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Interactions between calcium and cAMP signaling.
1VA Boston Healthcare System and the Department of Surgery, Brigham and Women's Hospital and Harvard Medical School, 1400 VFW Parkway, West Roxbury MA 02132, USA. ahofer@rics.bwh.harvard.edu
Current Medicinal Chemistry
|September 12, 2012
Summary
Calcium ions (Ca2+) and cyclic AMP (cAMP) are crucial signaling molecules that intricately regulate cellular functions. This review updates on their reciprocal regulation, particularly within localized cellular domains.
Area of Science:
- Cellular Biology
- Molecular Signaling
- Biochemistry
Background:
- Calcium ions (Ca2+) are ubiquitous intracellular messengers regulating diverse cellular processes.
- Ca2+ signaling involves movement by transporters, pumps, and channels, detected by Ca2+-binding proteins.
- Ca2+ signaling is modulated by other pathways, including cyclic AMP (cAMP).
Purpose of the Study:
- To review recent findings on the reciprocal regulation between Ca2+ and cAMP signaling pathways.
- To highlight interactions occurring in specific cellular microdomains.
Main Methods:
- Literature review of recent research on Ca2+ and cAMP signaling.
- Focus on studies investigating cross-talk between these two second messenger systems.
- Emphasis on spatial aspects of signaling interactions.
Main Results:
- Ca2+ and cAMP signaling pathways exhibit complex, intertwined regulatory mechanisms.
- Reciprocal modulation occurs at multiple levels within cellular signaling networks.
- Localized cellular domains are critical sites for these signaling interactions.
Conclusions:
- The interplay between Ca2+ and cAMP is fundamental to eukaryotic and prokaryotic cell function.
- Understanding these interactions in specific cellular domains is key to deciphering cellular communication.
- Further research into localized signaling crosstalk promises new insights into cellular regulation.
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