Intelligent Bio-Responsive Fluorescent Au–shRNA Complexes for Regulated Autophagy and Effective Cancer Bioimaging and Therapeutics
Abstract
:1. Introduction
2. Materials and Methods
2.1. Cell Culture
2.2. Patients and Specimens
2.3. qRT-PCR
2.4. MTT Cytotoxicity Assessment and Cytostatic Test
2.5. Wound Healing Assay
2.6. In Situ Biosynthetic Au–shRNA1 NCs
2.7. Cellular Uptake and Colocalization Studies
2.8. Transmission Electron Microscopy (TEM)
2.9. Atomic Force Microscopy (AFM)
2.10. Fluorescence Confocal Microscopy
2.11. Western Blot Analysis
2.12. GFP-(Microtubule-Associated Protein 1 Light Chain 3 (LC3)/Lysosomal-Associated Membrane Protein2 (LAMP2)/p62 Staining
2.13. Orthotopic Tumor Model
2.14. Statistical Analysis
3. Results and Discussion
3.1. Elevated Expression of MALAT1 Identified in HCC Patients and HCC Cell Lines
3.2. In Situ Self-Assembly of Au–shRNA NCs
3.3. Characterization of Au–shRNA NC Uptake and Escape
3.4. Effective Silencing of Target Gene MALAT1 via Au–shRNA NCs
3.5. Cell Proliferation Inhibition and Apoptosis via Au–shRNA1 NCs
3.6. Physicochemical Characteristics of Bio-Self-Assembled Au–shRNA1 NCs
3.7. Inhibition of Autophagic Flux through Silencing of MALAT1 by Au–shRNA1 NCs
3.8. Au–shRNA1 NCs for Effective Bioimaging and Theranostics in an Orthotopic Tumor Model
4. Conclusions
Supplementary Materials
Author Contributions
Funding
Institutional Review Board Statement
Informed Consent Statement
Data Availability Statement
Acknowledgments
Conflicts of Interest
References
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Cai, W.; Yin, L.; Jiang, H.; Weizmann, Y.; Wang, X. Intelligent Bio-Responsive Fluorescent Au–shRNA Complexes for Regulated Autophagy and Effective Cancer Bioimaging and Therapeutics. Biosensors 2021, 11, 425. https://doi.org/10.3390/bios11110425
Cai W, Yin L, Jiang H, Weizmann Y, Wang X. Intelligent Bio-Responsive Fluorescent Au–shRNA Complexes for Regulated Autophagy and Effective Cancer Bioimaging and Therapeutics. Biosensors. 2021; 11(11):425. https://doi.org/10.3390/bios11110425
Chicago/Turabian StyleCai, Weijuan, Liang Yin, Hui Jiang, Yossi Weizmann, and Xuemei Wang. 2021. "Intelligent Bio-Responsive Fluorescent Au–shRNA Complexes for Regulated Autophagy and Effective Cancer Bioimaging and Therapeutics" Biosensors 11, no. 11: 425. https://doi.org/10.3390/bios11110425