Cytokine Levels in the Serum of Healthy Subjects

Table 2

Cytokines and chemokines not detected in any group, either because they are under the lower limit of detection (LLOD, pg/mL) or because they are not produced, and LLOD.

Cytokine	LLOD
IL-1β	3.2
IL-5	3.1
IL-15	2.1
IL-1α	1.4
IL-3	12
IL-12(p40)	41
IFN-α2	307
LIF	12
MCP-3	79
β-NGF	1
TNF-β	1.5