Title: Antiviral and antimetabolic activities of neplanocins
Authors: De Clercq, Erik # ×
Issue Date: Jul-1985
Publisher: American Society for Microbiology (ASM)
Series Title: Antimicrobial Agents and Chemotherapy vol:28 issue:1 pages:84-9
Abstract: Of a series of carbocyclic analogs of adenosine, in which the ribose moiety was replaced by a cyclopentenyl ring, neplanocin A, or (-)-9-[trans-2, trans-3-dihydroxy-4-(hydroxymethyl)cyclopent-4-enyl]adenine proved particularly effective in inhibiting the multiplication of DNA viruses (i.e., vaccinia), (-)RNA viruses (i.e., parainfluenza, measles, and vesicular stomatitis), and double-stranded RNA viruses (i.e., reo) in vitro in cell culture. Depending on the cells used, the MIC of neplanocin A for these viruses ranged from 0.01 to 4 micrograms/ml, and depending on the parameter used to assess toxicity for the host cell, the specificity index of neplanocin A ranged from 50 to 4,000. As postulated before for other adenosine analogs, neplanocin A may owe its antiviral action to inhibition of S-adenosylhomocysteine hydrolase, hence perturbation of transmethylation reactions. In vivo, neplanocin A afforded only marginal protection against a lethal infection of mice with vesicular stomatitis virus.
ISSN: 0066-4804
Publication status: published
KU Leuven publication type: IT
Appears in Collections:Laboratory of Virology and Chemotherapy (Rega Institute)
× corresponding author
# (joint) last author

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