{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,28]],"date-time":"2026-09-28T23:42:12Z","timestamp":1790638932007,"version":"4.1.0"},"reference-count":118,"publisher":"American Society for Clinical Investigation","issue":"14","license":[{"start":{"date-parts":[[2024,7,15]],"date-time":"2024-07-15T00:00:00Z","timestamp":1721001600000},"content-version":"vor","delay-in-days":41,"URL":"http:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/100000002","name":"National Institutes of Health","doi-asserted-by":"crossref","award":["R01AI162711,AI165391,AI118684,P30DK050306"],"award-info":[{"award-number":["R01AI162711,AI165391,AI118684,P30DK050306"]}],"id":[{"id":"10.13039\/100000002","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2024,7,15]]},"abstract":"<jats:p>\n                    Cutaneous leishmaniasis caused by\n                    <jats:italic>Leishmania<\/jats:italic>\n                    parasites exhibits a wide range of clinical manifestations. Although parasites influence disease severity, cytolytic CD8\n                    <jats:sup>+<\/jats:sup>\n                    T cell responses mediate disease. Although these responses originate in the lymph node, we found that expression of the cytolytic effector molecule granzyme B was restricted to lesional CD8\n                    <jats:sup>+<\/jats:sup>\n                    T cells in\n                    <jats:italic>Leishmania<\/jats:italic>\n                    -infected mice, suggesting that local cues within inflamed skin induced cytolytic function. Expression of Blimp-1 (\n                    <jats:italic>Prdm1<\/jats:italic>\n                    ), a transcription factor necessary for cytolytic CD8\n                    <jats:sup>+<\/jats:sup>\n                    T cell differentiation, was driven by hypoxia within the inflamed skin. Hypoxia was further enhanced by the recruitment of neutrophils that consumed oxygen to produce ROS and ultimately increased the hypoxic state and granzyme B expression in CD8\n                    <jats:sup>+<\/jats:sup>\n                    T cells. Importantly, lesions from patients with cutaneous leishmaniasis exhibited hypoxia transcription signatures that correlated with the presence of neutrophils. Thus, targeting hypoxia-driven signals that support local differentiation of cytolytic CD8\n                    <jats:sup>+<\/jats:sup>\n                    T cells may improve the prognosis for patients with cutaneous leishmaniasis, as well as for other inflammatory skin diseases in which cytolytic CD8\n                    <jats:sup>+<\/jats:sup>\n                    T cells contribute to pathogenesis.\n                  <\/jats:p>","DOI":"10.1172\/jci177992","type":"journal-article","created":{"date-parts":[[2024,6,5]],"date-time":"2024-06-05T15:18:35Z","timestamp":1717600715000},"source":"Crossref","is-referenced-by-count":25,"title":["Neutrophil-mediated hypoxia drives pathogenic CD8+ T cell responses in cutaneous leishmaniasis"],"prefix":"10.1172","volume":"134","author":[{"given":"Erin A.","family":"Fowler","sequence":"first","affiliation":[{"name":"Department of Microbial Infection and Immunity, College of Medicine, The Ohio State University, Columbus, Ohio, 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