Summary
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1.
We have described a general ribonucleotide probein situ hybridization methodology for localization of mRNA in frozen, unfixed tissue sections of brain.
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The most important steps in obtaining consistent and reproducible autoradiographs with ribonucleotide probes were tissue acetylation and application of the radiolabeled probe to tissue sections under unsealed, glass coverslips.
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3.
Variability of the hybridization signal in tissue sections has been minimized to achieve a high degree of reproducibility within a given experiment as determined by densitometric analysis of rat glucocorticoid and mineralocorticoid receptor mRNA hybridization autoradiographs.
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4.
Tissue quality has been optimized for high-resolution anatomical localization of mRNA species by nuclear track emulsion.
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The protocol is amenable to rapid, batchwise processing of tissue samples.
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Whitfield, H.J., Brady, L.S., Smith, M.A. et al. Optimization of cRNA probein situ hybridization methodology for localization of glucocorticoid receptor mRNA in rat brain: A detailed protocol. Cell Mol Neurobiol 10, 145–157 (1990). https://doi.org/10.1007/BF00733641
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DOI: https://doi.org/10.1007/BF00733641