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Detecção de lipoproteínas de baixa densidade minimamente oxidadas (LDL eletronegativas) e de seus autoanticorpos IgG em crianças e adolescentes filhos de hipercolesterolêmicos / The identification of mildly oxidized low-density lipoproteins (electronegative LDL) and its auto-antibodies IgG in children and adolescents hypercholesterolemic offsprings
São Paulo; s.n; 2004. [90] p. tab.
Thesis in Portuguese | LILACS | ID: lil-405153
RESUMO
A modificação das lipoproteínas de baixa densidade (LDL) é considerada etapa essencial no processo aterosclerótico, gerando partículas LDL minimamente oxidadas, também chamadas LDL eletronegativas (LDL- ), com propriedades quimiotáticas, citotóxicas e imunogênicas. Estudamos as concentrações séricas de LDL- e de autoanticorpos IgG anti-LDL- mensuradas por ELISA em crianças e adolescentes com antecedentes de Hipercolesterolemia Familiar (AHF), com ou sem Doença Arterial Coronariana precoce em parentes de primeiro grau (ADAC) / Oxidative modification of low-density lipoproteins (LDL) is an essential step in atherogenesis, generating mildly oxidized LDL, also called eletronegative LDL (LDL-), which have chemotactic, cytotoxic and immunogenic properties. We studied plasma concentrations of LDL- and anti-LDL- autoantibodies (IgG) in children and adolescents with Familial Hypercholesterolemia antecedents (FHA), with or without Coronary Artery Disease in first-degree relatives (CADA), hypercholesterolemic (hc) or normocholesterolemic (nc) versus a control group of normocholesterolemic children without pathologic antecedents (C). ELISA method was used. LDL- serum levels were not different in the four groups (FHA-CADA-hc 41,4 ± 24,9; FHA -hc 38,3 ± 11,2; FHA -nc 47,3 ± 17,0 and C 44,2 ± 28,8...
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Index: LILACS (Americas) Main subject: Arteriosclerosis / Hyperlipoproteinemia Type II / Lipoproteins, LDL Type of study: Diagnostic study / Observational study / Prognostic study Limits: Adolescent / Child / Female / Humans / Male Language: Portuguese Year: 2004 Type: Thesis

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Index: LILACS (Americas) Main subject: Arteriosclerosis / Hyperlipoproteinemia Type II / Lipoproteins, LDL Type of study: Diagnostic study / Observational study / Prognostic study Limits: Adolescent / Child / Female / Humans / Male Language: Portuguese Year: 2004 Type: Thesis