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  2. Volume 8, Issue 2
  3. Authors

Online ISSN: 2515-8260

Volume8, Issue2

Comparative Study on the Cardiovascular and Pancreatic Effects of Canagliflozin versus Vildagliptin on Experimentally Induced Diabetes and Hypertension in Male Albino Rats

    Tarteel Youssef Hassan Mohamed Mohamed Abdelhafeez Ahmed Shireen S. Mahmoud

European Journal of Molecular & Clinical Medicine, 2021, Volume 8, Issue 2, Pages 2548-2561

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Abstract

Background: Diabetes mellitus and hypertension are interrelated diseases sharing common
etiology and disease mechanisms that predispose to cardiovascular disease. Hypertension is
approximately twice frequent in diabetic patients compared by non-diabetics.
Aim: This study was designed to compare the potential cardiovascular beneficial effects and
pancreatic β-cell function improvement by vildagliptin as DPP-4 inhibitor and canagliflozin as
SGLT2 inhibitor on diabetic hypertensive male albino rats.
Materials and Methods: thirty-six rats were randomly divided into 4 equal groups: Control group,
Diabetic hypertensive, Vildagliptin-treated diabetic hypertensive (20 mg/kg/day by orally) and
Canagliflozin-treated diabetic hypertensive groups (40 mg/kg/day orally). T2DM was induced by
I.P. injection of nicotinamide (230 mg/kg) 15 min prior to single dose injection of streptozotocin
(60 mg/kg, IP). Hypertension was induced by L-NAME (50 mg/kg, PO) for 4 weeks. The assessed
parameters were systolic and diastolic blood pressure (SBP and DBP), fasting blood glucose
(FBG), serum endothelial nitric oxide synthase (eNOS), proinsulin, insulin, proinsulin/Insulin
ratio, relative expression of MafA gene (β-cells specific transcription factor), Pancreatic and
duodenal homebox-1 (PDX-1) gene, and histopathology for pancreas.
Results: The results of the present study demonstrated that oral administration of vildagliptin
orally for 4 weeks for diabetic hypertensive rats produced beneficial cardiovascular effects as
evidenced by the significant reduction of SBP and DBP and the significant increase in serum
eNOS level. Moreover, vildagliptin improved pancreatic β-cell function evidenced by the
significant reduction of the proinsulin/insulin ratio, the significant increase of MafA and PDX-1
gene expression and the improvement of the histopathological picture of the pancreas.On the other
hand, the results of the present study showed that oral administration of canagliflozin orally for 4
weeks for diabetic hypertensive rats produced significant reduction of SBP, but there is
insignificant change of DBP and serum eNOS level. Also, it was found that oral administration of
canagliflozin significantly increased insulin and proinsul in with no significant change of
proinsulin/insulin ratio. In addition, canagliflozin improved pancreatic β-cell function evidenced
by the significant increase of MafA and PDX-1 gene expression and the improvement of the
histopathological picture of the pancreas; however, vildagliptin has better effects on these
pancreatic β-cell parameters.
Keywords:
    Oral vildagliptin has beneficial cardiovascular effects against hypertension and improves the β-cell secretory function
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(2021). Comparative Study on the Cardiovascular and Pancreatic Effects of Canagliflozin versus Vildagliptin on Experimentally Induced Diabetes and Hypertension in Male Albino Rats. European Journal of Molecular & Clinical Medicine, 8(2), 2548-2561.
Tarteel Youssef Hassan Mohamed; Mohamed Abdelhafeez Ahmed; Shireen S. Mahmoud. "Comparative Study on the Cardiovascular and Pancreatic Effects of Canagliflozin versus Vildagliptin on Experimentally Induced Diabetes and Hypertension in Male Albino Rats". European Journal of Molecular & Clinical Medicine, 8, 2, 2021, 2548-2561.
(2021). 'Comparative Study on the Cardiovascular and Pancreatic Effects of Canagliflozin versus Vildagliptin on Experimentally Induced Diabetes and Hypertension in Male Albino Rats', European Journal of Molecular & Clinical Medicine, 8(2), pp. 2548-2561.
Comparative Study on the Cardiovascular and Pancreatic Effects of Canagliflozin versus Vildagliptin on Experimentally Induced Diabetes and Hypertension in Male Albino Rats. European Journal of Molecular & Clinical Medicine, 2021; 8(2): 2548-2561.
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