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Immune System

  • TB: Hiding in Plain Sight
    Current research suggests that Mycobacterium tuberculosis can evade the immune response. The paper by Rahman et al., "Compartmentalization of immune responses in human tuberculosis: few CD8+ effector T cells but elevated levels of FoxP3+ regulatory T cells in the ...More
    May 26, 2009 Posted in News, Hand Hygiene, PPE & Standard Precautions
  • Researchers Uncover Mechanism Allowing Flu Virus to Evade the Body's Immune Response
    Researchers at the University of Southern California (USC) have identified a critical molecular mechanism that allows the influenza virus to evade the body's immune response system. The study will be published in the May 21 issue of the journal Cell Host & Microbe. "We ...More
    May 20, 2009 Posted in News
  • Scientists Link Influenza A(H1N1) Susceptibility to Common Levels of Arsenic Exposure
    This colorized negative stained transmission electron micrograph (TEM) depicts some of the ultrastructural morphology of the A/CA/4/09 swine flu virus.The ability to mount an immune response to influenza A (H1N1) infection is significantly compromised by a low level of ...More
    May 20, 2009 Posted in News
  • What Happened to the TB Vaccine?
    A team of VanderbiltUniversityMedicalCenter investigators has cracked one of clinical medicine's enduring mysteries – what happened to the tuberculosis vaccine. The once-effective vaccine no longer prevents the bacterial lung infection that kills more than 1.7 million ...More
    May 19, 2009 Posted in News
  • A New Way to Treat the Flu
    Dr. Robert Linhardt's new compound (green spheres) blocks both the N (pink spikes) and H (blue spikes) portion of the flu virus. What happens if the next big influenza virus mutation proves resistant to the available antiviral drugs? This question is presenting itself right ...More
    May 19, 2009 Posted in News
  • Immune Response to Flu Captured by Computer Simulation
    Researchers have successfully tested for the first time a computer simulation of major portions of the body's immune reaction to influenza type A, with implications for treatment design and preparation ahead of future pandemics, according to work posted online by the ...More
    May 18, 2009 Posted in News
  • Novel Vaccine Offers Hope in Fight Against HIV
    A research team may have broken the stubborn impasse that has frustrated the invention of an effective HIV vaccine, by using an approach that bypasses the usual path followed by vaccine developers. By using gene transfer technology that produces molecules that block ...More
    May 18, 2009 Posted in News
  • Chronic Infection Now Clearly Tied to Immune System Protein
    The reason deadly infections like human immunodeficiency virus (HIV) and hepatitis C never go away is because these viruses disarm the body’s defense system. Researchers at the University of Alabama at Birmingham (UAB) have discovered that a key immunity protein must ...More
    May 14, 2009 Posted in News
  • Immune Exhaustion Driven by Antigen in Chronic Viral Infection
    A main reason why viruses such as HIV or hepatitis C persist despite a vigorous initial immune response is exhaustion. The T cells, or white blood cells, fighting a chronic infection eventually wear out. Researchers at Emory Vaccine Center have demonstrated that exhaustion ...More
    May 13, 2009 Posted in News
  • Immune Response to Influenza Predicted by Mathematical Model
    Researchers at the University of Rochester have developed a mathematical model to predict immune responses to infection with influenza A viruses, including novel viruses such as the emergent 2009 influenza A (H1N1). This model examines the contributions of specific sets of ...More
    May 13, 2009 Posted in News