Fig. 2From: Increased expression of prokineticin 2 and its receptor in endometrium of recurrent implantation failure patients decreased the expression of MMP9 important for decidualizationImmunolocalization of PK2 and PKR1 proteins in endometrial tissue of two groups. A, B Expression and localization of PK2 and PKR1 in control group; C, D Expression and localization of PK2 and PKR1 in the RIF group. The scale bar at the lower-right part of all sections represents 50 μmBack to article page