{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,20]],"date-time":"2026-01-20T07:48:15Z","timestamp":1768895295582,"version":"3.49.0"},"reference-count":53,"publisher":"American Society for Microbiology","issue":"18","license":[{"start":{"date-parts":[[2020,8,31]],"date-time":"2020-08-31T00:00:00Z","timestamp":1598832000000},"content-version":"tdm","delay-in-days":0,"URL":"https:\/\/journals.asm.org\/non-commercial-tdm-license"}],"funder":[{"DOI":"10.13039\/501100001659","name":"Deutsche Forschungsgemeinschaft","doi-asserted-by":"publisher","award":["KR2913\/2-1"],"award-info":[{"award-number":["KR2913\/2-1"]}],"id":[{"id":"10.13039\/501100001659","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["journals.asm.org"],"crossmark-restriction":true},"short-container-title":["J Virol"],"published-print":{"date-parts":[[2020,8,31]]},"abstract":"<jats:p>\n            Checkpoint inhibitors are effective immunotherapeutics to restore cancer- and virus-induced exhausted CD8\n            <jats:sup>+<\/jats:sup>\n            T cells, by enhancing the quality and survival of immune responses. Although checkpoint inhibitors are already used as therapy against various cancers, not much is known about their multifaceted impact on the exhausted CD8\n            <jats:sup>+<\/jats:sup>\n            T cell receptor (TCR) repertoire. This report describes for the first time the evolvement of an exhausted antigen-specific CD8\n            <jats:sup>+<\/jats:sup>\n            TCR repertoire under checkpoint inhibitor treatment. By using a well-established virus model, we were able to show major shifts toward oligoclonality of the CD8\n            <jats:sup>+<\/jats:sup>\n            TCR repertoire response against a massively exhausted lymphocytic choriomeningitis virus (LCMV) epitope. While supporting viral control in the LCMV model, oligoclonality and more private of TCR repertoires may impact future pathogenic challenges and may promote viral escape. Our results may explain the ongoing problems of viral escapes, unpredictable autoimmunity, and heterogeneous responses appearing as adverse effects of checkpoint inhibitor treatments.\n          <\/jats:p>","DOI":"10.1128\/jvi.00795-20","type":"journal-article","created":{"date-parts":[[2020,7,7]],"date-time":"2020-07-07T13:15:03Z","timestamp":1594127703000},"update-policy":"https:\/\/doi.org\/10.1128\/asmj-crossmark-policy-page","source":"Crossref","is-referenced-by-count":8,"title":["PD-L1 Checkpoint Inhibition Narrows the Antigen-Specific T Cell Receptor Repertoire in Chronic Lymphocytic Choriomeningitis Virus Infection"],"prefix":"10.1128","volume":"94","author":[{"given":"S.","family":"Klein","sequence":"first","affiliation":[{"name":"Department of Gastroenterology, Hepatology, and Endocrinology, Hannover Medical School, Hannover, Germany"},{"name":"Twincore, Centre for Experimental and Clinical Infection Research, Hannover, Germany"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"D.","family":"Ghersi","sequence":"additional","affiliation":[{"name":"School of Interdisciplinary Informatics, College of Information Science &amp; Technology, University of Nebraska at Omaha, Omaha, Nebraska, USA"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"M. 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