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Adult human periodontal ligament-derived stem cells delay retinal degeneration and maintain retinal function in RCS rats

Overview of attention for article published in Stem Cell Research & Therapy, December 2017
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Title
Adult human periodontal ligament-derived stem cells delay retinal degeneration and maintain retinal function in RCS rats
Published in
Stem Cell Research & Therapy, December 2017
DOI 10.1186/s13287-017-0731-y
Pubmed ID
Authors

Li Huang, Zongyi Li, Haibin Tian, Weiguo Wang, Dawei Cui, Zhe Zhou, Xiao Chen, Herman S. Cheung, Guo-tong Xu, Yu Chen

Abstract

Retinal degeneration (RD) is a leading cause of irreversible blindness, affecting millions of people worldwide. Stem cell transplantation has been considered a promising therapy for retinal degenerative diseases. This study aimed to investigate the therapeutic potential of human periodontal ligament-derived stem cells (hPDLSCs) for intervention in the progress of this degeneration in the Royal College Surgeons (RCS) rat. hPDLSCs were injected into the subretinal space of 3-week-old RCS rats. Control animals received a phosphate-buffered saline injection or were untreated. Retinal function was assessed by electroretinography recording. Eyes were collected afterward for histology and molecular studies. Retinal function maintenance was observed at 2 weeks and persisted for up to 8 weeks following hPDLSC transplantation. Retinal structure preservation was demonstrated in hPDLSC-transplanted eyes at 4 and 8 weeks following transplantation, as reflected in the preservation of outer nuclear layer thickness and gene expression of Rho, Crx, and Opsin. The percentage of terminal deoxynucleotidyl transferase-mediated dUTP nick-end labeling-positive apoptotic photoreceptors was significantly lower in the hPDLSC-injected retinas than in those of the control groups. hPDLSCs were also found to express multiple neurotrophic factors, including vascular endothelial growth factor, bioactive basic fibroblast growth factor, brain-derived neurotrophic factor, neurotrophin-3, insulin-like growth factor 1, nerve growth factor, and glial cell line-derived neurotrophic factor. Our findings suggest that hPDLSC transplantation is effective in delaying photoreceptor loss and provides significant preservation of retinal function in RCS rats. This study supports further exploration of hPDLSCs for treating RD.

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

Geographical breakdown

Country Count As %
Unknown 22 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 4 18%
Student > Doctoral Student 2 9%
Student > Master 2 9%
Student > Ph. D. Student 2 9%
Unspecified 1 5%
Other 4 18%
Unknown 7 32%
Readers by discipline Count As %
Medicine and Dentistry 4 18%
Neuroscience 3 14%
Pharmacology, Toxicology and Pharmaceutical Science 2 9%
Unspecified 1 5%
Nursing and Health Professions 1 5%
Other 3 14%
Unknown 8 36%
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 28 December 2017.
All research outputs
#14,307,981
of 23,012,811 outputs
Outputs from Stem Cell Research & Therapy
#1,096
of 2,429 outputs
Outputs of similar age
#237,467
of 440,933 outputs
Outputs of similar age from Stem Cell Research & Therapy
#30
of 60 outputs
Altmetric has tracked 23,012,811 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 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 has gotten more attention than average, scoring higher than 54% 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 440,933 tracked outputs that were published within six weeks on either side of this one in any source. This one is in the 45th percentile – i.e., 45% of its contemporaries scored the same or lower than it.
We're also able to compare this research output to 60 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.