Detection Method:Sandwich
Test principle:This assay employs a two-site sandwich ELISA to quantitate SOD1 in samples. An antibody specific for SOD1 has been pre-coated onto a microplate. Standards and samples are pipetted into the wells and anySOD1 present is bound by the immobilized antibody. After removing any unbound substances, a biotin-conjugated antibody specific for SOD1 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 SOD1 bound in the initial step. The color development is stopped and the intensity of the color is measured.
Product Overview:SOD outcompetes damaging reactions of superoxide, thus protecting the cell from superoxide toxicity. In biological systems, this means its main reactions are with itself (dismutation) or with another biological radical such as nitric oxide (NO) or a metal. SOD is used in cosmetic products to reduce free radical damage to skin, for example to reduce fibrosis following radiation for breast cancer. Studies of this kind must be regarded as tentative, however, as there were not adequate controls in the study including a lack of randomization, double-blinding, or placebo. SOD has proved to be highly effective in treatment of colonic inflammation in experimental colitis. Treatment with SOD decreases reactive oxygen species generation and oxidative stress and, thus, inhibits endothelial activation and indicate that modulation of factors that govern adhesion molecule expression and leukocyte-endothelial interactions.
