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. 2014 Apr 11;9(4):e94487. doi: 10.1371/journal.pone.0094487

Figure 5. ALDH1 enzymatic activity and CD44s expression in thyroid cancer cell lines.

Figure 5

(A) Four thyroid cancer cell lines were tested for expression of CD44s and ALDH1 enzymatic activity by flow cytometry. The number indicated the percentage of the cells in each subset. (B) Immunofluorescence finding of CD44s and ALDH1 in indicated cell lines. Fluorescence of PE-conjugated CD44s (red) and PE-conjugated ALDH1-Bodipy (green) were examined under a fluorescence microscope. Nuclei were stained blue with Hoechst 33342. Scale bar = 50 µm.