Immunofluorescent Staining of Epon Embedded Kidney Sections Through Simultaneous use of Two Different Fluorochrome-Conjugated Antisera

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Abstract
Kidney biopsies can be examined in Epon sections for comparison of immunofluorescence and histology. This is possible by an incubation method which has now been modified to allow simultaneous localization of two antigens using fluorescein and rhodamine-conjugated antibodies on the same semithin sections of formalin fixed tissue. Consecutive sections from the same blocks can also be cut for electron microscopy. The method is now used in our immunopathological diagnostic procedures for examination of kidney biopsies.