Ultrastructural detection of single-stranded DNA in rat liver nucleus by the electronmicroscopic immuno-peroxidase method |
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| Authors: | I. Suzuki Y. Tsutsui T. Takahashi |
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| Affiliation: | 1. Laboratory of Ultrastructure Research Aichi Cancer Center Research Institute, Chikusa-ku, Nagoya, Japan;2. Laboratory of Biochemistry, Aichi Cancer Center Research Institute, Chikusa-ku, Nagoya, Japan |
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| Abstract: | Single-stranded DNA (ssDNA) in nucleus of rat liver cell was detected electron-microscopically by an indirect immuno-peroxidase technique using anti-thymine antibody. Anti-thymine was made by immunizing a rabbit with thymine-bovine serum albumin (BSA) conjugate. Anti-thymine was prepared from anti-thymine-BSA serum by adsorption with insolubilized BSA. Immunochemical analysis of anti-thymine was performed by gel diffusion and confirmed the reactivity of antithymine with ssDNA. The enzymatic reaction products showing single-stranded DMA were detected in the chromatin areas of nuclei of both normal and regenerating rat liver cells. The specificity of the reaction product was checked by control experiments. |
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