RAET1L and B-cell chronic lymphocytic leukemia: In particular, specific lysis of the ULBP6-expressing CHO cell line by NK cells from HD was 47% compared to only 29% using NK cells taken from patients with B-CLL (mean ± SEM: HD 47% ± 7.0% vs B-CLL, 29% ± 5.4% p < 0.05) (Figure 2C).