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KARAKÖK SERAPGÖNCÜ, OZOGUL YESIM, SALER MÜCELLA, OZOGUL FATIH. PROXIMATE ANALYSIS. FATTY ACID PROFILES AND MINERAL CONTENTS OF MEATS: A COMPARATIVE STUDY. ACTA ACUST UNITED AC 2010. [DOI: 10.1111/j.1745-4573.2009.00177.x] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
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102
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Derdemezis CS, Filippatos TD, Mikhailidis DP, Elisaf MS. Review article: effects of plant sterols and stanols beyond low-density lipoprotein cholesterol lowering. J Cardiovasc Pharmacol Ther 2010; 15:120-34. [PMID: 20200328 DOI: 10.1177/1074248409357921] [Citation(s) in RCA: 44] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
Consumption of foods and supplements enriched with plant sterols/stanols (PS) may help reduce low-density lipoprotein cholesterol (LDL-C) levels. In this review, we consider the effects of PS beyond LDL-C lowering. Plant sterols/stanols exert beneficial effects on other lipid variables, such as apolipoprotein (apo) B/apoAI ratio and, in some studies, high-density lipoprotein cholesterol (HDL-C) and triglycerides (TG). Plant sterols/stanols may also affect inflammatory markers, coagulation parameters, as well as platelet and endothelial function. Evidence also exists about a beneficial effect on oxidative stress, but this does not seem to be of greater degree than that expected from the LDL-C lowering. Many of these effects have been demonstrated in vitro and animal models. Some in vitro effects cannot be seen in vivo or in humans at usual doses. The epidemiological studies that evaluated the association of plasma PS concentration with cardiovascular disease (CVD) risk do not provide a definitive answer. Long-term randomized placebo-controlled studies are required to clarify the effects of supplementation with PS on CVD risk and progression of atherosclerosis.
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Affiliation(s)
- Christos S Derdemezis
- Department of Internal Medicine, School of Medicine, University of Ioannina, Ioannina, Greece
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103
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Effects of the levonorgestrel-releasing intrauterine system on cardiovascular risk markers in patients with endometriosis: a comparative study with the GnRH analogue. Contraception 2010; 81:117-22. [DOI: 10.1016/j.contraception.2009.08.003] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/04/2009] [Revised: 08/05/2009] [Accepted: 08/07/2009] [Indexed: 11/21/2022]
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104
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Alimentation de l’enfant et facteurs de risque cardiovasculaire. Arch Pediatr 2010; 17:51-9. [DOI: 10.1016/j.arcped.2009.10.012] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2009] [Accepted: 10/16/2009] [Indexed: 11/21/2022]
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105
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Otokozawa S, Ai M, Diffenderfer MR, Asztalos BF, Tanaka A, Lamon-Fava S, Schaefer EJ. Fasting and postprandial apolipoprotein B-48 levels in healthy, obese, and hyperlipidemic subjects. Metabolism 2009; 58:1536-42. [PMID: 19592048 PMCID: PMC4565183 DOI: 10.1016/j.metabol.2009.04.040] [Citation(s) in RCA: 41] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/01/2008] [Accepted: 04/02/2009] [Indexed: 11/16/2022]
Abstract
Apolipoprotein (apo) B-48 is the only specific marker of intestinal lipoproteins. We evaluated a novel enzyme-linked immunosorbent assay (ELISA) standardized with recombinant apo B-48 to measure apo B-48 in plasma and triglyceride-rich lipoproteins (TRLs, density <1.006 g/mL). Coefficients of variation were less than 2.5%. Assay values correlated well (r = 0.82, P < .001) with values obtained by gel scanning of TRLs (n = 75 samples); however, the gel scanning method yielded values that were about 50% lower than ELISA values. About 60% to 70% of apo B-48 was found in TRLs. In 12 healthy subjects, median fasting plasma apo B-48 levels were 0.51 mg/dL and were increased by 121% to 147% in the fed state. In 63 obese subjects, median fasting apo B-48 values were 0.82 mg/dL; and feeding resulted in almost no change in total cholesterol, non-high-density lipoprotein cholesterol, or total apo B values, whereas triglyceride, remnant lipoprotein cholesterol, and apo B-48 levels were significantly higher (P < .05; by +73%, +58%, and +106%), and direct low-density lipoprotein cholesterol and direct high-density lipoprotein cholesterol were significantly lower (P < .001, by -13% and -20%) than fasting values. Relative to controls, 270 hyperlipidemic subjects had significantly higher (P < .001, +115%) fasting total apo B and higher apo B-48 values (P = .06, +37%). Our data indicate that the apo B-48 ELISA tested provides highly reproducible results and is excellent for research studies. Median apo B-48 values in healthy subjects are about 0.5 mg/dL and increase more than 100% in the fed state. Elevated levels are observed in obese and hyperlipidemic subjects.
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Affiliation(s)
- Seiko Otokozawa
- Lipid Metabolism Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, Boston, MA 02111, USA
| | - Masumi Ai
- Lipid Metabolism Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, Boston, MA 02111, USA
| | - Margaret R. Diffenderfer
- Lipid Metabolism Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, Boston, MA 02111, USA
| | - Bela F. Asztalos
- Lipid Metabolism Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, Boston, MA 02111, USA
| | - Akira Tanaka
- Nutrition Clinic, Kagawa Nutrition University, Saitama 350-0288, Japan
| | - Stefania Lamon-Fava
- Lipid Metabolism Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, Boston, MA 02111, USA
| | - Ernst J. Schaefer
- Lipid Metabolism Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, Boston, MA 02111, USA
- Corresponding author. Tel.: +1 617 556 3100; fax: +1 617 556 3103. (E.J. Schaefer)
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106
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Bertram HC, Jeppesen PB, Hermansen K. An NMR-based metabonomic investigation on effects of supplementation with isosteviol or soy protein to diabetic KKAy mice. Diabetes Obes Metab 2009; 11:992-5. [PMID: 19558611 DOI: 10.1111/j.1463-1326.2009.01077.x] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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107
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D'evoli L, Salvatore P, Lucarini M, Nicoli S, Aguzzi A, Gabrielli P, Lombardi-Boccia G. Nutritional value of traditional Italian meat-based dishes: influence of cooking methods and recipe formulation. Int J Food Sci Nutr 2009; 60 Suppl 5:38-49. [DOI: 10.1080/09637480802322103] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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108
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Qian J, Jiang S, Su W, Gao P. Characteristics of Oil from Hulless Barley (Hordeum vulgare L.) Bran from Tibet. J AM OIL CHEM SOC 2009. [DOI: 10.1007/s11746-009-1463-7] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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109
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Cabiddu A, Molle G, Decandia M, Spada S, Fiori M, Piredda G, Addis M. Responses to condensed tannins of flowering sulla (Hedysarum coronarium L.) grazed by dairy sheep. Livest Sci 2009. [DOI: 10.1016/j.livsci.2008.11.019] [Citation(s) in RCA: 48] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/21/2022]
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110
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Almeida JC, Mello VD, Canani LH, Gross JL, Azevedo MJ. Papel dos lipídeos da dieta na nefropatia diabética. ACTA ACUST UNITED AC 2009; 53:634-45. [DOI: 10.1590/s0004-27302009000500016] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2008] [Accepted: 11/19/2008] [Indexed: 11/22/2022]
Abstract
O objetivo do presente manuscrito foi revisar o possível papel dos lipídeos dietéticos na nefropatia diabética (ND), considerando as alterações do perfil lipídico associadas e a interação entre aspectos dietéticos e genéticos. Os lipídeos dietéticos podem ter um papel importante no desenvolvimento e na progressão da ND. A composição das gorduras da dieta tem sido associada com a ND, particularmente à microalbuminúria e às anormalidades lipídicas e de função endotelial. Entretanto, ainda não está comprovado o benefício da modificação da ingestão de gorduras em pacientes com ND, em especial sobre desfechos definitivos, como incidência e progressão da ND, insuficiência renal e morte. Além disso, a resposta do perfil lipídico à ingestão de gorduras pode ser influenciada por fatores genéticos. A identificação de polimorfismos genéticos específicos associados a essa interação poderá permitir a individualização de estratégias nutricionais na ND.
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111
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Mazalli MR, Bragagnolo N. Increase of cholesterol oxidation and decrease of PUFA as a result of thermal processing and storage in eggs enriched with n-3 fatty acids. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2009; 57:5028-5034. [PMID: 19438228 DOI: 10.1021/jf901187j] [Citation(s) in RCA: 24] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
Abstract
In this work, cholesterol oxide formation and alteration of fatty acid composition were analyzed in n-3 enriched eggs under different storage periods and two temperatures. The eggs enriched with n-3 fatty acids were stored at 5 or 25 degrees C for 45 days and subsequently boiled or fried. For each treatment, 12 yolks were analyzed every 15 days including time zero. The concentrations of the cholesterol oxides 7-ketocholesterol, 7beta-hydroxycholesterol, and 7alpha-hydroxycholesterol increased during the storage period and were higher in fried eggs. Only the 7-ketocholesterol was affected by the storage temperature, and its concentration was highest in eggs stored at 25 degrees C. There was no significant difference in the contents of cholesterol and vitamin E at the different storage periods; however, the concentration of vitamin E decreased with thermal treatment. In addition, the n-3 polyunsaturated fatty acids, especially 18:3, 20:5, and 22:6, were reduced throughout the storage at 5 and 25 degrees C.
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Affiliation(s)
- Mônica Roberta Mazalli
- Department of Food Engineering, Faculty of Zootecnia and Food Engineering, University of Sao Paulo, Pirassununga, Sao Paulo, Brazil
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112
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Schaefer EJ, Gleason JA, Dansinger ML. Dietary fructose and glucose differentially affect lipid and glucose homeostasis. J Nutr 2009; 139:1257S-1262S. [PMID: 19403705 PMCID: PMC2682989 DOI: 10.3945/jn.108.098186] [Citation(s) in RCA: 106] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Absorbed glucose and fructose differ in that glucose largely escapes first-pass removal by the liver, whereas fructose does not, resulting in different metabolic effects of these 2 monosaccharides. In short-term controlled feeding studies, dietary fructose significantly increases postprandial triglyceride (TG) levels and has little effect on serum glucose concentrations, whereas dietary glucose has the opposite effects. When dietary glucose and fructose have been directly compared at approximately 20-25% of energy over a 4- to 6-wk period, dietary fructose caused significant increases in fasting TG and LDL cholesterol concentrations, whereas dietary glucose did not, but dietary glucose did increase serum glucose and insulin concentrations in the postprandial state whereas dietary fructose did not. When fructose at 30-60 g ( approximately 4-12% of energy) was added to the diet in the free-living state, there were no significant effects on lipid or glucose biomarkers. Sucrose and high-fructose corn syrup (HFCS) contain approximately equal amounts of fructose and glucose and no metabolic differences between them have been noted. Controlled feeding studies at more physiologic dietary intakes of fructose and glucose need to be conducted. In our view, to decrease the current high prevalence of obesity, dyslipidemia, insulin resistance, and diabetes, the focus should be on restricting the intake of excess energy, sucrose, HFCS, and animal and trans fats and increasing exercise and the intake of vegetables, vegetable oils, fish, fruit, whole grains, and fiber.
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Affiliation(s)
- Ernst J Schaefer
- Jean Mayer USDA Human Nutrition Research Center on Aging at Tufts University, Cardiovascular Research Laboratory, Friedman School of Nutrition Science and Policy, Tufts University School of Medicine, Boston, MA 02111, USA.
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113
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Parodi PW. Has the association between saturated fatty acids, serum cholesterol and coronary heart disease been over emphasized? Int Dairy J 2009. [DOI: 10.1016/j.idairyj.2009.01.001] [Citation(s) in RCA: 60] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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114
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Tohyama J, Billheimer JT, Fuki IV, Rothblat GH, Rader DJ, Millar JS. Effects of nevirapine and efavirenz on HDL cholesterol levels and reverse cholesterol transport in mice. Atherosclerosis 2009; 204:418-23. [PMID: 18990393 PMCID: PMC2755296 DOI: 10.1016/j.atherosclerosis.2008.09.016] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/04/2007] [Revised: 08/15/2008] [Accepted: 09/16/2008] [Indexed: 01/16/2023]
Abstract
OBJECTIVE The mechanism by which non-nucleoside reverse transcriptase inhibitors (NNRTIs) increase HDL cholesterol (HDL-C) in HIV+ patients and the benefits of this with respect to cardiovascular risk are not known. Studies were conducted to test the hypothesis that NNRTIs have a beneficial effect on HDL-C and reverse cholesterol transport (RCT). METHODS LDLr-/- and hA-I transgenic mice were fed a Western diet containing either nevirapine (20mg/kg per day), efavirenz (10mg/kg per day), or diet alone. hA-I transgenic mice underwent a study to measure RCT (measured by excretion of macrophage [(3)H]-cholesterol into HDL and feces) at 8 weeks. RESULTS LDLr-/- and hA-I transgenic mice treated with nevirapine and efavirenz had a significant increase in HDL-C level (up to 23% in hA-I transgenic) at 4 weeks. However, there was no difference in HDL levels beyond 4 weeks of treatment. At 4 weeks, the FPLC profile of hA-I transgenic mice showed an increase in large HDL. hApoA-I transgenic mice treated with efavirenz for 4 weeks had increased expression of human apoA-I in liver and an increased human apoA-I production rate. Incubation of plasma from hA-I transgenic mice treated for 4 weeks with [(3)H]-cholesterol-labeled macrophages revealed increased cholesterol efflux to plasma from mice treated with efavirenz and nevirapine. Following injection of hA-I transgenic mice treated for 8 weeks with [(3)H]-cholesterol-labeled macrophages, RCT was increased in the efavirenz (p=0.01) group and trended towards an increase in the nevirapine (p=0.15) group. CONCLUSION Nevirapine and efavirenz transiently increased HDL-C in LDLr-/- and hA-I transgenic mice fed a Western diet that was associated with increased apoA-I production. An increase in RCT in hA-I transgenic mice at 8 weeks despite no difference in HDL levels indicates that these drugs affect additional factors in the RCT pathway that enhance cholesterol efflux from the macrophage and peripheral tissues to plasma and delivery to liver for excretion. These results suggest that treatment with NNRTIs has a beneficial effect on cholesterol efflux and RCT.
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Affiliation(s)
- Junichiro Tohyama
- Institute for Translational Medicine and Therapeutics, University of Pennsylvania School of Medicine, Philadelphia, PA, USA.
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115
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Assunção ML, Ferreira HS, dos Santos AF, Cabral CR, Florêncio TMMT. Effects of dietary coconut oil on the biochemical and anthropometric profiles of women presenting abdominal obesity. Lipids 2009; 44:593-601. [PMID: 19437058 DOI: 10.1007/s11745-009-3306-6] [Citation(s) in RCA: 77] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/12/2008] [Accepted: 04/22/2009] [Indexed: 10/20/2022]
Abstract
The effects of dietary supplementation with coconut oil on the biochemical and anthropometric profiles of women presenting waist circumferences (WC) >88 cm (abdominal obesity) were investigated. The randomised, double-blind, clinical trial involved 40 women aged 20-40 years. Groups received daily dietary supplements comprising 30 mL of either soy bean oil (group S; n = 20) or coconut oil (group C; n = 20) over a 12-week period, during which all subjects were instructed to follow a balanced hypocaloric diet and to walk for 50 min per day. Data were collected 1 week before (T1) and 1 week after (T2) dietary intervention. Energy intake and amount of carbohydrate ingested by both groups diminished over the trial, whereas the consumption of protein and fibre increased and lipid ingestion remained unchanged. At T1 there were no differences in biochemical or anthropometric characteristics between the groups, whereas at T2 group C presented a higher level of HDL (48.7 +/- 2.4 vs. 45.00 +/- 5.6; P = 0.01) and a lower LDL:HDL ratio (2.41 +/- 0.8 vs. 3.1 +/- 0.8; P = 0.04). Reductions in BMI were observed in both groups at T2 (P < 0.05), but only group C exhibited a reduction in WC (P = 0.005). Group S presented an increase (P < 0.05) in total cholesterol, LDL and LDL:HDL ratio, whilst HDL diminished (P = 0.03). Such alterations were not observed in group C. It appears that dietetic supplementation with coconut oil does not cause dyslipidemia and seems to promote a reduction in abdominal obesity.
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Affiliation(s)
- Monica L Assunção
- Faculdade de Nutrição, Universidade Federal de Alagoas, Maceió, AL 57072-970, Brazil
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116
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Dinis APG, Marques RG, Simões FC, Diestel CF, Caetano CER, Secchin DJF, Neto JFN, Portela MC. Plasma Lipid Levels of Rats Fed a Diet Containing Pork Fat as a Source of Lipids after Splenic Surgery. Lipids 2009; 44:537-43. [DOI: 10.1007/s11745-009-3302-x] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2008] [Accepted: 04/09/2009] [Indexed: 10/20/2022]
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117
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118
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119
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1H NMR metabonomics can differentiate the early atherogenic effect of dairy products in hyperlipidemic hamsters. Atherosclerosis 2009; 206:127-33. [PMID: 19324361 DOI: 10.1016/j.atherosclerosis.2009.01.040] [Citation(s) in RCA: 45] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2008] [Revised: 12/29/2008] [Accepted: 01/27/2009] [Indexed: 11/22/2022]
Abstract
Diet is an important environmental factor modulating the onset of atherosclerosis. The aim of this study was to evaluate the effects of different dairy-based food products on early atherogenesis using both conventional and metabonomic approaches in hyperlipidemic hamsters. The hamsters received up to 200 g/kg of fat as anhydrous butter or cheese made from various milk fats or canola-based oil (CV), in addition to a non-atherogenic low-fat diet. Aortic cholesteryl ester loading was considered to be an early atherogenic point, and metabolic changes linked to atherogenesis were measured using plasma (1)H NMR-based metabonomics. The lowest atherogenicity was obtained with the plant-oil cheese diet, followed by the dairy fat cheese diet, while the greatest atherogenicity was observed with the butter diet (P<0.05). Disease outcome was correlated with conventional plasma biomarkers (total cholesterol, triglycerides, LDL cholesterol, R(2)=0.42-0.60). NMR plasma metabonomics selectively captured part of the diet-induced metabotypes correlated with aortic cholesteryl esters (R(2)=0.63). In these metabotypes, VLDL lipids, cholesterol, and N-acetylglycoproteins (R(2) range: 0.45-0.51) were the most positively correlated metabolites, whereas a multimetabolite response at 3.75 ppm, albumin lysyl residues, and trimethylamine-N-oxide were the most negatively correlated metabolites (R(2) range: 0.43-0.63) of the aortic cholesteryl esters. Collectively, these metabolites predicted 89% of atherogenic variability compared to the 60% predicted by total plasma cholesterol alone. In conclusion, we show that the food environment can modulate the atherogenic effect of dairy fat. This proof-of-principle study demonstrates the first use of plasma metabonomics for improving the prognosis of diet-induced atherogenesis, revealing novel potential disease biomarkers.
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120
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Tanamati A, Stevanato FB, Visentainer JEL, Matsushita M, de Souza NE, Visentainer JV. Fatty acid composition in wild and cultivated pacu and pintado fish. EUR J LIPID SCI TECH 2009. [DOI: 10.1002/ejlt.200800103] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
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121
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Anjos LAD, Souza DRD, Rossato SL. Desafios na medição quantitativa da ingestão alimentar em estudos populacionais. REV NUTR 2009. [DOI: 10.1590/s1415-52732009000100014] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022]
Abstract
A avaliação da ingestão alimentar em populações é uma medida cada vez mais presente em estudos epidemiológicos para a investigação da relação entre nutrição e doenças crônicas não transmissíveis já que as atuais recomendações indicam a necessidade de se manter uma vida ativa com controle da ingestão alimentar. A medida da ingestão alimentar quantitativa é geralmente feita por meio de recordatório (ou diário) alimentar de 24h ou por questionários semiquantitativos de freqüência alimentar. O presente artigo discute os principais fatores que envolvem a obtenção e a análise dessas informações, particularmente no que diz respeito à ingestão energética. Fica evidente a necessidade de aprimorar as condições de obtenção das informações sobre as porções ingeridas, as tabelas de composição química de alimentos e da estimativa do gasto energético para a determinação das recomendações energéticas.
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122
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Freisling H, Elmadfa I, Schuh W, Wagner KH. Development and validation of a food frequency index using nutritional biomarkers in a sample of middle-aged and older adults. J Hum Nutr Diet 2009; 22:29-39. [DOI: 10.1111/j.1365-277x.2008.00916.x] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
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123
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Yashodhara BM, Umakanth S, Pappachan JM, Bhat SK, Kamath R, Choo BH. Omega-3 fatty acids: a comprehensive review of their role in health and disease. Postgrad Med J 2009; 85:84-90. [PMID: 19329703 DOI: 10.1136/pgmj.2008.073338] [Citation(s) in RCA: 189] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
Omega-3 fatty acids (omega-3 FAs) are essential fatty acids with diverse biological effects in human health and disease. Reduced cardiovascular morbidity and mortality is a well-established benefit of their intake. Dietary supplementation may also benefit patients with dyslipidaemia, atherosclerosis, hypertension, diabetes mellitus, metabolic syndrome, obesity, inflammatory diseases, neurological/ neuropsychiatric disorders and eye diseases. Consumption of omega-3 FAs during pregnancy reduces the risk of premature birth and improves intellectual development of the fetus. Fish, fish oils and some vegetable oils are rich sources of omega-3 FAs. According to the UK Scientific Advisory Committee on Nutrition guidelines (2004), a healthy adult should consume a minimum of two portions of fish a week to obtain the health benefit. This review outlines the health implications, dietary sources, deficiency states and recommended allowances of omega-3 FAs in relation to human nutrition.
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Affiliation(s)
- B M Yashodhara
- Department of Medicine, Melaka Manipal Medical College, 75150, Melaka, Malaysia
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124
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Acute consumption of fish oil improves postprandial VLDL profiles in healthy men aged 50–65 years. Br J Nutr 2009; 102:160-5. [DOI: 10.1017/s0007114508143550] [Citation(s) in RCA: 14] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Dietary supplementation with fish oil induces beneficial changes in the size and concentration of plasma lipoproteins, although the underlying mechanism is unclear. We have investigated the effect of increasing the amount of fish oil in a single meal on the size and concentration of VLDL, LDL and HDL particles during the postprandial period. Healthy men aged 58 (sd 5) years (n 11) consumed isoenergetic, mixed macronutrient test meals containing either 0·3 g (reference, REF) or 2·2 g (high fish oil, HFO) fish oil in a randomised order, and blood samples were collected over the following 6 h. Plasma lipoprotein size and concentration were measured by NMR spectroscopy. There was a significant interaction effect of time and meal composition on the VLDL, but not on the LDL or HDL, concentration (P = 0·036) and particle size (P = 0·005). Consuming the HFO meal significantly increased the VLDL concentration (P < 0·05) and reduced VLDL particle size (P < 0·05) when compared with the REF meal and baseline. LDL particle size decreased slightly during the postprandial period, but there was no difference between the meals. There was no effect of time or meal composition in the LDL concentration. The HDL concentration decreased and size increased slightly during the postprandial period, but there were no significant differences between the meals. Increased consumption of fish oil induces acute changes in the VLDL, but not in the LDL or HDL, metabolism.
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125
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Ghasabeh TH, Firoozrai M, Zonouz AE, Radmehr H, Zavarehee A, Paoli M. One common polymorphism of cholesteryl ester transfer protein gene in Iranian subjects with and without primary hypertriglyceridemia. Pak J Biol Sci 2009; 10:4224-9. [PMID: 19086575 DOI: 10.3923/pjbs.2007.4224.4229] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
Abstract
Primary hypertriglyceridemia is considered to be a major risk factor for pancreatitis, atherosclerosis and coronary heart disease. Cholesteryl ester transfer protein gene polymorphisms known to be associated with changes in lipid levels. This study was performed by using polymerase chain reaction and restriction fragment length polymorphisms. Genotype distribution and allelic frequencies of polymorphism were determined and compared in primary hypertriglyceridemic and normotriglyceridemic subjects. The results showed that plasma cholesteryl ester transfer protein activity was significantly higher in primary hypertriglyceridemia than in controls (p = 0.001). In this study all individuals with B2B2 genotype had lower plasma cholesteryl ester transfer protein activity, higher high-density lipoprotein than B1B1 and B1B2 genotypes, whereas triglyceride was significantly decreased in this genotype. The genotype and allelic frequencies for this polymorphism differed significantly between primary hypertriglyceridemic patients and controls (p = 0.014 and p = 0.027, respectively). In both groups, CETP Taq 1B polymorphism (presence of B2 allele) correlated significantly with HDL-C (r = 0.207 and 0.300 in control and patient groups, respectively) and CETP activity (r = -0.193 for controls and r = -0.132 for patients). Taq 1B polymorphism of cholesteryl ester transfer protein gene was associated with changes in lipids profile and plasma cholesteryl ester transfer protein activity in the selected population.
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Affiliation(s)
- Taghi Hassanzadeh Ghasabeh
- Department of Clinical Biochemistry, School of Medicine, Hamedan University of Medical Sciences, Hamedan, Iran
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Anwar F, Ali S, Ashraf S, Talpur FN, Ashraf M. Evaluation of canola seeds of different cultivars with special emphasis on the quantification of erucic acid and glucosinolates. GRASAS Y ACEITES 2008. [DOI: 10.3989/gya.011108] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
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127
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Grieb P, Kłapcińska B, Smol E, Pilis T, Pilis W, Sadowska-Krępa E, Sobczak A, Bartoszewicz Z, Nauman J, Stańczak K, Langfort J. Long-term consumption of a carbohydrate-restricted diet does not induce deleterious metabolic effects. Nutr Res 2008; 28:825-33. [DOI: 10.1016/j.nutres.2008.09.011] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2008] [Revised: 09/27/2008] [Accepted: 09/30/2008] [Indexed: 11/30/2022]
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Chen SH, Chuang SY, Lin KC, Tsai ST, Chou P. Community-based study on summer-winter difference in insulin resistance in Kin-Chen, Kinmen, Taiwan. J Chin Med Assoc 2008; 71:619-27. [PMID: 19114326 DOI: 10.1016/s1726-4901(09)70004-8] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND The aim of this community-based study was to explore the summer-winter difference in insulin resistance in Kin-Chen, Kinmen. METHODS A total of 2,412 residents aged 40 and over was enrolled in a mass survey in Kin-Chen, Kinmen, by the Yang-Ming Crusade, a volunteer organization of well-trained medical students from National Yang-Ming University. All participants were investigated in winter (first phase, January and February, before Chinese New Year) and summer (secondary phase, July and August) in 2002. Structured questionnaires, demographic and physical data, lifestyle, and blood chemistry parameters were collected. RESULTS Higher levels of fasting insulin, HOMA-insulin resistance and triglycerides, but lower levels of high-density lipoprotein cholesterol were found in summer than in winter. The prevalence of metabolic syndrome was higher in summer than in winter, with differences of 7.7% in both genders (p = 0.0092 in men, p = 0.0037 in women). Body mass index (BMI), age and physical activity were significantly correlated with metabolic syndrome. After controlling for BMI and other risk profiles, summer was independently and positively associated with fasting insulin and insulin resistance regardless of metabolic syndrome. CONCLUSION Fasting insulin, insulin resistance and prevalence of metabolic syndrome were higher in summer than in winter. BMI and season were 2 major determinants of the variation in fasting insulin. The contextual impacts of seasonal variation in shaping metabolic syndrome or insulin resistance in populations need to be reemphasized.
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Affiliation(s)
- Shui-Hu Chen
- Community Medicine Research Center and Institute of Public Health, National Yang-Ming University, and Kin-Nin Health Center, Kinmen, Taipei, Taiwan, ROC
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Plant stanol ester spreads as components of a balanced diet for pregnant and breast-feeding women: evaluation of clinical safety. Br J Nutr 2008; 101:1797-804. [DOI: 10.1017/s0007114508133608] [Citation(s) in RCA: 23] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Clinical safety of consuming plant stanol ester spreads during pregnancy and lactation, the impact on maternal and infant serum and breast-milk cholesterol and the ratios (μmol/mmol of cholesterol) of synthesis and absorption markers were evaluated. Pregnant women (n21) were randomised to control and dietary intervention groups, the intervention including advice to follow a balanced diet and to consume spreads enriched with plant stanol esters. Participants were followed during and after pregnancy and their infants up to 1 year of age. A mean 1·1 (sd0·4) g consumption of plant stanols during pregnancy and 1·4 (sd0·9) g 1 month post-partum increased sitostanol and the markers for cholesterol synthesis, lathosterol, lathosterol/campesterol and lathosterol/sitosterol, and reduced a marker for cholesterol absorption, campesterol, in maternal serum. In breast milk, desmosterol was lower in the intervention group, while no differences were detected between the groups in infants' serum. Plant stanol ester spread consumption had no impact on the length of gestation, infants' growth or serum β-carotene concentration at 1 and 6 months of age, but the cholesterol-adjusted serum β-carotene concentration was lowered at 1 month in the intervention group. Plant stanol ester spread consumption appeared safe in the clinical setting, except for potential lowering of infants' serum β-carotene concentration, and was reflected in the markers of cholesterol synthesis and absorption in mothers' serum, encouraging further studies in larger settings.
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Desroches S, Gagnon MP, Tapp S, Légaré F. Implementing shared decision-making in nutrition clinical practice: a theory-based approach and feasibility study. Implement Sci 2008; 3:48. [PMID: 18986527 PMCID: PMC2612694 DOI: 10.1186/1748-5908-3-48] [Citation(s) in RCA: 13] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/05/2008] [Accepted: 11/05/2008] [Indexed: 01/08/2023] Open
Abstract
Background There are a growing number of dietary treatment options to choose from for the management of many chronic diseases. Shared decision making represents a promising approach to improve the quality of the decision making process needed for dietary choices that are informed by the best evidence and value-based. However, there are no studies reporting on theory-based approaches that foster the implementation of shared decision making in health professions allied to medicine. The objectives of this study are to explore the integration of shared decision making within real nutritional consultations, and to design questionnaires to assess dieticians' intention to adopt two specific behaviors related to shared decision making using the Theory of Planned Behavior. Methods Forty dieticians will audiotape one clinical encounter to explore the presence of shared decision making within the consultation. They will also participate to one of five to six focus groups that aim to identify the salient beliefs underlying the determinants of their intention to present evidence-based dietary treatment options to their patients, and clarify the values related to dietary choices that are important to their patients. These salient beliefs will be used to elaborate the items of two questionnaires. The internal consistency of theoretical constructs and the temporal stability of their measurement will be checked using the test-retest method by asking 35 dieticians to complete the questionnaire twice within a two-week interval. Discussion The proposed research project will be the first study to: provide preliminary data about the adoption of shared decision making by dieticians and theirs patients; elicit dieticians' salient beliefs regarding the intention to adopt shared decision making behaviors, report on the development of a specific questionnaire; explore dieticians' views on the implementation of shared decision making; and compare their views regarding the implementation of shared decision making in different clinical settings. It is anticipated that the results generated by the proposed research project will significantly contribute to the emergence of shared decision making in nutrition through a theory-based approach.
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Affiliation(s)
- Sophie Desroches
- Centre de recherche du Centre Hospitalier Universitaire de Québec (CHUQ), Hôpital St-François d'Assise, 45, rue Leclerc, Québec, G1L 3L5, Canada.
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Lipid profile in men and women with different levels of sports participation and physical activity. Public Health Nutr 2008; 11:1098-106. [DOI: 10.1017/s1368980007001425] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
AbstractObjectiveThe purpose of the present study was to analyse the lipid profile in men and women differentiated according to energy expenditure during sports participation (EESPORT), energy expenditure during active leisure time (EEALT) and overall energy expenditure (EETOTAL).DesignThe subjects were grouped by sex, age, EESPORT, EEALT and EETOTAL. Group differences were analysed using analyses of covariance with BMI and alcohol consumption as covariates.SettingPhysical activity was assessed using the Flemish Physical Activity Computerised Questionnaire. Fasting blood samples were taken to measure total cholesterol (TC), TAG, HDL-cholesterol (HDL-C), LDL-cholesterol (LDL-C) and the ratio TC:HDL-C.SubjectsThe study sample consisted of 1170 Flemish men and women between 18 and 75 years of age.ResultsDifferences in lipid profile were observed in the younger age group (<45 years), all in favour of the most active group. More specifically, when differentiating by EEALT and EETOTAL, men had a healthier lipid profile for TAG, HDL-C and TC:HDL-C. Differentiation according to EESPORT revealed the same significant results except for TAG. In women significant results for HDL-C, LDL-C and TC:HDL-C were found when differentiated by EESPORT.ConclusionsMen and women <45 years of age with higher levels of energy expenditure due to sport show a better lipid profile than their sedentary counterparts. When differentiating subjects according to energy expenditure during active leisure time or overall energy expenditure, only in men was a healthier lipid profile observed in favour of the most active subjects.
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Nash DT. Point: Lipoproteins are significant factors in Alzheimer's disease: Dementia is impacted by blood plasma lipoproteins. J Clin Lipidol 2008; 2:391-3. [DOI: 10.1016/j.jacl.2008.08.449] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2008] [Revised: 08/18/2008] [Accepted: 08/21/2008] [Indexed: 11/29/2022]
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Perassolo MS, Almeida JC, Steemburgo T, Dall'Alba V, de Mello VDF, Zelmanovitz T, de Azevedo MJ, Gross JL. Endothelial dysfunction and serum fatty acid composition in patients with type 2 diabetes mellitus. Metabolism 2008; 57:1167-72. [PMID: 18702940 DOI: 10.1016/j.metabol.2008.01.006] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/11/2007] [Accepted: 01/07/2008] [Indexed: 02/04/2023]
Abstract
The aim of this study was to evaluate the possible association between serum fatty acids composition and endothelial dysfunction in patients with type 2 diabetes mellitus. A cross-sectional study was conducted with 125 normo- or microalbuminuric type 2 diabetes mellitus patients with serum creatinine <1.5 mg/dL. Serum fatty acids composition (gas chromatography), serum levels of endothelin-1 (ET-1) (enzyme-linked immunosorbent assay), fibrinogen, serum C-reactive protein, lipids, homeostasis model assessment resistance index (HOMA-R), and 24-hour urinary albumin excretion rate were measured. Serum levels of ET-1 were positively correlated with saturated fatty acids (r = 0.257, P = .025) and negatively correlated with polyunsaturated fatty acids (PUFAs) (r = -0.319, P = .005). Serum ET-1 levels were also positively correlated with systolic blood pressure, waist circumference, total cholesterol levels, triglycerides, and HOMA-R. In multiple linear regression models, only saturated fatty acids (R(2) = 0.317, P = .002) or PUFAs (R(2) = 0.314, P = .001) remained associated with ET-1 levels. Models were adjusted for systolic blood pressure, HOMA-R, waist circumference, triglycerides, body mass index, and smoking habit. The serum total PUFA levels showed an inverse correlation with urinary albumin excretion rate (r = -0.248, P = .012). In conclusion, in type 2 diabetes mellitus patients, the serum fatty acids composition was independently related to endothelial function evaluated by serum ET-1. Saturated fatty acids were associated with endothelial dysfunction (high levels of ET-1), whereas PUFAs had a protective role in endothelial function.
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Affiliation(s)
- Magda S Perassolo
- Serviço de Endocrinologia, Hospital de Clínicas de Porto Alegre, Universidade Federal do Rio Grande do Sul, 90035-003 Porto Alegre, RS, Brazil
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Ganji V, Kuo J. Serum lipid responses to psyllium fiber: differences between pre- and post-menopausal, hypercholesterolemic women. Nutr J 2008; 7:22. [PMID: 18727833 PMCID: PMC2533348 DOI: 10.1186/1475-2891-7-22] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2008] [Accepted: 08/26/2008] [Indexed: 11/24/2022] Open
Abstract
Background Cardiovascular disease is the leading cause of death in women and men. Psyllium, a soluble fiber has been known to reduce serum lipids. In this pilot study, we evaluated whether menopausal status would affect the serum lipid responses to psyllium fiber in women. Methods Eleven post-menopausal and eight pre-menopausal women with serum total cholesterol >200 mg/dL were included in the study. Subjects consumed their habitual diet and 15 g psyllium/d for 6 weeks. Psyllium was incorporated into cookies. Each cookie contained ≈5 g of psyllium fiber. Subjects ate one cookie in each meal. Results With psyllium fiber, total cholesterol concentration was significantly lower (≈5.2%, P < 0.05) in post-menopausal women but not in pre-menopausal women (≈1.3%). Also, there was a significant decrease in HDL-cholesterol in post-menopausal women (≈10.2%, P < 0.05). There were no significant changes observed in concentrations of LDL-cholesterol, triglycerides, apolipoprotein A1, and apolipoprotein B in both pre- and post-menopausal women with psyllium. Conclusion In this pilot study, post- and pre-menopausal, hypercholesterolemic women responded differently to psyllium fiber supplementation. Post-menopausal women would benefit from addition of psyllium to their diets in reducing the risk for heart diseases. The results of this study should be used with caution because the study was based on a small sample size.
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Affiliation(s)
- Vijay Ganji
- Division of Nutrition, School of Health Professions, College of Health and Human Sciences, Georgia State University, Atlanta, GA 30302, USA.
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Erem C, Hacihasanoglu A, Deger O, Kocak M, Topbas M. Prevalence of dyslipidemia and associated risk factors among Turkish adults: Trabzon lipid study. Endocrine 2008; 34:36-51. [PMID: 19003544 DOI: 10.1007/s12020-008-9100-z] [Citation(s) in RCA: 71] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/30/2008] [Revised: 07/23/2008] [Accepted: 08/24/2008] [Indexed: 10/21/2022]
Abstract
The objective of this study was to estimate the prevalence of dyslipidemia as defined by NCEP ATP III criteria in the Trabzon Region of Turkey and to determine its associations with cardiovascular risk factors [hypertension (HT), body mass index (BMI), waist circumference (WC), waist-to-hip ratio (WHR), and fasting serum glucose (FBG)] demographic factors (age, sex, obesity, marital status, reproductive history in women, and level of education), socioeconomic factors (household income and occupation), a family history of selected medical conditions (diabetes, HT, obesity, and cardiovascular disease), and lifestyle factors (smoking habits, physical activity, and alcohol consumption) in the adult population. In this cross-sectional survey, a sample of households was systematically selected from the central province of Trabzon city and its nine towns, namely, Akcaabat, Duzkoy, Vakfikebir, Yomra, Arakli, Of, Caykara, Surmene, and Macka. A total of 4,809 subjects (2,601 women and 2,208 men) were included in the study. Individuals older than 20 years were selected from their family health cards. Demographic and socioeconomic factors, a family history of selected medical conditions, and lifestyle factors were obtained for all participants. Systolic blood pressure (SBP) and diastolic blood pressure (DBP) levels were measured for all subjects. The individuals included in the questionnaire were invited to the local medical centers for blood tests between 08:00 and 10:00 after 12 h of fasting. The levels of serum glucose (FBG), total cholesterol (TC), high-density cholesterol (HDL-C), low-density cholesterol (LDL-C), and trigylcerides were measured with autoanalyzer. Dyslipidemia was defined according to guidelines from the US NCEP ATP III diagnostic criteria. The ratio of TC to HDL-C was calculated. Definition and classification of HT were performed according to guidelines from the US JNC-7 report. The results obtained indicated that the age-adjusted mean values (mg/dl) of TC, LDL-C, HDL-C, [TC/HDL-C ratio], and TG were 190 +/- 0.6, 127.5 +/- 0.5, 50.3 +/- 0.3, 3.96 +/- 0.02, and 137.3 +/- 1.5, respectively. Overall, the mean levels of LDL-C, TG and TC/HDL-C ratio were higher in men than in women, whereas the mean level of HDL-C was higher in women than in men. The prevalences of hypercholesterolemia (> or =200 mg/dl), elevated LDL-C (> or =130 mg/dl), low HDL-C (<40 mg/dl), and hypertriglyceridemia (> or =150 mg/dl) were 37.5, 44.5, 21.1, and 30.4%, respectively. Prevalences of dyslipidemia were higher in men than in women, except for TC (P < 0.0001). The prevalences of high TC, LDL-C, TG, and TC/HDL-C ratio increased with age, with the highest prevalences in the 60-69-year-old group, and declined thereafter. The prevalences of high TC, LDL-C and TG, a high TC/HDL-C ratio and low HDL-C increased steadily in line with BP, BMI, WC, WHR, and FBG (P < 0.0001). Dyslipidemia was positively associated with marital status, parity, cessation of cigarette smoking and current cigarette use, and alcohol consumption, and negatively associated with the level of education, household income, and physical activity. Multiple logistic regression analysis revealed that dyslipidemia was significantly associated with the factors of age, male gender, BMI, WC (except for TC and LDL-C), HT (only for LDL-C and TG), FBG (only for LDL-C and TG), education level, cigarette smoking (only for HDL-C and TC/HDL-C ratio), alcohol consumption (except for HDL-C and TC/HDL-C ratio), occupation (especially housewives), marital status (widows and widowers), and a family history of selected medical conditions (for only TC). In conclusion, Trabzon Lipid Study data indicate that dyslipidemias are very common and an important health problem among the adult population of Trabzon. To control dyslipidemias, effective public health education and urgent measures are essential.
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Affiliation(s)
- Cihangir Erem
- Department of Internal Medicine, Division of Endocrinology and Metabolism, Faculty of Medicine, Karadeniz Technical University, 61080, Trabzon, Turkey.
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Pittaway JK, Robertson IK, Ball MJ. Chickpeas May Influence Fatty Acid and Fiber Intake in an Ad Libitum Diet, Leading to Small Improvements in Serum Lipid Profile and Glycemic Control. ACTA ACUST UNITED AC 2008; 108:1009-13. [DOI: 10.1016/j.jada.2008.03.009] [Citation(s) in RCA: 69] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/02/2007] [Accepted: 08/28/2007] [Indexed: 11/16/2022]
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Martin CA, de Oliveira CC, Visentainer JV, Matsushita M, de Souza NE. Optimization of the selectivity of a cyanopropyl stationary phase for the gas chromatographic analysis of trans fatty acids. J Chromatogr A 2008; 1194:111-7. [DOI: 10.1016/j.chroma.2008.04.033] [Citation(s) in RCA: 33] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2008] [Revised: 04/07/2008] [Accepted: 04/17/2008] [Indexed: 11/26/2022]
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Harland JI, Haffner TA. Systematic review, meta-analysis and regression of randomised controlled trials reporting an association between an intake of circa 25 g soya protein per day and blood cholesterol. Atherosclerosis 2008; 200:13-27. [PMID: 18534601 DOI: 10.1016/j.atherosclerosis.2008.04.006] [Citation(s) in RCA: 113] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/01/2008] [Revised: 03/27/2008] [Accepted: 04/04/2008] [Indexed: 12/14/2022]
Abstract
AIMS To determine the effect of a daily intake of circa 25 g soya protein on blood lipids in adults with normal or mildly elevated cholesterolaemia. METHODS Medline and other scientific databases were searched to identify randomised controlled trials (RCTs); these were systematically reviewed against pre-determined criteria. Eligible RCTs evaluated the effect of 25 g (range 15-40 g) soya protein on measures of blood lipids. Results from RCTs were pooled using standard meta-analysis methods. RESULTS Thirty studies containing 42 treatment arms (n=2913), with an average soya protein intake of 26.9 g met the inclusion criteria. Soya protein inclusion led to reductions in standard difference in mean low density lipoprotein (LDL), total cholesterol and blood triglycerides of 0.23 mmol/L (95% confidence interval (CI) -0.160 to -0.306, p<0.0001), 0.22 mmol/L (95% CI -0.142 to -0.291, p<0.0001) and 0.08 mmol/L (95% CI -0.004 to -0.158, p=0.04), respectively. There was no effect on mean difference in apolipoprotein A (ApoA), but ApoB was reduced by 0.021 g/L (p=0.01) in the soya group. Meta-regression analysis indicated no dose response relationship between soya protein intake in the range of 15-40 g and standard difference in LDL or HDL. All data were tested for heterogeneity and none identified. CONCLUSIONS The inclusion of modest amounts soya protein (ca. 25 g) into the diet of adults with normal or mild hypercholesterolaemia resulted in small, highly significant reductions in total and LDL cholesterol, equivalent to ca. 6% LDL reduction. This practically achievable intake, particularly when combined with other dietary measures, can make a useful contribution to blood cholesterol management.
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Affiliation(s)
- Janice I Harland
- HarlandHall Associates, The Stables, Ranbury Ring, London Road, Poulton, Cirencester, Glos GL7 5HN, UK.
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Vossen CY, Hoffmann MM, Hahmann H, Wüsten B, Rothenbacher D, Brenner H. Effect of APOE Genotype on Lipid Levels in Patients With Coronary Heart Disease During a 3-Week Inpatient Rehabilitation Program. Clin Pharmacol Ther 2008; 84:222-7. [DOI: 10.1038/clpt.2008.31] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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Vinson A, Mahaney MC, Diego VP, Cox LA, Rogers J, VandeBerg JL, Rainwater DL. Genotype-by-diet effects on co-variation in Lp-PLA2 activity and LDL-cholesterol concentration in baboons fed an atherogenic diet. J Lipid Res 2008; 49:1295-302. [PMID: 18334716 DOI: 10.1194/jlr.m800020-jlr200] [Citation(s) in RCA: 11] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
Abstract
Both lipoprotein-associated phospholipase A(2) (Lp-PLA(2)) activity, a biomarker of inflammation, and concentration of its primary associated lipoprotein, LDL, are correlated with adverse coronary outcomes. We previously reported a quantitative trait locus (QTL) corresponding to HSA2p24.3-p23.2 with pleiotropic effects on Lp-PLA(2) activity and LDL-cholesterol (LDL-C) concentration in baboons fed a basal diet. Here, our goal was to locate pleiotropic QTLs influencing both traits in the same baboons fed a high-cholesterol, high-fat (HCHF) diet, and to assess whether shared genetic effects on these traits differ between diets. We assayed Lp-PLA(2) activity and LDL-C concentration in 683 baboons fed the HCHF diet. We used a bivariate maximum likelihood-based variance components approach in whole-genome linkage screens to locate a QTL [logarithm of odds (LOD) = 3.13, genome-wide P = 0.019] corresponding to HSA19q12-q13.2 with pleiotropic effects on Lp-PLA(2) activity and LDL-C levels in the HCHF diet. We additionally found significant evidence of genetic variance in response to diet for Lp-PLA(2) activity (P = 0.0017) and for LDL-C concentration (P = 0.00001), revealing a contribution of genotype-by-diet interaction to covariation in these two traits. We conclude that the pleiotropic QTLs detected at 2p24.3-p23.2 and 19q12-q13.2 on the basal and HCHF diets, respectively, exert diet-specific effects on covariation in Lp-PLA(2) activity and LDL-C concentration.
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Affiliation(s)
- Amanda Vinson
- Department of Genetics, Southwest Foundation for Biomedical Research, San Antonio, TX, USA.
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Association between cholesteryl ester transfer protein Taq1B polymorphism with lipid levels in primary hyperlipidemic patients. EUR J LIPID SCI TECH 2008. [DOI: 10.1002/ejlt.200700101] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
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143
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KAFKAS E, ÖZGEN M, ÖZOĞUL Y, TÜREMIŞ N. PHYTOCHEMICAL AND FATTY ACID PROFILE OF SELECTED RED RASPBERRY CULTIVARS: A COMPARATIVE STUDY. J FOOD QUALITY 2008. [DOI: 10.1111/j.1745-4557.2007.00184.x] [Citation(s) in RCA: 28] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022] Open
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Lutsey PL, Steffen LM, Stevens J. Dietary intake and the development of the metabolic syndrome: the Atherosclerosis Risk in Communities study. Circulation 2008; 117:754-61. [PMID: 18212291 DOI: 10.1161/circulationaha.107.716159] [Citation(s) in RCA: 599] [Impact Index Per Article: 37.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND The role of diet in the origin of metabolic syndrome (MetSyn) is not well understood; thus, we sought to evaluate the relationship between incident MetSyn and dietary intake using prospective data from 9514 participants (age, 45 to 64 years) enrolled in the Atherosclerosis Risk in Communities (ARIC) study. METHODS AND RESULTS Dietary intake was assessed at baseline via a 66-item food frequency questionnaire. We used principal-components analysis to derive "Western" and "prudent" dietary patterns from 32 food groups and evaluated 10 food groups used in previous studies of the ARIC cohort. MetSyn was defined by American Heart Association guidelines. Proportional-hazards regression was used. Over 9 years of follow-up, 3782 incident cases of MetSyn were identified. After adjustment for demographic factors, smoking, physical activity, and energy intake, consumption of a Western dietary pattern (P(trend)=0.03) was adversely associated with incident MetSyn. After further adjustment for intake of meat, dairy, fruits and vegetables, refined grains, and whole grains, analysis of individual food groups revealed that meat (P(trend)<0.001), fried foods (P(trend)=0.02), and diet soda (P(trend)=< 0.001) also were adversely associated with incident MetSyn, whereas dairy consumption (P(trend)=0.006) was beneficial. No associations were observed between incident MetSyn and a prudent dietary pattern or intakes of whole grains, refined grains, fruits and vegetables, nuts, coffee, or sweetened beverages. CONCLUSIONS These prospective findings suggest that consumption of a Western dietary pattern, meat, and fried foods promotes the incidence of MetSyn, whereas dairy consumption provides some protection. The diet soda association was not hypothesized and deserves further study.
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Affiliation(s)
- Pamela L Lutsey
- Division of Epidemiology and Community Health, University of Minnesota, School of Public Health, Minneapolis, USA
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Kelley DS, Siegel D, Vemuri M, Chung GH, Mackey BE. Docosahexaenoic acid supplementation decreases remnant-like particle-cholesterol and increases the (n-3) index in hypertriglyceridemic men. J Nutr 2008; 138:30-5. [PMID: 18156400 DOI: 10.1093/jn/138.1.30] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Plasma remnant-like particle-cholesterol (RLP-C) and the RBC (n-3) index are novel risk factors for cardiovascular disease. Effects of docosahexaenoic acid (DHA) supplementation on these risk factors in hypertriglyceridemic men have not been studied. We determined effects of DHA supplementation on concentrations of plasma RLP-C, the RBC (n-3) index, and associations between concentrations of plasma RLP-C with those of plasma lipids and fatty acids. Hypertriglyceridemic men aged 39-66 y, participated in a randomized, placebo-controlled, parallel study. They received no supplements for 8 d and then received either 7.5 g/d DHA oil (3 g DHA/d) or olive oil (placebo) for the last 90 d. Fasting blood samples were collected on study d -7, 0 (baseline), 45 (mid-intervention), 84, and 91 (end-intervention). DHA supplementation for 45 d decreased (P < 0.05) fasting RLP-C (36%) and increased plasma eicosapentaenoic acid (EPA):arachidonic acid (AA) (100%) and the RBC (n-3) index (109%). Continued supplementation with DHA between d 45 and 91 further increased the RBC (n-3) index (162%) and plasma EPA:AA (137%) compared with baseline values. RLP-C concentration was positively associated (P < 0.01) with the plasma concentrations of triacylglycerols (Kendall's correlation coefficient or r = 0.46), triacylglycerol:HDL cholesterol (HDL-C) (r = 0.44), total cholesterol:HDL-C (r = 0.26), Apo B (r = 0.22), C III (r = 0.41), and E (r = 0.17), and 18:1(n-9) (r = 0.32); it was negatively associated (P < 0.05) with plasma concentrations of DHA (r = -0.32), EPA (r = -0.25), HDL-C (r = -0.21), LDL cholesterol:Apo B (r = -0.30), and HDL-C:Apo A (r = -0.25). Supplementation with placebo oil did not alter any of the response variables tested. Decreased atherogenic RLP-C and increased cardio-protective (n-3) index may improve cardio-vascular health.
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Affiliation(s)
- Darshan S Kelley
- Western Human Nutrition Research Center, Agricultural Research Service, USDA and Department of Nutrition, University of California, Davis, CA 95616, USA.
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146
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Panagiotakos D, Bountziouka V, Zeimbekis A, Vlachou I, Polychronopoulos E. Food Pattern Analysis and Prevalence of Cardiovascular Disease Risk Factors Among Elderly People from Mediterranean Islands. J Med Food 2007; 10:615-21. [DOI: 10.1089/jmf.2007.414] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Affiliation(s)
| | | | - Akis Zeimbekis
- Department of Nutrition Science and Dietetics, Harokopio University, Athens, Greece
| | - Ioanna Vlachou
- Department of Nutrition Science and Dietetics, Harokopio University, Athens, Greece
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147
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Gimeno E, de la Torre-Carbot K, Lamuela-Raventós RM, Castellote AI, Fitó M, de la Torre R, Covas MI, López-Sabater MC. Changes in the phenolic content of low density lipoprotein after olive oil consumption in men. A randomized crossover controlled trial. Br J Nutr 2007; 98:1243-50. [PMID: 17617938 DOI: 10.1017/s0007114507778698] [Citation(s) in RCA: 45] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
Olive oil decreases the risk of CVD. This effect may be due to the fatty acid profile of the oil, but it may also be due to its antioxidant content which differs depending on the type of olive oil. In this study, the concentrations of oleic acid and antioxidants (phenolic compounds and vitamin E) in plasma and LDL were compared after consumption of three similar olive oils, but with differences in their phenolic content. Thirty healthy volunteers participated in a placebo-controlled, double-blind, crossover, randomized supplementation trial. Virgin, common, and refined olive oils were administered during three periods of 3 weeks separated by a 2-week washout period. Participants were requested to ingest a daily dose of 25 ml raw olive oil, distributed over the three meals of the day, during intervention periods. All three olive oils caused an increase in plasma and LDL oleic acid (P < 0·05) content. Olive oils rich in phenolic compounds led to an increase in phenolic compounds in LDL (P < 0·005). The concentration of phenolic compounds in LDL was directly correlated with the phenolic concentration in the olive oils. The increase in the phenolic content of LDL could account for the increase of the resistance of LDL to oxidation, and the decrease of thein vivooxidized LDL, observed in the frame of this trial. Our results support the hypothesis that a daily intake of virgin olive oil promotes protective LDL changes ahead of its oxidation.
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Affiliation(s)
- Eva Gimeno
- Department of Nutrition and Food Science, Reference Center in Food Technology, Faculty of Pharmacy, University of Barcelona. Avda. Joan XXIII s/n, 08028 Barcelona, Spain
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148
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Karandish M, Shockravi S, Jalali MT, Haghighizadeh MH. Effect of calcium supplementation on lipid profile in overweight or obese Iranian women: a double-blind randomized clinical trial. Eur J Clin Nutr 2007; 63:268-72. [DOI: 10.1038/sj.ejcn.1602921] [Citation(s) in RCA: 22] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
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149
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Muzio F, Mondazzi L, Harris WS, Sommariva D, Branchi A. Effects of moderate variations in the macronutrient content of the diet on cardiovascular disease risk factors in obese patients with the metabolic syndrome. Am J Clin Nutr 2007; 86:946-51. [PMID: 17921369 DOI: 10.1093/ajcn/86.4.946] [Citation(s) in RCA: 67] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND The metabolic syndrome is a cluster of abnormalities that is accompanied by a 2-fold increase in the risk of cardiovascular disease. Even if there is full agreement that lifestyle changes to induce weight loss are the first-line approach, the ideal diet for the treatment of the metabolic syndrome remains uncertain. OBJECTIVE The objective was to compare the effects of 2 diets on cardiovascular disease risk factors in obese patients with the metabolic syndrome. DESIGN The study was carried out in 100 patients randomly assigned to either a diet relatively rich in carbohydrate [65% of energy as carbohydrate, 13% as protein, and 22% as fat (17% as unsaturated fat)] or a diet that was low in carbohydrate and high in protein and in monounsaturated fat [48% of energy as carbohydrate, 19% as protein, and 33% as fat (24% as unsaturated fat)]. RESULTS All 100 patients completed the 5-mo study. At the end of the study, all the components of the metabolic syndrome (except HDL, which did not change) decreased significantly in both groups. With the high-carbohydrate diet, a significant decrease in LDL-cholesterol concentrations was also observed. Although the extent of the resolution of the metabolic syndrome was not different between groups, the low-carbohydrate diet was associated with a greater decrease in the prevalence of hypertension (P < 0.05) and of hypertriacylglycerolemia (P < 0.001). CONCLUSION Tailoring diet interventions to the specific presentation of the metabolic syndrome may be the best way of reducing the risk factors for cardiovascular disease.
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Affiliation(s)
- Fulvio Muzio
- Clinical Nutrition Unit, G Salvini Hospital, Garbagnate Milanese, Milan, Italy.
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150
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Cross-Sectional Study of Lipids and Liver Enzymes Related to a Serum Biomarker of Exposure (ammonium perfluorooctanoate or APFO) as Part of a General Health Survey in a Cohort of Occupationally Exposed Workers. J Occup Environ Med 2007; 49:1086-96. [DOI: 10.1097/jom.0b013e318156eca3] [Citation(s) in RCA: 128] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/25/2022]
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