2018
Combining newborn metabolic and DNA analysis for second-tier testing of methylmalonic acidemia
Peng G, Shen P, Gandotra N, Le A, Fung E, Jelliffe-Pawlowski L, Davis RW, Enns GM, Zhao H, Cowan TM, Scharfe C. Combining newborn metabolic and DNA analysis for second-tier testing of methylmalonic acidemia. Genetics In Medicine 2018, 21: 896-903. PMID: 30209273, PMCID: PMC6416784, DOI: 10.1038/s41436-018-0272-5.Peer-Reviewed Original ResearchConceptsScreen-positive newbornsMethylmalonic acidemiaMMA patientsPathogenic variantsNewborn screeningNewborn metabolic screeningLikely pathogenic variantsSecond-tier testingFalse-positive casesInborn metabolic disordersMMA casesHealthy controlsHispanic ethnicityMetabolic disordersMetabolic screeningPatientsDiverse multiethnic populationsMultiethnic populationMolecular findingsBlood spotsUnknown significanceFalse-positive outcomesNBS programsClinical performanceScreening panel
2013
Rare variant detection using family-based sequencing analysis
Peng G, Fan Y, Palculict TB, Shen P, Ruteshouser EC, Chi AK, Davis RW, Huff V, Scharfe C, Wang W. Rare variant detection using family-based sequencing analysis. Proceedings Of The National Academy Of Sciences Of The United States Of America 2013, 110: 3985-3990. PMID: 23426633, PMCID: PMC3593912, DOI: 10.1073/pnas.1222158110.Peer-Reviewed Original Research
2010
Identification of rare DNA variants in mitochondrial disorders with improved array-based sequencing
Wang W, Shen P, Thiyagarajan S, Lin S, Palm C, Horvath R, Klopstock T, Cutler D, Pique L, Schrijver I, Davis RW, Mindrinos M, Speed TP, Scharfe C. Identification of rare DNA variants in mitochondrial disorders with improved array-based sequencing. Nucleic Acids Research 2010, 39: 44-58. PMID: 20843780, PMCID: PMC3017602, DOI: 10.1093/nar/gkq750.Peer-Reviewed Original ResearchConceptsDNA variantsFunctional DNA variantsMitochondrial DNA maintenanceRare DNA variantsSecond-generation sequencing technologiesNovel rare variantsSanger capillary sequencingSynergistic genetic effectsNuclear candidate genesDNA maintenanceRare variantsGenomic variationSequencing technologiesRare heterozygous variantsCandidate genesGenetic effectsFalse discovery rateMitochondrial disordersCapillary sequencingSequence verificationGenesNovel statistical methodSequencingDiscovery rateHeterozygous variants
2001
Frequency of mitochondrial transfer RNA mutations and deletions in 225 patients presenting with respiratory chain deficiencies
Jaksch M, Kleinle S, Scharfe C, Klopstock T, Pongratz D, Müller-Höcker J, Gerbitz KD, Liechti-Gallati S, Lochmuller H, Horvath R. Frequency of mitochondrial transfer RNA mutations and deletions in 225 patients presenting with respiratory chain deficiencies. Journal Of Medical Genetics 2001, 38: 665. PMID: 11584044, PMCID: PMC1734743, DOI: 10.1136/jmg.38.10.665.Peer-Reviewed Original ResearchMeSH KeywordsAdolescentAdultChildChild, PreschoolDNA Mutational AnalysisElectron TransportFemaleGene FrequencyGenetic VariationGenotypeHumansInfantInfant, NewbornMaleMiddle AgedMitochondria, MuscleMitochondrial DiseasesMuscle, SkeletalMutationPhenotypePolymorphism, GeneticRNARNA, MitochondrialRNA, TransferSequence DeletionConceptsMitochondrial transfer RNA (mt-tRNA) mutationsAdult patientsRespiratory chain deficiencyDistinct neurological syndromesChain deficiencyNeonatal groupPediatric groupClinical symptomsNeurological syndromeIndex patientsPathogenic mitochondrial DNA mutationsPatientsPathogenic relevanceMitochondrial DNA mutationsSkeletal musclePathogenic mutationsMuscle DNARNA mutationsMitochondrial disordersG mutationSkeletal muscle DNADeficiencyDetection rateDNA mutationsRC deficiency