Author:
Fu Wenrui,Xie Zifeng,Bai Mei,Zhang Zhen,Zhao Yuanlong,Tian Jing
Abstract
AbstractMacrophages have a vital role in phagocytosis and antiviral effect against invading influenza viruses. Previously, we found that methionine enkephalin (MENK) inhibited influenza virus infection by upregulating the “antiviral state” of macrophages. To investigate the immunoregulatory mechanism of action of MENK on macrophages, we employed proteomic analysis to identify differentially expressed proteins (DEPs) between macrophages infected with the influenza-A virus and cells infected with the influenza-A virus after pretreatment with MENK. A total of 215 DEPs were identified: 164 proteins had upregulated expression and 51 proteins had downregulated expression. Proteomics analysis showed that DEPs were highly enriched in “cytokine-cytokine receptor interaction”, “phagosome”, and “complement and coagulation cascades pathway”. Proteomics analysis revealed that MENK could be an immune modulator or prophylactic for the prevention and treatment of influenza. MENK promoted the polarization of M1 macrophages, activated inflammatory responses, and enhanced phagocytosis and killing function by upregulating opsonizing receptors.
Funder
the Doctoral Start-up Foundation of Liaoning Province
the National College Students Innovation and Entrepreneurship Training Program
Publisher
Springer Science and Business Media LLC
Subject
Molecular Biology,Biochemistry
Cited by
1 articles.
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