Modulation of antigen expression in B‐cell precursor acute lymphoblastic leukemia during induction therapy is partly transient: Evidence for a drug‐induced regulatory phenomenon. Results of the AIEOP‐BFM‐ALL‐FLOW‐MRD‐Study Group

Abstract excerpt

BACKGROUND: Changes of antigen expression on residual blast cells of acute lymphoblastic leukemia (ALL) occur during induction treatment. Many markers used for phenotyping and minimal residual disease (MRD) monitoring are affected. Glucocorticoid (GC)-induced expression modulation has been causally suspected, however, subclone selection may also cause the phenomenon. METHODS: We investigated this by following the...

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