Immune Response

  • 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
  • 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
  • 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
  • Concept of Tolerance to Infection Could Create New Strategies to Treat Infectious Diseases
    The immune system protects from infections by detecting and eliminating invading pathogens. These two strategies form the basis of conventional clinical approaches in the fight against infectious diseases. In the latest issue of the journal Science, Miguel Soares from the ...More
    February 23, 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
  • Secrets of Immune Response Illuminated in New Study
    When disease-causing invaders like bacteria infect a human host, cells of various types swing into action, coordinating their activities to address the threat. In new research appearing in this month’s issue of the journal Nature Immunology, Roy Curtiss, director of the ...More
    February 9, 2012
    Posted in News
  • Why Bad Immunity Genes Survive
    This electron microscope image shows yellow particles of a mouse leukemia virus named Friend virus emerging or "budding" out of an infected white blood cell known as a T-cell. By allowing the Friend virus to mutate and evolve in mice, University of Utah researchers produced ...More
    February 7, 2012
    Posted in News
  • Leprosy Pathogen Evades Critical Vitamin D-Dependent Immune Response
    A team of UCLA scientists has found that the pathogen that causes leprosy has a remarkable ability to avoid the human immune system by inhibiting the antimicrobial responses important to our defenses. In one of the first laboratory studies of its kind, researchers ...More
    January 30, 2012
    Posted in News
  • Vaccines to Boost Immunity Where It Counts, Not Just Near Shot Site
    Researchers at Duke University Medical Center have created synthetic nanoparticles that target lymph nodes and greatly boost vaccine responses, said lead author Ashley St. John, PhD, a researcher at Duke-NUS Graduate Medical School. The paper was published online in the ...More
    January 23, 2012
    Posted in News
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