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Fine mapping of candidate regions for bipolar disorder provides strong evidence for susceptibility loci on chromosomes 7q.


ABSTRACT: Genomewide scans of bipolar disorder (BP) have not produced consistent linkage findings. Follow-up studies using enlarged samples and enhanced marker density can bolster or refute claims of linkage and pave the way to gene discovery. We conducted linkage and association analyses, using a ~3-cM density map of 10 candidate regions, in a large BP pedigree sample (865 individuals from 56 pedigrees). The candidate regions were identified in a previous 10-cM genome-wide scan using a subset of this sample (373 individuals from 40 pedigrees). The present sample consists of the expanded original pedigrees ("core" pedigrees) and 16 additional pedigrees. We obtained experiment-wide significant linkage on chromosome 7q34 (LOD score 3.53, P?

SUBMITTER: Xu H 

PROVIDER: S-EPMC3084374 | biostudies-literature | 2011 Mar

REPOSITORIES: biostudies-literature

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Fine mapping of candidate regions for bipolar disorder provides strong evidence for susceptibility loci on chromosomes 7q.

Xu Haiyan H   Cheng Rong R   Juo Suh-Hang SH   Liu Jianjun J   Loth Jo Ellen JE   Endicott Jean J   Gilliam Conrad C   Baron Miron M  

American journal of medical genetics. Part B, Neuropsychiatric genetics : the official publication of the International Society of Psychiatric Genetics 20101216 2


Genomewide scans of bipolar disorder (BP) have not produced consistent linkage findings. Follow-up studies using enlarged samples and enhanced marker density can bolster or refute claims of linkage and pave the way to gene discovery. We conducted linkage and association analyses, using a ~3-cM density map of 10 candidate regions, in a large BP pedigree sample (865 individuals from 56 pedigrees). The candidate regions were identified in a previous 10-cM genome-wide scan using a subset of this sam  ...[more]

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