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Sympathetic activity and food intake of rats with ventromedial hypothalamic lesions

, : Sympathetic activity and food intake of rats with ventromedial hypothalamic lesions. International Journal of Obesity 12(4): 285-291

In female Sprague-Dawley rats, 8 to 10 weeks old and 210 to 230 g, with ventromedial hypothalamic (VMH) lesions, feed intake increased from 60 to slightly more than 77 kcal daily during the first 6 days after surgery. Body weight increased and sympathetic activity, as measured by the electrical firing rate of efferent nerves to interscapular brown adipose tissue, decreased significantly.

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Accession: 001962140

PMID: 3198309

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Related references

Sakaguchi T.; Bray G.A.; Eddlestone G., 1988: Sympathetic activity following paraventricular or ventromedial hypothalamic lesions in rats. The present experiment was designed to measure the symapthetic firing rate of nerve filaments to interscapular brown adipose tissue in rats with acute and chronic lesions in the ventromedial hypothalamus or paraventricular nucleus. Female rats rec...

Larue-Achagiotis, C.; L.M.gnen, J., 1981: 2-Deoxy-D-glucose inhibits food intake in rats after ventromedial hypothalamic lesions. Physiology & Behavior 26(4): 613-616

Vander Tuig J.G.; Knehans A.W.; Romsos D.R., 1982: Reduced sympathetic nervous system activity in rats with ventromedial hypothalamic lesions. To determine if alterations in sympathetic nervous system (SNS) activity occur in rats with ventromedial hypothalamic (VMH) lesions, norepinephrine (NE) turnover rates were examined in various tissues of lesioned and control, weanling rats. VMH-le...

Corp, E.S.; Osaka, T.; Xue, C.; Kobayashi, A.; Inoue, S., 1998: Chronic leptin infusion does not reduce food intake in rats with lesions of the hypothalamic ventromedial nucleus. Society for Neuroscience Abstracts 24(1-2): 449

Wampler, R.S.; Rehovsky, D.A., 1973: Decrease in food intake following cortical spreading depression in static obese rats with ventromedial hypothalamic lesions. Lesions or sham lesions were made in the ventromedial hypothalamus (VMH) of 19 male and 23 female Fisher rats. They were given a diet high in fat or a ground stock diet for 63 days after operation after which the diets were switched. Cortical spre...

Martin, J.M.; Konijnendijk, W.; Bouman, P.R., 1974: Insulin and growth hormone secretion in rats with ventromedial hypothalamic lesions maintained on restricted food intake. Adult female Wistar rats were trained for 1 week to eat restricted amounts of normal food, 4 g between 0800 and 0900 and 8 g between 1800 and 1900 h. They were then subjected to bilateral electrolytic destruction of the ventromedial hypothalamus (...

Beatty, W.W.; O'Briant, D.A.; Vilberg, T.R., 1975: Effects of ovariectomy and estradiol injections on food intake and body weight in rats with ventromedial hypothalamic lesions. Female rats with lesions of the ventromedial hypothalamus (VMH) were ovariectomized during the static obese stage efter body weight levels had stabilized. Following ovariectomy, rats with VMH lesions showed smaller increases in food intake and les...

Sakaguchi T.; Eddlestone G.; Bray G., 1986: Sympathetic activity in interscapular brown adipose tissue after hypothalamic paraventricular and ventromedial lesions in rats. American Journal of Clinical Nutrition 43(4): 688

Bernardis L.L.; Bellinger L.L., 1976: Food intake and obesity in weanling rats with ventromedial and dorsomedial hypothalamic lesions response to solid and liquid diet. Federation Proceedings 35(3): 341

Egawa, M.; Inoue, S.; Sato, S.; Takamura, Y.; Nagai, K.; Nakagawa, H., 1984: Effects of ventromedial hypothalamic lesions on circadian rhythms in serum insulin, glucose, triglyceride and food intake in rats. Female Sprague-Dawley rats weighing about 200 g had lesions made bilaterally in the ventromedial hypothalamus (VMH) or sham lesions. Normal diurnal rhythms of serum insulin, glucose and triglyceride did not persist in rats with VMH lesions. Glucos...