Effect of the histone deacetylase inhibitor depsipeptide on B-cell differentiation in both TEL-AML1-positive and negative childhood acute lymphoblastic leukemia.


The fusion protein TEL-AML1 in t(12;21)+ acute lymphoblastic leukemia (ALL) recruits co-repressors and histone deacetylases (HDAC), which transrepress AML1 target genes. Normal bone marrow cells were more resistant to HDAC inhibitor FK228 induced cell killing than were cells from ALL patients with or without t(12;21). FK228 induced differentiation in ALL… (More)


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