Early Diagnosis and Treatment of Purine Nucleoside Phosphorylase (PNP) Deficiency through TREC-Based Newborn Screening
Purine nucleoside phosphorylase (PNP) deficiency is a rare inherited disorder, resulting in severe combined immunodeficiency. To date, PNP deficiency has been detected in newborn screening only through the use of liquid chromatography tandem mass spectrometry. We report the first case in which PNP deficiency was detected by TREC analysis.
Newborn screening; Severe combined immunodeficiency
Martín-Nalda A, Rivière JG, Català-Besa M, García-Prat M, Parra-Martínez A, Martínez-Gallo M, et al. Early Diagnosis and Treatment of Purine Nucleoside Phosphorylase (PNP) Deficiency through TREC-Based Newborn Screening. Int J Neonatal Screen. 2021 Dec;7(4):62.
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