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  • Title: Polyoma virus JC DNA detection by polymerase chain reaction in CSF of HIV infected patients with suspected progressive multifocal leukoencephalopathy.
    Author: Giri JA, Gregoresky J, Silguero P, García Messina O, Planes N.
    Journal: Am Clin Lab; 2001; 20(9):33-5. PubMed ID: 11766417.
    Abstract:
    Several studies had previously demonstrated the high sensitivity and specificity of JCV DNA detection in CSF by PCR. This paper reported the implementation of a simple PCR procedure to detect JCV in the CSF in a cohort of HIV-1 infected patients from Argentina. Years ago, the confirmatory diagnosis of this disease was made by in-situ hybridization or immunohistochemistry techniques on brain biopsies. The PCR procedure described here improves the diagnosis of PML because it is simple and noninvasive, and allows the differential diagnosis of PML from other neurological syndromes associated with AIDS. Many recent studies report a significant benefit of combined antiretroviral therapy on the survival of HIV patients without clear neurological improvements. A negative correlation has been described between the concentration of JCV in the CSF and survival time in HIV-1 infected patients, and the level of immune depression may influence JCV replication. This suggests that a single CSF JCV viral load determination during the course of PML disease progression may be of prognostic value for managing HIV patients.
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