This subproject is one of many research subprojects utilizing the resources provided by a Center grant funded by NIH/NCRR. Primary support for the subproject and the subproject's principal investigator may have been provided by other sources, including other NIH sources. The Total Cost listed for the subproject likely represents the estimated amount of Center infrastructure utilized by the subproject, not direct funding provided by the NCRR grant to the subproject or subproject staff. nfection with SIVmac251. Individuals respond very differently to infection with HIV leading to highly variable courses of disease post infection. This proposal aims to investigate a mechanism of natural immunosurveillance, termed """"""""natural killer cells"""""""" (NK) that besides monitoring cells in the body for senescence (being too old to function properly) also sense deviation from the """"""""normal"""""""" at the cell level. We have found that similar to the major histocompatibility complex (MHC) genes that constitute an organism's ID and dictate many of the antigen specific immune responses, innate responses also may vary due to genetic inheritance. The application will therefore focus on rhesus macaques with comparable MHC genes but distinct NK associated receptors to correlate distinct receptors with susceptibility to simian immunodeficiency (SIV) induced disease. The proposal will also address the impact of NK inhibition during acute infection on the disease course and finally whether this mechanism can be boosted by providing additional NK in vivo and whether such boost has impact on virus replication, the quality of the ensuing adaptive immune responses and disease course. All studies will investigate blood, rectal, colon and small bowel biopsies as well as broncholveolar lavages (BAL) to monitor the effect of NK before and after infection with SIVmac251.

Agency
National Institute of Health (NIH)
Institute
National Center for Research Resources (NCRR)
Type
Primate Research Center Grants (P51)
Project #
2P51RR000165-51
Application #
8357512
Study Section
Special Emphasis Panel (ZRR1-CM-5 (01))
Project Start
2011-08-01
Project End
2012-04-30
Budget Start
2011-08-01
Budget End
2012-04-30
Support Year
51
Fiscal Year
2011
Total Cost
$59,500
Indirect Cost
Name
Emory University
Department
Otolaryngology
Type
Schools of Medicine
DUNS #
066469933
City
Atlanta
State
GA
Country
United States
Zip Code
30322
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