Effects of aerobic exercise and resveratrol on the expressions of JAK2  and TGF-β1 in renal tissue of type 2 diabetes rats

doi:10.12047/j.cjap.5918.2020.045

Abstract

Abstract: Objective: To investigate the effects of aerobic exercise and resveratrol on janus kinase 2(JAK2) and transforming growth factor-β1(TGF-β1) in renal tissue of type 2 diabetes rats and its mechanism. Methods: The model of type 2 diabetic rats was established through SD rats fed high-fat diet for 5 weeks together with intraperitoneal infecting after a low dose of STZ. The rats were randomly divided into diabetic control group(DC), diabetic exercise group(DE), diabetic resveratrol group(DR), diabetic exercise and resveratrol group(DER), normal control group(NC), 12 rats in each group. Exercise-related groups performed 8 weeks treadmill exercise (20 m/min, 60 min/day). Resveratrol was administered to drug-related groups for 8 weeks (45 mg/kg, 7 day/week). Eight weeks later, we examined blood glucose concentrations, 24 h microalbuminuria(UA), serum creatinine(Scr), blood urea nitrogen(BUN), and the expressions of TGF-β1, janus kinase 2(JAK2) and JAK2 mRNA in renal tissue. Results: After eight weeks of intervention, compared with NC group, the concentrations blood glucose, 24 h UA, Scr, BUN, the expressions of TGF-β1, JAK2 and JAK2 mRNA were increased significantly in DC group(P＜0.05). Compared with DC group, the concentrations of blood glucose, 24 h UA, Scr, BUN, the expressions of TGF-β1, JAK2 and JAK2 mRNA were decreased significantly in DE group, DR group and DER group(P＜0.05). Conclusion: Exercise, resveratrol and combined intervention may decrease the expressions of JAK2 mRNA, JAK2 and TGF-β1, which further attenuate renal injury for type 2 diabetes. The renal protective effect produced by exercise and resveratrol combined intervention is better than that produced by exercise or resveratrol intervention alone.

Key words: type 2 diabetes, aerobic exercise, resveratrol, JAK2, TGF-β1, rat

CLC Number:

R318

SUN Xiao-juan, FENG Wu-long, HOU Na, LI Na, JIANG Wei-li. Effects of aerobic exercise and resveratrol on the expressions of JAK2 and TGF-β1 in renal tissue of type 2 diabetes rats[J]. CJAP, 2020, 36(3): 202-206.

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Effects of aerobic exercise and resveratrol on the expressions of JAK2 and TGF-β1 in renal tissue of type 2 diabetes rats

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