Fig. 2From: Oncolytic Newcastle disease virus delivered by Mesenchymal stem cells-engineered system enhances the therapeutic effects altering tumor microenvironmentIn vitro and in vivo immunofluorescence visualization of BM-MSCs. a-b Fluorescence microscopy of BM-MSCs transduced with lentivirus particles in vitro (40× magnification) c Fluorescence microscopy of BM-MSCs transduced with lentivirus particles in tumor tissue (40× magnification), d Fluorescence microscopy of non- transduced MSCBack to article page