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Effect ofSolanum malacoxylon on the serum levels of calcium and phosphate in thyroparathyroidectomized and rachitic rats

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Abstract

The administration ofSolanum malacoxylon (SM) produced a transient rise of serum phosphate and an early decrease of serum calcium in control and thyroparathyroidectomized (TPTX) rats. Daily doses of SM caused a greater increase of serum calcium in TPTX than in control rats and also raised serum calcium significantly in vitamin D deficient rats. SM appears to act on calcium and phosphate metabolism without mediation of parathyroid hormone, calcitonin or vitamin D.

Résumé

L'administration deSolanum Malacoxylon (SM) provoque une augmentation transitoire du phosphate sérique et une diminution précoce du calcium sérique chez des rats témoins et thyro-parathyroidectomisés (TPTX). Les doses quotidiennes de SM provoquent une plus grande augmentation du calcium sérique chez les TPTX que chez les rats témoins et augmentent aussi de façon significative la calcium sérique chez des rats déficients en vitamine D. SM semble agir sur le métabolisme du calcium et du phosphate sans passer par l'intermédiaire de parathormone, de la calcitonine ou de la vitamine D.

Zusammenfassung

Die Verabreichung vonSolanum Malacoxylon (SM) bewirkte eine vorübergehende Erhöhung des Serumphosphates und eine frühe Abnahme des Serumcalciums in Kontroll- und thyroparathyreoidektomierten (TPTX) Ratten. Tägliche Gaben von SM führten zu einem größeren Anstieg von Serumcalcium in TPTX- als in Kontrollratten und bewirkten auch in Vitamin-D-Mangelratten eine signifikante Erhöhung des Serumcalciums. SM scheint unabhängig von Parathormon, Calcitonin oder Vitamin D auf den Calcium- und Phosphat-Stoffwechsel zu wirken.

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Campos, C., Ladizesky, M. & Mautalen, C. Effect ofSolanum malacoxylon on the serum levels of calcium and phosphate in thyroparathyroidectomized and rachitic rats. Calc. Tis Res. 13, 245–248 (1973). https://doi.org/10.1007/BF02015414

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  • DOI: https://doi.org/10.1007/BF02015414

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