Fig. 1.

Shared attributes of cutaneous psoriasis and psoriatic arthritis [10–14]. AP activator protein, CPII C-propeptide of type II collagen, C2C collagen fragment neoepitopes Col2-3/4C_{long mono}, HLA human leukocyte antigen, hsCRP highly sensitive C-reactive protein, IFN interferon, IL interleukin, IL-12B interleukin 12 beta, IL-23r interleukin 23 receptor, MAPK mitogen-activated protein kinase, MMP matrix metalloproteinase, NF nuclear factor, OPG osteoprotegerin, pDC precursor dendritic cell, RANK receptor activator of NF-κB, TNF tumour necrosis factor