Targeting the Folate Receptor: Effects of Conjugating Folic Acid to DOX Loaded Polymeric Micelles

In this paper, we report on a potential cancer drug delivery system that utilizes the ligand targeting of the folate receptor. Our drug delivery system consists of Pluronic-P105 micelles, targeted with folic acid moieties. A melanoma folate positive (FR+) (B16-F10), and a fibroblast folate negative...

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Bibliographic Details
Main Author: Elkhodiry, Mohamed A. (author)
Other Authors: Husseini, Ghaleb (author), Velluto, Diana (author)
Format: article
Published: 2016
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Online Access:http://hdl.handle.net/11073/21344
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Summary:In this paper, we report on a potential cancer drug delivery system that utilizes the ligand targeting of the folate receptor. Our drug delivery system consists of Pluronic-P105 micelles, targeted with folic acid moieties. A melanoma folate positive (FR+) (B16-F10), and a fibroblast folate negative (FR-) (NIH-3T3) cell lines are used to compare the cellular accumulation of a chemotherapeutic drug (Doxorubicin) when the delivery is mediated by folated Pluronic P105 micelles. In order to obtain a proper comparison, we corrected for the quenching of Doxorubicin by folic acid molecules and illustrated the significant effect of quenching on the analysis of similar systems. Results show an 80% increase in the accumulation of the antineoplastic agent in the FR+ cell line, when compared to the FR- cell line, thus providing evidence that the efficacy of Pluronic micelles, as drug delivery vehicles, can be enhanced via folic acid targeting.