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首页> 外文期刊>Canadian Journal of Physiology and Pharmacology >Effect of chronic intraperitoneal aminoguanidine on memory and expression of Bcl-2 family genes in diabetic rats
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Effect of chronic intraperitoneal aminoguanidine on memory and expression of Bcl-2 family genes in diabetic rats

机译:慢性腹膜内氨基胍对糖尿病大鼠记忆和Bcl-2家族基因表达的影响

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Long-term hyperglycemia associates with memory defects via hippocampal cells damaging. The aim of the present study was to examine the effect of 1 month of i.p. injections of AG on passive avoidance learning (PAL) and hippocampal apoptosis in rat. Eighty male rats were divided into 10 groups: control, nondiabetics and STZ-induced diabetics treated with AG (50, 100, 200, and 400 mg/kg, i.p.). PAL and the Bcl-2 family gene expressions were determined. Diabetes resulted in memory and Bcl-2 family gene expression deficits. AG (50 and 100 mg/kg) significantly improved the learning and Bcl-2, Bcl-xl, Bax, and Bak impairment in diabetic rats. However, negative effects were indicated by higher doses of the drug (200 and 400 mg/kg). Present study suggests that 1 month of i.p. injections of lower doses of AG, may improve the impaired cognitive tasks in STZ-induced diabetic rats possibly by modulating Bcl-2 family gene expressions.
机译:长期高血糖症通过海马细胞损伤与记忆缺陷相关。本研究的目的是检查腹腔注射1个月的影响。注射AG对大鼠被动回避学习(PAL)和海马细胞凋亡的影响。将80只雄性大鼠分为10组:对照组,非糖尿病组和STZ诱导的接受AG(50、100、200和400 mg / kg,腹腔注射)的糖尿病。测定了PAL和Bcl-2家族基因的表达。糖尿病导致记忆和Bcl-2家族基因表达缺陷。 AG(50和100 mg / kg)可以显着改善糖尿病大鼠的学习和Bcl-2,Bcl-xl,Bax和Bak损伤。但是,更高剂量的药物(200和400 mg / kg)显示出负面影响。目前的研究表明,腹腔注射1个月。较低剂量的AG注射可能通过调节Bcl-2家族基因表达来改善STZ诱导的糖尿病大鼠的认知功能受损。

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