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.jpg): Failed to open stream: No such file or directory in C:\Inetpub\vhosts\kidney.de\httpdocs\pget.php on line 117 Nat+Commun
2016 ; 7
(ä): 11624
Nephropedia Template TP
Kobayashi EH
; Suzuki T
; Funayama R
; Nagashima T
; Hayashi M
; Sekine H
; Tanaka N
; Moriguchi T
; Motohashi H
; Nakayama K
; Yamamoto M
Nat Commun
2016[May]; 7
(ä): 11624
PMID27211851
show ga
Nrf2 (NF-E2-related factor-2) transcription factor regulates oxidative/xenobiotic
stress response and also represses inflammation. However, the mechanisms how Nrf2
alleviates inflammation are still unclear. Here, we demonstrate that Nrf2
interferes with lipopolysaccharide-induced transcriptional upregulation of
proinflammatory cytokines, including IL-6 and IL-1?. Chromatin
immunoprecipitation (ChIP)-seq and ChIP-qPCR analyses revealed that Nrf2 binds to
the proximity of these genes in macrophages and inhibits RNA Pol II recruitment.
Further, we found that Nrf2-mediated inhibition is independent of the
Nrf2-binding motif and reactive oxygen species level. Murine inflammatory models
further demonstrated that Nrf2 interferes with IL6 induction and inflammatory
phenotypes in vivo. Thus, contrary to the widely accepted view that Nrf2
suppresses inflammation through redox control, we demonstrate here that Nrf2
opposes transcriptional upregulation of proinflammatory cytokine genes. This
study identifies Nrf2 as the upstream regulator of cytokine production and
establishes a molecular basis for an Nrf2-mediated anti-inflammation approach.