Abstract
Microbes produce a wide range of molecules that can modulate eukaryotic immune responses. These include factors that subvert protective mechanisms in order to facilitate pathogen colonization and persistence. Viral, bacterial and parasite-derived molecules have been identified that can inhibit inflammatory responses. However, in addition to the plethora of microbial factors that suppress immune responses, the most potent immune activators are also of microbial origin. These include the bacterial enterotoxins, parasite-derived excretory-secretory products and viral nucleic acids. In fact, there are examples of immune modulators that can exert either stimulatory or suppressive effects depending on the mode of delivery, dose and experimental model. There is presently great interest in the therapeutic exploitation of these factors, for example as a means to stimulate enhanced immune responses to a new generation of subunit vaccines or to inhibit deleterious immune mediated diseases. This short review, describes representative microbial immunomodulators, their modes of action and the potential for therapeutic application.
Keywords: Immunomodulatory Drugs, enterotoxins, immune responses
Current Topics in Medicinal Chemistry
Title: Molecules of Infectious Agents as Immunomodulatory Drugs
Volume: 4 Issue: 5
Author(s): Ed C. Lavelle, Peter McGuirk and Kingston H.G. Mills
Affiliation:
Keywords: Immunomodulatory Drugs, enterotoxins, immune responses
Abstract: Microbes produce a wide range of molecules that can modulate eukaryotic immune responses. These include factors that subvert protective mechanisms in order to facilitate pathogen colonization and persistence. Viral, bacterial and parasite-derived molecules have been identified that can inhibit inflammatory responses. However, in addition to the plethora of microbial factors that suppress immune responses, the most potent immune activators are also of microbial origin. These include the bacterial enterotoxins, parasite-derived excretory-secretory products and viral nucleic acids. In fact, there are examples of immune modulators that can exert either stimulatory or suppressive effects depending on the mode of delivery, dose and experimental model. There is presently great interest in the therapeutic exploitation of these factors, for example as a means to stimulate enhanced immune responses to a new generation of subunit vaccines or to inhibit deleterious immune mediated diseases. This short review, describes representative microbial immunomodulators, their modes of action and the potential for therapeutic application.
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Cite this article as:
Lavelle C. Ed, McGuirk Peter and Mills H.G. Kingston, Molecules of Infectious Agents as Immunomodulatory Drugs, Current Topics in Medicinal Chemistry 2004; 4 (5) . https://dx.doi.org/10.2174/1568026043451249
DOI https://dx.doi.org/10.2174/1568026043451249 |
Print ISSN 1568-0266 |
Publisher Name Bentham Science Publisher |
Online ISSN 1873-4294 |
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