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Jina Kim 1 Article
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DN200434 Inhibits Vascular Smooth Muscle Cell Proliferation and Prevents Neointima Formation in Mice after Carotid Artery Ligation
Sudeep Kumar, Jonghwa Jin, Hyeon Young Park, Mi-Jin Kim, Jungwook Chin, Sungwoo Lee, Jina Kim, Jung-Guk Kim, Yeon-Kyung Choi, Keun-Gyu Park
Endocrinol Metab. 2022;37(5):800-809.   Published online September 28, 2022
DOI: https://doi.org/10.3803/EnM.2022.1462
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  • 2 Web of Science
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AbstractAbstract PDFPubReader   ePub   
Background
Excessive proliferation and migration of vascular smooth muscle cells (VSMCs), which contributes to the development of occlusive vascular diseases, requires elevated mitochondrial oxidative phosphorylation to meet the increased requirements for energy and anabolic precursors. Therefore, therapeutic strategies based on blockade of mitochondrial oxidative phosphorylation are considered promising for treatment of occlusive vascular diseases. Here, we investigated whether DN200434, an orally available estrogen receptor-related gamma inverse agonist, inhibits proliferation and migration of VSMCs and neointima formation by suppressing mitochondrial oxidative phosphorylation.
Methods
VSMCs were isolated from the thoracic aortas of 4-week-old Sprague-Dawley rats. Oxidative phosphorylation and the cell cycle were analyzed in fetal bovine serum (FBS)- or platelet-derived growth factor (PDGF)-stimulated VSMCs using a Seahorse XF-24 analyzer and flow cytometry, respectively. A model of neointimal hyperplasia was generated by ligating the left common carotid artery in male C57BL/6J mice.
Results
DN200434 inhibited mitochondrial respiration and mammalian target of rapamycin complex 1 activity and consequently suppressed FBS- or PDGF-stimulated proliferation and migration of VSMCs and cell cycle progression. Furthermore, DN200434 reduced carotid artery ligation-induced neointima formation in mice.
Conclusion
Our data suggest that DN200434 is a therapeutic option to prevent the progression of atherosclerosis.

Citations

Citations to this article as recorded by  
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    EMBO Molecular Medicine.2024; 16(9): 2043.     CrossRef
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    Biomedicine & Pharmacotherapy.2023; 163: 114755.     CrossRef
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