Springer Online Journal Archives 1860-2000
Summary A method is presented for the immunohistochemical demonstration of antigens in whole undecalcified joints of small laboratory animals. With this method of tissue preparation, involving embedding in a medium mainly based on 2-hydroxyethyl methacrylate, preservation of antigenicity is satisfactory. Antigens can be demonstrated in 2 μm sections by either immunofluorescence or immunoperoxidase and an indirect technique. Therefore in addition to the morphological analysis of joint alterations in experimental polyarthritis, there is now an opportunity to trace the inciting antigen and to study in parallel the enzymatic equipment of the cells involved, using consecutive sections from a single block of tissue.
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