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Fig. 2. Relative abundance of glucokinase (GK) mRNA expression in liver (A),
hypothalamus (B), hindbrain (C) and Brockmann bodies (D) of rainbow trout
sampled 6 h after intracerebroventricular injection into the third ventricle
of 1 µl 100 g–1 body mass of Cortland saline alone
(control, C) or containing D-glucose (GLU, 400 µg
µl–1) or L-(+)-lactate (L400, 400 µg
µl–1). Results are shown as percentages of control values
(control=100%). Relative abundance of RT–PCR products is presented in
arbitrary units as mean ± s.e.m. (N=4) between GK and 18s
expression. Different letters indicate significant differences among treated
groups within each treatment (one-way ANOVA, P<0.05).