Trap and kill strategy for non-BRCA mutant pancreatic cancer by co-delivery of olaparib and JQ1 with plectin-1 targeting peptide nanoparticles
Trap and kill strategy for non-BRCA mutant pancreatic cancer by co-delivery of olaparib and JQ1 with plectin-1 targeting peptide nanoparticles
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通过将奥拉帕尼和 JQ1 与 plectin-1 靶向肽纳米粒子共同递送来捕获和杀死非 BRCA 突变胰腺癌的策略
DOI:
10.1016/j.nantod.2020.100877
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发表时间:
2020-08
期刊:
影响因子:
17.4
通讯作者:
杨尹默
中科院分区:
文献类型:
--
作者:
杨尹默
The poly (ADP-ribose) polymerase (PARP) inhibitor olaparib (Ola), which inhibits the repair of DNA single-strand breaks, has been approved recently by the Food and Drug Administration (FDA) of U.S. for treatment of advanced pancreatic cancer patients withBRCA(Breast Cancer) mutations. However, the response of the pancreatic cancer patients with non-BRCAmutant to Ola treatment remains suboptimal. There is an urgent need to develop effective therapeutic solutions for the majority pancreatic patients. Recently, the drug combination of Ola and the homologous recombination inhibitor JQ1 to treat non-BRCAmutant pancreatic cancers has showed promising outcomes. Herein, we took the advantage of peptide nanoparticle platform, which possesses high drug loading capacity, desirable pharmacokinetic profiles and integration of peptide targeting motif, and developed a tailor-designed plectin-1 targeting peptide nanoparticles (PTNPs) for co-delivery of Ola and JQ1 to treat non-BRCAmutant pancreatic cancers. We confirmed that the majority pancreatic tumor cells are plectin-1 positive. The PTNPs efficiently targeted plectin-1 positive pancreatic tumor cellsin vitroand significantly accumulated in tumor sitein vivo. The targeted co-delivery of Ola and JQ1 induced much more pancreatic tumor cell apoptosis and significantly enhanced the synergistic effect of combination treatment of Ola and JQ1 in both orthotopic and patient-derived xenograft (PDX) models. Furthermore, this precise delivery of highly coordinated drugs to tumor cells distinctly reduced adverse effects caused by combination of Ola and JQ1.
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期刊:
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影响因子:
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