| http://www.w3.org/ns/prov#value | - Expression of COX-2 in nasal mucosa is up-regulated by proinflammatory cytokines such as interferon gamma, tumor necrosis factor ??, and interleukin 1??, while this effect is blocked by dexamethasone.9 There is a growing body of work investigating COX-2 expression in sinonasal tissue in patients with nasal polyposis.
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