Immune System

  • Why Getting Healthy Can Seem Worse Than Getting Sick
    A new article in the Quarterly Review of Biology helps explain why the immune system often makes us worse while trying to make us well. The research offers a new perspective on a component of the immune system known as the acute-phase response, a series of systemic changes ...More
    March 20, 2012 Posted in News
  • Study Uncovers How Salmonella Avoids the Body's Immune Response
    UC Irvine researchers have discovered how salmonella, a bacterium found in contaminated raw foods that causes major gastrointestinal distress in humans, thrives in the digestive tract despite the immune system’s best efforts to destroy it. Their findings help explain why ...More
    March 14, 2012 Posted in News
  • New Immune System Sensor May Speed Up, Slash Cost of Detecting Disease
    An inexpensive new medical sensor has the potential to simplify the diagnosis of diseases ranging from life-threatening immune deficiencies to the common cold, according to its inventors at the Stanford University School of Medicine. Their device, called an integrated ...More
    March 7, 2012 Posted in News
  • Tonsils Make T-Cells, Too, Ohio State Study Shows
    A new study provides evidence that a critical type of immune cell can develop in human tonsils. The cells, called T lymphocytes, or T cells, have been thought to develop only in the thymus, an organ of the immune system that sits on the heart. The study, led by researchers ...More
    March 5, 2012 Posted in News
  • Is Depression the Evolutionary Byproduct of the Ability to Fight Infection?
    Depression is common enough – afflicting 1 in 10 adults in the United States -- that it seems the possibility of depression must be “hard-wired” into our brains. This has led biologists to propose several theories to account for how depression, or behaviors linked to it, ...More
    March 1, 2012 Posted in News
  • Research Sheds Light on How Immune System Targets Infection
    University of Texas Medical Branch at Galveston researchers have discovered previously unsuspected aspects of the guidance system used by the body's first line of defense against infection. The new work focuses on the regulation of immune response by two forms of the ...More
    February 28, 2012 Posted in News
  • How to Rescue the Immune System
    In a study published in Nature Medicine, Loyola researchers report on a promising new technique that potentially could turn immune system killer T cells into more effective weapons against infections and possibly cancer. The technique involves delivering DNA into the immune ...More
    February 27, 2012 Posted in News
  • Research Discovers That Potentially Deadly Fungus Senses Body's Defenses to Evade Them
    Glen Palmer, PhD, assistant professor of microbiology, immunology and parasitology at LSU Health Sciences Center New Orleans, was part of an international research team led by Luigina Romani, MD, at the University of Perugia, that discovered opportunistic fungi like Candida ...More
    February 22, 2012 Posted in News
  • When the Body Clock Runs Down, the Immune System Takes Time Off
    The circadian clock is a finely tuned genetic mechanism that regulates our sleep cycle and key metabolic changes during the 24-hour cycle. It also may help determine whether we get sick or not, according to a new Yale School of Medicine study published online Feb 16 in the ...More
    February 16, 2012 Posted in News
  • Stress in Cells Activates Hepatitis Viruses
    People who have received a donor organ need lifelong immunosuppressant drugs to keep their immune system from attacking the foreign tissue. However, with a suppressed immune system, many infectious agents turn into a threat. Infections such as with human cytomegalovirus and ...More
    February 13, 2012 Posted in News