Cited by 35Cancer-related Molecular PathwaysUbiquitin and proteasome pathwaysMechanisms of cancer metastasis

The DOI matches its Crossref record; 35 of the 38 references it cites were found in a registry or an index.

Nutlin-3a Induces Cytoskeletal Rearrangement and Inhibits the Migration and Invasion Capacity of p53 Wild-Type Cancer Cells

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Moran, Diarmuid M., Maki, Carl G.·2010·Molecular Cancer Therapeutics

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Abstract

MDM2 is an E3 ubiquitin ligase that binds and ubiquitinates the tumor suppressor protein p53, leading to its proteasomal degradation. Nutlin-3a (Nutlin) is a preclinical drug that binds MDM2 and prevents the interaction between MDM2 and p53, leading to p53 stabilization and activation of p53 signaling events. Previous studies have reported that Nutlin promotes growth arrest and/or apoptosis in cancer cells that express wild-type p53. In the current study, Nutlin treatment caused a cytoskeletal rearrangement in p53 wild-type human cancer cells from multiple etiologies. Specifically, Nutlin decreased actin stress fibers and reduced the size and number of focal adhesions in treated cells. This process was dependent on p53 expression but was independent of p21 expression and growth arrest. Consistent with this, Nutlin-treated cells failed to form filamentous actin-based motility structures (lamellipodia) and displayed significantly decreased directional persistence in response to migratory cues. Finally, chemotactic assays showed a p53-dependent/p21-independent decrease in migratory and invasive capacity of Nutlin-treated cells. Taken together, these findings reveal that Nutlin treatment can inhibit the migration and invasion capacity of p53 wild-type cells, adding to the potential therapeutic benefit of Nutlin and other small molecule MDM2 inhibitors. Mol Cancer Ther; 9(4); 895-905. (c)2010 AACR.

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Metadata

Authors
Moran, D. M., & Maki, C. G.
Affiliations
  • Rush University Medical Center (US)
  • University of Chicago (US)
Corresponding author
Maki, Carl G.
Venue
Molecular Cancer Therapeutics
Published
2010-04-01
Volume
9
Issue
4
Pages
895-905
ISSN
  • 1535-7163 (ISSN-L)
  • 1538-8514
OpenAlex
W2108680269
Cited by
35
References
38
Citations by year
2026: 1 · 2025: 1 · 2024: 3 · 2023: 2 · 2022: 1 · 2021: 4 · 2020: 1 · 2018: 1 · 2017: 2 · 2016: 4 · 2015: 4 · 2013: 2 · 2012: 2
FWCI
1.74
Type
journal article
Language
en
Open access
Locations
  • Molecular Cancer Therapeutics (publishedVersion)
  • PubMed (publishedVersion)
  • Europe PMC (PubMed Central) (acceptedVersion)
  • PubMed Central (acceptedVersion)
Funders
  • National Institutes of Health (5r01ca137598-05)
  • National Cancer Institute (R01CA108843, R01 CA137598, 1R01CA137598-01A1)
Topics
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Ubiquitin and proteasome pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Mechanisms of cancer metastasis
Keywords
Nutlin-3a, MDM2 inhibitors, cytoskeletal rearrangement, stress fibers, focal adhesions, cell migration, cell invasion, chemotaxis, p53-MDM2 interaction
MeSH terms
Actins, Cell Movement, Cytoskeleton, Humans, Imidazoles, Neoplasm Invasiveness, Piperazines, Pseudopodia, Tumor Suppressor Protein p53, Focal Adhesions, Stress Fibers, Cell Line, Tumor, Cyclin-Dependent Kinase Inhibitor p21

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