Results 1 to 10 of about 68,473 (259)

BH4-deficient hyperphenylalaninemia in Russia

open access: goldPLoS ONE, 2021
A timely detection of patients with tetrahydrobiopterin (BH4) -deficient types of hyperphenylalaninemia (HPABH4) is important for assignment of correct therapy, allowing to avoid complications.
Polina Gundorova   +2 more
exaly   +4 more sources

Case Report: Severe Hypotonia Without Hyperphenylalaninemia Caused by a Homozygous GCH1 Variant: A Case Report and Literature Review

open access: goldFrontiers in Genetics, 2022
Dopa-responsive dystonia (DRD) comprises a group of rare but treatable dystonias that exhibit diurnal fluctuation. The GCH1 gene encodes GTP cyclohydrolase-1 (GTPCH-І), a protein that catalyzes the first rate-limiting step of tetrahydrobiopterin ...
Yun Chen   +4 more
doaj   +2 more sources

Clinical and Genetic Characteristics of Patients with Mild Hyperphenylalaninemia Identified by Newborn Screening Program in Japan [PDF]

open access: goldInternational Journal of Neonatal Screening, 2021
Phenylketonuria (PKU) and hyperphenylalaninemia (HPA), both identified in newborn screening, are attributable to variants in PAH. Reportedly, the p.R53H(c.158G>A) variant is common in patients with HPA in East Asia.
Shino Odagiri   +8 more
doaj   +2 more sources

Micronutrient in hyperphenylalaninemia

open access: yesData in Brief, 2015
The data presented here are the biochemical parameters of 156 patients with hyperphenylalaninemia. PKU patients, who, in order to maintain optimal serum Phe concentrations, receive dietary treatment consisting of a diet low in natural protein ...
Vanesa Crujeiras   +8 more
doaj   +4 more sources

Quantitative Ultrasound for the Assessment of Bone Quality in Hyperphenylalaninemia/Phenylketonuria Patients: Vitamin D Supplementation Versus No Supplementation [PDF]

open access: yesMetabolites
Background/Objectives: Skeletal impairment has been reported as a common finding in Hyperphenylalaninemia (HPA)/Phenylketonuria (PKU) patients regardless of age and method of diagnosis, both in children and adults.
Albina Tummolo   +6 more
doaj   +2 more sources

Cognitive functioning in mild hyperphenylalaninemia

open access: yesMolecular Genetics and Metabolism Reports, 2015
Background: Hyperphenylalaninemia is a hereditary metabolic disorder that causes elevated blood phenylalanine (Phe). Hyperphenylalaninemias are classified as Phenylketonuria PKU (Phe > 6 mg/dL) or mild hyperphenylalaninemia (mHPA) (Phe 2–6 mg/dL).
Alicia de la Parra   +4 more
doaj   +4 more sources

Mutationen im PTS-Gen und mögliche Auswirkungen auf Funktion und Struktur der 6-Pyruvoyl-Tetrahydropterin-Synthase [PDF]

open access: yes, 2002
Background: Research on Juvenile Idiopathic Arthritis (JIA) should support patients, caregivers/parents (carers) and clinicians to make important decisions in the consulting room and eventually to improve the lives of patients with JIA.
Preuße, Friedrich-Alexander   +1 more
core   +15 more sources

Gene mutations in children with phenylalanine hydroxylase deficiency: an analysis of 45 cases in some regions of Chongqing

open access: yesDi-san junyi daxue xuebao, 2021
Objective To explore the gene mutation frequency and characteristics of phenylalanine hydroxylase (PAH) in PAH deficiency children in some regions of Chongqing in order to provide scientific reference for the diagnosis and treatment of the disease ...
WANG Dongjuan   +9 more
doaj   +1 more source

Importance of Studying Older Siblings of Patients Identified by Newborn Screening: a Single-Center Experience in Mexico

open access: yesJournal of Inborn Errors of Metabolism and Screening, 2021
Introduction: Any abnormal newborn screening (NBS) test should be subjected to appropriate diagnostic tests and should be followed. Once the newborn has been diagnosed and treated, the family should receive comprehensive genetic services.
Isabel Ibarra-González   +6 more
doaj   +1 more source

Genotypic spectrum underlying tetrahydrobiopterin metabolism defects: Experience in a single Mexican reference center

open access: yesFrontiers in Genetics, 2022
Background: Pterin profiles or molecular analyses of hyperphenylalaninemia (HPA) caused by phenylalanine hydroxylase (PAH) deficiency or tetrahydrobiopterin deficiency (BH4D) are not always available in low- or middle-income countries, including Mexico ...
M. Vela-Amieva   +10 more
doaj   +1 more source

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