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Identification of several high-risk HPV inhibitors and drug targets with a novel high-throughput screening assay.


ABSTRACT: Human papillomaviruses (HPVs) are oncogenic viruses that cause numerous different cancers as well as benign lesions in the epithelia. To date, there is no effective cure for an ongoing HPV infection. Here, we describe the generation process of a platform for the development of anti-HPV drugs. This system consists of engineered full-length HPV genomes that express reporter genes for evaluation of the viral copy number in all three HPV replication stages. We demonstrate the usefulness of this system by conducting high-throughput screens to identify novel high-risk HPV-specific inhibitors. At least five of the inhibitors block the function of Tdp1 and PARP1, which have been identified as essential cellular proteins for HPV replication and promising candidates for the development of antivirals against HPV and possibly against HPV-related cancers.

SUBMITTER: Toots M 

PROVIDER: S-EPMC5300127 | biostudies-literature | 2017 Feb

REPOSITORIES: biostudies-literature

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Identification of several high-risk HPV inhibitors and drug targets with a novel high-throughput screening assay.

Toots Mart M   Ustav Mart M   Männik Andres A   Mumm Karl K   Tämm Kaido K   Tamm Tarmo T   Ustav Ene E   Ustav Mart M  

PLoS pathogens 20170209 2


Human papillomaviruses (HPVs) are oncogenic viruses that cause numerous different cancers as well as benign lesions in the epithelia. To date, there is no effective cure for an ongoing HPV infection. Here, we describe the generation process of a platform for the development of anti-HPV drugs. This system consists of engineered full-length HPV genomes that express reporter genes for evaluation of the viral copy number in all three HPV replication stages. We demonstrate the usefulness of this syst  ...[more]

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