Down-regulation of signal transducer and activator of transcription 3 improves human acute myeloid leukemia-derived dendritic cell function.

Down-regulation of signal transducer and activator of transcription 3 improves human acute myeloid leukemia-derived dendritic cell function.
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DOI:
10.1016/j.leukres.2013.04.002
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发表时间:
2013-07
期刊:
影响因子:
2.7
通讯作者:
Wetzler M
Wetzler M
中科院分区:
医学3区
文献类型:
--
作者:
Brady MT;Miller A;Sait SN;Ford LA;Minderman H;Wang ES;Lee KP;Baumann H;Wetzler M

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Signal transducer and activator of transcription (STAT) 3 inhibits dendritic cell (DC) differentiation and is constitutively activated in blasts of approximately half of AML patients. We investigated the correlation between STAT3 activity, DC maturation and the ability to stimulate T-cells in primary acute myeloid leukemia (AML)-derived DCs. STAT3 knock-down by shRNAmir increased the ability of AML-DCs to stimulate T-cells. Treatment of AML-DC with arsenic trioxide, but not AG490, JSI-124 or NSC-74859, led to a more mature phenotype and enhanced T-cell stimulation, while having minimal effect on normal DC. We conclude that AML-DCs have improved immunogenicity after reducing STAT3.
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