A new ion channel that plays a vital role in touch perception discovered

Every hug, every handshake, every dexterous act engages and requires touch perception. Therefore, it is essential to understand the molecular basis of touch. “Until now, we had known that the ion channel—Piezo2—is required for touch perception, but it was clear that this protein alone cannot explain the entirety of touch sensation,” says Professor Gary Lewin, head of the Molecular Physiology of Somatic Sensation Lab at the Max Delbrück Center.

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