PREB Products

Description

Prolactin (PRL) expression in the pituitary is limited to specific cells. Pit-1 is a pituitary specific transcription factor that plays an important role in PRL expression, both in mature organism and during development. The PRL promoter contains numerous Pit-1 binding sites and these sites have been implicated in both basal level and kinase-mediated gene expression. The most proximal of these binding sites, termed 1P, has been shown to direct a response to numerous signals, such as cAMP and various G-proteins. A novel protein, termed PREB (prolactin regulatory element binding protein), has been recently identified that regulates PRL gene expression through the 1P site, though it contains no discernable DNA-binding motif. Recent studies suggest that PREB is encoded by a single-copy gene in both mice and humans and exhibits nuclear accumulation in pituitary cells. Evidence suggests that PREB is a novel transcription factor that assists in PRL expression whether alone, or in concert with Pit-1.

Bioinformatics

Entrez	10113 Human 50907 Mouse
Uniprot	AAH16472 Human NM_013388 Human NP_037520 Human
Product By Gene ID	10113
Alternate Names	MGC3467 prolactin regulatory binding-element protein prolactin regulatory element binding prolactin regulatory element-binding protein SEC12Mammalian guanine nucleotide exchange factor mSec12

Research Areas for PREB

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Transcription Factors and Regulators