Bone marrow-targetable Green Tea Catechin-Based Micellar Nanocomplex for synergistic therapy of Acute myeloid leukemia.

Bone marrow-targetable Green Tea Catechin-Based Micellar Nanocomplex for synergistic therapy of Acute myeloid leukemia.
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可触摸骨髓的绿茶儿茶素基胶束纳米胶片,用于急性髓样白血病的协同疗法。

DOI:
10.1186/s12951-022-01683-4
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发表时间:
2022-11-16
影响因子:
10.2
通讯作者:
Kurisawa, Motoichi
Kurisawa, Motoichi
中科院分区:
工程技术1区
文献类型:
--
作者:
Bae, Ki Hyun;Lai, Fritz;Mong, Jamie;Niibori-Nambu, Akiko;Chan, Kiat Hwa;Her, Zhisheng;Osato, Motomi;Tan, Min-Han;Chen, Qingfeng;Kurisawa, Motoichi

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目前可用的抗白血病药物在治疗急性髓性白血病(AML)中显示出有限的成功,这是由于它们难以进入支持白血病细胞增殖的骨髓小生境。在此,我们报告了骨髓靶向的绿色茶儿茶素为基础的胶束纳米复合物的协同AML治疗。发现纳米复合物通过选择性破坏促存活mTOR信号传导协同放大索拉非尼的抗白血病效力。体内生物分布研究表明,与游离索拉非尼相比,纳米复合物的骨髓蓄积约高11倍。在AML患者来源的异种移植物(AML-PDX)小鼠模型中,纳米复合物的施用有效地根除了骨髓驻留的白血病母细胞,并提高了存活率,而没有明显的脱靶毒性。这项研究可能为合理设计纳米医学平台提供见解,使骨髓靶向递送治疗药物用于治疗AML和其他骨髓疾病。在线版本包含补充材料,可通过10.1186/s12951-022-01683-4获取。
Currently available anti-leukemia drugs have shown limited success in the treatment of acute myeloid leukemia (AML) due to their poor access to bone marrow niche supporting leukemic cell proliferation. Herein, we report a bone marrow-targetable green tea catechin-based micellar nanocomplex for synergistic AML therapy. The nanocomplex was found to synergistically amplify the anti-leukemic potency of sorafenib via selective disruption of pro-survival mTOR signaling. In vivo biodistribution study demonstrated about 11-fold greater bone marrow accumulation of the nanocomplex compared to free sorafenib. In AML patient-derived xenograft (AML-PDX) mouse model, administration of the nanocomplex effectively eradicated bone marrow-residing leukemic blasts and improved survival rates without noticeable off-target toxicity. This study may provide insights into the rational design of nanomedicine platforms enabling bone marrow-targeted delivery of therapeutic agents for the treatment of AML and other bone marrow diseases. The online version contains supplementary material available at 10.1186/s12951-022-01683-4.
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