cardiomegaly/carbohydrate

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[Potential impact of carbohydrate and fat intake on cardiac hypertrophy].

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Currently, a high carbohydrate/low fat diet is recommended for patients with heart failure and/or hypertension; however, the potentially important role that the composition of dietary fat and carbohydrate might play in the development of LVH and heart failure has not been well characterized. Recent

Low carbohydrate/high-fat diet attenuates cardiac hypertrophy, remodeling, and altered gene expression in hypertension.

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The effects of dietary fat intake on the development of left ventricular hypertrophy and accompanying structural and molecular remodeling in response to hypertension are not understood. The present study compared the effects of a high-fat versus a low-fat diet on development of left ventricular

[Aminoguanidine prevents peroxynitrite production and cardiac hypertrophy in streptozotocin-induced diabetic rats].

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The effect and possible mechanisms of action of aminoguanidine (a preferential iNOS inhibitor) has been studied on cardiovascular damages and overproduction of reactive nitrogen species in streptozotocin-induced diabetic rats. METHODS 40 rats were divided into five groups (control and diabetic, with

Metabolic aspects of the development of experimental cardiac hypertrophy.

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In three models of cardiac hypertrophy the significance of catecholamines and the adenylate cyclase-cyclic AMP-system was examined. Two approaches were utilized: 1. The time course of cyclic AMP alterations was correlated with the changes in adenine nucleotide and protein biosynthesis. 2. The effect

The first line of defense against cardiac hypertrophy.

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The embryonic phenotype transformation of cardiomyocytes is an important characteristic of pathological cardiac hypertrophy. It includes transcriptional reprogramming of gene expression, a switch from lipid metabolism to carbohydrate metabolism, and a shift from α-myosin heavy chain (MHC) to fetal

Antioxidant defense system in lung of male and female rats: interactions with alcohol, copper, and type of dietary carbohydrate.

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Male and female rats were used to investigate the effects of type of dietary carbohydrate (CHO), copper, and ethanol consumption on lung antioxidant enzyme activities and levels of phosphorylated compounds in whole blood. Copper-deficient female rats exhibited a greater degree of copper deficiency

[Enzymatic activity of the glycolytic and pentosemonophosphate pathways of carbohydrate conversion in the heart in hypertrophy].

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In myocardial hypertrophy activity of hexokinase was decreased in heart mitochondria and increased in the supernatant obtained after precipitation of the mitochondria. Activities of phosphofructokinase and fructose diphosphate aldolase were decreased within the acute period of hyperfunction and

A low-carbohydrate/high-fat diet reduces blood pressure in spontaneously hypertensive rats without deleterious changes in insulin resistance.

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Previous studies reported that diets high in simple carbohydrates could increase blood pressure in rodents. We hypothesized that the converse, a low-carbohydrate/high-fat diet, might reduce blood pressure. Six-week-old spontaneously hypertensive rats (SHR; n = 54) and Wistar-Kyoto rats (WKY; n = 53,

Effect of coenzyme Q10 supplementation on cardiac hypertrophy of male rats consuming a high-fructose, low-copper diet.

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Administration of coenzyme Q10 to humans and animals has a beneficial effect on a number of cardiac diseases. The purpose of the present study was to determine if coenzyme Q10 treatment could ameliorate cardiac abnormalities associated with the carbohydrate x copper interaction in rats. Weanling

A case of thymic cyst with elevated sialylated Lewis X-i, carbohydrate antigen 19-9 and tissue polypeptide antigen in the cystic fluid with no elevation of serum tumor markers.

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A 56-year-old man, tentatively diagnosed as having cardiomegaly, was found to have a large cyst in the left anterior mediastinum. At thoracotomy a multilocular cystic mass containing a colorless serous fluid was found and resected. Histologically, the cyst was lined with flattened epithelial cells,

Consequences of copper deficiency are not differentially influenced by carbohydrate source in young pigs fed a dried skim milk-based diet.

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Carbohydrates (CHO) such as fructose (FR) or sucrose, but not starch (ST), aggravate the consequences of dietary copper (Cu) deficiency in rats. To evaluate whether this Cu X CHO interaction is pertinent to human health, the pig was used as an animal model. In two studies, 66 weanling pigs were fed

Overnutrition during lactation leads to impairment in insulin signaling, up-regulation of GLUT1 and increased mitochondrial carbohydrate oxidation in heart of weaned mice.

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Several studies have demonstrated that overnutrition during early postnatal period can increase the long-term risk of developing obesity and cardiac disorders, yet the short-term effects of postnatal overfeeding in cardiac metabolism remains unknown. The aim of our study was to investigate the

Cardiac hypertrophy, substrate utilization and metabolic remodelling: cause or effect?

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1. Metabolic remodelling in the heart occurs in response to chronically altered workload and substrate availability. Recently, the importance of the metabolic remodelling processes inherent in the hypertrophic growth response (whether primary or secondary) has been recognized. 2. Altered energy

High fructose diet increases mortality in hypertensive rats compared to a complex carbohydrate or high fat diet.

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BACKGROUND Chronic hypertension leads to cardiac hypertrophy, heart failure, and premature death. Little is known about the impact of dietary macronutrient composition on hypertension-induced cardiac hypertrophy and mortality. We investigated the effects of consuming either a high complex

Mouse strain-specific differences in cardiac metabolic enzyme activities observed in a model of isoproterenol-induced cardiac hypertrophy.

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1. Alterations in myocardial energy metabolism accompany pressure overload-induced hypertrophy. We previously described a novel model of catecholamine-induced hypertrophy in which A/J mice exhibit more robust cardiac hypertrophy than B6 mice. Accordingly, we assessed the influence of mouse strain on

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