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Open AccessFeature PaperArticle

Human Serum Albumin Nanoparticles for Use in Cancer Drug Delivery: Process Optimization and In Vitro Characterization

1
Biomedical Technology and Cell Therapy Research Laboratory, Department of Biomedical Engineering, 3775 University Street, Montreal, QC H3A 2B4, Canada
2
Division of Experimental Medicine, 1110 Pins Avenue, Montreal, QC H3A 1A3, Canada
3
Department of Microbiology, Immunology and Infectious Diseases, CHU St. Justine Research Center, University of Montreal, 3175 Cote-Ste-Catherine, Montréal, QC H3T 1C5, Canada
4
Division of Cardiac Surgery and Surgical Research, Royal Victoria Hospital, 1001 Boulevard Décarie, Montréal, QC H4A 3J1, Canada
*
Author to whom correspondence should be addressed.
Academic Editor: Luigi Pasqua
Nanomaterials 2016, 6(6), 116; https://doi.org/10.3390/nano6060116
Received: 12 April 2016 / Revised: 31 May 2016 / Accepted: 3 June 2016 / Published: 15 June 2016
(This article belongs to the Special Issue Nanomaterials for Cancer Therapies)
Human serum albumin nanoparticles (HSA-NPs) are widely-used drug delivery systems with applications in various diseases, like cancer. For intravenous administration of HSA-NPs, the particle size, surface charge, drug loading and in vitro release kinetics are important parameters for consideration. This study focuses on the development of stable HSA-NPs containing the anti-cancer drug paclitaxel (PTX) via the emulsion-solvent evaporation method using a high-pressure homogenizer. The key parameters for the preparation of PTX-HSA-NPs are: the starting concentrations of HSA, PTX and the organic solvent, including the homogenization pressure and its number cycles, were optimized. Results indicate a size of 143.4 ± 0.7 nm and 170.2 ± 1.4 nm with a surface charge of −5.6 ± 0.8 mV and −17.4 ± 0.5 mV for HSA-NPs and PTX-HSA-NPs (0.5 mg/mL of PTX), respectively. The yield of the PTX-HSA-NPs was ~93% with an encapsulation efficiency of ~82%. To investigate the safety and effectiveness of the PTX-HSA-NPs, an in vitro drug release and cytotoxicity assay was performed on human breast cancer cell line (MCF-7). The PTX-HSA-NPs showed dose-dependent toxicity on cells of 52%, 39.3% and 22.6% with increasing concentrations of PTX at 8, 20.2 and 31.4 μg/mL, respectively. In summary, all parameters involved in HSA-NPs’ preparation, its anticancer efficacy and scale-up are outlined in this research article. View Full-Text
Keywords: human serum albumin; nanoparticles; paclitaxel; cancer; MCF-7 human serum albumin; nanoparticles; paclitaxel; cancer; MCF-7
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MDPI and ACS Style

Lomis, N.; Westfall, S.; Farahdel, L.; Malhotra, M.; Shum-Tim, D.; Prakash, S. Human Serum Albumin Nanoparticles for Use in Cancer Drug Delivery: Process Optimization and In Vitro Characterization. Nanomaterials 2016, 6, 116.

AMA Style

Lomis N, Westfall S, Farahdel L, Malhotra M, Shum-Tim D, Prakash S. Human Serum Albumin Nanoparticles for Use in Cancer Drug Delivery: Process Optimization and In Vitro Characterization. Nanomaterials. 2016; 6(6):116.

Chicago/Turabian Style

Lomis, Nikita; Westfall, Susan; Farahdel, Leila; Malhotra, Meenakshi; Shum-Tim, Dominique; Prakash, Satya. 2016. "Human Serum Albumin Nanoparticles for Use in Cancer Drug Delivery: Process Optimization and In Vitro Characterization" Nanomaterials 6, no. 6: 116.

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Note that from the first issue of 2016, MDPI journals use article numbers instead of page numbers. See further details here.

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