We have identified a neutrophil granule protein cathepsin G as a novel human cell-derived of chemotactic agonist for the formylpeptide receptor FPR (Sun et al. J Immunol. 2005). This is a significant advance in the understanding of the pathophysiological role of FPR in host defense and wound healing processes since cathepsin G is able to kill the bacteria and also promotes the healing of the wound.We have identified key fragments in the formylpeptide receptors that determine their specificity for ligand interaction. This provides structural basis for the design of synthetic agonists or antagonists for anti-bacterial and anti-inflammatory drug develpment studies.

Agency
National Institute of Health (NIH)
Institute
Division of Basic Sciences - NCI (NCI)
Type
Intramural Research (Z01)
Project #
1Z01BC010725-01
Application #
7338805
Study Section
(LMI)
Project Start
Project End
Budget Start
Budget End
Support Year
1
Fiscal Year
2006
Total Cost
Indirect Cost
Name
Basic Sciences
Department
Type
DUNS #
City
State
Country
United States
Zip Code
Liu, Mingyong; Zhao, Jianhua; Chen, Keqiang et al. (2012) G protein-coupled receptor FPR1 as a pharmacologic target in inflammation and human glioblastoma. Int Immunopharmacol 14:283-8
Zhu, Jingjing; Wang, Oumei; Ruan, Lingfei et al. (2009) The green tea polyphenol (-)-epigallocatechin-3-gallate inhibits leukocyte activation by bacterial formylpeptide through the receptor FPR. Int Immunopharmacol 9:1126-30