EFNA4 and systemic sclerosis: These proteins were MSR1, IL-18R1, IL6, EDA2R, HGF, SCARF2, CTSC, SCARA5, SIGLEC1, NRP2, EFNA4, SCARB2, EZR, LAYN, CLM-1 and CTSS, which are represented in several different disease areas including pulmonary, cardiovascular, neurological, skeletal, hemic, lymphatic, metabolic, and inflammatory diseases such as rheumatic disease, systemic sclerosis, and Sjögren’s syndrome, but also demyelination, neuropathies, and prostate cancer (S2 and S3 Tables).