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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
): 2036
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A20 critically controls microglia activation and inhibits inflammasome-dependent
neuroinflammation
#MMPMID29789522
Voet S
; Mc Guire C
; Hagemeyer N
; Martens A
; Schroeder A
; Wieghofer P
; Daems C
; Staszewski O
; Vande Walle L
; Jordao MJC
; Sze M
; Vikkula HK
; Demeestere D
; Van Imschoot G
; Scott CL
; Hoste E
; Gonçalves A
; Guilliams M
; Lippens S
; Libert C
; Vandenbroucke RE
; Kim KW
; Jung S
; Callaerts-Vegh Z
; Callaerts P
; de Wit J
; Lamkanfi M
; Prinz M
; van Loo G
Nat Commun
2018[May]; 9
(1
): 2036
PMID29789522
show ga
Microglia, the mononuclear phagocytes of the central nervous system (CNS), are
important for the maintenance of CNS homeostasis, but also critically contribute
to CNS pathology. Here we demonstrate that the nuclear factor kappa B (NF-?B)
regulatory protein A20 is crucial in regulating microglia activation during CNS
homeostasis and pathology. In mice, deletion of A20 in microglia increases
microglial cell number and affects microglial regulation of neuronal synaptic
function. Administration of a sublethal dose of lipopolysaccharide induces
massive microglia activation, neuroinflammation, and lethality in mice with
microglia-confined A20 deficiency. Microglia A20 deficiency also exacerbates
multiple sclerosis (MS)-like disease, due to hyperactivation of the Nlrp3
inflammasome leading to enhanced interleukin-1? secretion and CNS inflammation.
Finally, we confirm a Nlrp3 inflammasome signature and IL-1? expression in brain
and cerebrospinal fluid from MS patients. Collectively, these data reveal a
critical role for A20 in the control of microglia activation and
neuroinflammation.