نتایج جستجو برای: male rats
تعداد نتایج: 555430 فیلتر نتایج به سال:
1. Juvenile male rats treated with parachlorophenylalanine showed hair loss round the head and neck extending down the chest and abdomen.2. Treated isolated rats did not have this loss of hair, while untreated animals living in the same cage as treated rats lost their hair. The loss therefore seems to be caused by increased social behaviour. This consists of a greater frequency of chasing each ...
Sex differences in spatial memory have long been observed in humans, non-human primates and rodents, but the underlying cellular and molecular mechanisms responsible for these differences remain obscure. In the present study we found that adolescent male rats outperformed female rats in 7 d and 28 d retention probes, but not in learning trials and immediate probes, in the Morris water maze task...
Broamadiolone is an anticoagulant, recommended as 0.005% bait for controlling rodent pests. Present study was conducted to investigate the toxicity potential of sublethal doses of bromadiolone (0.001% bait) along with blood clotting response in house rat, Rattus rattus. Mature and healthy rats of both sexes were divided into three groups. Rats of group I were fed on bait containing 0.001% broma...
The ontogenic and hormonal regulation of a sulfotransferase, SULT1B1, was examined. Hepatic RNA was isolated from rats of various ages from 1 to 90 days. The mRNA for SULT1B1 is low for both sexes until a dramatic increase ( approximately 6-fold) occurs between 15 and 30 days of age in male rats. SULT1B1 expression then decreases to half of the maximal level by 90 days of age. The increase in S...
To clarify the strain differences in the morphology of the rat kidneys, we investigated the morphometrical characteristics of the kidneys of Slc:Wistar, Slc:SD, and F344/NSlc rats. The diameter of the renal corpuscles in female F344/N rats is smaller than that in female Wistar rats. Although sex differences (males>females) were shown in SD and F344/N rats, no effects of castration were detected...
OBJECTIVES Neurotoxicity of anticancer drugs complicates treatment of cancer patients. Vinblastine (VBL) is reported to induce motor and cognitive impairments in patients receiving chronic low-dose regimen. MATERIALS AND METHODS The effects of VBL treatment on motor, learning and memory functions of male and female Wistar rats were studied by behavioral related tests. Animals were given chron...
Messenger RNA levels of rat organic anion transporter 1 (Oat1; Slc22a6) and Oat2 (Slc22a7) in kidney and Oat3 (Slc22a8) in liver are gender-predominant. Oat1 and Oat3 are male-predominant, whereas Oat2 is female-predominant. Gonadectomized and hypophysectomized (HX) rats were studied to determine whether sex steroids and/or growth hormone (GH) are responsible for these gender-divergent patterns...
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