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Global analysis of H3K27me3 as an epigenetic marker in prostate cancer progression

Overview of attention for article published in BMC Cancer, April 2017
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Title
Global analysis of H3K27me3 as an epigenetic marker in prostate cancer progression
Published in
BMC Cancer, April 2017
DOI 10.1186/s12885-017-3256-y
Pubmed ID
Authors

Marjolaine Ngollo, Andre Lebert, Marine Daures, Gaelle Judes, Khaldoun Rifai, Lucas Dubois, Jean-Louis Kemeny, Frederique Penault-Llorca, Yves-Jean Bignon, Laurent Guy, Dominique Bernard-Gallon

Abstract

H3K27me3 histone marks shape the inhibition of gene transcription. In prostate cancer, the deregulation of H3K27me3 marks might play a role in prostate tumor progression. We investigated genome-wide H3K27me3 histone methylation profile using chromatin immunoprecipitation (ChIP) and 2X400K promoter microarrays to identify differentially-enriched regions in biopsy samples from prostate cancer patients. H3K27me3 marks were assessed in 34 prostate tumors: 11 with Gleason score > 7 (GS > 7), 10 with Gleason score ≤ 7 (GS ≤ 7), and 13 morphologically normal prostate samples. Here, H3K27me3 profiling identified an average of 386 enriched-genes on promoter regions in healthy control group versus 545 genes in GS ≤ 7 and 748 genes in GS > 7 group. We then ran a factorial discriminant analysis (FDA) and compared the enriched genes in prostate-tumor biopsies and normal biopsies using ANOVA to identify significantly differentially-enriched genes. The analysis identified ALG5, EXOSC8, CBX1, GRID2, GRIN3B, ING3, MYO1D, NPHP3-AS1, MSH6, FBXO11, SND1, SPATS2, TENM4 and TRA2A genes. These genes are possibly associated with prostate cancer. Notably, the H3K27me3 histone mark emerged as a novel regulatory mechanism in poor-prognosis prostate cancer. Our findings point to epigenetic mark H3K27me3 as an important event in prostate carcinogenesis and progression. The results reported here provide new molecular insights into the pathogenesis of prostate cancer.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 97 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 97 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 18 19%
Student > Master 15 15%
Student > Bachelor 12 12%
Researcher 7 7%
Student > Doctoral Student 4 4%
Other 10 10%
Unknown 31 32%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 31 32%
Agricultural and Biological Sciences 10 10%
Medicine and Dentistry 9 9%
Immunology and Microbiology 3 3%
Physics and Astronomy 2 2%
Other 9 9%
Unknown 33 34%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. This is our high-level measure of the quality and quantity of online attention that it has received. This Attention Score, as well as the ranking and number of research outputs shown below, was calculated when the research output was last mentioned on 13 June 2017.
All research outputs
#18,541,268
of 22,963,381 outputs
Outputs from BMC Cancer
#5,463
of 8,345 outputs
Outputs of similar age
#235,826
of 310,001 outputs
Outputs of similar age from BMC Cancer
#81
of 138 outputs
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So far Altmetric has tracked 8,345 research outputs from this source. They receive a mean Attention Score of 4.3. This one is in the 21st percentile – i.e., 21% of its peers scored the same or lower than it.
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We're also able to compare this research output to 138 others from the same source and published within six weeks on either side of this one. This one is in the 23rd percentile – i.e., 23% of its contemporaries scored the same or lower than it.