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Updated: Feb 10, 2026

A Rat Orthotopic Renal Transplantation Model for Renal Allograft Rejection
Published on: February 2, 2022
BK virus-induced renal allograft nephropathy
Karel Krejci1, Tomas Tichy2, Jana Bednarikova3
1Department of Internal Medicine III - Nephrology, Rheumatology and Endocrinology, University Hospital Olomouc, I. P. Pavlova 6, 779 00 Olomouc, Czech Republic.
BK virus nephropathy (BKVN) is a rising threat to kidney transplant recipients, linked to increased immunosuppression. Early screening and preemptive immunosuppression adjustment are crucial for preventing BKVN and graft loss.
Area of Science:
- Nephrology
- Virology
- Transplantation Medicine
Background:
- BK virus nephropathy (BKVN) is an opportunistic infection impacting renal function post-transplantation.
- Rising incidence correlates with potent immunosuppressive protocols and aggressive antirejection therapies.
- Limited specific therapies for advanced BKVN necessitate proactive management strategies.
Purpose of the Study:
- To review current detection, prophylaxis, and therapy procedures for BK virus (BKV) replication and BKVN.
- To discuss challenges in modifying immunosuppression and managing early BKV replication.
- To highlight new immune-based treatments and re-transplantation considerations.
Main Methods:
- Comprehensive literature review of BKVN detection, prophylaxis, and therapy.
- Analysis of current immunosuppressive protocols and their impact on BKV replication.
- Discussion of clinical experiences and ongoing research in BKV infection management.
Main Results:
- Current BKVN management strategies are not uniform and present challenges.
- Reduced immunosuppression, a common response, can paradoxically lead to graft rejection.
- Effective screening and preemptive adjustments are essential but require refined protocols.
Conclusions:
- Active screening for BKV replication and preemptive immunosuppression modification are vital for preventing BKVN.
- Further research into immune-based therapies and optimized re-transplantation protocols is needed.
- Standardized management guidelines for BKV replication and BKVN are essential for improving patient outcomes.
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