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Protein deubiquitinase USP7 is required for osteogenic differentiation of human adipose-derived stem cells

Overview of attention for article published in Stem Cell Research & Therapy, August 2017
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Title
Protein deubiquitinase USP7 is required for osteogenic differentiation of human adipose-derived stem cells
Published in
Stem Cell Research & Therapy, August 2017
DOI 10.1186/s13287-017-0637-8
Pubmed ID
Authors

Yiman Tang, Longwei Lv, Wenyue Li, Xiao Zhang, Yong Jiang, Wenshu Ge, Yongsheng Zhou

Abstract

Human adipose-derived stem cells (hASCs) are multipotent progenitor cells with self-renewal capabilities and multilineage differentiation potential, including osteogenesis. Although protein deubiquitinases have been linked to stem cell fate determination, whether protein deubiquitination contributes to lineage commitment during osteogenic differentiation of hASCs remains to be investigated. The objective of this study was to evaluate the effects of the ubiquitin specific protease 7 (USP7) on osteogenic differentiation of hASCs. An osteocalcin promoter driven luciferase reporter system was established to initially discover the potential association between USP7 and hASC osteogenesis. To further characterize the function of USP7 in osteogenic differentiation of hASCs, a combination of in vitro and in vivo experiments were carried out through genetic depletion or overexpression of USP7 using a lentiviral strategy. Moreover, HBX 41,108, a cyanoindenopyrazine-derived deubiquitinase inhibitor of USP7, was utilized at different doses to further examine whether USP7 regulated osteogenic differentiation of hASCs through its enzymatic activity. We demonstrated that USP7 depletion was associated with remarkable downregulation of the reporter gene activity. Genetic depletion of USP7 by lentiviral RNAi markedly suppressed hASC osteogenesis both in vitro and in vivo, while overexpression of USP7 enhanced the osteogenic differentiation of hASCs. Notably, chemical blockade via the small molecular inhibitor HBX 41,108 could efficiently mimic the effects of USP7 genetic depletion in a dose-dependent manner. Taken together, our study revealed that protein deubiquitinase USP7 is an essential player in osteogenic differentiation of hASCs through its catalytic activity, and supported the pursuit of USP7 as a potential target for modulation of hASC-based stem cell therapy and bone tissue engineering.

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The data shown below were collected from the profiles of 3 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 29 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 29 100%

Demographic breakdown

Readers by professional status Count As %
Student > Master 5 17%
Student > Doctoral Student 4 14%
Student > Ph. D. Student 4 14%
Researcher 3 10%
Student > Bachelor 2 7%
Other 1 3%
Unknown 10 34%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 4 14%
Agricultural and Biological Sciences 3 10%
Medicine and Dentistry 3 10%
Pharmacology, Toxicology and Pharmaceutical Science 2 7%
Nursing and Health Professions 2 7%
Other 6 21%
Unknown 9 31%
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 17 August 2017.
All research outputs
#14,951,544
of 22,997,544 outputs
Outputs from Stem Cell Research & Therapy
#1,214
of 2,429 outputs
Outputs of similar age
#188,193
of 317,683 outputs
Outputs of similar age from Stem Cell Research & Therapy
#19
of 43 outputs
Altmetric has tracked 22,997,544 research outputs across all sources so far. This one is in the 32nd percentile – i.e., 32% of other outputs scored the same or lower than it.
So far Altmetric has tracked 2,429 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 5.0. This one is in the 44th percentile – i.e., 44% 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 317,683 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 37th percentile – i.e., 37% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 43 others from the same source and published within six weeks on either side of this one. This one is in the 48th percentile – i.e., 48% of its contemporaries scored the same or lower than it.