Modulating Tumor Extracellular Matrix by Simultaneous Inhibition of Two Cancer Cell Receptors

Weizhi Chen1, Yang Yuan1, Cheng Li1

  • 1College of Chemistry and Chemical Engineering, Nanjing University, Nanjing, 210023, China.

Insights

Blocking cancer cell signaling disrupts tumor extracellular matrix (ECM). Targeting receptors with novel conjugates inhibits and reverses tumor microenvironment remodeling, offering a new cancer therapy strategy.

Area of Science:

  • Oncology
  • Cell Biology
  • Biochemistry

Background:

  • The extracellular matrix (ECM) plays a crucial role in cellular functions and disease pathology.
  • Current research primarily examines how cancer cells respond to ECM changes, with limited understanding of how cancer cells initiate ECM alterations.
  • Cancer cells actively remodel their microenvironment, contributing to tumor progression.

Purpose of the Study:

  • To investigate how cancer cells initiate changes in the tumor extracellular matrix.
  • To explore the therapeutic potential of targeting cancer cell signaling to modulate the tumor ECM.
  • To determine if inhibiting cancer cell-mediated ECM remodeling can impact tumor progression.

Main Methods:

  • Utilizing recombinant proteins (RPs) and recombinant protein-drug conjugates (RPDCs).
  • Simultaneously targeting the epidermal growth factor receptor and integrin on cancer cells.
  • Assessing the impact of these targeted therapies on tumor ECM structure and composition.

Main Results:

  • Blocking cancer cell signaling effectively disrupts the tumor extracellular matrix.
  • Multireceptor-mediated modulation of tumor ECM inhibits and reverses tumor-induced microenvironmental remodeling.
  • Demonstrated the ability of RPs and RPDCs to alter the physiological and structural microenvironment of tumors.

Conclusions:

  • Cancer cells play a significant role in creating a protumoral microenvironment through ECM modulation.
  • Targeting cancer cell signaling pathways offers a novel therapeutic strategy for cancer treatment.
  • Recombinant protein-drug conjugates present a promising platform for inhibiting ECM remodeling and treating cancer.

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