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Analysis of Prolactin by ELISA (CAT#: STEM-MB-1531-LGZ)

Introduction

Prolactin (PRL) is a neuroendocrine pituitary hormone encoded by the PRL gene and synthesized by the pituitary, placenta, brain, uterus, dermal fibroblasts, decidua, B cells, T cells, natural killer cells, and breast cancer cells. Prolactin is low in human pregnancy in the first trimester and is replaced by placental prolactin, but increased in the third trimester. Prolactin plays an important role in metabolism, immune system regulation and pancreatic development. Prolactin also acts in a cytokine-like manner and is an important regulator of the immune system. As growth, differentiation and anti-apoptotic factors, it has important cell cycle related functions. As a growth factor that binds to cytokine-like receptors, it affects hematopoiesis, angiogenesis, and is involved in the regulation of blood coagulation through a variety of pathways.




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, Immunology/Inflammation

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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