| Rationale for inclusion in study | Genes# n | Gene names |
| Implicated in sarcoidosis inflammation | 11 | ICAM1, IFNG, IL15, IL17, IL6, CXCL9, CXCL10, TNFA, HGF, IL13, TNFSF13B |
| Implicated in granulomatous inflammation | 7 | IL15RA, IL18R1, IL4, STAT6, B7H1, IL25, SAA4 |
| Invoked in Ingenuity Pathway Analysis | 16 | IRF1, ITK, JAK2, TYK2, LEF1, MYD88, TLR2, TLR4, TLR8, CTL4A, CD28, TAP1, IRF7, IRF9, STAT1, STAT2 |
| Differentially expressed in sarcoidosis derivation cohort but unknown role in disease | 11 | LRP1, PLAUR, TBXAS1, GBP1, GBP2, SKIL, CETP, USP15, PIK3AP1, TNFAIP2, LPCAT2 |
| Housekeeping genes | 3 | RPL13A, B2M, ACTB |
#: 48 genes in total.