ArticleInternational journal of nanomedicine2014
Efficient gene delivery system mediated by cis-aconitate-modified chitosan-g-stearic acid micelles.
Article in International journal of nanomedicine, 2014. The graph could read no effect estimate from its abstract, so it casts no vote on the map. Cited by 4 papers.
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Who cites it
4 citing papers in PubMed.
- Recent advances of metal-based nanoparticles in nucleic acid delivery for therapeutic applications.Journal of nanobiotechnology · 2022Review
- Hepatitis B virus S gene therapy with 10-23 DNAzyme delivered by chitosan-RSC advances · 2019Article
- Endocytosis in gene therapy with non-viral vectors.Wiener medizinische Wochenschrift (1946) · 2016Review
- The janus facet of nanomaterials.BioMed research international · 2015Review
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Authors and funding
5 authors.
Funding
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Abstract
Cis-aconitate-modified chitosan-g-stearic acid (CA-CSO-SA) micelles were synthesized in this study to improve the gene transfection efficiency of chitosan-g-stearic acid (CSO-SA). The CA-CSO-SA micelles had a similar size, critical micelle concentration, and morphology, but their zeta potential and cytotoxicity were reduced compared with CSO-SA micelles. After modification with cis-aconitate, the CA-CSO-SA micelles could also compact plasmid DNA (pDNA) to form nanocomplexes. However, the DNA binding ability of CA-CSO-SA was slightly reduced compared with that of CSO-SA. The transfection efficiency mediated by CA-CSO-SA/pDNA against HEK-293 cells reached up to 37%, and was much higher than that of CSO-SA/pDNA (16%). Although the cis-aconitate modification reduced cellular uptake kinetics in the initial stages, the total amount of cellular uptake tended to be the same after 24 hours of incubation. An endocytosis inhibition experiment showed that the internalization mechanism of CA-CSO-SA/pDNA in HEK-293 cells was mainly via clathrin-mediated endocytosis, as well as caveolae-mediated endocytosis and macropinocytosis. Observation of intracellular trafficking indicated that the CSO-SA/pDNA complexes were trapped in endolysosomes, but CA-CSO-SA/pDNA was more widely distributed in the cytosol. This study suggests that modification with cis-aconitate improves the transfection efficiency of CSO-SA/pDNA.
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