| ORIGINAL ARTICLE |
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| Year : 2023 | Volume
: 12
| Issue : 1 | Page : 102 |
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Differentially expressed inflammatory cell death-related genes and the serum levels of IL-6 are determinants for severity of coronaviruses diseases-2019 (COVID-19)
Mohammad Heidarvand1, Reza Hosseini1, Mohammad Kazemi2, Alireza Andalib1, Ramin Sami3, Nahid Eskandari1, Behrooz Ghezelbash1
1 Department of Immunology, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
2 Department of Genetics, School of Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
3 Department of Internal Medicine, School of Medicine, Khorshid Hospital, Isfahan University of Medical Sciences, Isfahan, Iran
Correspondence Address:
Dr. Behrooz Ghezelbash
Department of Immunology, School of Medicine, Isfahan University of Medical Sciences, Isfahan
Iran
Nahid Eskandari
Department of Immunology, School of Medicine, Isfahan University of Medical Sciences, Isfahan
Iran
 Source of Support: None, Conflict of Interest: None  | Check |
DOI: 10.4103/abr.abr_232_22
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Background: Inflammatory cell death, PANoptosis, has been suggested to orchestrate the lymphocyte decrement among coronavirus disease-2019 (COVID-19) patients. The main aim of this study was to examine the differences in the expression of key genes related to inflammatory cell death and their correlation with lymphopenia in the mild and severe types of COVID-19 patients.
Materials and Methods: Eighty-eight patients (36 to 60 years old) with mild (n = 44) and severe (n = 44) types of COVID-19 were enrolled. The expression of key genes related to apoptosis (FAS-associated death domain protein, FADD), pyroptosis (ASC (apoptosis-associated speck-like protein containing caspase activation and recruitment domains (CARD)), the adapter protein ASC binds directly to caspase-1 and is critical for caspase-1 activation in response to a broad range of stimuli), and necroptosis (mixed lineage kinase domain-like, MLKL) genes were examined by reverse transcription-quantitative polymerase chain reaction (RT-qPCR) assay, and compared between the groups. The serum levels of interleukin (IL)-6 were measured by enzyme-linked immunosorbent assay (ELISA) assay.
Results: A major increase in the expression of FADD, ASC, and MLKL-related genes in the severe type of patients was compared to the mild type of patients. The serum levels of IL-6 similarly indicated a significant increase in the severe type of the patients. A significant negative correlation was detected between the three genes' expression and the levels of IL-6 with the lymphocyte counts in both types of COVID-19 patients.
Conclusion: Overall, the main regulated cell-death pathways are likely to be involved in lymphopenia in COVID-19 patients, and the expression levels of these genes could potentially predict the patients' outcome.
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