Infection Control Today - Immune System

Researchers Discover Important Mechanism in Fighting Infection

Richard Lamb and his post doctoral fellow Virginie Mieulet, in the Faculty of Medicine & Dentistry at the University of Alberta, may be able to explain why proper nutrition is so vital in fighting infection. They have discovered an amino acid, called arginine, is ...More

1 week ago

Posted in News, Infections, Research & Studies

Macrophages: The Defense Cells That Regulate Immunity and Help Heal Wounds

The term "macrophage" conjures images of a hungry white blood cell gobbling invading bacteria. However, macrophages do much more than that: Not only do they act as antimicrobial warriors, they also play critical roles in immune regulation and wound-healing. They can respond ...More

2 weeks ago

Posted in News, Infections

Old Drug Holds Promise Against Opportunistic Lung Pathogen

A drug to treat inflammation plays a surprising role reducing the level of infection caused by an opportunistic bug that is deadly for AIDS and cancer patients and others with weakened immune systems. The drug, sulfasalazine, spurs the body to get rid of the fungal evaders ...More

3 weeks ago

Posted in News, Pathogens, Infections

Researchers Discover Cause of Immune System Avoidance of Certain Pathogens

A special set of sugars found on some disease-causing pathogens helps those pathogens fight the body's natural defenses as well as vaccines, say two Iowa State University researchers. This discovery may be a first step in understanding a disease family that includes ...More

3 weeks ago

Posted in News, Pathogens, Research & Studies

Immune System Overreaction May Enable Recurrent UTIs

The immune system may open the door to recurrent urinary tract infections (UTIs) by overdoing its response to an initial infection, researchers at Washington University School of Medicine in St. Louis have found. ...More

4 weeks ago

Posted in News, Infections, Research & Studies

Research Project to Define Markers of Human Immune Responses to Infection and Vaccination

A new nationwide research initiative has been launched to define changes in the human immune system, using human and not animal studies, in response to infection or to vaccination. Six U.S.-based Human Immune Phenotyping Centers will receive a total of $100 million over ...More

4 weeks ago

Posted in News, Infections, Antimicrobials & Vaccinations

How Legionella Protects Itself from Immune Cells

When it infects the lungs, the Legionnaire’s bacterium Legionella pneumophila causes acute pneumonia. The pathogen’s modus operandi is particularly ingenious: it infiltrates deliberately into cells of the human immune system and injects a host of proteins which then ...More

July 23, 2010

Posted in News, Pathogens

Studying Plant Microbes Has Implications for Fighting Human Diseases

Understanding microbes' mechanisms of infection could help scientists develop new strategies for combating the most damaging diseases of the world's major food crops as well as several human diseases. ...More

July 22, 2010

Posted in News, Pathogens

Examining Immune Response to Viruses at the Atomic Level

A team of biochemists has identified the molecular mechanism by which an immune response is triggered by invading viruses. ...More

July 15, 2010

Posted in News

Scientists Discover Clues to Inflammatory Disease

Immune system cells called macrophages spring into action to surround and destroy threats such as viruses or cancer cells. But sometimes the would-be protective response leads to persistent inflammation, which, in turn, can cause disease. ...More

July 15, 2010

Posted in News

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