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Related Experiment Videos

Bone sialoprotein is localized to the root surface during cementogenesis

R L Macneil1, N Sheng, C Strayhorn

  • 1Department of Periodontics/Prevention and Geriatric, School of Dentistry, University of Michigan, Ann Arbor.

Journal of Bone and Mineral Research : the Official Journal of the American Society for Bone and Mineral Research
|October 1, 1994
PubMed
Summary

Bone sialoprotein (BSP) is crucial for tooth root formation. This study found BSP in developing alveolar bone and cementum, indicating its role in mineralization and tooth root development.

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Area of Science:

  • Biochemistry
  • Developmental Biology
  • Oral Biology

Background:

  • Bone sialoprotein (BSP) is an RGD-containing protein known for its cell attachment properties.
  • BSP is thought to regulate biomineralization in various connective tissues.

Purpose of the Study:

  • To investigate the role of BSP in tooth root formation.
  • To analyze the localization and expression of BSP during murine dentoalveolar development.

Main Methods:

  • Immunohistochemical analysis of murine dentoalveolar tissues at different developmental stages.
  • Northern blot analysis of dental follicle tissue at day 27 of tooth development.

Main Results:

  • BSP was detected in alveolar bone and cementum during initial mineralization phases.

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  • BSP mRNA was expressed by dental follicle cells during the initiation of cementogenesis.

    • Conclusions:

    • BSP is present in key areas of tooth root formation.
    • These findings suggest BSP plays a significant role in cementum formation and mineralization.