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Analysis of Mesothelin (Human) by ELISA (CAT#: STEM-MB-1049-LGZ)

Introduction

Mesothelin is a kind of cell surface glycoprotein with a molecular weight of 40kDa, which is a biological marker of early pancreatic cancer and is highly expressed in various tumor tissues, as well as in normal pleura, pericardium and peritoneal mesothelin cells, so it is not a tumor-specific protein. The Mesothelin gene encodes a 69kDa precursor protein, which is processed into a 40kDa membrane-binding protein (Mesothelin) and a 31kDa shed fragment called megakarya cell-promoting factor (MPF) and released extracellular, Mesothelin is recognized by monoclonal antibody (Mab) k1.




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

Oncology & Cancer

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: plasma, serum, supernatant
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