Intratumoral immune cell manipulations as a strategy to enhance cancer vaccine efficiency.

Trends Cancer

Vaccine and Immunotherapy Center, Massachusetts General Hospital, Harvard Medical School, Boston, Massachusetts, USA. Electronic address:

Published: December 2024

AI Article Synopsis

  • Many cancer vaccines struggle because the immune response they generate is often weak and short-lived in the tumor's environment.
  • The presence of suppressive immune cells, like regulatory T cells and M2 macrophages, contributes to this issue, limiting the vaccine's effectiveness.
  • The text suggests exploring new strategies that combine changes in immune cell states with cancer vaccines to improve their effectiveness against tumors.

Article Abstract

Shortcomings in cancer vaccine development are attributable to weak and transient anti-tumor cellular responses in the tumor microenvironment. This restriction of efficacy may be due to an intratumoral immunosuppressive milieu, consisting of regulatory T cells, M2 macrophages, and myeloid derived suppressor cells. Here, we analyze recent advances and propose future directions in the modulation of cellular state propensities combined with cancer vaccines.

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Source
http://dx.doi.org/10.1016/j.trecan.2024.11.007DOI Listing

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