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http://hdl.handle.net/10261/164287
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Campo DC | Valor | Lengua/Idioma |
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dc.contributor.author | Ruiz, Paula | - |
dc.contributor.author | Martin-Millan, Marta | - |
dc.contributor.author | Gonzalez-Martin, Carmen | - |
dc.contributor.author | Almeida, Maria | - |
dc.contributor.author | González-Macias, Jesús | - |
dc.contributor.author | Ros, María A. | - |
dc.date.accessioned | 2018-04-27T10:40:21Z | - |
dc.date.available | 2018-04-27T10:40:21Z | - |
dc.date.issued | 2016 | - |
dc.identifier | doi: 10.1038/srep36201 | - |
dc.identifier | e-issn: 2045-2322 | - |
dc.identifier.citation | Scientific Reports 6: 36201 (2016) | - |
dc.identifier.uri | http://hdl.handle.net/10261/164287 | - |
dc.description.abstract | It is well established that activation of Wnt/βcatenin signaling in the osteoblast lineage leads to an increase in bone mass through a dual mechanism: increased osteoblastogenesis and decreased osteoclastogenesis. However, the effect of this pathway on the osteoclast lineage has been less explored. Here, we aimed to examine the effects of Wnt/βcatenin signaling in mature osteoclasts by generating mice lacking βcatenin in CathepsinK-expressing cells (Ctnnb1;CtsKCre mice). These mice developed a severe low-bone-mass phenotype with onset in the second month and in correlation with an excessive number of osteoclasts, detected by TRAP staining and histomorphometric quantification. We found that WNT3A, through the canonical pathway, promoted osteoclast apoptosis and therefore attenuated the number of M-CSF and RANKL-derived osteoclasts in vitro. This reveals a cell-autonomous effect of Wnt/βcatenin signaling in controlling the life span of mature osteoclasts. Furthermore, bone Opg expression in Ctnnb1;CtsKCre mice was dramatically decreased pointing to an additional external activation of osteoclasts. Accordingly, expression of CathepsinK was detected in TRAP-negative cells of the inner periosteal layer also expressing Col1. Our results indicate that the bone phenotype of Ctnnb1;CtsKCre animals combines a cell-autonomous effect in the mature osteoclast with indirect effects due to the additional targeting of osteoblastic cells. | - |
dc.description.sponsorship | This work was supported by grant ISCIII PI12/01405 to JGM and grant BFU2014-57216-P to MAR from the Spanish Government and R01AR056679 from NIAMS/NIH to MA. | - |
dc.publisher | Nature Publishing Group | - |
dc.relation | info:eu-repo/grantAgreement/MINECO/Plan Estatal de Investigación Científica y Técnica y de Innovación 2013-2016/BFU2014-57216-P | - |
dc.relation.isversionof | Publisher's version | - |
dc.rights | openAccess | - |
dc.title | CathepsinKCre mediated deletion of βcatenin results in dramatic loss of bone mass by targeting both osteoclasts and osteoblastic cells | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1038/srep36201 | - |
dc.relation.publisherversion | https://doi.org/10.1038/srep36201 | - |
dc.date.updated | 2018-04-27T10:40:21Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | eng | - |
dc.rights.license | http://creativecommons.org/licenses/by/4.0/ | - |
dc.contributor.funder | National Institutes of Health (US) | - |
dc.contributor.funder | Instituto de Salud Carlos III | - |
dc.contributor.funder | Ministerio de Economía y Competitividad (España) | - |
dc.relation.csic | Sí | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100003329 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/100000002 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100004587 | es_ES |
dc.identifier.pmid | 27804995 | - |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.fulltext | With Fulltext | - |
item.cerifentitytype | Publications | - |
item.openairetype | artículo | - |
item.grantfulltext | open | - |
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cathepsinKCRE.pdf | 3,89 MB | Adobe PDF | Visualizar/Abrir |
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