Homozygous Variegate Porphyria: Identification of Mutations on Both Alleles of the Protoporphyrinogen Oxidase Gene in a Severely Affected Proband

Homozygous variegate porphyria is a severe skin and neurologic disease manifesting in early infancy, and characterized by markedly reduced levels of the penultimate enzyme in the heme biosynthetic pathway, protoporphyrinogen oxidase. We investigated the molecular basis of variegate porphyria, usuall... View More