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    J Clin Microbiol. 2012 Mar;50(3):562-8. Epub 2011 Dec 14.

    HPV 9G DNA chip: 100% clinical sensitivity and specificity.

    Source

    Institute for Applied Chemistry and Department of Chemistry, Hallym University, Chuncheon, South Korea.

    Abstract

    We describe a novel HPV 9G DNA chip test for the accurate and reliable genotyping of human papillomavirus (HPV). The HPV 9G DNA chip test established its efficiency in terms of a signal-to-background ratio (SBR) of 200, which is 50 times superior to commercial HPV DNA chips, and 100% target-specific hybridization at 25°C. We compared the genotyping results for the 439 clinical samples by the HPV 9G DNA chip test with the sequencing results for the MY11/GP6+ (M2) primer set-mediated PCR products. The discrimination of HPV genotypes in the 151 HPV-positive clinical samples by the HPV 9G DNA chip test were 100% identical with the sequencing analysis. The clinical sensitivities of HPV genotyping by the HPV 9G DNA chip test and a commercial HPV DNA chip test were 100% and 88%, respectively. However, the clinical specificities of HPV genotyping by the HPV 9G DNA chip test and the commercial HPV DNA chip test were 100% and 94%, respectively. The 100% clinical sensitivity and specificity of the HPV 9G DNA chip test make it a promising diagnostic tool for HPV genotyping.

    PMID:
    22170909
    [PubMed - indexed for MEDLINE]
    PMCID:
    PMC3295105
    [Available on 2012/9/1]

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