Cited by 48Telomeres, Telomerase, and SenescenceCancer-related Molecular PathwaysDNA Repair Mechanisms

The Rb-Related p130 Protein Controls Telomere Lengthening through an Interaction with a Rad50-Interacting Protein, RINT-1

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Kong, Ling-Jie, Meloni, Alison R., Nevins, Joseph R.·2006·Molecular Cell

Abstract

The oncogenic process often leads to a loss of normal telomere length control, usually as a result of activation of telomerase. Nevertheless, there are also telomerase-independent events that involve a Rad50-dependent recombination mechanism to maintain telomere length. Previous work has implicated the Rb family of proteins in the control of telomere length, and we now demonstrate that the p130 member of the Rb family is critical for telomere length control. p130 interacts specifically with the RINT-1 protein, previously identified as a Rad50-interacting protein. We further show that RINT-1 is essential for telomere length control. We propose that p130, forming a complex with Rad50 through RINT-1, blocks telomerase-independent telomere lengthening in normal cells. Given previous work implicating E2F in the control of telomerase gene expression, these results thus point to complementary roles for the Rb/E2F pathway in the control of telomere length.

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Crossref · 10.1016/j.molcel.2006.02.016

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  • The RB family transmits signals that induce senescence in cells with shortened telomeres.

    “Furthermore, the RB family controls the length of telomeres and mediates the cellular signals to induce senescence in cells with shortened telomeres125–127.”
  • The RB family regulates telomere length.

    “Furthermore, the RB family controls the length of telomeres and mediates the cellular signals to induce senescence in cells with shortened telomeres125–127.”

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Authors
Kong, L.-J., Meloni, A. R., & Nevins, J. R.
Affiliations
Duke University (US)
Corresponding author
Nevins, Joseph R.
Venue
Molecular Cell
Publisher
Elsevier BV
Published
2006-04
Volume
22
Issue
1
Pages
63-71
ISSN
1097-2765 (ISSN-L)
OpenAlex
W2030132370
Cited by
48
References
58
Citations by year
2026: 1 · 2025: 2 · 2024: 5 · 2023: 3 · 2022: 2 · 2021: 2 · 2020: 2 · 2018: 1 · 2017: 2 · 2016: 3 · 2015: 1 · 2014: 3 · 2013: 3 · 2012: 6
FWCI
1.99
Type
journal article
Language
en
Open access
Locations
  • Molecular Cell (publishedVersion)
  • PubMed (publishedVersion)
Topics
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › DNA Repair Mechanisms
Keywords
p130, Rb family proteins, telomere length control, RAD50, E2F transcription factors, tumor suppressor proteins
MeSH terms
Cells, Cultured, DNA-Binding Proteins, Humans, Saccharomyces cerevisiae, Telomere, Cell Cycle Proteins, Telomerase, Two-Hybrid System Techniques, RNA, Small Interfering, Immunoprecipitation, Retinoblastoma-Like Protein p130

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