In normal expression levels, the gene prevents tumorgenesis and colorectal cancer when exposed to carcinogens; however, when Cdx2 was not well expressed, carcinogens caused tumor development.
Nos niveis normais de expresión, este xene impide a tumoroxénese e o cancro colorrectal cando se expón a carcinóxenos; porén, cando Cdx2 non se expresaba ben, os carcinóxenos causaban o desenvolvemento do tumor.