Mouse Prekallikrein total antigen assay ELISA kit


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Mouse Prekallikrein total antigen assay ELISA kit

Prekallikrein is the glycosylated single chain zymogen precursor of the plasma serine protease kallikrein. Plasma prekallikrein circulates with kininogen and is activated by Factor XIIa in the intrinsic coagulation pathway. Kallikrein activates plasminogen in fibrinolysis and cleaves kininogen in the bradykinin system of vasodilation. Prekallikrein deficiency is rare and causes increased activated partial thromboplastin time. Elevated plasma prekallikrein is associated with diabetes and cardiovascular disease. The sensitive quantitative measurement of total mouse prekallikrein antigen in plasma samples is easily performed with this 96 well strip format ELISA kit. Kallikrein will be detected by the assay. The concentration of prekallirein in normal human plasma is 15-55 ug/ml. Normal values of prekallikrein in mouse plasma have not been conclusively determined but are believed to be similar to human plasma based on in-house testing. The assay measures mouse prekallikrein in the 0.1-100 ng/ml range. Samples giving mouse prekallikrein levels above 100 ng/ml should be diluted in blocking buffer before use. A 1:10,000-1:20,000 dilution for plasma is suggested for best results. Mouse prekallikrein will bind to the capture antibody coated on the microtiter plate. After appropriate washing steps, biotin labeled anti-mouse prekallikrein primary antibody binds to the captured protein. Excess primary antibody is washed away and bound antibody is reacted with streptavidin conjugated to HRP. Following an additional washing step, TMB substrate is used for color development at 450nm. Color development is proportional to the concentration of prekallikrein in the samples. A standard calibration curve is prepared using dilutions of purified prekallikrein and is measured along with the test samples. All reagents and standards are provided in these ELISA kits.

Gene ID: 16621
Swiss-Prot/UniProt ID: P26262

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