Additional file 1 of CircGNB1 facilitates the malignant phenotype of GSCs by regulating miR-515-5p/miR-582-3p-XPR1 axis

Additional file 1. Fig. S1: Isolation and validation of patient derived glioma stem cells (GSCs). a Immunofluorescence staining of CD133 and nestin in patient-derived GSCs. Scale bar = 20 µm. b Multiple fields of neurospheres under a light microscope. Scale bar = 50 µm. c Immunofluorescence showed the expression of GFAP and β-III tubulin in GSCs. Scale bar = 20 µm. d Differentiation of GSCs under a light microscope. Scale bar = 20 µm.