IL6 and sarcoidosis: Over-representation gene set analyses of differentially regulated genes in sarcoidosis monocytes revealed that genes upregulated in sarcoidosis monocytes were enriched in “Interferon gamma”, “Interferon alpha”, “Oxidative phosphorylation”, “Antigen processing and presentation”, “Complement”, and “IL-6/JAK/STAT3” pathways (Fig. 2C, Table S5, Suppl.