Journal of Molecular Histology

, Volume 48, Issue 5–6, pp 337–345 | Cite as

Inhibition of chondroitin sulfate glycosaminoglycans incorporation affected odontoblast differentiation in cultured embryonic mouse molars

  • Lipei Liu
  • Weiting Chen
  • Lefeng Li
  • Fangfang Xu
  • Beizhan JiangEmail author
Original Paper


Chondroitin sulfate proteoglycan (CSPG) is an important component of extracellular matrix (ECM), it is composed of a core protein and one or more chondroitin sulfate glycosaminoglycan side chains (CS-GAGs). To investigate the roles of its CS-GAGs in dentinogenesis, the mouse mandibular first molar tooth germs at early bell stage were cultivated with or without β-xyloside. As expected, the CS-GAGs were inhibited on their incorporation to CSPGs by β-xyloside, accompanied by the change of morphology of the cultured tooth germs. The histological results and the transmission electron microscopy (TEM) investigation indicated that β-xyloside exhibited obvious inhibiting effects on odontoblasts differentiation compared with the control group. Meanwhile the results of immunohistochemistry, in situ hybridization and quantitative RT-PCR for type I collagen, dentin matrix acidic phosphoprotein 1 and dentin sialophosphoprotein, the products of differentiated odontoblasts, further proved that odontoblasts differentiation was inhibited. Collagen fibers detected in TEM decreased and arranged in disorder as well. Thus we conclude that the inhibition of CS-GAGs incorporation to CSPGs can affect odontoblast differentiation in cultured embryonic mouse molars.


Chondroitin sulfate proteoglycans Glycosaminoglycan β-Xyloside Odontoblast Dentinogenesis 



Financial support for this study was provided by Shanghai Science and Technology Commission Program (Nos. 124119A7400 and 15411965800).

Author contributions

The manuscript was written through contributions of all authors. All authors approve the final version of the manuscript.

Compliance with ethical standards

Conflict of interest

The authors disclose no potential conflicts of interest.


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Copyright information

© Springer Science+Business Media B.V. 2017

Authors and Affiliations

  • Lipei Liu
    • 1
  • Weiting Chen
    • 1
  • Lefeng Li
    • 1
  • Fangfang Xu
    • 1
  • Beizhan Jiang
    • 1
    Email author
  1. 1.Department of Endodontics, School & Hospital of Stomatology, Tongji UniversityShanghai Engineering Research Center of Tooth Restoration and RegenerationShanghaiPeople’s Republic of China

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