THE CYTOSTATIC ACTIVITY OF 5-(1-AZIDOVINYL)-2'-DEOXYURIDINE (AZVDU) AGAINST HERPES-SIMPLEX VIRUS THYMIDINE KINASE GENE-TRANSFECTED FM3A CELLS IS DUE TO INHIBITION OF THYMIDYLATE SYNTHASE AND ENHANCED BY UV-LIGHT (LAMBDA=254 NM) EXPOSURE

被引:12
作者
BALZARINI, J [1 ]
ANDREI, G [1 ]
KUMAR, R [1 ]
KNAUS, EE [1 ]
WIEBE, LI [1 ]
DECLERCQ, E [1 ]
机构
[1] UNIV ALBERTA,FAC PHARM & PHARMACEUT SCI,EDMONTON,AB T6G 2N8,CANADA
基金
英国医学研究理事会;
关键词
AZIDOVINYLDEOXYURIDINE; HERPES SIMPLEX VIRUS; THYMIDINE KINASE; GENE THERAPY; THYMIDYLATE SYNTHASE;
D O I
10.1016/0014-5793(95)00994-K
中图分类号
Q5 [生物化学]; Q7 [分子生物学];
学科分类号
071010 ; 081704 ;
摘要
5-(1-Azidovinyl)-2'-deoxyuridine (AzVDU) and a series of 5-[1-azido-2-halogenoethyl]-derivatives of beta-D-arabinofuranosyluracil (AU) proved markedly inhibitory to the replication of herpes simplex virus type 1 (HSV-1) and varicella tester virus (VZV), but not thymidine kinase (TK)-deficient HSV-1 and VZV strains, None of the compounds were cytostatic, However, AzVDU, but not the 5-[1-azido-2-halogenoethyl]-AU derivatives became highly cytostatic against HSV-1 and HSV-2 TK gene-transfected FM3A tumor cells. The molecular target for the cytostatic effect of AzVDU proved to be thymidylate synthase, Short exposure of AzVDU-treated FM3A TK-/HSV-1 TK+ cells to irradiation at lambda = 254 nm enhanced the cytostatic activity of AzVDU by 5-fold.
引用
收藏
页码:41 / 44
页数:4
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