Nanoscaled Poly(vinyl alcohol)/Hydroxyapatite/DNA Complex for Gene Delivery
Author Information
Author(s): Kimura Tsuyoshi, Nibe Yoichi, Funamoto Seiichi, Okada Masahiro, Furuzono Tsutomu, Ono Tsutomu, Yoshizawa Hidekazu, Fujisato Toshiya, Nam Kwangwoo, Kishida Akio
Primary Institution: Tokyo Medical and Dental University
Hypothesis
Can nanoscaled hydroxyapatite enhance the transfection efficiency of PVA/DNA nanoparticles without significant cytotoxicity?
Conclusion
The study developed PVA/DNA nanoparticles encapsulating hydroxyapatite that enhance transfection efficiency without significant cytotoxicity.
Supporting Evidence
- PVA/DNA nanoparticles showed no significant cytotoxicity.
- Encapsulation of hydroxyapatite enhanced cellular uptake and transgene expression.
- In vivo studies demonstrated effective gene delivery using hydrodynamic injection.
Takeaway
The researchers made tiny particles that can help deliver DNA into cells safely and effectively.
Methodology
The PVA/HAp/DNA complexes were prepared using high hydrostatic pressure and their cellular uptake, cytotoxicity, and transfection efficiency were evaluated in vitro and in vivo.
Limitations
The transfection efficiency of PVA/HAp/DNA nanoparticles was lower than that of optimized calcium phosphate methods.
Participant Demographics
COS-7 cells were used for in vitro studies, and mice were used for in vivo studies.
Statistical Information
P-Value
p<0.05
Statistical Significance
p<0.05
Digital Object Identifier (DOI)
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