title: IL-23 in colitis: targeting the progenitors.
abstract: Inflammatory bowel disease (IBD) is a chronic inflammatory disease of the gastrointestinal tract. In this issue of Immunity, Griseri et al. (2012) show that IL-23-induced dysregulation of hematopoietic stem and progenitor cells contributes to the pathogenesis of two IBD models.
authors.affiliation: Research Institute for Biomedical Sciences, Tokyo University of Science, Yamazaki 2669, Noda-shi, Chiba, Japan.
authors.forename: Ce
authors.initials: C
authors.lastname: Tang
authors.forename: Yoichiro
authors.initials: Y
authors.lastname: Iwakura