Genetic study in a Singaporean patient with erythropoietic protoporphyria.

Abstract excerpt

Erythropoietic protoporphyria (EPP) is a rare autosomal dominant disorder of haem biosynthesis resulting from a partial decrease in ferrochelatase (FECH) activity which leads to the excessive accumulation of protoporphyrin in blood, erythrocytes and tissues. Cutaneous manifestations of photosensitivity usually appear in early infancy upon the first sun exposures. This normally requires the co-inheritance of a...

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