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Original Article:
PlpE epitopes of
Pasteurella multocida
fusion protein as novel subunit vaccine candidates
Saied Mostaan, Abbas Ghasemzadeh, Parastoo Ehsani, Soroush Sardari, Mohammad Ali Shokrgozar, Mohsen Abolhassani, Gholamreza Nikbakht Brujeni
Adv Biomed Res
2020, 9:43 (28 August 2020)
DOI
:10.4103/abr.abr_245_19
Background:
Pasteurella multocida
is the causative agent of many diseases. Antimicrobial treatment disadvantages highlight the need to find other possible ways such as prophylaxis to manage infections. Current vaccines against this agent include inactivated bacteria, live-attenuated bacteria, and nonpathogenic bacteria, which have disadvantages such as lack of immunogenicity, reactogenicity, or reversion to virulence wild bacteria. Using bioinformatical approaches, potentially immunogenic and protective epitopes identified and merged to design the best epitope fusion form in case of immunogenicity as a vaccine candidate.
Materials and Methods:
In this study, the fusion protein (
PlpE1 + 2 + 3
) and full
PlpE
genes (
PlpE-Total
) were cloned in pET28a in BL21 (DE3) firstly and later in pBAD/gIII A and expressed in Top10
Escherichia
coli. Overlap polymerase chain reaction (PCR) using different primers for 5ˈ and 3ˈ end of each segment produced fusion segment 1 + 2 and (1 + 2) +3 fragments and was used for cloning.
Results:
Cloning of both
PlpE1 + 2 + 3
and
PlpE-Total
into the pET28a vector and their transform into the BL21 (DE3)
E
.
coli
host was successful, as the presence of the cassettes was proved by digestion and colony PCR, however, their expression faced some challenges independent of expression inducer (isopropyl β-d-1-thiogalactopyranoside) concentration.
Conclusion:
Changing the vector to pBAD/gIII A and consequently changing the host to Top10
E. coli
have resulted in sufficient expression, which shows that Top10
E. coli
may be a good substitute for such cases. Furthermore, it is concluded that adding 8M urea results in sufficient purification, which hypothesizes that denature purification is better for such cases than native one. Purified proteins headed for further analysis as vaccine candidates.
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Case Report:
An unusual acute cyanide intoxication
Gholamali Dorooshi, Amin Dorostkar, Alireza Rahimi, Shafeajafar Zoofaghari
Adv Biomed Res
2020, 9:42 (28 August 2020)
DOI
:10.4103/abr.abr_128_20
Suicide with cyanides is relatively rare but highly lethal. The lethal oral dose of cyanide salts is 200 mg, and concentrations >3 mg/L may be potentially lethal. The symptoms of poisoning are predominating in the central nervous system and cardiovascular system. We report the case of a 43-year-old goldsmith man who presented with self-poisoning by cyanide salt ingestion. Patient's symptoms included confusion, cardiac arrhythmias, hyperkalemia, leukocytosis, metabolic acidosis with high anion gap, hypotension, and then hypertension. The cause of the patients poisoning was not initially diagnosed. Intensive supportive treatment was performed. The patient died on the 3
rd
day of admission following cardiac arrest. At autopsy, hemorrhagic gastritis and cherry-red discoloration of the chest muscles were observed. Forensic toxicology showed cyanide in the blood and tissues. Cyanide poisoning could appear in different forms, and like our case, the symptoms can last for several days with nonspecific symptoms.
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Original Article:
The role of social skills in the prevention of drug addiction in adolescents
Zahra Amini Pozveh, Zeinab Saleh
Adv Biomed Res
2020, 9:41 (28 August 2020)
DOI
:10.4103/abr.abr_99_20
Background:
Substance abuse has turned into a great problem in the worldwide. Considering the increased prevalence of addiction in this study, we tried to assess the role of social skills aspects in tendency to addiction among the adolescents.
Materials and Methods:
This cross-sectional study was conducted on 600 high school students studying in the Isfahan City, Iran, from 2016 to 2018. The studied population was assessed using addiction tendency questionnaire and Matson's social skills questionnaire. Data were analyzed by Statistical Package for the Social Sciences software and independent
t
-test, Pearson and Spearman correlation, and linear regression test.
Results:
Social behavior (
P
= 0.002,
r
= −0.124), high self-esteem (
P
< 0.001,
r
= −0.381), and peer-communication (
P
< 0.001,
r
= −0.361) were inversely associated with a tendency to addiction and were independent predictors of it (
P
< 0.05). Aggression was associated with increased tendency to the addiction (
P
= 0.01,
r
= 0.103) but not a predictor.
Conclusion:
We found that appropriate social behaviors, inappropriate assertiveness, and functional communication were factors associated with less tendency to substance abuse in the adolescent.
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Case Report:
Sudden death following suicide with colchicine and chloroquine
Gholamali Dorooshi, Shafeajafar Zoofaghari, Shiva Samsamshariat, Alireza Rahimi, Arman Otroshi
Adv Biomed Res
2020, 9:40 (28 August 2020)
DOI
:10.4103/abr.abr_129_20
Poisoning with any of the colchicine or chloroquine drugs is rare. These drugs exert therapeutic and toxic effects on tissues by different mechanisms. Colchicine is used to treat a number of rheumatologic diseases and heart problems. In addition, chloroquine is used to treat malaria and some inflammatory diseases. There is a small gap between the therapeutic and toxic doses of these drugs. Gastrointestinal symptoms are the initial causes of poisoning with these drugs and then widespread organ failure in later stages can lead to sudden cardiac death. We introduce a case of concurrent poisoning with both drugs, in which the patient presented with a headache, nausea, and vomiting several hours after suicide. On the 1
st
day, the patient's status was stable, but on the 2
nd
day, the patient suddenly becomes ill and died even though the patient received supportive therapy. Concurrent poisoning with chloroquine and colchicine is extremely lethal, and early aggressive management is recommended even in an apparently stable patient.
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Letter to Editor:
Smart healthcare in neurology
Masaraf Hussain
Adv Biomed Res
2020, 9:39 (28 August 2020)
DOI
:10.4103/abr.abr_121_20
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Case Report:
Schizophrenia and macroprolactinoma: Is there a deep link?
Atefeh Bamarinejad, Shidrokh Nasiri, Fatemeh Bamarinejad, Rezvan Salehidoost, Elahe Zare-Farashbandi
Adv Biomed Res
2020, 9:38 (28 August 2020)
DOI
:10.4103/abr.abr_96_20
Prolactinomas are the most common type of functional pituitary tumors. Dopamine agonists is the most important drugs used in prolactinoma,have antagonistic effect with antipsychotic drugs used in schizophrenia. Conversely, dopamine antagonist drugs increase prolactin in patients with simultaneous schizophrenia. In the present case, we report a 29-year-old single male with schizophrenia who treated for 8 years with risperidone and presented with macroprolactinoma. Iatrogenic hyperprolactinemia is a well-known side effect of dopamine antagonist drugs for treatment in a patient with schizophrenia. On the other hand, it appears these drugs have the other side effects, such as drug- induced prolactinoma or boost growth.
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Original Article:
Prognostic survival factors in acute liver failure patients in India
Noel George, Alan Jose, Siddharth Dharamsi, Leelakrishnan Venkatakrishnan, Anil C Mathew
Adv Biomed Res
2020, 9:37 (28 August 2020)
DOI
:10.4103/abr.abr_70_19
Background:
Acute liver failure (ALF) is characterized by severe and sudden liver cell dysfunction. Baseline demographic, clinical, and biochemical factors associated with the survival of ALF patients were identified in a few selected Western studies, but very few studies have been done in India. The aim of the current study is to provide an overview of the factors associated with the survival of ALF patients and to suggest an optimum cutoff value for clinically significant parameters.
Materials and Methods:
The patients suffering from ALF were reviewed in this study. The factors studied were age, sex, total serum bilirubin, serum creatinine, serum albumin, urea, aspartate aminotransferase, alanine aminotransferase (ALT), and recent hepatitis E virus infection.
Results:
Total
n
= 41; Male 73%; median age 43 years. The median survival time of patients in the age group of 18–40 years was 238 days. The median survival time of patients >40 years of age was 129.10 days. Elevated serum urea and serum ALT levels at the time of admission were found to be significant predictors of mortality in patients suffering from ALF in our study. In Receiver Operator Characteristic (ROC) curve analysis, the optimum cutoff value of urea was found to be 42 mg/dL, and ALT was found to be 400 IU/L.
Conclusions:
Elevated serum urea and serum ALT levels at the time of admission were found to be significant predictors of mortality in patients suffering from ALF in our study. The use of these two parameters, along with King's criteria for the prognosis of ALF, can be more useful in the management of such patients in India.
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Letter to Editor:
Can infection of COVID-19 virus exacerbate Alzheimer's symptoms? Hypothetic possible role of angiotensin-converting enzyme-2/Mas/brain-derived neurotrophic factor axis and Tau hyper-phosphorylation
Sareh Kermanshahi, Mina Gholami, Majid Motaghinejad
Adv Biomed Res
2020, 9:36 (28 August 2020)
DOI
:10.4103/abr.abr_72_20
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Case Report:
Diarrhea as a presenting symptom of coronavirus disease 2019 in children
Borhan Moradveisi, Pedram Ataee, Alireza Ghaffarieh, Avat Karimi, Nima Fattahi, Karim Nasseri
Adv Biomed Res
2020, 9:35 (28 August 2020)
DOI
:10.4103/abr.abr_90_20
Gastroenteritis is common among children and is usually caused by bacterial, viral, or parasitic gastrointestinal infections. The occurrence of gastroenteritis as the only symptom of coronavirus disease 2019 (COVID-19) is an uncommon condition. We present a 16-month-old girl that has recently been admitted to our hospital with vomiting, diarrhea, and lethargy, who was ultimately diagnosed with COVID-19. This case shows that the clinical manifestations of COVID-19 can be misleading in children.
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Short Communication:
Necessity to prioritize research activities for a better public health response to Coronavirus Disease-2019 pandemic
Saurabh RamBihariLal Shrivastava, Prateek Saurabh Shrivastava
Adv Biomed Res
2020, 9:34 (28 August 2020)
DOI
:10.4103/abr.abr_64_20
The Corona Virus Disease-2019 (COVID-19) pandemic has exposed the weaknesses in the public health care delivery system, and is extremely disheartening that thousands of people are losing their lives to a single disease. A single infectious disease is able to produce so much fear, uncertainty and disastrous impact predominantly because of its novelty and the fact that the many aspects of the disease are still not known. Even though, it has been proposed to strengthen multiple aspects of the disease control, but it is equally important to give immense priority to the research and development domain, as the findings of these results will reorganize the entire approach towards the disease. In conclusion, research and development is an important and integral component of the fight against the COVID-19 pandemic. It is high time that resources are pooled in and research activities are encouraged and accelerated to get answers for the unanswered aspects of this novel viral infection, which will aid all of us to mount an improved public health response against the first pandemic of the 21
st
century.
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2022
April
[
9
]
March
[
8
]
February
[
9
]
January
[
10
]
2021
December
[
10
]
November
[
11
]
October
[
5
]
September
[
6
]
August
[
2
]
July
[
4
]
June
[
3
]
May
[
1
]
March
[
2
]
February
[
4
]
January
[
6
]
2020
December
[
8
]
November
[
7
]
October
[
13
]
September
[
10
]
August
[
10
]
July
[
7
]
June
[
4
]
May
[
5
]
April
[
5
]
March
[
3
]
February
[
4
]
January
[
5
]
2019
December
[
2
]
November
[
5
]
October
[
5
]
September
[
7
]
August
[
6
]
July
[
3
]
June
[
7
]
May
[
5
]
April
[
8
]
March
[
6
]
February
[
8
]
January
[
10
]
2018
December
[
9
]
November
[
9
]
October
[
11
]
September
[
5
]
August
[
10
]
July
[
10
]
June
[
13
]
May
[
17
]
April
[
17
]
March
[
19
]
February
[
19
]
January
[
20
]
2017
December
[
13
]
November
[
21
]
October
[
12
]
September
[
9
]
August
[
15
]
July
[
22
]
June
[
11
]
May
[
14
]
April
[
14
]
March
[
21
]
February
[
8
]
January
[
8
]
2016
December
[
17
]
November
[
20
]
October
[
12
]
September
[
9
]
August
[
19
]
July
[
16
]
June
[
17
]
May
[
17
]
April
[
16
]
March
[
36
]
February
[
14
]
January
[
14
]
2015
December
[
2
]
November
[
15
]
October
[
25
]
September
[
29
]
August
[
29
]
July
[
31
]
June
[
11
]
May
[
39
]
March
[
15
]
February
[
29
]
January
[
34
]
2014
December
[
23
]
November
[
25
]
October
[
18
]
September
[
19
]
August
[
22
]
July
[
13
]
June
[
11
]
May
[
22
]
April
[
2
]
March
[
24
]
February
[
11
]
January
[
77
]
2013
November
[
10
]
October
[
5
]
August
[
1
]
July
[
23
]
June
[
11
]
March
[
42
]
2012
December
[
4
]
October
[
17
]
August
[
34
]
July
[
15
]
May
[
10
]
March
[
7
]
1900
January
[
1
]
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