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Nat Genet. 2010 Oct;42(10):851-8. doi: 10.1038/ng.659. Epub 2010 Sep 5.

High-throughput, pooled sequencing identifies mutations in NUBPL and FOXRED1 in human complex I deficiency.

Author information

  • 1Center for Human Genetic Research, Massachusetts General Hospital, Boston, Massachusetts, USA.

Abstract

Discovering the molecular basis of mitochondrial respiratory chain disease is challenging given the large number of both mitochondrial and nuclear genes that are involved. We report a strategy of focused candidate gene prediction, high-throughput sequencing and experimental validation to uncover the molecular basis of mitochondrial complex I disorders. We created seven pools of DNA from a cohort of 103 cases and 42 healthy controls and then performed deep sequencing of 103 candidate genes to identify 151 rare variants that were predicted to affect protein function. We established genetic diagnoses in 13 of 60 previously unsolved cases using confirmatory experiments, including cDNA complementation to show that mutations in NUBPL and FOXRED1 can cause complex I deficiency. Our study illustrates how large-scale sequencing, coupled with functional prediction and experimental validation, can be used to identify causal mutations in individual cases.

PMID:
20818383
[PubMed - indexed for MEDLINE]
PMCID:
PMC2977978
Free PMC Article

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