Medical research

The molecular underpinnings of T cell exhaustion

One reason we survive into adulthood is that cell-killing T cells usually recognize and eliminate cancerous or pathogen-infected cells. But prolonged overactivity of immune cells summoned to a tumor or infection site can ...

Immunology

Research maps link between air pollution and obesity

Amie Lund, a cardiovascular toxicology researcher with the University of North Texas, has found that exposure to certain air pollutants may cause weight gain, especially when coupled with a high-fat diet.

Medical research

Researchers home in on what's wearing out T cells

Sometimes even cells get tired. When the T cells of your immune system are forced to deal over time with cancer or a chronic infection such as HIV or hepatitis C, they can develop 'T cell exhaustion,' becoming less effective ...

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