Secreted levels of TNF-α in monocytes derived from eight biologically independent donors ages 21, 24, 27, 28, 48, 49, 54 or 60. Monocytes were exposed to control media or 2μg/mL UFP. Data is representative of three separate experiments conducted on separate days. Each sample was ran in quadruplicates (n=4 technical replicates). * denotes significance p < 0.05.