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Deprecated: Implicit conversion from float 217.6 to int loses precision in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 534 Microb+Pathog 2021 ; 153 (ä): 104799 Nephropedia Template TP
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The pro-inflammatory cytokines in COVID-19 pathogenesis: What goes wrong? #MMPMID33609650
Darif D; Hammi I; Kihel A; El Idrissi Saik I; Guessous F; Akarid K
Microb Pathog 2021[Apr]; 153 (ä): 104799 PMID33609650show ga
The outbreak of coronavirus disease 2019 (COVID-19), caused by Severe Acute Respiratory Syndrome Coronavirus 2 (SARS-CoV-2) infection, has emerged in China in December 2019 and rapidly spread to more than 196 countries worldwide. The physiopathology of human SARS-CoV-2 has not been completely understood, but its pathogenesis has been linked to a disproportionate response of the immune system. Just as described for SARS and MERS, an uncontrolled systemic inflammatory response, known as cytokine release syndrome (CRS) was observed in severe COVID-19 patients. It results from the release by immune and non-immune effector cells of substantial amounts of pro-inflammatory cytokines and appears to contribute to SARS-CoV-2 pulmonary inflammation and extensive lung damage. In addition, hyper-coagulation and thrombosis resulted from the important release of pro-inflammatory cytokines contribute to the lethality of subjects severely infected with SARS-CoV-2. It is therefore essential to have a deep understanding of the various cytokines involved in this exacerbated immune response, and that could be targeted by potential immunological treatments. The aim of this review was to gather the current knowledge about the role of pro-inflammatory cytokines, namely IL-1beta, IL-6, IL-8, IL-17 and TNFalpha in SARS-CoV-2 CRS, the probable causes and clinical outcomes of this phenomenon in severe cases of COVID-19.