Bipolar disorders · 2015
Prevalence of Huntington's disease gene CAG trinucleotide repeat alleles in patients with bipolar disorder.
Сравнительное исследованиеСтатьяПоддержка NIH: внешняя программаПоддержка исследования: вне правительства СШАНазвание и аннотация: Перевод пока не подготовлен
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Ramos Eliana Marisa, Gillis Tammy, Mysore Jayalakshmi S, Lee Jong-Min, Alonso Isabel, Gusella James F, Smoller Jordan W, Sklar Pamela, MacDonald Marcy E, Perlis Roy H
Аннотация
OBJECTIVES: Huntington's disease is a neurodegenerative disorder characterized by motor, cognitive, and psychiatric symptoms that are caused by huntingtin gene (HTT) CAG trinucleotide repeat alleles of 36 or more units. A greater than expected prevalence of incompletely penetrant HTT CAG repeat alleles observed among individuals diagnosed with major depressive disorder raises the possibility that another mood disorder, bipolar disorder, could likewise be associated with Huntington's disease.
METHODS: We assessed the distribution of HTT CAG repeat alleles in a cohort of individuals with bipolar disorder. HTT CAG allele sizes from 2,229 Caucasian individuals diagnosed with DSM-IV bipolar disorder were compared to allele sizes in 1,828 control individuals from multiple cohorts.
RESULTS: We found that HTT CAG repeat alleles > 35 units were observed in only one of 4,458 chromosomes from individuals with bipolar disorder, compared to three of 3,656 chromosomes from control subjects.
CONCLUSIONS: These findings do not support an association between bipolar disorder and Huntington's disease.
METHODS: We assessed the distribution of HTT CAG repeat alleles in a cohort of individuals with bipolar disorder. HTT CAG allele sizes from 2,229 Caucasian individuals diagnosed with DSM-IV bipolar disorder were compared to allele sizes in 1,828 control individuals from multiple cohorts.
RESULTS: We found that HTT CAG repeat alleles > 35 units were observed in only one of 4,458 chromosomes from individuals with bipolar disorder, compared to three of 3,656 chromosomes from control subjects.
CONCLUSIONS: These findings do not support an association between bipolar disorder and Huntington's disease.