JC polyomavirus nephropathy confirmed by using an in-house polymerase chain reaction method. 2015

S Querido, and C Jorge, and H Sousa, and R Birne, and P Matias, and A Weigert, and T Adragão, and M Bruges, and S Ramos, and M Santos, and P Paixão, and M D Curran, and D Machado
Department of Nephrology, Médio Tejo Hospitalar Center, Torres Novas, Portugal.

We report the case of an isolated JC virus (JCV) infection, without co-infection by polyoma BK virus (BKV), associated with nephropathy 4 years after kidney transplantation. Clinical suspicion followed the observation of a decrease in estimated glomerular filtration rate (eGFR) and a renal allograft biopsy revealing polyomavirus-associated tubulointerstitial nephritis and positivity for SV40. An in-house real-time polymerase chain reaction assay, targeting the presence of JCV and the absence of BKV in biopsy tissue, confirmed diagnosis. Thirteen months after diagnosis, and following therapeutic measures, eGFR remains stable.

UI MeSH Term Description Entries
D007577 JC Virus A species of POLYOMAVIRUS, originally isolated from the brain of a patient with progressive multifocal leukoencephalopathy. The patient's initials J.C. gave the virus its name. Infection is not accompanied by any apparent illness but serious demyelinating disease can appear later, probably following reactivation of latent virus. Human Polyomavirus JC,JC polyomavirus,Polyomavirus, JC,John Cunningham Virus,Polyomavirus hominis 2,Polyomavirus JC, Human,Virus, John Cunningham
D008297 Male Males
D008875 Middle Aged An adult aged 45 - 64 years. Middle Age
D011183 Postoperative Complications Pathologic processes that affect patients after a surgical procedure. They may or may not be related to the disease for which the surgery was done, and they may or may not be direct results of the surgery. Complication, Postoperative,Complications, Postoperative,Postoperative Complication
D006801 Humans Members of the species Homo sapiens. Homo sapiens,Man (Taxonomy),Human,Man, Modern,Modern Man
D014412 Tumor Virus Infections Infections produced by oncogenic viruses. The infections caused by DNA viruses are less numerous but more diverse than those caused by the RNA oncogenic viruses. Fibroma, Shope,Papilloma, Shope,Infections, Tumor Virus,Infection, Tumor Virus,Shope Fibroma,Shope Papilloma,Tumor Virus Infection
D016030 Kidney Transplantation The transference of a kidney from one human or animal to another. Grafting, Kidney,Renal Transplantation,Transplantation, Kidney,Transplantation, Renal,Kidney Grafting,Kidney Transplantations,Renal Transplantations,Transplantations, Kidney,Transplantations, Renal
D051437 Renal Insufficiency Conditions in which the KIDNEYS perform below the normal level in the ability to remove wastes, concentrate URINE, and maintain ELECTROLYTE BALANCE; BLOOD PRESSURE; and CALCIUM metabolism. Renal insufficiency can be classified by the degree of kidney damage (as measured by the level of PROTEINURIA) and reduction in GLOMERULAR FILTRATION RATE. Kidney Insufficiency,Kidney Failure,Renal Failure,Failure, Kidney,Failure, Renal,Failures, Kidney,Failures, Renal,Insufficiency, Kidney,Kidney Failures,Kidney Insufficiencies,Renal Failures,Renal Insufficiencies
D060888 Real-Time Polymerase Chain Reaction Methods used for detecting the amplified DNA products from the polymerase chain reaction as they accumulate instead of at the end of the reaction. Kinetic Polymerase Chain Reaction,Quantitative Real-Time PCR,Quantitative Real-Time Polymerase Chain Reaction,Real-Time PCR,PCR, Quantitative Real-Time,PCR, Real-Time,PCRs, Quantitative Real-Time,PCRs, Real-Time,Quantitative Real Time PCR,Quantitative Real Time Polymerase Chain Reaction,Quantitative Real-Time PCRs,Real Time PCR,Real Time Polymerase Chain Reaction,Real-Time PCR, Quantitative,Real-Time PCRs,Real-Time PCRs, Quantitative
D027601 Polyomavirus Infections Infections with POLYOMAVIRUS, which are often cultured from the urine of kidney transplant patients. Excretion of BK VIRUS is associated with ureteral strictures and CYSTITIS, and that of JC VIRUS with progressive multifocal leukoencephalopathy (LEUKOENCEPHALOPATHY, PROGRESSIVE MULTIFOCAL). Polyomavirus Infection

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