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Allergy and immunology news

Ticked off: How a bite can turn meat against you

Mammalian meat allergy (MMA) is one of the few known food allergies caused by an environmental trigger—a tick bite. In simple terms, MMA results in an allergic reaction to red meat, making it difficult or sometimes even impossible ...

T cells secrete DNA to boost the immune system's cancer-fighting ability

Activated immune cells secrete tiny capsules bearing DNA that can enter other immune and tumor cells to stimulate the body's defense systems, according to a study led by investigators at Weill Cornell Medicine. The discovery ...

Your nose may be the gateway to a stronger immune system

At the moment, an influenza vaccine called FluMist is the only licensed intranasal vaccine approved for use in humans. The vaccine is administered through a spray of fluid in the nose, rather than with an injection.

Cutting calories to slow aging—without compromising health

Restricting calorie intake in species such as mice, rhesus monkeys, and fruit flies has been shown to extend their lifespans. In some cases, these animals not only live longer, but are also free of disease. But when pushed ...

Older mice may offer new insight into cancer and aging

Cancer risk increases with age and is often more aggressive and difficult to treat in older adults. However, fewer than 10% of mouse studies use aged animals, with most relying on mice roughly equivalent to humans in their ...

Immune cells in the nose slow influenza virus, study finds

A new study from the University of Gothenburg may help guide the development of better influenza vaccines. Memory cells in the nose slow the influenza virus as soon as it enters the body. They reduce viral levels and may ...