Article ; Online: Qing-Xin-Jie-Yu Granule inhibits ferroptosis and stabilizes atherosclerotic plaques by regulating the GPX4/xCT signaling pathway.
2022 Volume 301, Page(s) 115852
Abstract: Ethnopharmacological relevance: Qing-Xin-Jie-Yu Granule (QXJYG) is an integrated ...
Abstract | Ethnopharmacological relevance: Qing-Xin-Jie-Yu Granule (QXJYG) is an integrated traditional Chinese medicine formula used to treat atherosclerotic (AS) cardiovascular diseases. A randomized controlled trial found that QXJYG reduced cardiovascular events and experiments also verified that QXJYG attenuated AS by remodeling the intestinal flora. Aim of the study: To determine whether QXJYG would attenuate AS and plaque vulnerability by regulating ferroptosis in high-fat diet-induced atherosclerotic ApoE Methods: AS models in ApoE Results: QXJYG attenuated AS progression and plaque vulnerability. Characteristic morphological changes of ferroptosis in the QXJYG-treated animals were rare. Total iron was significantly lower in the QXJYG group than in the model group (P < 0.05); QXJYG suppressed the lipid peroxidation (LPO) levels (malondialdehyde), enhanced the antioxidant capacity (superoxide dismutase and glutathione), and reduced inflammatory factors (interleukin [IL]-6, IL-1β, tumor necrosis factor-α) associated with ferroptosis. Expression of GPX4/xCT in aorta tissues was remarkably increased in the QXJYG group. QXJYG inhibited ferroptosis in J744A.1 macrophages disturbed using RSL3. The Fe Conclusion: QXJYG inhibits ferroptosis in vulnerable AS plaques partially via the GPX4/xCT signaling pathway. |
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MeSH term(s) | Animals ; Mice ; Amino Acid Transport Systems, Acidic/metabolism ; Apolipoproteins E ; Ferroptosis ; Plaque, Atherosclerotic/drug therapy ; Signal Transduction |
Chemical Substances | Amino Acid Transport Systems, Acidic ; Apolipoproteins E ; glutathione peroxidase 4, mouse (EC 1.11.1.9) ; qing-xin-jie-yu granules |
Language | English |
Publishing date | 2022-10-20 |
Publishing country | Ireland |
Document type | Journal Article |
ZDB-ID | 134511-4 |
ISSN | 1872-7573 ; 0378-8741 |
ISSN (online) | 1872-7573 |
ISSN | 0378-8741 |
DOI | 10.1016/j.jep.2022.115852 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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