Author： Sato Y. Saito A. Shishido H. Irisawa A. Miyata M. Obara K. Nishimaki T. Fujita T. Suzuki T. Kasukawa R.
Publisher： Academic Press
ISSN： 0008-8749
Source： Cellular Immunology, Vol.199, Iss.1, 2000-01, pp. : 58-63
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Abstract
Nearly all mucosal surfaces participate in a common mucosal immune system, and application of an antigen to one mucosal surface elicits local as well as distant mucosal immune responses. However, whether the gastric mucosa is a part of this network has not been examined directly. We show here that the injection of plasmid DNA encoding β-galactosidase into the gastric wall caused transfection of gastric mucosal epithelial cells, induced systemic and mucosal antibody responses at both local (digestive tract) and distant (genital and respiratory tracts) sites, and induced cytotoxic T lymphocyte responses in the spleen and the mesenteric and iliac lymph nodes.
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