Dietary Influences on Prostaglandin Synthesis

Galli, Cláudio

doi:10.1007/978-1-4757-4448-4_4

Cited by 30 publications

(5 citation statements)

References 108 publications

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“…The association between hypercholesterolaemia and the risk of hypertension may explain some of the mechanisms: first, hypertension and hypercholesterolaemia are linked to atherosclerosis which is associated with reduced vascular compliance [30]; secondly, high cholesterol is associated with vascular diseases, which are linked to changes in the endothelium [31,32]; thirdly, food rich in fat and cholesterol may cause a disturbance in the metabolism of prostaglandins [33]; and fourthly, hypertension and hypercholesterolemia are present in familial dyslipidaemia and hypertension [34].…”

Section: Discussionmentioning

confidence: 99%

Risk factors for hypertension among the adult Moroccan population

Tazi¹,

Abir-Khalil²,

Lahmouz³

et al. 2009

East Mediterr Health J

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This study used data from the Moroccan national survey in 2000 to identify the principle risk factors for hypertension in a representative sample of the population age 20+ years. The risk of hypertension increased steadily with age and was higher among rural residents (OR = 1.42) and those with diabetes (OR = 1.72). The risk increased with increased body mass index, waist size and hypercholesterolaemia. The risk of hypertension decreased by 36% and 46% respectively for those who walked 30-60 min and > 60 min daily. Consumption of fish and fresh fruits 1+ times per week was associated with a lower risk. Among those with hypertension, only 21.9% were previously diagnosed and 8.8% were under medical treatment. Risk factors for hypertension among the adult Moroccan population

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Section: Discussionmentioning

confidence: 99%

Risk factors for hypertension among the adult Moroccan population

Tazi¹,

Abir-Khalil²,

Lahmouz³

et al. 2009

East Mediterr Health J

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“…Earlier studies point out that mechanisms possibly responsible for the increase of in arterial pressure due to the higher ingestion of fat include altered prostaglandin production 27 , increased sympathetic nervous system activity leading to vasoconstriction 28 , and the influence of the lipid composition of plasma membranes 29 .…”

Section: Discussionmentioning

confidence: 99%

Physical activity, cardiorespiratory fitness, dietary content, and risk factors that cause a predisposition towards cardiovascular disease

Guedes¹,

Guedes²

2001

Arq. Bras. Cardiol.

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Objective -The consensus among specialists is that cardiovascular diseases are multifactorial in origin, resulting from socalled risk factors 1 . Once risk factors are understood to be causal agents resulting in a predisposition towards heart diseases, monitoring of these risk factors aids in the identification of signals that, if modified, may attenuate or even reverse the evolution of heart diseases.Compromising levels of plasma lipids-lipoproteins, high arterial pressure, and excessive fat/body weight ratios are considered biological risk factors of major significance in cardiovascular disease. These factors do not act alone but as a whole, causing an exponential rise in the possibility of cardiovascular accidents.Physical activity and appropriate dietary habits are considered major mechanisms for protection from the surge and progression of risk factors that cause a predisposition towards cardiovascular disease 2-6 . Therefore, differences regarding everyday performance of physical activity, levels of cardiorespiratory fitness, and dietary content have been frequently used in attempts to explain variations in the prevalence of cardiovascular disease in different population groups [7][8][9][10] .Incentives to increase physical activity and use of an adequately balanced dietary regime have played a significant role in various programs aimed at the prevention and control of heart diseases. Yet, although capable of influencing risk factors by a multiplicity of interacting metabolic, functional, and morphologic adaptations, the relative contributions of effective physical activity, cardiorespiratory fitness, and diet on risk factor variability ave not been clearly defined. Thus, studies aimed at the evaluation of the extent of these influences on specific segments of different populations are still required. It is expected that such a search will dentify, in a more explicit manner, preventive and therapeutic measures associated with cardiovascular diseases.The objective of the study was to search for an explanation for variations observed in information associated with biological risk factors that cause a predisposition

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“…The rate and type of eicosanoid synthesis, at the cellular level, depend on the size and composition of the available precursor pool which consequently can be modulated by dietary PUFA intake (8). At least three enzymes, A6-and A5desaturase (9) and phospholipase A 2 (10), are involved in supply of precursor PUFA for eicosanoid synthesis, and the reactions they catalyze can be influenced by a number of nutritional and physiological factors (9,11).…”

Section: Lipids 3 I 1163-i 171 (I 996)mentioning

confidence: 99%

Modification of membrane fatty acid composition, eicosanoid production, and phospholipase a activity in Atlantic Salmon (Salmo salar) gill and kidney by dietary lipid

Bell

Farndale

Dick

et al. 1996

Lipids

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Atlantic salmon post-smolts were fed diets containing either fish oils (Fosol, FO and Marinol, MO) rich in long-chain n-3 polyunsaturated fatty acids (PUFA), or plant oils rich in 18:2n-6 (sunflower oil, SO) or 18:3n-3 (linseed oil, LO) for 12 wk. The major PUFA in individual phospholipids from gill and kidney were related to the dietary lipid intake. Levels of n-6 PUFA were highest while levels of n-3 PUFA were lowest in fish fed SO. Fish fed LO generally had lower levels of 20:4n-6 compared to the other treatments while fish fed SO generally had the highest levels of 20:4n-6. In all phospholipid classes except phosphatidylinositol (PI) 20:5n-3 was greatest in fish fed MO followed by FO, LO, and SO. In PI, 20:5n-3 was also highest in fish fed MO but those fed LO contained more 20:5n-3 than those fed FO. This resulted in the ratio of the eicosanoid precursors, 20:4n-6/20:5n-3, being significantly greater in fish fed SO, for all phospholipid classes, compared to fish fed the other three dietary oils. The activity of gill phospholipase A was greatest in fish fed FO and was lowest in fish fed SO. The concentration of PGF3 alpha was significantly increased in gill homogenates from fish fed MO compared to the other three treatments while PGF2 alpha was significantly increased in fish fed SO compared to those fed LO. The concentration of PGE3 was significantly reduced in kidney homogenates from fish fed SO compared to the other three treatments while PGE2 was significantly increased in fish fed SO compared to those fed either FO or LO.

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Dietary Influences on Prostaglandin Synthesis

Cited by 30 publications

References 108 publications

Risk factors for hypertension among the adult Moroccan population

Risk factors for hypertension among the adult Moroccan population

Physical activity, cardiorespiratory fitness, dietary content, and risk factors that cause a predisposition towards cardiovascular disease

Modification of membrane fatty acid composition, eicosanoid production, and phospholipase a activity in Atlantic Salmon (Salmo salar) gill and kidney by dietary lipid

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