Document Detail

Abnormal behavioral phenotypes of serotonin transporter knockout mice: parallels with human anxiety and depression.
MedLine Citation:
PMID:  14625137     Owner:  NLM     Status:  MEDLINE    
Evidence of a link between genetic variation of the serotonin transporter and depression and anxiety prompted the generation of serotonin transporter knockout mice. Loss of serotonin reuptake function in knock-outs causes reduced clearance of extracellular serotonin and associated alterations in serotonin neuronal firing and receptor function. Behavioral phenotyping function in knock-outs revealed genetic background-related abnormalities, including increased anxiety-like behaviors, reduced aggression, and exaggerated stress responses. Ongoing studies focus on identifying environmental, genetic, and developmental factors interacting with the htt mutation to produce these abnormalities. Serotonin transporter null mutant mice provide a model system to study how genetic variation in serotonin transporter function affects risk for neuropsychiatric disease.
Andrew Holmes; Dennis L Murphy; Jacqueline N Crawley
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Publication Detail:
Type:  Comparative Study; Journal Article    
Journal Detail:
Title:  Biological psychiatry     Volume:  54     ISSN:  0006-3223     ISO Abbreviation:  Biol. Psychiatry     Publication Date:  2003 Nov 
Date Detail:
Created Date:  2003-11-19     Completed Date:  2003-12-29     Revised Date:  2006-11-15    
Medline Journal Info:
Nlm Unique ID:  0213264     Medline TA:  Biol Psychiatry     Country:  United States    
Other Details:
Languages:  eng     Pagination:  953-9     Citation Subset:  IM    
Laboratory of Behavioral Neuroscience, National Institute of Mental Health, Bethesda, Maryland 20892-1375, USA.
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MeSH Terms
Anxiety / genetics,  metabolism*
Behavior, Animal
Carrier Proteins / genetics,  metabolism*
Depression / genetics,  metabolism*
Disease Models, Animal*
Membrane Glycoproteins / genetics,  metabolism*
Membrane Transport Proteins*
Mice, Knockout* / abnormalities,  physiology
Nerve Tissue Proteins*
Serotonin Plasma Membrane Transport Proteins
Reg. No./Substance:
0/Carrier Proteins; 0/Membrane Glycoproteins; 0/Membrane Transport Proteins; 0/Nerve Tissue Proteins; 0/SLC6A4 protein, human; 0/Serotonin Plasma Membrane Transport Proteins; 0/Slc6a4 protein, mouse

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