Journal
AMERICAN JOURNAL OF MEDICAL GENETICS PART A
Volume 146A, Issue 16, Pages 2152-2154Publisher
WILEY-BLACKWELL
DOI: 10.1002/ajmg.a.32441
Keywords
brachydactyly type A1; limb development; congenital malformation; Indian hedgehog
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Brachydactyly type A1 is a limb malformation characterized by a uniform shortening of the middle phalanges in all digits. Mutations in the Indian hedgehog (IHH) gene were shown to be the cause of this autosomal dominant disorder. The IHH protein is known to be an important signaling molecule involved in chondrocyte formation. So far, only missense mutations in IHH have been reported to cause BrachydactylyA1. We report here on the first deletion in IHH, p.delE95, causing mild BrachydactylyA1 in a small Dutch family, This brings the total number of different mutations found to cause BDA1 to 7. (C) 2008 Wiley-Liss, Inc.
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