Fig. 2From: Exosomes-mediated transfer of LINC00691 regulates the formation of CAFs and promotes the progression of gastric cancerIsolation and identification of primary NFs and CAFs. a The morphology of NFs and CAFs under the microscope. Magnification, × 200. Scale bar, 20 μm. b The expression levels of LINC00691 in NFs and CAFs were determined by using qRT-PCR (*P < 0.05). c Immunofluorescence staining of α-SMA and Vimentin in NFs and CAFs. Magnification, × 200. Scale bar, 20 µmBack to article page