296214.fig.002a
(a)
296214.fig.002b
(b)
Figure 2: Antigenic digestion of cow nose using enzymes. (a), trypsin digestion abrogated the antiepithelial antibody (AEA) titers. (b), nuclease (RNAse/DNAse) digestion abrogated the antinuclear antibody (ANA) titer, as demonstrated by indirect immunofluorescence.