“…At the time of diagnosis, IL-10 expression was higher in bone marrow ALL blasts [31,32], Treg cells from peripheral blood of ALL patients [33], and plasma/serum [29,34,35]. Contrariwise, Mazur, Mertas, Sonta-Jakimczyk, Szczepanski and Janik-Moszant [36] reported no differences in IL-10 concentrations among treated ALL children and controls.…”