To study the post-transplant dynamics of Treg restoration, we evaluated relative and absolute counts of CD4+FOXP3+ T cells in the peripheral blood (PB) of MM patients before HDC, at the day of engraftment after auto-HSCT (on the average, + 14th day, Figure 1) and following 6 and 12 months or until relapse or disease progression within this period. Here, CD4 is linked to Miyoshi myopathy.