Establishment of COS-BK cells persistently infected with archetype BK polyomavirus.
BK polyomavirus
COS-BK cells
KOM-5
non-coding control region
persistent infection
Journal
Microbiology and immunology
ISSN: 1348-0421
Titre abrégé: Microbiol Immunol
Pays: Australia
ID NLM: 7703966
Informations de publication
Date de publication:
03 Mar 2024
03 Mar 2024
Historique:
revised:
13
02
2024
received:
17
01
2024
accepted:
17
02
2024
medline:
4
3
2024
pubmed:
4
3
2024
entrez:
4
3
2024
Statut:
aheadofprint
Résumé
BK polyomavirus (BKPyV) was the first human polyomavirus to be isolated from an immunosuppressed kidney transplant recipient in 1971. BKPyV reactivation causes BKPyV-associated nephropathy and hemorrhagic cystitis. However, the mechanisms underlying BKPyV replication remain unclear. In the present study, we performed the long-term cultivation of COS-7 cells transfected with archetype KOM-5 DNA, which were designated as COS-BK cells. BKPyV derived from COS-BK cells was characterized by analyzing the amount of the virus based on hemagglutination, viral replication, and the production of viral protein 1 (VP1). Immunostaining showed that VP1-positive cells accounted for a small percentage of COS-BK cells. The nucleotide sequences encompassing the origin of the DNA replication of BKPyV derived from COS-BK cells were generated from KOM-5 by the deletion of an 8-bp sequence, which did not involve T antigen binding sites. BKPyV replicated most efficiently in COS-BK cells in DMEM containing 2% fetal bovine serum. These results indicate that COS-BK cells are a suitable culture system for studying the persistent infection of archetype BKPyV.
Identifiants
pubmed: 38433377
doi: 10.1111/1348-0421.13124
doi:
Types de publication
Journal Article
Langues
eng
Sous-ensembles de citation
IM
Informations de copyright
© 2024 The Societies and John Wiley & Sons Australia, Ltd.
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