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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 Immunity
2014 ; 40
(5
): 706-19
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gab.com Text
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English Wikipedia
Interleukin-10 receptor signaling in innate immune cells regulates mucosal immune
tolerance and anti-inflammatory macrophage function
#MMPMID24792912
Shouval DS
; Biswas A
; Goettel JA
; McCann K
; Conaway E
; Redhu NS
; Mascanfroni ID
; Al Adham Z
; Lavoie S
; Ibourk M
; Nguyen DD
; Samsom JN
; Escher JC
; Somech R
; Weiss B
; Beier R
; Conklin LS
; Ebens CL
; Santos FG
; Ferreira AR
; Sherlock M
; Bhan AK
; Müller W
; Mora JR
; Quintana FJ
; Klein C
; Muise AM
; Horwitz BH
; Snapper SB
Immunity
2014[May]; 40
(5
): 706-19
PMID24792912
show ga
Intact interleukin-10 receptor (IL-10R) signaling on effector and T regulatory
(Treg) cells are each independently required to maintain immune tolerance. Here
we show that IL-10 sensing by innate immune cells, independent of its effects on
T cells, was critical for regulating mucosal homeostasis. Following wild-type
(WT) CD4(+) T cell transfer, Rag2(-/-)Il10rb(-/-) mice developed severe colitis
in association with profound defects in generation and function of Treg cells.
Moreover, loss of IL-10R signaling impaired the generation and function of
anti-inflammatory intestinal and bone-marrow-derived macrophages and their
ability to secrete IL-10. Importantly, transfer of WT but not Il10rb(-/-)
anti-inflammatory macrophages ameliorated colitis induction by WT CD4(+) T cells
in Rag2(-/-)Il10rb(-/-) mice. Similar alterations in the generation and function
of anti-inflammatory macrophages were observed in IL-10R-deficient patients with
very early onset inflammatory bowel disease. Collectively, our studies define
innate immune IL-10R signaling as a key factor regulating mucosal immune
homeostasis in mice and humans.