Drug delivery to tumours using a novel 5-FU derivative encapsulated into lipid nanocapsules - Archive ouverte HAL Access content directly
Journal Articles Journal of Drug Targeting Year : 2019

Drug delivery to tumours using a novel 5-FU derivative encapsulated into lipid nanocapsules

Kevin Matha
Thomas Dehoux
Jean-Paul Rieu
Thomas Perrier
  • Function : Author
  • PersonId : 780401
  • IdRef : 080800653

Abstract

In this work, a novel lipophilic 5-fluorouracil (5-FU) derivative was synthesised and encapsulated into lipid nanocapsules (LNC). 5-FU was modified with lauric acid to give a lipophilic mono-lauroyl-derivative (5-FU-C12, MW of about 342 g/mol, yield of reaction 70%). 5-FU-C12 obtained was efficiently encapsulated into LNC (encapsulation efficiency above 90%) without altering the physico-chemical characteristics of LNC. The encapsulation of 5-FU-C12 led to an increased stability of the drug when in contact with plasma being the drug detectable until 3 h following incubation. Cytotoxicity assay carried out using MTS on 2D cell culture showed that 5-FU-C12-loaded LNC had an enhanced cytotoxic effect on glioma (9L) and human colorectal (HTC-116) cancer cell line in comparison with 5-FU or 5-FU-C12. Then, HCT-116 tumour spheroids were cultivated and the reduction of spheroid volume was measured following treatment with drug-loaded LNC and drugs alone. Similar reduction on spheroids volume was observed following the treatment with drug-loaded LNC, 5-FU-C12 and 5-FU alone, while blank LNC displayed a reduction in cell viability only at high concentration. Globally, our data suggest that the encapsulation increased the activity of the 5-FU-C12. However, in-depth evaluations of LNC permeability into spheroids are needed to disclose the potential of these nanosystems for cancer treatment.
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Dates and versions

hal-02996676 , version 1 (09-11-2020)

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Giovanna Lollo, Kevin Matha, Martina Bocchiardo, Jérôme Bejaud, Ilaria Marigo, et al.. Drug delivery to tumours using a novel 5-FU derivative encapsulated into lipid nanocapsules. Journal of Drug Targeting, 2019, 27 (5-6), pp.634-645. ⟨10.1080/1061186X.2018.1547733⟩. ⟨hal-02996676⟩
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