... ATL and B-CLL in human In the model of BLV-induced leukemia and lymphoid tumors, viral infection and tumor progression can be monitored over time following injection with either naked proviral ... found in L267 Again, in the malignant clone of this animal, the BLV provirus was silent A summary of these data is illustrated in Table Overall, our observations in S267 reinforce the hypothesis ... linked with the onset of acute leukemia We propose that in this particular case, the mechanism by which the immune system destroys developing malignancies is evaded by the malignant cell by reducing...