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GABA Uptake Sites in Frontal Cortex from Suicide Victims and in Aging

 

作者: Ingrid Sundman,   Per Allard,   Anders Eriksson,   Jan Marcusson,  

 

期刊: Neuropsychobiology  (Karger Available online 1997)
卷期: Volume 35, issue 1  

页码: 11-15

 

ISSN:0302-282X

 

年代: 1997

 

DOI:10.1159/000119324

 

出版商: S. Karger AG

 

关键词: Suicide;Depression;Aging;GABA;Nipecotic acid;Frontal cortex;Human brain

 

数据来源: Karger

 

摘要:

The binding of [3H]nipecotic acid to GABA uptake sites was studied in post mortem human frontal cortex from 17 suicide victims and 21 controls without known neurological or psychiatric disorder. The suicide victims were subclassified according to the use of violent or non-violent methods and to the presence or absence of a known history of a depressive disorder. No difference was found between the suicide victims and the controls with regard to [3H]nipecotic acid binding to GABA uptake sites (Bmax) and apparent affinity (Kd). No differences were found either with regard to method of suicide or whether a depressive symptom existed or not. The binding of [3H]nipecotic acid to GABA uptake sites was also studied in post mortem human frontal cortex with regard to aging. The age of the subjects ranged from 16 to 84 years. No significant difference in either Bmax or Kd was found. The present findings suggest that the GABA uptake sites in the human frontal cortex are not subjected to regulation or degenerative changes in conditions investigated.

 

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