Genta Ishikawa, MD, MPH
InstructorCards
About
Research
Publications
2024
INTERACTIONS BETWEEN MITOCHONDRIAL DNA AND TOLL-LIKE RECEPTOR 9 MEDIATES PULMONARY FIBROSIS
LEE C, TRUJILLO G, REGUEIRO-REN A, LIU C, HU B, SUN Y, KHOURY J, KHOURY J, AHANGARI F, ISHIKAWA G, WALIA A, PIVARNIK T, YU S, WOO S, FIORINI V, MCGOVERN J, AL JUMAILY K, SUN H, PENG X, ANTIN-OZERKIS D, SAULER M, KAMINSKI N, HERZOG E. INTERACTIONS BETWEEN MITOCHONDRIAL DNA AND TOLL-LIKE RECEPTOR 9 MEDIATES PULMONARY FIBROSIS. CHEST Journal 2024, 166: a3384-a3386. DOI: 10.1016/j.chest.2024.06.2020.Peer-Reviewed Original ResearchToll-like Receptor 9 Inhibition Mitigates Fibroproliferative Responses in Translational Models of Pulmonary Fibrosis.
Trujillo G, Regueiro-Ren A, Liu C, Hu B, Sun Y, Ahangari F, Fiorini V, Ishikawa G, Al Jumaily K, Khoury J, McGovern J, Lee C, Peng X, Pivarnik T, Sun H, Walia A, Woo S, Yu S, Antin-Ozerkis D, Sauler M, Kaminski N, Herzog E, Ryu C. Toll-like Receptor 9 Inhibition Mitigates Fibroproliferative Responses in Translational Models of Pulmonary Fibrosis. American Journal Of Respiratory And Critical Care Medicine 2024 PMID: 39189851, DOI: 10.1164/rccm.202401-0065oc.Peer-Reviewed Original ResearchToll-like receptor 9Model of pulmonary fibrosisIdiopathic pulmonary fibrosisPulmonary fibrosisFibroproliferative responseLung diseaseIdiopathic pulmonary fibrosis cohortsExpression of toll-like receptor 9Toll-like receptor 9 activationTransplant-free survivalExpression of MCP-1Cohort of patientsSlow clinical progressionFibrotic lung diseaseAccelerated disease courseFatal lung diseaseIP-10Pharmacodynamic endpointsPreclinical modelsDisease courseClinical progressionPlasma mtDNAMCP-1Receptor 9Mouse modelSingle-Cell Profiling Reveals Immune Aberrations in Progressive Idiopathic Pulmonary Fibrosis.
Unterman A, Zhao A, Neumark N, Schupp J, Ahangari F, Cosme C, Sharma P, Flint J, Stein Y, Ryu C, Ishikawa G, Sumida T, Gomez J, Herazo-Maya J, Dela Cruz C, Herzog E, Kaminski N. Single-Cell Profiling Reveals Immune Aberrations in Progressive Idiopathic Pulmonary Fibrosis. American Journal Of Respiratory And Critical Care Medicine 2024, 210: 484-496. PMID: 38717443, PMCID: PMC11351796, DOI: 10.1164/rccm.202306-0979oc.Peer-Reviewed Original ResearchStable idiopathic pulmonary fibrosisIdiopathic pulmonary fibrosisPeripheral blood mononuclear cellsProgressive idiopathic pulmonary fibrosisPeripheral immune systemT cellsPulmonary fibrosisCohort of IPF patientsAssociated with decreased survivalIdiopathic pulmonary fibrosis patientsPeripheral blood mononuclear cell samplesPeripheral blood cell populationsImmune systemFraction of TregsRegulatory T cellsBlood mononuclear cellsBlood cell populationsFlow cytometry analysisImmune aberrationsIPF patientsTregsMononuclear cellsSingle-cell RNA sequencingLung homogenatesMonocyte chemoattractantRole of Noradrenaline and Macrophage Dynamics in Pulmonary Fibrosis
Ishikawa G, Peng X, Mcgovern J, Ghincea A, Saber T, Sun H, Sauler M, Ryu C, Herzog E. Role of Noradrenaline and Macrophage Dynamics in Pulmonary Fibrosis. 2024, a5206-a5206. DOI: 10.1164/ajrccm-conference.2024.209.1_meetingabstracts.a5206.Peer-Reviewed Original Research
2023
Toll-like Receptor-9 Activation Promotes Persistent Inflammation in the Lung During Influenza Infection
Essayas H, Kim J, Mcgovern J, Peng X, Cai Y, Ishikawa G, Herzog E, Dela Cruz C, Ryu C, Sharma L. Toll-like Receptor-9 Activation Promotes Persistent Inflammation in the Lung During Influenza Infection. 2023, a5608-a5608. DOI: 10.1164/ajrccm-conference.2023.207.1_meetingabstracts.a5608.Peer-Reviewed Original Researchα1 Adrenoreceptor antagonism mitigates extracellular mitochondrial DNA accumulation in lung fibrosis models and in patients with idiopathic pulmonary fibrosis
Ishikawa G, Peng X, McGovern J, Woo S, Perry C, Liu A, Yu S, Ghincea A, Kishchanka A, Fiorini V, Hu B, Sun Y, Sun H, Ryu C, Herzog E. α1 Adrenoreceptor antagonism mitigates extracellular mitochondrial DNA accumulation in lung fibrosis models and in patients with idiopathic pulmonary fibrosis. American Journal Of Physiology - Lung Cellular And Molecular Physiology 2023, 324: l639-l651. PMID: 36648147, PMCID: PMC10110730, DOI: 10.1152/ajplung.00119.2022.Peer-Reviewed Original ResearchConceptsAdrenergic nerve supplyIdiopathic pulmonary fibrosisΑ1 adrenoreceptorsPulmonary fibrosisNerve supplyCultured normal human lung fibroblastsInnate immune ligandsLung fibrosis modelNormal human lung fibroblastsSmooth muscle actinHuman lung fibroblastsAdrenal resectionAdrenoreceptor antagonismExtracellular mtDNAIPF cohortImproved survivalΑ1-adrenoreceptor antagonistsLung fibrosisAdrenal sourceFibroblast accumulationAdrenoreceptor antagonistBleomycin modelFibrosis modelLung fibrogenesisMouse model
2022
PTX3 in Granuloma Formation and Sarcoidosis: Helping Macrophages Accept a “Complement”
Ishikawa G, Herzog EL. PTX3 in Granuloma Formation and Sarcoidosis: Helping Macrophages Accept a “Complement”. American Journal Of Respiratory And Critical Care Medicine 2022, 206: 1064-1065. PMID: 35820078, PMCID: PMC9704837, DOI: 10.1164/rccm.202207-1277ed.Commentaries, Editorials and Letters
2021
Evolving Perspectives on Innate Immune Mechanisms of IPF
Ishikawa G, Liu A, Herzog EL. Evolving Perspectives on Innate Immune Mechanisms of IPF. Frontiers In Molecular Biosciences 2021, 8: 676569. PMID: 34434962, PMCID: PMC8381017, DOI: 10.3389/fmolb.2021.676569.Peer-Reviewed Original ResearchIdiopathic pulmonary fibrosisInnate immunityInnate immune populationsMolecular patternsMyeloid suppressor cellsInnate lymphoid cellsInnate immune mechanismsEpithelial-fibroblast interactionsRole of substancesSuppressor cellsPulmonary fibrosisImmune populationsImmune mechanismsDisease outcomePotential therapyLymphoid cellsHuman studiesFibrotic microenvironmentCommensal microbesAnimal modelingGenetic factorsImmunityFuture studiesComplex roleCellsElevated IL-15 concentrations in the sarcoidosis lung are independent of granuloma burden and disease phenotypes
Minasyan M, Sharma L, Pivarnik T, Liu W, Adams T, Bermejo S, Peng X, Liu A, Ishikawa G, Perry C, Kaminski N, Gulati M, Herzog EL, Dela Cruz CS, Ryu C. Elevated IL-15 concentrations in the sarcoidosis lung are independent of granuloma burden and disease phenotypes. American Journal Of Physiology - Lung Cellular And Molecular Physiology 2021, 320: l1137-l1146. PMID: 33851886, PMCID: PMC8285626, DOI: 10.1152/ajplung.00575.2020.Peer-Reviewed Original ResearchConceptsIL-15 concentrationsIL-15Bronchoalveolar lavageDisease pathogenesisSarcoidosis lungClinical manifestationsLineages of miceIL-15 receptor αHuman cohortsInflammation of sarcoidosisIL-15 levelsOngoing inflammatory processSystemic granulomatous diseaseNumber of granulomasDisease phenotypeSarcoidosis cohortTDM administrationGranuloma numberComorbid conditionsClinical progressionInterleukin-15Granulomatous diseaseInflammatory processGranuloma formationHealthy controlsMacrophage-derived netrin-1 drives adrenergic nerve–associated lung fibrosis
Gao R, Peng X, Perry C, Sun H, Ntokou A, Ryu C, Gomez JL, Reeves BC, Walia A, Kaminski N, Neumark N, Ishikawa G, Black KE, Hariri LP, Moore MW, Gulati M, Homer RJ, Greif DM, Eltzschig HK, Herzog EL. Macrophage-derived netrin-1 drives adrenergic nerve–associated lung fibrosis. Journal Of Clinical Investigation 2021, 131: e136542. PMID: 33393489, PMCID: PMC7773383, DOI: 10.1172/jci136542.Peer-Reviewed Original ResearchConceptsNetrin-1Lung fibrosisCell-specific knockout miceΑ1-adrenoreceptor blockadeIPF lung tissueNeuronal guidance proteinsNetrin-1 expressionExtracellular matrix accumulationAdrenergic processesAdrenoreceptor antagonismAdrenoreceptor blockadeFibrotic histologyInflammatory scarringIPF cohortAdrenergic nervesΑ1-blockersImproved survivalColorectal carcinomaLung tissueKnockout miceCollagen accumulationFibrosisMatrix accumulationMacrophagesGuidance proteins
Academic Achievements & Community Involvement
Clinical Care
Overview
Clinical Specialties
Internal Medicine; Pulmonary Critical Care ; Critical Care Medicine
Board Certifications
Critical Care Medicine (Internal Medicine)
- Certification Organization
- AB of Imaging Informatics
- Original Certification Date
- 2020
Pulmonary Disease
- Certification Organization
- AB of Internal Medicine
- Original Certification Date
- 2019
Internal Medicine
- Certification Organization
- AB of Internal Medicine
- Original Certification Date
- 2017