Cytokine mRNA expression by FCAS and control monocytes at 37°C and 32°C. Cells were incubated for 4 h or 16 h, cDNA prepared, and cytokine message levels determined by qPCR. A, IL-1β. B, IL-6. C, TNF-α. Means and SEMs; n = 6–7. *P < .05 by paired t test, 37°C versus 32°C.