Journal
NATURE GENETICS
Volume 39, Issue 7, Pages 836-838Publisher
NATURE PUBLISHING GROUP
DOI: 10.1038/ng2057
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Funding
- NICHD NIH HHS [HD024064, HD051805] Funding Source: Medline
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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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