Sera from both normal and thymectomized animals produce elevations of cyclic AMP in thymocytes. |
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Authors: | M A Bach |
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Institution: | Institut National de la Santé et de la Recherche Médicale, Paris, France |
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Abstract: | Cyclic AMP content in mouse thymocytes has been measured after incubation either with sera or serum fractions from normal or thymectomized (Tx) mice and pigs or with a synthetic circulating pig thymic factor. Sera from both Tx and normal pigs and mice induced an increase in cyclic AMP in mouse thymocytes, whereas the synthetic pig thymic factor did not. It is concluded that the increase in cyclic AMP in mouse thymocytes should be used with caution for the evaluation of circulating thymic hormone levels. |
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