Featured Publications
14-3-3 epsilon is an intracellular component of TNFR2 receptor complex and its activation protects against osteoarthritis
Fu W, Hettinghouse A, Chen Y, Hu W, Ding X, Chen M, Ding Y, Mundra J, Song W, Liu R, Yi Y, Attur M, Samuels J, Strauss E, Leucht P, Schwarzkopf R, Liu C. 14-3-3 epsilon is an intracellular component of TNFR2 receptor complex and its activation protects against osteoarthritis. Annals Of The Rheumatic Diseases 2021, 80: 1615-1627. PMID: 34226187, PMCID: PMC8595573, DOI: 10.1136/annrheumdis-2021-220000.Peer-Reviewed Original ResearchConceptsPathogenesis of osteoarthritisTNFR2 complexTherapeutic effectSingle-cell RNA-seqIntracellular componentsReceptor complexExtracellular signal-regulated kinaseNuclear factor kappa BSignal-regulated kinaseCommon joint diseaseFactor kappa BChondrocyte-specific deletionProteomic screenElk-1RNA-seqTranscription factorsCell-based assaysTNF signalingTNFR2 pathwayInducible componentJoint diseaseActivity screenTherapeutic targetKappa BOsteoarthritis
2024
Novel peptide inhibitor of human tumor necrosis factor-α has antiarthritic activity
Sahu D, Gupta C, Yennamalli R, Sharma S, Roy S, Hasan S, Gupta P, Sharma V, Kashyap S, Kumar S, Dwivedi V, Zhao X, Panda A, Das H, Liu C. Novel peptide inhibitor of human tumor necrosis factor-α has antiarthritic activity. Scientific Reports 2024, 14: 12935. PMID: 38839973, PMCID: PMC11153517, DOI: 10.1038/s41598-024-63790-6.Peer-Reviewed Original ResearchConceptsProtein-protein interactionsGel mobility-shift assaysCollagen-induced arthritisMobility-shift assaysCell surface receptorsFluorescence-activated cell sortingSequence strandsBinding of TNFIn silico methodsCell deathMouse modelSurface receptorsNuclear translocationTrimer formationCell culture assaysRheumatoid arthritisVicious cycle of inflammationModel of collagen-induced arthritisTumor necrosis factor-aCell sortingMouse model of collagen-induced arthritisA549 cellsCycle of inflammationInflammatory bone destructionCulture assay
2022
Penfluridol targets acid sphingomyelinase to inhibit TNF signaling and is therapeutic against inflammatory autoimmune diseases
Chen Y, Liu R, Cui Y, Hettinghouse A, Fu W, Zhang L, Zhang C, Liu C. Penfluridol targets acid sphingomyelinase to inhibit TNF signaling and is therapeutic against inflammatory autoimmune diseases. Arthritis Research & Therapy 2022, 24: 27. PMID: 35045889, PMCID: PMC8767691, DOI: 10.1186/s13075-021-02713-6.Peer-Reviewed Original ResearchConceptsInflammatory autoimmune diseaseAnti-TNF activityNF-κB activationInflammatory arthritisAutoimmune diseasesAcid sphingomyelinase activityTherapeutic effectTumor necrosis factor αInhibitory effectTNFα-transgenic miceCollagen-induced arthritisSeverity of arthritisInflammatory cytokine productionM1 macrophage polarizationBone marrow-derived macrophagesNecrosis factor αNF-κB activitySphingomyelinase activitySmall molecule drug libraryRAW 264.7 macrophage cell lineMarrow-derived macrophagesAcid sphingomyelinaseDrug affinity responsive target stabilityCytokine productionChronic schizophrenia
2020
Monitoring Atsttrin-Mediated Inhibition of TNFα/NF-κβ Activation Through In Vivo Bioluminescence Imaging
Hettinghouse A, Fu W, Liu C. Monitoring Atsttrin-Mediated Inhibition of TNFα/NF-κβ Activation Through In Vivo Bioluminescence Imaging. Methods In Molecular Biology 2020, 2248: 201-210. PMID: 33185877, PMCID: PMC8140391, DOI: 10.1007/978-1-0716-1130-2_14.Peer-Reviewed Original ResearchConceptsTumor necrosis factorDouble mutant miceNF-κBOverexpression of TNFMutant miceBioluminescence imagingTransgenic reporter mouse modelNF-κB luciferaseNF-κβ activationVivo bioluminescence imagingReporter mouse modelAutoimmune conditionsTNF-TgNF-κβNecrosis factorImmune responseMouse modelMolecular mediatorsTransgenic modelTherapeutic objectivesVivo efficacyProgranulinPotential therapeuticsAtsttrinLuciferase activity
2018
p204 Is Required for Canonical Lipopolysaccharide-induced TLR4 Signaling in Mice
Yi Y, Jian J, Gonzalez-Gugel E, Shi Y, Tian Q, Fu W, Hettinghouse A, Song W, Liu R, He M, Qi H, Yang J, Du X, Xiao G, Chen L, Liu C. p204 Is Required for Canonical Lipopolysaccharide-induced TLR4 Signaling in Mice. EBioMedicine 2018, 29: 78-91. PMID: 29472103, PMCID: PMC5925582, DOI: 10.1016/j.ebiom.2018.02.012.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsCells, CulturedCytokinesGenotypeImmunity, InnateInflammasomesInflammation MediatorsInterferon Regulatory Factor-3Interferon-betaLipopolysaccharidesMacrophage ActivationMacrophagesMiceMice, KnockoutModels, BiologicalNF-kappa BNuclear ProteinsPhosphoproteinsProtein BindingProtein MultimerizationRAW 264.7 CellsShock, SepticSignal TransductionToll-Like Receptor 4ConceptsPro-inflammatory cytokinesLPS challengeIRF-3 pathwayDimerization of TLR4Serum levelsLPS-TLR4TLR4 signalingNF-ĸBAnimal modelsPyrin domainInnate immunityExtracellular LPSInterferon-inducible p200 familyInfectious diseasesLPSMicePotential targetTLR4IFNCytokinesMacrophagesBacterial DNASignificant defectsDramatic reductionPathway
2013
ADAMTS-7 forms a positive feedback loop with TNF-α in the pathogenesis of osteoarthritis
Lai Y, Bai X, Zhao Y, Tian Q, Liu B, Lin E, Chen Y, Lee B, Appleton C, Beier F, Yu X, Liu C. ADAMTS-7 forms a positive feedback loop with TNF-α in the pathogenesis of osteoarthritis. Annals Of The Rheumatic Diseases 2013, 73: 1575. PMID: 23928557, PMCID: PMC4418017, DOI: 10.1136/annrheumdis-2013-203561.Peer-Reviewed Original ResearchConceptsADAMTS-7ADAMTS-7 expressionRat OA modelPathogenesis of osteoarthritisNF-κB signalingOA modelOA progressionCartilage degradationOA-like phenotypeTumor necrosis factorProgression of osteoarthritisJoint degenerative diseaseDownstream NF-κB signalingPotential molecular targetsPositive feedback loopShort-limbed dwarfismDisease progressionOA developmentNecrosis factorSafranin O stainingYoung miceUpregulated TNFReporter gene assayOsteoarthritisTransgenic miceProgranulin deficiency exaggerates, whereas progranulin‐derived Atsttrin attenuates, severity of dermatitis in mice
Zhao Y, Tian Q, Liu C. Progranulin deficiency exaggerates, whereas progranulin‐derived Atsttrin attenuates, severity of dermatitis in mice. FEBS Letters 2013, 587: 1805-1810. PMID: 23669357, PMCID: PMC3683372, DOI: 10.1016/j.febslet.2013.04.037.Peer-Reviewed Original ResearchConceptsInflammatory skin diseaseSeverity of dermatitisMouse dermatitis modelNF-κB signalingPotential molecular targetsInflammatory arthritisDermatitis modelSkin inflammationPGRN levelsSevere inflammationProgranulin deficiencySkin diseasesProtective roleInflammationMolecular targetsPGRNAtsttrinDermatitisOxazoloneArthritisTNFαProgranulinDiseaseMiceProtein