JOURNAL ARTICLE

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

Xiaoling Wang, V Reid Sutton, J Omar Peraza-Llanes, Zhiyin Yu, Rebecca Rosetta, Ying-Chuck Kou, Tanya N Eble, Ankita Patel, Christina Thaller, Ping Fang, Ignatia B Van den Veyver
Nature Genetics 2007, 39 (7): 836-8
17546030
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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