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pubmed:abstractText |
A specific beta-agonist, isoproterenol, increased the intracellular content of cyclic AMP and decreased the radiosensitivity of Chinese hamster fibroblasts. Beta-antagonist, propranolol, blocked the manifestation of the effect of isoproterenol. Isoproterenol did not affect either the intracellular level of cyclic AMP or the radiosensitivity of B-82 cells which had no beta-adrenoreceptors.
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