Kutwin Marta, Sawosz Ewa, Jaworski Sławomir, Wierzbicki Mateusz, Strojny Barbara, Grodzik Marta, Ewa Sosnowska Malwina, Trzaskowski Maciej, Chwalibog André
Department of Animal Nutrition and Biotechnology, Faculty of Animal Science, Warsaw University of Life Sciences, 02-786 Warsaw, Poland.
Centre for Advanced Materials and Technologies CEZAMAT, Warsaw University of Technology, 02-822 Warsaw, Poland.
Materials (Basel). 2019 Mar 19;12(6):909. doi: 10.3390/ma12060909.
Inefficient drug administration into cancer cells is related to the chemoresistance of cancer cells caused by genetic mutations including genes involved in drug transport, enzyme metabolism, and/or DNA damage repair. The objective of the present study was to evaluate the properties of platinum (NP-Pt), graphene oxide (GO), and the nanocomplex of GO functionalized with platinum nanoparticles (GO-NP-Pt) against several genetically, phenotypically, and metabolically different cancer cell lines: Colo205, HT-29, HTC-116, SW480, HepG2, MCF-7, LNCaP, and Hela B. The anticancer effects toward the cancer cell lines were evaluated by 2,3-bis-(2-methoxy-4-nitro-5-sulfophenyl)-2H-tetrazolium-5-carboxyanilide salt (XTT) and bromodeoxyuridine (BrdU) assays and measurements of cell apoptosis and morphology deformations. The NP-Pt and GO could effectively be introduced to cancer cells, but more effective delivery was observed after GO-NP-Pt treatment. The delivery of the GO-NP-Pt nanocomplex significantly decreased the viability of Colo 205 and HepG2 cells, but did not increase the cytotoxicity of other investigated cancer cells. The nanocomplex GO-NP-Pt also significantly increased the apoptosis of Colo 205 and HepG2 cancer cells. The obtained results suggest that the nanocomplex GO-NP-Pt is a remarkable nanostructure that can improve the delivery of Pt nanoparticles into cancer cells and has potential anticancer applications.
药物向癌细胞内的低效输送与癌细胞的化疗耐药性有关,这种耐药性由基因突变引起,包括参与药物转运、酶代谢和/或DNA损伤修复的基因。本研究的目的是评估铂(NP-Pt)、氧化石墨烯(GO)以及用铂纳米颗粒功能化的氧化石墨烯纳米复合物(GO-NP-Pt)对几种在基因、表型和代谢方面不同的癌细胞系的特性:Colo205、HT-29、HTC-116、SW480、HepG2、MCF-7、LNCaP和Hela B。通过2,3-双-(2-甲氧基-4-硝基-5-磺基苯基)-2H-四唑-5-甲酰苯胺盐(XTT)和溴脱氧尿苷(BrdU)测定以及细胞凋亡和形态变形测量来评估对癌细胞系的抗癌作用。NP-Pt和GO能够有效地进入癌细胞,但在GO-NP-Pt处理后观察到更有效的递送。GO-NP-Pt纳米复合物的递送显著降低了Colo 205和HepG2细胞的活力,但未增加其他所研究癌细胞的细胞毒性。纳米复合物GO-NP-Pt还显著增加了Colo 205和HepG2癌细胞的凋亡。所得结果表明,纳米复合物GO-NP-Pt是一种显著的纳米结构,能够改善铂纳米颗粒向癌细胞内的递送,具有潜在的抗癌应用。
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