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Immune System

  • Deadly Bacteria Stiff-Arm the Immune System
    The most severe Group A Streptococcus (strep) infections are often the work of one particularly nefarious strain known as M1T1, named in part for the type of tentacle-like M protein projecting from the bacterium’s surface. While many previous studies proposed ways M1 ...More
    October 14, 2015 Posted in News
  • Cell Marker Enables Prognosis About the Course of Infections
    When a pathogen invades the body, specific cells in the human immune system are ready to take immediate action in order to destroy it. The molecular characteristics of these killer cells were unknown until recently. Now, for the first time, a team from the Technical ...More
    October 1, 2015 Posted in News
  • HIV Particles Do Not Cause AIDS, Our Own Immune Cells Do
    Researchers from the Gladstone Institutes have revealed that HIV does not cause AIDS by the virus's direct effect on the host's immune cells, but rather through the cells' lethal influence on one another. HIV can either be spread through free-floating virus that directly ...More
    August 27, 2015 Posted in News
  • Immune System Helps Killer Cells When Infection is Present
    Scientists at the University of Bonn, together with colleagues from the U.S. and Japan, have shed light on an important immune mechanism. Their work shows how the body provides the important killer cells with a helper in the case of an infection. The study could point the ...More
    August 21, 2015 Posted in News
  • High Blood Sugar of Diabetes Can Cause Immune System Malfunction, Triggering Infection
    Case Western Reserve scientists may have uncovered a molecular mechanism that sets into motion dangerous infection in the feet and hands often occurring with uncontrolled diabetes. It appears that high blood sugar unleashes destructive molecules that interfere with the ...More
    August 7, 2015 Posted in News
  • Scripps Florida Scientists Show How Aging Cripples the Immune System
    Scientists from the Florida campus of the Scripps Research Institute (TSRI) have shown how aging cripples the production of new immune cells, decreasing the immune system’s response to vaccines and putting the elderly at risk of infection. The study goes on to show ...More
    August 7, 2015 Posted in News
  • Study Shows Immune Cells in the Skin Remember and Defend Against Parasites
    Just as the brain forms memories of familiar faces, the immune system remembers pathogens it has encountered in the past. T cells with these memories circulate in the blood stream looking for sites of new infection. Recently, however, researchers have shown that memory T ...More
    July 28, 2015 Posted in News
  • Researchers Link HIV Susceptibility to Little-Understood Immune Cell Class
    High diversity among certain cells that help fight viruses and tumors is strongly associated with the likelihood of subsequent infection by HIV, Stanford University School of Medicine researchers have found. Natural killer cells, or NK cells, are lymphocytes, a type of ...More
    July 23, 2015 Posted in News
  • Cholesterol Metabolism in Immune Cells Linked to HIV Progression
    Lower levels of cholesterol in certain immune cells--a result of enhanced cholesterol metabolism within those cells--may help explain why some HIV-infected people are able to naturally control disease progression, according to research that will be presented in a poster at ...More
    July 17, 2015 Posted in News
  • Scientists Find Molecular Switch That Creates Long-Term Immunity
    Melbourne researchers have identified a protein responsible for preserving the antibody-producing cells that lead to long-term immunity after infection or vaccination. ...More
    July 13, 2015 Posted in News