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Creative Commons License 2016 Volume 3 Issue 1

Comparing the effects of metformin with silymarin in biochemical parameters related to diabetes and pancreatic tissue in streptozotocin- induced diabetic rats

Hossein Babaei, Raheleh Rahbanian, Fatemeh Malchi, Gholamhossein Mohebbi, Parviz Farzadinia, Afshar Bargahi, Adel Daneshi, Khalil Pourkhalili, Samad Akbarzadeh
Abstract

Diabetes is a major public health problem worldwide and associated with serious side effects. Given the role of medicinal plant in controlling diabetes, this study aimed to compare the effects of silymarin with metformin on serum glucose, insulin, insulin resistance ( HOMA.IR), pancreatic function (HOMA.B) and pancreatic tissue in diabetic rats. In this experimental study, frothy male Wistar rats weighing 180-240 g were randomly divided into 5 equal groups as follows: the healthy control (HC), the diabetic control (DC), the silymarin100 (S100), the silymarin 200 (S200) and the metformin 100 (M100). Groups DC, S100, S200 and M100 were injected with intraperitoneally of streptozotocin. Groups S100, S200 and M100 received 100 mg/ kg of silymarin, 200 mg/ kg of silymarin and 100 mg / kg of metformin respectively. After 30 days of intervention, serum concentrations of glucose and insulin were determined by enzymatic and ELISA method respectively. Also the pancreatic tissue was studied by light microscopy. Serums concentrations of glucose, insulin and HOMA.IR significantly decreased, whereas HOMA.B increased in the S100, S200 and M100 groups compared to the DC group. Glucose and insulin levels significantly decreased in the M100 group compared to the S100 and S200 groups (p <0.05). Histological analysis demonstrated restoration effects of metformin and silymarin on pancreatic tissue. It seems that efficacy of metformin on diabetes is better than silymarin, however, more researches are needed to survey the effects of different timing (longer) and different concentrations of silymarin on diabetes.

 

Key words: Diabetes, Silymarin, Metformin, Insulin resistance

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Entomology and Applied Science Letters is an international double-blind peer reviewed publication which publishes scientific research & review articles related to insects that contain information of interest to a wider audience, e.g. papers bearing on the theoretical, genetic, agricultural, medical and biodiversity issues. Emphasis is also placed on the selection of comprehensive, revisionary or integrated systematics studies of broader biological or zoogeographical relevance. In addition to full-length research articles and reviews, the journal publishes interpretive articles in a Forum section, Short Communications, and Letters to the Editor. The journal publishes reports on all phases of medical entomology and medical acarology, including the systematics and biology of insects, acarines, and other arthropods of public health and veterinary significance.

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Entomology and Applied Science Letters supports the submission of entomological papers that contain information of interest to a wider reader groups e. g. papers bearing on taxonomy, phylogeny, biodiversity, ecology, systematic, agriculture, morphology. The selection of comprehensive, revisionary or integrated systematics studies of broader biological or zoogeographical relevance is also important. Distinguished entomologists drawn from different parts of the world serve as honorary members of the Editorial Board. The journal encompasses all the varied aspects of entomological research.