Journal
TRENDS IN CELL BIOLOGY
Volume 18, Issue 9, Pages 430-442Publisher
ELSEVIER SCIENCE LONDON
DOI: 10.1016/j.tcb.2008.06.006
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Funding
- Canadian Institutes for Health Research
- National Institutes of Health [GM083172]
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How transforming growth factor-beta (TGF-beta) signaling elicits diverse cell responses remains elusive, despite the major molecular components of the pathway being known. We contend that understanding TGF-beta biology requires mathematical models to decipher the quantitative nature of TGF-beta/Smad signaling and to account for its complexity. Here, we review mathematical models of TGF-beta superfamily signaling that predict how robustness is achieved in bone-morphogenetic-protein signaling in the Drosophila embryo, how changes in receptor-trafficking dynamics can be exploited by cancer cells and how the basic mechanisms of TGF-beta/Smad signaling conspire to promote Smad accumulation in the nucleus. These studies demonstrate the power of mathematical modeling for understanding TGF-beta biology.
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