National Repository of Grey Literature 1 records found  Search took 0.00 seconds. 
The role of JC virus in etiology and therapy of multiple sclerosis.
Musil, Dominik ; Španielová, Hana (advisor) ; Šmahelová, Jana (referee)
JCPyV is a human polyomavirus. Infections caused by this type of virus is often without any clinical symptoms and JCPyV mostly persists in kidneys of human for the rest of the life. The most serious disease caused by the JCPyV is progressive multifocal leukoencephalopathy, which causes severe demyelination of neurons in the brain. Multiple sclerosis, as well as progressive multifocal leukoencephalopathy, is characterised by the demyelinization of neurons. In the past few years, it was shown that the development of PML occurs in some pacients who suffered from multiple sclerosis and who were treated with the monoclonal antibody called natalizumab (Tysabri). This text describes the analysis of the conncetion between viral infection of JCPyV and the etiology of multiple sclerosis and progressive multifocal leukoencephalopathy. As the risk factors for the progression of progressive multifocal leukoencephalopathy in natalizumab treated multiple sclerosis patients the duration of the use, previous immunosuppressant therapy and the presence of the anti-JCPyV antibodies have been demonstrated. In addition to these risk factors, it has also been demonstrated that the people with progressive multifocal leukoencephalopathy have mutations in the genome of virus in the regulatory region, as well as in the...

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