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Anchorage-dependent ERK signaling--mechanisms and consequences.
Alan K Howe1, Andrew E Aplin, R L Juliano
1University of North Carolina, Chapel Hill, School of Medicine, Department of Pharmacology, Campus Box 7365, Chapel Hill, North Carolina 27599-3765, USA. Alan_Howe@med.unc.edu
Current Opinion in Genetics & Development
|January 16, 2002
Summary
Cell adhesion regulates cell growth factor signaling through the extracellular signal-regulated kinase (ERK) pathway. This anchorage-dependent mechanism impacts cell migration, division, and survival.
Area of Science:
- Cellular Biology
- Molecular Biology
- Biochemistry
Background:
- Integrin-mediated cell adhesion to the extracellular matrix is crucial for cellular responses to mitogens.
- Extracellular signal-regulated kinase (ERK) pathway activation is a key example of this regulation.
- ERK signaling is vital for cell migration, division, and survival.
Purpose of the Study:
- To investigate how cell adhesion regulates ERK signaling.
- To define the mechanisms and consequences of anchorage-dependent effects on the ERK cascade.
Main Methods:
- Investigated integrin-mediated cell adhesion.
- Analyzed extracellular signal-regulated kinase (ERK) pathway activation.
- Studied anchorage-dependent growth factor signaling.
Main Results:
- Cell adhesion was shown to regulate ERK signaling at multiple checkpoints.
- Mechanisms underlying anchorage-dependent ERK regulation were elucidated.
Conclusions:
- Cell adhesion plays a significant role in controlling ERK pathway activity.
- Understanding these mechanisms provides insight into cell growth, migration, and survival.