x1 = GP
x2 = pGP
x3 = mRNA
x4 = PEPCK
x5 = IRS
x6 = p1IRS
x7 = p2IRS
x8 = p1p2IRS
x9 = Akt
x10 = pAkt
x11 = mTOR
x12 = pmTOR
x13 = Foxo
x14 = pFoxo
x15 = PYRout
x16 = GLCex
x17 = F16P
x18 = PYRin
x19 = LAC
x20 = OAA
x21 = GLY
x22 = G1P
x23 = G6P