期刊
EUROPEAN JOURNAL OF HUMAN GENETICS
卷 19, 期 3, 页码 270-274出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/ejhg.2010.204
关键词
complex I deficiency; NDUFA10 gene; Leigh syndrome
资金
- European Community [LSHM-CT-2004-005260]
Mitochondrial complex I deficiency is the most common defect of the oxidative phosphorylation system. We report a patient with Leigh syndrome who showed a complex I deficiency expressed in cultured fibroblasts and muscle tissue. To find the genetic cause of the complex I deficiency, we screened the mitochondrial DNA and the nuclear-encoded subunits of complex I. We identified compound-heterozygous mutations in the NDUFA10 gene, encoding an accessory subunit of complex I. The first mutation disrupted the start codon and the second mutation resulted in an amino acid substitution. The fibroblasts of the patient displayed decreased amount and activity, and a disturbed assembly of complex I. These results indicate that NDUFA10 is a novel candidate gene to screen for disease-causing mutations in patients with complex I deficiency. European Journal of Human Genetics (2011) 19, 270-274; doi:10.1038/ejhg.2010.204; published online 8 December 2010
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