MPO and pancreatic serous cystadenoma: Moreover, they determined CD5-like antigen (CD5L), integrin subunit beta 5 (ITGB5), myeloperoxidase (MPO), Mac-2 binding protein (M2BP), MMP-3 and CRP were strong diagnostic markers of PsA and, when used in combination, they could differentiate PsA from PsC patients better than the use of CRP alone [20].