Journal
VOX SANGUINIS
Volume 100, Issue 3, Pages 285-297Publisher
WILEY
DOI: 10.1111/j.1423-0410.2010.01415.x
Keywords
biochemical and preclinical and characterization; bioscavenger; human butyrylcholinesterase
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Funding
- United States Department of the Army [W9113M-05-C0131]
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Background and Objectives A human plasma-derived butyrylcholinesterase preparation manufactured on the industrial scale is described. Material and Methods The human butyrylcholinesterase (hBChE) product was extensively investigated for its purity using immunological and electrophoretic methods and characterized by thorough glycoproteomic approaches. A comprehensive preclinical testing programme addressing safety and pharmacokinetic parameters supplemented the biochemical characterization. Results The high-purity hBChE preparation is tetrameric and has high specific activity and molecular integrity of the protein backbone. Acute toxicity studies and in vivo thrombogenicity studies provided evidence of a sufficient safety margin for use in humans. Conclusion Extensive preclinical safety and pharmacokinetic testing confirmed that this hBChE preparation can be used for further efficacy testing as a bioscavenger for toxic organophosphate compounds in appropriate animal models and ultimately in humans.
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