| http://purl.uniprot.org/citations/23880346 | http://www.w3.org/1999/02/22-rdf-syntax-ns#type | http://purl.uniprot.org/core/Journal_Citation |
| http://purl.uniprot.org/citations/23880346 | http://www.w3.org/2000/01/rdf-schema#comment | "In senile osteoporosis the balance of adipogenesis and osteoblastogenesis in bone marrow stromal cells (BMSCs) is disrupted so that adipogenesis is increased with respect to osteoblastogenesis, and as a result, bone mass is decreased. While the molecular mechanisms controlling the balance between osteoblastogenesis and adipogenesis are of great interest, the exact nature of the signals regulating this process remains to be determined. In general, adipogenesis is a reciprocal relationship with osteoblastogenesis in BMSCs. Recently transducin-like enhancer of split 3 (TLE3), was reported to enhance adipogenesis in pre adipocytes. However, the effect of TLE3 on osteoblast differentiation of BMSCs is completely unknown. Here we report that TLE3 not only enhances adipocyte differentiation in BMSCs but also suppresses osteoblast differentiation. Firstly we examined the expression and localization of TLE3. We found that TLE3 is expressed in the nucleus of bone marrow stromal cells and that over-expression of TLE3 induced adipocyte differentiation and suppressed ALP activity induced by treatment with BMP2 in these cells. In contrast, adipocyte differentiation was decreased and ALP activity increased when endogenous TLE3 was knocked down by shRNA in BMSCs. To examine the mechanism by which TLE3 is able to suppress osteoblast differentiation, we focused on Runx2, a transcription factor essential for osteoblast differentiation. We found that TLE3 strongly suppressed ALP activity and OSE2-luciferase activity induced by Runx2 and this repression of Runx2 by TLE3 occurs via HDACs because treatment with TSA, a class I and II HDAC inhibitor, rescued this repression. In conclusion, we identify TLE3 as a suppressor of BMSC differentiation in osteoblast lineage cells in vitro. Our data suggest that TLE3 activity may be a key in balancing adipocyte and osteoblast differentiation in the adult bone marrow microenvironment."xsd:string |
| http://purl.uniprot.org/citations/23880346 | http://purl.org/dc/terms/identifier | "doi:10.1016/j.bbrc.2013.07.054"xsd:string |
| http://purl.uniprot.org/citations/23880346 | http://purl.uniprot.org/core/author | "Nguyen T."xsd:string |
| http://purl.uniprot.org/citations/23880346 | http://purl.uniprot.org/core/author | "Sato T."xsd:string |
| http://purl.uniprot.org/citations/23880346 | http://purl.uniprot.org/core/author | "Katagiri T."xsd:string |
| http://purl.uniprot.org/citations/23880346 | http://purl.uniprot.org/core/author | "Kokabu S."xsd:string |
| http://purl.uniprot.org/citations/23880346 | http://purl.uniprot.org/core/author | "Ohte S."xsd:string |
| http://purl.uniprot.org/citations/23880346 | http://purl.uniprot.org/core/author | "Yoda T."xsd:string |
| http://purl.uniprot.org/citations/23880346 | http://purl.uniprot.org/core/author | "Rosen V."xsd:string |
| http://purl.uniprot.org/citations/23880346 | http://purl.uniprot.org/core/date | "2013"xsd:gYear |
| http://purl.uniprot.org/citations/23880346 | http://purl.uniprot.org/core/name | "Biochem Biophys Res Commun"xsd:string |
| http://purl.uniprot.org/citations/23880346 | http://purl.uniprot.org/core/pages | "205-210"xsd:string |
| http://purl.uniprot.org/citations/23880346 | http://purl.uniprot.org/core/title | "TLE3, transducing-like enhancer of split 3, suppresses osteoblast differentiation of bone marrow stromal cells."xsd:string |
| http://purl.uniprot.org/citations/23880346 | http://purl.uniprot.org/core/volume | "438"xsd:string |
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