Lokesh Kumar Sharma, PhD
Assistant Professor AdjunctCards
About
Research
Publications
2025
Therapeutic JAK inhibition does not impact lung injury during viral or bacterial pneumonia in male mice
Sharma L, Singh R, Ngeow C, van der Geest R, Duray A, Tolman N, McVerry B, Dela Cruz C, Alcorn J, Bain W, Robinson K. Therapeutic JAK inhibition does not impact lung injury during viral or bacterial pneumonia in male mice. Physiological Reports 2025, 13: e70232. PMID: 39921246, PMCID: PMC11805821, DOI: 10.14814/phy2.70232.Peer-Reviewed Original ResearchConceptsMurine model of influenzaIL-6 deletionMRSA pneumoniaModel of influenzaInflammatory cell recruitmentIL-6Interferon-stimulated genesMurine modelCell recruitmentJAK inhibitionElevated levels of IL-6Tissue injuryLevels of IL-6IL-6 deficiencyJAK inhibitor baricitinibSuppression of cytokinesLimit tissue injuryLung tissue injurySecondary bacterial infectionInfluenza infectionJAK/STAT signaling pathwayBaricitinib treatmentInhibitory therapyClinical efficacyBacterial burdenDamage sensing through TLR9 regulates inflammatory and antiviral responses during influenza infection
Kim J, Yuan Y, Agaronyan K, Zhao A, Wang V, Gau D, Toosi N, Gupta G, Essayas H, Kaminski A, McGovern J, Yu S, Woo S, Lee C, Gandhi S, Saber T, Saleh T, Hu B, Sun Y, Ishikawa G, Bain W, Evankovich J, Chen L, Yun H, Herzog E, Dela Cruz C, Ryu C, Sharma L. Damage sensing through TLR9 regulates inflammatory and antiviral responses during influenza infection. Mucosal Immunology 2025 PMID: 39884393, DOI: 10.1016/j.mucimm.2025.01.008.Peer-Reviewed Original ResearchToll-like receptor 9Anti-influenza immunityToll-like receptor 9 activationImpaired viral clearanceViral clearanceMyeloid cellsTissue injuryInflammatory responseInfluenza infectionPersistent inflammationLung injuryTissue damageToll-like receptor 9 deficiencyReceptor 9Toll-like receptor 9 signalingToll-like receptor 9 ligandInfection of immune cellsInfluenza-infected individualsPersistent lung injuryTLR9-/- miceInfected myeloid cellsInflammatory lung injurySensing tissue damageUnmethylated CpG DNA sequencesMitochondrial DNA
2024
Early antiviral use and supplemental oxygen decrease the risk of secondary bacterial infections: a multi-centre, nested, case–control study
Zhu Y, Hu H, Guo X, Zhang H, Li D, Dela Cruz C, Xie W, Xie L, Sharma L, Chang D. Early antiviral use and supplemental oxygen decrease the risk of secondary bacterial infections: a multi-centre, nested, case–control study. Journal Of Hospital Infection 2024, 156: 87-95. PMID: 39701496, DOI: 10.1016/j.jhin.2024.12.005.Peer-Reviewed Original ResearchConceptsRisk of secondary bacterial infectionIncidence of secondary bacterial infectionSecondary bacterial infectionAge-adjusted Charlson Comorbidity IndexCase-control studyPropensity-score matchingBacterial infectionsCOVID-19 patientsParenteral nutritionSupplemental oxygenTreatment strategiesAssociated with significant protectionAssociated with decreased incidenceAssociated with increased incidenceConditional logistic regression analysisSusceptibility to secondary bacterial infectionsAssociated with protectionCharlson Comorbidity IndexLogistic regression analysisAssociated with significant increasesAntiviral useGastric tubeAntibacterial therapyComorbidity indexIntravenous injectionContext‐specific anti‐inflammatory roles of type III interferon signaling in the lung in nonviral injuries
Feng J, Kim J, Wang V, Chang D, Liu H, Bain W, Robinson K, Jie Z, Kotenko S, Dela Cruz C, Sharma L. Context‐specific anti‐inflammatory roles of type III interferon signaling in the lung in nonviral injuries. Physiological Reports 2024, 12: e70104. PMID: 39455422, PMCID: PMC11511623, DOI: 10.14814/phy2.70104.Peer-Reviewed Original ResearchConceptsIII interferon signalingType III interferon signalingLung injuryInterferon signalingBleomycin-induced weight lossInflammatory responseModel of lung injuryBacterial pathogen Pseudomonas aeruginosaAcute lung injuryPathogen Pseudomonas aeruginosaBacterial endotoxin LPSChemotherapeutic agent bleomycinType III interferonsAnti-inflammatory roleIncreased inflammatory signalingLate time pointsBleomycin modelKnockout miceEndotoxin LPSIII interferonsAntiviral cytokinesDay 3Inflammatory signalingEarly injuryImpaired recoveryBeneficial effects of early low-dose methylprednisolone with long-term treatment in ARDS
Hu H, Wei S, Huang J, Sharma L, Chang D. Beneficial effects of early low-dose methylprednisolone with long-term treatment in ARDS. European Journal Of Internal Medicine 2024, 129: 137-139. PMID: 38879352, DOI: 10.1016/j.ejim.2024.06.009.Peer-Reviewed Original ResearchClinical features and multiomics profiles indicate coagulation and platelet dysfunction in COVID-19 viral sepsis
Xiao Z, Lin M, Song N, Wu X, Hou J, Wang L, Tian X, An C, Dela Cruz C, Sharma L, Chang D. Clinical features and multiomics profiles indicate coagulation and platelet dysfunction in COVID-19 viral sepsis. IScience 2024, 27: 110110. PMID: 38974472, PMCID: PMC11225851, DOI: 10.1016/j.isci.2024.110110.Peer-Reviewed Original ResearchViral sepsisCausative agent of sepsisAgent of sepsisCases of sepsisSusceptibility to secondary bacterial infectionsNon-sepsis patientsSecondary bacterial infectionPlatelet activation pathwaysMetabolomic characteristicsPlatelet dysfunctionSepsis phenotypesClinical featuresSystemic disease phenotypeSepsis patientsSepsisCOVID-19 pathologyBacterial infectionsProteomic signatureDisease phenotypeComplement proteinsBacterial pathogensProteomic dataActivation pathwayFunctional consequencesPathway proteinsSingle-cell RNA-seq analysis of cell-cell communications in human lung reveals a novel role of VEGF-D in acute lung injury
Yuan Y, Sharma L, Tang W, Raredon M, Ahangari F, Khoury J, Wu D, Niklason L, Kaminski N. Single-cell RNA-seq analysis of cell-cell communications in human lung reveals a novel role of VEGF-D in acute lung injury. Physiology 2024, 39: 1314. DOI: 10.1152/physiol.2024.39.s1.1314.Peer-Reviewed Original ResearchIdiopathic pulmonary fibrosisAcute lung injuryChronic obstructive pulmonary diseaseAcute respiratory distress syndromeAnalysis of cell-cell communicationVEGF-DMicrovascular nicheSingle-cell RNA-seqLung injury modelSingle-cell RNA-seq analysisLung injuryCell-cell communicationLigand-receptor pairsLPS-induced lung injury modelRNA-seqAdjacent cell typesPulmonary diseaseInjury modelHuman lung endothelial cellsBarrier functionImmune cell infiltrationTumor necrosis factor-aRespiratory distress syndromeLung vascular integrityGene expressionEpidermal Growth Factor Receptor Regulates Beclin-1 in Hyperoxia-Induced Lung Injury
Harris Z, Sun Y, Korde A, Hu B, Sharma L, Manning E, Joerns J, Clark B, Stanley G, Shin H, Placek L, Unutmaz D, Chun H, Sauler M, Rajagopalan G, Zhang X, Wang H, Kang M, Koff J. Epidermal Growth Factor Receptor Regulates Beclin-1 in Hyperoxia-Induced Lung Injury. 2024, a6841-a6841. DOI: 10.1164/ajrccm-conference.2024.209.1_meetingabstracts.a6841.Peer-Reviewed Original ResearchAnti-inflammatory Roles of Type I Interferon Signaling in the Lung
Feng J, Liu Y, Kim J, Ahangari F, Kaminski N, Bain W, Jie Z, Dela Cruz C, Sharma L. Anti-inflammatory Roles of Type I Interferon Signaling in the Lung. 2024, a6230-a6230. DOI: 10.1164/ajrccm-conference.2024.209.1_meetingabstracts.a6230.Peer-Reviewed Original ResearchVEGF-D Is Enriched in the Human Lung Microvascular Niche and Improves Vascular Integrity During Acute Lung Injury
Yuan Y, Sharma L, Tang W, Raredon M, Ahangari F, Khoury J, Wu D, Niklason L, Kaminski N. VEGF-D Is Enriched in the Human Lung Microvascular Niche and Improves Vascular Integrity During Acute Lung Injury. 2024, a4694-a4694. DOI: 10.1164/ajrccm-conference.2024.209.1_meetingabstracts.a4694.Peer-Reviewed Original Research