Table 1.

Stem Cell Markers Identified in Human Tumors and/or Tumor Cell Lines

Marker(s)	Tumor Type	Ref.
CD44high/CD24low	Breast, Prostate	7,62
Aldehyde dehydrogenase 1 (ALDH1) activity	Breast, Lung, Colon	44–46
CD133	Lung, Prostate, Colon, Pancreas	41–43,63
Nanog, Oct4, Sox2	Prostate, Breast, Colon, Pancreas, Lung	48–50