Complex segregation analyses of Old Order Amish families ascertained through bipolar I individuals

D. L. Pauls, J. N. Bailey, A. S. Carter, C. R. Allen, Janice Egeland

Research output: Contribution to journalArticle

31 Citations (Scopus)

Abstract

Specific genetic hypotheses about the mode of transmission of bipolar affective disorders were examined by performing complex segregation analyses of Old Order Amish families. The analyses were performed on 1) the total set of 42 families including 689 relatives, 2) a subset of 19 families consisting of those kindreds sharing common ancestors within three generations that contained 333 relatives, and 3) a subset of 23 more distantly related families with 356 relatives. When all 42 families were included in the analyses, the specific mode of transmission that could be distinguished was dependent upon the diagnostic scheme used in the analysis. An autosomal dominant mode of inheritance could be rejected when relatives with bipolar I, atypical bipolar, major depressive disorder, and hypomania were included as affected. When analyses included only the subset of families more closely related, an autosomal dominant inheritance model was found to be consistent with transmission of BP I disorder. It was not possible to distinguish between other transmission models with broader diagnostic schemes in this subset of families. Finally, results of analyses on the subset of more distantly related families suggest that there is a significant proportion of Old Order Amish families in which the genetic factors contributing to the expression of bipolar illness are either polygenic or oligogenic.

Original languageEnglish
Pages (from-to)290-297
Number of pages8
JournalAmerican Journal of Medical Genetics - Neuropsychiatric Genetics
Volume60
Issue number4
DOIs
StatePublished - Aug 28 1995
Externally publishedYes

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Amish
Major Depressive Disorder

Keywords

  • affective disorders
  • genetics
  • manic depressive illness
  • segregation analysis

ASJC Scopus subject areas

  • Genetics(clinical)
  • Neuropsychology and Physiological Psychology
  • Neuroscience(all)

Cite this

Complex segregation analyses of Old Order Amish families ascertained through bipolar I individuals. / Pauls, D. L.; Bailey, J. N.; Carter, A. S.; Allen, C. R.; Egeland, Janice.

In: American Journal of Medical Genetics - Neuropsychiatric Genetics, Vol. 60, No. 4, 28.08.1995, p. 290-297.

Research output: Contribution to journalArticle

Pauls, D. L. ; Bailey, J. N. ; Carter, A. S. ; Allen, C. R. ; Egeland, Janice. / Complex segregation analyses of Old Order Amish families ascertained through bipolar I individuals. In: American Journal of Medical Genetics - Neuropsychiatric Genetics. 1995 ; Vol. 60, No. 4. pp. 290-297.
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