ArticlePoultry science2020
Development and characterization of monoclonal antibodies specific for chicken interleukin-13 and their neutralizing effects in chicken primary monocytes.
Article in Poultry science, 2020. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 2 papers.
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Who cites it
2 citing papers in PubMed, 8 citations in OpenAlex.
- Development of a new immunodiagnostic tool for poultry coccidiosis using an antigen-capture sandwich assay based on monoclonal antibodies detecting an immunodominant antigen of Eimeria.Poultry science · 2023Article
- The Veterinary Immunological Toolbox: Past, Present, and Future.Frontiers in immunology · 2020Review
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Authors and funding
3 authors at 1 institution in 1 country.
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No grant is acknowledged in the PubMed record.
Abstract
Compared with mammals, the functionality of chicken cytokines is not well understood because of the unavailability of immune reagents. Mammalian interleukin (IL)-13 is an important Th2 type cytokine with well-known biological functions through its 2 receptors, IL-13 receptor (IL-13R)-α1 and IL-13Rα2. In the present study, we developed mouse monoclonal antibodies (mAb) against chIL-13 and further investigated their specificity in detecting endogenously produced chIL-13. Upon characterization of mAb using indirect ELISA and Western blot, the capture ELISA was developed for detecting chIL-13. Neutralizing effects were tested by measuring nitric oxide (NO) production and inducible nitric oxide synthase (iNOS) expression in primary chicken monocytes stimulated with chIL-13, lipopolysaccharide (LPS), chIL-13+LPS, or chIL-13+LPS+mAb. In addition, gene expression of chIL-13Rα1, chIL-13Rα2, and TGF-β1 was tested in chicken monocytes treated with chIL-13 or chIL-13+mAb. Based on indirect ELISA, 5 mAb that detected recombinant chIL-13 were identified, and all of them specifically detected recombinant chIL-13 protein by Western blotting. An optimal signal was obtained with 2 mAb (#9B11 and #10A2) in a pairing assay, and these 2 mAb were used in a capture assay. A neutralization assay further revealed that chIL-13 reduced LPS-stimulated NO production and iNOS expression in monocytes and macrophage cells, and the 2 mAb (#9B11 and #10A2) abrogated these effects. In addition, chIL-13-induced expressions of chIL-13Rα2 and TGF-β1 were neutralized by the 2 mAb. In summary, the present study showed that chIL-13 may be involved in the alternative activation of primary monocytes in chickens and that chIL-13 signaling may be regulated through chIL-13Rα2 binding and TGF-β1 secretion. Importantly, the newly developed anti-chIL-13 mAb will serve as valuable immune reagents for future studies on the biological activity of chIL-13 and its receptors.
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