Genotype-Informed Care in Pediatric Phenylketonuria: Linking PAH Variants to Individualized Management
Keywords:
phenylketonuria; PAH gene; genotype-phenotype correlation; sapropterin; pediatric nutritionAbstract
Background: PAH deficiency is genetically heterogeneous, and molecular information increasingly informs pediatricphenylketonuria (PKU) care. Aim: To review genotype-informed diagnosis and individualized treatment of childrenwith PKU. Methods: Narrative review of literature indexed in PubMed and related biomedical databases, together with contemporary guidance. Results: PAH genotyping supports diagnosis
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References
van Wegberg AMJ, MacDonald A, Ahring K, et al. The complete European guidelines on phenylketonuria: diagnosis and treatment. Orphanet J Rare Dis. 2017;12:162.
Smith WE, Berry SA, et al. A 2023 evidence-based clinical guideline of the American College of Medical Genetics and Genomics for the diagnosis and management of phenylalanine hydroxylase deficiency. Genet Med. 2025;27(1):101303
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