Analysis of Aβ38 (6E10) (Human) by ELISA (CAT#: STEM-MB-0679-LGZ)

Introduction

The pathogenesis of Alzheimer's disease (AD) is believed to be closely dependent on deposits of neurotoxic amyloid-β peptides (Aβ), which become abundantly present throughout the central nervous system in advanced stages of the disease. The different Aβ peptides existing are generated by subsequent cleavage of the amyloid-β protein precursor (AβPP) and may vary in length and differ at their C-terminus. Despite extensive studies on the most prevalent species Aβ40 and Aβ42, Aβ peptides with other C-termini such as Aβ38 have not received much attention yet.

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Principle Applications Procedure Materials Notes Related Products

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

Alzheimer’s Disease, Neurobiology/Neurodegeneration

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 or other biological fluids

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