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Nat Rev Mol Cell Biol. 2006 Mar;7(3):165-76.

Cell-signalling dynamics in time and space.

Author information

1
Department of Pathology, Anatomy and Cell Biology, Thomas Jefferson University, 1020 Locust Street, Philadelphia, Pennsylvania 19107, USA. Boris.Kholodenko@jefferson.edu

Abstract

The specificity of cellular responses to receptor stimulation is encoded by the spatial and temporal dynamics of downstream signalling networks. Temporal dynamics are coupled to spatial gradients of signalling activities, which guide pivotal intracellular processes and tightly regulate signal propagation across a cell. Computational models provide insights into the complex relationships between the stimuli and the cellular responses, and reveal the mechanisms that are responsible for signal amplification, noise reduction and generation of discontinuous bistable dynamics or oscillations.

PMID:
16482094
PMCID:
PMC1679905
DOI:
10.1038/nrm1838
[Indexed for MEDLINE]
Free PMC Article
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