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Registros recuperados: 6
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APOA1/C3/A4 gene cluster variability and lipid levels in Brazilian children BJMBR
França,E. de; Alves,J.G.B.; Hutz,M.H..
Genetic studies have suggested that polymorphisms of genes coding for apolipoproteins are significant determinants of serum lipoprotein and lipid levels in adults. However, only a few studies have investigated the association of these polymorphisms in children. Therefore, in the present investigation we studied the distribution of APOA1 -75 G>A, +83 C>T, APOC3 -482 C>T, -455 T>C and 3238 C>G, and APOA4 Q360H and T347S polymorphisms and their influence on plasma lipoprotein levels in children from a Brazilian northeastern admixed population. The seven polymorphic sites were genotyped in 414 children aged 5 to 15 years (mean 8.9 ± 2.9). The genotypes of the seven polymorphic sites were assessed by PCR-RFLP methods. The frequencies of the less...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Apolipoproteins; Gene variants; Lipid levels; Children.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2005000400006
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Association of apolipoprotein E polymorphism with plasma lipids and Alzheimer's disease in a Southern Brazilian population BJMBR
de-Andrade,F.M.; Larrandaburu,M.; Callegari-Jacques,S.M.; Gastaldo,G.; Hutz,M.H..
Apolipoprotein E (protein: apo E; gene: APOE) plays an important role in the multifactorial etiology of both Alzheimer's disease (AD) and lipid level concentrations. The polymerase chain reaction (PCR) was used to investigate the APOE gene polymorphism in 446 unrelated Caucasians, among them 23 AD patients, and 100 Afro-Brazilians living in Porto Alegre, Brazil. The frequencies of the APOE*2, APOE*3 and APOE*4 alleles were 0.075, 0.810 and 0.115 in Caucasians and 0.075, 0.700 and 0.225 in Afro-Brazilians, respectively (c2 = 8.72, P = 0.013). A highly significant association was observed between the APOE*4 allele and AD in this population-based sample. The APOE*4 frequency in AD patients (39%) was about four times higher than in the general Caucasian...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Polymorphism; APOE; Lipoproteins; Apoprotein; Alzheimer's disease.
Ano: 2000 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2000000500007
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Effects of a PPARG gene variant on obesity characteristics in Brazil BJMBR
Mattevi,V.S.; Zembrzuski,V.M.; Hutz,M.H..
The contribution of genetic factors to the development of obesity has been widely recognized, but the identity of the genes involved has not yet been fully clarified. Variation in genes involved in adipocyte differentiation and energy metabolism is expected to have a role in the etiology of obesity. We assessed the potential association of a polymorphism in one candidate gene, peroxisome proliferator-activated receptor-gamma (PPARGg), involved in these pathways and obesity-related phenotypes in 335 Brazilians of European descent. All individuals included in the sample were adults. Pregnant women, as well as those individuals with secondary hyperlipidemia due to renal, liver or thyroid disease, and diabetes, were not invited to participate in the study; all...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Obesity; PPARG gene; Genetic susceptibility; Multifactorial diseases.
Ano: 2007 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2007000700006
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Estrogen receptor 1 gene polymorphisms and coronary artery disease in the Brazilian population BJMBR
Almeida,S.; Hutz,M.H..
We examined the association of three established single nucleotide polymorphisms, IVS1-397T>C, IVS1-351A>G, and +261G>C, in the ESR1 gene with the prevalence and severity of coronary atherosclerosis in a southern Brazilian population of European ancestry. Three hundred and forty-one subjects (127 women and 214 men) with coronary artery disease (CAD) were classified as having significant disease (CAD+ patient group) when they showed 60% or more luminal stenosis in at least one coronary artery or major branch segment at angiography; patients with 10% or less luminal stenosis were considered to have minimal CAD (CAD- patient group). The control sample consisted of 142 subjects (79 women and 63 men) without significant disease, in whom coronary...
Tipo: Info:eu-repo/semantics/article Palavras-chave: ESR1 polymorphisms; Coronary artery disease; Estrogen; Hormonal status.
Ano: 2006 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2006000400004
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Estrogen receptor 1 gene polymorphisms in premenopausal women: interaction between genotype and smoking on lipid levels BJMBR
Almeida,S.; Hutz,M.H..
Estrogen has multiple effects on lipid and lipoprotein metabolism. We investigated the association between the four common single nucleotide polymorphisms in the estrogen receptor 1 (ESR1) gene locus, -1989T>G, +261G>C, IVS1-397T>C and IVS1-351A>G, and lipid and lipoprotein levels in southern Brazilians. The sample consisted in 150 men and 187 premenopausal women. The women were considered premenopausal if they had regular menstrual bleeding within the previous 3 months and were 18-50 years of age. Exclusion criteria were pregnancy, secondary hyperlipidemia due to renal, hepatic or thyroid disease, and diabetes. Smoking status was self-reported; subjects were classified as never smoked and current smokers. DNA was amplified by PCR and was...
Tipo: Info:eu-repo/semantics/other Palavras-chave: Estrogen; Estrogen receptor 1 variants; Lipid levels; Smoking.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2008001000007
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High frequency of the CCR5delta32 variant among individuals from an admixed Brazilian population with sickle cell anemia BJMBR
Chies,J.A.B.; Hutz,M.H..
Homozygous sickle cell disease (SCD) has a wide spectrum of clinical manifestations. In Brazil, the main cause of death of individuals with SCD is recurrent infection. The CCR5delta32 allele, which confers relative resistance to macrophage-tropic HIV virus infection, probably has reached its frequency and world distribution due to other pathogens that target macrophage in European populations. In the present investigation a relatively higher prevalence (5.1%) of the CCR5delta32 allele was identified, by PCR amplification using specific primers, in 79 SCD patients when compared to healthy controls (1.3%) with the same ethnic background (Afro-Brazilians). Based on a hypothesis that considers SCD as a chronic inflammatory condition, and since the CCR5...
Tipo: Info:eu-repo/semantics/other Palavras-chave: CCR5delta32; Sickle cell anemia; Inflammation.
Ano: 2003 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2003000100010
Registros recuperados: 6
Primeira ... 1 ... Última
 

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