Abstract
Clostridium perfringens alpha-toxin is thought to be an important agent in gas gangrene, which is a lifethreatening infection with fever, pain, edema, myonecrosis, and gas production. The toxin (370 residues) is composed of an N-terminal domain (1-250 residues, N-domain) in which the catalytic site is found and a C-terminal domain (251-370 residues, C-domain) responsible for binding to membranes. During the past decade, recombinant DNA technology has been employed to develop second-generation vaccines, including site-directed mutants and the C-domain of the toxin, to prevent gas gangrene. These immunities have led to protection against the lethal effects of wild-type C. perfringens in mice. C-domain vaccines are capable of protecting against heterologous clostridia causing clostridial myonecrosis. This article summarizes the current knowledge on vaccines against alpha-toxin.
Keywords: Alpha-toxin, C-domain, Clostridium perfringens, Gas gangrene, Recombinant vaccine.
Current Pharmaceutical Biotechnology
Title:Vaccines against Clostridium perfringens Alpha-toxin
Volume: 14 Issue: 10
Author(s): Masahiro Nagahama
Affiliation:
Keywords: Alpha-toxin, C-domain, Clostridium perfringens, Gas gangrene, Recombinant vaccine.
Abstract: Clostridium perfringens alpha-toxin is thought to be an important agent in gas gangrene, which is a lifethreatening infection with fever, pain, edema, myonecrosis, and gas production. The toxin (370 residues) is composed of an N-terminal domain (1-250 residues, N-domain) in which the catalytic site is found and a C-terminal domain (251-370 residues, C-domain) responsible for binding to membranes. During the past decade, recombinant DNA technology has been employed to develop second-generation vaccines, including site-directed mutants and the C-domain of the toxin, to prevent gas gangrene. These immunities have led to protection against the lethal effects of wild-type C. perfringens in mice. C-domain vaccines are capable of protecting against heterologous clostridia causing clostridial myonecrosis. This article summarizes the current knowledge on vaccines against alpha-toxin.
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Cite this article as:
Nagahama Masahiro, Vaccines against Clostridium perfringens Alpha-toxin, Current Pharmaceutical Biotechnology 2013; 14 (10) . https://dx.doi.org/10.2174/1389201014666131226124348
DOI https://dx.doi.org/10.2174/1389201014666131226124348 |
Print ISSN 1389-2010 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4316 |
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