{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,30]],"date-time":"2026-09-30T00:14:53Z","timestamp":1790727293674,"version":"4.1.0"},"reference-count":39,"publisher":"Wiley","issue":"6","license":[{"start":{"date-parts":[[2019,3,29]],"date-time":"2019-03-29T00:00:00Z","timestamp":1553817600000},"content-version":"vor","delay-in-days":0,"URL":"http:\/\/onlinelibrary.wiley.com\/termsAndConditions#vor"}],"funder":[{"name":"Grants-in-Aid for Young Scientists","award":["24790547"],"award-info":[{"award-number":["24790547"]}]},{"name":"Grants-in-Aid for Young Scientists","award":["26860377"],"award-info":[{"award-number":["26860377"]}]},{"name":"Grants-in-Aid for Scientific Research","award":["16K08951"],"award-info":[{"award-number":["16K08951"]}]},{"name":"Grants-in-Aid for Scientific Research","award":["15KK0329"],"award-info":[{"award-number":["15KK0329"]}]},{"name":"Grants-in-Aid for Scientific Research","award":["16K08926"],"award-info":[{"award-number":["16K08926"]}]},{"DOI":"10.13039\/501100001700","name":"Ministry of Education, Culture, Sports, Science and Technology of Japan","doi-asserted-by":"crossref","id":[{"id":"10.13039\/501100001700","id-type":"DOI","asserted-by":"crossref"}]}],"content-domain":{"domain":["onlinelibrary.wiley.com"],"crossmark-restriction":true},"short-container-title":["Clin Experimental Allergy"],"published-print":{"date-parts":[[2019,6]]},"abstract":"<jats:title>Summary<\/jats:title><jats:sec><jats:title>Background<\/jats:title><jats:p>Excessive eosinophil airway infiltration is a clinically critical condition in some cases. Eosinophilic pneumonia (EP) is a pulmonary condition involving eosinophil infiltration of the lungs. Although several chemokines, including eotaxin\u20101 (CCL11), RANTES (CCL5) and macrophage inflammatory protein 1\u03b2 (MIP\u20101\u03b2 or CCL4), have been detected in bronchoalveolar lavage fluid (BALF) from patients with EP, the pathophysiological mechanisms underlying EP, including potential relationships between eosinophils and CCL4, have not been fully elucidated.<\/jats:p><\/jats:sec><jats:sec><jats:title>Objective<\/jats:title><jats:p>To examine the involvement of CCL4 in eosinophilic airway inflammation.<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We analysed supernatants of activated eosinophils and BALF from 16 patients with eosinophilic pneumonia (EP). Further, we examined the effects of CCL4 on eosinophil functions in vitro and those of anti\u2010CCL4 neutralizing antibody in an in vivo model.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results<\/jats:title><jats:p>We found that purified human eosinophils stimulated with IL\u20105 predominantly secreted CCL4 and that patients with EP had elevated CCL11 and CCL4 levels in BALF compared with samples from individuals without EP. Because CCL4 levels were more strongly correlated with eosinophil count and expression of eosinophil granule proteins than CCL11, in vitro experiments using purified eosinophils concentrated on the former chemokine. Interestingly, CCL4 acted as a chemoattractant for eosinophils. In a mouse model, administration of a CCL4\u2010neutralizing antibody attenuated eosinophilic airway infiltration and airway hyperresponsiveness.<\/jats:p><\/jats:sec><jats:sec><jats:title>Conclusions and Clinical Relevance<\/jats:title><jats:p>Overall, these findings highlight an important role of CCL4 in the mechanisms underlying eosinophil recruitment into the airway and may provide a novel insight into this potential therapeutic target.<\/jats:p><\/jats:sec>","DOI":"10.1111\/cea.13382","type":"journal-article","created":{"date-parts":[[2019,3,11]],"date-time":"2019-03-11T00:59:42Z","timestamp":1552265982000},"page":"853-860","update-policy":"https:\/\/doi.org\/10.1002\/crossmark_policy","source":"Crossref","is-referenced-by-count":35,"title":["Critical role of CCL4 in eosinophil recruitment into the airway"],"prefix":"10.1111","volume":"49","author":[{"ORCID":"https:\/\/orcid.org\/0000-0003-3755-3074","authenticated-orcid":false,"given":"Yoshiki","family":"Kobayashi","sequence":"first","affiliation":[{"name":"Airway Disease Section, Department of Otolaryngology Kansai Medical University Osaka Japan"},{"name":"Allergy Center Kansai Medical University Hospital Osaka Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yasunori","family":"Konno","sequence":"additional","affiliation":[{"name":"Department of General Medical Practice and Laboratory Diagnostic Medicine Akita University Graduate School of Medicine Akita Japan"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Akira","family":"Kanda","sequence":"additional","affiliation":[{"name":"Airway Disease Section, Department of Otolaryngology Kansai Medical University Osaka Japan"},{"name":"Allergy Center Kansai Medical University Hospital Osaka 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