Soluble Receptor of Advanced Glycation End-Products (sRAGE) Human ELISA

Regulatery Status: RUO
Type: Sandwich ELISA, Biotin-labelled antibody
Other Names Status: Advanced glycation end product-specific receptor
Species: Human
Catalog No Size
Product Catalog No: RD191116200R Pack Size: 96 wells (1 kit)

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Product Features

The receptor for advanced glycation end products (RAGE) is a multiligand member of the immunoglobulin superfamily of cell surface molecules. It mediates interactions of advanced glycation end products (AGE), the products of nonenzymatic glycoxidation of proteins/lipids that accumulate in the plasma and tissues of patients with diabetes.

 

Technical Sheet / Info

Intended use

The RD191116200R Human sRAGE ELISA is a sandwich enzyme immunoassay for the quantitative measurement of human sRAGE (soluble receptor for advanced glycation end products).

  • It is intended for research use only
  • The total assay time is less than 4.5 hours
  • The kit measures sRAGE in serum and plasma (EDTA, citrate, heparin)
  • Assay format is 96 wells
  • Standard is recombinant protein based
  • Quality Controls are human serum based
  • Components of the kit are provided ready to use, concentrated or lyophilized

Clinical Application

  • Renal disease
  • Metabolic syndrome
  • Glucose and lipid homeostase

Test principle

In the Biovendor Human sRAGE ELISA, standards, quality controls and samples are incubated in microplate wells pre-coated with polyclonal anti-human sRAGE antibody. After 120 minutes incubation and washing, biotin labelled polyclonal anti-human sRAGE antibody is added and incubated with captured sRAGE for 60 minutes. After another washing, streptavidin-HRP conjugate is added. After 30 minutes incubation and the last washing step, the remaining conjugate is allowed to react with the substrate solution (TMB). The reaction is stopped by addition of acidic solution and absorbance of the resulting yellow product is measured. The absorbance is proportional to the concentration of sRAGE. A  standard curve is constructed by plotting absorbance values versus sRAGE concentrations of standards, and concentrations of unknown samples are determined using this standard curve.

Summary of protocol

  • Reconstitute QCs and Master Standard and prepare set of standards
  • Dilute samples 3×
  • Add 100 μl Standards, QCs and samples
  • Incubate at RT for 2 hours/300 rpm
  • Wash plate 5 times
  • Add 100 μl Biotin Labelled Antibody
  • Incubate at RT for 1 hour/300 rpm
  • Wash plate 5 times
  • Add 100 μl Streptavidin-HRP Conjugate
  • Incubate at RT for 30 min/300 rpm
  • Wash plate 5 times
  • Add 100 μl Substrate Solution
  • Incubate at RT for 10 min
  • Add 100 μl Stop Solution
  • Read absorbance and calculate results

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References

– Asgeirsson T, Zhang S, Khoo SK, Resau JH, Dujovny N, Senagore AJ. Serum adiponectin, resistin, and circulating soluble receptor for advanced glycation end products in colectomy patients. Mediators Inflamm. 2011;2011:916807

– Davis KE, Prasad C, Vijayagopal P, Juma S, Imrhan V. Serum Soluble Receptor for Advanced Glycation End Products (sRAGE) Correlates Inversely with Measures of Adiposity in Young Adults. 24 April 2014;

– Kwon JH, Kim YH, Kwon JY, Park YW. Clinical significance of serum sRAGE and esRAGE in women with normal pregnancy and preeclampsia. J Perinat Med. 2011 Sep;39 (5):507-13

– Ng ZX, Kuppusamy UR, Iqbal T, Chua KH. Receptor for advanced glycation end-product (RAGE) gene polymorphism 2245G/A is associated with pro-inflammatory, oxidative-glycation markers and sRAGE in diabetic retinopathy. Gene. 2013 Jun 1;521 (2):227-33

– Rzepka R, Dolegowska B, Rajewska A, Kwiatkowski S, Salata D, Budkowska M, Domanski L, Mikolajek-Bedner W, Torbe A. Soluble and Endogenous Secretory Receptors for Advanced Glycation End Products in Threatened Preterm Labor and Preterm Premature Rupture of Fetal Membranes. Biomed Res Int. 2015;2015:568042

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