Evidence map›Paper›PMID 23145530›Full record

ArticleBMC genomics2012

Cell population-specific expression analysis of human cerebellum.

Alexandre Kuhn, Azad Kumar, Alexandra Beilina, Allissa Dillman, Mark R Cookson, Andrew B Singleton

Open access · goldAbstract read
In one paragraph

Article in BMC genomics, 2012. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 32 papers.

0numbers the graph read from it
0cells of the map it votes in
32citing papers in PubMed
0.7field-weighted citation impact, top 31% 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

32 citing papers in PubMed, 54 citations in OpenAlex.

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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

6 authors at 3 institutions in 2 countries.

Alexandre KuhnLaboratory of Neurogenetics, National Institute on Aging, National Institutes of Health, Bethesda, MD, USA. alexandre.m.kuhn@gmail.com
Azad Kumar
Alexandra Beilina
Allissa Dillman
Mark R Cookson
Andrew B Singleton
National Institutes of Health · USNational Institute on Aging · USAgency for Science, Technology and Research · SG

Funding

Gene expression in the human brainZIAAG000947 · NIA · NATIONAL INSTITUTE ON AGING · PI COOKSON, MARK · 2009 to 2025
$7.2M
Intramural NIH HHS
6 · The paper itself

Abstract

backgroundInterpreting gene expression profiles obtained from heterogeneous samples can be difficult because bulk gene expression measures are not resolved to individual cell populations. We have recently devised Population-Specific Expression Analysis (PSEA), a statistical method that identifies individual cell types expressing genes of interest and achieves quantitative estimates of cell type-specific expression levels. This procedure makes use of marker gene expression and circumvents the need for additional experimental information like tissue composition.

resultsTo systematically assess the performance of statistical deconvolution, we applied PSEA to gene expression profiles from cerebellum tissue samples and compared with parallel, experimental separation methods. Owing to the particular histological organization of the cerebellum, we could obtain cellular expression data from in situ hybridization and laser-capture microdissection experiments and successfully validated computational predictions made with PSEA. Upon statistical deconvolution of whole tissue samples, we identified a set of transcripts showing age-related expression changes in the astrocyte population.

conclusionsPSEA can predict cell-type specific expression levels from tissues homogenates on a genome-wide scale. It thus represents a computational alternative to experimental separation methods and allowed us to identify age-related expression changes in the astrocytes of the cerebellum. These molecular changes might underlie important physiological modifications previously observed in the aging brain.

Indexed as

Gene Expression ProfilingAdolescentAdultAgedAgingCerebellumHumansMiddle AgedRNA, MessengerStatistics as TopicYoung AdultRNA, Messenger

Identifiers

PMID23145530
PMCPMC3561119
OpenAlexW2117499730

What OpenQuestion holds

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LicenceCC BY
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.