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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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Stress is critical for LPS-induced activation of microglia and damage in the rat hippocampus

TL;DR: The hippocampus is insensitive to strong inflammatory stimulus under normal conditions and one of the most severely affected areas in Alzheimer's disease as mentioned in this paper, and the effect of chronic stress for 9 days in the hippocampus unilaterally injected with LPS was analyzed.
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A Signaling Cascade of Nuclear Calcium-CREB-ATF3 Activated by Synaptic NMDA Receptors Defines a Gene Repression Module That Protects against Extrasynaptic NMDA Receptor-Induced Neuronal Cell Death and Ischemic Brain Damage

TL;DR: Results link nuclear calcium-CREB signaling to an ATF3-mediated neuroprotective gene repression program, indicating that activity-dependent shutoff of genes is an important process for survival.
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Molecular and genetic substrates linking stress and addiction.

TL;DR: Specific molecules that play key roles in both stress and addiction are posed to mediate the interaction between the two and could provide us with new targets for pharmacological treatments for addiction.
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Multisite phosphorylation of the cAMP response element-binding protein (CREB) by a diversity of protein kinases.

TL;DR: The prevailing view of stimulus-induced activation of the transcription factor cAMP response element-binding protein (CREB) presumes phosphorylation at serine-133 to trigger CREB-driven transcription, but this review discusses the possible implications for the function of CREB.
Journal ArticleDOI

PKA phosphorylates histone deacetylase 5 and prevents its nuclear export, leading to the inhibition of gene transcription and cardiomyocyte hypertrophy

TL;DR: A cAMP/PKA-dependent pathway that controls HDAC5 nucleocytoplasmic shuttling and represses gene transcription is revealed and may represent a mechanism by which cAMP-activated protein kinase A signaling modulates a wide range of biological functions and human diseases such as cardiomyopathy.
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.
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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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