2023
Machine learning analysis of pretreatment skin biopsies predicts nonresponse to dupilumab in patients with eczematous dermatitis
Murphy M, Hwang E, Singh K, Lee T, Cohen J, Damsky W. Machine learning analysis of pretreatment skin biopsies predicts nonresponse to dupilumab in patients with eczematous dermatitis. British Journal Of Dermatology 2023, 190: 132-134. PMID: 37818837, DOI: 10.1093/bjd/ljad389.Peer-Reviewed Original ResearchPD-1 maintains CD8 T cell tolerance towards cutaneous neoantigens
Damo M, Hornick N, Venkat A, William I, Clulo K, Venkatesan S, He J, Fagerberg E, Loza J, Kwok D, Tal A, Buck J, Cui C, Singh J, Damsky W, Leventhal J, Krishnaswamy S, Joshi N. PD-1 maintains CD8 T cell tolerance towards cutaneous neoantigens. Nature 2023, 619: 151-159. PMID: 37344588, PMCID: PMC10989189, DOI: 10.1038/s41586-023-06217-y.Peer-Reviewed Original ResearchConceptsEffector CD8 T cellsCD8 T cellsAntigen-specific effector CD8 T cellsAntigen-specific CD8 T cellsAntigen-expressing cellsT cell tolerancePD-1T cellsAdverse eventsCell toleranceCD8 T cell toleranceImmune-related adverse eventsPeripheral T cell repertoirePeripheral T cell toleranceNon-lesional skinT cell repertoireT-cell antigensPeripheral toleranceCheckpoint receptorsSkin biopsiesLocal infiltrationLocal pathologyCell repertoireMouse modelSkin toleranceIL17A mRNA Staining Distinguishes Palmoplantar Psoriasis from Hyperkeratotic Palmoplantar Eczema in Diagnostic Skin Biopsies
Chen J, Murphy M, Singh K, Wang A, Chow R, Kim R, Cohen J, Ko C, Damsky W. IL17A mRNA Staining Distinguishes Palmoplantar Psoriasis from Hyperkeratotic Palmoplantar Eczema in Diagnostic Skin Biopsies. JID Innovations 2023, 3: 100189. PMID: 37205304, PMCID: PMC10186614, DOI: 10.1016/j.xjidi.2023.100189.Peer-Reviewed Original ResearchMycosis fungoides palmaris et plantarisPalmoplantar psoriasisNonacral sitesPalmoplantar eczemaMRNA expressionAcral skinIL-13 expressionPalmaris et plantarisDiagnostic skin biopsyDermatopathology databaseIL-17AHistopathologic featuresClinical managementBiopsy specimensSkin biopsiesCytokine biomarkersUseful biomarkerEczemaPsoriasisDiagnostic clarityMRNA stainingDermatosesBiomarkersSitu hybridizationSkin
2021
674 Single-cell RNA sequencing (scRNA-seq) of sarcoidosis skin biopsies reveals key pathogenic cytokines and potential treatment targets
Wang A, King B, Damsky W. 674 Single-cell RNA sequencing (scRNA-seq) of sarcoidosis skin biopsies reveals key pathogenic cytokines and potential treatment targets. Journal Of Investigative Dermatology 2021, 141: s117. DOI: 10.1016/j.jid.2021.02.704.Peer-Reviewed Original Research
2019
Janus kinase inhibition induces disease remission in cutaneous sarcoidosis and granuloma annulare
Damsky W, Thakral D, McGeary MK, Leventhal J, Galan A, King B. Janus kinase inhibition induces disease remission in cutaneous sarcoidosis and granuloma annulare. Journal Of The American Academy Of Dermatology 2019, 82: 612-621. PMID: 31185230, PMCID: PMC7590533, DOI: 10.1016/j.jaad.2019.05.098.Peer-Reviewed Original ResearchConceptsGranuloma annulareCutaneous sarcoidosisPathway activationCutaneous granulomatous disordersRecalcitrant cutaneous sarcoidosisSkin biopsy specimensSignal regulatory protein αJAK-STAT pathway activationTranscription (JAK/STAT) pathway activationRegulatory protein αRecalcitrant sarcoidosisSarcoidosis activityDisease remissionConsecutive patientsGranulomatous disorderProspective evaluationBiopsy specimensHistologic resolutionSkin biopsiesMean improvementSarcoidosisImmunohistochemical analysisJAK inhibitorsJAK inhibitionPatients