Biochemistry Topics, Nitrogen Metabolism
Last Updated: November 29, 2025 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 Rotor Syndrome Rotor syndrome is an autosomal recessive condition that belongs to a family of disorders that result as a consequence of defects in the metabolism and/or excretion of bilirubin. Bilirubin is the by-product...
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 Hereditary Coproporphyria, HCP Hereditary coproporphyria (HCP) results from deficiencies in a specific enzyme involved in the biosynthesis of heme (also called the porphyrin pathway). The term porphyria is...