CCL19 along with CXCL10 positivity was also a distinctive marker of inflammatory fibroblasts shared across various chronic inflammatory diseases investigated by Korsunsky, et al., including rheumatoid arthritis, ulcerative colitis, interstitial lung disease, and Sjögren’s syndrome and afterwards confirmed in atopic dermatitis [9]. This evidence concerns the gene CXCL10 and rheumatoid arthritis.