Thermoregulatory, behavioral and seizure modulatory effects of AVP in the gerbil |
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Authors: | RJ Lee P Lomax |
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Institution: | a Department of Pharmacology, School of Medicine University of California, Los Angeles, CA 90024, USA b Brain Research Institute University of California, Los Angeles, CA 90024, USA |
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Abstract: | Recent reports suggest that arginine vasopressin (AVP) may be an endogenous antipyretic peptide and a mediator of febrile convulsions 10,12]. The spontaneously seizing Mongolian gerbil was used to investigate the thermoregulatory, behavioral and seizure modulatory effects of AVP. Injection of AVP (1.0 and 5.0 μg IV and 0.01–1.0 mg/kg SC) caused dose-related falls in body temperature. Stereotypic scratching, terminated by a body shake, was observed after AVP (1.0–5.0 μg IV). However, such behavior was not observed after subcutaneous injection of AVP. AVP did not potentiate seizure induction in the gerbils but rather reduced the seizure incidence. The data demonstrate that AVP can reduce body temperature and cause specific behaviors, but it does not appear to play a role in the pathogenesis of seizures in the seizure sensitive strain of Mongolian gerbil. |
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Keywords: | AVP Behavior Body temperature Mongolian gerbil Seizures Thermoregulation |
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