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The adjuvant effect of a non-toxic mutant of heat-labile enterotoxin of Escherichia coli for the induction of measles virus-specific CTL responses after intranasal co-immunization with a synthetic peptide.

Abstract：

:The intranasal route has been shown to be effective for immunization. However, immunization via this route may require the use of potent and safe adjuvant. The construction of non-toxic mutants of heat labile enterotoxin of Escherichia coli (LT), which is a potent mucosal adjuvant, is a major breakthrough for the development of mucosal vaccines. In this study we have assessed the ability of an LT mutant (LTK63) to act as an adjuvant following intranasal co-immunization with a peptide corresponding to a measles virus cytotoxic T lymphocyte (CTL) epitope. LTK63 was more effective at potentiating the in vivo induction of peptide-specific and measles virus-specific CTL responses than was administration of the peptide in saline. A concentration of 10 micrograms/dose of LTK63 was found to be the most effective in potentiating the in vivo priming of peptide-specific and measles virus-specific CTL responses. These findings highlight the potential of the non-toxic mutant of LT as a safe mucosal adjuvant for use in humans.

journal_name

Immunology

journal_title

Immunology

authors

Partidos CD,Pizza M,Rappuoli R,Steward MW

doi

10.1046/j.1365-2567.1996.d01-790.x

subject

Has Abstract

pub_date

1996-12-01 00:00:00

pages

483-7

issue

4

eissn

0019-2805

issn

1365-2567

journal_volume

89

pub_type

杂志文章

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