A TNNI2 mutation in a family with distal arthrogryposis type 2B.

Abstract:

:Linkage mapping in a three-generation family with a distal arthrogryposis (DA) phenotype intermediate between DA2A and DA1 indicated linkage to 11p15.5 but not 9p13. Follow up DNA sequencing of the TNNI2 gene detected a three base pair deletion that would be predicted to result in the deletion of a glutamic acid at codon position 167 (DeltaE167). This mutation, like the two previously described TNNI2 mutations, is located in the carboxy-terminal domain and thus supports the existence of a TNNI2 critical region sensitive to alteration that will give rise to DA. Physical examination of family members confirms the high degree of variability in expression amongst mutation carriers.

journal_name

Eur J Med Genet

authors

Shrimpton AE,Hoo JJ

doi

10.1016/j.ejmg.2005.06.003

keywords:

subject

Has Abstract

pub_date

2006-03-01 00:00:00

pages

201-6

issue

2

eissn

1769-7212

issn

1878-0849

pii

S1769-7212(05)00114-X

journal_volume

49

pub_type

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