Emerging Roles of Heparan Sulfate Proteoglycans in Viral Pathogenesis.

Raghuram Koganti, Abdullah Memon, Deepak Shukla

Seminars in thrombosis and hemostasis 2021 Apr

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Heparan sulfate is a glycosaminoglycan present in nearly all mammalian tissues. Heparan sulfate moieties are attached to the cell surface via heparan sulfate proteoglycans (HSPGs) which are composed of a protein core bound to multiple heparan sulfate chains. HSPGs contribute to the structural integrity of the extracellular matrix and participate in cell signaling by releasing bound cytokines and chemokines once cleaved by an enzyme, heparanase. HSPGs are often exploited by viruses during infection, particularly during attachment and egress. Loss or inhibition of HSPGs initially during infection can yield significant decreases in viral entry and infectivity. In this review, we provide an overview of HSPGs in the lifecycle of multiple viruses, including herpesviruses, human immunodeficiency virus, dengue virus, human papillomavirus, and coronaviruses. Thieme. All rights reserved.

Citation

Raghuram Koganti, Abdullah Memon, Deepak Shukla. Emerging Roles of Heparan Sulfate Proteoglycans in Viral Pathogenesis. Seminars in thrombosis and hemostasis. 2021 Apr;47(3):283-294