负载阿霉素、磷脂酶D抑制剂5-氟-2-吲哚基去氯卤培米特(FIPI)和琥珀酸维生素E(α-TOS)的脂质体用于抗转移的制备与评价
Preparation and Evaluation of Liposomes Co-Loaded with Doxorubicin, Phospholipase D Inhibitor 5-Fluoro-2-Indolyl Deschlorohalopemide (FIPI) and D-Alpha Tocopheryl Acid Succinate (α-TOS) for Anti-Metastasis.
作者信息
Song Maoyuan, Wang Jiaxing, Lei Jiongxi, Peng Guanghua, Zhang Wenxi, Zhang Yuanyuan, Yin Mengya, Li Jiajia, Liu Yajie, Wei Xiaomeng, Li Xinru, Li Guiling
机构信息
Institute of Medicinal Biotechnology, Chinese Academy of Medical Science and Peking Union Medical College, Beijing, 100050, China.
Beijing Key Laboratory of Molecular Pharmaceutics and New Drug System, School of Pharmaceutical Sciences, Peking University Health Science Center, Beijing, 100191, China.
出版信息
Nanoscale Res Lett. 2019 Apr 18;14(1):138. doi: 10.1186/s11671-019-2964-4.
Tumor metastasis has become a key obstacle to cancer treatment, which causes high mortality. Nowadays, it involves multiple complex pathways, and conventional treatments are not effective due to fewer targets. The aims of the present study were to construct a novel liposome delivery system co-loading a specific PLD inhibitor 5-fluoro-2-indolyldes-chlorohalopemide (FIPI) in combination with antitumor drug doxorubicin (DOX) and functional excipient D-alpha tocopheryl acid succinate (α-TOS) for anti-metastasis. In this study, the liposomes containing three components (DFT-Lip) with different physicochemical properties were successfully prepared by film dispersion method combined with pH-gradient method. Physicochemical parameters such as particles size, potential, encapsulation efficiency, stability, and release profiles were investigated. In vitro and in vivo anti-metastasis effectiveness against highly metastatic breast cancer MDA-MB-231 cell line was evaluated. The liposomes showed uniform particle size (approximately 119 nm), high drug encapsulation efficiency (> 90%), slow release characteristics and stability. In vitro anti-tumor cell metastasis study demonstrated DFT-Lip could greatly inhibit motility, migration and invasion of MDA-MB-231 cells compared to other liposomes, predicting a synergistic anti-tumor metastasis effect between FIPI with α-TOS in liposomes. In vivo anti-metastasis study showed that DFT-Lip prevented the initiation and the progression of metastasis of high metastatic breast cancer. These results suggested that the liposomes containing DOX, FIPI, and α-TOS might be a promising strategy for metastatic tumor therapy in clinics.
肿瘤转移已成为癌症治疗的关键障碍,导致高死亡率。如今,肿瘤转移涉及多个复杂途径,且由于靶点较少,传统治疗方法效果不佳。本研究的目的是构建一种新型脂质体递送系统,该系统共负载一种特定的磷脂酶D(PLD)抑制剂5-氟-2-吲哚基去氯卤培米特(FIPI),并联合抗肿瘤药物阿霉素(DOX)和功能性辅料琥珀酸维生素E(α-TOS)用于抗转移治疗。在本研究中,采用薄膜分散法结合pH梯度法成功制备了含有三种具有不同理化性质成分的脂质体(DFT-Lip)。研究了其粒径、电位、包封率、稳定性和释放曲线等理化参数。评估了其对高转移性乳腺癌MDA-MB-231细胞系的体外和体内抗转移效果。该脂质体显示出粒径均匀(约为纳米)、药物包封率高(>90%)、缓释特性和稳定性。体外抗肿瘤细胞转移研究表明,与其他脂质体相比,DFT-Lip能显著抑制MDA-MB-细胞的运动、迁移和侵袭,预示脂质体中FIPI与α-TOS之间具有协同抗肿瘤转移作用。体内抗转移研究表明,DFT-Lip可预防高转移性乳腺癌转移的起始和进展。这些结果表明,含有DOX、FIPI和α-TOS的脂质体可能是临床上治疗转移性肿瘤的一种有前景的策略。
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