Direct Polymerization of the Arsenic Drug PENAO to Obtain Nanoparticles with High Thiol-Reactivity and Anti-Cancer Efficiency
作者:Janina-Miriam Noy、Hongxu Lu、Philip J. Hogg、Jia-Lin Yang、Martina Stenzel
DOI:10.1021/acs.bioconjchem.8b00032
日期:2018.2.21
phenylarsonous acid methacrylamide) which undergoes RAFT (reversible addition–fragmentation chain transfer) polymerization with poly(ethylene glycol methyl ether methacrylate) as comonomer and poly(methyl methacrylate) (pMMA) as chain transfer agent, resulting in p(MMA)-b-p(PEG-co-PENAO) block copolymers with 3–15 wt % of PENAO MA. The different block copolymers self-assembled into micelle structures, varying
PENAO(4-(N-(S-青霉胺基乙酰基)氨基)苯基砷酸)是一种线粒体抑制剂,可与腺嘌呤核苷酸转运蛋白(ANT)发生反应,目前正在实体瘤患者中进行试验。为了增加药物的稳定性,已经提出了纳米颗粒的形成。在此,提出了基于抗癌药PENAO的高分子胶束的直接合成。PENAO很容易用于酰胺化反应以形成PENAO MA(4-(N-(S-聚乙烯亚胺基乙酰基)氨基)苯基砷酸甲基丙烯酰胺)经过RAFT(可逆加成-断裂链转移)聚合,以聚(乙二醇甲基醚甲基丙烯酸甲酯)为共聚单体,聚(甲基丙烯酸甲酯)(pMMA)为链转移剂,得到p( MMA)-b -p(PEG- co - PENAO)嵌段共聚物,含3-15 wt%的PENAO MA。不同的嵌段共聚物自组装成胶束结构,大小和稳定性各不相同(D h = 84–234 nm,cmc = 0.5–82μgmol –1)取决于聚合物嵌段的亲水性与疏水性比率以及颗粒电晕中