Differential requirement for p19ARF in the p53-dependent arrest induced by DNA damage, microtubule disruption, and ribonucleotide depletion

SH Khan, J Moritsugu, GM Wahl - Proceedings of the …, 2000 - National Acad Sciences
p19ARF has been implicated as a key regulator of p53 stability and activation. While
numerous stresses activate the p53 growth arrest pathway, those requiring p19ARF remain …

p19ARF is dispensable for oncogenic stress-induced p53-mediated apoptosis and tumor suppression in vivo

D Tolbert, X Lu, C Yin, M Tantama… - Molecular and cellular …, 2002 - Am Soc Microbiol
Recent studies have shown the p19 ARF tumor suppressor to be involved in the response to
oncogenic stress by regulating the activity of p53. This response is mediated by …

Functional and physical interactions of the ARF tumor suppressor with p53 and Mdm2

T Kamijo, JD Weber, G Zambetti… - Proceedings of the …, 1998 - National Acad Sciences
The INK4a-ARF locus encodes two proteins, p16INK4a and p19ARF, that restrain cell
growth by affecting the functions of the retinoblastoma protein and p53, respectively …

p14ARF is a component of the p53 response following ionizing irradiation of normal human fibroblasts

S Khan, C Guevara, G Fujii, D Parry - Oncogene, 2004 - nature.com
Ionizing radiation leads to rapid stabilization and activation of the p53 tumor suppressor.
Previous reports demonstrate that murine p19ARF cooperates with p53 in the cellular …

p53-independent apoptosis is induced by the p19ARF tumor suppressor

K Tsuji, K Mizumoto, H Sudo, K Kouyama… - Biochemical and …, 2002 - Elsevier
p19ARF is a potent tumor suppressor. By inactivating Mdm2, p19ARF upregulates p53
activities to induce cell cycle arrest and sensitize cells to apoptosis in the presence of …

p19ARF links the tumour suppressor p53 to Ras

I Palmero, C Pantoja, M Serrano - Nature, 1998 - nature.com
Normal healthy cells possess safeguard mechanisms that sense oncogenic signals and
trigger anti-tumorigenic responses that limit the proliferative potential of cells harbouring …

p19ARF targets certain E2F species for degradation

F Martelli, T Hamilton, DP Silver… - Proceedings of the …, 2001 - National Acad Sciences
p19ARF suppresses the growth of cells lacking p53 through an unknown mechanism.
p19ARF was found to complex with transcription factors E2F1,-2, and-3. Levels of …

Regulation of p14ARF through subnuclear compartmentalization

RA Gjerset, K Bandyopadhyay - Cell Cycle, 2006 - Taylor & Francis
The p53-mediated pathway cell cycle arrest and apoptosis is central to cancer and an
important point of focus for therapeutics development. The p14ARF (" ARF") tumor …

Enforced expression of p14ARF induces p53-dependent cell cycle arrest but not apoptosis

S Gallagher, RF Kefford, H Rizos - Cell Cycle, 2005 - Taylor & Francis
Expression of the p14ARF tumour suppressor is induced by hyperproliferative signals
produced by RAS, MYC and other oncogenes. p14ARF quenches inappropriate mitogenic …

N-terminal polyubiquitination and degradation of the Arf tumor suppressor

ML Kuo, W den Besten, D Bertwistle… - Genes & …, 2004 - genesdev.cshlp.org
Unknown mechanisms govern degradation of the p19Arf tumor suppressor, an activator of
p53 and inhibitor of ribosomal RNA processing. Kinetic metabolic labeling of cells with [3H] …