Title : Tumor necrosis factor reduces cAMP production in rat microglia.

Pub. Date : 2004 Nov 15

PMID : 15390118






6 Functional Relationships(s)
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1 Pre-treatment of microglia with TNF reduced in a dose- and time-dependent manner cAMP accumulation induced by forskolin (FSK), in the presence of the phosphodiesterase inhibitor 3-isobutyl-1-methyl-xanthine (IBMX). Colforsin tumor necrosis factor-like Rattus norvegicus
2 Pre-treatment of microglia with TNF reduced in a dose- and time-dependent manner cAMP accumulation induced by forskolin (FSK), in the presence of the phosphodiesterase inhibitor 3-isobutyl-1-methyl-xanthine (IBMX). Colforsin tumor necrosis factor-like Rattus norvegicus
3 The target of TNF appeared to be adenylyl cyclase, whose ability to synthesize cAMP was markedly reduced (up to 50%) in membranes prepared from TNF-treated microglial cells, both in basal conditions and after stimulation with FSK. Colforsin tumor necrosis factor-like Rattus norvegicus
4 The target of TNF appeared to be adenylyl cyclase, whose ability to synthesize cAMP was markedly reduced (up to 50%) in membranes prepared from TNF-treated microglial cells, both in basal conditions and after stimulation with FSK. Colforsin tumor necrosis factor-like Rattus norvegicus
5 The same inhibitors also markedly prevented the reduction of FSK-evoked cAMP accumulation by TNF, suggesting the involvement of NFkappaB in the regulation of adenylyl cyclase by TNF in microglia. Colforsin tumor necrosis factor-like Rattus norvegicus
6 The same inhibitors also markedly prevented the reduction of FSK-evoked cAMP accumulation by TNF, suggesting the involvement of NFkappaB in the regulation of adenylyl cyclase by TNF in microglia. Colforsin tumor necrosis factor-like Rattus norvegicus