TABLE 3.
Hepatic gene expression in Ldlr−/− mice fed the NP, WD + OO, WD + EPA, WD + DHA, and WD + EPA + DHA diets for 16 wk and effects on mRNA abundance of enzymes involved in fatty acid synthesis and TG hydrolysis1
| Fatty acid synthesis | NP | WD + OO | WD + EPA | WD + DHA | WD + EPA + DHA |
| fold of NP | |||||
| Fasn | 1.0 ± 0.4a | 0.6 ± 0.2a,b | 0.4 ± 0.1b,c | 0.2 ± 0.1c | 0.4 ± 0.1b,c |
| Elovl1 | 1.0 ± 0.2c | 2.0 ± 0.4a | 1.8 ± 0.2a,b | 1.1 ± 0.2c | 1.5 ± 0.3b |
| Elovl2 | 1.0 ± 0.4c,d | 1.5 ± 0.4a | 1.2 ± 0.3a,b | 0.6 ± 0.2d | 0.9 ± 0.2b,c |
| Elovl3 | 1.0 ± 0.3a | 0.2 ± 0.1b | 0.3 ± 0.1b | 0.3 ± 0.1b | 0.3 ± 0.1b |
| Elovl5 | 1.0 ± 0.3c | 2.1 ± 0.6a,b | 1.8 ± 0.4a,b | 1.0 ± 0.4c | 1.6 ± 0.5b,c |
| Elovl6 | 1.0 ± 0.2b,c | 1.5 ± 0.4a | 1.4 ± 0.2a,b | 1.0 ± 0.4c | 1.3 ± 0.3a,b,c |
| Elovl7 | 1.0 ± 0.2b | 5.5 ± 2.2a | 2.3 ± 1.6b | 2.1 ± 0.9b | 2.4 ± 0.9b |
| Fads1 | 1.0 ± 0.3a,b | 1.1 ± 0.4a | 0.7 ± 0.2b,c | 0.2 ± 0.2d | 0.4 ± 0.2c,d |
| Fads2 | 1.0 ± 0.2b,c | 2.0 ± 0.6a | 1.5 ± 0.2b | 0.8 ± 0.4c | 1.2 ± 0.2b,c |
| Scd1 | 1.0 ± 0.7c | 6.0 ± 2.6a | 6.1 ± 2.6a | 2.4 ± 1.5b,c | 4.1 ± 1.5a,b |
| TG hydrolysis | |||||
| Atgl | 1.0 ± 0.3 | 1.2 ± 0.3 | 1.2 ± 0.1 | 1.0 ± 0.3 | 1.3 ± 0.2 |
| Tgh | 1.0 ± 0.3b | 0.9 ± 0.4b | 1.2 ± 0.2a,b | 1.2 ± 0.5a,b | 1.5 ± 0.3a |
| Aadac | 1.0 ± 0.2 | 0.9 ± 0.3 | 0.9 ± 0.1 | 0.8 ± 0.3 | 0.9 ± 0.2 |
| Adrp | 1.0 ± 0.4 | 1.5 ± 0.3 | 1.4 ± 0.3 | 1.2 ± 0.4 | 1.3 ± 0.5 |
| Adpn | 1.0 ± 0.3b | 2.1 ± 0.9a | 1.3 ± 0.2b | 0.9 ± 0.2b | 1.4 ± 0.5b |
Values are mean ± SD, = 8/treatment group. Labeled means in a row with superscripts without a common letter differ, P ≤ 0.05. NP, nonpurified diet; WD + DHA, Western diet supplemented with DHA; WD + EPA, Western diet supplemented with EPA; WD + EPA + DHA, Western diet supplemented with EPA and DHA; WD + OO, Western diet supplemented with olive oil.