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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
): 1758
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English Wikipedia
IL-21 drives expansion and plasma cell differentiation of autoreactive
CD11c(hi)T-bet(+) B cells in SLE
#MMPMID29717110
Wang S
; Wang J
; Kumar V
; Karnell JL
; Naiman B
; Gross PS
; Rahman S
; Zerrouki K
; Hanna R
; Morehouse C
; Holoweckyj N
; Liu H
; Manna Z
; Goldbach-Mansky R
; Hasni S
; Siegel R
; Sanjuan M
; Streicher K
; Cancro MP
; Kolbeck R
; Ettinger R
Nat Commun
2018[May]; 9
(1
): 1758
PMID29717110
show ga
Although the aetiology of systemic lupus erythematosus (SLE) is unclear,
dysregulated B cell responses have been implicated. Here we show that an unusual
CD11c(hi)T-bet(+) B cell subset, with a unique expression profile including
chemokine receptors consistent with migration to target tissues, is expanded in
SLE patients, present in nephrotic kidney, enriched for autoreactive
specificities and correlates with defined clinical manifestations. IL-21 can
potently induce CD11c(hi)T-bet(+) B cells and promote the differentiation of
these cells into Ig-secreting autoreactive plasma cells. While murine studies
have identified a role for T-bet-expressing B cells in autoimmunity, this study
describes and exemplifies the importance of CD11c(hi)T-bet(+) B cells in human
SLE.