The inhibition by xanthine phosphodieste
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Walker Wharton; Barry Goz
📂
Article
📅
1979
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John Wiley and Sons
🌐
English
⚖ 681 KB
## Abstract The three xanthine derivatives, caffeine, theophylline and 3‐isobutyl‐1‐methyl‐xanthine (IBMX) produced dose‐dependent increases in cyclic AMP concentrations in HeLa cells after long term treatment. Only IBMX produced increases over the first 60 minutes, with a peak of approximately 5‐f