Evidence map›Paper›PMID 21827714›Full record

ArticleBMC medical genomics2011

Identification of candidate genes linking systemic inflammation to atherosclerosis; results of a human in vivo LPS infusion study.

Suthesh Sivapalaratnam, Rosienne Farrugia, Max Nieuwdorp, Cordelia F Langford, Rachel T van Beem, Stephanie Maiwald, Jaap Jan Zwaginga, Arief Gusnanto, Nicholas A Watkins, Mieke D Trip and 1 more

Open access · goldAbstract read
In one paragraph

Article in BMC medical genomics, 2011. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 13 papers.

0numbers the graph read from it
0cells of the map it votes in
13citing papers in PubMed
1.4field-weighted citation impact, top 20% 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

13 citing papers in PubMed, 31 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

11 authors at 7 institutions in 3 countries.

Suthesh SivapalaratnamDepartment of Vascular Medicine, Academic Medical Center, Meibergdreef 15, 1105 AZ, Amsterdam, The Netherlands. s.sivapalaratnam@amc.uva.nl
Rosienne Farrugia
Max Nieuwdorp
Cordelia F Langford
Rachel T van Beem
Stephanie Maiwald
Jaap Jan Zwaginga
Arief Gusnanto
Nicholas A Watkins
Mieke D Trip
Willem H Ouwehand
Academic Medical Center · NLSanquin · NLUniversity of Cambridge · GBNational Health Service · GBUniversity of Amsterdam · NLUniversity of Leeds · GBWellcome Sanger Institute · GB

Funding

British Heart Foundation RG/09/012/28096
6 · The paper itself

Abstract

backgroundIt is widely accepted that atherosclerosis and inflammation are intimately linked. Monocytes play a key role in both of these processes and we hypothesized that activation of inflammatory pathways in monocytes would lead to, among others, proatherogenic changes in the monocyte transcriptome. Such differentially expressed genes in circulating monocytes would be strong candidates for further investigation in disease association studies.

methodsEndotoxin, lipopolysaccharide (LPS), or saline control was infused in healthy volunteers. Monocyte RNA was isolated, processed and hybridized to Hver 2.1.1 spotted cDNA microarrays. Differential expression of key genes was confirmed by RT-PCR and results were compared to in vitro data obtained by our group to identify candidate genes.

resultsAll subjects who received LPS experienced the anticipated clinical response indicating successful stimulation. One hour after LPS infusion, 11 genes were identified as being differentially expressed; 1 down regulated and 10 up regulated. Four hours after LPS infusion, 28 genes were identified as being differentially expressed; 3 being down regulated and 25 up regulated. No genes were significantly differentially expressed following saline infusion. Comparison with results obtained in in vitro experiments lead to the identification of 6 strong candidate genes (BATF, BID, C3aR1, IL1RN, SEC61B and SLC43A3)

conclusionIn vivo endotoxin exposure of healthy individuals resulted in the identification of several candidate genes through which systemic inflammation links to atherosclerosis.

Indexed as

AtherosclerosisGene Expression RegulationHumansInflammationInjections, IntravenousLipopolysaccharidesMaleMonocytesOligonucleotide Array Sequence AnalysisYoung AdultLipopolysaccharides

Identifiers

PMID21827714
PMCPMC3174875
OpenAlexW2101715779

What OpenQuestion holds

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Registered trials

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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.