Evidence map›Paper›PMID 26323991›Full record

ArticleActa neuropathologica2015

Genetic, epigenetic, and molecular landscapes of multifocal and multicentric glioblastoma.

Qun Liu, Yuexin Liu, Wenliang Li, Xiaoguang Wang, Raymond Sawaya, Frederick F Lang, W K Alfred Yung, Kexin Chen, Gregory N Fuller, Wei Zhang

Open access · greenAbstract read
In one paragraph

Article in Acta neuropathologica, 2015. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 43 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
43citing papers in PubMed, 1 pooled it
4.3field-weighted citation impact, top 5% 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

43 citing papers in PubMed, 1 synthesis or guideline pooled it, 80 citations in OpenAlex.

  1. Pooled it
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  9. Dose escalation with simultaneous integrated boost for un-methylated multiple glioblastoma.Reports of practical oncology and radiotherapy : journal of Greatpoland Cancer Center in Poznan and Polish Society of Radiation Oncology · 2024
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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

10 authors at 2 institutions in 2 countries.

Qun LiuDepartment of Pathology, Unit 85, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX, 77030, USA.
Yuexin LiuDepartment of Pathology, Unit 85, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX, 77030, USA.
Wenliang LiDepartment of Neurosurgery, Key Laboratory of Cancer Prevention and Therapy of Tianjin, National Clinical Research Center for Cancer, Tianjin Medical University Cancer Hospital and Institute, Tianjin, People's Republic of China.
Xiaoguang WangDepartment of Neurosurgery, Key Laboratory of Cancer Prevention and Therapy of Tianjin, National Clinical Research Center for Cancer, Tianjin Medical University Cancer Hospital and Institute, Tianjin, People's Republic of China.
Raymond SawayaDepartment of Neurosurgery, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
Frederick F LangDepartment of Neurosurgery, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
W K Alfred YungDepartment of Neuro-Oncology, The University of Texas MD Anderson Cancer Center, Houston, TX, USA.
Kexin ChenDepartment of Epidemiology and Biostatistics, Key Laboratory of Cancer Prevention and Therapy of Tianjin, National Clinical Research Center for Cancer, Tianjin Medical University Cancer Hospital and Institute, Tianjin, People's Republic of China.
Gregory N FullerDepartment of Pathology, Unit 85, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX, 77030, USA.
Wei ZhangDepartment of Pathology, Unit 85, The University of Texas MD Anderson Cancer Center, 1515 Holcombe Blvd., Houston, TX, 77030, USA. wzhang@mdanderson.org.
The University of Texas MD Anderson Cancer Center · USTianjin Medical University Cancer Institute and Hospital · CN

Funding

Tumor Evolution and Metastasis ProgramP30CA016672 · NCI · UNIVERSITY OF TX MD ANDERSON CAN CTR · PI Scott Kopetz · 1985 to 2026
$290.8M
Center for Systems Analysis of the Cancer RegulomeU24CA143835 · NCI · INSTITUTE FOR SYSTEMS BIOLOGY · PI SHMULEVICH, ILYA · 2009 to 2016
$10.6M
Oncogene cooperation in glioma genesisR01CA141432 · NCI · UNIVERSITY OF TX MD ANDERSON CAN CTR · PI FULLER, GREGORY NEAL, ZHANG, WEI · 2010 to 2014
$1.6M
NCI NIH HHS CA09850305NCI NIH HHS CA141432NCI NIH HHS CA16672NCI NIH HHS P30 CA016672NCI NIH HHS R01 CA141432NCI NIH HHS U24 CA143835NCI NIH HHS U24CA143835
6 · The paper itself

Abstract

Ten to twenty percent of newly diagnosed glioblastoma (GBM) patients initially present with multiple lesions, termed multifocal or multicentric GBM (M-GBM). The prognosis of these patients is poorer than that of solitary GBM (S-GBM) patients. However, it is unknown whether multifocality has a genetic, epigenetic, or molecular basis. Here, we identified the genetic and epigenetic characteristics of M-GBM by performing a comprehensive analysis of multidimensional data, including imaging, genetic, epigenetic, and gene expression profiles, from 30 M-GBM cases in The Cancer Genome Atlas database and comparing the results with those of 173 S-GBM cases. We found that M-GBMs had no IDH1, ATRX, or PDGFRA mutations and were significantly associated with the mesenchymal subtype. We also identified the CYB5R2 gene to be hypo-methylated and overexpressed in M-GBMs. The expression level of CYB5R2 was significantly associated with patient survival in two major independent GBM cohorts, totaling 758 cases. The IDH1 mutation was markedly associated with CYB5R2 promoter methylation, but the survival influence of CYB5R2 was independent of IDH1 mutation status. CYB5R2 expression was significantly associated with collagen maturation and the catabolic process and immunoregulation pathways. These results reveal that M-GBMs have some underlying genetic and epigenetic characteristics that are associated with poor prognosis and that CYB5R2 is a new epigenetic marker for GBM prognosis.

Indexed as

Epigenesis, GeneticMutationBrainBrain NeoplasmsCohort StudiesDatabases, FactualDNA HelicasesDNA MethylationFemaleGene Expression ProfilingGlioblastomaHumansIsocitrate DehydrogenaseMagnetic Resonance ImagingMaleMiddle AgedATRX protein, humanDNA HelicasesIDH1 protein, humanIsocitrate DehydrogenaseNuclear ProteinsX-linked Nuclear ProteinCytochrome b5 reductase 2DNA methylationIsocitrate dehydrogenase 1Magnetic resonance imagingMulticentric gliomaMultifocal gliomaMutation

Identifiers

PMID26323991
PMCPMC4776337
OpenAlexW1853055195

What OpenQuestion holds

Textmetadata
LicenceTDM
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.