Evidence map›Paper›PMID 18697953›Full record

ArticleNeuro-oncology2008

Prevalence of copy-number neutral LOH in glioblastomas revealed by genomewide analysis of laser-microdissected tissues.

Daisuke Kuga, Masahiro Mizoguchi, Yanlei Guan, Nobuhiro Hata, Koji Yoshimoto, Tadahisa Shono, Satoshi O Suzuki, Yoji Kukita, Tomoko Tahira, Shinji Nagata and 2 more

Abstract read
In one paragraph

Article in Neuro-oncology, 2008. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 19 papers, 1 of them a synthesis that pooled it.

0numbers the graph read from it
0cells of the map it votes in
19citing papers in PubMed, 1 pooled it
–field-weighted citation impact
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

19 citing papers in PubMed, 1 synthesis or guideline pooled it.

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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

12 authors.

Daisuke KugaDepartment of Neurosurgery, Medical Institute of Bioregulation, Kyushu University, Fukuoka, Japan.
Masahiro Mizoguchi
Yanlei Guan
Nobuhiro Hata
Koji Yoshimoto
Tadahisa Shono
Satoshi O Suzuki
Yoji Kukita
Tomoko Tahira
Shinji Nagata
Tomio Sasaki
Kenshi Hayashi

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

We have employed a laser-capture microdissection technique and single-nucleotide polymorphism arrays to characterize genomic alterations associated with the development of glioblastoma multiforme (GBM). Combined analysis of loss of heterozygosity (LOH) and copy number revealed that more than half (56.3%) of the 254 identified LOH loci showed no copy-number alteration, indicating the presence of copy-number neutral LOH (cnLOH). Furthermore, we found a GBM case that showed cnLOH in 18 of the 22 autosomes. These results were confirmed by quantitative real-time PCR, microsatellite analysis, and fluorescence in situ hybridization. The high rate of cnLOH suggests that epigenetic abnormalities of many genes are involved in the development and progression of GBMs.

Indexed as

Gene DosageLoss of HeterozygosityAdultAgedBrain NeoplasmsChildFemaleGlioblastomaHumansIn Situ Hybridization, FluorescenceLasersMaleMicrodissectionMicrosatellite RepeatsMiddle AgedPolymorphism, Single Nucleotide

Identifiers

PMID18697953
PMCPMC2719013

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.