Programming cells to target brain tumours (IMAGE) Université de Genève Caption Immunofluorescence staining of a representative human glioblastoma tissue section. In red, the PTPRZ1 markers, and in blue, the cell nuclei. (scale bar: 400 μm). Credit © Denis Migliorini - UNIGE/HUG Usage Restrictions none License Original content Disclaimer: AAAS and EurekAlert! are not responsible for the accuracy of news releases posted to EurekAlert! by contributing institutions or for the use of any information through the EurekAlert system.