Interplay between Cell Death and Cell Proliferation Reveals New Strategies for Cancer Therapy

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  • Luke V. Loftus
    Cellular and Molecular Medicine Program, Johns Hopkins School of Medicine, Baltimore, MD 21205, USA
  • Sarah R. Amend
    Cellular and Molecular Medicine Program, Johns Hopkins School of Medicine, Baltimore, MD 21205, USA
  • Kenneth J. Pienta
    Cellular and Molecular Medicine Program, Johns Hopkins School of Medicine, Baltimore, MD 21205, USA

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<jats:p>Cell division and cell death are fundamental processes governing growth and development across the tree of life. This relationship represents an evolutionary link between cell cycle and cell death programs that is present in all cells. Cancer is characterized by aberrant regulation of both, leading to unchecked proliferation and replicative immortality. Conventional anti-cancer therapeutic strategies take advantage of the proliferative dependency of cancer yet, in doing so, are triggering apoptosis, a death pathway to which cancer is inherently resistant. A thorough understanding of how therapeutics kill cancer cells is needed to develop novel, more durable treatment strategies. While cancer evolves cell-intrinsic resistance to physiological cell death pathways, there are opportunities for cell cycle agnostic forms of cell death, for example, necroptosis or ferroptosis. Furthermore, cell cycle independent death programs are immunogenic, potentially licensing host immunity for additional antitumor activity. Identifying cell cycle independent vulnerabilities of cancer is critical for developing alternative strategies that can overcome therapeutic resistance.</jats:p>

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