TNF and osteoporosis: Correlation of metabolic eventsassociated with osteoporosis showed that at 90 min., when TNFα receptorbinding was reduced by the agents, calcium uptake into UMR-106 cells wasreduced at 10 μM as well as the acid and alkaline phosphatases, and theprostaglandin cyclo-oxygenase activities and adhesion of leukocytes andmacrophages to UMR-106 cell monolayers.