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Ultrasound has been used to non-invasively manipulate neuronal functions in humans and other animals. However, this approach is limited as it has been challenging to target specific cells within the brain or body. Here, we identify human Transient Receptor Potential A1 ( hs TRPA1) as a candidate that confers ultrasound sensitivity to mammalian cells. Ultrasound-evoked gating of  hs TRPA1 specifically requires its N-terminal tip region and cholesterol interactions; and target cells with an intact actin cytoskeleton, revealing elements of the sonogenetic mechanism. Next, we use calcium imaging and electrophysiology to show that  hs TRPA1 potentiates ultrasound-evoked responses in primary neurons. Furthermore, unilateral expression of  hs TRPA1 in mouse layer V motor cortical neurons leads to  c-fos  expression and contralateral limb responses in response to ultrasound delivered through an intact skull. Collectively, we demonstrate that  hs TRPA1-based sonogenetics can effectively manipulate neurons within the intact mammalian brain, a method that could be used across species.

Sonogenetic control of mammalian cells using exogenous Transient Receptor Potential A1 channels