Second messenger system: Difference between revisions
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imported>Robert Badgett (New page: {{subpages}} In biochemistry and signal transduction, a '''second messenger system''' are "Systems in which an intracellular signal is generated in response to an intercellular pri...) |
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In [[biochemistry]] and [[signal transduction]], a '''second messenger system''' are "Systems in which an intracellular signal is generated in response to an intercellular primary messenger such as a [[hormone]] or [[neurotransmitter]]. They are intermediate signals in cellular processes such as metabolism, secretion, contraction, phototransduction, and cell growth. Examples of second messenger systems are the adenyl cyclase-[[cyclic AMP]] system, the phosphatidylinositol diphosphate-inositol triphosphate system, and the [[cyclic GMP]] system"<ref>{{MeSH}}</ref> | In [[biochemistry]] and [[signal transduction]], a '''second messenger system''' are "Systems in which an intracellular signal is generated in response to an intercellular primary messenger such as a [[hormone]] or [[neurotransmitter]]. They are intermediate signals in cellular processes such as metabolism, secretion, contraction, phototransduction, and cell growth. Examples of second messenger systems are the adenyl cyclase-[[cyclic AMP]] system, the phosphatidylinositol diphosphate-inositol triphosphate system, and the [[cyclic GMP]] system"<ref>{{MeSH}}</ref> | ||
In [[signal transduction]], [[cell surface receptor]]s may activate [[second messenger system]]s such as adenyl cyclase-[[cyclic AMP]] and [[cyclic GMP]] which then may activate [[protein kinase]]s which then affect downstream targets. | |||
==References== | ==References== | ||
<references/> | <references/> | ||
Revision as of 09:35, 9 July 2009
In biochemistry and signal transduction, a second messenger system are "Systems in which an intracellular signal is generated in response to an intercellular primary messenger such as a hormone or neurotransmitter. They are intermediate signals in cellular processes such as metabolism, secretion, contraction, phototransduction, and cell growth. Examples of second messenger systems are the adenyl cyclase-cyclic AMP system, the phosphatidylinositol diphosphate-inositol triphosphate system, and the cyclic GMP system"[1]
In signal transduction, cell surface receptors may activate second messenger systems such as adenyl cyclase-cyclic AMP and cyclic GMP which then may activate protein kinases which then affect downstream targets.
References
- ↑ Anonymous (2024), Second messenger system (English). Medical Subject Headings. U.S. National Library of Medicine.