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Analysis of BMP-9/GDF2 by ELISA (CAT#: STEM-MB-1541-LGZ)

Introduction

Human bone morphogenetic protein 9 (BMP-9), also known as growth differentiation factor 2 (GDF-2), is a member of the BMP subgroup of transforming growth factor β superfamily proteins, signaling through heterodimer complexes composed of type Ⅰ and type Ⅱ BMP receptors. BMP-9 regulates the development and function of a variety of embryonic and adult tissues. BMP-9 is synthesized and secreted by non-parenchymal cells of the liver. It can promote lipid metabolism and inhibit glucose production. BMP-9 plays an important role in the development and maintenance of cholinergic neuronal phenotypes in the embryonic central nervous system. BMP-9 also induces mesenchymal stem cells to differentiate into chondrogenic cell lines. At low concentrations, BMP-9 is a proliferative factor of hematopoietic progenitor cells. But at high concentrations, it promotes the production of TGF-β1 and inhibits the formation of colonies of hematopoietic progenitor cells.




Principle

Enzyme-linked immunosorbent assay (ELISA) is an enzyme-labeled solid phase immunoassay technique. Its basic principle is to bind the antigen (or antibody) to the solid phase carrier, and the antigen (or antibody) and a certain enzyme link to enzyme labeled antigen (or antibody). During detection, the sample to be tested and the enzymic antigen (or antibody) react with the antigen (or antibody) on the solid phase carrier according to certain procedures, and then remove the unreacted part by washing method. After adding the substrate, the substrate is catalyzed by the enzyme on the solid phase carrier to produce colored substances. Through qualitative or quantitative detection of the amount of colored products, the content of the substance to be measured in the sample can be determined.

Applications

Development and function of embryonic and adult tissues.

Procedure

1. Add standards or samples to each well and incubate.
2. Pour off the liquid in the well, biotinylated antibody working solution and incubate.
3. Add enzyme conjugate working solution and incubate.
4. Add substrate TMB and incubate.
5. Add stop solution and measure OD value.
6. Calculation of results.

Materials

• Sample Type: Serum, plasma, cell culture supernatant and other biological samples

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