| 4G/5G plasminogen activator inhibitor-1 and -308 A/G tumor necrosis factor-α promoter gene polymorphisms in Argentinean lupus patients: focus on lupus nephritis. | |
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MedLine Citation:
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PMID: 23143392 Owner: NLM Status: Publisher |
Abstract/OtherAbstract:
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We investigated the relationship between the 4G/5G plasminogen activator inhibitor (PAI-1) and -308 A/G tumor necrosis factor-α (TNF-α) polymorphisms and the clinical and biochemical features of systemic lupus erythematosus (SLE) in an Argentinean patient cohort. A total of 402 patients were studied, including 179 SLE patients and 223 healthy individuals. PCR-RLFP was used to determine the genotypes of the 4G/5G PAI-1 and -308 A/G TNF-α polymorphisms. SLE patients with lupus nephritis (LN) (n = 86) were compared with patients without LN (n = 93). Additionally, LN patients were divided into proliferative LN and non-proliferative LN groups according to the results of the renal biopsies. No significant differences were noted in the genotype distributions or allele frequencies of these TNF-α and PAI-1 polymorphisms between SLE patients and controls. There were higher numbers of criteria for SLE, more lupus flares and higher damage scores in LN patients, but there were similar frequencies of anti-phospholipid antibody (APA) positivity and anti-phospholipid syndrome. No significant difference was noted for any studied variable between the proliferative LN and non-proliferative LN groups except for the presence of APA. We found no significant differences in the TNF-α and PAI-1 genotype distributions or allele frequencies between groups. We found that the -308 A/G TNF-α and 4G/5G PAI-1 polymorphisms are not associated with susceptibility to SLE in an Argentinean population. We also did not find any association between the presence of any specific allele or genotype and the development of LN in SLE patients. Finally, no association was noted between either of the two polymorphisms and the severity of renal disease. |
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Authors:
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Sebastián Andrés Muñoz; Federico Aranda; Alberto Allievi; Alberto Omar Orden; Silvia Perés Wingeyer; Rosana Trobo; Analía Alvarez; Alicia Eimon; Juan Carlos Barreira; Emilce Schneeberger; Fernando Dal Pra; Judith Sarano; Julio Hofman; Julián Chamorro; Gabriela de Larrañaga |
Publication Detail:
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Type: JOURNAL ARTICLE Date: 2012-11-11 |
Journal Detail:
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Title: Clinical and experimental medicine Volume: - ISSN: 1591-9528 ISO Abbreviation: Clin. Exp. Med. Publication Date: 2012 Nov |
Date Detail:
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Created Date: 2012-11-12 Completed Date: - Revised Date: - |
Medline Journal Info:
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Nlm Unique ID: 100973405 Medline TA: Clin Exp Med Country: - |
Other Details:
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Languages: ENG Pagination: - Citation Subset: - |
Affiliation:
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Department of Internal Medicine, Hospital General de Agudos Dr. J. A. Fernández, Buenos Aires, Argentina. |
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From MEDLINE®/PubMed®, a database of the U.S. National Library of Medicine
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