Validation of selected genes by qRT-PCR analysis. qRT-PCR analysis for S1PR5, ABCB1, FOS, FOSB, RHOB, VAV3, and KIR3DS1 in HSTL tissues (n = 10), cells (n = 3), PTCL-NOS (n = 14), and NKTCL (n = 6). The results are expressed as the relative fold change compared with normal γδ T cells sorted from spleen. Values for each sample were normalized to GAPDH. An arbitrary value of 1 was assigned to normal γδ T cells.