{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,9,11]],"date-time":"2026-09-11T04:43:39Z","timestamp":1789101819165,"version":"build-2803163510"},"reference-count":68,"publisher":"MDPI AG","issue":"2","license":[{"start":{"date-parts":[[2025,2,18]],"date-time":"2025-02-18T00:00:00Z","timestamp":1739836800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Antioxidants"],"abstract":"<jats:p>Hypoxic damage to retinal pigment epithelial (RPE) cells and subsequent neovascularization are key factors in the pathogenesis of branch retinal vein occlusion (BRVO). Naringin (NG), a naturally occurring flavanone glycoside, has demonstrated significant antioxidant and anti-neovascular activities. However, the regulatory effects and mechanisms of NG on ferroptosis in BRVO are yet to be explored. Our study aimed to investigate the protective effects of NG on RPE cells under hypoxic stress and to elucidate the underlying molecular mechanisms. Our findings revealed that NG significantly reduced cytotoxicity induced by cobaltous chloride (CoCl2) and also inhibited vascular proliferation in the retina, thereby attenuating choroidal neovascularization. NG pretreatment largely countered the overproduction of reactive oxygen species (ROS) and malondialdehyde (MDA) triggered by hypoxic damage, while also restoring levels of the antioxidants glutathione (GSH) and superoxide dismutase (SOD). Furthermore, NG pretreatment significantly activated the expression of hypoxia-inducible factor-1 alpha (HIF-1\u03b1) and its downstream heme oxygenase-1 (HO-1) and NADPH dehydrogenase (NQO1). In conclusion, NG not only inhibits neovascularization but also alleviates inflammation in RPE cells by modulating the HO-1\/GPX4 pathway to inhibit ferroptosis. These findings highlight the potential of NG as a promising therapeutic agent for the treatment of BRVO.<\/jats:p>","DOI":"10.3390\/antiox14020236","type":"journal-article","created":{"date-parts":[[2025,2,18]],"date-time":"2025-02-18T09:45:23Z","timestamp":1739871923000},"page":"236","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":13,"title":["Naringin Suppresses CoCl2-Induced Ferroptosis in ARPE-19 Cells"],"prefix":"10.3390","volume":"14","author":[{"given":"Yuchang","family":"Yang","sequence":"first","affiliation":[{"name":"College of Chinese Herbal Medicine, Beijing University of Chinese Medicine, Beijing 102488, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Manting","family":"Liu","sequence":"additional","affiliation":[{"name":"College of Chinese Herbal Medicine, Beijing University of Chinese Medicine, Beijing 102488, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Xiaoxv","family":"Dong","sequence":"additional","affiliation":[{"name":"College of Chinese Herbal Medicine, Beijing University of Chinese Medicine, Beijing 102488, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jie","family":"Bai","sequence":"additional","affiliation":[{"name":"College of Chinese Herbal Medicine, Beijing University of Chinese Medicine, Beijing 102488, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Wenjuan","family":"Shi","sequence":"additional","affiliation":[{"name":"College of Chinese Herbal Medicine, Beijing University of Chinese Medicine, Beijing 102488, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Qian","family":"Zhu","sequence":"additional","affiliation":[{"name":"College of Chinese Herbal Medicine, Beijing University of Chinese Medicine, Beijing 102488, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Juan","family":"Liu","sequence":"additional","affiliation":[{"name":"College of Chinese Herbal Medicine, Beijing University of Chinese Medicine, Beijing 102488, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Ziheng","family":"Wang","sequence":"additional","affiliation":[{"name":"College of Chinese Herbal Medicine, Beijing University of Chinese Medicine, Beijing 102488, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lisa","family":"Yi","sequence":"additional","affiliation":[{"name":"College of Chinese Herbal Medicine, Beijing University of Chinese Medicine, Beijing 102488, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0003-3077-1626","authenticated-orcid":false,"given":"Xingbin","family":"Yin","sequence":"additional","affiliation":[{"name":"College of Chinese Herbal Medicine, Beijing University of Chinese Medicine, Beijing 102488, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jian","family":"Ni","sequence":"additional","affiliation":[{"name":"College of Chinese Herbal Medicine, Beijing University of Chinese Medicine, Beijing 102488, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"ORCID":"https:\/\/orcid.org\/0000-0001-6617-1476","authenticated-orcid":false,"given":"Changhai","family":"Qu","sequence":"additional","affiliation":[{"name":"College of Chinese Herbal Medicine, Beijing University of Chinese Medicine, Beijing 102488, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2025,2,18]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"1927","DOI":"10.1016\/S0140-6736(20)31559-2","article-title":"Retinal vascular occlusions","volume":"396","author":"Scott","year":"2020","journal-title":"Lancet"},{"key":"ref_2","doi-asserted-by":"crossref","first-page":"196","DOI":"10.1097\/APO.0000000000000598","article-title":"Update on Retinal Vein Occlusion","volume":"12","author":"Romano","year":"2023","journal-title":"Asia Pac. 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