x1 = NaiveCD4
x2 = nTreg
x3 = Tfh
x4 = Tfr
x5 = Bcl6
x6 = Blimp1
x7 = FoxP3
x8 = STAT3
x9 = STAT5
x10 = IL2
x11 = IL4
x12 = IL6
x13 = IL10
x14 = IL21
x15 = CXCR5
x16 = ICOS
x17 = TGFb
x18 = Tgif1
x19 = RXR