Latest Simian immunodeficiency virus Stories

April Flowers for redOrbit.com - Your Universe Online A new study, led by Alfred Roca of the College of Agricultural, Consumer and Environmental Sciences (ACES) at the University of Illinois, reveals that human immunodeficiency virus (HIV) may have affected humans for much longer than is currently believed. Roca, an assistant professor, believes the genomes of an isolates West African population provides important clues about the evolution of the HIV virus. HIV is thought to have...

The findings of a new study in monkeys may help clarify why some people infected with HIV are better able to control the virus. They also may pinpoint a target for treatment during early HIV infection aimed at increasing the supply of certain immune cells in the gut, which the study shows could be an important factor in limiting HIV growth in cells throughout the body. The study was led by researchers at the University of California, San Francisco (UCSF) and included Kristina Abel, PhD, an...

After being infected with SIV, rhesus macaques that had more of a certain type of immune cell in their gut than others had much lower levels of the virus in their blood, and for 6 months after infection were better able to control the virus After being infected with simian immunodeficiency virus (SIV) in a laboratory study, rhesus macaques that had more of a certain type of immune cell in their gut than others had much lower levels of the virus in their blood, and for six months after...

An Atlanta research collaboration may be one step closer to finding a vaccine that will provide long-lasting protection against repeated exposures to human immunodeficiency virus (HIV). Scientists at Emory University and GeoVax Labs, Inc. developed a vaccine that has protected nonhuman primates against multiple exposures to simian immunodeficiency virus (SIV) given in three clusters over more than three years. SIV is the nonhuman primate version of HIV. Harriet L. Robinson, PhD, chief...

Infectious disease has joined poaching and habitat loss as a major threat to the survival of African great apes as they have become restricted to ever-smaller populations. Despite the work of dedicated conservationists, efforts to save our closest living relatives from ecological extinction are largely failing, and new scientific approaches are necessary to analyze major threats and find innovative solutions. In response to this crisis, researchers at UC Santa Barbara's National Center for...

Using a combination of evolutionary biology and virology, scientists at Fred Hutchinson Cancer Research Center have traced the birth of the ability of some HIV-related viruses to defeat a newly discovered cellular-defense system in primates. The research, led by Michael Emerman, Ph.D., a member of the Hutchinson Center's Human Biology and Basic Sciences Division, and Harmit Malik, Ph.D., a member of the Center's Basic Sciences Division, was published online Jan. 26 ahead of the Feb. 16...

An experimental vaccine tested in rhesus monkeys helped protect them from getting infected with Simian Immunodeficiency Virus (SIV) -- the primate version of HIV and AIDS -- and appears to make the disease more manageable in those who aren’t protected, researchers reported on Wednesday. The vaccine reduced the risk of infection by 80 percent among the monkeys exposed to SIV, while monkeys that became infected had lower amounts of the virus in their blood, the research team reported in...

(Ivanhoe Newswire) –Back to the future! Researchers are using a new computational approach to help fight HIV. In 2009, 33.3 million people around the world were living with HIV/AIDS. More than 60 million people have been infected with HIV since the pandemic began. Now a new computational approach has predicted numerous human proteins that the HIV virus requires to replicate itself. Since viruses such as HIV have very small genomes, researchers are exploiting the cellular machinery of...

A new computational approach has predicted numerous human proteins that the human immunodeficiency virus (HIV) requires to replicate itself. These discoveries "constitute a powerful resource for experimentalists who desire to discover new targets for human proteins that can control the spread of HIV," according to the authors of this study that appears in the Sept. 22, 2011 issue of PLoS Computational Biology, a journal published by the Public Library of Science. The authors of the article...

A new computational approach has predicted numerous human proteins that the human immunodeficiency virus (HIV) requires to replicate itself, and "constitutes a powerful resource for experimentalists who desire to discover new human proteins that can control the spread of HIV," according to the authors of a study, which will be published in the open-access journal PLoS Computational Biology on Thursday 22nd September 2011. "Drugs used to cure HIV become rapidly ineffective because HIV is...