TNF-sR2 | |
| Manufacturer/Trade: | Exocell/TNF-sR2H |
| CatalogueNumbers: | 1034 |
| Methodology: | QuantitativeSandwichELISA |
| ProductDescription: | TNF-sR2ELISAmeasuresthesolublereceptor2ofTNFαinBIOLOGicsamplesofhumanorigin.The55-kDTNFαR1and75-kDTNFαR2arespecificcellsurfacereceptorsforTNFα,atransmembraneinflammatory-mediatingcytokine,thatelicitTNF-mediatedresponsesthroughactivationofcellsignalingpathways.TNFαanditsreceptorsareshedfromthecellsurface,withTNFαappearingintheplasmaasfreecytokineorboundtocirculatingreceptorsreleasedintotheextracellularspace.CirculatingconcentrationsofTNFαR2havebeenfoundtobeassociatedwithcardiovascularandrenaldisease,andparticularlywiththedevelopmentofchronickidneydiseaseindiabetes. Tocompletetheassay,standardorsamplecontainingTNF-sR2inthesolublephaseisaddedtomicrotiterwellscoatedwithanti-receptorantibody.TheTNF-sR2instandardorsampleiscapturedbythisantibodyonthesolidphase,andunboundmaterialsarewashedaway.Biotinylatedanti-receptorantibodyisthenadded,followedbyareactionwithStreptavidinHRPconjugatetolabelthebiotinylatedprobewithenzyme.Afterwashing,TNF-sR2boundtothecaptureantibodyonthestationaryphaseisdetectedwiththeadditionofachromogenicsubstrate.Sampleswithabsorbancevaluesabovethestandardcurveshouldbedilutedbeforeassay. |
| SpecimenRequired: | 100ulofspecifieddilutionofplasma,urine,serumorcellculturesupernatant |
| AssayRange: | 15.60–1000pg/ml |
| Precision: | Intra-andinter-assayprecisionforsampleswithintheassayrangehaveaC.V.of<7%. |
 ©2013ExocellInc. | |
