CircITSN2-miR-17-5p/20a-5p/20b-5p-PD-L1 regulatory network is a potential molecular mechanism of PD-L1 gene involving in immune response to IBDV. - Jiang, Yi; Tian, Yufei; Han, Jianwei; Wang, Xiangnan; Zhang, Rui; Xu, Xinxin; Ma, Xiaoli; Zhang, Wei; Man, Chaolai (Avian Pathology, 2025)