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Registros recuperados: 9
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Association between diet and polymorphisms in individuals with statin-controlled dyslipidaemia grouped according to oxidative stress biomarkers BJPS
Botelho,Patrícia Borges; Fioratti,Cyntia Okoshi; Rogero,Marcelo Macedo; Barroso,Lucia Pereira; Bertolami,Marcelo Chiara; Castro,Inar Alves.
The objective of this study was to investigate whether differences in diet and in single-nucleotide polymorphisms (SNPs) found in paraoxonase-1 (PON-1), 3-hydroxy-3-methylglutaryl-coenzyme A reductase (HMGCR), cholesterol ester transfer protein (CETP) and apolipoprotein E (APOE) genes, are associated with oxidative stress biomarkers and consequently with susceptibility of low-density cholesterol (LDL) to oxidation. A multivariate approach was applied to a group of 55 patients according to three biomarkers: plasma antioxidant activity, malondialdehyde and oxidized LDL (oxLDL) concentrations. Individuals classified in Cluster III showed the worst prognoses in terms of antioxidant activity and oxidative status. Individuals classified in Cluster I presented...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Diet; Oxidative stress/biomarkers; Single-nucleotide polymorphism (SNPs); Lipoproteins/oxidation; Statins; Apolipoprotein E.
Ano: 2012 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1984-82502012000100005
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Atorvastatin Has no Effects on Kidney Tissues of Wistar Albino Rats in the Long-Term Intake: An Electron Microscopic Study International Journal of Morphology
Aktas,Ayfer; Serhan Tasdemir,M; Cudi Tuncer,M; Nergiz,Yusuf; Akkus,Murat; Bagriyanik,Hüsnü Alper.
In this study, we evaluated the ultrastructural findings of kidney with systemic administration of different doses of atorvastatin in a rat model. Statins may have anti-inflammatory effects that would play a role in preventing the cellular damage. The aim of this study was to investigate how atorvastatin could play a role in kidney tissues. Forty adult male Wistar albino rats (200­250 g) were randomly divided into 4 groups of ten rats each (A1, A2, A3 and Control). Three different doses of atorvastatin were used to determine the effects on kidney tissues during 90 day period. The kidneys of A1 (0.1-mg group), A2 (0.5-mg group) and A3 (1-mg group) group were excised and the tissues were examined after the 90 days by transmission electron microscopy. Despite...
Tipo: Journal article Palavras-chave: Kidney; Wistar-albino rat; Statins; Atorvastatin; Ultrastructural.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022011000100025
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Drugs and lifestyle for the treatment and prevention of coronary artery disease: comparative analysis of the scientific basis BJMBR
da Luz,P.L.; Nishiyama,M.; Chagas,A.C.P..
In this article, we compare two strategies for atherosclerosis treatment: drugs and healthy lifestyle. Statins are the principal drugs used for the treatment of atherosclerosis. Several secondary prevention studies have demonstrated that statins can significantly reduce cardiovascular events including coronary death, the need for surgical revascularization, stroke, total mortality, as well as fatal and non-fatal myocardial infarction. These results were observed in both men and women, the elderly, smokers and non-smokers, diabetics and hypertensives. Primary prevention studies yielded similar results, although total mortality was not affected. Statins also induce atheroma regression and do not cause cancer. However, many unresolved issues remain, such as...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Atherosclerosis; Statins; Lifestyle; Coronary disease; Prevention.
Ano: 2011 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2011001000002
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Effects of statins on the development of sepsis and organ dysfunction in hospitalized older patients in China BJID
Gui,Qifeng; Yang,Yunmei; Zhang,Jiajia.
ABSTRACT This study aimed to evaluate the protective role of statins on the development of sepsis and infection-related organ dysfunction and mortality in a hospitalized older Chinese population with bacterial infections. In this retrospective cohort study, 257 older patients with bacterial infection were divided into two groups: a statin group, those who had received statin therapy for ≥1 month before admission and continued receiving statin during hospitalization; and a non-statin group, those who had never received statin or used statin for <1 month prior to admission. A multivariate logistic regression analysis was performed to identify risk and protective factors for severe sepsis. A significantly lower incidence of organ dysfunction was found in...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Mortality; Organ dysfunction; Older adults; Sepsis; Statins.
Ano: 2017 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S1413-86702017000300255
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Frequency of Common Variants in Genes Involved in Lipid-Lowering Response to Statins in Chilean Subjects with Hypercholesterolemia International Journal of Morphology
Rosales,Alexy; Pacheco,Alejandro; Cuevas,Alejandro; Saavedra,Nicolás; Zambrano,Tomás; Lanas,Fernando; Salazar,Luis A.
Interindividual differences in activity and expression of the metabolizing enzymes cytochrome P450 (CYP) 3A4 and 3A5 and the multidrug efflux pump P-glycoprotein (P-gp, encoded by ABCB1 gene) contribute considerably to lipid-lowering efficacy of statin treatment in subjects with hypercholesterolemia. Variability in the activity of CYP3A4, CYP3A5 and P-gp could be considered to result from genetic polymorphisms encoding their genes. However, the available data indicate that the frequencies of ABCB1, CYP3A4 and CYP3A5 gene polymorphisms differ significantly across populations. Thus, the aim of the present study was to determine the allelic frequency of three common variants of these genes in Chilean individuals with primary hypercholesterolemia (HC) and...
Tipo: Journal article Palavras-chave: Polymorphisms; Statins; Hypercholesterolemia; ABCB1.
Ano: 2011 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0717-95022011000400037
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High baseline serum total and LDL cholesterol levels are associated with MDR1 haplotypes in Brazilian hypercholesterolemic individuals of European descent BJMBR
Rodrigues,A.C.; Rebecchi,I.M.M.; Bertolami,M.C.; Faludi,A.A.; Hirata,M.H.; Hirata,R.D.C..
The MDR1 gene encodes the P-glycoprotein, an efflux transporter with broad substrate specificity. P-glycoprotein has raised great interest in pharmacogenetics because it transports a variety of structurally divergent drugs, including lipid-lowering drugs. The synonymous single-nucleotide polymorphism C3435T and the nonsynonymous single-nucleotide polymorphism G2677T/A in MDR1 have been indicated as potential determinants of variability in drug disposition and efficacy. In order to evaluate the effect of G2677T/A and C3435T MDR1 polymorphisms on serum levels of lipids before and after atorvastatin administration, 69 unrelated hypercholesterolemic individuals from São Paulo city, Brazil, were selected and treated with 10 mg atorvastatin orally once daily for...
Tipo: Info:eu-repo/semantics/article Palavras-chave: MDR1 gene; Hypercholesterolemia; Statins; Single nucleotide polymorphism; Pharmacogenetics.
Ano: 2005 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2005000900014
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High levels of LDL-C combined with low levels of HDL-C further increase platelet activation in hypercholesterolemic patients BJMBR
Chan,L.W.; Luo,X.P.; Ni,H.C.; Shi,H.M.; Liu,L.; Wen,Z.C.; Gu,X.Y.; Qiao,J.; Li,J..
High levels of low-density lipoprotein cholesterol (LDL-C) enhance platelet activation, whereas high levels of high-density lipoprotein cholesterol (HDL-C) exert a cardioprotective effect. However, the effects on platelet activation of high levels of LDL-C combined with low levels of HDL-C (HLC) have not yet been reported. We aimed to evaluate the platelet activation marker of HLC patients and investigate the antiplatelet effect of atorvastatin on this population. Forty-eight patients with high levels of LDL-C were enrolled. Among these, 23 had HLC and the other 25 had high levels of LDL-C combined with normal levels of HDL-C (HNC). A total of 35 normocholesterolemic (NOMC) volunteers were included as controls. Whole blood flow cytometry and platelet...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Low-density lipoprotein cholesterol; High-density lipoprotein cholesterol; Platelet activation; Statins; PAC-1; CD62p.
Ano: 2015 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2015000200167
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Rosuvastatin and vascular dysfunction markers in pulmonary arterial hypertension: a placebo-controlled study BJMBR
Barreto,A.C.; Maeda,N.Y.; Soares,R.P.S.; Cícero,C.; Lopes,A.A..
We investigated whether chronic rosuvastatin administration could improve the abnormalities of the circulating levels of vascular dysfunction markers in pulmonary arterial hypertension (PAH). Sixty patients, aged 13 to 60 years, with idiopathic (N = 14) or congenital heart disease-associated PAH (N = 46) were equally but randomly assigned to rosuvastatin treatment (10 mg a day, orally) or placebo for 6 months in a blind fashion. Plasma levels of P-selectin, tissue-plasminogen activator and its inhibitor as well as von Willebrand factor antigen were measured by enzyme-linked immunoassay before and after 1, 3, and 6 months of treatment. Baseline levels of biomarkers were elevated (68, 16, 45 and 46% increase relative to controls, for P-selectin, von...
Tipo: Info:eu-repo/semantics/article Palavras-chave: Pulmonary hypertension; Statins; Endothelial dysfunction; P-selectin; Tissue-plasminogen activator and inhibitor; Von Willebrand factor.
Ano: 2008 URL: http://www.scielo.br/scielo.php?script=sci_arttext&pid=S0100-879X2008000800003
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WT-1 mRNA expression is modulated by nitric oxide availability and Hsp70 interaction after neonatal unilateral ureteral obstruction Biocell
Mazzei,Luciana; García,Isabel Mercedes; Cacciamani,Valeria; Benardón,María Eugenia; Manucha,Walter.
Wilms tumor gene 1 (wt-1), a key regulator of mesenchymal-epithelial transformation, is downregulated during congenital obstructive nephropathy, leading to apoptosis. There is a functional interaction between WT-1 and inducible nitric oxide synthase (iNOS). In this regard, we reported that after neonatal unilateral ureteral obstruction, rosuvastatin prevents apoptosis through an increase in nitric oxide bioavailability, which in turn is linked to higher Hsp70 expression. Hence, the goal of this study was to determine whether a nitric oxide/Hsp70 interaction is involved in changes in WT-1 mRNA expression after ureteral obstruction. Neonatal rats submitted to experimental ureteral obstruction were treated with either vehicle or rosuvastatin for 14 days....
Tipo: Info:eu-repo/semantics/article Palavras-chave: Obstructive nephropathy; Apoptosis; Statins; Kidney development.
Ano: 2010 URL: http://www.scielo.org.ar/scielo.php?script=sci_arttext&pid=S0327-95452010000300004
Registros recuperados: 9
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