Function, regulation and pathological roles of the Gab/DOS docking proteins
Franziska U Wöhrle1, Roger J Daly, Tilman Brummer
1Centre for Biological Systems Analysis (ZBSA), Albert-Ludwigs-University of Freiburg, Germany. tilman.brummer@zbsa.de.
Cell Communication and Signaling : CCS
|September 10, 2009
Summary
Gab/DOS docking proteins are crucial signaling hubs in metazoans, integrating diverse signals and regulating physiological processes. Dysregulation of these proteins is linked to diseases like cancer and Alzheimer's.
Area of Science:
- Cellular Biology
- Molecular Signaling
- Biochemistry
Background:
- Gab/DOS proteins are key docking proteins discovered over a decade ago.
- They act as central signaling hubs, integrating signals from various receptors like growth factors and cytokines.
- These proteins are involved in signal diversification, directing information into distinct biological pathways.
Purpose of the Study:
- To provide a comprehensive review of the Gab/DOS protein family.
- To detail their structure, effector functions, regulation, and evolutionary aspects.
- To summarize recent findings on Gab protein involvement in human diseases.
Main Methods:
- Review of recent literature in protein biochemistry and systems biology.
- Analysis of feed-forward and feedback phosphorylation events.
- Examination of protein-protein interactions.
Main Results:
- Gab/DOS proteins are subject to complex regulatory mechanisms.
- They play essential roles in numerous physiological processes.
- Aberrant Gab protein signaling is implicated in neoplasia and Alzheimer's disease.
Conclusions:
- Gab/DOS proteins are central to signaling subsystems with vital physiological roles.
- Gab2 isoform, in particular, is implicated in various cancers and other diseases.
- Understanding Gab protein regulation is crucial for disease intervention.
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