期刊
MOLECULAR GENETICS AND METABOLISM
卷 104, 期 4, 页码 517-520出版社
ACADEMIC PRESS INC ELSEVIER SCIENCE
DOI: 10.1016/j.ymgme.2011.09.020
关键词
Anti-apoptotic factor; Complex I deficiency; Ventriculomegaly
资金
- Association Myologie Francaise (AFM)
- Israeli Ministry of Health [5914]
The identification of disease causing mutation in patients with neurodegenerative disorders originating from small, non-consanguineous families is challenging. Three siblings were found to have ventriculomegaly at early gestation; postnatally, there was no acquisition of developmental milestones, and the muscles of the children were dystrophic. Plasma and CSF lactate levels were normal, but the activities of mitochondrial complex I and IV were markedly decreased. Using linkage analysis in the family, followed by whole exome sequencing of a single patient, we identified a pathogenic mutation in the AIFM1 gene which segregated with the disease state and was absent in 36 anonymous controls. This is the second report of a mutation in the AIFM1 gene, extending the clinical spectrum to include prenatal ventriculomegaly and underscores the importance of AIF for complex I assembly. In summary, linkage analysis followed by exome sequencing of a single patient is a cost-effective approach for the identification of disease causing mutations in small non-consanguineous families. (C) 2011 Elsevier Inc. All rights reserved.
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