Method: After subcultured in vitro, some chondrocytes were still cultured in monolayer and others cultured on BMG to reestablish cartilage tissue model.

• 传代后，部分细胞种植于自体骨基质明胶上再建软骨组织模型，部分细胞仍采用单层培养方式，采用配伍组设计，加入不同浓度的KBD可疑致病因子DON毒素和保护因子硒。