نوع مقاله : مقاله های پژوهشی
نویسندگان
1 استادیار، گروه فارماکولوژی و سمشناسی، دانشکدهی داروسازی و علوم دارویی و مرکز تحقیقات علوم دارویی، دانشگاه علوم پزشکی اصفهان، ایران
2 دانشجوی دکترای داروسازی، دانشکدهی داروسازی و علوم دارویی و کمیتهی تحقیقات دانشجویی، دانشگاه علوم پزشکی اصفهان، اصفهان، ایران
چکیده
کلیدواژهها
عنوان مقاله [English]
نویسندگان [English]
Background: Dexamethasone-induced hypertension is one of the animal models of hypertension. Lactoferrin is a natural iron-binding protein with proposed antihypertensive effects. In this study, the effect of chronic use of lactoferrin was investigated on dexamethasone-induced hypertension in rat and compared with captopril.Methods: In this experimental study, hypertension was induced by subcutaneously injection of dexamethasone (30 µg/kg/day) for 15 days in Wistar rat. Lactoferrin (300 mg/kg) and captopril (40 mg/kg) were orally given from the day 8 to 15. Systolic blood pressure was measured by tail cuff. Body weight was measured during experiment and thymus weight was detected as a marker of glucocorticoid activity at the end of study.Findings: Administration of dexamethasone increased systolic blood pressure (115.6 + 3.3 to 150.1 + 7.4 mmHg) and decreased body and thymus weight (P < 0.05). Chronic administration of lactoferrin and captopril for one week decreased systolic blood pressure (P < 0.01 for both). Lactoferrin also prevented body weight loss.Conclusion: The results indicated antihypertensive effect of lactoferrin on dexamethasone-induced hypertension. Further studies are suggested for finding the mechanism of lactoferrin in this model of hypertension.
کلیدواژهها [English]