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Harlequin ichthyosis: a novel compound mutation of ABCA12 with prenatal diagnosis

Harlequin ichthyosis: a novel compound mutation of ABCA12 with prenatal diagnosis

Clinical and Experimental Dermatology 41(6): 636-639

Harlequin ichthyosis (HI) is the most severe form of recessive congenital ichthyosis, and is frequently lethal. We describe a family with prenatal diagnosis of HI in two siblings. We applied genomic capture and massively parallel sequencing to detect all mutations in 20 genes, including ABCA12, with inherited mutations that predispose to congenital ichthyosis. Sequence analysis of the ABCA12 gene identified two mutations, c.5232 G>A (p.Trp1744*) in exon 34 and c.6443 C>A (p.Pro2148Gln) in exon 44, each in a heterozygous state. Sanger sequencing confirmed that each parent was a heterozygous carrier for one of the variants. The spectrum of mutations identified in this study and previous studies reveals a novel compound mutation of ABCA12.

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Accession: 057966953

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PMID: 27381714

DOI: 10.1111/ced.12861

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