Figure 4. Defective cytokine responses in IRAK-4-deficient PBMC.
Primary PBMC from the patient and controls were exposed to 100 ng/ml each of LPS, IL-1β, or TNF-α, or unstimulated and incubated at 37°C in 5% CO2 for 24 hr. Supernatants were examined by ELISA, for IL-6 (a) and IL-8 (b). Mean (± SEM) from n≥3 repeats for each stimulus, with n=3 replicates per study. ** p < 0.01, * p<0.05.
