When a receptor on the surface of a T cell – a sentry of the human immune system – senses a single particle from a harmful intruder, it immediately kicks the cell into action, launching a larger immune response. But exactly how the signal from a single receptor, among thousands on each T cell, can be amplified to affect a whole cell has puzzled immunologists for decades.
from Top Health News – ScienceDaily http://ift.tt/2flrmzq
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