2024
Intranasal neomycin evokes broad-spectrum antiviral immunity in the upper respiratory tract
Mao T, Kim J, Peña-Hernández M, Valle G, Moriyama M, Luyten S, Ott I, Gomez-Calvo M, Gehlhausen J, Baker E, Israelow B, Slade M, Sharma L, Liu W, Ryu C, Korde A, Lee C, Monteiro V, Lucas C, Dong H, Yang Y, Initiative Y, Gopinath S, Wilen C, Palm N, Dela Cruz C, Iwasaki A, Vogels C, Hahn A, Chen N, Breban M, Koch T, Chaguza C, Tikhonova I, Castaldi C, Mane S, De Kumar B, Ferguson D, Kerantzas N, Peaper D, Landry M, Schulz W, Grubaugh N. Intranasal neomycin evokes broad-spectrum antiviral immunity in the upper respiratory tract. Proceedings Of The National Academy Of Sciences Of The United States Of America 2024, 121: e2319566121. PMID: 38648490, PMCID: PMC11067057, DOI: 10.1073/pnas.2319566121.Peer-Reviewed Original ResearchConceptsInterferon-stimulated genesRespiratory infectionsStrains of influenza A virusTreatment of respiratory viral infectionsRespiratory virus infectionsInfluenza A virusMouse model of COVID-19Respiratory viral infectionsNeomycin treatmentExpression of interferon-stimulated genesUpper respiratory infectionInterferon-stimulated gene expressionLower respiratory infectionsBroad spectrum of diseasesAdministration of neomycinRespiratory viral diseasesDisease to patientsUpper respiratory tractIntranasal deliveryCongenic miceIntranasal applicationNasal mucosaSevere acute respiratory syndrome coronavirus 2Acute respiratory syndrome coronavirus 2A virus
2023
Cancer Relevance of Circulating Antibodies Against LINE-1 Antigens in Humans
Vylegzhanina A, Bespalov I, Novototskaya-Vlasova K, Hall B, Gleiberman A, Yu H, Leontieva O, Leonova K, Kurnasov O, Osterman A, Dy G, Komissarov A, Vasilieva E, Gehlhausen J, Iwasaki A, Ambrosone C, Tsuji T, Matsuzaki J, Odunsi K, Andrianova E, Gudkov A. Cancer Relevance of Circulating Antibodies Against LINE-1 Antigens in Humans. Cancer Research Communications 2023, 3: 2256-2267. PMID: 37870410, PMCID: PMC10631453, DOI: 10.1158/2767-9764.crc-23-0289.Peer-Reviewed Original ResearchConceptsL1 antigenCancer typesDisease stage 1Discovery of autoantibodiesHigh IgG titersTumor-associated antigensDetermination of immunoreactivityTumor immunoreactivityCirculating AntibodiesIgG titersAntibody responseImmune responseLiver cancerReactive IgGHealthy individualsCurable cancer typesImmune systemAntigenNormal tissuesPatientsCancerEarly detectionElevated levelsCarcinogenic processAutoantibodiesDistinguishing features of long COVID identified through immune profiling
Klein J, Wood J, Jaycox J, Dhodapkar R, Lu P, Gehlhausen J, Tabachnikova A, Greene K, Tabacof L, Malik A, Silva Monteiro V, Silva J, Kamath K, Zhang M, Dhal A, Ott I, Valle G, Peña-Hernández M, Mao T, Bhattacharjee B, Takahashi T, Lucas C, Song E, McCarthy D, Breyman E, Tosto-Mancuso J, Dai Y, Perotti E, Akduman K, Tzeng T, Xu L, Geraghty A, Monje M, Yildirim I, Shon J, Medzhitov R, Lutchmansingh D, Possick J, Kaminski N, Omer S, Krumholz H, Guan L, Dela Cruz C, van Dijk D, Ring A, Putrino D, Iwasaki A. Distinguishing features of long COVID identified through immune profiling. Nature 2023, 623: 139-148. PMID: 37748514, PMCID: PMC10620090, DOI: 10.1038/s41586-023-06651-y.Peer-Reviewed Original ResearchConceptsLong COVIDSARS-CoV-2Infection syndromeExaggerated humoral responseSoluble immune mediatorsEpstein-Barr virusPost-exertional malaiseCross-sectional studyHigher antibody responseImmune mediatorsImmune phenotypingImmune profilingHumoral responseAntibody responseLymphocyte populationsCOVID statusUnbiased machineCortisol levelsLC statusRelevant biomarkersViral pathogensSyndromeCOVIDFuture studiesBiological featuresAssociation of psoriasis and systemic lupus erythematosus and mediation effects of tumor necrosis factor-α inhibitors: A cross-sectional study in the All of Us Research Program
Chen G, Hong S, Ramachandran S, Gehlhausen J, Cohen J. Association of psoriasis and systemic lupus erythematosus and mediation effects of tumor necrosis factor-α inhibitors: A cross-sectional study in the All of Us Research Program. Journal Of The American Academy Of Dermatology 2023, 90: 184-187. PMID: 37734665, DOI: 10.1016/j.jaad.2023.09.028.Peer-Reviewed Original ResearchVascular-Targeted Therapy for Systemic Lupus Erythematosus–Associated Vasculitis
Xu S, Patrignelli R, Ramachandran S, Koumpouras F, Desir D, Ko C, Gehlhausen J. Vascular-Targeted Therapy for Systemic Lupus Erythematosus–Associated Vasculitis. JAMA Dermatology 2023, 159: 460-462. PMID: 36884229, DOI: 10.1001/jamadermatol.2023.0077.Peer-Reviewed Original Research
2022
Random skin biopsies for diagnosis of intravascular large B-cell lymphoma: Retrospective analysis of 31 biopsies from a US dermatology inpatient consultative service with literature review
Kim SR, Ko CJ, Nelson CA, Ramachandran S, Gehlhausen JR. Random skin biopsies for diagnosis of intravascular large B-cell lymphoma: Retrospective analysis of 31 biopsies from a US dermatology inpatient consultative service with literature review. Journal Of The American Academy Of Dermatology 2022, 88: 714-716. PMID: 36152693, DOI: 10.1016/j.jaad.2022.09.016.Peer-Reviewed Original ResearchMild respiratory COVID can cause multi-lineage neural cell and myelin dysregulation
Fernández-Castañeda A, Lu P, Geraghty AC, Song E, Lee MH, Wood J, O'Dea MR, Dutton S, Shamardani K, Nwangwu K, Mancusi R, Yalçın B, Taylor KR, Acosta-Alvarez L, Malacon K, Keough MB, Ni L, Woo PJ, Contreras-Esquivel D, Toland AMS, Gehlhausen JR, Klein J, Takahashi T, Silva J, Israelow B, Lucas C, Mao T, Peña-Hernández MA, Tabachnikova A, Homer RJ, Tabacof L, Tosto-Mancuso J, Breyman E, Kontorovich A, McCarthy D, Quezado M, Vogel H, Hefti MM, Perl DP, Liddelow S, Folkerth R, Putrino D, Nath A, Iwasaki A, Monje M. Mild respiratory COVID can cause multi-lineage neural cell and myelin dysregulation. Cell 2022, 185: 2452-2468.e16. PMID: 35768006, PMCID: PMC9189143, DOI: 10.1016/j.cell.2022.06.008.Peer-Reviewed Original ResearchConceptsSARS-CoV-2 infectionMicroglial reactivityCognitive impairmentCSF cytokines/chemokinesCytokines/chemokinesSARS-CoV-2Early time pointsCCL11 levelsMild COVIDRespiratory influenzaHippocampal neurogenesisOligodendrocyte lossHippocampal pathologyMyelin lossNeurological symptomsImpaired neurogenesisCOVID survivorsNeurobiological effectsNeural dysregulationMyelin dysregulationCCL11Neural cellsTime pointsNeurogenesisMiceNot all well-differentiated cutaneous squamous cell carcinomas are equal: Tumors with disparate biologic behavior have differences in protein expression via digital spatial profiling
Vesely M, Martinez-Morilla S, Gehlhausen JR, McNiff JM, Whang PG, Rimm D, Ko CJ. Not all well-differentiated cutaneous squamous cell carcinomas are equal: Tumors with disparate biologic behavior have differences in protein expression via digital spatial profiling. Journal Of The American Academy Of Dermatology 2022, 87: 695-698. PMID: 35398219, DOI: 10.1016/j.jaad.2022.03.057.Peer-Reviewed Original ResearchLack of association between pandemic chilblains and SARS-CoV-2 infection
Gehlhausen JR, Little AJ, Ko CJ, Emmenegger M, Lucas C, Wong P, Klein J, Lu P, Mao T, Jaycox J, Wang E, Ugwu N, Muenker C, Mekael D, Klein R, Patrignelli R, Antaya R, McNiff J, Damsky W, Kamath K, Shon J, Ring A, Yildirim I, Omer S, Ko A, Aguzzi A, Iwasaki A, Obaid A, Lu-Culligan A, Nelson A, Brito A, Nunez A, Martin A, Watkins A, Geng B, Kalinich C, Harden C, Todeasa C, Jensen C, Kim D, McDonald D, Shepard D, Courchaine E, White E, Song E, Silva E, Kudo E, DeIuliis G, Rahming H, Park H, Matos I, Nouws J, Valdez J, Fauver J, Lim J, Rose K, Anastasio K, Brower K, Glick L, Sharma L, Sewanan L, Knaggs L, Minasyan M, Batsu M, Petrone M, Kuang M, Nakahata M, Campbell M, Linehan M, Askenase M, Simonov M, Smolgovsky M, Sonnert N, Naushad N, Vijayakumar P, Martinello R, Datta R, Handoko R, Bermejo S, Prophet S, Bickerton S, Velazquez S, Alpert T, Rice T, Khoury-Hanold W, Peng X, Yang Y, Cao Y, Strong Y. Lack of association between pandemic chilblains and SARS-CoV-2 infection. Proceedings Of The National Academy Of Sciences Of The United States Of America 2022, 119: e2122090119. PMID: 35217624, PMCID: PMC8892496, DOI: 10.1073/pnas.2122090119.Peer-Reviewed Original ResearchConceptsSARS-CoV-2 infectionPrior SARS-CoV-2 infectionSARS-CoV-2PC biopsiesAcute respiratory syndrome coronavirus 2 pandemicSevere acute respiratory syndrome coronavirus 2 (SARS-CoV-2) pandemicT-cell receptor sequencingCell receptor sequencingT cell responsesCoronavirus 2 pandemicEnzyme-linked immunosorbent assayLack of associationCOVID toesSkin eruptionAntibody responseImmunohistochemistry studiesBackground seroprevalenceTissue microarrayViral infectionStimulation assaysCell responsesInfectionChilblainsImmunosorbent assayAbortive infection
2021
Impact of circulating SARS-CoV-2 variants on mRNA vaccine-induced immunity
Lucas C, Vogels CBF, Yildirim I, Rothman JE, Lu P, Monteiro V, Gehlhausen JR, Campbell M, Silva J, Tabachnikova A, Peña-Hernandez MA, Muenker MC, Breban MI, Fauver JR, Mohanty S, Huang J, Shaw A, Ko A, Omer S, Grubaugh N, Iwasaki A. Impact of circulating SARS-CoV-2 variants on mRNA vaccine-induced immunity. Nature 2021, 600: 523-529. PMID: 34634791, PMCID: PMC9348899, DOI: 10.1038/s41586-021-04085-y.Peer-Reviewed Original ResearchConceptsSARS-CoV-2 variantsMRNA vaccine-induced immunityT-cell activation markersSARS-CoV-2 antibodiesSecond vaccine doseVaccine-induced immunityCell activation markersT cell responsesHigh antibody titresSARS-CoV-2Vaccine boosterVaccine doseActivation markersVaccine dosesHumoral immunityAntibody titresMRNA vaccinesVitro stimulationNeutralization capacityNeutralization responseCell responsesE484KNucleocapsid peptideAntibody-binding sitesGreater reductionB cells join T cell clusters in the host response to recurrent herpes simplex virus 2 infection
Gehlhausen JR, Iwasaki A. B cells join T cell clusters in the host response to recurrent herpes simplex virus 2 infection. Journal Of Clinical Investigation 2021, 131: e148300. PMID: 33938452, PMCID: PMC8087191, DOI: 10.1172/jci148300.Peer-Reviewed Original ResearchConceptsAntibody-secreting cellsB cellsRecurrent lesionsHerpes simplex virus 2 infectionHSV-2-specific antibodiesRecurrent genital herpes lesionsSimplex virus 2 infectionGenital herpes lesionsHSV-2 lesionsVirus 2 infectionT cell clustersSkin biopsy specimensB cell subsetsB cell populationsNaive B cellsStage of infectionLesion reactivationDisease resolutionImmune infiltratesAntibody levelsHerpes lesionsCell subsetsBiopsy specimensHost responseLesionsLeukocytoclastic Vasculitis and Microvascular Occlusion Key Concepts for the Working Pathologist
Ko CJ, Gehlhausen JR, McNiff JM. Leukocytoclastic Vasculitis and Microvascular Occlusion Key Concepts for the Working Pathologist. Surgical Pathology Clinics 2021, 14: 309-325. PMID: 34023108, DOI: 10.1016/j.path.2021.01.006.Peer-Reviewed Original ResearchConceptsLeukocytoclastic vasculitisMicrovascular occlusionSmall vessel leukocytoclastic vasculitisMedium-sized vesselsSame differential diagnosisBiopsy findingsDermal involvementSystemic diseaseCertain infectionsDifferential diagnosisVasculitisDepth of involvementClinical diagnosisOcclusionDiagnosisVessel sizeInvolvementVesselsSize of vesselsCalciphylaxisResponse to Tembhre et al.: ‘Enhanced expression of angiotensin‐converting enzyme 2 in psoriatic skin and its upregulation in keratinocytes by interferon‐γ: implication of inflammatory milieu in skin tropism of SARS‐CoV‐2’
Gehlhausen JR, Ko CJ, Damsky W. Response to Tembhre et al.: ‘Enhanced expression of angiotensin‐converting enzyme 2 in psoriatic skin and its upregulation in keratinocytes by interferon‐γ: implication of inflammatory milieu in skin tropism of SARS‐CoV‐2’. British Journal Of Dermatology 2021, 184: 984-984. PMID: 33300150, PMCID: PMC9619457, DOI: 10.1111/bjd.19714.Peer-Reviewed Original Research
2020
Pink plaques on the face of an adolescent male
Gehlhausen JR, Myung P, Zubek A. Pink plaques on the face of an adolescent male. International Journal Of Dermatology 2020, 60: e217-e218. PMID: 33084046, DOI: 10.1111/ijd.15265.Peer-Reviewed Original ResearchDiscordant anti‐SARS‐CoV‐2 spike protein and RNA staining in cutaneous perniotic lesions suggests endothelial deposition of cleaved spike protein
Ko CJ, Harigopal M, Gehlhausen JR, Bosenberg M, McNiff JM, Damsky W. Discordant anti‐SARS‐CoV‐2 spike protein and RNA staining in cutaneous perniotic lesions suggests endothelial deposition of cleaved spike protein. Journal Of Cutaneous Pathology 2020, 48: 47-52. PMID: 32895985, DOI: 10.1111/cup.13866.Peer-Reviewed Original ResearchConceptsSARS-CoV-2 spike proteinCOVID toesEccrine epitheliumEndothelial cellsSkin biopsiesSpike proteinReverse transcriptase polymerase chain reaction testingSARS-CoV-2 antibodiesPolymerase chain reaction testingSARS-CoV-2 RNAPotential pathogenetic mechanismsPositive immunohistochemical labelingSARS-CoV-2Endothelial depositionPathogenetic mechanismsImmunohistochemical stainingReaction testingImmunohistochemical labelingEccrine glandsRNA ISHImmunohistochemistrySpike RNAGold standardTissue sectionsBiopsyPerniosis during the COVID‐19 pandemic: Negative anti‐SARS‐CoV‐2 immunohistochemistry in six patients and comparison to perniosis before the emergence of SARS‐CoV‐2
Ko CJ, Harigopal M, Damsky W, Gehlhausen JR, Bosenberg M, Patrignelli R, McNiff JM. Perniosis during the COVID‐19 pandemic: Negative anti‐SARS‐CoV‐2 immunohistochemistry in six patients and comparison to perniosis before the emergence of SARS‐CoV‐2. Journal Of Cutaneous Pathology 2020, 47: 997-1002. PMID: 32745281, PMCID: PMC7436569, DOI: 10.1111/cup.13830.Peer-Reviewed Original ResearchConceptsSARS-CoV-2 nucleocapsid proteinPerivascular lymphocytesImmunohistochemical stainingCOVID-19 pandemicSARS-CoV-2 immunohistochemistryNucleocapsid proteinSARS-CoV-2Inflammatory lesionsHistopathologic findingsIntravascular occlusionMicroscopic findingsPerniosisIntravascular materialLymphocytesLesionsPatientsStainingPandemicSuch casesCuffingHistopathologyCasesImmunohistochemistryFindingsProteinA rare case of lupoid leishmaniasis defying diagnosis for a decade
Gehlhausen J, Sibindi C, Ko CJ, Grant M, Zubek A. A rare case of lupoid leishmaniasis defying diagnosis for a decade. Journal Of Cutaneous Pathology 2020, 47: 1054-1057. PMID: 32623733, DOI: 10.1111/cup.13793.Peer-Reviewed Case Reports and Technical NotesConceptsCutaneous leishmaniasisGranulomatous rosaceaPolymerase chain reactionFacial plaquesLupoid leishmaniasisMultiple medical therapiesAcid-fast bacilliExtensive travel historyStandard histopathologic examinationMedical therapyNew lesionsMultiple biopsiesRare presentationHistopathologic examinationGranulomatous diseaseTuberculoid granulomasUltimate diagnosisRare caseSustained improvementEndemic areasSpecial stainsTravel historySarcoidosisCommon diseaseRosaceaPsoriasis and COVID-19: a multifactorial consideration
Cohen JM, Perez-Chada LM, De Kouchkovsky D, Gehlhausen JR. Psoriasis and COVID-19: a multifactorial consideration. Journal Of Dermatological Treatment 2020, 33: 1174-1174. PMID: 32568011, PMCID: PMC7771226, DOI: 10.1080/09546634.2020.1782818.Peer-Reviewed Original ResearchA detailed analysis of the distribution, morphology, and histopathology of complex purpura in hospitalized patients: A case series of 68 patients
Gehlhausen JR, Wetter DA, Nelson C, Ramachandran S, McNiff JM, Ko CJ. A detailed analysis of the distribution, morphology, and histopathology of complex purpura in hospitalized patients: A case series of 68 patients. Journal Of The American Academy Of Dermatology 2020, 84: 1188-1196. PMID: 32376433, DOI: 10.1016/j.jaad.2020.04.149.Peer-Reviewed Original ResearchConceptsSmall vessel vasculitisLeukocytoclastic vasculitisMicrovascular occlusionIgA vasculitisCase seriesCommon diagnosisSystemic diseaseDermatologic consultationHigh mortalityTertiary care centerMajority of patientsMedium vessel vasculitisBiopsy findingsHospitalized patientsCare centerRetrospective natureVasculitisDifferential diagnosisInpatient consultationsPurpuraClinical morphologyDiagnostic utilityPatientsInpatientsSuperficial vessels
2018
Early botryomycosis‐like plaques in the setting of Corynebacterium striatum septicemia
Gehlhausen J, Strausburg M, Gilbert K, Alomari A. Early botryomycosis‐like plaques in the setting of Corynebacterium striatum septicemia. International Journal Of Dermatology 2018, 58: 969-971. PMID: 30076602, DOI: 10.1111/ijd.14162.Peer-Reviewed Original Research