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[RAS proteins and related proteins]

A Tavitian1

  • 1INSERM U. 248, Paris, France.

Comptes Rendus Des Seances De La Societe De Biologie Et De Ses Filiales
|January 1, 1995
PubMed
Summary

Small G-proteins, like Ras, Rho, Rab, and Ran, are vital for cell functions but their specific roles remain unclear. Advanced cell biology and genetics research aim to uncover their precise functions.

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Area of Science:

  • Molecular Biology
  • Cellular Biology
  • Genetics

Context:

  • Over sixty small G-proteins within the ras gene superfamily have been identified.
  • These proteins are classified into four subfamilies: ras, rho, rab, and ran.
  • Despite structural similarities, their specific intracellular functions are largely unknown.

Purpose:

  • To explore the diverse and complex roles of ras superfamily proteins in cellular mechanisms.
  • To investigate the functions of numerous small G-proteins within the ras gene superfamily.
  • To understand the specific roles of these proteins in signal transduction, cell cycle, differentiation, and cellular traffic.

Summary:

  • The ras gene superfamily comprises over sixty small G-proteins involved in critical cellular processes.
  • Research methods like determining intracellular localization, differential expression, and studying interacting molecules are employed.
  • Advanced mammalian cell biology, biochemistry, and yeast genetics are crucial for elucidating protein functions.

Impact:

  • Clarifying the functions of ras superfamily proteins will advance our understanding of fundamental cell biology.
  • Elucidating these roles can reveal insights into diseases associated with cellular dysfunction.
  • This research contributes to the broader field of molecular and cellular signaling pathways.

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