Fig. 1From: Downregulation of circ-Foxo3 in breast cancer stem-like cellsPrimary Tumor Cells Isolation. (A) Metastatic animal model of triple negative breast cancer was generated after 20 days of tumor induction in Balb/c mice. (B) Primary tumor isolation, H&E staining and primary tumor cell extraction was performed on primary tumor tissues. Magnification 40x. Scale bar 1 μmBack to article page