2017
Looking beyond the exome: a phenotype-first approach to molecular diagnostic resolution in rare and undiagnosed diseases
Pena LDM, Jiang YH, Schoch K, Spillmann RC, Walley N, Stong N, Rapisardo Horn S, Sullivan JA, McConkie-Rosell A, Kansagra S, Smith EC, El-Dairi M, Bellet J, Keels MA, Jasien J, Kranz PG, Noel R, Nagaraj SK, Lark RK, Wechsler DSG, del Gaudio D, Leung ML, Hendon LG, Parker CC, Jones KL, Goldstein D, Shashi V. Looking beyond the exome: a phenotype-first approach to molecular diagnostic resolution in rare and undiagnosed diseases. Genetics In Medicine 2017, 20: 464-469. PMID: 28914269, PMCID: PMC5851806, DOI: 10.1038/gim.2017.128.Peer-Reviewed Original ResearchConceptsWhole-exome sequencingMagnetic resonance image changesPathogenic variantsSanger sequencingPhenotype-first approachFurther diagnostic testingNew clinical findingsInfantile neuroaxonal dystrophyHeterozygous pathogenic variantsInfantile systemic hyalinosisSingle-gene testingClinical suspicionClinical findingsConclusionThese casesCerebellar atrophyWhite matter leukoencephalopathyNeuroaxonal dystrophyProgressive ataxiaMolecular testingSystemic hyalinosisNGS testingNovel homozygous deletionUndiagnosed diseaseClinical diagnosisDiagnostic testing
2004
EPIGENETICS AND HUMAN DISEASE
Jiang YH, Bressler J, Beaudet AL. EPIGENETICS AND HUMAN DISEASE. Annual Review Of Genomics And Human Genetics 2004, 5: 479-510. PMID: 15485357, DOI: 10.1146/annurev.genom.5.061903.180014.Peer-Reviewed Original ResearchConceptsHuman diseasesComplex disease traitsRole of epigeneticsHeritable changesChromatin structureGenomic imprintingDNA sequencesEpigenetic phenotypesDisease traitsGene expressionImprinting defectsGenetic scansBeckwith-Wiedemann syndromeGenesDisease phenotypeUniparental disomyDe novoEpigeneticsPhenotypeGenetic disordersExpressionChromatinEpimutationsTraitsMutationsA mixed epigenetic/genetic model for oligogenic inheritance of autism with a limited role for UBE3A
Jiang Y, Sahoo T, Michaelis RC, Bercovich D, Bressler J, Kashork CD, Liu Q, Shaffer LG, Schroer RJ, Stockton DW, Spielman RS, Stevenson RE, Beaudet AL. A mixed epigenetic/genetic model for oligogenic inheritance of autism with a limited role for UBE3A. American Journal Of Medical Genetics Part A 2004, 131A: 1-10. PMID: 15389703, DOI: 10.1002/ajmg.a.30297.Peer-Reviewed Original ResearchMeSH KeywordsAllelesAutistic DisorderBlotting, SouthernBlotting, WesternBrainChromosome AberrationsChromosomes, Human, Pair 15Deoxyribonuclease BamHIDeoxyribonuclease HpaIIDNADNA MethylationFemaleGene DuplicationHumansIn Situ Hybridization, FluorescenceMaleModels, GeneticMutationPedigreeUbiquitin-Protein LigasesConceptsOligogenic inheritanceComplex disease traitsGenome-wide studiesAbnormal DNA methylationE6-AP proteinDe novoGenetic modelsRole of UBE3AUbiquitin ligaseDNA methylationEpigenetic abnormalitiesDisease traitsAutism brainPaternal duplicationChromosome 15qUBE3AGenetic contributionRegion downstreamGenesOligogenic modelInheritanceProteinNovoLigaseBrain samples
2003
Disruption of the genomic imprint in trans with homologous recombination at Snrpn in ES cells
Tsai T, Bressler J, Jiang Y, Beaudet AL. Disruption of the genomic imprint in trans with homologous recombination at Snrpn in ES cells. Genesis 2003, 37: 151-161. PMID: 14666508, DOI: 10.1002/gene.10237.Peer-Reviewed Original ResearchConceptsPaternal alleleImprinting centerMaternal alleleSomatic mammalian cellsTrans-acting factorsActivation of expressionSNURF-SNRPN geneMouse ES cellsChromatin domainsGenomic imprintsImprinted domainMammalian cellsHomologous recombinationGene targetingHomologous associationES cellsComplete demethylationSNURF-SNRPNPrader-Willi syndromeExon 2AllelesGenesRecombinantsCellsDomain
2002
A Rheostat Model for a Rapid and Reversible Form of Imprinting-Dependent Evolution
Beaudet AL, Jiang YH. A Rheostat Model for a Rapid and Reversible Form of Imprinting-Dependent Evolution. American Journal Of Human Genetics 2002, 70: 1389-1397. PMID: 11992247, PMCID: PMC379123, DOI: 10.1086/340969.Peer-Reviewed Original ResearchConceptsGenomic imprintingRheostat modelGene expressionSelective advantageNon-Mendelian inheritanceDosage-sensitive lociMajority of variantsEpigenetic variantsEvolutionary advantageForm of evolutionSilent alleleImprintingPhenotypeIntegrated mechanismEnhanced adaptabilityExpressionDeleterious effectsEvolutionMammalsHypervariabilityWide continuumGenesMendelianLociMechanism