期刊
BRAIN RESEARCH REVIEWS
卷 57, 期 2, 页码 520-530出版社
ELSEVIER
DOI: 10.1016/j.brainresrev.2007.06.029
关键词
neuroactive steroid; social isolation; ethanol; GABA(A) receptor plasticity; GABA(A) receptor function; rat
Rats deprived of social contact with other rats at a young age experience a form of prolonged stress that leads to long-lasting alteration in their behavior profile. This chronic stress paradigm is thus thought to be anxiogenic for these normally gregarious animals and their abnormal reactivity to environmental stimuli, when reared under this condition, is thought to be a product of prolonged stress. Neurochemical, molecular, and electrophysiological evidences demonstrate that social isolation is associated with alteration in the structure and function of GABA(A) receptors and suggest that endogenous content of the progesterone metabolite 3 alpha,5 alpha-TH PROG may be an important determinant in regulating brain excitability and sensitivity to stimuli and point out its possible role in psychiatric and neurological disorder. (c) 2007 Elsevier B.V. All rights reserved.
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