Immune System

  • Gut Flora Affects Maturation of B Cells in Infants
    Infants whose gut is colonized by E. coli bacteria early in life have a higher number of memory B cells in their blood, reveals a study of infants carried out at the Sahlgrenska Academy at the University of Gothenburg, Sweden. The bacteria in our gut outnumber the cells in ...More
    May 7, 2012
    Posted in News
  • Studies Reveal How Cells Distinguish Between Disease-Causing and Innocuous Invaders
    The specific mechanisms by which humans and other animals are able to discriminate between disease-causing microbes and innocuous ones in order to rapidly respond to infections have long been a mystery to scientists. But a study conducted on roundworms by biologists at UC ...More
    April 12, 2012
    Posted in News
  • Rare Immune Cells Could Hold Key to Treating Immune Disorders
    The characterization of a rare immune cell’s involvement in antibody production and ability to ‘remember’ infectious agents could help to improve vaccination and lead to new treatments for immune disorders, say researchers from the Walter and Eliza Hall Institute. ...More
    April 2, 2012
    Posted in News
  • HIV 'Superinfection' Boosts Immune Response
    Women who have been infected by two different strains of HIV from two different sexual partners – a condition known as HIV superinfection – have more potent antibody responses that block the replication of the virus compared to women who’ve only been infected once. These ...More
    March 29, 2012
    Posted in News
  • 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
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