Biochemistry Topics, Nitrogen Metabolism
Last Updated: February 23, 2026 Introduction to Heme Biosynthesis The processes of heme biosynthesis and degradation to bilirubin constitute the pathways of heme and bilirubin metabolism. Heme molecules are derived from the porphyrins. Porphyrins are complex chemical...
Diseases and Disorders, Porphyrias and Bilirubinemias
Last Updated: October 30, 2025 Introduction to Erythropoietic Protoporphyria 1 (EPP1) Erythropoietic protoporphyria 1 (EPP1) is disorder that is a member of a family of disorders referred to as the porphyrias. EPP1 can be inherited as an autosomal recessive or...
Diseases and Disorders, Porphyrias and Bilirubinemias
Last Updated: October 30, 2025 Introduction to Variegate Porphyria Variegate porphyria (VP) is an autosomal dominant disorder that is a member of a family of disorders referred to as the porphyrias. VP is also known by the names porphyria variegata,...
Diseases and Disorders, Porphyrias and Bilirubinemias
Last Updated: October 30, 2025 Introduction to Porphyria Cutanea Tarda Porphyria cutanea tarda (PCT) is an autosomal dominant disorder that is a member of a family of disorders referred to as the porphyrias. Each disease in this family results from deficiencies in a...
Diseases and Disorders, Porphyrias and Bilirubinemias
Last Updated: October 30, 2025 Introduction to Congenital Erythropoietic Porphyria Congenital erythropoietic porphyria, CEP (also referred to as Günther disease) is inherited as an autosomal recessive disorder. CEP a disorder that is a member of a family of disorders...
