Fig. 4From: Transient receptor potential ankyrin 1 promoter methylation and peripheral pain sensitivity in Crohn’s diseaseAge-related alterations in CpG − 628 methylation rate and pressure pain threshold. a In healthy participants, CpG − 628 methylation rate declines with increasing age. In contrast, it increases in Crohn patients. b PPT rises with increasing age in both cohortsBack to article page