期刊
LABORATORY INVESTIGATION
卷 91, 期 1, 页码 4-11出版社
NATURE PUBLISHING GROUP
DOI: 10.1038/labinvest.2010.173
关键词
complement; complement regulatory protein; inflammation
资金
- NIDDK NIH HHS [R01 DK076690, R01 DK076690-02] Funding Source: Medline
- NATIONAL INSTITUTE OF DIABETES AND DIGESTIVE AND KIDNEY DISEASES [R01DK076690] Funding Source: NIH RePORTER
The complement system serves many biological functions, including the eradication of invasive pathogens and the removal of damaged cells and immune-complexes. Uncontrolled complement activation causes injury to host cells, however, so adequate regulation of the system is essential. Control of the complement system is maintained by a group of cell surface and circulating proteins referred to as complement regulatory proteins. The expression of the cell surface complement regulatory proteins varies from tissue to tissue. Furthermore, specific cell types can upregulate or downregulate the expression of these proteins in response to a variety of signals or insults. Altered regulation of the complement regulatory proteins can have important effects on local complement activation. In some circumstances this can be beneficial, such as in the setting of certain infections. In other circumstances, however, this can be a cause of complement-mediated injury of the tissue. A full understanding of the mechanisms by which the complement system is modulated at the local level can have important implications for how we diagnose and treat a wide range of inflammatory diseases. Laboratory Investigation (2011) 91, 4-11; doi:10.1038/labinvest.2010.173; published online 4 October 2010
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