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Inhibition of Melanin Synthesis by Enhanced Cytosolic Delivery of N-glycosylation Inhibitors Using pH-Sensitive Nano-carrier  

Park, Ju-Young (Skin Research Institute, Amore Pacific R&D center)
Park, Hyun-Jung (Skin Research Institute, Amore Pacific R&D cente)
Shim, Jong-Won (Skin Research Institute, Amore Pacific R&D cente)
Ahn, Soo-Mi (Skin Research Institute, Amore Pacific R&D cente)
Kim, Junoh (Skin Research Institute, Amore Pacific R&D cente)
Chang, Ih-Seop (Skin Research Institute, Amore Pacific R&D center)
Publication Information
Journal of the Society of Cosmetic Scientists of Korea / v.30, no.1, 2004 , pp. 29-32 More about this Journal
Abstract
Inhibition of the early N-glycosylation process in the endoplasmic reticulum prevents the activation of tyrosinase, a key enzyme for melanin biosynthesis. This work aims at evaluating the increased activity of N-glycosylation inhibitors in vitro b, employing a nano-sized pH-sensitive liposome as a delivery carrier. Melexsome, a pH-sensitive nano carrier loaded with glycosylation inhibitos, was prepared by the hydration method with phospholipids and cholresterol-based amphiphiles. Inhibitory effects of Melexsome on the N-glycosylation process were evaluated by EndoH & PNGaseF digestion and the western blotting. Melanin synthesis was also monitored after treatment with Melexsome Interestingly, Melexsome effectively increased the efficacy of N-glycosylation inhibitors. Melexsome was also much more efficiently translocated into the cytoplasm as observed in CLSM. These results demonstrated that the amphiphilic lipid-based pH-sensitive nano-carriers could be, used as an efficient delivery system for N-glycosylation inhibitor to enhance the effects of skin whitening cosmetics.
Keywords
melanin synthesis; N-glycosylation inhibitor; pH-sensitive liposome; pigment-lightening;
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