Fig. 3
![Fig. 3](http://media.springernature.com/full/springer-static/image/art%3A10.1186%2Fs13075-018-1689-6/MediaObjects/13075_2018_1689_Fig3_HTML.png)
ICAM-1 expression on fibroblasts stimulated with SSc-ICs or NHS-ICs. Fibroblasts exposed to SSc-ICs or NHS-ICs (1:2 dilution). Poly(I:C) and LPS, at concentration of 1 μg/ml, used as positive controls. ***p < 0.0001 versus medium. ACA anti-centromeric protein antibodies, anti-Th/To anti-Th/To antibodies, ARA anti-RNA polymerase III antibodies, ATA anti-DNA topoisomerase I antibodies, IC immune complex, LPS lipopolysaccharide, NHS normal healthy subjects, OD optical density, poly(I:C) polyinosinic-polycytidylic acid