Gene transcription in activated T cells: a model of chromatin remodeling.

Funding Activity

Website
http://purl.org/au-research/grants/nhmrc/224209

Funding Status
Closed

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Funded Activity Summary

Cells of the immune system respond to invasion of the body by infectious or other damaging agents by switching on the production of a large array of proteins that are critical for an orchestrated immune response. Some of these proteins, referred to as cytokines, are secreted by the cells and act as intercellular messengers to affect the function of other cells need for an immune response. Switching on the production of these cytokines requires the genes that produce them to interpret the complex signaling pattern to which the cell has been exposed. These complex signaling patterns are interpreted in the nucleus by molecular switches that lie beside the genes in the DNA. The incorrect production of these proteins is involved in immune diseases such as autoimmunity, allergy and leukemia. Genes are housed in the nucleus of the cell, packaged into a structure known as chromatin. When the gene is not producing protein it is tightly packaged in chromatin but when it is activated to produce protein this packaging is altered to allow the gene to see the signals being received by the cell and produce protein. We have identified a protein within the nucleus that is critical in allowing certain cytokine genes to see the signals being received in the nucleus. By investigating the role of this protein (called c-Rel) in chromatin reorganization in immune cells, we hope to better define the steps required for appropriate gene activation in an immune response. This knowledge, in turn, will lead to the identification of novel therapeutic targets to control immune responses

Funded Activity Details

Start Date: 01-01-2003

End Date: 01-01-2005

Funding Scheme: NHMRC Project Grants

Funding Amount: $477,500.00

Funder: National Health and Medical Research Council

Research Topics

ANZSRC Field of Research (FoR)

Gene Expression

ANZSRC Socio-Economic Objective (SEO)

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Other Keywords

T lymphocytes | autoimmune disease | chromatin structure | gene expression | immune regulation | interleukins | transcription factor

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