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Nucleotide sequence variation within the human tyrosine kinase B neurotrophin receptor gene: association with antisocial alcohol dependence

Nucleotide sequence variation within the human tyrosine kinase B neurotrophin receptor gene:... To identify sequence variants in genes that may have roles in neuronal responses to alcohol, we resequenced the 5′ region of tyrosine kinase B neurotrophin receptor gene (NTRK2) and determined linkage disequilibrium (LD) values, haplotype structure, and performed association analyses using 43 single nucleotide polymorphisms (SNPs) covering the entire NTRK2 region in a Finnish Caucasian sample of 229 alcohol-dependent subjects with antisocial personality disorder (ASPD) and 287 healthy controls. Individually, three SNPs were associated with alcohol dependence and alcohol abuse (AD) (P-value from 0.0019 to 0.0059, significance level was set at P⩽0.01 corrected for multiple testing), whereas a common 18 locus haplotype within the largest LD block of NTRK2, a 119-kb region containing the 5′ flanking region and exons 1–15, was marginally overrepresented in control subjects compared to AD individuals (global P=0.057). Taken together, these results support a role for the NTRK2 gene in addiction in a Caucasian population with AD and a subtype of ASPD. http://www.deepdyve.com/assets/images/DeepDyve-Logo-lg.png The Pharmacogenomics Journal Springer Journals

Nucleotide sequence variation within the human tyrosine kinase B neurotrophin receptor gene: association with antisocial alcohol dependence

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References (37)

Publisher
Springer Journals
Copyright
Copyright
Subject
Biomedicine; Biomedicine, general; Human Genetics; Pharmacotherapy; Gene Expression; Oncology; Psychopharmacology
ISSN
1470-269X
eISSN
1473-1150
DOI
10.1038/sj.tpj.6500430
Publisher site
See Article on Publisher Site

Abstract

To identify sequence variants in genes that may have roles in neuronal responses to alcohol, we resequenced the 5′ region of tyrosine kinase B neurotrophin receptor gene (NTRK2) and determined linkage disequilibrium (LD) values, haplotype structure, and performed association analyses using 43 single nucleotide polymorphisms (SNPs) covering the entire NTRK2 region in a Finnish Caucasian sample of 229 alcohol-dependent subjects with antisocial personality disorder (ASPD) and 287 healthy controls. Individually, three SNPs were associated with alcohol dependence and alcohol abuse (AD) (P-value from 0.0019 to 0.0059, significance level was set at P⩽0.01 corrected for multiple testing), whereas a common 18 locus haplotype within the largest LD block of NTRK2, a 119-kb region containing the 5′ flanking region and exons 1–15, was marginally overrepresented in control subjects compared to AD individuals (global P=0.057). Taken together, these results support a role for the NTRK2 gene in addiction in a Caucasian population with AD and a subtype of ASPD.

Journal

The Pharmacogenomics JournalSpringer Journals

Published: Jan 2, 2007

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