Aptamer Functionalized Upconversion Nanotheranostic Agent With Nuclear Targeting as the Highly Localized Drug-Delivery System of Doxorubicin
Open Access
- 22 February 2021
- journal article
- research article
- Published by Frontiers Media SA in Frontiers in Bioengineering and Biotechnology
Abstract
As a widely used anti-cancer drug, doxorubicin (DOX) could induce cell death mainly via interfering with DNA activity, thus, DOX could perform therapeutic effects mainly in cell nucleus. However, most of the reported drug delivery systems lacked the well localization in the nucleus and released DOX molecules into the cytoplasm. Due to formidable barriers formed in the nuclear envelope, only around 1% of DOX could reach the nucleus and keep active. Therefore, DOX molecules were inevitably overloaded to achieve the desired therapeutic efficacy, which would induce serious side-effects. Herein, we developed a highly-localized drug nanocarrier for in-situ release of DOX molecules to their action site where they could directly interfere with the DNA activity. In this work, we used cationic polymer modified upconversion nanoparticles (UCNPs) as the luminescence core and gene carrier, while aptamers served as the DNA nanotrain to load DOX. Finally, the prepared nanotheranostic agent displayed good targetability, high cell apoptosis ratio (93.04%) with quite lower concentration than the LC50 of DOX, and obvious inhibition on tumor growth.Keywords
Funding Information
- National Natural Science Foundation of China (21605068, 21775063, 21705069)
- Shandong Provincial Finance Department
- Shandong Provincial Social Science Planning and Management Office
This publication has 38 references indexed in Scilit:
- Potential biomarker for aspirin use in colorectal cancer therapyNature Reviews Clinical Oncology, 2012
- DNA Self‐Assembly of Targeted Near‐Infrared‐Responsive Gold Nanoparticles for Cancer Thermo‐ChemotherapyAngewandte Chemie International Edition, 2012
- Nuclear-Targeted Drug Delivery of TAT Peptide-Conjugated Monodisperse Mesoporous Silica NanoparticlesJournal of the American Chemical Society, 2012
- Proliferating Cell Nuclear Antigen Is a Novel Inhibitory Ligand for the Natural Cytotoxicity Receptor NKp44The Journal of Immunology, 2011
- Upconversion nanophosphors for small-animal imagingChemical Society Reviews, 2011
- Upconverting NanoparticlesAngewandte Chemie International Edition, 2011
- Polymer-Caged Nanobins for Synergistic Cisplatin−Doxorubicin Combination ChemotherapyJournal of the American Chemical Society, 2010
- A Drug-Loaded Aptamer−Gold Nanoparticle Bioconjugate for Combined CT Imaging and Therapy of Prostate CancerACS Nano, 2010
- PCNA on the crossroad of cancerBiochemical Society Transactions, 2009
- AS1411 Alters the Localization of a Complex Containing Protein Arginine Methyltransferase 5 and NucleolinCancer Research, 2007