Table 8.
Effects of arginine and its metabolites (NO and polyamine) on cytokine secretion
| Item | 0.4mM Arg | 0.4mM Arg + 3mM L-NMMA |
0.4mM Arg + 3mM L-NMMA + 0.5mM SNP |
0.4mM Arg + 5mM DFMO |
0.4mM Arg + 5mM DFMO + 10 µM Putrescine |
|
|---|---|---|---|---|---|---|
| d 2 | ||||||
| EGF(ng/ml) | 2.35 ± 0.20a | 0.98 ± 0.03b | 2.64 ± 0.12a | 1.14 ± 0.21b | 1.73 ± 0.07a | |
| IGF-1(ng/ml) | 191.0 ± 9.93a | 54.94 ± 3.01b | 171.43 ± 8.46a | 87.10 ± 6.62b | 158.80 ± 9.89a | |
| d 4 | ||||||
| EGF(ng/ml) | 2.73 ± 0.08a | 1.29 ± 0.18b | 2.89 ± 0.18a | 1.15 ± 0.11b | 1.80 ± 0.12a | |
| IGF-1(ng/ml) | 198.±11.17a | 80.38 ± 5.02b | 149.33 ± 6.27a | 99.58 ± 4.58b | 147.19 ± 8.09a |
SEM, standard error of the mean (n = 4). a, b means within a row with different superscripts indicate significant differences (P < 0.05)