Lipoprotein(a) consists of an LDL-like particle and the specific apolipoprotein(a) , which is covalently bound to the apoB of the LDL like particle. Lp(a) plasma concentrations are highly heritable and mainly controlled by the apolipoprotein(a) gene located on chromosome 6q26-27. Apo(a) proteins vary in size due to a size polymorphism , which is caused by a variable number of so called kringle IV repeats in the LPA gene. This size variation at the gene level is expressed on the protein level as well, resulting in apo(a) proteins with 10 to > 50 kringle IV repeats . These variable apo(a) sizes are known as "apo(a) isoforms". There is a general inverse correlation between the size of the apo(a)isoform and the Lp(a) plasma concentration which is caused by a variable rate of degradation before the apo(a) protein has matured for Lp(a) assembly.

Human Lysophosphatidic acid (LPA) ELISA Kit employs a two-site sandwich ELISA to quantitate LPA in samples. An antibody specific for LPA has been pre-coated onto a microplate. Standards and samples are pipetted into the wells and anyLPA present is bound by the immobilized antibody. After removing any unbound substances, a biotin-conjugated antibody specific for LPA 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 LPA bound in the initial step. The color development is stopped and the intensity of the color is measured.

Human Lysophosphatidic acid (LPA) 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.