Active rabbit PAI-1 functional assay ELISA kit

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Active rabbit PAI-1 functional assay ELISA kit

Plasminogen activator inhibitor type 1 (PAI-1) is involved in the regulation of the blood fibrinolytic system. Increased plasma levels of PAI-1 are implicated in the impairment of fibrinolytic function and may be associated with thrombotic diseases. Levels of PAI-1 increase with age and are elevated in conditions such as normal pregnancy and sepsis. The sensitive quantitative measurement of functionally active rabbit PAI-1 in plasma samples is easily performed with this 96 well strip format ELISA kit. The concentration of PAI-1 activity was reported to be 9.8 ng/ml in rabbit plasma and 2.9 ng/ml in rabbit serum. The assay measures active PAI-1 in the 0.05-50 ng/ml range. Samples giving rabbit PAI-1 levels above 50 ng/ml should be diluted in blocking buffer before use. It is important to ensure a platelet free preparation of plasma as platelets can release PAI-1. Functionally active PAI-1 reacts with urokinase coated onto a micro titer plate. Latent or complexed PAI-1 will not bind to the plate and will not be detected by the assay. After appropriate washing steps, anti-rabbit PAI-1 primary antibody binds to the captured enzyme. Excess antibody is washed away, and bound antibody is reacted with the secondary antibody conjugated to HRP. Following an additional washing step, TMB substrate is used for color development at 450 nm. Color development is proportional to the concentration of PAI-1 in the samples. A standard calibration curve is prepared using dilutions of purified PAI-1 and is measured along with the test samples. All reagents and standards are provided in these ELISA kits.This assay uses an exclusive enzyme capture technology to only detect functionally active protein.Suggested additional reagents: 10X Wash Buffer, TMB Substrate, uPA Plate, Secondary Antibody

Gene ID: 100338234

Swiss-Prot/UniProt ID: P79335

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1. Aziz K, Berger K, Claycombe K et-al. Noninvasive detection and localization of vulnerable plaque and arterial thrombosis with computed tomography angiography/positron emission tomography. Circulation. 2008;117 (16): 2061-70. doi:10.1161/CIRCULATIONAHA.106.652313Pubmed citation

2. Komissarov AA, Florova G, Azghani A et-al. Active α-macroglobulin is a reservoir for urokinase after fibrinolytic therapy in rabbits with tetracycline-induced pleural injury and in human pleural fluids. Am. J. Physiol. Lung Cell Mol. Physiol. 2013;305 (10): L682-92. doi:10.1152/ajplung.00102.2013Free text at pubmedPubmed citation

3. Florova G, Azghani A, Karandashova S, et al. Targeting of plasminogen activator inhibitor 1 improves fibrinolytic therapy for tetracycline-induced pleural injury in rabbits. Am J Respir Cell Mol Biol. 2015;52(4):429-37. Link to article