(5R)-5-hydroxytriptolide (LLDT-8), a novel triptolide analog mediates immunosuppressive effects in vitro and in vivo
Zhou R, Zhang F, He P, Zhou W, Wu Q, Xu J, Zhou Y, Tang W, Li X, Yang Y, Li Y, Zuo J. (5R)-5-hydroxytriptolide (LLDT-8), a novel triptolide analog mediates immunosuppressive effects in vitro and in vivo. International Immunopharmacology 2005, 5: 1895-1903. PMID: 16275624, DOI: 10.1016/j.intimp.2005.06.009.Peer-Reviewed Original ResearchMeSH KeywordsAnimalsB-LymphocytesCell ProliferationCell SurvivalCells, CulturedCytokinesDinitrofluorobenzeneDisease Models, AnimalDiterpenesDrugs, Chinese HerbalFemaleHypersensitivity, DelayedImmunosuppressive AgentsLymphocyte ActivationLymphocyte Culture Test, MixedMaleMiceMice, Inbred BALB CSheepSpleenT-LymphocytesConceptsLLDT-8Immunosuppressive activityBLAB/c miceType hypersensitivity reactionSheep red blood cellsTh1-type cytokinesHumoral immune responseProliferation of splenocytesImmune-related diseasesHigh immunosuppressive activityPotential therapeutic agentNovel triptolide analogRed blood cellsLymphocyte reactionHypersensitivity reactionsImmunosuppressive effectsInflammatory cytokinesLow acute toxicityC miceImmune responseType cytokinesTriptolide analoguesAntibody productionTherapeutic agentsBlood cellsInhibition of S-Adenosyl-l-homocysteine Hydrolase Induces Immunosuppression
Wu Q, Fu Y, Zhou W, Wang J, Feng Y, Liu J, Xu J, He P, Zhou R, Tang W, Wang G, Zhou Y, Yang Y, Ding J, Li X, Chen X, Yuan C, Lawson B, Zuo J. Inhibition of S-Adenosyl-l-homocysteine Hydrolase Induces Immunosuppression. Journal Of Pharmacology And Experimental Therapeutics 2005, 313: 705-711. PMID: 15640397, DOI: 10.1124/jpet.104.080416.Peer-Reviewed Original ResearchMeSH KeywordsAdenosylhomocysteinaseAnimalsAntigens, CDB7-1 AntigenB7-2 AntigenCell SurvivalDose-Response Relationship, DrugDown-RegulationEnzyme ActivationEnzyme InhibitorsFemaleGrowth InhibitorsImmunosuppressive AgentsLymphocyte Culture Test, MixedMaleMembrane GlycoproteinsMiceMice, Inbred BALB CMice, Inbred C57BLConceptsTHP-1 cellsImmunosuppressive effectsTumor necrosis factor-alpha productionDelayed-type hypersensitivity reactionS-adenosyl-L-homocysteine hydrolaseNecrosis factor-alpha productionLevels of CD80IL-12 productionMixed lymphocyte reactionT cell inhibitionHuman monocytic THP-1 cellsThioglycollate-stimulated peritoneal macrophagesT cell functionT cell proliferationImmunosuppressive therapeutic agentsT cell costimulationMonocytic THP-1 cellsDose-dependent mannerImmunologic effectsIL-12Lymphocyte reactionHypersensitivity reactionsCytokine outputMacrophage activationType III inhibitor