Cyclic di-AMP alleviates periodontitis by activating PI3K/Akt/Nrf2 pathways - Luo, Kaihua; Wu, Qinrui; Li, Zhengyi; Wu, Yajie; Su, Zhifei; Zhou, Fangjie; Li, Qinyang; Ren, Biao; Li, Yuqing; Li, Jiyao; Peng, Xian (Frontiers in Cellular and Infection Microbiology, 2025)