Stem cells are non-specialized cells found in different organs, which have the capacity to generate specialized cells in the body. In the adult brain, neural stem cells give rise to neurons throughout life. The stem cells reside in unique micro-environments, so-called niches which provide key signals that regulate stem cell self-renewal and differentiation.  Stem cells in the adult brain contact the ventricles, cavities filled with … Continue reading Study shows cerebrospinal fluid signals control the behaviour of stem cells in the brain.