Featured Research

from universities, journals, and other organizations

Genetic Influence On Pace Of HIV-AIDS Progression Identified

Date:
October 24, 2007
Source:
NIH/National Institute of Allergy and Infectious Diseases
Summary:
Viral load -- the amount of virus in the blood of an HIV-infected person -- has long been viewed as the chief indicator of how quickly someone infected with HIV infection progresses to AIDS. New data builds on previous work that suggests that several other factors in addition to viral load significantly contribute to disease progression rates.

Viral load--the amount of virus in the blood of an HIV-infected person--has long been viewed as the chief indicator of how quickly someone infected with HIV infection progresses to AIDS.

Related Articles


New data published in Nature Immunology builds on previous work that suggests that several other factors in addition to viral load significantly contribute to disease progression rates.

Researchers led by Sunil Ahuja, M.D., of the University of Texas Health Science Center in San Antonio, examined genetic information from more than 3,500 HIV-1 infected and uninfected individuals.

They found that individuals who had specific combinations of two genes--CCR5, which helps facilitate HIV entry into the cell, and CCL3L1, an immune response gene--were much more likely to have reduced immune responses and a greater decline in CD4 T cells, two hallmarks of progressive HIV disease.

Further, the researchers found that in HIV-infected subjects, viral load contributed only 9 percent to the variability in rate of progression to AIDS; variations in CCR5 and CCL3L1 combined accounted for 6 percent variability in AIDS progression rates.

The findings may have implications for the care of HIV-infected individuals in terms of being able to more effectively predict the course of HIV disease. With further research, this work may lead to additional markers, which along with viral load may serve as indicators of HIV progression. The study was funded by the National Institute of Allergy and Infectious Diseases (NIAID), part of the National Institutes of Health.

Article: "CCL3L1 and CCR5 influence cell-mediated immunity and affect HIV-AIDS pathogenesis via viral entry-independent mechanisms" by Matthew J. Dolan et al. Nature Immunology (Published online Sunday, October 21, 2007). DOI: 10.1038/ni1521 (2007).


Story Source:

The above story is based on materials provided by NIH/National Institute of Allergy and Infectious Diseases. Note: Materials may be edited for content and length.


Cite This Page:

NIH/National Institute of Allergy and Infectious Diseases. "Genetic Influence On Pace Of HIV-AIDS Progression Identified." ScienceDaily. ScienceDaily, 24 October 2007. <www.sciencedaily.com/releases/2007/10/071022122210.htm>.
NIH/National Institute of Allergy and Infectious Diseases. (2007, October 24). Genetic Influence On Pace Of HIV-AIDS Progression Identified. ScienceDaily. Retrieved November 27, 2014 from www.sciencedaily.com/releases/2007/10/071022122210.htm
NIH/National Institute of Allergy and Infectious Diseases. "Genetic Influence On Pace Of HIV-AIDS Progression Identified." ScienceDaily. www.sciencedaily.com/releases/2007/10/071022122210.htm (accessed November 27, 2014).

Share This


More From ScienceDaily



More Health & Medicine News

Thursday, November 27, 2014

Featured Research

from universities, journals, and other organizations


Featured Videos

from AP, Reuters, AFP, and other news services

Pet Dogs to Be Used in Anti-Ageing Trial

Pet Dogs to Be Used in Anti-Ageing Trial

Reuters - Innovations Video Online (Nov. 26, 2014) Researchers in the United States are preparing to discover whether a drug commonly used in human organ transplants can extend the lifespan and health quality of pet dogs. Video provided by Reuters
Powered by NewsLook.com
Today's Prostheses Are More Capable Than Ever

Today's Prostheses Are More Capable Than Ever

Newsy (Nov. 26, 2014) Advances in prosthetics are making replacement body parts stronger and more lifelike than they’ve ever been. Video provided by Newsy
Powered by NewsLook.com
From Popcorn To Vending Snacks: FDA Ups Calorie Count Rules

From Popcorn To Vending Snacks: FDA Ups Calorie Count Rules

Newsy (Nov. 25, 2014) The US FDA is announcing new calorie rules on Tuesday that will require everywhere from theaters to vending machines to include calorie counts. Video provided by Newsy
Powered by NewsLook.com
Daily Serving Of Yogurt Could Reduce Risk Of Type 2 Diabetes

Daily Serving Of Yogurt Could Reduce Risk Of Type 2 Diabetes

Newsy (Nov. 25, 2014) Need another reason to eat yogurt every day? Researchers now say it could reduce a person's risk of developing type 2 diabetes. Video provided by Newsy
Powered by NewsLook.com

Search ScienceDaily

Number of stories in archives: 140,361

Find with keyword(s):
Enter a keyword or phrase to search ScienceDaily for related topics and research stories.

Save/Print:
Share:

Breaking News:

Strange & Offbeat Stories


Health & Medicine

Mind & Brain

Living & Well

In Other News

... from NewsDaily.com

Science News

Health News

Environment News

Technology News



Save/Print:
Share:

Free Subscriptions


Get the latest science news with ScienceDaily's free email newsletters, updated daily and weekly. Or view hourly updated newsfeeds in your RSS reader:

Get Social & Mobile


Keep up to date with the latest news from ScienceDaily via social networks and mobile apps:

Have Feedback?


Tell us what you think of ScienceDaily -- we welcome both positive and negative comments. Have any problems using the site? Questions?
Mobile: iPhone Android Web
Follow: Facebook Twitter Google+
Subscribe: RSS Feeds Email Newsletters
Latest Headlines Health & Medicine Mind & Brain Space & Time Matter & Energy Computers & Math Plants & Animals Earth & Climate Fossils & Ruins