{"status":"ok","message-type":"work","message-version":"1.0.0","message":{"indexed":{"date-parts":[[2026,10,2]],"date-time":"2026-10-02T16:17:39Z","timestamp":1790957859868,"version":"4.1.0"},"reference-count":34,"publisher":"MDPI AG","issue":"8","license":[{"start":{"date-parts":[[2024,8,12]],"date-time":"2024-08-12T00:00:00Z","timestamp":1723420800000},"content-version":"vor","delay-in-days":0,"URL":"https:\/\/creativecommons.org\/licenses\/by\/4.0\/"}],"funder":[{"name":"Science and Technology Department, the Tibet Autonomous Region","award":["XZ201801-GA-16"],"award-info":[{"award-number":["XZ201801-GA-16"]}]}],"content-domain":{"domain":[],"crossmark-restriction":false},"short-container-title":["Pharmaceuticals"],"abstract":"<jats:p>Safflower yellow is an extract of the famous Chinese medicine Carthamus tinctorious L, and safflower yellow injection (SYI) is widely used clinically to treat angina pectoris. However, there are few studies on the anti-myocardial ischemia\/reperfusion (I\/R) injury effect of SYI, and its mechanisms are unclear. In the present study, we aimed to investigate the protective effect of SYI on myocardial I\/R injury and explore its underlying mechanisms. Male Sprague Dawley rats were randomly divided into a control group, sham group, model group, and SYI group (20 mg\/kg, femoral vein injection 1 h before modeling). The left anterior descending coronary artery was ligated to establish a myocardial I\/R model. H9c2 cells were exposed to oxygen\u2013glucose deprivation\/reoxygenation (OGD\/R) after incubation with 80 \u03bcg\/mL SYI for 24 h. In vivo, TsTC, HE, and TUNEL staining were performed to evaluate myocardial injury and apoptosis. A kit was used to detect superoxide dismutase (SOD) and malondialdehyde (MDA) to assess oxidative stress. In vitro, flow cytometry was used to detect the reactive oxygen species (ROS) content and apoptosis rate. Protein levels were determined via Western blotting. Pretreatment with SYI significantly reduced infarct size and pathological damage in rat hearts and suppressed cardiomyocyte apoptosis in vivo and in vitro. In addition, SYI inhibited oxidative stress by increasing SOD activity and decreasing MDA content and ROS production. Myocardial I\/R and OGD\/R activate endoplasmic reticulum (ER) stress, as evidenced by increased expression of activating transcription factor 6 (ATF6), glucose-regulated protein 78 (GRP78), cysteinyl aspartate-specific proteinase caspase-12, and C\/EBP-homologous protein (CHOP), which were all inhibited by SYI. SYI ameliorated myocardial I\/R injury by attenuating apoptosis, oxidative damage, and ER stress, which revealed new mechanistic insights into its application.<\/jats:p>","DOI":"10.3390\/ph17081058","type":"journal-article","created":{"date-parts":[[2024,8,12]],"date-time":"2024-08-12T08:54:08Z","timestamp":1723452848000},"page":"1058","update-policy":"https:\/\/doi.org\/10.3390\/mdpi_crossmark_policy","source":"Crossref","is-referenced-by-count":7,"title":["Safflower Yellow Injection Alleviates Myocardial Ischemia\/Reperfusion Injury by Reducing Oxidative and Endoplasmic Reticulum Stress"],"prefix":"10.3390","volume":"17","author":[{"given":"Wulin","family":"Liang","sequence":"first","affiliation":[{"name":"School of Chinese Materia, Beijing University of Chinese Medicine, Beijing 102488, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Mingqian","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Chinese Materia, Beijing University of Chinese Medicine, Beijing 102488, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Jiahui","family":"Gao","sequence":"additional","affiliation":[{"name":"School of Chinese Materia, Beijing University of Chinese Medicine, Beijing 102488, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Rikang","family":"Huang","sequence":"additional","affiliation":[{"name":"School of Chinese Materia, Beijing University of Chinese Medicine, Beijing 102488, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Lu","family":"Cheng","sequence":"additional","affiliation":[{"name":"School of Chinese Materia, Beijing University of Chinese Medicine, Beijing 102488, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Liyuan","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Chinese Materia, Beijing University of Chinese Medicine, Beijing 102488, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhishan","family":"Huang","sequence":"additional","affiliation":[{"name":"School of Chinese Materia, Beijing University of Chinese Medicine, Beijing 102488, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Zhanhong","family":"Jia","sequence":"additional","affiliation":[{"name":"School of Chinese Materia, Beijing University of Chinese Medicine, Beijing 102488, China"}],"role":[{"vocabulary":"crossref","role":"author"}]},{"given":"Shuofeng","family":"Zhang","sequence":"additional","affiliation":[{"name":"School of Chinese Materia, Beijing University of Chinese Medicine, Beijing 102488, China"},{"name":"Department of Tibetan Pharmacy, University of Tibetan Medicine, Lhasa 850030, China"}],"role":[{"vocabulary":"crossref","role":"author"}]}],"member":"1968","published-online":{"date-parts":[[2024,8,12]]},"reference":[{"key":"ref_1","doi-asserted-by":"crossref","first-page":"168","DOI":"10.1016\/j.jjcc.2022.07.003","article-title":"Treatment Strategies of Acute Myocardial Infarction: Updates on Revascularization, Pharmacological Therapy, and Beyond","volume":"81","author":"Saito","year":"2023","journal-title":"J. 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