Journal
MOLECULAR PSYCHIATRY
Volume 7, Issue 7, Pages 734-744Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/sj.mp.4001074
Keywords
manic depressive illness; bipolar disorder; chromosome 12; chromosome 1; linkage
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The present study reports a genomewide scan using linkage analysis for risk genes involved in bipolar disorder with 613 microsatellite markers including additional testing of promising regions. As previously published significant linkage was obtained at chromosome 12q24.3 with a two-point parametric lod score of 3.42 at D12S1639 including all members in both families (empirical P-value 0.00004, genome-wide P-value 0.0417). The multipoint parametric lod score at D12S1639 was 3.63 (genome-wide P-value 0.0265). At chromosome 1p22-p21 a parametric, affecteds-only two-point lod score of 2.75 at marker DIS216 was found (empirical P-value 0.0002, genome-wide P-value 0.1622). A three-point loci score of 2.98 (genome-wide P-value 0.1022) at WS216, and a multipoint non-parametric analysis with a maximum NPL-all score of 17.60 (P-value 0.00079) at WS216 further supported this finding. A number of additional loci on chromosomes 4p16, 6q14-q22, 10q26 and 16p13.3 yielded parametric loci scores around or above 2.
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