Erbium: YAG laser enhances transdermal peptide delivery and skin vaccination

Woan Ruoh Lee, Tai Long Pan, Pei Wen Wang, Rou Zi Zhuo, Chun Ming Huang, Jia You Fang

Research output: Contribution to journalArticle

63 Citations (Scopus)

Abstract

Transdermal delivery of peptides and the related vaccines is attractive for treatment and prevention of diseases. However, this delivery method is limited by the low permeability of the stratum corneum (SC). The objective of this study was to enhance and control skin permeation of peptides and related vaccines using an erbium:yttrium-aluminum-garnet (Er:YAG) laser. The amount of peptide transported through nude mouse skin was measured using a Franz diffusion apparatus. The SC layer was partly ablated by an Er:YAG laser, resulting in a greater enhancement effect on peptide delivery. A thinned and discontinuous SC layer was observed after laser exposure. The flux of peptides across skin treated with a laser at various fluences was 3-140-fold higher than that across intact skin. The molecular size, lipophilicity, and sequence of the peptides were found to play important roles in modulating the enhancement of activity. The result of confocal laser scanning microscopy (CLSM) indicated a significant increase in the skin deposition of peptides into laser-treated skin. In an in vivo study, mouse skin was treated with the laser followed by skin vaccination with a lysozyme antigen. It was demonstrated for the first time that laser treatment with no adjuvant or penetration enhancer significantly enhanced the production of antibodies in the serum by 3-fold. To reveal the mechanisms underlying these changes, a proteomic technique combined with mass spectrometry was used. This is, to our knowledge, the first report of a laser being used to immunize intact animals.

Original languageEnglish
Pages (from-to)200-208
Number of pages9
JournalJournal of Controlled Release
Volume128
Issue number3
DOIs
Publication statusPublished - Jun 24 2008

Fingerprint

Solid-State Lasers
Vaccination
Skin
Peptides
Lasers
Erbium
Cornea
Subunit Vaccines
Muramidase
Nude Mice
Confocal Microscopy
Proteomics
Antibody Formation
Permeability
Mass Spectrometry
Antigens
Therapeutics
Serum

Keywords

  • Er:YAG laser
  • Lysozyme
  • Peptides
  • Proteomics
  • Transdermal delivery
  • Vaccines

ASJC Scopus subject areas

  • Pharmaceutical Science

Cite this

Erbium : YAG laser enhances transdermal peptide delivery and skin vaccination. / Lee, Woan Ruoh; Pan, Tai Long; Wang, Pei Wen; Zhuo, Rou Zi; Huang, Chun Ming; Fang, Jia You.

In: Journal of Controlled Release, Vol. 128, No. 3, 24.06.2008, p. 200-208.

Research output: Contribution to journalArticle

Lee, Woan Ruoh ; Pan, Tai Long ; Wang, Pei Wen ; Zhuo, Rou Zi ; Huang, Chun Ming ; Fang, Jia You. / Erbium : YAG laser enhances transdermal peptide delivery and skin vaccination. In: Journal of Controlled Release. 2008 ; Vol. 128, No. 3. pp. 200-208.
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