The pathogenesis of gonococcal infection of human endometrium is relatively undescribed even though the endometrium is a site of bacterial persistence. Endometrial infection can progress to pelvic inflammatory disease. The human and bacterial factors involved in initial interactions are uncertain. Whether gonococci invade, traverse, or merely attach to endometrial cells is unknown. The types of endometrial cells infected have not been delineated. In this proposal, I plan to elucidate the nature of the molecular interactions between the gonococcus and human endometrial epithelia. Based on my preliminary studies, I hypothesize that gonococci are internalized by both receptor-mediated endocytosis and macropinocytosis. In order to resolve this hypothesis I propose the following specific aims: 1. Development of a primary human endometrial epithelial cell culture system. 2. Characterization of initial interactions between N. gonorrhoeae and primary endometrial epithelial cells. 3. Characterization of the endometrial receptor(s) for N. ganorrhoeae and the gonococcal ligand for these receptor(s).

Agency
National Institute of Health (NIH)
Institute
National Institute of Allergy and Infectious Diseases (NIAID)
Type
Postdoctoral Individual National Research Service Award (F32)
Project #
1F32AI053974-01
Application #
6585107
Study Section
Special Emphasis Panel (ZRG1-F08 (20))
Program Officer
Quackenbush, Robert L
Project Start
2003-05-01
Project End
2005-04-30
Budget Start
2003-05-01
Budget End
2004-04-30
Support Year
1
Fiscal Year
2003
Total Cost
$41,608
Indirect Cost
Name
University of Iowa
Department
Microbiology/Immun/Virology
Type
Schools of Medicine
DUNS #
062761671
City
Iowa City
State
IA
Country
United States
Zip Code
52242
Timmerman, Michelle M; Shao, Jian Q; Apicella, Michael A (2005) Ultrastructural analysis of the pathogenesis of Neisseria gonorrhoeae endometrial infection. Cell Microbiol 7:627-36