Calcitriol ELISA kits are designed for the specific detection of calcitriol in biological samples. Calcitriol is a compound that is metabolized in humans and can be detected in fecal and serum samples. It has the chemical formula C27H44O3. Calcitriol, the active form of vitamin D, is primarily produced in the kidney through enzymatic hydroxylation of 25-hydroxycholecalciferol. Stimulated by low blood calcium levels and parathyroid hormone, calcitriol enhances intestinal absorption of calcium and phosphorus, and, in collaboration with parathyroid hormone, increases bone resorption.
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1 Human Metabolome Database (HMDB) v5.0