ArticleJournal of traditional Chinese medicine = Chung i tsa chih ying wen pan2025
Matrine alleviates coronary microvascular dysfunction in ischemia with non-obstructive coronary artery disease mice induced by advanced glycation end products inhibition of the reactive oxygen species-mediated endoplasmic reticulum stress in cardiac microvascular endothelial cells.
Article in Journal of traditional Chinese medicine = Chung i tsa chih ying wen pan, 2025. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Not yet cited in PubMed.
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Abstract
objectiveTo investigate the protective effect of matrine on coronary microvascular dysfunction (CMD) induced by advanced glycation end products (AGEs) in a mouse model of ischemia with non-obstructive coronary artery disease (INOCA), with a focus on the underlying mechanisms, particularly the endoplasmic reticulum (ER) stress protein kinase R-like ER kinase (PERK)/ nuclear factor of activated T-cells (NFAT) signaling pathway.
methodsAn INOCA model was established in mice, and CMD was induced by peritoneal injections of AGEs. Matrine was administered daily
resultsMatrine treatment significantly improved CFVR and reduced CMD in AGEs-exposed INOCA mice. In CMECs, matrine attenuated AGEs-induced apoptosis, inflammation, and microthrombosis. It also suppressed intracellular reactive oxygen species (ROS) generation, ER stress markers, and PERK/NFAT signaling. Matrine's effects were concentration-dependent and partially reversed by the PERK agonist, confirming its action through the ER stress pathway. No significant toxicities were observed with matrine administration.
conclusionMatrine attenuates AGEs-induced CMD in INOCA by suppressing the ROS-mediated ER stress PERK/NFAT signaling pathway in CMECs. This study highlights matrine's potential as a therapeutic agent for CMD in diabetic cardiovascular complications.
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