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HumanZyme/IL-15 (Interleukin-15)/HZ-7221/50 µg

ProductDescription:

Interleukin15isacytokinewithstructuralsimilaritytoIL-2.LikeIL-2,IL-15bindstoandsignalsthroughtheIL-2/IL-15betachain(CD122)andthecommongammachain(gamma-C,CD132).IL-15issecretedbymononuclearphagocytes(andsomeothercells)followinginfectionbyvirus(es).Thiscytokineinducescellproliferationofnaturalkillercells;cellsoftheinnateimmunesystemwhoseprincipalroleistokillvirallyinfectedcells.Interleukin15(IL-15)regulatesTandnaturalkiller(NK)cellactivationandproliferation.SurvivalsignalsthatmaintainmemoryTcellsintheabsenceofantigenareprovidedbyIL-15.ThiscytokineisalsoimplicatedinNKcelldevelopment.Inrodentlymphocytes,IL-15preventsapoptosisbyinducinganapoptosisinhibitor,BCL2L1/BCL-x(L).IL-15hasbeenshowntoenhancetheanti-tumorimmunityofCD8+Tcellsinpre-clinicalmodels.AphaseIclinicaltrialtoevaluatethesafety,dosing,andanti-tumorefficacyofIL-15inpatientswithmetastaticmelanomaandrenalcellcarcinoma(kidneycancer)hasbeguntoenrollpatientsattheNationalInstitutesofHealth.

TechnicalSpecifications:

  • Species:Human
  • Expression:HEK293CellExpressed
  • Activity:Typically<0.5ng/mLED50
  • Purity:>95%
  • Endotoxin:<1.0EU/μg
  • MolecularMass:12.8kDa
  • Formulation:PBS,pH7.4
  • CountryofOrigin:USA

PurityConfirmation:

ThiswasdeterminedbySDS-PAGE.

ActivityAssay:

Determinedbythedose-dependentstimulationoftheproliferationofCTLL-2cells.

ReconstitutionBuffer:

SeeCertificateofAnalysisforreconstitutioninstructionsandspecificconcentrations.

Storage:

LyophilizedProteinshouldbestoredat-20°orlowerforlongtermstorage.Uponreconstitution,workingaliquotsshouldbestoredat-20°or-70°.Avoidrepeatedfreeze-thawcycles.

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