PLK1 and acute lymphoblastic leukemia: Consequently, in ALL, 25 hub proteins were ascertained, encompassing ARRB2, BIRC2, BRCA1, CDC20, CHD3, CHD4, EGFR, ERG, HIST1H4A, HSPA4, HSPA5, HSPB1, ITCH, JUN, LYN, MYC, PLK1, PPP1CA, RAD51, RPL37A, SKP1, SOCS2, TP53, UBE3A and YWHAE.