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Nat Genet. 2007 Jul;39(7):836-8. Epub 2007 Jun 3.

Mutations in X-linked PORCN, a putative regulator of Wnt signaling, cause focal dermal hypoplasia.

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1
Department of Obstetrics and Gynecology, Baylor College of Medicine, Houston, Texas 77030, USA.

Abstract

Focal dermal hypoplasia is an X-linked dominant disorder characterized by patchy hypoplastic skin and digital, ocular and dental malformations. We used array comparative genomic hybridization to identify a 219-kb deletion in Xp11.23 in two affected females. We sequenced genes in this region and found heterozygous and mosaic mutations in PORCN in other affected females and males, respectively. PORCN encodes the human homolog of Drosophila melanogaster porcupine, an endoplasmic reticulum protein involved in secretion of Wnt proteins.

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PMID:
17546030
DOI:
10.1038/ng2057
[Indexed for MEDLINE]

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