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Utah Independent
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Promising new HIV drug keeps virus out of cells
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University of Utah researchers have developed a promising new anti-HIV drug candidate, PIE12-trimer, that prevents the virus from attacking human cells.
Michael S. Kay, associate professor of biochemistry in the University of Utah School of Medicine and senior author of the study, is raising funds to begin animal safety studies, followed by human clinical trials in two to three years.
Kay believes PIE12-trimer is ideally suited for use as a vaginal microbicide (topically applied drug) to prevent HIV infection. His research group is particularly focused on preventing the spread of HIV in Africa, which has an estimated two-thirds of the world's 33 million HIV patients according to the World Health Organization.
"We believe that PIE12-trimer could provide a major new weapon in the arsenal against HIV/AIDS. Because of its ability to block the virus from infecting new cells,
IE12-trimer has the potential to work as a microbicide to prevent people from contracting HIV and as a treatment for HIV infected people. HIV can develop resistance rapidly to existing drugs, so there is a constant need to develop new drugs in hopes of staying ahead of the virus." Kay said.
PIE12-trimer was designed with a unique "resistance capacitor" that provides it with a strong defense against the emergence of drug-resistant viruses.
Peptide drugs have great therapeutic potential, but are often hampered by their rapid degradation in the body. D-peptides are mirror-image versions of natural peptides that cannot be broken down, potentially leading to higher potency and longevity in the body. Despite these potential advantages, no D-peptides have yet been developed.
PIE12-trimer consists of three D-peptides (PIE12) linked together that block a "pocket" on the surface of HIV critical for HIV's gaining entry into the cell. "Clinical trials will determine if PIE12-trimer is as effective in humans as it is in the lab," Kay said.
Across the world, HIV occurs in many different strains and has the ability to mutate to resist drugs aimed at stopping it. Due to the high conservation of the pocket region across strains, PIE12-trimer worked against all major HIV strains worldwide, from Southeast Asia and South America to the United States and Africa.
The study has been published online by the Journal of Virology. (ANI) |
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Utah Independent
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Every minute of every day our news editors canvass the issues, and stories making the news to provide our readers with a broad and in-depth coverage of what's happening in the world.
Our first priority is the state. We specialise in Utah news. From Salt Lake City to West Valley City, we're on the lookout day and night to keep track of issues making the news. We also strive to keep abreast of national news.
Breaking stories out of the continental United States usually break first on the Utah Independent. Neighbouring states and key cities too often feature on our news pages.
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| Stratosphere Casino Hotel & Tower Las Vegas |
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I booked a lower cost room at $39.95 a night at this landmark hotel at the top end of the famous Las Vegas Strip. Arriving at...
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