SAM, SAH, SAM/SAH ratio, and DNA hypomethylation in brain
Genotype and diet . | SAM, nmol/g . | SAH, nmol/g . | SAM/SAH . | Global DNA hypomethylation, dpm/0.5μg DNA . |
---|---|---|---|---|
Mthfr+/+ | ||||
Control | 13.0 ± 0.5 (23) | 1.70 ± 0.16 (23) | 8.73 ± 0.64 (23) | 1537 ± 267 (7) |
HM | 16.2 ± 1.9 (19)* | 2.86 ± 0.28 (19)* | 6.56 ± 0.84 (19)* | 2037 ± 520 (7) |
LF | 12.0 ± 0.8 (8) | 3.68 ± 0.32 (8)* | 3.44 ± 0.35 (8)* | 1524 ± 226 (6) |
HM/LF | 13.4 ± 1.0 (8) | 3.04 ± 0.28 (8)* | 4.58 ± 0.41 (8)* | 2663 ± 951 (4) |
Mthfr+/- | ||||
Control | 14.1 ± 0.9 (22) | 2.41 ± 0.22 (22)† | 6.56 ± 0.45 (22)† | 1843 ± 306 (8) |
HM | 14.5 ± 0.9 (19) | 2.47 ± 0.19 (19) | 6.50 ± 0.70 (19) | 3571 ± 908 (4)† |
LF | 12.0 ± 0.7 (7) | 3.59 ± 0.29 (7)* | 3.51 ± 0.31 (7)* | 2599 ± 350 (6) |
HM/LF | 13.1 ± 1.1 (8) | 3.70 ± 0.36 (8)* | 3.73 ± 0.38 (8)* | 2358 ± 449 (8) |
Genotype and diet . | SAM, nmol/g . | SAH, nmol/g . | SAM/SAH . | Global DNA hypomethylation, dpm/0.5μg DNA . |
---|---|---|---|---|
Mthfr+/+ | ||||
Control | 13.0 ± 0.5 (23) | 1.70 ± 0.16 (23) | 8.73 ± 0.64 (23) | 1537 ± 267 (7) |
HM | 16.2 ± 1.9 (19)* | 2.86 ± 0.28 (19)* | 6.56 ± 0.84 (19)* | 2037 ± 520 (7) |
LF | 12.0 ± 0.8 (8) | 3.68 ± 0.32 (8)* | 3.44 ± 0.35 (8)* | 1524 ± 226 (6) |
HM/LF | 13.4 ± 1.0 (8) | 3.04 ± 0.28 (8)* | 4.58 ± 0.41 (8)* | 2663 ± 951 (4) |
Mthfr+/- | ||||
Control | 14.1 ± 0.9 (22) | 2.41 ± 0.22 (22)† | 6.56 ± 0.45 (22)† | 1843 ± 306 (8) |
HM | 14.5 ± 0.9 (19) | 2.47 ± 0.19 (19) | 6.50 ± 0.70 (19) | 3571 ± 908 (4)† |
LF | 12.0 ± 0.7 (7) | 3.59 ± 0.29 (7)* | 3.51 ± 0.31 (7)* | 2599 ± 350 (6) |
HM/LF | 13.1 ± 1.1 (8) | 3.70 ± 0.36 (8)* | 3.73 ± 0.38 (8)* | 2358 ± 449 (8) |