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Cell signaling research involves studying the spatial and temporal dynamics of both receptors and the components of signaling pathways that are activated by receptors in various cell types. [55] [56] Emerging methods for single-cell mass-spectrometry analysis promise to enable studying signal transduction with single-cell resolution. [57]
Signal transduction is the process by which a chemical or physical signal is transmitted through a cell as a series of molecular events. Proteins responsible for detecting stimuli are generally termed receptors , although in some cases the term sensor is used. [ 1 ]
BK channel openers can also have a protective effect on the cardiovascular system. [10] At a low concentration of calcium BK channels have a greater impact on vascular tone. [10] Furthermore, the signaling system of BK channels in the cardiovascular system have an influence on the functioning of coronary blood flow. [10]
The widely used RS-232 system is an example of single-ended signaling, which uses ±12 V to represent a signal, and anything less than ±3 V to represent the lack of a signal. The high voltage levels give the signals some immunity from noise, since few naturally occurring signals can create a voltage of such magnitude.
A feedback loop involving erythropoietin helps regulate the process of erythropoiesis so that, in non-disease states, the production of red blood cells is equal to the destruction of red blood cells and the red blood cell number is sufficient to sustain adequate tissue oxygen levels but not so high as to cause sludging, thrombosis, or stroke ...
Signaling proteins give cells information to make the embryo develop properly. When the pathway malfunctions, it can result in diseases like basal cell carcinoma. [3] Recent studies point to the role of hedgehog signaling in regulating adult stem cells involved in maintenance and regeneration of adult tissues.
In neuroscience, single-unit recordings (also, single-neuron recordings) provide a method of measuring the electro-physiological responses of a single neuron using a microelectrode system. When a neuron generates an action potential , the signal propagates down the neuron as a current which flows in and out of the cell through excitable ...
S1PR1 was originally identified as an abundant transcript in endothelial cells [6] and it has an important role in regulating endothelial cell cytoskeletal structure, migration, capillary-like network formation and vascular maturation. [7] [8] In addition, S1PR1 signaling is important in the regulation of lymphocyte maturation, migration and ...