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BK virus.

D A Holt·J T Sinnott·R L Oehler·E A Bradley
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Abstract

BK virus is a human polyoma virus that infects the renal epithelium and remains latent until immunosuppression triggers reactivation. After reactivation, BK virus can be detected in the urine by methods currently available in the clinical laboratory. Correlations can be made between BK viruria and the occurrence of both renal and hepatic pathologies. BK virus is emerging as a significant pathogen in transplant patients. Additionally, the presence of BK virus DNA in primary brain and pancreatic tumors suggests that it may have oncogenic potential. Thus far, attempts to treat BK virus infection have been ineffective, though research has opened new avenues for treatment possibilities. Prevention of BK virus and other latent viral reactivation remains a challenge to viral research.

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BK VirusEpitheliumHumansImmunocompromised HostKidneyTumor Virus InfectionsVirus ActivationJournal ArticleReview

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D A Holt, J T Sinnott, R L Oehler, E A Bradley. 1992. BK virus.. https://doi.org/10.1086/648347

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PubMed2007

BK virus infection in a renal transplant Saudi child.

BK human polyomavirus BKV causes an asymptomatic primary infection in children, but later, establishes latency mainly in the urinary tract. Virus-host interactions influencing persistence and pathogenicity are not well-understood. We present here a 12-year-old Saudi boy, who had renal transplant in Egypt. Seven months later, he was admitted to our Pediatric Nephrology Unit as a case of renal impairment. He developed BKV infection, diagnosed and successfully managed in our hospital. This case demonstrates the expanding clinical importance of BKV in a post renal transplant patient. This virus can be detected in transitional cells in the urine decoy cells using cytology. Testing for BKV deoxyribonucleic acid in urine and blood is an early detection assay, and can be used as a screening test in the early stages. The early reduction of immunosuppression can improve the prognosis. No specific antiviral treatment has been established yet. This is the first report of detecting BK virus in a Saudi post-transplant child in urine and blood specimens by using polymerase chain reaction.

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PubMed2006

Case studies in cost effectiveness of molecular diagnostics for infectious diseases: pulmonary tuberculosis, enteroviral meningitis, and BK virus nephropathy.

Pathogen genome amplification is used to detect and identify microorganisms, assess response to therapy, and detect mutations associated with drug resistance. Nucleic acid amplification tests have been shown to be superior to conventional culture-based testing methods in many circumstances. However, the enthusiasm for the technology in clinical laboratories may be decreased by the practical considerations of cost, complexity of the technology, and lack of US Food and Drug Administration-approved tests. The impact of nucleic acid amplification tests on the diagnosis and management of patients with tuberculosis, enteroviral meningitis, and BK virus transplant nephropathy will be examined, with an emphasis on the potential for health care cost savings.

BK Virus↗