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首页> 外文期刊>Journal of Medicinal Chemistry >Polymer-Drug Conjugates for Combination Anticancer Therapy: Investigating the Mechanism of Action
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Polymer-Drug Conjugates for Combination Anticancer Therapy: Investigating the Mechanism of Action

机译:聚合物-药物结合物用于联合抗癌治疗:研究作用机理

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摘要

We developed a family of polymer-drug conjugates carrying the combination of the anticancer agent epirubicin (EPI) and nitric oxide (NO). EPIPEG-(NO)(8), carrying the highest content of NO, displayed greater activity in Caco-2 cells while it decreased toxicity against endothelium cells and cardiomyocytes with respect to free EPI. FACS and confocal microscopy confirmed conjugates internalization. Light scattering showed formation of micelle whose size correlated with internalization rate. EPI-PEG-(NO)(8) showed increased bioavailability in mice compared to free EPI.
机译:我们开发了带有抗癌药表柔比星(EPI)和一氧化氮(NO)组合的聚合物-药物偶联物家族。具有最高含量的NO的EPIPEG-(NO)(8)在Caco-2细胞中表现出更大的活性,同时相对于游离EPI而言,它降低了对内皮细胞和心肌细胞的毒性。流式细胞仪和共聚焦显微镜证实了缀合物的内在化。光散射表明形成胶束,其尺寸与内在化速率相关。与游离EPI相比,EPI-PEG-(NO)(8)在小鼠中显示出更高的生物利用度。

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