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by Keyword: Poloxamer


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Caddeo, C., Manca, M. L., Matos, M., Gutierrez, G., Díez-Sales, O., Peris, J. E., Usach, I., Fernàndez-Busquets, X., Fadda, A. M., Manconi, M., (2017). Functional response of novel bioprotective poloxamer-structured vesicles on inflamed skin Nanomedicine: Nanotechnology, Biology, and Medicine 13, (3), 1127-1136

Resveratrol and gallic acid, a lipophilic and a hydrophilic phenol, were co-loaded in innovative, biocompatible nanovesicles conceived for ensuring the protection of the skin from oxidative- and inflammatory-related affections. The basic vesicles, liposomes and glycerosomes, were produced by a simple, one-step method involving the dispersion of phospholipid and phenols in water or water/glycerol blend, respectively. Liposomes and glycerosomes were modified by the addition of poloxamer, a stabilizer and viscosity enhancer, thus obtaining viscous or semisolid dispersions of structured vesicles. The vesicles were spherical, unilamellar and small in size (~70 nm in diameter). The superior ability of the poloxamer-structured vesicles to promote the accumulation of both phenols in the skin was demonstrated, as well as their low toxicity and great ability to protect fibroblasts from chemically-induced oxidative damage. The in vivo administration of the vesicular phenols on TPA (phorbol ester)-exposed skin led to a significant reduction of oedema and leukocyte infiltration.

Keywords: Fibroblasts, Mice, Phenol, Phospholipid vesicle, Poloxamer, Skin inflammation


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