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The current understanding of KRAS oligomerization on membranes

Nastazia Lesgidou1, Michail Papadourakis1, Nishita Mandal1

  • 1Biomedical Research Foundation, Academy of Athens, 4 Soranou Ephessiou, 11527, Athens, Greece.

Current Opinion in Structural Biology
|December 13, 2025
PubMed

Insights

KRAS nanoclusters form on cell membranes, influencing cancer signaling. This review explores KRAS oligomerization, its effectors, and how small molecules impact this pathway.

Area of Science:

  • Molecular biology
  • Cell biology
  • Cancer research

Background:

  • KRAS mutations are common in various cancers.
  • KRAS localizes to the plasma membrane and forms oligomers (nanoclusters).
  • These nanoclusters are dynamic and crucial for signal amplification and specificity.

Purpose of the Study:

  • To review current understanding of KRAS oligomerization on membranes.
  • To discuss the relevance of KRAS nanoclustering for downstream signaling.
  • To explore factors influencing KRAS nanoclustering and potential therapeutic interventions.

Main Methods:

  • Literature review and synthesis of existing research.
  • Discussion of theoretical KRAS-KRAS interfaces.
  • Analysis of effector roles and lipid composition effects on nanoclustering.

Main Results:

  • KRAS nanoclusters are dynamic, reversible structures critical for signaling.
  • Membrane lipid composition and specific effectors influence KRAS nanoclustering.
  • Small molecules can modulate the RAS signaling pathway and KRAS nanoclustering.

Conclusions:

  • KRAS oligomerization is a key regulatory mechanism in cancer.
  • Understanding KRAS nanoclustering provides insights into cancer progression.
  • Targeting KRAS nanoclustering with small molecules offers potential therapeutic strategies.

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