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Open AccessJournal ArticleDOI

Organization and Ca2+ Regulation of Adenylyl Cyclases in cAMP Microdomains

Debbie Willoughby, +1 more
- 01 Jul 2007 - 
- Vol. 87, Iss: 3, pp 965-1010
TLDR
The regulation of many of the ACs by the ubiquitous second messenger Ca(2+) provides an overarching mechanism for integrating the activities of these two major signaling systems, and cAMP will exhibit distinct kinetics in discrete cellular domains.
Abstract
The adenylyl cyclases are variously regulated by G protein subunits, a number of serine/threonine and tyrosine protein kinases, and Ca2+. In some physiological situations, this regulation can be re...

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Citations
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CATALYTIC RECEPTORS: Catalytic receptors

TL;DR: The Fifth Edition of the ‘Guide to Receptors and Channels’ is a compilation of the major pharmacological targets divided into seven sections, presented with nomenclature guidance and summary information on the best available pharmacological tools, alongside suggestions for further reading.
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Glutamate Differently Modulates Metabotropic Glutamate Receptors in Neuronal and Glial Cells

TL;DR: Results show a cell dependent mGluR regulation by glutamate exposure which could mediate the vulnerability or not to glutamate mediated excitotoxicity.

Review article: TARGETING PROTEIN KINASE A IN CANCER THERAPY: AN UPDATE

TL;DR: Some features of cAMP/PKA signaling that are relevant to cancer biology are highlighted and an update on targeting PKA in cancer therapy is presented.

Caveolae as Organizers of Pharmacologically Relevant

TL;DR: The role of Caveolae/caveolin in cardiac and pulmonary pathophysiology, pharmacologic implications of caveolar localization of signaling molecules, and the possibility that caveolae might serve as a therapeutic target are reviewed.
Journal ArticleDOI

Aspects of cAMP Signaling in Epileptogenesis and Seizures and Its Potential as Drug Target

TL;DR: This review explores selected aspects of cAMP signaling in the context of epileptogenesis and seizures including cAMP response element binding (CREB)-mediated transcriptional regulation and argues that targeting upstream cAMP signals might be more fruitful than targeting CREB itself.
References
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Journal ArticleDOI

Lipid rafts and signal transduction

TL;DR: It is now becoming clear that lipid micro-environments on the cell surface — known as lipid rafts — also take part in this process of signalling transduction, where protein–protein interactions result in the activation of signalling cascades.
Journal ArticleDOI

Store-operated calcium channels.

TL;DR: The key electrophysiological features of I(CRAC) and other store-operated Ca(2+) currents and how they are regulated are described, and recent advances that have shed insight into the molecular mechanisms involved in this ubiquitous and vital Ca( 2+) entry pathway are considered.
Journal ArticleDOI

Cyclic nucleotide phosphodiesterases: functional implications of multiple isoforms

TL;DR: This article reviews many of the more important aspects about the structure, cellular localization, and regulation of each family of phosphodiesterases and places particular emphasis on new information obtained in the last few years about how differential expression andregulation of individual phosphodiesters relate to their function(s) in the body.
Journal ArticleDOI

The role of hormone receptors and GTP-regulatory proteins in membrane transduction

TL;DR: Cell membrane receptors for hormones and neurotransmitters form oligomeric complexes with GTP-regulatory proteins and inhibit the latter from reacting with G TP, and this theory may apply generally to membrane signal transduction involving surface receptors.
Journal ArticleDOI

Lipid Rafts: Elusive or Illusive?

TL;DR: There has been considerable recent interest in the possibility that the plasma membrane contains lipid "rafts," microdomains enriched in cholesterol and sphingolipids, and it seems that a definitive proof of raft existence has yet to be obtained.
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