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Antiherpesvirus Activity in Human Sera and Urines after Administration of Adenine Arabinoside: IN VITRO AND IN VIVO SYNERGY OF ADENINE ARABINOSIDE AND ARABINOSYLHYPOXANTHINE IN COMBINATION
Keith J. Champney, … , Elizabeth J. Bailey, A. Martin Lerner
Keith J. Champney, … , Elizabeth J. Bailey, A. Martin Lerner
Published December 1, 1978
Citation Information: J Clin Invest. 1978;62(6):1142-1153. https://doi.org/10.1172/JCI109233.
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Antiherpesvirus Activity in Human Sera and Urines after Administration of Adenine Arabinoside: IN VITRO AND IN VIVO SYNERGY OF ADENINE ARABINOSIDE AND ARABINOSYLHYPOXANTHINE IN COMBINATION

Abstract

The minimum inhibitory concentration (MIC) of adenine arabinoside (ara-A) in rabbit kidney microtiter tissue cultures (RK-13) to a prototype strain of herpes simplex virus, type 1 (E115) based upon inhibition of cytopathic effects is 1.5 μg/ml. In this system, the MIC of arabinosylhypoxanthine (ara-Hx), the major in vivo metabolic derivative of ara-A, is 75 μg/ml. Inhibition of cytopathic effects of herpes simplex virus, type 1 (HSV-1) in microtiter wells of RK-13 cells varies directly with the concentrations of ara-A or ara-Hx, and inversely with residual HSV-1. The MIC of ara-A for HSV-1 in RK-13 cells is 5-20 times lower than similar measures with vero renal, mouse embryo, or human foreskin cultures. With RK-13 tissue cultures in microtiter plates, an assay for “ara-A equivalents” in human body fluids was developed which compares in sensitivity with high pressure liquid chromatography and has the advantage of simultaneously measuring combined antiherpesvirus effects of ara-A and its major metabolic derivative, ara-Hx.

Authors

Keith J. Champney, Carl B. Lauter, Elizabeth J. Bailey, A. Martin Lerner

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