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Immune System

  • Biologists Provide Molecular Explanation for the Evolution of Tamiflu Resistance
    Biologists at the California Institute of Technology (Caltech) have pinpointed molecular changes that helped allow the global spread of resistance to the antiviral medication Tamiflu (oseltamivir) among strains of the seasonal H1N1 flu virus. The study—led by David ...More
    June 3, 2010 Posted in News
  • Novel Therapeutic Approach Shows Promise Against Multiple Bacterial Pathogens
    A team of scientists from government, academia and private industry has developed a novel treatment that protects mice from infection with the bacterium that causes tularemia, a highly infectious disease of rodents, sometimes transmitted to people, and also known as rabbit ...More
    June 2, 2010 Posted in News
  • Bone Marrow Plays Critical Role in Enhancing Immune Response to Viruses
    Researchers at Mount Sinai School of Medicine for the first time have determined that bone marrow cells play a critical role in fighting respiratory viruses, making the bone marrow a potential therapeutic target, especially in people with compromised immune systems. They ...More
    May 24, 2010 Posted in News
  • Immune Evasion Common in Many Viruses, Bacteria and Parasites is Uncommon in M. tuberculosis
    Scientists at NYU Langone Medical Center have discovered that the strategy of "immune evasion" common to many viruses, bacteria and parasites, is uncommon to M. tuberculosis where the antigens remain strikingly unchanged and homogenous. The study published in Nature ...More
    May 24, 2010 Posted in News
  • New Steps Toward a Universal Flu Vaccine
    Researchers at Mt. Sinai School of Medicine have developed a novel influenza vaccine that could represent the next step towards a universal influenza vaccine eliminating the need for seasonal immunizations. They report their findings today in the inaugural issue of ...More
    May 19, 2010 Posted in News
  • Overcoming Anthrax Bacterium's Natural Defenses Could Hold Key to New Treatments
    Army scientists have discovered a way to "trick" the bacterium that causes anthrax into shedding its protective covering, making it easier for the body's immune system to mount a defense. The study, which appears in this month's issue of the journal Microbiology, could lead ...More
    May 18, 2010 Posted in News
  • New Technique May Quickly Distinguish Between Active and Latent TB
    An emerging technique designed to quickly distinguish between people with active and dormant tuberculosis may help health professionals diagnose the disease sooner, thereby potentially limiting early exposure to the disease, according to a study conducted by researchers at ...More
    May 17, 2010 Posted in News
  • DFA Unreliable in H1N1 Testing in Critically Ill Patients
    Direct immunofluorescence assay (DFA) testing for H1N1 influenza is unreliable in ICU patients, according to a new study from Stanford University. Multiple methods exist for diagnosing influenza, but data on the utility and accuracy of these tests for H1N1 are still ...More
    May 17, 2010 Posted in News
  • Response to Vaccines Could Depend on Your Sex
    Biological differences between the sexes could be a significant predictor of responses to vaccines, according to researchers at the Johns Hopkins Bloomberg School of Public Health. They examined published data from numerous adult and child vaccine trials and found that sex ...More
    May 12, 2010 Posted in News
  • Unmasking Anthrax for Immune Destruction
    Anthrax-causing bacteria can be engineered to shed their invisibility cloaks, making it easier for the immune system to eradicate it, according to a new study published in Microbiology. The work could lead to new measures to treat anthrax infection in the event of a ...More
    May 1, 2010 Posted in News