Literature DB >> 6166952

Brain serotonin metabolism in hibernation.

N K Popova, N N Voitenko.   

Abstract

It has been shown that notwithstanding 2-fold decreased monoamine oxidase (MAO) activity in brain of hibernating ground squirrels (Citellus erythrogenys major, Brandt), serotonin (5-HT) and 5-hydroxyindoleacetic acid (5-HIAA) levels in most of the brain areas studied were not significantly different from the ones in active ground squirrels. However, marked changes were revealed in 5-HT and 5-HIAA brain level in entering hibernation (body temperature 11-9 degrees C) and arousing (body temperature 22 degrees C) animals. In entry into hibernation an increase in brain 5-HT, decrease in 5-HIAA level and lowered MAO activity was found. In arousal from hibernation 5-HT was decreased, 5-HIAA was increased and MAO activity was found to be increased to the level of the active ground squirrels.

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Year:  1981        PMID： 6166952     DOI： 10.1016/0091-3057(81)90360-9

Source DB:  PubMed          Journal:  Pharmacol Biochem Behav        ISSN： 0091-3057            Impact factor:   3.533


  6 in total

1.  Major changes in the brain histamine system of the ground squirrel Citellus lateralis during hibernation.

Authors:  T Sallmen; A L Beckman; T L Stanton; K S Eriksson; J Tarhanen; L Tuomisto; P Panula
Journal:  J Neurosci       Date:  1999-03-01       Impact factor: 6.167

2.  Neuropeptide modulation of evoked responses of neurons in the medial septal region of hibernating ground squirrels in conditions of chronic isolation of the medial septal region from preoptic-hypothalamic structures.

Authors:  I Yu Popova; O S Vinogradova; Yu M Kokoz; R Kh Ziganshin; V T Ivanov
Journal:  Neurosci Behav Physiol       Date:  2003-06

3.  The serotonin-immunoreactive system of the suprachiasmatic nucleus in the hibernating ground squirrel, Spermophilus richardsonii.

Authors:  F Nürnberger; C U Schindler; A Kriete
Journal:  Cell Tissue Res       Date:  1989-06       Impact factor: 5.249

4.  Hypothalamic monoamines and their metabolites in the deermouse, Peromyscus maniculatus, during daily torpor.

Authors:  L H Lin; E B Pivorun
Journal:  J Neural Transm Gen Sect       Date:  1990

5.  Modulation of serotonin binding sites in the brain of the Djungarian hamster, Phodopus sungorus, during adaptation to a short photoperiod.

Authors:  D Kaminski; N Weiner; G Sturm; W Wesemann
Journal:  J Neural Transm Gen Sect       Date:  1993

6.  Season of sampling and season of birth influence serotonin metabolite levels in human cerebrospinal fluid.

Authors:  Jurjen J Luykx; Steven C Bakker; Eef Lentjes; Marco P M Boks; Nan van Geloven; Marinus J C Eijkemans; Esther Janson; Eric Strengman; Anne M de Lepper; Herman Westenberg; Kai E Klopper; Hendrik J Hoorn; Harry P M M Gelissen; Julian Jordan; Noortje M Tolenaar; Eric P A van Dongen; Bregt Michel; Lucija Abramovic; Steve Horvath; Teus Kappen; Peter Bruins; Peter Keijzers; Paul Borgdorff; Roel A Ophoff; René S Kahn
Journal:  PLoS One       Date:  2012-02-01       Impact factor: 3.240
  6 in total

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