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Content archived on 2024-06-25

A new approach for developing a less immunosuppressive tuberculosis vaccine

Objective

Infections due to Mycobacterium tuberculosis cause over 2 million deaths/year. A major problem in combating tuberculosis is the insufficient efficacy of the current vaccine, M. bovis BCG. This is due to the fact that BCG induces, apart from protective Th1 cytokines Il-12 and IFN, also the Th2 cytokine IL-4 and the immunosuppressive cytokine IL-10. Together, this response results in subversion of an adequate protective immunity.

Current data suggest that two mycobacterial glycolipids, lipoarabinomannan (LAM) and phenolic glycolipid (PGL) play an important role in this immunosuppression. For LAM it has been proposed that especially the terminal mannose residues, the mannose cap, are responsible for its immunosuppressive activity. We will use a new strategy to overcome these known problems of inefficacy by making less immunosuppressive BCG strains that lack PGL and/or (parts of) the mannose cap.

Fields of science (EuroSciVoc)

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Topic(s)

Calls for proposals are divided into topics. A topic defines a specific subject or area for which applicants can submit proposals. The description of a topic comprises its specific scope and the expected impact of the funded project.

Call for proposal

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FP6-2005-LIFESCIHEALTH-6
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Funding Scheme

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STREP - Specific Targeted Research Project

Coordinator

NEDERLANDS VACCIN INSTITUUT
EU contribution
No data
Total cost

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No data

Participants (3)

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