The tongue-brain axis mediates a hidden amino acid appetite
Shangming Wu, Yeting Gan, Min Tang, Shanghai Chen, Peixiang Luo, Kexin Tong, Kan Liu, Haizhou Jiang, Xiaoxue Jiang, Fei Xiao, Wei Lv, Feixiang Yuan, Feifan Guo
The paper identifies a tongue-AgRP-PVT circuit that mediates essential amino acid appetite in mice following deficiency.
bioRxiv · Apr 21, 2026 · PreprintNeuroscience