Integration of caveolin-mediated cytosolic delivery and enzyme-responsive releasing of squalenoyl nanoparticles enhance the anti-cancer efficacy of chidamide in pancreatic cancer
作者:Junyan Chen、Kaidi Chen、Shuai Xue、Xiao Cheng、Yuwei Qi、Hangjie Wang、Wei Li、Guilin Cheng、Yang Xiong、Chaofeng Mu、Mancang Gu
DOI:10.1016/j.ijpharm.2024.124072
日期:2024.4
anti-pancreatic cancer efficacy, inducing cancer cell apoptosis and inhibiting proliferation . Mechanistic studies revealed that AEAA surface modification on nanoparticles promoted intracellular uptake through caveolin-mediated endocytosis. This nanoparticle system presents a novel therapeutic approach for pancreatic cancer treatment, offering a delivery strategy to enhance efficacy through improved
我们探索了通过增强亲水性化疗药物的摄取来克服胰腺癌治疗中致密间质屏障的潜力。在这项研究中,我们合成了角鲨烯酰西达本胺前药(SQ-CHI),通过胰蛋白酶响应键将亲脂性角鲨烯(SQ)与亲水性抗肿瘤药物西达本胺(CHI)连接起来。具有 σ 受体结合氨基乙基茴香酰胺 (AEAA) 修饰的自组装纳米颗粒,形成 AEAA-PEG-SQ-CHI NP(AC NP,尺寸 116.6 ± 0.4 nm),以及未经 AEAA 修饰的参考纳米颗粒,形成 mPEG-SQ-CHI NP制备了(M−C NP,尺寸 88.3 ± 0.3 nm)。与不含胰蛋白酶的培养基中的释放 (20.2%) 相比,AC NP 在 0.5% 胰蛋白酶培养基中表现出显着更高的 CHI 释放 (74.7%)。细胞摄取测定显示,与 M−C NP 相比,AC NP 对 PSN-1/HPSC 或 CFPAC-1/HPSC 肿瘤球的渗透率分别高 3