Causative and common PHOX2B variants define a broad phenotypic spectrum

Abstract excerpt

Paired Like homeobox 2B (PHOX2B) is a gene crucial for the differentiation of the neural lineages of the autonomic nervous system (ANS), whose coding mutations cause congenital central hypoventilation syndrome (CCHS). The vast majority of PHOX2B mutations in CCHS is represented by expansions of a polyalanine region in exon 3, collectively defined PARMs (PolyAlanine Repeat Mutations), the minority being...

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