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Bentanachs R, Velázquez AM, Sánchez RM, Alegret M, Laguna JC, Roglans N. Bempedoic acid as a PPARα activator: new perspectives for hepatic steatosis treatment in a female rat experimental model. Clin Investig Arterioscler 2022; 34:57-67. [PMID: 34887111 DOI: 10.1016/j.arteri.2021.09.004] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/04/2021] [Revised: 07/19/2021] [Accepted: 09/18/2021] [Indexed: 06/13/2023]
Abstract
INTRODUCTION In its initial stages, nonalcoholic fatty liver disease presents hypertriglyceridemia and accumulation of lipids in the liver (hepatic steatosis). Bempedoic acid is an ATP:citrate lyase inhibitor that promotes a dual inhibition of the synthesis of cholesterol and fatty acids. However, its effect in the prevention / treatment of hepatic steatosis and hypertriglyceridemia has not been investigated. The aim of our work has been to elucidate whether bempedoic acid, through a mechanism other than ATP:citrate lyase inhibition, reverses these metabolic alterations. EXPERIMENTAL DESIGN The study was carried out in female Sprague-Dawley rats fed, for three months, with a high fat diet supplemented with fructose (10% w/v) in drinking water. During the last month, bempedoic acid (30mg/kg/day) was administered to a group of animals. Zoometric and plasmatic parameters were analyzed, gene and protein expression analysis were performed in liver samples and PPAR-PPRE binding activity was determined. RESULTS Our interventional model developed hepatic steatosis and hypertriglyceridemia. Despite an increase in total caloric intake, there was no increase in body weight of the animals. The administration of bempedoic acid significantly reduced hepatic steatosis and promoted a marked hepatocyte hypertrophy. There was a 66% increase in the liver weight of the animals treated with the drug that was not accompanied by modifications in the markers of inflammation, oxidative stress, or endoplasmic reticulum stress. Bempedoic acid activated the peroxisome proliferator activated nuclear receptor (PPARα) and its target genes. CONCLUSIONS Bempedoic acid could be an effective therapy for the treatment of fatty liver and associated cardiovascular risk. Bempedoic acid has other mechanisms of action besides the inhibition of ATP: citrate lyase, such as the activation of PPARα, which could explain the reduction in hepatic steatosis and the increase in liver weight observed in animals treated with the drug.
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Affiliation(s)
- Roger Bentanachs
- Departament de Farmacologia, Toxicologia i Química Terapèutica, Facultat de Farmàcia i Ciències de l'Alimentació, Universitat de Barcelona, Barcelona, España
| | - Ana Magdalena Velázquez
- Departament de Farmacologia, Toxicologia i Química Terapèutica, Facultat de Farmàcia i Ciències de l'Alimentació, Universitat de Barcelona, Barcelona, España
| | - Rosa María Sánchez
- Departament de Farmacologia, Toxicologia i Química Terapèutica, Facultat de Farmàcia i Ciències de l'Alimentació, Universitat de Barcelona, Barcelona, España; Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición (CIBERObn), Madrid, España; Institut de Biomedicina (IBUB), Universitat de Barcelona, Barcelona, España
| | - Marta Alegret
- Departament de Farmacologia, Toxicologia i Química Terapèutica, Facultat de Farmàcia i Ciències de l'Alimentació, Universitat de Barcelona, Barcelona, España; Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición (CIBERObn), Madrid, España; Institut de Biomedicina (IBUB), Universitat de Barcelona, Barcelona, España
| | - Juan Carlos Laguna
- Departament de Farmacologia, Toxicologia i Química Terapèutica, Facultat de Farmàcia i Ciències de l'Alimentació, Universitat de Barcelona, Barcelona, España; Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición (CIBERObn), Madrid, España; Institut de Biomedicina (IBUB), Universitat de Barcelona, Barcelona, España
| | - Núria Roglans
- Departament de Farmacologia, Toxicologia i Química Terapèutica, Facultat de Farmàcia i Ciències de l'Alimentació, Universitat de Barcelona, Barcelona, España; Centro de Investigación Biomédica en Red de Fisiopatología de la Obesidad y Nutrición (CIBERObn), Madrid, España; Institut de Biomedicina (IBUB), Universitat de Barcelona, Barcelona, España.
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Kwon YJ, Lee S, Lee HS, Lee JW. Differing Nutrient Intake and Dietary Patterns According to the Presence of Hyper-Low-Density Lipoprotein Cholesterolemia or Hypertriglyceridemia. Nutrients 2021; 13:3008. [PMID: 34578886 PMCID: PMC8469560 DOI: 10.3390/nu13093008] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2021] [Revised: 08/24/2021] [Accepted: 08/25/2021] [Indexed: 11/17/2022] Open
Abstract
Dietary choices may have differing effects on low-density lipoprotein cholesterol or triglyceride levels. The aim of this study was to investigate daily nutrient intake and dietary patterns of individuals with hyper-low-density lipoprotein cholesterolemia (hLDL) and hypertriglyceridemia (hTG) in a large Korean population-based study using propensity score (PS) matching. This study used data from the Korea National Health and Nutrition Examination Survey. Propensity score values for the predicted probability of patients with hLDL or hTG were estimated using logistic regression analysis, with age, sex, body mass index, alcohol consumption, smoking status, physical activity status, hypertension, and diabetes. After PS matching, intake of carbohydrates (%) was significantly lower (p = 0.021), and intake of fats (%) and saturated fatty acids (%) was significantly higher in the hLDL group than in the non-hLDL group (p = 0.025 and p = 0.013, respectively). The percentage of individuals with a high score for the Korean Healthy Eating Index (KHEI) "whole grains" or "saturated fatty acids" components was higher in the non-hLDL group than in the hLDL group (p < 0.05 for both). Dietary sodium/potassium ratio was significantly higher in the hTG than in the non-hTG (p = 0.049). Our results suggest that individualized dietary information and counseling require consideration of a person's specific lipid levels.
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Affiliation(s)
- Yu-Jin Kwon
- Department of Family Medicine, Yongin Severance Hospital, Yonsei University College of Medicine, Yongin 16995, Korea;
| | - Sujee Lee
- Department of Research Affairs, Biostatistics Collaboration Unit, Yonsei University College of Medicine, Seoul 06273, Korea;
| | - Hye Sun Lee
- Department of Research Affairs, Biostatistics Collaboration Unit, Yonsei University College of Medicine, Seoul 06273, Korea;
| | - Ji-Won Lee
- Department of Family Medicine, Gangnam Severance Hospital, Yonsei University College of Medicine, Seoul 06273, Korea
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Hoogerland JA, Peeks F, Hijmans BS, Wolters JC, Kooijman S, Bos T, Bleeker A, van Dijk TH, Wolters H, Gerding A, van Eunen K, Havinga R, Pronk ACM, Rensen PCN, Mithieux G, Rajas F, Kuipers F, Reijngoud D, Derks TGJ, Oosterveer MH. Impaired Very-Low-Density Lipoprotein catabolism links hypoglycemia to hypertriglyceridemia in Glycogen Storage Disease type Ia. J Inherit Metab Dis 2021; 44:879-892. [PMID: 33739445 PMCID: PMC8360207 DOI: 10.1002/jimd.12380] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/07/2020] [Revised: 01/29/2021] [Accepted: 03/16/2021] [Indexed: 01/09/2023]
Abstract
Prevention of hypertriglyceridemia is one of the biomedical targets in Glycogen Storage Disease type Ia (GSD Ia) patients, yet it is unclear how hypoglycemia links to plasma triglyceride (TG) levels. We analyzed whole-body TG metabolism in normoglycemic (fed) and hypoglycemic (fasted) hepatocyte-specific glucose-6-phosphatase deficient (L-G6pc-/- ) mice. De novo fatty acid synthesis contributed substantially to hepatic TG accumulation in normoglycemic L-G6pc-/- mice. In hypoglycemic conditions, enhanced adipose tissue lipolysis was the main driver of liver steatosis, supported by elevated free fatty acid concentrations in GSD Ia mice and GSD Ia patients. Plasma very-low-density lipoprotein (VLDL) levels were increased in GSD Ia patients and in normoglycemic L-G6pc-/- mice, and further elevated in hypoglycemic L-G6pc-/- mice. VLDL-TG secretion rates were doubled in normo- and hypoglycemic L-G6pc-/- mice, while VLDL-TG catabolism was selectively inhibited in hypoglycemic L-G6pc-/- mice. In conclusion, fasting-induced hypoglycemia in L-G6pc-/- mice promotes adipose tissue lipolysis and arrests VLDL catabolism. This mechanism likely contributes to aggravated liver steatosis and dyslipidemia in GSD Ia patients with poor glycemic control and may explain clinical heterogeneity in hypertriglyceridemia between GSD Ia patients.
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Affiliation(s)
- Joanne A. Hoogerland
- Department of PediatricsUniversity of Groningen, University Medical Center GroningenGroningenThe Netherlands
| | - Fabian Peeks
- Department of PediatricsUniversity of Groningen, University Medical Center GroningenGroningenThe Netherlands
- Department of Metabolic Diseases, Beatrix Children's HospitalUniversity of Groningen, University Medical Center GroningenGroningenThe Netherlands
| | - Brenda S. Hijmans
- Department of PediatricsUniversity of Groningen, University Medical Center GroningenGroningenThe Netherlands
| | - Justina C. Wolters
- Department of PediatricsUniversity of Groningen, University Medical Center GroningenGroningenThe Netherlands
| | - Sander Kooijman
- Department of Medicine, Division of EndocrinologyLeiden University Medical CenterLeidenThe Netherlands
- Einthoven Laboratory for Experimental Vascular MedicineLeiden University Medical CenterLeidenThe Netherlands
| | - Trijnie Bos
- Department of PediatricsUniversity of Groningen, University Medical Center GroningenGroningenThe Netherlands
| | - Aycha Bleeker
- Department of PediatricsUniversity of Groningen, University Medical Center GroningenGroningenThe Netherlands
| | - Theo H. van Dijk
- Department of Laboratory MedicineUniversity of Groningen, University Medical Center GroningenGroningenThe Netherlands
| | - Henk Wolters
- Department of PediatricsUniversity of Groningen, University Medical Center GroningenGroningenThe Netherlands
| | - Albert Gerding
- Department of PediatricsUniversity of Groningen, University Medical Center GroningenGroningenThe Netherlands
- Department of Laboratory MedicineUniversity of Groningen, University Medical Center GroningenGroningenThe Netherlands
| | - Karen van Eunen
- Department of PediatricsUniversity of Groningen, University Medical Center GroningenGroningenThe Netherlands
| | - Rick Havinga
- Department of PediatricsUniversity of Groningen, University Medical Center GroningenGroningenThe Netherlands
| | - Amanda C. M. Pronk
- Department of Medicine, Division of EndocrinologyLeiden University Medical CenterLeidenThe Netherlands
- Einthoven Laboratory for Experimental Vascular MedicineLeiden University Medical CenterLeidenThe Netherlands
| | - Patrick C. N. Rensen
- Department of Medicine, Division of EndocrinologyLeiden University Medical CenterLeidenThe Netherlands
- Einthoven Laboratory for Experimental Vascular MedicineLeiden University Medical CenterLeidenThe Netherlands
| | - Gilles Mithieux
- Institut National de la Santé et de la Recherche Médicale, U1213LyonFrance
- Université de LyonLyonFrance
- Université Lyon 1VilleurbanneFrance
| | - Fabienne Rajas
- Institut National de la Santé et de la Recherche Médicale, U1213LyonFrance
- Université de LyonLyonFrance
- Université Lyon 1VilleurbanneFrance
| | - Folkert Kuipers
- Department of PediatricsUniversity of Groningen, University Medical Center GroningenGroningenThe Netherlands
- Department of Laboratory MedicineUniversity of Groningen, University Medical Center GroningenGroningenThe Netherlands
| | - Dirk‐Jan Reijngoud
- Department of PediatricsUniversity of Groningen, University Medical Center GroningenGroningenThe Netherlands
| | - Terry G. J. Derks
- Department of PediatricsUniversity of Groningen, University Medical Center GroningenGroningenThe Netherlands
- Department of Metabolic Diseases, Beatrix Children's HospitalUniversity of Groningen, University Medical Center GroningenGroningenThe Netherlands
| | - Maaike H. Oosterveer
- Department of PediatricsUniversity of Groningen, University Medical Center GroningenGroningenThe Netherlands
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Doghri Y, Dubreil L, Lalanne V, Hélissen O, Fleurisson R, Thorin C, Desfontis JC, Mallem MY. Soluble guanylate cyclase chronic stimulation effects on cardiovascular reactivity in cafeteria diet-induced rat model of metabolic syndrome. Eur J Pharmacol 2021; 899:173978. [PMID: 33691164 DOI: 10.1016/j.ejphar.2021.173978] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2020] [Revised: 02/05/2021] [Accepted: 02/19/2021] [Indexed: 11/19/2022]
Abstract
Metabolic syndrome is linked to an increased risk of cardiovascular complications by a mechanism involving mainly decreased nitric oxide (NO) bioavailability and impaired NO-soluble guanylate cyclase (sGC)- cyclic guanosine monophosphate (cGMP) signalling (NO-sGC-cGMP). To further develop this scientific point, this study aimed to investigate the effects of long-term treatment with BAY 41-2272 (a sGC stimulator) on cardiovascular reactivity of spontaneously hypertensive rats (SHR) as a model of metabolic syndrome. SHR were randomly divided into 3 groups: control group, cafeteria diet (CD)-fed group and CD-fed group treated daily with BAY 41-2272 (5 mg/kg) by gastric gavage for 12 weeks. In vivo measurements of body weight, abdominal circumference, blood pressure and glucose tolerance test were performed. At the end of the feeding period, ex vivo cumulative concentration-response curves were performed on isolated perfused heart (isoproterenol (0.1 nM - 1 μM)) and thoracic aorta (phenylephrine (1 nM-10 μM), acetylcholine (1 nM-10 μM), and sodium nitroprusside (SNP) (0.1 nM-0.1 μM)). We showed that chronic CD feeding induced abdominal obesity, hypertriglyceridemia, glucose intolerance and exacerbated arterial hypertension in SHR. Compared to control group, CD-fed group showed a decrease in β-adrenoceptor-induced cardiac inotropy, in coronary perfusion pressure and in aortic contraction to phenylephrine. While relaxing effects of acetylcholine and SNP were unchanged. BAY 41-2272 long-term treatment markedly prevented arterial hypertension development and glucose intolerance, enhanced the α1-adrenoceptor-induced vasoconstriction, and restored cardiac inotropy and coronary vasodilation. These findings suggest that BAY 41-2272 may be a potential novel drug for preventing metabolic and cardiovascular complications of metabolic syndrome.
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MESH Headings
- Animals
- Aorta, Thoracic/drug effects
- Aorta, Thoracic/enzymology
- Aorta, Thoracic/physiopathology
- Cardiovascular Diseases/enzymology
- Cardiovascular Diseases/etiology
- Cardiovascular Diseases/physiopathology
- Cardiovascular Diseases/prevention & control
- Coronary Circulation/drug effects
- Cyclic GMP/metabolism
- Disease Models, Animal
- Enzyme Activation
- Enzyme Activators/pharmacology
- Glucose Intolerance/enzymology
- Glucose Intolerance/etiology
- Glucose Intolerance/physiopathology
- Glucose Intolerance/prevention & control
- Hypertension/enzymology
- Hypertension/etiology
- Hypertension/physiopathology
- Hypertension/prevention & control
- Hypertriglyceridemia/enzymology
- Hypertriglyceridemia/etiology
- Hypertriglyceridemia/physiopathology
- Hypertriglyceridemia/prevention & control
- Isolated Heart Preparation
- Male
- Metabolic Syndrome/enzymology
- Metabolic Syndrome/etiology
- Metabolic Syndrome/physiopathology
- Metabolic Syndrome/prevention & control
- Nitric Oxide Synthase Type II/metabolism
- Obesity, Abdominal/enzymology
- Obesity, Abdominal/etiology
- Obesity, Abdominal/physiopathology
- Obesity, Abdominal/prevention & control
- Pyrazoles/pharmacology
- Pyridines/pharmacology
- Rats, Inbred SHR
- Soluble Guanylyl Cyclase/metabolism
- Vasoconstriction/drug effects
- Vasodilation/drug effects
- Ventricular Function, Left/drug effects
- Ventricular Pressure/drug effects
- Rats
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Affiliation(s)
- Yosra Doghri
- UPSP NP3 (2017.B146), Nutrition, Pathophysiology and Pharmacology, Oniris, Nantes-Atlantic College of Veterinary Medicine Food Sciences and Engineering, 44307, Nantes Cedex 03, France
| | - Laurence Dubreil
- UMR PAnTher 703 INRA/Oniris Animal Pathophysiology and Bio Therapy for Muscle and Nervous System Diseases, Oniris, Nantes-Atlantic College of Veterinary Medicine Food Sciences and Engineering, 44307, Nantes Cedex 03, France
| | - Valérie Lalanne
- UPSP NP3 (2017.B146), Nutrition, Pathophysiology and Pharmacology, Oniris, Nantes-Atlantic College of Veterinary Medicine Food Sciences and Engineering, 44307, Nantes Cedex 03, France
| | - Ophélie Hélissen
- UPSP NP3 (2017.B146), Nutrition, Pathophysiology and Pharmacology, Oniris, Nantes-Atlantic College of Veterinary Medicine Food Sciences and Engineering, 44307, Nantes Cedex 03, France
| | - Romain Fleurisson
- UMR PAnTher 703 INRA/Oniris Animal Pathophysiology and Bio Therapy for Muscle and Nervous System Diseases, Oniris, Nantes-Atlantic College of Veterinary Medicine Food Sciences and Engineering, 44307, Nantes Cedex 03, France
| | - Chantal Thorin
- UPSP NP3 (2017.B146), Nutrition, Pathophysiology and Pharmacology, Oniris, Nantes-Atlantic College of Veterinary Medicine Food Sciences and Engineering, 44307, Nantes Cedex 03, France
| | - Jean-Claude Desfontis
- UPSP NP3 (2017.B146), Nutrition, Pathophysiology and Pharmacology, Oniris, Nantes-Atlantic College of Veterinary Medicine Food Sciences and Engineering, 44307, Nantes Cedex 03, France
| | - M Yassine Mallem
- UPSP NP3 (2017.B146), Nutrition, Pathophysiology and Pharmacology, Oniris, Nantes-Atlantic College of Veterinary Medicine Food Sciences and Engineering, 44307, Nantes Cedex 03, France.
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Sato D, Morino K, Ogaku S, Tsuji A, Nishimura K, Sekine O, Ugi S, Maegawa H. Efficacy of metformin on postprandial plasma triglyceride concentration by administration timing in patients with type 2 diabetes mellitus: A randomized cross-over pilot study. J Diabetes Investig 2019; 10:1284-1290. [PMID: 30688410 PMCID: PMC6717824 DOI: 10.1111/jdi.13016] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/10/2018] [Revised: 01/07/2019] [Accepted: 01/22/2019] [Indexed: 01/01/2023] Open
Abstract
AIMS/INTRODUCTION Preprandial metformin administration significantly reduces postprandial plasma triglyceride levels in animal studies by reducing intestinal absorption through delayed gastric emptying. However, this effect has not been shown in a clinical study. Therefore, we planned to investigate the efficacy of preprandial metformin administration on postprandial hypertriglyceridemia and the related gastrointestinal effects in patients with type 2 diabetes mellitus. MATERIALS AND METHODS A total of 11 patients taking single-dose metformin at 500-1,000 mg, with non-fasting plasma triglyceride levels of 150-1,000 mg/dL, were recruited at a single university hospital. The difference between preprandial and postprandial metformin administration on postprandial hypertriglyceridemia was examined by a meal test. The gastrointestinal effects of metformin, including stomach heaviness, heartburn and satiety, were also assessed using a visual analog scale. RESULTS The mean bodyweight of patients was 80.6 kg (body mass index 27.9 kg/m2 ), and the mean non-fasting plasma triglyceride level was 275.9 ± 57.0 mg/dL. The area under the curve of triglyceride during the meal test was significantly lower in the preprandial protocol than in the postprandial protocol (P < 0.05). Compared with postprandial administration, preprandial administration of metformin increased satiety (P = 0.036) without stomach heaviness or heartburn. CONCLUSIONS Preprandial metformin administration significantly reduced plasma triglyceride level during meal testing without marked exacerbation of gastrointestinal adverse effects. The present results suggest that a simple change in the timing of metformin administration represents a novel approach for enhancing triglyceride-lowering strategies in patients with type 2 diabetes mellitus and postprandial hypertriglyceridemia.
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Affiliation(s)
- Daisuke Sato
- Department of MedicineDivision of Endocrinology and MetabolismShiga University of Medical ScienceSeta‐OtsuShigaJapan
| | - Katsutaro Morino
- Department of MedicineDivision of Endocrinology and MetabolismShiga University of Medical ScienceSeta‐OtsuShigaJapan
| | - Seiichiro Ogaku
- Department of MedicineDivision of Endocrinology and MetabolismShiga University of Medical ScienceSeta‐OtsuShigaJapan
| | - Akiko Tsuji
- Department of MedicineDivision of Endocrinology and MetabolismShiga University of Medical ScienceSeta‐OtsuShigaJapan
| | - Kimihiro Nishimura
- Department of MedicineDivision of Endocrinology and MetabolismShiga University of Medical ScienceSeta‐OtsuShigaJapan
| | - Osamu Sekine
- Department of MedicineDivision of Endocrinology and MetabolismShiga University of Medical ScienceSeta‐OtsuShigaJapan
| | - Satoshi Ugi
- Department of MedicineDivision of Endocrinology and MetabolismShiga University of Medical ScienceSeta‐OtsuShigaJapan
| | - Hiroshi Maegawa
- Department of MedicineDivision of Endocrinology and MetabolismShiga University of Medical ScienceSeta‐OtsuShigaJapan
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Terzo S, Caldara GF, Ferrantelli V, Puleio R, Cassata G, Mulè F, Amato A. Pistachio Consumption Prevents and Improves Lipid Dysmetabolism by Reducing the Lipid Metabolizing Gene Expression in Diet-Induced Obese Mice. Nutrients 2018; 10:nu10121857. [PMID: 30513740 PMCID: PMC6316241 DOI: 10.3390/nu10121857] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/20/2018] [Revised: 11/09/2018] [Accepted: 11/16/2018] [Indexed: 12/15/2022] Open
Abstract
Pistachios contain beneficial substances such as unsaturated fatty acids, phytosterols, and polyphenols. In the present study, we investigated if pistachio consumption is able to prevent or to revert hyperglycemia, dyslipidemia, hepatic steatosis, and adipose tissue morphological alterations caused by high fat diet (HFD) in the mouse. Moreover, the impact of pistachio intake on the mRNA expression of peroxisome proliferator-activated receptor γ (PPAR-γ), fatty acid transport proteins (FAT-P), fatty acid synthase (FAS), stearoyl-CoA desaturase (SCD1), and sterol regulatory element-binding transcription factor-1c (SREBP-1c) in liver and adipose tissue was also analyzed. No change in body weight, food intake, and hyperglycemia was observed between mice consuming pistachios (HFD-P) and HFD mice. Pistachio intake was able to prevent but not to reverse HFD-induced hypertriglyceridemia. Cholesterol plasma levels, steatosis grading, body fat mass, and adipocyte size were significantly lower in HFD-P group compared to HFD in both prevention and reversal protocol. Pistachio-diet was able to prevent HFD-induced overexpression of PPAR-γ, FAS, and SCD1 in the liver and SREBP-1c, PPAR-γ, and FAT-P in adipose tissue. Similarly, HFD-P significantly ameliorated the expression levels of FAT-P and SCD1 in the liver and SREBP-1c, FAS, and SCD1 in adipose tissue of obese mice. The present study shows that pistachio consumption is able to prevent and to ameliorate obesity-related dysfunctions by positively modulating the expression of genes linked to lipid metabolism.
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Affiliation(s)
- Simona Terzo
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), Università di Palermo, viale delle Scienze, Edificio 16, 90128 Palermo, Italy.
| | - Gaetano Felice Caldara
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), Università di Palermo, viale delle Scienze, Edificio 16, 90128 Palermo, Italy.
| | - Vincenzo Ferrantelli
- Istituto Zooprofilattico Sperimentale della Sicilia "A. Mirri", Via Gino Marinuzzi 3, 90129 Palermo, Italy.
| | - Roberto Puleio
- Istituto Zooprofilattico Sperimentale della Sicilia "A. Mirri", Via Gino Marinuzzi 3, 90129 Palermo, Italy.
| | - Giovanni Cassata
- Istituto Zooprofilattico Sperimentale della Sicilia "A. Mirri", Via Gino Marinuzzi 3, 90129 Palermo, Italy.
| | - Flavia Mulè
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), Università di Palermo, viale delle Scienze, Edificio 16, 90128 Palermo, Italy.
| | - Antonella Amato
- Dipartimento di Scienze e Tecnologie Biologiche, Chimiche e Farmaceutiche (STEBICEF), Università di Palermo, viale delle Scienze, Edificio 16, 90128 Palermo, Italy.
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7
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Mena-Sánchez G, Babio N, Martínez-González MÁ, Corella D, Schröder H, Vioque J, Romaguera D, Martínez JA, Lopez-Miranda J, Estruch R, Wärnberg J, Bueno-Cavanillas A, Serra-Majem L, Tur JA, Arós F, Tinahones FJ, Sánchez VM, Lapetra J, Pintó X, Vidal J, Vázquez C, Ordovás JM, Delgado-Rodriguez M, Matía-Martín P, Basora J, Buil-Cosiales P, Fernandez-Carrion R, Fitó M, Salas-Salvadó J. Fermented dairy products, diet quality, and cardio-metabolic profile of a Mediterranean cohort at high cardiovascular risk. Nutr Metab Cardiovasc Dis 2018; 28:1002-1011. [PMID: 30207268 DOI: 10.1016/j.numecd.2018.05.006] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2018] [Revised: 05/10/2018] [Accepted: 05/11/2018] [Indexed: 11/23/2022]
Abstract
BACKGROUND AND AIMS Fermented dairy products have been associated with a better diet quality and cardio-metabolic profile. However, in Mediterranean populations, these associations have not been well characterized. The aim of this study was to assess the diet quality and the associations between the consumption of total fermented dairy products and their subtypes and the prevalence of Metabolic Syndrome (MetS) components in a Mediterranean population at high cardiovascular risk. METHODS AND RESULTS Baseline cross-sectional analyses were conducted on 6,572 men and women (mean age: 65 years) with overweight or obesity and MetS recruited into the PREDIMED-Plus cohort. A 143-item Food Frequency Questionnaire (FFQ) was used, and anthropometrical, biochemical, and blood pressure measurements were recorded. Multivariate-adjusted Cox regressions were fitted to analyze the association between quartiles of consumption of fermented dairy products and their subtypes and MetS components to estimate the relative risk (RR) and 95% confidence intervals (95% CIs). Participants who were high consumers of fermented dairy products reported a higher consumption of fruit, vegetables, fish, nuts, and whole bread and a lower consumption of white bread, alcohol, and cookies. Participants in the higher quartile showed a lower prevalence of the low HDL-cholesterol component of the MetS (RR=0.88; 95% CI: 0.78-0.98) than those in the lowest quartile of cheese consumption. Cheese consumption was inversely associated with the prevalence of hypertriglyceridemia. Total fermented dairy products, yogurt, and its types were not associated with any of the MetS components. CONCLUSIONS Compared to nonconsumers, participants consuming fermented dairy products reported a better diet quality and, particularly, cheese consumers presented a lower prevalence of hypertriglyceridemia and low HDL-cholesterol plasma levels, which are MetS components.
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Affiliation(s)
- G Mena-Sánchez
- Human Nutrition Unit, University Hospital of Sant Joan de Reus, Department of Biochemistry and Biotechnology, Pere Virgili Institute for Health Research, Rovira i Virgili University, Reus, Spain; CIBER de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain
| | - N Babio
- Human Nutrition Unit, University Hospital of Sant Joan de Reus, Department of Biochemistry and Biotechnology, Pere Virgili Institute for Health Research, Rovira i Virgili University, Reus, Spain; CIBER de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain.
| | - M Á Martínez-González
- CIBER de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain; Department of Preventive Medicine and Public Health, University of Navarra-Navarra Institute for Health Research, Pamplona, Spain; Harvard TH Chan School of Public Health, Department of Nutrition, Boston, USA
| | - D Corella
- CIBER de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain; Department of Preventive Medicine, University of Valencia, Valencia, Spain
| | - H Schröder
- Cardiovascular Risk and Nutrition Research Group (CARIN), Hospital del Mar Research Institute (IMIM), Barcelona, Spain; CIBER de Epidemiología y Salud Pública (CIBERESP), Instituto de Salud Carlos III, Madrid, Spain
| | - J Vioque
- CIBER de Epidemiología y Salud Pública (CIBERESP), Instituto de Salud Carlos III, Madrid, Spain; Nutritional Epidemiology Research Group, University of Miguel Hernández, Alicante, Spain
| | - D Romaguera
- CIBER de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain; Instituto de Investigación Sanitaria Illes Balears (IdISBa), University Hospital Son Espases, Palma de Mallorca, Spain
| | - J A Martínez
- CIBER de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain; Department of Nutrition, Food Sciences, and Physiology, Center for Nutrition Research, University of Navarra, Pamplona, Spain; Madrid Institute for Advanced Studies (IMDEA) Food Institute, Madrid, Spain
| | - J Lopez-Miranda
- CIBER de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain; Lipids and Atherosclerosis Unit, Department of Internal Medicine, Reina Sofia University Hospital, IMIBIC, University of Córdoba, Córdoba, Spain
| | - R Estruch
- CIBER de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain; Department of Internal Medicine, Hospital Clínic, IDIBAPS August Pi i Sunyer Biomedical Research Institute, University of Barcelona, Barcelona, Spain
| | - J Wärnberg
- CIBER de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain; Department of Nursing, University of Malaga, Institute of Biomedical Research in Malaga (IBIMA), Malaga, Spain
| | - A Bueno-Cavanillas
- Nutritional Epidemiology Research Group, University of Miguel Hernández, Alicante, Spain; Departament of Preventive Medicine and Public Health, University of Granada, Spain
| | - L Serra-Majem
- CIBER de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain; Research Institute of Biomedical and Health Sciences, University of Las Palmas de Gran Canaria, Las Palmas de Gran Canaria, Spain
| | - J A Tur
- CIBER de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain; Research Group on Community Nutrition and Oxidative Stress, University of the Balearic Islands, Palma de Mallorca, Spain
| | - F Arós
- CIBER de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain; Department of Cardiology, University Hospital Araba, Vitoria, Spain
| | - F J Tinahones
- CIBER de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain; Department of Endocrinology and Nutrition, Virgen de la Victoria Hospital, Malaga University, Malaga, Spain
| | - V M Sánchez
- Nutritional Epidemiology Research Group, University of Miguel Hernández, Alicante, Spain; Institute of Biomedicine (IBIOMED), University of León, Spain
| | - J Lapetra
- CIBER de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain; Department of Family Medicine, Unit Research, Distrito Sanitario Atención Primaria Sevilla, Sevilla, Spain
| | - X Pintó
- CIBER de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain; Lipid Unit, Department of Internal Medicine, Bellvitge Biomedical Research Institute (IDIBELL)-Hospital Universitari de Bellvitge, L'Hospitalet de Llobregat, Barcelona, Spain
| | - J Vidal
- Department of Lipids, Hospital Clínic, Institut d'Investigacions Biomediques August Pi Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain
| | - C Vázquez
- CIBER de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain; Department of Endocrinology and Nutrition, University Hospital Fundación Jiménez Díaz, Madrid, Spain
| | - J M Ordovás
- Madrid Institute for Advanced Studies (IMDEA) Food Institute, Madrid, Spain; Jean Mayer USDA Human Nutrition Research Center on Aging (JM-USDA-HNRCA), Tufts University, Boston, USA
| | - M Delgado-Rodriguez
- Instituto de Investigación Sanitaria Illes Balears (IdISBa), University Hospital Son Espases, Palma de Mallorca, Spain; Department of Health Sciences, University of Jaen, Jaen, Spain
| | - P Matía-Martín
- Endocrinology and Nutrition Department, Hospital Clínico San Carlos-IdISSC, Madrid, Spain
| | - J Basora
- CIBER de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain; Primary Health Care Area, Reus, Tarragona, Spain; Institut Català de la Salut, Generalitat de Catalunya, Barcelona, Spain
| | - P Buil-Cosiales
- CIBER de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain; Primary Health Care, Servicio Navarro de Salud-Osasunbidea, Pamplona, Navarra, Spain; Navarra Institute for Health Research (IdiSNA), Pamplona, Navarra, Spain
| | - R Fernandez-Carrion
- CIBER de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain; Harvard TH Chan School of Public Health, Department of Nutrition, Boston, USA
| | - M Fitó
- CIBER de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain; Cardiovascular Risk and Nutrition Research Group (CARIN), Hospital del Mar Research Institute (IMIM), Barcelona, Spain
| | - J Salas-Salvadó
- Human Nutrition Unit, University Hospital of Sant Joan de Reus, Department of Biochemistry and Biotechnology, Pere Virgili Institute for Health Research, Rovira i Virgili University, Reus, Spain; CIBER de Fisiopatología de la Obesidad y la Nutrición (CIBEROBN), Instituto de Salud Carlos III, Madrid, Spain.
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8
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Yazdani A, Yazdani A, Bowman TA, Marotta F, Cooke JP, Samiei A. Arachidonic acid as a target for treating hypertriglyceridemia reproduced by a causal network analysis and an intervention study. Metabolomics 2018; 14:78. [PMID: 30830364 DOI: 10.1007/s11306-018-1368-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/14/2018] [Accepted: 05/05/2018] [Indexed: 02/07/2023]
Affiliation(s)
- Azam Yazdani
- University of Texas, Health Science Center, Houston, TX, 77030, USA.
- Climax Data Pattern, Houston, TX, USA.
| | - Akram Yazdani
- Climax Data Pattern, Houston, TX, USA
- Department of Genetics and Genomic Sciences, Icahn School of Medicine at Mount Sinai, New York, 10029, USA
| | - Thomas A Bowman
- Jarrow Formulas, Inc., 1824 S. Robertson Blvd, Los Angeles, CA, 90035, USA
| | | | - John P Cooke
- Department of Cardiovascular Sciences, Houston Methodist, Houston, USA
| | - Ahmad Samiei
- Climax Data Pattern, Houston, TX, USA
- Hasso Plattner Institute, 14482, Potsdam, Germany
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9
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Abstract
BACKGROUND Prevention and treatment of dyslipidemias represent the key issues of Cardiovascular Disease (CVD) prophylaxis. Consequently, the effective management of different types of lipid disorders, including hypertriglyceridemia, should be a priority for the healthcare practitioners (e.g.: cardiology and endocrinology specialists, primary care physicians, dietitians, and pharmacists), who provide medical care, as well as for the patients, who receive this care, and need to be directly engaged in it, in order to improve their outcomes. The aim of this review is to facilitate the translation of current trends in hypertriglyceridemia management into a daily practice. The article focuses on the common causes and consequences of hypertriglyceridemia, and discusses diagnostic evaluation and therapeutic options for patients with high Triglyceride (TG) levels and CVD risk. CONCLUSION This review presents the main practice-related strategies, based on the current guidelines for the management of dyslipidemias and CVD risk, according to the European Society of Cardiology (ESC), the European Atherosclerosis Society (EAS), and the American College of Cardiology (ACC)/American Heart Association (AHA), including both non-pharmacological, and pharmacological approaches. It also addresses the beneficial impact of pharmaceutical Care (PC) interventions on clinical outcomes of patients with lipid disorders and CVD risk (in light of Randomized Controlled Trials (RCT) data), and underlines the importance of close cooperation between physicians and pharmacists, who manage such patients.
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Affiliation(s)
- Katarzyna Rygiel
- Department of Family Practice, Medical University of Silesia (SUM), Katowice-Zabrze, Poland
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10
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Johansen RF, Søndergaard E, Linnebjerg H, Garhyan P, Lam ECQ, Porksen N, Jacober SJ, Nielsen S. Attenuated suppression of lipolysis explains the increases in triglyceride secretion and concentration associated with basal insulin peglispro relative to insulin glargine treatment in patients with type 1 diabetes. Diabetes Obes Metab 2018; 20:419-426. [PMID: 28817248 DOI: 10.1111/dom.13087] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Revised: 08/04/2017] [Accepted: 08/12/2017] [Indexed: 01/11/2023]
Abstract
AIMS To test the hypothesis that, as well as lowering weight and increasing plasma triglyceride (TG) levels and hepatic fat compared with insulin glargine (GL) in patients with type 1 diabetes, the attenuated peripheral effects of basal insulin peglispro (BIL) may include increased free fatty acid flux to the liver, causing increased very-low-density lipoprotein (VLDL)-TG secretion and lipid oxidation, and decreased TG adipose tissue deposition. METHODS In this open-label, randomized, 2-period crossover study, 14 patients with type 1 diabetes received once-daily, individualized, stable BIL or GL doses for 3 weeks. Palmitate flux was assessed using [9,10-3 H]palmitate infusion. VLDL-TG secretion, clearance and oxidation rate were assessed using primed-constant infusion of ex vivo labelled [1-14 C]VLDL-TG, while VLDL-TG storage rate was assessed using [9,10-3 H]VLDL-TG bolus injection. RESULTS The VLDL-TG concentration and secretion rate, and palmitate flux were statistically significantly higher during BIL than during GL treatment (58%, 51% and 35%, respectively). The ratios of least squares (LS) geometric means for VLDL-TG clearance and oxidation were 0.92 (95% confidence interval [CI] 0.72, 1.17) and 1.31 (95% CI 0.91, 1.90), respectively. The difference in LS means for VLDL-TG storage rate was -0.36 (95% CI -0.83, 0.12). CONCLUSIONS BIL-treated patients had higher effective lipolysis, VLDL-TG secretion and VLDL-TG concentration compared with GL-treated patients, explaining the increased plasma TG concentrations reported previously. Data support attenuated effects of BIL on lipolysis, in addition to the recently described hepato-preferential glucodynamic effects.
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Affiliation(s)
- Rakel F Johansen
- Department of Endocrinology and Internal Medicine, Aarhus University Hospital, Aarhus, Denmark
| | - Esben Søndergaard
- Department of Endocrinology and Internal Medicine, Aarhus University Hospital, Aarhus, Denmark
| | | | | | - Eric C Q Lam
- Formerly of Eli Lilly and Company, Singapore, Singapore
| | - Niels Porksen
- Formerly of Eli Lilly and Company, Indianapolis, Indiana
| | | | - Søren Nielsen
- Department of Endocrinology and Internal Medicine, Aarhus University Hospital, Aarhus, Denmark
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11
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de Boer SA, Heerspink HJL, Juárez Orozco LE, van Roon AM, Kamphuisen PW, Smit AJ, Slart RHJA, Lefrandt JD, Mulder DJ. Effect of linagliptin on pulse wave velocity in early type 2 diabetes: A randomized, double-blind, controlled 26-week trial (RELEASE). Diabetes Obes Metab 2017; 19:1147-1154. [PMID: 28244635 DOI: 10.1111/dom.12925] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/20/2017] [Revised: 02/21/2017] [Accepted: 02/23/2017] [Indexed: 02/06/2023]
Abstract
AIMS To evaluate the effects of the dipeptidyl peptidase-4 (DPP-4) inhibitor linagliptin on aortic pulse wave velocity (PWV) as a surrogate marker of arterial stiffness and early atherosclerosis in people with early type 2 diabetes. METHODS A total of 45 people with type 2 diabetes (median [interquartile range] age 63 [54-66] years, 61% men, mean ± standard deviation glycated haemoglobin [HbA1c] 6.3% ± 0.4% [45 ± 4.6 mmol/mol]), without cardiovascular disease and naïve to antidiabetic treatment, were randomized (1:1) to treatment with linagliptin 5 mg once daily or placebo for 26 weeks in a double-blind fashion. PWV was assessed at baseline, 4 and 26 weeks of treatment, and again at 30, 4 weeks after treatment. The primary endpoint was between-group difference in PWV (corrected for systolic blood pressure [SBP]) at week 26. Secondary endpoints included differences in central SBP and augmentation index (AIx). RESULTS Compared with placebo, 26 weeks of linagliptin decreased PWV by an average of 0.91 m/s (95% confidence interval -1.76 to -0.06; P = .035). PWV returned to baseline after 4 weeks washout. Differences in central SBP and AIx were not different between linagliptin and placebo. Linagliptin decreased HbA1c (-0.4%; P < .001), fasting plasma glucose (-0.7 mmol/L; P = .002) and triglycerides (-0.49 mmol/L; P = .019) as compared with placebo. The changes in body weight, cholesterol and high-sensitivity C-reactive protein did not differ between groups. CONCLUSIONS Linagliptin decreased aortic PWV in people with early-stage type 2 diabetes as compared with placebo after 26 weeks of treatment. These results suggest that linagliptin has a favourable effect on arterial stiffness.
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Affiliation(s)
- Stefanie A de Boer
- Department of Vascular Medicine, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - Hiddo J L Heerspink
- Department of Clinical Pharmacy and Pharmacology, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - Luis E Juárez Orozco
- Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - Arie M van Roon
- Department of Vascular Medicine, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - Pieter W Kamphuisen
- Department of Vascular Medicine, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - Andries J Smit
- Department of Vascular Medicine, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - Riemer H J A Slart
- Department of Nuclear Medicine and Molecular Imaging, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
- Department of Biomedical Photonic Imaging, University of Twente, Enschede, The Netherlands
| | - Joop D Lefrandt
- Department of Vascular Medicine, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
| | - Douwe J Mulder
- Department of Vascular Medicine, University of Groningen, University Medical Centre Groningen, Groningen, The Netherlands
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12
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Kim Y, Keogh JB, Clifton PM. Differential Effects of Red Meat/Refined Grain Diet and Dairy/Chicken/Nuts/Whole Grain Diet on Glucose, Insulin and Triglyceride in a Randomized Crossover Study. Nutrients 2016; 8:nu8110687. [PMID: 27809219 PMCID: PMC5133075 DOI: 10.3390/nu8110687] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2016] [Revised: 10/19/2016] [Accepted: 10/25/2016] [Indexed: 11/28/2022] Open
Abstract
Epidemiological studies suggest that a diet high in processed meat, with a high glycemic index is associated with an increased risk of type 2 diabetes. It is not clear if this is due to altered insulin sensitivity or an enhanced postprandial glucose. We aimed to compare the acute metabolic response of two different types of meals after ingestion of the matching diet for four weeks. The study was a randomized, crossover acute meal study. Volunteers consumed either a red meat/refined grain meal or a dairy/chicken/nuts/wholegrain meal after four weeks of the matching diet. After a three-week washout period and four weeks of the alternate diet, they consumed the matching meal. The diets differed with respect to both protein and carbohydrate sources. Blood samples were taken for 180 min for the measurement of glucose, insulin, C-peptide and triglyceride. Fifty-one participants (age: 35.1 ± 15.6 years; body mass index: 27.7 ± 6.9 kg/m2, 17 with normal and 34 with impaired glucose tolerance) completed two meal tests. The area under the curve (p < 0.001) and incremental area under the curve (p = 0.001) for insulin was significantly higher after the red meat/refined grain diet than after the dairy/chicken/nuts/whole grain diet. There was an interaction between meal and glucose tolerance group (p < 0.05) in the area under the curve (AUC) and the incremental area under the curve (iAUC) of glucose; the red meat/refined grain diet increased glucose relative to the dairy/chicken/nuts/whole grain diet only in the normal group (+2.5 mmol/L/3 h). The red meat/refined grain diet increased glucose and insulin responses compared with the dairy/chicken/nuts/whole grain diet. This meal pattern would increase pancreatic stress long term and may account for the increased risk of type 2 diabetes with this diet.
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Affiliation(s)
- Yoona Kim
- School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, SA 5000, Australia.
| | - Jennifer B Keogh
- School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, SA 5000, Australia.
| | - Peter M Clifton
- School of Pharmacy and Medical Sciences, University of South Australia, Adelaide, SA 5000, Australia.
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13
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Chen GC, Su HM, Lin YS, Tsou PY, Chyuan JH, Chao PM. A conjugated fatty acid present at high levels in bitter melon seed favorably affects lipid metabolism in hepatocytes by increasing NAD(+)/NADH ratio and activating PPARα, AMPK and SIRT1 signaling pathway. J Nutr Biochem 2016; 33:28-35. [PMID: 27260465 DOI: 10.1016/j.jnutbio.2016.03.009] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2015] [Revised: 03/09/2016] [Accepted: 03/20/2016] [Indexed: 01/13/2023]
Abstract
α-Eleostearic acid (α-ESA), or the cis-9, trans-11, trans-13 isomer of conjugated linolenic acid, is a special fatty acid present at high levels in bitter melon seed oil. The aim of this study was to examine the effect of α-ESA on hepatic lipid metabolism. Using H4IIEC3 hepatoma cell line, we showed that α-ESA significantly lowered intracellular triglyceride accumulation compared to α-linolenic acid (LN), used as a fatty acid control, in a dose- and time-dependent manner. The effects of α-ESA on enzyme activities and mRNA profiles in H4IIEC3 cells suggested that enhanced fatty acid oxidation and lowered lipogenesis were involved in α-ESA-mediated triglyceride lowering effects. In addition, α-ESA triggered AMP-activated protein kinase (AMPK) activation without altering sirtuin 1 (SIRT1) protein levels. When cells were treated with vehicle control (VC), LN alone (LN; 100μmol/L) or in combination with α-ESA (LN+α-ESA; 75+25μmol/L) for 24h, acetylation of forkhead box protein O1 was decreased, while the NAD(+)/NADH ratio, mRNA levels of NAMPT and PTGR1 and enzyme activity of nicotinamide phosphoribosyltransferase were increased by LN+α-ESA treatment compared to treatment with LN alone, suggesting that α-ESA activates SIRT1 by increasing NAD(+) synthesis and NAD(P)H consumption. The antisteatosis effect of α-ESA was confirmed in mice treated with a high-sucrose diet supplemented with 1% α-ESA for 5weeks. We conclude that α-ESA favorably affects hepatic lipid metabolism by increasing cellular NAD(+)/NADH ratio and activating PPARα, AMPK and SIRT1 signaling pathways.
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Affiliation(s)
- Gou-Chun Chen
- Department of Nutrition, China Medical University, Taichung, Taiwan
| | - Hui-Min Su
- Graduate Institute of Physiology, National Taiwan University, Taipei, Taiwan
| | - Yu-Shun Lin
- Department of Nutrition, China Medical University, Taichung, Taiwan
| | - Po-Yen Tsou
- Department of Nutrition, China Medical University, Taichung, Taiwan
| | - Jong-Ho Chyuan
- Hualien District Agricultural Research and Extension Station, Hualien, Taiwan
| | - Pei-Min Chao
- Department of Nutrition, China Medical University, Taichung, Taiwan.
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14
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Karamali M, Heidarzadeh Z, Seifati SM, Samimi M, Tabassi Z, Hajijafari M, Asemi Z, Esmaillzadeh A. Zinc supplementation and the effects on metabolic status in gestational diabetes: A randomized, double-blind, placebo-controlled trial. J Diabetes Complications 2015; 29:1314-9. [PMID: 26233572 DOI: 10.1016/j.jdiacomp.2015.07.001] [Citation(s) in RCA: 40] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/05/2015] [Revised: 06/23/2015] [Accepted: 07/01/2015] [Indexed: 10/23/2022]
Abstract
OBJECTIVE To the best of our knowledge, no reports are available indicating the effects of zinc supplementation on metabolic status in women with gestational diabetes (GDM). This study was designed to determine the effects of zinc supplementation on glucose homeostasis parameters and lipid concentrations in GDM women. METHODS This randomized, double-blind, placebo-controlled trial was performed among 58 women diagnosed with GDM, primigravida and aged 18-40years old. Patients were randomly divided into two groups to receive 233mg zinc gluconate (containing 30mg zinc) supplements (n=29) or placebo (n=29) per day for 6weeks. Fasting blood samples were taken at the beginning and end of the trial to quantify glucose, insulin and lipid concentrations. RESULTS Patients who received zinc supplements had significantly higher serum zinc concentrations (+6.9±13.2 vs. -1.5±16.5mg/dL, P=0.03) than those received the placebo. In addition, zinc-supplemented patients had reduced fasting plasma glucose (FPG) (-6.6±11.2 vs. +0.6±6.7mg/dL, P=0.005), serum insulin levels (-1.3±6.6 vs. +6.6±12.2μIU/mL, P=0.003), homeostasis model of assessment-insulin resistance (HOMA-IR) (-0.5±1.6 vs. +1.5±2.7, P=0.001), homeostatic model assessment-Beta cell function (HOMA-B) (-0.7±25.0 vs. +26.5±49.5, P=0.01) and increased quantitative insulin sensitivity check index (QUICKI) (+0.01±0.01 vs. -0.01±0.02, P=0.004) compared with the placebo. Additionally, significant differences in serum triglycerides (+13.6±61.4 vs. +45.9±36.5mg/dL, P=0.01) and VLDL-cholesterol concentrations (+2.7±12.3 vs. +9.2±7.3mg/dL, P=0.01) were observed following the administration of zinc supplements compared with the placebo.We did not observe any significant effects of taking zinc supplements on other lipid profiles. CONCLUSIONS Taken together, 30mg zinc supplementation per day for 6weeks among GDM women had beneficial effects on metabolic profiles.
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Affiliation(s)
- Maryam Karamali
- Department of Gynecology and Obstetrics, School of Medicine, Arak University of Medical Sciences, Arak, I.R. Iran; Department of Gynecology and Obstetrics, School of Medicine, Iran University of Medical Sciences, Iran, I.R. Iran
| | - Zahra Heidarzadeh
- Department of Biology, Islamic Azad University, Ashkezar branch, Ashkezar, Iran
| | | | - Mansooreh Samimi
- Department of Gynecology and Obstetrics, School of Medicine, Kashan University of Medical Sciences, Kashan, I.R. Iran
| | - Zohreh Tabassi
- Department of Gynecology and Obstetrics, School of Medicine, Kashan University of Medical Sciences, Kashan, I.R. Iran
| | - Mohammad Hajijafari
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, I.R. Iran
| | - Zatollah Asemi
- Research Center for Biochemistry and Nutrition in Metabolic Diseases, Kashan University of Medical Sciences, Kashan, I.R. Iran.
| | - Ahmad Esmaillzadeh
- Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran; Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
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15
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Zhang H, Li Y, Hu J, Shen WJ, Singh M, Hou X, Bittner A, Bittner S, Cortez Y, Tabassum J, Kraemer FB, Azhar S. Effect of Creosote Bush-Derived NDGA on Expression of Genes Involved in Lipid Metabolism in Liver of High-Fructose Fed Rats: Relevance to NDGA Amelioration of Hypertriglyceridemia and Hepatic Steatosis. PLoS One 2015; 10:e0138203. [PMID: 26394137 PMCID: PMC4578927 DOI: 10.1371/journal.pone.0138203] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2014] [Accepted: 08/27/2015] [Indexed: 12/11/2022] Open
Abstract
Nordihydroguaiaretic acid (NDGA), the main metabolite of Creosote bush, has been shown to have profound effects on the core components of the metabolic syndrome (MetS), lowering blood glucose, free fatty acids (FFA) and triglyceride (TG) levels in several models of dyslipidemia, as well as improving body weight (obesity), insulin resistance, diabetes and hypertension, and ameliorating hepatic steatosis. In the present study, a high-fructose diet (HFrD) fed rat model of hypertriglyceridemia was employed to further delineate the underlying mechanism by which NDGA exerts its anti-hypertriglyceridemic action. In the HFrD treatment group, NDGA administration by oral gavage decreased plasma levels of TG, glucose, FFA, and insulin, increased hepatic mitochondrial fatty acid oxidation and attenuated hepatic TG accumulation. qRT-PCR measurements indicated that NDGA treatment increased the mRNA expression of key fatty acid transport (L-FABP, CD36), and fatty acid oxidation (ACOX1, CPT-2, and PPARα transcription factor) genes and decreased the gene expression of enzymes involved in lipogenesis (FASN, ACC1, SCD1, L-PK and ChREBP and SREBP-1c transcription factors). Western blot analysis indicated that NDGA administration upregulated hepatic insulin signaling (P-Akt), AMPK activity (P-AMPK), MLYCD, and PPARα protein levels, but decreased SCD1, ACC1 and ACC2 protein content and also inactivated ACC1 activity (increased P-ACC1). These findings suggest that NDGA ameliorates hypertriglyceridemia and hepatic steatosis primarily by interfering with lipogenesis and promoting increased channeling of fatty acids towards their oxidation.
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Affiliation(s)
- Haiyan Zhang
- Geriatric Research, Education and Clinical Center, VA Palo Alto Health Care System, Palo Alto, California, United States of America
- Division of Endocrinology, Stanford University, Stanford, California, United States of America
| | - Yihang Li
- Geriatric Research, Education and Clinical Center, VA Palo Alto Health Care System, Palo Alto, California, United States of America
- Division of Endocrinology, Stanford University, Stanford, California, United States of America
| | - Jie Hu
- Geriatric Research, Education and Clinical Center, VA Palo Alto Health Care System, Palo Alto, California, United States of America
| | - Wen-Jun Shen
- Geriatric Research, Education and Clinical Center, VA Palo Alto Health Care System, Palo Alto, California, United States of America
- Division of Endocrinology, Stanford University, Stanford, California, United States of America
| | - Madhurima Singh
- Geriatric Research, Education and Clinical Center, VA Palo Alto Health Care System, Palo Alto, California, United States of America
- Division of Endocrinology, Stanford University, Stanford, California, United States of America
| | - Xiaoming Hou
- Geriatric Research, Education and Clinical Center, VA Palo Alto Health Care System, Palo Alto, California, United States of America
- Division of Endocrinology, Stanford University, Stanford, California, United States of America
| | - Alex Bittner
- Geriatric Research, Education and Clinical Center, VA Palo Alto Health Care System, Palo Alto, California, United States of America
| | - Stefanie Bittner
- Geriatric Research, Education and Clinical Center, VA Palo Alto Health Care System, Palo Alto, California, United States of America
| | - Yuan Cortez
- Geriatric Research, Education and Clinical Center, VA Palo Alto Health Care System, Palo Alto, California, United States of America
| | - Juveria Tabassum
- Geriatric Research, Education and Clinical Center, VA Palo Alto Health Care System, Palo Alto, California, United States of America
| | - Fredric B. Kraemer
- Geriatric Research, Education and Clinical Center, VA Palo Alto Health Care System, Palo Alto, California, United States of America
- Division of Endocrinology, Stanford University, Stanford, California, United States of America
| | - Salman Azhar
- Geriatric Research, Education and Clinical Center, VA Palo Alto Health Care System, Palo Alto, California, United States of America
- Division of Endocrinology, Stanford University, Stanford, California, United States of America
- * E-mail:
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16
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Abstract
High levels of low-density lipoprotein cholesterol (LDL-C) are an obvious culprit in coronary artery disease (CAD). However, the search for lipid factors that influence cardiovascular health does not end there. In this article, Dr Nash presents the various lipid factors involved, for better or worse, in CAD. He emphasizes that although studies have expanded the understanding of this disease, the knowledge needs to be put to use more consistently in clinical practice in order to provide optimal patient care.
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Affiliation(s)
- David T Nash
- State University of New York Upstate Medical University College of Medicine, Syracuse, USA
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17
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Zang Y, Zhang L, Igarashi K, Yu C. The anti-obesity and anti-diabetic effects of kaempferol glycosides from unripe soybean leaves in high-fat-diet mice. Food Funct 2015; 6:834-41. [PMID: 25599885 DOI: 10.1039/c4fo00844h] [Citation(s) in RCA: 103] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2023]
Abstract
The present study investigated the anti-obesity and anti-diabetic effects of kaempferol glycoside (KG) fractions which were composed of four kaempferol glycosides and purified from unripe Jindai-soybean (Edamame) leaves in C57BL/6J mice. High fat-fed mice treated with 0.15% dietary KG for 92 days had reduced body weight, adipose tissue and TG levels compared to the high fat-fed control group. KG-treatment also decreased fasting blood glucose, serum HbA1c (hemoglobin A(1c)) levels and improved insulin resistance. Gene expression analysis of the liver showed that KG decreased peroxisome proliferator-activated receptor (PPAR-γ) and sterol regulatory element-binding protein (SREBP-1c) expression. These results suggest that KG reduced the accumulation of adipose tissue, improving hyperlipidemia as well as diabetes in obese mice by increasing lipid metabolism through the downregulation of PPAR-γ and SREBP-1c. Thus, KG may have an anti-obesity and anti-diabetic potential.
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Affiliation(s)
- Yanqing Zang
- College of Food Science, Heilongjiang Bayi Agricultural University, China.
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18
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Wessels B, Ciapaite J, van den Broek NMA, Houten SM, Nicolay K, Prompers JJ. Pioglitazone treatment restores in vivo muscle oxidative capacity in a rat model of diabetes. Diabetes Obes Metab 2015; 17:52-60. [PMID: 25200673 DOI: 10.1111/dom.12388] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2014] [Revised: 08/27/2014] [Accepted: 09/02/2014] [Indexed: 12/15/2022]
Abstract
AIM To determine the effect of pioglitazone treatment on in vivo and ex vivo muscle mitochondrial function in a rat model of diabetes. METHODS Both the lean, healthy rats and the obese, diabetic rats are Zucker Diabetic Fatty (ZDF) rats. The homozygous fa/fa ZDF rats are obese and diabetic. The heterozygous fa/+ ZDF rats are lean and healthy. Diabetic Zucker Diabetic Fatty rats were treated with either pioglitazone (30 mg/kg/day) or water as a control (n = 6 per group), for 2 weeks. In vivo ¹H and ³¹P magnetic resonance spectroscopy was performed on skeletal muscle to assess intramyocellular lipid (IMCL) content and muscle oxidative capacity, respectively. Ex vivo muscle mitochondrial respiratory capacity was evaluated using high-resolution respirometry. In addition, several markers of mitochondrial content were determined. RESULTS IMCL content was 14-fold higher and in vivo muscle oxidative capacity was 26% lower in diabetic rats compared with lean rats, which was, however, not caused by impairments of ex vivo mitochondrial respiratory capacity or a lower mitochondrial content. Pioglitazone treatment restored in vivo muscle oxidative capacity in diabetic rats to the level of lean controls. This amelioration was not accompanied by an increase in mitochondrial content or ex vivo mitochondrial respiratory capacity, but rather was paralleled by an improvement in lipid homeostasis, that is lowering of plasma triglycerides and muscle lipid and long-chain acylcarnitine content. CONCLUSION Diminished in vivo muscle oxidative capacity in diabetic rats results from mitochondrial lipid overload and can be alleviated by redirecting the lipids from the muscle into adipose tissue using pioglitazone treatment.
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Affiliation(s)
- B Wessels
- Department of Biomedical Engineering, Biomedical NMR, Eindhoven University of Technology, Eindhoven, the Netherlands
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19
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Sykes AP, O'Connor-Semmes R, Dobbins R, Dorey DJ, Lorimer JD, Walker S, Wilkison WO, Kler L. Randomized trial showing efficacy and safety of twice-daily remogliflozin etabonate for the treatment of type 2 diabetes. Diabetes Obes Metab 2015; 17:94-7. [PMID: 25223369 DOI: 10.1111/dom.12391] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/03/2014] [Revised: 09/04/2014] [Accepted: 09/04/2014] [Indexed: 11/29/2022]
Abstract
We compared the efficacy of twice-daily doses of remogliflozin etabonate (RE) and once-daily pioglitazone with placebo for reduction in glycated haemoglobin (HbA1c) concentration. In this 12-week, double-blind, randomized, active- and placebo-controlled trial, 336 treatment-naïve subjects with type 2 diabetes and an HbA1c of 7.0-9.5% (53-80 mmol/mol) were randomized to RE (50, 100, 250, 500 or 1000 mg twice daily), matching placebo or 30 mg pioglitazone once daily. The primary endpoint was change in HbA1c from baseline. Other endpoints included changes in body weight, lipid levels, safety and tolerability. RE produced a decreasing dose response in HbA1c at week 12 (p < 0.001), with reductions in HbA1c versus placebo ranging from 0.64 to 1.07% (p < 0.001). Statistically significant reductions in body weight for RE compared with placebo were also observed. Twice-daily RE resulted in a dose-ordered improvement in glycaemic control and was generally well tolerated.
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Affiliation(s)
- A P Sykes
- Metabolic Pathways and Cardiovascular, GlaxoSmithKline, Uxbridge, UK
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20
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Suzuki Y, Unno T, Kobayashi M, Nozawa A, Sagesaka Y, Kakuda T. Dose-Dependent Suppression of Tea Catechins with a Galloyl Moiety on Postprandial Hypertriglyceridemia in Rats. Biosci Biotechnol Biochem 2014; 69:1288-91. [PMID: 16041132 DOI: 10.1271/bbb.69.1288] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
Tea has long been believed to be a healthy beverage, and its beneficial effects are almost all attributed to catechins. The effect of catechins on postprandial hypertriglyceridemia in rats was investigated in this study. A lipid emulsion administered orally to rats with (-)-epigallocatechin gallate at a dose of 100 mg/kg resulted in the increase in plasma triacylglycerol being significantly inhibited after 1 and 2 h compared to the case without (-)-epigallocatechin gallate. The effect of (-)-epigallocatechin was weaker than that of (-)-epigallocatechin gallate. A tea extract (THEA-FLAN 90S), mainly composed of catechins with a galloyl moiety, dose-dependently suppressed postprandial triacylglycerol after the administration of a lipid emulsion at doses of 50-200 mg/kg. The administration of the tea extract alone at a dose of 200 mg/kg had no effect on the plasma triacylglycerol level. These results strongly suggest that catechins with a galloyl moiety would be promising agents for suppressing dietary fat absorption through the small intestine.
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Affiliation(s)
- Yuko Suzuki
- Central Research Institute, ITO EN, LTD., Shizuoka 421-0516, Japan.
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21
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Lisak M, Demarin V, Trkanjec Z, Basić-Kes V. Hypertriglyceridemia as a possible independent risk factor for stroke. Acta Clin Croat 2013; 52:458-463. [PMID: 24696996] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023] Open
Abstract
There are no reliable data on the relationship between ischemic stroke and elevated triglyceride levels. Results of previous studies have shown that elevated total cholesterol, high low-density lipoprotein cholesterol (LDL-C) and low high-density lipoprotein cholesterol (HDL-C) are modifiable risk factors for ischemic stroke. Recent evidence suggests that hypertriglyceridemia correlates with an increased risk of cardiovascular disease, particularly if the levels of HDL cholesterol are low and the levels of LDL cholesterol are high. The role of hypertriglyceridemia as an independent risk factor for stroke remains questionable, although correlation between elevated triglycerides and recurrent ischemic stroke has been established. Hypertriglyceridemia is an essential feature of metabolic syndrome, the most important risk factor for atherosclerosis and prothrombotic state, and both correlate with the increased risk of stroke. Lowering triglyceride levels might have a positive effect in stroke risk reduction. Efficacy of gemfibrozil was demonstrated in secondary stroke prevention in patients with coronary heart disease and elevated triglyceride levels. Fibrate derivatives might be utilized in primary stroke prevention, but their efficacy has not yet been established. There is substantial evidence to conclude that hypertriglyceridemia might be an independent risk factor for stroke, but additional studies are mandatory to confirm this presumption.
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22
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Nobili V, Alisi A, Della Corte C, Risé P, Galli C, Agostoni C, Bedogni G. Docosahexaenoic acid for the treatment of fatty liver: randomised controlled trial in children. Nutr Metab Cardiovasc Dis 2013; 23:1066-1070. [PMID: 23220074 DOI: 10.1016/j.numecd.2012.10.010] [Citation(s) in RCA: 89] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2012] [Revised: 10/25/2012] [Accepted: 10/30/2012] [Indexed: 02/08/2023]
Abstract
BACKGROUND AND AIM Non-alcoholic fatty liver disease (NAFLD) is the most common liver disease in children. We tested whether dietary supplementation with docosahexaenoic acid (DHA) can decrease liver fat content in children with NAFLD. METHODS AND RESULTS We performed a randomized controlled trial of DHA supplementation (250 mg/day and 500 mg/day) vs. placebo in 60 children with NAFLD (20 children per group). The main outcome was the change in liver fat as detected by ultrasonography after 6, 12, 18 and 24 months of treatment. Secondary outcomes were changes in triglycerides, alanine transaminase (ALT), body mass index (BMI) and homeostasis model assessment of insulin resistance (HOMA). The odds of more severe versus less severe liver steatosis decreased to the same degree at 6 months in children treated with DHA 250 mg/day and DHA 500 mg/day vs. placebo and persisted virtually unmodified for 24 months (OR ≤ 0.02, p ≤ 0.05 for all time points). Triglycerides were lower in the DHA groups than in the placebo group at any time point and ALT was lower in these groups from month 12 onwards. HOMA was lower in the DHA 250 mg group vs. placebo at months 6 and 12. CONCLUSION DHA supplementation improves liver steatosis in children with NAFLD. Doses of 250 mg/day and 500 mg/day of DHA appear to be equally effective in reducing liver fat content.
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Affiliation(s)
- V Nobili
- Liver Research Unit, Bambino Gesù Children's Hospital and Research Institute, Roma, Italy.
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23
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Horne BD, Muhlestein JB, Lappé DL, May HT, Carlquist JF, Galenko O, Brunisholz KD, Anderson JL. Randomized cross-over trial of short-term water-only fasting: metabolic and cardiovascular consequences. Nutr Metab Cardiovasc Dis 2013; 23:1050-1057. [PMID: 23220077 DOI: 10.1016/j.numecd.2012.09.007] [Citation(s) in RCA: 54] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2012] [Revised: 09/27/2012] [Accepted: 09/30/2012] [Indexed: 11/16/2022]
Abstract
BACKGROUND AND AIMS Routine, periodic fasting is associated with a lower prevalence of coronary artery disease (CAD). Animal studies show that fasting may increase longevity and alter biological parameters related to longevity. We evaluated whether fasting initiates acute changes in biomarker expression in humans that may impact short- and long-term health. METHODS AND RESULTS Apparently-healthy volunteers (N = 30) without a recent history of fasting were enrolled in a randomized cross-over trial. A one-day water-only fast was the intervention and changes in biomarkers were the study endpoints. Bonferroni correction required p ≤ 0.00167 for significance (p < 0.05 was a trend that was only suggestively significant). The one-day fasting intervention acutely increased human growth hormone (p = 1.1 × 10⁻⁴), hemoglobin (p = 4.8 × 10⁻⁷), red blood cell count (p = 2.5 × 10⁻⁶), hematocrit (p = 3.0 × 10⁻⁶), total cholesterol (p = 5.8 × 10⁻⁵), and high-density lipoprotein cholesterol (p = 0.0015), and decreased triglycerides (p = 1.3 × 10⁻⁴), bicarbonate (p = 3.9 × 10⁻⁴), and weight (p = 1.0 × 10⁻⁷), compared to a day of usual eating. For those randomized to fast the first day (n = 16), most factors including human growth hormone and cholesterol returned to baseline after the full 48 h, with the exception of weight (p = 2.5 × 10⁻⁴) and (suggestively significant) triglycerides (p = 0.028). CONCLUSION Fasting induced acute changes in biomarkers of metabolic, cardiovascular, and general health. The long-term consequences of these short-term changes are unknown but repeated episodes of periodic short-term fasting should be evaluated as a preventive treatment with the potential to reduce metabolic disease risk. Clinical trial registration (ClinicalTrials.gov): NCT01059760 (Expression of Longevity Genes in Response to Extended Fasting [The Fasting and Expression of Longevity Genes during Food abstinence {FEELGOOD} Trial]).
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Affiliation(s)
- B D Horne
- Intermountain Heart Institute, Intermountain Medical Center, Salt Lake City, UT, USA; Genetic Epidemiology Division, Department of Medicine, University of Utah, Salt Lake City, UT, USA.
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24
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Abstract
Here, we introduce four topics in lipoprotein glomerulopathy (LPG). To date, approximately 150 cases of LPG have been reported worldwide. Recently two groups studied hot spots of APOE-Sendai and APOE-Kyoto, the representative variants of LPG, in narrow areas of Japan and China, respectively. They suggest that both variants have descended through a founder effect. APOE-Sendai and APOE-Kyoto cause different transformations of apolipoproteins aggregating lipoproteins and resulting in lipoprotein thrombi within the glomerulus. Moreover, the macrophage impairment in LPG may provide another mechanism for lipoprotein thrombi in which massive lipoproteins accumulate in the glomerulus without foam cells. On the other hand, the administration of fibrate with the intensive control of triglyceride and apolipoprotein E particularly from the early phase will ameliorate LPG and prevent renal dysfunction.
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Affiliation(s)
- Takao Saito
- General Medical Research Center, Faculty of Medicine, Fukuoka University, 7-45-1 Nanakuma, Jonan-ku, Fukuoka, 814-0180, Japan,
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25
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Miyata Y, Tamaru S, Tanaka T, Tamaya K, Matsui T, Nagata Y, Tanaka K. Theflavins and theasinensin A derived from fermented tea have antihyperglycemic and hypotriacylglycerolemic effects in KK-A(y) mice and Sprague-Dawley rats. J Agric Food Chem 2013; 61:9366-72. [PMID: 24011231 DOI: 10.1021/jf400123y] [Citation(s) in RCA: 26] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/09/2023]
Abstract
Although tea polyphenols are reported to improve serum glucose and lipid levels by inhibiting amylase activity and reducing lipid absorption, in vivo data are lacking. We evaluated in vivo the antihyperglycemic and hypotriacylglycerolemic effects of theaflavins (TFs) and theasinensin A (TSA) refined from fermented tea to purities of 12 and 59%, respectively. Feeding male KK-A(y) mice diets with 0.1% TFs or TSA for 6 weeks reduced serum glucose levels by >30% compared to a control diet. Rats fed diets containing 0.2% TFs or TSA for 4 weeks had higher fecal fat excretion and 33% lower hepatic triacylglycerol; hepatic fatty acid synthase activity was not affected. Oral administration of TFs or TSA reduced the increase in serum triacylglycerol after an oral bolus of a fat emulsion. These results indicate TFs and TSA induce antihyperglycemic responses in diabetic mice and are hypotriacylglycerolemic in rats by suppressing intestinal fat absorption.
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Affiliation(s)
- Yuji Miyata
- Department of Nutrition, University of Nagasaki , 1-1-1 Manabino, Nagayo-cho, Nishisonogi-gun, Nagasaki 851-2195, Japan
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26
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Jääskeläinen A, Schwab U, Kolehmainen M, Pirkola J, Järvelin MR, Laitinen J. Associations of meal frequency and breakfast with obesity and metabolic syndrome traits in adolescents of Northern Finland Birth Cohort 1986. Nutr Metab Cardiovasc Dis 2013; 23:1002-1009. [PMID: 22901841 DOI: 10.1016/j.numecd.2012.07.006] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2012] [Revised: 07/19/2012] [Accepted: 07/20/2012] [Indexed: 02/06/2023]
Abstract
BACKGROUND AND AIMS Breakfast consumption and meal frequencies have been linked to the risk of obesity in youth but their associations with metabolic syndrome (MetS) in young populations are yet to be studied. We examined associations of three meal patterns on weekdays--five meals including breakfast, ≤four meals including breakfast and ≤four meals without breakfast--with overweight/obesity and MetS components in Finnish adolescents. METHODS AND RESULTS A population-based sample of 16-year-old boys and girls (n = 6247) from the Northern Finland Birth Cohort 1986 was used. Adolescents were clinically examined and dietary data were collected using self-administered questionnaires. Overweight/obesity and MetS features were defined according to the International Obesity Task Force cut-offs and the International Diabetes Federation MetS paediatric criteria and their associations with meal patterns assessed using logistic regression, adjusted separately for early life factors (birth size, maternal health) and later childhood factors (health behaviours, weight status, parental education). After adjustment for early life factors, the adolescents who ate five meals/day were at lower risk for overweight/obesity (OR [95% CI] for boys: 0.47 [0.34, 0.65]; girls: 0.57 [0.41, 0.79]), abdominal obesity (OR [95% CI] for boys: 0.32 [0.22, 0.48]; girls: 0.54 [0.39, 0.75]) and hypertriglyceridaemia (boys only). Adjusting for later childhood factors, the five-meal-a-day pattern was associated with decreased odds of overweight/obesity (OR [95% CI] for boys: 0.41 [0.29, 0.58]; girls: 0.63 [0.45, 0.89]) and abdominal obesity in boys (OR 0.32, 95% CI 0.16, 0.63). CONCLUSION Among 16-year-olds, the five-meal-a-day pattern was robustly associated with reduced risks of overweight/obesity in both genders and abdominal obesity in boys.
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Affiliation(s)
- A Jääskeläinen
- Department of Clinical Nutrition, Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio Campus, P.O. Box 1627, FI-70211 Kuopio, Finland.
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27
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Saito T. [Features of hypertriglyceridemia in chronic kidney disease(CKD)]. Nihon Rinsho 2013; 71:1618-1622. [PMID: 24205724] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
In advanced chronic kidney disease(CKD), chylomicrons(CM) and very low density lipoprotein(VLDL) are accumulated by the inactivity of lipoprotein lipase(LPL). CM remnants are incompletely absorbed into liver and the conversion of intermediate lipoprotein (IDL) to cholesterol-rich low density lipoprotein(LDL) is impaired by the lack of hepatic triglyceride lipase(HTGL). As a result, the increase of triglyceride-rich lipoproteins, i.e., CM, CM remnants, VLDL and IDL, shows hypertriglyceridemia. The ratio of triglyceride to cholesterol is also increased in both LDL and HDL. Excess triglyceride-rich lipoproteins are oxidized by oxidative stress in CKD and involved in cardio-vascular diseases. Accordingly, the prevention of hypertriglyceridemia is one of the most important steps for the treatment of CKD.
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Affiliation(s)
- Takao Saito
- General Medical Research Center, Fukuoka University School of Medicine
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28
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Rajendran R, Abu E, Fadl A, Byrne CD. Late effects of childhood cancer treatment: severe hypertriglyceridaemia, central obesity, non alcoholic fatty liver disease and diabetes as complications of childhood total body irradiation. Diabet Med 2013; 30:e239-42. [PMID: 23692373 DOI: 10.1111/dme.12234] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/16/2013] [Accepted: 05/15/2013] [Indexed: 12/12/2022]
Abstract
BACKGROUND Childhood cancer survivors may develop a number of endocrine complications linked to organ failure, such as hypogonadism, diabetes and growth hormone deficiency. However, increasing evidence now suggests that total body irradiation treatment, specifically, is linked with future risk of insulin resistance, hepatic steatosis and dyslipidaemia, possibly because total body irradiation affects adipocyte differentiation and impairs subcutaneous adipose tissue depot expansion during times of positive energy balance. CASE REPORT We describe a 20-year-old woman who developed pancreatitis with severe hypertriglyceridaemia (serum triglycerides > 300 mmol/l) that required plasmapheresis. She had received total body irradiation prior to her bone marrow transplant at age 6 years for relapsed acute lymphoblastic leukaemia. She developed ovarian failure at age 12 years. At age 15 years she was noted to have hyperglycaemia, increased blood pressure, hepatic steatosis and mild hypertriglyceridaemia. She presented with severe hypertriglyceridaemia and eruptive xanthoma, and developed pancreatitis 12 h after admission. She was treated with plasmapheresis and intravenous insulin and made an excellent recovery. We implicate and discuss total body irradiation as the major contributing factor to her severe hypertriglyceridaemia, compounded by worsening glycaemic control, oestrogen deficiency and a changing adult lifestyle. CONCLUSION Children who have received total body irradiation are at risk of diabetes and an exaggerated form of the metabolic syndrome with hypertriglyceridaemia, which can be life-threatening. We suggest that survivors of total body irradiation treatment require careful lifelong monitoring of their metabolic status.
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Affiliation(s)
- R Rajendran
- Department of Diabetes and Endocrinology, Southampton General Hospital, University Hospitals of Southampton NHS Foundation Trust, Southampton, UK.
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29
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van Poppel MNM, Oostdam N, Eekhoff MEW, Wouters MGAJ, van Mechelen W, Catalano PM. Longitudinal relationship of physical activity with insulin sensitivity in overweight and obese pregnant women. J Clin Endocrinol Metab 2013; 98:2929-35. [PMID: 23837192 DOI: 10.1210/jc.2013-1570] [Citation(s) in RCA: 31] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/13/2023]
Abstract
BACKGROUND Physical activity (PA) initiated in the second half of pregnancy does not affect (or modify) insulin sensitivity in normal weight women. However, this might be different in obese women with lower insulin sensitivity. OBJECTIVE To test the hypothesis that in overweight and obese women at risk for gestational diabetes, PA is related to improved maternal glucose and insulin metabolism in pregnancy. METHODS A longitudinal study, with measurements at 15, 24, and 32 weeks of gestation, was conducted. Time spent in moderate-to-vigorous PA (MVPA) was measured objectively. In regression models, the relationship between time spent in MVPA at week 15 and changes in MVPA from 15 weeks to 24 or 32 weeks with fasting glucose, glycosylated hemoglobin, fasting insulin, insulin sensitivity, and insulin response at week 24 or 32 was assessed. RESULTS In a group of 24 women, MVPA in early pregnancy was significantly associated with a reduced first- and second-phase insulin response at week 32. Women with larger decreases in MVPA throughout pregnancy had significantly higher fasting insulin levels, worse insulin sensitivity, increased first- and second-phase insulin response, and higher triglyceride levels in late pregnancy compared to women with smaller decreases in MVPA. Time spent in MVPA was not related to glucose or glycosylated hemoglobin levels. CONCLUSIONS In our group of overweight and obese pregnant women, MVPA was associated with improved insulin sensitivity, insulin response, and decreased triglycerides at 32 weeks of pregnancy. This supports efforts for counseling obese women at risk for gestational diabetes in pregnancy to maintain their MVPA levels.
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Affiliation(s)
- Mireille N M van Poppel
- Department of Public and Occupational Health, EMGO Institute for Health and Care Research, VU University Medical Centre, Amsterdam 1081 BT, The Netherlands.
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30
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Egli L, Lecoultre V, Theytaz F, Campos V, Hodson L, Schneiter P, Mittendorfer B, Patterson BW, Fielding BA, Gerber PA, Giusti V, Berneis K, Tappy L. Exercise prevents fructose-induced hypertriglyceridemia in healthy young subjects. Diabetes 2013; 62:2259-65. [PMID: 23674606 PMCID: PMC3712038 DOI: 10.2337/db12-1651] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 01/18/2023]
Abstract
Excess fructose intake causes hypertriglyceridemia and hepatic insulin resistance in sedentary humans. Since exercise improves insulin sensitivity in insulin-resistant patients, we hypothesized that it would also prevent fructose-induced hypertriglyceridemia. This study was therefore designed to evaluate the effects of exercise on circulating lipids in healthy subjects fed a weight-maintenance, high-fructose diet. Eight healthy males were studied on three occasions after 4 days of 1) a diet low in fructose and no exercise (C), 2) a diet with 30% fructose and no exercise (HFr), or 3) a diet with 30% fructose and moderate aerobic exercise (HFrEx). On all three occasions, a 9-h oral [(13)C]-labeled fructose loading test was performed on the fifth day to measure [(13)C]palmitate in triglyceride-rich lipoprotein (TRL)-triglycerides (TG). Compared with C, HFr significantly increased fasting glucose, total TG, TRL-TG concentrations, and apolipoprotein (apo)B48 concentrations as well as postfructose glucose, total TG, TRL-TG, and [(13)C]palmitate in TRL-TG. HFrEx completely normalized fasting and postfructose TG, TRL-TG, and [(13)C]palmitate concentration in TRL-TG and apoB48 concentrations. In addition, it increased lipid oxidation and plasma nonesterified fatty acid concentrations compared with HFr. These data indicate that exercise prevents the dyslipidemia induced by high fructose intake independently of energy balance.
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Affiliation(s)
- Léonie Egli
- Department of Physiology, University of Lausanne, Lausanne, Switzerland
| | - Virgile Lecoultre
- Department of Physiology, University of Lausanne, Lausanne, Switzerland
| | - Fanny Theytaz
- Department of Physiology, University of Lausanne, Lausanne, Switzerland
| | - Vanessa Campos
- Department of Physiology, University of Lausanne, Lausanne, Switzerland
| | - Leanne Hodson
- Oxford Centre for Diabetes, Endocrinology and Metabolism, University of Oxford, Oxford, U.K
| | | | - Bettina Mittendorfer
- Center for Human Nutrition, Washington University School of Medicine, St. Louis, Missouri
| | - Bruce W. Patterson
- Center for Human Nutrition, Washington University School of Medicine, St. Louis, Missouri
| | - Barbara A. Fielding
- Oxford Centre for Diabetes, Endocrinology and Metabolism, University of Oxford, Oxford, U.K
- Department of Nutrition and Metabolism, University of Surrey, Guildford, U.K
| | - Philipp A. Gerber
- Division of Endocrinology, Diabetes, and Clinical Nutrition, University Hospital Zurich, Zurich, Switzerland
| | - Vittorio Giusti
- Service of Endocrinology, Diabetes and Metabolism, Lausanne University Hospital, Lausanne, Switzerland
| | - Kaspar Berneis
- Division of Endocrinology, Diabetes, and Clinical Nutrition, University Hospital Zurich, Zurich, Switzerland
| | - Luc Tappy
- Department of Physiology, University of Lausanne, Lausanne, Switzerland
- Service of Endocrinology, Diabetes and Metabolism, Lausanne University Hospital, Lausanne, Switzerland
- Corresponding author: Luc Tappy,
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Tamaru S, Ohmachi K, Miyata Y, Tanaka T, Kubayasi T, Nagata Y, Tanaka K. Hypotriglyceridemic potential of fermented mixed tea made with third-crop green tea leaves and camellia (Camellia japonica) leaves in Sprague-Dawley rats. J Agric Food Chem 2013; 61:5817-5823. [PMID: 23705670 DOI: 10.1021/jf400938h] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/02/2023]
Abstract
Fermented mixed tea made with third-crop green tea leaves and camellia leaves by a tea-rolling process has been developed. The objective of this study was to investigate hypotriglyceridemic potential of the mixed tea in rats. The mixed tea contained theasinensins and theaflavins. Rats fed the mixed tea extract at the level of 1% exerted significantly lower body weight and adipose tissue weight compared to animals fed third-crop green tea or camellia tea extract alone for 4 weeks. Serum and hepatic triglyceride was significantly and dose-dependently decreased by the mixed tea. This decrease was associated with lowered lipogenic enzyme activities in the liver. Furthermore, an oral administration of 4 or 8% of the mixed tea extract followed by fat emulsion suppressed the increment of serum triglyceride level. These results suggest that the mixed tea has hypotriglyceridemic action, partially via delaying triglyceride absorption in the small intestine and repressing hepatic lipogenic enzymes.
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Affiliation(s)
- Shizuka Tamaru
- Department of Nutrition, University of Nagasaki , 1-1-1 Manabino, Nagayo-cho, Nishisonogi-gun, Nagasaki 851-2195, Japan
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Olmedilla-Alonso B, Pedrosa MM, Cuadrado C, Brito M, Asensio-S-Manzanera C, Asensio-Vegas C. Composition of two Spanish common dry beans (Phaseolus vulgaris), 'Almonga' and 'Curruquilla', and their postprandial effect in type 2 diabetics. J Sci Food Agric 2013; 93:1076-1082. [PMID: 22936114 DOI: 10.1002/jsfa.5852] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/09/2012] [Revised: 07/04/2012] [Accepted: 07/13/2012] [Indexed: 06/01/2023]
Abstract
BACKGROUND Legume consumption has been associated with a lower risk of developing type 2 diabetes. However, the type of legume is a modifier of its effect. Two Spanish dry bean varieties-white ('Almonga') and cream ('Curruquilla')-were analyzed and used in a postprandial study in type 2 diabetics to assess glucose, insulin and triacylglycerol in blood. RESULTS 'Curruquilla' variety had higher total galactoside (stachyose, mainly), trypsin inhibitors and lectin content than 'Almonga'. The canning liquid was discarded prior to the analysis and the bean consumption by the subjects. The canning process reduced the total α-galactoside content (>50%), practically eliminated trypsin inhibitors, and no lectin content was found. After bean consumption, maximum glucose was obtained at 60 min and was three times lower than that in bread. After bean intake, maximum insulin was produced 60 min with 'Almonga' and occurred later (90 min) with 'Curruquilla' and bread. After 'Almonga' intake, the area under the curve response of triglycerides was 14% lower compared to bread (P = 0.013). CONCLUSIONS 'Almonga' and 'Curruquilla' are similar in the content of the nutritional but not in that of the antinutritional components. Both beans showed similar effects on blood glucose and insulin in type 2 diabetics and marked differences compared to those of bread in terms of magnitude and time course, but only 'Almonga' rendered a significant reduction in the triglyceridemic response.
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Affiliation(s)
- Begoña Olmedilla-Alonso
- Departamento Metabolismo y Nutrición, Instituto de Ciencia y Tecnología de Alimentos y Nutrición (ICTAN)-CSIC, 28040 Madrid, Spain.
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Abstract
Hypertriglyceridemia (HTG) is commonly encountered in lipid and cardiology clinics. Severe HTG warrants treatment because of the associated increased risk of acute pancreatitis. However, the need to treat, and the correct treatment approach for patients with mild to moderate HTG are issues for ongoing evaluation. In the past, it was felt that triglyceride does not directly contribute to development of atherosclerotic plaques. However, this view is evolving, especially for triglyceride-related fractions and variables measured in the non-fasting state. Our understanding of the etiology, genetics and classification of HTG states is also evolving. Previously, HTG was considered to be a dominant disorder associated with variation within a single gene. The old nomenclature includes the term "familial" in the names of several hyperlipoproteinemia (HLP) phenotypes that included HTG as part of their profile, including combined hyperlipidemia (HLP type 2B), dysbetalipoproteinemia (HLP type 3), simple HTG (HLP type 4) and mixed hyperlipidemia (HLP type 5). This old thinking has given way to the idea that genetic susceptibility to HTG results from cumulative effects of multiple genetic variants acting in concert. HTG most is often a "polygenic" or "multigenic" trait. However, a few rare autosomal recessive forms of severe HTG have been defined. Treatment depends on the overall clinical context, including severity of HTG, concomitant presence of other lipid disturbances, and the patient's global risk of cardiovascular disease. Therapeutic strategies include dietary counselling, lifestyle management, control of secondary factors, use of omega-3 preparations and selective use of pharmaceutical agents.
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Affiliation(s)
- Amanda Brahm
- Department of Medicine, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada.
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Ruiz-Tovar J, Oller I, Tomas A, Llavero C, Arroyo A, Calero A, Martinez-Blasco A, Calpena R. Midterm impact of sleeve gastrectomy, calibrated with a 50-Fr bougie, on weight loss, glucose homeostasis, lipid profiles, and comorbidities in morbidly obese patients. Am Surg 2012; 78:969-974. [PMID: 22964206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
Abstract
Bariatric surgery has been shown to be effective in achieving and maintaining weight change and reducing obesity-related comorbidities. Recent reports have shown that sleeve gastrectomy could have similar resolution rates of the metabolic syndrome than Roux-Y bypass after a short-term follow-up of 1 year. Most surgeons calibrate the sleeve with 32-Fr to 40-Fr bougies. There is little mid- and long-term information available about the evolution of these comorbidities with this procedure and with calibration of the sleeve with a 50-Fr bougie. A retrospective study of all the morbidly obese patients undergoing laparoscopic sleeve gastrectomy, calibrated with a 50-Fr bougie, as bariatric procedure between October 2007 and September 2009 was performed. Mean excessive body mass index loss was 76.9 per cent after 1 year and 79.9 per cent after 2 years. After surgery, 83.3 per cent of patients with Type 2 diabetes mellitus discontinued their hypoglycemic medication at 1 month. All the patients with hypertension discontinued antihypertensive drugs at 6 months. One hundred per cent of patients with hypertriglyceridemia discontinued their hypolipidemic drugs at 3 months. Glucose levels decreased significantly 3 months after surgery (mean reduction of 24.7 mg/dL; 95% confidence interval [CI], 8.8 to 40.7; P = 0.003). Triglyceride levels decreased 3 months after surgery (mean reduction of 54.4 mg/dL; 95% CI, 22.8 to 86.1; P = 0.004). High-density lipoprotein (HDL) cholesterol increased significantly after 12 months (increase of 16.7 mg/dL; 95% CI, 11.7 to 21.7; P < 0.001). The changes observed were maintained 24 months after surgery. Sleeve gastrectomy, calibrated with a 50-Fr bougie, significantly reduced glucose and triglyceride levels and the cardiovascular risk predictor triglyceride/HDL ratio and increased HDL levels after surgery and maintained them under normal ranges for at least 2 years.
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Affiliation(s)
- Jaime Ruiz-Tovar
- Department of Surgery, General University Hospital Elche, Alicante, Spain.
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35
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Barrios-Ramos JP, Garduño-Siciliano L, Loredo M, Chamorro-Cevallos G, Jaramillo-Flores ME. The effect of cocoa, soy, oats and fish oil on metabolic syndrome in rats. J Sci Food Agric 2012; 92:2349-2357. [PMID: 22430394 DOI: 10.1002/jsfa.5637] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/10/2011] [Revised: 10/09/2011] [Accepted: 01/27/2012] [Indexed: 05/31/2023]
Abstract
BACKGROUND The effect of functional foods alone or in combination (cocoa + soy + oats + fish oil) on hepatic damage in rats affected with metabolic syndrome was investigated. RESULTS Rats that were given cocoa showed a decrease in the levels of triglycerides (TGs) and glucose (63 and 32% respectively) as well as a decrease in blood pressure (15%). Animals fed with soy showed a reduction of 21% in total cholesterol, 15% in blood pressure and 44% in TGs, while feeding oats reduced the concentration of TGs by 53% (P < 0.5). Fish oil caused a reduction in TGs (56%) and glucose (26%). The effect on blood pressure was statistically significant for the groups supplemented with cocoa, soy, cocoa + oats and the total mix. The main finding was a reduction in liver steatosis in animals supplemented with cocoa + oats (from 30 to 4.7% steatosis). Cocoa or fish oil alone did not protect the liver from damage, while cocoa + fish oil did. CONCLUSION The most relevant effects were that the cocoa + oats mix decreased steatosis by a very large percentage, as did the cocoa + fish oil mix and the mix of all four functional foods.
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Affiliation(s)
- Juan P Barrios-Ramos
- Graduados e Investigación en Alimentos, Escuela Nacional de Ciencias Biológicas, Instituto Politécnico Nacional, Carpio y Plan de Ayala s/n Col. Casco de Santo Tomás, México, DF, Mexico
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36
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Parillo M, Licenziati MR, Vacca M, De Marco D, Iannuzzi A. Metabolic changes after a hypocaloric, low-glycemic-index diet in obese children. J Endocrinol Invest 2012; 35:629-33. [PMID: 21897113 DOI: 10.3275/7909] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
BACKGROUND A low glycemic index (LGI) diet has been proposed as a treatment for obesity in adults; few studies have evaluated LGI diets in obese children. AIM The purpose of the study was to compare the effects of two diets, with similar energy intakes, but different glycemic indexes in a pediatric outpatient setting. SUBJECTS AND METHODS A parallel- group, randomized controlled trial was conducted, and 22 obese outpatient children with a body mass index (BMI) Z-score >2 (11 females and 11 males, BMI 28.9±2.9 kg/m²) were included in the study. Patients were randomly allocated to a hypocaloric LGI (GI:60), or to a hypocaloric high glycemic index (HGI) diet (GI:90). The LGI and HGI diets were almost equivalent for macronutrient composition. Anthropometric and biochemical parameters were measured at baseline and after 6 months. RESULTS In both groups there were significant decreases in BMI, BMI Z-score, blood pressure, and high-sensitivity C-reactive protein. Only LGI diets produced a significant decrease in waist circumference and homeostasis model assessment. Analysis of variance demonstrated that the BMI Z-score decrease from baseline values was significantly greater after the LGI diet than after the HGI diet [-0.20 (95% confidence interval (CI) -0.29 to -0.10) vs -0.34 (95%CI -0.43 to -0.24)], mean difference between groups -0.14 (95%CI -0.27 to -0.01), p<0.05). Changes in triglyceride concentrations were significantly lower in LGI as compared to HGI diet (p<0.05). CONCLUSIONS This study demonstrates that a hypocaloric LGI diet has beneficial metabolic effects in comparison to a hypocaloric HGI diet in obese children.
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Affiliation(s)
- M Parillo
- Department of Internal Medicine, St. Anna and St. Sebastian Hospital, Caserta, Italy
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37
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Fomenko SE, Kushnerova NF, Lesnikova LN, Kushnerova TV, Merzliakov VI, Agapov IV. [Influence of hyperbaric stress on metabolic reactions of the organism of divers, prevention]. Fiziol Cheloveka 2012; 38:99-104. [PMID: 22567843] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
Abstract
Research of metabolic rates is conducted in a blood of the subjects whose professional work is connected with the systematic implementation of diving on the large and medium depths. For restoration of working capacity and preservation of health of divers was carried pharmacological prophylaxis with supplementation "Kalifen", which is the total polyphenol complex isolated from viburnum (Viburnum sargentii Koehne). The blood plasma of divers, investigated after a dive, there was hypertriglyceridemia and hypercholesterolemia, the suppression of esterified liver function, an imbalance of fractional content of phospholipids, the strain of antioxidant defense of an organism and increased lipid peroxidation. Preventive administration supplementation "Kalifen" for 2 months before the dive will help remove metabolic disorders caused by hyperbaric factors, and also to store up of anabolic reserves and increase body resistance level in extreme conditions.
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van Diepen JA, Vroegrijk IOCM, Berbée JFP, Shoelson SE, Romijn JA, Havekes LM, Rensen PCN, Voshol PJ. Aspirin reduces hypertriglyceridemia by lowering VLDL-triglyceride production in mice fed a high-fat diet. Am J Physiol Endocrinol Metab 2011; 301:E1099-107. [PMID: 21862721 PMCID: PMC4116353 DOI: 10.1152/ajpendo.00185.2011] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Systemic inflammation is strongly involved in the pathophysiology of the metabolic syndrome, a cluster of metabolic risk factors that includes hypertriglyceridemia. Aspirin treatment lowers inflammation via inhibition of NF-κB activity but also reduces hypertriglyceridemia in humans. The aim of this study was to investigate the mechanism by which aspirin improves hypertriglyceridemia. Human apolipoprotein CI (apoCI)-expressing mice (APOC1 mice), an animal model with elevated plasma triglyceride (TG) levels, as well as normolipidemic wild-type (WT) mice were fed a high-fat diet (HFD) and treated with aspirin. Aspirin treatment reduced hepatic NF-κB activity in HFD-fed APOC1 and WT mice, and in addition, aspirin decreased plasma TG levels (-32%, P < 0.05) in hypertriglyceridemic APOC1 mice. This TG-lowering effect could not be explained by enhanced VLDL-TG clearance, but aspirin selectively reduced hepatic production of VLDL-TG in both APOC1 (-28%, P < 0.05) and WT mice (-33%, P < 0.05) without affecting VLDL-apoB production. Aspirin did not alter hepatic expression of genes involved in FA oxidation, lipogenesis, and VLDL production but decreased the incorporation of plasma-derived FA by the liver into VLDL-TG (-24%, P < 0.05), which was independent of hepatic expression of genes involved in FA uptake and transport. We conclude that aspirin improves hypertriglyceridemia by decreasing VLDL-TG production without affecting VLDL particle production. Therefore, the inhibition of inflammatory pathways by aspirin could be an interesting target for the treatment of hypertriglyceridemia.
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Affiliation(s)
- Janna A van Diepen
- Department of General Internal Medicine, Endocrinology, and Metabolic Diseases, Leiden University Medical Center, Leiden, The Netherlands.
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Martin MJ. Comment on: Postprandial hypertriglyceridemia predicts improvement in insulin resistance in obese patients after bariatric surgery. Surg Obes Relat Dis 2011; 9:219-20. [PMID: 22055388 DOI: 10.1016/j.soard.2011.09.017] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2011] [Accepted: 09/27/2011] [Indexed: 11/15/2022]
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40
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Evidence Based Medicine Task-Force of Chinese Society of Cardiology of Chinese Medical Association, Committee of Cardio-Cerebral-Vascular Diseases of Gerontological Society of China. [Expert consensus on management of hypertriglyceridemia]. Zhonghua Xin Xue Guan Bing Za Zhi 2011; 39:793-6. [PMID: 22321224] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/31/2023]
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Zhao J, Zhang W, Zhu X, Zhao D, Wang K, Wang R, Qu W. The aqueous extract of Asparagus officinalis L. by-product exerts hypoglycaemic activity in streptozotocin-induced diabetic rats. J Sci Food Agric 2011; 91:2095-2099. [PMID: 21567411 DOI: 10.1002/jsfa.4429] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/27/2010] [Revised: 01/08/2011] [Accepted: 03/18/2011] [Indexed: 05/30/2023]
Abstract
BACKGROUND The inedible bottom part of asparagus (Asparagus officinalis L.) spears, around one-third to one-half of the total length, is always discarded as by-product. Since it still contains various bioactive substances, this by-product might have potential usage in food supplements for its therapeutic effects. In this study the hypoglycaemic effect of the aqueous extract of asparagus by-product (AEA) was evaluated in a streptozotocin (STZ)-induced diabetic rat model. RESULTS Continuous administration of AEA for 21 days significantly decreased fasting serum glucose and triglyceride levels but markedly increased body weight and hepatic glycogen level in diabetic rats. In an oral glucose tolerance test, both the blood glucose level measured at 30, 60 and 120 min after glucose loading and the area under the glucose curve showed a significant decrease after AEA treatment. CONCLUSION The results of this study demonstrate that AEA has hypoglycaemic and hypotriglyceridaemic functions, suggesting that it might be useful in preventing diabetic complications associated with hyperglycaemia and hyperlipidaemia.
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Affiliation(s)
- Jingjing Zhao
- School of Life Science, East China Normal University, Shanghai, China
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Lee J, Chung WY. The role played by the peroxisome proliferator-activated receptor-β/δ (PPARβ/δ) activator, GW501516, in control of fatty acid metabolism: a new potential therapeutic target for treating metabolic syndrome. Endocrinology 2011; 152:1742-4. [PMID: 21511987 DOI: 10.1210/en.2011-0211] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Affiliation(s)
- Jandee Lee
- Department of Surgery, Ajou University School of Medicine, Suwon 442-749, Republic of Korea.
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Barroso E, Rodríguez-Calvo R, Serrano-Marco L, Astudillo AM, Balsinde J, Palomer X, Vázquez-Carrera M. The PPARβ/δ activator GW501516 prevents the down-regulation of AMPK caused by a high-fat diet in liver and amplifies the PGC-1α-Lipin 1-PPARα pathway leading to increased fatty acid oxidation. Endocrinology 2011; 152:1848-59. [PMID: 21363937 DOI: 10.1210/en.2010-1468] [Citation(s) in RCA: 121] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Metabolic syndrome-associated dyslipidemia is mainly initiated by hepatic overproduction of the plasma lipoproteins carrying triglycerides. Here we examined the effects of the peroxisome proliferator-activated receptors (PPAR)-β/δ activator GW501516 on high-fat diet (HFD)-induced hypertriglyceridemia and hepatic fatty acid oxidation. Exposure to the HFD caused hypertriglyceridemia that was accompanied by reduced hepatic mRNA levels of PPAR-γ coactivator 1 (PGC-1)-α and lipin 1, and these effects were prevented by GW501516 treatment. GW501516 treatment also increased nuclear lipin 1 protein levels, leading to amplification in the PGC-1α-PPARα signaling system, as demonstrated by the increase in PPARα levels and PPARα-DNA binding activity and the increased expression of PPARα-target genes involved in fatty acid oxidation. These effects of GW501516 were accompanied by an increase in plasma β-hydroxybutyrate levels, demonstrating enhanced hepatic fatty acid oxidation. Moreover, GW501516 increased the levels of the hepatic endogenous ligand for PPARα, 16:0/18:1-phosphatidilcholine and markedly enhanced the expression of the hepatic Vldl receptor. Interestingly, GW501516 prevented the reduction in AMP-activated protein kinase (AMPK) phosphorylation and the increase in phosphorylated levels of ERK1/2 caused by HFD. In addition, our data indicate that the activation of AMPK after GW501516 treatment in mice fed HFD might be the result of an increase in the AMP to ATP ratio in hepatocytes. These findings indicate that the hypotriglyceridemic effect of GW501516 in HFD-fed mice is accompanied by an increase in phospho-AMPK levels and the amplification of the PGC-1α-lipin 1-PPARα pathway.
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Affiliation(s)
- Emma Barroso
- Department of Pharmacology and Therapeutic Chemistry, and Institut de Biomedicina de la University of Barcelona, Barcelona. Spain
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Wei X, Wang D, Yang Y, Xia M, Li D, Li G, Zhu Y, Xiao Y, Ling W. Cyanidin-3-O-β-glucoside improves obesity and triglyceride metabolism in KK-Ay mice by regulating lipoprotein lipase activity. J Sci Food Agric 2011; 91:1006-1013. [PMID: 21360538 DOI: 10.1002/jsfa.4275] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/11/2010] [Revised: 11/25/2010] [Accepted: 11/25/2010] [Indexed: 05/30/2023]
Abstract
BACKGROUND Cyanidin-3-O-β-glucoside (Cy-3-g)-rich foods have been reported to inhibit the onset of obesity, but whether the pure anthocyanin supplementation affects obesity remains uncertain. RESULTS Cy-3-g supplementation significantly reduced obesity, accumulation of fat in visceral adipose and liver tissues, and plasma triglyceride levels. Furthermore, adenosine monophosphate (AMP)-activated protein kinase phosphorylation (pAMPK) in the skeletal muscle and visceral adipose were significantly increased by Cy-3-g consumption. This was followed by the activation of lipoprotein lipase (LPL) in plasma and skeletal muscle but the suppression of this enzyme in visceral adipose. LPL activation in skeletal muscle cells and its suppression in adipocytes by Cy-3-g were blocked by inhibition of pAMPK. CONCLUSION Our present data thus demonstrate that Cy-3-g improves obesity and triglyceride metabolism in KK-Ay mice. The underlying mechanism is found to be partly related to the activation of LPL in plasma and skeletal muscle, and inhibition of LPL in adipose tissue following the activation of pAMPK.
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Affiliation(s)
- Xiaoyi Wei
- Guangdong Provincial Key Laboratory of Food, Nutrition and Health, School of Public Health, Sun Yat-sen University, Guangzhou, Guangdong Province 510080, China
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Abstract
PURPOSE OF REVIEW Lipoprotein apheresis is being performed with increasing frequency, but better data collection and recording of clinical outcomes are needed. Setting up registries would facilitate this process. RECENT FINDINGS This review appraises recent articles that discuss the need for national registries and requirements for setting them up, the efficacy of lipoprotein apheresis in homozygous familial hypercholesterolaemia and patients with coronary disease secondary to raised levels of lipoprotein (a), and its role in the management of acute pancreatitis secondary to severe hypertriglyceridaemia. SUMMARY Lipoprotein apheresis seems to be going through a growth spurt, presumably reflecting better implementation of treatment guidelines or a broadening of indications for its use.
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Maraki M, Magkos F, Christodoulou N, Aggelopoulou N, Skenderi KP, Panagiotakos D, Kavouras SA, Sidossis LS. One day of moderate energy deficit reduces fasting and postprandial triacylglycerolemia in women: the role of calorie restriction and exercise. Clin Nutr 2010; 29:459-63. [PMID: 19926367 DOI: 10.1016/j.clnu.2009.10.007] [Citation(s) in RCA: 30] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2009] [Revised: 09/07/2009] [Accepted: 10/25/2009] [Indexed: 11/20/2022]
Abstract
BACKGROUND & AIMS Fasting and postprandial hypertriacylglycerolemia are important cardiovascular risk factors in women. We sought to examine the effects of acute (1 day), moderate ( approximately 2 MJ) energy deficit induced by calorie restriction, exercise, or combination of both on fasting and postprandial triacylglycerol (TAG) metabolism in women. METHODS Six healthy premenopausal women performed four oral fat tolerance tests in the morning after a day of a) rest (control), b) calorie restriction ( approximately 2 MJ), c) exercise (net deficit of approximately 2 MJ) and d) calorie restriction-plus-exercise (total energy deficit of approximately 2 MJ). RESULTS All energy deficit trials significantly reduced fasting and postprandial total plasma TAG concentrations by 15-23% and 12-23%, respectively, and triacylglycerol-rich lipoprotein TAG concentrations by 37-43% and 25-39%, respectively, compared with the control condition (P<0.05). Postprandial, but not fasting, total TAG concentrations were approximately 12% lower after exercise compared with diet-induced energy deficit (P=0.05). CONCLUSIONS Acute, moderate energy deficit independently of its origin (i.e. diet or exercise or combination of both) reduces fasting and postprandial triacylglycerolemia in women. Exercise elicits a somewhat greater effect than calorie restriction in the postprandial state. The acute effect of diet and exercise should be taken into account when studying the long-term effects of weight loss and exercise training on TAG metabolism.
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Affiliation(s)
- Maria Maraki
- Laboratory of Nutrition & Clinical Dietetics, Department of Nutrition and Dietetics, Harokopio University, Athens, Greece
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Understand how some medications can lower your triglycerides. Heart Advis 2010; 13:7. [PMID: 23091865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 06/01/2023]
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Campbell A. Natural ways to lower your cholesterol. Diabetes Self Manag 2010; 27:40-46. [PMID: 20575327] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/29/2023]
Affiliation(s)
- Amy Campbell
- Joslin Diabetes Center, Boston, Massachusetts, USA
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Behrens G. [HAART influences the lipids]. MMW Fortschr Med 2009; 151:36-38. [PMID: 19769073] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/28/2023]
Affiliation(s)
- Georg Behrens
- Klinik für Immunologie und Rheumatologie, Medizinische Hochschule Hannover.
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Taéron C. [Omega 3 fatty acids]. Rev Infirm 2009:47-49. [PMID: 19405312] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 05/27/2023]
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