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  • Title: Comparison of SPF10 real-time PCR and conventional PCR in combination with the INNO-LiPA HPV Genotyping Extra assay for the detection and typing of human papillomavirus in cervical samples.
    Author: Micalessi MI, Boulet GA, Pillet S, Jacquet J, Pozzetto B, Bogers JJ, Bourlet T.
    Journal: J Virol Methods; 2013 Dec; 194(1-2):113-7. PubMed ID: 23978605.
    Abstract:
    The novel SPF10 real-time PCR assay allows the simultaneous amplification and detection of the HPV target. That way, LiPA analysis of the HPV-negative samples can be avoided, reducing workload and cost. This study aims to evaluate the performance of the SPF10 real-time PCR in combination with the LiPA assay for HPV detection and typing in cervical samples. Thirty-nine cervical samples were subjected to the SPF10 conventional PCR in combination with the LiPA assay. Subsequently, the SPF10 real-time PCR was performed to enable the comparison between the SPF10 conventional and the real-time PCR results. In case of discrepancy, the samples were subjected to the CLART HPV2 assay. As a result, 27 out of 39 samples were identified as HPV-positive by the SPF10 real-time PCR and were genotyped further by the LiPA assay. Twenty samples (74.1%) showed an absolute agreement between the conventional and real-time SPF10 PCR (concordant), three (11.1%) displayed additional or fewer types (compatible), two (7.4%) did not show any similarity between both assays (discordant) and the remaining two (7.4%) were LiPA-negative. The two assays showed an excellent strength of agreement for individual (κ=0.932) and multiple genotype detection (κ=0.834). In conclusion, the two SPF10 PCR methods are comparable. Therefore, the SPF10 real-time PCR with subsequent LiPA could be used for the detection and genotyping of HPV in cervical samples.
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