Title : Role of nitric oxide in effects of tumor necrosis factor-alpha on microcirculation in rat.

Pub. Date : 1993 Dec

PMID : 8125855






3 Functional Relationships(s)
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1 Almost complete inhibition of the acute vasodilatory effect of rTNF-alpha was found when both NO and prostaglandin synthesis were blocked by simultaneous administration of L-NNA and mefanamic acid. Prostaglandins tumor necrosis factor Rattus norvegicus
2 We conclude that 1) the direct acute vasodilatory effect of rTNF-alpha on the microcirculation is mediated by both prostaglandins and NO, 2) long exposure to rTNF-alpha diminishes the response of the arterioles to NE but not to KCl, and 3) this effect is mediated by NO. Prostaglandins tumor necrosis factor Rattus norvegicus
3 We conclude that 1) the direct acute vasodilatory effect of rTNF-alpha on the microcirculation is mediated by both prostaglandins and NO, 2) long exposure to rTNF-alpha diminishes the response of the arterioles to NE but not to KCl, and 3) this effect is mediated by NO. Prostaglandins tumor necrosis factor Rattus norvegicus