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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 PLoS+One
2016 ; 11
(9
): e0160879
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English Wikipedia
Association between the Presence of Autoantibodies Targeting Ficolin-3 and Active
Nephritis in Patients with Systemic Lupus Erythematosus
#MMPMID27631981
Plawecki M
; Lheritier E
; Clavarino G
; Jourde-Chiche N
; Ouili S
; Paul S
; Gout E
; Sarrot-Reynauld F
; Bardin N
; Boëlle PY
; Chiche L
; Bouillet L
; Thielens NM
; Cesbron JY
; Dumestre-Pérard C
PLoS One
2016[]; 11
(9
): e0160879
PMID27631981
show ga
Systemic lupus erythematosus (SLE) is a chronic autoimmune disease characterized
by the production of multiple autoantibodies. Antibodies against Ficolin-3 were
previously identified in the sera of some SLE patients, but their prevalence and
significance have not been yet investigated. The aims of this study were to
determine the prevalence of anti-ficolin-3 antibodies among SLE patients and to
investigate their potential as diagnostic and/or prognostic biomarkers in SLE. In
this retrospective study, sera from SLE patients (n = 165) were selected from a
preexisting declared biological collection. Samples from healthy controls (n =
48) were matched with SLE sera. Disease activity was determined according to the
SLEDAI score. Anti-ficolin-3, anti-dsDNA and anti-C1q antibodies levels were
measured in sera by ELISA. First, a highly significant difference was found in
the anti-ficolin-3 levels between SLE patients and healthy subjects.
Anti-ficolin-3 antibodies were detected as positive in 56 of 165 (34%) SLE
patients. The titer of anti-ficolin-3 antibodies was correlated with the SLEDAI
score (r = 0.38, p<0.0001). The presence of anti-ficolin-3 antibodies was
associated with anti-C1q and anti-dsDNA antibodies. Regarding associations with
clinical manifestations, the presence of active lupus nephritis was significantly
associated with the presence of anti-ficolin-3 antibodies (p?0.001). This
association with renal involvement was higher with anti-ficolin-3 or anti-C1q
antibodies than with other auto-antibodies. Interestingly, the combination of
anti-ficolin-3 and anti-C1q antibodies demonstrated higher specificity than any
other serological biomarker. These results suggest that anti-ficolin-3 antibodies
could be useful for the diagnosis of active nephritis in SLE patients.