Torsion dystonia genes in two populations confined to a small region on chromosome 9q32-34

David J. Kwiatkowski, Laurie Ozelius, Patricia L. Kramer, Scott Perman, Deborah E. Schuback, James F. Gusella, Stanley Fahn, Xandra O. Breakefield

Research output: Contribution to journalArticle

26 Citations (Scopus)

Abstract

Idiopathic torsion dystonia (ITD) is characterized by sustained, involuntary muscle contractions, frequently causing twisting and repetitive movements or abnormal postures. Most familial forms of ITD display autosomal dominant inheritance with reduced penetrance. Linkage analysis has been previously used to localize a dystonia gene to the 9q32-34 region in a large non-Jewish family and in a group of Ashkenazi Jewish families. Utilizing GT repeat polymorphisms from this region, here we demonstrate that the gene causing dystonia in Ashkenazi Jews can be localized to the 11-cM interval between AK1 and D9S10. Linkage analysis in the non-Jewish family is also consistent with occurrence of the gene in this region, although positive lod scores extend over a >20-cM interval in that family. These results set the stage for positional cloning of the dystonia gene. Currently there are no known candidate genes in this region.

Original languageEnglish (US)
Pages (from-to)366-371
Number of pages6
JournalAmerican Journal of Human Genetics
Volume49
Issue number2
StatePublished - Aug 1991

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Dystonia Musculorum Deformans
Chromosomes
Dystonia
Population
Genes
Lod Score
Jews
Penetrance
Dyskinesias
Muscle Contraction
Posture
Smooth Muscle
Organism Cloning

ASJC Scopus subject areas

  • Genetics

Cite this

Kwiatkowski, D. J., Ozelius, L., Kramer, P. L., Perman, S., Schuback, D. E., Gusella, J. F., ... Breakefield, X. O. (1991). Torsion dystonia genes in two populations confined to a small region on chromosome 9q32-34. American Journal of Human Genetics, 49(2), 366-371.

Torsion dystonia genes in two populations confined to a small region on chromosome 9q32-34. / Kwiatkowski, David J.; Ozelius, Laurie; Kramer, Patricia L.; Perman, Scott; Schuback, Deborah E.; Gusella, James F.; Fahn, Stanley; Breakefield, Xandra O.

In: American Journal of Human Genetics, Vol. 49, No. 2, 08.1991, p. 366-371.

Research output: Contribution to journalArticle

Kwiatkowski, DJ, Ozelius, L, Kramer, PL, Perman, S, Schuback, DE, Gusella, JF, Fahn, S & Breakefield, XO 1991, 'Torsion dystonia genes in two populations confined to a small region on chromosome 9q32-34', American Journal of Human Genetics, vol. 49, no. 2, pp. 366-371.
Kwiatkowski DJ, Ozelius L, Kramer PL, Perman S, Schuback DE, Gusella JF et al. Torsion dystonia genes in two populations confined to a small region on chromosome 9q32-34. American Journal of Human Genetics. 1991 Aug;49(2):366-371.
Kwiatkowski, David J. ; Ozelius, Laurie ; Kramer, Patricia L. ; Perman, Scott ; Schuback, Deborah E. ; Gusella, James F. ; Fahn, Stanley ; Breakefield, Xandra O. / Torsion dystonia genes in two populations confined to a small region on chromosome 9q32-34. In: American Journal of Human Genetics. 1991 ; Vol. 49, No. 2. pp. 366-371.
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