Rapid technique of DNA-DNA in situ hybridisation on formalin fixed tissue sections using microwave irradiation

P. J. Coates, P.A. Hall, Muriel G. Butler, A. J. D'Ardenne

    Research output: Contribution to journalArticle

    41 Citations (Scopus)

    Abstract

    The relative sensitivities of different protocols for detecting cytomegalovirus nucleic acid sequences in histological specimens, using a biotinylated cDNA probe, were assessed. Several commonly used pre-treatment steps were not essential, nor was the use of a highly sensitive detection system. The choice of enzyme used for proteolytic digestion of tissue seems to be important, and increasing the temperature of denaturation of tissue and probe DNA to above 100° C greatly increased the sensitivity of the method. Difficulties in achieving such high temperatures in a controlled manner were overcome by the use of a rapid microwave heating method that can be used routinely in laboratories. This technique detected cytomegalovirus infections in formalin fixed, paraffin processed tissue sections within a single working day.
    Original languageEnglish
    Pages (from-to)865-9
    Number of pages5
    JournalJournal of Clinical Pathology
    Volume40
    Issue number8
    Publication statusPublished - 1987

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