Principle of the Assay: This kit was based on sandwich enzyme-linked immune-sorbent assay technology. Anti-TIMP-3 polyclonal antibody was pre-coated onto 96-well plates. And the biotin conjugated anti-TIMP-3 polyclonal antibody was used as detection antibodies. The standards, test samples and biotin conjugated detection antibody were added to the wells subsequently, and wash with wash buffer. Avidin-Biotin-Peroxidase Complex was added and unbound conjugates were washed away with wash buffer. TMB substrates were used to visualize HRP enzymatic reaction. TMB was catalyzed by HRP to produce a blue color product that changed into yellow after adding acidic stop solution. The density of yellow is proportional to the TIMP-3 amount of sample captured in plate. Read the O.D. absorbance at 450nm in a microplate reader, and then the concentration of TIMP-3 can be calculated!!Background/Introduction: Metalloproteinase inhibitor 3 is an protein that in humans is encoded by the TIMP3 gene, which maps to to chromosome 22. This gene belongs to the tissue inhibitor of metalloproteinases gene family. The proteins encoded by this gene family are inhibitors of the matrix metalloproteinases, a group of peptidases involved in degradation of the extracellular matrix (ECM). Expression of this gene is induced in response to mitogenic stimulation and this netrin domain-containing protein is localized to the ECM. The balance of MMP and TIMP determines the net migratory capacity of DCs. Mutations in this gene have been associated with the autosomal dominant disorder Sorsby's fundus dystrophy.
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Product Notes
The Human TNFsR II (Catalog #AAA494826) is an ELISA Kit and is intended for research purposes only. The product is available for immediate purchase. The AAA494826 ELISA Kit recognizes Human TNFsR II. It is sometimes possible for the material contained within the vial of "TNFsR II, ELISA Kit" to become dispersed throughout the inside of the vial, particularly around the seal of said vial, during shipment and storage. We always suggest centrifuging these vials to consolidate all of the liquid away from the lid and to the bottom of the vial prior to opening. Please be advised that certain products may require dry ice for shipping and that, if this is the case, an additional dry ice fee may also be required.Precautions
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