EPO does not promote interaction between the erythropoietin and beta-common receptors
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(Published Version)
Date
2018
Authors
Cheung Tung Shing, K.S.
Broughton, S.E.
Nero, T.L.
Gillinder, K.
Ilsley, M.D.
Ramshaw, H.
Lopez, A.F.
Griffin, M.D.W.
Parker, M.W.
Perkins, A.C.
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Journal article
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Scientific Reports, 2018; 8(1):12457-1-12457-16
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Karen S. Cheung Tung Shing, Sophie E. Broughton, Tracy L. Nero, Kevin Gillinder, Melissa D. Ilsley, Hayley Ramshaw, Angel F. Lopez, Michael D. W. Griffin, Michael W. Parker, Andrew C. Perkins, Urmi Dhagat
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Abstract
A direct interaction between the erythropoietin (EPOR) and the beta-common (βc) receptors to form an Innate Repair Receptor (IRR) is controversial. On one hand, studies have shown a functional link between EPOR and βc receptor in tissue protection while others have shown no involvement of the βc receptor in tissue repair. To date there is no biophysical evidence to confirm a direct association of the two receptors either in vitro or in vivo. We investigated the existence of an interaction between the extracellular regions of EPOR and the βc receptor in silico and in vitro (either in the presence or absence of EPO or EPO-derived peptide ARA290). Although a possible interaction between EPOR and βc was suggested by our computational and genomic studies, our in vitro biophysical analysis demonstrates that the extracellular regions of the two receptors do not specifically associate. We also explored the involvement of the βc receptor gene (Csf2rb) under anaemic stress conditions and found no requirement for the βc receptor in mice. In light of these studies, we conclude that the extracellular regions of the EPOR and the βc receptor do not directly interact and that the IRR is not involved in anaemic stress.
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Data source: Supplementary information, https://doi.org/10.1038/s41598-018-29865-x
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© The Author(s) 2018. Open Access This article is licensed under a Creative Commons Attribution 4.0 International License, which permits use, sharing, adaptation, distribution and reproduction in any medium or format, as long as you give appropriate credit to the original author(s) and the source, provide a link to the Creative Commons license, and indicate if changes were made. The images or other third party material in this article are included in the article’s Creative Commons license, unless indicated otherwise in a credit line to the material. If material is not included in the article’s Creative Commons license and your intended use is not permitted by statutory regulation or exceeds the permitted use, you will need to obtain permission directly from the copyright holder. To view a copy of this license, visit http://creativecommons.org/licenses/by/4.0/.