Immunology

Estrogen worsens allergic reactions in mice

Estradiol, a type of estrogen, enhances the levels and activity in mice of an enzyme that drives life-threatening allergic reactions, according to researchers from the National Institute of Allergy and Infectious Diseases ...

Immunology

Multiple allergic reactions traced to single protein

Johns Hopkins and University of Alberta researchers have identified a single protein as the root of painful and dangerous allergic reactions to a range of medications and other substances. If a new drug can be found that ...

Immunology

Invading worms cause the body to shut down defenses

When parasitic worms invade muscle tissue, white blood cells called eosinophils rush to the scene. A study published in the Journal of Immunology this month reveals that these cells actually start a chain reaction that stops ...

Immunology

Skin exposure may contribute to early risk for food allergies

Many children may become allergic to peanuts before they first eat them, and skin exposure may be contribute to early sensitization, according to a study in mice led by Mount Sinai researchers and published today in the Journal ...

Inflammatory disorders

Overweight causes hazardous inflammations

Researchers have found a possible molecular explanation for why overweight is harmful. This new knowledge may provide new drugs for heart attack, stroke, cancer and chronic intestinal inflammation.

Medical research

New infections cause dormant viruses to reactivate

The famous slogan is "A diamond is forever," but that phrase might be better suited to herpes: Unlike most viruses, which succumb to the immune system's attack, herpes remains in the body forever, lying in wait, sometimes ...

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