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. 2021 Oct 11;9:737872. doi: 10.3389/fcell.2021.737872

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Copyright © 2021 Shaw, Tóth, Király, Arianti, Csomós, Póliska, Vámos, Korponay-Szabó, Bacso, Győry, Fésüs and Kristóf.

This is an open-access article distributed under the terms of the Creative Commons Attribution License (CC BY). The use, distribution or reproduction in other forums is permitted, provided the original author(s) and the copyright owner(s) are credited and that the original publication in this journal is cited, in accordance with accepted academic practice. No use, distribution or reproduction is permitted which does not comply with these terms.

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Irisin stimulated the release of CXCL1 from deep-neck (DN) tissue biopsies, which improves the adhesion property of endothelial cells. (A) CXCL1 released into the conditioned media of paired subcutaneous (SC) and DN biopsies after 24 h incubation in the presence or absence of irisin (n = 4), Quantification of adhesion of endothelial cells upon incubation with the conditioned media (with or without irisin treatment) from ex vivo differentiated (incubation period from day 8–12 of differentiation) SC (B) and DN (C) area adipocytes (n = 5), (D) Quantification of endothelial cell adhesion upon incubation with recombinant CXCL1 in starvation medium (n = 3). Data presented as Mean ± SD. ^∗p < 0.05, ^∗∗p < 0.01. Statistics: One-way ANOVA with Tukey’s post-test (A) and Welch’s t-test (B–D).