http://rdf.ncbi.nlm.nih.gov/pubchem/patent/US-2012115787-A9
Outgoing Links
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|---|---|
| assignee | http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_c7d4dc2feb202dd96aaa35f8c54a2983 http://rdf.ncbi.nlm.nih.gov/pubchem/patentassignee/MD5_fad57abc23a66d5aafc44913546f294e |
| classificationCPCAdditional | http://rdf.ncbi.nlm.nih.gov/pubchem/patentcpc/G01N2500-00 |
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| classificationIPCInventive | http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01N33-68 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01N33-53 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01N33-50 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K38-17 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G01N33-48 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/G06F19-00 http://rdf.ncbi.nlm.nih.gov/pubchem/patentipc/A61K9-68 |
| filingDate | 2005-03-18-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| inventor | http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_2ef82bdcb5678c17cf1d2c36a06ad948 http://rdf.ncbi.nlm.nih.gov/pubchem/patentinventor/MD5_a7262a435d6b0c484db793ac622f7190 |
| publicationDate | 2012-05-10-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| publicationNumber | US-2012115787-A9 |
| titleOfInvention | Sclerostin and the inhibition of WNT signaling and bone formation |
| abstract | The loss of the SOST gene product sclerostin leads to sclerosteosis characterized by high bone mass (HBM). In this report, we found that sclerostin could antagonize canonical Wnt signaling in human embryonic kidney A293 cells and mouse osteoblastic MC3T3 cells. This sclerostin-mediated antagonism could be reversed by over-expression of Wnt coreceptor LRP5. In addition, we found that sclerostin bound to LRP5 as well as LRP6 and identified the first two YWTD-EGF repeat domains of LRP5 as being responsible for the binding. Although these two repeat domains are required for transducing canonical Wnt signals, canonical Wnt did not appear to compete with sclerostin for binding to LRP5. Examination of the expression of sclerostin and Wnt7b, an autocrine canonical Wnt, during primary calvarial osteoblast differentiation revealed that sclerostin is expressed at the late stages of osteoblast differentiation coinciding with the expression of osteogenic marker osteocalcin and trailing after the expression of Wnt7b. Given the plethora of evidence indicating that canonical Wnt signaling stimulates osteogenesis, we believe that the HBM phenotype associated with the loss of sclerostin may at least in part be attributed to an increase in canonical Wnt signaling resulting from the reduction in sclerostin-mediated Wnt antagonism. |
| priorityDate | 2003-09-22-04:00^^<http://www.w3.org/2001/XMLSchema#date> |
| type | http://data.epo.org/linked-data/def/patent/Publication |
Incoming Links
Total number of triples: 38.