Words similar to corepressors
Example sentences for: corepressors
How can you use “corepressors” in a sentence? Here are some example sentences to help you improve your vocabulary:
Hopefully some of the new motifs discovered by Gibbs sampling are real; perhaps they are binding sites for corepressors.
Upon binding of the hormone, these corepressors dissociate from the DNA-bound receptor, which subsequently recruits a nuclear receptor coactivator (NCoA) complex.
Since ERβ bound N-CoR and SMRT in the presence of estrogens, we investigated the possible involvement of corepressors in the actions of agonist-bound ERβ in vivo . To perform this experiment, we examined the effect of the HDAC inhibitor trichostatin A (TSA) on ERβ activity in transiently transfected HeLa cells.
While the ER isoforms have contrasting effects on AP-1 activity in the presence of estrogens, ERα truncations that lack the NTD and ERβ both enhance AP-1 activity in the presence of SERMs [ 30 31 ] . Mutational analysis of ERα action at AP-1 sites suggests these effects may be related to N-CoR binding [ 39 ] , and we have proposed that SERM action at AP-1 sites may therefore involve contacts with corepressors [ 31 51 ] . The fact that ERα and ERβ show completely different ligand preferences of interaction with N-CoR suggests that the target for SERM activation at AP-1 sites may not be N-CoR in both cases.
Other NR coactivators include TRAP220 [ 7 ] , which is part of a larger complex (TRAP/DRIP/SMCC/mediator) that contacts the basal transcription machinery and PGC-1 [ 8 ] , a cold inducible coactivator that binds CBP and SRC-1 and proteins involved in RNA processing [ 9 ] . NR corepressors include NR corepressor (N-CoR) and silencing mediator of retinoid and thyroid responsive transcription (SMRT) [ 4 ] . Both N-CoR and SMRT repress transcription, at least in part, by binding to histone de-acetylases (HDACs) either directly or indirectly through other corepressor complex components.
Loading...