Mutation in human CLPX elevates levels of {delta}-aminolevulinate synthase and protoporphyrin IX to promote erythropoietic protoporphyria [Medical Sciences]

Loss-of-function mutations in genes for heme biosynthetic enzymes can give rise to congenital porphyrias, eight forms of which have been described. The genetic penetrance of the porphyrias is clinically variable, underscoring the role of additional causative, contributing, and modifier genes. We previously discovered that the mitochondrial AAA+ unfoldase ClpX promotes...

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