Stimulation of the vagus nerve attenuates macrophage activation by activating the Jak2-STAT3 signaling pathway

Wouter J. de Jonge, Esmerij P. van der Zanden, Frans O. The, Maarten F. Bijlsma, David J. van Westerloo, Roelof J. Bennink, Hans-Rudolf Berthoud, Satoshi Uematsu, Shizuo Akira, Rene M. van den Wijngaard, Guy E. Boeckxstaens

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Abstract

Acetylcholine released by efferent vagus nerves inhibits macrophage activation. Here we show that the anti-inflammatory action of nicotinic receptor activation in peritoneal macrophages was associated with activation of the transcription factor STAT3. STAT3 was phosphorylated by the tyrosine kinase Jak2 that was recruited to the alpha 7 subunit of the nicotinic acetylcholine receptor. The anti-inflammatory effect of nicotine required the ability of phosphorylated STAT3 to bind and transactivate its DNA response elements. In a mouse model of intestinal manipulation, stimulation of the vagus nerve ameliorated surgery-induced inflammation and postoperative ileus by activating STAT3 in intestinal macrophages. We conclude that the vagal antiinflammatory pathway acts by alpha 7 subunit-mediated Jak2-STAT3 activation
Original languageEnglish
Pages (from-to)844-851
JournalNature immunology
Volume6
Issue number8
DOIs
Publication statusPublished - 2005

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