TNF and Alzheimer disease: In contrast, the AD group that received fluoxetine, wheatgrass, or their combination showed a significant decrease in the hepatic IL-6 levels by 31.5, 40.9, and 53.2%, TNF-α levels by 18.6, 30.8, and 47.8%, NF-κB levels by 37.9, 52.9, 76.12%, and caspase-3 activity by 26.4, 44.9, and 46.2%, respectively, when compared to the AD group.