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Adaptive immune response against BK polyomavirus infection
Rezlerová, Adéla ; Saláková, Martina (advisor) ; Roubalová, Kateřina (referee)
BK polyomavirus is a small non-enveloped virus that is found in a large proportion of the human population. BKPyV infection commonly occurs in early childhood. The virus establishes persistent infection in renal tubular cells and uroepithelial cells. In immunosuppressed individuals, especially after renal or haematopoietic stem cell transplantation, BKPyV reactivation can lead to serious complications such as BKPyV-associated nephropathy (BKVAN), urethral stenosis or haemorrhagic cystitis. Adaptive immunity plays a crucial role in controlling the replication and progression of BKPyV infection. The T cell response is particularly important, with the production of CD4+ and CD8+ T-lymphocytes. B-lymphocytes, which produce virus neutralising antibodies, are also important. Currently, there are no effective antiviral agents against BKPyV infection and reducing immunosuppression remains the main strategy to suppress reactivation. Exploration of immune- based therapies offers promising possibilities for effective treatment of complications associated with polyomavirus infection. Key words: BK polyomavirus, T cell response, antibodies, BK polyomavirus-associated nephropathy, hemorrhagic cystitis
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