Tag Archives: Food Allergy

Could certain gut bacteria protect against food allergy?

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This post was originally published on this siteNew research reinforces the idea that the absence of certain bacteria in the gut can cause food allergy, a condition that affects millions of people. The study also suggests that replenishing key gut bacteria could offer a way to treat food allergy. New research suggests that food allergies, such as an allergy to peanuts, may be due to a lack of beneficial bacteria in the gut. Scientists at Boston Children’s Hospital and Brigham and Women’s Hospital, also in Boston, MA, found that babies and children with food allergies are missing certain species of gut bacteria. When the team gave the missing bacteria to mice, the microbes protected the animals from food allergies. The researchers also mapped the mouse cell and bacteria interactions behind the protective effect. They describe their findings in a recent Nature Medicine paper. Previous … Continue reading →

What to know about dermatitis herpetiformis

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This post was originally published on this siteDermatitis herpetiformis is a skin rash that develops as a result of gluten sensitivity. About 10 percent of people with celiac disease also develop dermatitis herpetiformis. There is no cure for the condition, but people can reduce the symptoms with medicines and lifestyle changes. The National Organization for Rare Disorders (NORD) consider dermatitis herpetiformis, or DH, a rare disease. It appears to affect people aged 30–40 years and rarely affects children. Men are at a slightly higher risk than women. This article will discuss the symptoms, causes, and treatment of DH, and how it relates to celiac disease. Symptoms The symptoms of DH vary for different people, so not everyone may experience all symptoms. Typically, it affects three areas of the body — the skin, the gastrointestinal (GI) tract, and the mouth. The skin The most common … Continue reading →

Healthy babies' gut bacteria prevent common food allergy

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This post was originally published on this siteGut bacteria have a crucial role in protecting against food allergies, according to recent research. Cow’s milk is the most common food allergen among children. When scientists transplanted gut microbes, or microbiota, from healthy human babies into mice with no bacteria of their own, the animals did not have an allergic reaction on exposure to cow’s milk. In contrast, germ-free mice that received gut bacteria from human babies with cow’s milk allergy did experience allergic reactions to cow’s milk. Allergy to cow’s milk is the most common childhood food allergy. The researchers, who report their findings in the journal Nature Medicine, also identified a bacterium that, when present in the gut, prevents allergic responses to food. “This study,” says senior study author Cathryn R. Nagler, Ph.D., a professor in food allergy at the University of Chicago in … Continue reading →