{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2025,7,1]],"date-time":"2025-07-01T20:52:57Z","timestamp":1751403177278,"version":"3.37.3"},"reference-count":33,"publisher":"Wiley","issue":"2","license":[{"start":{"date-parts":[[2021,1,11]],"date-time":"2021-01-11T00:00:00Z","timestamp":1610323200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Microbiology and Immunology"],"published-print":{"date-parts":[[2021,2]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:p>To examine the cross\u2010talk between NK cells and DCs in hepatitis C virus (HCV) infection, we isolated monocytes and NK cells from 20 chronic HCV patients and 20 healthy controls. Monocytes were used to generate immature DCs which were pulsed with HCV peptides (core, NS3\u2013NS4, and NS5). Four different cocultures were carried out: E1, both DCs and NK cells were from a chronic HCV patient; E2, NK cells from a healthy control cocultured with DCs from a chronic HCV patient; E3, NK cells from a chronic HCV patient cocultured with DCs from a healthy control; and E4, both DCs and NK cells were from a healthy control. Using flow cytometry, we assessed the effect of these different cocultures on levels of maturation markers on DCs and levels of activation\/inhibition markers on NK cells. Results showed that peptide\u2010pulsed HCV DCs showed a maturation defect in the form of decreased HLA\u2010DR, decreased CD86, and increased CD83 expression especially when cocultured with HCV NK. This was mainly due to core peptide pulsing and to a lesser extent due to NS5 pulsing, whereas there was no effect with NS3\u2013NS4 pulsing. Alternatively, HCV NK cells upregulated both activation and inhibition markers especially when cocultured with healthy DCs. Compared with E2, E1 resulted in higher apoptosis of both NK cells and DCs with the percentage of NK apoptosis higher than that of DCs. Taken together, the data indicate that HCV infection impairs NK\u2013DC cross\u2010talk which may be a leading cause in viral persistence and chronicity.<\/jats:p>","DOI":"10.1111\/1348-0421.12858","type":"journal-article","created":{"date-parts":[[2020,11,5]],"date-time":"2020-11-05T12:51:55Z","timestamp":1604580715000},"page":"76-84","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":3,"title":["Chronic hepatitis C virus infection impairs natural killer cells\u2013dendritic cells cross\u2010talk: An<i>in vitro<\/i>culture study"],"prefix":"10.1111","volume":"65","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-4738-9853","authenticated-orcid":false,"given":"Dina","family":"Ragab","sequence":"first","affiliation":[{"name":"Department of Clinical Pathology, Faculty of Medicine Ain Shams University Cairo 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