Evidence map›Paper›PMID 16611406›Full record

ArticleNeoplasia (New York, N.Y.)2006

The role of telomere maintenance in the spontaneous growth arrest of pediatric low-grade gliomas.

Uri Tabori, Bisera Vukovic, Maria Zielenska, Cynthia Hawkins, Ilan Braude, James Rutka, Eric Bouffet, Jeremy Squire, David Malkin

Open access · goldAbstract read
In one paragraph

Article in Neoplasia (New York, N.Y.), 2006. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 41 papers.

0numbers the graph read from it
0cells of the map it votes in
41citing papers in PubMed
3.4field-weighted citation impact, top 8% of its field
1 · What the graph read from it

What it found

Each row is one number read from the abstract, on the scale the paper reported it, with its interval. Left of the dashed line favours the treatment, right favours the comparator. Under each row is the sentence it came from. New to these charts? A ten-minute tutorial.

The abstract states no effect estimate the extractor could read, or names no intervention and outcome on the map, so this paper lights no cell and moves no belief. It is still indexed, cited and linked below.

2 · The registry

The trial behind it

Trials whose registry record cites this paper, or whose number appears in the abstract. A trial that started after this paper was published is citing it as background, not reporting it.

Neither the registry nor the abstract names a trial number. If this is a trial report, that itself is worth knowing.

3 · Its place in the literature

Who cites it

41 citing papers in PubMed, 85 citations in OpenAlex.

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  12. Telomere Maintenance in Pediatric Cancer.International journal of molecular sciences · 2019
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4 · The record

Corrections and comments

PubMed lists nothing against this paper. Absence here is not a guarantee, only a check that was made.

5 · Who and what money

Authors and funding

9 authors at 4 institutions in 1 country.

Uri TaboriDivision of Hematology/Oncology, Department of Pediatrics, University of Toronto, Toronto, Ontario, Canada.
Bisera Vukovic
Maria Zielenska
Cynthia Hawkins
Ilan Braude
James Rutka
Eric Bouffet
Jeremy Squire
David Malkin
University of Toronto · CAHospital for Sick Children · CASickKids Foundation · CAOntario Institute for Cancer Research · CA

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Spontaneous tumor regression of pediatric low-grade gliomas (PLGG). We speculated that lack of telomere maintenance is responsible for this behavior. We first looked for evidence of telomerase activity and alternative lengthening of telomeres (ALT) in 56 PLGG. Telomerase activity was observed in 0 of 11 PLGG, in contrast to 10 of 13 high-grade pediatric brain tumors. There was no ALT in 45 of 45 samples. We then applied Q-FISH to eight patients whose indolent PLGG underwent two metachronous biopsies over a lag of several years. Telomere shortening was observed in the second biopsy in all tumors, but not in normal brain control (P < .0001), indicating that lack of telomere maintenance is associated with continuous telomere erosion. Based on these observations, we found that younger PLGG patients, who exhibit more aggressive and frequently recurrent tumors, had significantly longer telomeres than older ones (P = .00014). Tumors with a terminal restriction fragment length <7.5 did not recur, whereas the presence of longer telomeres (>8.0) conferred a high likelihood of late recurrences in PLGG. Our findings provide a plausible biologic mechanism to explain the tendency of PLGG to exhibit growth arrest and spontaneous regression. Telomere maintenance may therefore represent the first known biologic prognostic marker in PLGG.

Indexed as

Neoplasm Regression, SpontaneousAstrocytomaBiopsyBrain NeoplasmsCell DivisionChildDNA, NeoplasmEnzyme-Linked Immunosorbent AssayEpendymomaGliomaHumansIn Situ Hybridization, FluorescencePolymerase Chain ReactionTelomeraseTelomereDNA, NeoplasmTelomerase

Identifiers

PMID16611406
PMCPMC1578515
OpenAlexW2138319766

What OpenQuestion holds

Textmetadata
Read underepoch 390

Registered trials

None linked

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.