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Chimeric antigen receptors redirect T cells to surface antigens. Discovery and validation of appropriate target antigens expands the possible indications for chimeric-antigen receptor (CAR) T cells. CS1 is expressed at high levels by multiple myeloma cells, but also to some extent on other lymphocytes. CS1 may be a viable target for CAR T cells in multiple myeloma.
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Maus et al. (2014) studied this question.
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