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PML/RARa inhibits PTEN expression in hematopoietic cells by competing with PU.1 transcriptional activity

Overview of attention for article published in Oncotarget, September 2016
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Title
PML/RARa inhibits PTEN expression in hematopoietic cells by competing with PU.1 transcriptional activity
Published in
Oncotarget, September 2016
DOI 10.18632/oncotarget.11964
Pubmed ID
Authors

Nélida Inés Noguera, Maria Liliana Piredda, Riccardo Taulli, Gianfranco Catalano, Giulia Angelini, Girish Gaur, Clara Nervi, Maria Teresa Voso, Andrea Lunardi, Pier Paolo Pandolfi, Francesco Lo-Coco

Abstract

Acute promyelocitic leukemia (APL) is characterized by the pathognomonic presence in leukemic blasts of the hybrid protein PML/RARA, that acts as a transcriptional repressor impairing the expression of genes that are critical to myeloid differentiation. Here, we show that primary blasts from APL patients express lower levels of the oncosuppressor protein PTEN, as compared to blast cells from other AML subtypes or normal bone marrow, and demonstrate that PML-RARA directly inhibits PTEN expression. We show that All-Trans Retinoic Acid (ATRA) triggers in APL cells an active chromatin status at the core regulatory region of the PTEN promoter, that allows the binding of the myeloid-regulating transcription factor PU.1, and, in turn, the transcriptional induction of PTEN. ATRA, via PML/RARA degradation, also promotes PTEN nuclear re-localization and decreases expression of the PTEN target Aurora A kinase. In conclusion, our findings support the notion that PTEN is one of the primary targets of PML/RARA in APL.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 27 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 27 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 6 22%
Student > Bachelor 4 15%
Researcher 4 15%
Student > Master 3 11%
Student > Postgraduate 3 11%
Other 3 11%
Unknown 4 15%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 7 26%
Medicine and Dentistry 6 22%
Agricultural and Biological Sciences 4 15%
Immunology and Microbiology 2 7%
Nursing and Health Professions 1 4%
Other 2 7%
Unknown 5 19%
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 15 September 2016.
All research outputs
#18,471,305
of 22,888,307 outputs
Outputs from Oncotarget
#8,446
of 14,329 outputs
Outputs of similar age
#247,717
of 325,670 outputs
Outputs of similar age from Oncotarget
#639
of 1,163 outputs
Altmetric has tracked 22,888,307 research outputs across all sources so far. This one is in the 11th percentile – i.e., 11% of other outputs scored the same or lower than it.
So far Altmetric has tracked 14,329 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 5.5. This one is in the 26th percentile – i.e., 26% of its peers scored the same or lower than it.
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 325,670 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 13th percentile – i.e., 13% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 1,163 others from the same source and published within six weeks on either side of this one. This one is in the 29th percentile – i.e., 29% of its contemporaries scored the same or lower than it.