{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,4,14]],"date-time":"2026-04-14T06:11:22Z","timestamp":1776147082012,"version":"3.50.1"},"reference-count":43,"publisher":"American Physiological Society","issue":"2","funder":[{"DOI":"10.13039\/100000050","name":"HHS | NIH | National Heart, Lung, and Blood Institute (NHBLI)","doi-asserted-by":"publisher","award":["HL-55324"],"award-info":[{"award-number":["HL-55324"]}],"id":[{"id":"10.13039\/100000050","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000050","name":"HHS | NIH | National Heart, Lung, and Blood Institute (NHBLI)","doi-asserted-by":"publisher","award":["HL-61610"],"award-info":[{"award-number":["HL-61610"]}],"id":[{"id":"10.13039\/100000050","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100000050","name":"HHS | NIH | National Heart, Lung, and Blood Institute (NHBLI)","doi-asserted-by":"publisher","award":["F32HL-114335"],"award-info":[{"award-number":["F32HL-114335"]}],"id":[{"id":"10.13039\/100000050","id-type":"DOI","asserted-by":"publisher"}]},{"DOI":"10.13039\/100004856","name":"New York State Department of Health (NYSDOH)","doi-asserted-by":"publisher","award":["CO24351"],"award-info":[{"award-number":["CO24351"]}],"id":[{"id":"10.13039\/100004856","id-type":"DOI","asserted-by":"publisher"}]},{"name":"Albert and Elizabeth Rekate Fund"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["American Journal of Physiology-Heart and Circulatory Physiology"],"published-print":{"date-parts":[[2019,8,1]]},"abstract":"<jats:p> Intracoronary cardiosphere-derived cells (icCDCs) infused into the infarct-related artery reduce scar volume but do not improve left ventricular (LV) ejection fraction (LVEF). We tested the hypothesis that this reflects the inability of regional delivery to prevent myocyte death or promote myocyte proliferation in viable myocardium remote from the infarct. Swine ( n = 23) pretreated with oral cyclosporine (200 mg\/day) underwent a 1-h left anterior descending coronary artery (LAD) occlusion, which reduced LVEF from 61.6\u2009\u00b1\u20091.0 to 45.3\u2009\u00b1\u20091.5% 30 min after reperfusion. At that time, animals received global infusion of allogeneic icCDCs ( n = 8), regional infusion of icCDCs restricted to the LAD using the stop-flow technique ( n = 8), or vehicle ( n = 7). After 1 mo, global icCDCs increased LVEF from 44.8\u2009\u00b1\u20091.9 to 60.8\u2009\u00b1\u20093.8% ( P &lt; 0.05) with no significant change after LAD stop-flow icCDCs (44.8\u2009\u00b1\u20093.6 to 50.9\u2009\u00b1\u20093.1%) or vehicle (46.5\u2009\u00b1\u20092.5 to 47.7\u2009\u00b1\u20092.6%). In contrast, global icCDCs did not alter infarct volume (%LV mass) assessed at 2 days (11.2\u2009\u00b1\u20092.3 vs. 12.6\u2009\u00b1\u20092.3%), whereas it was reduced after LAD stop-flow icCDCs (7.1\u2009\u00b1\u20091.1%, P &lt; 0.05). Histopathological analysis of remote myocardium after global icCDCs demonstrated a significant increase in myocyte proliferation (147\u2009\u00b1\u200932 vs. 14\u2009\u00b1\u200910 nuclei\/10<jats:sup>6<\/jats:sup> myocytes, P &lt; 0.05) and a reduction in myocyte apoptosis (15\u2009\u00b1\u20099 vs. 46\u2009\u00b1\u200910 nuclei\/10<jats:sup>6<\/jats:sup> myocytes, P &lt; 0.05) that increased myocyte nuclear density (1,264\u2009\u00b1\u200939 vs. 1,157\u2009\u00b1\u200933 nuclei\/mm<jats:sup>2<\/jats:sup>, P &lt; 0.05) and decreased myocyte diameter (13.2\u2009\u00b1\u20090.2 vs. 14.5\u2009\u00b1\u20090.3 \u03bcm, P &lt; 0.05) compared with vehicle-treated controls. In contrast, remote zone changes after regional LAD icCDCs were no different from vehicle. These data indicate that changes in global LVEF after icCDCs are dependent upon preventing myocyte loss and hypertrophy in myocardium remote from the infarct. These arise from stimulating myocyte proliferation and reducing myocyte apoptosis indicating the importance of directing cell therapy to viable remote regions. <\/jats:p><jats:p> NEW &amp; NOTEWORTHY Administration of allogeneic cardiosphere-derived cells to the entire heart via global intracoronary infusion shortly after myocardial infarction favorably influenced left ventricular ejection fraction by preventing myocyte death and promoting myocyte proliferation in remote, noninfarcted myocardium in swine. In contrast, regional intracoronary cell infusion did not significantly affect remote zone myocyte remodeling. Global cell administration targeting viable myocardium remote from the infarct may be an effective approach to prevent adverse ventricular remodeling after myocardial infarction. <\/jats:p>","DOI":"10.1152\/ajpheart.00124.2019","type":"journal-article","created":{"date-parts":[[2019,5,24]],"date-time":"2019-05-24T13:33:37Z","timestamp":1558704817000},"page":"H345-H356","source":"Crossref","is-referenced-by-count":17,"title":["Nonocclusive multivessel intracoronary infusion of allogeneic cardiosphere-derived cells early after reperfusion prevents remote zone myocyte loss and improves global left ventricular function in swine with myocardial infarction"],"prefix":"10.1152","volume":"317","author":[{"given":"Gen","family":"Suzuki","sequence":"first","affiliation":[{"name":"Department of Medicine, University at Buffalo, Buffalo, New York"},{"name":"Clinical and Translational Research Institute, University at Buffalo, Buffalo, New 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