Infection Control Today - Immune Response

Researchers Find Wide Gap in Immune Responses of People Exposed to Flu Virus

Why do some individuals who take every precaution still get the flu, while others never even get the sniffles? It comes down to a person's immune system response to the flu virus, says Alfred Hero, professor at the University of Michigan College of Engineering. In one of ...More

August 26, 2011

Posted in News, Infections & Pathogens

Strengthening Fragile Immune Memories to Fight Chronic Infections

After recovering from the flu or another acute infection, your immune system is ready to react quickly if you run into the same virus again. White blood cells called memory T cells develop during the infection and help the immune system remember the virus and attack it if ...More

August 18, 2011

Posted in News, Infections & Pathogens

Researchers Study How Excess Alcohol Depresses Immune Function

Alcoholism suppresses the immune system, resulting in a high risk of serious, and even life-threatening infections. A new study shows that this effect stems largely from alcohol's toxicity to immune system cells called dendritic cells. These cells play a critical role in ...More

August 15, 2011

Posted in News

'Good' Prion-Like Proteins Boost Immune Response

A person's ability to battle viruses at the cellular level remarkably resembles the way deadly infectious agents called prions misfold and cluster native proteins to cause disease, UT Southwestern Medical Center researchers report. This study marks the first discovery of ...More

August 8, 2011

Posted in News, Infections & Pathogens

Protein Unmasks Pathogenic Fungi to Activate Immune Response

The first step in defending against a hostile attack is identifying the enemy. It’s how a healthy immune system mounts a response to invading pathogens. In the case of certain fungi, however, the attacking cells may be so cleverly disguised that they’re able to slip past ...More

August 8, 2011

Posted in News, Infections & Pathogens

Researchers Describe Key Molecule That Keeps Immune Cell Development on Track

In the latest issue of Nature, researchers at the Perelman School of Medicine at the University of Pennsylvania clarify the role of two proteins key to T-cell development. They found that one well-known protein called Notch passes off much of its role during T-cell ...More

August 8, 2011

Posted in News, Infections & Pathogens

Quick Test Can Predict Immune Responses to Flu Shots

Researchers at the Emory Vaccine Center have developed a method for predicting whether someone will produce high levels of antibodies against a flu shot a few days after vaccination. After scanning the extent to which carefully selected genes are turned on in white blood ...More

July 11, 2011

Posted in News, Infections & Pathogens

Resistant Mice Provide Clues About Successful Immune Response to Retroviruses

Although our body's defense mechanisms are usually capable of detecting and destroying many types of pathogens, some viruses are able to evade the immune system and make us sick. In particular, "retroviruses," such as human immunodeficiency virus (HIV), are notorious for ...More

July 1, 2011

Posted in News, Infections & Pathogens

Novel Complex Senses Viral Infection

Double-stranded (ds) RNA viruses are a diverse group of viruses that include rotaviruses, a common cause of gastroenteritis. The ability of the immune system to detect and destroy viruses is critical for human health and survival. Now, a study published by Cell Press in the ...More

June 23, 2011

Posted in News

Study Reveals How the Immune System Responds to Hepatitis A Virus

A surprising finding in a study comparing hepatitis C virus (HCV) with hepatitis A virus (HAV) infections in chimpanzees by a team that includes scientists from the Texas Biomedical Research Institute sheds new light on the nature of the body’s immune response to these ...More

June 20, 2011

Posted in News

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