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Review
. 2021 Jan 17;13(1):118.
doi: 10.3390/v13010118.

Cellular Receptors Involved in KSHV Infection

Emma van der Meulen  1   2 , Meg Anderton  1   2 , Melissa J Blumenthal  1   2   3 , Georgia Schäfer  1   2   3
Affiliations
Review

Cellular Receptors Involved in KSHV Infection

Emma van der Meulen et al. Viruses. .

Abstract

The process of Kaposi's Sarcoma Herpes Virus' (KSHV) entry into target cells is complex and engages several viral glycoproteins which bind to a large range of host cell surface molecules. Receptors for KSHV include heparan sulphate proteoglycans (HSPGs), several integrins and Eph receptors, cystine/glutamate antiporter (xCT) and Dendritic Cell-Specific Intercellular adhesion molecule-3-grabbing non-integrin (DC-SIGN). This diverse range of potential binding and entry sites allows KSHV to have a broad cell tropism, and entry into specific cells is dependent on the available receptor repertoire. Several molecules involved in KSHV entry have been well characterized, particularly those postulated to be associated with KSHV-associated pathologies such as Kaposi's Sarcoma (KS). In this review, KSHV infection of specific cell types pertinent to its pathogenesis will be comprehensively summarized with a focus on the specific cell surface binding and entry receptors KSHV exploits to gain access to a variety of cell types. Gaps in the current literature regarding understanding interactions between KSHV glycoproteins and cellular receptors in virus infection are identified which will lead to the development of virus infection intervention strategies.

Keywords: Eph receptors; Kaposi’s Sarcoma Herpes Virus (KSHV); Kaposi’s sarcoma; endothelial cells.

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Conflict of interest statement

The authors declare no conflict of interest. The funders had no role in the design and writing of the manuscript, or in the decision to publish the results.

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