Cited by 62Telomeres, Telomerase, and SenescenceSarcoma Diagnosis and TreatmentChromatin Remodeling and Cancer

Alternative lengthening of telomeres (ALT) influences survival in soft tissue sarcomas: a systematic review with meta-analysis

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Lawlor, Rita T., Veronese, Nicola, Pea, Antonio, Nottegar, Alessia, Smith, Lee, Pilati, Camilla, Demurtas, Jacopo, Fassan, Matteo +2 more·2019·BMC Cancer

Abstract

BACKGROUND: Alternative lengthening of telomeres (ALT) is a telomerase-independent mechanism used by a broad range of neoplasms to maintain telomere length, permitting uncontrolled replication during their progression. ALT has been described in different types of sarcoma, but a comprehensive analysis of its clinical significance is still lacking. Therefore, we provide here the first meta-analysis on this topic. METHODS: We searched SCOPUS and PubMed through July 2018 to identify all studies that investigated the prognostic role of ALT in sarcomas. We considered the risk of death (risk ratio, RR) calculated as the number of death vs. total participants during follow-up in ALT+ versus ALT- patients as the primary outcome. The secondary outcome was the hazard ratio (HR), adjusted for the maximum number of covariates available, using ALT- patients as reference. RESULTS: Eight articles comprising a total of 551 patients with sarcomas (226 ALT+ and 325 ALT-) were selected. The ALT+ group showed a higher mitotic count and a higher tumor grade compared with the ALT- group (p < 0.01). Furthermore, we demonstrate a strong impact of ALT on survival. In fact, ALT+ patients showed a statistically significant higher risk of death than ALT- patients, when also considering data from multivariate analyses (RR = 1.50; 95% CI: 1.15-1.96; p = 0.003; HR = 2.02; 95% CI: 1.22-3.38; p = 0.007). CONCLUSIONS: Our results indicate that ALT is associated with an increased risk of death in patients with sarcoma. In these neoplasms, ALT should be taken into account for a precise prognostic stratification and design of potential therapeutic strategies.

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  • Deletion of ATRX seems to activate alternative lengthening of telomeres and is associated with decreased survival in osteosarcoma.

    “deletion of ATRX, which seems to activate alternative lengthening of telomeres and is associated with decreased survival 36,43 .”

    From Osteosarcoma (2022) · cites this paper as [43]

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Authors
Lawlor, R. T., Veronese, N., Pea, A., Nottegar, A., Smith, L., Pilati, C., Demurtas, J., Fassan, M., Cheng, L., & Luchini, C.
Affiliations
  • University of Verona (IT)
  • National Research Council (IT)
  • Ospedale San Bortolo (IT)
  • Anglia Ruskin University (GB)
  • Université Paris Descartes (FR)
Corresponding author
Luchini, Claudio
Venue
BMC Cancer
Published
2019-03-14
Volume
19
Issue
1
Pages
232-232
ISSN
1471-2407 (ISSN-L)
OpenAlex
W2933488927
Cited by
62
References
51
Citations by year
2026: 9 · 2025: 7 · 2024: 8 · 2023: 9 · 2022: 7 · 2021: 8 · 2020: 9 · 2019: 5
FWCI
0.85
Type
journal article
Language
en
Open access
Locations
  • BMC Cancer (publishedVersion, cc-by)
  • Europe PMC (PubMed Central) (publishedVersion, other-oa)
  • PubMed Central (publishedVersion, cc-by)
  • PubMed (publishedVersion)
  • DOAJ (DOAJ: Directory of Open Access Journals) (submittedVersion, cc-by-sa)
  • Nova Science Publishers (Nova Science Publishers, Inc.) (submittedVersion, other-oa)
  • IUScholarWorks (Indiana University) (submittedVersion, cc-by)
  • Purdue University Indianapolis (Indiana University) (submittedVersion, public-domain)
  • Purdue University Indianapolis (Indiana University) (submittedVersion, cc-by)
  • Padua Research Archive (University of Padova) (submittedVersion, cc-by)
Funders
  • Cassini Project 2017
  • Fondazione Italiana per la Ricerca sul Cancro (12182)
Topics
  • Health Sciences › Medicine › Physiology › Telomeres, Telomerase, and Senescence
  • Health Sciences › Medicine › Pulmonary and Respiratory Medicine › Sarcoma Diagnosis and Treatment
  • Life Sciences › Biochemistry, Genetics and Molecular Biology › Molecular Biology › Chromatin Remodeling and Cancer
Keywords
alternative lengthening of telomeres, soft tissue sarcoma, telomere maintenance, survival, mortality risk, prognostic factors, mitotic count, tumor grade
MeSH terms
Humans, Middle Aged, Prognosis, Sarcoma, Proportional Hazards Models, Survival Analysis, Telomere, Risk Assessment, Telomere Homeostasis

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