Medical research

Nicotine works inside cells to reinforce addiction: study

When a person takes a puff on a cigarette, nicotine floods into the brain, latching onto receptors on the surface of neurons and producing feelings of happiness. But nicotine does not simply stay on the surface of cells—the ...

Medical research

Study reveals new targets to inhibit pulmonary fibrosis

In a study out this week in Science Translational Medicine, an international team led by researchers at Vanderbilt University Medical Center sheds new light on the cause of pulmonary fibrosis and demonstrates a way to impede ...

Immunology

The immune system: T cells are built for speed

Without T cells, we could not survive. They are a key component of the immune system and have highly sensitive receptors on their surface that can detect pathogens. The exact way that these receptors are distributed over ...

Immunology

Breakthrough may explain why cancer immunotherapies can backfire

Research by University of Alberta scientists into PD-1, a cell surface receptor that naturally plays a major role in de-escalating the body's immune system, may explain why it can go haywire and cause autoimmune diseases ...

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