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Nature. 1995 Oct 19;377(6550):632-5.

Protection against mycoplasma infection using expression-library immunization.

Author information

1
Department of Medicine, University of Texas Southwestern Medical Center, Dallas 75235-8573, USA.

Abstract

As is evident from the human immunodeficiency virus epidemic, there is no systematic method for producing a vaccine. Genetic immunization is a new approach to vaccine production that has many of the advantages of live/attenuated pathogens but no risk of infection. It involves introducing DNA encoding a pathogen protein into host cells and has shown promise in several disease models. Here we describe a new method for vaccine development, expression-library immunization, which makes use of the technique of genetic immunization and the fact that all the antigens of a pathogen are encoded in its DNA. An expression library of pathogen DNA is used to immunize a host thereby producing the effects of antigen presentation of a live vaccine without the risk. We show that even partial expression libraries made from the DNA of Mycoplasma pulmonis, a natural pathogen in rodents, provide protection against challenge from the pathogen. Expression library immunization may prove to be a general method for vaccination against any pathogen.

PMID:
7566175
DOI:
10.1038/377632a0
[Indexed for MEDLINE]

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