Prostaglandin E2 As a Modulator of Viral Infections

被引:94
作者
Sander, Willem J. [1 ]
O'Neill, Hester G. [1 ]
Pohl, Carolina H. [1 ]
机构
[1] Univ Free State, Dept Microbial Biochem & Food Biotechnol, Bloemfontein, South Africa
基金
新加坡国家研究基金会;
关键词
inflammation; prostaglandin E-2; immunity; viral infection; therapeutic agents; HERPES-SIMPLEX-VIRUS; REGULATORY T-CELLS; NONSTEROIDAL ANTIINFLAMMATORY DRUGS; POLYUNSATURATED FATTY-ACIDS; EP4 PROSTANOID RECEPTORS; INCREASED TH17 CELLS; DENDRITIC CELLS; HEPATITIS-B; ROTAVIRUS INFECTION; IMMUNE-RESPONSES;
D O I
10.3389/fphys.2017.00089
中图分类号
Q4 [生理学];
学科分类号
071003 ;
摘要
Viral infections are a major cause of infectious diseases worldwide. Inflammation and the immune system are the major host defenses against these viral infection. Prostaglandin E-2 (PGE(2)), an eicosanoid generated by cyclooxygenases, has been shown to modulate inflammation and the immune system by regulating the expression/concentration of cytokines. The effect of PGE(2) on viral infection and replication is cell type-and virus-family-dependent. The host immune system can be modulated by PGE(2), with regards to immunosuppression, inhibition of nitrogen oxide (NO) production, inhibition of interferon (IFN) and apoptotic pathways, and inhibition of viral receptor expression. Furthermore, PGE(2) can play a role in viral infection directly by increasing the production and release of virions, inhibiting viral binding and replication, and/or stimulating viral gene expression. PGE(2) may also have a regulatory role in the induction of autoimmunity and in signaling via Toll-like receptors. In this review the known effects of PGE(2) on the pathogenesis of various infections caused by herpes simplex virus, rotavirus, influenza A virus and human immunodeficiency virus as well the therapeutic potential of PGE(2) are discussed.
引用
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页数:17
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