Candidate Cell Substrates, Vaccine Production, and Transmissible Spongiform Encephalopathies
Pedro Piccardo , Larisa Cervenakova, Irina Vasilyeva, Oksana Yakovleva, Igor Bacik, Juraj Cervenak, Carroll McKenzie, Lubica Kurillova, Luisa Gregori, Kitty Pomeroy, and David M. Asher
Author affiliations: University of Edinburgh, Easter Bush, UK, (P. Piccardo); Food and Drug Administration, Kensington, Maryland, USA (P. Piccardo, I. Bacik, J. Cervenak, L. Kurillova, L. Gregori, K. Pomeroy, D.M. Asher); Holland Laboratory American Red Cross, Rockville, Maryland, USA (L. Cervenakova, I. Vasilyeva, O. Yakovleva, C. McKenzie)
Figure 4. Western blot of brain extract from C57/Bl mouse inoculated with 22L mouse-adapted scrapie agent (lanes 1, 2); NIH-3T3 cells exposed to normal mouse brain and passaged 30 times (lane 3); NIH-3T3 (lane 4) and L929 (lane 5) cells exposed to 22L scrapie agent and passaged 30 times. Nonproteinase K [PK]–treated samples (lane 1), PK-treated samples (lanes 2–5). Western blots were probed with prion protein monoclonal antibody 6H4.
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