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Related Experiment Videos

BK virus: opportunity makes a pathogen.

Hans H Hirsch1

  • 1Department of Clinical Biological Sciences, University of Basel, University Hospital Basel, Basel, Switzerland. hans.hirsch@unibas.ch

Clinical Infectious Diseases : an Official Publication of the Infectious Diseases Society of America
|July 12, 2005
PubMed
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BK virus (BKV) is common, usually asymptomatic, but can reactivate in immunocompromised individuals. This review covers BKV pathogenesis, diagnosis, and treatment, particularly in transplantation settings.

Area of Science:

  • Virology
  • Immunology
  • Nephrology

Background:

  • BK virus (BKV) exposure is highly prevalent (>70%) globally, typically acquired in childhood.
  • Post-infection, BKV establishes a latent state, primarily in the urogenital tract.
  • While usually asymptomatic, BKV can reactivate and cause significant disease in immunocompromised patients.

Purpose of the Study:

  • To review current understanding of BK virus (BKV) pathogenesis.
  • To discuss diagnostic approaches for BKV-related conditions.
  • To outline current treatment strategies for BKV infections.

Main Methods:

  • Literature review of BKV pathogenesis, clinical manifestations, and management.
  • Analysis of BKV's role in transplantation-associated complications.

Related Experiment Videos

  • Discussion of BKV's controversial association with autoimmune diseases and cancer.

    • Main Results:

    • Persistent high-level BKV replication is linked to nephropathy in renal transplant recipients and hemorrhagic cystitis in bone marrow transplant recipients.
    • The rarity of these manifestations in other immunocompromised groups suggests cofactor involvement.
    • BKV's role in autoimmune disease and cancer remains debated due to complex, non-replicative pathology.

    Conclusions:

    • BK virus (BKV) poses a significant risk in specific immunocompromised populations, especially transplant recipients.
    • Further research is needed to elucidate cofactors influencing BKV reactivation and disease.
    • Accurate diagnosis and timely treatment are crucial for managing BKV-associated complications.