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. 2021 Jan 22;182(3):195–209. doi: 10.1159/000514193

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Copyright © 2021 by S. Karger AG, Basel

This article is made available via the PMC Open Access Subset for unrestricted re-use and analyses in any form or by any means with acknowledgement of the original source. These permissions are granted for the duration of the COVID-19 pandemic or until permissions are revoked in writing. Upon expiration of these permissions, PMC is granted a perpetual license to make this article available via PMC and Europe PMC, consistent with existing copyright protections.

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Fig. 1 — A CD4 subsets: CD4+ gated cells in PBMCs, gated CD4+ cell subsets are characterized by different makers. B Gated CD4+ cells naïve: T_N (CCR7+CD45RA+), central memory: T_CM (CCR7+CD45RA−), effector memory: T_EM (CCR7−CD45RA−), and T effector memory RA: T_EMRA (CCR7−CD45RA+). C CD4 Treg gated CD4+ cells for CD25+ CD127−. D CD4+CD25+CD127−FoxP3+ cells. Abnormal values are circled in red. PBMCs, peripheral blood mononuclear cells; T_N, T naïve; T_EM, T effector memory; T_CM, T central memory; T_EMRA, T effector memory RA.