Puddu et al. investigate the role of 5-methylcytosine (5mC) and 5-hydroxymethylcytosine (5hmC) as biomarkers for early-stage colorectal cancer (CRC) detection in cell-free DNA (cfDNA). 6-base genome sequencing, using both 5mC and 5hmC biomarkers, increases the detection of stage I CRC.
- Fabio Puddu
- Annelie Johansson
- Robert J. Osborne