{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,20]],"date-time":"2026-10-20T17:14:21Z","timestamp":1792516461335,"version":"4.5.0"},"reference-count":40,"publisher":"Oxford University Press (OUP)","issue":"4","license":[{"start":{"date-parts":[[2022,4,1]],"date-time":"2022-04-01T00:00:00Z","timestamp":1648771200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/pages\/standard-publication-reuse-rights"}],"funder":[{"DOI":"10.13039\/100008792","name":"Novartis Pharma","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100008792","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100004339","name":"Sanofi","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100004339","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100008792","name":"Novartis Pharma","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100008792","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100004339","name":"Sanofi","doi-asserted-by":"publisher","id":[{"id":"10.13039\/100004339","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["www.atsjournals.org"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2022,4,1]]},"abstract":"<jats:title>Abstract<\/jats:title>\n                  <jats:p>Lung function deterioration is significantly associated with poor prognosis in patients with chronic obstructive pulmonary disease (COPD). We previously reported that CC chemokine ligand 17\/thymus and activation-regulated chemokine (CCL17\/TARC) could be a predictive factor of lung function decline in patients with COPD. However, the role of CCL17 in the pathogenesis of COPD is unclear. Here we examined the role of CCL17 in lung inflammation using mouse COPD models. Exposure to cigarette smoking induced CCL17 production in bronchial epithelial cells and accumulation of alveolar macrophages in the lungs. Intranasal administration of recombinant CCL17 further enhanced cigarette smoke-induced macrophage accumulation and also aggravated elastase-induced pulmonary emphysema. We confirmed that cigarette smoke (CS) extract as well as hydrogen peroxide upregulated CCL17 in BAES-2B cells. Of note, macrophages of both M1 and M2 surface markers were accumulated by cigarette smoke. Both alveolar macrophage accumulation via exposure to cigarette smoking and emphysematous changes induced by elastase administration were significantly reduced in CCL17-deficient mice. We further demonstrated that CCL17 strongly induced the expression of CC chemokine ligand 2 (CCL2), a chemoattractant for macrophages, in RAW264.7 cells, and its production was inhibited by knockdown of CCR4, the receptor of CCL17. Collectively, the present results demonstrate that CCL17 is produced by lung epithelial cells upon CS exposure. Furthermore, CCL17 is involved in CS-induced accumulation of alveolar macrophages and development of elastase-induced pulmonary emphysema, possibly through CCL17-induced production of CCL2 by macrophages. Our findings may provide a new insight into the pathogenesis of COPD.<\/jats:p>","DOI":"10.1165\/rcmb.2021-0069oc","type":"journal-article","created":{"date-parts":[[2022,1,26]],"date-time":"2022-01-26T16:13:45Z","timestamp":1643213625000},"page":"428-438","update-policy":"https:\/\/doi.org\/10.1164\/crossmarkpolicies","source":"Crossref","is-referenced-by-count":10,"title":["Role of CC Chemokine Ligand 17 in Mouse Models of Chronic Obstructive Pulmonary Disease"],"prefix":"10.1093","volume":"66","author":[{"given":"Hiroyoshi","family":"Machida","sequence":"first","affiliation":[{"name":"Department of Cardiology, Pulmonology, and Nephrology, and"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Sumito","family":"Inoue","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Pulmonology, and Nephrology, 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