Sensitive, Specific and Cost Effective
IL-6 is a multi-functional cytokine that induces a number of biological responses and plays a role in cell growth regulation, immune host defense, angiogenesis and others. It is produced by many different cell types including monocytes, fibroblasts, endothelial cells, glial cells, and keratinocytes.
Figure: Box plot of the serum IL-6 level in the RA patients and control according to the IL-6 (−174 G/C) promoter polymorphism type. http://dx.doi.org/10.1016/j.ejr.2012.11.002.
Suggested Application: Quantitative Protein Detection; Establishing Normal Range; Validation of Antibody Array Results.
· Pre-Coated 96-Well Strip Microplate
· Wash Buffer
· Stop Solution
· Assay Diluent(s)
· Lyophilized Standard
· Biotinylated Detection Antibody
· Streptavidin-Conjugated HRP
· TMB One-Step Substrate
Other Materials Required:
· Distilled or deionized water
· Precision pipettes to deliver 2 μl to 1 ml volumes
· Adjustable 1-25 ml pipettes for reagent preparation
· 100 ml and 1 liter graduated cylinders
· Tubes to prepare standard and sample dilutions
· Absorbent paper
· Microplate reader capable of measuring absorbance at 450nm
· Log-log graph paper or computer and software for ELISA data analysis
1. Prepare all reagents, samples and standards as instructed in the manual.
2. Add 100 μl of standard or sample to each well. Incubate 2.5 h at RT or O/N at 4°C.
3. Add 100 μl of prepared biotin antibody to each well. Incubate 1 h at RT.
4. Add 100 μl of prepared Streptavidin solution to each well. Incubate 45 min at RT.
5. Add 100 μl of TMB One-Step Substrate Reagent to each well. Incubate 30 min at RT.
6. Add 50 μl of Stop Solution to each well. Read at 450 nm immediately.