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Targeting Ras genes in kidney disease.

Bruce M Hendry1, Claire C Sharpe

  • 1Department of Renal Medicine, Guy's King's St. Thomas' School of Medicine, King's College, London, UK. bruce.hendry@kcl.ac.uk

Nephron. Experimental Nephrology
|May 22, 2003
PubMed
Summary

Ras superfamily GTPases control cellular functions in kidney disease. Targeting specific Ras genes like Harvey Ras, Kirsten Ras, and Rho A offers potential therapeutic strategies for renal cell proliferation and migration.

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Area of Science:

  • Cell biology
  • Renal medicine
  • Molecular signaling

Background:

  • Renal diseases involve cellular dysfunction, including excessive proliferation, altered apoptosis, migration, and secretion.
  • The Ras superfamily of small monomeric GTPases plays a crucial role in regulating these cellular events via intracellular signaling cascades.

Purpose of the Study:

  • To explore the potential of targeting specific Ras genes for novel renal therapies.
  • To identify Ras GTPases involved in key cellular processes characteristic of kidney disease.

Main Methods:

  • Review of recent advances in cell biology and intracellular signaling.
  • Analysis of the roles of specific Ras genes (e.g., Harvey Ras, Kirsten Ras, Rho A) in cellular functions.

Main Results:

  • Specific Ras genes have distinct roles in complex signaling networks controlling cellular functions.
  • Harvey Ras and Kirsten Ras may be targeted to reduce renal cell proliferation.
  • Rho A and related GTPases could modulate cell migration, fibrosis, and vasoconstriction.

Conclusions:

  • Targeting Ras GTPases presents a promising therapeutic avenue for kidney diseases.
  • Strategies may involve RNA-interacting agents (antisense DNA, siRNA) or small molecules targeting Ras or related kinases (Rho kinase, Raf kinase).

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