Moreover, overexpression of VEGFR-3 and chemokine receptors, such as CXCR2 (receptor of IL-8) and CXCR6 (receptor of CXCL6), has been found in endothelial cells and dermal fibroblasts isolated from SSc patients [44, 50, 51]. Here, CXCL6 is linked to systemic sclerosis.