Establishment and Characterization of a Human Small Cell Osteosarcoma Cancer Stem Cell Line: A New Possible In Vitro Model for Discovering Small Cell Osteosarcoma Biology

Figure 6

Sarcosphere assay on OSA3. After 24 h from the start of the assay, cells appear floating and isolated from each other (cells are indicated by the black/red arrows). Observation in phase contrast. Original magnification: 10x.