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signaling

The Columbia Encyclopedia, Sixth Edition

signaling transmission of information by visible, audible, or other detectable means. Since prehistoric times humans have sought and employed ever more effective means of communicating over distance. Signal fires on mountain tops announced awaited events. In Africa a sophisticated system of drum beating was used, where the tone and the rhythm determined the meaning. Some Native Americans used smoke signals to send messages. In the American Revolution the colonists used combinations of three articles for signaling—a barrel, a basket, and a flag placed in different positions atop a post.... Read more

Signaling and Signal Transduction
Biology Signaling and Signal Transduction All cells are able to sense and...transmitted through the body by the action of extracellular signaling molecules called neurotransmitters . Insulin, a hormone...hormones are two important examples of extracellular signaling molecules released by one cell to influence ... Read more

spread spectrum signaling
A Dictionary of Computing spread spectrum signaling A form of modulation in which the frequency of the carrier for the...predetermined possible frequencies. This has several advantages over signaling using a fixed allocation of frequencies. Its use may allow a number... Read more

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	Mitochondrial Signaling in Mammalian Cells Activated by Red and Near-IR Radiation Magazine article from: Photochemistry and Photobiology; 9/1/2008; ; 700+ words ; ABSTRACT Mitochondrial signaling is an information channel between...activate this retrograde-type cellular signaling pathway. Experimental data about...elements of mitochondrial retrograde signaling by the irradiation (mitochondrial... Read more
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	The JAK-STAT Signaling Network in the Human B-Cell: An Extreme Signaling Pathway Analysis Magazine article from: Biophysical Journal; 7/1/2004; ; 700+ words ; ABSTRACT Large-scale models of signaling networks are beginning to be reconstructed...Herein, a reconstruction of the JAK-STAT signaling system in the human B-cell is described...presented. This approach is called extreme signaling pathway analysis and involves the description... Read more
	Inhibition of Hedgehog Signaling Protects Adult Mice from Diet-Induced Weight Gain1 Magazine article from: The Journal of Nutrition; 11/1/2004; ; 700+ words ; ABSTRACT Hedgehog (Hh) signaling plays an important role in embryonic...precluding further study of this signaling pathway in the mature intestine...determine the effect of inhibiting Hh signaling on weight gain and lipid absorption... Read more
	Mechanisms for temporal tuning and filtering by postsynaptic signaling pathways Magazine article from: Biophysical Journal; 8/1/2002; ; 700+ words ; ABSTRACT Networks of signaling pathways perform complex temporal...and tuning properties of synaptic signaling pathways as a possible substrate for...action kinetic model of 16 synaptic signaling pathways was used to dissect out the... Read more
	Plant two-component signaling systems and the role of response regulators Magazine article from: Plant Physiology; 2/1/2002; ; 700+ words ; Update on Plant Signaling Plant Two-Component Signaling Systems and the Role of Response Regulators1 THE "PROKARYOTIC...complex task, prokaryotic organisms rely on the two-component signaling system, which is involved in such diverse processes as... Read more
	Self-Organization of Polarized Cell Signaling via Autocrine Circuits: Computational Model Analysis Magazine article from: Biophysical Journal; 1/1/2004; ; 700+ words ; ...studies have suggested that autocrine signaling through epidermal growth factor receptor...spatial localization of EGFR-mediated signaling. The difficulty of experimental investigation of autocrine signaling makes especially valuable an application... Read more
	Signaling in Small Subcellular Volumes. II. Stochastic and Diffusion Effects on Synaptic Network Properties Magazine article from: Biophysical Journal; 8/1/2004; ; 700+ words ; ABSTRACT The synaptic signaling network is capable of sophisticated...synapse complicates the analysis of signaling because the chemical environment is...of a previously proposed synaptic signaling circuit (Bhalla and lyengar, 1999... Read more
	The Bro1-Domain Protein, EGO-2, Promotes Notch Signaling in Caenorhabditis elegans Magazine article from: Genetics; 8/1/2007; ; 700+ words ; ...elegans, as in other animals, Notch-type signaling mediates numerous inductive events during development. The mechanism of Notch-type signaling involves proteolytic cleavage of the...transcriptional regulator. Notch-type signaling activity is modulated by post-translational... Read more

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