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  • Title: Monoclonal antibodies against chicken interleukin-6.
    Author: Scott TR, Lillehoj HS.
    Journal: Vet Immunol Immunopathol; 2006 Nov 15; 114(1-2):173-7. PubMed ID: 16930722.
    Abstract:
    Monoclonal antibodies (mAb) were produced against a recombinant (r) chicken interleukin-6 (IL-6). Eight mAbs produced were tested for isotype; ability to inhibit recombinant forms of chicken (ch), human (h) and murine (m) IL-6; and recognition of rchIL-6 by Western immunoblotting. The mAb isotypes were represented by IgG1 (one), IgG2a (six) and IgG2b (one). In a mouse B9 hybridoma cell bioassay with rmIL-6, four mAbs effectively inhibited activity of rmIL-6. Further bioassays with the four mAbs at varying concentrations showed that two of these mAbs (1.20.7 and 1.26.4) were quite effective at inhibiting rmIL-6. Recombinant forms of ch, h and mIL-6 were all tested in a bioassay with the most potent inhibiting mAb (1.26.4), and this mAb was effective in inhibiting all three recombinant IL-6 proteins. Western immunoblotting revealed identification of the original IL-6 immunogen used for mAb production. Based upon inhibition of IL-6 activity in a standard bioassay and IL-6 recognition by Western immunoblotting, mAb 1.26.4 was judged the most useful antibody for future studies and applications.
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