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Compartmentalized activities of the pyruvate dehydrogenase complex sustain lipogenesis in prostate cancer

Overview of attention for article published in Nature Genetics, January 2018
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  • In the top 25% of all research outputs scored by Altmetric
  • High Attention Score compared to outputs of the same age (86th percentile)

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154 Mendeley
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Title
Compartmentalized activities of the pyruvate dehydrogenase complex sustain lipogenesis in prostate cancer
Published in
Nature Genetics, January 2018
DOI 10.1038/s41588-017-0026-3
Pubmed ID
Authors

Jingjing Chen, Ilaria Guccini, Diletta Di Mitri, Daniela Brina, Ajinkya Revandkar, Manuela Sarti, Emiliano Pasquini, Abdullah Alajati, Sandra Pinton, Marco Losa, Gianluca Civenni, Carlo V. Catapano, Jacopo Sgrignani, Andrea Cavalli, Rocco D’Antuono, John M. Asara, Andrea Morandi, Paola Chiarugi, Sara Crotti, Marco Agostini, Monica Montopoli, Ionica Masgras, Andrea Rasola, Ramon Garcia-Escudero, Nicolas Delaleu, Andrea Rinaldi, Francesco Bertoni, Johann de Bono, Arkaitz Carracedo, Andrea Alimonti

Abstract

The mechanisms by which mitochondrial metabolism supports cancer anabolism remain unclear. Here, we found that genetic and pharmacological inactivation of pyruvate dehydrogenase A1 (PDHA1), a subunit of the pyruvate dehydrogenase complex (PDC), inhibits prostate cancer development in mouse and human xenograft tumor models by affecting lipid biosynthesis. Mechanistically, we show that in prostate cancer, PDC localizes in both the mitochondria and the nucleus. Whereas nuclear PDC controls the expression of sterol regulatory element-binding transcription factor (SREBF)-target genes by mediating histone acetylation, mitochondrial PDC provides cytosolic citrate for lipid synthesis in a coordinated manner, thereby sustaining anabolism. Additionally, we found that PDHA1 and the PDC activator pyruvate dehydrogenase phosphatase 1 (PDP1) are frequently amplified and overexpressed at both the gene and protein levels in prostate tumors. Together, these findings demonstrate that both mitochondrial and nuclear PDC sustain prostate tumorigenesis by controlling lipid biosynthesis, thus suggesting this complex as a potential target for cancer therapy.

X Demographics

X Demographics

The data shown below were collected from the profiles of 20 X users who shared this research output. Click here to find out more about how the information was compiled.
Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 154 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 154 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 32 21%
Researcher 21 14%
Student > Master 12 8%
Student > Bachelor 12 8%
Student > Doctoral Student 9 6%
Other 25 16%
Unknown 43 28%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 58 38%
Agricultural and Biological Sciences 19 12%
Medicine and Dentistry 12 8%
Social Sciences 3 2%
Immunology and Microbiology 2 1%
Other 9 6%
Unknown 51 33%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 12. 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 31 May 2018.
All research outputs
#2,568,691
of 23,016,919 outputs
Outputs from Nature Genetics
#3,102
of 7,224 outputs
Outputs of similar age
#65,397
of 473,640 outputs
Outputs of similar age from Nature Genetics
#51
of 64 outputs
Altmetric has tracked 23,016,919 research outputs across all sources so far. Compared to these this one has done well and is in the 88th percentile: it's in the top 25% of all research outputs ever tracked by Altmetric.
So far Altmetric has tracked 7,224 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 41.4. This one has gotten more attention than average, scoring higher than 57% 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 473,640 tracked outputs that were published within six weeks on either side of this one in any source. This one has done well, scoring higher than 86% of its contemporaries.
We're also able to compare this research output to 64 others from the same source and published within six weeks on either side of this one. This one is in the 20th percentile – i.e., 20% of its contemporaries scored the same or lower than it.