Article ; Online: High-throughput drug screen identifies calcium and calmodulin inhibitors that reduce JCPyV infection.
2024 Volume 222, Page(s) 105817
Abstract: JC polyomavirus (JCPyV) is a nonenveloped, double-stranded DNA virus that infects the majority of the population. Immunocompetent individuals harbor infection in their kidneys, while severe immunosuppression can result in JCPyV spread to the brain, ... ...
Abstract | JC polyomavirus (JCPyV) is a nonenveloped, double-stranded DNA virus that infects the majority of the population. Immunocompetent individuals harbor infection in their kidneys, while severe immunosuppression can result in JCPyV spread to the brain, causing the neurodegenerative disease progressive multifocal leukoencephalopathy (PML). Due to a lack of approved therapies to treat JCPyV and PML, the disease results in rapid deterioration, and is often fatal. In order to identify potential antiviral treatments for JCPyV, a high-throughput, large-scale drug screen was performed using the National Institutes of Health Clinical Collection (NCC). Drugs from the NCC were tested for inhibitory effects on JCPyV infection, and drugs from various classes that reduced JCPyV infection were identified, including receptor agonists and antagonists, calcium signaling modulators, and enzyme inhibitors. Given the role of calcium signaling in viral infection including Merkel cell polyomavirus and simian virus 40 polyomavirus (SV40), calcium signaling inhibitors were further explored for the capacity to impact JCPyV infection. Calcium and calmodulin inhibitors trifluoperazine (TFP), W-7, tetrandrine, and nifedipine reduced JCPyV infection, and TFP specifically reduced viral internalization. Additionally, TFP and W-7 reduced infection by BK polyomavirus, SV40, and SARS-CoV-2. These results highlight specific inhibitors, some FDA-approved, for the possible treatment and prevention of JCPyV and several other viruses, and further illuminate the calcium and calmodulin pathway as a potential target for antiviral drug development. |
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MeSH term(s) | Humans ; Calcium ; Calmodulin ; Neurodegenerative Diseases ; Leukoencephalopathy, Progressive Multifocal/drug therapy ; Leukoencephalopathy, Progressive Multifocal/genetics ; Polyomavirus Infections ; JC Virus/genetics ; Simian virus 40 ; Antiviral Agents/pharmacology ; Sulfonamides |
Chemical Substances | Calcium (SY7Q814VUP) ; Calmodulin ; W 7 (65595-90-6) ; Antiviral Agents ; Sulfonamides |
Language | English |
Publishing date | 2024-01-19 |
Publishing country | Netherlands |
Document type | Journal Article ; Research Support, N.I.H., Extramural ; Research Support, Non-U.S. Gov't |
ZDB-ID | 306628-9 |
ISSN | 1872-9096 ; 0166-3542 |
ISSN (online) | 1872-9096 |
ISSN | 0166-3542 |
DOI | 10.1016/j.antiviral.2024.105817 |
Database | MEDical Literature Analysis and Retrieval System OnLINE |
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