Table 1.
Substrate | Product | Healthy n = 8 | EAE n = 8 | p-Value |
---|---|---|---|---|
Plasma | ||||
Methylglyoxal (MGO) (nmol/L) | 3268 ± 378 | 2160 ± 230 | 0.03 | |
Glyoxal (GO) (nmol/L) | 1414 ± 51 | 1205 ± 70 | 0.03 | |
3-deoxyglucosone (3DG) (nmol/L) | 2051 ± 123 | 1611 ± 152 | 0.04 | |
Protein bound Nε-(carboxymethyl)lysine (CML) (nmol/mmol Lysine) | 25.6 ± 1 | 25.2 ± 1 | 0.83 | |
Protein bound Nε-(1-carboxyethyl)lysine (CEL) (nmol/mmol Lysine) | 9.1 ± 0.7 | 8.4 ± 1 | 0.60 | |
Protein bound Nδ-(5-hydro-5-methyl-4-imidazolon-2-yl)-ornithine (MG-H1) (nmol/mmol Lysine) | 276.5 ± 19 | 285.6 ± 17 | 0.73 | |
Free CML (nmol/L) | 315.4 ± 17 | 283.6 ± 15 | 0.18 | |
Free CEL (nmol/L) | 98.1 ± 7 | 99.9 ± 9 | 0.88 | |
Free MG-H1 (nmol/L) | 59.6 ± 6 | 91.5 ± 6 | 0.002 | |
Spinal cord | ||||
MGO (nmol/L) | 1980 ± 169 | 3143 ± 419 | 0.02 | |
GO (nmol/L) | 1706 ± 250 | 2258 ± 165 | 0.09 | |
Protein bound CML (nmol/mmol Lysine) | 297.5 ± 116 | 187.2 ± 16 | 0.36 | |
Protein bound CEL (nmol/mmol Lysine) | 65.1 ± 16 | 37.4 ± 2 | 0.11 | |
Protein bound MG-H1 (nmol/mmol Lysine) | 159.4 ± 10 | 165.3 ± 14 | 0.73 | |
Free CML (nmol/L) | 61 ± 2 | 98.18 ± 8 | 0.0005 | |
Free CEL (nmol/L) | 14.6 ± 0.4 | 18.1 ± 1 | 0.01 | |
Free MG-H1 (nmol/L) | 3.4 ± 0.07 | 5.5 ± 0.8 | 0.01 | |
Glo-1 activity (nmol/mg/min) | 262.5 ± 9 | 198.9 ± 14 | 0.002 | |
Brain | ||||
MGO (nmol/L) | 1222 ± 162 | 2302 ± 299 | 0.01 | |
GO (nmol/L) | 1833 ± 169 | 2250 ± 89 | 0.05 | |
Protein bound CML (nmol/mmol Lysine) | 91.5 ± 5 | 98.7 ± 6 | 0.36 | |
Protein bound CEL (nmol/mmol Lysine) | 42.6 ± 2 | 43.7 ± 3 | 0.77 | |
Protein bound MG-H1 (nmol/mmol Lysine) | 129.5 ± 16 | 139.4 ± 19 | 0.70 | |
Free CML (nmol/L) | 55.6 ± 2 | 73.9 ± 3 | <0.0001 | |
Free CEL (nmol/L) | 24.6 ± 0.8 | 25.3 ± 1 | 0.69 | |
Free MG-H1 (nmol/L) | 3.5 ± 0.2 | 4.0 ± 0.3 | 0.19 | |
Glo-1 activity (nmol/mg/min) | 147.9 ± 5 | 161.4 ± 3 | 0.04 |
Data presented as mean ± standard error of mean (SEM) and analyzed using unpaired t-test.