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  • Title: Role of site-selective cAMP analogs in the control and reversal of malignancy.
    Author: Cho-Chung YS, Clair T, Tortora G, Yokozaki H.
    Journal: Pharmacol Ther; 1991; 50(1):1-33. PubMed ID: 1653961.
    Abstract:
    Two isoforms of cAMP receptor protein, RI and RII, the regulatory subunits of cAMP-dependent protein kinase, transduce opposite signals, the RI being stimulatory and the RII being inhibitory of cell proliferation. In normal cells RI and RII exist at a specific physiological ratio whereas in cancer cells such physiological balance of these receptor proteins is disrupted. Reversal and suppression of malignancy can be achieved when the physiologic ratio of these intracellular signal transducers of cAMP is restored as shown by the use of site-selective cAMP analogs, antisense oligodeoxynucleotides or gene transfer, suggesting new approaches to cancer control.
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