LL‐37 Inhibits TMPRSS2‐Mediated S2' Site Cleavage and SARS‐CoV‐2 Infection but Not Omicron Variants. - Bi, Zhenfei; Ren, Wenyan; Zeng, Hao; Zhou, Yuanyuan; Liu, Jian; Chen, Zimin; Zhang, Xindan; He, Xuemei; Lu, Guangwen; Wei, Yuquan; Wei, Xiawei (Cell Proliferation, 2025)