Unraveling the mechanistic links between blood pressure regulation and calcium-magnesium homeostasis: Insights into hypertension, hyperparathyroidism, and mineral disorders
Pritha Dutta, Anita T. Layton, Toshio Matsumoto, Toshio Matsumoto, Toshio Matsumoto, Toshio Matsumoto
TL;DR
This study explores how blood pressure and calcium-magnesium balance are connected, using a model to understand conditions like hypertension and hyperparathyroidism.
Contribution
A novel computational model integrating blood pressure and calcium-magnesium homeostasis in rats is developed and validated.
Findings
Hypertension simulations show significant effects on PTH, calcitriol, and renal handling of Ca2+/Mg2+.
Mg2+ deficiency was predicted to have a stronger effect on elevating mean arterial pressure than Ca2+ or vitamin D3 deficiencies.
Primary hyperparathyroidism simulations predicted increased PTH, Ca2+, and calcitriol, leading to higher blood pressure and bone loss.
Abstract
The systems regulating blood pressure and calcium-magnesium (Ca2+-Mg2+) homeostasis are increasingly recognized to have clinically relevant interactions, where alterations in one can lead to significant changes in the other. In this study, we developed a computational model integrating blood pressure regulation and Ca2+-Mg2+ homeostasis in a male rat. We simulated various conditions, including hypertension, Ca2+, Mg2+, and vitamin D3 deficiencies, and primary hyperparathyroidism. Simulations of hypertension, induced by various stimuli like increased renin or aldosterone secretion, demonstrated significant effects on parathyroid hormone (PTH), calcitriol, renal Ca2+/Mg2+ handling, and bone resorption. Dietary Ca2+, Mg2+, and vitamin D3 deficiencies was predicted to elevate mean arterial pressure, with Mg2+ deficiency having a stronger effect. Furthermore, the model predicted that primary…
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Taxonomy
TopicsMagnesium in Health and Disease · Parathyroid Disorders and Treatments · Ion Transport and Channel Regulation