School of Pharmacy, Sungkyunkwan University, 2066 Seobu-ro, Jangan-gu, Suwon, 16419, Gyeonggi- do, Republic of Korea.
Division of Biotechnology, The Catholic University of Korea, 43 Jibong-ro, Bucheon-si, 14662, Gyeonggi-do, Republic of Korea.
Arch Pharm Res. 2021 Feb;44(2):182-193. doi: 10.1007/s12272-020-01264-9. Epub 2020 Aug 17.
Albumin nanoparticles have become an attractive cancer nanomedicine platform due to their pharmaceutical advantages. Recently, photothermal therapy has been extensively applied to cancer treatment due to heat-induced tumor ablation. Herein, we fabricated albumin nanoparticles (HSA-NPs) loaded with paclitaxel (PTX), indocyanine green (ICG; a hyperthermal agent) and hyaluronidase (HAase) that breaks down hyaluronan, a major component of the extracellular matrix (ECM) in tumors. Synthesis was based on a slightly modified nanoparticle albumin-bound (Nab™) technique. The prepared nanoparticles (PTX/ICG/HAase-HSA-NPs) had a spherical shape with an average size of ~ 110 nm and a zeta potential of ~ -30.4 mV. They displayed good colloidal stability and typical patterns of ICG, HSA and HAase in UV-VIS-NIR and circular dichroism spectroscopic analysis. PTX/ICG/HAase-HSA-NPs were found to have excellent hyperthermal effects in response to near-infrared laser irradiation (808 nm) (up to > 50 °C over 4 min). The hyperthermia conducted by PTX/ICG/HAase-HSA-NPs resulted in significant cytotoxicity to pancreatic AsPC-1 cells at both severe (> 50 °C) and mild (41-42 °C) hyperthermal states in conjunction with the inherent cytotoxic activity of paclitaxel. Furthermore, the confocal images of AsPC-1 cell spheroids proved PTX/ICG/HAase-HSA-NPs were able to permeate deeply into the three-dimensional tumor tissue mimicry structure. Most of all, PTX/ICG/HAase-HSA-NPs maintained all these physicochemical and anti-cancer properties irrespective of the amount of embedded HAase (1-5 mg). Our results demonstrated that PTX/ICG/HAase-HSA-NPs are a promising hyperthermal/chemotherapeutic anticancer agent.
白蛋白纳米粒由于其药学优势,已成为一种有吸引力的癌症纳米医学平台。最近,光热疗法由于热诱导肿瘤消融而被广泛应用于癌症治疗。在此,我们制备了负载紫杉醇(PTX)、吲哚菁绿(ICG;一种高热剂)和透明质酸酶(HAase)的白蛋白纳米粒(HSA-NPs),透明质酸酶可分解肿瘤细胞外基质(ECM)的主要成分透明质酸。合成基于稍微修改过的纳米颗粒白蛋白结合(Nab™)技术。所制备的纳米粒(PTX/ICG/HAase-HSA-NPs)呈球形,平均粒径约为 110nm,zeta 电位约为-30.4mV。它们表现出良好的胶体稳定性和典型的 ICG、HSA 和 HAase 在紫外可见近红外分光光度和圆二色光谱分析中的模式。PTX/ICG/HAase-HSA-NPs 在近红外激光照射(808nm)下表现出优异的高热效应(4min 内超过 50°C)。PTX/ICG/HAase-HSA-NPs 产生的热疗在严重(>50°C)和温和(41-42°C)高热状态下均与紫杉醇的固有细胞毒性一起对胰腺 AsPC-1 细胞具有显著的细胞毒性。此外,AsPC-1 细胞球体的共聚焦图像证明,PTX/ICG/HAase-HSA-NPs 能够深入渗透到三维肿瘤组织模拟结构中。最重要的是,PTX/ICG/HAase-HSA-NPs 保持了所有这些物理化学和抗癌特性,而与嵌入的 HAase 量(1-5mg)无关。我们的结果表明,PTX/ICG/HAase-HSA-NPs 是一种有前途的高热/化学抗癌药物。
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