Evidence map›Paper›PMID 19760258›Full record

ArticleNeurogenetics2010

Intratumoral patterns of clonal evolution in gliomas.

Ana Luísa Vital, Maria Dolores Tabernero, Inês Crespo, Olinda Rebelo, Hermínio Tão, Fernando Gomes, Maria Celeste Lopes, Alberto Orfao

Abstract read
PubMed Publisher
In one paragraph

Article in Neurogenetics, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 16 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
16citing papers in PubMed, 1 pooled it
1.2field-weighted citation impact, top 22% 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

16 citing papers in PubMed, 1 synthesis or guideline pooled it, 25 citations in OpenAlex.

  1. Pooled it
  2. Article
  3. The Glioblastoma CircularRNAome.International journal of molecular sciences · 2023
    Review
  4. Review
  5. Review
  6. HeterogeneousCancers · 2020
    Article
  7. Article
  8. Article
  9. Article
  10. Article
  11. Review
  12. Article
  13. Article
  14. Article
  15. Article
  16. Review
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

8 authors at 3 institutions in 2 countries.

Ana Luísa VitalCentre for Neuroscience and Cell Biology, University of Coimbra, Coimbra, Portugal.
Maria Dolores Tabernero
Inês Crespo
Olinda Rebelo
Hermínio Tão
Fernando Gomes
Maria Celeste Lopes
Alberto Orfao
University of Coimbra · PTCentro de Investigación del Cáncer · ESInstituto de Estudios de Ciencias de la Salud de Castilla y León · ES

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Few studies have explored the patterns of clonal evolution in gliomas. Here, we investigate the cytogenetic patterns of intratumoral clonal evolution of gliomas and their impact on tumor histopathology and patient survival. Cytogenetic analysis of 90 gliomas was performed in individual tumor cells (>200 cells/tumor) using multicolor (N = 16 probes) interphase-FISH. Overall, chromosome gains were more frequent than chromosome losses. Gains of chromosome 7 and/or EGFR amplification were detected in 91% of the cases, whereas del(9p21) (77%) and del(10q23) (78%) were the most frequent chromosome losses. Virtually, all cases (99%) showed >or=2 tumor cell clones, with higher numbers among high- versus low-grade gliomas (p = 0.001). Nine different cytogenetic patterns were found in the ancestral tumor clones. In most gliomas, ancestral clones showed abnormalities of chromosome 7, 9p, and/or 10q and cytogenetic evolution consisted of acquisition of additional abnormalities followed by tetraploidization. Conversely, early tetraploidization was associated with low-grade astrocytomas-2/3 pilocytic and 3/6 grade II diffuse astrocytomas-and combined loss of 1p36/19q13 with oligodendrogliomas, respectively; both aberrations were associated with a better patient outcome (p = 0.03). Overall, our results support the existence of different pathways of intratumoral evolution in gliomas.

Indexed as

Cytogenetic AnalysisAdultAgedAged, 80 and overChromosome AberrationsFemaleGliomaHumansMaleMiddle AgedSurvival RateYoung Adult

Identifiers

PMID19760258
OpenAlexW1996577846

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.