Fig. 2From: Biologic agents in juvenile spondyloarthropathiesInteractions between genes products and cytokines. References: ERAP1: endoplasmic reticulum aminopeptidasa. UPR : unfolded protein. The misfolding HLA-B27 mechanism in the endoplasmic reticulum, up regulate the UPR. Higher levels of UPR generates an inappropriate genes activation that perpetuate the inflammatory stateBack to article page