ENDOTHELIUM-DEPENDENT EFFECT OF SESAME SEED FEEDING ON VASCULAR REACTIVITY OF STREPTOZOTOCIN-DIABETIC RATS: UNDERLYING MECHANISMS

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ROGHANI MEHRDAD; JALALI NADOUSHAN MOHAMMAD REZA; BALUCHNEJADMOJARAD TOURANDOKHT; VAEZ MAHDAVI MOHAMMAD REZA; NADERI GHOLAM ALI; ROGHANI DEHKORDI FARSHAD; JOGHATAEI MOHAMMAD TAGHI

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Journal: Iranian Journal of Pharmaceutical Research Year:2013 | Volume:12 | Issue:3 Page(s): 377-385

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Title

ENDOTHELIUM-DEPENDENT EFFECT OF SESAME SEED FEEDING ON VASCULAR REACTIVITY OF STREPTOZOTOCIN-DIABETIC RATS: UNDERLYING MECHANISMS

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Keywords

SESAMUM INDICUM L

SESAME SEED

DIABETES MELLITUS

STREPTOZOTOCIN

AORTA

Abstract

Cardiovascular disorders continue to constitute major causes of morbidity and mortality in diabetic patients. In this study, the effect of chronic administration of sesame (SESAMUM INDICUM L) seed feeding was studied on aortic reactivity of STREPTOZOTOCIN (STZ)-diabetic rats. Male diabetic rats received SESAME SEED-mixed food at weight ratios of 3% and 6% for 7 weeks, one week after diabetes induction. Contractile responses to KCl and phenylephrine (PE) and relaxation response to acetylcholine (ACh) and sodium nitroprusside (SNP) were obtained from aortic rings. Maximum contractile response of endothelium-intact rings to PE was significantly lower in sesame-treated diabetic rats (at a ratio of 6%) relative to untreated diabetics and endothelium removal abolished this difference. Endotheliumdependent relaxation to ACh was also significantly higher in sesame-treated diabetic rats (at a ratio of 6%) as compared to diabetic rats and pretreatment of rings with nitric oxide synthase inhibitor, N (G)-nitro-l-arginine methyl ester (L-NAME) significantly attenuated the observed response. Two-month diabetes also resulted in an elevation of malondialdehyde (MDA) and decreased superoxide dismutase (SOD) activity and sesame treatment significantly reversed the increased MDA content and restored activity of SOD. We thus conclude that chronic treatment of diabetic rats with SESAME SEED could in a dosemanner prevent some abnormal changes in vascular reactivity through nitric oxide and via attenuation of oxidative stress in aortic tissue and endothelium integrity is necessary for this beneficial effect.

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APA: Copy

ROGHANI, MEHRDAD, JALALI NADOUSHAN, MOHAMMAD REZA, BALUCHNEJADMOJARAD, TOURANDOKHT, VAEZ MAHDAVI, MOHAMMAD REZA, NADERI, GHOLAM ALI, ROGHANI DEHKORDI, FARSHAD, & JOGHATAEI, MOHAMMAD TAGHI. (2013). ENDOTHELIUM-DEPENDENT EFFECT OF SESAME SEED FEEDING ON VASCULAR REACTIVITY OF STREPTOZOTOCIN-DIABETIC RATS: UNDERLYING MECHANISMS. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH (IJPR), 12(3), 377-385. SID. https://sid.ir/paper/288131/en

Vancouver: Copy

ROGHANI MEHRDAD, JALALI NADOUSHAN MOHAMMAD REZA, BALUCHNEJADMOJARAD TOURANDOKHT, VAEZ MAHDAVI MOHAMMAD REZA, NADERI GHOLAM ALI, ROGHANI DEHKORDI FARSHAD, JOGHATAEI MOHAMMAD TAGHI. ENDOTHELIUM-DEPENDENT EFFECT OF SESAME SEED FEEDING ON VASCULAR REACTIVITY OF STREPTOZOTOCIN-DIABETIC RATS: UNDERLYING MECHANISMS. IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH (IJPR)[Internet]. 2013;12(3):377-385. Available from: https://sid.ir/paper/288131/en

IEEE: Copy

MEHRDAD ROGHANI, MOHAMMAD REZA JALALI NADOUSHAN, TOURANDOKHT BALUCHNEJADMOJARAD, MOHAMMAD REZA VAEZ MAHDAVI, GHOLAM ALI NADERI, FARSHAD ROGHANI DEHKORDI, and MOHAMMAD TAGHI JOGHATAEI, “ENDOTHELIUM-DEPENDENT EFFECT OF SESAME SEED FEEDING ON VASCULAR REACTIVITY OF STREPTOZOTOCIN-DIABETIC RATS: UNDERLYING MECHANISMS,” IRANIAN JOURNAL OF PHARMACEUTICAL RESEARCH (IJPR), vol. 12, no. 3, pp. 377–385, 2013, [Online]. Available: https://sid.ir/paper/288131/en

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