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Bilirubin is independently associated with oxidized LDL levels in young obese patients

dc.contributor.authorNascimento, H.
dc.contributor.authorAlves, A.
dc.contributor.authorCoimbra, S.
dc.contributor.authorCatarino, C.
dc.contributor.authorGomes, D.
dc.contributor.authorBronze-da-Rocha, E.
dc.contributor.authorCosta, E.
dc.contributor.authorRocha-Pereira, P.
dc.contributor.authorAires, L.
dc.contributor.authorMota, J.
dc.contributor.authorMansilha, H.
dc.contributor.authorRêgo, C.
dc.contributor.authorSantos-Silva, A.
dc.contributor.authorBelo, L.
dc.date.accessioned2016-07-26T11:46:52Z
dc.date.available2016-07-26T11:46:52Z
dc.date.issued2015
dc.description.abstractBACKGROUND: Bilirubin can prevent lipid oxidation in vitro, but the association in vivo with oxidized low-density lipoprotein (Ox-LDL) levels has been poorly explored. Our aim is to the association of Ox-LDL with total bilirubin (TB) levels and with variables related with metabolic syndrome and inflammation, in young obese individuals. FINDINGS: 125 obese patients (13.4 years; 53.6% females) were studied. TB, lipid profile including Ox-LDL, markers of glucose metabolism, and levels of C-reactive protein (CRP) and adiponectin were determined. Anthropometric data was also collected. In all patients, Ox-LDL correlated positively with BMI, total cholesterol, LDLc, triglycerides (TG), CRP, glucose, insulin and HOMAIR; while inversely with TB and HDLc/Total cholesterol ratio (P < 0.05 for all). In multiple linear regression analysis, LDLc, TG, HDLc and TB levels were significantly associated with Ox-LDL (standardized Beta: 0.656, 0.293, -0.283, -0.164, respectively; P < 0.01 for all). After removing TG and HDLc from the analysis, HOMAIR was included in the regression model. In this new model, LDLc remained the best predictor of Ox-LDL levels (β = 0.665, P < 0.001), followed by TB (β = -0.202, P = 0.002) and HOMAIR (β = 0.163, P = 0.010). CONCLUSIONS: Lower bilirubin levels may contribute to increased LDL oxidation in obese children and adolescents, predisposing to increased cardiovascular risk.pt_PT
dc.identifier.citationDiabetol Metab Syndr. 2015 Jan 23;7:4pt_PT
dc.identifier.doi10.1186/1758-5996-7-4pt_PT
dc.identifier.issn1758-5996
dc.identifier.urihttp://hdl.handle.net/10400.16/1971
dc.language.isoengpt_PT
dc.peerreviewedyespt_PT
dc.publisherBioMed Centralpt_PT
dc.relation.publisherversionhttp://dmsjournal.biomedcentral.com/articles/10.1186/1758-5996-7-4pt_PT
dc.subjectBilirubinpt_PT
dc.subjectOxidized-LDLpt_PT
dc.subjectOxidative stresspt_PT
dc.subjectAtherosclerosispt_PT
dc.subjectPediatric obesitypt_PT
dc.titleBilirubin is independently associated with oxidized LDL levels in young obese patientspt_PT
dc.typejournal article
dspace.entity.typePublication
oaire.awardURIinfo:eu-repo/grantAgreement/FCT/5876-PPCDTI/PTDC%2FDTP-DES%2F0393%2F2012/PT
oaire.citation.conferencePlaceEnglandpt_PT
oaire.citation.issue1pt_PT
oaire.citation.startPage4pt_PT
oaire.citation.titleDiabetology and Metabolic Syndromept_PT
oaire.citation.volume7pt_PT
oaire.fundingStream5876-PPCDTI
project.funder.identifierhttp://doi.org/10.13039/501100001871
project.funder.nameFundação para a Ciência e a Tecnologia
rcaap.rightsopenAccesspt_PT
rcaap.typearticlept_PT
relation.isProjectOfPublicationeb01db3b-539f-41d0-9dc3-f43c97a2e5d6
relation.isProjectOfPublication.latestForDiscoveryeb01db3b-539f-41d0-9dc3-f43c97a2e5d6

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