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Bombesin Conjugated Solid Lipid Nanoparticles for Improved Delivery of Epigallocatechin Gallate for Breast Cancer Treatment.

08:00 EDT 6th April 2019 | BioPortfolio

Summary of "Bombesin Conjugated Solid Lipid Nanoparticles for Improved Delivery of Epigallocatechin Gallate for Breast Cancer Treatment."

Epigallocatechin-gallate (EGCG) is a potent anti-cancer therapeutic which effectively controls the growth of cancerous cells through a variety of different pathways. However, its molecular structure is susceptible to modifications due to cellular enzymes affecting its stability, bioavailability and hence, overall efficiency. In this study, we have initially encapsulated EGCG in the matrix of solid lipid nanoparticles to provide a stable drug carrier. To confer additional specificity towards gastrin releasing peptide receptors (GRPR) overexpressed in breast cancer, EGCG loaded nanoparticles were conjugated with a GRPR-specific peptide. In-vitro cytotoxicity studies showed that the peptide-conjugated formulations possessed greater cytotoxicity to cancer cell lines compared to the non-conjugated formulations. Further, in-vivo studies performed on C57/BL6 mice showed greater survivability and reduction in tumour volume in mice treated with peptide-conjugated formulation as compared to the mice treated with non-conjugated formulation or with plain EGCG. These results warrant the potential of the system designed in this study as a novel and effective drug delivery system in breast cancer therapy.

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This article was published in the following journal.

Name: Chemistry and physics of lipids
ISSN: 1873-2941
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