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Sheep-Specific Immunohistochemical Panel for the Evaluation of Regenerative and Inflammatory Processes in Tissue-Engineered Heart Valves

Overview of attention for article published in Frontiers in Cardiovascular Medicine, August 2018
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Title
Sheep-Specific Immunohistochemical Panel for the Evaluation of Regenerative and Inflammatory Processes in Tissue-Engineered Heart Valves
Published in
Frontiers in Cardiovascular Medicine, August 2018
DOI 10.3389/fcvm.2018.00105
Pubmed ID
Authors

Sylvia Dekker, Daphne van Geemen, Antoon J. van den Bogaerdt, Anita Driessen-Mol, Elena Aikawa, Anthal I. P. M. Smits

Abstract

The creation of living heart valve replacements via tissue engineering is actively being pursued by many research groups. Numerous strategies have been described, aimed either at culturing autologous living valves in a bioreactor (in vitro) or inducing endogenous regeneration by the host via resorbable scaffolds (in situ). Whereas a lot of effort is being invested in the optimization of heart valve scaffold parameters and culturing conditions, the pathophysiological in vivo remodeling processes to which tissue-engineered heart valves are subjected upon implantation have been largely under-investigated. This is partly due to the unavailability of suitable immunohistochemical tools specific to sheep, which serves as the gold standard animal model in translational research on heart valve replacements. Therefore, the goal of this study was to comprise and validate a comprehensive sheep-specific panel of antibodies for the immunohistochemical analysis of tissue-engineered heart valve explants. For the selection of our panel we took inspiration from previous histopathological studies describing the morphology, extracellular matrix composition and cellular composition of native human heart valves throughout development and adult stages. Moreover, we included a range of immunological markers, which are particularly relevant to assess the host inflammatory response evoked by the implanted heart valve. The markers specifically identifying extracellular matrix components and cell phenotypes were tested on formalin-fixed paraffin-embedded sections of native sheep aortic valves. Markers for inflammation and apoptosis were tested on ovine spleen and kidney tissues. Taken together, this panel of antibodies could serve as a tool to study the spatiotemporal expression of proteins in remodeling tissue-engineered heart valves after implantation in a sheep model, thereby contributing to our understanding of the in vivo processes which ultimately determine long-term success or failure of tissue-engineered heart valves.

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Mendeley readers

Mendeley readers

The data shown below were compiled from readership statistics for 88 Mendeley readers of this research output. Click here to see the associated Mendeley record.

Geographical breakdown

Country Count As %
Unknown 88 100%

Demographic breakdown

Readers by professional status Count As %
Student > Ph. D. Student 17 19%
Researcher 11 13%
Student > Master 11 13%
Student > Bachelor 7 8%
Student > Doctoral Student 6 7%
Other 12 14%
Unknown 24 27%
Readers by discipline Count As %
Medicine and Dentistry 14 16%
Biochemistry, Genetics and Molecular Biology 13 15%
Engineering 11 13%
Agricultural and Biological Sciences 5 6%
Veterinary Science and Veterinary Medicine 3 3%
Other 8 9%
Unknown 34 39%
Attention Score in Context

Attention Score in Context

This research output has an Altmetric Attention Score of 1. 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 15 August 2018.
All research outputs
#18,647,094
of 23,100,534 outputs
Outputs from Frontiers in Cardiovascular Medicine
#3,280
of 7,022 outputs
Outputs of similar age
#254,351
of 330,630 outputs
Outputs of similar age from Frontiers in Cardiovascular Medicine
#43
of 52 outputs
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So far Altmetric has tracked 7,022 research outputs from this source. They receive a mean Attention Score of 4.2. This one is in the 37th percentile – i.e., 37% of its peers scored the same or lower than it.
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