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Innovative Research/Human HDL ELISA Kit/IRKTAH2561/1 Ea

ProductDescription

HumanHDLELISAKit

HumanHDLELISAKitisdesignedfordetectionofHDLinplasma,serum,milk,andcellculturesupernatant.ThisassayemploysaquantitativecompetitiveenzymeimmunoassaytechniquethatmeasuresHDLinlessthan3hours.ApolyclonalantibodyspecificforHDLhasbeenpre-coatedontoa96-wellmicroplatewithremovablestrips.HDLinstandardsandsamplesiscompetedwithabiotinylatedHDLsandwichedbytheimmobilizedantibodyandstreptavidin-peroxidaseconjugate.Allunboundmaterialisthenwashedawayandaperoxidaseenzymesubstrateisadded.Thecolordevelopmentisstoppedandtheintensityofthecolorismeasured.

Humanhigh-densitylipoprotein(HDL)isthesmallestandthedensestofthediscoidalandsphericallipoproteinparticles.Whenfractionatedbyultracentrifugation,HDLisseparatedintotwomajorsub-fractionsHDL2(d1.0631.125g/ml)andHDL3(d1.1251.21g/ml)(1-2).Itcontains70ofapolipoproteinA-I,20ofapolipoproteinA-II,phospholipids,andfreecholesterol.HDLdeliverscholesteroltolivercellswhichthensecretebileacidsandcholesterolforexcretionorre-utilization(3).HDLplaysimportantanti-atherogenicroles,includingcellularcholesteroleffluxcapacity,antioxidative,anti-inflammatory,antiapoptotic,vasodilatory,antithrombotic,andanti-infectiousactivities(4).LowplasmaHDLcholesterolisanindependentriskfactorforthedevelopmentofprematureatherosclerosis.ArareformofgeneticHDLdeficiencyisTangierdiseasewhichisassociatedwithmutationsintheATP-bindingcassettetransporter1gene(5).

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