by indirect immunofluorescence microscopy using frozen sections ( 4 micron ) of stomach , kidney , small intestine , liver , uterus , urinary bladder , and heart , antigens reacting with antibodies to plectin were found in fibroblast , endothelial , smooth , skeletal , and cardiac muscle , nerve , and epithelial cells of various types .
C0018787
heart
C0027061
cardiac muscle