Fig. 2
![Fig. 2](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs12871-021-01330-9/MediaObjects/12871_2021_1330_Fig2_HTML.png)
Flow cytometry image. Flow cytometric gating scheme for Treg: Starting from lymphocytes by FSC and SSC gating, cells were further gated on CD4+ and CD25+, then CD127low was used to define Treg population as CD4+CD25+CD127low T lymphocytes, gating of this marker was based on CD4+ T lymphocytes