Summary
A method has been developed to cut unfixed and undecalcified sections of rat paws from animals with adjuvant arthritis and to stain them by a biotin-avidin immunoperoxidase technique. Good tissue integrity and morphology throughout the immunohistochemical procedure were retained if the sections were first mounted on transparent sellotape. The method is illustrated with two monoclonal antibodies (mAb) and is generally applicable with any mAb or polyclonal antibody and with joints from other small animals. For rats with adjuvant arthritis it was found important to block endogenous peroxidase before immunostaining. Complete inhibition of this enzyme without loss of antigenicity was best achieved after application of the mAb and biotinylated anti-IgG conjugate to the unfixed tissue sections.
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Meacock, S.C.R., Brandon, D.R., Brown, C.P. et al. A novel technique for immunohistoperoxidase staining of unfixed whole joints of small animals. Histochem J 24, 115–119 (1992). https://doi.org/10.1007/BF01082448
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DOI: https://doi.org/10.1007/BF01082448