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Zinc preconditioning protects against renal ischaemia reperfusion injury in a preclinical sheep large animal model

Overview of attention for article published in BioMetals, July 2018
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Title
Zinc preconditioning protects against renal ischaemia reperfusion injury in a preclinical sheep large animal model
Published in
BioMetals, July 2018
DOI 10.1007/s10534-018-0125-3
Pubmed ID
Authors

Dermot O’Kane, Luke Gibson, Clive N. May, Justin du Plessis, Arthur Shulkes, Graham S. Baldwin, Damien Bolton, Joseph Ischia, Oneel Patel

Abstract

Ischaemia-reperfusion injury (IRI) during various surgical procedures, including partial nephrectomy for kidney cancer or renal transplantation, is a major cause of acute kidney injury and chronic kidney disease. Currently there are no drugs or methods for protecting human organs, including the kidneys, against the peril of IRI. The aim of this study was therefore to investigate the reno-protective effect of Zn2+ preconditioning in a clinically relevant large animal sheep model of IRI. Further the reno-protective effectiveness of Zn2+ preconditioning was tested on normal human kidney cell lines HK-2 and HEK293. Anaesthetised sheep were subjected to uninephrectomy and 60 min of renal ischaemia followed by reperfusion. Sheep were preconditioned with intravenous injection of zinc chloride prior to occlusion. Serum creatinine and urea were measured before ischaemia and for 7 days after reperfusion. HK-2 and HEK293 cells were subjected to in vitro IRI using the oxygen- and glucose-deprivation model. Zn2+ preconditioning reduced ischaemic burden determined by creatinine and urea rise over time by ~ 70% in sheep. Zn2+ preconditioning also increased the survival of normal human kidney cells subjected to cellular stress such as hypoxia, hydrogen peroxide injury, and serum starvation. Overall, our protocol incorporating specific Zn2+ dosage, number of dosages (two), time of injection (24 and 4 h prior), mode of Zn2+ delivery (IV) and testing of efficacy in a rat model, a large preclinical sheep model of IRI and cells of human origin has laid the foundation for assessment of the benefit of Zn2+ preconditioning for human applications.

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Geographical breakdown

Country Count As %
Unknown 24 100%

Demographic breakdown

Readers by professional status Count As %
Student > Bachelor 6 25%
Researcher 5 21%
Student > Doctoral Student 3 13%
Student > Master 2 8%
Other 1 4%
Other 2 8%
Unknown 5 21%
Readers by discipline Count As %
Medicine and Dentistry 10 42%
Pharmacology, Toxicology and Pharmaceutical Science 4 17%
Nursing and Health Professions 2 8%
Biochemistry, Genetics and Molecular Biology 1 4%
Physics and Astronomy 1 4%
Other 3 13%
Unknown 3 13%
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 06 July 2018.
All research outputs
#20,525,274
of 23,094,276 outputs
Outputs from BioMetals
#527
of 649 outputs
Outputs of similar age
#287,500
of 328,026 outputs
Outputs of similar age from BioMetals
#9
of 10 outputs
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So far Altmetric has tracked 649 research outputs from this source. They receive a mean Attention Score of 4.4. This one is in the 1st percentile – i.e., 1% of its peers scored the same or lower than it.
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