Results 261 to 270 of about 139,658 (339)

Reproductive steroids as potential mediators of parental-reproductive trade-offs in a brood parasitic species.

J Exp Biol
Lynch KS, Henson E.
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Endogenous Recovery of Hippocampal Function Following Global Cerebral Ischemia in Juvenile Female Mice Is Influenced by Neuroinflammation and Circulating Sex Hormones. [PDF]

Neural Plast
Vigil JJ, Tiemeier E, Orfila JE, Chalmers NE, Chang VN, Mitchell D, Veitch I, Falk M, Dietz RM, Herson PS, Quillinan N.   +10 more
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Gonadal Steroid Hormones and Hypothalamic Opioid Circuitry

Hormones and Behavior, 1994
Endogenous opioid peptides derived from several gene families are localized within hypothalamic regions known to be involved in the regulation of reproduction. For example, the proenkephalin gene products, met- and leu-enkephalin, and the proopiomelanocortin (POMC) gene product, beta-endorphin, are found in the rat medial preoptic area (MPOA). Moreover,
Ronald P. Hammer, Lei Zhou, Sun Cheung
openaire   +4 more sources

Regulation of astroglia by gonadal steroid hormones under physiological and pathological conditions

Progress in Neurobiology, 2016
In the last years there has been a considerable advance in the knowledge on the regulation of astrocytes by sex steroids under physiological and pathological conditions. By the activation of a variety of nuclear and membrane receptors, sex steroid hormones regulate the functions of astrocytes and their communication with other cell types in the central
Luis M. Garcia-Segura, Estefania Acaz-Fonseca, Marco Avila-Rodriguez, George E. Barreto, George E. Barreto, George E. Barreto   +5 more
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Hypothalamic Imprinting by Gonadal Steroid Hormones

Advances in Experimental Medicine and Biology, 2002
The results of more than four decades of research on different mammalian species have established that the brain, like the rest of the reproductive system, is esentially basically female. For the male to develop structural and functional characteristics typical of his species, his brain must be exposed to testicular hormones during a critical period ...
R. Gorski
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Episodic growth hormone secretory patterns in sheep: relationship to gonadal steroid hormones.

American Journal of Physiology-Endocrinology and Metabolism, 1977
The influence of anabolic steroids on growth hormone (GH) secretion in ruminants remains unclear, perhaps because of the dynamic nature of GH secretion. In the present study, blood samples were obtained at 15-min intervals for 12 h from intact ram lambs, ram lambs castrated postpubertally, and castrated ram lambs treated with either testosterone ...
D L Ohlson, J. Klindt, S.L. Davis, M.S. Anfinson   +3 more
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Regulation of Growth Hormone Action by Gonadal Steroids

Endocrinology and Metabolism Clinics of North America, 2007
Sex steroids modulate growth hormone (GH) secretion and action. Estrogen attenuates GH action in a dose- and route-dependent manner by inhibiting GH-regulated endocrine function of the liver. Testosterone amplifies the metabolic action of GH while exhibiting similar but independent effects of its own. The strong modulatory effect of gonadal steroids on
Udo J. Meinhardt, Ken K. Y. Ho, Ken K. Y. Ho, Ken K. Y. Ho   +3 more
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