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The interaction of lithium and time-of-day on calcium, magnesium, parathyroid hormone, and calcitonin in rats
Journal article   Peer reviewed

The interaction of lithium and time-of-day on calcium, magnesium, parathyroid hormone, and calcitonin in rats

Donald L. McEachron, Daniel F. Kripke, Maryruth Eaves, Linda Lenhard, Dennis Pavlinac and Leonard Deftos
Psychiatry research, v 7(1), pp 121-131
1982
PMID: 6813887

Abstract

calcium circadian rhythms Lithium magnesium mineral regulation
Effects of lithium on the concentrations and temporal patterns of serum and cerebellar calcium and magnesium, parathyroid hormone, and calcitonin were studied in 186 rats sacrificed around 24 hours of clock time. Serum calcium, serum and cerebellar magnesium, and parathyroid hormone were increased and calcitonin decreased in lithium-fed animals. Lithium-fed rats also showed different temporal patterns in serum calcium, parathyroid hormone, cerebellar magnesium, and calcitonin. Data support the hypothesis that lithium competes for calcium receptor sites, causing a compensatory increase in parathyroid hormone and decrease in calcitonin until a new, higher set-point for calcium is established. Lithium strongly affected biological rhythms, an effect which may account in part for the diverse literature on lithium's influence on calcium and magnesium regulation.

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Collaboration types
Domestic collaboration
Web of Science research areas
Psychiatry
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