Tag: PKU

November 13, 2025 / Mohammed looti

PHENYLKETONURIA (PKU)

Introduction and Definition Phenylketonuria (PKU) is a rare, inherited disorder of amino acid metabolism that necessitates rigorous clinical attention and lifelong therapeutic management. Classified as an autosomal recessive trait, PKU results from a profound deficiency or complete absence of the enzyme required for the proper utilization of the essential amino acid phenylalanine. Phenylalanine is naturally […]

November 11, 2025 / Mohammed looti

PHENYLPYRUVIC ACID

The Role of Phenylpyruvic Acid Phenylpyruvic acid (PPA) is a crucial intermediate metabolite in the complex catabolism of the essential amino acid, phenylalanine. Under normal physiological conditions, the quantity of PPA generated is negligible, as phenylalanine is efficiently converted into tyrosine through the primary metabolic pathway. However, PPA gains immense clinical significance when this primary […]