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Cationic lipid-based nanoparticles mediate functional delivery of acetate to tumor cells in vivo leading to significant anticancer effects

Authors Brody LP, Sahuri-Arisoylu M, Parkinson JR, Parkes HG, So PW, Hajji N, Thomas EL, Frost GS, Miller AD, Bell JD

Received 2 March 2017

Accepted for publication 29 April 2017

Published 8 September 2017 Volume 2017:12 Pages 6677—6685


Checked for plagiarism Yes

Review by Single anonymous peer review

Peer reviewer comments 2

Editor who approved publication: Dr Thomas Webster

Leigh P Brody,1,* Meliz Sahuri-Arisoylu,1,* James R Parkinson,1 Harry G Parkes,2 Po Wah So,3 Nabil Hajji,4 E Louise Thomas,1 Gary S Frost,5 Andrew D Miller,6,* Jimmy D Bell1,*

1Department of Life Sciences, Faculty of Science and Technology, University of Westminster, 2CR-UK Clinical MR Research Group, Institute of Cancer Research, Sutton, Surrey, 3Department of Neuroimaging, Institute of Psychiatry, Psychology and Neuroscience, King’s College London, 4Department of Medicine, Division of Experimental Medicine, Centre for Pharmacology & Therapeutics, Toxicology Unit, Imperial College London, 5Faculty of Medicine, Nutrition and Dietetic Research Group, Division of Diabetes, Endocrinology and Metabolism, Department of Investigative Medicine, Imperial College London, Hammersmith Hospital, 6Institute of Pharmaceutical Science, King’s College London, London, UK

*These authors contributed equally to this work

Abstract: Metabolic reengineering using nanoparticle delivery represents an innovative therapeutic approach to normalizing the deregulation of cellular metabolism underlying many diseases, including cancer. Here, we demonstrated a unique and novel application to the treatment of malignancy using a short-chain fatty acid (SCFA)-encapsulated lipid-based delivery system – liposome-encapsulated acetate nanoparticles for cancer applications (LITA-CAN). We assessed chronic in vivo administration of our nanoparticle in three separate murine models of colorectal cancer. We demonstrated a substantial reduction in tumor growth in the xenograft model of colorectal cancer cell lines HT-29, HCT-116 p53+/+ and HCT-116 p53-/-. Nanoparticle-induced reductions in histone deacetylase gene expression indicated a potential mechanism for these anti-proliferative effects. Together, these results indicated that LITA-CAN could be used as an effective direct or adjunct therapy to treat malignant transformation in vivo.

Keywords: lipid-based nanoparticles, liposomes, cancer, short-chain fatty acids, epigenetics

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