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Linkage of Lambda Interferons in Protection Against Severe COVID-19 #MMPMID33885337
Shahbazi M; Amri Maleh P; Bagherzadeh M; Moulana Z; Sepidarkish M; Rezanejad M; Mirzakhani M; Ebrahimpour S; Ghorbani H; Ahmadnia Z; Javanian M; Bayani M; Mohammadnia-Afrouzi M
J Interferon Cytokine Res 2021[Apr]; 41 (4): 149-152 PMID33885337show ga
The most recently discovered interferon (IFN) family, type III IFNs or lambda IFNs (IFN-lambdas) are caused by viral infection and act in mucosal barriers, such as the respiratory tract. In this study, we assessed the serum levels of IFN-lambdas in new coronavirus disease-2019 (COVID-19) patients. Sixty-four COVID-19 patients were enrolled in this study. All cases were divided into the intensive care unit (ICU) and non-ICU groups according to their symptoms. Fourteen samples of healthy controls were also included. The serum levels of IFN-lambda1 and IFN-lambda2 were analyzed by specific enzyme-linked immunosorbent assay (ELISA) kits. The concentrations of IFN-lambda1 and IFN-lambda2 induced in the serum of non-ICU patients (836.7 +/- 284.6 and 798.8 +/- 301.5 pg/mL, respectively) were higher than found in ICU patients (81.57 +/- 34.25 and 48.32 +/- 28.13 pg/mL, respectively) (P = 0.004 and P = 0.006, respectively) and healthy controls (85.57 +/- 33.63 and 65.82 +/- 21.26 pg/mL, respectively) (P = 0.03 and P = 0.04, respectively). Meanwhile, no significant differences were found in the concentration of both cytokines between the ICU patients and healthy controls. We conclude that higher levels of IFN-lambdas are associated with decreased clinical manifestations in COVID-19 patients. These cytokines could be a promising therapeutic agent to avoid the overwhelming consequences of COVID-19.