Journal ArticleDOI
Transcriptional regulation by the phosphorylation-dependent factor CREB
Bernhard M. Mayr,Marc Montminy +1 more
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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?read more
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Role of cAMP and phosphodiesterase signaling in liver health and disease.
TL;DR: This review addresses the current understanding of the role of cAMP metabolism and consequent cAMP signaling pathway(s) in the context of liver health and disease and examines the behavior of the cAMP-dependent pathway in NAFLD, ALD and in other liver diseases.
Journal ArticleDOI
Interplay of PI3K and cAMP/PKA signaling, and rapamycin-hypersensitivity in TGFbeta1 enhancement of FSH-stimulated steroidogenesis in rat ovarian granulosa cells.
TL;DR: It is demonstrated for the first time that TGFbeta1 acts in a rapamycin-hypersensitive and mTORC1-independent manner in augmenting FSH-stimulated steroidogenesis in rat granulosa cells.
Journal ArticleDOI
Astrocyte-neuron interplay in maladaptive plasticity.
TL;DR: The function of glial cells in health and disease is reviewed, pointing the putative mechanisms of maladaptive plasticity, suggesting that glia cells may represent a fascinating therapeutic target to prevent irreversible neuronal cell death.
Journal ArticleDOI
Persistent ERK Phosphorylation Negatively Regulates cAMP Response Element-binding Protein (CREB) Activity via Recruitment of CREB-binding Protein to pp90RSK
TL;DR: Evidence is provided that CBP·RSK complex formation in response to persistent ERK phosphorylation by Cpd 5 down-regulates CREB activity, leading to inhibition of both cAMP response element-mediated gene expression and cell growth.
Journal ArticleDOI
Emerging Roles of CREB-Regulated Transcription Coactivators in Brain Physiology and Pathology
TL;DR: This review focuses on the regulatory mechanisms and functions of CRTCs in brain metabolism, lifespan, circadian rhythm, and synaptic mechanisms underlying memory and emotion and howCRTCs deregulation in cognitive and emotional disorders may provide the basis for potential clinical and therapeutic applications in neurodegenerative and psychiatric diseases.
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.
Journal ArticleDOI
Phosphorylated CREB binds specifically to the nuclear protein CBP
John C. Chrivia,Roland P. S. Kwok,Ned J.C. Lamb,Masatoshi Hagiwara,Marc Montminy,Richard H. Goodman +5 more
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.
Azad Bonni,Anne Brunet,Anne E. West,Sandeep Robert Datta,Mari A. Takasu,Michael E. Greenberg +5 more
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.
Journal ArticleDOI
Deficient long-term memory in mice with a targeted mutation of the cAMP-responsive element-binding protein
Roussoudan Bourtchuladze,Bruno G. Frenguelli,Julie A. Blendy,Diana Cioffi,Günther Schütz,Alcino J. Silva +5 more
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
Roland P. S. Kwok,James R. Lundblad,John C. Chrivia,Jane P. Richards,Hans Peter Bächinger,Hans Peter Bächinger,Richard G. Brennan,Stefan G. E. Roberts,Michael R. Green,Richard H. Goodman +9 more
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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