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http://hdl.handle.net/10261/109655
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dc.contributor.author | Anjos, Liliana | - |
dc.contributor.author | Gomes, Ana S. | - |
dc.contributor.author | Redruello, Begoña | - |
dc.contributor.author | Reinhardt, Richard | - |
dc.contributor.author | Canario, Adelino V. M. | - |
dc.contributor.author | Power, Deborah M. | - |
dc.date.accessioned | 2015-01-22T12:10:04Z | - |
dc.date.available | 2015-01-22T12:10:04Z | - |
dc.date.issued | 2013-09-15 | - |
dc.identifier | doi: 10.1016/j.ygcen.2013.05.014 | - |
dc.identifier | issn: 0016-6480 | - |
dc.identifier.citation | General and Comparative Endocrinology 191: 102-112 (2013) | - |
dc.identifier.uri | http://hdl.handle.net/10261/109655 | - |
dc.description.abstract | Endocrine factors play an essential role in the formation and turnover of the skeleton in vertebrates. In the present study sea bream vertebral bone transcripts for PTH1R and PTH3R were identified and the action of intermittent administration of parathyroid hormone related protein (PTHrP) on the proteome of vertebral bone was analysed. Treatment of immature sea bream (Sparus auratus, n=6) for 5. days with homologous recombinant PTHrP(1-125; 150. ng/g body weight) modified bone metabolism and caused a significant (p<. 0.05) reduction in both tartrate resistant acid phosphatase (TRACP) and alkaline phosphatase (ALP) in relation to control fish. However, the ratio of TRACP: ALP in PTHrP treated fish (1.3 to 2.2 cf. control) suggested it had an anabolic response. A sea bream vertebral bone proteome of 157 protein spots was generated and putative identity assigned to 118 (75.2%) proteins of which 72% had homology to proteins/transcripts from teleosts many of which have not previously been reported in teleost bone. Classification of bone proteins using gene ontology revealed those with protein or metal/ion (e.g., calcium, magnesium, zinc) binding (~53%) activities were most abundant. The expression of eight proteins was significantly (p<. 0.05) modified in the vertebra of PTHrP treated compared to control fish; three were up-regulated, betainehomocystein S-methyltransferase, glial fibrillary acidic protein, parvalbumin beta and five were down-regulated, annexin A5, apolipoprotein A1, myosin light chain 2, fast skeletal myosin light chain 3, troponin C. In conclusion, intermittent administration of PTHrP to sea bream is associated with an anabolic response in vertebral bone metabolism and modifies calcium binding proteins in the proteome. © 2013 Elsevier Inc. | - |
dc.description.sponsorship | The research leading to these results has received funding from the European Community’s Seventh Framework Programme (FP7/2007-2013) under grant agreement no. 222719 – LIFECYCLE. LA was in receipt of a PhD fellowship (SFRH/BD/21973/2005) from FCT and mobility grants from European Commission funded FP6 Network of excellence Marine Genomics Europe (contract GOCE-CT-2004-505403) and Scientific Support to Policies AQUAGENOME (contract 044481). | - |
dc.publisher | Elsevier | - |
dc.relation | info:eu-repo/grantAgreement/EC/FP7/222719 | - |
dc.rights | closedAccess | - |
dc.subject | Sea bream recombinant parathyroid hormone related peptide | - |
dc.subject | Teleost bone proteome | - |
dc.subject | Calcium binding proteins | - |
dc.subject | Anabolism | - |
dc.title | PTHrP-induced modifications of the sea bream (Sparus auratus) vertebral bone proteome | - |
dc.type | artículo | - |
dc.identifier.doi | 10.1016/j.ygcen.2013.05.014 | - |
dc.date.updated | 2015-01-22T12:10:04Z | - |
dc.description.version | Peer Reviewed | - |
dc.language.rfc3066 | eng | - |
dc.contributor.funder | European Commission | - |
dc.contributor.funder | Fundação para a Ciência e a Tecnologia (Portugal) | - |
dc.identifier.funder | http://dx.doi.org/10.13039/501100000780 | es_ES |
dc.identifier.funder | http://dx.doi.org/10.13039/501100001871 | es_ES |
dc.type.coar | http://purl.org/coar/resource_type/c_6501 | es_ES |
item.fulltext | No Fulltext | - |
item.openairecristype | http://purl.org/coar/resource_type/c_18cf | - |
item.cerifentitytype | Publications | - |
item.grantfulltext | none | - |
item.openairetype | artículo | - |
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