Research Article

Liver GlucokinaseA456V Induces Potent Hypoglycemia without Dyslipidemia through a Paradoxical Induction of the Catalytic Subunit of Glucose-6-Phosphatase

Table 1

Liver metabolites of STZ-diabetic mice transfected with pControl, pGK and pGKA456V.

Fed5 h-Fasted
pControlpGKpGKA456VpControlpGKpGKA456V

Glc (μmol/g liver)40.70 ± 5.92132.72 ± 1.47547.68 ± 7.32852.29 ± 9.52432.23 ± 12.186.35 ± 4.043*
G6P (μmol/g liver)0.16 ± 0.0210.14 ± 0.0180.15 ± 0.0210.06 ± 0.0240.20 ± 0.068§0.04 ± 0.017
F2,6BP (nmol/g liver)1.19 ± 0.2152.84 ± 0.625*1.90 ± 0.5170.71 ± 0.1739.86 ± 1.812§4.14 ± 1.607
Lactate (μmol/g liver)1.31 ± 0.2751.78 ± 0.4242.27 ± 0.9511.16 ± 0.2391.28 ± 0.3221.32 ± 0.222
TAG (mg/g liver)6.25 ± 0.266.08 ± 0.366.26 ± 0.179.18 ± 1.4812.56 ± 0.5011.84 ± 2.13
GSH/GSSG ratio11.73 ± 0.8711.81 ± 0.9311.37 ± 0.875.372 ± 0.499.479 ± 1.389.926 ± 1.84*

Data are means ± SE. ( –12). * versus its pControl, § versus fast pControl and fast pGKA456V.