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  • Title: Development and validation with clinical samples of internally controlled multiplex real-time PCR for diagnosis of BKV and JCV infection in associated pathologies.
    Author: Bárcena-Panero A, Echevarría JE, Romero-Gómez MP, Royuela E, Castellanos A, González I, Fedele G.
    Journal: Comp Immunol Microbiol Infect Dis; 2012 Mar; 35(2):173-9. PubMed ID: 22261266.
    Abstract:
    This article describes the development and validation with clinical samples of an internally controlled multiplex quantitative real-time PCR (QRT-PCR) for human polyomaviruses BK (BKV) and JC (JCV). Blood and urine samples from renal transplant recipients with suspected nephropathy, and cerebrospinal fluid (CSF) specimens from AIDS, natalizumab-treated and HIV-negative patients with suspected progressive multifocal leukoencephalopathy, previously checked for BKV and JCV by conventional PCR, were tested by QRT-PCR. All samples positive by conventional PCR were confirmed by QRT-PCR. Four cases of JCV-associated neurological infection, including all those detected in natalizumab-treated patients, and one case of BKV-related neurological infection were only identified by QRT-PCR. BKV was quantified in the CSF of neurological patients for the first time. Analyses of the Quality Control for Molecular Diagnostics 2010 panel were "highly satisfactory" for BKV and "satisfactory" for JCV. The QRT-PCR is specific and reproducible. It improves the sensitivity of conventional PCR for the diagnosis of BKV and JCV infection in various diseases.
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