A patient with homozygous nonsense variants in two Leigh syndrome disease genes: Distinguishing a dual diagnosis from a hypomorphic protein‐truncating variant
Lake N, Formosa L, Stroud D, Ryan M, Calvo S, Mootha V, Morar B, Procopis P, Christodoulou J, Compton A, Thorburn D. A patient with homozygous nonsense variants in two Leigh syndrome disease genes: Distinguishing a dual diagnosis from a hypomorphic protein‐truncating variant. Human Mutation 2019, 40: 893-898. PMID: 30981218, PMCID: PMC6661004, DOI: 10.1002/humu.23753.Peer-Reviewed Original ResearchMeSH KeywordsEarly DiagnosisExome SequencingGene Knockout TechniquesHEK293 CellsHomozygoteHumansLeigh DiseaseMitochondrial Membrane Transport ProteinsMitochondrial Precursor Protein Import Complex ProteinsPyruvate Dehydrogenase ComplexSequence DeletionConceptsProtein-truncating variantsCI assemblyC-terminusLeigh syndromeMutant proteinsKnockout cellsDisease genesUncharacterized variantsHypomorphic effectPathogenic variantsLeigh-like syndromeMitochondrial diseaseWhole-exome sequencingGenomic criteriaFunctional studiesAmino acidsGenesTIMMDC1Homozygous nonsense variantPatient's clinical phenotypeClinical phenotypeExome sequencingNonsense variantMedical GeneticsDual diagnosis