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Šošić-Jurjević B, Borković-Mitić S, Pavlović S, Vlahović D, Miler M, Cesar T, Ajdžanović V, Milenkovic D, Stellaard F, Trifunović S, Filipović B, Lütjohann D. Lemon Flavonoid Extract Eriomin Improves Pro/Antioxidant Status and Interferes with Cholesterol Metabolism without Affecting Serum Cholesterol Levels in Aged Rats. Int J Mol Sci 2024; 25:5221. [PMID: 38791260 PMCID: PMC11121178 DOI: 10.3390/ijms25105221] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2024] [Revised: 04/28/2024] [Accepted: 05/08/2024] [Indexed: 05/26/2024] Open
Abstract
This study aimed to assess the antioxidant capacity of lemon flavonoid extract Eriomin® (LE) and its impact on cholesterol metabolism in the context of healthy aging. We orally treated 24-month-old male Wistar rats with an LE (40 mg/kg) suspended in 0.3 mL of sunflower oil. At the same time, control groups received an equal volume of sunflower oil (CON) or remained untreated (ICON) daily for 4 weeks. We examined LE's effects on superoxide dismutase and catalase- and glutathione-related enzyme activities, the concentration of lipid peroxides and protein carbonyls, total oxidant status (TOS) and antioxidant status (TAS), and oxidative stress index (OSI) in the liver, jejunum, and ileum. We also measured total cholesterol, its biosynthetic precursors (lanosterol, lathosterol, desmosterol), its degradation products (bile acid precursors) in the serum, liver, jejunum, and ileum, and serum phytosterols (intestinal absorption markers). LE reduced TOS, TAS, and OSI (p < 0.05) compared with control values, indicating its consistent antioxidant action in all examined organs. LE lowered hepatic desmosterol (p < 0.05) while also reducing 7α- and 24-hydroxycholesterol levels in the liver and ileum (p < 0.01). Serum cholesterol, hepatic gene expression, and the immunostaining intensity of CYP7A1 were unchanged. In conclusion, LE exerted non-enzymatic antioxidant effects and reduced cholesterol degradation, reducing its biosynthesis products, thereby maintaining serum cholesterol levels.
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Affiliation(s)
- Branka Šošić-Jurjević
- Institute for Biological Research “Siniša Stanković”—National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11108 Belgrade, Serbia; (S.B.-M.); (S.P.); (D.V.); (M.M.); (V.A.); (S.T.); (B.F.)
| | - Slavica Borković-Mitić
- Institute for Biological Research “Siniša Stanković”—National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11108 Belgrade, Serbia; (S.B.-M.); (S.P.); (D.V.); (M.M.); (V.A.); (S.T.); (B.F.)
| | - Slađan Pavlović
- Institute for Biological Research “Siniša Stanković”—National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11108 Belgrade, Serbia; (S.B.-M.); (S.P.); (D.V.); (M.M.); (V.A.); (S.T.); (B.F.)
| | - Dragana Vlahović
- Institute for Biological Research “Siniša Stanković”—National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11108 Belgrade, Serbia; (S.B.-M.); (S.P.); (D.V.); (M.M.); (V.A.); (S.T.); (B.F.)
| | - Marko Miler
- Institute for Biological Research “Siniša Stanković”—National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11108 Belgrade, Serbia; (S.B.-M.); (S.P.); (D.V.); (M.M.); (V.A.); (S.T.); (B.F.)
| | - Thais Cesar
- Graduate Program in Food, Nutrition and Food Engineering, Sao Paulo State University (UNESP), Araraquara 14800-060, Brazil;
| | - Vladimir Ajdžanović
- Institute for Biological Research “Siniša Stanković”—National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11108 Belgrade, Serbia; (S.B.-M.); (S.P.); (D.V.); (M.M.); (V.A.); (S.T.); (B.F.)
| | - Dragan Milenkovic
- Department of Nutrition, University of California Davis, Davis, CA 95616, USA;
| | - Frans Stellaard
- Institute of Clinical Chemistry and Clinical Pharmacology, University Hospital Bonn, Venusberg-Campus 1, 53127 Bonn, Germany; (F.S.); (D.L.)
| | - Svetlana Trifunović
- Institute for Biological Research “Siniša Stanković”—National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11108 Belgrade, Serbia; (S.B.-M.); (S.P.); (D.V.); (M.M.); (V.A.); (S.T.); (B.F.)
| | - Branko Filipović
- Institute for Biological Research “Siniša Stanković”—National Institute of Republic of Serbia, University of Belgrade, Bulevar despota Stefana 142, 11108 Belgrade, Serbia; (S.B.-M.); (S.P.); (D.V.); (M.M.); (V.A.); (S.T.); (B.F.)
| | - Dieter Lütjohann
- Institute of Clinical Chemistry and Clinical Pharmacology, University Hospital Bonn, Venusberg-Campus 1, 53127 Bonn, Germany; (F.S.); (D.L.)
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Muralidharan J, Romain C, Bresciani L, Mena P, Angelino D, Del Rio D, Chung LH, Alcaraz PE, Cases J. Nutrikinetics and urinary excretion of phenolic compounds after a 16-week supplementation with a flavanone-rich ingredient. Food Funct 2023; 14:10506-10519. [PMID: 37943075 DOI: 10.1039/d3fo02820h] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2023]
Abstract
Background: Polyphenols are a broad group of compounds with a complex metabolic fate. Flavanones and their metabolites provide cardiovascular protection and assistance in long-term body composition management. Objective: This study evaluates the nutrikinetics and the bioavailability of phenolic compounds after both acute and chronic supplementation with a flavanone-rich product, namely Sinetrol® Xpur, in healthy overweight and obese volunteers. Design: An open-label study including 20 volunteers was conducted for 16 weeks. Participants received Sinetrol® Xpur, either a low dose (900 mg per day) or a high dose (1800 mg per day), in capsules during breakfast and lunch. They were advised to follow an individualized isocaloric diet and avoid a list of polyphenol-rich foods 48 hours before and during the pharmacokinetic measurements. Results: Over 20 phase II and colonic metabolites were measured in the plasma. Two peaks were observed at 1 h and 7h-10 h after the first capsule ingestion. No significant differences in the AUC were observed in circulating metabolites between both doses. In urine excretion, 53 metabolites were monitored, including human phase II and colonic metabolites, at weeks 1 and 16. Cumulative urine excretion was higher after the high dose than after the low dose in both acute and chronic studies. Total urinary metabolites were significantly lower in week 16 compared to week 1. Conclusion: Although the urinary excreted metabolites reduced significantly over 16 weeks, the circulating metabolites did not decrease significantly. This study suggests that chronic intake might not offer the same bioavailability as in the acute study, and this effect does not seem to be dose-dependent. The clinical trial registry number is NCT03823196.
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Affiliation(s)
| | - Cindy Romain
- Fytexia, ZAE via Europa - 3 rue d'Athènes, 34350 Vendres, France.
| | - Letizia Bresciani
- Human Nutrition Unit, Department of Food & Drug, University of Parma, Via Volturno 39, 43125 Parma, Italy
| | - Pedro Mena
- Human Nutrition Unit, Department of Food & Drug, University of Parma, Via Volturno 39, 43125 Parma, Italy
| | - Donato Angelino
- Faculty of Bioscience and Technology for Food, Agriculture and Environment, University of Teramo, Teramo, 64100, Italy
| | - Daniele Del Rio
- Human Nutrition Unit, Department of Food & Drug, University of Parma, Via Volturno 39, 43125 Parma, Italy
| | - Linda H Chung
- Research Center for High Performance Sport - UCAM Universidad Católica de Murcia, Murcia, Spain
- Department of Food and Nutrition Technology, Universidad Católica de Murcia, Murcia, Spain
| | - Pedro E Alcaraz
- Research Center for High Performance Sport - UCAM Universidad Católica de Murcia, Murcia, Spain
- Department of Food and Nutrition Technology, Universidad Católica de Murcia, Murcia, Spain
| | - Julien Cases
- Fytexia, ZAE via Europa - 3 rue d'Athènes, 34350 Vendres, France.
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Flori L, Piragine E, Spezzini J, Citi V, Calderone V, Martelli A. Influence of Polyphenols on Adipose Tissue: Sirtuins as Pivotal Players in the Browning Process. Int J Mol Sci 2023; 24:ijms24119276. [PMID: 37298226 DOI: 10.3390/ijms24119276] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Revised: 05/09/2023] [Accepted: 05/24/2023] [Indexed: 06/12/2023] Open
Abstract
Adipose tissue (AT) can be classified into two different types: (i) white adipose tissue (WAT), which represents the largest amount of total AT, and has the main function of storing fatty acids for energy needs and (ii) brown adipose tissue (BAT), rich in mitochondria and specialized in thermogenesis. Many exogenous stimuli, e.g., cold, exercise or pharmacological/nutraceutical tools, promote the phenotypic change of WAT to a beige phenotype (BeAT), with intermediate characteristics between BAT and WAT; this process is called "browning". The modulation of AT differentiation towards WAT or BAT, and the phenotypic switch to BeAT, seem to be crucial steps to limit weight gain. Polyphenols are emerging as compounds able to induce browning and thermogenesis processes, potentially via activation of sirtuins. SIRT1 (the most investigated sirtuin) activates a factor involved in mitochondrial biogenesis, peroxisome proliferator-activated receptor γ coactivator 1α (PGC-1α), which, through peroxisome proliferator-activated receptor γ (PPAR-γ) modulation, induces typical genes of BAT and inhibits genes of WAT during the transdifferentiation process in white adipocytes. This review article aims to summarize the current evidence, from pre-clinical studies to clinical trials, on the ability of polyphenols to promote the browning process, with a specific focus on the potential role of sirtuins in the pharmacological/nutraceutical effects of natural compounds.
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Affiliation(s)
- Lorenzo Flori
- Department of Pharmacy, University of Pisa, 56126 Pisa, Italy
| | | | - Jacopo Spezzini
- Department of Pharmacy, University of Pisa, 56126 Pisa, Italy
| | - Valentina Citi
- Department of Pharmacy, University of Pisa, 56126 Pisa, Italy
| | - Vincenzo Calderone
- Department of Pharmacy, University of Pisa, 56126 Pisa, Italy
- Interdepartmental Research Center "Nutrafood: Nutraceutica e Alimentazione per la Salute", University of Pisa, 56126 Pisa, Italy
- Interdepartmental Research Center "Biology and Pathology of Ageing", University of Pisa, 56126 Pisa, Italy
| | - Alma Martelli
- Department of Pharmacy, University of Pisa, 56126 Pisa, Italy
- Interdepartmental Research Center "Nutrafood: Nutraceutica e Alimentazione per la Salute", University of Pisa, 56126 Pisa, Italy
- Interdepartmental Research Center "Biology and Pathology of Ageing", University of Pisa, 56126 Pisa, Italy
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Insights on Dietary Polyphenols as Agents against Metabolic Disorders: Obesity as a Target Disease. Antioxidants (Basel) 2023; 12:antiox12020416. [PMID: 36829976 PMCID: PMC9952395 DOI: 10.3390/antiox12020416] [Citation(s) in RCA: 9] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/28/2023] [Revised: 02/02/2023] [Accepted: 02/02/2023] [Indexed: 02/11/2023] Open
Abstract
Obesity is a condition that leads to increased health problems associated with metabolic disorders. Synthetic drugs are available for obesity treatment, but some of these compounds have demonstrated considerable side effects that limit their use. Polyphenols are vital phytonutrients of plant origin that can be incorporated as functional food ingredients. This review presents recent developments in dietary polyphenols as anti-obesity agents. Evidence supporting the potential application of food-derived polyphenols as agents against obesity has been summarized. Literature evidence supports the effectiveness of plant polyphenols against obesity. The anti-obesity mechanisms of polyphenols have been explained by their potential to inhibit obesity-related digestive enzymes, modulate neurohormones/peptides involved in food intake, and their ability to improve the growth of beneficial gut microbes while inhibiting the proliferation of pathogenic ones. Metabolism of polyphenols by gut microbes produces different metabolites with enhanced biological properties. Thus, research demonstrates that dietary polyphenols can offer a novel path to developing functional foods for treating obesity. Upcoming investigations need to explore novel techniques, such as nanocarriers, to improve the content of polyphenols in foods and their delivery and bioavailability at the target sites in the body.
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Could Naringenin Participate as a Regulator of Obesity and Satiety? Molecules 2023; 28:molecules28031450. [PMID: 36771113 PMCID: PMC9921626 DOI: 10.3390/molecules28031450] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 01/26/2023] [Accepted: 01/31/2023] [Indexed: 02/05/2023] Open
Abstract
Obesity is a serious health problem worldwide, since it is associated with multiple metabolic disorders and complications such as cardiovascular disease, type 2 diabetes, fatty liver disease and overall metabolic dysfunction. Dysregulation of the hunger-satiety pathway, which includes alterations of central and peripheral signaling, explains some forms of obesity by favoring hyperphagia and weight gain. The present work comprehensively summarizes the mechanisms by which naringenin (NAR), a predominant flavanone in citrus fruits, could modulate the main pathways associated with the development of obesity and some of its comorbidities, such as oxidative stress (OS), inflammation, insulin resistance (IR) and dyslipidemia, as well as the role of NAR in modulating the secretion of enterohormones of the satiety pathway and its possible antiobesogenic effect. The results of multiple in vitro and in vivo studies have shown that NAR has various potentially modulatory biological effects against obesity by countering IR, inflammation, OS, macrophage infiltration, dyslipidemia, hepatic steatosis, and adipose deposition. Likewise, NAR is capable of modulating peptides or peripheral hormones directly associated with the hunger-satiety pathway, such as ghrelin, cholecystokinin, insulin, adiponectin and leptin. The evidence supports the use of NAR as a promising alternative to prevent overweight and obesity.
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Aminnejad B, Roumi Z, Hasanpour Ardekanizadeh N, Vahid F, Gholamalizadeh M, Kalantari N, Ataei A, Doaei S. Association of dietary antioxidant index with body mass index in adolescents. Obes Sci Pract 2022; 9:15-22. [PMID: 36789029 PMCID: PMC9913194 DOI: 10.1002/osp4.639] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2022] [Revised: 09/10/2022] [Accepted: 09/13/2022] [Indexed: 11/11/2022] Open
Abstract
Background Dietary antioxidants may decrease body fat through reduction of oxidative stress. This study aimed to examine the association between dietary antioxidant index (DAI) and body mass index (BMI) in adolescent boys. Methods In this cross-sectional study, 593 adolescent boys aged 12-16 years were randomly selected and were divided into two groups of overweight and non-overweight individuals. Data on physical activity and anthropometric measurements were collected. Dietary intake was assessed using 168-item semi quantitative food frequency questionnaire and the DAI score was calculated to measure the antioxidant capacity of the diet. Results The overweight adolescents had higher intake of energy (2490.55 ± 632.49 vs. 2354.33 ± 632.64 kcal/d, p = 0.01), carbohydrate (290.21 ± 71.41 vs. 272.93 ± 79.22 g/d, p = 0.01), fat (111.51 ± 40.76 vs. 104.51 ± 35.56 g/d, p = 0.04), calcium (811.70 ± 283.70 vs. 741.06 ± 251.17 g/d, p = 0.003), and vitamin D (1.41 ± 1.17 vs. 1.18 ± 1.19 μg/d, p = 0.031) in comparison with normal weight adolescents. The DAI had an inverse association with BMI after adjustment for age and caloric intake (OR: 0.85, 95% CI: 0.76-0.96, p = 0.009). Additional adjustment for dietary intake of vitamin A, vitamin E, vitamin C, zinc, manganese, and selenium did not change the results. Conclusion The results of the study showed that following a diet rich in antioxidants may be effective in preventing obesity in adolescent boys. Further longitudinal studies are needed to confirm these finding and to determine the underlying mechanisms.
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Affiliation(s)
- Bahareh Aminnejad
- Department of Nutrition, Science and Research BranchIslamic Azad UniversityTehranIran
| | - Zahra Roumi
- Master of Science Student of Department of Nutrition, Science and Research BranchIslamic Azad UniversityTehranIran
| | | | - Farhad Vahid
- Population Health DepartmentPublic Health ResearchLuxembourg Institute of HealthStrassenLuxembourg
| | | | - Naser Kalantari
- Department of Community NutritionFaculty of Nutrition and Food TechnologyNational Nutrition and Food Technology Research InstituteShahid Beheshti University of Medical SciencesTehranIran
| | - Asal Ataei
- Department of Nutrition, Science and Research BranchIslamic Azad UniversityTehranIran
| | - Saeid Doaei
- Department of Community NutritionFaculty of Nutrition and Food TechnologyNational Nutrition and Food Technology Research InstituteShahid Beheshti University of Medical SciencesTehranIran
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Yao L, Liu W, Bashir M, Nisar MF, Wan CC. Eriocitrin: A review of pharmacological effects. Biomed Pharmacother 2022; 154:113563. [PMID: 35987162 DOI: 10.1016/j.biopha.2022.113563] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 08/11/2022] [Accepted: 08/14/2022] [Indexed: 11/15/2022] Open
Abstract
The present study aimed to recognize the recent literature to highlight the pharmacological impacts and highlight the therapeutic potential of the active molecule eriocitrin. Citrus limon are a good resource of the flavanone eriocitrin (eriodictyol 7-O-β-D-rutinoside). Eriocitrin has potent biological actions due to its strong antioxidant, antitumor, anti-allergic, antidiabetic and anti-inflammatory activities. Eriocitrin is more potent in suppressing oxidative stress in diabetes mellitus (DM) and other chronic diseases incurred by excessive oxidative stress. During metabolism, eriocitrin is metabolized by gut microbiota, and a chain of molecules such as eriodictyol, methy-eriodictyol, 3,4-dihydroxyhydrocinnamic acid (DHCA), and much more conjugated molecules. More in-depth studies are recommended to explore this drug for clinical trials.
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Affiliation(s)
- Liangliang Yao
- Affiliated Hospital of Jiangxi University of Chinese Medicine, Nanchang 330006, China
| | - Wei Liu
- University and College Key Lab of Natural Product Chemistry and Application in Xinjiang, School of Chemistry and Environmental Science, Yili Normal University, Yining 835000, China.
| | - Mariam Bashir
- Department of Physiology and Biochemistry, Cholistan University of Veterinary and Animal Sciences (CUVAS), Bahawalpur 63100, Pakistan
| | - Muhammad Farrukh Nisar
- Jiangxi Key Laboratory for Postharvest Technology and Nondestructive Testing of Fruits & Vegetables, College of Agronomy, Jiangxi Agricultural University, Nanchang 330045, China; Department of Physiology and Biochemistry, Cholistan University of Veterinary and Animal Sciences (CUVAS), Bahawalpur 63100, Pakistan.
| | - Chunpeng Craig Wan
- Jiangxi Key Laboratory for Postharvest Technology and Nondestructive Testing of Fruits & Vegetables, College of Agronomy, Jiangxi Agricultural University, Nanchang 330045, China
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Identification of Epigallocatechin-3-Gallate (EGCG) from Green Tea Using Mass Spectrometry. SEPARATIONS 2022. [DOI: 10.3390/separations9080209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/17/2022] Open
Abstract
In an era where humanity is reinstating its lost hope and expectation on natural products, green tea occupies quite a position for what it has proven to be, in its endeavors for human welfare and health. Epigallocatechin-3-gallate (EGCG) is the key to the vast biological activities of green tea. Green tea is no longer in the backdrop; it has emerged as the most viral, trending bioactive molecule when it comes to health benefits for human beings. This review focuses on the use of various analytical techniques for the analysis of EGCG. That which has been achieved so far, in terms of in vitro, pure component analysis, as well as those spikes in biological fluids and those in vivo in animal and human samples, was surveyed and presented. The use of MS-based techniques for the analysis of EGCG is elaborately reviewed and the need for improvising the applications is explained. The review emphasizes that there is plenty of room to explore matrix-assisted laser desorption/ionization time-of-flight mass spectrometry (MALDI-TOF MS) applications in this subject area.
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Santos KGD, Yoshinaga MY, Glezer I, Chaves-Filho ADB, Santana AAD, Kovacs C, Magnoni CD, Lajolo FM, Miyamoto S, Aymoto Hassimotto NM. Orange juice intake by obese and insulin-resistant subjects lowers specific plasma triglycerides: A randomized clinical trial. Clin Nutr ESPEN 2022; 51:336-344. [DOI: 10.1016/j.clnesp.2022.08.005] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/18/2022] [Revised: 07/24/2022] [Accepted: 08/03/2022] [Indexed: 11/26/2022]
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HALALSHEH RA, KHATTAB AS, ALZOUGHOOL FE, ALKHATEEB HH. Effects of Citrus limon leaf extract on blood glucose and lipid profile in alloxan monohydrate-induced diabetic rats. GAZZETTA MEDICA ITALIANA ARCHIVIO PER LE SCIENZE MEDICHE 2022. [DOI: 10.23736/s0393-3660.21.04569-1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Guarneiri LL, Paton CM, Cooper JA. Pecan-enriched diets increase energy expenditure and fat oxidation in adults at-risk for cardiovascular disease in a randomised, controlled trial. J Hum Nutr Diet 2021; 35:774-785. [PMID: 34841598 DOI: 10.1111/jhn.12966] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2021] [Accepted: 10/11/2021] [Indexed: 02/07/2023]
Abstract
BACKGROUND Research indicates that diets enriched with unsaturated fatty acids improve energy metabolism, although studies on tree nuts, which are a rich source of those fats, are limited. The present study aimed to examine the impact of daily pecan consumption for 8 weeks on energy metabolism in adults with hypercholesterolaemia or at higher risk for cardiovascular disease (CVD) (body mass index ≥ 28 kg m-2 ). METHODS For this randomised, controlled trial, 56 sedentary adults were randomised into one of three treatments for an 8-week intervention: two pecan groups and a nut-free control group (n = 18). The ADD group (n = 16) consumed pecans as part of a free-living diet, whereas the SUB group (n = 18) substituted the pecans for isocaloric foods from their habitual diet. At baseline and 8 weeks, a high saturated fat meal was consumed along with indirect calorimetry measurements at fasting and for 4 h postprandially to determine changes in resting metabolic rate (RMR), diet induced thermogenesis (DIT) and substrate utilisation (primary outcomes). Forty-seven participants completed the trial and were included in analyses. RESULTS In the SUB group, there was an increase in fasting RMR (1607 ± 117 to 1701 ± 114 kcal day-1 ; p = 0.01) and fasting fat oxidation (0.83 ± 0.08 to 0.99 ± 0.08 g/15 min; p = 0.009) and a decrease in fasting respiratory exchange ratio (0.85 ± 0.01 to 0.83 ± 0.01; p = 0.05) from pre- to post-intervention. In the ADD group, there was an increase in postprandial DIT (p < 0.001). There were no changes within the control group or between groups for any outcome measure. CONCLUSIONS Daily consumption of pecans may increase select measures of energy expenditure and fat oxidation in adults at-risk for CVD.
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Affiliation(s)
- Liana L Guarneiri
- Department of Nutritional Sciences, University of Georgia, Athens, GA, USA
| | - Chad M Paton
- Department of Nutritional Sciences, University of Georgia, Athens, GA, USA.,Department of Food Science and Technology, University of Georgia, Athens, GA, USA
| | - Jamie A Cooper
- Department of Nutritional Sciences, University of Georgia, Athens, GA, USA
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de Lima LP, de Paula Barbosa A. A review of the lipolytic effects and the reduction of abdominal fat from bioactive compounds and moro orange extracts. Heliyon 2021; 7:e07695. [PMID: 34409177 PMCID: PMC8361066 DOI: 10.1016/j.heliyon.2021.e07695] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2021] [Revised: 06/23/2021] [Accepted: 07/28/2021] [Indexed: 11/20/2022] Open
Abstract
Dietary supplementation containing Citrus sinensis extract is being widely used for weight loss due to its anti-adipogenic and antioxidant effects that regulate the metabolism of fatty acids. Bioactive compounds upregulate PPARα in the liver tissue, increasing oxidation of fatty acids and improving insulin sensitivity in addition to decreasing the expression of genes involved in the synthesis of fatty acids, such as LXRα and FAS. Studies on synephrine demonstrated their ability to stimulate the development of beige adipose tissue through greater expression of UCP1 and mtTFA, contributing to an increase in thermogenesis and mitochondrial biogenesis. However, despite its widespread use to reduce abdominal fat, few scientific studies have consensually proven the effectiveness of Moro orange extract for weight loss. This literature review summarizes the current information on the pharmacological and molecular mechanisms involved in the modulation of lipid metabolism by the bioactive compounds present in Moro orange extract.
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Affiliation(s)
- Lucas Pinheiro de Lima
- Faculdade Ana Carolina Puga (FAPUGA), Av. Braz Olaia Acosta, 1.900/ 109, Ribeirão Preto, 14026-610, São Paulo, Brazil
| | - Antony de Paula Barbosa
- Faculdade Ana Carolina Puga (FAPUGA), Av. Braz Olaia Acosta, 1.900/ 109, Ribeirão Preto, 14026-610, São Paulo, Brazil
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Takase T, Ikeuchi S, Inoue T, Mukai R. Eriocitrin Contained in Lemon Peel Ameliorates Disuse Muscle Atrophy by Suppressing the Expression of Atrogin-1 and MuRF-1 in Denervated Mice. JOURNAL OF NATURAL PRODUCTS 2021; 84:2048-2052. [PMID: 34189920 DOI: 10.1021/acs.jnatprod.1c00271] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/13/2023]
Abstract
Unloading stress enhances oxidative stress, which in turn induces disuse muscle atrophy. This study evaluated the suppressive effect of lemon peel extract containing eriocitrin on muscle atrophy. Both lemon peel extract and eriocitrin suppressed weight loss in the gastrocnemius muscle under denervation in C57BL/6 mice. The mRNA level of ubiquitin ligases and their transcription factor were downregulated by eriocitrin. Eriocitrin inhibited the increase in lipid peroxidation and the ratio of glutathione disulfide/glutathione. These data suggest that eriocitrin ameliorated disuse muscle atrophy by suppressing the expression of ubiquitin ligase genes by its antioxidative effect.
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Affiliation(s)
- Takahito Takase
- Research and Development Division, Sapporo Holdings Ltd., 10 Okatome, Yaizu, Shizuoka 425-0013, Japan
- Fundamental Laboratory, Pokka Sapporo Food & Beverage Ltd., 1189-4, Nippacho, Yokohama, Kanagawa 223-0057, Japan
| | - Satoshi Ikeuchi
- Research and Development Division, Sapporo Holdings Ltd., 10 Okatome, Yaizu, Shizuoka 425-0013, Japan
- Fundamental Laboratory, Pokka Sapporo Food & Beverage Ltd., 1189-4, Nippacho, Yokohama, Kanagawa 223-0057, Japan
| | - Takashi Inoue
- Research and Development Division, Sapporo Holdings Ltd., 10 Okatome, Yaizu, Shizuoka 425-0013, Japan
- Fundamental Laboratory, Pokka Sapporo Food & Beverage Ltd., 1189-4, Nippacho, Yokohama, Kanagawa 223-0057, Japan
| | - Rie Mukai
- Department of Food Science, Graduate School of Technology, Industry and Social Sciences, Tokushima University, 2-1, Minamijosanjima, Tokushima 770-8513, Japan
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Mice lacking PLAP-1/asporin counteracts high fat diet-induced metabolic disorder and alveolar bone loss by controlling adipose tissue expansion. Sci Rep 2021; 11:4970. [PMID: 33654143 PMCID: PMC7925592 DOI: 10.1038/s41598-021-84512-2] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Accepted: 02/17/2021] [Indexed: 12/19/2022] Open
Abstract
Adipose tissue fibrosis with chronic inflammation is a hallmark of obesity-related metabolic disorders, and the role of proteoglycans in developing adipose tissue fibrosis is of interest. Periodontal disease is associated with obesity; however, the underlying molecular mechanisms remain unclear. Here we investigated the roles of periodontal ligament associated protein-1 (PLAP-1)/asporin, a proteoglycan preferentially and highly expressed in the periodontal ligament, in obesity-related adipose tissue dysfunction and adipocyte differentiation. It was found that PLAP-1 is also highly expressed in white adipose tissues. Plap-1 knock-out mice counteracted obesity and alveolar bone resorption induced by a high-fat diet. Plap-1 knock-down in 3T3-L1 cells resulted in less lipid accumulation, and recombinant PLAP-1 enhanced lipid accumulation in 3T3-L1 cells. In addition, it was found that primary preadipocytes isolated from Plap-1 knock-out mice showed lesser lipid accumulation than the wild-type (WT) mice. Furthermore, the stromal vascular fraction of Plap-1 knock-out mice showed different extracellular matrix gene expression patterns compared to WT. These findings demonstrate that PLAP-1 enhances adipogenesis and could be a key molecule in understanding the association between periodontal disease and obesity-related metabolic disorders.
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Low doses of eriocitrin attenuate metabolic impairment of glucose and lipids in ongoing obesogenic diet in mice. J Nutr Sci 2020; 9:e59. [PMID: 33489104 PMCID: PMC7801930 DOI: 10.1017/jns.2020.52] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2020] [Revised: 10/27/2020] [Accepted: 11/09/2020] [Indexed: 02/06/2023] Open
Abstract
Eriocitrin is a citrus flavonoid with a high capacity to reduce the oxidative stress related to metabolic disorders and obesity. We assessed the effects of low doses of eriocitrin on the oxidative stress, inflammation, and metabolism of glucose and lipids of high-fat diet (HFD)-fed obese mice. Fifty male C57BL/6J mice were randomly assigned into five groups (n 10). The mice were fed an HFD (45 % kcal from fat, i.e. lard) for 4 weeks for obesity induction. After this period, the mice continued receiving the same HFD, but supplemented with eriocitrin at 10, 25 or 100 mg/kg body weight (bw) for an additional 4 weeks. Control groups were fed with standard diet (10 % kcal of fat, i.e. soy oil) or with HFD without eriocitrin, for eight consecutive weeks. At the end of the study, mice supplemented with eriocitrin showed lower levels of blood serum glucose and blood and liver triacylglycerols (P < 0⋅05). There was also improved levels of insulin, HOMA-IR, total-cholesterol, resistin and lipid peroxidation in the supplemented mice. It was concluded that the 25 mg dose of eriocitrin improved all the parameters studied and had positive effects on oxidative stress, systemic inflammation and metabolism of lipids and glucose in general.
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16
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Inada AC, Silva GT, da Silva LPR, Alves FM, Filiú WFDO, Asato MA, Junior WHK, Corsino J, Figueiredo PDO, Garcez FR, Garcez WS, da Silva RDNO, dos Santos-Eichler RA, Guimarães RDCA, Freitas KDC, Hiane PA. Therapeutic Effects of Morinda citrifolia Linn. (Noni) Aqueous Fruit Extract on the Glucose and Lipid Metabolism in High-Fat/High-Fructose-Fed Swiss Mice. Nutrients 2020; 12:nu12113439. [PMID: 33182564 PMCID: PMC7696076 DOI: 10.3390/nu12113439] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/16/2020] [Revised: 10/13/2020] [Accepted: 10/20/2020] [Indexed: 12/28/2022] Open
Abstract
The aim of this study was to evaluate the therapeutic effects of two different doses (250 and 500 mg/kg) of Morinda citrifolia fruit aqueous extract (AE) in high-fat/high-fructose-fed Swiss mice. The food intake, body weight, serum biochemical, oral glucose tolerance test (OGTT), and enzyme-linked immunosorbent assay (ELISA), as well as histological analyses of the liver, pancreatic, and epididymal adipose tissue, were used to determine the biochemical and histological parameters. The chemical profile of the extract was determined by ultra-fast liquid chromatography–diode array detector–tandem mass spectrometry (UFLC–DAD–MS), and quantitative real-time PCR (qRT-PCR) was used to evaluate the gene expressions involved in the lipid and glucose metabolism, such as peroxisome proliferative-activated receptors-γ (PPAR-γ), -α (PPAR-α), fatty acid synthase (FAS), glucose-6-phosphatase (G6P), sterol regulatory binding protein-1c (SREBP-1c), carbohydrate-responsive element-binding protein (ChREBP), and fetuin-A. Seventeen compounds were tentatively identified, including iridoids, noniosides, and the flavonoid rutin. The higher dose of AE (AE 500 mg/kg) was demonstrated to improve the glucose tolerance; however, both doses did not have effects on the other metabolic and histological parameters. AE at 500 mg/kg downregulated the PPAR-γ, SREBP-1c, and fetuin-A mRNA in the liver and upregulated the PPAR-α mRNA in white adipose tissue, suggesting that the hypoglycemic effects could be associated with the expression of genes involved in de novo lipogenesis.
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Affiliation(s)
- Aline Carla Inada
- Post Graduate Program in Health and Development in the Central-West Region of Brazil, Federal University of Mato Grosso do Sul, Campo Grande, MS 79070-900, Brazil; (G.T.S.); (L.P.R.d.S.); (R.d.C.A.G.); (K.d.C.F.); (P.A.H.)
- Correspondence: ; Tel.: +55-(67)-3345-7410
| | - Gabriela Torres Silva
- Post Graduate Program in Health and Development in the Central-West Region of Brazil, Federal University of Mato Grosso do Sul, Campo Grande, MS 79070-900, Brazil; (G.T.S.); (L.P.R.d.S.); (R.d.C.A.G.); (K.d.C.F.); (P.A.H.)
| | - Laleska Pâmela Rodrigues da Silva
- Post Graduate Program in Health and Development in the Central-West Region of Brazil, Federal University of Mato Grosso do Sul, Campo Grande, MS 79070-900, Brazil; (G.T.S.); (L.P.R.d.S.); (R.d.C.A.G.); (K.d.C.F.); (P.A.H.)
| | - Flávio Macedo Alves
- Institute of Biosciences, Federal University of Mato Grosso do Sul-UFMS, Campo Grande, MS 79070-900, Brazil;
| | - Wander Fernando de Oliveira Filiú
- Faculty of Pharmaceutical Science, Food and Nutrition, Federal University of Mato Grosso do Sul-UFMS, Campo Grande, MS 79070-900, Brazil;
| | - Marcel Arakaki Asato
- Faculty of Medicine, Federal University of Mato Grosso do Sul—UFMS, Campo Grande, MS 79070-900, Brazil;
| | - Wilson Hino Kato Junior
- Laboratory PRONABio (Laboratory of Bioactive Natural Products)—Chemistry Institute, Federal University of Mato Grosso do Sul-UFMS, Campo Grande, MS 79070-900, Brazil; (W.H.K.J.); (J.C.); (P.d.O.F.); (F.R.G.); (W.S.G.)
| | - Joaquim Corsino
- Laboratory PRONABio (Laboratory of Bioactive Natural Products)—Chemistry Institute, Federal University of Mato Grosso do Sul-UFMS, Campo Grande, MS 79070-900, Brazil; (W.H.K.J.); (J.C.); (P.d.O.F.); (F.R.G.); (W.S.G.)
| | - Patrícia de Oliveira Figueiredo
- Laboratory PRONABio (Laboratory of Bioactive Natural Products)—Chemistry Institute, Federal University of Mato Grosso do Sul-UFMS, Campo Grande, MS 79070-900, Brazil; (W.H.K.J.); (J.C.); (P.d.O.F.); (F.R.G.); (W.S.G.)
| | - Fernanda Rodrigues Garcez
- Laboratory PRONABio (Laboratory of Bioactive Natural Products)—Chemistry Institute, Federal University of Mato Grosso do Sul-UFMS, Campo Grande, MS 79070-900, Brazil; (W.H.K.J.); (J.C.); (P.d.O.F.); (F.R.G.); (W.S.G.)
| | - Walmir Silva Garcez
- Laboratory PRONABio (Laboratory of Bioactive Natural Products)—Chemistry Institute, Federal University of Mato Grosso do Sul-UFMS, Campo Grande, MS 79070-900, Brazil; (W.H.K.J.); (J.C.); (P.d.O.F.); (F.R.G.); (W.S.G.)
| | - Renée de Nazaré Oliveira da Silva
- Department of Pharmacology, Biomedical Sciences Institute, University of São Paulo, São Paulo, SP 05508-900, Brazil; (R.d.N.O.d.S.); (R.A.d.S.-E.)
| | | | - Rita de Cássia Avellaneda Guimarães
- Post Graduate Program in Health and Development in the Central-West Region of Brazil, Federal University of Mato Grosso do Sul, Campo Grande, MS 79070-900, Brazil; (G.T.S.); (L.P.R.d.S.); (R.d.C.A.G.); (K.d.C.F.); (P.A.H.)
| | - Karine de Cássia Freitas
- Post Graduate Program in Health and Development in the Central-West Region of Brazil, Federal University of Mato Grosso do Sul, Campo Grande, MS 79070-900, Brazil; (G.T.S.); (L.P.R.d.S.); (R.d.C.A.G.); (K.d.C.F.); (P.A.H.)
| | - Priscila Aiko Hiane
- Post Graduate Program in Health and Development in the Central-West Region of Brazil, Federal University of Mato Grosso do Sul, Campo Grande, MS 79070-900, Brazil; (G.T.S.); (L.P.R.d.S.); (R.d.C.A.G.); (K.d.C.F.); (P.A.H.)
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17
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Farhangi MA, Vajdi M, Fathollahi P. Dietary total antioxidant capacity (TAC), general and central obesity indices and serum lipids among adults: An updated systematic review and meta-analysis. INT J VITAM NUTR RES 2020; 92:406-422. [PMID: 32777987 DOI: 10.1024/0300-9831/a000675] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Background: In the present meta-analysis, we aimed to summarize the relationship between dietary total antioxidant capacity (TAC), general and central obesity indices and lipid profile in adult population. Methods: The electronic databases of Web of Sciences, PubMed, Scopus and Cochrane library were searched for relevant studies from inception to October 2019. The effect size was indicated as weighted mean difference (WMD) and 95% confidence intervals (CI) by using random effects model. The I2 index and Cochran's Q-test were used for evaluating heterogeneity. Results: From 2,469 studies identified, thirty-four studies (nineteen cross-sectional studies, thirteen cohort studies, two case-control studies) were included in the meta-analysis. According to our results, higher categories of TAC were associated with significantly lower serum triglyceride concentartions (TG; WMD: -7.58; CI: -11.42, -3.75; P < 0.001) and waist circumference (WC; WMD: -1.17; 95% CI: -1.47, -0.87; P < 0.001); while no significant change in body mass index (BMI; WMD: -0.17; 95% CI: -0.35, 0.01; P = 0.12), high density lipoprotein cholesterol (HDL-C; WMD: 0.61; 95% CI: -0.16, 1.40; P = 0.12), low density lipoprotein cholesterol (LDL-C; WMD: 1.34; 95% CI: -0.61, 3.30; P = 0.17) and total cholesterol (TC; WMD: 1.19; 95% CI: -1.46, 3.855; P = 0.37) was reported. Conclusion: Higher dietary TAC was related to reduced prevalence of central obesity, reduced WC and TG concentrations in the current meta-analysis. Moreover, subgroup analysis showed that TAC measurement index, geographical area, dietary assessment tool, health status and gender were potential sources of heterogeneity.
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Affiliation(s)
- Mahdieh Abbasalizad Farhangi
- Research Center for Evidence Based Medicine, Health Management and Safety Promotion Research Institute, Tabriz University of Medical Sciences, Tabriz, Iran.,Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Mahdi Vajdi
- Nutrition Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Pourya Fathollahi
- Nutrition Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
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18
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Tejpal S, Wemyss AM, Bastie CC, Klein-Seetharaman J. Lemon Extract Reduces Angiotensin Converting Enzyme (ACE) Expression and Activity and Increases Insulin Sensitivity and Lipolysis in Mouse Adipocytes. Nutrients 2020; 12:E2348. [PMID: 32781523 PMCID: PMC7468735 DOI: 10.3390/nu12082348] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 07/31/2020] [Accepted: 08/03/2020] [Indexed: 01/06/2023] Open
Abstract
Obesity is associated with insulin resistance and cardiovascular complications. In this paper, we examine the possible beneficial role of lemon juice in dieting. Lemon extract (LE) has been proposed to improve serum insulin levels and decrease angiotensin converting enzyme (ACE) activity in mouse models. ACE is also a biomarker for sustained weight loss and ACE inhibitors improve insulin sensitivity in humans. Here, we show that LE impacts adipose tissue metabolism directly. In 3T3-L1 differentiated adipocyte cells, LE improved insulin sensitivity as evidenced by a 3.74 ± 0.54-fold increase in both pAKT and GLUT4 levels. LE also induced lipolysis as demonstrated by a 16.6 ± 1.2 fold-change in pHSL protein expression levels. ACE gene expression increased 12.0 ± 0.1 fold during differentiation of 3T3-L1 cells in the absence of LE, and treatment with LE decreased ACE gene expression by 80.1 ± 0.5% and protein expression by 55 ± 0.37%. We conclude that LE's reduction of ACE expression causes increased insulin sensitivity and breakdown of lipids in adipocytes.
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Affiliation(s)
- Shilpa Tejpal
- Division of Biomedical Sciences, Warwick Medical School, University of Warwick, Gibbet Hill, Coventry CV4 7AL, UK;
| | - Alan M. Wemyss
- Department of Chemistry, University of Warwick, Gibbet Hill, Coventry CV4 7AL, UK;
| | - Claire C. Bastie
- Division of Biomedical Sciences, Warwick Medical School, University of Warwick, Gibbet Hill, Coventry CV4 7AL, UK;
| | - Judith Klein-Seetharaman
- Division of Biomedical Sciences, Warwick Medical School, University of Warwick, Gibbet Hill, Coventry CV4 7AL, UK;
- Department of Chemistry, Colorado School of Mines, Golden, CO 80401, USA
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19
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Chaves WF, Pinheiro IL, da Silva LO, Lima-Oliveira DP, Muniz GDS, Barreto ÁDN, da Silva BJ, Manhães-de-Castro R, da Silva Aragão R. Neonatal administration of kaempferol does not alter satiety but increases somatic growth and reduces adiposity in offspring of high-fat diet dams. Life Sci 2020; 259:118224. [PMID: 32768574 DOI: 10.1016/j.lfs.2020.118224] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2020] [Revised: 07/29/2020] [Accepted: 08/03/2020] [Indexed: 11/30/2022]
Abstract
AIM The aim of this study was to evaluate the effects of maternal exposure to a high-fat diet associated with neonatal administration of kaempferol on somatic growth, biochemical profile and feeding behavior in offspring. MATERIALS AND METHODS Wistar rats were distributed according to diet during pregnancy and lactation into Control (C; 3.4 kcal/g; 12% kcal/lipids) or High-fat (HFD; 4.6 kcal/g; 51% kcal/lipids) groups. In the offspring, vehicle (V) or kaempferol (K, 1 mg/kg) were administered from the 8th until the 21st postnatal day (PND). Maternal body weight (BW), caloric intake and adiposity were measured. In the offspring, somatic growth parameters were evaluated on the 7th, 14th, 21st, 25th and 30th PND, except for BW, which was measured from the 8th to the 21st and from the 25th to the 30th PND. Feeding behavior was assessed by food intake and behavioral satiety sequence (BSS) on the 30th PND. The biochemical profile and relative weight of adipose tissue of offspring were also measured. KEY FINDINGS Dams exposed to HFD showed no difference in body weight and caloric intake but exhibited increased adiposity. Neonatal administration of kaempferol increased body weight after weaning and somatic growth in the offspring of HFD dams. Neonatal kaempferol also reduced adiposity and serum creatinine levels in offspring. Neither maternal diet nor kaempferol altered offspring feeding behavior. SIGNIFICANCE Neonatal administration of kaempferol promotes increased somatic growth post-weaning, reduces adiposity, and does not alter feeding behavior in offspring from high-fat dams.
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Affiliation(s)
| | - Isabeli Lins Pinheiro
- Physical Education and Sport Sciences Unit, Universidade Federal de Pernambuco, 55608-680 Vitória de Santo Antão, PE, Brazil; Phenotypic Plasticity and Nutrition Studies Unit, Universidade Federal de Pernambuco, 50670-901 Recife, PE, Brazil
| | - Luana Olegário da Silva
- Graduate Program in Nutrition, Physical Activity and Phenotypic Plasticity, Universidade Federal de Pernambuco, 55608-680 Vitória de Santo Antão, PE, Brazil
| | - Débora Priscila Lima-Oliveira
- Graduate Program in Nutrition, Physical Activity and Phenotypic Plasticity, Universidade Federal de Pernambuco, 55608-680 Vitória de Santo Antão, PE, Brazil
| | - Gisélia de Santana Muniz
- Graduate Program in Nutrition, Universidade Federal de Pernambuco, 50670-901 Recife, PE, Brazil; Phenotypic Plasticity and Nutrition Studies Unit, Universidade Federal de Pernambuco, 50670-901 Recife, PE, Brazil; Departament of Nutrition, Universidade Federal de Pernambuco, 50670-901 Recife, PE, Brazil
| | | | - Breno José da Silva
- Departament of Nutrition, Universidade Federal de Pernambuco, 50670-901 Recife, PE, Brazil
| | - Raul Manhães-de-Castro
- Graduate Program in Nutrition, Universidade Federal de Pernambuco, 50670-901 Recife, PE, Brazil; Phenotypic Plasticity and Nutrition Studies Unit, Universidade Federal de Pernambuco, 50670-901 Recife, PE, Brazil
| | - Raquel da Silva Aragão
- Graduate Program in Nutrition, Universidade Federal de Pernambuco, 50670-901 Recife, PE, Brazil; Physical Education and Sport Sciences Unit, Universidade Federal de Pernambuco, 55608-680 Vitória de Santo Antão, PE, Brazil; Phenotypic Plasticity and Nutrition Studies Unit, Universidade Federal de Pernambuco, 50670-901 Recife, PE, Brazil; Graduate Program in Nutrition, Physical Activity and Phenotypic Plasticity, Universidade Federal de Pernambuco, 55608-680 Vitória de Santo Antão, PE, Brazil.
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20
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nimrouzi M, Abolghasemi J, Sharifi MH, Nasiri K, Akbari A. Thyme oxymel by improving of inflammation, oxidative stress, dyslipidemia and homeostasis of some trace elements ameliorates obesity induced by high-fructose/fat diet in male rat. Biomed Pharmacother 2020; 126:110079. [DOI: 10.1016/j.biopha.2020.110079] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/09/2019] [Revised: 03/04/2020] [Accepted: 03/05/2020] [Indexed: 12/17/2022] Open
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Soto-Covasich J, Reyes-Farias M, Torres R, Vasquez K, Duarte L, Quezada J, Jimenez P, Pino M, Garcia-Nannig L, Mercado L, Garcia-Diaz D. A polyphenol-rich Calafate (Berberis microphylla) extract rescues glucose tolerance in mice fed with cafeteria diet. J Funct Foods 2020. [DOI: 10.1016/j.jff.2020.103856] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/22/2023] Open
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22
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Bagetta D, Maruca A, Lupia A, Mesiti F, Catalano R, Romeo I, Moraca F, Ambrosio FA, Costa G, Artese A, Ortuso F, Alcaro S, Rocca R. Mediterranean products as promising source of multi-target agents in the treatment of metabolic syndrome. Eur J Med Chem 2019; 186:111903. [PMID: 31787360 DOI: 10.1016/j.ejmech.2019.111903] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2019] [Revised: 10/02/2019] [Accepted: 11/18/2019] [Indexed: 01/19/2023]
Abstract
Alteration of nutritional habits play an essential role on the risk of developing Metabolic Syndrome (MetS). Several epidemiological studies have shown that assuming diets rich of foods included in the Mediterranean diet (MetDiet) pattern like, such as olive oil, nuts, fruit, fiber, vegetables, wine and grain cereals has protective effects on the different risk factors characterizing the MetS. The beneficial effects of the MetDiet in the MetS are mainly due to the antioxidant and anti-inflammatory properties of the most abundant phytochemical components of such foods as polyphenols like resveratrol and oleuropein, allyl sulfides, ellagic acid, mono- and poly-unsaturated fatty acids (MUFA and PUFA), tocopherols and flavonoids like quercetin, which have shown positive results in the prevention of cardiovascular diseases (CVDs), with related risk factors, like hypertension, hypercholesterolemia and obesity. In this review, we highlighted the multi-target activities of the bioactive components contained in some foods typical of the Mediterranean area like olive oil, onion, liquorice, rosemary, oregano, hazelnut, pistachio, "Melannurca" apple, red wine, hot pepper, Citrus sp. fruits, saffron and garlic, with particular focus on their impact on health outcomes in relation to MetS main key factors, such as insulin resistance (IR) and type 2 diabetes mellitus (T2DM), endothelial dysfunctions, inflammatory response, oxidative stress and dyslipidaemic and hypercholesterolemic effects.
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Affiliation(s)
- Donatella Bagetta
- Dipartimento di Scienze della Salute, Università "Magna Græcia", Campus Salvatore Venuta, Viale Europa, 88100, Catanzaro, Italy; Net4Science srl, Università "Magna Græcia", Campus Salvatore Venuta, Viale Europa, 88100, Catanzaro, Italy
| | - Annalisa Maruca
- Dipartimento di Scienze della Salute, Università "Magna Græcia", Campus Salvatore Venuta, Viale Europa, 88100, Catanzaro, Italy; Net4Science srl, Università "Magna Græcia", Campus Salvatore Venuta, Viale Europa, 88100, Catanzaro, Italy
| | - Antonio Lupia
- Dipartimento di Scienze della Salute, Università "Magna Græcia", Campus Salvatore Venuta, Viale Europa, 88100, Catanzaro, Italy; Net4Science srl, Università "Magna Græcia", Campus Salvatore Venuta, Viale Europa, 88100, Catanzaro, Italy
| | - Francesco Mesiti
- Dipartimento di Scienze della Salute, Università "Magna Græcia", Campus Salvatore Venuta, Viale Europa, 88100, Catanzaro, Italy; Net4Science srl, Università "Magna Græcia", Campus Salvatore Venuta, Viale Europa, 88100, Catanzaro, Italy
| | - Raffaella Catalano
- Dipartimento di Scienze della Salute, Università "Magna Græcia", Campus Salvatore Venuta, Viale Europa, 88100, Catanzaro, Italy; Net4Science srl, Università "Magna Græcia", Campus Salvatore Venuta, Viale Europa, 88100, Catanzaro, Italy
| | - Isabella Romeo
- Net4Science srl, Università "Magna Græcia", Campus Salvatore Venuta, Viale Europa, 88100, Catanzaro, Italy; Department of Chemistry and Chemical Technologies, University of Calabria, via Pietro Bucci, 87036, Arcavacata di Rende, Italy
| | - Federica Moraca
- Net4Science srl, Università "Magna Græcia", Campus Salvatore Venuta, Viale Europa, 88100, Catanzaro, Italy; Department of Pharmacy, University of Naples "Federico II", via D. Montesano 49, 80131, Naples, Italy.
| | - Francesca Alessandra Ambrosio
- Dipartimento di Scienze della Salute, Università "Magna Græcia", Campus Salvatore Venuta, Viale Europa, 88100, Catanzaro, Italy.
| | - Giosuè Costa
- Dipartimento di Scienze della Salute, Università "Magna Græcia", Campus Salvatore Venuta, Viale Europa, 88100, Catanzaro, Italy; Net4Science srl, Università "Magna Græcia", Campus Salvatore Venuta, Viale Europa, 88100, Catanzaro, Italy
| | - Anna Artese
- Dipartimento di Scienze della Salute, Università "Magna Græcia", Campus Salvatore Venuta, Viale Europa, 88100, Catanzaro, Italy; Net4Science srl, Università "Magna Græcia", Campus Salvatore Venuta, Viale Europa, 88100, Catanzaro, Italy
| | - Francesco Ortuso
- Dipartimento di Scienze della Salute, Università "Magna Græcia", Campus Salvatore Venuta, Viale Europa, 88100, Catanzaro, Italy; Net4Science srl, Università "Magna Græcia", Campus Salvatore Venuta, Viale Europa, 88100, Catanzaro, Italy
| | - Stefano Alcaro
- Dipartimento di Scienze della Salute, Università "Magna Græcia", Campus Salvatore Venuta, Viale Europa, 88100, Catanzaro, Italy; Net4Science srl, Università "Magna Græcia", Campus Salvatore Venuta, Viale Europa, 88100, Catanzaro, Italy
| | - Roberta Rocca
- Net4Science srl, Università "Magna Græcia", Campus Salvatore Venuta, Viale Europa, 88100, Catanzaro, Italy; Department of Experimental and Clinical Medicine, "Magna Græcia" University, Campus Salvatore Venuta, Viale Europa, 88100, Catanzaro, Italy
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23
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Mozaffari H, Daneshzad E, Larijani B, Surkan PJ, Azadbakht L. Association of dietary total antioxidant capacity to anthropometry in healthy women: A cross-sectional study. Nutrition 2019; 69:110577. [PMID: 31610483 DOI: 10.1016/j.nut.2019.110577] [Citation(s) in RCA: 23] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2019] [Revised: 08/08/2019] [Accepted: 08/12/2019] [Indexed: 12/21/2022]
Abstract
OBJECTIVES Reactive oxygen species level is a fundamental component in the pathogenesis of obesity that might be reduced by dietary antioxidants. Measurement of dietary total antioxidant capacity (DTAC) is regarded as a new holistic dietary index. Given the limited research on DTAC, the aim of this study was to examine the association of DTAC with obesity-related features in women. METHODS The present cross-sectional study included 627 female participants. Data on dietary intake were assessed using a validated food frequency questionnaire. DTAC was estimated through total reactive antioxidant potential (TRAP), Trolox equivalent antioxidant capacity (TEAC), and ferric reducing ability of plasma (FRAP). Anthropometric parameters (body mass index and waist circumference), were investigated using standard methods. RESULTS After adjustment for possible covariates, both TRAP and TEAC were significantly positively associated with obesity (TRAP: OR, 1.65; 95% confidence interval [CI], 1.04-2.63; Ptrend, 0.03; TEAC: OR, 1.63; 95% CI, 1.01-2.63; Ptrend, 0.04). However, there was no association between FRAP and obesity (OR, 1.11; 95% CI, 0.64-1.93; Ptrend, 0.68). Moreover, no relationship was found between different DTAC indices and waist circumference (TRAP: OR, 1.13; 95% CI, 0.70-1.80; Ptrend, 0.60; TEAC: OR, 1.04; 95% CI, 0.64-1.69; Ptrend, 0.87; FRAP: OR, 0.86; 95% CI, 0.49-1.51; Ptrend, 0.62). CONCLUSION Women with higher DTAC scores had higher risk for obesity. No association was found between DTAC and waist circumference.
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Affiliation(s)
- Hadis Mozaffari
- Obesity and Eating Habits Research Center, Endocrinology and Metabolism Molecular -Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran; Department of Community Nutrition, School of Nutritional Science and Dietetics, Tehran University of Medical Sciences, Tehran, Iran; Students' Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Elnaz Daneshzad
- Department of Community Nutrition, School of Nutritional Science and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Bagher Larijani
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Pamela J Surkan
- Department of International Health, Johns Hopkins Bloomberg School of Public Health, Baltimore, USA
| | - Leila Azadbakht
- Department of Community Nutrition, School of Nutritional Science and Dietetics, Tehran University of Medical Sciences, Tehran, Iran; Diabetes Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran; Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran.
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Ribeiro CB, Ramos FM, Manthey JA, Cesar TB. Effectiveness of Eriomin® in managing hyperglycemia and reversal of prediabetes condition: A double-blind, randomized, controlled study. Phytother Res 2019; 33:1921-1933. [PMID: 31183921 PMCID: PMC6618084 DOI: 10.1002/ptr.6386] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/06/2018] [Revised: 04/15/2019] [Accepted: 04/20/2019] [Indexed: 01/15/2023]
Abstract
This study evaluated the potential effectiveness of different doses of Eriomin® on hyperglycemia and insulin resistance associated with other metabolic biomarkers in prediabetic individuals. Prediabetes patients (n = 103, 49 ± 10 years) were randomly divided into four parallel groups: (a) Placebo; (b) Eriomin 200 mg; (c) Eriomin 400 mg; and (d) Eriomin 800 mg. Assessment of biochemical, metabolic, inflammatory, hepatic, renal, anthropometric markers, blood pressure, and dietary parameters were performed during 12 weeks of intervention. Treatment with all doses of Eriomin (200, 400, and 800 mg) had similar effects and altered significantly the following variables: blood glucose (−5%), insulin resistance (−7%), glucose intolerance (−7%), glycated hemoglobin (−2%), glucagon (−6.5%), C‐peptide (−5%), hsCRP (−12%), interleukin‐6 (−13%), TNFα (−11%), lipid peroxidation (−17%), systolic blood pressure (−8%), GLP‐1 (+15%), adiponectin (+19%), and antioxidant capacity (+6%). Eriomin or placebo did not influence the anthropometric and dietary variables. Short‐term intervention with Eriomin, at doses of 200, 400, or 800 mg/day, benefited glycemic control, reduced systemic inflammation and oxidative stress, and reversed the prediabetic condition in 24% of the evaluated patients.
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Affiliation(s)
- Carolina B Ribeiro
- Department of Food and Nutrition, School of Pharmaceutical Sciences, Sao Paulo State University-UNESP, Araraquara, São Paulo, Brazil
| | - Fernanda M Ramos
- Department of Food and Nutrition, School of Pharmaceutical Sciences, Sao Paulo State University-UNESP, Araraquara, São Paulo, Brazil
| | - John A Manthey
- U.S. Horticultural Research Laboratory, Agricultural Research Service, USDA, Port Fierce, Florida
| | - Thais B Cesar
- Department of Food and Nutrition, School of Pharmaceutical Sciences, Sao Paulo State University-UNESP, Araraquara, São Paulo, Brazil
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Beneficial Effects of Citrus Flavonoids on Cardiovascular and Metabolic Health. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:5484138. [PMID: 30962863 PMCID: PMC6431442 DOI: 10.1155/2019/5484138] [Citation(s) in RCA: 126] [Impact Index Per Article: 25.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/20/2018] [Revised: 01/06/2019] [Accepted: 01/30/2019] [Indexed: 12/20/2022]
Abstract
The prevalence of cardiovascular disease (CVD) is increasing over time. CVD is a comorbidity in diabetes and contributes to premature death. Citrus flavonoids possess several biological activities and have emerged as efficient therapeutics for the treatment of CVD. Citrus flavonoids scavenge free radicals, improve glucose tolerance and insulin sensitivity, modulate lipid metabolism and adipocyte differentiation, suppress inflammation and apoptosis, and improve endothelial dysfunction. The intake of citrus flavonoids has been associated with improved cardiovascular outcomes. Although citrus flavonoids exerted multiple beneficial effects, their mechanisms of action are not completely established. In this review, we summarized recent findings and advances in understanding the mechanisms underlying the protective effects of citrus flavonoids against oxidative stress, inflammation, diabetes, dyslipidemia, endothelial dysfunction, and atherosclerosis. Further studies and clinical trials to assess the efficacy and to explore the underlying mechanism(s) of action of citrus flavonoids are recommended.
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Sarkar P, Thirumurugan K. Modulatory functions of bioactive fruits, vegetables and spices in adipogenesis and angiogenesis. J Funct Foods 2019. [DOI: 10.1016/j.jff.2018.12.036] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022] Open
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Casacchia T, Occhiuzzi MA, Grande F, Rizzuti B, Granieri MC, Rocca C, Gattuso A, Garofalo A, Angelone T, Statti G. A pilot study on the nutraceutical properties of the Citrus hybrid Tacle® as a dietary source of polyphenols for supplementation in metabolic disorders. J Funct Foods 2019. [DOI: 10.1016/j.jff.2018.11.030] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
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28
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Zhang J, Xiao X, Dong Y, Zhou X. Fermented barley extracts with Lactobacillus plantarum dy-1 changes serum metabolomic profiles in rats with high-fat diet-induced obesity. Int J Food Sci Nutr 2018; 70:303-310. [DOI: 10.1080/09637486.2018.1511687] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Affiliation(s)
- Jiayan Zhang
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Xiang Xiao
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Ying Dong
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
| | - Xinghua Zhou
- School of Food and Biological Engineering, Jiangsu University, Zhenjiang, China
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Effects of Polyphenols on Thermogenesis and Mitochondrial Biogenesis. Int J Mol Sci 2018; 19:ijms19092757. [PMID: 30217101 PMCID: PMC6164046 DOI: 10.3390/ijms19092757] [Citation(s) in RCA: 66] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2018] [Revised: 08/31/2018] [Accepted: 09/03/2018] [Indexed: 02/05/2023] Open
Abstract
Obesity is a health problem worldwide, and energy imbalance has been pointed out as one of the main factors responsible for its development. As mitochondria are a key element in energy homeostasis, the development of obesity has been strongly associated with mitochondrial imbalance. Polyphenols are the largest group of phytochemicals, widely distributed in the plant kingdom, abundant in fruits and vegetables, and have been classically described as antioxidants owing to their well-established ability to eliminate free radicals and reactive oxygen species (ROS). During the last decade, however, growing evidence reports the ability of polyphenols to perform several important biological activities in addition to their antioxidant activity. Special attention has been given to the ability of polyphenols to modulate mitochondrial processes. Thus, some polyphenols are now recognized as molecules capable of modulating pathways that regulate mitochondrial biogenesis, ATP synthesis, and thermogenesis, among others. The present review reports the main benefits of polyphenols in modulating mitochondrial processes that favor the regulation of energy expenditure and offer benefits in the management of obesity, especially thermogenesis and mitochondrial biogenesis.
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Abdel-Ghaf O, Abdel-Mone A, Abdel-Mohs S. Protective Effect of Naringenin Against Isoniazid-induced Adverse Reactions in Rats. INT J PHARMACOL 2018. [DOI: 10.3923/ijp.2018.667.680] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022]
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31
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Yu MH, Yang TY, Ho HH, Huang HP, Chan KC, Wang CJ. Mulberry Polyphenol Extract Inhibits FAK/Src/PI3K Complex and Related Signaling To Regulate the Migration in A7r5 Cells. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:3860-3869. [PMID: 29606008 DOI: 10.1021/acs.jafc.8b00958] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Atherosclerosis is characterized by the buildup of plaque inside arteries. Our recent studies demonstrated that polyphenolic natural products can reduce oxidative stress, inflammation, angiogenesis, hyperlipidemia, and hyperglycemia. A previous study also showed that mulberry water extract (MWE) can inhibit atherosclerosis and contains considerable amounts of polyphenols. Therefore, in the present study, we investigated whether mulberry polyphenol extract (MPE) containing high levels of polyphenolic compounds could affect vascular smooth muscle cell (VSMC; A7r5 cell) motility. We found that MPE inhibited expression of FAK, Src, PI3K, Akt, c-Raf, and suppressed FAK/Src/PI3K interaction. Further investigations showed that MPE reduced expression of small GTPases (RhoA, Cdc42, and Rac1) to affect F-actin cytoskeleton rearrangement, down-regulated expression of MMP2 and vascular endothelial growth factor (VEGF) mRNA through NFκB signaling, and thereby inhibited A7r5 cell migration. Taken together, these findings highlight MPE inhibited migration in VSMC through FAK/Src/PI3K signaling pathway.
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Orange juice affects acylcarnitine metabolism in healthy volunteers as revealed by a mass-spectrometry based metabolomics approach. Food Res Int 2018; 107:346-352. [PMID: 29580494 DOI: 10.1016/j.foodres.2018.02.046] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/30/2017] [Revised: 02/08/2018] [Accepted: 02/17/2018] [Indexed: 12/19/2022]
Abstract
Citrus juices, especially orange juice, constitute rich sources of bioactive compounds with a wide range of health-promoting activities. Data from epidemiological and in vitro studies suggest that orange juice (OJ) may have a positive impact on lipid metabolism. However, the effect of orange juice intake on blood lipid profile is still poorly understood. We have used two different blood samples, Dried Blood Spots (DBS) and plasma, to assess the effect of two-week orange juice consumption in healthy volunteers by a mass-spectrometry based metabolomics approach. DBS were analysed by liquid chromatography mass spectrometry (LC-MS) and plasma samples were analysed by the gas chromatography mass spectrometry (GC-MS). One hundred sixty-nine lipids including acylcarnitines (AC), lysophosphatidylcholines (LysoPC), (diacyl- and acyl-alkyl-) phosphatidylcholines (PC aa and PC ae) and sphingomyelins (SM) were identified and quantified in DBS. Eighteen fatty acids were identified and quantified in plasma. Multivariate analysis allowed to identify an increase in C3:1, C5-DC(C6-OH), C5-M-DC, C5:1-DC, C8, C12-DC, lysoPC18:3, myristic acid, pentadecanoic acid, palmitoleic and palmitic acid and a decrease in nervonic acid, C0, C2, C10, C10:1, C16:1, C16-OH, C16:1-OH, C18-OH, PC aa C40:4, PC ae C38:4, PC ae C42:3, PC ae C42:4 and cholesterol levels after orange juice intake. A two-week period of orange juice intake could affect fatty acids β-oxidation through mitochondrial and peroxisomal pathways, leading to an increase of short-chain acylcarnitines and a decrease of medium and long-chain acylcarnitines. This is the first report analyzing the effect of orange juice intake in healthy volunteers using a dried blood spot-based metabolomics approach.
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Do flavanols-rich natural products relieve obesity-related insulin resistance? Food Chem Toxicol 2017; 112:157-167. [PMID: 29288757 DOI: 10.1016/j.fct.2017.12.055] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2017] [Revised: 12/22/2017] [Accepted: 12/23/2017] [Indexed: 12/28/2022]
Abstract
Growing evidence support that insulin resistance may occur as a severe problem due to chronic energetic overfeeding and subsequent obesity. When an abundance of glucose and saturated fat enter the cell, impaired blood flow, hypoxia, inflammation and macrophage infiltration in obese adipose tissue may induce oxidative stress and insulin resistance. Excessive circulating saturated fatty acids ectopically accumulate in insulin-sensitive tissues and impair insulin action. In this context, excessive hepatic lipid accumulation may play a central, pathogenic role in insulin resistance. It is thought that dietary polyphenols may ameliorate obesity-related insulin resistance by attenuating inflammatory responses and oxidative stress. The most often occurring natural polyphenolic compounds are flavonoids. In this review, the possible mechanistic effect of flavonoid-rich natural products on insulin resistance-related metabolic pathways is discussed. Polyphenol intake can prevent high-fat-diet-induced insulin resistance via cell surface G protein-coupled estrogen receptors by upregulating the expression of related genes, and their pathways, which are responsible for the insulin sensitivity.
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Ciriminna R, Fidalgo A, Delisi R, Tamburino A, Carnaroglio D, Cravotto G, Ilharco LM, Pagliaro M. Controlling the Degree of Esterification of Citrus Pectin for Demanding Applications by Selection of the Source. ACS OMEGA 2017; 2:7991-7995. [PMID: 30023570 PMCID: PMC6044687 DOI: 10.1021/acsomega.7b01109] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/01/2017] [Accepted: 11/03/2017] [Indexed: 05/15/2023]
Abstract
Analyzed by a quantitative method based on diffuse reflectance infrared Fourier transform spectroscopy, pectins extracted from different regions (outer skin, peel, and waste) of citrus fruits (red orange, lemon, and grapefruit) via microwave-assisted hydrodiffusion show significant variations. All polymers obtained are low-methoxyl pectins, with high contents in galacturonic acid regions. The degree of esterification (DE) of pectin extracted from different regions increases in the order waste < peel < outer skin for red orange, inverting for lemon. Thus, the pectins with the lowest DE are those extracted from red orange waste and lemon outer skin (∼25%). These findings open the route to nutraceutical- and pharmaceutical-grade pectins from citrus, in which the source fruit and its regions may be chosen, according to the desired DE.
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Affiliation(s)
- Rosaria Ciriminna
- Istituto
per lo Studio dei Materiali Nanostrutturati, CNR, via U. La Malfa 153, 90146 Palermo, Italy
| | - Alexandra Fidalgo
- Centro
de Química-Física Molecular and IN-Institute of Nanoscience
and Nanotechnology, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal
| | - Riccardo Delisi
- Istituto
per lo Studio dei Materiali Nanostrutturati, CNR, via U. La Malfa 153, 90146 Palermo, Italy
| | - Alfredo Tamburino
- Dipartimento
Agricoltura, Legambiente Sicilia, via Tripoli 3, 90138 Palermo, Italy
| | - Diego Carnaroglio
- Dipartimento
di Scienza e Tecnologia del Farmaco and Centre for Nanostructured
Interfaces and Surfaces, Università
degli Studi di Torino, via P. Giuria 9, 10125 Torino, Italy
- Milestone, via Fabenefratelli, 1-5, 24010 Sorisole, Bergamo, Italy
| | - Giancarlo Cravotto
- Dipartimento
di Scienza e Tecnologia del Farmaco and Centre for Nanostructured
Interfaces and Surfaces, Università
degli Studi di Torino, via P. Giuria 9, 10125 Torino, Italy
| | - Laura M. Ilharco
- Centro
de Química-Física Molecular and IN-Institute of Nanoscience
and Nanotechnology, Instituto Superior Técnico, Universidade de Lisboa, Av. Rovisco Pais 1, 1049-001 Lisboa, Portugal
- E-mail: (L.M.I.)
| | - Mario Pagliaro
- Istituto
per lo Studio dei Materiali Nanostrutturati, CNR, via U. La Malfa 153, 90146 Palermo, Italy
- E-mail: (M.P.)
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Quifer-Rada P, Chiva-Blanch G, Jáuregui O, Estruch R, Lamuela-Raventós RM. A discovery-driven approach to elucidate urinary metabolome changes after a regular and moderate consumption of beer and nonalcoholic beer in subjects at high cardiovascular risk. Mol Nutr Food Res 2017; 61. [PMID: 28608394 DOI: 10.1002/mnfr.201600980] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2016] [Revised: 05/24/2017] [Accepted: 05/30/2017] [Indexed: 01/15/2023]
Abstract
SCOPE The aim of this work was to study the urinary metabolomics changes of participants that consumed beer, nonalcoholic beer (na-beer), and gin. METHODS AND RESULTS Thirty-three males at high cardiovascular risk between 55 and 75 years old participated in an open, randomized, crossover, controlled trial with three nutritional interventions consisting of beer, na-beer, and gin for 4 wk. Diet and physical activity was monitored throughout the study and compliance was assessed by measurement of urinary isoxanthohumol. Metabolomic analysis was performed in urine samples by LC coupled to an LTQ-Orbitrap mass spectrometer combined with univariate and multivariate statistical analysis. Ten metabolites were identified. Eight were exogenous metabolites related to beer, na-beer, or gin consumption, but two of them were related to endogenic changes: hydroxyadipic acid linked to fatty acid oxidation, and 4-guanidinobutanoic acid, which correlated with a decrease in urinary creatinine. Plasmatic acylcarnitines were quantified by targeted MS. A regular and moderate consumption of beer and na-beer decreased stearoylcarnitine concentrations. CONCLUSION Humulinone and 2,3-dihydroxy-3-methylvaleric acid showed to be potential biomarkers of beer and na-beer consumption. Moreover, the results of this trial provide new evidence that the nonalcoholic fraction of beer may increase fatty oxidation.
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Affiliation(s)
- Paola Quifer-Rada
- Department of Nutrition, Food Science and Gastronomy-XARTA-INSA-UB, School of Pharmacy and Food Science, University of Barcelona, Barcelona, Spain.,CIBEROBN del Instituto de Salud Carlos III, ISCIII, Madrid, Spain
| | - Gemma Chiva-Blanch
- Department of Internal Medicine, Hospital Clinic, Institute of Biomedical Investigation August Pi i Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain.,Cardiovascular Research Center (CSIC-ICCC), Barcelona, Spain.,Biomedical Research Institute Sant Pau (IIB-Sant Pau), Barcelona, Spain
| | - Olga Jáuregui
- Scientific and Technological Center of University of Barcelona (CCiTUB), Barcelona, Spain
| | - Ramon Estruch
- Department of Internal Medicine, Hospital Clinic, Institute of Biomedical Investigation August Pi i Sunyer (IDIBAPS), University of Barcelona, Barcelona, Spain
| | - Rosa M Lamuela-Raventós
- Department of Nutrition, Food Science and Gastronomy-XARTA-INSA-UB, School of Pharmacy and Food Science, University of Barcelona, Barcelona, Spain.,CIBEROBN del Instituto de Salud Carlos III, ISCIII, Madrid, Spain
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Rigano D, Sirignano C, Taglialatela-Scafati O. The potential of natural products for targeting PPAR α. Acta Pharm Sin B 2017; 7:427-438. [PMID: 28752027 PMCID: PMC5518659 DOI: 10.1016/j.apsb.2017.05.005] [Citation(s) in RCA: 102] [Impact Index Per Article: 14.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2017] [Revised: 05/10/2017] [Accepted: 05/17/2017] [Indexed: 12/13/2022] Open
Abstract
Peroxisome proliferator activated receptors (PPARs) α, -γ and -β/δ are ligand-activated transcription factors and members of the superfamily of nuclear hormone receptor. These receptors play key roles in maintaining glucose and lipid homeostasis by modulating gene expression. PPARs constitute a recognized druggable target and indeed several classes of drugs used in the treatment of metabolic disease symptoms, such as dyslipidemia (fibrates, e.g. fenofibrate and gemfibrozil) and diabetes (thiazolidinediones, e.g. rosiglitazone and pioglitazone) are ligands for the various PPAR isoforms. More precisely, antidiabetic thiazolidinediones act on PPARγ, while PPARα is the main molecular target of antidyslipidemic fibrates. Over the past few years, our understanding of the mechanism underlying the PPAR modulation of gene expression has greatly increased. This review presents a survey on terrestrial and marine natural products modulating the PPARα system with the objective of highlighting how the incredible chemodiversity of natural products can provide innovative leads for this "hot" target.
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Citrus flavanones naringenin and hesperetin improve antioxidant status and membrane lipid compositions in the liver of old-aged Wistar rats. Exp Gerontol 2016; 84:49-60. [PMID: 27587005 DOI: 10.1016/j.exger.2016.08.014] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2016] [Revised: 07/29/2016] [Accepted: 08/26/2016] [Indexed: 02/07/2023]
Abstract
This study aimed to investigate effects of citrus flavanones naringenin (NAR) and hesperetin (HES) on liver antioxidant status and membrane phospholipid composition in 24-month-old rats. NAR and HES (15mg/kg) were administrated orally to male Wistar rats, once per day, for 4weeks. Control group received either vehicle (sunflower oil) or remained intact. The results showed decreased (p<0.05) activity of antioxidant enzymes (AOE), specifically catalase (CAT), superoxide dismutase (SOD) 1 and glutathione reductase (GR) in the liver of intact control old-aged rats in comparison to young intact controls. Flavanone administration to old-aged males increased (p<0.05) examined AOE activities in comparison to vehicle-administered animals. Namely, NAR was more potent in comparison to HES regarding the increase (p<0.05) in activities of examined antioxidant enzymes (SOD 1 and 2, glutathione peroxidase-GPx and GR) and the liver glutathione (GSH), while HES elevated (p<0.05) only activity of CAT and GR. Both flavanones significantly decreased (p<0.05) TBARS and improved (p<0.05) membrane phospholipid composition in favor of n-3 PUFA and n-6/n-3 PUFA ratio. Both flavanones did not affect liver histology and reduced (p<0.05) alanine aminotransferase and aspartate aminotransferase levels in serum. The results of this study indicate beneficial potential of citrus flavanones in the old-aged rat liver.
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Rana S, Kumar S, Rathore N, Padwad Y, Bhushana S. Nutrigenomics and its Impact on Life Style Associated Metabolic Diseases. Curr Genomics 2016; 17:261-78. [PMID: 27252592 PMCID: PMC4869012 DOI: 10.2174/1389202917666160202220422] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2015] [Revised: 06/18/2015] [Accepted: 06/22/2015] [Indexed: 02/07/2023] Open
Abstract
Post-human genome revelation observes the emergence of 'Nutigenomics' as one of the exciting scientific advancement influencing mankind around the world. Food or more precisely 'nutrition' has the major impact in defining the cause-response interaction between nutrient (diet) and human health. In addition to substantial understanding of nutrition-human-health interaction, bases of 'nutrigenomic' development foster on advent in transcriptomics, genomics, proteomics and metabolomics as well as insight into food as health supplement. Interaction of selected nutrient with associated genes in specific organ or tissue necessary to comprehend that how individual's genetic makeup (DNA transcribed into mRNA and then to proteins) respond to particular nutrient. It provided new opportunities to incorporate natural bioactive compounds into food for specific group of people with similar genotype. As inception of diabetes associated with change in gene expression of, not limited to, protein kinase B, insulin receptor, duodenal homeobox and glucokinase, thus, targeting such proteins by modifying or improving the nutritional availability or uptake may help to devise novel food, supplements, or nutraceuticals. In this article, various aspects of R&D in nutrigenomics are reviewed to ascertain its impact on human health, especially with life-style associated diseases.
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Affiliation(s)
- Shalika Rana
- Department of Biotechnology, CSIR-Institute of Himalayan Bioresource Technology, Palampur 176 061 (HP), India
- Academy of Scientific and Innovative Research, CSIR-Institute of Himalayan Bioresource Technology,
Palampur176 061 (HP), India
| | - Shiv Kumar
- Pharmacology and Toxicology Lab, Department of Food Nutraceuticals and Quality
Control, CSIR-Institute of Himalayan Bioresource Technology, Palampur 176 061 (HP), India
- Academy of Scientific and Innovative Research, CSIR-Institute of Himalayan Bioresource Technology,
Palampur176 061 (HP), India
| | - Nikita Rathore
- Department of Biotechnology, CSIR-Institute of Himalayan Bioresource Technology, Palampur 176 061 (HP), India
| | - Yogendra Padwad
- Pharmacology and Toxicology Lab, Department of Food Nutraceuticals and Quality
Control, CSIR-Institute of Himalayan Bioresource Technology, Palampur 176 061 (HP), India
- Academy of Scientific and Innovative Research, CSIR-Institute of Himalayan Bioresource Technology,
Palampur176 061 (HP), India
| | - Shashi Bhushana
- Department of Biotechnology, CSIR-Institute of Himalayan Bioresource Technology, Palampur 176 061 (HP), India
- Academy of Scientific and Innovative Research, CSIR-Institute of Himalayan Bioresource Technology,
Palampur176 061 (HP), India
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Mulvihill EE, Burke AC, Huff MW. Citrus Flavonoids as Regulators of Lipoprotein Metabolism and Atherosclerosis. Annu Rev Nutr 2016; 36:275-99. [PMID: 27146015 DOI: 10.1146/annurev-nutr-071715-050718] [Citation(s) in RCA: 149] [Impact Index Per Article: 18.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Citrus flavonoids are polyphenolic compounds with significant biological properties. This review summarizes recent advances in understanding the ability of citrus flavonoids to modulate lipid metabolism, other metabolic parameters related to the metabolic syndrome, and atherosclerosis. Citrus flavonoids, including naringenin, hesperitin, nobiletin, and tangeretin, have emerged as potential therapeutics for the treatment of metabolic dysregulation. Epidemiological studies reveal an association between the intake of citrus flavonoid-containing foods and a decreased incidence of cardiovascular disease. Studies in cell culture and animal models, as well as a limited number of clinical studies, reveal the lipid-lowering, insulin-sensitizing, antihypertensive, and anti-inflammatory properties of citrus flavonoids. In animal models, supplementation of rodent diets with citrus flavonoids prevents hepatic steatosis, dyslipidemia, and insulin resistance primarily through inhibition of hepatic fatty acid synthesis and increased fatty acid oxidation. Citrus flavonoids blunt the inflammatory response in metabolically important tissues including liver, adipose, kidney, and the aorta. The mechanisms underlying flavonoid-induced metabolic regulation have not been completely established, although several potential targets have been identified. In mouse models, citrus flavonoids show marked suppression of atherogenesis through improved metabolic parameters as well as through direct impact on the vessel wall. Recent studies support a role for citrus flavonoids in the treatment of dyslipidemia, insulin resistance, hepatic steatosis, obesity, and atherosclerosis. Larger human studies examining dose, bioavailability, efficacy, and safety are required to promote the development of these promising therapeutic agents.
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Affiliation(s)
- Erin E Mulvihill
- Department of Biochemistry, University of Western Ontario, London, ON, Canada N6A 5B7; ; .,Current address: Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, ON, Canada M5T 3L9;
| | - Amy C Burke
- Department of Biochemistry, University of Western Ontario, London, ON, Canada N6A 5B7; ;
| | - Murray W Huff
- Department of Biochemistry, University of Western Ontario, London, ON, Canada N6A 5B7; ; .,Department of Medicine, Robarts Research Institute, University of Western Ontario, London, ON, Canada N6A 5B7
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Uckoo RM, Jayaprakasha G, Patil BS. Phytochemical analysis of organic and conventionally cultivated Meyer lemons (Citrus meyeri Tan.) during refrigerated storage. J Food Compost Anal 2015. [DOI: 10.1016/j.jfca.2015.01.009] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/23/2023]
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41
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Gamboa-Gómez CI, Rocha-Guzmán NE, Gallegos-Infante JA, Moreno-Jiménez MR, Vázquez-Cabral BD, González-Laredo RF. Plants with potential use on obesity and its complications. EXCLI JOURNAL 2015; 14:809-31. [PMID: 26869866 PMCID: PMC4746997 DOI: 10.17179/excli2015-186] [Citation(s) in RCA: 28] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Subscribe] [Scholar Register] [Received: 02/11/2015] [Accepted: 06/16/2015] [Indexed: 01/07/2023]
Abstract
Obesity is the most prevalent nutritional disease and a growing public health problem worldwide. This disease is a causal component of the metabolic syndrome related with abnormalities, including hyperglycemia, dyslipidemia, hypertension, inflammation, among others. There are anti-obesity drugs, affecting the fundamental processes of the weight regulation; however they have shown serious side effects, which outweigh their beneficial effects. Most recent studies on the treatment of obesity and its complications have focused on the potential role of different plants preparation that can exert a positive effect on the mechanisms involved in this pathology. For instance, anti-obesity effects of green tea and its isolated active principles have been reported in both in vitro (cell cultures) and in vivo (animal models) that possess healthy effects, decreasing adipose tissue through reduction of adipocytes differentiation and proliferation. A positive effect in lipid profile, and lipid and carbohydrates metabolisms were demonstrated as well. In addition, anti-inflammatory and antioxidant activities were studied. However, the consumption of green tea and its products is not that common in Western countries, where other plants with similar bioactivity predominate; nevertheless, the effect extension has not been analyzed in depth, despite of their potential as alternative treatment for obesity. In this review the anti-obesity potential and reported mechanisms of action of diverse plants such as: Camellia sinensis, Hibiscus sabdariffa, Hypericum perforatum, Persea americana, Phaseolus vulgaris, Capsicum annuum, Rosmarinus officinalis, Ilex paraguariensis, Citrus paradisi, Citrus limon, Punica granatum, Aloe vera, Taraxacum officinale and Arachis hypogaea is summarized. We consider the potential of these plants as natural alternative treatments of some metabolic alterations associated with obesity.
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Affiliation(s)
| | - Nuria E. Rocha-Guzmán
- Instituto Tecnológico de Durango, Felipe Pescador 1830 Ote., 34080 Durango, Dgo., México
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Sarnoski PJ. EFFECT OF SOLVENT ON AFLATOXIN CONTENT IN EXTRACTS OF VIRGINIA TYPE PEANUT SKINS. ACTA ACUST UNITED AC 2015. [DOI: 10.3153/jfhs15007] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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43
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Nakajima VM, Macedo GA, Macedo JA. Citrus bioactive phenolics: Role in the obesity treatment. Lebensm Wiss Technol 2014. [DOI: 10.1016/j.lwt.2014.02.060] [Citation(s) in RCA: 49] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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Alam MA, Subhan N, Rahman MM, Uddin SJ, Reza HM, Sarker SD. Effect of citrus flavonoids, naringin and naringenin, on metabolic syndrome and their mechanisms of action. Adv Nutr 2014; 5:404-17. [PMID: 25022990 PMCID: PMC4085189 DOI: 10.3945/an.113.005603] [Citation(s) in RCA: 417] [Impact Index Per Article: 41.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Flavonoids are important natural compounds with diverse biologic activities. Citrus flavonoids constitute an important series of flavonoids. Naringin and its aglycone naringenin belong to this series of flavonoids and were found to display strong anti-inflammatory and antioxidant activities. Several lines of investigation suggest that naringin supplementation is beneficial for the treatment of obesity, diabetes, hypertension, and metabolic syndrome. A number of molecular mechanisms underlying its beneficial activities have been elucidated. However, their effect on obesity and metabolic disorder remains to be fully established. Moreover, the therapeutic uses of these flavonoids are significantly limited by the lack of adequate clinical evidence. This review aims to explore the biologic activities of these compounds, particularly on lipid metabolism in obesity, oxidative stress, and inflammation in context of metabolic syndrome.
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Affiliation(s)
- M Ashraful Alam
- School of Biomedical Sciences, The University of Queensland, Brisbane Australia Department of Pharmaceutical Sciences, North South University, Dhaka, Bangladesh
| | - Nusrat Subhan
- School of Biomedical Sciences, Charles Sturt University, Wagga Wagga, Australia
| | - M Mahbubur Rahman
- Department of Pharmaceutical Sciences, North South University, Dhaka, Bangladesh
| | - Shaikh J Uddin
- Pharmacy Discipline, Khulna University, Khulna, Bangladesh; and
| | - Hasan M Reza
- Department of Pharmaceutical Sciences, North South University, Dhaka, Bangladesh
| | - Satyajit D Sarker
- School of Pharmacy and Biomolecular Sciences, Faculty of Sciences, Liverpool John Moores University, Liverpool, UK
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Kwon SM, Park HG, Jun JK, Lee WL. Exercise, but not quercetin, ameliorates inflammation, mitochondrial biogenesis, and lipid metabolism in skeletal muscle after strenuous exercise by high-fat diet mice. J Exerc Nutrition Biochem 2014; 18:51-60. [PMID: 25566439 PMCID: PMC4241935 DOI: 10.5717/jenb.2014.18.1.51] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2014] [Revised: 02/14/2014] [Accepted: 02/26/2014] [Indexed: 01/08/2023] Open
Abstract
[Purpose] The purpose of this study was to investigate whether moderate exercise and quercetin intake with a low fat diet contribute to inflammatory cytokine production, mitochondrial biogenesis, and lipid metabolism in skeletal muscle after strenuous exercise by high-fat diet mice. [Methods] Male C57BL/6 mice were randomly divided into four groups: (1) High-fat for 12 weeks and low-fat diet control (C; n = 6); (2) high-fat diet for 12 weeks and low-fat diet with quercetin (Q; n = 4); (3) high-fat diet for 12 weeks and low-fat diet with exercise (E; n = 4); or (4) high-fat diet for 12 weeks and low-fat diet with exercise and quercetin (EQ; n = 5). Quercetin (10 mg/kg) was administered once per day, 5 day/week for 8 weeks. Exercise training was performed at moderate intensity for 8 weeks, 5 days/week for 30–60 min/day. Mice were subjected to a strenuous exercise bout of 60 min at a speed of 25 m/min (VO2 max 85%) conducted as an exercise-induced fatigue just before sacrifice. [Results] As results, body weights were significantly different among the groups. Exercise training significantly reduced inflammatory cytokines after strenuous exercise in skeletal muscle of high-fat diet mice. Exercise training increased Tfam mRNA in the soleus muscle after strenuous exercise. Exercise training significantly decreased lipogenesis markers in skeletal muscle of obese mice after strenuous exercise. Moderate exercise significantly increased lipolysis markers in the tibialis anterior muscle. [Conclusion] These findings suggest that exercise training reduced inflammatory cytokine levels and improved mitochondrial biogenesis and lipid metabolism. However quercetin supplementation did not affect these parameters. Thus, long-term moderate exercise training has positive effects on obesity.
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Affiliation(s)
- Soon Mi Kwon
- Department of Sports Science, Chungnam National University, Daejeon, Korea
| | - Hee Geun Park
- Department of Sports Science, Chungnam National University, Daejeon, Korea
| | - Jong Kui Jun
- Department of Sports Science, Chungnam National University, Daejeon, Korea
| | - Wang Lok Lee
- Department of Sports Science, Chungnam National University, Daejeon, Korea
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Influence of virgin coconut oil-enriched diet on the transcriptional regulation of fatty acid synthesis and oxidation in rats - a comparative study. Br J Nutr 2014; 111:1782-90. [PMID: 24513138 DOI: 10.1017/s000711451400004x] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
The present study was carried out to evaluate the effects of virgin coconut oil (VCO) compared with copra oil, olive oil and sunflower-seed oil on the synthesis and oxidation of fatty acids and the molecular regulation of fatty acid metabolism in normal rats. Male Sprague-Dawley rats were fed the test oils at 8 % for 45 d along with a synthetic diet. Dietary supplementation of VCO decreased tissue lipid levels and reduced the activity of the enzymes involved in lipogenesis, namely acyl CoA carboxylase and fatty acid synthase (FAS) (P< 0·05). Moreover, VCO significantly (P< 0·05) reduced the de novo synthesis of fatty acids by down-regulating the mRNA expression of FAS and its transcription factor, sterol regulatory element-binding protein-1c, compared with the other oils. VCO significantly (P< 0·05) increased the mitochondrial and peroxisomal β-oxidation of fatty acids, which was evident from the increased activities of carnitine palmitoyl transferase I, acyl CoA oxidase and the enzymes involved in mitochondrial β-oxidation; this was accomplished by up-regulating the mRNA expression of PPARα and its target genes involved in fatty acid oxidation. In conclusion, the present results confirmed that supplementation of VCO has beneficial effects on lipid parameters by reducing lipogenesis and enhancing the rate of fatty acid catabolism; this effect was mediated at least in part via PPARα-dependent pathways. Thus, dietary VCO reduces the risk for CHD by beneficially modulating the synthesis and degradation of fatty acids.
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Eriocitrin ameliorates diet-induced hepatic steatosis with activation of mitochondrial biogenesis. Sci Rep 2014; 4:3708. [PMID: 24424211 PMCID: PMC3892443 DOI: 10.1038/srep03708] [Citation(s) in RCA: 71] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2013] [Accepted: 12/10/2013] [Indexed: 02/06/2023] Open
Abstract
Lemon (Citrus limon) contains various bioactive flavonoids, and prevents obesity and obesity-associated metabolic diseases. We focused on eriocitrin (eriodictyol 7-rutinoside), a powerful antioxidative flavonoid in lemon with lipid-lowering effects in a rat model of high-fat diet. To investigate the mechanism of action of eriocitrin, we conducted feeding experiments on zebrafish with diet-induced obesity. Oral administration of eriocitrin (32 mg/kg/day for 28 days) improved dyslipidaemia and decreased lipid droplets in the liver. DNA microarray analysis revealed that eriocitrin increased mRNA of mitochondrial biogenesis genes, such as mitochondria transcription factor, nuclear respiratory factor 1, cytochrome c oxidase subunit 4, and ATP synthase. In HepG2 cells, eriocitrin also induced the corresponding orthologues, and reduced lipid accumulation under conditions of lipid loading. Eriocitrin increased mitochondrial size and mtDNA content, which resulted in ATP production in HepG2 cells and zebrafish. In summary, dietary eriocitrin ameliorates diet-induced hepatic steatosis with activation of mitochondrial biogenesis.
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Halder D, Das ND, Jung KH, Choi MR, Kim MS, Lee SR, Chai YG. Cyclodextrin-Clathrated Limonin Suppresses Diet-Induced Obesity in Mice. J Food Biochem 2013. [DOI: 10.1111/jfbc.12040] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022]
Affiliation(s)
- Debasish Halder
- Division of Molecular and Life Sciences; Hanyang University; Ansan 426-791 Korea
| | - Nando Dulal Das
- Division of Molecular and Life Sciences; Hanyang University; Ansan 426-791 Korea
| | - Kyoung Hwa Jung
- Division of Molecular and Life Sciences; Hanyang University; Ansan 426-791 Korea
| | - Mi Ran Choi
- Division of Molecular and Life Sciences; Hanyang University; Ansan 426-791 Korea
| | | | | | - Young Gyu Chai
- Division of Molecular and Life Sciences; Hanyang University; Ansan 426-791 Korea
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Daimiel L, Vargas T, Ramírez de Molina A. Nutritional genomics for the characterization of the effect of bioactive molecules in lipid metabolism and related pathways. Electrophoresis 2012; 33:2266-89. [PMID: 22887150 DOI: 10.1002/elps.201200084] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
Cardiovascular disease and cancer are the main causes of morbidity and mortality worldwide. Thus, investigators have focused their efforts on gaining insight into understanding the mechanisms involved in the development and evolution of these diseases. In the past decade, and with the contribution of the -omics technologies, strong evidence has supported an essential role of gene-nutrient interactions in these processes, pointing at natural bioactive molecules as promising complementary agents that are useful in preventing or mitigating these diseases. In addition, alterations in lipid metabolism have recently gained strong interest since they have been described as a common event required for the progression of both diseases. In the present review, we give an overview of lipid metabolism, mainly focusing on lipoprotein metabolism and the mechanisms controlling lipid homeostasis. In addition, we review the modulation of lipid metabolism by bioactive molecules, highlighting their potential use as therapeutic agents in preventing, and treating chronic diseases such as cardiovascular disease and cancer. Finally, we report the usefulness of the -omics technologies in nutritional research, focusing on recent findings, within nutritional genomics, in the interaction of bioactive components from foods with several genes that are involved in the development and progression of these diseases.
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Xie XL, Wei M, Yunoki T, Kakehashi A, Yamano S, Kato M, Wanibuchi H. Long-term treatment with L-isoleucine or L-leucine in AIN-93G diet has promoting effects on rat bladder carcinogenesis. Food Chem Toxicol 2012; 50:3934-40. [PMID: 22889894 DOI: 10.1016/j.fct.2012.07.063] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/09/2012] [Revised: 07/25/2012] [Accepted: 07/27/2012] [Indexed: 02/02/2023]
Abstract
In the present study, effects of L-leucine and L-isoleucine on rat bladder carcinogenesis were investigated using AIN-93G and MF basal diet. In Experiment 1, N-butyl-N-(4-hydroxybutyl)-nitrosamine was used as an initiator of bladder carcinogenesis. In the AIN-93G diet groups, a significantly higher incidence and multiplicity of bladder tumors, accompanied by decreased final body weight, was observed in the L-leucine-supplemented group and a significantly higher incidence of papillomas and total tumors was observed in the L-isoleucine-supplemented group. In the MF diet groups, the multiplicity of papillary and nodular hyperplasia was significantly increased in the L-isoleucine-supplemented group. Urinary pH values were not affected by supplementing either type of diet with L-leucine or L-isoleucine. In Experiment 2, the amino acid was administered in the basal diets for 2 weeks without initiator. No pathological lesions were observed in the bladder urothelium in any of the groups, and no significant differences in urinary pH values, microcrystals or aggregates were observed between the amino acid-supplemented groups and their respective control groups. In conclusion, long-term treatment with L-leucine or L-isoleucine has a promoting effect on rat bladder carcinogenesis; therefore, their long-term use as a dietary supplement for bladder cancer patients should be avoided until more is known.
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Affiliation(s)
- Xiao-Li Xie
- Department of Pathology, Osaka City University Graduate School of Medicine, Asahi-machi 1-4-3, Abeno-ku, 545-8585 Osaka, Japan
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