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Endothelial progenitor cells improve the therapeutic effect of mesenchymal stem cell sheets on irradiated bone defect repair in a rat model

Overview of attention for article published in Journal of Translational Medicine, May 2018
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3 X users

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Title
Endothelial progenitor cells improve the therapeutic effect of mesenchymal stem cell sheets on irradiated bone defect repair in a rat model
Published in
Journal of Translational Medicine, May 2018
DOI 10.1186/s12967-018-1517-4
Pubmed ID
Authors

Huan Liu, Yang Jiao, Wei Zhou, Shizhu Bai, Zhihong Feng, Yan Dong, Qian Liu, Xiaoke Feng, Yimin Zhao

Abstract

The reconstruction of bone defects is often impaired by radiotherapy since bone quality is compromised by radiation. This study aims to investigate the therapeutic efficacy of the composite cell sheets-bone marrow mesenchymal stem cell (BMSC) sheets cocultured with endothelial progenitor cells (EPCs)-in the healing of irradiated bone defects and the biological effects of EPCs on the osteogenic properties of BMSC sheets. BMSCs and EPCs were isolated from rat bone marrow. BMSCs were used to form cell sheets by the vitamin C inducing method. EPCs were seeded on BMSC sheets to make EPCs-BMSC sheets. Osteogenesis of EPCs-BMSC sheets and BMSC sheets were tested. In vitro osteogenesis tests included ALP, Alizarin Red S, Sirius Red staining, qRT-PCR and Western blot analysis after 3 and 7 days of osteogenic incubation. Subcutaneous osteogenesis was tested by H&E staining and immunohistochemical staining 8 weeks after transplantation. EPCs-BMSC sheets and BMSC sheets were used in the 3 mm defects of non-irradiated and irradiated rat tibias. Micro-CT and histological analysis were used to test the healing of bone defects 4 and 8 weeks after transplantation. EPCs-BMSC sheets showed enhanced osteogenic differentiation in vitro with increased expression of osteoblastic markers and osteogenesis related staining compared with BMSC sheets. In subcutaneous osteogenesis test, EPCs-BMSC sheets formed larger areas of new bone and blood vessels. The EPCs-BMSC group had the highest volume of newly formed bone in the defect area of irradiated tibias. EPCs improved the osteogenic differentiation of BMSC Sheets and enhanced the ectopic bone formation. EPCs-BMSC sheets promoted bone healing in irradiated rat tibias. EPCs-BMSC sheets are potentially useful in the reconstruction of bone defect after radiotherapy.

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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 26 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 26 100%

Demographic breakdown

Readers by professional status Count As %
Student > Doctoral Student 3 12%
Student > Ph. D. Student 3 12%
Other 2 8%
Lecturer 2 8%
Student > Bachelor 1 4%
Other 3 12%
Unknown 12 46%
Readers by discipline Count As %
Medicine and Dentistry 4 15%
Pharmacology, Toxicology and Pharmaceutical Science 2 8%
Engineering 2 8%
Unspecified 1 4%
Agricultural and Biological Sciences 1 4%
Other 3 12%
Unknown 13 50%
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 30 May 2018.
All research outputs
#14,996,523
of 23,070,218 outputs
Outputs from Journal of Translational Medicine
#2,006
of 4,045 outputs
Outputs of similar age
#198,899
of 330,078 outputs
Outputs of similar age from Journal of Translational Medicine
#27
of 99 outputs
Altmetric has tracked 23,070,218 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 4,045 research outputs from this source. They typically receive a lot more attention than average, with a mean Attention Score of 10.6. 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 330,078 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 36th percentile – i.e., 36% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 99 others from the same source and published within six weeks on either side of this one. This one has gotten more attention than average, scoring higher than 65% of its contemporaries.