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Hirschmann-Jax et al. 10.1073/pnas.0400067101. |
Fig. 9. The neuroblastoma cell lines IMR-32, SK-N-SH, and JF were analyzed for SP cells by Hoechst 33342 staining after propidium iodide exclusion. A distinct SP population was present in all three cell lines, allowing for cell sorting and gating for drug efflux studies.