cGAS bends unpaired DNA to form an unconventional structure that hyperactivates the innate immune response
Shuangshuang Yang, Shuai Wu, Silian Chen, Xin Li, Iryna Chelepis, Smaranda Willcox, Katherine Camille Barnett, Xiaoqing Hu, Guannan Huang, W. June Brickey, Joseph A. Duncan, Wei-Chun Chou, Pengda Liu, William G. Fusco, Stephanie Torres, , Jenny P.‐Y. Ting
The paper shows that cGAS hyperactivates in response to unpaired DNA (Bu-DNA) by bending it into a V-shape, revealing a new activation mechanism.
bioRxiv · May 25, 2026 · PreprintImmunology