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Ras superfamily monomeric G proteins in carcinoma cell motility
1Department of Molecular Physiology and Biological Physics, University of Virginia, Charlottesville, VA 22908, USA.
Abstract:
With over 100 members in humans, the Ras superfamily is a diverse group of monomeric G proteins participating in many cellular processes. Members of the Ras, Rho, and Arf families have been shown to regulate cell motility in fibroblasts and epithelial cells. Ras and Rho family members are also widely involved in human tumorigenesis, either through activating mutations or by overexpression. In this review, tools for studying carcinoma cell migration are discussed and evidence for regulation of carcinoma cell motility by specific Ras superfamily members is summarized. Novel emerging mechanisms of migration in carcinoma cells involving RhoC and Ral are also discussed.
Insights
The Ras superfamily of G proteins regulates cell migration. This review summarizes how Ras superfamily members, particularly RhoC and Ral, influence carcinoma cell motility and tumorigenesis.
Area of Science:
- Molecular Biology
- Cell Biology
- Oncology
Background:
- The Ras superfamily comprises over 100 human G proteins crucial for cellular functions.
- Ras, Rho, and Arf family members are known regulators of cell motility in various cell types.
- Dysregulation of Ras and Rho family members is implicated in human cancer development.
Purpose of the Study:
- To review methods for studying carcinoma cell migration.
- To summarize evidence linking Ras superfamily members to carcinoma cell motility.
- To discuss novel migration mechanisms involving RhoC and Ral in carcinoma.
Main Methods:
- Literature review of studies on carcinoma cell migration.
- Analysis of research on Ras superfamily protein function in cell motility.
- Synthesis of findings on the role of RhoC and Ral in cancer cell movement.
Main Results:
- Specific Ras superfamily members are confirmed regulators of carcinoma cell motility.
- RhoC and Ral are identified as key players in emerging carcinoma cell migration pathways.
- Various tools exist for the investigation of carcinoma cell migration.
Conclusions:
- Ras superfamily proteins significantly impact carcinoma cell migration and potentially tumorigenesis.
- RhoC and Ral represent important targets for understanding and potentially inhibiting cancer cell movement.
- Further research into Ras superfamily regulation of cell motility is warranted for cancer therapy.