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[Vitamin D 1980--a stocktaking (author's transl)]
Klinische Wochenschrift
|June 1, 1981
Summary
Vitamin D3 metabolites, especially 1,25-dihydroxyvitamin D3 synthesized in the kidney, are crucial for calcium and phosphorus regulation. Disturbances in vitamin D metabolism can arise from various diseases affecting these vital functions.
Area of Science:
- Endocrinology
- Metabolic Biochemistry
Context:
- Vitamin D3 metabolites play a critical role in calcium and phosphorus homeostasis.
- 1,25-dihydroxyvitamin D3, the active form, is primarily synthesized in the kidneys.
- Its production is tightly regulated by hormonal stimuli and requires healthy renal tissue.
Purpose:
- To review the central role of vitamin D3 metabolites in calcium and phosphorus metabolism.
- To highlight the significance of 1,25-dihydroxyvitamin D3 and its renal synthesis.
- To discuss potential disturbances in vitamin D metabolism due to various diseases.
Summary:
- 1,25-dihydroxyvitamin D3 regulates calcium and phosphorus, with kidney synthesis being essential.
- Diseases affecting the kidneys can disrupt vitamin D metabolism.
- Beyond classical targets, 1,25-dihydroxyvitamin D3 may impact parathyroid glands, pituitary, pancreas, and skin; 24,25-dihydroxyvitamin D3's role is under investigation.
Impact:
- Understanding vitamin D metabolism is crucial for managing metabolic bone diseases and kidney disorders.
- Identifies potential extra-renal targets for vitamin D action, opening new research avenues.
- Emphasizes the need for further research into the complete metabolic fate and biological significance of vitamin D3 and its metabolites.