Skyler Kuchar

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The RNA content of the ventromedial hypothalamus (VMH), the lateral hypothalamic area (LHA), and the cortical neurons of male and female rats, neonatally treated with monosodium glutamate (MSG), were investigated. MSG (2 g/kg b.wt.) was injected subcutaneously to male and female rat pups daily for 5 days after birth. At 12 weeks of age a significant(More)
The influence of estradiol and testosterone on body growth of young male Wistar rats was investigated. In the first experiment, estradiol was given to intact ad libitum fed male rats at 32, 37 and 42 days of age. Moreover, two untreated groups of animals were used: one was fed restrictedly according to the food intake of animals receiving estradiol and(More)
Dorsal lesions of the septum influenced the maternal behaviour of Wistar and Long-Evans females, as well as of their hybrids, in a different way. The phenomenon of infanticide appeared in Wistar females only, whereas mothering was not impaired in others. However, the mouse-killing activity was not enhanced in Wistar females displaying infanticide. On the(More)
The relationship between milk fat concentration and the growth of rat pups from birth to the 20th day was investigated. A total of 36 first-time-lactating Wistar rats and 366 pups from litters of 8-12 were used. The concentration of milk fat was determined by the crematocrit method, on the 2nd, 5th, 10th, 15th, 20th and 25th day of lactation. A wide range(More)
In 17 1/2--21 1/2 day-old fetuses and 1--4 day-old rats the DNA, RNA and protein content of the liver, heart and brain was daily investigated 6 hours after injecting approximately 40 mU . g-1 insulin. The DNA content in the mentioned organs was not affected by the insulin. The RNA content in the fetal and neonatal brain and neonatal heart was significantly(More)
The nutritional status in the early postnatal period may significantly influence the development and functional activity of food intake regulating mechanisms. Therefore we investigated the weight gains and total RNA content of the ventromedial (VMH) and lateral (LHA) hypothalamic cells of rat pups in normal litters (8 pups/nest) and in reduced litters (2(More)
The effects of glucoprivation on the food intake have been determined in infant rats up to weaning. It was found that insulin reduced the milk intake of 9, 13 and 17-day-old males and females for three hours after treatment. In 24-day-old pups food intake increased for three hours after insulin administration, and decreased during the next 21-hour period.(More)
The age dependency of changes in food intake and body weight in Wistar rats after androgen and estrogen treatment was followed. The 5 age categories of female rats were treated by androgen and the 6 age categories of male rats were treated by estrogen. The androgen treatment induced an expressive increase in weight gains in all age categories of female(More)