Thermoadaptive influence on reactivity pattern of vasopressinergic neurons in the guinea pig |
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Authors: | Merker G Roth J Zeisberger E |
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Institution: | (1) Physiologisches Institut der Justus-Liebig-Universität Giessen, Aulweg 129, D-6300 Giessen, (Federal Republic of Germany) |
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Abstract: | Summary In cold-adapted guinea pigs, increased amounts of arginine-vasopressin (AVP) immunoreactive material could be visualized in neurons of the supraoptic and paraventricular nucleus, in fibers projecting to the neurohypophysis and in fiber terminals in the ventral lateral septum and in the amygdala. In warm-adapted animals the reactivity to AVP antiserum was poor in all neuronal structures examined. High AVP-immunoreactivity was accompanied by a reduced febrile response to bacterial pyrogen in cold-adapted guinea pigs. |
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Keywords: | AVP immunohistochemistry nucl paraventricularis and supraopticus ventral lateral septum thermal adaptation antipyresis guinea pig |
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