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Effect of SH2B1 on glucose metabolism during pressure overload-induced cardiac hypertrophy and cardiac dysfunction
This study mainly explored the effect and mechanism of Src homology 2 (SH2) B adaptor protein 1 (SH2B1) on cardiac glucose metabolism during pressure overload-induced cardiac hypertrophy and dysfunction. A pressure-overloaded cardiac hypertrophy model was constructed, and SH2B1-siRNA was injected through the tail vein. Haematoxylin and eosin (H&E) staining was used to detect myocardial morphology. ANP, BNP, β-MHC and the diameter of myocardial fibres were quantitatively measured to evaluate the degree of cardiac hypertrophy, respectively. GLUT1, GLUT4, and IR were detected to assess cardiac glucose metabolism. Cardiac...
Source: Clinical and Experimental Pharmacology and Physiology - July 4, 2023 Category: Drugs & Pharmacology Authors: Beilei Liu Xuguang Liu Shan Hu Shuai Mao Manqi Yang Bin Wu Gang Wu Source Type: research

Upregulated ClC3 channels/transporters elicit swelling-activated Cl < sup > - < /sup > currents and induce excessive cell proliferation in idiopathic pulmonary arterial hypertension
Biol Pharm Bull. 2022 Aug 20. doi: 10.1248/bpb.b22-00513. Online ahead of print.ABSTRACTPulmonary arterial hypertension (PAH) is characterized by vascular remodeling of the pulmonary artery, which is mainly attributed to the excessive proliferation of pulmonary arterial smooth muscle cells (PASMCs) comprising the medial layer of pulmonary arteries. The activity of ion channels associated with cytosolic Ca2+ signaling regulates the pathogenesis of PAH. Limited information is currently available on the role of Cl- channels in PASMCs. Therefore, the functional expression of ClC3 channels/transporters was herein investigated i...
Source: Biological and Pharmaceutical Bulletin - August 21, 2022 Category: Drugs & Pharmacology Authors: Taiki Amano Aya Yamamura Moe Fujiwara Seiji Hirai Rubii Kondo Yoshiaki Suzuki Hisao Yamamura Source Type: research

Propofol Protects Myocardium From Ischemia/Reperfusion Injury by Inhibiting Ferroptosis Through the AKT/p53 Signaling Pathway
The molecular mechanism underlying the protective role of propofol against myocardial ischemia/reperfusion (I/R) injury remains poorly understood. Previous studies have shown that ferroptosis is an imperative pathological process in myocardial I/R injury. We hypothesized that propofol prevents myocardial I/R injury by inhibiting ferroptosis via the AKT/p53 signaling pathway. The ferroptosis-inducing agent erastin (E) and AKT inhibitor MK2206 (MK) were used to investigate the role of propofol in myocardial I/R injury. H9C2 cells treated without any reagents, erastin for 24 h, propofol for 1 h before adding erastin were as...
Source: Frontiers in Pharmacology - March 16, 2022 Category: Drugs & Pharmacology Source Type: research

Resveratrol enhances transintestinal cholesterol excretion through selective activation of intestinal liver X receptor alpha
In conclusion, RSV could decrease circulating cholesterol levels through enhancing TICE and limiting cholesterol absorption via selective activation of intestinal LXRα.PMID:33631191 | DOI:10.1016/j.bcp.2021.114481
Source: Biochemical Pharmacology - February 25, 2021 Category: Drugs & Pharmacology Authors: Juan Pang Huihui Xu Xu Wang Xu Chen Qing Li Qiannan Liu Yiran You Hanyue Zhang Zhongliang Xu Yimin Zhao Yinghui Zhang Yan Yang Wenhua Ling Source Type: research

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