alexa Enzyme, lectin and immunohistochemistry of plastic embedded undecalcified bone and other hard tissues for light microscopic investigations.


Journal of Bone Research

Author(s): Hillmann G

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Enzymes and tissue antigens were localized on plastic embedded undecalcified bones and teeth using Technovit 7200 VLC (Kulzer, Germany). This resin is hard enough for cutting and grinding procedures on rotating plates with diamond layers. The pores between the diamond grains are not obstructed with this resin. The procedure described here permits localization of antigens in the soft tissues adjacent to, or in the biological hard tissues themselves and in dental implants (ceramic or metallic) on the light microscopic level. The undecalcified bone is fixed and embedded in plastic and cut at 100-150 microns. The slices are ground automatically by a grinding machine to a thickness of 5-10 microns. After application of the substrates for alkaline and acid phosphatases and the required dyes, the distribution of these enzymes can be demonstrated. Tissue antigens also can be detected with slightly modified standard techniques of immunohistochemistry and lectin histochemistry using the peroxidase technique or fluorescence microscopy.

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This article was published in Biotech Histochem and referenced in Journal of Bone Research

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