Their findings confirmed increased levels of hsCRP, osteoprotegerin (OPG), matrix metalloproteinase 3 (MMP-3), as well as the ratio of C-propeptide Type II collagen to Col2-3/4Clong mono (CPII:C2C) in PsA patients compared to PsC patients. Here, TNFRSF11B is linked to pancreatic serous cystadenoma.