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14q(22) deletion in a familial case of anophthalmia with polydactyly

✍ Scribed by Ahmad, M.E. ;Dada, Rima ;Dada, Tanuj ;Kucheria, Kiran

Publisher: John Wiley and Sons
Year: 2003
Tongue: English
Weight: 175 KB
Volume: 120A
Category: Article
ISSN: 0148-7299
DOI: 10.1002/ajmg.a.10146

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✦ Synopsis

Abstract

We report a family of anophthalmia with ocular and extraocular manifestations. The proband, his three sisters, and two sons had anophthalmia and preaxial polydactyly in the right hand. Cytogenetic analysis was done for the proband and two of his sons, one of whom was affected. Another male child was affected but was not available for cytogenetic analysis. Karyotypes of both affected individuals showed deletion on long arm of 14q22q23. Literature review shows four cases of anophthalmia with extra ocular anomalies associated with 14q (q22q23) deletion. Recently it has been suggested that the human homeobox gene, SIX6, and the BMP‐4 gene are responsible for eye development. Both are located in the chromosome 14q22.3‐q23 region. Deletion in this region has been known to be associated with anophthalmia and pituitary anomalies. This is the first family of anophthalmia, which showed polydactyly with a chromosomal deletion in the 14q22‐q23 region and its familial transmission in two generations with a total of six affected individuals. © 2003 Wiley‐Liss, Inc.

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