Among chemokine receptors, mRNA expressions of CCR2-var.A (P = 0.018), CCR5 (P = 0.003), CXCR3 (P < 0.001), and CXCR6 (P < 0.001) were elevated in sarcoidosis patients (Table 3, Figure 1(b)). This evidence concerns the gene CCR5 and sarcoidosis.