Detection of cancer stem cell like circulating tumor cells in peripheral blood of 45 patients with gastric cancer

Objective To explore the expression and significance of CD44 gastric cancer stem cell biomarker positive circulating tumor cells(CTC)in peripheral blood of patients with gastric cancer.Methods From March 2010 to December 2012,45 patients with gastric cancer and 20healthy individuals were enrolled.Peripheral blood samples of all the subjects were collected.The expression