CD4/CD8 alpha/beta Data % Permutation % Fold-difference % due to RNA CD4 alpha 4.3 5.5 1.3 21.6 CD4 beta 0.8 3.7 4.6 78.2 CD8 alpha 4.1 6.3 1.5 34.0 CD8 beta 0.6 5.4 8.5 88.3