Newly validated biomarkers of brain damage may shed light into the role of oxidative stress in the pathophysiology of neurocognitive impairment in dietary restricted phenylketonuria patients.


Journal

Pediatric research
ISSN: 1530-0447
Titre abrégé: Pediatr Res
Pays: United States
ID NLM: 0100714

Informations de publication

Date de publication:
01 2019
Historique:
received: 20 05 2018
accepted: 04 10 2018
revised: 14 09 2018
pubmed: 20 10 2018
medline: 3 4 2020
entrez: 19 10 2018
Statut: ppublish

Résumé

Despite a strict dietary control, patient with hyperphenylalaninemia or phenylketonuria may show cognitive and/or behavioral disorders. These comorbid deficits are of great concern to patients, families, and health organizations. However, biomarkers capable of detecting initial stages of neurological damage are not commonly employed. The pathogenesis of phenylketonuria is complex in nature. Increasingly, the role of oxidative stress has gained acceptance and biomarkers reflecting oxidative damage to the brain and easily accessible in peripheral biofluids have been validated using mass spectrometry techniques. In the present review, the role of oxidative stress in the pathogenesis of phenylketonuria and hyperphenylalaninemia has been updated. Moreover, we report on newly validated brain-specific lipid peroxidation biomarkers and inform on their relevance in the detection and monitoring of neurological damage in phenylketonuric patients. In preliminary studies, a correlation between lipid peroxidation biomarkers and neurological dysfunction in patients with PKU was reported. However, there is a need of adequately powered trials to confirm the validity of these biomarkers for early detection of brain damage, initiation of treatment, and reliably monitor evolving disease both in phenylketonuria and hyperphenylalaninemia.

Identifiants

pubmed: 30333522
doi: 10.1038/s41390-018-0202-x
pii: 10.1038/s41390-018-0202-x
doi:

Substances chimiques

Biomarkers 0
Phenylalanine 47E5O17Y3R

Types de publication

Journal Article Research Support, Non-U.S. Gov't Review

Langues

eng

Sous-ensembles de citation

IM

Pagination

242-250

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Auteurs

Dolores Rausell (D)

Division of Congenital Metabolopathies, University and Polytechnic Hospital La Fe, Valencia, Spain.

Ana García-Blanco (A)

Neonatal Research Group, Health Research Institute La Fe, Valencia, Spain.

Patricia Correcher (P)

Division of Congenital Metabolopathies, University and Polytechnic Hospital La Fe, Valencia, Spain.

Isidro Vitoria (I)

Division of Congenital Metabolopathies, University and Polytechnic Hospital La Fe, Valencia, Spain.

Máximo Vento (M)

Neonatal Research Group, Health Research Institute La Fe, Valencia, Spain.

Consuelo Cháfer-Pericás (C)

Neonatal Research Group, Health Research Institute La Fe, Valencia, Spain. m.consuelo.chafer@uv.es.

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