Mice were transcardially perfused with an icecold
saline solution containing sodium heparin (10 U/mL). Livers
were removed, rinsed with ice-cold 150 mmol NaCl/L, blotted, and
weighed. The right lobes were stored in RNALater (Sigma-Aldrich)
for gene expression analysis. The remainder of the liver, muscle
(gastrocnemius), and brain samples were snap-frozen, and all samples
were stored at 280C for further analysis. These tissues were chosen
due to their central role in EPA and DHA biosynthesis (liver), FA
utilization (muscle), and high n–3 PUFA, and in particular DHA,
content (brain).