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Immune System

  • 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
  • Newly Found Immune Deficiency Opens the Door to Fungal Infections, Bacterial Disease
    When a genetic error weakens a child's immunity, otherwise nonthreatening microbes can sicken and sometimes kill. In work published July 9 in Science, researchers at Rockefeller University and their colleagues identify one surprising case in which mutations in a single gene ...More
    July 10, 2015 Posted in News
  • Study Finds Vitamin A Directs Immune Cells to the Intestines
    A key set of immune cells that protect the body from infection would be lost without directions provided by vitamin A, according to a recent study. A team of researchers from Purdue University found retinoic acid, a metabolite that comes from digested vitamin A, is ...More
    July 9, 2015 Posted in News
  • Vitamin A Supplementation May Cause the Immune System to Forget Past Infections
    Although vitamin A supplementation can have profound health benefits when someone is deficient, new evidence is emerging to show that vitamin A supplementation above and beyond normal levels may have negative health consequences. A new research report published in the July ...More
    June 30, 2015 Posted in News
  • Disabling Infection-Fighting Immune Response Speeds Up Wound Healing
    One of the body's tools for fighting off infection in a wound may actually slow down the healing process, according to new research by a team of Harvard University, Boston Children's Hospital, and Penn State University scientists. In a study published online in Nature ...More
    June 18, 2015 Posted in News
  • Immune System Needs Battle-Ready T Cells
    Just as militaries need to have trained, experienced soldiers ready for future wars, making sure that the immune system has enough battle-ready T cells on hand is important for fast-acting, more effective vaccines, according to Penn State researchers. In a study of immune ...More
    June 16, 2015 Posted in News
  • Vitamin D Can Improve Immune Response to HIV-1
    Vitamin D plays an important part in the human immune response and deficiency can leave individuals less able to fight infections like HIV-1. Now an international team of researchers has found that high-dose vitamin D supplementation can reverse the deficiency and also ...More
    June 15, 2015 Posted in News
  • New Mechanism That Attacks Viral Infections is Discovered
    An innovative mechanism that the innate immune system uses to control viral infections has been uncovered by researchers at the University Medical Centers in Mainz and Freiburg. Central to this is the discovery that two different but related elements of the immune system ...More
    June 15, 2015 Posted in News