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Human Interleukin-32 / IL-32 ELISA Pair Set

DatasheetSpecific ReferencesReviewsRelated ProductsProtocols
Materials provided
Capture Ab:1.0 mg/mL of rabbit anti-IL32A monoclonal antibody (in PBS, pH 7.4). Dilute to a working concentration of 2 μg/mL in PBS before coating.
Detection Ab:0.2 mg/mL rabbit anti-IL32A monoclonal antibody conjugated to horseradish-peroxidase (HRP) (in PBS, 50 % HRP-Protector, pH 7.4). Dilute to working concentration of 0.5 μg/mL in detection antibody dilution buffer before use.
Standard:Each vial contains 33 ng of recombinant IL32A. Reconstitute with 1 mL detection antibody dilution buffer. After reconstitution, store at -20℃ to -80℃ in a manual defrost freezer. A seven-point standard curve using 2-fold serial dilutions in sample dilution buffer, and a high standard of 1.5 ng/mL is recommended.
The minimum detectable dose of Human Interleukin-32 / IL-32 was determined to be approximately 23.4375 pg/ml. This is defined as at least three times standard deviations above the mean optical density of 10 replicates of the zero standard.
Principle of the product
The Human Interleukin-32 / IL-32 ELISA Pair Set is for the quantitative determination of Human Interleukin-32 / IL-32.
This ELISA Pair Set contains the basic components required for the development of sandwich ELISAs.
The Sino Biological ELISA Pair Set is a solid phase sandwich ELISA (Enzyme-Linked Immunosorbent Assay). It utilizes a monoclonal antibody specific for Interleukin-32 / IL-32 coated on a 96-well plate. Standards and samples are added to the wells, and any Interleukin-32 / IL-32 present binds to the immobilized antibody. The wells are washed and a horseradish peroxidase conjugated rabbit anti-Interleukin-32 / IL-32 monoclonal antibody is then added, producing an antibody-antigen-antibody "sandwich". The wells are again washed and TMB substrate solution is loaded, which produces color in proportion to the amount of Interleukin-32 / IL-32 present in the sample. To end the enzyme reaction, the stop solution is added and absorbances of the microwell are read at 450 nm.
Capture Antibody: Aliquot and store at -20℃ to -80℃ for up to 6 months from date of receipt. Avoid repeated freeze-thaw cycles.
Detection Antibody: Store at 4℃ and protect it from prolonged exposure to light for up to 6 months from date of receipt. DO NOT FREEZE!
Standard: Store lyophilized Standard at -20℃ to -80℃ for up to 6 months from date of receipt. Aliquot and store the reconstituted Standard at -80℃ for up to 1 month. Avoid repeated freeze-thaw cycles.

IL-32 is a recently discovered cytokine that induces various proinflammatory cytokines (TNF-alpha, IL-1beta, IL-6) and chemokines in both human and mouse cells through the NF-kappaB and p38 MAPK inflammatory signal pathways. It is regulated robustly by other major proinflammatory cytokines, and is crucial to inflammation and immune responses. Four of the IL-32 isoforms (alpha, beta, gamma and delta) are the most representative IL-32 transcripts, and gamma isoform of IL-32 is the most active, although all isoforms are biologically active. IL-32, a cytokine produced mainly by T, natural killer, and epithelial cells induces significant amounts of TNFalpha and MIP-2 and increases the production of both cytokines in a dose-dependent manner. IL-32 has been implicated in inflammatory disorders, mycobacterium tuberculosis infections, inflammatory bowel disease, and influenza A virus infection, as well as in some autoimmune diseases, such as rheumatoid arthritis, ulcerative colitis and in human stomach cancer, human lung cancer and breast cancer tissues. Thus, IL-32 expression might be valuable as a biomarker for cancer.

  • Felaco P, et al. (2009) IL-32: a newly-discovered proinflammatory cytokine. J Biol Regul Homeost Agents. 23(3): 141-7.
  • Kobayashi H, et al. (2009) Molecular characterization of IL-32 in human endothelial cells. Cytokine. 46(3): 351-8.
  • Meyer N, et al. (2010) IL-32 is expressed by human primary keratinocytes and modulates keratinocyte apoptosis in atopic dermatitis. J Allergy Clin Immunol. 125(4): 858-865.
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    • Human Interleukin-32 / IL-32 ELISA Pair Set
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