Nuclear Receptor Coactivators: Structural and Functional Biochemistry

Coactivators for the Orphan Nuclear Receptor RORa

A mutation in the nuclear orphan receptor RORa results in a severe impairment of cerebellar development by unknown mechanisms. We have shown previously that RORa contains a strong constitutive activation domain in its C terminus. We therefore searched for mammalian RORa coactivators using the minimal activation domain as bait in a two-hybrid screen. Several known and putative coactivators were ...

Minireview: nuclear receptor coactivators--an update.

Nuclear receptors (NRs) regulate the expression of target genes in response to activation by steroid hormones and other ligands, as well as a variety of other signaling pathways. NR coactivators are defined as cellular factors recruited by activated NRs that complement their function as mediators of the cellular response to endocrine signals. In this review, we will focus upon advances in our u...

The Expanding Cosmos of Nuclear Receptor Coactivators

About 200 coactivators play a central role in promoting gene expression mediated by nuclear receptors. This diverse group of proteins are key integrators of signals from steroid hormones and have been implicated in cancer and other diseases.

Estrogen Nuclear Receptor Coactivators in Pathogenesis of Breast Cancer

YOUNG INVESTIGATOR PERSPECTIVES Nuclear Receptor Coactivators in Neuroendocrine Function

Steroid hormones in ̄uence a variety of neuroendocrine events, including brain development, sexual differentiation and reproduction. Hormones elicit many of these effects by binding to neuronal steroid receptors, which are members of a nuclear receptor superfamily of transcriptional activators. However, the mechanisms by which activated steroid receptors regulate gene expression in brain are not...