reveals

Identifying the origin of cancerMany cancers are classified on the basis of the organ or tissue from which they originated. However, identifying the specific cells and conditions that precede tumorigenesis can help us understand and better…

Getting around the blood–brain barrierThe meninges comprise three membranes that surround and protect the central nervous system (CNS). Recent studies have noted the existence of myeloid cells resident there, but little is known about their…

Visualizing Xist RNA dynamicsThe noncoding RNA Xist, which controls the process of X chromosome inactivation in mammals, accumulates and spreads over the chromosome from which it is transcribed. The underlying basis for this unusual…

Gliogenesis in the adult mouse brainNeural stem cells in the adult mouse brain can generate both neurons and glia. Exactly where each stem cell is positioned can determine what type of neurons it generates. Delgado et al. show that neural…