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Second messengers are intracellular signaling molecules released by the cell in response to exposure to extracellular signaling molecules—the first messengers. (Intercellular signals, a non-local form of cell signaling, encompassing both first messengers and second messengers, are classified as autocrine, … 展开
There are three basic types of secondary messenger molecules:
• Hydrophobic molecules: water-insoluble molecules such as diacylglycerol, and phosphatidylinositols, which are membrane-associated … 展开IP3, DAG, and Ca are second messengers in the phosphoinositol pathway. The pathway begins with the binding of extracellular primary messengers such as epinephrine, acetylcholine, … 展开
There are several different secondary messenger systems (cAMP system, phosphoinositol system, and arachidonic acid system), … 展开
• Kimball J. "Second messengers". Retrieved February 10, 2006.
• Animation: Second Messenger: cAMP 展开CC-BY-SA 许可证中的维基百科文本 4.14: Secondary Messengers - Biology LibreTexts
2022年5月14日 · Second messengers are molecules that relay signals received at receptors on the cell surface — such as the arrival of protein hormones, growth factors, etc. — to target …
第二信使 - 百度百科
- 胞内携带放大信号功能
第二信使学说是E.W.萨瑟兰于1965年首先提出。他认为人体内各种含氮激素（蛋白质、多肽和氨基酸衍生物）都是通过细胞内的环磷酸腺苷(cAMP)而发挥作用的。首次把cAMP叫做第二信使，激素等为第一信使。第二信使是指在胞内产生的非蛋白类小分子，通过其浓度变化（增加或者减少…
- 胞内携带放大信号功能
第二信使系统 - 维基百科，自由的百科全书
Second Messengers - PMC
Second messengers are small molecules and ions that relay signals received by cell-surface receptors to effector proteins. They include a wide variety of chemical species and have diverse properties that allow them to signal within …
Second Messenger System - an overview | ScienceDirect Topics
The Second Messenger System is an intracellular mechanism mediated by calcium ions that brings about changes in genes and proteins involved in memory storage, influencing the …
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Second messenger | Cyclic AMP, Calcium
Second messenger, molecule inside cells that acts to transmit signals from a receptor to a target. The term second messenger was coined upon the discovery of these substances in order to distinguish them from hormones and other …
Second Messenger Systems in Cellular Communication
2025年1月12日 · Second messengers are indispensable in orchestrating cellular communication, bridging the gap between external cues and the cell’s internal machinery. When a signaling …
Second Messenger - an overview | ScienceDirect Topics
Second messenger systems provide incredibly powerful mechanisms for the transformation of stimuli from merely electrical and biochemical signals into stable, long-lasting, and memory …
Second Messenger System - an overview | ScienceDirect Topics
Learn about the intracellular signaling molecules that transfer the extracellular signal from a first messenger (hormone or neurotransmitter) to the cytosol. Explore chapters and articles on …
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