Objective:To investigate the ameliorative role of Tetrapleura tetraplera(Schum and Thonn)Taub(T.tetraplera)leaf in hyperglycemia with associated conditions like oxidative stress,kidney damage and disorders in lipid me...Objective:To investigate the ameliorative role of Tetrapleura tetraplera(Schum and Thonn)Taub(T.tetraplera)leaf in hyperglycemia with associated conditions like oxidative stress,kidney damage and disorders in lipid metabolism.Methods:Five groups of five rats each intraperitoneally received the following treatment schedules for 7 d:untreated normal control,untreated alloxan-diabetic control,diabetic treated with glibenclamide,normal rats treated with extract(50 mg/kg)and diabetic rats treated with the extract.Evaluations were made for fasting blood sugar,body weight changes,malondialdehyde,aspartate aminotransferase,alanine aminotransferase,bilirubin,superoxide dismutase,catalase,lipid profile,packed cell volume,hemoglobin,urea and creatinine in all the rats.Results:Whereas the untreated diabetic rats showed a significant decrease(P<0.05)in packed cell volume,superoxide dismutase,catalase and high-density lipoprotein-cholesterol with a concomitant increase in the levels of malondialdehyde,fasting blood sugar,aspartate aminotransferase,alanine aminotransferase,bilirubin,urea and creatinine,administration of methanolic extract of T.tetraplera leaf or glibenclamide alleviated these altered parameters in the treated rats.Conclusions:Methanolic extract of T.tetraplera leaves possesses a potent capacity for treatment of diabetes and the accompanying complications,including oxidative stress and hyperlipidemia.展开更多
本文用四氧嘧啶诱导产生糖尿病动物模型,分别于糖尿病产生后第4,8,12周测定大鼠坐骨神经匀浆山梨醇通路活性,肌醇含量和哇巴因敏感的和不敏感的 ATP 酶活性。与同龄正常对照组比较,糖尿病发生4周后,坐骨神经葡萄糖含量增加3—4倍,果糖增...本文用四氧嘧啶诱导产生糖尿病动物模型,分别于糖尿病产生后第4,8,12周测定大鼠坐骨神经匀浆山梨醇通路活性,肌醇含量和哇巴因敏感的和不敏感的 ATP 酶活性。与同龄正常对照组比较,糖尿病发生4周后,坐骨神经葡萄糖含量增加3—4倍,果糖增加3—5倍,山梨醇增加6—9倍,肌醇含量降低到对照组的50%,总 ATP 酶和哇巴因敏感的Na^+-K^+-ATP 酶活性均极显著地低于同龄对照组(P<0.01)。结果提示这些代谢变化可能是糖尿病神经病变发病机制中的重要环节。展开更多
基金supported by Alexander von Humboldt of Germany(Grant No.V-8151/04084)
文摘Objective:To investigate the ameliorative role of Tetrapleura tetraplera(Schum and Thonn)Taub(T.tetraplera)leaf in hyperglycemia with associated conditions like oxidative stress,kidney damage and disorders in lipid metabolism.Methods:Five groups of five rats each intraperitoneally received the following treatment schedules for 7 d:untreated normal control,untreated alloxan-diabetic control,diabetic treated with glibenclamide,normal rats treated with extract(50 mg/kg)and diabetic rats treated with the extract.Evaluations were made for fasting blood sugar,body weight changes,malondialdehyde,aspartate aminotransferase,alanine aminotransferase,bilirubin,superoxide dismutase,catalase,lipid profile,packed cell volume,hemoglobin,urea and creatinine in all the rats.Results:Whereas the untreated diabetic rats showed a significant decrease(P<0.05)in packed cell volume,superoxide dismutase,catalase and high-density lipoprotein-cholesterol with a concomitant increase in the levels of malondialdehyde,fasting blood sugar,aspartate aminotransferase,alanine aminotransferase,bilirubin,urea and creatinine,administration of methanolic extract of T.tetraplera leaf or glibenclamide alleviated these altered parameters in the treated rats.Conclusions:Methanolic extract of T.tetraplera leaves possesses a potent capacity for treatment of diabetes and the accompanying complications,including oxidative stress and hyperlipidemia.
文摘本文用四氧嘧啶诱导产生糖尿病动物模型,分别于糖尿病产生后第4,8,12周测定大鼠坐骨神经匀浆山梨醇通路活性,肌醇含量和哇巴因敏感的和不敏感的 ATP 酶活性。与同龄正常对照组比较,糖尿病发生4周后,坐骨神经葡萄糖含量增加3—4倍,果糖增加3—5倍,山梨醇增加6—9倍,肌醇含量降低到对照组的50%,总 ATP 酶和哇巴因敏感的Na^+-K^+-ATP 酶活性均极显著地低于同龄对照组(P<0.01)。结果提示这些代谢变化可能是糖尿病神经病变发病机制中的重要环节。