Title : TNF alpha reduces tachykinin, PGE2-dependent, relaxation of the cultured mouse trachea by increasing the activity of COX-2.

Pub. Date : 2005 Jan

PMID : 15665861






3 Functional Relationships(s)
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1 TNFalpha attenuated SP- and NKA-induced relaxation in a time- and concentration-dependent manner, decreasing the ability of PGE(2) to relax tissues. Prostaglandins E tumor necrosis factor Mus musculus
2 Further studies indicated that TNFalpha elevated COX-2 activity and that concomitant inhibition of COX-2 reversed TNFalpha-attenuated PGE(2) relaxation. Prostaglandins E tumor necrosis factor Mus musculus
3 Overall, these results show that NK(1) receptor-mediated relaxation induced by PGE(2) is attenuated by prolonged TNFalpha stimulation. Prostaglandins E tumor necrosis factor Mus musculus