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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 Front+Immunol
2015 ; 6
(ä): 291
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Animal Models of Interferon Signature Positive Lupus
#MMPMID26097482
Zhuang H
; Szeto C
; Han S
; Yang L
; Reeves WH
Front Immunol
2015[]; 6
(ä): 291
PMID26097482
show ga
Human lupus is strongly associated with a gene expression signature characterized
by over-expression of Type I interferon-regulated genes. A strong interferon
signature generally is not seen in the standard mouse models of lupus, despite
considerable evidence for the involvement of toll-like receptor-driven interferon
production. In contrast, pristane-induced lupus exhibits a prominent
TLR7-dependent interferon signature. Importantly, genetic disorders with
dysregulated interferon production in both human beings and mice cause severe
autoinflammatory diseases but not the typical manifestations of lupus, suggesting
that interferon over-production is insufficient to cause systemic lupus
erythematosus itself. Single-gene models in mice suggest that lupus-like disease
may result from abnormalities in B-cell activation and the clearance of dead
cells. Pristane may mimic human systemic lupus erythematosus by causing
synergistic abnormalities in interferon production along with defective clearance
of apoptotic cells and over-active B-cell signaling.