Cited by 1,085Telomeres, Telomerase, and SenescenceGenetics, Aging, and Longevity in Model OrganismsCancer-related Molecular Pathways

Telomere dysfunction promotes non-reciprocal translocations and epithelial cancers in mice

Artandi, Steven E., Chang, Sandy, Lee, Shwu-Luan, Alson, Scott, Gottlieb, Geoffrey J., Chin, Lynda, DePinho, Ronald A.·2000·Nature

Abstract

Aged humans sustain a high rate of epithelial cancers such as carcinomas of the breast and colon, whereas mice carrying common tumour suppressor gene mutations typically develop soft tissue sarcomas and lymphomas. Among the many factors that may contribute to this species variance are differences in telomere length and regulation. Telomeres comprise the nucleoprotein complexes that cap the ends of eukaryotic chromosomes and are maintained by the reverse transcriptase, telomerase. In human cells, insufficient levels of telomerase lead to telomere attrition with cell division in culture and possibly with ageing and tumorigenesis in vivo. In contrast, critical reduction in telomere length is not observed in the mouse owing to promiscuous telomerase expression and long telomeres. Here we provide evidence that telomere attrition in ageing telomerase-deficient p53 mutant mice promotes the development of epithelial cancers by a process of fusion-bridge breakage that leads to the formation of complex non-reciprocal translocations--a classical cytogenetic feature of human carcinomas. Our data suggest a model in which telomere dysfunction brought about by continual epithelial renewal during life generates the massive ploidy changes associated with the development of epithelial cancers.

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Crossref · 10.1038/35020592

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Authors
Artandi, S. E., Chang, S., Lee, S.-L., Alson, S., Gottlieb, G. J., Chin, L., & DePinho, R. A.
Affiliations
  • Dana-Farber Cancer Institute (US)
  • Brigham and Women's Hospital (US)
  • Ackerman Academy of Dermatopathology (US)
  • Harvard University (US)
Corresponding author
DePinho, Ronald A.
Venue
Nature
Published
2000-08
Volume
406
Issue
6796
Pages
641-645
ISSN
  • 0028-0836 (ISSN-L)
  • 1476-4687
OpenAlex
W1676646253
Cited by
1,085
References
8
Citations by year
2026: 11 · 2025: 8 · 2024: 20 · 2023: 14 · 2022: 19 · 2021: 28 · 2020: 26 · 2019: 21 · 2018: 31 · 2017: 37 · 2016: 39 · 2015: 36 · 2014: 36 · 2013: 51 · 2012: 58
FWCI
40.01
Type
journal article
Language
en
Open access
closed
Locations
  • Nature (publishedVersion)
  • PubMed (publishedVersion)
  • RePEc: Research Papers in Economics (submittedVersion)
Funders
  • National Science Foundation
  • Universidad CES
  • National Institute on Aging (K08AG001019)
Topics
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Aging › Genetics, Aging, and Longevity in Model Organisms
  • Health Sciences › Medicine › Oncology › Cancer-related Molecular Pathways
Keywords
telomere dysfunction, non-reciprocal translocation, epithelial cancers, telomerase deficiency, telomere shortening, chromosomal instability, tumor suppressor, aging, carcinoma, ploidy changes, epithelial regeneration
MeSH terms
Adenocarcinoma, Aging, Animals, Disease Models, Animal, Female, Humans, Karyotyping, Lymphoma, Male, Mammary Neoplasms, Experimental, Mutation, Neoplasms, Glandular and Epithelial, Sarcoma, Experimental, Translocation, Genetic, Genes, p53, Telomere, Telomerase, Mice

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