New Strategies for CNS Repair -- Heterogeneity of Multiple Sclerosis: Implications for Therapy Targeting Regeneration -- The Neuroprotective Effect of Inflammation: Implications for the Therapy of Multiple Sclerosis -- Fibroblast Growth Factors in Oligodendrocyte Physiology and Myelin Repair -- White Matter Progenitor Cells Reside in an Oligodendrogenic Niche -- At the Interface of the Immune S…