Targeted Imaging and Induction of Apoptosis of Drug-resistant Hepatoma Cells by MiR-122-loaded Graphene-InP Nanocompounds

Overview

Journal J Nanobiotechnology

Publisher Biomed Central

Specialty Biotechnology

Date 2017 Jan 25

PMID 28114997

Citations 8

Authors

Xin Zeng

Yi Yuan

Ting Wang

Han Wang

Xianyun Hu

Ziyi Fu

Gen Zhang

Bin Liu

Guangming Lu

Affiliations

Soon will be listed here.

Abstract

Background: Currently, graphene oxide has attracted growing attention as a drug delivery system due to its unique characteristics. Furthermore, utilization of microRNAs as biomarkers and therapeutic strategies would be particularly attractive because of their biological mechanisms and relatively low toxicity. Therefore, we have developed functionalized nanocompounds consisted of graphene oxide, quantum dots and microRNA, which induced cancer cells apoptosis along with targeted imaging.

Results: In the present study, we synthesized a kind of graphene-P-gp loaded with miR-122-InP@ZnS quantum dots nanocomposites (GPMQNs) that, in the presence of glutathione, provides controlled release of miR-122. The miR-122 actively targeted liver tumor cells and induced their apoptosis, including drug-resistant liver tumor cells. We also explored the near-infrared fluorescence and potential utility for targeting imaging of InP@ZnS quantum dots. To further understand the molecular mechanism of GPMQNs-induced apoptosis of drug-resistant HepG2/ADM hepatoma cells, the relevant apoptosis proteins and signal pathways were explored in vitro and in vivo. Furthermore, near-infrared GPMQNs, which exhibited reduced photon scattering and auto-fluorescence, were applied for tumor imaging in vivo to allow for deep tissue penetration and three-dimensional imaging.

Conclusion: In conclusion, techniques using GPMQNs could provide a novel targeted treatment for liver cancer, which possessed properties of targeted imaging, low toxicity, and controlled release.

Citing Articles

Role of miRNA‑122 in cancer (Review).

Zhang J, Wu L, Ding R, Deng X, Chen Z Int J Oncol. 2024; 65(3).

PMID: 39027994 PMC: 11299766. DOI: 10.3892/ijo.2024.5671.

Functionalization and optimization-strategy of graphene oxide-based nanomaterials for gene and drug delivery.

Han X, Zheng K, Wang R, Yue S, Chen J, Zhao Z Am J Transl Res. 2020; 12(5):1515-1534.

PMID: 32509159 PMC: 7270027.

The Underlying Mechanisms of Noncoding RNAs in the Chemoresistance of Hepatocellular Carcinoma.

Wang M, Yu F, Chen X, Li P, Wang K Mol Ther Nucleic Acids. 2020; 21:13-27.

PMID: 32505000 PMC: 7270498. DOI: 10.1016/j.omtn.2020.05.011.

Circular RNA ABCB10 promotes hepatocellular carcinoma progression by increasing HMG20A expression by sponging miR-670-3p.

Fu Y, Cai L, Lei X, Wang D Cancer Cell Int. 2020; 19:338.

PMID: 31889891 PMC: 6915995. DOI: 10.1186/s12935-019-1055-z.

Nanoscale delivery systems for microRNAs in cancer therapy.

Boca S, Gulei D, Zimta A, Onaciu A, Magdo L, Tigu A Cell Mol Life Sci. 2019; 77(6):1059-1086.

PMID: 31637450 PMC: 11105078. DOI: 10.1007/s00018-019-03317-9.

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