Harnessing Nanomedicine to Potentiate the Chemo-Immunotherapeutic Effects of Doxorubicin and Alendronate Co-Encapsulated in Pegylated Liposomes.

Harnessing Nanomedicine to Potentiate the Chemo-Immunotherapeutic Effects of Doxorubicin and Alendronate Co-Encapsulated in Pegylated Liposomes.
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DOI:
10.3390/pharmaceutics15112606
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发表时间:
2023-11-09
期刊:
影响因子:
5.4
通讯作者:
La-Beck NM
La-Beck NM
中科院分区:
医学2区
文献类型:
--
作者:
Gabizon A;Shmeeda H;Draper B;Parente-Pereira A;Maher J;Carrascal-Miniño A;de Rosales RTM;La-Beck NM

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众所周知,在聚乙二醇化(Stealth)脂质体中包封多柔比星(Dox)(一种有效的细胞毒性剂和免疫原性细胞死亡诱导剂)与用游离Dox治疗相比具有主要的药理学优势。阿仑膦酸钠(Ald),一种有效的氨基二膦酸盐,通过封装在聚乙二醇化脂质体中,通过与肿瘤相关巨噬细胞的相互作用和γ-δ T淋巴细胞亚群的活化产生显著的免疫调节作用。在这里,我们提出了我们的研究工作的最新发现与制剂的Dox和Ald共封装在聚乙二醇化脂质体(PLAD),并讨论其药理学性质维斯维斯自由Dox和目前的临床制剂的聚乙二醇化脂质体Dox。PLAD是一种稳健的制剂,具有高的和可再现的Dox远程负载以及在血浆中的高稳定性。生物分布研究、放射性核素标记的脂质体成像以及作为单一药物和与免疫检查点抑制剂或γ-δ T淋巴细胞组合的治疗研究的结果表明,与游离Dox和聚乙二醇化脂质体Dox的临床制剂相比,PLAD是一种独特的产品,具有独特的肿瘤微环境相互作用和独特的药理学特性。这些结果强调了PLAD用于癌症化学免疫治疗的潜在附加值以及纳米医学中共封装方法的相关性。
Encapsulation of Doxorubicin (Dox), a potent cytotoxic agent and immunogenic cell death inducer, in pegylated (Stealth) liposomes, is well known to have major pharmacologic advantages over treatment with free Dox. Reformulation of alendronate (Ald), a potent amino-bisphosphonate, by encapsulation in pegylated liposomes, results in significant immune modulatory effects through interaction with tumor-associated macrophages and activation of a subset of gamma-delta T lymphocytes. We present here recent findings of our research work with a formulation of Dox and Ald co-encapsulated in pegylated liposomes (PLAD) and discuss its pharmacological properties vis-à-vis free Dox and the current clinical formulation of pegylated liposomal Dox. PLAD is a robust formulation with high and reproducible remote loading of Dox and high stability in plasma. Results of biodistribution studies, imaging with radionuclide-labeled liposomes, and therapeutic studies as a single agent and in combination with immune checkpoint inhibitors or gamma-delta T lymphocytes suggest that PLAD is a unique product with distinct tumor microenvironmental interactions and distinct pharmacologic properties when compared with free Dox and the clinical formulation of pegylated liposomal Dox. These results underscore the potential added value of PLAD for chemo-immunotherapy of cancer and the relevance of the co-encapsulation approach in nanomedicine.
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