A tunnel microtract organ for T cell progenitor homing is formed by neural crest morphogenesis via Sox10-Cdc42 axis
Fangying Zhao, Jiangyong He, Liqing Xiao, Hang Chen, Zhifan Li, Yafang Lu, Li Duan, Junlong Zhao, Gengrong Chen, Xiaobei Huang, Lingfei Luo, Li Li
The paper identifies a tunnel microtract (TMT) as a neural crest-derived organ essential for T cell progenitor homing, showing Sox10-Cdc42 signaling drives its formation in zebrafish and mice.
bioRxiv · Mar 7, 2026 · PreprintDevelopmental Biology