alexa Turning a water and oil insoluble cisplatin derivative into a nanoparticle formulation for cancer therapy.
Materials Science

Materials Science

Journal of Nanomedicine & Nanotechnology

Author(s): Guo S, Wang Y, Miao L, Xu Z, Lin CH,

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Abstract The formulation of water insoluble organic compounds into nanoparticles has become a widely established method for enhancing the delivery and efficacy of cancer therapeutics. Therefore, a comparable approach when applied to water insoluble inorganic compounds should also promote similar advantages. Herein, we have successfully formulated insoluble iodinated cisplatin (CDDP-I) into an LPI NPs (lipid-coated iodinated CDDP nanoparticles). Two separate microemulsions were combined, each containing a precursor for the synthesis of CDDP-I. The resulting CDDP-I precipitate was then coated with an anionic lipid and dispersed in water with the help of an additional lipid. This method allows us to effectively encapsulate CDDP-I and was able to achieve a considerable drug loading of 82 wt\%. Administered LPI NPs demonstrated high level accumulation in tumor tissues and exhibited an anti-cancer activity comparable to free CDDP in two melanoma xenograft models without inducing nephrotoxicity. The benefits offered through this delivery formulation are not unique to CDDP-I, as this versatile platform may be extended to the formulation of other inorganic compounds that are both water and oil insoluble into nanoparticles for superior anti-cancer efficacy. Copyright © 2014 Elsevier Ltd. All rights reserved.
This article was published in Biomaterials and referenced in Journal of Nanomedicine & Nanotechnology

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