{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,1,23]],"date-time":"2026-01-23T15:21:56Z","timestamp":1769181716522,"version":"3.49.0"},"reference-count":61,"publisher":"Oxford University Press (OUP)","issue":"2","license":[{"start":{"date-parts":[[2007,7,1]],"date-time":"2007-07-01T00:00:00Z","timestamp":1183248000000},"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":[[2007,7,15]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>Airway eosinophilia plays a major role in the pathogenesis of asthma with the inhibition of apoptosis by GM-CSF and IL-5 proposed as a mechanism underlying prolonged eosinophil survival. In vivo and ex vivo studies have indicated the capacity of interventions that drive human eosinophil apoptosis to promote the resolution of inflammation. Far less is known about the impact of transendothelial migration on eosinophil survival, in particular, the capacity of endothelial cell-derived factors to contribute toward the apoptosis-resistant phenotype characteristic of airway-resident eosinophils. We examined the effects of conditioned medium from human pulmonary artery endothelial cells (HPAEC-CM) on eosinophil apoptosis in vitro. HPAEC-CM inhibited eosinophil, but not neutrophil apoptosis. This effect was specific to HPAECs and comparable in efficacy to the survival effects of GM-CSF and IL-5. The HPAEC survival factor was shown, on the basis of GM-CSF, IL-5, and IL-3 detection assays, Ab neutralization, and sensitivity to PI3K inhibition, to be clearly discrete from these factors. Gel filtration of HPAEC-CM revealed a peak of eosinophil survival activity at 8\u201312 kDa, and PCR confirmed the presence of mRNA for CCL5, CCL11, CCL24, CCL26, and CCL27 in the HPAECs. The CCR3 antagonist GW782415 caused a major inhibition of the HPAEC-CM-induced survival effect, and Ab neutralization of individual CCR3 chemokines revealed CCL11 as the major survival factor present in the HPAEC-CM. Furthermore, chemokine Ab arrays demonstrated up-regulation of CCL11 in HPAEC-CM. These data demonstrate the capacity of HPAECs to generate CCR3 agonists and the ability of CCL11 to inhibit human eosinophil apoptosis.<\/jats:p>","DOI":"10.4049\/jimmunol.179.2.1264","type":"journal-article","created":{"date-parts":[[2014,4,18]],"date-time":"2014-04-18T23:08:33Z","timestamp":1397862513000},"page":"1264-1273","source":"Crossref","is-referenced-by-count":26,"title":["Eotaxin-1\/CC Chemokine Ligand 11: A Novel Eosinophil Survival Factor Secreted by Human Pulmonary Artery Endothelial Cells"],"prefix":"10.1093","volume":"179","author":[{"given":"Neda","family":"Farahi","sequence":"first","affiliation":[{"name":"Division of Respiratory Medicine, Department of Medicine, University of Cambridge School of Clinical Medicine, Addenbrooke\u2019s and Papworth Hospitals , Cambridge ,","place":["United Kingdom"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Andrew S","family":"Cowburn","sequence":"additional","affiliation":[{"name":"Division of Respiratory Medicine, Department of Medicine, University of Cambridge School of Clinical Medicine, Addenbrooke\u2019s and Papworth Hospitals , Cambridge ,","place":["United Kingdom"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Paul D","family":"Upton","sequence":"additional","affiliation":[{"name":"Division of Respiratory Medicine, Department of Medicine, University of Cambridge School of Clinical Medicine, Addenbrooke\u2019s and Papworth Hospitals , Cambridge ,","place":["United Kingdom"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"John","family":"Deighton","sequence":"additional","affiliation":[{"name":"Division of Respiratory Medicine, Department of Medicine, University of Cambridge School of Clinical Medicine, Addenbrooke\u2019s and Papworth Hospitals , Cambridge ,","place":["United Kingdom"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Anastasia","family":"Sobolewski","sequence":"additional","affiliation":[{"name":"Division of Respiratory Medicine, Department of Medicine, University of Cambridge School of Clinical Medicine, Addenbrooke\u2019s and Papworth Hospitals , Cambridge ,","place":["United Kingdom"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Ermanno","family":"Gherardi","sequence":"additional","affiliation":[{"name":"Medical Research Council Laboratory of Molecular Biology , Cambridge ,","place":["United Kingdom"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Nicholas W","family":"Morrell","sequence":"additional","affiliation":[{"name":"Division of Respiratory Medicine, Department of Medicine, University of Cambridge School of Clinical Medicine, Addenbrooke\u2019s and Papworth Hospitals , Cambridge ,","place":["United Kingdom"]}],"role":[{"role":"author","vocabulary":"crossref"}]},{"given":"Edwin R","family":"Chilvers","sequence":"additional","affiliation":[{"name":"Division of Respiratory Medicine, Department of Medicine, University of Cambridge School of Clinical Medicine, Addenbrooke\u2019s and Papworth Hospitals , Cambridge ,","place":["United Kingdom"]}],"role":[{"role":"author","vocabulary":"crossref"}]}],"member":"286","published-online":{"date-parts":[[2007,7,15]]},"reference":[{"key":"2025032701452236900_R1","first-page":"1033","volume-title":"N. 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