Volume 47, Issue 4
  • ISSN: 0002-9637
  • E-ISSN: 1476-1645



The objective of this project was to demonstrate detection of DNA in fixed, paraffin-embedded tissue using the polymerase chain reaction (PCR). DNA was purified from six samples of fixed, paraffin-embedded tissue that were histologically positive for and used in the PCR. Previously developed oligonucleotide primers specific for were used to amplify a 452-base target sequence, and a 20-base synthetic probe labeled with digoxigenin-11-dUTP was used to detect the amplification product by chemiluminescence. All six samples were positive by PCR; negative controls showed no amplification or hybridization. This approach could provide a sensitive and specific method for detection of parasite material in fixed, paraffin-embedded tissue samples, and prove to be of significant value in retrospective studies of archival material.


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