Abstract：
:Eruption requires synchrony of the tooth with the surrounding tissues, particularly the bone. One important step during eruption is remodelling of the alveolar bone at the base of the tooth and along the roots. Expression of BMP6 was reported to be increased in the basal half of the dental follicle prior to eruption and inhibition of BMP6 affected bone formation at the base of the alveolar crypt. The aim of this study was to further investigate BMP6 protein in relation to tooth eruption and the corresponding bone remodelling using temporospatial correlations of BMP6 localization with morphogenetic events (proliferation, differentiation, apoptosis and bone apposition/resorption), other BMPs (BMP2 and BMP7) and three-dimensional images of tooth-bone development. BMP6 expression pattern was mapped in the mandibular molar teeth and related structures around eruption. Localization of BMP6 dominated in osteoblasts, in regions of bone formation within the alveolar crypt. These findings positively correlated with proliferation at the tooth base region, osteocalcin expression in the osteoblasts/osteocytes and BMP2 and BMP7 presence in the alveolar bone surrounding the tooth. Osteoclast activity and apoptotic elimination in the root region gradually decreased before eruption and totally ceased at eruption stages. Generally, BMP6 positively correlated with BMP2, BMP7 and osteocalcin-positive osteoblasts, and areas of bone remodelling. Moreover, BMP6 was found in the periodontium and cementoblasts. BMP6 expression in the alveolar bone accompanied tooth eruption. Notably, the expression pattern of BMP6 in the bone did not differ around individual molar teeth at the same stage of development. The expression of BMP6 in periodontal ligaments may contribute to interaction between the tooth and bone during the eruption and anchoring process.
journal_name
Connect Tissue Resjournal_title
Connective tissue researchauthors
Oralová V,Chlastáková I,Radlanski RJ,Matalová Edoi
10.3109/03008207.2014.951441subject
Has Abstractpub_date
2014-10-01 00:00:00pages
357-66issue
5-6eissn
0300-8207issn
1607-8438journal_volume
55pub_type
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journal_title：Connective tissue research
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journal_title：Connective tissue research
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journal_title：Connective tissue research
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journal_title：Connective tissue research
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journal_title：Connective tissue research
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更新日期：1995-01-01 00:00:00
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journal_title：Connective tissue research
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更新日期：2020-03-01 00:00:00
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更新日期：2000-01-01 00:00:00
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