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Resolving Human Immunodeficiency Virus (HIV) Transmission
Funder
National Health and Medical Research Council
Funding Amount
$745,213.00
Summary
To increase the breadth of HIV prevention strategies, it is imperative that we biologically understand how HIV enters our bodies. Through two unique clinical cohorts, we will determine why circumcision is protective and how a commonly acquired sexual transmitted infection (human papilloma virus) can increase HIV transmission.
Characterize The Post-entry Events Of HIV Infection
Funder
National Health and Medical Research Council
Funding Amount
$605,190.00
Summary
For HIV to successful infect a target cell, it must properly remove the outer layers of its protective gears (outer viral protein coats) to allow the viral genetic materials to be replicate (duplicate and multiplied) for the generation of their ‘offspring viruses’. This process is known as viral uncoating, and it is arguably one of the least understood areas of HIV. In this proposal, we will use a number of complementary state-of-the-arts research tools to characterize the HIV uncoating process.
Prevention Of HIV-1 Infection By Adeno Associated Virus Vector-delivered Broadly Neutralizing Antibodies Or Antibody-like Molecules
Funder
National Health and Medical Research Council
Funding Amount
$875,854.00
Summary
A promising neutralizing molecule has boosted hopes of an HIV vaccine. It remains unknown how well this molecule prevents HIV infection under conditions reflecting “real world” exposure, including exposure to HIV in the form of cells carrying virus or free-floating virus in the presence of semen. We will assess this molecule for their ability to inhibit transmission of HIV-like viruses under these conditions. These experiments will define requirements to protect against HIV infection.
Characterising Latent HIV Reservoirs: Examining The Effects Of Treatment Initiation, Cellular Type And Patient Genetics.
Funder
National Health and Medical Research Council
Funding Amount
$909,403.00
Summary
Conducted by a globally-renown team of HIV scientists and physicians, this clinically-relevant study makes a significant contribution to the emerging field of HIV eradication and cure. Accessing diverse and unique sample sets from HIV patients and applying innovative, ultra-sensitive genetic measurement techniques, the study definitively identifies the bodily reservoirs harbouring persistent HIV so they can be targeted by new therapies, a crucial step for efforts aimed at HIV eradication.
Risk Factors For Long-term Chronic Disease Events In HIV-positive Persons: The D:A:D Cohort Study
Funder
National Health and Medical Research Council
Funding Amount
$925,659.00
Summary
The D:A:D Study is a large, international study assessing risk factors for chronic disease events in HIV-positive patients. We know these events, such as heart attacks and cancers, increase with age. And we also know that these events are more common in HIV-positive people. Over the next five years, D:A:D will assess risk factors for chronic disease events in HIV-positive people as they age, and help optimise patient monitoring and management.
The Impact Of HIV Integration Sites On Eliminating HIV Latency
Funder
National Health and Medical Research Council
Funding Amount
$778,313.00
Summary
Current antiviral therapy for HIV controls virus production and allows recovery but does not eliminate the silent infection that prevents complete virus elimination and cure. We will examine two ways that HIV can silently infect T cells for differences in the sites at which the HIV DNA inserts into the genome. We will examine the way in which these differences at the genomic level may limit the ability to activate and eliminate persistent infection in memory T cells.
Optimizing The Allocation Of Resources In Response To HIV/AIDS Epidemics
Funder
National Health and Medical Research Council
Funding Amount
$724,439.00
Summary
HIV/AIDS is still a major problem around the world, particularly in low- and middle-income countries. This project will support efforts to maximize health impact with limited resources, providing Ministries of Finance and Ministries of Health in developing countries along with global health agencies and funders a key tool and evidence on how to identify the optimal allocation of resources across multiple programs targeting numerous population groups.
Current anti-HIV therapies can't cure HIV because HIV remains silent(latent) in long-lived cells. The HIV life cycle and virus production is linked to activation of the host cell, which is regulated by dendritic cells. This grant will explore how the factors controlling T cell activation and proliferation control virus expression and latency. By understanding how latent infection is established and maintained, these studies will potentially identify new ways to eliminate HIV infection.
Randomised Trial To Determine The Safety And Efficacy Of Early Vs Deferred Treatment Of HIV
Funder
National Health and Medical Research Council
Funding Amount
$1,070,331.00
Summary
Treatments for HIV represent a miraculous achievement of medical research. Global use of antiretroviral drugs has prevented substantial morbidity and mortality. However, it is unclear if these drugs should be used in people who are HIV positive with early HIV disease but no clinical symptoms. The START trial will result in a precise estimate of the risk-benefit for earlier versus later use of these treatments. It will immediately affect treatment guidelines around the world and inform future res ....Treatments for HIV represent a miraculous achievement of medical research. Global use of antiretroviral drugs has prevented substantial morbidity and mortality. However, it is unclear if these drugs should be used in people who are HIV positive with early HIV disease but no clinical symptoms. The START trial will result in a precise estimate of the risk-benefit for earlier versus later use of these treatments. It will immediately affect treatment guidelines around the world and inform future research for many years to come.Read moreRead less
Control Of Combined Simian-human Immunodeficiency Virus Infection Utilising NK Cells Mediating Antigen-specific Antibody Dependent Cellular Cytotoxicity - A Novel Vaccine Modality
Funder
National Health and Medical Research Council
Funding Amount
$432,587.00
Summary
Recently, progress was made in developing a vaccine against HIV. Our laboratory was selected to join a global collaboration trying to elucidate the key to this success. Attention has focused on non-neutralizing antibodies and our laboratory has developed a unique expertise in detecting such immune responses. This research will define, purify and manufacture these antibodies and test their ability to prevent HIV in animals with the ultimate aim of producing a vaccine for human use.