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Polycomb repressive complex’s evolutionary conserved function: the role of EZH2 status and cellular background

Overview of attention for article published in Clinical Epigenetics, May 2016
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  • Above-average Attention Score compared to outputs of the same age (51st percentile)

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Title
Polycomb repressive complex’s evolutionary conserved function: the role of EZH2 status and cellular background
Published in
Clinical Epigenetics, May 2016
DOI 10.1186/s13148-016-0226-1
Pubmed ID
Authors

Koraljka Gall Trošelj, Renata Novak Kujundzic, Djurdjica Ugarkovic

Abstract

When assembled in multiprotein polycomb repressive complexes (PRCs), highly evolutionary conserved polycomb group (PcG) proteins epigenetically control gene activity. Although the composition of PRCs may vary considerably, it is well established that the embryonic ectoderm development (EED) 1, suppressor of zeste (SUZ) 12, and methyltransferase enhancer of zeste (EZH2)-containing complex, PRC2, which is abundant in highly proliferative cells (including cancer cells), establishes a repressive methylation mark on histone 3 (H3K27me3). From the perspective of molecular cancer pathogenesis, this effect, when directed towards a promoter of tumor suppressor genes, represents pro-tumorigenic effect. This mode of action was shown in several cancer models. However, EZH2 function extends beyond this scenario. The highly specific cellular background, related to the origin of cell and numerous external stimuli during a given time-window, may be the trigger for EZH2 interaction with other proteins, not necessarily histones. This is particularly relevant for cancer. This review provides a critical overview of the evolutional importance of PRC and discusses several important aspects of EZH2 functioning within PRC. The review also deals with mutational studies on EZH2. Due to the existence of several protein (and messenger RNA (mRNA)) isoforms, these mutations were stratified, using the protein sequence which is considered canonical. This approach showed that there is an urgent need for the uniformed positioning of currently known EZH2 mutations (somatic-in tumors, as well as germline mutations in the Weaver's syndrome). Finally, we discuss EZH2 function with respect to amount of trimethylated H3K27, in a specific cellular milieu, through presenting the most recent data related to EZH2-H3K27m3 relationship in cancer. All these points are significant in considering EZH2 as a therapeutic target.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 104 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 104 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 22 21%
Researcher 20 19%
Student > Master 16 15%
Student > Bachelor 8 8%
Student > Doctoral Student 7 7%
Other 12 12%
Unknown 19 18%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 45 43%
Agricultural and Biological Sciences 14 13%
Medicine and Dentistry 10 10%
Chemistry 4 4%
Neuroscience 3 3%
Other 8 8%
Unknown 20 19%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 3. 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 03 June 2016.
All research outputs
#12,763,849
of 22,875,477 outputs
Outputs from Clinical Epigenetics
#586
of 1,257 outputs
Outputs of similar age
#162,826
of 338,302 outputs
Outputs of similar age from Clinical Epigenetics
#26
of 29 outputs
Altmetric has tracked 22,875,477 research outputs across all sources so far. This one is in the 43rd percentile – i.e., 43% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,257 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 6.5. This one has gotten more attention than average, scoring higher than 52% of its peers.
Older research outputs will score higher simply because they've had more time to accumulate mentions. To account for age we can compare this Altmetric Attention Score to the 338,302 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 51% of its contemporaries.
We're also able to compare this research output to 29 others from the same source and published within six weeks on either side of this one. This one is in the 6th percentile – i.e., 6% of its contemporaries scored the same or lower than it.