Assay Method Information

Assay Name:  HCMV antiviral assay
Description:  Antiviral assays for HCMV DNA were carried out by DNA hybridization as reported by Dankner, W. M., Scholl, D., Stanat, S. C., Martin, M., Souke, R. L. and Spector, S. A., J. Virol. Methods 21:293-298, 1990. Briefly, subconfluent MRC-5 cells in 24-well culture dishes were pretreated for 24 h with various concentrations of drug in Eagle s minimum essential medium (E-MEM) containing 2% FBS and antibiotics. The medium was removed and HCMV strains added aba dilution that will result in a 3-4+ cytopathic effect (CPE) in the no-drug wells in 5 days. The virus was absorbed for 1′ h at 37° C., aspirated and replaced with the drug dilutions. After 5 days of incubation HCMV DNA was quantified in triplicate by nucleic acid hybridization using a CMV Antiviral Susceptibility Test Kit from Diagnostic Hybrids, Inc. (Athens, Ohio). The medium was removed and cells lysed according to the manufacturer s instructions. After absorption of the lysate, the Hybriwix filters were hybridized overnight at 60° C. The Hybriwix were washed for 30 min at 73° C. and counted in a gamma counter. The results are expressed as EC50 (the 50% inhibitory concentration).
Affinity data for this assay
 

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