Article
Congenital central hypoventilation syndrome: genotype-phenotype correlation in parents of affected children carrying a PHOX2B expansion mutation.
Clinical genetics - 1 Sept 2010
Parodi S, Vollono C, Baglietto M P, Balestri M, Di Duca M, Landri P A, Ceccherini I, Ottonello G, Cilio M R
Abstract excerpt
Congenital Central Hypoventilation Syndrome (CCHS) is a rare genetic disorder. Although most CCHS associated PHOX2B mutations occur de novo, about 10% of the cases are inherited from apparently asymptomatic parents, thus confirming variable expressivity and incomplete penetrance of PHOX2B mutations. Three asymptomatic parents of children affected with CCHS, and found to carry the same PHOX2B expansion mutations...
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