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. 2019 Jul 26;9:10870. doi: 10.1038/s41598-019-47310-5

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© The Author(s) 2019

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/.

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Contraction of CXCR3⁺ subsets in circulating memory T cells from PsA patients. PBMCs isolated from patients with PsA, PsO patients and control subjects were stained for CD4 and CD8 lineage markers, memory T cell phenotype markers (CD45RA and CCR7) and for chemokine receptors CCR4, CXCR3, CCR6 or CCR5. Percentages of T cells expressing CCR4, CXCR3, CCR6, CCR5 chemokine receptors in the total memory CD45RA⁻, T_EMRA and T_EM subsets of CD4⁺ and CD8⁺ T cells are shown in the figure. Statistical analysis of the differences was performed by Mann-Whitney test. p values < 0.05 were considered significant: *p < 0.05, **p < 0.01.