Cancer Therapy and the p53-MDM2 Autoregulatory Feedback Loop

A special issue of Cancers (ISSN 2072-6694). This special issue belongs to the section "Molecular Cancer Biology".

Deadline for manuscript submissions: closed (31 December 2021) | Viewed by 4685

Special Issue Editors


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Guest Editor
p53/MDM2 Research Team, Department of Molecular and Clinical Cancer Medicine, Cancer Research Centre, University of Liverpool, 200 London Road, Liverpool L3 9TA, United Kingdom
Interests: p53; MDM2; tumour suppressor; oncogene; targeted therapy

E-Mail Website
Guest Editor
p53/MDM2 Research Team, Department of Molecular and Clinical Cancer Medicine, Cancer Research Centre, University of Liverpool, 200 London Road, Liverpool L3 9TA, United Kingdom
Interests: p53; MDM2; MTBP; models of cancer; novel therapy

Special Issue Information

Dear Colleagues,

Mutations in the TP53 gene are by far the most common genetic alterations in cancer. Loss of p53 function is frequently linked to reduced therapeutic responses, resulting in poor patient outcomes. Almost 100,000 publications have investigated p53, which is testament to the immense importance the scientific and medical research communities place on understanding this critical tumour suppressor gene. Yet, to date, only one study has successfully utilised p53 status for patient stratification leading to patient benefit (Pettitt et al, 2012). What is going wrong? How come the most studied gene in human cancer has yielded so little clinical utility? This Special Issue of Cancers will explore some of the existing and future challenges as well as exciting new opportunities that have been revealed by recent research.

References

Pettitt, A.R.; Jackson, R.;  Carruthers, S.; Dodd, J.; Dodd, S.; Oates, M.; Johnson, G.G.; Schuh, A.; Matutes, E.; Dearden, C.E.; et al.  Alemtuzumab in combination with methylprednisolone is a highly effective induction regimen for patients with chronic lymphocytic leukemia and deletion of TP53: Final results of the national cancer research institute CLL206 trial. Journal of clinical oncology: official journal of the American Society of Clinical Oncology, 2012, 30, 16471655.

Prof. Mark Boyd
Dr. Nikolina Vlatković
Guest Editors

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Keywords

  • p53
  • MDM2
  • tumour suppressor
  • targeted therapy
  • stratification

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Published Papers (1 paper)

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Review

16 pages, 1377 KiB  
Review
Targeting Post-Translational Regulation of p53 in Colorectal Cancer by Exploiting Vulnerabilities in the p53-MDM2 Axis
by Chunwei W. Lai, Cindy Xie, Jean-Pierre Raufman and Guofeng Xie
Cancers 2022, 14(1), 219; https://doi.org/10.3390/cancers14010219 - 3 Jan 2022
Cited by 5 | Viewed by 3922
Abstract
The role played by the key tumor suppressor gene p53 and the implications of p53 mutations for the development and progression of neoplasia continue to expand. This review focuses on colorectal cancer and the regulators of p53 expression and activity identified over the [...] Read more.
The role played by the key tumor suppressor gene p53 and the implications of p53 mutations for the development and progression of neoplasia continue to expand. This review focuses on colorectal cancer and the regulators of p53 expression and activity identified over the past decade. These newly recognized regulatory mechanisms include (1) direct regulation of mouse double minute 2 homolog (MDM2), an E3 ubiquitin-protein ligase; (2) modulation of the MDM2-p53 interaction; (3) MDM2-independent p53 degradation; and (4) inhibition of p53 nuclear translocation. We positioned these regulatory mechanisms in the context of p53 missense mutations, which not only evade canonical p53 degradation machinery but also exhibit gain-of-function phenotypes that enhance tumor survival and metastasis. Lastly, we discuss current and potential therapeutic strategies directed against p53 mutant-bearing tumors. Full article
(This article belongs to the Special Issue Cancer Therapy and the p53-MDM2 Autoregulatory Feedback Loop)
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