A nonsense mutation in the gene ROR2 underlying autosomal dominant brachydactyly type B.

Brachydactyly type B1 (BDB1), an autosomal dominant condition characterized by terminal deficiency of the fingers and toes, results from mutations in the gene ROR2 encoding a receptor tyrosine kinase. In addition to BDB1, mutations in the gene ROR2 also cause a more severe form of skeletal dysplasia, autosomal recessive Robinow syndrome. The present study reports on a large Punjabi-speaking Pakistani family segregating autosomal dominant BDB1. In total, 34 individuals in this family showed features of BDB1. Sequence analysis of the gene ROR2 identified a previously reported nonsense mutation (c.2278C>T, p.Q760X) in all affected individuals of the family.

Citation

Rabia Habib, Muhammad Amin-Ud-Din, Wasim Ahmad. A nonsense mutation in the gene ROR2 underlying autosomal dominant brachydactyly type B. Clinical dysmorphology. 2013 Apr;22(2):47-50

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PMID: 23238279

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