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Cancer vaccines: from an immunology perspective

Shania Makker1,2, Charlotte Galley1, Clare L Bennett1

  • 1Department of Haematology, UCL Cancer Institute, University College London, London, UK.

Immunotherapy Advances
|January 15, 2024
PubMed

Insights

Therapeutic cancer vaccines aim to boost anti-tumour immunity but face challenges. Advances in understanding tumour mutational burden and mRNA technology are revitalizing cancer vaccine development for improved immuno-oncology treatments.

Area of Science:

  • Oncology
  • Immunology
  • Vaccinology

Background:

  • Therapeutic cancer vaccines aim to stimulate anti-tumour immunity, predating current checkpoint blockade immunotherapies.
  • Previous vaccination strategies have not met clinical expectations due to unanswered questions about underlying immunological mechanisms.
  • Recent progress in understanding tumour mutational burden and neo-antigen-reactive T cells has renewed interest in cancer vaccination.

Purpose of the Study:

  • To summarize current developments in therapeutic cancer vaccines.
  • To discuss how a deeper comprehension of cellular interactions in responsive tumours can inform vaccine design.
  • To highlight the critical role of dendritic cells in orchestrating anti-tumour immunity.

Main Methods:

  • Review of current research and clinical trials in cancer vaccines.
  • Analysis of recent advances in immuno-oncology, including tumour mutational burden and neo-antigen recognition.
  • Exploration of the immunological mechanisms, focusing on the role of dendritic cells.

Main Results:

  • Cancer vaccines have demonstrated 'proof-of-principle' in numerous clinical trials, supporting their potential as immuno-oncology agents.
  • Novel mRNA-based vaccine technologies, inspired by COVID-19 successes, are being explored for cancer treatment.
  • Understanding cellular interplay in immunotherapy-responsive tumours is key to improving vaccine efficacy.

Conclusions:

  • Therapeutic cancer vaccines hold significant potential as immuno-oncology agents.
  • Further elucidation of immunological mechanisms is paramount for developing safe and efficacious cancer vaccines.
  • Dendritic cells are central orchestrators of the anti-tumour immune response, crucial for vaccine design.
Keywords:
Immunotherapycancer vaccinesdendritic cellsmRNA vaccines

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