ArticleiScience2024
Distinct modes of telomere synthesis and extension contribute to Alternative Lengthening of Telomeres.
Article in iScience, 2024. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 10 papers.
What it found
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Who cites it
10 citing papers in PubMed, 13 citations in OpenAlex.
- Kinetic Control of Condensate Function: How the Formation Dynamics of APBs Influence ALT Cancer Telomere Length Heterogeneity.BioEssays : news and reviews in molecular, cellular and developmental biology · 2026Review
- Local heterochromatin enrichment promotes telomere clustering and PML nuclear body assembly at telomeres.Cell reports · 2026Article
- The alternative lengthening of telomeres pathway through a DNA repair lens: mechanism and therapeutic opportunities.NAR cancer · 2025Review
- Leishmania mexicana telomeres at high resolution: Ku80, TERT, and alternative lengthening mechanisms.BMC genomics · 2025Article
- Distinct mechanisms underlying extrachromosomal telomere DNA generation in ALT cancers.Nucleic acids research · 2025Article
- TERRA R-loops trigger a switch in telomere maintenance towards break-induced replication and PRIMPOL-dependent repair.The EMBO journal · 2025Article
- Loss of function ofiScience · 2025Article
- Telomere Maintenance Pathways in Lower-Grade Gliomas: Insights from Genetic Subtypes and Telomere Length Dynamics.International journal of molecular sciences · 2025Article
- Biomolecular Condensates in Telomere Maintenance of ALT Cancer Cells.Journal of molecular biology · 2025Review
- Locking the gates of immortality: targeting alternative lengthening of telomeres (ALT) pathways.Medical oncology (Northwood, London, England) · 2025Review
Corrections and comments
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Authors and funding
6 authors at 1 institution in 1 country.
Funding
No grant is acknowledged in the PubMed record.
Abstract
Alternative lengthening of telomeres (ALT) is a homology-directed repair mechanism that becomes activated in a subset of cancers to maintain telomere length. One of the defining features of ALT cells is the prevalence of extrachromosomal telomeric repeat (ECTR) DNA. Here, we identify that ALT cells engage in two modes of telomere synthesis. Non-productive telomere synthesis occurs during the G2 phase of the cell cycle and is characterized by newly synthesized internal telomeric regions that are not retained in the subsequent G1, coinciding with an induction of ECTR DNA. Productive telomere synthesis occurs specifically during the transition from G2 to mitosis and is defined as the extension of the telomere termini. While many proteins associated with break-induced telomere synthesis function in both non-productive and productive telomere synthesis, POLH specifically promotes productive telomere lengthening and suppresses non-productive telomere synthesis. These findings delineate the mechanism and cell cycle regulation of ALT-mediated telomere synthesis and extension.
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Registered trials
Read under generation 80e0d062 · epoch 390. Bibliography from PubMed, PubMed Central and OpenAlex; grants from NIH RePORTER; trial links from ClinicalTrials.gov; estimates, votes and beliefs from the OpenQuestion graph.