{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,5,27]],"date-time":"2026-05-27T15:49:32Z","timestamp":1779896972357,"version":"3.53.1"},"reference-count":65,"publisher":"American Society for Microbiology","issue":"16","license":[{"start":{"date-parts":[[2016,8,15]],"date-time":"2016-08-15T00:00:00Z","timestamp":1471219200000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"funder":[{"DOI":"10.13039\/100000060","name":"HHS | NIH | National Institute of Allergy and Infectious Diseases","doi-asserted-by":"publisher","award":["AI102546"],"award-info":[{"award-number":["AI102546"]}],"id":[{"id":"10.13039\/100000060","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["J Virol"],"published-print":{"date-parts":[[2016,8,15]]},"abstract":"<jats:title>ABSTRACT<\/jats:title>\n          <jats:p>Varicella-zoster virus (VZV) is an alphaherpesvirus that causes varicella and herpes zoster. Membrane fusion is essential for VZV entry and the distinctive syncytium formation in VZV-infected skin and neuronal tissue. Herpesvirus fusion is mediated by a complex of glycoproteins gB and gH-gL, which are necessary and sufficient for VZV to induce membrane fusion. However, the cellular requirements of fusion are poorly understood. Integrins have been implicated to facilitate entry of several human herpesviruses, but their role in VZV entry has not yet been explored. To determine the involvement of integrins in VZV fusion, a quantitative cell-cell fusion assay was developed using a VZV-permissive melanoma cell line. The cells constitutively expressed a reporter protein and short hairpin RNAs (shRNAs) to knock down the expression of integrin subunits shown to be expressed in these cells by RNA sequencing. The \u03b1V integrin subunit was identified as mediating VZV gB\/gH-gL fusion, as its knockdown by shRNAs reduced fusion levels to 60% of that of control cells. A comparable reduction in fusion levels was observed when an anti-\u03b1V antibody specific to its extracellular domain was tested in the fusion assay, confirming that the domain was important for VZV fusion. In addition, reduced spread was observed in \u03b1V knockdown cells infected with the VZV pOka strain relative to that of the control cells. This was demonstrated by reductions in plaque size, replication kinetics, and virion entry in the \u03b1V subunit knockdown cells. Thus, the \u03b1V integrin subunit is important for VZV gB\/gH-gL fusion and infection.<\/jats:p>\n          <jats:p>\n            <jats:bold>IMPORTANCE<\/jats:bold>\n            Varicella-zoster virus (VZV) is a highly infectious pathogen that causes chickenpox and shingles. A common complication of shingles is the excruciating condition called postherpetic neuralgia, which has proven difficult to treat. While a vaccine is now available, it is not recommended for immunocompromised individuals and its efficacy decreases with the recipient's age. These limitations highlight the need for new therapies. This study examines the role of integrins in membrane fusion mediated by VZV glycoproteins gB and gH-gL, a required process for VZV infection. This knowledge will further the understanding of VZV entry and provide insight into the development of better therapies.\n          <\/jats:p>","DOI":"10.1128\/jvi.00792-16","type":"journal-article","created":{"date-parts":[[2016,6,9]],"date-time":"2016-06-09T04:05:43Z","timestamp":1465445143000},"page":"7567-7578","update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":28,"title":["Role for the \u03b1V Integrin Subunit in Varicella-Zoster Virus-Mediated Fusion and Infection"],"prefix":"10.1128","volume":"90","author":[{"given":"Edward","family":"Yang","sequence":"first","affiliation":[{"name":"Departments of Pediatrics and Microbiology &amp; Immunology, Stanford University School of Medicine, Stanford, California, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ann M.","family":"Arvin","sequence":"additional","affiliation":[{"name":"Departments of Pediatrics and Microbiology &amp; Immunology, Stanford University School of Medicine, Stanford, California, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Stefan L.","family":"Oliver","sequence":"additional","affiliation":[{"name":"Departments of Pediatrics and Microbiology &amp; Immunology, Stanford University School of Medicine, Stanford, California, USA"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"235","reference":[{"key":"e_1_3_2_2_2","first-page":"2015","volume-title":"Fields virology","author":"Arvin AM","year":"2013","unstructured":"Arvin AM, GIlden D. 2013. 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