title: Where the Epo cells are.
abstract: In this issue of Blood, Obara and colleagues report on their use of a GFP transgene to mark kidney Epo-producing cells in mice. These cells in the interstitial space express neuronal markers, and their number correlates with plasma Epo levels and increases with hypoxic induction.
authors.affiliation: National Institutes of Health, USA.
authors.forename: Constance Tom
authors.initials: CT
authors.lastname: Noguchi