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Revista Colombiana de Ciencias Químico - Farmacéuticas
versión impresa ISSN 0034-7418versión On-line ISSN 1909-6356
Resumen
SANDOVAL A., J. Andrés y ROSAS P., Jaiver E.. Solid phase synthesis of a cosmeceutical neuropeptide and its microencapsulation in a liposomal system. Rev. colomb. cienc. quim. farm. [online]. 2021, vol.50, n.2, pp.439-456. Epub 02-Nov-2021. ISSN 0034-7418. https://doi.org/10.15446/rcciquifa.v50n2.97919.
Introduction:
Currently synthetic peptides have become a novel alternative for the treatment of aging skin. Acetylhexapeptide-3 (Ac-EEMQRR-NH2) has been used to induce reduction of expression lines in a manner analogous to botulinum toxin, but without toxic effects.
Aim:
To synthesize acetylhexapeptide-3 and to develop a lipo-somal system for its encapsulation and favor its passage through a model membrane.
Methodology:
The peptide was obtained by solid phase synthesis (SFS) using the Fmoc / tBu strategy, it was purified and fully characterized. The liposomal system with encapsulated acetylhexapeptide-3 was developed by forming an emulsion with subsequent phase inversion by evaporation of the organic solvent. The systems were characterized in their size, zeta potential, neuropeptide encapsulation efficiency and a preliminary ex vivo permeability study was carried out.
Results:
It is possible to synthesize short peptides with a high degree of purity and good yield, using the SFS Fmoc / tBu methodology. According to the characterization, the advanced liposomal system suggests a good strategy for the encapsulation of acetylhexapeptide-3 and its potential application in the development of a novel cosmeceutical product.
Palabras clave : synthetic peptides; liposomes; microencapsulation.