Targeting the tumor microenvironment

Paraic A Kenny1, Genee Y Lee, Mina J Bissell

  • 1Life Sciences Division, Lawrence Berkeley National Laboratory, University of California, Berkeley, CA 94720, USA. pakenny@lbl.gov

Insights

Cancer treatment is evolving beyond targeting tumor cells alone. Emerging research highlights the crucial role of the tumor microenvironment, revealing new therapeutic strategies and drug targets for improved cancer therapies.

Area of Science:

  • Oncology
  • Cancer Biology
  • Drug Discovery

Background:

  • Cancer remains a significant challenge despite advances in treatment.
  • The tumor microenvironment, comprising stromal cells and signaling pathways, plays a critical role in cancer progression.
  • Targeting tumor epithelial cells alone is insufficient for effective cancer therapy.

Purpose of the Study:

  • To explore the intricate interactions between tumor epithelial cells and the surrounding stroma.
  • To identify and review "druggable" targets and processes within the tumor microenvironment.
  • To discuss therapeutic approaches aimed at disrupting these tumor-stroma interactions.

Main Methods:

  • Review of current scientific literature on tumor microenvironment.
  • Analysis of emerging therapeutic targets and drug development pipelines.
  • Discussion of approved and investigational agents targeting microenvironmental components.

Main Results:

  • Established synergy between tumor epithelium and stroma necessitates a broader therapeutic approach.
  • Several key components and processes within the tumor microenvironment are identified as potential drug targets.
  • Existing drugs (e.g., targeting VEGF, aromatase) demonstrate the viability of targeting the microenvironment.

Conclusions:

  • Disrupting the dialogue between tumor cells and their microenvironment offers promising therapeutic avenues.
  • Further research into tumor microenvironment interactions will yield novel strategies for cancer treatment.
  • Targeting the tumor microenvironment represents a critical frontier in developing more effective cancer therapies.

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