VIB scientists discover neuron-producing stem cells in the membranes covering the brain: Possible implications for brain regeneration? by rss feed | Nov 24, 2016 | News Feeds, Stem Cell Research In a cross-domain study directed by professor Peter Carmeliet (VIB - KU Leuven), researchers discovered unexpected cells in the protective membranes that enclose the brain, the so called meninges.