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首页> 外文期刊>Leukemia and lymphoma >CD36 (thrombospondin receptor) expression in childhood acute megakaryoblastic leukemia: in vitro drug sensitivity and outcome.
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CD36 (thrombospondin receptor) expression in childhood acute megakaryoblastic leukemia: in vitro drug sensitivity and outcome.

机译:CD36(血小板反应蛋白受体)在儿童急性巨核细胞白血病中的表达:体外药物敏感性和预后。

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摘要

The outcome for children with acute megakaryoblastic leukemia (AMKL) remains poor, except for cases associated with Down syndrome (DS). This study compared immunophenotypic and drug sensitivity patterns of childhood AMKL cases with or without DS. All DS-AMKL cases showed high expression of CD36 and were very sensitive to cytarabine and daunorubicin in vitro. In children without DS, high expression of CD36 on AMKL blasts identified a sub-group with immunophenotypic and drug sensitivity patterns similar to that of DS AMKL. Among non-DS AMKL patients, CD36-high cases had a superior outcome compared with CD36-negative cases. CD36 expression in acute myeloid leukemia cases other than AMKL was not associated with increased in vitro drug sensitivity. CD36 expression in AMKL may be an indicator of megakaryoblast maturation and chemotherapy sensitivity.
机译:除唐氏综合症(DS)以外,急性巨核细胞白血病(AMKL)儿童的预后仍然很差。这项研究比较了有或没有DS的儿童AMKL病例的免疫表型和药物敏感性模式。所有DS-AMKL病例均显示CD36高表达,并且在体外对阿糖胞苷和柔红霉素非常敏感。在没有DS的儿童中,AMKL母细胞上CD36的高表达确定了一个亚型,其免疫表型和药物敏感性模式与DS AMKL相似。在非DS AMKL患者中,CD36高的病例比CD36阴性的病例有更好的预后。除AMKL以外的急性髓细胞性白血病病例中CD36的表达与体外药物敏感性增加无关。 AMKL中的CD36表达可能是巨核细胞成熟和化疗敏感性的指标。

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