Planta Med 2011; 77(1): 46-51
DOI: 10.1055/s-0030-1250093
Biological and Pharmacological Activity
Original Papers
© Georg Thieme Verlag KG Stuttgart · New York

Manzamine A as a Novel Inhibitor of Herpes Simplex Virus Type-1 Replication in Cultured Corneal Cells

Jayavardhana R. Palem1 , Gautam R. Bedadala1 , Khalid A. El Sayed1 , Shao-chung V. Hsia1
  • 1Department of Basic Pharmaceutical Sciences, College of Pharmacy, The University of Louisiana at Monroe, Monroe, LA, USA
Further Information

Publication History

received February 24, 2010 revised June 4, 2010

accepted June 7, 2010

Publication Date:
19 July 2010 (online)

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 1011-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.

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Dr. Shao-chung Hsia

Department of Basic Pharmaceutical Sciences
University of Louisiana at Monroe College of Pharmacy

1800 Bienville Drive

Monroe, LA 71201

USA

Phone: +13 1 83 42 17 47

Fax: +13 1 83 42 17 37

Email: hsia@ulm.edu

Prof. Dr. Khalid El Sayed

Department of Basic Pharmaceutical Sciences
University of Louisiana at Monroe College of Pharmacy

1800 Bienville Drive

Monroe, LA 71201

USA

Phone: +13 1 83 42 17 25

Fax: +13 1 83 42 17 37

Email: elsayed@ulm.edu

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