TUMOR MARKER, METHYLATION TESTING REAGENT, KIT AND APPLICATION THEREOF

摘要

The present invention relates to the technical field of biology. Disclosed are a tumor marker, a methylation testing reagent, a kit and an application thereof. Disclosed in the present invention is that: a colorectal cancer specimen can be distinguished from a stool specimen of a normal person by testing a methylation level of a COL4A1 gene promoter region. The present invention relates to detecting colorectal cancer by using the methylation testing reagent of the gene.