Are sequence variations in the BK virus control region essential for the development of polyomavirus nephropathy?

BK virus replication is regulated by the noncoding control region (NCCR); major NCCR rearrangements could modify the strength of viral replication, having a role in the development of polyomavirus-associated nephropathy (PAN). Urine (n = 34), blood (n = 32), and renal biopsy samples (n = 13) from 5...

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Bibliographic Details
Published in:American journal of clinical pathology 2005-08, Vol.124 (2), p.303-312
Main Authors: BOLDORINI, Renzo, VEGGIANI, Claudia, TURELLO, Ernesto, BARCO, Diana, MONGA, Guido
Format: Article
Language:English
Subjects:
Adult
Aged
Base Sequence
Biological and medical sciences
BK virus
BK Virus - genetics
Blood - virology
DNA, Viral - genetics
Female
Gene Rearrangement
Humans
Investigative techniques, diagnostic techniques (general aspects)
Kidney Diseases - pathology
Kidney Diseases - virology
Kidney Transplantation
Male
Medical sciences
Middle Aged
Molecular Sequence Data
Pathology. Cytology. Biochemistry. Spectrometry. Miscellaneous investigative techniques
Polymerase Chain Reaction
Polyomavirus
Polyomavirus Infections - complications
Polyomavirus Infections - genetics
Polyomavirus Infections - pathology
Tumor Virus Infections - complications
Tumor Virus Infections - genetics
Tumor Virus Infections - pathology
Urine - virology
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Summary:BK virus replication is regulated by the noncoding control region (NCCR); major NCCR rearrangements could modify the strength of viral replication, having a role in the development of polyomavirus-associated nephropathy (PAN). Urine (n = 34), blood (n = 32), and renal biopsy samples (n = 13) from 5 transplant recipients with PAN underwent nested polymerase chain reaction to search for the NCCR region. Sequence analysis was performed on all NCCR fragments obtained. Decoy cells were evaluated semiquantitatively in urine and PAN staged in renal biopsy specimens; the results were related to the presence and type of NCCR sequence variations. Major NCCR rearrangements were found in urine (9/75 [12%]), blood (7/30 [23%]), and renal biopsy (4/15 [27%]) samples in 3 cases; 2 cases had only unrearranged strains. Neither the detection and number of decoy cells nor the PAN stage were related to the specific type of NCCR sequence rearrangements. NCCR rearrangements do not seem essential for the development of PAN.
ISSN:0002-9173
1943-7722
DOI:10.1309/RLB1PMV33RK7CGAX