TheRMT3-23monoclonalantibodyreactswithmouseTIM-3(Tcellimmunoglobulinandmucindomain-3)alsoknownasCD366.TIM-3isa60kDamemberoftheTIMfamilyofimmunecheckpointreceptorsandexistsasatypeItransmembraneglycoproteinwithamucin-likedomaininitsextracellularportionandatyrosinephosphorylationmotifinitscytoplasmicportion.TIM-3isspecificallyexpressedathighlevelsonthesurfaceofTh1lymphocyteswhereasTh2lymphocytesexpressTIM-1andTIM-2.TIM-3activationoccursviabindingtothecell-associatedC-typelectingalectin-9.UponbindingTIM-3inducesapoptosisofTh1cells.InhibitionofTIM-3signalinginmicehasbeenshowntoexacerbateexperimentalautoimmuneencephalomyelitis,promoteIFNγproductionandTh1cellproliferation.Tim-3hasalsobeenshowntoberequiredfortheinductionoftolerance,asbothTIM-3knockoutanimalsandmicetreatedwithTIM-3-Igfusionproteindisplaydefectsintheinductionofantigen-specifictolerance.Additionally,TIM-3signalingiscurrentlybeingexploredasacancerimmunotherapytargetasCD8TcellswhichexpressbothTIM-3andPD-1exhibitgreaterdefectsinbothcell-cycleprogressionandeffectorcytokineproductionthancellsthatexpressPD-1alone.TheRMT3-23antibodyactsasaTIM-3receptorantagonistandhasbeenshowntohavefunctionalactivityincludingsuppressingtumorcellgrowthinamurinesarcomamodel.
Isotype | RatIgG2a, κ |
RecomendedIsotypeControl(s) | InVivoMAbratIgG2aisotypecontrol,anti-trinitrophenol |
RecommendedInVivoPureDilutionBuffer | InVivoPurepH7.0DilutionBuffer |
Immunogen | RecombinantmouseTIM-3 |
ReportedApplications |
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Endotoxin |
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Purity |
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Formulation |
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Sterility | 0.2μMfiltered |
Production | Purifiedfromtissueculturesupernatantinananimalfreefacility |
Purification | ProteinG |
Storage | Undilutedat4°Cinthedark |