Figure 6.

(a) Cells from different genotypes for c-Jun, (WT, c-jun^−/−, c-jun^−/+) were transfected by lipofectamine with 0.5 μg of (−453/−80) HIVLUC and the indicated amounts of the JNK expression vector. Luciferase activity was determined as in Figure 4. (b) WT cells were transfected with lipofectamine with 0.5 μg of (−453/−80) HIVLUC per well and expression vectors encoding MEKK6 (0.5 μg). And the indicated amounts of a p38α expression vector. Luciferase activity was determined as in Figure 4. Data shown in this figure represent the mean of a single experiment performed in triplicate ±SD and are representative of at least three experiments with similar results.