Action of magnesium sulphate on melanophores of Rana tigrina.

Melatonin effects on the melanophores in adults and tadpoles of Rana cyanophlyctis (Schneider)

Introduction: Effects of melatonin (MT) were comparatively examined on melanophores of isolated skin in adults and tadpole’s tailfin of a frog Rana cyanophlyctis. MT is generally considered as a potent melanophores aggregating hormone besides regulating the sleep wake cycle in vertebrates. Methods: Melanophore size index (MSI) was chosen as a recording parameter of the responses. Concentr...

The Action of Nicotinic Acid on the Heart of Rana Tigrina

بررسی تاثیر شش هفته ورزش استقامتی(روی تردمیل) و سولفات منیزیم بر آستانه درد موش‌های معتاد در سندرم ترک

Background: Many evidences have shown that aerobic exercise can alter the function and release certain neurotransmitters such as opioids in the brain. In this research, the effect of endurance exercise (running on a treadmill for six weeks) and oral magnesium sulphate on pain threshold of addicted rats following withdrawal syndrome was investigated. Methods: In this study male wistar rats we...

Synergestic effect of coenzyme Q10 and magnesium sulphate in reducing myocardial infarction caused by isoproterenol in rats

The objective of the study aims to evaluate the combined protective effects of coenzyme Q10 and magnesium sulphate on isoproterenol induced myocardial damage in rats. CoenzymeQ10 (50 mg/kg) and magnesium sulphate (10 mg/kg) were administered orally to wistar rats in individual or in combination for 30 days.  At the end of this period, rats were administered isoproterenol (85 mg/kg i.p.) intrape...

Antidiarrheal Action of Hydroalcoholic Extract of Pycnocycla spinosa in Comparison with Loperamide and Dicyclomine

Pycnocycla spinosa Decne. ex Boiss. var. spinosa (Fam. Umbelliferae) is an essential oil-containing wild plant growing in central part of Iran. Hydroalcoholic extract of Pycnocycla spinosa has antispasmodic and antidiarrheal activity. The aim of this study was to further investigate antidiarrheal and small intestinal transit effect of P. spinosa extract for a comparison with loperamide and dicy...