Con-clusion: Selenium and CGRP positive cells might be involved in the prevention and inhibition ofthe formation of aneuploid cells in the glandular stomach mucosa induced by MNNG gavage.

• 结论：硒和CGRP阳性细胞可能参与了预防和抑制MNNG所致胃粘膜细胞异倍体的形成。