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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
): 1628
Nephropedia Template TP
gab.com Text
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English Wikipedia
Galectin-3 deficiency drives lupus-like disease by promoting spontaneous germinal
centers formation via IFN-?
#MMPMID29691398
Beccaria CG
; Amezcua Vesely MC
; Fiocca Vernengo F
; Gehrau RC
; Ramello MC
; Tosello Boari J
; Gorosito Serrán M
; Mucci J
; Piaggio E
; Campetella O
; Acosta Rodríguez EV
; Montes CL
; Gruppi A
Nat Commun
2018[Apr]; 9
(1
): 1628
PMID29691398
show ga
Germinal centers (GC) are important sites for high-affinity and long-lived
antibody induction. Tight regulation of GC responses is critical for maintaining
self-tolerance. Here, we show that Galectin-3 (Gal-3) is involved in GC
development. Compared with WT mice, Gal-3 KO mice have more GC B cells and T
follicular helper cells, increased percentages of antibody-secreting cells and
higher concentrations of immunoglobulins and IFN-? in serum, and develop a
lupus-like disease. IFN-? blockade in Gal-3 KO mice reduces spontaneous GC
formation, class-switch recombination, autoantibody production and renal
pathology, demonstrating that IFN-? overproduction sustains autoimmunity. The
results from chimeric mice show that intrinsic Gal-3 signaling in B cells
controls spontaneous GC formation. Taken together, our data provide evidence that
Gal-3 acts directly on B cells to regulate GC responses via IFN-? and implicate
the potential of Gal-3 as a therapeutic target in autoimmunity.