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. This Project within the PPG will investigate, using SIV and SHIV infection rhesus macaques, the effect of polyamine synthesis inhibitors (PBI) on pathogenesis AIDS and sequela of neuroAIDS. For this, we initially propose to investigate the polyamine analogues CG-047, synthetic guanidine compound PA-OO1 and CNI-1493 termed PA-OO2 in this application. We hypothesize the PBI will deactivate and/or selectively target populations of CD14 and CD16 monocyte/macrophages some of which are infected. We proposed to use a) a CD8+ lymphocyte depletion model of SIV infection that results in rapid, consistent and severe CNS disease, and b) a SHIV infection model that rapidly depletes CD4+ T lymphocytes resulting in high SIV replication in monocyte/macrophages, to study the effects of PBI delaying and/reversing CNS disease flushing monocyte/macrophage viral reservoirs. We propose three specific aims to test our hypothesis. Studies in aim 1 will determine whether PBI (PA-OO1 andPA-OO2) deactivate and/or kill select CD14 CD16 monocyte populations resulting in clearance of monocyte/macrophage reservoir of SIV during acute infection and the development of AIDS. Studies in aim 2 test the hypothesis that PBI deactivate and/or kill select CD14 CD16 monocyte populations, inhibiting and/or reversing SIVE. Studies in aim 3 test the hypothesis that PBI administered SHIV infected animals depleted of CD4+ T cells with high monocyte/macrophage SIV replication, clears or diminishes viral reservoirs in blood, lymphoid and CNS tissues.

Agency
National Institute of Health (NIH)
Institute
National Center for Research Resources (NCRR)
Type
Primate Research Center Grants (P51)
Project #
5P51RR000168-50
Application #
8358005
Study Section
Special Emphasis Panel (ZRR1-CM-8 (01))
Project Start
2011-05-01
Project End
2012-04-30
Budget Start
2011-05-01
Budget End
2012-04-30
Support Year
50
Fiscal Year
2011
Total Cost
$68,415
Indirect Cost
Name
Harvard University
Department
Veterinary Sciences
Type
Schools of Medicine
DUNS #
047006379
City
Boston
State
MA
Country
United States
Zip Code
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