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- W2801679898 abstract "Background Pulmonary arterial smooth muscle cell (PASMC) proliferation is vital to pulmonary vascular remodeling in pulmonary arterial hypertension (PAH) pathogenesis, and inhibiting PASMC metabolism could serve as a new possible therapy to reverse the process. 3-Bromopyruvate (3-BrPA) is an effective glycolysis inhibitor with its effect in PAH remains unclear. Our study aims to assess the therapeutic effect of 3-BrPA in PAH rats and investigate the possible mechanism of 3-BrPA in PASMC proliferation and apoptosis. Methods 27 healthy SD rats were grouped and treated with hypoxia/normoxia and administration of 3-BrPA/physiological saline. Mean pulmonary artery pressure (mPAP) and cardiac output (CO) were measured and pulmonary vascular resistance (PVR) was calculated. Right ventricular hypertrophy index (RVHI) was calculated to evaluate the right ventricular hypertrophy degree. The percentage of medial wall area (WA%) and medial wall thickness (WT%) were measured by image analysis. PASMCs groups received hypoxia/normoxia treatments and 3-BrPA/physiological saline. PASMC proliferation and migration were respectively detected by CCK-8 and cell wound scratch assay. Hexokinase II (HK-2) expression and lactate level were respectively measured by Western Blotting and lactate test kit to detect glycolysis. Results mPAP, PVR, PVHI, WA% and WT% in rats increased after the hypoxia treatment, but were lower compared to rats received 3-BrPA in hypoxia environment. HK-2 expression, lactate concentration, OD value and scratch areas in PASMCs increased after the hypoxia treatment, but were decreased after the administration of 3-BrPA. Conclusion 3-BrPA can inhibit PASMC proliferation and migration by inhibiting glycolysis, and is effective in reversing the vascular remodeling in hypoxia–induced PAH rats." @default.
- W2801679898 created "2018-05-17" @default.
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- W2801679898 date "2018-09-01" @default.
- W2801679898 modified "2023-10-16" @default.
- W2801679898 title "3-Bromopyruvate reverses hypoxia-induced pulmonary arterial hypertension through inhibiting glycolysis: In vitro and in vivo studies" @default.
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- W2801679898 doi "https://doi.org/10.1016/j.ijcard.2018.03.104" @default.
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