Silymarin: a novel natural agent to restore defective pancreatic beta cells in Streptozotocin (STZ)-induced diabetic rats

Authors

  • Amir Amniattalab Department of Pathology, Islamic Azad University, Urmia Branch, Urmia, Iran
  • Aysa Rezabakhsh Department of Pharmacology and toxicology, Faculty of Pharmacy, University of Medical sciences, Tabriz, Iran.
  • Hassan Malekinejad Department of Pharmacology & Toxicology, Faculty of Veterinary Medicine, Urmia University, Urmia, Iran
Abstract:

This study aimed to investigate the potency of silymarin (SMN) and melatonin (MEL) on restoring the pancreatic  cells in streptozotocin (STZ)-induced diabetic rats. Male Wistar rats were divided into five groups, including: control (C), untreated diabetic (D), SMN-treated diabetic (50 mg/kg, orally), MEL-treated diabetic (10 mg/kg, i.p.), and SMN plus MEL-treated diabetic rats. Diabetes was induced by injection of STZ (50 mg/kg, i.p.). The blood glucose and insulin levels were measured. After the 28 days treatment period, antioxidant status was analyzed by determination of total antioxidant capacity (TAC) in the liver and serum. The histopathological changes in the pancreatic islets were examined by histochemical staining and enumeration of  cells. Although none of the test compounds reduced the blood glucose level to normal concentration, however SMN alone and in combination with MEL was able to decline it significantly (P

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Journal title

volume 15  issue 3

pages  493- 500

publication date 2016-10-01

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