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p21−/− mice exhibit enhanced bone regeneration after injury

Overview of attention for article published in BMC Musculoskeletal Disorders, November 2017
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  • Good Attention Score compared to outputs of the same age (66th percentile)
  • Above-average Attention Score compared to outputs of the same age and source (56th percentile)

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Title
p21−/− mice exhibit enhanced bone regeneration after injury
Published in
BMC Musculoskeletal Disorders, November 2017
DOI 10.1186/s12891-017-1790-z
Pubmed ID
Authors

Priyatha Premnath, Britta Jorgenson, Ricarda Hess, Pankaj Tailor, Dante Louie, Jaymi Taiani, Steven Boyd, Roman Krawetz

Abstract

p21((WAF1/CIP1/SDI1)), a cyclin dependent kinase inhibitor has been shown to influence cell proliferation, differentiation and apoptosis; but more recently, p21 has been implicated in tissue repair. Studies on p21((-/-)) knockout mice have demonstrated results that vary from complete regeneration and healing of tissue to attenuated healing. There have however been no studies that have evaluated the role of p21 inhibition in bone healing and remodeling. The current study employs a burr-hole fracture model to investigate bone regeneration subsequent to an injury in a p21(-/-) mouse model. p21(-/-) and C57BL/6 mice were subjected to a burr-hole fracture on their proximal tibia, and their bony parameters were measured over 4 weeks via in vivo μCT scanning. p21(-/-) mice present with enhanced healing from week 1 through week 4. Differences in bone formation and resorption potential between the two mouse models are assessed via quantitative and functional assays. While the μCT analysis indicates that p21(-/-) mice have enhanced bone healing capabilities, it appears that the differences observed may not be due to the function of osteoblasts or osteoclasts. Furthermore, no differences were observed in the differentiation of progenitor cells (mesenchymal or monocytic) into osteoblasts or osteoclasts respectively. Therefore, it remains unknown how p21 is regulating enhanced fracture repair and further studies are required to determine which cell type(s) are responsible for this regenerative phenotype.

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The data shown below were collected from the profile of 1 X user 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 > Ph. D. Student 4 15%
Researcher 3 12%
Other 2 8%
Student > Postgraduate 2 8%
Student > Master 2 8%
Other 3 12%
Unknown 10 38%
Readers by discipline Count As %
Biochemistry, Genetics and Molecular Biology 8 31%
Engineering 2 8%
Agricultural and Biological Sciences 1 4%
Neuroscience 1 4%
Sports and Recreations 1 4%
Other 0 0%
Unknown 13 50%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 4. 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 19 October 2023.
All research outputs
#7,190,630
of 24,946,857 outputs
Outputs from BMC Musculoskeletal Disorders
#1,353
of 4,341 outputs
Outputs of similar age
#111,349
of 337,651 outputs
Outputs of similar age from BMC Musculoskeletal Disorders
#35
of 81 outputs
Altmetric has tracked 24,946,857 research outputs across all sources so far. This one has received more attention than most of these and is in the 69th percentile.
So far Altmetric has tracked 4,341 research outputs from this source. They typically receive a little more attention than average, with a mean Attention Score of 7.5. This one has gotten more attention than average, scoring higher than 67% 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 337,651 tracked outputs that were published within six weeks on either side of this one in any source. This one has gotten more attention than average, scoring higher than 66% of its contemporaries.
We're also able to compare this research output to 81 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 56% of its contemporaries.