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.
Fed
5 h-Fasted
pControl
pGK
pGKA456V
pControl
pGK
pGKA456V
Glc (μmol/g liver)
40.70 ± 5.921
32.72 ± 1.475
47.68 ± 7.328
52.29 ± 9.524
32.23 ± 12.18
6.35 ± 4.043*
G6P (μmol/g liver)
0.16 ± 0.021
0.14 ± 0.018
0.15 ± 0.021
0.06 ± 0.024
0.20 ± 0.068§
0.04 ± 0.017
F2,6BP (nmol/g liver)
1.19 ± 0.215
2.84 ± 0.625*
1.90 ± 0.517
0.71 ± 0.173
9.86 ± 1.812§
4.14 ± 1.607
Lactate (μmol/g liver)
1.31 ± 0.275
1.78 ± 0.424
2.27 ± 0.951
1.16 ± 0.239
1.28 ± 0.322
1.32 ± 0.222
TAG (mg/g liver)
6.25 ± 0.26
6.08 ± 0.36
6.26 ± 0.17
9.18 ± 1.48
12.56 ± 0.50
11.84 ± 2.13
GSH/GSSG ratio
11.73 ± 0.87
11.81 ± 0.93
11.37 ± 0.87
5.372 ± 0.49
9.479 ± 1.38
9.926 ± 1.84*
Data are means ± SE. (–12). * versus its pControl, § versus fast pControl and fast pGKA456V.