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EK000015-EK0411: Mouse IL-6 ELISA Kit
Range 15.6pg/ml-1000pg/ml
Sensitivity < 1 pg/ml
Specificity: no detectable cross-reactivity with any other cytokine.
Application: for quantitive detection of mouse IL-6 in sera, plasma, body fluids, tissue lysates or cell culture supernates.
Expiration: four months at 4°C and eight months at -20°C.
Background
The human interferon-beta 2 gene (IFNB2) product is identical to that for the B-cell stimulation factor-2 (BSF-2), the hybridoma growth factor (HGF) ("interleukin-6"), and the hepatocyte stimulating factor (HSF). Proteins derived from this gene mediate the plasma protein response to tissue injury (acute-phase response) and regulate the growth and differentiation of both B and T cells.1 Interleukin-6 (IL6) has come to be regarded as a potential osteoporotic factor because it has stimulatory effects on cells of the osteoclast lineage, and, thus, may play a role in the pathogenesis of bone loss associated with estrogen deficiency.2 IL-6 has many roles essential to the regulation of the immune response, hematopoiesis, and bone resorption.3 It is involved not only in the hepatic acute phase response but also in adipose tissue metabolism, lipoprotein lipase activity, and hepatic triglyceride secretion.4 Overproduction of IL-6, a proinflammatory cytokine, is associated with a spectrum of age-related conditions including cardiovascular disease, osteoporosis, arthritis, type 2 diabetes, certain cancers, periodontal disease, frailty, and functional decline.5 BSF-2 is a novel interleukin consisting of 184 amino acids.6 The standard product used in this kit is recombinant human IL-6, consisting of 184 amino acids with the molecular mass of 20.3kDa.
Principle
The ELISA Kit is based on standard sandwich enzyme-linked immune-sorbent assay technology. The target specific antibodies are precoated onto 96-well plates. The target from the sample is bound to the microwell. The biotinylated target specific detection antibodies are added to the microwells and followed by washing with the PBS or TBS buffer. Avidin-Biotin-Peroxidase Complex is added and unbound conjugates are washed away with the PBS or TBS buffer. TMB, the HRP (horseradish peroxidase) substrate, is used to visualize color change resulting from the HRP enzymatic reaction. TMB is catalyzed by HRP to produce the blue color. The color changes into yellow after the acidic stop solution is added. The density of the yellow color is proportional to the target amount from the sample captured in the microwells.
Reference
1. Bowcock, A. M.; Kidd, J. R.; Lathrop, G. M.; Daneshvar, L.; May, L. T.; Ray, A.; Sehgal, P. B.; Kidd, K. K.; Cavalli-Sforza, L. L. The human 'interferon-beta-2/hepatocyte stimulating factor/interleukin-6' gene: DNA polymorphism studies and localization to chromosome 7p21. Genomics 3: 8-16, 1988.
2. Ota, N.; Nakajima, T.; Nakazawa, I.; Suzuki, T.; Hosoi, T.; Orimo, H.; Inoue, S.; Shirai, Y.; Emi, M. A nucleotide variant in the promoter region of the interleukin-6 gene associated with decreased bone mineral density. J. Hum. Genet. 46: 267-272, 2001.
3. Chung, H. W.; Seo, J.-S.; Hur, S. E.; Kim, H. L.; Kim, J. Y.; Jung, J. H.; Kim, L. H.; Park, B. L.; Shin, H. D. Association of interleukin-6 promoter variant with bone mineral density in pre-menopausal women. J. Hum. Genet. 48: 243-248, 2003.
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