A new study from the Goulding lab describes a novel pathway by which itch information is transmitted from the spinal cord to the brainstem:
Ren, X., Liu, S., Virlogeux, A., Kang, S.J., Brusch, J., Liu, Y., Dymecki, S.M., Han, S., Goulding, M., and Acton, D. (2023). Identification of an essential spinoparabrachial pathway for mechanical itch. Neuron. 10.1016/J.NEURON.2023.03.013.