Oliveira Ana Luiza C de S L, Zerillo Luana, Cruz Luis J, Schomann Timo, Chan Alan B, de Carvalho Thaís Gomes, Souza Shirley Vitória de P, Araújo Aurigena A, de Geus-Oei Lioe-Fee, de Araújo Júnior Raimundo F
Postgraduate Program in Health Science, Federal University of Rio Grande do Norte (UFRN), Natal, RN, Brazil; Translational Nanobiomaterials and Imaging (TNI) Group, Radiology Department, Leiden University Medical Centrum, Leiden, the Netherlands; Percuros B. V, Leiden, the Netherlands.
Translational Nanobiomaterials and Imaging (TNI) Group, Radiology Department, Leiden University Medical Centrum, Leiden, the Netherlands; Percuros B. V, Leiden, the Netherlands.
Mater Sci Eng C Mater Biol Appl. 2021 Jan;120:111678. doi: 10.1016/j.msec.2020.111678. Epub 2020 Oct 27.
One of the challenges of nanotechnology is to improve the efficacy of treatments for diseases, in order to reduce morbidity and mortality rates. Following this line of study, we made a nanoparticle formulation with a small size, uniform surfaces, and a satisfactory encapsulation coefficient as a target for colorectal cancer cells. The results of binding and uptake prove that using the target system with folic acid works: Using this system, cytotoxicity and cell death are increased when compared to using free oxaliplatin. The data show that the system maximized the efficiency of oxaliplatin in modulating tumor progression, increasing apoptosis and decreasing resistance to the drug. Thus, for the first time, our findings suggest that PLGA-PEG-FA increases the antitumor effectiveness of oxaliplatin by functioning as a facilitator of drug delivery in colorectal cancer.
纳米技术面临的挑战之一是提高疾病治疗的疗效,以降低发病率和死亡率。沿着这条研究路线,我们制备了一种纳米颗粒制剂,其具有小尺寸、均匀表面和令人满意的包封系数,作为结直肠癌细胞的靶向制剂。结合和摄取结果证明,使用含叶酸的靶向系统是有效的:与使用游离奥沙利铂相比,使用该系统时细胞毒性和细胞死亡增加。数据表明,该系统使奥沙利铂调节肿瘤进展、增加细胞凋亡和降低耐药性的效率最大化。因此,我们的研究结果首次表明,PLGA-PEG-FA通过作为结直肠癌药物递送的促进剂来提高奥沙利铂的抗肿瘤效果。