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Title

An apparently dominant bipolar affective disorder (BPAD) locus on chromosome 20p11.2-q11.2 in a large Turkish pedigree

Authors
Radhakrishna, U.
Senol, S.
Herken, H.
Gucuyener, K.
Akarsu, N. A.
Published in European Journal of Human Genetics. 2001, vol. 9, no. 1, p. 39-44
Abstract Bipolar affective disorder (BPAD), also known as manic-depressive illness, is a common complex, polygenic disorder characterised by recurrent cyclic episodes of mania and depression. Family, twin, and adoption studies strongly suggest a genetic predisposition/susceptibility to BPAD, but no genes have yet been identified. We studied a large Turkish pedigree, with an apparently autosomal dominant BPAD, which contained 13 affected individuals. The age of onset ranged from 15-40 with a mean of 25 years. The phenotypes consisted of recurrent manic and major depressive episodes, including suicidal attempts; there was usually full remission with lithium treatment. A genome-wide linkage analysis using a dominant mode of inheritance showed strong evidence for a BPAD susceptibility locus on chromosome 20p11.2-q11.2. The highest 2-point lod score of 4.34 at theta = 0 was obtained with markers D20S604, D20S470, D20S836 and D20S838 using a dominant model with full penetrance. Haplotype analysis enabled the mapping of the BPAD locus in this family between markers D20S186 and D20S109, to a region of approximately 42 cM.
Keywords AdultAgedAllelesBipolar Disorder/ genetics/pathologyChromosome BandingChromosome MappingChromosomes, Human, Pair 20/ geneticsDNA/geneticsFamily HealthFemaleGenes, DominantGenotypeHumansLod ScoreMaleMicrosatellite RepeatsMiddle AgedPedigreePenetrancePhenotypeTurkey
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PMID: 11175298
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Other version: http://www.nature.com/ejhg/journal/v9/n1/pdf/5200584a.pdf
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RADHAKRISHNA, U. et al. An apparently dominant bipolar affective disorder (BPAD) locus on chromosome 20p11.2-q11.2 in a large Turkish pedigree. In: European Journal of Human Genetics, 2001, vol. 9, n° 1, p. 39-44. https://archive-ouverte.unige.ch/unige:8981

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Deposited on : 2010-07-12

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