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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
2018 ; 9
(1
): 2789
Nephropedia Template TP
gab.com Text
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English Wikipedia
Downregulated NDR1 protein kinase inhibits innate immune response by initiating
an miR146a-STAT1 feedback loop
#MMPMID30018336
Liu Z
; Qin Q
; Wu C
; Li H
; Shou J
; Yang Y
; Gu M
; Ma C
; Lin W
; Zou Y
; Zhang Y
; Ma F
; Sun J
; Wang X
Nat Commun
2018[Jul]; 9
(1
): 2789
PMID30018336
show ga
Interferon (IFN)-stimulated genes (ISGs) play crucial roles in the antiviral
immune response; however, IFNs also induce negative regulators that attenuate the
antiviral response. Here, we show that both viral and bacterial invasion
downregulate Nuclear Dbf2-related kinase 1 (NDR1) expression via the type I IFN
signaling pathway. NDR1 promotes the virus-induced production of type I IFN,
proinflammatory cytokines and ISGs in a kinase-independent manner. NDR1
deficiency also renders mice more susceptible to viral and bacterial infections.
Mechanistically, NDR1 enhances STAT1 translation by directly binding to the
intergenic region of miR146a, thereby inhibiting miR146a expression and
liberating STAT1 from miR146a-mediated translational inhibition. Furthermore,
STAT1 binds to the miR146a promoter, thus decreasing its expression. Together,
our results suggest that NDR1 promotion of STAT1 translation is an important
event for IFN-dependent antiviral immune response, and suggest that NDR1 has an
important role in controlling viral infections.