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  • Title: Elimination of false-negative hepatitis C virus RNA results by removal of inhibitors in cadaver-organ donor blood specimens.
    Author: Padley DJ, Lucas SB, Saldanha J.
    Journal: Transplantation; 2003 Jul 27; 76(2):432-4. PubMed ID: 12883207.
    Abstract:
    Detection of viral nucleic acids in blood samples from cadavers is often difficult because of inhibition of the reverse transcriptase (RT) or polymerase chain reaction (PCR) steps by substances present in the samples. A robust method for the extraction and detection of hepatitis C virus (HCV) RNA from cadaver blood samples by polymerase chain reaction RT-PCR has been developed on the basis of the Qiagen QIAamp DNA mini kit extraction system (Basel, Switzerland). Twenty of 36 samples tested were positive for HCV RNA. Six of the 16 HCV-antibody- and RNA-negative samples contained inhibitors that were successfully removed by pretreatment of samples with the Qiagen AX matrix before extraction.
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