2024
Persistent Cutaneous Lesions of Darier Disease and Second-Hit Somatic Variants in ATP2A2 Gene
Atzmony L, Zagairy F, Mawassi B, Shehade M, Tatour Y, Danial-Farran N, Khayat M, Warrour N, Dodiuk-Gad R, Cohen-Barak E. Persistent Cutaneous Lesions of Darier Disease and Second-Hit Somatic Variants in ATP2A2 Gene. JAMA Dermatology 2024, 160: 518-524. PMID: 38536168, PMCID: PMC10974685, DOI: 10.1001/jamadermatol.2024.0152.Peer-Reviewed Original ResearchConceptsSomatic variantsATP2A2 geneDeep sequencingResponse to environmental factorsCopy number variantsRestriction fragment length polymorphismLoss of heterozygosityWhole-exome sequencingChromosomal microarray analysisDarier's diseaseFragment length polymorphismPaired whole exome sequencingPathogenic germline variantsHeterozygous pathogenic germline variantsDD lesionsGenomic characteristicsGenetic analysisGenetic skin disordersGermline variantsSanger sequencingLength polymorphismSkin lesionsTransient lesionsHeterozygous variantsMicroarray analysis
2022
Segmental basaloid follicular hamartomas derive from a post‐zygotic SMO p.L412F pathogenic variant and express hair follicle development‐related proteins in a pattern that distinguish them from basal cell carcinomas
Atzmony L, Ugwu N, Bercovitch LG, Robinson‐Bostom L, Ko CJ, Myung P, Choate KA. Segmental basaloid follicular hamartomas derive from a post‐zygotic SMO p.L412F pathogenic variant and express hair follicle development‐related proteins in a pattern that distinguish them from basal cell carcinomas. American Journal Of Medical Genetics Part A 2022, 188: 3525-3530. PMID: 35972041, PMCID: PMC9669121, DOI: 10.1002/ajmg.a.62951.Peer-Reviewed Original ResearchConceptsBasal cell carcinomaCell carcinomaFollicular hamartomaProliferation indexBasaloid skin tumorsSporadic basal cell carcinomasBasaloid follicular hamartomaKi-67 expressionLow proliferation indexCentral nervous systemWhole-exome sequencingSystemic involvementExpression of hedgehogMultiple lesionsSkin tumorsWnt/beta-catenin pathwayBasaloid lesionsNervous systemVariable involvementPathogenic variantsSegmental distributionPost-zygotic mutational eventSOX-9 expressionNormal tissuesExome sequencing
2021
Cutaneous and hepatic vascular lesions due to a recurrent somatic GJA4 mutation reveal a pathway for vascular malformation
Ugwu N, Atzmony L, Ellis KT, Panse G, Jain D, Ko CJ, Nassiri N, Choate KA. Cutaneous and hepatic vascular lesions due to a recurrent somatic GJA4 mutation reveal a pathway for vascular malformation. Human Genetics And Genomics Advances 2021, 2: 100028. PMID: 33912852, PMCID: PMC8078848, DOI: 10.1016/j.xhgg.2021.100028.Peer-Reviewed Original ResearchSerum/glucocorticoid-regulated kinase 1Serine/threonine kinaseWhole-exome sequencingFirst transmembrane domainCell morphologyPrimary human endothelial cellsSomatic mutationsNon-canonical activationGlucocorticoid-regulated kinase 1Threonine kinaseTransmembrane domainEndothelial cellsSGK1 activationKinase 1Human endothelial cellsGenetic driversAlpha 4Lentiviral transductionInhibitors of angiogenesisSmooth muscle cellsMutationsCell proliferationSequencingUnrelated individualsSame mutation
2020
Clues to primary vismodegib resistance lie in histology and genetics
Sun Q, Atzmony L, Zaki T, Peng A, Sugarman J, Choate KA. Clues to primary vismodegib resistance lie in histology and genetics. Journal Of Clinical Pathology 2020, 73: 678-680. PMID: 32217615, PMCID: PMC7513245, DOI: 10.1136/jclinpath-2020-206448.Peer-Reviewed Original ResearchConceptsBasal cell carcinomaCommon human malignant neoplasmInfundibulocystic basal cell carcinomaBasal cell nevus syndromeHuman malignant neoplasmsWhole-exome sequencingClinical featuresBCC subtypesCell carcinomaMalignant neoplasmsHistological resultsHedgehog pathwayBiopsyVismodegibCarcinomaNeoplasmsSyndromeHistologyLesionsSubtypesMutationsBloodMutations in KRT10 in epidermolytic acanthoma
Cheraghlou S, Atzmony L, Roy SF, McNiff JM, Choate KA. Mutations in KRT10 in epidermolytic acanthoma. Journal Of Cutaneous Pathology 2020, 47: 524-529. PMID: 32045015, PMCID: PMC7914398, DOI: 10.1111/cup.13664.Peer-Reviewed Original ResearchConceptsWhole-exome sequencingEpidermolytic acanthomaEpidermolytic hyperkeratosisHotspot mutationsCharacteristic histopathological patternEpidermolytic ichthyosisHistopathological patternsHistopathological analysisDiscovery cohortLesional tissueAdditional casesPolymerase chain reaction amplificationEpidermal degenerationChain reaction amplificationFragment length polymorphism analysisRestriction fragment length polymorphism analysisLength polymorphism analysisDermatosesIchthyosis bullosaAcanthomaKRT10Departmental archivesReaction amplificationIchthyosisPolymorphism analysis
2019
Phenotypic expansion of POFUT1 loss of function mutations in a disorder featuring segmental dyspigmentation with eczematous and folliculo‐centric lesions
Atzmony L, Zaki TD, Antaya RJ, Choate KA. Phenotypic expansion of POFUT1 loss of function mutations in a disorder featuring segmental dyspigmentation with eczematous and folliculo‐centric lesions. American Journal Of Medical Genetics Part A 2019, 179: 2469-2473. PMID: 31566882, PMCID: PMC7914397, DOI: 10.1002/ajmg.a.61362.Peer-Reviewed Original ResearchConceptsDowling-Degos diseasePhenotypic expansionMosaic disordersFunction mutationsDistinct clinical presentationsSomatic copy-neutral lossGermline heterozygous mutationsWhole-exome sequencingClinical presentationEczematous plaquesFollicular papulesAffected skinSkin diseasesBlaschko's linesCopy-neutral lossHeterozygous mutationsReticulated hyperpigmentationExome sequencingNormal keratinocytesPostzygotic mutationDisordersExpression levelsSomatic mutationsLesionsKeratinocytesSecond-Hit, Postzygotic PMVK and MVD Mutations in Linear Porokeratosis
Atzmony L, Khan HM, Lim YH, Paller AS, Levinsohn JL, Holland KE, Mirza FN, Yin E, Ko CJ, Leventhal JS, Choate KA. Second-Hit, Postzygotic PMVK and MVD Mutations in Linear Porokeratosis. JAMA Dermatology 2019, 155: 548-555. PMID: 30942823, PMCID: PMC6506890, DOI: 10.1001/jamadermatol.2019.0016.Peer-Reviewed Original ResearchConceptsLinear porokeratosisLesional skinWhole-exome sequencingAffected tissue samplesSomatic copy-neutral lossAcademic medical centerLines of BlaschkoSomatic mutationsT mutationNovel germline mutationPostzygotic somatic mutationsNovel somatic mutationsCoronoid lamellaBlood/saliva samplesGermline splice site mutationHistologic diagnosisHistologic examinationKeratotic papulesMedical CenterMAIN OUTCOMEAffected skinTherapeutic interventionsPorokeratosisWhorled configurationCopy-neutral loss