European Research Center for Medical Imaging, Campus de la Timone 2 articles published in JoVE Medicine An Orthotopic Glioblastoma Mouse Model Maintaining Brain Parenchymal Physical Constraints and Suitable for Intravital Two-photon Microscopy Clément Ricard1,2, Fabio Stanchi1,3, Geneviève Rougon1,2, Franck Debarbieux1,2 1Developmental Biology Institute of Marseille, Aix Marseille University, 2European Research Center for Medical Imaging, Campus de la Timone, 3Vesalius Research Center, KU Leuven Campus Gasthuisberg We have established a cortical orthotopic glioblastoma model in mice for intravital two-photon microscopy that recapitulates the biophysical constraints normally at play during the growth of the tumor. A chronic glass window replacing the skull above the tumor enables the follow-up of the tumor progression over time by two-photon microscopy. Medicine Implanting Glass Spinal Cord Windows in Adult Mice with Experimental Autoimmune Encephalomyelitis Keith K. Fenrich1, Pascal Weber1, Genevieve Rougon1,2, Franck Debarbieux1,2 1Developmental Biology Institute of Marseille-Luminy (IBDML), Aix Marseille University, 2Campus de la Timone, European Research Center for Medical Imaging (CERIMED) We describe a method for implanting and maintaining glass windows over the exposed spinal cords of adult mice for studying experimental autoimmune encephalomyelitis. These windows provide chronic optical access to the spinal cord for monitoring cell dynamics at the subcellular level in live animals using two-photon microscopy.