Document Detail


A new interaction between SLC6A4 variation and child abuse is associated with resting heart rate.
MedLine Citation:
PMID:  21394855     Owner:  NLM     Status:  MEDLINE    
Abstract/OtherAbstract:
BACKGROUND: The short form of the indel promoter polymorphism (5HTTLPR) of the serotonin transporter gene (SLC6A4) and a history of child abuse have been reported to be associated with an increased risk for the development of depression. A child abuse history has also been associated with more rapid heart rate reactions.
METHODS: A retrospective chart review identified 282 patients with major depression who had been hospitalized and genotyped for the 5HTTLPR polymorphism. A subgroup of 185 females of European ancestry was also identified and analyzed. While hospitalized, heart rate was measured. Child abuse history was documented during the diagnostic evaluation. Analyses of the relationship between 5HTTLPR genotype, history of child abuse, and admission heart rate were conducted.
RESULTS: No main effect on heart rate from the 5HTTLPR genotype or a child abuse history was demonstrated for the entire sample or the subgroup of female patients. However, a genotype-by-abuse interaction was associated with resting heart rate on admission to the hospital (P<.05). Depressed patients, who were homozygous for the long allele and who had been abused, had a heart rate on hospital admission, which was statistically higher than patients with the same genotype but who had not been abused. These findings were consistent both for the 282 patients (7.2 bpm higher) as well as for the subgroup of 185 female patients of European ancestry (9.6 bpm higher).
CONCLUSIONS: A 5HTTLPR genotype interaction of elevated heart rate with a history of child abuse was demonstrated in depressed psychiatric inpatients.
Authors:
Gen Shinozaki; Magdalena Romanowicz; Simon Kung; David A Mrazek
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Publication Detail:
Type:  Journal Article     Date:  2010-12-13
Journal Detail:
Title:  Depression and anxiety     Volume:  28     ISSN:  1520-6394     ISO Abbreviation:  Depress Anxiety     Publication Date:  2011 Mar 
Date Detail:
Created Date:  2011-03-11     Completed Date:  2011-07-27     Revised Date:  2014-07-30    
Medline Journal Info:
Nlm Unique ID:  9708816     Medline TA:  Depress Anxiety     Country:  United States    
Other Details:
Languages:  eng     Pagination:  227-33     Citation Subset:  IM    
Copyright Information:
© 2010 Wiley-Liss, Inc.
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MeSH Terms
Descriptor/Qualifier:
Adult
Alleles*
Arousal / genetics*
Child
Child Abuse / psychology*
Depressive Disorder, Major / diagnosis,  genetics*,  psychology
Female
Follow-Up Studies
Genetic Variation / genetics*
Genotype*
Heart Rate / genetics*,  physiology
Homozygote
Humans
Middle Aged
Patient Admission
Serotonin Plasma Membrane Transport Proteins / genetics*
Statistics as Topic
Chemical
Reg. No./Substance:
0/SLC6A4 protein, human; 0/Serotonin Plasma Membrane Transport Proteins

From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine


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