Targeting the Tumor Microenvironment: An Unexplored Strategy for Mutant KRAS Tumors

Patrícia Dias Carvalho1,2,3, Ana Luísa Machado1,4,5, Flávia Martins1,2,6

  • 1i3S - Instituto de Investigação e Inovação em Saúde, Epithelial Interactions in Cancer group, Rua Alfredo Allen, 4200-135 Porto, Portugal.

Cancers
|December 19, 2019
PubMed

Insights

Cancer cells rely on their microenvironment for growth and metastasis. Targeting this tumor microenvironment, especially in KRAS-mutant cancers, offers new therapeutic strategies.

Area of Science:

  • Oncology
  • Cancer Biology
  • Tumor Microenvironment

Background:

  • Cancer cells are critically dependent on their surrounding microenvironment for survival and progression.
  • Signals from the tumor microenvironment influence cancer cell aggressiveness and metastatic potential.
  • Targeting the tumor microenvironment is a promising therapeutic strategy to inhibit cancer progression.

Purpose of the Study:

  • To review the communication between cancer cells and the tumor microenvironment.
  • To highlight the role of oncogenic KRAS signaling in promoting a pro-tumorigenic microenvironment.
  • To explore therapeutic strategies targeting KRAS-driven tumor-microenvironment interactions.

Main Methods:

  • Literature review of current evidence on cancer cell-microenvironment interactions.
  • Analysis of the role of KRAS signaling in shaping the tumor microenvironment.
  • Discussion of therapeutic implications for mutant KRAS tumors.

Main Results:

  • The tumor microenvironment significantly impacts cancer cell behavior, including aggressiveness and metastasis.
  • Oncogenic KRAS signaling actively promotes a pro-tumorigenic microenvironment.
  • KRAS plays a central role in mediating cancer cell-microenvironment crosstalk, often leading to poor prognosis.

Conclusions:

  • Understanding cancer cell-microenvironment interactions is crucial for developing effective cancer therapies.
  • Targeting the crosstalk influenced by KRAS offers novel therapeutic avenues for mutant KRAS tumors.
  • This review provides insights into potential therapies and response prediction for existing treatments.

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