Home CONTACT Acta Virologica 2005 Acta Virologica Vol.49, p.251-260, 2005

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Quarterly, 72-88 pp. per issue
Founded: 1957
ISSN 0001-723X
E-ISSN 1336-2305

Published in English

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Acta Virologica Vol.49, p.251-260, 2005

Title: EFFECT OF METAL COMPLEXES OF ACYCLOVIR AND ITS ACETYLATED DERIVATIVE ON HERPES SIMPLEX VIRUS 1 AND HERPES SIMPLEX VIRUS 2 REPLICATION
Author: T. VARADINOVA, N. VILHELMOVA, F. BADENAS, A. TERRÓN, J. FIOL, A. GARCIA-RASO, P. GENOVA

Abstract: The effect of zinc, nickel, cobalt and cadmium complexes of acyclovir (ACV) and its Oacetylated derivative (Ac-ACV) on the replication of wild type (wt) and ACV-resistant (ACVR) strains of Herpes simplex virus 1 (HSV-1) and Herpes simplex virus 2 (HSV-2) was examined. According to cytotoxicity, these compounds followed the order Ni-ACV chloride > Cd-ACV 3 Ni-ACV nitrate > ACV = Zn-ACV nitrate = Ac-ACV = Zn-Ac-ACV > Zn-ACV chloride> Co-ACV. Besides Ac-ACV, the only active complexes in inhibiting virus replication were Zn-ACV nitrate and Zn-Ac-ACV, which effectively suppressed the growth of both wt and ACVR strains of HSV-1 and HSV-2. The most active and most selective inhibitor of the growth of ACVR strains of HSV-1 and HSV-2 was Ac-ACV; its EC50 and SI were 100 and 10 times higher than those of ACV, respectively. Zn-Ac-ACV was less active than Ac-ACV, obviously due to the stability of the complex. Zn-ACV nitrate was active against both wt and ACVR strains of HSV-1; its activity and selectivity were100 and 75 times higher than those of ACV, respectively. Ac-ACV and Zn-Ac-ACV suppressed the pre-mitotic arrest caused by HSV-1 infection during the first 2 hrs of infection and later on restored the cell division.

Keywords: Herpes simplex virus 1; Herpes simplex virus 2; acyclovir; acetylated acyclovir; metal complexes; antiviral activity
Year: 2005, Volume: 49, Issue: Page From: 251, Page To: 260

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