{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,6,17]],"date-time":"2026-06-17T03:04:51Z","timestamp":1781665491415,"version":"3.54.5"},"reference-count":30,"publisher":"Portland Press Ltd.","issue":"1","license":[{"start":{"date-parts":[[2019,7,18]],"date-time":"2019-07-18T00:00:00Z","timestamp":1563408000000},"content-version":"vor","delay-in-days":198,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":["portlandpress.com"],"crossmark-restriction":true},"short-container-title":[],"published-print":{"date-parts":[[2019,1,31]]},"abstract":"<jats:title>Abstract<\/jats:title>\n               <jats:p>To evaluate the role of glycogen synthase kinase-3\u03b2 (GSK-3\u03b2) in the apoptosis of cardiomyocytes in diabetic cardiomyopathy (DCM). Diabetes mellitus (DM) in rats was induced by intraperitoneal injection of 1% streptozotocin (STZ), and lithium chloride (LiCl) was used to decrease the expression of GSK-3\u03b2. Hematoxylin\/eosin (HE) staining and the terminal deoxyribonucleotide transferase-mediated dUTP-digoxigenin nick end labeling (TUNEL) assay was conducted to evaluate the pathological injury and apoptosis of cardiomyocytes respectively. Western blot was applied to detect the protein expressions of Cleaved-caspase 3, caspase 3, Bax and Bcl-2 in rat cardiomyocytes. Real-time polymerase chain reaction (RT-PCR) was applied to detect the gene expressions of phosphoinositide 3-kinases (PI3K), Akt, and GSK-3\u03b2 in rat cardiomyocytes. DM-induced cardiomyocyte injuries, which were presented as capillary basement membrane thickening, interstitial fibrosis, cardiomyocyte hypertrophy and necrosis in HE staining and increased apoptosis detected by TUNEL assay. When comparing with the control group, the mRNA expression of PI3K and Akt in DM group obviously decreased but the mRNA expression of GSK-3\u03b2 obviously elevated (P\u2009&amp;lt;\u20090.05). In addition, the ratio of Cleaved-caspase 3\/caspase 3 and Bax\/Bcl-2 were notably increased in DM group compared with control group (P\u2009&amp;lt;\u20090.05). LiCl, as an inhibitor of GSK-3 apparently reduced the expression of GSK-3\u03b2 mRNA (P\u2009&amp;lt;\u20090.05) but not the PI3K and Akt comparing with the DM group. LiCl also attenuated the myocardial injury and apoptosis induced by DM. The myocardial injury induced by DM is associated with the up-regulation of GSK-3\u03b2. LiCl inhibited the expression of GSK-3\u03b2 and myocardial apoptosis in diabetic myocardium.<\/jats:p>","DOI":"10.1042\/bsr20171307","type":"journal-article","created":{"date-parts":[[2018,9,20]],"date-time":"2018-09-20T12:24:59Z","timestamp":1537446299000},"update-policy":"https:\/\/doi.org\/10.1042\/crossmark_policy","source":"Crossref","is-referenced-by-count":19,"title":["Apoptosis of cardiomyocytes in diabetic cardiomyopathy involves overexpression of glycogen synthase kinase-3\u03b2"],"prefix":"10.1042","volume":"39","author":[{"given":"Wei","family":"Wu","sequence":"first","affiliation":[{"name":"Emergency Medicine, The First Hospital of China Medical University, Shenyang Liaoning Province, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xingxing","family":"Liu","sequence":"additional","affiliation":[{"name":"Emergency Medicine, The First Hospital of China Medical University, Shenyang Liaoning Province, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Longfei","family":"Han","sequence":"additional","affiliation":[{"name":"Emergency Medicine, The First Hospital of China Medical University, Shenyang Liaoning Province, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"288","published-online":{"date-parts":[[2019,1,3]]},"reference":[{"key":"2021111617015280500_B1","doi-asserted-by":"publisher","first-page":"616","DOI":"10.1038\/nrendo.2016.105","article-title":"Diabetes mellitus statistics on prevalence and mortality: facts and fallacies","volume":"12","author":"Zimmet","year":"2016","journal-title":"Nat. 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