IL-17A in COVID-19 Cases: a meta-analysis
Introduction: Numerous reviews, commentaries and opinion pieces have suggested targeting IL-17A as part of managing Coronavirus disease 2019 (COVID-19), the notorious pandemic caused by the Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). IL-17A is a proinflammatory cytokine attributed...
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| Main Authors: | , , |
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| Format: | Article |
| Language: | English |
| Published: |
The Journal of Infection in Developing Countries
2021-11-01
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| Series: | Journal of Infection in Developing Countries |
| Subjects: | |
| Online Access: | https://jidc.org/index.php/journal/article/view/15285 |
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| Summary: | Introduction: Numerous reviews, commentaries and opinion pieces have suggested targeting IL-17A as part of managing Coronavirus disease 2019 (COVID-19), the notorious pandemic caused by the Severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2). IL-17A is a proinflammatory cytokine attributed with homeostatic roles but that is also involved in autoimmune disease pathogenesis. While some studies have reported an increase in IL-17A in COVID-19 cases, no significant associations were found by others. Hence, we undertook this meta-analysis to study serum IL-17A levels in COVID-19 patients in relation to disease severity.
Methodology: Multiple databases were systematically reviewed for literature published on the topic from January 1, 2019 to April 30, 2021. A random effects model was used to calculate weighted mean differences (WMDs) and 95% confidence interval (CIs) as well as the t2 and I2 statistics for heterogeneity analysis.
Results: We report that IL-17A increases in COVID-19 subjects irrespective of disease severity compared to controls [WMD = 2.51 pg/ml (95% CI 1.73-3.28), p < 0.00001]. It is also higher in patients with moderate disease compared to controls [WMD = 2.41 pg/ml (95% CI:1.40-3.43), p < 0.00001] as well as higher in patients with severe COVID-19 [WMD = 4.13 pg/ml (95% CI:1.65-6.60), p = 0.001]. While the increase in serum levels in subjects with severe disease over those with moderate disease was statistically significant, the association was not as robust as the other comparisons [WMD = 2.07 pg/ml (95% CI:0.20-3.95), p = 0.03]. Variable heterogeneity was observed in the various analyses with no significant publication bias detected.
Conclusions: Hence, IL-17A may be of relevance when considering management approaches to COVID-19.
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| ISSN: | 1972-2680 |