Leukemia

A Cancer Treatment Makes Leukemia Vanish, but Creates More Mysteries

After the CD8 cells did their job, they remained in the blood but, unexpectedly, they turned into CD4 cells. And when the Penn investigators removed CD4 cells from the blood of Mr. Ludwig and Mr. Olson, they saw that those cells could kill B cells in the laboratory. The CD4 cells had turned into assassins […]

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