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The oxidative molecular regulation mechanism of NOX in children with phenylketonuria.

[phenylketonuria]

Phenylketonuria (PKU) is the most frequent inherited disorder of amino acid metabolism. In our previous work, we investigated the role of NADPH oxidase (NOX) in a Pahenu2-BTBR PKU mouse model, and an in vitro cell culture model of PKU. In the current study, we evaluated various oxidative stress parameters, namely total antioxidant capacity (T-AOC), glutathione (GSH) and maleic dialdehyde (MDA) in the plasma of 40 PKU children, for further investigating the oxidative molecular regulation mechanism of NOX in PKU. It was observed that T-AOC and GSH markedly decreased in PKU as compared with the control group (P<0.01), and seemed to correlate negatively with Phe level. However, there was no statistical difference in MDA level among the three groups. And 8-isoprostane in the blood samples of PKU2 groups was slightly higher than control group (P<0.05). Additionally, mRNA levels of subunits of NOX included p47(phox) and p67(phox) significantly increased in PKU group (P<0.01). These results reflected that NOX is the important source of reactive oxygen species and is involved in the oxidative molecular regulation mechanism in PKU, which shows a new perspective toward understanding the biological underpinnings of PKU.

Diseases presenting "blood samples" symptom

  • 22q11.2 deletion syndrome
  • acute rheumatic fever
  • adrenomyeloneuropathy
  • alpha-thalassemia
  • aniridia
  • aromatase deficiency
  • benign recurrent intrahepatic cholestasis
  • canavan disease
  • classical phenylketonuria
  • cohen syndrome
  • congenital adrenal hyperplasia
  • congenital toxoplasmosis
  • cushing syndrome
  • dystrophic epidermolysis bullosa
  • epidermolysis bullosa simplex
  • erdheim-chester disease
  • erythropoietic protoporphyria
  • esophageal adenocarcinoma
  • fabry disease
  • familial mediterranean fever
  • heparin-induced thrombocytopenia
  • hirschsprung disease
  • hodgkin lymphoma, classical
  • homocystinuria without methylmalonic aciduria
  • kallmann syndrome
  • oculocutaneous albinism
  • oligodontia
  • oral submucous fibrosis
  • papillon-lefèvre syndrome
  • phenylketonuria
  • primary effusion lymphoma
  • scrub typhus
  • sneddon syndrome
  • systemic capillary leak syndrome
  • triple a syndrome
  • typhoid
  • von hippel-lindau disease
  • waldenström macroglobulinemia
  • well-differentiated liposarcoma
  • wolf-hirschhorn syndrome
  • x-linked adrenoleukodystrophy

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