Immune System


  • New Role for Body’s Natural Killers
    Scientists at the University of York have discovered a new role for a population of white blood cells, which may lead to improved treatments for chronic infections and cancer.Natural Killer (NK) cells are abundant white blood cells that were recognized more than 30 years ...More
    August 27, 2008 Posted in News
  • White Blood Cell Uses DNA 'Catapult' to Fight Infection
    SALTLAKECITY – U.S. and Swiss scientists have made a breakthrough in understanding how a type of white blood cell called the eosinophil may help the body to fight bacterial infections in the digestive tract, according to research published online this week in Nature ...More
    August 13, 2008 Posted in News
  • How Flesh-Eating Bacteria Attack the Body’s Immune System
    “Flesh-eating” bacteria are able to survive and spread in the body by degrading a key immune defense molecule, according to researchers at the University of California, San Diego, School of Medicine and Skaggs School of Pharmacy and Pharmaceutical Sciences. The ...More
    August 13, 2008 Posted in News
  • Study Shows Why Treatment Isn't Effective for HIV
    University of Minnesota researchers have answered a key question as to why antiretroviral therapy isn't effective in restoring immunity in HIV-infected patients. Once a person is infected with the virus, fibrosis, or scarring, occurs in the lymph nodes – the home of T ...More
    August 5, 2008 Posted in News
  • HIV Conquers Immune System Faster Than Previously Realized
    DURHAM, N.C. – New research into the earliest events occurring immediately upon infection with HIV-I shows that the virus deals a stunning blow to the immune system earlier than was previously understood. According to scientists at Duke University Medical Center, this ...More
    July 18, 2008 Posted in News
  • Animal Study Identifies New DNA Weapon Against Avian Flu
    Researchers at the University of Pennsylvania School of Medicine have identified a potential new way to vaccinate against avian flu. By delivering vaccine via DNA constructed to build antigens against flu, along with a minute electric pulse, researchers have immunized ...More
    July 2, 2008 Posted in News
  • Researchers Discover How Measles Virus Spreads in its Host
    Measles, one of the most common contagious diseases, has been thought to enter the body through the surface of airways and lungs, like many other major viruses. Now, Mayo Clinic researchers and their collaborators say that’s not the case, and some medical texts will ...More
    June 23, 2008 Posted in News
  • How Montezuma Gets His Revenge
    Every year, about 500 million people worldwide are infected with the parasite that causes dysentery, a global medical burden that among infectious diseases is second only to malaria. In a new study appearing in the June 15 issue of Genes and Development, Johns Hopkins ...More
    June 16, 2008 Posted in News
  • World Leaders Call for Action to Reduce TB Deaths Among HIV-Positive People
    NEW YORK CITY -- For the first time ever, heads of governments, public health and business leaders, heads of United Nations (UN) agencies and activists came together at UN headquarters today to confront a threat to global health that could undermine investments in ...More
    June 10, 2008 Posted in News
  • TB Treatment for Elderly Likely Requires an Immune Response Boost
    Manipulating the immune system in elderly people appears to be the most likely way to help older patients wage an effective battle against tuberculosis, a new study suggests.Mathematical modeling of how mice respond to TB infection suggests that potential therapy options ...More
    June 10, 2008 Posted in News