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- Title
Mucosal and Systemic Antibody Responses to a C4/V3 Construct following DNA Vaccination of Rabbits via the Peyer's Patch.
- Authors
Winchell, Jonas M.; Routray, Soumya; Betts, Paul W.; Van Kruiningen, Herbert J.; Silbart, Lawrence K.
- Abstract
A plasmid encoding T1-SP10MN(A), a peptide derived from immunodominant regions of human immunodeficiency virus type 1 gp120, was delivered to rabbit Peyer's patches using a heliumdriven gene gun. Six weeks thereafter, 2 of 5 animals were given an intradermal booster immunization. Blood, feces, and vaginal washes were collected weekly and assayed by ELISA. High titer T1-SP10MN(A)-specific fecal and vaginal secretory IgA responses were observed, and the response appeared to be augmented following dermal booster immunizations. Specific serum IgG was also detected within 1 week of immunization and remained elevated through week 20 in the 2 animals receiving dermal boosts (titers ⩾6400). This study establishes the Peyer's patch as a promising target tissue for DNA vaccination and demonstrates the efficacy of gene gun-mediated delivery of foreign DNA to a mucosal tissue for the induction of an immune response.
- Publication
Journal of Infectious Diseases, 1998, Vol 178, Issue 3, p850
- ISSN
0022-1899
- Publication type
Article
- DOI
10.1086/515341