Stimulation of melanotic expression in a
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Mark L. Steinberg; J. R. Whittaker
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Article
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1976
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John Wiley and Sons
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English
⚖ 842 KB
## Abstract Theophylline, a phosphodiesterase inhibitor, was found to be a potent stimulator of melanogenesis in the RPMI 3460 hamster melanoma cell line. This stimulation was greater than that caused by either dibutyryl cyclic AMP (db‐cAMP) or another phosphodiesterase inhibitor, papaverine. Theop