{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,3]],"date-time":"2026-09-03T02:19:37Z","timestamp":1788401977457,"version":"build-2803163510"},"reference-count":59,"publisher":"MDPI AG","issue":"10","license":[{"start":{"date-parts":[[2025,10,5]],"date-time":"2025-10-05T00:00:00Z","timestamp":1759622400000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"DOI":"10.13039\/501100011576","name":"Inonu University Scientific Research Project Unit","doi-asserted-by":"publisher","award":["TSA-2024-3393"],"award-info":[{"award-number":["TSA-2024-3393"]}],"id":[{"id":"10.13039\/501100011576","id-type":"DOI","asserted-by":"publisher"}]}],"content-domain":{"domain":["www.mdpi.com"],"crossmark-restriction":true},"short-container-title":["Biomolecules"],"abstract":"<jats:p>Background: Doxorubicin (Dox)-induced cardiotoxicity is the most important side effect of the drug and significantly limits its use in susceptible patients. Therefore, preventive measures are required to alleviate the Dox-induced cardiac failure. In this study, curcumin, a strong antioxidant agent, was investigated for its potential protective effect on dox-induced cardiotoxicity with its effect on Apelin expression as a mediator of cardiac function. Methods: Wistar albino rats were equally divided into four groups as Control, DOX, CUR, and CUR+DOX. Dox was administered a single dose of 20 mg\/kg bw intraperitoneally while 100 mg\/kg bw curcumin was given orally for 14 days before the Dox use. Results: DOX group showed a prolonged QT interval on an electrocardiogram and elevated cardiac troponin levels. In biochemical analyses, decreased Superoxide Dismutase activity and increased Malondialdehyde level and Catalase activity were detected in DOX group. Gene expression of Apelin decreased significantly while NF-\u03baB increased in DOX group. Degenerative changes in histopathology, and increased iNOS and nitrotyrosine immunoreactivity were detected in DOX group. However, no significant changes were observed at reduced Glutathione, TNF-, and IL-1\u03b2 levels. Curcumin use in Dox-given rats altered most of the disturbed parameters investigated in this study, indicating an alleviating effect on Dox-induced cardiotoxicity. Serum and heart Apelin levels and mRNA expression in heart tissue were detected to significantly increase in CUR+DOX group as compared to DOX group. Furthermore, NF-\u03baB mRNA expression was significantly decreased in heart tissue of CUR+DOX group compared with the DOX group. Conclusions: The results suggest that Apelin acts as an important mediator in Dox cardiotoxicity and may be used as a target for treatment of certain cardiomyopathies. By regulating Apelin expression, curcumin may serve as a potential adjunct in cardioprotective approaches.<\/jats:p>","DOI":"10.3390\/biom15101416","type":"journal-article","created":{"date-parts":[[2025,10,6]],"date-time":"2025-10-06T08:10:51Z","timestamp":1759738251000},"page":"1416","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":11,"title":["Curcumin Alleviates Doxorubicin-Induced Cardiotoxicity by Modulating Apelin Expression"],"prefix":"10.3390","volume":"15","author":[{"ORCID":"https:\/\/orcid.org\/0000-0001-9154-4764","authenticated-orcid":false,"given":"Baris","family":"Akca","sequence":"first","affiliation":[{"name":"Department of Cardiovascular Surgery, Faculty of Medicine, Inonu University, 44280 Malatya, T\u00fcrkiye"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Olcay Murat","family":"Disli","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Surgery, Faculty of Medicine, Inonu University, 44280 Malatya, T\u00fcrkiye"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Nevzat","family":"Erdil","sequence":"additional","affiliation":[{"name":"Department of Cardiovascular Surgery, Faculty of Medicine, Inonu University, 44280 Malatya, T\u00fcrkiye"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Yilmaz","family":"Cigremis","sequence":"additional","affiliation":[{"name":"Department of Medical Genetics, Faculty of Medicine, Inonu University, 44280 Malatya, T\u00fcrkiye"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Hasan","family":"Ozen","sequence":"additional","affiliation":[{"name":"Department of Pathology, Faculty of Veterinary Medicine, Balikesir University, 10145 Balikesir, T\u00fcrkiye"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-1150-7942","authenticated-orcid":false,"given":"Merve","family":"Durhan","sequence":"additional","affiliation":[{"name":"Department of Medical Genetics, Faculty of Medicine, Inonu University, 44280 Malatya, T\u00fcrkiye"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Selahattin","family":"Tunc","sequence":"additional","affiliation":[{"name":"Department of Medical Genetics, Faculty of Medicine, Inonu University, 44280 Malatya, T\u00fcrkiye"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-9018-7849","authenticated-orcid":false,"given":"Onural","family":"Ozhan","sequence":"additional","affiliation":[{"name":"Department of Pharmacology, Faculty of Medicine, Inonu University, 44280 Malatya, T\u00fcrkiye"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zeynep","family":"Ulutas","sequence":"additional","affiliation":[{"name":"Department of Cardiology, Faculty of Medicine, Inonu University, 44280 Malatya, T\u00fcrkiye"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Feray Akgul","family":"Erdil","sequence":"additional","affiliation":[{"name":"Department of Anesthesiology, Faculty of Medicine, Inonu University, 44280 Malatya, T\u00fcrkiye"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2025,10,5]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"e333","DOI":"10.1093\/ehjci\/jeac106","article-title":"2022 ESC Guidelines on cardio-oncology developed in collaboration with the European Hematology Association (EHA), the European Society for Therapeutic Radiology and Oncology (ESTRO) and the International Cardio-Oncology Society (IC-OS)","volume":"23","author":"Lyon","year":"2022","journal-title":"Eur. 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