例文
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- Xanthines such as caffeine and theobromine are cAMP-phosphodiesterase inhibitors.
- It is caused by a deficiency of the enzyme xanthine oxidase.
- Caffeine, like other xanthines, also acts as a phosphodiesterase inhibitor.
- This pathway also is independent of the enzyme activity of xanthine oxidase.
- By inhibiting xanthine oxidase, it reduces uric acid production.