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  • Title: The production of antibody against human leukocytic pyrogen.
    Author: Dinarello CA, Renfer L, Wolff SM.
    Journal: J Clin Invest; 1977 Aug; 60(2):465-72. PubMed ID: 559692.
    Abstract:
    Human peripheral blood leukocytes were stimulated with killed staphylococci in vitro to release leukocytic pyrogen (LP). Supernates from these stimulated leukocytes were concentrated, emulsified in Freund's complete adjuvant, and injected intradermally into rabbits. After seven monthly booster injections, rabbit antiserum destroyed the pyrogenic activity of human LP, and the titer of this neutralizing ability increased in the subsequent 7 mo. The pyrogen-neutralizing capacity of the rabbit antiserum was recovered in the globulin fraction, the IgG and IgM peaks of Sephadex G-200, and the acid-eluted fraction of a goat anti-rabbit IgG immunoadsorbant. The neutralizing antibody was specific for human LP inasmuch as it had no effect on rabbit, guinea pig, or monkey LP. When coupled to Sepharose, this antibody bound human LP; after acid elution from this immunoadsorbant, LP was recovered without loss of biologic or chemical characteristics. The antiserum was also absorbed with stimulated leukocyte supernates which did not contain LP, and this had no effect on the titer of anti-LP. Crude human LP, eluted from immunoadsorbant columns prepared from absorbed antiserum, contained significantly reduced contaminating protein when evaluated by polyacrylamide gel electrophoresis. These studies have established that specific antibody to human leukocytic pyrogen can be produced. This antibody is useful in the further study and purification of leukocytic pyrogen and its role in the pathogenesis of human fever.
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