Research Article

CD26-Related Serum Biomarkers: sCD26 Protein, DPP4 Activity, and Anti-CD26 Isotype Levels in a Colorectal Cancer-Screening Context

Figure 1

Levels of DPP4 activity, sCD26 protein, and anti-CD26 IgA, IgG, and IgM according to the colonoscopy findings in men and women. Legend: NCF: no colorectal findings; BP: benign pathology; HP: hyperplasic polyp; TA: tubular adenomas; TV/V: tubulovillous/villous adenomas; CRC: colorectal cancer. Black line represents the mean measurement in the entire cohort; red dashed lines represent the standard deviation.