The aim of this study to find out the perfect dose of Berberine chloride (BC) in streptozotocin (STZ) induced diabetic rats by observation of effect of BC on blood glucose, plasma insulin, glycated hemoglobin and hemoglobin. Experimental diabetes was induced in rats by a single dose of intraperitonial injection of streptozotocin (40 mg/kg b.w). After the 72 hours, diabetic rats treated with BC at different concentrations (25. 50 and 100 mg/kg b.w) for 45 days. BC administration significantly declined the levels of blood glucose, glycated hemoglobin and renal markers whereas elevated the levels of plasma insulin, hemoglobin and body weight in diabetic rats. 50 mg/kg b.w of BC showed the prominent effect compared to other two doses. From these results clearly shows the antidiabetic activity of BC.
The aim of this study was to analyze compounds from the methanolic extract of fruits of Helicteres isora for antidiabetic activity. Sanguinarine, berberine chloride (BC) and muscimol were found to be as major compounds in the methanolic fruits extract of H. isora. BC was isolated from the methanolic fruit extract of H. isora by using HPLC and other compounds were commercially acquired. Diabetes was induced in rats by a single dose of intraperitonial injection of streptozotocin (STZ). Sanguinarine (50 mg/kg b.w), BC (50 mg/kg b.w) and muscimol (50 mg/kg b.w) were evaluated by Oral Glucose Tolerance Test (OGTT) in normal and STZ induced diabetic rats. Among the three compounds, BC significantly reduced the blood glucose levels when compared to sanguinarine and muscimol. The OGTT study clearly indicates, BC possess promising antidiabetic activity against STZ induced diabetic rats.
The goal of the present study was to evaluate the effect of Berberine chloride (BC) on lipid profile, oxidant status and insulin signaling molecules in Streptozotocin (STZ) induced diabetic rat model. Diabetes was induced in rats by a single dose of intraperitoneal administration of STZ (40 mg/kg b.w). Diabetic rats were treated with BC (50 mg/kg b.w) and glibenclamide (6 mg/kg b.w) for 45 days. BC treated diabetic rats showed significant (p \0.05) decrease in the levels of TC, TG, phospholipids, LDL, VLDL and lipid peroxidation markers such as LOOH and TBARS. An increase in enzymatic antioxidant (SOD, CAT and GPx), non-enzymatic antioxidant (GSH, vitamin C and E) and insulin signaling molecules expression, like Insulin receptor substrate-1 (IRS-1), Protein kinase B (PKB or Akt) and glucose transporter-4 (GLUT-4) were found to be significantly raised in BC treated STZ induced diabetic rats. Thus, the results of the current study demonstrated that BC significantly reversed the abnormal levels of lipids, oxidant status and insulin signaling molecules in the diabetic rat model, which may be contributed to its anti-diabetic and antioxidant activities.
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