Role of DC-NK cross-talk in viral infection: defining the critical molecular mechanisms

Funding Activity

Website
http://purl.org/au-research/grants/nhmrc/353680

Funding Status
Closed

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Funded Activity Summary

Dendritic cells (DC) are a highly specialized subset of cells involved in activating the immune system in response to infection. Dendritic cells can activate T cells, which then destroy infected or damaged cells. Recent evidence has suggested that activation of natural killer (NK) cells may also be an important function of dendritic cells. NK cells specialize in the removal of damaged cells and have been shown to be particularly important in controlling viral infection and tumour growth and spread. The central aim of this work is to determine what mechanisms are used by dendritic cells to activate NK cells during viral infection. The well characterized murine cytomegalovirus model (MCMV) will be used to address this question. MCMV is a model for human cytomegalovirus infection (HCMV). HCMV infection usually poses no risk to healthy individuals, however, in people who are immunosuppressed, such as cancer or AIDS patients, HCMV is a significant cause of mortality. The MCMV infection model has provided important insights as to how the immune system controls infection, and the mechanisms utilized by the virus to circumvent these processes. The proposed studies will enhance our understanding of how natural killer cell function is regulated by dendritic cells, and how viruses may interfere with this process. More importantly, the results will provide critical insights into how immunotherapy protocols may be modified to enhance effectiveness.

Funded Activity Details

Start Date: 01-01-2005

End Date: 01-01-2007

Funding Scheme: NHMRC Project Grants

Funding Amount: $519,000.00

Funder: National Health and Medical Research Council

Research Topics

ANZSRC Field of Research (FoR)

Cellular Immunology

ANZSRC Socio-Economic Objective (SEO)

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Other Keywords

Dendritic cells | Immunosuppression | Immunotherapy | Innate immunity | Natural killer cells | Viral infection

Related Links

ACN 633 798 857