Side Population Cells as Prototype of Chemoresistant, Tumor-Initiating Cells

<table>“Side population” phenotype in an oral squamous cell carcinoma cell line, RCB1015. The cell line was stained with Hoechst33342 and analyzed by flow cytometry. (SP-side population; MP-main population; bf-bright field image; uv-ultraviolet fluorescence; blue color- nuclear staining with Hoechst33342 dye).</table>

BioMed Research International

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Figure 1

Figure 1: Side Population Cells as Prototype of Chemoresistant, Tumor-Initiating Cells 