Preferred Label : signal transduction;
MeSH definition : The intracellular transfer of information (biological activation/inhibition) through
a signal pathway. In each signal transduction system, an activation/inhibition signal
from a biologically active molecule (hormone, neurotransmitter) is mediated via the
coupling of a receptor/enzyme to a second messenger system or to an ion channel. Signal
transduction plays an important role in activating cellular functions, cell differentiation,
and cell proliferation. Examples of signal transduction systems are the GAMMA-AMINOBUTYRIC
ACID-postsynaptic receptor-calcium ion channel system, the receptor-mediated T-cell
activation pathway, and the receptor-mediated activation of phospholipases. Those
coupled to membrane depolarization or intracellular release of calcium include the
receptor-mediated activation of cytotoxic functions in granulocytes and the synaptic
potentiation of protein kinase activation. Some signal transduction pathways may be
part of larger signal transduction pathways; for example, protein kinase activation
is part of the platelet activation signal pathway.;
MeSH synonym : signal transduction systems; transductions, signal; transduction, signal; signal transduction system; system, signal transduction; signal transductions; systems, signal transduction; Cell Signaling;
MeSH hyponym : signal pathways; signal transduction pathways; Receptor-Mediated signal transduction; Pathway, Signal; Pathways, Signal; Signal Pathway; Pathway, Signal Transduction; Pathways, Signal Transduction; Signal Transduction Pathway; Receptor-Mediated Signal Transductions; Signal Transduction, Receptor-Mediated; Signal Transductions, Receptor-Mediated; Receptor Mediated Signal Transduction;
Wikipedia link : https://en.wikipedia.org/wiki/Signal transduction;
Origin ID : D015398;
UMLS CUI : C0037083;
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UMLS correspondences (same concept)
The intracellular transfer of information (biological activation/inhibition) through
a signal pathway. In each signal transduction system, an activation/inhibition signal
from a biologically active molecule (hormone, neurotransmitter) is mediated via the
coupling of a receptor/enzyme to a second messenger system or to an ion channel. Signal
transduction plays an important role in activating cellular functions, cell differentiation,
and cell proliferation. Examples of signal transduction systems are the GAMMA-AMINOBUTYRIC
ACID-postsynaptic receptor-calcium ion channel system, the receptor-mediated T-cell
activation pathway, and the receptor-mediated activation of phospholipases. Those
coupled to membrane depolarization or intracellular release of calcium include the
receptor-mediated activation of cytotoxic functions in granulocytes and the synaptic
potentiation of protein kinase activation. Some signal transduction pathways may be
part of larger signal transduction pathways; for example, protein kinase activation
is part of the platelet activation signal pathway.