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http://purl.uniprot.org/citations/31922317http://www.w3.org/1999/02/22-rdf-syntax-ns#typehttp://purl.uniprot.org/core/Journal_Citation
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Objective

The aim of this study is to investigate the role and potential mechanism of p75NTR in mineralization in vivo using p75NTR-knockout mice and in vitro using ectomesenchymal stem cells (EMSCs).

Materials and methods

Femur bone mass and daily incisor mineralization speed were assessed in an in vivo p75NTR-knockout mouse model. The molecular signatures alkaline phosphatase (ALP), collagen type 1 (Col1), melanoma-associated antigen (Mage)-D1, bone sialoprotein (BSP), osteocalcin (OCN), osteopontin (OPN), distal-less homeobox 1 (Dlx1) and Msh homeobox 1 (Msx1) were examined in vitro in EMSCs isolated from p75NTR+/+ and p75NTRExIII-/- mice.

Results

p75NTR-knockout mice were smaller in body size than heterozygous and wild-type mice. Micro-computed tomography and structural quantification showed that the osteogenic ability of p75NTRExIII -knockout mice was significantly decreased compared with that of wild-type mice (P < .05). Weaker ALP and alizarin red staining and reduced expression of ALP, Col1, Runx2, BSP, OCN and OPN were also observed in p75NTRExIII-/- EMSCs. Moreover, the distance between calcein fluorescence bands in p75NTRExIII -knockout mice was significantly smaller than that in wild type and heterozygous mice (P < .05), indicating the lower daily mineralization speed of incisors in p75NTRExIII -knockout mice. Further investigation revealed a positive correlation between p75NTR and Mage-D1, Dlx1, and Msx1.

Conclusion

p75NTR not only promotes osteogenic differentiation and tissue mineralization, but also shows a possible relationship with the circadian rhythm of dental hard tissue formation."xsd:string
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http://purl.uniprot.org/citations/31922317http://purl.uniprot.org/core/author"Liu C."xsd:string
http://purl.uniprot.org/citations/31922317http://purl.uniprot.org/core/author"Li J."xsd:string
http://purl.uniprot.org/citations/31922317http://purl.uniprot.org/core/author"Li G."xsd:string
http://purl.uniprot.org/citations/31922317http://purl.uniprot.org/core/author"Song J."xsd:string
http://purl.uniprot.org/citations/31922317http://purl.uniprot.org/core/author"Wang Y."xsd:string
http://purl.uniprot.org/citations/31922317http://purl.uniprot.org/core/author"Zhao M."xsd:string
http://purl.uniprot.org/citations/31922317http://purl.uniprot.org/core/author"Yang K."xsd:string
http://purl.uniprot.org/citations/31922317http://purl.uniprot.org/core/author"Wen X."xsd:string
http://purl.uniprot.org/citations/31922317http://purl.uniprot.org/core/date"2020"xsd:gYear
http://purl.uniprot.org/citations/31922317http://purl.uniprot.org/core/name"Cell Prolif"xsd:string
http://purl.uniprot.org/citations/31922317http://purl.uniprot.org/core/pages"e12758"xsd:string
http://purl.uniprot.org/citations/31922317http://purl.uniprot.org/core/title"The role and potential mechanism of p75NTR in mineralization via in vivo p75NTR knockout mice and in vitro ectomesenchymal stem cells."xsd:string
http://purl.uniprot.org/citations/31922317http://purl.uniprot.org/core/volume"53"xsd:string
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