Evidence map›Paper›PMID 20739924›Full record

ArticleMolecular systems biology2010

microRNA-122 as a regulator of mitochondrial metabolic gene network in hepatocellular carcinoma.

Julja Burchard, Chunsheng Zhang, Angela M Liu, Ronnie T P Poon, Nikki P Y Lee, Kwong-Fai Wong, Pak C Sham, Brian Y Lam, Mark D Ferguson, George Tokiwa and 8 more

Abstract read
In one paragraph

Article in Molecular systems biology, 2010. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 128 papers, 2 of them syntheses that pooled it.

0numbers the graph read from it
0cells of the map it votes in
128citing papers in PubMed, 2 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

128 citing papers in PubMed, 2 syntheses or guidelines pooled it.

  1. Pooled it
  2. Pooled it
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68 more citing papers are in PubMed but not listed here.

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

18 authors.

Julja BurchardRosetta Inpharmatics LLC, a wholly-owned subsidiary of Merck and Co., Inc., Seattle, WA, USA.
Chunsheng Zhang
Angela M Liu
Ronnie T P Poon
Nikki P Y Lee
Kwong-Fai Wong
Pak C Sham
Brian Y Lam
Mark D Ferguson
George Tokiwa
Ryan Smith
Brendan Leeson
Rebecca Beard
John R Lamb
Lee Lim
Mao Mao
Hongyue Dai
John M Luk

Funding

No grant is acknowledged in the PubMed record.

6 · The paper itself

Abstract

Tumorigenesis involves multistep genetic alterations. To elucidate the microRNA (miRNA)-gene interaction network in carcinogenesis, we examined their genome-wide expression profiles in 96 pairs of tumor/non-tumor tissues from hepatocellular carcinoma (HCC). Comprehensive analysis of the coordinate expression of miRNAs and mRNAs reveals that miR-122 is under-expressed in HCC and that increased expression of miR-122 seed-matched genes leads to a loss of mitochondrial metabolic function. Furthermore, the miR-122 secondary targets, which decrease in expression, are good prognostic markers for HCC. Transcriptome profiling data from additional 180 HCC and 40 liver cirrhotic patients in the same cohort were used to confirm the anti-correlation of miR-122 primary and secondary target gene sets. The HCC findings can be recapitulated in mouse liver by silencing miR-122 with antagomir treatment followed by gene-expression microarray analysis. In vitro miR-122 data further provided a direct link between induction of miR-122-controlled genes and impairment of mitochondrial metabolism. In conclusion, miR-122 regulates mitochondrial metabolism and its loss may be detrimental to sustaining critical liver function and contribute to morbidity and mortality of liver cancer patients.

Indexed as

Gene Expression Regulation, NeoplasticAnimalsCarcinoma, HepatocellularCell Line, TumorDown-RegulationEnergy MetabolismGene Expression ProfilingGene Regulatory NetworksGenes, MitochondrialHumansLiverLiver NeoplasmsMiceMice, Inbred C57BLMicroRNAsMitochondriaMicroRNAsMIRN122 microRNA, humanRNA, Messenger

Identifiers

PMID20739924
PMCPMC2950084

What OpenQuestion holds

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LicenceCC BY-NC-ND
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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.