HNF1β and defective nephrogenesis: a role for interacting partners?

The genetic program controlled by transcription factors can be modulated by multiple mechanisms. Binding of coactivators or corepressors, for example, can modulate the transcription of target genes. Dudziak and colleagues identified novel HNF1β-interacting proteins that, when overexpressed, affect nephrogenesis. These results could improve our understanding of the way HNF1β controls kidney development.