Selective virus inhibitors.

De Clercq E
Microbiologica (1990), Volume 13, Page 165
PubMed entry


Our recent efforts have been directed at the development of selective ...
Our recent efforts have been directed at the development of selective inhibitors of different classes of viruses, including adeno, pox, and herpesviruses [herpes simplex virus type 1 (HSV-1) and type 2 (HSV-2), varicella-zoster (VZV), cytomegalovirus (CMV), Epstein-Barr virus (EBV)], (+/-)RNA viruses (reo- and rotavirus), (-)RNA viruses (influenza, parainfluenza, measles, respiratory syncytial, vesicular stomatitis and rabies virus) and retroviruses [i.e. human immunodeficiency virus (HIV), the causative agent of AIDS]. In this search, the following molecular targets were envisaged: for DNA viruses in general, the viral DNA polymerase; for herpes simplex virus and varicella-zoster virus, the viral DNA polymerase via a specific phosphorylation by the viral 2'-deoxythymidine (dThd) kinase; for (+/-)RNA and (-)RNA viruses, S-adenosylhomocysteine (SAH) hydrolase, a key enzyme in transmethylation reactions required for the maturation of viral mRNA; for retroviruses, reverse transcriptase as initiator of virus replication and/or cell transformation; and for several enveloped viruses (i.e. retro-, herpes- and rhabdoviruses), virus adsorption to the outer cell membrane. Several new compounds have been developed that appear to act at these targets: i.e. (E)-5-(2-bromovinyl)-2'-deoxyuridine [bromovinyldeoxyuridine (BVDU)] and derivatives thereof [i.e. carbocyclic BVDU (C-BVDU)] as well as derivatives of acyclovir (i.e. 8-substituted acyclovir derivatives) as inhibitors of herpesviruses; (S)-9-(3-hydroxy-2-phosphonylmethoxypropyl)adenine [(S)-HPMPA], 9-(2-phosphonylmethoxyethyl)adenine (PMEA) and other phosphonylmethoxyalkylpurines and -pyrimidines as inhibitors of DNA viruses and retroviruses; acyclic and carbocyclic analogues of adenosine [such as (S)-9-(2,3-dihydroxypropyl)adenine [S)-DHPA), carbocyclic 3-deazaadenosine (C-c3Ado), (RS)-3-adenin-9-yl-2-hydroxypropanoic acid (AHPA) alkyl esters, neplanocin A, 3-deazaneplanocin A and the 5'-nor derivatives of neplanocin A and 3-deazaneplanocin A] as inhibitors of (+/-)RNA and (-)RNA viruses; 2',3'-dideoxynucleoside analogues as inhibitors of retroviruses; and sulfated polysaccharides (i.e. heparin, dextran sulfate, pentosan polysulfate, mannan sulfate), sulfated polyvinylalcohol and co-polymers of sulfated polyvinylalcohol with acrylic acid as inhibitors of retro-, herpes- and rhabdoviruses.




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