Fifteen genes including LTB4R2, HCN4, FZD9, GRIK5, CREB3L4, TACR2, FRMD1, LHB, FGF3, TEAD3, GRIN2D, GNRH2, PRLH, GPR156, and CRHR2 were also determined as potential biomarkers for ATLL. Here, GRIN2D is linked to adult T-cell leukemia/lymphoma.