For Western blotting analysis, protein extraction was performed as previously described (52 (link)). Antibodies against P-JAK2 (Tyr1007/1008) (#3776), P-STAT3 (Tyr705) (#9131), STAT3 (#4904), P-AKT (Ser473) (#9271), AKT (#4691), P-ERK1/2 (Thr202/Tyr204) (#9101), ERK1/2 (#4695), DNMT1 (#5032), c-MYC (#5605), PIM1 (#3247), BCL2 (#4223), MCL-1 (#5453), and β-actin (#4970) were purchased from Cell Signaling Technology. Antibodies against JAK2 (sc-294), P-STAT5 (Tyr694) (sc11761), and STAT5 (sc-835) were purchased from Santa Cruz Biotechnology, and antibody against CCRL2 (LS-C382506) was purchased LSBio.