EXT2 and acute myeloid leukemia: Among 220 proteins lower expressed in AML-MSCs and R-MSCs than in D-MSCs, only one protein decreased even more in remission-ERP29, 8 proteins significantly increased in remission but did not reach normal levels—ADAMTS2, INHBA, EXT2, LTBP3, LOX, PGM2, TUBB6, AXL.