Fig. 1From: Inflammation-induced Gro1 triggers senescence in neuronal progenitors: effects of estradiolConfocal image of human NPC in culture. a Proliferative conditions. Cells express both SOX2 and nestin, markers of stem/early progenitor cells. b Differentiating conditions. After 1Â week, NPC begin to lose stem cell marker Sox2 and to acquire neuroblast marker DCXBack to article page