The Trasylol manufacturing process was investigated with respect to its capacity for the inactivation/removal of infectivity causing bovine spongiform encephalopathy (BSE). Four process steps were selected for this investigation and scaled down to laboratory scale. Authentic samples of bovine lungs used in the Trasylol manufacturing plant were taken and spiked in laboratory scale experiments with high infectious titres of the rodent adapted scrapie strain ME 7 which served as model for BSE. After performing the respective process steps the output samples collected were tested in C57BL mice carrying the Sinc gene. An overall reduction of the infectious agent in the order of 18 log10 was observed, indicating a very high capacity of the Trasylol process for the inactivation/removal of the BSE/scrapie agent. The discussed safety strategy for the product leads to the conclusion that Trasylol is BSE safe.
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| http://dx.doi.org/10.1006/biol.1996.0013 | DOI Listing |
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