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Effects of N-acetyl Cystein (NAC) Supplementation in G6PD Deficient Individuals After Acute Exercise

2016-10-19 02:38:21 | BioPortfolio

Summary

The purpose of this study is to investigate the effects of N-acetyl Cystein (NAC) supplementation on redox status, physiological and biochemical parameters in G6PD deficient individuals after acute exercise.

Description

In a randomized double-blind, crossover design, 12 adult volunteers with G6PD deficiency of both sexes will be supplemented with either 10 mg/kg of NAC (experimental condition - EC) or placebo (control condition - CC) every day for 4 weeks. Before intervention, all participants will be informed about the study protocol, fill a medical history questionnaire and sign an informed consent form. Moreover, measurements of anthropometric characteristics and physiological parameters, as well as a VO2max test will be performed.

Participants will perform 4 trials of exercise (70% VO2max for 45min and 90% till exhaustion) before and after each condition. Blood samples will be collected before, immediately after and 1 hour after exercise. Moreover, measurements of anthropometric characteristics and physiological parameters will be performed before and after each condition. There will be a washout period of at 4 weeks between conditions.

Study Design

Allocation: Randomized, Endpoint Classification: Efficacy Study, Intervention Model: Crossover Assignment, Masking: Double Blind (Subject, Caregiver, Investigator, Outcomes Assessor), Primary Purpose: Treatment

Conditions

G6PD Deficiency

Intervention

N-acetyl cystein, Placebo

Location

Department of Physical Education & Sport Science of the University of Thessaly
Trikala
Karyes
Greece
42100

Status

Not yet recruiting

Source

University of Thessaly

Results (where available)

View Results

Links

Published on BioPortfolio: 2016-10-19T02:38:21-0400

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Medical and Biotech [MESH] Definitions

A hexosaminidase specific for non-reducing N-acetyl-D-hexosamine residues in N-acetyl-beta-D-hexosaminides. It acts on GLUCOSIDES; GALACTOSIDES; and several OLIGOSACCHARIDES. Two specific mammalian isoenzymes of beta-N-acetylhexoaminidase are referred to as HEXOSAMINIDASE A and HEXOSAMINIDASE B. Deficiency of the type A isoenzyme causes TAY-SACHS DISEASE, while deficiency of both A and B isozymes causes SANDHOFF DISEASE. The enzyme has also been used as a tumor marker to distinguish between malignant and benign disease.

A hexosiminidase that specifically hydrolyzes terminal non-reducing N-acetyl-D-galactosamine residues in N-acetyl-beta-D-galactosaminides.

An enzyme that catalyzes the formation of acetoacetyl-CoA from two molecules of ACETYL COA. Some enzymes called thiolase or thiolase-I have referred to this activity or to the activity of ACETYL-COA C-ACYLTRANSFERASE.

An acetyl ester of ADENOSINE DIPHOSPHATE RIBOSE formed during NAD-dependent deacetylation of proteins by SIRTUINS. The acetate group resides on the ribose ring where nicotinamide was cleaved from NAD during the reaction. Several isomers of O-acetyl-ADP-ribose have been isolated from the reaction.

Enzymes catalyzing the transfer of an acetyl group, usually from acetyl coenzyme A, to another compound. EC 2.3.1.

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