x1 = Ifng
x2 = II
x3 = d1
x4 = d2
x5 = d3
x6 = d4
x7 = Stat1Pd
x8 = Stat1Pdn
x9 = i1
x10 = i2
x11 = i3
x12 = i4
x13 = j1
x14 = j2
x15 = j3
x16 = j4
x17 = Ir
x18 = Stat1U
x19 = Stat1Un
x20 = mRNA
x21 = Stat1ex
x22 = Stat1cex
x23 = Stat1nex
x24 = Stat1Pex
x25 = Stat1Pcex
x26 = Stat1Pnex
x27 = Socs1ex
x28 = RSNCex