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ATL-derived exosomes modulate mesenchymal stem cells: potential role in leukemia progression

Overview of attention for article published in Retrovirology, October 2016
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Title
ATL-derived exosomes modulate mesenchymal stem cells: potential role in leukemia progression
Published in
Retrovirology, October 2016
DOI 10.1186/s12977-016-0307-4
Pubmed ID
Authors

Jamal El-Saghir, Farah Nassar, Nadim Tawil, Marwan El-Sabban

Abstract

Exosomes are membrane nano-vesicles secreted by a multitude of cells that harbor biological constituents such as proteins, lipids, mRNA and microRNA. Exosomes can potentially transfer their cargo to other cells, implicating them in many patho-physiological processes. Mesenchymal stem cells (MSCs), residents of the bone marrow and metastatic niches, potentially interact with cancer cells and/or their derived exosomes. In this study, we investigated whether exosomes derived from adult T-cell leukemia/lymphoma (ATL) cells act as intercellular messengers delivering leukemia-related genes that modulate the properties of human MSCs in favor of leukemia. We hypothesized that the cargo of ATL-derived exosomes is transferred to MSCs and alter their functional behavior to support the establishment of the appropriate microenvironment for leukemia. We showed that both ATL cells (C81 and HuT-102) and patient-derived cells released Tax-containing exosomes. The cargo of HuT-102-derived exosomes consisted of miR-21, miR-155 and vascular endothelial growth factor. We demonstrated that HuT-102-derived exosomes not only deliver Tax to recipient MSCs, but also induce NF-κB activation leading to a change in cellular morphology, increase in proliferation and the induction of gene expression of migration and angiogenic markers. This study demonstrates that ATL-derived exosomes deliver Tax and other leukemia-related genes to MSCs and alter their properties to presumably create a more conducive milieu for leukemia. These findings highlight the contribution of leukemia-derived exosomes in cellular transformation and their potential value as biomarkers and targets in therapeutic strategies.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 55 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 55 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 13 24%
Student > Master 10 18%
Researcher 5 9%
Student > Bachelor 4 7%
Student > Doctoral Student 3 5%
Other 7 13%
Unknown 13 24%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 20 36%
Agricultural and Biological Sciences 6 11%
Medicine and Dentistry 6 11%
Immunology and Microbiology 5 9%
Chemistry 2 4%
Other 3 5%
Unknown 13 24%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 2. 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 20 October 2016.
All research outputs
#13,995,422
of 22,896,955 outputs
Outputs from Retrovirology
#667
of 1,108 outputs
Outputs of similar age
#173,927
of 315,882 outputs
Outputs of similar age from Retrovirology
#11
of 23 outputs
Altmetric has tracked 22,896,955 research outputs across all sources so far. This one is in the 37th percentile – i.e., 37% of other outputs scored the same or lower than it.
So far Altmetric has tracked 1,108 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 7.1. This one is in the 37th percentile – i.e., 37% 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 315,882 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 43rd percentile – i.e., 43% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 23 others from the same source and published within six weeks on either side of this one. This one is in the 43rd percentile – i.e., 43% of its contemporaries scored the same or lower than it.