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Related Experiment Video

Updated: May 2, 2026

Isolation of Mesenchymal Stem Cells from Human Alveolar Periosteum and Effects of Vitamin D on Osteogenic Activity of Periosteum-derived Cells
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Vitamin D endocrine system and osteocytes.

Beate Lanske1, Michael J Densmore1, Reinhold G Erben2

  • 1Department of Oral Medicine, Infection and Immunity, Harvard School of Dental Medicine , Boston, MA, USA.

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Osteocytes, crucial bone cells, coordinate remodeling and regulate calcium and phosphate homeostasis. Vitamin D signaling in osteocytes is vital for bone health and systemic mineral balance.

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Area of Science:

  • Bone Biology
  • Endocrinology
  • Mineral Metabolism

Background:

  • Osteocytes, the most abundant bone cells, have underestimated physiological roles.
  • They are key regulators of bone remodeling and calcium/phosphate homeostasis.
  • Vitamin D and osteocytes exhibit complex interactions crucial for bone health.

Purpose of the Study:

  • To review the current understanding of vitamin D signaling in osteocytes.
  • To explore the interplay between vitamin D and osteocyte functions.
  • To highlight the physiological and clinical significance of these interactions.

Main Methods:

  • Literature review of existing research on osteocytes and vitamin D.
  • Analysis of the endocrine and local regulatory roles of vitamin D in bone.
  • Discussion of current knowledge gaps and areas for future research.

Main Results:

  • Osteocytes coordinate bone remodeling and possess endocrine functions.
  • Active vitamin D (1,25(OH)2D3) influences osteocyte production of FGF23.
  • Osteocytes may produce 1,25(OH)2D3, with its specific role under investigation.

Conclusions:

  • Vitamin D signaling is integral to osteocyte function in bone remodeling and mineral homeostasis.
  • Further research is needed to elucidate the precise roles of osteocyte-derived vitamin D.
  • Understanding these interactions is critical for addressing bone-related disorders.