Qianyu Fu, Longhua Zhou, Yuqin Fan, Fenfen Liu, Yuanyuan Fan, Xin Zhang, Li Wang, Lan Cheng
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Salvianolate ameliorates inflammation and oxidative stress in high-glucose induced HK-2 cells by blocking TGF-β/Smad signal pathway.
The objective of this research is to assess how salvianolate impacts inflammation and oxidative stress in a laboratory setting, as well as to investigate the underlying mechanisms. HK-2 cells were subjected to different treatments, including normal glucose, mannitol, high glucose and high glucose plus salvianolate. Cell proliferation, death, MDA levels, IL-1β, IL-6, TNF-α, MCP-1 concentrations, ROS levels, MMP, MPTP and ATP levels were assessed using various kits. The protein expressions of NOX4, TGF-β1, P-Smad2, P-Smad3, Smad4 and Smad7 were ascertained through western blot analysis. Our results indicated salvianolate could reduce the release of IL-1β, IL-6, TNF-α, as well as MCP-1, alleviate the levels of oxidative stress markers NOX4 and MDA, and improve mitochondrial function by increasing MMP and ATP levels while reducing ROS and MPTP opening. Furthermore, salvianolate inhibited the TGF-β1/Smad2, Smad3 signaling pathway, suppressed Smad4 expression and increased Smad7 expression. Salvianolate seems to mitigate inflammation and oxidative stress through a variety of mechanisms. These discoveries offer valuable understanding into the possible mechanisms by which salvianolate may be employed in the treatment of diabetic nephropathy.
期刊介绍:
Pakistan Journal of Pharmaceutical Sciences (PJPS) is a peer reviewed multi-disciplinary pharmaceutical sciences journal. The PJPS had its origin in 1988 from the Faculty of Pharmacy, University of Karachi as a biannual journal, frequency converted as quarterly in 2005, and now PJPS is being published as bi-monthly from January 2013.
PJPS covers Biological, Pharmaceutical and Medicinal Research (Drug Delivery, Pharmacy Management, Molecular Biology, Biochemical, Pharmacology, Pharmacokinetics, Phytochemical, Bio-analytical, Therapeutics, Biotechnology and research on nano particles.