CD4 and diffuse large B-cell lymphoma: The result is in agreement with data from a previous study on CD4 T cell response to PASD1 protein in DLBCL patients where a higher percentage of cell lysis was observed in the PASD1-positive Thiel cell line compared to the PASD1-negative OCI-Ly3 and SUDHL-6 cell line control (Ait-Tahar et al., 2011).