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. 2014 Apr 7;111(16):6028–6033. doi: 10.1073/pnas.1322377111

Fig. 3.

Fig. 3.

Continuous drug treatment is required to sustain enhanced CWD PrPSc levels in Elk21+. Western blots of PrPSc in Elk21+ treated with 1 μg/mL quinacrine (+Q) for up to 10 passages (P1–P10) compared with untreated cultures (−Q) and treated cells withdrawn from drug and subsequently maintained for a further five passages (W).