4.7 Article

Hyaluronic Acid-Based Nanocapsules as Efficient Delivery Systems of Garlic Oil Active Components with Anticancer Activity

Journal

NANOMATERIALS
Volume 11, Issue 5, Pages -

Publisher

MDPI
DOI: 10.3390/nano11051354

Keywords

encapsulation; drug delivery; hyaluronic acid; oil-core nanocapsules; garlic oil; diallyl disulfide; diallyl trisulfide; glutathione; sulfurtransferases; sulfane sulfur

Funding

  1. Polish Ministry of Science and Higher Education within the Diamentowy Grant Programme [DI2015 015445]

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Encapsulation of garlic oil compounds DADS and DATS in oil-core nanocapsules based on a derivative of hyaluronic acid has been shown to protect against oxidation and undesired interactions, while preserving their biological functions and anticancer activity. The encapsulation also inhibits lysis of red blood cell membrane and interactions with serum or digestive track components, indicating potential for enhanced therapeutic effects.
Diallyl disulfide (DADS) and diallyl trisulfide (DATS) are garlic oil compounds exhibiting beneficial healthy properties including anticancer action. However, these compounds are sparingly water-soluble with a limited stability that may imply damage to blood vessels or cells after administration. Thus, their encapsulation in the oil-core nanocapsules based on a derivative of hyaluronic acid was investigated here as a way of protecting against oxidation and undesired interactions with blood and digestive track components. The nuclear magnetic resonance (H-1 NMR) technique was used to follow the oxidation processes. It was proved that the shell of the capsule acts as a barrier limiting the sulfur oxidation, enhancing the stability of C=C bonds in DADS and DATS. Moreover, it was shown that the encapsulation inhibited the lysis of the red blood cell membrane (mainly for DADS) and interactions with serum or digestive track components. Importantly, the biological functions and anticancer activity of DADS and DATS were preserved after encapsulation. Additionally, the nanocapsule formulations affected the migration of neoplastic cells-a desirable preliminary observation concerning the inhibition of migration. The proposed route of administration of these garlic extract components would enable reaching their higher concentrations in blood, longer circulation in a bloodstream, and thus, imply a better therapeutic effect.

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