Role of PML and the PML-nuclear body in the control of programmed cell death

Rosa Bernardi, Pier Paolo Pandolfi

Research output: Contribution to journalArticle

147 Citations (Scopus)

Abstract

PML is a tumor suppressor implicated in leukemia and cancer pathogenesis. PML epitomizes a multiprotein nuclear structure, the PML-nuclear body (PML-NB), whose proper formation and function depends on PML. Studies in knockout (KO) mice and cells unraveled an essential pleiotropic role for PML in multiple p53-dependent and -independent apoptotic pathways. As a result, Pml -/- mice and cells are protected from apoptosis triggered by a number of stimuli such as ionizing radiation, interferon, ceramide, Fas and TNF. It is becoming apparent that PML and the PML-NB act as molecular hubs for the induction and/or reinforcement of programmed cell death through a selective and dynamic regulation of proapoptotic transcriptional events. In addition, recent observations propose a role for PML in checkpoint responses upon DNA damage. Moreover, PML and the PML-NB have also been implicated in the control of genomic stability and DNA repair. Here, we will discuss the molecular mechanisms by which PML regulates these processes and the implication of these findings for cancer pathogenesis and therapy.

Original languageEnglish
Pages (from-to)9048-9057
Number of pages10
JournalOncogene
Volume22
Issue number56 REV. ISS. 8
DOIs
Publication statusPublished - Dec 8 2003

Fingerprint

Cell Death
Neoplasms
Genomic Instability
Ceramides
Ionizing Radiation
Knockout Mice
DNA Repair
Interferons
DNA Damage
Leukemia
Apoptosis
Therapeutics

Keywords

  • APL
  • Apoptosis
  • Cancer
  • PML-nuclear body
  • Transcription
  • Transcription factors
  • Tumor suppression

ASJC Scopus subject areas

  • Cancer Research
  • Genetics
  • Molecular Biology

Cite this

Role of PML and the PML-nuclear body in the control of programmed cell death. / Bernardi, Rosa; Pandolfi, Pier Paolo.

In: Oncogene, Vol. 22, No. 56 REV. ISS. 8, 08.12.2003, p. 9048-9057.

Research output: Contribution to journalArticle

Bernardi, Rosa ; Pandolfi, Pier Paolo. / Role of PML and the PML-nuclear body in the control of programmed cell death. In: Oncogene. 2003 ; Vol. 22, No. 56 REV. ISS. 8. pp. 9048-9057.
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