75.9 ± 107.8 pg/ml concentration of CXCL10 of comparable to SSc patients 85.07 ± 129.3 pg/ml (n = 284), and significantly higher than HC 39.90 ± 26.2 pg/ml (P = 0.01) (n = 93) (Fig. 4A). This evidence concerns the gene CXCL10 and systemic sclerosis.