2022
The Genomic and Phenotypic Landscape of Ichthyosis
Sun Q, Burgren NM, Cheraghlou S, Paller AS, Larralde M, Bercovitch L, Levinsohn J, Ren I, Hu RH, Zhou J, Zaki T, Fan R, Tian C, Saraceni C, Nelson-Williams CJ, Loring E, Craiglow BG, Milstone LM, Lifton RP, Boyden LM, Choate KA. The Genomic and Phenotypic Landscape of Ichthyosis. JAMA Dermatology 2022, 158: 16-25. PMID: 34851365, PMCID: PMC8637393, DOI: 10.1001/jamadermatol.2021.4242.Peer-Reviewed Original ResearchConceptsClinical manifestationsPathogenic variantsCohort studySkin painEye problemsPhenotypic spectrumGenotype-phenotype associationsSkin odorClear genotype-phenotype associationsFisher's exact testGenetic diagnosisPatient advocacy groupsNovel disease-associated variantsReferral centerDisease-associated variantsClinical assessmentSkin infectionsClinical photographsMAIN OUTCOMEExact testHearing problemsHeterogeneous disorderScaly skinBlood DNACommon genotype
2020
Mutations in ASPRV1 Cause Dominantly Inherited Ichthyosis
Boyden LM, Zhou J, Hu R, Zaki T, Loring E, Scott J, Traupe H, Paller AS, Lifton RP, Choate KA. Mutations in ASPRV1 Cause Dominantly Inherited Ichthyosis. American Journal Of Human Genetics 2020, 107: 158-163. PMID: 32516568, PMCID: PMC7332602, DOI: 10.1016/j.ajhg.2020.05.013.Peer-Reviewed Original ResearchConceptsDominant Mendelian disorderAutocatalytic cleavage siteMendelian disordersProtein residuesASPRV1Cleavage siteEpidermal differentiationMissense mutationsFilaggrin processingMutationsExome sequencingGenetic causeEpidermal barrier integrityEpidermal layerPalmoplantar keratodermaLamellar ichthyosisClose proximityPost‐zygotic ACTB mutations underlie congenital smooth muscle hamartomas
Atzmony L, Ugwu N, Zaki TD, Antaya RJ, Choate KA. Post‐zygotic ACTB mutations underlie congenital smooth muscle hamartomas. Journal Of Cutaneous Pathology 2020, 47: 681-685. PMID: 32170967, PMCID: PMC7943230, DOI: 10.1111/cup.13683.Peer-Reviewed Original ResearchConceptsCongenital smooth muscle hamartomaSmooth muscle hamartomaBecker's nevusMuscle hamartomaBecker nevus syndromeDirect sequencingHistopathological featuresHistopathological overlapBenign lesionsMosaic disordersPhenotypic spectrumNeviUnaffected tissueAffected tissuesHamartomaPost-zygotic mutationsHemihypertrophyEnrichment assayTissueMutationsACTB gene
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 mutationsLesionsKeratinocytes