Role of p53 in Cell Death and Cancers

A special issue of Cells (ISSN 2073-4409). This special issue belongs to the section "Cellular Pathology".

Deadline for manuscript submissions: closed (31 January 2021) | Viewed by 4646

Special Issue Editors


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Guest Editor
School of Medicine, The Jikei University, Tokyo, Japan
Interests: tumor suppressor; cancer stem cells; signaling pathway; target therapy

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Guest Editor
Department of Cell Signaling, Graduate School of Pharmaceutical Sciences, Nagoya City University, Nagoya 467-8603, Japan
Interests: cancer; cell cycle; cellular senescence; endoplasmic reticulum stress; molecular target drugs; p53; transcriptional regulation
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Special Issue Information

Dear Colleagues,

Since the tumor suppressor gene p53 was discovered about 40 years ago, research is still ongoing by many cancer researchers in the world. p53 is one of the most famous tumor suppressors and the most frequently inactivated in a variety of hunman cancers. Through its transcriptional activity, p53 is involved in various stress responses and phentotypes, such as DNA damage response, cell death, and cellular senescence. In addition, recent studies have revealed p53 functions in energy metabolism, antioxidant function, and intracellular metabolic reprogramming. These physiological functions can be demonstrated by the diversity of functions of a huge number of p53 target genes. Furthermore, the new functions of p53 have been elucidated by integrating transcriptome analysis with the latest genome analysis technologies, such as next-generation sequencing and metabolomics analysis. Thus, it is still necessary to elucidate the physiological function of p53, which continues to expand. Here, we welcome papers describing original research and review articles to understand the role of p53 function in cell fate decisions and various diseases, including cancer.

Prof. Kiyotsugu Yoshida
Prof. Hidetoshi Hayashi
Guest Editors

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Keywords

  • angiogenesis
  • apoptosis
  • autophagy
  • cancer
  • cell cycle
  • cell death
  • cellular stress
  • DNA damage
  • DNA repair
  • drug sensitivity
  • genome stability
  • metabolism
  • molecular target drugs
  • p53
  • senescence
  • stemness

Published Papers (1 paper)

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Research

15 pages, 5310 KiB  
Article
Transcriptional Coactivator TAZ Negatively Regulates Tumor Suppressor p53 Activity and Cellular Senescence
by Chiharu Miyajima, Yuki Kawarada, Yasumichi Inoue, Chiaki Suzuki, Kana Mitamura, Daisuke Morishita, Nobumichi Ohoka, Takeshi Imamura and Hidetoshi Hayashi
Cells 2020, 9(1), 171; https://doi.org/10.3390/cells9010171 - 09 Jan 2020
Cited by 17 | Viewed by 4261
Abstract
Transcriptional coactivator with a PDZ-binding motif (TAZ) is one of the mammalian orthologs of Drosophila Yorkie, a transcriptional coactivator of the Hippo pathway. TAZ has been suggested to function as a regulator that modulates the expression of cell proliferation and anti-apoptotic genes in [...] Read more.
Transcriptional coactivator with a PDZ-binding motif (TAZ) is one of the mammalian orthologs of Drosophila Yorkie, a transcriptional coactivator of the Hippo pathway. TAZ has been suggested to function as a regulator that modulates the expression of cell proliferation and anti-apoptotic genes in order to stimulate cell proliferation. TAZ has also been associated with a poor prognosis in several cancers, including breast cancer. However, the physiological role of TAZ in tumorigenesis remains unclear. We herein demonstrated that TAZ negatively regulated the activity of the tumor suppressor p53. The overexpression of TAZ down-regulated p53 transcriptional activity and its downstream gene expression. In contrast, TAZ knockdown up-regulated p21 expression induced by p53 activation. Regarding the underlying mechanism, TAZ inhibited the interaction between p53 and p300 and suppressed the p300-mediated acetylation of p53. Furthermore, TAZ knockdown induced cellular senescence in a p53-dependent manner. These results suggest that TAZ negatively regulates the tumor suppressor functions of p53 and attenuates p53-mediated cellular senescence. Full article
(This article belongs to the Special Issue Role of p53 in Cell Death and Cancers)
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