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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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Aslan MN, Sukan-Karaçağıl B, Acar-Tek N. Roles of citrus fruits on energy expenditure, body weight management, and metabolic biomarkers: a comprehensive review. Nutr Rev 2023:nuad116. [PMID: 37702528 DOI: 10.1093/nutrit/nuad116] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/14/2023] Open
Abstract
Citrus fruits are widely consumed for their nutritional and health benefits. They belong to the Rutaceae and have many varieties, such as sweet orange (Citrus sinensis), which is the most popular. Citrus fruits are rich in water (>80%), dietary fiber, and vitamins. They also contain bioactive components, which may modulate energy metabolism and lipid oxidation through various mechanisms. These mechanisms include stimulating β3-adrenergic receptors, increasing mitochondrial biogenesis and thermogenesis, activating AMP kinase and peroxisome proliferator-activated receptor-gamma coactivator-1α pathways, inhibiting lipogenesis and lipid accumulation, and inducing browning of white adipose tissue. This review summarizes the mechanisms and outcomes of citrus fruits and their metabolites on energy metabolism and body weight in different experimental models. The literature was searched for in vitro and in vivo animal and human studies that investigated the effects of citrus consumption on energy expenditure, thermogenesis, adipogenesis, and lipid accumulation. Citrus fruits and their metabolites have shown promising effects on energy metabolism and lipid oxidation in in vitro and in vivo animal studies. However, the evidence from human studies is limited and inconsistent. Possible reasons for the discrepancy are briefly discussed, and knowledge gaps and research needs are identified for future studies. Citrus fruits may have beneficial effects on energy metabolism and body weight, but more rigorous and well-designed human trials are needed to confirm their efficacy and safety.
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Affiliation(s)
- Merve Nur Aslan
- Faculty of Health Sciences, Department of Nutrition and Dietetics, Bolu Abant Izzet Baysal University, Bolu, Turkey
- Department of Nutrition and Dietetics, Institute of Health Sciences, Gazi University, Ankara, Turkey
| | - Betül Sukan-Karaçağıl
- Department of Nutrition and Dietetics, Institute of Health Sciences, Gazi University, Ankara, Turkey
| | - Nilüfer Acar-Tek
- Faculty of Health Sciences, Department of Nutrition and Dietetics, Gazi University, Ankara, Turkey
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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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Yarhosseini F, Darand M, Sangsefidi ZS, Mozaffari‐Khosravi H, Hosseinzadeh M. Does anthocyanins consumption affect weight and body composition? A systematic review and meta-analysis of randomized controlled trials. Obes Sci Pract 2023; 9:42-58. [PMID: 36789026 PMCID: PMC9913187 DOI: 10.1002/osp4.651] [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: 04/05/2022] [Revised: 11/28/2022] [Accepted: 12/11/2022] [Indexed: 12/24/2022] Open
Abstract
Background and Aims Anthocyanins (ACNs) are water-soluble plant pigments belong to flavonoids with beneficial effects on health and disease prevention. Some studies have examined the effect of ACNs on anthropometric and body composition indices, but the findings were inconsistent. This systematic review and meta-analysis aimed to investigate the effect of ACNs and sources rich in anthocyanins on body mass index (BMI), body weight (BW), waist circumference (WC), hip circumference (HC), waist-hip ratio (WHR), percentage of fat mass (PFM) and fat free mass (FFM). Methods PubMed, Web of Science, Scopus, and Google Scholar were searched with no limitation until May 2021 to find relevant randomized controlled clinical trials (RCT). The risk of bias was assessed utilizing Cochrane collaboration's tool. Weighted mean differences (WMD) and 95% confidence intervals (CIs) were obtained using a random effects model. Results A total of 31 RCTs (with 0.77-640 mg/day of ACNs supplementation for 28-90 days) with 1438 participants were included. No significant effect was found in BMI, WC, HC, WHR, PFM and FFM after ACNs consumption. Conclusions The results showed that ACNs did not significantly affect anthropometric and body composition parameters. Further high-quality RCTs are required to validate these findings.
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Affiliation(s)
- Faezeh Yarhosseini
- Nutrition and Food Security Research CenterShahid Sadoughi University of Medical SciencesYazdIran,Department of NutritionSchool of Public HealthShahid Sadoughi University of Medical SciencesYazdIran
| | - Mina Darand
- Department of Clinical NutritionSchool of Nutrition and Food ScienceFood Security Research CenterIsfahan University of Medical SciencesIsfahanIran
| | - Zohreh Sadat Sangsefidi
- Department of NutritionSchool of Public HealthNorth Khorasan University of Medical SciencesBojnurdIran
| | - Hassan Mozaffari‐Khosravi
- Nutrition and Food Security Research CenterShahid Sadoughi University of Medical SciencesYazdIran,Department of NutritionSchool of Public HealthShahid Sadoughi University of Medical SciencesYazdIran
| | - Mahdieh Hosseinzadeh
- Nutrition and Food Security Research CenterShahid Sadoughi University of Medical SciencesYazdIran,Department of NutritionSchool of Public HealthShahid Sadoughi University of Medical SciencesYazdIran
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Rahn C, Bakuradze T, Stegmüller S, Galan J, Niesen S, Winterhalter P, Richling E. Polyphenol-Rich Beverage Consumption Affecting Parameters of the Lipid Metabolism in Healthy Subjects. Int J Mol Sci 2023; 24:ijms24010841. [PMID: 36614281 PMCID: PMC9821765 DOI: 10.3390/ijms24010841] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2022] [Revised: 12/21/2022] [Accepted: 12/21/2022] [Indexed: 01/05/2023] Open
Abstract
Polyphenols are a diverse and widely distributed class of secondary metabolites, which possess numerous beneficial properties including a modulation of glucose and lipid metabolism. This placebo-controlled human intervention study was performed to explore effects of polyphenol-rich beverage (PRB) uptake on lipid metabolism, as well as DNA integrity. In this case, 36 healthy men were randomly divided to consume either 750 mL of a PRB (containing 51% chokeberry, cranberry, and pomegranate) or a placebo drink daily for eight weeks. Only PRB consumption was found to decrease fat and protein intakes significantly compared to the preceding one-week washout period. During the intervention with PRB an increased fat-free mass was shown after four weeks, whereas a significant elevation in body weight and leptin was observed in placebo group. Blood lipids were not significantly altered after PRB consumption, while triglyceride levels increased after placebo drink intake. In platelets, a significant inhibition of phosphodiesterase (PDE) activity was observed, more pronounced in test group. Consuming the PRB decreased total DNA strand breaks in whole blood as well as H2O2-induced breaks in isolated lymphocytes. Overall, our study suggested beneficial effects on lipid metabolism by reduced energy intake, modulation of biomarkers such as PDE activity and improved DNA integrity associated with PRB consumption.
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Affiliation(s)
- Celina Rahn
- Division of Food Chemistry and Toxicology, Department of Chemistry, Rheinland-Pfälzische Technische Universität Kaiserslautern-Landau, Erwin-Schrödinger-Straße 52, D-67663 Kaiserslautern, Germany
| | - Tamara Bakuradze
- Division of Food Chemistry and Toxicology, Department of Chemistry, Rheinland-Pfälzische Technische Universität Kaiserslautern-Landau, Erwin-Schrödinger-Straße 52, D-67663 Kaiserslautern, Germany
| | - Simone Stegmüller
- Division of Food Chemistry and Toxicology, Department of Chemistry, Rheinland-Pfälzische Technische Universität Kaiserslautern-Landau, Erwin-Schrödinger-Straße 52, D-67663 Kaiserslautern, Germany
| | - Jens Galan
- Medical Institute, Hochgewanne 19, D-67269 Grünstadt, Germany
| | - Sonja Niesen
- Institute of Food Chemistry, Technische Universität Braunschweig, Schleinitzstraße 20, D-38106 Braunschweig, Germany
| | - Peter Winterhalter
- Institute of Food Chemistry, Technische Universität Braunschweig, Schleinitzstraße 20, D-38106 Braunschweig, Germany
| | - Elke Richling
- Division of Food Chemistry and Toxicology, Department of Chemistry, Rheinland-Pfälzische Technische Universität Kaiserslautern-Landau, Erwin-Schrödinger-Straße 52, D-67663 Kaiserslautern, Germany
- Correspondence: ; Tel.: +49-631-205-4061
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Mitra S, Lami MS, Uddin TM, Das R, Islam F, Anjum J, Hossain MJ, Emran TB. Prospective multifunctional roles and pharmacological potential of dietary flavonoid narirutin. Biomed Pharmacother 2022; 150:112932. [PMID: 35413599 DOI: 10.1016/j.biopha.2022.112932] [Citation(s) in RCA: 59] [Impact Index Per Article: 29.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2022] [Revised: 03/26/2022] [Accepted: 04/05/2022] [Indexed: 12/13/2022] Open
Abstract
Plant-based phytochemicals are now being used to treat plenty of physiological diseases. Herbal drugs have gained popularity in recent years because of their strength, purity, and cheap cost-effectiveness. Citrus fruits contain significant amounts of flavanones, which falls to the category of polyphenols. Flavanones occupy a major fraction of the total polyphenols present in the plasma when orange juice is taken highly or in moderate states. Narirutin is a disaccharide derivative available in citrus fruits, primarily dihydroxy flavanone. From a pharmacological viewpoint, narirutin is a bioactive phytochemical with therapeutic efficacy. Many experimental researches were published on the use of narirutin. Anticancer activity, neuroprotection, stress relief, hepatoprotection, anti-allergic activity, antidiabetic activity, anti-adipogenic activity, anti-obesity action, and immunomodulation are a couple of the primary pharmacological properties. Narirutin also has antioxidant, and anti-inflammatory activities. The ultimate goal of this review is to provide the current scenario of pharmacological research with narirutin; to make a better understanding for therapeutic potential of narirutin, as well as its biosynthesis strategies and side effects. Extensive literature searches and studies were undertaken to determine the pharmacological properties of narirutin.
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Affiliation(s)
- Saikat Mitra
- Department of Pharmacy, Faculty of Pharmacy, University of Dhaka, Dhaka 1000, Bangladesh
| | - Mashia Subha Lami
- Department of Pharmacy, Faculty of Pharmacy, University of Dhaka, Dhaka 1000, Bangladesh
| | - Tanvir Mahtab Uddin
- Department of Pharmacy, Faculty of Pharmacy, University of Dhaka, Dhaka 1000, Bangladesh
| | - Rajib Das
- Department of Pharmacy, Faculty of Pharmacy, University of Dhaka, Dhaka 1000, Bangladesh
| | - Fahadul Islam
- Department of Pharmacy, Faculty of Allied Health Sciences, Daffodil International University, Dhaka 1207, Bangladesh
| | - Juhaer Anjum
- Department of Pharmacy, Faculty of Pharmacy, University of Dhaka, Dhaka 1000, Bangladesh
| | - Md Jamal Hossain
- Department of Pharmacy, State University of Bangladesh, 77 Satmasjid Road, Dhanmondi, Dhaka 1205, Bangladesh
| | - Talha Bin Emran
- Department of Pharmacy, BGC Trust University Bangladesh, Chittagong 4381, Bangladesh.
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A Narrative Review of the Effects of Citrus Peels and Extracts on Human Brain Health and Metabolism. Nutrients 2022; 14:nu14091847. [PMID: 35565814 PMCID: PMC9103913 DOI: 10.3390/nu14091847] [Citation(s) in RCA: 9] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2022] [Revised: 04/25/2022] [Accepted: 04/26/2022] [Indexed: 12/04/2022] Open
Abstract
As life expectancy increases, age-associated diseases such as Alzheimer's disease (AD) become a major health problem. The onset of AD involves neurological dysfunction due to amyloid-β accumulation, tau hyperphosphorylation, oxidative stress, and neuroinflammation in the brain. In addition, lifestyle-related diseases-such as dyslipidemia, diabetes, obesity, and vascular dysfunction-increase the risk of developing dementia. The world population ages, prompting the development of new strategies to maintain brain health and prevent the onset of dementia in older and preclinical patients. Citrus fruits are abundant polymethoxylated flavone and flavanone sources. Preclinical studies reported that these compounds have neuroprotective effects in models of dementia such as AD. Interestingly, clinical and epidemiological studies appear to support preclinical evidence and show improved cognitive function and reduced associated disease risk in healthy individuals and/or patients. This review summarizes the recent evidence of the beneficial effects of citrus peels and extracts on human cognition and related functions.
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Niesen S, Göttel C, Becker H, Bakuradze T, Winterhalter P, Richling E. Fractionation of Extracts from Black Chokeberry, Cranberry, and Pomegranate to Identify Compounds That Influence Lipid Metabolism. Foods 2022; 11:foods11040570. [PMID: 35206045 PMCID: PMC8871205 DOI: 10.3390/foods11040570] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 02/10/2022] [Accepted: 02/12/2022] [Indexed: 11/16/2022] Open
Abstract
Polyphenols show a spectrum of bioactive effects, including an influence on lipid metabolism. In this study, we performed activity-guided fractionations of black chokeberry (aronia), cranberry, and pomegranate extracts to identify the biologically active compounds. The extracts were prepared from fruit juice concentrates with the adsorbent resin Amberlite XAD-7 and were separated into a copigment and an anthocyanin fraction, followed by fractionation into a polymer and monomeric fraction by means of hexane precipitation. For further fractionation of the cranberry and pomegranate copigment fractions, high-performance countercurrent chromatography (HPCCC) was used. The compounds in each fraction were identified by high-performance liquid chromatography/electrospray ionization tandem mass spectrometry (HPLC-ESI-MS/MS), and the quantification was performed by ultra high-performance liquid chromatography-diode array detector (UHPLC-DAD) analyses. Each of the (sub-)fractions was tested in three in vitro assays: phosphodiesterase 3B (PDE) activity, lipid accumulation, and lipolysis in 3T3-L1 cells. The results showed that various fractions and subfractions can inhibit lipid accumulation and PDE activity as well as increase lipolysis, particularly copigments. Overall, our results indicate an influence of polyphenol-rich (sub-)fractions on the lipid metabolism.
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Affiliation(s)
- Sonja Niesen
- Institute of Food Chemistry, Technische Universität Braunschweig, Schleinitzstraße 20, D-38106 Braunschweig, Germany; (S.N.); (P.W.)
| | - Celina Göttel
- Division of Food Chemistry and Toxicology, Department of Chemistry, Technische Universität Kaiserslautern, Erwin-Schrödinger-Straße 52, D-67663 Kaiserslautern, Germany; (C.G.); (H.B.); (T.B.)
| | - Hanna Becker
- Division of Food Chemistry and Toxicology, Department of Chemistry, Technische Universität Kaiserslautern, Erwin-Schrödinger-Straße 52, D-67663 Kaiserslautern, Germany; (C.G.); (H.B.); (T.B.)
| | - Tamara Bakuradze
- Division of Food Chemistry and Toxicology, Department of Chemistry, Technische Universität Kaiserslautern, Erwin-Schrödinger-Straße 52, D-67663 Kaiserslautern, Germany; (C.G.); (H.B.); (T.B.)
| | - Peter Winterhalter
- Institute of Food Chemistry, Technische Universität Braunschweig, Schleinitzstraße 20, D-38106 Braunschweig, Germany; (S.N.); (P.W.)
| | - Elke Richling
- Division of Food Chemistry and Toxicology, Department of Chemistry, Technische Universität Kaiserslautern, Erwin-Schrödinger-Straße 52, D-67663 Kaiserslautern, Germany; (C.G.); (H.B.); (T.B.)
- Correspondence: ; Tel.: +49-631-205-4061
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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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In Vitro Inhibition of Phosphodiesterase 3B (PDE 3B) by Anthocyanin-Rich Fruit Juice Extracts and Selected Anthocyanins. Int J Mol Sci 2020; 21:ijms21186934. [PMID: 32967310 PMCID: PMC7555035 DOI: 10.3390/ijms21186934] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 09/01/2020] [Accepted: 09/10/2020] [Indexed: 12/12/2022] Open
Abstract
Phosphodiesterases (PDEs) are essential enzymes for the regulation of pathways mediated by cyclic adenosine monophosphate (cAMP). Secondary plant compounds like anthocyanins (ACs) can inhibit PDE activity and, consequently, may be beneficial for lipid metabolism. This study investigated 18 AC-rich juice extracts and pure reference compounds from red fruits for potential inhibitory effects on PDE 3B activity. Extracts were obtained through adsorption on Amberlite® XAD 7 resin. Based on this screening, the chokeberry, blueberry, pomegranate, and cranberry extracts were active, with half maximal inhibitory concentrations (IC50) ranging from 163 ± 3 µg/mL to 180 ± 3 µg/mL. The ACs in these extracts, peonidin-3-glucoside and cyanidin-3-arabinoside, were the most active single compounds (IC50 = 56 ± 20 µg/mL, 108 ± 6 µg/mL). All extracts comprised high amounts of phenolic compounds, as determined by the Folin-Ciocalteu assay, ranging from 39.8 ± 1.5 to 73.5 ± 4.8 g gallic acid equivalents (GAE)/100 g extract. Pomegranate and chokeberry extracts exhibited the largest amounts of polyphenols (72.3 ± 0.7 g GAE/100 g, 70.6 ± 4.1 g GAE/100 g, respectively). Overall, our results showed that fruit juice extracts and their ACs can inhibit PDE activity. Any potential health benefits in vivo will be investigated in the future.
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Watanabe M, Risi R, Masi D, Caputi A, Balena A, Rossini G, Tuccinardi D, Mariani S, Basciani S, Manfrini S, Gnessi L, Lubrano C. Current Evidence to Propose Different Food Supplements for Weight Loss: A Comprehensive Review. Nutrients 2020; 12:E2873. [PMID: 32962190 PMCID: PMC7551574 DOI: 10.3390/nu12092873] [Citation(s) in RCA: 27] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2020] [Revised: 09/14/2020] [Accepted: 09/18/2020] [Indexed: 02/06/2023] Open
Abstract
The use of food supplements for weight loss purposes has rapidly gained popularity as the prevalence of obesity increases. Navigating through the vast, often low quality, literature available is challenging, as is providing informed advice to those asking for it. Herein, we provide a comprehensive literature revision focusing on most currently marketed dietary supplements claimed to favor weight loss, classifying them by their purported mechanism of action. We conclude by proposing a combination of supplements most supported by current evidence, that leverages all mechanisms of action possibly leading to a synergistic effect and greater weight loss in the foreseen absence of adverse events. Further studies will be needed to confirm the weight loss and metabolic improvement that may be obtained through the use of the proposed combination.
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Affiliation(s)
- Mikiko Watanabe
- Department of Experimental Medicine, Section of Medical Pathophysiology, Food Science and Endocrinology, Sapienza University of Rome, 00161 Rome, Italy; (M.W.); (D.M.); (A.C.); (A.B.); (S.M.); (S.B.); (L.G.); (C.L.)
| | - Renata Risi
- Department of Experimental Medicine, Section of Medical Pathophysiology, Food Science and Endocrinology, Sapienza University of Rome, 00161 Rome, Italy; (M.W.); (D.M.); (A.C.); (A.B.); (S.M.); (S.B.); (L.G.); (C.L.)
| | - Davide Masi
- Department of Experimental Medicine, Section of Medical Pathophysiology, Food Science and Endocrinology, Sapienza University of Rome, 00161 Rome, Italy; (M.W.); (D.M.); (A.C.); (A.B.); (S.M.); (S.B.); (L.G.); (C.L.)
| | - Alessandra Caputi
- Department of Experimental Medicine, Section of Medical Pathophysiology, Food Science and Endocrinology, Sapienza University of Rome, 00161 Rome, Italy; (M.W.); (D.M.); (A.C.); (A.B.); (S.M.); (S.B.); (L.G.); (C.L.)
| | - Angela Balena
- Department of Experimental Medicine, Section of Medical Pathophysiology, Food Science and Endocrinology, Sapienza University of Rome, 00161 Rome, Italy; (M.W.); (D.M.); (A.C.); (A.B.); (S.M.); (S.B.); (L.G.); (C.L.)
| | - Giovanni Rossini
- Department of Endocrinology and Diabetes, University Campus Bio-Medico of Rome, 00128 Rome, Italy; (G.R.); (D.T.); (S.M.)
| | - Dario Tuccinardi
- Department of Endocrinology and Diabetes, University Campus Bio-Medico of Rome, 00128 Rome, Italy; (G.R.); (D.T.); (S.M.)
| | - Stefania Mariani
- Department of Experimental Medicine, Section of Medical Pathophysiology, Food Science and Endocrinology, Sapienza University of Rome, 00161 Rome, Italy; (M.W.); (D.M.); (A.C.); (A.B.); (S.M.); (S.B.); (L.G.); (C.L.)
| | - Sabrina Basciani
- Department of Experimental Medicine, Section of Medical Pathophysiology, Food Science and Endocrinology, Sapienza University of Rome, 00161 Rome, Italy; (M.W.); (D.M.); (A.C.); (A.B.); (S.M.); (S.B.); (L.G.); (C.L.)
| | - Silvia Manfrini
- Department of Endocrinology and Diabetes, University Campus Bio-Medico of Rome, 00128 Rome, Italy; (G.R.); (D.T.); (S.M.)
| | - Lucio Gnessi
- Department of Experimental Medicine, Section of Medical Pathophysiology, Food Science and Endocrinology, Sapienza University of Rome, 00161 Rome, Italy; (M.W.); (D.M.); (A.C.); (A.B.); (S.M.); (S.B.); (L.G.); (C.L.)
| | - Carla Lubrano
- Department of Experimental Medicine, Section of Medical Pathophysiology, Food Science and Endocrinology, Sapienza University of Rome, 00161 Rome, Italy; (M.W.); (D.M.); (A.C.); (A.B.); (S.M.); (S.B.); (L.G.); (C.L.)
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Wang X, Li D, Liu F, Cui Y, Li X. Dietary citrus and/or its extracts intake contributed to weight control: Evidence from a systematic review and meta-analysis of 13 randomized clinical trials. Phytother Res 2020; 34:2006-2022. [PMID: 32182635 DOI: 10.1002/ptr.6673] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2019] [Revised: 02/06/2020] [Accepted: 03/01/2020] [Indexed: 12/14/2022]
Abstract
Randomized controlled trials, being published in English and investigating the associations of at least 4 weeks intervention of citrus and/or its extracts on weight loss among adults, were searched from PubMed, Web of Science, Scopus, and Cochrane by June 2019 to conduct a meta-analysis. Thirteen articles, including 921 participants, were selected and evaluated by modified Jadad scale. Pooled results by the random-effects model showed that citrus and/or its extracts administration significantly reduced 1.280 kg body weight (95% CI: -1.818 to -0.741, p = 0.000, I2 = 81.4%), 0.322 kg/m2 BMI (95% CI: -0.599 to -0.046, p = 0.022, I2 = 87.0%), 2.185 cm WC (95% CI: -3.804 to -0.566, p = 0.008, I2 = 98.3%), and 2.137 cm HC (95% CI: -3.775 to -0.500, p = 0.011, I2 = 96.2%), respectively, but no significantly decreased effects on WHR and body fat were observed. Subgroup analysis deduced the different effects of study location, intervention duration on body weight associated indices. No publication bias was observed. Our meta-analysis supported the beneficial effects of citrus and/or its extracts supplement on body weight control, and future well-designed studies are required to firmly establish the clinical efficacy of citrus and/or its extracts intervention on body weight.
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Affiliation(s)
- Xinjing Wang
- Department of Nutrition and Food Hygiene, School of Public Health, Medical College of Soochow University, Suzhou, Jiangsu, China
| | - Deming Li
- Department of Nutrition and Food Hygiene, School of Public Health, Medical College of Soochow University, Suzhou, Jiangsu, China
| | - Fang Liu
- Department of Nutrition and Food Hygiene, School of Public Health, Medical College of Soochow University, Suzhou, Jiangsu, China
| | - Yuan Cui
- Department of Nutrition and Food Hygiene, School of Public Health, Medical College of Soochow University, Suzhou, Jiangsu, China
| | - Xinli Li
- Department of Nutrition and Food Hygiene, School of Public Health, Medical College of Soochow University, Suzhou, Jiangsu, China
- Jiangsu Key Laboratory of Preventive and Translational Medicine for Geriatric Diseases, School of Public Health, Soochow University, Suzhou, Jiangsu, China
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Park SJ, Sharma A, Bae MH, Sung HC, Kim NK, Sung E, Lee HJ. Efficacy and Safety of Sinetrol-XPur on Weight and Body Fat Reduction in Overweight or Obese Adults: A 12-Week, Randomized, Double-Blind, Parallel, Placebo-Controlled Trial. J Med Food 2020; 23:335-342. [DOI: 10.1089/jmf.2019.4649] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023] Open
Affiliation(s)
- Seon-Joo Park
- Department of Food and Nutrition, College of BioNano Technology, Gachon University, Seongnam, Gyeonggi-do, Korea
| | - Anshul Sharma
- Department of Food and Nutrition, College of BioNano Technology, Gachon University, Seongnam, Gyeonggi-do, Korea
| | | | | | | | - Eunju Sung
- Department of Family Medicine, Kangbuk Samsung Hospital, Sungkyunkwan University School of Medicine, Seoul, Korea
| | - Hae-Jeung Lee
- Department of Food and Nutrition, College of BioNano Technology, Gachon University, Seongnam, Gyeonggi-do, Korea
- Institute for Aging and Clinical Nutrition Research, Gachon University, Gyeonggi-do, Korea
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Bakuradze T, Tausend A, Galan J, Groh IAM, Berry D, Tur JA, Marko D, Richling E. Antioxidative activity and health benefits of anthocyanin-rich fruit juice in healthy volunteers. Free Radic Res 2019; 53:1045-1055. [DOI: 10.1080/10715762.2019.1618851] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/07/2023]
Affiliation(s)
- Tamara Bakuradze
- Department of Chemistry, Division of Food Chemistry and Toxicology, Technische Universität Kaiserslautern, Kaiserslautern, Germany
| | - Angelina Tausend
- Department of Chemistry, Division of Food Chemistry and Toxicology, Technische Universität Kaiserslautern, Kaiserslautern, Germany
| | - Jens Galan
- Medical Institute, Hochgewanne 19, Grünstadt, Germany
| | | | - David Berry
- Department of Microbiology and Ecosystem Science, Centre for Microbiology and Environmental Systems Science, Universität Wien, Vienna, Austria
| | - Josep A. Tur
- Research Group on Community Nutrition & Oxidative Stress, University of the Balearic Islands & CIBEROBN, Palma de Mallorca, Spain
| | - Doris Marko
- Department of Food Chemistry and Toxicology, Universität Wien, Vienna, Austria
| | - Elke Richling
- Department of Chemistry, Division of Food Chemistry and Toxicology, Technische Universität Kaiserslautern, Kaiserslautern, Germany
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15
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Caffeine Consumption through Coffee: Content in the Beverage, Metabolism, Health Benefits and Risks. BEVERAGES 2019. [DOI: 10.3390/beverages5020037] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Caffeine (1,3,7-trimethylxanthine) is the most consumed psychoactive substance in the world, acting by means of antagonism to adenosine receptors, mainly A1 and A2A. Coffee is the main natural source of the alkaloid which is quite soluble and well extracted during the brew’s preparation. After consumption, caffeine is almost completely absorbed and extensively metabolized in the liver by phase I (cytochrome P450) enzymes, mainly CYP1A2, which appears to be polymorphically distributed in human populations. Paraxanthine is the major caffeine metabolite in plasma, while methylated xanthines and methyluric acids are the main metabolites excreted in urine. In addition to stimulating the central nervous system, caffeine exerts positive effects in the body, often in association with other substances, contributing to prevention of several chronic diseases. The potential adverse effects of caffeine have also been extensively studied in animal species and in humans. These aspects will be approached in the present review.
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16
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Asano M, Kushida M, Yamamoto K, Tomata Y, Tsuji I, Tsuduki T. Abdominal Fat in Individuals with Overweight Reduced by Consumption of a 1975 Japanese Diet: A Randomized Controlled Trial. Obesity (Silver Spring) 2019; 27:899-907. [PMID: 30985996 DOI: 10.1002/oby.22448] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/11/2018] [Accepted: 01/28/2019] [Indexed: 01/09/2023]
Abstract
OBJECTIVE This study aimed to investigate whether the intake of the 1975 Japanese diet (JD) could reduce the amount of abdominal fat in people with overweight. METHODS Using a single-blind randomized controlled trial, the modern diet (MD) was compared with the 1975-type JD, which is based on the MD but includes five characteristics of the 1975 JD in an enhanced form. Overweight people were randomly assigned to an MD group (n = 30) and a JD group (n = 30). The participants consumed test diets that were provided three times a day for 28 days. Body composition measurements and blood biochemical examinations were performed before and after the test diet intake, and the proportions of change were compared. RESULTS Those in the JD group had significantly decreased BMI, fat mass, and levels of low-density lipoprotein cholesterol, glycated hemoglobin, and C-reactive protein (P = 0.002, 0.015, 0.014, 0.012, and 0.039, respectively) and significantly increased high-density lipoprotein cholesterol levels compared with those in the MD group (P = 0.020). CONCLUSIONS The intake of a diet with the characteristics of the 1975 JD may have beneficial effects on lipid metabolism in people with overweight and reduce the onset risk of metabolism-related disorders, such as obesity and diabetes.
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Affiliation(s)
- Masaki Asano
- Laboratory of Food and Biomolecular Science, Graduate School of Agriculture, Tohoku University, Sendai, Japan
| | - Mamoru Kushida
- Laboratory of Food and Biomolecular Science, Graduate School of Agriculture, Tohoku University, Sendai, Japan
| | - Kazushi Yamamoto
- Laboratory of Food and Biomolecular Science, Graduate School of Agriculture, Tohoku University, Sendai, Japan
| | - Yasutake Tomata
- Division of Epidemiology, Department of Health Informatics & Public Health, Graduate School of Medicine, Tohoku University School of Public Health, Sendai, Japan
| | - Ichiro Tsuji
- Division of Epidemiology, Department of Health Informatics & Public Health, Graduate School of Medicine, Tohoku University School of Public Health, Sendai, Japan
| | - Tsuyoshi Tsuduki
- Laboratory of Food and Biomolecular Science, Graduate School of Agriculture, Tohoku University, Sendai, Japan
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17
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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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18
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Neuroprotective effect of naringin, a flavone glycoside in quinolinic acid-induced neurotoxicity: Possible role of PPAR-γ, Bax/Bcl-2, and caspase-3. Food Chem Toxicol 2018; 121:95-108. [DOI: 10.1016/j.fct.2018.08.028] [Citation(s) in RCA: 46] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2018] [Revised: 08/12/2018] [Accepted: 08/15/2018] [Indexed: 01/11/2023]
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Passon M, Bühlmeier J, Zimmermann BF, Stratmann A, Latz S, Stehle P, Galensa R. Polyphenol Phase-II Metabolites are Detectable in Human Plasma after Ingestion of 13
C Labeled Spinach-a Pilot Intervention Trial in Young Healthy Adults. Mol Nutr Food Res 2018. [DOI: 10.1002/mnfr.201701003] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/16/2023]
Affiliation(s)
- Maike Passon
- Department of Nutrition and Food Sciences; Molecular Food Technology; University of Bonn; Römerstraße 164 53117 Bonn Germany
| | - Judith Bühlmeier
- Department of Nutrition and Food Sciences; Nutritional Physiology; University of Bonn; Nußallee 9 53115 Bonn Germany
- Department of Child and Adolescent Psychiatry; University Hospital Essen, University of Duisburg-Essen; 45147 Essen Germany
| | - Benno F. Zimmermann
- Department of Nutrition and Food Sciences; Molecular Food Technology; University of Bonn; Römerstraße 164 53117 Bonn Germany
- Institut Kurz GmbH; Stöckheimer Weg 1 50829 Köln Germany
| | - Anja Stratmann
- Department of Nutrition and Food Sciences; Food Chemistry; University of Bonn; Endenicher Allee 11-13 53115 Bonn Germany
| | - Stefan Latz
- Department of Urology; University of Bonn; Sigmund-Freud-Street 25 Bonn 53127 Germany
| | - Peter Stehle
- Department of Nutrition and Food Sciences; Nutritional Physiology; University of Bonn; Nußallee 9 53115 Bonn Germany
| | - Rudolf Galensa
- Department of Nutrition and Food Sciences; Food Chemistry; University of Bonn; Endenicher Allee 11-13 53115 Bonn Germany
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20
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Sharma K, Mahato N, Lee YR. Extraction, characterization and biological activity of citrus flavonoids. REV CHEM ENG 2018. [DOI: 10.1515/revce-2017-0027] [Citation(s) in RCA: 55] [Impact Index Per Article: 9.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Abstract
Citrus is one of the largest and most popular fruit crops commercially grown across the globe. It is not only important in terms of economy but is also popular for its nutritional benefits to human and farm animals. Citrus is available in several varieties, all with attractive colors. It is consumed either fresh or in processed form. After processing, approximately 50% of the fruit remains unconsumed and discarded as waste. The latter includes fruit pith residue, peels and seeds. Direct disposal of these wastes to the environment causes serious problems as these contain bioactive compounds. Release of these bioactive compounds to the open landfills cause bad odor and spread of diseases, and disposal to water bodies or seepage to the underground water table deteriorates water quality and harms aquatic life. In this regard, a number of research are being focused on the development of better reuse methods to obtain value-added phytochemicals as well as for safe disposal. The important phytochemicals obtained from citrus include essential oils, flavonoids, citric acid, pectin, etc., which have now become popular topics in industrial research, food and synthetic chemistry. The present article reviews recent advances in exploring the effects of flavonoids obtained from citrus wastes, the extraction procedure and their usage in view of various health benefits.
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Affiliation(s)
- Kavita Sharma
- School of Chemical Engineering , Yeungnam University , Gyeongsan 38541 , Republic of Korea
| | - Neelima Mahato
- School of Chemical Engineering , Yeungnam University , Gyeongsan 38541 , Republic of Korea
| | - Yong Rok Lee
- School of Chemical Engineering , Yeungnam University , Gyeongsan 38541 , Republic of Korea
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21
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Inhibition of Cyclic Adenosine Monophosphate-Specific Phosphodiesterase by Various Food Plant-Derived Phytotherapeutic Agents. MEDICINES 2017; 4:medicines4040080. [PMID: 29113064 PMCID: PMC5750604 DOI: 10.3390/medicines4040080] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 08/23/2017] [Revised: 10/20/2017] [Accepted: 11/01/2017] [Indexed: 02/07/2023]
Abstract
Background: Phosphodiesterases (PDEs) play a major role in the regulation of cyclic adenosine monophosphate (cAMP)- and cyclic guanosine monophosphate (cGMP)-mediated pathways. Their inhibitors exhibit anti-inflammatory, vasodilatory and antithrombotic effects. Therefore, consumption of foods with PDE-inhibiting potential may possess beneficial influence on the risk of cardiovascular diseases. Methods: Four plant extracts (Arbutus unedo, Camellia sinensis, Cynara scolymus, Zingiber officinale) with promising ingredient profiles and physiological effects were tested for their ability to inhibit cAMP-specific PDE in vitro in a radioactive assay. Results: Strawberry tree fruit (Arbutus unedo) and tea (Camellia sinensis) extracts did not inhibit PDE markedly. Alternatively, artichoke (Cynara scolymus) extract had a significant inhibitory influence on PDE activity (IC50 = 0.9 ± 0.1 mg/mL) as well as its flavone luteolin (IC50 = 41 ± 10 μM) and 3,4-dicaffeoylquinic acid (IC50 > 1.0 mM). Additionally, the ginger (Zingiber officinale) extract and one of its constituents, [6]-gingerol, significantly inhibited PDE (IC50 = 1.7 ± 0.2 mg/mL and IC50 > 1.7 mM, respectively). Crude fractionation of ginger extract showed that substances responsible for PDE inhibition were in the lipoid fraction (IC50 = 455 ± 19 μg/mL). Conclusions: A PDE-inhibitory effect was shown for artichoke and ginger extract. Whether PDE inhibition in vivo can be achieved through ingestion of artichoke or ginger extracts leading to physiological effects concerning cardiovascular health should be addressed in future research.
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22
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Mohib M, Afnan K, Paran TZ, Khan S, Sarker J, Hasan N, Hasan I, Sagor AT. Beneficial Role of Citrus Fruit Polyphenols Against Hepatic Dysfunctions: A Review. J Diet Suppl 2017. [DOI: 10.1080/19390211.2017.1330301] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Mohabbulla Mohib
- Department of Pharmaceutical Sciences, North South University, Dhaka, Bangladesh
- Research Institute for Medicines (iMed.ULisboa), Faculty of Pharmacy, Universidade de Lisboa, Lisboa, Portugal
| | - Kazi Afnan
- Department of Pharmaceutical Sciences, North South University, Dhaka, Bangladesh
| | - Tasfiq Zaman Paran
- Department of Pharmaceutical Sciences, North South University, Dhaka, Bangladesh
| | - Salma Khan
- Department of Pharmaceutical Sciences, North South University, Dhaka, Bangladesh
| | - Juthika Sarker
- Department of Pharmaceutical Sciences, North South University, Dhaka, Bangladesh
| | - Nahid Hasan
- Department of Pharmaceutical Sciences, North South University, Dhaka, Bangladesh
| | - Istiaque Hasan
- Department of Pharmaceutical Sciences, North South University, Dhaka, Bangladesh
| | - Abu Taher Sagor
- Department of Pharmaceutical Sciences, North South University, Dhaka, Bangladesh
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23
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Matsukawa T, Motojima H, Sato Y, Takahashi S, Villareal MO, Isoda H. Upregulation of skeletal muscle PGC-1α through the elevation of cyclic AMP levels by Cyanidin-3-glucoside enhances exercise performance. Sci Rep 2017; 7:44799. [PMID: 28317895 PMCID: PMC5357948 DOI: 10.1038/srep44799] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2016] [Accepted: 02/14/2017] [Indexed: 02/06/2023] Open
Abstract
Regular exercise and physical training enhance physiological capacity and improve metabolic diseases. Skeletal muscles require peroxisome proliferator-activated receptor-gamma coactivator-1α (PGC-1α) in the process of their adaptation to exercise owing to PGC-1α's ability to regulate mitochondrial biogenesis, angiogenesis, and oxidative metabolism. Cyanidin-3-glucoside (Cy3G) is a natural polyphenol and a nutraceutical factor, which has several beneficial effects on human health. Here, the effect of Cy3G on exercise performance and the underlying mechanisms involved were investigated. ICR mice were given Cy3G (1 mg/kg, orally) everyday and made to perform weight-loaded swimming exercise for 15 days. The endurance of mice orally administered with Cy3G was improved, enabling them to swim longer (time) and while the levels of exercise-induced lactate and fatigue markers (urea nitrogen, creatinine and total ketone bodies) were reduced. Additionally, the expression of lactate metabolism-related genes (lactate dehydrogenase B and monocarboxylate transporter 1) in gastrocnemius and biceps femoris muscles was increased in response to Cy3G-induced PGC-1α upregulation. In vitro, using C2C12 myotubes, Cy3G-induced elevation of intracellular cyclic AMP levels increased PGC-1α expression via the Ca2+/calmodulin-dependent protein kinase kinase pathway. This study demonstrates that Cy3G enhances exercise performance by activating lactate metabolism through skeletal muscle PGC-1α upregulation.
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Affiliation(s)
- Toshiya Matsukawa
- Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba City, Ibaraki 305-8572, Japan
| | - Hideko Motojima
- Alliance for Research on North Africa (ARENA), University of Tsukuba, Tsukuba City, Ibaraki 305-8572, Japan
| | - Yuki Sato
- Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba City, Ibaraki 305-8572, Japan
| | - Shinya Takahashi
- Faculty of Life and Environmental Sciences, University of Tsukuba, Tsukuba City, Ibaraki 305-8572, Japan
| | - Myra O Villareal
- Alliance for Research on North Africa (ARENA), University of Tsukuba, Tsukuba City, Ibaraki 305-8572, Japan.,Faculty of Life and Environmental Sciences, University of Tsukuba, Tsukuba City, Ibaraki 305-8572, Japan
| | - Hiroko Isoda
- Alliance for Research on North Africa (ARENA), University of Tsukuba, Tsukuba City, Ibaraki 305-8572, Japan.,Faculty of Life and Environmental Sciences, University of Tsukuba, Tsukuba City, Ibaraki 305-8572, Japan
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Onakpoya I, O'Sullivan J, Heneghan C, Thompson M. The effect of grapefruits (Citrus paradisi) on body weight and cardiovascular risk factors: A systematic review and meta-analysis of randomized clinical trials. Crit Rev Food Sci Nutr 2017; 57:602-612. [PMID: 25880021 DOI: 10.1080/10408398.2014.901292] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
The aim of this systematic review was to evaluate the evidence for or against the effectiveness of grapefruits (Citrus paradisi) on body weight, blood pressure, and lipid profile. Electronic searches were conducted in MEDLINE, EMBASE, AMED, and the Cochrane Clinical Trials databases to identify relevant human randomized clinical trials (RCTs). Hand searches of bibliographies were also conducted. Only overweight and obese subjects were included. The reporting quality was assessed using the CONSORT checklist, and the strength of the overall body of evidence was rated based on the GRADE criteria. One hundred and fifty four citations were identified and three RCTs with a total of 250 participants were included. The RCTs were of moderate quality. A meta-analysis for change in body weight failed to reveal a significant difference between grapefruits and controls, MD: -0.45 kg (95% CI: -1.06 to 0.16; I2 = 53%, but analysis revealed a significant decrease in systolic blood pressure, MD: -2.43 mmHg (95% CI: -4.77 to -0.09; I2 = 0%). Paucity in the number of RCTs, short durations of interventions, and lack of an established minimum effective dose limit the conclusions that can be drawn about the effects of grapefruit on body weight and metabolic parameters. Further clinical trials evaluating the effects of grapefruit are warranted.
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Affiliation(s)
- Igho Onakpoya
- a Department of Primary Care Health Sciences , University of Oxford , Oxford , UK
| | - Jack O'Sullivan
- a Department of Primary Care Health Sciences , University of Oxford , Oxford , UK
| | - Carl Heneghan
- a Department of Primary Care Health Sciences , University of Oxford , Oxford , UK
| | - Matthew Thompson
- a Department of Primary Care Health Sciences , University of Oxford , Oxford , UK
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25
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Baselga-Escudero L, Souza-Mello V, Pascual-Serrano A, Rachid T, Voci A, Demori I, Grasselli E. Beneficial effects of the Mediterranean spices and aromas on non-alcoholic fatty liver disease. Trends Food Sci Technol 2017. [DOI: 10.1016/j.tifs.2016.11.019] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
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26
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Rampersaud GC, Valim MF. 100% citrus juice: Nutritional contribution, dietary benefits, and association with anthropometric measures. Crit Rev Food Sci Nutr 2017; 57:129-140. [PMID: 25831042 DOI: 10.1080/10408398.2013.862611] [Citation(s) in RCA: 67] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Citrus juices such as 100% orange (OJ) and grapefruit juice (GJ) are commonly consumed throughout the world. This review examines the contributions of OJ and GJ to nutrient intake, diet quality, and fruit intake, and supports citrus juices as nutrient-dense beverages. This review also explores the research examining associations between OJ and GJ intake and anthropometric measures. Citrus juices are excellent sources of vitamin C and contribute other key nutrients such as potassium, folate, magnesium, and vitamin A. OJ intake has been associated with better diet quality in children and adults. OJ intake has not been associated with adverse effects on weight or other body measures in observational studies in children and adults. In adults, some observational studies report more favorable body mass index or body measure parameters in OJ consumers compared to nonconsumers. Intervention studies in adults report no negative impacts of OJ or GJ consumption on anthropometric measures, although these measures were typically not the primary outcomes examined in the studies. Moderate consumption of citrus juices may provide meaningful nutritional and dietary benefits and do not appear to negatively impact body weight, body composition, or other anthropometric measures in children and adults.
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Affiliation(s)
- Gail C Rampersaud
- a Food Science and Human Nutrition Department , University of Florida , Gainesville , Florida , USA
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Matsukawa T, Villareal MO, Motojima H, Isoda H. Increasing cAMP levels of preadipocytes by cyanidin-3-glucoside treatment induces the formation of beige phenotypes in 3T3-L1 adipocytes. J Nutr Biochem 2016; 40:77-85. [PMID: 27865158 DOI: 10.1016/j.jnutbio.2016.09.018] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Revised: 09/15/2016] [Accepted: 09/25/2016] [Indexed: 11/25/2022]
Abstract
Obesity is a serious health problem and a major risk factor for the onset of several diseases such as heart disease, diabetes, stroke and cancer. The conversion of white adipocytes to brown-like adipocytes, also called beige or brite adipocytes, by pharmacological and dietary compounds has gained attention as an effective treatment for obesity. Cyanidin-3-glucoside (Cy3G), a polyphenolic compound contained in black soybean, blueberry and grape, has several antiobesity effects. However, there are no reports on the role of Cy3G in the induction of differentiation of preadipocytes to beige adipocytes and corresponding phenotypes. Here, the formation of beige adipocyte phenotypes following treatment with Cy3G was evaluated using 3T3-L1 adipocytes. Cy3G induced phenotypic changes to white adipocytes, such as increased multilocular lipid droplets and mitochondrial content. Additionally, the expression of mitochondrial genes (TFAM, SOD2, UCP-1 and UCP-2), UCP-1 protein and beige adipocyte markers (CITED1 and TBX1) in 3T3-L1 adipocytes was increased by Cy3G. Furthermore, Cy3G promoted preadipocyte differentiation by up-regulating of C/EBPβ through the elevation of the intracellular cAMP levels. These results indicated that Cy3G elevates the intracellular cAMP levels, which induces beige adipocyte phenotypes. This is the first report on the effect of Cy3G on induction of differentiation of preadipocytes into beige adipocyte phenotypes.
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Affiliation(s)
- Toshiya Matsukawa
- Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba City, Ibaraki, 305-8572, Japan
| | - Myra O Villareal
- Faculty of Life and Environmental Sciences, University of Tsukuba, Tsukuba City, Ibaraki, 305-8572, Japan; Alliance for Research on North Africa (ARENA), University of Tsukuba, Tsukuba City, Ibaraki, 305-8572, Japan
| | - Hideko Motojima
- Alliance for Research on North Africa (ARENA), University of Tsukuba, Tsukuba City, Ibaraki, 305-8572, Japan
| | - Hiroko Isoda
- Faculty of Life and Environmental Sciences, University of Tsukuba, Tsukuba City, Ibaraki, 305-8572, Japan; Alliance for Research on North Africa (ARENA), University of Tsukuba, Tsukuba City, Ibaraki, 305-8572, Japan.
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28
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Janda E, Lascala A, Martino C, Ragusa S, Nucera S, Walker R, Gratteri S, Mollace V. Molecular mechanisms of lipid- and glucose-lowering activities of bergamot flavonoids. PHARMANUTRITION 2016. [DOI: 10.1016/j.phanu.2016.05.001] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
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29
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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: 131] [Impact Index Per Article: 16.4] [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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Yoo JM, Lee M, Kwon HO, Choi SG, Bae MH, Kim OK. Effects of Sinetrol-XPur on Leptin-Deficient Obese Mice and Activation of cAMP-Dependent UCP-2. ACTA ACUST UNITED AC 2016. [DOI: 10.3746/jkfn.2016.45.4.484] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/31/2023]
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The Interplay of Reactive Oxygen Species, Hypoxia, Inflammation, and Sirtuins in Cancer Initiation and Progression. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2015; 2016:3907147. [PMID: 26798421 PMCID: PMC4699039 DOI: 10.1155/2016/3907147] [Citation(s) in RCA: 215] [Impact Index Per Article: 23.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/23/2015] [Accepted: 09/29/2015] [Indexed: 12/15/2022]
Abstract
The presence of ROS is a constant feature in living cells metabolizing O2. ROS concentration and compartmentation determine their physiological or pathological effects. ROS overproduction is a feature of cancer cells and plays several roles during the natural history of malignant tumor. ROS continuously contribute to each step of cancerogenesis, from the initiation to the malignant progression, acting directly or indirectly. In this review, we will (a) underline the role of ROS in the pathway leading a normal cell to tumor transformation and progression, (b) define the multiple roles of ROS during the natural history of a tumor, (c) conciliate many conflicting data about harmful or beneficial effects of ROS, (d) rethink the importance of oncogene and tumor suppressor gene mutations in relation to the malignant progression, and (e) collocate all the cancer hallmarks in a mechanistic sequence which could represent a "physiological" response to the initial growth of a transformed stem/pluripotent cell, defining also the role of ROS in each hallmark. We will provide a simplified sketch about the relationships between ROS and cancer. The attention will be focused on the contribution of ROS to the signaling of HIF, NFκB, and Sirtuins as a leitmotif of cancer initiation and progression.
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Nakajima VM, Madeira JV, Macedo GA, Macedo JA. Biotransformation effects on anti lipogenic activity of citrus extracts. Food Chem 2015; 197 Pt B:1046-53. [PMID: 26675840 DOI: 10.1016/j.foodchem.2015.11.109] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2015] [Revised: 08/10/2015] [Accepted: 11/24/2015] [Indexed: 12/13/2022]
Abstract
Citrus peel is a good source of flavonoids, with higher content in relation to pulp. This study proposed to investigate the anti-lipogenic potential of a newly developed citrus flavonoids extract, obtained from citrus industrial residue, bioprocessed in order to generate a commercial source of some flavonoids naturally found in low quantity. The results showed that the citrus peel extract obtained after biotransformation was a good source of hesperitin and naringenin, flavonoids that has no source for production on a large scale, as in supplements or medicines. Still, the results showed that all extracts could be used in obesity treatment. The original extract, "In Natura", would be useful to reduce new adipocytes synthesis and lipid accumulation, and the extract bioprocessed, "Biotransformed" extract could be used to induce lipolysis on fat tissue.
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Affiliation(s)
- Vânia Mayumi Nakajima
- Department of Food and Nutrition, Faculty of Food Engineering, State University of Campinas - UNICAMP, Rua Monteiro Lobato, 80, Cidade Universitária Zeferino Vaz, CP 6121, CEP 13083-862 Campinas, SP, Brazil.
| | - José Valdo Madeira
- Department of Food Engineering, Faculty of Food Engineering, State University of Campinas - UNICAMP, Rua Monteiro Lobato, 80, Cidade Universitária Zeferino Vaz, CP 6121, CEP 13083-862 Campinas, SP, Brazil
| | - Gabriela Alves Macedo
- Department of Food and Nutrition, Faculty of Food Engineering, State University of Campinas - UNICAMP, Rua Monteiro Lobato, 80, Cidade Universitária Zeferino Vaz, CP 6121, CEP 13083-862 Campinas, SP, Brazil
| | - Juliana Alves Macedo
- Department of Food and Nutrition, Faculty of Food Engineering, State University of Campinas - UNICAMP, Rua Monteiro Lobato, 80, Cidade Universitária Zeferino Vaz, CP 6121, CEP 13083-862 Campinas, SP, Brazil
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Lim H, Yeo E, Song E, Chang YH, Han BK, Choi HJ, Hwang J. Bioconversion of Citrus unshiu peel extracts with cytolase suppresses adipogenic activity in 3T3-L1 cells. Nutr Res Pract 2015; 9:599-605. [PMID: 26634048 PMCID: PMC4667200 DOI: 10.4162/nrp.2015.9.6.599] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2015] [Revised: 06/19/2015] [Accepted: 06/23/2015] [Indexed: 12/27/2022] Open
Abstract
BACKGROUND/OBJECTIVES Citrus flavonoids have a variety of physiological properties such as anti-oxidant, anti-inflammation, anti-cancer, and anti-obesity. We investigated whether bioconversion of Citrus unshiu with cytolase (CU-C) ameliorates the anti-adipogenic effects by modulation of adipocyte differentiation and lipid metabolism in 3T3-L1 cells. MATERIALS/METHODS Glycoside forms of Citrus unshiu (CU) were converted into aglycoside forms with cytolase treatment. Cell viability of CU and CU-C was measured at various concentrations in 3T3L-1 cells. The anti-adipogenic and lipolytic effects were examined using Oil red O staining and free glycerol assay, respectively. We performed real time-polymerase chain reaction and western immunoblotting assay to detect mRNA and protein expression of adipogenic transcription factors, respectively. RESULTS Treatment with cytolase decreased flavanone rutinoside forms (narirutin and hesperidin) and instead, increased flavanone aglycoside forms (naringenin and hesperetin). During adipocyte differentiation, 3T3-L1 cells were treated with CU or CU-C at a dose of 0.5 mg/ml. Adipocyte differentiation was inhibited in CU-C group, but not in CU group. CU-C markedly suppressed the insulin-induced protein expression of CCAAT/enhancer-binding protein α (C/EBPα) and peroxisome proliferator-activated receptor gamma (PPARγ) as well as the mRNA levels of CEBPα, PPARγ, and sterol regulatory element binding protein 1c (SREBP1c). Both CU and CU-C groups significantly increased the adipolytic activity with the higher release of free glycerol than those of control group in differentiated 3T3-L1 adipocytes. CU-C is particularly superior in suppression of adipogenesis, whereas CU-C has similar effect to CU on stimulation of lipolysis. CONCLUSIONS These results suggest that bioconversion of Citrus unshiu peel extracts with cytolase enhances aglycoside flavonoids and improves the anti-adipogenic metabolism via both inhibition of key adipogenic transcription factors and induction of adipolytic activity.
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Affiliation(s)
- Heejin Lim
- Department of Food and Nutrition, College of Natural Sciences, Myongji University, 116 Myongji-ro, Cheoin-gu, Yongin, Gyeonggi 449-728, Korea
| | - Eunju Yeo
- Department of Food and Nutrition, College of Natural Sciences, Myongji University, 116 Myongji-ro, Cheoin-gu, Yongin, Gyeonggi 449-728, Korea
| | - Eunju Song
- Department of Food and Nutrition, College of Natural Sciences, Myongji University, 116 Myongji-ro, Cheoin-gu, Yongin, Gyeonggi 449-728, Korea
| | - Yun-Hee Chang
- Department of Food and Nutrition, College of Natural Sciences, Myongji University, 116 Myongji-ro, Cheoin-gu, Yongin, Gyeonggi 449-728, Korea
| | | | | | - Jinah Hwang
- Department of Food and Nutrition, College of Natural Sciences, Myongji University, 116 Myongji-ro, Cheoin-gu, Yongin, Gyeonggi 449-728, Korea
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Cases J, Romain C, Dallas C, Gerbi A, Rouanet JM. A 12-week randomized double-blind parallel pilot trial of Sinetrol XPur on body weight, abdominal fat, waist circumference, and muscle metabolism in overweight men. Int J Food Sci Nutr 2015; 66:471-7. [PMID: 26037199 DOI: 10.3109/09637486.2015.1042847] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/04/2023]
Abstract
Overweight and obesity are associated to increased risk of developing non-communicable diseases that might dramatically affect life expectancy according World Health Organization. Overweight, obesity, and decline in physical activity are correlated to a significant propensity to lose skeletal muscle mass as a result of prolonged inflammation and oxidative stress whereas cohort surveys and clinical investigations have demonstrated health benefits of Citrus-based polyphenols to reverse such regression. Overweight men were included in a double-blind, randomized, parallel pilot trial where they received daily for a 12-week period 900 mg of a Citrus-based polyphenol extract, Sinetrol® XPur. Body composition, anthropometric, and blood parameters were assessed before and at the end of the intervention period. After 12 weeks, while the silhouette slimmed down, metabolic parameters were significantly improved and skeletal muscle catabolism held back. These data suggest that over a 12-week period, the efficacy of the supplement improve both overweight process and correlated skeletal muscle mass metabolism.
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Affiliation(s)
- Julien Cases
- Innovation and Scientific Affairs, Fytexia SAS, ZAE via Europe , Vendres , France
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Seo J, Lim H, Chang YH, Park HR, Han BK, Jeong JK, Choi KS, Park SB, Choi HJ, Hwang J. Effects of Jeju Citrus unshiu Peel Extracts Before and After Bioconversion with Cytolase on Anti-Inflammatory Activity in RAW264.7 Cells. ACTA ACUST UNITED AC 2015. [DOI: 10.3746/jkfn.2015.44.3.331] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022]
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36
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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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Cases J, Romain C, Dallas C, Gerbi A, Cloarec M. Regular consumption of Fiit-ns, a polyphenol extract from fruit and vegetables frequently consumed within the Mediterranean diet, improves metabolic ageing of obese volunteers: a randomized, double-blind, parallel trial. Int J Food Sci Nutr 2014; 66:120-5. [PMID: 25358490 DOI: 10.3109/09637486.2014.971229] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022]
Abstract
Epidemiological studies suggest that metabolic ageing process of overweight and obese populations is associated with an increased risk of developing non-communicable diseases (NCDs). Inflammation, hyper-glycaemia, dyslipidemia and oxidative stress have been associated with early stages of NCDs development whereas cohort surveys have demonstrated health benefits of dietary polyphenols from various dietary sources to reverse such progress. Obese volunteers were included in a double-blind, randomized, parallel pilot trial where they received daily for a 12-week period 900 mg of a polyphenol-rich treatment extracted from fruit and vegetables frequently consumed within the Mediterranean diet. Anthropometric and blood parameters were assessed before and at the end of the intervention period. After 12 weeks, while the silhouette slimmed down, metabolic parameters were significantly improved and general satisfaction considerably ameliorated. These data suggest that over a 12-week period, the synergistic action of bioactives within the treatment improves metabolic ageing process and quality of life in obese volunteers.
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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: 408] [Impact Index Per Article: 40.8] [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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Chen Y, Wu H, Nie YC, Li PB, Shen JG, Su WW. Mucoactive effects of naringin in lipopolysaccharide-induced acute lung injury mice and beagle dogs. ENVIRONMENTAL TOXICOLOGY AND PHARMACOLOGY 2014; 38:279-287. [PMID: 24998504 DOI: 10.1016/j.etap.2014.04.030] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/26/2012] [Revised: 04/26/2014] [Accepted: 04/29/2014] [Indexed: 06/03/2023]
Abstract
Our previous study has demonstrated that naringin attenuates EGF-induced MUC5AC hypersecretion in A549 cells by suppressing the cooperative activities of MAPKs/AP-1 and IKKs/IκB/NF-κB signaling pathways. However, the volume of airway mucus is determined by two factors including the number of mucous cells and capacity of mucus secretion. The aim of the present study is to explore the mucoactive effects of naringin in lipopolysaccharide (LPS)-induced acute lung injury (ALI) mice and beagle dogs. The results demonstrated that naringin of 12.4 mg/kg treatment significantly decreased LPS-induced enhancement of sputum volume and pulmonary inflammation, remarkably increased the subglottic sputum volume and solids content in sputum of lower trachea, while partially, but not fully, significantly increased the elasticity and viscosity of sputum in lower trachea of beagle dogs. Moreover, the MUC5AC content in BALF and goblet-cells in large airways of LPS-induced ALI mice were significantly attenuated by dexamethasone (5 mg/kg), ambroxol (25 mg/kg), and naringin (15, 60 mg/kg). However, the goblet-cells hyperplasia in small airways induced by LPS was only significantly inhibited by dexamethasone and naringin (60 mg/kg). In conclusion, naringin exhibits mucoactive effects through multiple targets which including reduction of goblet cells hyperplasia and mucus hypersecretion, as well as promotion of sputum excretion.
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Affiliation(s)
- Yan Chen
- Guangzhou Quality R&D Center of Traditional Chinese Medicine, Guangdong Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, PR China
| | - Hao Wu
- School of Chinese Medicine, The University of Hong Kong, Hong Kong Special Administrative Region
| | - Yi-chu Nie
- Guangzhou Quality R&D Center of Traditional Chinese Medicine, Guangdong Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, PR China
| | - Pei-bo Li
- Guangzhou Quality R&D Center of Traditional Chinese Medicine, Guangdong Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, PR China
| | - Jian-gang Shen
- School of Chinese Medicine, The University of Hong Kong, Hong Kong Special Administrative Region.
| | - Wei-wei Su
- Guangzhou Quality R&D Center of Traditional Chinese Medicine, Guangdong Key Laboratory of Plant Resources, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, PR China.
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Yuliana ND, Korthout H, Wijaya CH, Kim HK, Verpoorte R. Plant-derived food ingredients for stimulation of energy expenditure. Crit Rev Food Sci Nutr 2014; 54:373-88. [PMID: 24188308 DOI: 10.1080/10408398.2011.586739] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
The development of obesity is related to the regulation of energy intake, energy expenditure, and energy storage in the body. Increasing energy expenditure by inducing lipolysis followed by fat oxidation is one of the alternatives which could help to reverse this increasingly widespread condition. Currently, there is no approved drug targeting on stimulation of energy expenditure available. The use of herbal medicines has become a preferred alternative, supported by the classical consensus on the innocuity of herbal medicine vs synthetic drugs, something that often lacks a scientific basis (ban on Ephedra, for example). The inclusion of functional food in the daily diet has also been promoted although its efficacy requires further investigation. This review summarizes the results of recent work focused on the investigation of edible plant materials targeted at various important pathways related to stimulation of energy expenditure. The aim is to evaluate a number of plants that may be of interest for further studies because of their potential to provide novel lead compounds or functional foods which may be used to combat obesity, but require further studies to evaluate their antiobesity activity in humans.
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Affiliation(s)
- Nancy Dewi Yuliana
- a Department of Pharmacognosy, Section of Metabolomics , Leiden University , Einsteinweg 55, 2333 CC , Leiden , The Netherlands
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AMP-activated protein kinase mediates insulin-like and lipo-mobilising effects of β-glucan-rich polysaccharides isolated from Pleurotus sajor-caju (Fr.), Singer mushroom, in 3T3-L1 cells. Food Chem 2014; 145:198-204. [DOI: 10.1016/j.foodchem.2013.08.051] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2013] [Revised: 06/25/2013] [Accepted: 08/13/2013] [Indexed: 12/20/2022]
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Mohamed S. Functional foods against metabolic syndrome (obesity, diabetes, hypertension and dyslipidemia) and cardiovasular disease. Trends Food Sci Technol 2014. [DOI: 10.1016/j.tifs.2013.11.001] [Citation(s) in RCA: 72] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
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Li P, Wang S, Guan X, Cen X, Hu C, Peng W, Wang Y, Su W. Six months chronic toxicological evaluation of naringin in Sprague-Dawley rats. Food Chem Toxicol 2014; 66:65-75. [PMID: 24462649 DOI: 10.1016/j.fct.2014.01.023] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/03/2013] [Revised: 01/07/2014] [Accepted: 01/14/2014] [Indexed: 12/26/2022]
Abstract
Naringin is a flavonoid showing variable pharmacological properties and is distributed ubiquitously in plant foods. There is a paucity of reported data regarding its safety profile. In the present study, chronic toxicity studies of naringin was designed and conducted by oral gavage at doses of 0, 50, 250 and 1250 mg/kg in Sprague-Dawley (SD) rats for six months followed by 1-month recovery period. During the 6-month treatment period and one month recovery period, no mortality and toxicologically significant changes in clinical signs, opthalmoscopic examination, hematology, clinical biochemistry, serumsexhormone, macroscopic findings, organ weights and histopathological examination were noted and attributed to naringin administration. Although consecutive and/or isolated periods of significant body weights and food consumption decreases were relevant to naringin administration, they were not considered toxicologically significant. In addition, slight, non-pathological and reversible hair loss was noted during the 6-month treatment period and considered as a kind of change possibly relevant to naringin administration; however, it was not considered adverse change and to be of toxicological significance. Based on the results of this study, the no-observed-adverse-effect-level (NOAEL) of naringin in rats is greater than 1250 mg/kg/day when administered orally for 6 consecutive months.
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Affiliation(s)
- Peibo Li
- Guangdong Key Laboratory of Plant Resources, Guangzhou Quality R&D Center of Traditional Chinese Medicine, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, PR China
| | - Sheng Wang
- Guangdong Key Laboratory of Plant Resources, Guangzhou Quality R&D Center of Traditional Chinese Medicine, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, PR China
| | - Xiaolin Guan
- National Chengdu Center for Safety Evaluation of Drugs, Chengdu 610041, PR China
| | - Xiaobo Cen
- National Chengdu Center for Safety Evaluation of Drugs, Chengdu 610041, PR China
| | - Chunyan Hu
- National Chengdu Center for Safety Evaluation of Drugs, Chengdu 610041, PR China
| | - Wei Peng
- Guangdong Key Laboratory of Plant Resources, Guangzhou Quality R&D Center of Traditional Chinese Medicine, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, PR China
| | - Yonggang Wang
- Guangdong Key Laboratory of Plant Resources, Guangzhou Quality R&D Center of Traditional Chinese Medicine, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, PR China.
| | - Weiwei Su
- Guangdong Key Laboratory of Plant Resources, Guangzhou Quality R&D Center of Traditional Chinese Medicine, School of Life Sciences, Sun Yat-sen University, Guangzhou 510275, PR China.
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Papandreou D, Phily A. An Updated Mini Review on Grapefruit: Interactions with Drugs, Obesity and Cardiovascular Risk Factors. ACTA ACUST UNITED AC 2014. [DOI: 10.4236/fns.2014.54045] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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45
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Flanagan J, Bily A, Rolland Y, Roller M. Lipolytic activity of Svetol®, a decaffeinated green coffee bean extract. Phytother Res 2013; 28:946-8. [PMID: 24338784 DOI: 10.1002/ptr.5085] [Citation(s) in RCA: 27] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2013] [Revised: 10/15/2013] [Accepted: 10/31/2013] [Indexed: 11/09/2022]
Abstract
The beneficial health effects of chlorogenic acids (CGAs), major components of coffee beans, are well known and have been attributed to multiple mechanisms of action. However, the lipolytic activity of CGAs does not appear to have been reported. We studied the effects of varying concentrations of Svetol®, a decaffeinated green coffee bean extract enriched in CGAs, on the liberation of free fatty acids from human adipocytes following short-term (2 h) and long-term (192 h) exposure. The results showed that although lipolytic activity observed following short-term incubation could be tentatively linked to residual caffeine traces in the sample, longer-term exposure clearly showed the effects of Svetol® on release of free fatty acids, and this effect was not due to caffeine. The results of this study provide a further mechanism by which to explain the long-term health benefits of CGAs and Svetol®.
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Affiliation(s)
- John Flanagan
- Naturex SA, Site d'Agroparc BP 1218, 84911, Avignon Cedex 9, France
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Clinical Study to Assess the Efficacy and Safety of a Citrus Polyphenolic Extract of Red Orange, Grapefruit, and Orange (Sinetrol-XPur) on Weight Management and Metabolic Parameters in Healthy Overweight Individuals. Phytother Res 2013; 28:212-8. [DOI: 10.1002/ptr.4981] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2012] [Revised: 01/30/2013] [Accepted: 02/01/2013] [Indexed: 11/07/2022]
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47
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Jia Y, Kim JY, Jun HJ, Kim SJ, Lee JH, Hoang MH, Kim HS, Chang HI, Hwang KY, Um SJ, Lee SJ. Cyanidin is an agonistic ligand for peroxisome proliferator-activated receptor-alpha reducing hepatic lipid. Biochim Biophys Acta Mol Cell Biol Lipids 2013; 1831:698-708. [DOI: 10.1016/j.bbalip.2012.11.012] [Citation(s) in RCA: 55] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2012] [Revised: 11/15/2012] [Accepted: 11/29/2012] [Indexed: 10/27/2022]
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Tafani M, Pucci B, Russo A, Schito L, Pellegrini L, Perrone GA, Villanova L, Salvatori L, Ravenna L, Petrangeli E, Russo MA. Modulators of HIF1α and NFkB in Cancer Treatment: Is it a Rational Approach for Controlling Malignant Progression? Front Pharmacol 2013; 4:13. [PMID: 23408731 PMCID: PMC3569619 DOI: 10.3389/fphar.2013.00013] [Citation(s) in RCA: 68] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2012] [Accepted: 01/23/2013] [Indexed: 01/17/2023] Open
Abstract
HIF1α and NFkB are two transcription factors very frequently activated in tumors and involved in tumor growth, progression, and resistance to chemotherapy. In fact, HIF1α and NFkB together regulate transcription of over a thousand genes that, in turn, control vital cellular processes such as adaptation to the hypoxia, metabolic reprograming, inflammatory reparative response, extracellular matrix digestion, migration and invasion, adhesion, etc. Because of this wide involvement they could control in an integrated manner the origin of the malignant phenotype. Interestingly, hypoxia and inflammation have been sequentially bridged in tumors by the discovery that alarmin receptors genes such as RAGE, P2X7, and some TLRs, are activated by HIF1α; and that, in turn, alarmin receptors strongly activate NFkB and proinflammatory gene expression, evidencing all the hallmarks of the malignant phenotype. Recently, a large number of drugs have been identified that inhibit one or both transcription factors with promising results in terms of controlling tumor progression. In addition, many of these molecules are natural compounds or off-label drugs already used to cure other pathologies. Some of them are undergoing clinical trials and soon they will be used alone or in combination with standard anti-tumoral agents to achieve a better treatment of tumors with reduction of metastasis formation and, more importantly, with a net increase in survival. This review highlights the central role of HIF1α activated in hypoxic regions of the tumor, of NFkB activation and proinflammatory gene expression in transformed cells to understand their progression toward malignancy. Different molecules and strategies to inhibit these transcription factors will be reviewed. Finally, the central role of a new class of deacetylases called Sirtuins in regulating HIF1α and NFkB activity will be outlined.
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Affiliation(s)
- Marco Tafani
- Department of Experimental Medicine, Sapienza University of Rome Rome, Italy ; Laboratory of Molecular and Cellular Pathology - Istituto di Ricovero e Cura a Carattere Scientifico San Raffaele Pisana Rome, Italy
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Massart J, Robin MA, Noury F, Fautrel A, Lettéron P, Bado A, Eliat PA, Fromenty B. Pentoxifylline aggravates fatty liver in obese and diabetic ob/ob mice by increasing intestinal glucose absorption and activating hepatic lipogenesis. Br J Pharmacol 2012; 165:1361-74. [PMID: 21740407 DOI: 10.1111/j.1476-5381.2011.01580.x] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023] Open
Abstract
BACKGROUND AND PURPOSE Pentoxifylline is in clinical trials for non-alcoholic fatty liver disease and diabetic nephropathy. Metabolic and hepatic effects of pentoxifylline were assessed in a murine model of obesity and type 2 diabetes. EXPERIMENTAL APPROACH Pentoxifylline (100 mg·kg(-1) ·day(-1)) was administered for 4 days or 3 weeks in lean and obese/diabetic ob/ob mice. Plasma lipids, glucose, other metabolites and relevant enzymes were measured by standard assays. Hepatic lipids in vivo were assessed with magnetic resonance spectroscopy and by histology. Hepatic extracts were also analysed with RT-PCR and Western blotting. KEY RESULTS Four days of pentoxifylline treatment slightly increased liver lipids in ob/ob mice. After 3 weeks, pentoxifylline exacerbated fatty liver and plasma transaminases in ob/ob mice but did not induce liver steatosis in lean mice. Plasma glucose was highest in fed, but not fasted, ob/ob mice treated with pentoxifylline. During the first 10 min of an oral glucose tolerance test, blood glucose increased more rapidly in pentoxifylline-treated mice. Jejunal expression of glucose transporter 2 isoform was increased in pentoxifylline-treated obese mice. Hepatic activity of carbohydrate response element binding protein (ChREBP) increased after pentoxifylline in ob/ob, but not lean, mice. Hepatic expression of lipogenic enzymes was highest in pentoxifylline-treated ob/ob mice. However, pentoxifylline reduced markers of oxidative stress and inflammation in ob/ob liver. CONCLUSION AND IMPLICATIONS Pentoxifylline exacerbated fatty liver in ob/ob mice through enhanced intestinal glucose absorption, increased postprandial glycaemia and activation of hepatic lipogenesis. Long-term treatment with pentoxifylline could worsen fatty liver in some patients with pre-existing hyperglycaemia.
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Affiliation(s)
- J Massart
- INSERM, U991, Université de Rennes 1, Rennes, France
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Dow CA, Going SB, Chow HHS, Patil BS, Thomson CA. The effects of daily consumption of grapefruit on body weight, lipids, and blood pressure in healthy, overweight adults. Metabolism 2012; 61:1026-35. [PMID: 22304836 DOI: 10.1016/j.metabol.2011.12.004] [Citation(s) in RCA: 61] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/12/2011] [Revised: 12/12/2011] [Accepted: 12/13/2011] [Indexed: 02/05/2023]
Abstract
Folklore has suggested that consuming grapefruit may promote weight control. Sparse data exist to support this hypothesis, although there is some evidence of health promotion effects with regard to blood pressure control and modulation of circulating lipids. The aim of this randomized controlled trial was to prospectively evaluate the role of grapefruit in reducing body weight and blood pressure and in promoting improvements in the lipid profile in overweight adults (N = 74). Following a 3-week washout diet low in bioactive-rich fruits and vegetables, participants were randomized to either the control diet (n = 32) or daily grapefruit (n = 42) in the amount of one half of a fresh Rio-Red grapefruit with each meal (3× daily) for 6 weeks. No differences between group in weight, blood pressure, or lipids were demonstrated. Grapefruit consumption was associated with modest weight loss (-0.61 ± 2.23 kg, P = .097), a significant reduction in waist circumference (-2.45 ± 0.60 cm, P = .0002), and a significant reduction in systolic blood pressure (-3.21 ± 10.13 mm Hg, P = .03) compared with baseline values. Improvements were observed in circulating lipids of those consuming grapefruit, with total cholesterol and low-density lipoprotein significantly decreasing by -11.7 mg/dL (P = .002) and -18.7 mg/dL (P < .001), respectively, compared with baseline values. This study suggests that consumption of grapefruit daily for 6 weeks does not significantly decrease body weight, lipids, or blood pressure as compared with the control condition. However, the improvements in blood pressure and lipids demonstrated in the intervention group suggest that grapefruit should be further evaluated in the context of obesity and cardiovascular disease prevention.
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Affiliation(s)
- Caitlin A Dow
- Department of Nutritional Sciences, University of Arizona, Tucson, AZ 85721, USA
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