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Manzamine A as a novel inhibitor of herpes simplex virus type-1 replication in cultured corneal cells.


ABSTRACT: This study investigated the putative inhibitory effect of manzamine A on HSV-1 infection. Our results indicated that manzamine A effectively inhibited viral replication and infection in the cell line SIRC, a corneal cell line, at 1 µM. The existing anti-HSV-1 drug acyclovir was analyzed and showed a comparable activity at 50 µM. Plaque assays demonstrated that manzamine A reduced the release of infectious virus by 10 (11)-fold. RTPCR assays indicated that HSV-1 virion host shutoff (vhs) activity and ICP0 transcription were decreased by manzamine A treatment. These results bode well for the development of manzamines as potential leads to reduce viral infection in corneal cells and to prevent HSV-1-induced eye infections such as keratitis.

SUBMITTER: Palem JR 

PROVIDER: S-EPMC5682632 | biostudies-literature | 2011 Jan

REPOSITORIES: biostudies-literature

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Manzamine A as a novel inhibitor of herpes simplex virus type-1 replication in cultured corneal cells.

Palem Jayavardhana R JR   Bedadala Gautam R GR   El Sayed Khalid A KA   Hsia Shao-chung V SC  

Planta medica 20100719 1


This study investigated the putative inhibitory effect of manzamine A on HSV-1 infection. Our results indicated that manzamine A effectively inhibited viral replication and infection in the cell line SIRC, a corneal cell line, at 1 µM. The existing anti-HSV-1 drug acyclovir was analyzed and showed a comparable activity at 50 µM. Plaque assays demonstrated that manzamine A reduced the release of infectious virus by 10 (11)-fold. RTPCR assays indicated that HSV-1 virion host shutoff (vhs) activity  ...[more]

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