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dc.contributor.authorChristensen, Monika H. E.en_US
dc.contributor.authorDankel, Simon Nen_US
dc.contributor.authorNordbø, Yngveen_US
dc.contributor.authorVarhaug, Jan Eriken_US
dc.contributor.authorAlmås, Bjørgen_US
dc.contributor.authorLien, Ernst Asbjørnen_US
dc.contributor.authorMellgren, Gunnaren_US
dc.date.accessioned2012-02-20T10:49:06Z
dc.date.available2012-02-20T10:49:06Z
dc.date.issued2011-06-17eng
dc.PublishedPLoS ONE 6(6): e20481en
dc.identifier.issn1932-6203
dc.identifier.urihttps://hdl.handle.net/1956/5619
dc.description.abstractBackground: Primary hyperparathyroidism (PHPT) is characterised by increased production of parathyroid hormone (PTH) resulting in elevated serum calcium levels. The influence on bone metabolism with altered bone resorption is the most studied clinical condition in PHPT. In addition to this, patients with PHPT are at increased risk of non-skeletal diseases, such as impaired insulin sensitivity, arterial hypertension and increased risk of death by cardiovascular diseases (CVD), possibly mediated by a chronic low-grade inflammation. The aim of this study was to investigate whether adipose tissue reflects the low-grade inflammation observed in PHPT patients. Methodology/Principal Findings: Subcutaneous fat tissue from the neck was sampled from 16 non-obese patients with PHPT and from 16 patients operated for benign thyroid diseases, serving as weight-matched controls. RNA was extracted and global gene expression was analysed with Illumina BeadArray Technology. We found 608 differentially expressed genes (q-value,0.05), of which 347 were up-regulated and 261 were down-regulated. Gene ontology analysis showed that PHPT patients expressed increased levels of genes involved in immunity and defense (e.g. matrix metallopeptidase 9, S100 calcium binding protein A8 and A9, CD14, folate receptor 2), and reduced levels of genes involved in metabolic processes. Analysis of transcription factor binding sites present in the differentially expressed genes corroborated the up-regulation of inflammatory processes. Conclusions/Significance: Our findings demonstrate that PHPT strongly influences gene regulation in fat tissue, which may result in altered adipose tissue function and release of pathogenic factors that increase the risk of CVD.en_US
dc.language.isoengeng
dc.publisherPublic Library of Scienceeng
dc.rightsAttribution CC BYeng
dc.rights.urihttp://creativecommons.org/licenses/by/2.5/eng
dc.titlePrimary Hyperparathyroidism Influences the Expression of Inflammatory and Metabolic Genes in Adipose Tissueen_US
dc.typePeer reviewed
dc.typeJournal article
dc.description.versionpublishedVersionen_US
dc.rights.holderCopyright 2011 Christensen et al.
dc.identifier.doihttps://doi.org/10.1371/journal.pone.0020481
dc.subject.nsiVDP::Medical disciplines: 700::Clinical medical disciplines: 750eng


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