Systemic mineral pool

The systemic mineral pool represents the total body reservoir of essential minerals, including calcium, phosphorus, and magnesium, which are critical for skeletal integrity and cellular signaling [1]. This pool is not a single molecular entity but a physiological compartment maintained by the coordinated actions of the parathyroid glands, kidneys, intestines, and bone [1][2]. Hormonal regulators such as parathyroid hormone (PTH), 1,25-dihydroxyvitamin D, and fibroblast growth factor 23 (FGF23) manage the flux of minerals into and out of this pool to maintain serum concentrations within narrow physiological ranges [1][3]. In disease states like osteoporosis or chronic kidney disease-mineral and bone disorder (CKD-MBD), the balance of this pool is disrupted, leading to skeletal fragility or pathological calcification [3]. Therapeutic interventions target specific proteins, such as the Vitamin D Receptor (VDR) or the Calcium-Sensing Receptor (CaSR), to indirectly modulate the systemic mineral pool and restore homeostasis [2][3]. Consequently, while the pool itself is a physiological concept rather than a discrete protein, it serves as the primary endpoint for various pharmacological treatments aimed at metabolic bone and mineral disorders [1]. Monitoring the pool involves measuring serum electrolytes and bone turnover markers to ensure therapeutic efficacy and safety [1][3].

Other names

Mineral reservoirExtracellular mineral poolBone mineral poolBody mineral stores

Pharmacological agents modulate the systemic mineral pool by altering intestinal absorption, renal reabsorption, or the rate of bone resorption and formation [1][2].