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dc.contributor.authorStephens, Camilla
dc.contributor.authorLópez Nevot, Miguel Ángel 
dc.contributor.authorRuiz-Cabello, Francisco
dc.contributor.authorUlzurrun, Eugenia
dc.contributor.authorSoriano, Germán
dc.contributor.authorRomero-Gómez, Manuel
dc.contributor.authorMoreno-Casares, Anonia
dc.contributor.authorLucena, María Isabel
dc.contributor.authorAndrade, Raúl J.
dc.date.accessioned2014-03-28T10:57:29Z
dc.date.available2014-03-28T10:57:29Z
dc.date.issued2013
dc.identifier.citationStephens, C.; et al. HLA Alleles Influence the Clinical Signature of Amoxicillin-Clavulanate Hepatotoxicity. Plos One, 8(7): e68111 (2013). [http://hdl.handle.net/10481/31146]es_ES
dc.identifier.issn1932-6203
dc.identifier.otherdoi: 10.1371/journal.pone.0068111
dc.identifier.urihttp://hdl.handle.net/10481/31146
dc.description.abstract[Background and Aim] The genotype-phenotype interaction in drug-induced liver injury (DILI) is a subject of growing interest. Previous studies have linked amoxicillin-clavulanate (AC) hepatotoxicity susceptibility to specific HLA alleles. In this study we aimed to examine potential associations between HLA class I and II alleles and AC DILI with regards to phenotypic characteristics, severity and time to onset in Spanish AC hepatotoxicity cases. [Methods] High resolution genotyping of HLA loci A, B, C, DRB1 and DQB1 was performed in 75 AC DILI cases and 885 controls. [Results] The distributions of class I alleles A*3002 (P/Pc = 2.6E-6/5E-5, OR 6.7) and B*1801 (P/Pc = 0.008/0.22, OR 2.9) were more frequently found in hepatocellular injury cases compared to controls. In addition, the presence of the class II allele combination DRB1*1501-DQB1*0602 (P/Pc = 5.1E-4/0.014, OR 3.0) was significantly increased in cholestatic/mixed cases. The A*3002 and/or B*1801 carriers were found to be younger (54 vs 65 years, P = 0.019) and were more frequently hospitalized than the DRB1*1501-DQB1*0602 carriers. No additional alleles outside those associated with liver injury patterns were found to affect potential severity as measured by Hy’s Law criteria. The phenotype frequencies of B*1801 (P/Pc = 0.015/0.42, OR 5.2) and DRB1*0301-DQB1*0201 (P/Pc = 0.0026/0.07, OR 15) were increased in AC DILI cases with delayed onset compared to those corresponding to patients without delayed onset, while the opposite applied to DRB1*1302-DQB1*0604 (P/Pc = 0.005/0.13, OR 0.07). [Conclusions] HLA class I and II alleles influence the AC DILI signature with regards to phenotypic expression, latency presentation and severity in Spanish patients.es_ES
dc.description.sponsorshipThis study was supported by the research grant Proyecto Excelencia P10-CTS-6470 and by the Agencia Española del Medicamento. CIBERehd and Red Genómica del Cancer are funded by Instituto de Salud Carlos III.es_ES
dc.language.isoenges_ES
dc.publisherPublic Library of Science (PLOS)es_ES
dc.rightsCreative Commons Attribution-NonCommercial-NoDerivs 3.0 Licensees_ES
dc.rights.urihttp://creativecommons.org/licenses/by-nc-nd/3.0/es_ES
dc.subjectAlleleses_ES
dc.subjectAmino acid analysises_ES
dc.subjectArgininees_ES
dc.subjectBilirubines_ES
dc.subjectDamage mechanicses_ES
dc.subjectGenotypinges_ES
dc.subjectPhenotypeses_ES
dc.subjectSpaines_ES
dc.titleHLA Alleles Influence the Clinical Signature of Amoxicillin-Clavulanate Hepatotoxicityes_ES
dc.typeinfo:eu-repo/semantics/articlees_ES
dc.rights.accessRightsinfo:eu-repo/semantics/openAccesses_ES


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