pubmed-article:15728181 | rdf:type | pubmed:Citation | lld:pubmed |
pubmed-article:15728181 | lifeskim:mentions | umls-concept:C0029432 | lld:lifeskim |
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pubmed-article:15728181 | lifeskim:mentions | umls-concept:C0205276 | lld:lifeskim |
pubmed-article:15728181 | lifeskim:mentions | umls-concept:C2911692 | lld:lifeskim |
pubmed-article:15728181 | lifeskim:mentions | umls-concept:C1706817 | lld:lifeskim |
pubmed-article:15728181 | lifeskim:mentions | umls-concept:C0443254 | lld:lifeskim |
pubmed-article:15728181 | lifeskim:mentions | umls-concept:C1533691 | lld:lifeskim |
pubmed-article:15728181 | lifeskim:mentions | umls-concept:C1708715 | lld:lifeskim |
pubmed-article:15728181 | lifeskim:mentions | umls-concept:C1880022 | lld:lifeskim |
pubmed-article:15728181 | lifeskim:mentions | umls-concept:C2346689 | lld:lifeskim |
pubmed-article:15728181 | lifeskim:mentions | umls-concept:C1515655 | lld:lifeskim |
pubmed-article:15728181 | lifeskim:mentions | umls-concept:C0331858 | lld:lifeskim |
pubmed-article:15728181 | pubmed:issue | 21 | lld:pubmed |
pubmed-article:15728181 | pubmed:dateCreated | 2005-5-23 | lld:pubmed |
pubmed-article:15728181 | pubmed:abstractText | Dentin matrix protein 1 (DMP1) is highly expressed in osteocytes and is mechanically responsive. To study osteocyte-specific and mechanically regulated DMP1 gene expression, the transcriptional activity of three cis-regulatory regions was first examined in an osteoblast differentiation model in vitro using a green fluorescent protein (GFP) reporter. Expression of the -9624 to +1996 bp (10 kb) and -7892 to +4439 bp (8 kb) DMP1 cis-regulatory regions dramatically increased in areas of mineralized matrix, in dendritic, osteocyte-like cells. Mineralizing cultures expressing the 8-kb construct show dramatic GFP increases in response to loading in cells with a dendritic morphology. Transgenic mice expressing the 8-kb DMP1-GFP and -2433 to +4439 bp (2.5 kb) DMP1-LacZ were generated. Osteocyte-specific expression was found with the 8 kb but not with the 2.5 kb in postnatal animals. However, the 2.5 kb could support expression in rapidly forming osteoblasts and pre-osteocytes in the embryo. Primary calvarial osteoblast cultures demonstrated that the 2.5 kb supports weak expression in a subset of osteoblasts and pre-osteocytes, but not in mature osteocytes. However, the 8 kb supports robust expression in primary bone marrow cultures. Therefore the region -7892 to -2433 bp, termed a 5.5-kb "Osteocyte Enhancer Module," appears to be required for osteocyte specificity. Ulnae of mice with the 8-kb DMP1-GFP were subjected to mechanical loading where GFP expression increased selectively and locally in osteocytes, distal to the mid-shaft and near the surface of the bone. Thus, the 8-kb region of the DMP1 gene is a target for mechanotransduction in osteocytes, and its cis-regulatory activity may be correlated to local strain in bone. | lld:pubmed |
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pubmed-article:15728181 | pubmed:language | eng | lld:pubmed |
pubmed-article:15728181 | pubmed:journal | http://linkedlifedata.com/r... | lld:pubmed |
pubmed-article:15728181 | pubmed:citationSubset | IM | lld:pubmed |
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pubmed-article:15728181 | pubmed:status | MEDLINE | lld:pubmed |
pubmed-article:15728181 | pubmed:month | May | lld:pubmed |
pubmed-article:15728181 | pubmed:issn | 0021-9258 | lld:pubmed |
pubmed-article:15728181 | pubmed:author | pubmed-author:RoblingAlexan... | lld:pubmed |
pubmed-article:15728181 | pubmed:author | pubmed-author:TurnerCharles... | lld:pubmed |
pubmed-article:15728181 | pubmed:author | pubmed-author:BonewaldLynda... | lld:pubmed |
pubmed-article:15728181 | pubmed:author | pubmed-author:LuYongboY | lld:pubmed |
pubmed-article:15728181 | pubmed:author | pubmed-author:GuoDayongD | lld:pubmed |
pubmed-article:15728181 | pubmed:author | pubmed-author:HarrisStephen... | lld:pubmed |
pubmed-article:15728181 | pubmed:author | pubmed-author:FengJian QJQ | lld:pubmed |
pubmed-article:15728181 | pubmed:author | pubmed-author:RoweDavid WDW | lld:pubmed |
pubmed-article:15728181 | pubmed:author | pubmed-author:Gluhak-Heinri... | lld:pubmed |
pubmed-article:15728181 | pubmed:author | pubmed-author:KalajzicIvoI | lld:pubmed |
pubmed-article:15728181 | pubmed:author | pubmed-author:KothaShivaS | lld:pubmed |
pubmed-article:15728181 | pubmed:author | pubmed-author:HarrisMarie... | lld:pubmed |
pubmed-article:15728181 | pubmed:author | pubmed-author:YangWuchenW | lld:pubmed |
pubmed-article:15728181 | pubmed:issnType | Print | lld:pubmed |
pubmed-article:15728181 | pubmed:day | 27 | lld:pubmed |
pubmed-article:15728181 | pubmed:volume | 280 | lld:pubmed |
pubmed-article:15728181 | pubmed:owner | NLM | lld:pubmed |
pubmed-article:15728181 | pubmed:authorsComplete | Y | lld:pubmed |
pubmed-article:15728181 | pubmed:pagination | 20680-90 | lld:pubmed |
pubmed-article:15728181 | pubmed:dateRevised | 2007-11-14 | lld:pubmed |
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pubmed-article:15728181 | pubmed:year | 2005 | lld:pubmed |
pubmed-article:15728181 | pubmed:articleTitle | Dentin matrix protein 1 gene cis-regulation: use in osteocytes to characterize local responses to mechanical loading in vitro and in vivo. | lld:pubmed |
pubmed-article:15728181 | pubmed:affiliation | Department of Periodontics and Cellular and Structural Biology, University of Texas, San Antonio, Texas 78229, USA. | lld:pubmed |
pubmed-article:15728181 | pubmed:publicationType | Journal Article | lld:pubmed |
pubmed-article:15728181 | pubmed:publicationType | Research Support, U.S. Gov't, P.H.S. | lld:pubmed |
pubmed-article:15728181 | pubmed:publicationType | Research Support, Non-U.S. Gov't | lld:pubmed |
pubmed-article:15728181 | pubmed:publicationType | Research Support, N.I.H., Extramural | lld:pubmed |
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