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Bayram SŞ, Kızıltan G. The Role of Omega- 3 Polyunsaturated Fatty Acids in Diabetes Mellitus Management: A Narrative Review. Curr Nutr Rep 2024; 13:527-551. [PMID: 39031306 PMCID: PMC11327211 DOI: 10.1007/s13668-024-00561-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 07/09/2024] [Indexed: 07/22/2024]
Abstract
PURPOSE OF REVIEW Diabetes mellitus (DM) is a group of metabolic illnesses characterized by elevated levels of glucose in the bloodstream as a result of abnormalities in the generation or function of insulin. Medical Nutrition Therapy (MNT) is an essential component of diabetes management. Dietary fats are essential in both the prevention and progression of chronic diseases. Omega-3 polyunsaturated fatty acids are recognized for their advantageous impact on health. They assist in controlling blood sugar levels and lipid profile in patients with all types of diabetes. Furthermore, they reduce the occurrence of cardiovascular events and death linked to DM. RECENT FINDINGS After evaluating the antioxidant, anti-inflammatory, antilipidemic, and antidiabetic mechanisms of omega-3 fatty acid supplements, as well as the results from randomized controlled studies, it is clear that these supplements have positive effects in both preventing and treating diabetes, as well as preventing and treating complications related to diabetes, specifically cardiovascular diseases. However, current evidence does not support the use of omega-3 supplementation in people with diabetes for the purpose of preventing or treating cardiovascular events. People with all types of diabetes are suggested to include fatty fish and foods high in omega-3 fatty acids in their diet twice a week, as is prescribed for the general population.
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Affiliation(s)
- Sümeyra Şahin Bayram
- Faculty of Health Sciences, Nutrition and Dietetics Department, Selcuk University, Konya, Turkey.
| | - Gül Kızıltan
- Faculty of Health Sciences, Nutrition and Dietetics Department, Baskent University, Ankara, Turkey
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2
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Dong R, Lin H, Ding Y, Chen X, Shi R, Yuan S, Li J, Zhu B, Xu X, Shen W, Wang K, Ding D, He N. Effects of Docosahexanoic Acid on Gut Microbiota and Fecal Metabolites in HIV-Infected Patients With Neurocognitive Impairment: A 6-Month Randomized, Double-Blind, Placebo-Controlled Trial. Front Nutr 2022; 8:756720. [PMID: 35127778 PMCID: PMC8814435 DOI: 10.3389/fnut.2021.756720] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/15/2021] [Accepted: 12/16/2021] [Indexed: 11/24/2022] Open
Abstract
Neurocognitive impairment (NCI) and gut microbiota dysbiosis are prevalent in patients with HIV infection. Docosahexanoic acid (DHA) supplementation may alleviate multiple neurocognitive diseases symptoms and plays important role in regulating gut microbiota. However, it is not known whether DHA algae oil supplements can alleviate neurocognitive impairment (NCI) and regulate gut microbiota and fecal metabolites. A randomized, double-blind, placebo-controlled trial was performed on 68 HIV-infected patients with NCI. Participants were randomized to receive a 3.15 g daily DHA algae oil supplement or placebo for 6 months. We collected blood and fecal samples from these patients before and after the trial. Mini mental state examination (MMSE) and neuropsychological tests (NP tests) were administered to assess the cognitive status of participants. The influence of DHA algae oil on the gut microbiota, fecal metabolomics, plasma proinflammatory, and oxidative stress factors was also investigated. There were no significant changes in NCI according to global diagnosis score (GDS) and MMSE score within the two groups, while patients receiving DHA had improvement in several blood lipids, pro-inflammatory and oxidative stress factors. The DHA supplement increased α-diversity indexes, increased abundances of Blautia, Bifidobacterium, Dorea, Lactobacillus, Faecalibacterium, Fusobacterium, and Agathobacter, and decreased abundances of Bacteroides and Prevotella_9. Furthermore, DHA supplement was correlated with improved fecal lipid metabolites as indicated by ceramides, bile acids, glycerophospholipids. In addition, the DHA supplement was associated with altered cholesterol metabolism and purine metabolism pathways. A daily supplement of DHA algae oil for 6 months has been shown to promote favorable transformations in gut microbiota, profiles of fecal metabolomic, and factors responsible for proinflammatory and oxidative stress, which might be beneficial for the prognosis of HIV-infected patients with NCI in the long-term.
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Affiliation(s)
- Ruihua Dong
- Department of Nutrition and Food Hygiene, School of Public Health, Fudan University, Shanghai, China
- Department of Epidemiology, School of Public Health, and the Key Laboratory of Public Health Safety of Ministry of Education, Fudan University, Shanghai, China
| | - Haijiang Lin
- Department of Epidemiology, School of Public Health, and the Key Laboratory of Public Health Safety of Ministry of Education, Fudan University, Shanghai, China
- Taizhou City Center for Disease Control and Prevention, Taizhou City, China
| | - Yingying Ding
- Department of Epidemiology, School of Public Health, and the Key Laboratory of Public Health Safety of Ministry of Education, Fudan University, Shanghai, China
| | - Xiaoxiao Chen
- Taizhou City Center for Disease Control and Prevention, Taizhou City, China
| | - Ruizi Shi
- Department of Epidemiology, School of Public Health, and the Key Laboratory of Public Health Safety of Ministry of Education, Fudan University, Shanghai, China
| | - Shiying Yuan
- Department of Epidemiology, School of Public Health, and the Key Laboratory of Public Health Safety of Ministry of Education, Fudan University, Shanghai, China
| | - Jing Li
- Department of Epidemiology, School of Public Health, and the Key Laboratory of Public Health Safety of Ministry of Education, Fudan University, Shanghai, China
| | - Bowen Zhu
- Department of Epidemiology, School of Public Health, and the Key Laboratory of Public Health Safety of Ministry of Education, Fudan University, Shanghai, China
| | - Xiaohui Xu
- Department of Epidemiology, School of Public Health, and the Key Laboratory of Public Health Safety of Ministry of Education, Fudan University, Shanghai, China
| | - Weiwei Shen
- Taizhou City Center for Disease Control and Prevention, Taizhou City, China
| | - Keran Wang
- Department of Epidemiology, School of Public Health, and the Key Laboratory of Public Health Safety of Ministry of Education, Fudan University, Shanghai, China
| | - Ding Ding
- Institute of Neurology, Huashan Hospital, Fudan University, Shanghai, China
| | - Na He
- Department of Epidemiology, School of Public Health, and the Key Laboratory of Public Health Safety of Ministry of Education, Fudan University, Shanghai, China
- Shanghai Institute of Infectious Diseases and Biosafety, Fudan University, Shanghai, China
- *Correspondence: Na He
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Effect of omega-3 fatty acid supplementation on gene expression of inflammation, oxidative stress and cardiometabolic parameters: Systematic review and meta-analysis. J Funct Foods 2021. [DOI: 10.1016/j.jff.2021.104619] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
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Sepidarkish M, Rezamand G, Qorbani M, Heydari H, Estêvão MD, Omran D, Morvaridzadeh M, Roffey DM, Farsi F, Ebrahimi S, Shokri F, Heshmati J. Effect of omega-3 fatty acids supplementation on adipokines: a systematic review and meta-analysis of randomized controlled trials. Crit Rev Food Sci Nutr 2021; 62:7561-7575. [PMID: 33998914 DOI: 10.1080/10408398.2021.1915743] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
Abstract
BACKGROUND Although a large body of literature reported the beneficial effects of omega-3 fatty acids (omega-3 FAs) consumption on adipokines levels, but recent findings from clinical trials are not univocal. The aim of this systematic review and meta-analysis was to evaluate the effect of omega-3 FAs supplements on adipokines. METHODS We searched Medline, Web of Science, Scopus, Embase, and Cochrane Library from inception to August 2020 without any particular language limitations. Outcomes were summarized as standardized mean difference (SMD) with 95% confidence intervals (CIs) estimated from Hedge's g and random effects modeling. RESULTS Fifty-two trials involving 4,568 participants were included. Omega-3 FAs intake was associated with a significant increase in plasma adiponectin levels (n = 43; 3,434 participants; SMD: 0.21, 95% CI: 0.04, 0.37; p = 0.01; I2= 80.14%). This meta-analysis indicates that supplementing participants with omega-3 fatty acids more than 2000 mg daily and more than 10 weeks resulted in a significant and more favorable improvement in plasma adiponectin levels. However, omega-3 FAs intake had no significant effect on leptin levels (SMD: -0.02, 95% CI: -0.20, 0.17, I2= 54.13%). CONCLUSION The evidence supports a beneficial effect of omega-3 FAs intake on serum adiponectin levels but does not appear to impact on leptin concentrations. Larger well-designed RCTs are still required to evaluate the effect of omega-3 FAs on leptin in specific diseases.
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Affiliation(s)
- Mahdi Sepidarkish
- Department of Biostatistics and Epidemiology, School of Public Health, Babol University of Medical Sciences, Babol, Iran
| | - Gholamreza Rezamand
- Colorectal Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Mostafa Qorbani
- Non-communicable Diseases Research Center, Alborz University of Medical Sciences, Karaj, Iran.,Chronic Diseases Research Center, Endocrinology and Metabolism Population Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Hafez Heydari
- Cellular and Molecular Research Center, Sabzevar University of Medical Sciences, Sabzevar, Iran
| | - M Dulce Estêvão
- Universidade do Algarve, Escola Superior de Saúde, Campus de Gambelas, Faro, Portugal
| | - Dalia Omran
- Department of Endemic Medicine and Hepatology, Thabet hospital for Endemic diseases, Faculty of Medicine, Cairo University, Cairo, Egypt
| | - Mojgan Morvaridzadeh
- Department of Nutritional Science, School of Nutritional Science and Food Technology, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Darren M Roffey
- Vancouver General Hospital, Vancouver Coastal Health, Vancouver, Canada
| | - Farnaz Farsi
- Student Research Committee, Department of Nutrition, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | - Sara Ebrahimi
- Institute for Physical Activity and Nutrition, School of Exercise and Nutrition Sciences, Deakin University, Geelong, Australia
| | - Fatemeh Shokri
- Department of Health Education and Promotion, Iran University of Medical Sciences, Tehran, Iran
| | - Javad Heshmati
- Department of Nutritional Science, School of Nutritional Science and Food Technology, Kermanshah University of Medical Sciences, Kermanshah, Iran
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Verduci E, Calcaterra V, Di Profio E, Fiore G, Rey F, Magenes VC, Todisco CF, Carelli S, Zuccotti GV. Brown Adipose Tissue: New Challenges for Prevention of Childhood Obesity. A Narrative Review. Nutrients 2021; 13:nu13051450. [PMID: 33923364 PMCID: PMC8145569 DOI: 10.3390/nu13051450] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 04/14/2021] [Accepted: 04/21/2021] [Indexed: 02/06/2023] Open
Abstract
Pediatric obesity remains a challenge in modern society. Recently, research has focused on the role of the brown adipose tissue (BAT) as a potential target of intervention. In this review, we revised preclinical and clinical works on factors that may promote BAT or browning of white adipose tissue (WAT) from fetal age to adolescence. Maternal lifestyle, type of breastfeeding and healthy microbiota can affect the thermogenic activity of BAT. Environmental factors such as exposure to cold or physical activity also play a role in promoting and activating BAT. Most of the evidence is preclinical, although in clinic there is some evidence on the role of omega-3 PUFAs (EPA and DHA) supplementation on BAT activation. Clinical studies are needed to dissect the early factors and their modulation to allow proper BAT development and functions and to prevent onset of childhood obesity.
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Affiliation(s)
- Elvira Verduci
- Department of Health Sciences, University of Milan, 20146 Milan, Italy
- Department of Pediatrics, Vittore Buzzi Children’s Hospital, University of Milan, 20154 Milan, Italy; (V.C.); (E.D.P.); (G.F.); (V.C.M.); (C.F.T.); (G.V.Z.)
- Correspondence: (E.V.); (S.C.)
| | - Valeria Calcaterra
- Department of Pediatrics, Vittore Buzzi Children’s Hospital, University of Milan, 20154 Milan, Italy; (V.C.); (E.D.P.); (G.F.); (V.C.M.); (C.F.T.); (G.V.Z.)
- Pediatric and Adolescent Unit, Department of Internal Medicine, University of Pavia, 27100 Pavia, Italy
| | - Elisabetta Di Profio
- Department of Pediatrics, Vittore Buzzi Children’s Hospital, University of Milan, 20154 Milan, Italy; (V.C.); (E.D.P.); (G.F.); (V.C.M.); (C.F.T.); (G.V.Z.)
- Department of Animal Sciences for Health, Animal Production and Food Safety, University of Milan, 20133 Milan, Italy
| | - Giulia Fiore
- Department of Pediatrics, Vittore Buzzi Children’s Hospital, University of Milan, 20154 Milan, Italy; (V.C.); (E.D.P.); (G.F.); (V.C.M.); (C.F.T.); (G.V.Z.)
| | - Federica Rey
- Department of Biomedical and Clinical Sciences “L. Sacco”, University of Milan, 20157 Milan, Italy;
- Pediatric Clinical Research Center Fondazione Romeo ed Enrica Invernizzi, University of Milan, 20157 Milan, Italy
| | - Vittoria Carlotta Magenes
- Department of Pediatrics, Vittore Buzzi Children’s Hospital, University of Milan, 20154 Milan, Italy; (V.C.); (E.D.P.); (G.F.); (V.C.M.); (C.F.T.); (G.V.Z.)
| | - Carolina Federica Todisco
- Department of Pediatrics, Vittore Buzzi Children’s Hospital, University of Milan, 20154 Milan, Italy; (V.C.); (E.D.P.); (G.F.); (V.C.M.); (C.F.T.); (G.V.Z.)
| | - Stephana Carelli
- Department of Biomedical and Clinical Sciences “L. Sacco”, University of Milan, 20157 Milan, Italy;
- Pediatric Clinical Research Center Fondazione Romeo ed Enrica Invernizzi, University of Milan, 20157 Milan, Italy
- Correspondence: (E.V.); (S.C.)
| | - Gian Vincenzo Zuccotti
- Department of Pediatrics, Vittore Buzzi Children’s Hospital, University of Milan, 20154 Milan, Italy; (V.C.); (E.D.P.); (G.F.); (V.C.M.); (C.F.T.); (G.V.Z.)
- Department of Biomedical and Clinical Sciences “L. Sacco”, University of Milan, 20157 Milan, Italy;
- Pediatric Clinical Research Center Fondazione Romeo ed Enrica Invernizzi, University of Milan, 20157 Milan, Italy
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Yang F, Zhou N, Zhu X, Min C, Zhou W, Li X. n-3 PUFAs protect against adiposity and fatty liver by promoting browning in postnatally overfed male rats: a role for NRG4. J Nutr Biochem 2021; 93:108628. [PMID: 33705952 DOI: 10.1016/j.jnutbio.2021.108628] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2019] [Revised: 12/05/2020] [Accepted: 02/02/2021] [Indexed: 02/06/2023]
Abstract
Early-life nutrition plays an important role in regulating adult metabolism. This study evaluated the effects of early nutrition during the suckling and postweaning periods on expression of the adipocytokine Neuregulin 4 (Nrg4) and its relationship with nonalcoholic fatty liver disease (NAFLD) in adulthood. In vivo, male rats were adjusted to litter sizes of three (small litter, SL) or ten (normal litter, NL) on postnatal day 3. Pups were fed control chow (NL and SL groups) or a high-fat diet (NL-HF and SL-HF groups), and SL pups specifically were fed a fish oil diet rich in n-3 polyunsaturated fatty acids (n-3 PUFAs) (SL-FO group), from postnatal weeks 3 to 13. The results demonstrated that postnatal overnutrition increased weight, hepatic de novo lipogenesis (DNL) gene expression and NAFLD and decreased body temperature and Nrg4, Ucp1 and Pgc1a mRNA expression in adipose tissues in SL, SL-HF and NL-HF rats compared to NL rats in adulthood. The opposite trends were observed in SL-FO rats. Moreover, in vitro, recombinant NRG4 protein reduced lipid accumulation by inhibiting DNL gene expression in fatty HepG2 cells stimulated with sodium oleate. In HPAs, eicosapentaenoic acid (EPA) treatment elevated NRG4 production and caused adipocyte browning, and these effects were abrogated by PPARG antagonism. In conclusion, a postweaning n-3 PUFA diet enhanced Nrg4 expression in adipose tissues, associated with attenuation of NAFLD induced by SL rearing. Additionally, external NRG4 reduced lipogenesis in steatotic hepatocytes. Thus, white adipose tissue browning induced by n-3 PUFAs may promote NRG4 production through the PPARG pathway.
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Affiliation(s)
- Fan Yang
- Department of Child Health Care, Children's Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Nan Zhou
- Department of Child Health Care, Children's Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Xiaolei Zhu
- Department of Child Health Care, Children's Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Cuiting Min
- Department of Child Health Care, Children's Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Wei Zhou
- Department of Child Health Care, Children's Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China
| | - Xiaonan Li
- Department of Child Health Care, Children's Hospital of Nanjing Medical University, Nanjing, Jiangsu Province, China; Institute of Pediatric Research, Nanjing Medical University, Nanjing, Jiangsu Province, China.
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Turck D, Castenmiller J, De Henauw S, Hirsch‐Ernst KI, Kearney J, Maciuk A, Mangelsdorf I, McArdle HJ, Naska A, Pelaez C, Pentieva K, Siani A, Thies F, Tsabouri S, Vinceti M, Cubadda F, Frenzel T, Heinonen M, Marchelli R, Neuhäuser‐Berthold M, Poulsen M, Maradona MP, Schlatter JR, van Loveren H, Turla E, Knutsen HK. Safety of oil from Schizochytrium limacinum (strain FCC-3204) for use in food supplements as a novel food pursuant to Regulation (EU) 2015/2283. EFSA J 2021; 19:e06345. [PMID: 33505527 PMCID: PMC7814402 DOI: 10.2903/j.efsa.2021.6345] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022] Open
Abstract
Following a request from the European Commission, the EFSA Panel on Nutrition, Novel Foods and Food Allergens (NDA) was asked to deliver an opinion on the safety of Schizochytrium sp. oil as a novel food (NF) pursuant to Regulation (EU) 2015/2283. Schizochytrium sp. is a single-cell microalga. The strain FCC-3204, used by the applicant (Fermentalg), belongs to the species Schizochytrium limacinum. The NF, an oil rich in docosahexaenoic acid (DHA), is obtained from microalgae after enzymatic lysis. The applicant proposed to increase the use level of the NF as a food supplement, from 250 mg DHA/day (currently authorised for the general population, excluding pregnant and lactating women) to 3 g DHA/day for adults, excluding pregnant and lactating women. S. limacinum was attributed the qualified presumption of safety (QPS) status with the qualification 'for production purposes only'. Data provided by the applicant demonstrated the absence of viable cells in the NF. No toxicological studies were performed with the NF. However, based on the available toxicological data on oils derived from Schizochytrium sp., the QPS status of the source of the NF, the production process, the composition of the NF and the absence of viable cells in the NF, the Panel considers there are no concerns with regard to toxicity of the NF. The Panel considers that the data provided by the applicant are not sufficient to conclude on the safety of the NF at the proposed uses (3 g DHA/day as a food supplement) in adults. However, in 2012, the Panel concluded that supplemental intakes of DHA alone up to about 1 g/day do not raise safety concerns for the general population. The Panel concludes that the NF is safe for the use in food supplements at the maximum intake level of 1 g DHA/day for the target population (adults, excluding pregnant and lactating women).
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Ávila-Gandía V, Torregrosa-García A, Luque-Rubia AJ, Abellán-Ruiz MS, Victoria-Montesinos D, López-Román FJ. Re-esterified DHA improves ventilatory threshold 2 in competitive amateur cyclists. J Int Soc Sports Nutr 2020; 17:51. [PMID: 33087145 PMCID: PMC7580004 DOI: 10.1186/s12970-020-00379-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/09/2019] [Accepted: 09/22/2020] [Indexed: 11/10/2022] Open
Abstract
Background Fish oils were studied as ergogenic aids in a number of mixed physical trial designs showing promising results. However, the heterogeneous purity of the studied supplements, combined with the variety of physical tests employed call for more studies to confirm these findings, ideally with standardised supplements. Our aim was to test a supplement highly concentrated in DHA (DHA:EPA ratio equal to approximately 8:1) on a maximal cycling test to elucidate performance improvements mainly due to DHA. Methods A double-blind, placebo controlled, randomised balanced, parallel design, in competitive amateur cyclists was employed. They were all male, older than 18 years old, with training routine of 2 to 4 sessions per week lasting at least one hour each. A ramp cycling test to exhaustion with a subsequent 5 min recovery phase was employed before and after treatment to analyse aerobic metabolism and lactate clearance after the bout. After 30 days of supplementation with 975 mg of re-esterified DHA, the thirty-eight cyclist who completed the study were finally included for statistical analysis. Results Mean power output at ventilatory threshold 2 (VT2) improved after DHA supplementation both as absolute (△DHA versus △PLA: 6.33–26.54 Watts; CI 95%) and relative (p=0.006) values, paralleled with higher oxygen consumption at VT2 both for absolute (DHA 2729.4 ±304.5, 3045.9 ±335.0; PLA 2792.3 ±339.5, 2845.5 ±357.1; ml·min−1 baseline versus post p=0.025) and relative values (DHA 36.6 ±5.0, 41.2 ±5.4; PLA 37.2 ±5.7, 38.1 ±5.2; ml·kg−1·min−1 baseline versus post p=0.024). Heart rate recovery rate improved during the recovery phase in the DHA group compared to PLA (p=0.005). Conclusion DHA is capable of improving mean power output at the ventilatory threshold 2 (anaerobic ventilatory threshold) in amateur competitive cyclists. It is unclear if these findings are the result of the specific DHA supplement blend or another factor.
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Affiliation(s)
- Vicente Ávila-Gandía
- Sports Physiology department, San Antonio Catholic University of Murcia (UCAM), Avenida de los Jerónimos, 135, Guadalupe (Murcia), 30107, Spain
| | - Antonio Torregrosa-García
- Sports Physiology department, San Antonio Catholic University of Murcia (UCAM), Avenida de los Jerónimos, 135, Guadalupe (Murcia), 30107, Spain.
| | - Antonio J Luque-Rubia
- Sports Physiology department, San Antonio Catholic University of Murcia (UCAM), Avenida de los Jerónimos, 135, Guadalupe (Murcia), 30107, Spain
| | - María Salud Abellán-Ruiz
- Sports Physiology department, San Antonio Catholic University of Murcia (UCAM), Avenida de los Jerónimos, 135, Guadalupe (Murcia), 30107, Spain
| | - Desirée Victoria-Montesinos
- Sports Physiology department, San Antonio Catholic University of Murcia (UCAM), Avenida de los Jerónimos, 135, Guadalupe (Murcia), 30107, Spain
| | - F Javier López-Román
- Sports Physiology department, San Antonio Catholic University of Murcia (UCAM), Avenida de los Jerónimos, 135, Guadalupe (Murcia), 30107, Spain.,Biomedical Research Institute of Murcia (IMIB-Arrixaca), Murcia, 30120, Spain
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Kalupahana NS, Goonapienuwala BL, Moustaid-Moussa N. Omega-3 Fatty Acids and Adipose Tissue: Inflammation and Browning. Annu Rev Nutr 2020; 40:25-49. [DOI: 10.1146/annurev-nutr-122319-034142] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
White adipose tissue (WAT) and brown adipose tissue (BAT) are involved in whole-body energy homeostasis and metabolic regulation. Changes to mass and function of these tissues impact glucose homeostasis and whole-body energy balance during development of obesity, weight loss, and subsequent weight regain. Omega-3 polyunsaturated fatty acids (ω-3 PUFAs), which have known hypotriglyceridemic and cardioprotective effects, can also impact WAT and BAT function. In rodent models, these fatty acids alleviate obesity-associated WAT inflammation, improve energy metabolism, and increase thermogenic markers in BAT. Emerging evidence suggests that ω-3 PUFAs can also modulate gut microbiota impacting WAT function and adiposity. This review discusses molecular mechanisms, implications of these findings, translation to humans, and future work, especially with reference to the potential of these fatty acids in weight loss maintenance.
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Affiliation(s)
- Nishan Sudheera Kalupahana
- Department of Physiology, Faculty of Medicine, University of Peradeniya, Peradeniya, 20400, Sri Lanka
- Department of Nutritional Sciences and Obesity Research Institute, Texas Tech University, Lubbock, Texas 79409-1270, USA;,
| | - Bimba Lakmini Goonapienuwala
- Department of Nutritional Sciences and Obesity Research Institute, Texas Tech University, Lubbock, Texas 79409-1270, USA;,
| | - Naima Moustaid-Moussa
- Department of Nutritional Sciences and Obesity Research Institute, Texas Tech University, Lubbock, Texas 79409-1270, USA;,
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The effects of omega-3 fatty acid supplementation on inflammatory factors in HIV-infected patients: A systematic review and meta-analysis of randomized clinical trials. Cytokine 2020; 136:155298. [PMID: 32977239 DOI: 10.1016/j.cyto.2020.155298] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2020] [Revised: 08/17/2020] [Accepted: 09/11/2020] [Indexed: 12/19/2022]
Abstract
High concentrations of C-reactive protein (CRP) and inflammatory markers are common in human immunodeficiency virus (HIV)-infected patients and are associated with non-HIV related comorbidity and mortality. Data on the benefits of omega-3 fatty acid (omega-3 FA) supplementation for improving inflammation status in HIV-infected patients are controversial. Thus, we conducted a systematic review and meta-analysis on the beneficial effects of omega-3 FAs on controlling inflammation in HIV-infected patients. We conducted a comprehensive search of the major biomedical databases, including PubMed, EMBASE, Scopus, Web of Science and Cochrane library, for all potentially relevant studies published without restriction from the beginning of time to June 2020. Overall, nine RCTs were included comprising a total of 427 participants. A random-effects model was used to calculate 95% confidence intervals (CI) and the effect was measured as standardized mean difference (SMD). Supplementation of omega-3 FAs showed a significant reduction of CRP (SMD: -0.27, 95% CI: -0.48 to -0.07, P = 0.007). There was no significant difference in levels of TNF-α (SMD: 0.03, 95% CI: -0.79 to 0.85, P = 0.94, I2 = 87%) and IL-6 (SMD: -0.13, 95% CI: -0.59 to 0.32, P = 0.57, I2 = 73%, Fig. 3). The results indicate that the supplementation of omega-3 FAs in HIV-infected patients significantly decreases serum CRP levels when compared to the control group, however has no significant effect on IL-6 and TNF-α levels.
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Vors C, Allaire J, Mejia SB, Khan TA, Sievenpiper JL, Lamarche B. Comparing the Effects of Docosahexaenoic and Eicosapentaenoic Acids on Inflammation Markers Using Pairwise and Network Meta-Analyses of Randomized Controlled Trials. Adv Nutr 2020; 12:128-140. [PMID: 32790827 PMCID: PMC7850108 DOI: 10.1093/advances/nmaa086] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 04/14/2020] [Accepted: 06/24/2020] [Indexed: 12/14/2022] Open
Abstract
Recent data from randomized clinical trials (RCTs) suggest that DHA may have stronger anti-inflammatory effects than EPA. This body of evidence has not yet been quantitatively reviewed. The aim of this study was to compare the effect of DHA and EPA on several markers of systemic inflammation by pairwise and network meta-analyses of RCTs. MEDLINE, EMBASE, and The Cochrane Library were searched through to September 2019. We included RCTs of ≥7 d on adults regardless of health status that directly compared the effects of DHA with EPA and RCTs of indirect comparisons, in which the effects of DHA or EPA were compared individually to a control fatty acid. Differences in circulating concentrations of C-reactive protein (CRP), interleukin-6 (IL-6), tumor necrosis factor-alpha (TNF-α) and adiponectin were the primary outcome measures. Data were pooled by pairwise and network meta-analysis and expressed as mean differences (MDs) with 95% CIs. Heterogeneity was assessed (Cochran Q statistic) and quantified (I2 statistic) in the pairwise meta-analysis. Inconsistency and transitivity were evaluated in the network meta-analysis. The certainty of evidence was assessed using the GRADE (Grading of Recommendations Assessment, Development, and Evaluation) approach. Eligibility criteria were met by 5 RCTs (N = 411) for the pairwise meta-analysis and 20 RCTs (N = 1231) for the network meta-analysis. In the pairwise meta-analysis, DHA and EPA had similar effects on plasma CRP [MDDHA versus EPA = 0.14 mg/L (95% CI: -0.57, 0.85); I2 = 61%], IL-6 [MDDHA versus EPA = 0.10 pg/mL (-0.15, 0.34); I2 = 40%], and TNF-α [MDDHA versus EPA = -0.10 pg/mL (-0.37, 0.18); I2 = 40%]. In the network meta-analysis, the effects of DHA and EPA on plasma CRP [MDDHA versus EPA = -0.33 mg/L (-0.75, 0.10)], IL-6 [MDDHA versus EPA = 0.09 pg/mL (-0.12, 0.30)], and TNF-α [MDDHA versus EPA = -0.02 pg/mL (-0.25, 0.20)] were also similar. DHA and EPA had similar effects on plasma adiponectin in the network meta-analysis. Results from pairwise and network meta-analyses suggest that supplementation with either DHA or EPA does not differentially modify systemic markers of subclinical inflammation.
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Affiliation(s)
- Cécile Vors
- Centre Nutrition, Santé et Société (NUTRISS), Institut sur la Nutrition et les Aliments Fonctionnels (INAF), Laval University, Quebec City, Canada
| | - Janie Allaire
- Centre Nutrition, Santé et Société (NUTRISS), Institut sur la Nutrition et les Aliments Fonctionnels (INAF), Laval University, Quebec City, Canada
| | - Sonia Blanco Mejia
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, Canada,Toronto 3D Knowledge Synthesis and Clinical Trials Unit, Risk Factor Modification Center, St. Michael's Hospital, Toronto, Canada
| | - Tauseef A Khan
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, Canada,Toronto 3D Knowledge Synthesis and Clinical Trials Unit, Risk Factor Modification Center, St. Michael's Hospital, Toronto, Canada
| | - John L Sievenpiper
- Department of Nutritional Sciences, Faculty of Medicine, University of Toronto, Toronto, Canada,Toronto 3D Knowledge Synthesis and Clinical Trials Unit, Risk Factor Modification Center, St. Michael's Hospital, Toronto, Canada,Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, Canada,Division of Endocrinology and Metabolism, St. Michael's Hospital, Toronto, Canada,Department of Medicine, Faculty of Medicine, University of Toronto, Toronto, Canada
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Effect of Omega-3 Polyunsaturated Fatty Acids Treatment on Lipid Pattern of HIV Patients: A Meta-Analysis of Randomized Clinical Trials. Mar Drugs 2020; 18:md18060292. [PMID: 32492789 PMCID: PMC7345035 DOI: 10.3390/md18060292] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2020] [Revised: 05/20/2020] [Accepted: 05/25/2020] [Indexed: 12/29/2022] Open
Abstract
Even though omega-3 polyunsaturated fatty acids (PUFAs) seem to be effective in the treatment of human immunodeficiency virus (HIV)-associated dyslipidemia, their impact is still debated. For this reason, our aim was to perform a meta-analysis of the clinical evidence available to date. A systematic literature search was conducted in order to identify published clinical trials assessing the effect of PUFAs treatment on serum lipoproteins, and its safety profile. The effect sizes for lipid changes were expressed as mean difference (MD) and 95% confidence interval (CI). For safety analysis, odd ratios and the 95% CI were calculated with the Mantel-Haenszel method. Data were pooled from nine clinical studies comprising overall 578 HIV-affected subjects. Meta-analysis of the data suggested that omega-3 PUFAs significantly reduced triglycerides (TG) (MD = -1.04, 95% CI: -1.5, -0.58 mmol/L, p < 0.001), while increasing high-density lipoprotein cholesterol (MD = 0.36, 95% CI: 0.12, 0.61 mmol/L, p = 0.004), without affecting serum levels of total cholesterol, very-low- and low-density lipoprotein cholesterol, and apolipoprotein B and A1. Change in TG was significantly associated with eicosapentaenoic acid administered via daily dose. PUFA treatment did not lead to an increased risk of adverse events. In conclusion, PUFAs are safe and exert a significant plasma lipid improving effect in HIV-positive patients.
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Radzikowska U, Rinaldi AO, Çelebi Sözener Z, Karaguzel D, Wojcik M, Cypryk K, Akdis M, Akdis CA, Sokolowska M. The Influence of Dietary Fatty Acids on Immune Responses. Nutrients 2019; 11:E2990. [PMID: 31817726 PMCID: PMC6950146 DOI: 10.3390/nu11122990] [Citation(s) in RCA: 154] [Impact Index Per Article: 30.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2019] [Revised: 11/25/2019] [Accepted: 12/02/2019] [Indexed: 12/16/2022] Open
Abstract
Diet-derived fatty acids (FAs) are essential sources of energy and fundamental structural components of cells. They also play important roles in the modulation of immune responses in health and disease. Saturated and unsaturated FAs influence the effector and regulatory functions of innate and adaptive immune cells by changing membrane composition and fluidity and by acting through specific receptors. Impaired balance of saturated/unsaturated FAs, as well as n-6/n-3 polyunsaturated FAs has significant consequences on immune system homeostasis, contributing to the development of many allergic, autoimmune, and metabolic diseases. In this paper, we discuss up-to-date knowledge and the clinical relevance of the influence of dietary FAs on the biology, homeostasis, and functions of epithelial cells, macrophages, dendritic cells, neutrophils, innate lymphoid cells, T cells and B cells. Additionally, we review the effects of dietary FAs on the pathogenesis of many diseases, including asthma, allergic rhinitis, food allergy, atopic dermatitis, rheumatoid arthritis, multiple sclerosis as well as type 1 and 2 diabetes.
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Affiliation(s)
- Urszula Radzikowska
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, 7265 Davos Wolfgang, Switzerland
- Christine Kühne-Center for Allergy Research and Education, 7265 Davos Wolfgang, Switzerland
- Department of Regenerative Medicine and Immune Regulation, Medical University of Bialystok, 15-269 Bialystok, Poland
| | - Arturo O Rinaldi
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, 7265 Davos Wolfgang, Switzerland
- Christine Kühne-Center for Allergy Research and Education, 7265 Davos Wolfgang, Switzerland
| | - Zeynep Çelebi Sözener
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, 7265 Davos Wolfgang, Switzerland
- Department of Chest Disease, Division of Allergy and Clinical Immunology, Ankara University School of Medicine, 06100 Ankara, Turkey
| | - Dilara Karaguzel
- Department of Biology, Faculty of Science, Hacettepe University, 06800 Ankara, Turkey
| | - Marzena Wojcik
- Department of Structural Biology, Medical University of Lodz, 90-752 Lodz, Poland
| | - Katarzyna Cypryk
- Department of Internal Medicine and Diabetology, Medical University of Lodz, 90-549 Lodz, Poland
| | - Mübeccel Akdis
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, 7265 Davos Wolfgang, Switzerland
| | - Cezmi A Akdis
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, 7265 Davos Wolfgang, Switzerland
- Christine Kühne-Center for Allergy Research and Education, 7265 Davos Wolfgang, Switzerland
| | - Milena Sokolowska
- Swiss Institute of Allergy and Asthma Research (SIAF), University of Zurich, 7265 Davos Wolfgang, Switzerland
- Christine Kühne-Center for Allergy Research and Education, 7265 Davos Wolfgang, Switzerland
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