SAP(小鼠)ELISA试剂盒 货号:E-HK215
SAP, Mouse, ELISA kit
背景资料:The mouse SAP ELISA is a ready-to-use solid-phase enzyme-linked immunosorbent assay based on the sandwich principle with a working time of 3·5 hours· The efficient format of a plate with twelve disposable 8-well strips allows free choice of batch size for the assay· Samples and standards are incubated in microtiter wells coated with antibodies recognizing mouse SAP· Biotinylated tracer antibody will bind to the captured mouse SAP· Streptavidin-peroxidase conjugate will bind to the biotinylated tracer antibody· Streptavidin-peroxidase conjugate will react with the substrate, tetramethylbenzidine (TMB)· The enzyme reaction is stopped by the addition of oxalic acid· The absorbance at 450 nm is measured with a spectrophotometer· A standard curve is obtained by plotting the absorbance (linear) versus the corresponding concentrations of the mouse SAP standards (log)· The mouse SAP concentration of samples, which are run concurrently with the standards, can be determined from the standard curve·
产品描述: Serum amyloid P component (SAP) belongs to a highly conserved superfamily of calcium-dependent ligand binding and lectin (carbohydrate binding) proteins, also called pentraxins, due to the pentameric structure of the proteins· The polypeptide subunits are 31 kDa in size under reducing conditions· The C-reactive protein (CRP) and SAP are short pentraxins, which are produced in the liver in response to inflammatory mediators· Pentraxin 3 (PTX3), is the prototypic long pentraxin· Both SAP and CRP are evolutionary conserved in all vertebrates and also found in distant invertebrates such as the horseshoe crab (Limulus polyphemus)· Human SAP and CRP share 51% residue sequence identity and 66% homology· Mouse SAP has shown to be a reliable marker of the acute phase· In mouse, SAP levels increase significantly 24 hours after challenge with lipopolysaccharide· In man, SAP does not become elevated during inflammation, whereas CRP is the prototypical acute phase reactant· CRP in mice has been isolated, but it has not been well documented as it occurs only at concentrations of nanograms per milliliter· SAP is highly resistant to proteolysis, especially when it forms complexes with calcium-dependent ligands· SAP avidly binds to macromolecular ligands, such as nucleosomal DNA, glycosaminoglycans and amyloid fibrils· Aggregated SAP can bind C1q and activate the classical complement pathway· SAP contributes significantly to the pathogenesis of amyloidosis· The mechanism of its participation is not yet known and may differ between species· The normal mouse serum level of SAP is similar between males and females, but is different among mouse strains· Endogenous SAP levels range from 20 ug/ml to 150 ug/ml· Mouse strains can be divided in high and low SAP-responder strains after stimulation·
产品特点:Detection level 0·4 ng-ml
保存建议:推荐4℃保存,有效期一年。
定购信息:
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