Topical DNA Vaccination with DNA/Lipid Based Complex
Topical DNA vaccines have been shown to elicit both broad humoral and cellular immune response in vivo. The skin is an attractive site for the delivery DNA antigens for DNA vaccination. However, due to skin's barrier properties, the penetration of DNA and the applications of topical vaccination are limited. To improve permeability of stratum corneum and the potency of topical DNA vaccines, efficient delivery systems are needed. Topical vaccination has been achieved using topical application of naked DNA with or without tape stripping and DNA/lipid based complex such as liposomes, niosomes, Transfersomes®, or microemulsion. All methods resulted in significant enhancement in humoral and cellular immune response over naked DNA alone. To develop more cost-effective and needle free vaccines, skin targeted immunizations are required. This overview focuses on the comparison of the potency of topical DNA vaccine between naked DNA and DNA-lipid based complex.
Keywords: DNA-lipid complex; Topical DNA vaccine; cationic nanoparticles; liposomes; microemulsion; naked DNA
Document Type: Research Article
Affiliations: Department of Dermatology, University of California, School of Medicine, Box 0989, Surge 110, 90 Medical Center Way, San Francisco, California 94143-0989, USA;
Publication date: 01 January 2006
- The aim of Current Drug Delivery is to publish peer-reviewed articles, short communications, short and in-depth reviews in the rapidly developing field of drug delivery. Modern drug research aims to build in delivery properties of a drug at the design phase, however in many cases this ideal cannot be met and the development of delivery systems becomes as important as the development as the drugs themselves.
The journal aims to cover the latest outstanding developments in drug and vaccine delivery employing physical, physico-chemical and chemical methods. The drugs include a wide range of bioactive compounds from simple pharmaceuticals to peptides, proteins, nucleotides, nucleosides and sugars. The journal will also report progress in the fields of transport routes and mechanisms including efflux proteins and multi-drug resistance.
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