{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,5]],"date-time":"2026-09-05T05:54:43Z","timestamp":1788587683035,"version":"build-2803163510"},"reference-count":51,"publisher":"Oxford University Press (OUP)","issue":"2","license":[{"start":{"date-parts":[[2022,12,22]],"date-time":"2022-12-22T00:00:00Z","timestamp":1671667200000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/academic.oup.com\/journals\/pages\/open_access\/funder_policies\/chorus\/standard_publication_model"}],"funder":[{"DOI":"10.13039\/501100001809","name":"National Natural Science Foundation of China","doi-asserted-by":"publisher","award":["81871525"],"award-info":[{"award-number":["81871525"]}],"id":[{"id":"10.13039\/501100001809","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":[],"published-print":{"date-parts":[[2023,3,10]]},"abstract":"<jats:title>Abstract<\/jats:title><jats:sec><jats:title>Aims<\/jats:title><jats:p>Chronic alcohol misuse could cause alcoholic cardiomyopathy (ACM), and the specific mechanisms remained largely unknown. In this study, we aimed to explore the effects of endogenous ceramides on chronic ethanol-induced myocardial injury or cell loss (e.g. necroptosis).<\/jats:p><\/jats:sec><jats:sec><jats:title>Methods<\/jats:title><jats:p>We established chronic alcohol intoxication models in vivo (male C57BL\/6 mice) and in vitro (H9c2 cardiomyoblasts). The ceramide profiles were analyzed in mice myocardium and cultured cardiomyocytes. Further research on the role of ceramides and underlying signaling pathways was carried out in H9c2 cells.<\/jats:p><\/jats:sec><jats:sec><jats:title>Results and conclusions<\/jats:title><jats:p>The ceramide profiles analysis revealed increased long and very long\u2013chain ceramides in alcoholic myocardium and ethanol-treated cardiomyocytes. Next, we proved that endogenous ceramide inhibition could reduce necroptosis and alleviate cardiomyocytes injury as suggested by decreased levels of p-RIPK1, p-RIPK3 and p-MLKL proteins and cardiac injury factors expression. Furthermore, we found that lysosomal dysfunction also contributed to alcohol-induced cardiac damage and inhibiting ceramide biosynthesis could repaired this to some extent. Cells studies with exogenous C6 ceramide confirmed the pleotropic roles of ceramide in myocardial damage by causing both necroptosis and lysosomal dysfunction. Finally, our data suggested that lysosomal dysfunction could sensitize cardiomyocytes to induction of necroptosis due to the restriction on degradation of RIPK1\/RIPK3 proteins. In conclusion, chronic ethanol treatment boosted myocardial ceramide synthesis in animal hearts and cultured cardiomyocytes. Moreover, ceramides exerted crucial roles in the intrinsic signaling pathways of alcohol-induced cardiotoxicity. Targeting ceramide biosynthesis to simultaneously attenuate necroptosis and lysosomal dysfunction might be a novel strategy for preventing alcoholic cardiotoxicity.<\/jats:p><\/jats:sec>","DOI":"10.1093\/alcalc\/agac067","type":"journal-article","created":{"date-parts":[[2022,12,23]],"date-time":"2022-12-23T13:50:57Z","timestamp":1671803457000},"page":"164-174","source":"Crossref","is-referenced-by-count":6,"title":["Inhibition of Ceramide Synthesis Attenuates Chronic Ethanol Induced Cardiotoxicity by Restoring Lysosomal Function and Reducing Necroptosis"],"prefix":"10.1093","volume":"58","author":[{"given":"Qiupeng","family":"Xue","sequence":"first","affiliation":[{"name":"School of Basic Medical Sciences, Fudan University Department of Forensic Medicine, , 131 Dongan Road, Xuhui District, Shanghai 200032 , China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Tianyi","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Basic Medical Sciences, Fudan University Department of Forensic Medicine, , 131 Dongan Road, Xuhui District, Shanghai 200032 , China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rongzhe","family":"Zhu","sequence":"additional","affiliation":[{"name":"School of Basic Medical Sciences, Fudan University Department of Forensic Medicine, , 131 Dongan Road, Xuhui District, Shanghai 200032 , China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yile","family":"Qian","sequence":"additional","affiliation":[{"name":"School of Basic Medical Sciences, Fudan University Department of Forensic Medicine, , 131 Dongan Road, Xuhui District, Shanghai 200032 , China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaoru","family":"Dong","sequence":"additional","affiliation":[{"name":"School of Basic Medical Sciences, Fudan University Department of Forensic Medicine, , 131 Dongan Road, Xuhui District, Shanghai 200032 , 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