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Updated: Aug 12, 2026

Rapid In Situ Hybridization using Oligonucleotide Probes on Paraformaldehyde-prefixed Brain of Rats with Serotonin Syndrome
Published on: September 23, 2015
Specificity of riboprobes for intracellular RNA in hybridization histochemistry
1Walter and Eliza Hall Institute of Medical Research, Royal Melbourne Hospital, Victoria, Australia.
Abstract:
The specificity of the probe for intracellular RNA during hybridization histochemistry is usually confirmed by loss of the signal following ribonuclease pre-treatment of the target. Interpretation of such controls is complicated when single-stranded (asymmetric) RNA probes (riboprobes) are used for in situ hybridization, since the probes themselves may be degraded by residual ribonuclease. A protocol using the Ca2+-dependent enzyme, micrococcal nuclease, is presented to circumvent these difficulties.
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