NDLI: Directing the differentiation of human dental follicle cells into cementoblasts and/or osteoblasts by a combination of HERS and pulp cells

Content Provider	Springer Nature Link
Author	Jung, Hyun Sung Lee, Dong Seol Lee, Ji Hyun Park, Su Jin Lee, Gene Seo, Byoung Moo Ko, Jea Seung Park, Joo Cheol
Copyright Year	2011
Abstract	It is known that the dental follicle (DF) consists of progenitor cells that give rise to the cementum, periodontal ligament, and alveolar bone; but little information is available about the regulation of DF cell differentiation into either cementogenic or osteogenic cell lineages for the regeneration of diseased periodontal tissue. Here, we investigated the roles of DF, Hertwig’s epithelial root sheath (HERS), and pulp cells in the cementum and during alveolar bone formation. We cultured these cells; transplanted them alone or in combination into immunocompromised mice; and observed their effects at 6 and 12 weeks. Histological and immunohistochemical results revealed that DF cells formed cementum-like tissues with immunoreactivity to cementum-derived attached protein, bone sialoprotein, type I collagen, and alkaline phosphatase. In addition, HERS cells played a role in the induction and maturation of cementum-like tissues formed by DF cells. In contrast, implants of DF cells in the presence of pulp cells led to the formation of bone-like tissues. Interestingly, in the presence of both HERS and pulp cells, DF cells formed both cementum-like and bone-like tissues. We demonstrated that while HERS cells are able to induce DF cell differentiation into cementoblasts and promote cementum formation, pulp cells could direct DF cell differentiation into osteoblasts and enhance alveolar bone formation. These results suggest that the combined use of DF, HERS, and pulp cells could direct DF cell differentiation into cementoblasts and/or osteoblasts in vivo, thus providing a novel strategy for the successful repair and regeneration of diseased periodontal tissue.
Starting Page	227
Ending Page	235
Page Count	9
File Format	PDF
ISSN	15672379
Journal	The Histochemical Journal
Volume Number	42
Issue Number	3
e-ISSN	15672387
Language	English
Publisher	Springer Netherlands
Publisher Date	2011-04-22
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Dental follicle cell Pulp cell HERS Cementum Alveolar bone Biomedicine general Developmental Biology Cell Biology
Content Type	Text
Resource Type	Article
Subject	Cell Biology Physiology Histology

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