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Review Article:
Nonsteroidal anti-inflammatory drugs in viral infections disease, specially COVID-19
Narges Chamkouri, Forouzan Absalan, Zahra Koolivand, Mahsa Yousefi
Adv Biomed Res
2023, 12:20 (30 January 2023)
DOI
:10.4103/abr.abr_148_21
During the current SARS-CoV-2 (COVID-19) pandemic, some reports were presented based on those nonsteroidal anti-inflammatory drugs (NSAIDs) and corticosteroids may exacerbate symptoms in COVID-19 patients. According to this, we aimed to collate information available in published articles to identify any evidence behind these statements with the aim of helping clinicians on how best to treat patients. We could not find published conclusive evidence for or against the use of NSAIDs in COVID-19 patients. Meanwhile, there appeared to be some evidence that corticosteroids may be beneficial if utilized in the early acute phase of infection, however, conflicting WHO (World Health Organization) evidence surrounding corticosteroid use in certain viral infections means this evidence is not conclusive. Given the current availability of literature, caution should be exercised until further evidence emerges surrounding the use of NSAIDs and corticosteroids in COVID-19 patients. However, the availability of reliable information for clinicians and patients is paramount.
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Review Article:
Cutaneous leishmaniasis based on climate regions in Iran (1998-2021): A systematic review and meta-analysis
Mehri Rejali, Nadia Mohammadi Dashtaki, Afshin Ebrahimi, Asieh Heidari, Mohammad Reza Maracy
Adv Biomed Res
2022, 11:120 (26 December 2022)
DOI
:10.4103/abr.abr_90_21
Background:
Climate change can facilitate the expansion of leishmaniasis and create the suitable habitat for vector and reservoir species. The objective of this study was to estimate the prevalence of cutaneous leishmaniasis (CL) at the climatic regions of Iran.
Materials
and
Methods:
The literature search was conducted to identify all published studies reporting the prevalence or incidence of CL in humans in Iran. A total of 350 articles that reported leishmaniasis in Iran were retrieved, due to eligibility criteria, only 42 studies were selected to the final systematic review and meta-analysis procedure. Random effects meta-analysis was done with the estimate of heterogeneity being taken from an inverse-variance model. Subgroup analysis was conducted and it stratified the studies according to climatic regions. Between-study heterogeneity was assessed by using
I
2
and Cochran's Q method
I
2
value of heterogeneity. Meta regression was used to investigate factors potentially contributed the between-study heterogeneity.
Results:
Individual studies showed that prevalence per 100,000 population estimated the range from 1.5 to 318.7 with the overall random pooled prevalence of 83.3 (95% confidence interval 74.5–92.1). Subgroup analysis by climatic regions showed that many studies were conducted in the desert areas and also, it has more prevalent than the other climatic regions.
Conclusions:
Leishmaniasis was more prevalent in regions with dry and desert climates than the other climatic regions. One of the advantages of this work is that the majority of selected studies have been conducted on population-base. However, some of the studies have been designed poorly or have had a lack of internal validity.
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Review Article:
A review of studies on
Candida
species in Peninsular Malaysia
Humaira Farooq, Tahmina Monowar, Swe Swe Latt, Suresh V Chinni, Noor Hasliza Zainol, Gokul Shankar Sabesan
Adv Biomed Res
2022, 11:98 (28 November 2022)
DOI
:10.4103/abr.abr_3_22
Data on the epidemiology and the antifungal susceptibility of
Candida
species infections in Malaysia is still limited. The study aimed to review and compare studies reporting the prevalence of
Candida
species and antifungal susceptibility of
Candida
infections in Peninsular Malaysia. Data from 22 studies published between 2009 and 2018. Data was collected using National Center for Biotechnology Information and Google Scholar using the keywords “
Candida
and Malaysia.” Around 19
Candida
species were identified in a total of 35,608
Candida
isolates analyzed in these studies. In most studies examined,
C. albicans
(66.3%) was the predominant species, followed by
C. glabrata
(11.7%),
C. parapsilosis
(10.7%),
C. tropicalis
(9.5%), and
C. krusei
(1.19%). Vaginal swabs yielded the most isolates, followed by the respiratory system, urine, blood, oral, pus, and other locations. The demographic, racial, and gender data were recorded only in two studies. Totally, eight studies examined 396 isolates for antifungal susceptibility to common antifungal medications. The average antifungal susceptibility of isolates and efficacy of drugs in these studies ranged between 45 and 99% for most common antifungal drugs. Caspofungin had the highest susceptibility at 99%, whereas itraconazole had the lowest at only 45%. Overall, this review provided a comprehensive summary of all the current research on predominant
Candida
species in Peninsular Malaysia.
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Review Article:
The pros and cons of using elderberry (
Sambucus nigra
) for prevention and treatment of COVID-19
Sedigheh Asgary, Alireza Pouramini
Adv Biomed Res
2022, 11:96 (31 October 2022)
DOI
:10.4103/abr.abr_146_21
Background:
The novel severe acute respiratory syndrome coronavirus 2 emerged in 2019. Health-care systems around the world are looking for alternative prevention and treatment remedies. Herbal supplements are popular among consumers as a complementary method to prevent and treat illnesses. One of them is
Sambucus nigra
.
Methods:
We searched for related articles in Scopus, Web of Science, PubMed, Google Scholar, and the Directory of Open Access Journals using the following keywords: elderberry,
S. nigra
, and COVID-19.
Results:
Elderberry has antiviral properties due to its ability to modulate inflammatory cytokines. The current evidence suggests elderberry is appropriate for the prevention and initial treatment of viral disease. Concerns have been raised that elderberry may overstimulate the immune system, increasing the risk of a cytokine storm. There is not yet enough evidence to support this claim.
Conclusions:
For COVID-19 patients, further research is required since elderberry may provoke a cytokine storm if administered therapeutically.
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Review Article:
Bone health after bariatric surgery: Consequences, prevention, and treatment
Masood Sayadi Shahraki, Mohsen Mahmoudieh, Behrouz Kalidari, Hamid Melali, Maryam Mousavi, Mohammad Raisi Ghourban Abadi, Seyed Hossein Mirhosseini, Seyed Ali Mirhosseini Dehabadi
Adv Biomed Res
2022, 11:92 (31 October 2022)
DOI
:10.4103/abr.abr_182_21
One of the most critical complications of bariatric surgery (BS), which has been widely discussed recently, is its adverse effects on the health of the bones and skeletal system. Studies show that bone mineral density (BMD) decreases significantly in the early years after BS Nutritional deficiencies are a common complication of BS that can last for months to years after surgery. For example, calcium absorption will significantly reduce after BS The role of gut hormones, endocrine factors, and adipokines in altering bone metabolism should never be overlooked. The available information and guidelines emphasize the periodic evaluation of BMD in patients undergoing BS The method of measuring BMD after BS is essential. DXA and quantitative computed tomography (QCT) are two convenient methods for measuring BMD. Many studies indicate a more detailed study of microarchitecture and cortical and trabecular bone mass with the help of QCT. The overall risk of fractures increases years after BS There are some recommendations for overcoming the adverse effects of BS on bone health. Endurance and resistance exercise after BS can help to mitigate BMD reduction and bone changes. In this review, we will explain each of these points in detail.
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Review Article:
The prominent role of miR-942 in carcinogenesis of tumors
Negar Yadegar, Zahra Dadashi, Kimiya Shams, Mahdis Mohammadi, Mahya Abyar, Milad Rafat
Adv Biomed Res
2022, 11:63 (29 July 2022)
DOI
:10.4103/abr.abr_226_21
As a family of short noncoding RNAs, MicroRNAs have been identified as possible biomarkers for cancer discovery and assist in therapy control due to their epigenetic involvement in gene expression and other cellular biological processes. In the present review, the evidence for reaching the clinical effect and the molecular mechanism of miR-942 in various kinds of cancer is amassed. Dysregulation of miR-942 amounts in different kinds of malignancies, as bladder cancer, esophageal squamous cell carcinoma, breast cancer, cervical cancer, gastric cancer, colorectal cancer, Kaposi's sarcoma, melanoma, Hepatocellular carcinoma, nonsmall-cell lung cancer, oral squamous cell carcinoma, osteosarcoma, ovarian cancer, pancreatic ductal adenocarcinoma, renal cell carcinoma, and prostate cancer has stated a considerable increase or decrease in its level indicating its function as oncogene or tumor suppressor. MiR-942 is included in cell proliferation, migration, and invasion through cell cycle pathways, including pathways of transforming growth factor-beta signaling pathways, Wnt pathway, JAK/STAT pathway, PI3K/AKT pathway, apoptosis pathway, hippo signaling pathway, lectin pathway, interferon-gamma signaling, signaling by G-protein coupled receptor, developmental genes, nuclear factor-kappa B pathway, Mesodermal commitment pathway, and T-cell receptor signaling in cancer. An important biomarker, MiR-942 is a potential candidate for prediction in several cancers. The present investigation introduced miR-942 as a prognostic marker for early discovery of tumor progression, metastasis, and development.
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Review Article:
Can coronavirus disease 2019 effect on human reproduction?
Ali Abdolrazaghnejad, Sepideh Miraj
Adv Biomed Res
2022, 11:55 (29 June 2022)
DOI
:10.4103/abr.abr_236_21
Since the main role in the pathogenesis of the coronavirus is attributed to the angiotensin-converting enzyme (ACE) receptor, it could possibly be a hypothesis in the differential sex-based pathogenesis of the coronavirus. The virus inserts its genetic material into the cell through its ACE2 receptors and replicates it by intracellular proteins. ACE2 receptors are highly expressed in cell membranes of various tissues in the body, including cardiovascular, gastrointestinal, renal, macrophage cells, and especially on the surface of type 2 pneumocytes in the lungs, ovaries, uterus, vagina, placenta, and testes. Therefore, cells having a higher expression of the ACE2 may be a specific target for coronavirus binding and infectivity. Due to the increase of infections in males, concerns have been appeared about the potential impact of coronavirus disease 2019 (COVID-19) on their fertility and reproductive organs. Thus, it is necessary to investigate if COVID-19 disturbs female and male fertility, so this review aimed to study the comprehensive evidences on the association of COVID-19 with human reproduction.
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Review Article:
The therapeutic effects of magnesium in insulin secretion and insulin resistance
Azadehalsadat Hosseini Dastgerdi, Mahtab Ghanbari Rad, Nepton Soltani
Adv Biomed Res
2022, 11:54 (29 June 2022)
DOI
:10.4103/abr.abr_366_21
Insulin resistance (IR) is a chronic pathological condition that is related to reduce the rates of glucose uptake, especially in the liver, muscle, and adipose tissue as target tissues. Metabolic syndrome and type 2 diabetes mellitus can occur following progression of the disease. The majority of prior research has applied that some cations such as magnesium (Mg
2+
) have important physiological role in insulin metabolism. Mg
2+
is the fourth most abundant mineral in the human body that gets involved as a cofactor of various enzymes in several metabolic events, such as carbohydrate oxidation, and it has a fundamental role in glucose transporting mechanism of the cell membrane. This cation has numerous duties in the human body such as regulation of insulin secretion in pancreatic beta-cells and phosphorylation of the insulin receptors in target cells and also gets involved in other downstream signal kinases as intracellular cation. On this basis, intracellular Mg
2+
balancing is vital for adequate carbohydrate metabolism. This paper summarizes the present knowledge about the therapeutic effects of Mg
2+
in reducing IR in liver, muscle, and pancreases with different mechanisms. For this, the search was performed in Google Scholar, PubMed, Scopus, and Web of Science by insulin resistance, skeletal muscle, liver, pancreases, magnesium, Mg
2+
, and inflammation keywords.
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Review Article:
Conceptual framework for SARS-CoV-2–related lymphopenia
Ilnaz Rahimmanesh, Shirin Kouhpayeh, Yadollah Azizi, Hossein Khanahmad
Adv Biomed Res
2022, 11:16 (28 February 2022)
DOI
:10.4103/abr.abr_303_20
The emerging of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) outbreak is associated with high morbidity and mortality rates globally. One of the most prominent characteristics of coronavirus disease-19 (COVID-19) is lymphopenia, which is in contrast to other viral infections. This controversy might be explained by the evaluation of impaired innate and adaptive immune responses, during the SARS-CoV-2 infection. During the innate immune response, poly-ADP-ribose polymerase hyperactivated due to virus entry and extensive DNA damage sequentially, leading to nicotinamide adenine dinucleotide (NAD)+ depletion, adenosine triphosphate depletion, and finally cell death. In contrast to the immune response against viral infections, cytotoxic T lymphocytes decline sharply in SARS-CoV-2 infection which might be due to infiltration and trapping in the lower respiratory tract. In addition, there are more factors proposed to involve in lymphopenia in COVID-19 infection such as the role of CD38, which functions as NADase and intensifies NAD depletion, which in turn affects NAD+–dependent Sirtuin proteins, as the regulators of cell death and viability. Lung tissue sequestration following cytokine storm supposed to be another reason for lymphopenia in COVID-19 patients. Protein 7a, as one of the virus-encoded proteins, induces apoptosis in various organ-derived cell lines. These mechanisms proposed to induce lymphopenia, although there are still more studies needed to clarify the underlying mechanisms for lymphopenia in COVID-19 patients.
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Review Article:
The study of relationship between nutritional behaviors and metabolic indices: A systematic review
Sarah Nouriyengejeh, Bahare Seyedhoseini, Parastou Kordestani-Moghadam, Ata Pourabbasi
Adv Biomed Res
2020, 9:66 (30 October 2020)
DOI
:10.4103/abr.abr_12_20
Metabolic indices are the wide range of characteristic factors, which can be changed during several medical conditions such as metabolic syndrome. Nutrition and related behaviors are one of the main aspects of human lifestyle which recent investigations have recognized their roles in the development of metabolic disorders. According to the spread of risky nutritional habits/behaviors due to the changes in lifestyle, and its importance in the prevalence of metabolic disorders, the authors attempted to summarize these evidences in a systematic review. The present study is a systematic review that encompasses those studies investigating the association between metabolic indices and nutritional/dietary behaviors published in two international databases in recent 11 years. Twenty-nine related articles were considered and their data were extracted. The relation between food choices and metabolic indices is more frequent in studies. While, inhibition and abstinent and eating together were two behavioral sets with the smallest share of research. Anthropometric indices have the highest rate in the evaluations. Finding the links between nutritional behavior and metabolic indices will be the key point in selecting the different types of interventions. These results will guide therapists to the accurate recognition of metabolic effects in targeting behavior for their intervention.
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Review Article:
Histone Deacetylases and Histone Deacetylase Inhibitors: Molecular Mechanisms of Action in Various Cancers
Masumeh Sanaei, Fraidoon Kavoosi
Adv Biomed Res
2019, 8:63 (31 October 2019)
DOI
:10.4103/abr.abr_142_19
PMID
:31737580
Epigenetic modifications such as histone modification play an important role in tumorigenesis. There are several evidence that histone deacetylases (HDACs) play a key role in cancer induction and progression by histone deacetylation. Besides, histone acetylation is being accessed as a therapeutic target because of its role in regulating gene expression. HDAC inhibitors (HDACIs) are a family of synthetic and natural compounds that differ in their target specificities and activities. They affect markedly cancer cells, inducing cell differentiation, cell cycle arrest and cell death, reduction of angiogenesis, and modulation of the immune system. Here, we summarize the mechanisms of HDACs and the HDACIs in several cancers. An online search of different sources such as PubMed, ISI, and Scopus was performed to find available data on mechanisms and pathways of HDACs and HDACIs in different cancers. The result indicated that HDACs induce cancer through multiple mechanisms in various tissues. This effect can be inhibited by HDACIs which affect cancer cell by different pathways such as cell differentiation, cell cycle arrest, and cell death. In conclusion, these findings indicate that the HDACs play a major role in carcinogenesis through various pathways, and HDACIs can inhibit HDAC activity by multiple mechanisms resulting in cell cycle arrest, cell growth inhibition, and apoptosis induction.
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Review Article:
An Overview of the CRISPR-Based Genomic- and Epigenome-Editing System: Function, Applications, and Challenges
Saeed Bozorg Qomi, Amir Asghari, Majid Mojarrad
Adv Biomed Res
2019, 8:49 (21 August 2019)
DOI
:10.4103/abr.abr_41_19
PMID
:31516887
Developing a new strategy for an efficient targeted genome editing has always been a great perspective in biology. Although different approaches have been suggested in the last three decades, each one is confronting with limitations. CRISPR-Cas complex is a bacterial-derived system which made a breakthrough in the area of genome editing. This paper presents a brief history of CRISPR genome editing and discusses thoroughly how it works in bacteria and mammalians. At the end, some applications and challenges of this growing research area are also reviewed. In addition to moving the boundaries of genetics, CRISPR-Cas can also provide the ground for fundamental advances in other fields of biological sciences.
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Review Article:
Reteplase: Structure, Function, and Production
Elmira Mohammadi, Hooria Seyedhosseini-Ghaheh, Karim Mahnam, Ali Jahanian-Najafabadi, Hamid Mir Mohammad Sadeghi
Adv Biomed Res
2019, 8:19 (20 March 2019)
DOI
:10.4103/2277-9175.254622
PMID
:31016177
Thrombolytic drugs activate plasminogen which creates a cleaved form called plasmin, a proteolytic enzyme that breaks the crosslinks between fibrin molecules. The crosslinks create blood clots, so reteplase dissolves blood clots. Tissue plasminogen activator (tPA) is a well-known thrombolytic drug and is fibrin specific. Reteplase is a modified nonglycosylated recombinant form of tPA used to dissolve intracoronary emboli, lysis of acute pulmonary emboli, and handling of myocardial infarction. This protein contains kringle-2 and serine protease domains. The lack of glycosylation means that a prokaryotic system can be used to express reteplase. Therefore, the production of reteplase is more affordable than that of tPA. Different methods have been proposed to improve the production of reteplase. This article reviews the structure and function of reteplase as well as the methods used to produce it.
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Review Article:
The Interaction of
Helicobacter pylori
Infection and Type 2 Diabetes Mellitus
Seyed Abolfazl Hosseininasab Nodoushan, Amin Nabavi
Adv Biomed Res
2019, 8:15 (27 February 2019)
DOI
:10.4103/2277-9175.253116
PMID
:30993085
Helicobacter pylori
is one of the most common human pathogens that can cause gastrointestinal (GI) disorders, including simple gastritis, gastric ulcer, and malignant gastritis. In some cases, such as immunodeficiency and underlying diseases, it can be problematic as opportunistic infections. Diabetes mellitus (type 2) (T2DM) is one of the
H. pylori
underlying diseases. Since GI problems are observed in diabetic patients, it is necessary to treat
H. pylori
infection. In this review, we aimed to evaluate the possible relationship between
H. pylori
and T2DM according to epidemiological surveys of 70 studies retrieved from databases, including Scopus, PubMed, and Google Scholar about the relationship between
H. pylori
and T2DM, and discuss the reported background mechanisms of this correlation. According to the results of our study, the different studies have shown that
H. pylori
is more prevalent in Type 2 diabetic patients than healthy individuals or nondiabetic patients. The reason is development of
H. pylori
infection-induced inflammation and production of inflammatory cytokines as well as different hormonal imbalance by this bacterium, which are associated with diabetes mellitus. On the other hand, by tracing anti-
H. pylori
antibodies in patients with diabetes mellitus and occurrence of symptoms such as digestive problems in >75% of these patients, it can be concluded that there is a relationship between this bacterium and T2DM. Considering the evidence, it is crucially important that the probability of infection with
H. pylori
is evaluated in patients with T2DM so that medical process of the patient is followed with higher cautious.
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Review Article:
Psychosocial Factors Associated with Suicidal Behavior among Iranian Women: A Meta-analysis
Gholamreza Ghassemi Todeshkchuei, Mitra Molaeinezhad, Sare Ghasemi Todeshkchuei
Adv Biomed Res
2018, 7:86 (29 May 2018)
DOI
:10.4103/abr.abr_47_17
PMID
:29930926
Suicide is one of the public health problems worldwide, but it lacks regular relevant reporting system. This issue is more important among women who play an influential role in the family and society. Therefore, the assessment of recent relevant studies is important to detect suicide-related factors and to help make the decisions about public health. The aim of the current study was to determine socioeconomic and psychological factors of suicide attempts in Iranian women using a descriptive meta-analysis method. All domestic scientific databases were searched using “suicide” keyword. A search was also done using keywords of corresponding to Medical Subject Headings including “Iran,” “suicide,” “psychosocial determinants,” “behavior,” “suicide commitment,” “suicide thoughts,” and “women.” Overall, 3061 articles were retrieved through the initial search. Finally, 69 studies from nine provinces were included for the analysis. All statistical analyses were performed using R software version 3.2.6 with Metafor package version 1.9-9. Using nine selected studies, frequency of urban family (prevalence = 85%, 95% confidence interval [CI] = 0.68–1.00), nonacademic education (prevalence = 53%, 95% CI = 0.45–0.61), and family problems (prevalence = 34%, 95% CI = 0.19–0.49) was identified as the most important related factor of suicide compared to any other related factors. According to the results, family problems and lower education are associated with suicide attempts. Thus, providing training programs and family consultant services are recommended to reduce the incidence of suicide attempts.
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Review Article:
Role of Curcumin in Disease Prevention and Treatment
Arshad Husain Rahmani, Mohammed A Alsahli, Salah M Aly, Masood A Khan, Yousef H Aldebasi
Adv Biomed Res
2018, 7:38 (28 February 2018)
DOI
:10.4103/abr.abr_147_16
PMID
:29629341
Treatment based on traditional medicine is very popular in developing world due to inexpensive properties. Nowadays, several types of preparations based on medicinal plants at different dose have been extensively recognized in the diseases prevention and treatment. In this vista, latest findings support the effect of
Curcuma longa
and its chief constituents curcumin in a broad range of diseases cure via modulation of physiological and biochemical process. In addition, various studies based on animal mode and clinical trials showed that curcumin does not cause any adverse complications on liver and kidney function and it is safe at high dose. This review article aims at gathering information predominantly on pharmacological activities such as anti-diabetic, anti-microbial, hepato-protective activity, anti-inflammatory, and neurodegenerative diseases.
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Review Article:
Emotional Intelligence: An Old Issue and a New Look in Clinical Teaching
Athar Omid, Fariba Haghani, Peyman Adibi
Adv Biomed Res
2018, 7:32 (21 February 2018)
DOI
:10.4103/2277-9175.225926
PMID
:29531930
In this paper, a novel model of clinical teachers with social and emotional competency which is emphasized on the importance of clinical teacher's social and emotional competence is presented. In this model, we supposed that a teacher with social and emotional competence can manage her/his emotions and has the ability to personal development and well-being. Such teacher has the competency of empathy, communication with the patients, teamwork, and collaboration to provide successful patient-centered care and relationship-centered care. He/she will be success in clinical supervision, role modeling, and mentoring by providing appropriate relationship with students. This teacher can influence and build bonds that will be effective for clinical management and leadership. In addition, it will affect the hidden and informal curriculum with the awareness of the context. These factors establish an appropriate learning environment to achieve students' academic, professional, social, and emotional outcomes and create an appropriate health care environment that influences the successful care of patient and patient's satisfaction. We reviewed a broad body of research to support our proposed model and finally proposed agendas for future research.
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Review Article:
Clinical Aspects of Microsatellite Instability Testing in Colorectal Cancer
Mehrdad Zeinalian, Morteza Hashemzadeh-Chaleshtori, Rasoul Salehi, Mohammad Hassan Emami
Adv Biomed Res
2018, 7:28 (16 February 2018)
DOI
:10.4103/abr.abr_185_16
PMID
:29531926
Microsatellite instability (MSI) is a molecular hallmark for some colorectal cancers (CRCs) in which short tandem repeats are prone to mutations along with DNA sequences. It is due to DNA-mismatch-repair system deficiency because of a germline/somatic mutation in mismatch-repair (MMR) genes. The germline mutations lead to Lynch syndrome (LS) while epigenetic gene silencing results in sporadic CRC tumors. We discuss in our paper the most important clinical aspects of MSI testing in CRCs. We reviewed the most reliable relevant studies and clinical trials according to their high-quality methods, particularly within two recent decades. MSI testing is used to classify CRC tumors as MSI-high (MSI-H), MSI-low, and microsatellite stable tumors. MSI-H or MMR deficient tumors have shown the best prognosis among all CRCs, so MSI testing is considered as a good prognostic marker. Moreover, it is used to identify LS among familial CRC patients. There is a diagnostic mutation in
BRAF
gene (V600E) by which sporadic CRCs could be distinguished from LS associated CRCs, due to its concordance with sporadic CRCs not LS. Although, some previous studies had demonstrated a predictive role for MSI testing in chemotherapy process, emerging some controversial findings in recent studies has not convinced many authors to recommend it as a routine examination to evaluate therapeutic response. Though emerging new molecular findings have opened novel windows to develop clinical management of CRC, MSI testing has remained as an excellent prognostic and diagnostic tool for CRC tumors.
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Review Article:
A Review of Salivary Biomarker: A Tool for Early Oral Cancer Diagnosis
Shikha Saxena, Bharat Sankhla, Krishna Sireesha Sundaragiri, Akshay Bhargava
Adv Biomed Res
2017, 6:90 (28 July 2017)
DOI
:10.4103/2277-9175.211801
PMID
:28828341
The oral squamous cell carcinoma (OSCC) is one of the most common epithelial malignancies with significant morbidity and mortality. Recent observations indicate that the clinical and histological appearance of oral mucosa may not truly depict the damage occurring at the genetic level. This phenotypic and genotypic disparity may account in part for the failure to establish effective screening and surveillance protocols, based on the traditional clinical and microscopic examination. The tumor markers are playing an increasingly important role in cancer detection and management. These laboratory-based tests are potentially useful in screening for early malignancy, aiding in cancer diagnosis, determining prognosis, surveillance following curative surgery for cancer, up-front predicting drug response or resistance, and monitoring therapy in advanced disease. A systematic review of the literature was performed based on the English titles listed in the PubMed, EBSCO, Cochrane, Science Direct, ISI web Science, and SciELO databases using the keywords. Abstracts and full-text articles were assessed. This article may help to identify the potential biomarkers for screening and the molecular pathology analysis in the high-risk patients with the OSCC.
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Review Article:
Contribution Of Brain Tissue Oxidative Damage In Hypothyroidism-associated Learning and Memory Impairments
Yousef Baghcheghi, Hossein Salmani, Farimah Beheshti, Mahmoud Hosseini
Adv Biomed Res
2017, 6:59 (22 May 2017)
DOI
:10.4103/2277-9175.206699
PMID
:28584813
The brain is a critical target organ for thyroid hormones, and modifications in memory and cognition happen with thyroid dysfunction. The exact mechanisms underlying learning and memory impairments due to hypothyroidism have not been understood yet. Therefore, this review was aimed to compress the results of previous studies which have examined the contribution of brain tissues oxidative damage in hypothyroidism-associated learning and memory impairments.
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Review Article:
Acute Subdural Hematoma and Subarachnoid Hemorrhage Caused by Ruptured Cortical Artery Aneurysm: Case Report and Review of Literature
Ahmad Shekarchizadeh, Saburi Masih, Pourkhalili Reza, Bahram Seif
Adv Biomed Res
2017, 6:46 (17 April 2017)
DOI
:10.4103/2277-9175.204589
PMID
:28503501
The present report describes an acute subdural hematoma (ASDH) associated with subarachnoid hemorrhage (SAH), due to ruptured cortical aneurysm. To our knowledge, extremely rare cases of this sort have been reported so far. A 23-year-old male patient without previous trauma presented with severe headache and rapidly decreasing level of consciousness to decerebrate status. Computed tomography (CT) scan has demonstrated an ASDH together with SAH. Hematoma has immediately been evacuated without any evaluation by angiography. After evacuation of the thick subdural clot, a 10-mm aneurysm was revealed on a precentral artery of frontal cortex, which was ligated. However, after 35 days the patient discharged with left side hemiparesis and dysphasia, and just after several months of admission he got symptom free. Ruptured cortical aneurysm should be considered as one of the causes of spontaneous ASDH. Vascular anomaly investigations are suggested for these cases, thus CT angiography or digital subtraction angiography has to be considered if clinical condition allows.
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Review Article:
Probiotics: A New Era of Biotherapy
Abhijeet Alok, Indra Deo Singh, Shivani Singh, Mallika Kishore, Prakash Chandra Jha, Md. Asad Iqubal
Adv Biomed Res
2017, 6:31 (7 March 2017)
DOI
:10.4103/2277-9175.192625
PMID
:28401078
Probiotics or health-beneficial bacteria have only recently been introduced in dentistry after years of successful use in mainly gastrointestinal disorders. The concept of bacteriotherapy was first introduced in the beginning of 20
th
century. They are administered in different quantities that allow for colon colonization. These products help in stimulating health promoting flora and also suppressing the pathologic colonization and disease spread. The use of probiotic plays an important aspect in dentistry too, ever since the oral infections occupied the prime spot among the other infections affecting the humans. Probiotics strengthen the immune system to combat allergies, stress, exposure to toxic substances, and other diseases. This review is an attempt to discuss briefly the role of probiotics in oral health.
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Review Article:
From conventional therapy toward microRNA-based therapy in acute promyelocytic leukemia
Naeim Ehtesham, Mohammadreza Sharifi
Adv Biomed Res
2016, 5:187 (28 November 2016)
DOI
:10.4103/2277-9175.190996
PMID
:28028527
Acute promyelocytic leukemia (APL) is a hematopoietic malignancy that is known with its special cytogenetic feature. Several studies have surveyed expression signature of microRNAs (miRNAs) in APL patients, especially patients who are treated with conventional therapy of this disease. Using miRNAs as diagnostic or prognostic biomarkers in various cancers has been widely studied. Currently, most studies are focusing on exploiting miRNAs as therapeutic tools, and promising progress has been achieved in this field. Recently, studies in the field of miRNA-based therapy in APL have been started.
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Review Article:
The effect of extremely low-frequency magnetic field (50–60 Hz) exposure on spontaneous apoptosis: The results of a meta-analysis
Mahsa Mansourian, Hamid Reza Marateb, Golnaz Vaseghi
Adv Biomed Res
2016, 5:141 (30 August 2016)
DOI
:10.4103/2277-9175.187375
PMID
:27656610
Background:
This paper is a meta-analysis of the published data from
in vitro
studies to evaluate whether spontaneous apoptosis might be influenced by extremely low frequency (ELF) magnetic fields (MFs).
Materials and Methods:
A comprehensive scientific literature search in electronic databases was conducted and studies covering the period 2000–2010 were selected. Then, published studies involving the desired topic were retrieved. The inclusion criteria were percentage of apoptosis in the cells exposed to 50–60 Hz ELF-MFs. The statistical analysis was performed by comprehensive meta-analysis version 2.
Results:
The summary measure of association (95% confidence interval) for all 18 effect estimated from 8 studies was 1.18 (1.15, 1.20). Heterogeneity among studies was found. There was no evidence of publication bias for the association between exposure to MF and apoptosis risk.
Conclusion:
Our meta-analysis provided conclusive data that ELF-MFs can increase apoptosis in cancer and normal cells. Furthermore, there is a possibly individual intensity and time range with maximum created effect according to window effect.
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Review Article:
The effects of conjugated linoleic acids on breast cancer: A systematic review
Arman Arab, Shahab Aldin Akbarian, Reza Ghiyasvand, Maryam Miraghajani
Adv Biomed Res
2016, 5:115 (6 July 2016)
DOI
:10.4103/2277-9175.185573
PMID
:27512684
Recently prevention strategies for breast cancer are focused on lifestyle modification such as diet. Some dietary factors such as Conjugated linoleic acid (CLA) can lower the risk of breast cancer, metastasis and some factors concerning this malignancy. Many studies have been established in this field, but their results are inconsistent. Therefore, we evaluated this association based on systematic review among published scientific literature. We performed an electronic search using PubMed, Cochrane, Scopus, Google Scholar and Persian database (Iran Medex, magiran) to identify relevant studies. We summarized the findings of 8 papers in this review. Although, three cohort studies were not overall identified a protective effect of CLA dietary intake or CLA content in breast tissue on breast cancer incidence, metastasis and death, one of them showed an inverse association after adjusting for age. Also, among case-control studies a weak inverse association between breast cancer risk and CLA dietary intake and serum levels among post-menopausal women was reported. Besides, a clinical trial showed that some indicator of breast tumor decreased after CLA administration among women with breast adenocarcinoma. Lacking published evidence suggested inconsistent results. So, further well-designed studies are required, particularly in considering the main breast cancer risk factors.
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Review Article:
Dietary fat intake and functional dyspepsia
Mahdieh Khodarahm, Leila Azadbakht
Adv Biomed Res
2016, 5:76 (21 April 2016)
DOI
:10.4103/2277-9175.180988
PMID
:27195249
A few studies have assessed the effects of fat intake in the induction of dyspeptic symptoms. So, the aim of this study was to review the articles regarding the dietary fat intake and FD. We used electronic database of PubMed to search. These key words were chosen: FD, dietary fat, dyspeptic symptom, energy intake and nutrients. First, articles that their title and abstract were related to the mentioned subject were gathered. Then, full texts of related articles were selected for reading. Finally, by excluding four articles that was irrelevant to subject, 19 relevant English papers by designing clinical trial, cross-sectional, case–control, prospective cohort, and review that published from 1992 to 2012 were investigated. Anecdotally, specific food items or food groups, particularly fatty foods have been related to dyspepsia. Laboratory studies have shown that the addition of fat to a meal resulted in more symptoms of fullness, bloating, and nausea in dyspeptic patients. Studies have reported that hypersensitivity of the stomach to postprandial distension is an essential factor in the generation of dyspeptic symptoms. Small intestinal infusions of nutrients, particularly fat, exacerbate this hypersensitivity. Moreover, evidence showed that perception of gastric distension increased by lipids but not by glucose. Long chain triglycerides appear to be more potent than medium chain triglycerides in inducing symptoms of fullness, nausea, and suppression of hunger. Thus, Fatty foods may exacerbate dyspeptic symptoms. Therefore, it seems that a reduction in intake of fatty foods may useful, although this requires more evaluations.
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Review Article:
Proteomics: A new perspective for cancer
Basavaradhya Sahukar Shruthi, Palani Vinodhkumar, Selvamani
Adv Biomed Res
2016, 5:67 (19 April 2016)
DOI
:10.4103/2277-9175.180636
PMID
:27169098
In the past decades, several ground breaking discoveries in life science were made. The completion of sequencing the human genome certainly belongs to the key tasks successfully completed, representing a true milestone in the biomedicine. The accomplishment of the complete genome also brings along a new, even more challenging task for scientists: The characterization of the human proteome. Proteomics, the main tool for proteome research, is a relatively new and extremely dynamically evolving branch of science, focused on the evaluation of gene expression at proteome level. Due to the specific properties of proteins, current proteomics deals with different issues, such as protein identification, quantification, characterization of post-translational modification, structure and function elucidation, and description of possible interactions. This field incorporates technologies that can be applied to serum and tissue in order to extract important biological information in the form of biomarkers to aid clinicians and scientists in understanding the dynamic biology of their system of interest, such as a patient with cancer. The present review article provides a detail description of proteomics and its role in cancer research.
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Review Article:
The role of stem cell therapy in multiple sclerosis: An overview of the current status of the clinical studies
Rokhsareh Meamar, Shahrzad Nematollahi, Leila Dehghani, Omid Mirmosayyeb, Vahid Shayegannejad, Keivan Basiri, Amir Pouya Tanhaei
Adv Biomed Res
2016, 5:46 (16 March 2016)
DOI
:10.4103/2277-9175.178791
PMID
:27110543
The complexity of multiple sclerosis (MS) and the incompetence of a large number of promised treatments for MS urge us to plan new and more effective therapeutic approaches that aim to suppress ongoing autoimmune responses and induction of local endogenous regeneration. Emerging data propose that hematopoietic, mesenchymal, and neural stem cells have the potential to restore self-tolerance, provide
in situ
immunomodulation and neuroprotection, as well as promote regeneration. Thus, in this article, we will first provide an overview of the cell sources for proposed mechanisms that contribute to the beneficial effects of stem cell transplantation, the ideal route and/or timing of stem cell-based therapies for each main stem cell group, and finally, an overview of the current status of stem cell research in clinical trial stages in MS by comparable and healthy therapeutic effects of different stem cell therapies for MS patients.
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Review Article:
Iranian-Islamic traditional medicine: An ancient comprehensive personalized medicine
Mehrdad Zeinalian, Mehdi Eshaghi, Homayoun Naji, Sayyed Mohammad Masoud Marandi, Mohammad Reza Sharbafchi, Sedigheh Asgary
Adv Biomed Res
2015, 4:191 (28 September 2015)
DOI
:10.4103/2277-9175.166151
PMID
:26605230
Personalized medicine (PM) is a novel term used for a medical model in which all diagnostic, prognostic, and therapeutic aspects of a disease are individualized for a patient using specific molecular testing. In Iranian-Islamic traditional medicine (IITM) an ancient paradigm for PM has been described which has been introduced in this paper. We reviewed the ancient resources of IITM and many valid recent studies on personalized medicine and described an ancient feature of personalized medicine in comparison with new ones. According to IITM scholars, every person has an individual temperament which is concluded of four basic humors combination. The individual temper is influenced by internal and external factors such as age, gender, ethnicity, season, and environment. This variability leads to different physical and mental behaviors toward a particular condition; so if we could identify the patient's temper, we would predict his/her health-related behaviors rather than predisposition and prognosis to different diseases, and select the best treatment. This holistic viewpoint of IITM to the human health and disease justifies the variable phenotypes among similar illnesses; the fact around which more advanced high-tech researches are being developed to explore all specific molecular pathways. IITM offers an ancient comprehensive PM (APM) which is more available and inexpensive compared to the modern PM (MPM). Moreover, APM focuses more on fitness than illness in comparison to MPM. It seems more attention to APM introduced by IITM could help us to promote health community. Design studies using high-tech MPM techniques would likely lead to clarification of most molecular aspects of APM.
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Review Article:
Pitfalls in molecular diagnosis of 21-hydroxylase deficiency in congenital adrenal hyperplasia
Mahsa Kolahdouz, Zahra Mohammadi, Parisa Kolahdouz, Masoud Tajamolian, Hossein Khanahmad
Adv Biomed Res
2015, 4:189 (31 August 2015)
DOI
:10.4103/2277-9175.164009
PMID
:26605228
Congenital adrenal hyperplasia (CAH) is a putative error of metabolism with autosomal recessive heredity pattern. The main manifestations of classic form of CAH are salt-wasting, dehydration and simple virilization in both sexes and ambiguous genitalia in female gender. 21-hyroxylase (
CYP21A2
) impairment with prevalence value of 1 in 10,000–15,000 live births is the most common etiology of CAH. Because of consanguineous marriages, the frequency of the CAH in Iran is very high. A wide range of mutations diversity exists in
CYP21A2
gene and a large number of these mutations derived from a highly homologous pseudogene,
CYP21A1P
, through gene conversion. In addition, new mutations such as small and large deletion and point mutations can also result in enzyme deficiency. Various methods for mutation detection were performed. The main obstacle in molecular diagnosis of CAH is amplification of pseudogene during polymerase chain reaction of
CYP21A2
. All attempts focus on discrimination of pseudogene from gene; that is why, there is the majority of mutations on pseudogene, and if we have contamination with the pseudogene, the result will be unreliable. Here, we discuss this methods and advantage and disadvantage of those.
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Review Article:
Small supernumerary marker chromosomes and their correlation with specific syndromes
Hamideh Jafari-Ghahfarokhi, Maryam Moradi-Chaleshtori, Thomas Liehr, Morteza Hashemzadeh-Chaleshtori, Hossein Teimori, Payam Ghasemi-Dehkordi
Adv Biomed Res
2015, 4:140 (27 July 2015)
DOI
:10.4103/2277-9175.161542
PMID
:26322288
A small supernumerary marker chromosome (sSMC) is a structurally abnormal chromosome. It is an additional chromosome smaller than one chromosome most often lacking a distinct banding pattern and is rarely identifiable by conventional banding cytogenetic analysis. The origin and composition of an sSMC is recognizable by molecular cytogenetic analysis. These sSMCs are seen in different shapes, including the ring, centric minute, and inverted duplication shapes. The effects of sSMCs on the phenotype depend on factors such as size, genetic content, and the level of the mosaicism. The presence of an sSMC causes partial tris- or tetrasomy, and 70% of the sSMC carriers are clinically normal, while 30% are abnormal in some way. In 70% of the cases the sSMC is
de novo
, in 20% it is inherited from the mother, and in 10% it is inherited from the father. An sSMC can be causative for specific syndromes such as Emanuel, Pallister-Killian, or cat eye syndromes. There may be more specific sSMC-related syndromes, which may be identified by further investigation. These 10 syndromes can be useful for genetic counseling after further study.
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Review Article:
Conventional, molecular methods and biomarkers molecules in detection of septicemia
Mohammad Reza Arabestani, Sahar Rastiany, Sima Kazemi, Seyed Masoud Mousavi
Adv Biomed Res
2015, 4:120 (4 June 2015)
DOI
:10.4103/2277-9175.158027
PMID
:26261822
Sepsis is a leading cause of morbidity and mortality in hospitalized patients worldwide and based on studies, 30-40% of all cases of severe sepsis and septic shock results from the blood stream infections (BSIs). Identifying of the disease, performing laboratory tests, and consequently treatment are factors that required for optimum management of BSIs. In addition, applying precise and immediate identification of the etiologic agent is a prerequisite for specific antibiotic therapy of pathogen and thereby decreasing mortality rates. The diagnosis of sepsis is difficult because clinical signs of sepsis often overlap with other noninfectious cases of systemic inflammation. BSIs are usually diagnosed by performing a series of techniques such as blood cultures, polymerase chain reaction-based methods, and biomarkers of sepsis. Extremely time-consuming even to take up to several days is a major limitation of conventional methods. In addition, yielding false-negative results due to fastidious and slow-growing microorganisms and also in case of antibiotic pretreated samples are other limitations. In comparison, molecular methods are capable of examining a blood sample obtained from suspicious patient with BSI and gave the all required information to prescribing antimicrobial therapy for detected bacterial or fungal infections immediately. Because of an emergency of sepsis, new methods are being developed. In this review, we discussed about the most important sepsis diagnostic methods and numbered the advantage and disadvantage of the methods in detail.
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Review Article:
Dietary intake of Zinc, serum levels of Zinc and risk of gastric cancer: A review of studies
Sayyed Saeid Khayyatzadeh, Zahra Maghsoudi, Mahdi Foroughi, Gholamreza Askari, Reza Ghiasvand
Adv Biomed Res
2015, 4:118 (29 May 2015)
DOI
:10.4103/2277-9175.157849
PMID
:26261820
Gastric cancer (GC) is considered as most fourth common cancer in the world. Findings from animal, experimental and epidemiologic studies indicate that diet plays an important role in the etiology of stomach cancer. Among dietary factors, Zinc status has received great attention in recent years. The purpose of the present study was to review the association of serum levels of Zinc, dietary intake of Zinc and GC risk. A complete search was performed about the association of Zinc status and risk of GC was in databases electronic through such as ISI web of science, PubMed, Scopus, IrMedx and SID. Our results of current review suggest that dietary intake of Zinc and serum levels of Zinc are lower in GC patient. In other word, high serum levels of Zinc may be protective in GC risk. However, it seems further studies in particular epidemiological studies with large scale setting are required to reach a definite conclusion.
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Review Article:
Current status and patent prospective of animal models in diabetic research
Radhey S Dhuria, Gurpreet Singh, Anudeep Kaur, Ramandeep Kaur, Tanurajvir Kaur
Adv Biomed Res
2015, 4:117 (29 May 2015)
DOI
:10.4103/2277-9175.157847
PMID
:26261819
Diabetes mellitus is a heterogeneous complex metabolic disorder with multiple etiology which characterized by chronic hyperglycemia resulting from defects in insulin secretion, insulin action or both. The widespread occurrence of diabetes throughout the world has increased dramatically over the past few years. For better understanding, appropriate animal models that closely mimic the changes in humans needed, as vital tool for understanding the etiology and pathogenesis of the disease at the cellular/molecular level and for preclinical testing of drugs. This review aims to describe the animal models of type-1 diabetes (T1Ds) and T2Ds to mimic the causes and progression of the disease in humans. And also we highlight patent applications published in the last few years related to animal models in diabetes as an important milestone for future therapies that are aim to treating diabetes with specific symptoms and complications.
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Review Article:
Do pregnant women have a higher risk for venous thromboembolism following air travel?
Morteza Izadi, Mohammad Javad Alemzadeh-Ansari, Davood Kazemisaleh, Maryam Moshkani-Farahani, Akbar Shafiee
Adv Biomed Res
2015, 4:60 (23 February 2015)
DOI
:10.4103/2277-9175.151879
PMID
:25802829
International travel has become increasingly common and accessible, and it is part of everyday life in pregnant women. Venous thromboembolism (VTE) is a serious public health disorder that occurs following long-haul travel, especially after air travel. The normal pregnancy is accompanied by a state of hypercoagulability and hypofibrinolysis. Thus, it seems that pregnant women are at a higher risk of VTE following air travel, and, if they have preexisting risk factors, this risk would increase. There is limited data about travel-related VTE in pregnant women; therefore, in the present study, we tried to evaluate the pathogenesis of thrombosis, association of thrombosis and air travel, risk factors and prevention of VTE in pregnant women based on available evidences. Pregnancy is associated with a five- to 10-fold increased risk of VTE compared with nonpregnant women; however, during the postpartum period, this risk would increase to 20-80-fold. Furthermore, the risk of thrombosis is higher in individuals with preexisting risk factors, and the most common risk factor for VTE during pregnancy is a previous history of VTE. Pregnant women are at a higher risk for thrombosis compared with other women. Thus, the prevention of VTE and additional risk factors should be considered for all pregnant women who travel by plane.
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Review Article:
Neurotrophic factors and their effects in the treatment of multiple sclerosis
Shahnaz Razavi, Ghasemi Nazem, Mohammad Mardani, Ebrahim Esfandiari, Hossein Salehi, Sayyed Hamid Zarkesh Esfahani
Adv Biomed Res
2015, 4:53 (17 February 2015)
DOI
:10.4103/2277-9175.151570
PMID
:25802822
Neurotrophins are small molecules of polypeptides, which include nerve growth factor (NGF) family, glial cell line-derived neurotrophic factor (GDNF) family ligands, and neuropoietic cytokines. These factors have an important role in neural regeneration, remyelination, and regulating the development of the peripheral and central nervous systems (PNS and CNS, respectively) by intracellular signaling through specific receptors. It has been suggested that the pathogenesis of human neurodegenerative disorders may be due to an alteration in the neurotrophic factors and their receptors. The use of neurotrophic factors as therapeutic agents is a novel strategy for restoring and maintaining neuronal function during neurodegenerative disorders such as multiple sclerosis. Innate and adaptive immune responses contribute to pathology of neurodegenerative disorders. Furthermore, autoimmune and mesenchymal stem cells, by the release of neurotrophic factors, have the ability to protect neuronal population and can efficiently suppress the formation of new lesions. So, these cells may be an alternative source for delivering neurotrophic factors into the CNS.
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Review Article:
Practical approach to electrodiagnosis of the carpal tunnel syndrome: A review
Keivan Basiri, Bashar Katirji
Adv Biomed Res
2015, 4:50 (17 February 2015)
DOI
:10.4103/2277-9175.151552
PMID
:25802819
Despite being the most common entrapment neuropathy and the most common reason for referral to the electromyography (EMG) laboratory, the diagnosis of carpal tunnel syndrome (CTS) continues to be challenging due to a large number of electrodiagnostic (EDX) tests available. We present a flowchart and propose a practical approach to the diagnosis of CTS using the available literature and the American Association of Neuromuscular and Electrodiagnostic Medicine (AANEM) guidelines and the Practice Parameter for Electrodiagnostic Studies in Carpal Tunnel Syndrome.
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Review Article:
Brain tumors: Special characters for research and banking
Majid Kheirollahi, Sepideh Dashti, Zahra Khalaj, Fatemeh Nazemroaia, Parvin Mahzouni
Adv Biomed Res
2015, 4:4 (6 January 2015)
DOI
:10.4103/2277-9175.148261
PMID
:25625110
A brain tumor is an intracranial neoplasm within the brain or in the central spinal canal. Primary malignant brain tumors affect about 200,000 people worldwide every year. Brain cells have special characters. Due to the specific properties of brain tumors, including epidemiology, growth, and division, investigation of brain tumors and the interpretation of results is not simple. Research to identify the genetic alterations of human tumors improves our knowledge of tumor biology, genetic interactions, progression, and preclinical therapeutic assessment. Obtaining data for prevention, diagnosis, and therapy requires sufficient samples, and brain tumors have a wide range. As a result, establishing the bank of brain tumors is very important and essential.
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Review Article:
Mesenchymal stem cells derived in vitro transdifferentiated insulin-producing cells: A new approach to treat type 1 diabetes
Shruti Dave
Adv Biomed Res
2014, 3:266 (31 December 2014)
DOI
:10.4103/2277-9175.148247
PMID
:25625105
The pathophysiology of type 1 diabetes mellitus (T1DM) is largely related to an innate defect in the immune system culminating in a loss of self-tolerance and destruction of the insulin-producing β-cells. Currently, there is no definitive cure for T1DM. Insulin injection does not mimic the precise regulation of β-cells on glucose homeostasis, leading long term to the development of complications. Stem cell therapy is a promising approach and specifically mesenchymal stem cells (MSCs) offer a promising possibility that deserves to be explored further. MSCs are multipotent, nonhematopoietic progenitors. They have been explored as an treatment option in tissue regeneration as well as potential of
in vitro
transdifferentiation into insulin-secreting cells. Thus, the major therapeutic goals for T1DM have been achieved in this way. The regenerative capabilities of MSCs have been a driving force to initiate studies testing their therapeutic effectiveness; their immunomodulatory properties have been equally exciting; which would appear capable of disabling immune dysregulation that leads to β-cell destruction in T1DM. Furthermore, MSCs can be cultured under specially defined conditions, their transdifferentiation can be directed toward the β-cell phenotype, and the formation of insulin-producing cells (IPCs) can be targeted. To date, the role of MSCs-derived IPC in T1DM-a unique approach with some positive findings-have been unexplored, but it is still in its very early phase. In this study, a new approach of MSCs-derived IPCs, as a potential therapeutic benefit for T1DM in experimental animal models as well as in humans has been summarized.
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Review Article:
Immunocontraceptives: How far from reality?
Seema Lekhwani, ND Vaswani, Veena Singh Ghalaut, Vijay Shanker, Ragini Singh
Adv Biomed Res
2014, 3:247 (6 December 2014)
DOI
:10.4103/2277-9175.146369
PMID
:25590025
Despite high expectations of safer, effective, economical, longer acting contraceptives, to date, there are no licensed contraceptive vaccines available in the market. Nevertheless, a role for vaccines undoubtedly exists as an aid to birth spacing and as a nonsurgical means of generating sterility. The research concerned in the area so far has been successful on the feline population, with room still for exhaustive studies on humans. The future of contraceptive vaccines holds great promise in terms of comfort, price, efficacy, rare complications, and possibly nonselective action on animal populations as well as on humans. This brief review deals with the basic aspects of immunocontraceptives along with the efforts done so far. There is a need for further research in aspects involving the rate of evolution of contraception resistance based on genetics, resistance phenotypes, or cross generation effects. Gonadotropin-releasing hormone and luteinizing-hormone have not been investigated in humans, as both reported impotency in animals; the follicle-stimulating hormone has been shown to cause oligospermia; zona pellucida has also not been studied in humans as it causes irreversible oophoritis, while the sperm has the potential for success in humans based on the data from immunoreproductive studies. Even as the position of the human chorionic gonadotropin vaccine looks hopeful, research on other possible targets continue with an eventual aim of discovering a vaccine that is more immunogenically effective.
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Review Article:
Platelet-rich plasma application in chondrogenesis
Azadeh Kabiri, Ebrahim Esfandiari, Abolghasem Esmaeili, Batool Hashemibeni, Abbas Pourazar, Mohammad Mardani
Adv Biomed Res
2014, 3:138 (25 June 2014)
DOI
:10.4103/2277-9175.135156
PMID
:25161985
Platelet-rich plasma (PRP), an autologous derivative of whole blood, has been recently used in surgical treatment. PRP contains growth factors including transforming growth factor-β (TGF-β), insulin-like growth factor (IGF), platelet-derived growth factor (PDGF), basic fibroblast growth factor (bFGF), and vascular endothelial growth factor (VEGF) and also bioactive proteins that influence the healing of tendon, ligament, muscle, and bone. This article describes the current clinical applications of PRP in chondrogenesis. This study reviews and evaluates the studies that have been published in the field of chondrogenesis. All aspects of using PRP in chondrogenesis are reviewed.
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Review Article:
Cytokines (interleukin-9, IL-17, IL-22, IL-25 and IL-33) and asthma
Rahim Farahani, Roya Sherkat, Mazdak Ganjalikhani Hakemi, Nahid Eskandari, Reza Yazdani
Adv Biomed Res
2014, 3:127 (28 May 2014)
DOI
:10.4103/2277-9175.133249
PMID
:24949298
Asthma is a reversible airway obstruction that is characterized by constriction of airway smooth muscle, hyper secretion of mucus, edema and airway hyper responsiveness (AHR), mucus secretion and thickening of the basement membrane underlying the airway epithelium. During the process of airway inflammation, complex interactions of innate and adaptive immune cells as well as structural cells and their cytokines have many important roles. It was believed that airway inflammation is orchestrated by allergen specific T helper (Th) 2 cells, which recruit and accumulate in the lungs and produce a range of different effector cytokines. However, more recent studies have revealed the potential collaboration of other helper T cells and their cytokines in this process. Th17 cell may have a role in severe asthma and chronic obstructive pulmonary disease (COPD). Interleukin (IL)-9-producing subset called Th9 cell, Th22 cells which primarily secrete IL-22, IL-13 and tumor necrosis factor-α and Th25 cells via producing IL-25 are believed to be important for initiating allergic reactions and developing airway inflammation. Cytokines are important in asthma and play a critical role in orchestrating the allergic inflammatory response, although the precise role of each cytokine remains to be determined. The aim of this review is to summarize the current knowledge about the possible roles of newly identified helper T cells derived cytokines (IL-9, 17, 22, 25 and IL-33) in asthma. The potential therapeutic applications emerging from the roles of these cytokines will be discussed as well.
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Review Article:
Biosensors in clinical chemistry: An overview
Sathish Babu Murugaiyan, Ramesh Ramasamy, Niranjan Gopal, V Kuzhandaivelu
Adv Biomed Res
2014, 3:67 (27 January 2014)
DOI
:10.4103/2277-9175.125848
PMID
:24627875
Biosensors are small devices that employ biological/biochemical reactions for detecting target analytes. Basically, the device consists of a biocatalyst and a transducer. The biocatalyst may be a cell, tissue, enzyme or even an oligonucleotide. The transducers are mainly amperometric, potentiometric or optical. The classification of biosensors is based on (a) the nature of the recognition event or (b) the intimacy between the biocatalyst and the transducer. Bioaffinity and biocatalytic devices are examples for the former and the first, whereas second and third generation instruments are examples for the latter. Cell-based biosensors utilizing immobilized cells, tissues as also enzyme immunosensors and DNA biosensors find variegated uses in diagnostics. Enzyme nanoparticle-based biosensors make use of small particles in the nanometer scale and are currently making a mark in laboratory medicine. Nanotechnology can help in optimizing the diagnostic biochips, which would facilitate sensitive, rapid, accurate and precise bedside monitoring. Biosensors render themselves as capable diagnostic tools as they meet most of the above-mentioned criteria.
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Review Article:
Helicobacter pylori
in humans: Where are we now?
Syed Arshad Hussain, Shamila Hamid
Adv Biomed Res
2014, 3:63 (27 January 2014)
DOI
:10.4103/2277-9175.125844
PMID
:24627871
Helicobacter pylori
has been associated with colonization of gastro duodenal mucosa of humans from millions of years. The main burden of the disese is in the developing countries, due to overcrowding and poor hygiene. If left untreated it leads to lot of sequlae from minor to sinister diseases over a period of time. The main challenges that remain are prevention of
H. pylori
-related diseases by effective treatment and screening procedures and development of a vaccine, which can address all these issues including beneficial aspects of
H. pylori
. The literature pertaining to different aspects of
H. pylori
were scrutinized from Pubmed. Material on clinical behavior, complications of chronic gastric involvement, and prevention besides role of
H. pylori
in nongastric diseases and the latest trends of management was collected for research and review. We continue to face many challenges.The prevention of cancer of the stomach, a worst sequlae of
H. pylori
continues to be a big challenge despite population screening and prevention surveys being underway in many countries. On the other hand continued scientific work has now unfolded involvement of
H. pylori
in extragastric diseases like cerebrovascular, cardiovascular, idiopathic thrombocytopenia, sideroblastic anemia, mental diseases, and collagen vascular diseases. In contrast, the beneficial effects of
H. pylori
with respect to allergic diseases and obesity are now clear. Moreover, problem of drug resistance for eradication of
H.
pylori
has arisen for which novel treatments are being tried.
Lactobacillus reuteri
having anti
H. pylori
action is emerging as one of the promising treatment.
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Review Article:
Glycemic index, glycemic load and childhood obesity: A systematic review
Mohammad Hossein Rouhani, Roya Kelishadi, Mahin Hashemipour, Ahmad Esmaillzadeh, Leila Azadbakht
Adv Biomed Res
2014, 3:47 (24 January 2014)
DOI
:10.4103/2277-9175.125757
PMID
:24627855
Background:
Several evidences have been reported so far in terms of the relationship between obesity and glycemic index and glycemic load in children. However, the number of review studies that have dealt with recent findings is quite low. The purpose of present study is to review the existing evidences in this regard.
Materials and Methods:
First of all, the phrases: "Glycaemic index", "Glycaemic load", "Glycemic index" OR "Glycemic load" accompanied by one of the words: "Adolescent", "Young", "Youth" "Children" OR "Child" were searched in texts of articles existing in ISI and PUBMED databases which were obtained out of 1001 articles. Among these, some articles, which reviewed the relationship of obesity with glycemic index and glycemic load, were selected. Finally, 20 articles were studied in current review study.
Results:
The majority of cross-sectional studies have found children's obesity directly linked with glycemic index and glycemic load; however, cohort studies found controversial results. Also, the intervention studies indicate the negative effect of glycemic index and glycemic load on obesity in children.
Conclusion:
Published evidences reported inconsistent results. It seems that existing studies are not sufficient and more studies are needed in this regard.
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Review Article:
The protective effects of breastfeeding on chronic non-communicable diseases in adulthood: A review of evidence
Roya Kelishadi, Sanam Farajian
Adv Biomed Res
2014, 3:3 (9 January 2014)
DOI
:10.4103/2277-9175.124629
PMID
:24600594
Chronic non-communicable diseases (NCDs), including cardiovascular diseases, cancers, chronic respiratory diseases, diabetes, etc., are the major causes of mortality in the world, notably in low- and middle-income countries. A growing body of evidence suggests that NCDs have a complex etiology resulting from the interaction of genetic factors, gender, age, ethnicity, and the environmental factors. It is well-documented that chronic diseases in adulthood origins in early life. In recent years, much attention has been focused on primordial and primary prevention of NCD risk factors. There are many biological and epidemiological studies on beneficial effects of breastfeeding during infancy on chronic diseases in adulthood, particularly on hypertension, obesity, diabetes, hypercholesterolemia, and cardiovascular diseases. This review article aims to summarize the current literature on the long-term effects of breastfeeding on prevention of NCDs and their risk factors. The current literature is controversial about these effects; however, a growing body of evidence suggests that breastfeeding has protective roles against obesity, hypertension, dyslipidemia, and type II diabetes mellitus during adulthood. In addition to its short-term benefits, encouraging breastfeeding can have long-term beneficial health effects at individual and population levels.
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Review Article:
Genetic defects and the role of helper T-cells in the pathogenesis of common variable immunodeficiency
Reza Yazdani, Mazdak Ganjalikhani Hakemi, Roya Sherkat, Vida Homayouni, Rahim Farahani
Adv Biomed Res
2014, 3:2 (9 January 2014)
DOI
:10.4103/2277-9175.124627
PMID
:24600593
Common variable immunodeficfiiency (CVID) is a primary immunodeficiency syndrome representing a heterogeneous set of disorders resulting mostly in antibody deficiency and recurrent infections. However, inflammatory and autoimmune disorders and some kinds of malignancies are frequently reported as a part of the syndrome. Although it is one of the most widespread primary immunodeficiency, only recently some genetic defects in CVID have been identified. Mutations have been detected in inducible T-cell costimulator (ICOS), transmembrane activator and calcium modulator and cyclophilin ligand interactor (TACI), B-cell activating factor-receptor (BAFF-R), B-cell receptor complex (CD19, CD21 and CD81) and CD20. On the other hand, recent studies have shown a decrease in T-helper-17 cells frequency and their characteristic cytokines in CVID patients and this emphasis on the vital role of the T-cells in immunopathogenesis of the CVID. Furthermore, in the context of autoimmune diseases accompanying CVID, interleukin 9 has recently attracted a plenty of considerations. However, the list of defects is expanding as exact immunologic pathways and genetic disorders in CVID are not yet defined. In this review, we have a special focus on the immunopathogenesis of CVID, recent advances in understanding the underlying etiology and genetics for patients.
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Review Article:
Role of the innate immunity in female reproductive tract
Fatemehsadat Amjadi, Ensieh Salehi, Mehdi Mehdizadeh, Reza Aflatoonian
Adv Biomed Res
2014, 3:1 (9 January 2014)
DOI
:10.4103/2277-9175.124626
PMID
:24592358
The mucosal immune system in the female reproductive tract (FRT) is well equipped to meet the sexually transmitted pathogens, allogeneic sperm, and the immunologically distinct fetus. Analysis of the FRT indicates that epithelial cells provide a physical barrier against pathogens and microbial infections as well as secretions containing anti-microbial peptides, cytokines, and chemokines which recruit and activate immune cells. Epithelial and immune cells confer protection in part through Toll-like receptors. The aim of this literature is to review the diverse components of the innate immune system, contributing to an exclusive protection system throughout the FRT.
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Review Article:
A brief review of risk-factors for growth and developmental delay among preschool children in developing countries
Syed Sadat Ali
Adv Biomed Res
2013, 2:91 (30 November 2013)
DOI
:10.4103/2277-9175.122523
The purpose of this article is to provide an overview of the highly prevalent risk factors influencing growth and development among pre-school children in rural population of developing countries. A child's brain during the first 3 years of life is rapidly developing through generation of neurons, synaptogenesis, axonal, and dendric growth and synaptic pruning each of which build upon each other. Any interruption in this process, such as trauma, stress, under-nutrition or lack of nutrients can have long-term effects on the brain's structure and on the child's socio-emotional development. Children's development is essentially cumulative in nature and hence, the early years of life are the foundation for later development. A Med-line search was done to review relevant articles in English literature on evaluation of risk factors influencing child development. Data were constructed and issues were reviewed from there. Influences upon children's development tend to be specific in nature and developmental influences rarely operate in isolation from each other. Developmental risk factors tend to cluster together thereby, interventions designed to facilitate development must be multifocal in nature, integrating influences from different domains.
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Review Article:
A review on natural background radiation
Daryoush Shahbazi-Gahrouei, Mehrdad Gholami, Samaneh Setayandeh
Adv Biomed Res
2013, 2:65 (30 July 2013)
DOI
:10.4103/2277-9175.115821
PMID
:24223380
The world is naturally radioactive and approximately 82% of human-absorbed radiation doses, which are out of control, arise from natural sources such as cosmic, terrestrial, and exposure from inhalation or intake radiation sources. In recent years, several international studies have been carried out, which have reported different values regarding the effect of background radiation on human health. Gamma radiation emitted from natural sources (background radiation) is largely due to primordial radionuclides, mainly
232
Th and
238
U series, and their decay products, as well as
40
K, which exist at trace levels in the earth's crust. Their concentrations in soil, sands, and rocks depend on the local geology of each region in the world. Naturally occurring radioactive materials generally contain terrestrial-origin radionuclides, left over since the creation of the earth. In addition, the existence of some springs and quarries increases the dose rate of background radiation in some regions that are known as high level background radiation regions. The type of building materials used in houses can also affect the dose rate of background radiations. The present review article was carried out to consider all of the natural radiations, including cosmic, terrestrial, and food radiation.
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Review Article:
Recent advances in the field of antimicrobial peptides in inflammatory diseases
Patricia Méndez-Samperio
Adv Biomed Res
2013, 2:50 (29 June 2013)
DOI
:10.4103/2277-9175.114192
Antimicrobial peptides are cationic molecules, which participate in multiple aspects of the immune response including the control of inflammatory diseases, characteristic that make these molecules attractive as therapeutic tools. These peptides are produced in bacteria, insects, plants and vertebrates, and are classified together due to their capacity to directly inhibit the growth of microorganisms, and to regulate the immune response by inducing the secretion of chemokines and cytokines. Various families of antimicrobial peptides have been identified including the cathelicidins and defensins, the most investigated human antimicrobial peptides. This review will cover the main biological functions of antimicrobial and cell-penetrating peptides in inflammation, and describe the importance and utility of antimicrobial peptides as therapeutics for inflammatory diseases.
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Review Article:
Prospective utility of therapeutic ultrasound in dentistry-Review with recent comprehensive update
Shalu Rai, Mandeep Kaur, Sumit Goel, Sapna Panjwani, Shailly Singh
Adv Biomed Res
2012, 1:47 (28 August 2012)
DOI
:10.4103/2277-9175.100153
PMID
:23326778
Background:
The utility of ultrasound (US) for therapeutic purposes is still in its infancy. Therapeutic US (TUS) has been used widely in medical field for urological application, surgical intervention, bone healing, and osteointegration in cancer and healing of full thickness excised skin lesions, and within dentistry as a prediagnostic, diagnostic and therapeutic purpose. The purpose of the paper is to review and determine the efficacy of US as one of the treatment modalities for its role in maxillofacial region to reduce pain and promote soft tissue healing.
Materials and Methods:
A Medline search included of the international literature published between 1976 and 2011 and was restricted to English language articles, published work of past researchers including
in vitro
and
in vivo
studies, recent additions of textbooks on surgical and therapeutic applications of US and, current articles in conference papers and reports accessed from the internet using Google search engine on therapeutic ultrasound.
Results:
Very few article regarding effect of therapeutic of US for its use of insonation for treatment of patient with pain and soft tissue injury are available. This review article mainly emphasizes the therapeutic utility of US in dentistry for its effectiveness to decrease joint stiffness, reduce pain and muscle spasms and improve muscle mobility.
In vivo
studies have shown very little clinical effects.
Conclusions:
Further research is warranted in this clinically important area to make the development of noninvasive, multifunctional ultrasound devices for repair, regeneration and other therapeutic utility a success.
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Review Article:
A brief study of toxic effects of some medicinal herbs on kidney
Mohammad Asif
Adv Biomed Res
2012, 1:44 (28 August 2012)
DOI
:10.4103/2277-9175.100144
PMID
:23326775
Increased use of complementary and alternative herbal medicines in the treatment of various diseases.Some herbal therapies may be causes of potential toxicity that may be renal toxicity caused by the ingestion of herbs. The goal of this study is the toxic and beneficial effects of medicinal herbs on renal health by which evidence for benefit or toxicity has been found. Included are nephrotoxicity from aristolochic acid and other components within herbs, herb-drug interactions, heavy metal toxicity in herbs and adulterants during careless preparation of herbal medicine, resulting in adverse renal effects and renal toxicity from contaminants within the extracts. The review aims to provide knowledge and guide to encourage future toxicity studies on the kidney by medicinal herbs.
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Review Article:
Viral and nonviral delivery systems for gene delivery
Nouri Nayerossadat, Talebi Maedeh, Palizban Abas Ali
Adv Biomed Res
2012, 1:27 (6 July 2012)
DOI
:10.4103/2277-9175.98152
PMID
:23210086
Gene therapy is the process of introducing foreign genomic materials into host cells to elicit a therapeutic benefit. Although initially the main focus of gene therapy was on special genetic disorders, now diverse diseases with different patterns of inheritance and acquired diseases are targets of gene therapy. There are 2 major categories of gene therapy, including germline gene therapy and somatic gene therapy. Although germline gene therapy may have great potential, because it is currently ethically forbidden, it cannot be used; however, to date human gene therapy has been limited to somatic cells. Although numerous viral and nonviral gene delivery systems have been developed in the last 3 decades, no delivery system has been designed that can be applied in gene therapy of all kinds of cell types
in vitro
and
in vivo
with no limitation and side effects. In this review we explain about the history of gene therapy, all types of gene delivery systems for germline (nuclei, egg cells, embryonic stem cells, pronuclear, microinjection, sperm cells) and somatic cells by viral [retroviral, adenoviral, adeno association, helper-dependent adenoviral systems, hybrid adenoviral systems, herpes simplex, pox virus, lentivirus,
Epstein-Barr virus
)] and nonviral systems (physical: Naked DNA, DNA bombardant, electroporation, hydrodynamic, ultrasound, magnetofection) and (chemical: Cationic lipids, different cationic polymers, lipid polymers). In addition to the above-mentioned, advantages, disadvantages, and practical use of each system are discussed.
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Review Article:
Leptin and its cardiovascular effects: Focus on angiogenesis
Zoya Tahergorabi, Majid Khazaei
Adv Biomed Res
2015, 4:79 (1 January 1900)
DOI
:10.4103/2277-9175.156526
PMID
:26015905
Leptin is an endocrine hormone synthesized by adipocytes. It plays a key role in the energy homeostasis in central and peripheral tissues and has additional roles are attributed to it, such as the regulation of reproduction, immune function, bone homeostasis, and angiogenesis. The plasma concentration of leptin significantly increases in obese individuals. In the present review, we give an introduction concerning leptin, its receptors, signaling pathways, and its effect on cardiovascular system, especially on angiogenesis.
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