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The protective mechanism of venom on diabetic kidney disease. | LitMetric

The protective mechanism of venom on diabetic kidney disease.

J Venom Anim Toxins Incl Trop Dis

Department of Psychosomatic Medicine, The Fourth People's Hospital of Zhangjiagang, Zhangjiagang, Jiangsu, China.

Published: December 2023

AI Article Synopsis

Article Abstract

Background: Diabetic kidney disease (DKD) is a serious microvascular complication of diabetes that affects both type 1 and type 2 diabetes patients at a high incidence rate. venom (NNAV) has been shown to have protective effects and improved renal function in diabetic rats. However, its mechanism of action is still unclear. This study aims to unravel the effectiveness and mechanisms of NNAV on DKD.

Methods: We conducted in vitro experiments in which Human Kidney-2 (HK-2) cells were stimulated with high glucose, and exposed to varying concentrations of NNAV. Cell morphology, as well as α-SMA, TGF-β1, and E-cadherin levels, were analyzed using immunofluorescence and western blot. experiments involved a diabetic rat model, where varying concentrations of cobra α-neurotoxin (CTX) were administrated via gastric treatment. We observed and noted pathomorphological changes, measured biochemical and oxidative stress indices, and used western blot to assess podocin and nephrin levels.

Results: High glucose levels can induce a decrease in E-cadherin expression and an increase in α-SMA and transforming growth factor-β1 (TGF-β1) expression in HK-2 cells. NNAV can inhibit the transdifferentiation of HK-2 cells to myofibroblast (MyoF) in a high glucose environment and reduce the expression of TGF-β1. Cobra α-neurotoxin (CTX) can reduce urine protein in diabetes model rats at an early stage, which is dose-independent and has a time application range. CTX can regulate the expression of nephrin and podocin.

Conclusion: The present study indicates that CTX and NNAV attenuate STZ and high glucose-induced DKD. Its mechanisms of action are associated with inhibiting oxidative stress and TEMT. The study suggests that NNAV and CTX might be a potential therapeutic drug for treating DKD.

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Source
http://www.ncbi.nlm.nih.gov/pmc/articles/PMC10718305PMC
http://dx.doi.org/10.1590/1678-9199-JVATITD-2023-0037DOI Listing

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