2023
Multi-omics identifies large mitoribosomal subunit instability caused by pathogenic MRPL39 variants as a cause of pediatric onset mitochondrial disease
Amarasekera S, Hock D, Lake N, Calvo S, Grønborg S, Krzesinski E, Amor D, Fahey M, Simons C, Wibrand F, Mootha V, Lek M, Lunke S, Stark Z, Østergaard E, Christodoulou J, Thorburn D, Stroud D, Compton A. Multi-omics identifies large mitoribosomal subunit instability caused by pathogenic MRPL39 variants as a cause of pediatric onset mitochondrial disease. Human Molecular Genetics 2023, 32: 2441-2454. PMID: 37133451, PMCID: PMC10360397, DOI: 10.1093/hmg/ddad069.Peer-Reviewed Original ResearchMeSH KeywordsDNA, MitochondrialHumansLeigh DiseaseMitochondriaMitochondrial DiseasesMitochondrial ProteinsMultiomicsMutationRibosomal ProteinsConceptsQuantitative proteomicsMitochondrial oxidative phosphorylation systemProtein complex assemblySmall mitoribosomal subunitExome sequencingOxidative phosphorylation systemMitochondrial deoxyribonucleic acidMitochondrial ribosomesMitoribosomal subunitDeoxyribonucleic acidGene-disease associationsLarge subunitOXPHOS disordersSmall subunitComplex assemblyPhosphorylation systemProteomic dataComplex abundanceFunctional validationDisease genesGenome sequencingMitochondrial diseaseCryptic exonGene matchingProtein signatures
2020
Fatal Perinatal Mitochondrial Cardiac Failure Caused by Recurrent De Novo Duplications in the ATAD3 Locus
Frazier A, Compton A, Kishita Y, Hock D, Welch A, Amarasekera S, Rius R, Formosa L, Imai-Okazaki A, Francis D, Wang M, Lake N, Tregoning S, Jabbari J, Lucattini A, Nitta K, Ohtake A, Murayama K, Amor D, McGillivray G, Wong F, van der Knaap M, Vermeulen R, Wiltshire E, Fletcher J, Lewis B, Baynam G, Ellaway C, Balasubramaniam S, Bhattacharya K, Freckmann M, Arbuckle S, Rodriguez M, Taft R, Sadedin S, Cowley M, Minoche A, Calvo S, Mootha V, Ryan M, Okazaki Y, Stroud D, Simons C, Christodoulou J, Thorburn D. Fatal Perinatal Mitochondrial Cardiac Failure Caused by Recurrent De Novo Duplications in the ATAD3 Locus. Med 2020, 2: 49-73.e10. PMID: 33575671, PMCID: PMC7875323, DOI: 10.1016/j.medj.2020.06.004.Peer-Reviewed Original ResearchConceptsMitochondrial diseasePediatric mitochondrial diseaseMitochondrial oxidative phosphorylation complexes IOxidative phosphorylation complexes IDominant-negative mannerStudy of RNADNA sequencing techniquesSegmental duplicationsGenomic strategiesQuantitative proteomicsWhole genomeGenomic investigationsGene locusRepetitive regionsSequencing techniquesGenomeComplex IRecessive deletionsLociWhole exomeDuplicationMonogenic diseasesDe novo duplicationExome sequencingPontocerebellar hypoplasia
2019
Leigh syndrome caused by mutations in MTFMT is associated with a better prognosis
Hayhurst H, de Coo I, Piekutowska‐Abramczuk D, Alston C, Sharma S, Thompson K, Rius R, He L, Hopton S, Ploski R, Ciara E, Lake N, Compton A, Delatycki M, Verrips A, Bonnen P, Jones S, Morris A, Shakespeare D, Christodoulou J, Wesol‐Kucharska D, Rokicki D, Smeets H, Pronicka E, Thorburn D, Gorman G, McFarland R, Taylor R, Ng Y. Leigh syndrome caused by mutations in MTFMT is associated with a better prognosis. Annals Of Clinical And Translational Neurology 2019, 6: 515-524. PMID: 30911575, PMCID: PMC6414492, DOI: 10.1002/acn3.725.Peer-Reviewed Original ResearchConceptsPathogenic variantsLeigh syndromeSubcortical white matter abnormalitiesNew casesFrequent initial manifestationLast clinical reviewRetrospective cohort studyBasal ganglia changesWhite matter abnormalitiesRespiratory chain deficiencyBi-allelic pathogenic variantsMitochondrial methionyl-tRNA formyltransferaseMolecular genetic findingsMilder clinical phenotypeInitial manifestationBrainstem lesionsCohort studyMedian ageBetter prognosisChain deficiencyMotor symptomsClinical reviewDisease progressionMultiple respiratory chain deficiencyMuscle biopsy
2017
Biallelic Mutations in MRPS34 Lead to Instability of the Small Mitoribosomal Subunit and Leigh Syndrome
Lake N, Webb B, Stroud D, Richman T, Ruzzenente B, Compton A, Mountford H, Pulman J, Zangarelli C, Rio M, Boddaert N, Assouline Z, Sherpa M, Schadt E, Houten S, Byrnes J, McCormick E, Zolkipli-Cunningham Z, Haude K, Zhang Z, Retterer K, Bai R, Calvo S, Mootha V, Christodoulou J, Rötig A, Filipovska A, Cristian I, Falk M, Metodiev M, Thorburn D. Biallelic Mutations in MRPS34 Lead to Instability of the Small Mitoribosomal Subunit and Leigh Syndrome. American Journal Of Human Genetics 2017, 101: 239-254. PMID: 28777931, PMCID: PMC5544391, DOI: 10.1016/j.ajhg.2017.07.005.Peer-Reviewed Original ResearchConceptsSmall mitoribosomal subunitMitoribosomal subunitHuman oxidative phosphorylation (OXPHOS) systemMitochondrial protein translationOxidative phosphorylation systemMitochondrial translation defectQuantitative proteomic analysisSpecific cellular pathwaysLeigh syndromeLentiviral-mediated expressionMitoribosomal proteinsMitochondrial ribosomesOXPHOS subunitsMitochondrial translationOXPHOS defectsProtein translationMitochondrial DNATranslation defectsUnrelated familiesProteomic analysisPhosphorylation systemQuantitative proteomicsCellular pathwaysProtein subunitsSubunit proteinsATAD3 gene cluster deletions cause cerebellar dysfunction associated with altered mitochondrial DNA and cholesterol metabolism
Desai R, Frazier A, Durigon R, Patel H, Jones A, Rosa I, Lake N, Compton A, Mountford H, Tucker E, Mitchell A, Jackson D, Sesay A, Di Re M, van den Heuvel L, Burke D, Francis D, Lunke S, McGillivray G, Mandelstam S, Mochel F, Keren B, Jardel C, Turner A, Andrews P, Smeitink J, Spelbrink J, Heales S, Kohda M, Ohtake A, Murayama K, Okazaki Y, Lombès A, Holt I, Thorburn D, Spinazzola A. ATAD3 gene cluster deletions cause cerebellar dysfunction associated with altered mitochondrial DNA and cholesterol metabolism. Brain 2017, 140: 1595-1610. PMID: 28549128, PMCID: PMC5445257, DOI: 10.1093/brain/awx094.Peer-Reviewed Original ResearchConceptsATAD3A geneHigh-throughput sequencing technologyIntegration of mitochondriaMitochondrial DNA organizationCholesterol homeostasisCellular cholesterol homeostasisSingle nucleotide polymorphism arrayMitochondrial DNA abnormalitiesNiemann-Pick type C diseaseNucleotide polymorphism arrayWhole-exome sequencing dataDNA organizationExome sequencing dataMitochondrial DNACausal genesCholesterol metabolismGenomic analysisGenomic rearrangementsSequencing technologiesHigh homologySequencing dataType C diseaseDrug-induced perturbationsGene cluster deletionsGenes