The role of parathyroid hormone and calcitonin in magnesium absorption in the rat small intestine |
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| Authors: | W Engelhardt R Schuhmann P O Schwille A Geus |
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| Institution: | (1) Division of Experimental Surgery and Endocrine Research Laboratory, Department of Surgery, University of Erlangen, D-8520 Erlangen, (Federal Republic of Germany) |
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| Abstract: | Summary We studied duodenal and ileal magnesium (Mg) absorption in intact, parathyroidectomized (PTX), thyroid-(TX) and thyroparathyroidectomized (TPTX) rats with iodine hormones replaced, and, additionally, in PTX rats receiving bovine parathyroid hormone 1–34 and 1,25-dihydroxyvitamin D3, respectively. Ma absorption was reduced after PTX and TPTX in the duodenum, but not in the ileum, whereas TX had no influence on duodenal or ileal Mg absorption. Both bovine parathyroid hormone 1–34 and 1,25-dihydroxyvitamin D3 increased Mg absorption in the duodenum and the ileum in PTX rats.Acknowledgments. We are grateful to B. Schreiber, K. Schwille and I. Goldberg for technical and secretarial help. Supported by Deutsche Forschungsgemeinschaft (Schw 210/3). Reprint requests to P.O.S., University Hospital, Maximiliansplatz, D-8520 Erlangen. |
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