{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,2,19]],"date-time":"2026-02-19T20:47:32Z","timestamp":1771534052693,"version":"3.50.1"},"reference-count":42,"publisher":"Oxford University Press (OUP)","issue":"3","license":[{"start":{"date-parts":[[2011,9,1]],"date-time":"2011-09-01T00:00:00Z","timestamp":1314835200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2011,9,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Because patients with silicosis who are chronically exposed to silica particles develop not only pulmonary fibrosis, but also complications involving autoimmune diseases such as rheumatoid arthritis and systemic sclerosis, exposure to asbestos may affect the human immune system. This immunologic effect may impair antitumor immune function because cancer complications such as lung cancer and malignant mesothelioma are found in patients exposed to asbestos. To elucidate the antitumor immune status caused by CD4+ T cells exposed to asbestos, an in vitro T-cell model of long-term and low-level exposure to chrysotile asbestos was established from a human adult T-cell leukemia virus\u20131\u2013immortalized human polyclonal T cell line, MT-2, and the resulting six sublines showed resistance to asbestos-induced apoptosis after more than 8 months of continuous exposure. The results of DNA microarray analysis showed that the expression of 139 genes was altered by long-term and low-level exposure to asbestos, and the profile was almost similar among the six sublines when compared with the original MT-2 cells that had never been exposed to asbestos. Pathway and network analysis indicated a down-regulation of IFN-\u03b3 signaling and expression of CXC chemokine receptor 3 (CXCR3) in the sublines, whereas ELISA and flow cytometry analysis demonstrated a reduction in Th1-related IFN-\u03b3 production and cell-surface CXCR3 expression. These findings suggest that chronic exposure to asbestos may reduce antitumor immune status in CD4+ T cells, and that an in vitro T-cell model may be useful in identifying molecules related to the impairment of antitumor immune function.<\/jats:p>","DOI":"10.1165\/rcmb.2010-0213oc","type":"journal-article","created":{"date-parts":[[2010,12,10]],"date-time":"2010-12-10T22:29:46Z","timestamp":1292020186000},"page":"470-479","source":"Crossref","is-referenced-by-count":39,"title":["Reduction of CXC Chemokine Receptor 3 in an\n                    <i>In Vitro<\/i>\n                    Model of Continuous Exposure to Asbestos in a Human T-Cell Line, MT-2"],"prefix":"10.1093","volume":"45","author":[{"given":"Megumi","family":"Maeda","sequence":"first","affiliation":[{"name":"Department of Hygiene, Kawasaki Medical School, Okayama, Japan"}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Yasumitsu","family":"Nishimura","sequence":"additional","affiliation":[{"name":"Department 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