Therapeutic Effects of Canagliflozin and Zinc Sulphate Alone and in Combination on Pancreatic Histology in Type-2 Diabetic Rat Model
Keywords:Diabetes mellitus, canagliflozin, zinc sulphate, histopathological, streptozotocin
Introduction: Diabetes Mellitus is a common metabolic syndrome characterized by persistently elevated blood glucose levels. Canagliflozin is an SGLT-2 inhibitor that controls hyperglycemia by reducing the reabsorption of filtered glucose and excreting it in the urine. Zinc sulphate exhibits some beneficial role in diabetes mellitus but has not been compared to canagliflozin individually and in combination.
Aims & Objectives: To observe the effects of treatment with canagliflozin and zinc sulphate on pancreatic histology in streptozotocin induced type-2 diabetic rat model.
Place and duration of study: The study was conducted in the Department of Pharmacology, KEMU and PGMI, Lahore for the period of two months.
Material & Methods: It was an animal experimental study of eight weeks duration in which 48 adult healthy albino rats of male gender were divided into six groups and were provided the high fat diet throughout the study period. Groups A and B were maintained as healthy and diseased controls respectively. Groups B, C, D, E and F were administered single I/P dose streptozotocin (35mg/kg) at day 22 for inducing diabetes. Upon confirmation of diabetes after a week the rats were further treated as per group designation orally for 4 weeks , individually or in combination with full or half doses of canagliflozin (10 mg /kg/day, 5mg/kg/day ) and zinc sulphate (30mg/kg/day, 15mg/kg/day) . All animals were euthanized at the completion of study duration. The pancreatic tissue was taken out and examined for the histopathological changes (size and number of pancreatic islets, karyolysis and ballooning degeneration).
Results: There was a marked improvement in the size and number of islets as well as the inflammatory changes in the combined treatment group (with canagliflozin in full as well as half dose of zinc sulphate) as compared to the groups given zinc sulphate and canagliflozin separately.
Conclusion: Combined treatment with canagliflozin and zinc sulphate has a better protective effect on the pancreatic tissue in diabetes than either of them used alone.
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