Mcl-1 small-molecule inhibitors encapsulated into nanoparticles exhibit increased killing efficacy towards HCMV-infected monocytes.

Mcl-1 small-molecule inhibitors encapsulated into nanoparticles exhibit increased killing efficacy towards HCMV-infected monocytes.
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DOI:
10.1016/j.antiviral.2016.11.027
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发表时间:
2017-03
期刊:
影响因子:
7.6
通讯作者:
Chan GC
Chan GC
中科院分区:
医学2区
文献类型:
--
作者:
Burrer CM;Auburn H;Wang X;Luo J;Abulwerdi FA;Nikolovska-Coleska Z;Chan GC

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人巨细胞病毒(HCMV)通过上调Bcl-2蛋白家族的抗凋亡成员Mcl-1刺激携带者骨髓细胞的存活,在宿主内传播并建立持续感染。然而,缺乏有效的Mcl-1特异性抑制剂和靶向递送系统限制了利用Mcl-1作为消除HCMV感染的单核细胞的治疗策略的能力。在这项研究中,我们发现一种新型Mcl-1小分子抑制剂的先导化合物可迅速诱导HCMV感染的单核细胞死亡。此外,将Mcl-1拮抗剂包封到髓样细胞靶向纳米颗粒中能够选择性地增加抑制剂向HCMV激活的单核细胞中的递送,从而增强其效力。我们的研究表明了纳米技术的潜在用途,靶向Mcl-1小分子抑制剂的HCMV感染的单核细胞。
Human cytomegalovirus (HCMV) spreads and establishes a persistent infection within a host by stimulating the survival of carrier myeloid cells via the upregulation of Mcl-1, an antiapoptotic member of the Bcl-2 family of proteins. However, the lack of potent Mcl-1-specific inhibitors and a targetable delivery system has limited to ability to exploit Mcl-1 as a therapeutic strategy to eliminate HCMV-infected monocytes. In this study, we found a lead compound from a novel class of Mcl-1 small-molecule inhibitors rapidly induced death of HCMV-infected monocytes. Moreover, encapsulation of Mcl-1 antagonists into myeloid cell-targeting nanoparticles was able to selectively increase the delivery of inhibitors into HCMV-activated monocytes, thereby amplifying their potency. Our study demonstrates the potential use of nanotechnology to target Mcl-1 small-molecule inhibitors to HCMV-infected monocytes.
用于紫杉醇和顺铂共递送的Telodendrimer纳米载体:一种用于卵巢癌治疗的协同组合纳米疗法。
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