Killer T cells show their kinder side

Killer T cells show their kinder side

Killer T cells show their kinder side, Published online: 26 March 2018; doi:10.1038/d41586-018-03510-z

The immune system protects the body by responding to invading organisms. But how is an attack on useful resident microbes prevented? A pathway has now been identified that allows immune cells to sense and respond to beneficial bacteria.

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