Targeting mutant p53 for efficient cancer therapy

Vladimir J N Bykov1, Sofi E Eriksson1, Julie Bianchi1

  • 1Karolinska Institutet, Department of Oncology-Pathology, Cancer Center Karolinska (CCK), SE-171 77 Stockholm, Sweden.

Nature Reviews. Cancer
|December 16, 2017
PubMed

Insights

Restoring function of the tumor suppressor TP53 gene, frequently mutated in cancer, can eliminate tumor cells. Researchers are developing drugs to reactivate mutant p53, with promising clinical trial results.

Area of Science:

  • Oncology
  • Molecular Biology
  • Pharmacology

Background:

  • The TP53 gene, a critical tumor suppressor, is frequently mutated in various cancers.
  • Mutations in TP53 lead to the inactivation of p53 protein, promoting tumor cell survival and progression.
  • Restoring wild-type p53 function is a key therapeutic strategy for cancer treatment.

Purpose of the Study:

  • To review recent advancements in the pharmacological reactivation of mutant p53.
  • To discuss novel strategies targeting both missense and nonsense TP53 mutations.
  • To highlight the challenges and potential of p53-targeted cancer therapies.

Main Methods:

  • Identification of small molecules capable of reactivating missense-mutant p53.
  • Development of novel therapeutic approaches for TP53 nonsense mutations.
  • Clinical trials evaluating the efficacy of p53-restoring compounds.

Main Results:

  • Several small molecules have been identified that can restore the function of missense-mutant p53.
  • Two compounds targeting missense mutations are currently undergoing clinical trials.
  • Emerging strategies are being developed to address TP53 nonsense mutations.

Conclusions:

  • Pharmacological reactivation of mutant p53 holds significant promise for cancer therapy.
  • Targeting TP53 mutations offers a potential pathway to trigger tumor cell death and elimination.
  • Further research and clinical evaluation are essential to realize the full therapeutic potential of these strategies.

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