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Immune System

  • Immune Cell Study Prompts Scientists to Rethink How to Tackle Infections
    Fresh insights into how immune cells are regulated could signal a new approach to tackling infections. Researchers have found that oxygen levels in the body can profoundly change the way immune cells behave. Scientists say the findings pave the way for new therapies that ...More
    February 14, 2017 Posted in News
  • Infection Defense: Call for Support by Killer Cells
    A few days after a viral infection, countless killer cells swarm out to track down and kill infected body cells. In this way, they are highly effective at preventing pathogens from being able to spread further. An international research team has now explained an important ...More
    February 9, 2017 Posted in News
  • White Blood Cells Push Their Way Through Barriers to Get to Infection Sites
    One of the mysteries of the living body is the movement of cells – not just in the blood, but through cellular and other barriers. New research at the Weizmann Institute of Science has shed light on the subject, especially on the movement of immune cells that race to ...More
    January 31, 2017 Posted in News
  • Chronic Sleep Deprivation Suppresses Immune System
    Many people report getting sick when they don't get enough sleep. A new study helps explain why. Researchers took blood samples from 11 pairs of identical twins with different sleep patterns and discovered that the twin with shorter sleep duration had a depressed immune ...More
    January 27, 2017 Posted in News
  • Scientists Discover Critical Antiviral Role of Biological Molecule
    Scientists have discovered that a biological molecule important in cell growth (STAT3) is also critical in protecting us against infection - so much so that we would be unable to fight the common flu virus without it. Their discovery could pave the way to the development of ...More
    January 26, 2017 Posted in News
  • Biophysics Plays Key Role in Immune System Signaling and Response
    How big you are may be as important as what you look like, at least to immune system cells watching for dangerous bacteria and viruses. The size of pathogenic particles and the density of the molecular information stored on them provides additional danger signals to the ...More
    January 19, 2017 Posted in News
  • NIH Scientists Identify Early Impact of Ebola Virus on Immune System
    A new mouse model of early Ebola virus (EBOV) infection has shown National Institutes of Health (NIH) scientists and colleagues how early responses of the immune system can affect development of EBOV disease. The model could help identify protective immune responses as ...More
    January 17, 2017 Posted in News
  • Persistent Infection Keeps Immune Memory Sharp, Leading to Long-Term Protection
    Many infectious diseases are one and done; people get sick once and then they are protected from another bout of the same illness. For some of these infections - chickenpox, for example - a small number of microbes persist in the body long after the symptoms have gone away. ...More
    January 17, 2017 Posted in News
  • Researchers Discover That T Cells Play a Crucial Role in Control of Zika Infections
    The worst of the global Zika virus outbreak may be over but many key questions remain, such as why the virus persists in certain tissues after the systemic infection has cleared; how does the immune system counteract the virus and protect against reinfection; what ...More
    January 12, 2017 Posted in News
  • Sunlight Energizes Infection-Fighting T Cells
    Georgetown University Medical Center researchers have found that sunlight, through a mechanism separate than vitamin D production, energizes T cells that play a central role in human immunity. Their findings, published today in Scientific Reports, suggest how the skin, the ...More
    December 20, 2016 Posted in News