Animals
Male DBA/1J mice (6-8 weeks old) were purchased from Gempharmatech Co., Ltd [Changzhou, China; Animal license number: SCXK (Su) 2016-0010], and male C57BL/6 mice were obtained from Beijing Vital River Laboratory Animal Technology Co., Ltd [Beijing, China; Animal license number: SCXK (Jing) 2016-0006]. Mice were kept in specific-pathogen-free conditions. All mice experiments were approved by the Animal Ethics Committee of Nanjing University of Chinese Medicine (No. 201901A022; No. 202005A022).