Each lot of this antibody is quality control tested by ELISA assay. As a detection antibody in ELISA assays, dilute 60 µl of this biotinylated antibody into 12 ml of detection buffer for one 96 well microtiter plate assay. To obtain a linear standard curve, serial dilutions of human IL-13 recombinant protein ranging from 2000 to 8 pg/ml are recommended for each ELISA plate. It is recommended that the reagent be titrated for optimal performance for each application.
ELISA Detection or ELISPOT Detection: The biotinylated Poly5020 antibody is useful as a detection antibody for a sandwich ELISA or ELISPOT assay, when used in conjunction with purified JES10-5A2 (Cat. No. 501902/501910) antibody as the capture antibody.
IL-13 is an immunoregulatory cytokine produced primarily by activated Th2 lymphocytes. IL-13 shares 30% amino acid sequence homology with IL-4 and demonstrates similar biological activities. The biological activities of IL-13 include: suppression of macrophage cytotoxic activity, upregulation of IL-1RA expression, and suppression of proinflammatory cytokine secretion. The poly5020 polyclonal antibody reacts with human interleukin-13 (IL-13).
Cytokine; 12.5 kD
Suppression of macrophage cytotoxic activity; upregulation of IL-1RA expression; suppression of IL-1, IL-6, IL-8, IL-10, IL-12, chemokines MCP, MIP-1; differentiation of B cells, monocytes
IL-13Rα2 possible antagonist
Activated T helper cells, CD8+ T cells, mast cells, NK cells
B cells, monocytes, macrophages, basophils
Moderate affinity IL-13Rα1; high affinity heterodimer IL-13Rα1/IL-4Rα also binds IL-4; both receptor complexes have γ-subunit in common with IL-2R, IL-4R, IL-7R, IL-15R ; high affinity IL-13Rα2 incapable of signaling
1. Fitzgerald, K., et al. Eds. 2001. The Cytokine FactsBook. Academic Press, San Diego. 2. Hilton, D., et al. 1996. P. Natl. Acad. Sci. USA 93:497. 3. Obiri, N., et al. 1995. J. Biol. Chem. 270:8797. 4. Ochensberger, B., et al. 1996. Blood 88:3028.
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