From: Distinct gene expression profiles of human type 1 and type 2 T helper cells
 |  | Oligonucleotide | Real-time RT-PCR |  |  |  |  |  |  |
---|---|---|---|---|---|---|---|---|---|
 |  | array |  |  |  |  |  |  |  |
Preference | Gene | Fold difference | Fold difference | Â | SD | Â | SD | Fold | Statistical |
 |  |  |  | deltaCT (Th1) |  | deltaCT (Th2) |  |  |  |
 |  | by microarray†| by real-time | (average of |  | (average of |  | difference†| significance§ |
 |  | (individual 1)‡ | RT-PCR†| individuals |  | individuals |  | (average of |  |
 |  |  | (individual 1)‡ | 1,2,3) |  | 1,2,3) |  | individuals 1,2,3) |  |
Th1 >Th2 | GM-CSF | 4.1 | 3.6 | 6.73 | 0.80 | 8.86 | 0.83 | 4.4 | ** |
 | TNF-α | 12.3 | 6.2 | 2.91 | 0.28 | 4.40 | 0.92 | 2.8 | ** |
 | RANTES | 3.1 | 4.0 | 1.23 | 0.72 | 3.88 | 0.71 | 6.3 | ** |
 | CCR1 | 5.1 | 122.0 | 7.18 | 0.85 | 12.73 | 1.95 | 46.7 | ** |
 | CCR2 | 8.9 | 30.7 | 7.57 | 0.55 | 10.95 | 2.10 | 10.4 | ** |
 | CCR5 | 1.9 | 109.0 | 10.64 | 0.46 | 15.08 | 1.92 | 21.7 | ** |
 | IκB | 1.7 | 1.4 | 1.76 | 0.65 | 2.92 | 0.55 | 2.2 | ** |
 | TIMP-1 | 6.6 | 1.2 | 3.39 | 0.48 | 3.48 | 0.80 | 1.1 | n.s. |
 | Caspase-1 | 2.9 | 1.9 | 8.08 | 0.72 | 8.87 | 0.75 | 1.7 | ** |
 | Clusterin | 2.4 | 1.4 | 3.50 | 0.60 | 4.02 | 0.12 | 1.4 | ** |
Th2 >Th1 | IL-4R | 7.0 | 2.3 | 7.90 | 0.48 | 6.31 | 1.01 | 3.0 | n.s. |
 | FGFR | 3.8 | 1.9 | 10.10 | 0.53 | 9.35 | 0.18 | 1.7 | ** |
 | CCR4 | 3.1 | 3.2 | 7.37 | 0.47 | 5.23 | 0.18 | 4.3 | ** |
 | STAT4 | 1.8 | 1.7 | 7.07 | 0.43 | 6.06 | 0.55 | 2.0 | ** |