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Cyclooxygenase-2 and hypoxia-regulated proteins are modulated by basic fibroblast growth factor in acute renal failure Biol. Res.
Villanueva,Sandra; Escobar,Pía; Jacubovsky,Ioram; Irarrázabal,Carlos; Carreño,Juan E; Erpel,José M; Céspedes,Carlos; González,Alexis A; Vio,Carlos P; Velarde,Victoria.
Acute renal failure (ARF) can be caused by injuries that induce tissue hypoxia, which in turn can trigger adaptive or inflammatory responses. We previously showed the participation of basic fibroblast growth factor (FGF-2) in renal repair. Based on this, the aim of this study was to analyze the effect of FGF-2 signaling pathway manipulation at hypoxia-induced protein levels, as well as in key proteins from the vasoactive systems of the kidney. We injected rat kidneys with FGF-2 recombinant protein (r-FGF) or FGF-2 receptor antisense oligonucleotide (FGFR2-ASO) after bilateral ischemia, and evaluated the presence of iNOS, EPO and HO-1, in representation of hypoxia-induced proteins, as well as COX-2, renin, kallikrein, and B2KR, in representation of the...
Tipo: Journal article Palavras-chave: ARF; COX-2; FGF-2; Kidney regeneration.
Ano: 2012 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602012000100007
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Antioxidant and anti hyperglycemic role of wine grape powder in rats fed with a high fructose diet Biol. Res.
Hernández-Salinas,Romina; Decap,Valerie; Leguina,Alberto; Cáceres,Patricio; Perez,Druso; Urquiaga,Ines; Iturriaga,Rodrigo; Velarde,Victoria.
BACKGROUND: Metabolic syndrome is a growing worldwide health problem. We evaluated the effects of wine grape powder (WGP), rich in antioxidants and fiber, in a rat model of metabolic syndrome induced by a high fructose diet. We tested whether WGP supplementation may prevent glucose intolerance and decrease oxidative stress in rats fed with a high fructose diet. METHODS: Male Sprague-Dawley rats weighing 180 g were divided into four groups according to their feeding protocols. Rats were fed with control diet (C), control plus 20 % WGP (C + WGP), 50 % high fructose (HF) or 50 % fructose plus 20 % WGP (HF + WGP) for 16 weeks. Blood glucose, insulin and triglycerides, weight, and arterial blood pressure were measured. Homeostasis model assessment (HOMA) index...
Tipo: Journal article Palavras-chave: Insulin resistance; Oxidative stress; Metabolic syndrome; Wine grape powder.
Ano: 2015 URL: http://www.scielo.cl/scielo.php?script=sci_arttext&pid=S0716-97602015000100053
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