Signal transduction
Signal transduction | |
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Term | Signal transduction |
Short definition | signal transduction - (pronounced) (SIG-nul trance-DUK-shun) The process by which a cell responds to substances outside the cell through signaling molecules found on the surface and inside the cell. Most of the molecules involved in signaling are chemical substances, such as hormones, neurotransmitters, and growth factors, that bind to a specific protein receptor (signaling molecule) on or in a cell. |
Type | Cancer terms |
Specialty | Oncology |
Language | English |
Source | NCI |
Comments |
signal transduction - (pronounced) (SIG-nul trance-DUK-shun) The process by which a cell responds to substances outside the cell through signaling molecules found on the surface and inside the cell. Most of the molecules involved in signaling are chemical substances, such as hormones, neurotransmitters, and growth factors, that bind to a specific protein receptor (signaling molecule) on or in a cell. The signals are then passed from one molecule to another within the cell, resulting in a specific cellular response such as cell division or cell death. Signaling is important for cells to grow and function normally. Cells with abnormal signaling molecules can become cancerous. Also called cell signaling
External links
- Medical encyclopedia article on Signal transduction
- Wikipedia's article - Signal transduction
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