{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,3,21]],"date-time":"2026-03-21T21:27:14Z","timestamp":1774128434355,"version":"3.50.1"},"reference-count":41,"publisher":"Rockefeller University Press","issue":"3","license":[{"start":{"date-parts":[[2019,2,11]],"date-time":"2019-02-11T00:00:00Z","timestamp":1549843200000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/www.rupress.org\/terms\/"},{"start":{"date-parts":[[2019,9,2]],"date-time":"2019-09-02T00:00:00Z","timestamp":1567382400000},"content-version":"vor","delay-in-days":203,"URL":"https:\/\/creativecommons.org\/licenses\/by-nc-sa\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100012652","name":"ETH Zurich","doi-asserted-by":"publisher","id":[{"id":"10.13039\/501100012652","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/501100001711","name":"Swiss National Science Foundation","doi-asserted-by":"publisher","award":["CR5113_147662"],"award-info":[{"award-number":["CR5113_147662"]}],"id":[{"id":"10.13039\/501100001711","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["rupress.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2019,3,4]]},"abstract":"<jats:p>Chronic viral infections are widespread among humans, with \u223c8\u201312 chronic viral infections per individual, and there is epidemiological proof that these impair heterologous immunity. We studied the impact of chronic LCMV infection on the phenotype and function of memory bystander CD8+ T cells. Active chronic LCMV infection had a profound effect on total numbers, phenotype, and function of memory bystander T cells in mice. The phenotypic changes included up-regulation of markers commonly associated with effector and exhausted cells and were induced by IL-6 in a STAT1-dependent manner in the context of chronic virus infection. Furthermore, bystander CD8 T cell functions were reduced with respect to their ability to produce inflammatory cytokines and to undergo secondary expansion upon cognate antigen challenge with major cell-extrinsic contributions responsible for the diminished memory potential of bystander CD8+ T cells. These findings open new perspectives for immunity and vaccination during chronic viral infections.<\/jats:p>","DOI":"10.1084\/jem.20181589","type":"journal-article","created":{"date-parts":[[2019,2,11]],"date-time":"2019-02-11T19:45:17Z","timestamp":1549914317000},"page":"571-586","update-policy":"https:\/\/doi.org\/10.1084\/jem.crossmarkpolicy","source":"Crossref","is-referenced-by-count":22,"title":["Chronic virus infection compromises memory bystander T cell function in an IL-6\/STAT1-dependent manner"],"prefix":"10.1084","volume":"216","author":[{"given":"Isabel","family":"Barnstorf","sequence":"first","affiliation":[{"name":"Institute of Microbiology, ETH Z\u00fcrich, Z\u00fcrich, Switzerland 1"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Mariana","family":"Borsa","sequence":"additional","affiliation":[{"name":"Institute of Microbiology, ETH Z\u00fcrich, Z\u00fcrich, Switzerland 1"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nicolas","family":"Baumann","sequence":"additional","affiliation":[{"name":"Institute of Microbiology, ETH Z\u00fcrich, Z\u00fcrich, Switzerland 1"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Katharina","family":"Pallmer","sequence":"additional","affiliation":[{"name":"Institute of Microbiology, ETH Z\u00fcrich, Z\u00fcrich, Switzerland 1"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Alexander","family":"Yermanos","sequence":"additional","affiliation":[{"name":"Institute of Microbiology, ETH Z\u00fcrich, Z\u00fcrich, Switzerland 1"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1996-1672","authenticated-orcid":true,"given":"Nicole","family":"Joller","sequence":"additional","affiliation":[{"name":"Institute of Experimental Immunology, University of Z\u00fcrich, Z\u00fcrich, Switzerland 2"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9277-6997","authenticated-orcid":true,"given":"Roman","family":"Sp\u00f6rri","sequence":"additional","affiliation":[{"name":"Institute of Microbiology, ETH Z\u00fcrich, Z\u00fcrich, Switzerland 1"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Suzanne P.M.","family":"Welten","sequence":"additional","affiliation":[{"name":"Institute of Microbiology, ETH Z\u00fcrich, Z\u00fcrich, Switzerland 1"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-2014-5971","authenticated-orcid":true,"given":"Nike J.","family":"Kr\u00e4utler","sequence":"additional","affiliation":[{"name":"Institute of Microbiology, ETH Z\u00fcrich, Z\u00fcrich, Switzerland 1"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"ORCID":"https:\/\/orcid.org\/0000-0002-2079-2354","authenticated-orcid":true,"given":"Annette","family":"Oxenius","sequence":"additional","affiliation":[{"name":"Institute of Microbiology, ETH Z\u00fcrich, Z\u00fcrich, Switzerland 1"}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"291","published-online":{"date-parts":[[2019,2,11]]},"reference":[{"key":"2023072604514904300_bib1","doi-asserted-by":"publisher","first-page":"4284","DOI":"10.4049\/jimmunol.176.7.4284","article-title":"IFN-induced attrition of CD8 T cells in the presence or absence of cognate antigen during the early stages of viral infections","volume":"176","author":"Bahl","year":"2006","journal-title":"J.                        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