Immune System


  • Scientists Unmask Key HIV Protein, Open Door for New AIDS Drugs
    At left, a normal, uninfected cell with green-stained MHC-I protein on the cell surface. At right, an HIV infected cell -- most of the MHC-I builds up inside, keeping the cell from telling the immune system that it harbors a virus. Source: University of Michigan  ...More
    September 29, 2008 Posted in News
  • “Friendly” Bacteria Protect Against Type 1 Diabetes, Yale Researchers Find
    In a dramatic illustration of the potential for microbes to prevent disease, researchers at Yale University and the University of Chicago showed that mice exposed to common stomach bacteria were protected against the development of Type I diabetes.The findings, reported in ...More
    September 22, 2008 Posted in News
  • Herpes Virus Changes Anti-Herpes Drug to Form that Hinders AIDS Virus
    The drug acyclovir has long been used to suppress outbreaks of oral and genital herpes. Herpes viruses change acyclovir to a form that prevents them from reproducing. Now, it appears that after acyclovir is altered by herpes viruses, it also interferes with the AIDS ...More
    September 11, 2008 Posted in News
  • Herpes Virus Weaves Itself Into the DNA Transferred from Parents to Babies
    Parents expect to pass on their eye or hair color, their knobby knees or their big feet to their children through their genes. But they don't expect to pass on viruses through those same genes.New research from the University of Rochester Medical Center shows that some ...More
    September 2, 2008 Posted in News
  • Innate Immune System Targets Asthma-Linked Fungus for Destruction
    BLACKSBURG, Va. – A new study shows that the innate immune system of humans is capable of killing a fungus linked to airway inflammation, chronic rhinosinusitis and bronchial asthma. Researchers at Mayo Clinic and the Virginia Bioinformatics Institute (VBI) have ...More
    September 2, 2008 Posted in News
  • Most Vaccine-Allergic Children Can Still be Vaccinated Safely, Hopkins Experts Say
    With close monitoring and a few standard precautions, nearly all children with known or suspected vaccine allergies can be safely immunized, according to a team of vaccine safety experts led by the Johns Hopkins Children's Center. Writing in the September issue of ...More
    September 2, 2008 Posted in News
  • 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