Document Detail

Pediatric reference intervals for muscle coenzyme Q10.
MedLine Citation:
PMID:  23020092     Owner:  NLM     Status:  Publisher    
Coenzyme Q(10) (CoQ(10)) is present in humans in both the reduced (ubiquinol, CoQ(10)H(2)) and oxidized (ubiquinone, CoQ(10)) forms. CoQ(10) is an essential cofactor in mitochondrial oxidative phosphorylation, and is necessary for ATP production. Total, reduced and oxidized CoQ(10) levels in skeletal muscle of 148 children were determined by HPLC coupled with electrochemical detection, and we established three level thresholds for total CoQ(10) in muscle. We defined as "severe deficiency", CoQ(10) levels falling in the range between 0.82 and 4.88 μmol/g tissue; as "intermediate deficiency", those ranging between 5.40 and 9.80 μmol/g tissue, and as "mild deficiency", the amount of CoQ(10) included between 10.21 and 19.10 μmol/g tissue. Early identification of CoQ(10) deficiency has important implications in children, not only for those with primary CoQ(10) defect, but also for patients with neurodegenerative disorders, in order to encourage earlier supplementation with this agent also in mild and intermediate deficiency.
Anna Pastore; Gianna Di Giovamberardino; Sara Petrillo; Sara Boenzi; Enrico Bertini; Carlo Dionisi-Vici; Fiorella Piemonte
Publication Detail:
Type:  JOURNAL ARTICLE     Date:  2012-10-1
Journal Detail:
Title:  Biomarkers : biochemical indicators of exposure, response, and susceptibility to chemicals     Volume:  -     ISSN:  1366-5804     ISO Abbreviation:  Biomarkers     Publication Date:  2012 Oct 
Date Detail:
Created Date:  2012-10-1     Completed Date:  -     Revised Date:  -    
Medline Journal Info:
Nlm Unique ID:  9606000     Medline TA:  Biomarkers     Country:  -    
Other Details:
Languages:  ENG     Pagination:  -     Citation Subset:  -    
Laboratory of Metabolomics and Proteomics.
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