Immunocytochemical detection of keratins and beta catenin in porcine cervical epithelial cells. Keratins were detected in A) primary cells, B) passage one, C) passage 5; D) negative control. Beta catenin is shown in E) primary cells and F) passage one. Counterstain: hemalum.
Miessen et al. BMC Veterinary Research 2012 8:31 doi:10.1186/1746-6148-8-31