NR1H4 and rheumatoid arthritis: Axonal Guidance Signaling, LXR/RXR Activation, LPS/IL-1 Mediated Inhibition of RXR Function, Role of Macrophages, Fibroblasts and Endothelial Cells in Rheumatoid Arthritis, Hepatic Fibrosis / Hepatic Stellate Cell Activation, FXR/RXR Activation, were selected as the top pathways enriched using the significant mRNAs.