Diabetes mellitus is most common disorder affecting almost 25% of the world's population. Many researchers reported the role of metals in glucose metabolism and their defficiency cause the diabetes. Zn is found in all cells of body and play role to maintain blood sugar level and in the synthesis, storage, and secretion of insulin. Zn supplementation shows protective effect on total lipid, cholesterol, HDL and atherogenic index. Nanotechnology affects on the all parts of human life, animal, environment, and industrial life. In the present study I evaluate the anti-diabetic activity of ZnONPs and also the dose dependent anti-diabetic effects of medicine in alloxan induced diabetic rats.
Twenty five adult male rats were divided into five groups; Negative control, Positive control, and 3 groups for different treatment dose of ZnONPs (15 mg/kg BW), ZnONPs (25mg/kg BW) and ZnONPs (50 mg/kg BW). Diabetes induction had done in four groups, other than negative control, by subcutaneous administration of alloxan (120 mg/kg BW). Treatment was given to groups for 21 days. BW was recorded weekly. Blood samples were collected from animals of each group on 21 days after induction of diabetes by cardiac puncture to measure serum glucose level, serum lipid profile and liver function test. Data was analyzed by using SPSS software. Data was analyzed by using one-way ANOVA. The group differences were compared by the Duncan’s Multiple Range Test. Differences was considered significant at P < 0.05.
The obtained results showed that ZnONPs has efficiency to control the diabetes mellitus by reducing blood glucose levels as well as the increasing dose decreased the serum glucose level. Only ZnONPs 50mg/kg BW dose is efficient to reduce the muscle wastage due to diabetes in alloxan induce diabetic rats. This dose also works to maintain the serum ALT, TG, HDL-C, LDL-C levels. But this dose is not effective for body weight, AST, ALP, VLDL-C, cholesterol and AI.
The data obtained from this study also showed the dose dependent anti-diabetic activity of medicine as the dose of 50mg/kg BW is more effective to control the diabetes as compared to other two doses; 15mg/kg BW and 25mg/kg BW.