AboutInVivoMAbanti-humanPD-1(CD279)
TheJ116monoclonalantibodyreactswithhumanPD-1(programmeddeath-1)alsoknownasCD279.PD-1isa50-55kDacellsurfacereceptorencodedbythePdcd1genethatbelongstotheCD28familyoftheIgsuperfamily.PD-1istransientlyexpressedonCD4andCD8thymocytesaswellasactivatedTandBlymphocytesandmyeloidcells.PD-1expressiondeclinesaftersuccessfuleliminationofantigen.Additionally,Pdcd1mRNAisexpressedindevelopingBlymphocytesduringthepro-B-cellstage.PD-1"sstructureincludesaITIM(immunoreceptortyrosine-basedinhibitorymotif)suggestingthatPD-1negativelyregulatesTCRsignals.PD-1signalsviabindingitstwoligands,PD-L1andPD-L2bothmembersoftheB7family.Uponligandbinding,PD-1signalinginhibitsT-cellactivation,leADIngtoreducedproliferation,cytokineproduction,andTcelldeath.Additionally,PD-1isknowntoplaykeyrolesinperipheraltoleranceandpreventionofautoimmunediseaseinmiceasPD-1knockoutanimalsshowdilatedcardiomyopathy,splenomegaly,andlossofperipheraltolerance.InducedPD-L1expressioniscommoninmanytumorsincludingsquamouscellcarcinoma,colonadenocarcinoma,andbreastadenocarcinoma.PD-L1overexpressionresultsinincreasedresistanceoftumorcellstoCD8Tcellmediatedlysis.Inmousemodelsofmelanoma,tumorgrowthcanbetransientlyarrestedviatreatmentwithantibodieswhichblocktheinteractionbetweenPD-L1anditsreceptorPD-1.Forthesereasonsanti-PD-1mediatedimmunotherapiesarecurrentlybeingexploredascancertreatments.BindingoftheJ116antibodyisreportedtoinhibitPD-1signaltransduction,however,itisnotreportedtoblockPD-L1binding.
InVivoMAbanti-humanPD-1(CD279)Specifications
| Isotype | MouseIgG1, κ |
| RecommendedIsotypeControl(s) | InVivoMAbmouseIgG1isotypecontrol,unknownspecificity(BE0083) |
| RecommendedInVivoPureDilutionBuffer | InVivoPurepH7.0DilutionBuffer(IP0070) |
| Immunogen | Notavailableorunknown |
| 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 | Theantibodysolutionshouldbestoredundilutedat4°C,andprotectedfromprolongedexposuretolight.Donotfreeze. |
| RRID | AB_10950318 |
