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1 January 2006

Volume 193, Number 1
The Journal of Infectious Diseases 2006;193:80–87
0022-1899/2006/19301-0013$15.00
DOI: 10.1086/498530
MAJOR ARTICLE

Rapid Dynamics of Polyomavirus Type BK in Renal Transplant Recipients

Georg A. Funk,1,2

Jürg Steiger,3 and

Hans H. Hirsch2,4

1School of Biological Sciences, Royal Holloway University of London, Egham, United Kingdom; 2Transplantation Virology, Medical Microbiology, Department of Clinical and Biological Sciences, University of Basel, and 3Transplantation Immunology and Nephrology and 4Infectious Diseases and Hospital Epidemiology, University Hospitals Basel, Basel, Switzerland

Background.Polyomavirus type BK–associated nephropathy (PVAN) is an emerging cause of early renal transplant failure. No specific antiviral treatment has been established. Current interventions rely on improving immune functions by reducing immunosuppression. In patients with PVAN, a high BK virus (BKV) load is detectable in plasma. However, the relationship between BKV replication and disease is not well understood.

Methods.In a retrospective analysis of BKV plasma load in renal transplant recipients undergoing allograft nephrectomy ( ) or changes in immunosuppressive regimen ( ), we calculated viral clearance rates and generation times and estimated the loss of BKV‐infected renal cells.

Results.After nephrectomy, BKV clearance was fast (viral half‐life [t1/2], 1–2 h) or moderately fast (t1/2, 20–38 h), depending on the sampling density, but it was independent of continued immunosuppressive regimens. After changing immunosuppressive regimens, BKV was cleared with a t1/2 of 6 h–17 days. Using the basic reproductive ratio, the efficacies of intervention ranged from 7% to 83% (mean, 28%; median, 22%).

Conclusion.The results emphasize that high‐level BKV replication is a major pathogenetic factor that may have implications for genome rearrangements, immune evasion, and antiviral resistance.

Received 5 April 2005; accepted 18 July 2005; electronically published 30 November 2005.

Reprints or correspondence: Pr. Hans H. Hirsch, Transplantation Virology, Medical Microbiology, Dept. of Clinical and Biological Sciences, University of Basel, Petersplatz 10, CH‐4003 Basel, Switzerland ().

Cited by

Yoshiaki Yogo, Chie Sugimoto, Shan Zhong, Yukio Homma. (2009) Evolution of the BK polyomavirus: epidemiological, anthropological and clinical implications. Reviews in Medical Virology 19:4, 185-199
Online publication date: 1-Aug-2009.
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Emilio Ramos, Cinthia B. Drachenberg, Ravinder Wali, Hans H. Hirsch. (2009) The Decade of Polyomavirus BK-Associated Nephropathy: State of Affairs. Transplantation 87:5, 621-630
Online publication date: 1-Apr-2009.
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Adrian Egli, Laura Infanti, Alexis Dumoulin, Andreas Buser, Jacqueline Samaridis, Christine Stebler, Rainer Gosert, and Hans H. Hirsch. (2009) Prevalence of Polyomavirus BK and JC Infection and Replication in 400 Healthy Blood Donors. The Journal of Infectious Diseases 199:6, 837-846
Online publication date: 15-Mar-2009.
Ellen Krautkrämer, Theresa M. Klein, C. Sommerer, Paul Schnitzler, Martin Zeier. (2009) Mutations in the BC-loop of the BKV VP1 region do not influence viral load in renal transplant patients. Journal of Medical Virology 81:1, 75-81
Online publication date: 1-Feb-2009.
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Patrizia Comoli, Hans H Hirsch, Fabrizio Ginevri. (2009) Cellular immune responses to BK virus. Current Opinion in Organ Transplantation 13:6, 569-574
Online publication date: 1-Jan-2009.
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G. A. Funk, R. Gosert, P. Comoli, F. Ginevri, H. H. Hirsch. (2008) Polyomavirus BK Replication Dynamics In Vivo and In Silico to Predict Cytopathology and Viral Clearance in Kidney Transplants. American Journal of Transplantation 8:11, 2368-2377
Online publication date: 1-Dec-2008.
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Liise K. Kayler, Ibrahim Batal, Ravi Mohanka, Claire Morgan, Amit Basu, Ron Shapiro, Parmjeet S. Randhawa. (2008) Antirejection Treatment in Kidney Transplant Patients with BK Viruria. Transplantation 86:6, 797-803
Online publication date: 1-Oct-2008.
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E. Bernhoff, T. J. Gutteberg, K. Sandvik, H. H. Hirsch, C. H. Rinaldo. (2008) Cidofovir Inhibits Polyomavirus BK Replication in Human Renal Tubular Cells Downstream of Viral Early Gene Expression. American Journal of Transplantation 8:7, 1413-1422
Online publication date: 1-Aug-2008.
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Martina Mindlova, Petr Boucek, Frantisek Saudek, Teodora Jedinakova, Ludek Voska, Eva Honsova, Kvetoslav Lipar, Milos Adamec, Hans H. Hirsch. (2008) Kidney retransplantation following graft loss to polyoma virus-associated nephropathy: an effective treatment option in simultaneous pancreas and kidney transplant recipients. Transplant International 21:4, 353-356
Online publication date: 1-May-2008.
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R. Gosert, C. H. Rinaldo, G. A. Funk, A. Egli, E. Ramos, C. B. Drachenberg, H. H. Hirsch. (2008) Polyomavirus BK with rearranged noncoding control region emerge in vivo in renal transplant patients and increase viral replication and cytopathology. Journal of Experimental Medicine 205:4, 841-852
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Stanislas Faguer, Hans H. Hirsch, Nassim Kamar, Celine Guilbeau-Frugier, David Ribes, Joëlle Guitard, Laure Esposito, Olivier Cointault, Anne Modesto, Michel Lavit, Catherine Mengelle, Lionel Rostaing. (2007) Leflunomide treatment for polyomavirus BK-associated nephropathy after kidney transplantation. Transplant International 20:11, 962-969
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Cinthia B. Drachenberg, Hans H. Hirsch, John C. Papadimitriou, Rainer Gosert, Ravinder K. Wali, Raghava Munivenkatappa, Joseph Nogueira, Charles B. Cangro, Abdolreza Haririan, Susan Mendley, Emilio Ramos. (2007) Polyomavirus BK Versus JC Replication and Nephropathy in Renal Transplant Recipients: A Prospective Evaluation. Transplantation 84:3, 323-330
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Philip D. Acott, Hans H. Hirsch. (2007) BK virus infection, replication, and diseases in pediatric kidney transplantation. Pediatric Nephrology 22:9, 1243-1250
Online publication date: 2-Aug-2007.
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S. Binggeli, A. Egli, S. Schaub, I. Binet, M. Mayr, J. Steiger, H. H. Hirsch. (2007) Polyomavirus BK-Specific Cellular Immune Response to VP1 and Large T-Antigen in Kidney Transplant Recipients. American Journal of Transplantation 7:5, 1131-1139
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S. F. Lacey. (2007) BK Viral Loads and Immune Monitoring in Renal Transplant Recipients. American Journal of Transplantation 7:5, 1039-1040
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Simon F Lacey, Wendi Zhou. (2007) Immune responses to BK and JC viruses in immunocompromised patients. Future Virology 2:3, 255-266
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Christine Hanssen Rinaldo, Hans H Hirsch. (2007) Antivirals for the treatment of polyomavirus BK replication. Expert Review of Anti-infective Therapy 5:1, 105-115
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Volker Nickeleit, Michael J. Mihatsch. (2007) Polyomavirus nephropathy in native kidneys and renal allografts: an update on an escalating threat. Transplant International 19:12, 960-973
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Regis A. Vilchez, Shimon Kusne. (2006) Molecular and clinical perspectives of polyomaviruses: Emerging evidence of importance in non-kidney transplant populations. Liver Transplantation 12:10, 1457-1463
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S. Binggeli, A. Egli, M. Dickenmann, I. Binet, J. Steiger, H. H. Hirsch. (2006) BKV Replication and Cellular Immune Responses in Renal Transplant Recipients. American Journal of Transplantation 6:9, 2218-2219
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E. Ramos, H.H. Hirsch. (2006) Polyomavirus-associated nephropathy: updates on a persisting challenge. Transplant Infectious Disease 8:2, 59-61
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P. Comoli, S. Binggeli, F. Ginevri, H.H. Hirsch. (2006) Polyomavirus-associated nephropathy: update on BK virus-specific immunity. Transplant Infectious Disease 8:2, 86-94
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  • Potential conflicts of interest: none reported.

    Financial support: European Community (Marie Curie Fellowship, contract MEIF‐CT‐2004‐501039 to G.A.F.); Ausbildungsstiftung für den Kanton Schwyz und die Bezirke See und Gaster (grant to G.A.F.); Swiss National Fund (grant 3200‐062021.00 to H.H.H.).

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