Urokinase-type plasminogen activator is a serine protease involved in degradation of the extracellular matrix and possibly tumor cell migration and proliferation. The protein encoded by this gene converts plasminogen to plasmin by specific cleavage of an Arg-Val bond in plasminogen. This gene's proprotein is cleaved at a Lys-Ile bond by plasmin to form a two-chain derivative in which a single disulfide bond connects the amino-terminal A-chain to the catalytically active, carboxy-terminal B-chain. This two-chain derivative is also called HMW-uPA (high molecular weight uPA). HMW-uPA can be further processed into LMW-uPA (low molecular weight uPA) by cleavage of chain A into a short chain A (A1) and an amino-terminal fragment. LMW-uPA is proteolytically active but does not bind to the uPA receptor.

Rat Urokinase (UK) ELISA Kit employs a two-site sandwich ELISA to quantitate UK in samples. An antibody specific for UK has been pre-coated onto a microplate. Standards and samples are pipetted into the wells and anyUK present is bound by the immobilized antibody. After removing any unbound substances, a biotin-conjugated antibody specific for UK is added to the wells. After washing, Streptavidin conjugated Horseradish Peroxidase (HRP) is added to the wells. Following a wash to remove any unbound avidin-enzyme reagent, a substrate solution is added to the wells and color develops in proportion to the amount of UK bound in the initial step. The color development is stopped and the intensity of the color is measured.

Rat Urokinase (UK) ELISA Kit listed herein is for research use only and is not intended for use in human or clinical diagnosis. Suggested applications of our products are not recommendations to use our products in violation of any patent or as a license. We cannot be responsible for patent infringements or other violations that may occur with the use of this product.

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Abbkine Scientific Co., Ltd. was founded by a number of scientists and marketing experts in the field of life science in California in 2012. With growing demands from Asia Pacific, it move its headquarters to China. Combining cutting edge technology from United States with China's manufacturing engineering and cost advantages, we aim to provide innovative, high quality assay kits, recombinant proteins, antibodies and other research tools to accelerate life science fundamental research, drug discovery, etc.