Within the healthy-like CD4+CD25+CD127low Treg repertoire, we detected a trend towards a reduced incidence of overall GVHD (HR, 0.428; 95% CI, 0.143–1.607; Figure 6A), aGHVD (HR, 0.379; 95% CI, 0.106–1.363; Figure 6B) and c/oGVHD (HR, 0.453; 95% CI, 0.098–2.089; Figure 6C). This evidence concerns the gene CD4 and graft versus host disease.