Linked Life Data

8550953

Source:http://linkedlifedata.com/resource/pubmed/id/8550953

Statements in which the resource exists as a subject.
PredicateObject
rdf:type
lifeskim:mentions
pubmed:issue
4
pubmed:dateCreated
1996-2-20
pubmed:abstractText
Considerable evidence implicates the neurotransmitter gamma-aminobutyric acid (GABA) in the biochemical pathophysiology of mood disorders. Animal models of depression show regional brain GABA deficits and GABA agonists have antidepressant activity in these models. Somatic treatments for depression and mania upregulate the GABAB receptor, similar to the effect of GABA agonists. Clinical data indicate that decreased GABA function accompanies depressed or manic mood states. GABA agonists are effective antidepressant and antimanic agents. Low GABA levels are found in brain, cerebrospinal fluid and plasma of patients with depression and in plasma of patients with mania. Plasma GABA levels, which reflect brain GABA, are not normalized with treatment and clinical remission in depression, suggesting low GABA is not a marker for mood state. Some somatic treatments, including valproic acid and electroconvulsive shock, reduced plasma GABA and response to these correlates with higher levels of baseline plasma GABA. From these data, a GABA hypothesis for mood disorders is formulated. Low GABA function is proposed to be an inherited biological marker of vulnerability for development of mood disorders. Environmental factors, including stress and excessive alcohol use, may increase GABA, causing symptoms of depression or mania. Treatment, or the passage of time, then returns GABA to its presymptomatic baseline as the symptoms remit. This hypothesis, applicable to a subset of mood disordered persons, is testable.
pubmed:grant
pubmed:language
eng
pubmed:journal
pubmed:citationSubset
IM
pubmed:chemical
pubmed:status
MEDLINE
pubmed:month
Aug
pubmed:issn
0165-0327
pubmed:author
pubmed:issnType
Print
pubmed:day
18
pubmed:volume
34
pubmed:owner
NLM
pubmed:authorsComplete
Y
pubmed:pagination
275-81
pubmed:dateRevised
2009-9-28
pubmed:meshHeading
pubmed:year
1995
pubmed:articleTitle
GABA and mood disorders: a brief review and hypothesis.
pubmed:affiliation
Psychiatry Service, Department of Veterans Affairs Medical Center, Dallas, TX 75216, USA.
pubmed:publicationType
Journal Article, Research Support, U.S. Gov't, P.H.S., Research Support, U.S. Gov't, Non-P.H.S., Review, Research Support, Non-U.S. Gov't