experimental sera to human epidermal keratin subunits of molecular weight ( mw ) 67 k , 63 k and 55 k were used , as well as human sera with antibodies to epidermal cytoplasmic antigens ( kca ) , reacting either with u-cyt antigens expressed by cells from the upper compartment of the epidermis or with blc antigens in cells from the basal layer .
C0010834
cytoplasmic
C0007634
cells