Therapies targeting cancer stem cells: Current trends and future challenges

Table 1 Cell surface antigens present on cancer stem cells

Cancer type	Surfaceantigens	Ref.
Leukemia	CD34+CD38-CD47+CCL-1+CD96+ TIM3+CD32+CD25+	[11,20-24]
Brain	CD133+	[12]
Head and neck	CD44+CD24+	[14]
Breast	ESA+CD44+CD24-	[13,16]
Pancreatic	ESA+CD44+CD24+	[13,40]
Lung	CD133+CD44+	[15]
Liver	ESA+CD133+CD90+CD44+CD24+	[17]
Gastric	CD44+	[18,38]
Colorectal	ESA+CD133+CD166+CD44+CD24+	[19,26]