Volume 12, Issue 2 (Scientific Journal of Hamadan University of Medical Sciences-Summer 2005)                   Avicenna J Clin Med 2005, 12(2): 5-9 | Back to browse issues page

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Roghani-Dehkordi F, Roghani M, Baluchnejadmojarad T. Protective Effect of Capsicum Frutescens on Contractile Reactivity of Streptozotocin-Diabetic Rats. Avicenna J Clin Med 2005; 12 (2) :5-9
URL: http://sjh.umsha.ac.ir/article-1-540-en.html
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Abstract:   (4308 Views)

Introduction & Objective : Considering the higher incidence of atherosclerosis and cardiovascular disorders in diabetes mellitus, this study was conducted to evaluate the effect of oral one-month administration of red pepper (Capsicum frutescens) on the contractile reactivity of isolated aorta in diabetic rats.

Materials & Methods : For this purpose, male Wistar rats(n=32) were randomly divided into control, pepper-treated control, diabetic, and pepper-treated diabetic groups. For induction of diabetes, streptozotcin (STZ) was intraperitoneally administered (60 mg/Kg). Pepper-treated groups received pepper mixed with standard pelleted food at a weight ratio of 1/15. After one month, contractile reactivity of aortic rings to KCl and noreadrenaline was determined using isolated tissue setup.

Results : Serum glucose level showed a significant increase in diabetic group at 2nd and 4th weeks (P<0.001), while this increase was less marked in pepper-treated diabetic group at the 2nd week (P<0.05). In addition, the latter group showed a lower contraction to KCl (P<0.05) and noreadrenaline (P<0.05) as compared to diabetic group. Meanwhile, there was no significant difference between control and pepper-treated control groups regarding contractile reactivity.

Conclusion : It can be concluded that oral administration of pepper for one month could attenuate the contractile responsiveness of the vascular system and may prevent the development of hypertension in diabetic rats.

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Type of Study: Original | Subject: Other Clinical Specialties

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