Table 2

The five most significant CpGs (white rows) and the five CpGs with the largest effect size (grey rows) from the linear mixed model: DNA methylation in blood samples from children born to mothers with RA (FEPRA study) compared with children born to mothers from the general population (Generation R Study)

CpGBeta*SEP valueNearest gene (±bp)ChrbpLocation†
cg066421770.0280.0021.32×10−24 SLC2A12 (−122 529)6134 496 341
cg088678930.0180.0027.66×10−24 ZNF365 (+221)1064 134 160
cg067782730.0240.0023.77×10−23 TNFRSF18 (+4995)11 137 117
cg077866680.0260.0027.11×10−23 ZFHX3 (−10 142)1673 092 391
cg201165740.0190.0025.91×10−19 NCOA5 (+435)2044 718 168Promoter
cg16930947−0.0500.0083.22×10−11 888 984 447
cg01485645−0.0440.0061.64×10−13 MLLT6 (+303)1736 862 199Promoter
cg12360123−0.0430.0081.61×10−08 1079 984 532Enhancer
cg066569940.0380.0059.67×10−13 FAM163A (+903)1179 713 176Enhancer
cg17483482−0.0370.0064.62×10−10 1117 152 162
  • *Beta represents the difference in DNA methylation at the given CpG site in children born to mothers with RA (FEPRA study) as compared with children born to mothers from the general population (Generation R Study).

  • †Location in promoter, enhancer or unknown (–).

  • bp, base pair; Chr, chromosome; CpG, cytosine-phosphate-guanine; FEPRA, FEtal Programming in Rheumatoid Arthritis; RA, rheumatoid arthritis.