TLR7 and uveitis: Several metaDEGs from the uveitis only group, including IFIT3, IFI44, IFITM1, MX1, TLR7 and DHRS9 (Supplementary Table S7), and gene hubs from the modular co-expression analyses of the systemic disease-associated uveitis group (Figure 2F) are critical players in interferon-induced immune responses.