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Journal ArticleDOI

Transcriptional regulation by the phosphorylation-dependent factor CREB

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TLDR
The transcription factor CREB functions in glucose homeostasis, growth-factor-dependent cell survival, and has been implicated in learning and memory, and how is specificity achieved in these signalling pathways?
Abstract
The transcription factor CREB -- for 'cyclic AMP response element-binding protein' -- functions in glucose homeostasis, growth-factor-dependent cell survival, and has been implicated in learning and memory. CREB is phosphorylated in response to various signals, but how is specificity achieved in these signalling pathways?

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Citations
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An emerging role for the anti-inflammatory cytokine interleukin-10 in dengue virus infection

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Neural differentiation of mesenchymal-like stem cells from cord blood is mediated by PKA.

TL;DR: It is shown that mesenchymal-like cells from umbilical cord blood are capable of neural differentiation and this capability is mediated by the Protein kinase A (PKA) signal transduction pathway.
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Brain response to calorie restriction

TL;DR: The present review addresses emerging molecular themes in brain response to dietary restriction, and the implications for the understanding and the prevention of brain disorders associated with ageing and metabolic disease.
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Molecular and functional properties of densely and sparsely granulated GH-producing pituitary adenomas

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Journal ArticleDOI

Protein Kinase D Induces Transcription through Direct Phosphorylation of the cAMP-response Element-binding Protein *

TL;DR: A novel mechanism for PKD-induced signaling through activation of the transcription factor CREB is described and it is suggested that stimulus-induced phosphorylation of CREB, reported to be mediated by protein kinase C, may involve downstream activated PKD.
References
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Journal ArticleDOI

Cyclic AMP stimulates somatostatin gene transcription by phosphorylation of CREB at serine 133

TL;DR: Results suggest that phosphorylation of CREB may stimulate transcription by a mechanism other than by simply providing negative charge, as CREB mutants containing acidic residues in place of the Ser-133 phosphoacceptor were also transcriptionally inactive.
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Phosphorylated CREB binds specifically to the nuclear protein CBP

TL;DR: It is proposed that CBP may participate in cAMP-regulated gene expression by interacting with the activated phosphorylated form of CREB, which is activated as a result of phosphorylation by protein kinase A7.
Journal ArticleDOI

Cell survival promoted by the Ras-MAPK signaling pathway by transcription-dependent and -independent mechanisms.

TL;DR: The findings suggest that the MAPK signaling pathway promotes cell survival by a dual mechanism comprising the posttranslational modification and inactivation of a component of the cell death machinery and the increased transcription of pro-survival genes.
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Deficient long-term memory in mice with a targeted mutation of the cAMP-responsive element-binding protein

TL;DR: Consistent with models claiming a role for long-term potentiation (LTP) in memory, LTP in hippocampal slices from CREB mutants decayed to baseline 90 min after tetanic stimulation, however, paired-pulse facilitation and posttetanic potentiation are normal.
Journal ArticleDOI

Nuclear protein CBP is a coactivator for the transcription factor CREB

TL;DR: Fluorescence anisotropy measurements are used to define the equi-librium binding parameters of the phosphoCREB:CBP interaction and report here that CBP can activate transcription through a region in its carboxy terminus.
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