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  • Title: Effect of a recombinant endotoxin-neutralizing protein on endotoxin shock in rabbits.
    Author: Garcia C, Saladino R, Thompson C, Hammer B, Parsonnet J, Wainwright N, Novitsky T, Fleisher GR, Siber G.
    Journal: Crit Care Med; 1994 Aug; 22(8):1211-8. PubMed ID: 8045139.
    Abstract:
    OBJECTIVES: Limulus anti-lipopolysaccharide factor, an 11.8-kilodalton peptide isolated from amebocytes of Limulus polyphemus inhibits the biologic activities of endotoxin in vitro, including gelation of Limulus amebocyte lysate. A recombinant version of Limulus anti-lipopolysaccharide factor, termed endotoxin neutralizing protein, has now been expressed in yeast. Endotoxin-neutralizing protein was evaluated for its potential prophylactic and therapeutic effects in rabbits challenged with Escherichia coli endotoxin. DESIGN: Controlled animal trial. SETTING: Animal research laboratory. SUBJECTS: A total of 112 New Zealand white rabbits were studied. INTERVENTIONS: Rabbits were challenged with an LD80 dose of E. coli endotoxin (100 micrograms/kg); control animals (n = 52) were treated with saline solution at the time of endotoxin challenge; experimental animals received endotoxin-neutralizing protein 2.5 mg/kg prechallenge (n = 20), 5.0 mg/kg prechallenge (n = 20), or 5.0 mg/kg 30 mins postchallenge (n = 20).
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