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Cell Type Specific Biologic Responses To HIV Infection
Funder
National Health and Medical Research Council
Funding Amount
$636,242.00
Summary
The way in which HIV alters the internal environment of its target cells to facilitate its growth will be examined. These changes enhance its ability to gain a toehold in the human body after entering the genital tract and its persistence for life in the brain and elsewhere in the body.
Elucidating The Mechanism Of Action Of Dendrimer Nanoparticles Against HIV
Funder
National Health and Medical Research Council
Funding Amount
$559,354.00
Summary
Dendrimers are nanoparticles with highly branched structures and they are being developed as topical microbicides to prevent the sexual transmission of HIV. This study will determine how dendrimers block HIV entry into host cells so that we can design more effective inhibitors and microbicides.
The Role Of Chemokines In Establishing HIV Latency
Funder
National Health and Medical Research Council
Funding Amount
$372,049.00
Summary
Although antiviral therapy is effective in controlling HIV, therapy must be continued life-long because the virus cannot be cleared from long lived infected CD4+ T cells that are silently or latently infected. In this proposal we will explore the mechanism of how HIV can enter these resting CD4+ T-cells and establish long lived latent infection. Understanding this process may potentially lead to new strategies to cure HIV infection.
Molecular Studies Of The Astrocyte Reservoir Of HIV-1 In The Central Nervous System
Funder
National Health and Medical Research Council
Funding Amount
$592,661.00
Summary
HIV infects the brain causing dementia in 10-20% patients. Strategies aimed at eradicating HIV infection fail to take into account CNS infection. Understanding the way in which HIV enters, infects and replicates in the brain is pivotal in development of drugs to prevent brain infection and dementia. Our studies have shown that HIV infection of the brain involves mechanisms distinct to those observed for blood and other organs. This study seeks to clarify such mechanisms.
Interactions Between HIV And Mycobacterial Infections Of Macrophages Mediated By Changes In Gene Expression
Funder
National Health and Medical Research Council
Funding Amount
$119,625.00
Summary
HIV-AIDS and tuberculosis are two of the worlds most important diseases. HIV-AIDS is the fourth leading killing disease worldwide and tuberculosis is the leading opportunistic infection in patients with AIDS particularly in the developing world. Both microbes infect the same cell type, the macrophage, which is widely distributed throughout the body, particularly in lymph nodes and lung. Recent studies in humans have shown that HIV and TB like organisms stimulate each others growth. This study us ....HIV-AIDS and tuberculosis are two of the worlds most important diseases. HIV-AIDS is the fourth leading killing disease worldwide and tuberculosis is the leading opportunistic infection in patients with AIDS particularly in the developing world. Both microbes infect the same cell type, the macrophage, which is widely distributed throughout the body, particularly in lymph nodes and lung. Recent studies in humans have shown that HIV and TB like organisms stimulate each others growth. This study uses the immense power of DNA microarrays, based on the identification of almost all genes by the human genome project, to decipher the interactions between the two microbes. By following up new leads indicated by the microarrays, the way in which the microbes manipulate the macrophage to enhance their own growth and that of the other can be eventually deciphered. This will provide new strategies for future interventions. New drugs are urgently needed for both microbes.Read moreRead less