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 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 Dubin-Johnson Syndrome Dubin-Johnson syndrome is an autosomal recessive disorder that belongs to a family of disorders that result as a consequence of defects in the metabolism and/or excretion of bilirubin. Bilirubin is...
Diseases and Disorders, Porphyrias and Bilirubinemias
Last Updated: October 30, 2025 Introduction to Crigler-Najjar Syndromes The Crigler-Najjar syndromes (CNS) belong to a family of autosomal recessive disorders that result as a consequence of defects in the metabolism and/or excretion of bilirubin. Bilirubin is the...
