p53 in Cancer Therapy: The Impact of Mutations on the Genome Guardian

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About this Research Topic

Submission deadlines

  1. Manuscript Submission Deadline 15 April 2025

  2. This Research Topic is still accepting articles.

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Background

The p53 protein, often dubbed the "guardian of the genome," is a pivotal player in maintaining cellular integrity by regulating the cell cycle, facilitating DNA repair, and initiating apoptosis in response to genetic damage. Its role as a tumor suppressor is crucial, as it halts the progression of cancer by ensuring the genome's integrity. When DNA damage is detected, p53 can either arrest the cell cycle or induce apoptosis, depending on the severity of the damage. This dual function acts as a barrier against tumor development by preventing the proliferation of genetically abnormal cells. Recent studies have explored the pathways through which p53 mutations contribute to cancer, leading to the development of potential therapeutic strategies, such as small molecules that mimic or reactivate mutant p53. Additionally, synthetic lethality approaches targeting p53-deficient tumors offer promising intervention avenues.

Despite these advances, challenges remain due to the diverse and context-dependent effects of p53 mutations, as well as its interactions with other cellular pathways. Cutting-edge techniques like single-cell sequencing and CRISPR-Cas9 gene editing are being employed to unravel these complexities, offering more precise insights into p53's functions and mutations. Furthermore, p53's role in anti-tumor immunity, through the regulation of various immune elements, underscores its significance in cancer biology. Genetic alterations in p53 can lead to immune evasion, affecting immune cell recruitment, cytokine secretion, and inflammatory signaling within the tumor microenvironment. In some cases, p53 mutations increase neoantigen load, enhancing the response to immune checkpoint inhibitors. Therapeutic restoration of mutated p53 can reinstate anti-cancer immune cell infiltration and reduce pro-tumor signaling, promoting tumor regression. Clinical trials combining p53-restoring compounds or p53-based vaccines with immunotherapy have shown varying results across different cancer types, highlighting the potential of p53 research in developing tailored treatments.

This research topic aims to delve into the intricate role of p53 mutations in cancer therapy, focusing on their impact on the protein's function as the genome's guardian. The primary objectives include understanding the mechanisms by which p53 mutations contribute to tumorigenesis, exploring therapeutic strategies to restore or mimic p53 function, and investigating the interplay between p53 mutations and the immune system. Key questions to be addressed include: How do specific p53 mutations affect its tumor-suppressing capabilities? What are the most promising therapeutic approaches for targeting p53-deficient tumors? How can p53 restoration influence anti-tumor immunity and improve patient outcomes?

To gather further insights into the complex landscape of p53 mutations in cancer therapy, we welcome articles addressing, but not limited to, the following themes:
- Mechanisms of p53 mutation-induced tumorigenesis
- Development of small molecules and compounds targeting mutant p53
- Synthetic lethality strategies for p53-deficient tumors
- Role of p53 in modulating anti-tumor immunity
- Clinical trials and outcomes of p53-targeted therapies
- Interactions between p53 mutations and other cellular pathways
- Advances in single-cell sequencing and CRISPR-Cas9 for p53 research
- Diagnostic and prognostic implications of p53 mutations in cancer.

Article types and fees

This Research Topic accepts the following article types, unless otherwise specified in the Research Topic description:

  • Brief Research Report
  • Case Report
  • Classification
  • Clinical Trial
  • Editorial
  • General Commentary
  • Hypothesis and Theory
  • Methods
  • Mini Review

Articles that are accepted for publication by our external editors following rigorous peer review incur a publishing fee charged to Authors, institutions, or funders.

Article types

This Research Topic accepts the following article types, unless otherwise specified in the Research Topic description:

  • Brief Research Report
  • Case Report
  • Classification
  • Clinical Trial
  • Editorial
  • General Commentary
  • Hypothesis and Theory
  • Methods
  • Mini Review
  • Opinion
  • Original Research
  • Perspective
  • Review
  • Study Protocol
  • Systematic Review
  • Technology and Code

Keywords: p53 mutation, breast cancer, gain-of-function, therapy, tumor suppression, TNBC, Signaling Pathways

Important note: All contributions to this Research Topic must be within the scope of the section and journal to which they are submitted, as defined in their mission statements. Frontiers reserves the right to guide an out-of-scope manuscript to a more suitable section or journal at any stage of peer review.

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