* Corresponding Author: Tel: +9851138763852 Fax: +9851138763852 [email protected] Dear editor In recent years, the number of scientific research papers of Iranian scientists has substantially grown in national and international journals that indicates particular attitude of Iranian scientific community to the development of knowledge in different fields. Moreover, improvement of qualit...

An improved Ritt-Wu’s decomposition (of an algebraic set into the union of irreducible varieties) algorithm is given. The algorithm has been used to prove geometric theorems that Wu’s original method addresses. Unlike Wu’s original approach, nondegenerate conditions are given explicitly at the beginning, not generated during the proof process. A program based on this improved version of the alg...

A new genus (Cerchnotocriconenta) and three new species (C. psephinum, Hemicycliophora amchitkaensis, and Paratylenchns amundseni) are described from Adak and Amchitka Islands in the Aleutian chain. The new genus differs from all other criconematid genera in having irregular, convex sculpturing consisting of small, oval plates on the anterior and posterior regions of each annule, with the mid-a...

Aldosterone and other mineralocorticoids increase citrate synthase activity in the kidney and enhance renal sodium reabsorption, but it is unclear whether the increased citrate synthase activity is involved in renal sodium transport. We used the Wistar-Furth rat, an inbred strain found to be deficient in renal citrate synthase activity, as an experimental model to investigate this issue. We con...

This study was designed to determine whether diurnal patterns of blood pressure, heart rate, or locomotor activity differed among two substrains of Wistar-Kyoto rats, derived originally from Charles River or Taconic Farms stock, or the spontaneously hypertensive rat. Cardiovascular parameters were continuously monitored over 24 hours. Resting systolic and diastolic blood pressure values were st...

Wistar-Furth rats have been shown to be resistant to mineralocorticoid-salt hypertension, but the mechanism for this resistance is unknown. In the current experiments, adult male Wistar and Wistar-Furth rats were given a subcutaneous aldosterone infusion (0.15 microgram/hr) for 4 weeks, and changes in blood pressure and vascular reactivity were studied. Rats received a 1% NaCl, 0.2% KCl solutio...

the effect of hypericin on the expression of morphine-induced conditioned place preference (cpp) was investigated and compared with the effect of the synthetic antidepressants. the cpp paradigms took place over six days using an unbiased procedure. the results demonstrate that intra-peritoneal (ip) injection of morphine sulfate (2.5, 5 and 10 mg/kg) significantly induce the cpp in rat. intra-pe...

introduction: there is no comprehensive study on the effect of folate on food intake therefore the present study was carried out to determine the effect of folate supplementation on serum concentrations of leptin and grehlin and food intake in male wistar rats. methods: the study was carried out for 42 days during which the animals were weighed weekly their food and water intakes were measured ...

polycystic ovary syndrome (pcos) is a reproductive and metabolic disorder in which thelevel of oxidative elements in blood rises. green tea is a potent antioxidant since it containscatechins. in this study, the effect of hydro-alcoholic green tea extract on pcos rats was examined.for pcos induction, 96 mature wistar rats were given estradiol valerate. after 60 days, therats were divided into fo...