| pubmed-article:19929441 | rdf:type | pubmed:Citation | lld:pubmed |
| pubmed-article:19929441 | lifeskim:mentions | umls-concept:C0035647 | lld:lifeskim |
| pubmed-article:19929441 | lifeskim:mentions | umls-concept:C0262950 | lld:lifeskim |
| pubmed-article:19929441 | lifeskim:mentions | umls-concept:C0920502 | lld:lifeskim |
| pubmed-article:19929441 | lifeskim:mentions | umls-concept:C0043240 | lld:lifeskim |
| pubmed-article:19929441 | lifeskim:mentions | umls-concept:C0205123 | lld:lifeskim |
| pubmed-article:19929441 | lifeskim:mentions | umls-concept:C0442030 | lld:lifeskim |
| pubmed-article:19929441 | lifeskim:mentions | umls-concept:C0037083 | lld:lifeskim |
| pubmed-article:19929441 | lifeskim:mentions | umls-concept:C1710082 | lld:lifeskim |
| pubmed-article:19929441 | lifeskim:mentions | umls-concept:C0439659 | lld:lifeskim |
| pubmed-article:19929441 | lifeskim:mentions | umls-concept:C1705241 | lld:lifeskim |
| pubmed-article:19929441 | lifeskim:mentions | umls-concept:C1516240 | lld:lifeskim |
| pubmed-article:19929441 | lifeskim:mentions | umls-concept:C2825501 | lld:lifeskim |
| pubmed-article:19929441 | lifeskim:mentions | umls-concept:C1705242 | lld:lifeskim |
| pubmed-article:19929441 | pubmed:issue | 7 | lld:pubmed |
| pubmed-article:19929441 | pubmed:dateCreated | 2010-8-31 | lld:pubmed |
| pubmed-article:19929441 | pubmed:abstractText | Calvarial bones arise from two embryonic tissues, namely, the neural crest and the mesoderm. In this study we have addressed the important question of whether disparate embryonic tissue origins impart variable osteogenic potential and regenerative capacity to calvarial bones, as well as what the underlying molecular mechanism(s). Thus, by performing in vitro and in vivo studies, we have investigated whether differences exist between neural crest-derived frontal and paraxial mesodermal-derived parietal bone. Of interest, our data indicate that calvarial bone osteoblasts of neural crest origin have superior potential for osteogenic differentiation. Furthermore, neural crest-derived frontal bone displays a superior capacity to undergo osseous healing compared with calvarial bone of paraxial mesoderm origin. Our study identified both in vitro and in vivo enhanced endogenous canonical Wnt signaling in frontal bone compared with parietal bone. In addition, we demonstrate that constitutive activation of canonical Wnt signaling in paraxial mesodermal-derived parietal osteoblasts mimics the osteogenic potential of frontal osteoblasts, whereas knockdown of canonical Wnt signaling dramatically impairs the greater osteogenic potential of neural crest-derived frontal osteoblasts. Moreover, fibroblast growth factor 2 (FGF-2) treatment induces phosphorylation of GSK-3beta and increases the nuclear levels of beta-catenin in osteoblasts, suggesting that enhanced activation of Wnt signaling might be mediated by FGF. Taken together, our data provide compelling evidence that indeed embryonic tissue origin makes a difference and that active canonical Wnt signaling plays a major role in contributing to the superior intrinsic osteogenic potential and tissue regeneration observed in neural crest-derived frontal bone. | lld:pubmed |
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| pubmed-article:19929441 | pubmed:language | eng | lld:pubmed |
| pubmed-article:19929441 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
| pubmed-article:19929441 | pubmed:citationSubset | IM | lld:pubmed |
| pubmed-article:19929441 | pubmed:chemical | http://linkedlifedata.com/r... | lld:pubmed |
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| pubmed-article:19929441 | pubmed:status | MEDLINE | lld:pubmed |
| pubmed-article:19929441 | pubmed:month | Jul | lld:pubmed |
| pubmed-article:19929441 | pubmed:issn | 1523-4681 | lld:pubmed |
| pubmed-article:19929441 | pubmed:author | pubmed-author:LongakerMicha... | lld:pubmed |
| pubmed-article:19929441 | pubmed:author | pubmed-author:LiShuliS | lld:pubmed |
| pubmed-article:19929441 | pubmed:author | pubmed-author:QuartoNatalin... | lld:pubmed |
| pubmed-article:19929441 | pubmed:author | pubmed-author:WanDerrick... | lld:pubmed |
