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Part 4: Activation / Inhibition Effect on LDHs function in the presence of Phosphate ions

ABSTRACT: Part 4: Activation / Inhibition Effect on LDHs function in the presence of Phosphate ions

SUBMITTER: Anna Feldman-Salit

PROVIDER: 121 | FAIRDOMHub | 2014-06-10

REPOSITORIES: FAIRDOMHub

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Effect of Host Telomerase Inhibition on Human Cytomegalovirus

Project description:Treatment options remain limited for Human Cytomegalovirus (HCMV). Host telomerase has been implicated in the pathogenesis and oncogenesis of multiple herpesviruses, most recently including HCMV. In this study, we investigated the effect of telomerase inhibition on HCMV replication, as well as the mechanism of the interaction between HCMV and host telomerase in vitro. We found that lytic HCMV infection increases host telomerase activity, at least in part through modulation of hTERT expression during earlier phases of the HCMV replication cycle. We found telomerase inhibition strongly reduced viral titer for two HCMV strains in a dose-specific manner. Both post-translational pharmaceutical telomerase inhibition and siRNA-mediated knockdown of hTERT reduce HCMV yield. Telomerase inhibition results in both reduction of viral gene and protein expression across the HCMV replication cycle, and suppressed viral genome replication and viral infectivity, suggesting interference with at least early steps of the HCMV viral life cycle. Altogether, our findings indicate telomerase plays an important, perhaps non-canonical role in lytic HCMV infection which includes the support of viral replication and infectivity.

2025-02-01 | PXD058198 | panorama