What question did this study set out to answer?

To develop and evaluate a transferrin-targeted cyclodextrin polymer nanoparticle system capable of delivering therapeutic nucleic acids specifically to cancer cells.

November 1, 2003Bioconjugate Chemistry

Transferrin-Containing, Cyclodextrin Polymer-Based Particles for Tumor-Targeted Gene Delivery

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Authors

NBNathalie C. BellocqDebiopharm (Switzerland)SPSuzie H. PunSeattle Pacific University GJGregory S. JensenArizona State University

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Implication

In vitro study demonstrates enhanced gene transfection in leukemia cells using transferrin-targeted cyclodextrin nanoparticles, highlighting potential for systemic cancer therapy.

Key Points

To develop and evaluate a transferrin-targeted cyclodextrin polymer nanoparticle system capable of delivering therapeutic nucleic acids specifically to cancer cells.
Formulated gene delivery nanoparticles by condensing cyclodextrin polycations with nucleic acids.
Synthesized a transferrin-PEG-adamantane conjugate that self-assembles onto cyclodextrin nanoparticles via host-guest inclusion complexes.
Assessed nanoparticle stability in physiologic salt conditions and measured transfection efficiency in K562 leukemia cells in the presence and absence of competitive free transferrin.
Transferrin-PEG-adamantane conjugates retained receptor binding affinity and maintained particle stability in physiologic salt concentrations at low modification levels.
Transferrin-modified nanoparticles achieved higher transfection efficiency in K562 leukemia cells compared to untargeted particles, an effect eliminated in the presence of excess free transferrin.

Cite This Study

Bellocq et al. (2003) studied this question.

synapsesocial.com/papers/6a826a8dce17449fdfffbbcc https://doi.org/10.1021/bc034125f

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Implication

In vitro study demonstrates enhanced gene transfection in leukemia cells using transferrin-targeted cyclodextrin nanoparticles, highlighting potential for systemic cancer therapy.

Transferrin-Containing, Cyclodextrin Polymer-Based Particles for Tumor-Targeted Gene Delivery

Discussion

Member takes

Implication

Key Points

Cite This Study

Transferrin-Containing, Cyclodextrin Polymer-Based Particles for Tumor-Targeted Gene Delivery

Discussion

Member takes

Implication

Key Points

Cite This Study

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