In vitro Dermal Delivery of Epidermal Growth Factor Using Redox-responsive Cubosomes
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Reduction-responsive monoolein (MO) cubosome was prepared for the dermal delivery of epidermal growth factor (EGF) by including cystamine-crosslinked alginate in the water channel of the cubosome. On atomic force micrograph, the cubosome was found as round particles and it was tens of nanometers in diameter. Additives such as alginate, cystamine, and EGF seemed to have little effect on the size and the shape of cubosome. The release of EGF from the cubosome was promoted by dithiothreitol (DTT, a reducing agent), possibly because the disulfide bond of the cross-linker (cystamine) might be broken by the reducing agent. The cubosome promoted the permeation of EGF through an artificial skin mounted on a diffusion cell. Thiazolyl blue tetrazolium bromide (MTT) assay revealed that the cubosome exhibited no marked cellular toxicity after it was incubated with cell (CCD-986sk) for 24 h as long as the concentration was not greater than 20 ug/mL. Free EGF could hardly promote the cell proliferation at all the concentrations tested (0.25 ppm–1 ppm). EGF contained in the cubosome suspension significantly enhanced cell proliferation when EGF concentration was 0.75 and 1 ppm. EGF contained in the cubosome suspension could maintain about 85% of the initial biological activity while it was stored at 25°C for 4 weeks.
Keywordscubic phase nanoparticles epidermal growth factor redox-responsive skin permeation cell proliferation
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This work was supported by the Technological Innovation R&D Program (S2406238) funded by the Small and Medium Business Administration (SMBA, Korea) and Basic Science Research Program through the National Research Foundation of Korea (NRF) funded by the Ministry of Education (No. 2018R1A6A1A03025582).
- 2.Razumas, V., Z. Talaikytedot, J. Barauskasa, K. Larsson, Y. Miezis, and T. Nylander (1996) Effects of distearoylphos-phatidylglycerol and lysozyme on the structure of the monoolein-water cubic phase: X-ray diffraction and Raman scattering studies. Chem. Phys. Lipids 84: 123–138.CrossRefGoogle Scholar
- 18.Tran, N., X. Mulet, A. M. Hawley, T. M. Hinton, S. T. Mudie, B. W. Muir, E. C. Giakoumatos, L. J. Waddington, N. M. Kirby, and C. J. Drummond (2015) Nanostructure and cytotoxicity of self-assembled monoolein-capric acid lyotropic liquid crystalline nanoparticles. RSC Adv. 5: 26785–26795.CrossRefGoogle Scholar
- 19.Murgia, S., A. M. Falchi, V. Meli, K. Schillén, V. Lippolis, M. Monduzzi, A. Rosa, J. Schmidt, Y. Talmon, R. Bizzarri, and C. Caltagirone (2015) Cubosome formulations stabilized by a dansyl-conjugated block copolymer for possible nanomedicine applications. Colloids Surf. B Biointerfaces 129: 87–94.CrossRefGoogle Scholar