Immunomodulation by endothelial cells: prospects for cancer therapy

Area of Science:

• Cancer Biology
• Immunology
• Cell Biology
• Tumor Microenvironment Research

Background:

• Tumor endothelial cells (TECs) are crucial components of the tumor microenvironment (TME), supporting tumor progression and immune evasion.
• Immunomodulatory endothelial cells (IMECs) represent a plastic endothelial cell (EC) phenotype with significant immune-modulating capabilities in various conditions.

Purpose of the Study:

• To review and synthesize current knowledge on IMECs within cancer biology.
• To compare IMEC characteristics and functional dynamics across different tumor types, conditions, and species using single-cell data.
• To explore the therapeutic potential of targeting IMECs for optimizing cancer treatment and immunotherapies.

Main Methods:

• Comprehensive literature review focusing on single-cell reports and studies on IMECs in cancer.
• Comparative analysis of IMEC phenotypes, functions, and dynamics across diverse cancer models.
• Investigation of IMEC interactions with the immune system and their impact on therapeutic efficacy.

Main Results:

• TECs, particularly IMECs, play a significant role in promoting tumor growth and facilitating immune evasion within the TME.
• Single-cell analyses reveal diverse characteristics and dynamic functions of IMECs across various cancer types and conditions.
• IMECs influence the efficacy of existing cancer therapies and present potential targets for novel immunotherapeutic strategies.

Conclusions:

• Understanding the multifaceted roles of IMECs in cancer is critical for developing effective treatment strategies.
• Exploiting IMECs as therapeutic targets holds significant promise for enhancing the efficacy of cancer immunotherapies.
• Further research into IMEC biology is warranted to fully leverage their potential in oncology.