Role of glucocorticoids on the maturation of brush border enzymes in fetal rat gut endoderm |
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Authors: | M Kedinger P M Simon-Assmann B Lacroix K Haffen |
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Institution: | (1) Unité de Recherche de Physiopathologie Digestive, INSERM UNITE 61, 3, av. Molière, F-67200 Strasbourg, (France) |
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Abstract: | Summary Heterospecific recombinants between fetal rat intestinal endoderm and chick mesenchyme, and also undissociated fetal rat intestine, were submitted to different hormonal environments. The present study shows that exogenouslysupplied dexamethasone in organ culture, like endogenous hormones provided by the adult rat (grafting experiments) led to similar qualitative and quantitative results, i.e., a 9-fold stimulation of maltase and a precocious induction of sucrase activity in comparison with anhormonal conditions.Supported by grant CRL 80 70 17 from the INSERM and by the CNRS. This work was presented in part at the XVth EDBO International Embryological Conference. |
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