For allogeneic trogocytosis experiments, membrane-donor cells were PKH67-labeled LCL-HLA-G1 cells and acceptor cells were either CD19+ (B-CLL and B cell lymphomas) or CD3ˉCD4+ (T cell lymphomas) PKH-negative tumor cells. The gene discussed is PDXK; the disease is T-cell non-Hodgkin lymphoma.