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Yi K, An L, Qi Y, Yang T, Duan Y, Zhao X, Zhang P, Huang X, Su X, Tang Z, Sun D. Docosahexaenoic acid (DHA) promotes recovery from postoperative ileus and the repair of the injured intestinal barrier through mast cell-nerve crosstalk. Int Immunopharmacol 2024; 136:112316. [PMID: 38823183 DOI: 10.1016/j.intimp.2024.112316] [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] [Received: 02/11/2024] [Revised: 03/31/2024] [Accepted: 05/19/2024] [Indexed: 06/03/2024]
Abstract
The objective of this study was to investigate the neuroimmune mechanisms implicated in the enhancement of gastrointestinal function through the administration of oral DHA. Mast cell-deficient mice (KitW-sh) and C57BL/6 mice were used to establish postoperative ileus (POI) models. To further validate our findings, we conducted noncontact coculture experiments involving dorsal root ganglion (DRG) cells, bone marrow-derived mast cells (BMMCs) and T84 cells. Furthermore, the results obtained from investigations conducted on animals and cells were subsequently validated through clinical trials. The administration of oral DHA had ameliorative effects on intestinal barrier injury and postoperative ileus. In a mechanistic manner, the anti-inflammatory effect of DHA was achieved through the activation of transient receptor potential ankyrin 1 (TRPA1) on DRG cells, resulting in the stabilization of mast cells and increasing interleukin 10 (IL-10) secretion in mast cells. Furthermore, the activation of the pro-repair WNT1-inducible signaling protein 1 (WISP-1) signaling pathways by mast cell-derived IL-10 resulted in an enhancement of the intestinal barrier integrity. The current study demonstrated that the neuroimmune interaction between mast cells and nerves played a crucial role in the process of oral DHA improving the intestinal barrier integrity of POI, which further triggered the activation of CREB/WISP-1 signaling in intestinal mucosal cells.
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Affiliation(s)
- Keqian Yi
- Department of Gastrointestinal Surgery, Second Affiliated Hospital of Kunming Medical University/Second Faculty of Clinical Medicine, Kunming Medical University, Kunming 650101, China
| | - Liya An
- Department of Gastrointestinal Surgery, Second Affiliated Hospital of Kunming Medical University/Second Faculty of Clinical Medicine, Kunming Medical University, Kunming 650101, China
| | - Yuxing Qi
- Department of Gastrointestinal Surgery, Second Affiliated Hospital of Kunming Medical University/Second Faculty of Clinical Medicine, Kunming Medical University, Kunming 650101, China
| | - Ting Yang
- Department of Gastrointestinal Surgery, Second Affiliated Hospital of Kunming Medical University/Second Faculty of Clinical Medicine, Kunming Medical University, Kunming 650101, China
| | - Yongqing Duan
- Department of Gastrointestinal Surgery, Second Affiliated Hospital of Kunming Medical University/Second Faculty of Clinical Medicine, Kunming Medical University, Kunming 650101, China
| | - Xiaohu Zhao
- Department of Medicine, Monash University, Clayton, Victoria 3168, Australia
| | - Pengcheng Zhang
- Department of Gastrointestinal Surgery, Second Affiliated Hospital of Kunming Medical University/Second Faculty of Clinical Medicine, Kunming Medical University, Kunming 650101, China
| | - Xingzong Huang
- Department of Gastrointestinal Surgery, Second Affiliated Hospital of Kunming Medical University/Second Faculty of Clinical Medicine, Kunming Medical University, Kunming 650101, China
| | - Xianming Su
- Department of Gastrointestinal Surgery, Second Affiliated Hospital of Kunming Medical University/Second Faculty of Clinical Medicine, Kunming Medical University, Kunming 650101, China
| | - Zhiyi Tang
- Department of Gastroenterology, Second Affiliated Hospital of Kunming Medical University/Second Faculty of Clinical Medicine, Kunming Medical University, Kunming 650101, China.
| | - Dali Sun
- Department of Gastrointestinal Surgery, Second Affiliated Hospital of Kunming Medical University/Second Faculty of Clinical Medicine, Kunming Medical University, Kunming 650101, China.
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Cao M, Yang F, McClements DJ, Guo Y, Liu R, Chang M, Wei W, Jin J, Wang X. Impact of dietary n-6/n-3 fatty acid ratio of atherosclerosis risk: A review. Prog Lipid Res 2024:101289. [PMID: 38986846 DOI: 10.1016/j.plipres.2024.101289] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2024] [Revised: 07/04/2024] [Accepted: 07/07/2024] [Indexed: 07/12/2024]
Abstract
Atherosclerosis is a causative factor associated with cardiovascular disease (CVD). Over the past few decades, extensive research has been carried out on the relationship between the n-6/n-3 fatty acid ratio of ingested lipids and the progression of atherosclerosis. However, there are still many uncertainties regarding the precise nature of this relationship, which has led to challenges in providing sound dietary advice to the general public. There is therefore a pressing need to review our current understanding of the relationship between the dietary n-6/n-3 fatty acid ratio and atherosclerosis, and to summarize the underlying factors contributing to the current uncertainties. Initially, this article reviews the association between the n-6/n-3 fatty acid ratio and CVDs in different countries. A summary of the current understanding of the molecular mechanisms of n-6/n-3 fatty acid ratio on atherosclerosis is then given, including inflammatory responses, lipid metabolism, low-density lipoprotein cholesterol oxidation, and vascular function. Possible reasons behind the current controversies on the relationship between the n-6/n-3 fatty acid ratio and atherosclerosis are then provided, including the precise molecular structures of the fatty acids, diet-gene interactions, the role of fat-soluble phytochemicals, and the impact of other nutritional factors. An important objective of this article is to highlight areas where further research is needed to clarify the role of n-6/n-3 fatty acid ratio on atherosclerosis.
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Affiliation(s)
- Minjie Cao
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, China; Department of Food Science, University of Massachusetts Amherst, Amherst, MA 01003, USA; Collaborative Innovation Centre of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Fangwei Yang
- College of Light Industry and Food Engineering, Nanjing Forestry University, No.159 Longpan Road, Xuanwu District, Nanjing, China
| | | | - Yiwen Guo
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, China; Collaborative Innovation Centre of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Ruijie Liu
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, China; Collaborative Innovation Centre of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Ming Chang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, China; Collaborative Innovation Centre of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Wei Wei
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, China; Collaborative Innovation Centre of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Jun Jin
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, China; Collaborative Innovation Centre of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Xingguo Wang
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, China; Collaborative Innovation Centre of Food Safety and Quality Control in Jiangsu Province, School of Food Science and Technology, Jiangnan University, Wuxi, China.
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Strekalova T, Radford-Smith D, Dunstan IK, Gorlova A, Svirin E, Sheveleva E, Burova A, Morozov S, Lyundup A, Berger G, Anthony DC, Walitza S. Omega-3 alleviates behavioral and molecular changes in a mouse model of stress-induced juvenile depression. Neurobiol Stress 2024; 31:100646. [PMID: 38912378 PMCID: PMC11190747 DOI: 10.1016/j.ynstr.2024.100646] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2023] [Revised: 04/29/2024] [Accepted: 05/19/2024] [Indexed: 06/25/2024] Open
Abstract
Introduction Depression is increasingly diagnosed in adolescence, necessitating specific prevention and treatment methods. However, there is a lack of animal models mimicking juvenile depression. This study explores a novel model using ultrasound (US) stress in juvenile mice. Methods We employed the US stress model in one-month-old C57/BL6 mice, exposing them to alternating ultrasound frequencies (20-25 kHz and 25-45 kHz) for three weeks. These frequencies correspond to negative and neutral emotional states in rodents and can induce a depressive-like syndrome. Concurrently, mice received either an omega-3 food supplement (FS) containing eicosapentaenoic acid (EPA; 0.55 mg/kg/day) and docosahexaenoic acid (DHA; 0.55 mg/kg/day) or a vehicle. Post-stress, we evaluated anxiety- and depressive-like behaviors, blood corticosterone levels, brain expression of pro-inflammatory cytokines, and conducted metabolome analysis of brain, liver and blood plasma. Results US-exposed mice treated with vehicle exhibited decreased sucrose preference, a sign of anhedonia, a key feature of depression, increased anxiety-like behavior, elevated corticosterone levels, and enhanced TNF and IL-1β gene expression in the brain. In contrast, US-FS mice did not display these changes. Omega-3 supplementation also reduced anxiety-like behavior in non-stressed mice. Metabolomic analysis revealed US-induced changes in brain energy metabolism, with FS increasing brain sphingomyelin. Liver metabolism was affected by both US and FS, while plasma metabolome changes were exclusive to FS. Brain glucose levels correlated positively with activity in anxiety tests. Conclusion Chronic omega-3 intake counteracted depressive- and anxiety-like behaviors in a US model of juvenile depression in mice. These effects likely stem from the anti-inflammatory properties of the supplement, suggesting potential therapeutic applications in juvenile depression.
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Affiliation(s)
- Tatyana Strekalova
- Department of Psychiatry and Neuropsychology, Maastricht University, Maastricht, the Netherlands
- Department of Pharmacology, Oxford University, Oxford, UK
| | | | | | - Anna Gorlova
- Laboratory of Cognitive Dysfunctions, Institute of General Pathology and Pathophysiology, Moscow, Russia
- RUDN University, 6 Miklukho-Maklaya Str, Moscow, Russia
| | - Evgeniy Svirin
- Laboratory of Cognitive Dysfunctions, Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - Elisaveta Sheveleva
- Laboratory of Cognitive Dysfunctions, Institute of General Pathology and Pathophysiology, Moscow, Russia
- Department of Normal Physiology, Sechenov Moscow State Medical University, Moscow, Russia
| | - Alisa Burova
- Laboratory of Cognitive Dysfunctions, Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - Sergey Morozov
- Laboratory of Cognitive Dysfunctions, Institute of General Pathology and Pathophysiology, Moscow, Russia
| | - Aleksey Lyundup
- RUDN University, 6 Miklukho-Maklaya Str, Moscow, Russia
- Endocrinology Research Centre, Dmitry Ulyanov str. 19, Moscow, 117036, Russia
| | - Gregor Berger
- Department of Child and Adolescent Psychiatry and Psychotherapy, University of Zuerich, Zuerich, Switzerland
| | | | - Susanne Walitza
- Department of Child and Adolescent Psychiatry and Psychotherapy, University of Zuerich, Zuerich, Switzerland
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Yang W, Dong Y, Ma X, Xie J, Mei J. Effects of multi-frequency ultrasound-assisted immersion freezing processing on myofibrillar protein structure and lipid oxidation of large yellow croaker (Larimichthys crocea) during long-time frozen storage. ULTRASONICS SONOCHEMISTRY 2024; 107:106945. [PMID: 38857567 PMCID: PMC11209630 DOI: 10.1016/j.ultsonch.2024.106945] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/31/2024] [Revised: 05/09/2024] [Accepted: 06/05/2024] [Indexed: 06/12/2024]
Abstract
In this study, large yellow croaker (Larimichthys crocea) was frozen using multi-frequency ultrasound-assisted freezing (MUIF) with different powers (160 W, 175 W, and 190 W, respectively) and stored at -18 °C for ten months. The effect of different ultrasound powers on the myofibrillar protein (MP) structures and lipid oxidation of large yellow croaker was investigated. The results showed that MUIF significantly slowed down the oxidation of MP by inhibiting carbonyl formation and maintaining high sulfhydryl contents. These treatments also held a high activity of Ca2+-ATPase in the MP. MUIF maintained a higher ratio of α-helix to β-sheet during frozen storage, thereby protecting the secondary structure of the tissue and stabilizing the tertiary structure. In addition, MUIF inhibited the production of thiobarbituric acid reactive substances value and the loss of unsaturated fatty acid content, indicating that MUIF could better inhibit lipid oxidation of large yellow croaker during long-time frozen storage.
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Affiliation(s)
- Weihao Yang
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, 201306, China
| | - Yixuan Dong
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, 201306, China
| | - Xuan Ma
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, 201306, China
| | - Jing Xie
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, 201306, China; Key Laboratory of Aquatic Products High Quality Utilization, Storage and Transportation (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, China; National Experimental Teaching Demonstration Center for Food Science and Engineering, Shanghai Ocean University, Shanghai, 201306, China; Shanghai Engineering Research Center of Aquatic Product Processing and Preservation, Shanghai, 201306, China; Shanghai Professional Technology Service Platform on Cold Chain Equipment Performance and Energy Saving Evaluation, Shanghai, 201306,China.
| | - Jun Mei
- College of Food Science and Technology, Shanghai Ocean University, Shanghai, 201306, China; Key Laboratory of Aquatic Products High Quality Utilization, Storage and Transportation (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, China; National Experimental Teaching Demonstration Center for Food Science and Engineering, Shanghai Ocean University, Shanghai, 201306, China; Shanghai Engineering Research Center of Aquatic Product Processing and Preservation, Shanghai, 201306, China; Shanghai Professional Technology Service Platform on Cold Chain Equipment Performance and Energy Saving Evaluation, Shanghai, 201306,China.
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Carnegie R, Borges MC, Jones HJ, Zheng J, Haycock P, Evans J, Martin RM. Omega-3 fatty acids and major depression: a Mendelian randomization study. Transl Psychiatry 2024; 14:222. [PMID: 38811538 PMCID: PMC11136966 DOI: 10.1038/s41398-024-02932-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/22/2022] [Revised: 05/10/2024] [Accepted: 05/15/2024] [Indexed: 05/31/2024] Open
Abstract
Omega-3 fatty acids have been implicated in the aetiology of depressive disorders, though trials supplementing omega-3 to prevent major depressive disorder (MDD) have so far been unsuccessful. Whether this association is causal remains unclear. We used two sample Mendelian randomization (MR) to investigate causality. Genetic variants associated with circulating omega-3 and omega-6 fatty acids in UK Biobank (UKBB, n = 115,078) were selected as exposures. The Psychiatric Genomics Consortium (PGC) genome-wide association studies (GWAS) of MDD (n = 430,775; cases = 116,209; controls = 314,566) and recurrent depression (rMDD, n = 80,933; cases = 17,451; controls = 62,482), were used as outcomes. Multivariable MR (MVMR) models were used to account for biologically correlated lipids, such as high- and low-density cholesterol and triglycerides, and to explore the relative importance of longer-chain omega-3 fatty acids eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) using data from the Cohorts for Heart and Aging Research in Genomic Epidemiology (CHARGE, n = 8866). Genetic colocalization analyses were used to explore the presence of a shared underlying causal variant between traits. Genetically predicted total omega-3 fatty acids reduced the odds of MDD (ORIVW 0.96 per standard deviation (SD, i.e. 0.22 mmol/l) (95% CIs 0.93-0.98, p = 0.003)). The largest point estimates were observed for eicosapentaenoic acid (EPA), a long-chain omega-3 fatty acid (OREPA 0.92; 95% CI 0.88-0.96; p = 0.0002). The effect of omega-3 fatty acids was robust to MVMR models accounting for biologically correlated lipids. 'Leave-one-out' analyses highlighted the FADS gene cluster as a key driver of the effect. Colocalization analyses suggested a shared causal variant using the primary outcome sample, but genomic confounding could not be fully excluded. This study supports a role for omega-3 fatty acids, particularly EPA, in the aetiology of depression, although pleiotropic mechanisms cannot be ruled out. The findings support guidelines highlighting the importance of EPA dose and ratio for MDD and question whether targeted interventions may be superior to universal prevention trials, as modest effect sizes will limit statistical power.
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Grants
- 212557/Z/18/Z Wellcome Trust (Wellcome)
- MR/P014054/1 RCUK | Medical Research Council (MRC)
- MC_UU_00011/1, MC_UU_00011/3, MC_UU_00011/6, and MC_UU_00011/4 RCUK | Medical Research Council (MRC)
- MC_UU_00011/1, MC_UU_00011/3, MC_UU_00011/6, and MC_UU_00011/4 RCUK | Medical Research Council (MRC)
- C18281/A29019 Cancer Research UK (CRUK)
- MC_UU_00011/1, MC_UU_00011/3, MC_UU_00011/6, and MC_UU_00011/4 RCUK | MRC | Medical Research Foundation
- MC_UU_00011/1, MC_UU_00011/3, MC_UU_00011/6, and MC_UU_00011/4 RCUK | MRC | Medical Research Foundation
- NIHR202411 DH | National Institute for Health Research (NIHR)
- NIHR Bristol Biomedical Research Centre
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Affiliation(s)
- R Carnegie
- Centre for Academic Mental Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK.
- Medical Research Centre (MRC) Integrative Epidemiology Unit (IEU), University of Bristol, Bristol, UK.
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK.
| | - M C Borges
- Medical Research Centre (MRC) Integrative Epidemiology Unit (IEU), University of Bristol, Bristol, UK
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - H J Jones
- Centre for Academic Mental Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
- Medical Research Centre (MRC) Integrative Epidemiology Unit (IEU), University of Bristol, Bristol, UK
- NIHR Biomedical Research Centre at University Hospitals Bristol and Weston NHS Foundation Trust and the University of Bristol, Bristol, UK
| | - J Zheng
- Medical Research Centre (MRC) Integrative Epidemiology Unit (IEU), University of Bristol, Bristol, UK
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - P Haycock
- Medical Research Centre (MRC) Integrative Epidemiology Unit (IEU), University of Bristol, Bristol, UK
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - J Evans
- Centre for Academic Mental Health, Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
| | - R M Martin
- Medical Research Centre (MRC) Integrative Epidemiology Unit (IEU), University of Bristol, Bristol, UK
- Population Health Sciences, Bristol Medical School, University of Bristol, Bristol, UK
- NIHR Biomedical Research Centre at University Hospitals Bristol and Weston NHS Foundation Trust and the University of Bristol, Bristol, UK
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Liu Y, Song F, Liu M, Huang X, Xue S, Zhang X, Hao H, Zhang J. Association between omega-3 polyunsaturated fatty acids and osteoarthritis: results from the NHANES 2003-2016 and Mendelian randomization study. Lipids Health Dis 2024; 23:147. [PMID: 38760818 PMCID: PMC11100232 DOI: 10.1186/s12944-024-02139-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2024] [Accepted: 05/08/2024] [Indexed: 05/19/2024] Open
Abstract
BACKGROUND Omega-3 polyunsaturated fatty acids (omega-3 PUFAs) exhibit potential as therapeutics for a variety of diseases. This observational and Mendelian randomization (MR) study aims to explore the relationship between omega-3 PUFAs and osteoarthritis (OA). METHODS Excluding individuals under 20 years old and those with missing data on relevant variables in the National Health and Nutrition Examination Survey (NHANES) spanning from 2003 to 2016, a total of 22 834 participants were included in this cross-sectional study. Weighted multivariable-adjusted logistic regression was used to estimate the association between omega-3 PUFAs and OA in adults. Moreover, restricted cubic splines were utilized to examine the dose-response relationship between omega-3 PUFAs and OA. To further investigate the potential causal relationship between omega-3 PUFAs and OA risk, a two-sample MR study was conducted. Furthermore, the robustness of the findings was assessed using various methods. RESULTS Omega-3 PUFAs intake were inversely associated with OA in adults aged 40 ∼ 59 after multivariable adjustment [Formula: see text], with a nonlinear relationship observed between omega-3 PUFAs intake and OA [Formula: see text]. The IVW results showed there was no evidence to suggest a causal relationship between omega-3 PUFAs and OA risk [Formula: see text]. CONCLUSIONS Omega-3 PUFAs were inversely associated with OA in adults aged 40 ∼ 59. However, MR studies did not confirm a causal relationship between the two.
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Affiliation(s)
- Yuxuan Liu
- School of Management, Shanxi Medical University, Jinzhong, China
| | - Feichao Song
- School of Management, Shanxi Medical University, Jinzhong, China
| | - Muchun Liu
- Academy of Medical Sciences, Shanxi Medical University, Taiyuan, China
| | - Xi Huang
- Academy of Medical Sciences, Shanxi Medical University, Taiyuan, China
| | - Shuyan Xue
- Third Clinical College, Shanxi University of Traditional Chinese Medicine, Jinzhong, China
| | - Xuanyu Zhang
- School of Management, Shanxi Medical University, Jinzhong, China
| | - Huiqin Hao
- School of Basic Medicine, Shanxi University of Traditional Chinese Medicine, Jinzhong, China
| | - Junfeng Zhang
- School of Management, Shanxi Medical University, Jinzhong, China.
- School of Basic Medicine, Shanxi University of Traditional Chinese Medicine, Jinzhong, China.
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Speckmann B, Wagner T, Jordan PM, Werz O, Wilhelm M, tom Dieck H, Schön C. Synbiotic Bacillus megaterium DSM 32963 and n-3 PUFA Salt Composition Elevates Pro-Resolving Lipid Mediator Levels in Healthy Subjects: A Randomized Controlled Study. Nutrients 2024; 16:1354. [PMID: 38732601 PMCID: PMC11085393 DOI: 10.3390/nu16091354] [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] [Received: 04/02/2024] [Revised: 04/24/2024] [Accepted: 04/26/2024] [Indexed: 05/13/2024] Open
Abstract
Beneficial health effects of omega-3 polyunsaturated fatty acids (n-3 PUFA) are partly attributed to specialized pro-resolving mediators (SPMs), which promote inflammation resolution. Strategies to improve n-3 PUFA conversion to SPMs may, therefore, be useful to treat or prevent chronic inflammatory disorders. Here, we explored a synbiotic strategy to increase circulating SPM precursor levels. Healthy participants (n = 72) received either SynΩ3 (250 mg eicosapentaenoic acid (EPA) plus docosahexaenoic acid (DHA) lysine salts; two billion CFU Bacillus megaterium; n = 23), placebo (n = 24), or fish oil (300 mg EPA plus DHA; N = 25) capsules daily for 28 days in a randomized, double-blind placebo-controlled parallel 3-group design. Biomarkers were assessed at baseline and after 2 and 28 days of intervention. The primary analysis involved the comparison between SynΩ3 and placebo. In addition, SynΩ3 was compared to fish oil. The synbiotic SynΩ3 comprising Bacillus megaterium DSM 32963 and n-3 PUFA salts significantly increased circulating SPM precursor levels, including 18-hydroxy-eicosapentaenoic acid (18-HEPE) plus 5-HEPE, which was not achieved to this extent by fish oil with a similar n-3 PUFA content. Omega-3 indices were increased slightly by both SynΩ3 and fish oil. These findings suggest reconsidering conventional n-3 PUFA supplementation and testing the effectiveness of SynΩ3 particularly in conditions related to inflammation.
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Affiliation(s)
- Bodo Speckmann
- Evonik Operations GmbH, Rodenbacher Chaussee 4, 63457 Hanau, Germany
| | - Tanja Wagner
- BioTeSys GmbH, Schelztorstrasse 54-56, 73728 Esslingen, Germany
| | - Paul M. Jordan
- Department of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Friedrich Schiller University Jena, 07743 Jena, Germany
- Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, 07743 Jena, Germany
| | - Oliver Werz
- Department of Pharmaceutical/Medicinal Chemistry, Institute of Pharmacy, Friedrich Schiller University Jena, 07743 Jena, Germany
- Jena Center for Soft Matter (JCSM), Friedrich Schiller University Jena, 07743 Jena, Germany
| | - Manfred Wilhelm
- Department of Mathematics, Natural and Economic Sciences, Ulm University of Applied Sciences, 89081 Ulm, Germany
| | - Heike tom Dieck
- Evonik Operations GmbH, Rodenbacher Chaussee 4, 63457 Hanau, Germany
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Brito M, Sorbier C, Mignet N, Boudy V, Borchard G, Vacher G. Understanding the Impact of Polyunsaturated Fatty Acids on Age-Related Macular Degeneration: A Review. Int J Mol Sci 2024; 25:4099. [PMID: 38612907 PMCID: PMC11012607 DOI: 10.3390/ijms25074099] [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] [Received: 03/01/2024] [Revised: 04/01/2024] [Accepted: 04/03/2024] [Indexed: 04/14/2024] Open
Abstract
Age-related Macular Degeneration (AMD) is a multifactorial ocular pathology that destroys the photoreceptors of the macula. Two forms are distinguished, dry and wet AMD, with different pathophysiological mechanisms. Although treatments were shown to be effective in wet AMD, they remain a heavy burden for patients and caregivers, resulting in a lack of patient compliance. For dry AMD, no real effective treatment is available in Europe. It is, therefore, essential to look for new approaches. Recently, the use of long-chain and very long-chain polyunsaturated fatty acids was identified as an interesting new therapeutic alternative. Indeed, the levels of these fatty acids, core components of photoreceptors, are significantly decreased in AMD patients. To better understand this pathology and to evaluate the efficacy of various molecules, in vitro and in vivo models reproducing the mechanisms of both types of AMD were developed. This article reviews the anatomy and the physiological aging of the retina and summarizes the clinical aspects, pathophysiological mechanisms of AMD and potential treatment strategies. In vitro and in vivo models of AMD are also presented. Finally, this manuscript focuses on the application of omega-3 fatty acids for the prevention and treatment of both types of AMD.
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Affiliation(s)
- Maëlis Brito
- Unither Développement Bordeaux, Avenue Toussaint Catros, 33185 Le Haillan, France
- Université Paris Cité, CNRS, INSERM, UTCBS, Unité de Technologies Chimiques et Biologiques pour la Santé, F-75006 Paris, France
- Département de Recherche et Développement (DRDP), Agence Générale des Equipements et Produits de Santé (AGEPS), Assistance Publique Hôpitaux de Paris (AP-HP), 7 Rue du Fer-à-Moulin, 75005 Paris, France
- Institute of Pharmaceutical Sciences of Western Switzerland (ISPSO), School of Pharmaceutical Sciences, University of Geneva, Rue Michel-Servet 1, 1206 Geneva, Switzerland
| | - Capucine Sorbier
- Unither Développement Bordeaux, Avenue Toussaint Catros, 33185 Le Haillan, France
| | - Nathalie Mignet
- Université Paris Cité, CNRS, INSERM, UTCBS, Unité de Technologies Chimiques et Biologiques pour la Santé, F-75006 Paris, France
| | - Vincent Boudy
- Université Paris Cité, CNRS, INSERM, UTCBS, Unité de Technologies Chimiques et Biologiques pour la Santé, F-75006 Paris, France
- Département de Recherche et Développement (DRDP), Agence Générale des Equipements et Produits de Santé (AGEPS), Assistance Publique Hôpitaux de Paris (AP-HP), 7 Rue du Fer-à-Moulin, 75005 Paris, France
| | - Gerrit Borchard
- Institute of Pharmaceutical Sciences of Western Switzerland (ISPSO), School of Pharmaceutical Sciences, University of Geneva, Rue Michel-Servet 1, 1206 Geneva, Switzerland
| | - Gaëlle Vacher
- Institute of Pharmaceutical Sciences of Western Switzerland (ISPSO), School of Pharmaceutical Sciences, University of Geneva, Rue Michel-Servet 1, 1206 Geneva, Switzerland
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Zhang Y, Ren E, Zhang C, Wang Y, Chen X, Li L. The protective role of oily fish intake against type 2 diabetes: insights from a genetic correlation and Mendelian randomization study. Front Nutr 2024; 11:1288886. [PMID: 38567249 PMCID: PMC10986736 DOI: 10.3389/fnut.2024.1288886] [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: 09/08/2023] [Accepted: 03/11/2024] [Indexed: 04/04/2024] Open
Abstract
Background and aims Previous research has underscored the association between oily fish intake and type 2 diabetes (T2DM), yet the causality remains elusive. Methods A bidirectional univariable Mendelian Randomization (MR) analysis was employed to evaluate the causal effects of oily fish and non-oily fish intake on T2DM. Replication analysis and meta-analysis were conducted to ensure robust results. Multivariable MR analysis was utilized to assess confounders, and further mediation MR analysis discerned mediating effects. Linkage Disequilibrium Score (LDSC) analysis was undertaken to compute genetic correlations. Inverse variance weighted (IVW) was the primary method, complemented by a series of sensitivity analyses. Results The LDSC analysis unveiled a significant genetic correlation between oily fish intake and T2DM (Genetic correlation: -0.102, p = 4.43 × 10-4). For each standard deviation (SD) increase in genetically predicted oily fish intake, the risk of T2DM was reduced by 38.6% (OR = 0.614, 95% CI 0.504 ~ 0.748, p = 1.24 × 10-6, False Discovery Rate (FDR) = 3.72 × 10-6). The meta-analysis across three data sources highlighted a persistent causal association (OR = 0.728, 95% CI 0.593 ~ 0.895, p = 0.003). No other causal effects were identified (all p > 0.5, FDR > 0.5). The main outcomes remained consistent in most sensitivity analyses. Both MVMR and mediation MR analyses emphasized the mediating roles of triglycerides (TG), body mass index (BMI), and 25-hydroxyvitamin D (25OHD) levels. Conclusion To encapsulate, there's an inverse association between oily fish intake and T2DM risk, suggesting potential benefits of oily fish intake in T2DM prevention.
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Affiliation(s)
- Youqian Zhang
- Department of Endocrinology, The First Affiliated Hospital of Yangtze University, Jingzhou, Hubei, China
- Health Science Center, Yangtze University, Jingzhou, Hubei, China
| | - Entong Ren
- Health Science Center, Yangtze University, Jingzhou, Hubei, China
- Southern Theater General Hospital, Guangzhou, Guangdong, China
| | - Chunlong Zhang
- Health Science Center, Yangtze University, Jingzhou, Hubei, China
- Department of Nursing, Renmin Hospital of Wuhan University, Wuhan, Hubei, China
| | - Yang Wang
- Department of Neurology, The Second Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Xiaohe Chen
- Health Science Center, Yangtze University, Jingzhou, Hubei, China
| | - Lin Li
- Department of Endocrinology, The First Affiliated Hospital of Yangtze University, Jingzhou, Hubei, China
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10
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Arcos D, Ng DQ, Ke Y, Toh YL, Chan A. Prediction of gastrointestinal symptoms trajectories using omega-3 and inflammatory biomarkers in early-stage breast cancer patients receiving chemotherapy. Support Care Cancer 2024; 32:76. [PMID: 38170327 PMCID: PMC10764400 DOI: 10.1007/s00520-023-08274-5] [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] [Received: 05/31/2023] [Accepted: 12/18/2023] [Indexed: 01/05/2024]
Abstract
PURPOSE Gastrointestinal (GI) symptoms are common among breast cancer patients undergoing chemotherapy, negatively impacting treatment outcomes and quality of life. Evidence points to inflammatory processes as the underlying cause of chemotherapy-associated GI symptoms. Relatedly, omega-3 (n-3) has been linked to anti-inflammatory processes. The primary objective of this study was to examine the associations between baseline n-3, baseline inflammatory markers and GI symptom progression in early-stage breast cancer patients receiving chemotherapy. METHODS In this secondary analysis of a prospective cohort study, we analyzed baseline levels of inflammatory biomarkers (measured using a Luminex bead-immunoassay) and plasma levels of DHA, EPA, and FFA (measured using enzyme-linked immunosorbent assay). GI symptoms were assessed using the European Organisation for Research and Treatment of Cancer Quality of Life Questionnaire in Cancer Patients (EORTC QLQ-C30) symptom scale scores at baseline (T1) and at least 6 weeks after, during chemotherapy (T2). Inferential statistics were used to analyze associations between the variables of interest. RESULTS The analysis included 31 female breast cancer patients (mean age ± SD = 50.5 ± 8.8; 89.6% receiving anthracycline-based chemotherapy). Higher levels of docosahexaenoic acid (DHA) and interleukin-8 (IL-8) predicted increases in appetite loss. Similarly, higher IL-8 predicted worsened nausea and vomiting. CONCLUSION Baseline IL-8 and DHA predicted GI symptom progression in early-stage breast cancer patients undergoing chemotherapy. Future studies are required to evaluate how therapeutic intervention targeting these biomarkers may mitigate gastrointestinal symptoms in cancer patients.
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Affiliation(s)
- Daniela Arcos
- School of Pharmacy & Pharmaceutical Sciences, University of California Irvine, Irvine, USA
| | - Ding Quan Ng
- School of Pharmacy & Pharmaceutical Sciences, University of California Irvine, Irvine, USA
| | - Yu Ke
- Division of Supportive and Palliative Care, National Cancer Centre Singapore, Singapore, Singapore
| | - Yi Long Toh
- Department of Pharmacy, National University of Singapore, Singapore, Singapore
| | - Alexandre Chan
- School of Pharmacy & Pharmaceutical Sciences, University of California Irvine, Irvine, USA.
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11
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So J, Wu D, Tai AK, Lichtenstein AH, Matthan NR, Lamon-Fava S. Monocyte transcriptomic profile following EPA and DHA supplementation in men and women with low-grade chronic inflammation. Atherosclerosis 2024; 388:117407. [PMID: 38091778 PMCID: PMC10872449 DOI: 10.1016/j.atherosclerosis.2023.117407] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/01/2023] [Revised: 11/16/2023] [Accepted: 11/29/2023] [Indexed: 01/15/2024]
Abstract
BACKGROUND Recent data indicate considerable variability in response to very long chain omega-3 fatty acid supplementation on cardiovascular disease risk. This inconsistency may be due to differential effects of EPA vs DHA and/or sex-specific responses. METHODS Sixteen subjects (eight men and eight women) 50-75 y and with low-grade chronic inflammation participated in a randomized controlled crossover trial comparing 3 g/d EPA, 3 g/d DHA, and placebo (3 g/d high oleic acid sunflower oil). Blood monocytes were isolated at the end of each phase for RNA-sequencing. RESULTS Sex dimorphism in monocyte gene expression was observed, therefore, data for men and women were analyzed separately. 1088 genes were differentially expressed in men and 997 in women (p < 0.05). In both men and women, EPA and DHA repressed genes involved in protein turnover and mitochondrial energy metabolism, relative to placebo. In men only, EPA and DHA upregulated genes related to wound healing and PPARα activation. In women only, EPA and DHA activated genes related to ER stress response. Relative to DHA, EPA resulted in lower expression of genes involved in inflammatory processes in men, and lower expression of genes involved in ER stress response in women. CONCLUSIONS EPA and DHA supplementation elicited both similar and differential effects on monocyte transcriptome, some of which were sex specific. The observed variability in response to EPA and DHA in men and women could in part explain the conflicting results from previous cardiovascular clinical trials using omega-3 fatty acids.
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Affiliation(s)
- Jisun So
- Cardiovascular Nutrition Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA, USA
| | - Dayong Wu
- Nutritional Immunology Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA, USA
| | - Albert K Tai
- Department of Immunology, Tufts University School of Medicine, Boston, MA, USA
| | - Alice H Lichtenstein
- Cardiovascular Nutrition Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA, USA
| | - Nirupa R Matthan
- Cardiovascular Nutrition Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA, USA
| | - Stefania Lamon-Fava
- Cardiovascular Nutrition Laboratory, Jean Mayer USDA Human Nutrition Research Center on Aging, Tufts University, Boston, MA, USA.
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12
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Ma J, Kitaura H, Ohori F, Noguchi T, Marahleh A, Kinjo R, Kanou K, Ren J, Miura M, Narita K, Mizoguchi I. Generating Bone Marrow Chimeric Mouse Using GPR120 Deficient Mouse for the Study of DHA Inhibitory Effect on Osteoclast Formation and Bone Resorption. Int J Mol Sci 2023; 24:17000. [PMID: 38069322 PMCID: PMC10707107 DOI: 10.3390/ijms242317000] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 11/22/2023] [Accepted: 11/29/2023] [Indexed: 12/18/2023] Open
Abstract
Docosahexaenoic acid (DHA) is an omega-3 fatty acid that exerts physiological effects via G protein-coupled receptor 120 (GPR120). In our previous studies, we figured out the inhibitory effects of DHA on TNF-α (Tumor necrosis factor-α)-induced osteoclastogenesis via GPR120 in vivo. Moreover, DHA directly suppressed RANKL expression in osteoblasts via GPR120 in vitro. In this study, we generated bone marrow chimeric mice using GPR120 deficient mice (GPR120-KO) to study the inhibitory effects of DHA on bone resorption and osteoclast formation. Bone marrow cells of wild-type (WT) or GPR120-KO mice were transplanted into irradiated recipient mice, which were WT or GPR120 deficient mice. The resulting chimeric mice contained stromal cells from the recipient and bone marrow cells, including osteoclast precursors, from the donor. These chimeric mice were used to perform a series of histological and microfocus computed tomography (micro-CT) analyses after TNF-α injection for induction of osteoclast formation with or without DHA. Osteoclast number and bone resorption were found to be significantly increased in chimeric mice, which did not express GPR120 in stromal cells, compared to chimeric mice, which expressed GPR120 in stromal cells. DHA was also found to suppress specific signaling pathways. We summarized that DHA suppressed TNF-α-induced stromal-dependent osteoclast formation and bone resorption via GPR120.
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Affiliation(s)
- Jinghan Ma
- Division of Orthodontics and Dentofacial Orthopedics, Tohoku University Graduate School of Dentistry, 4-1, Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan; (J.M.); (F.O.); (T.N.); (R.K.); (K.K.); (J.R.); (M.M.); (K.N.); (I.M.)
| | - Hideki Kitaura
- Division of Orthodontics and Dentofacial Orthopedics, Tohoku University Graduate School of Dentistry, 4-1, Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan; (J.M.); (F.O.); (T.N.); (R.K.); (K.K.); (J.R.); (M.M.); (K.N.); (I.M.)
| | - Fumitoshi Ohori
- Division of Orthodontics and Dentofacial Orthopedics, Tohoku University Graduate School of Dentistry, 4-1, Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan; (J.M.); (F.O.); (T.N.); (R.K.); (K.K.); (J.R.); (M.M.); (K.N.); (I.M.)
| | - Takahiro Noguchi
- Division of Orthodontics and Dentofacial Orthopedics, Tohoku University Graduate School of Dentistry, 4-1, Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan; (J.M.); (F.O.); (T.N.); (R.K.); (K.K.); (J.R.); (M.M.); (K.N.); (I.M.)
| | - Aseel Marahleh
- Frontier Research Institute for Interdisciplinary Sciences, Tohoku University, Sendai 980-8575, Japan;
| | - Ria Kinjo
- Division of Orthodontics and Dentofacial Orthopedics, Tohoku University Graduate School of Dentistry, 4-1, Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan; (J.M.); (F.O.); (T.N.); (R.K.); (K.K.); (J.R.); (M.M.); (K.N.); (I.M.)
| | - Kayoko Kanou
- Division of Orthodontics and Dentofacial Orthopedics, Tohoku University Graduate School of Dentistry, 4-1, Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan; (J.M.); (F.O.); (T.N.); (R.K.); (K.K.); (J.R.); (M.M.); (K.N.); (I.M.)
| | - Jiayi Ren
- Division of Orthodontics and Dentofacial Orthopedics, Tohoku University Graduate School of Dentistry, 4-1, Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan; (J.M.); (F.O.); (T.N.); (R.K.); (K.K.); (J.R.); (M.M.); (K.N.); (I.M.)
| | - Mariko Miura
- Division of Orthodontics and Dentofacial Orthopedics, Tohoku University Graduate School of Dentistry, 4-1, Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan; (J.M.); (F.O.); (T.N.); (R.K.); (K.K.); (J.R.); (M.M.); (K.N.); (I.M.)
| | - Kohei Narita
- Division of Orthodontics and Dentofacial Orthopedics, Tohoku University Graduate School of Dentistry, 4-1, Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan; (J.M.); (F.O.); (T.N.); (R.K.); (K.K.); (J.R.); (M.M.); (K.N.); (I.M.)
| | - Itaru Mizoguchi
- Division of Orthodontics and Dentofacial Orthopedics, Tohoku University Graduate School of Dentistry, 4-1, Seiryo-machi, Aoba-ku, Sendai 980-8575, Japan; (J.M.); (F.O.); (T.N.); (R.K.); (K.K.); (J.R.); (M.M.); (K.N.); (I.M.)
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13
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Li X, Lu Z, Qi Y, Chen B, Li B. The Role of Polyunsaturated Fatty Acids in Osteoarthritis: Insights from a Mendelian Randomization Study. Nutrients 2023; 15:4787. [PMID: 38004181 PMCID: PMC10674676 DOI: 10.3390/nu15224787] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 11/04/2023] [Accepted: 11/13/2023] [Indexed: 11/26/2023] Open
Abstract
The prior observational research on the impact of polyunsaturated fatty acid (PUFA) supplementation on osteoarthritis (OA) patients had yielded inclusive outcomes. This study utilized the Mendelian randomization (MR) approach to explore potential causal relationships between PUFAs and OA. The MR study was performed using GWAS summary statistics for PUFAs, encompassing omega-3 and omega-6 fatty acids, and for knee OA (KOA) and hip OA (HOA). The primary inverse-variance-weighted (IVW) method and two supplementary MR approaches were used to establish robust causality. Heterogeneity and horizontal pleiotropy were assessed using Cochrane's Q and MR-Egger intercept tests. Additionally, a range of sensitivity analyses were conducted to strengthen the precision and reliability of the results. The IVW method indicated a potential genetic association between omega-3 fatty acids and KOA risk (odd ratio (OR) = 0.94, 95% confidence interval (CI): 0.89-1.00, p = 0.048). No significant correlation was found between omega-3 levels and HOA. Moreover, genetically predicted higher levels of omega-6 fatty acids were associated with a decreased risk of KOA (OR = 0. 93, 95% CI: 0.86-1.00, p = 0.041) and HOA (OR = 0.89, 95% CI: 0.82-0.96; p = 0.003). The MR-Egger intercept evaluation showed no horizontal pleiotropy affecting the MR analysis (all p > 0.05). Our findings supported the causal relationship between PUFAs and OA susceptibility and offered a novel insight that high omega-6 fatty acids may reduce the risk of KOA and HOA. These results underscore the importance of maintaining optimal levels of PUFAs, particularly omega-6 fatty acids, in individuals with a genetic predisposition to OA. Future research is necessary to validate these findings and elucidate the underlying mechanisms involved.
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Affiliation(s)
- Xuefei Li
- Department of Pathology, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China;
| | - Zhengjie Lu
- Division of Joint Surgery and Sports Medicine, Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan 430071, China (B.C.)
| | - Yongjian Qi
- Department of Spine Surgery and Musculoskeletal Tumor, Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan 430071, China
| | - Biao Chen
- Division of Joint Surgery and Sports Medicine, Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan 430071, China (B.C.)
| | - Bin Li
- Division of Joint Surgery and Sports Medicine, Department of Orthopedic Surgery, Zhongnan Hospital of Wuhan University, Wuhan 430071, China (B.C.)
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14
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Favor OK, Rajasinghe LD, Wierenga KA, Maddipati KR, Lee KSS, Olive AJ, Pestka JJ. Crystalline silica-induced proinflammatory eicosanoid storm in novel alveolar macrophage model quelled by docosahexaenoic acid supplementation. Front Immunol 2023; 14:1274147. [PMID: 38022527 PMCID: PMC10665862 DOI: 10.3389/fimmu.2023.1274147] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2023] [Accepted: 10/16/2023] [Indexed: 12/01/2023] Open
Abstract
Introduction Phagocytosis of inhaled crystalline silica (cSiO2) particles by tissue-resident alveolar macrophages (AMs) initiates generation of proinflammatory eicosanoids derived from the ω-6 polyunsaturated fatty acid (PUFA) arachidonic acid (ARA) that contribute to chronic inflammatory disease in the lung. While supplementation with the ω-3 PUFA docosahexaenoic acid (DHA) may influence injurious cSiO2-triggered oxylipin responses, in vitro investigation of this hypothesis in physiologically relevant AMs is challenging due to their short-lived nature and low recovery numbers from mouse lungs. To overcome these challenges, we employed fetal liver-derived alveolar-like macrophages (FLAMs), a self-renewing surrogate that is phenotypically representative of primary lung AMs, to discern how DHA influences cSiO2-induced eicosanoids. Methods We first compared how delivery of 25 µM DHA as ethanolic suspensions or as bovine serum albumin (BSA) complexes to C57BL/6 FLAMs impacts phospholipid fatty acid content. We subsequently treated FLAMs with 25 µM ethanolic DHA or ethanol vehicle (VEH) for 24 h, with or without LPS priming for 2 h, and with or without cSiO2 for 1.5 or 4 h and then measured oxylipin production by LC-MS lipidomics targeting for 156 oxylipins. Results were further related to concurrent proinflammatory cytokine production and cell death induction. Results DHA delivery as ethanolic suspensions or BSA complexes were similarly effective at increasing ω-3 PUFA content of phospholipids while decreasing the ω-6 PUFA arachidonic acid (ARA) and the ω-9 monounsaturated fatty acid oleic acid. cSiO2 time-dependently elicited myriad ARA-derived eicosanoids consisting of prostaglandins, leukotrienes, thromboxanes, and hydroxyeicosatetraenoic acids in unprimed and LPS-primed FLAMs. This cSiO2-induced eicosanoid storm was dramatically suppressed in DHA-supplemented FLAMs which instead produced potentially pro-resolving DHA-derived docosanoids. cSiO2 elicited marked IL-1α, IL-1β, and TNF-α release after 1.5 and 4 h of cSiO2 exposure in LPS-primed FLAMs which was significantly inhibited by DHA. DHA did not affect cSiO2-triggered death induction in unprimed FLAMs but modestly enhanced it in LPS-primed FLAMs. Discussion FLAMs are amenable to lipidome modulation by DHA which suppresses cSiO2-triggered production of ARA-derived eicosanoids and proinflammatory cytokines. FLAMs are a potential in vitro alternative to primary AMs for investigating interventions against early toxicant-triggered inflammation in the lung.
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Affiliation(s)
- Olivia K. Favor
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, MI, United States
- Institute for Integrative Toxicology, Michigan State University, East Lansing, MI, United States
| | - Lichchavi D. Rajasinghe
- Institute for Integrative Toxicology, Michigan State University, East Lansing, MI, United States
- Department of Food Science and Human Nutrition, Michigan State University, East Lansing, MI, United States
| | - Kathryn A. Wierenga
- Institute for Integrative Toxicology, Michigan State University, East Lansing, MI, United States
- Department of Biochemistry and Molecular Biology, Michigan State University, East Lansing, MI, United States
| | | | - Kin Sing Stephen Lee
- Department of Pharmacology and Toxicology, Michigan State University, East Lansing, MI, United States
- Institute for Integrative Toxicology, Michigan State University, East Lansing, MI, United States
- Department of Chemistry, Michigan State University, East Lansing, MI, United States
| | - Andrew J. Olive
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI, United States
| | - James J. Pestka
- Institute for Integrative Toxicology, Michigan State University, East Lansing, MI, United States
- Department of Food Science and Human Nutrition, Michigan State University, East Lansing, MI, United States
- Department of Microbiology and Molecular Genetics, Michigan State University, East Lansing, MI, United States
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15
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Li H, Breedijk A, Dietrich N, Nitschke K, Jarczyk J, Nuhn P, Krämer BK, Yard BA, Leipe J, Hauske S. Lipopolysaccharide Tolerance in Human Primary Monocytes and Polarized Macrophages. Int J Mol Sci 2023; 24:12196. [PMID: 37569572 PMCID: PMC10419197 DOI: 10.3390/ijms241512196] [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] [Received: 06/21/2023] [Revised: 07/25/2023] [Accepted: 07/27/2023] [Indexed: 08/13/2023] Open
Abstract
Innate immune memory allows macrophages to adequately respond to pathogens to which they have been pre-exposed. To what extent different pattern recognition receptors, cytokines and resolution signals influence innate immune memory needs further elucidation. The present study assessed whether lipopolysaccharide (LPS) tolerance in monocytes and macrophages is affected by these factors. Human CD14+ cells were isolated from peripheral blood, stimulated by LPS and re-stimulated after 3 days of resting. Hereafter, immune-responsive gene 1 (IRG-1), heme oxygenase 1 (HO-1), tumor necrosis factor α (TNF-α) and interleukin 6 (IL-6) expression were assessed. Our study revealed the following findings: (1) While pre-stimulation with the Toll-like receptor 4 ligand LPS inhibits the induction of IRG-1, TNF-α and IL-6 expression, pre-stimulation with TLR 1/2 ligands only affects cytokine production but not IRG-1 expression upon subsequent TLR4 engagement. (2) Prior TNF-α stimulation does not affect LPS tolerance but rather increases LPS-mediated cytokine expression. (3) Dimethyl itaconate (DMI) inhibits the expression of IRG-1 in a dose-dependent manner but does not affect TNF-α or IL-6 expression. (4) Docosahexaenoic acid (DHA) partly inhibits IRG-1 expression in monocytes but not in M(IFNγ) and M(IL-4) polarized macrophages. LPS tolerance is not affected in these cells by DHA. The data presented in this study partly corroborate and extend previous findings on innate immune memory and warrant further studies on LPS tolerance to gain a better understanding of innate immune memory at the molecular level.
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Affiliation(s)
- Hui Li
- Fifth Medical Department, University Hospital Mannheim, Heidelberg University, 68167 Mannheim, Germany; (H.L.); (A.B.); (N.D.); (B.K.K.); (J.L.)
| | - Annette Breedijk
- Fifth Medical Department, University Hospital Mannheim, Heidelberg University, 68167 Mannheim, Germany; (H.L.); (A.B.); (N.D.); (B.K.K.); (J.L.)
| | - Nadine Dietrich
- Fifth Medical Department, University Hospital Mannheim, Heidelberg University, 68167 Mannheim, Germany; (H.L.); (A.B.); (N.D.); (B.K.K.); (J.L.)
| | - Katja Nitschke
- Department of Urology, University Hospital Mannheim, Heidelberg University, 68167 Mannheim, Germany; (K.N.); (J.J.); (P.N.)
| | - Jonas Jarczyk
- Department of Urology, University Hospital Mannheim, Heidelberg University, 68167 Mannheim, Germany; (K.N.); (J.J.); (P.N.)
| | - Philipp Nuhn
- Department of Urology, University Hospital Mannheim, Heidelberg University, 68167 Mannheim, Germany; (K.N.); (J.J.); (P.N.)
| | - Bernhard K. Krämer
- Fifth Medical Department, University Hospital Mannheim, Heidelberg University, 68167 Mannheim, Germany; (H.L.); (A.B.); (N.D.); (B.K.K.); (J.L.)
- European Center for Angioscience (ECAS), Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany
- Center for Innate Immunoscience Mannheim, Heidelberg University, 68167 Mannheim, Germany
| | - Benito A. Yard
- Fifth Medical Department, University Hospital Mannheim, Heidelberg University, 68167 Mannheim, Germany; (H.L.); (A.B.); (N.D.); (B.K.K.); (J.L.)
- European Center for Angioscience (ECAS), Medical Faculty Mannheim, Heidelberg University, 68167 Mannheim, Germany
- Center for Innate Immunoscience Mannheim, Heidelberg University, 68167 Mannheim, Germany
| | - Jan Leipe
- Fifth Medical Department, University Hospital Mannheim, Heidelberg University, 68167 Mannheim, Germany; (H.L.); (A.B.); (N.D.); (B.K.K.); (J.L.)
- Center for Innate Immunoscience Mannheim, Heidelberg University, 68167 Mannheim, Germany
| | - Sibylle Hauske
- Fifth Medical Department, University Hospital Mannheim, Heidelberg University, 68167 Mannheim, Germany; (H.L.); (A.B.); (N.D.); (B.K.K.); (J.L.)
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16
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Talvio K, Wagner VA, Minkeviciene R, Kirkwood JS, Kulinich AO, Umemori J, Bhatia A, Hur M, Käkelä R, Ethell IM, Castrén ML. An iPSC-derived astrocyte model of fragile X syndrome exhibits dysregulated cholesterol homeostasis. Commun Biol 2023; 6:789. [PMID: 37516746 PMCID: PMC10387075 DOI: 10.1038/s42003-023-05147-9] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 07/14/2023] [Indexed: 07/31/2023] Open
Abstract
Cholesterol is an essential membrane structural component and steroid hormone precursor, and is involved in numerous signaling processes. Astrocytes regulate brain cholesterol homeostasis and they supply cholesterol to the needs of neurons. ATP-binding cassette transporter A1 (ABCA1) is the main cholesterol efflux transporter in astrocytes. Here we show dysregulated cholesterol homeostasis in astrocytes generated from human induced pluripotent stem cells (iPSCs) derived from males with fragile X syndrome (FXS), which is the most common cause of inherited intellectual disability. ABCA1 levels are reduced in FXS human and mouse astrocytes when compared with controls. Accumulation of cholesterol associates with increased desmosterol and polyunsaturated phospholipids in the lipidome of FXS mouse astrocytes. Abnormal astrocytic responses to cytokine exposure together with altered anti-inflammatory and cytokine profiles of human FXS astrocyte secretome suggest contribution of inflammatory factors to altered cholesterol homeostasis. Our results demonstrate changes of astrocytic lipid metabolism, which can critically regulate membrane properties and affect cholesterol transport in FXS astrocytes, providing target for therapy in FXS.
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Affiliation(s)
- Karo Talvio
- Department of Physiology, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Victoria A Wagner
- Division of Biomedical Sciences, and Neuroscience Graduate Program, School of Medicine, University of California Riverside, Riverside, CA, USA
| | - Rimante Minkeviciene
- Department of Physiology, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Jay S Kirkwood
- Metabolomics Core Facility, Institute for Integrative Genome Biology, University of California Riverside, Riverside, CA, USA
| | - Anna O Kulinich
- Division of Biomedical Sciences, and Neuroscience Graduate Program, School of Medicine, University of California Riverside, Riverside, CA, USA
| | - Juzoh Umemori
- Gene and Cell Technology, A.I.Virtanen Institute, University of Eastern Finland, Kuopio, Finland
| | - Anil Bhatia
- Metabolomics Core Facility, Institute for Integrative Genome Biology, University of California Riverside, Riverside, CA, USA
| | - Manhoi Hur
- Metabolomics Core Facility, Institute for Integrative Genome Biology, University of California Riverside, Riverside, CA, USA
| | - Reijo Käkelä
- Helsinki University Lipidomics Unit, HiLIPID, Helsinki Institute of Life Science, HiLIFE, Biocenter Finland (Metabolomics), and Molecular and Integrative Biosciences Research Programme, Faculty of Biological and Environmental Sciences, University of Helsinki, Helsinki, Finland
| | - Iryna M Ethell
- Division of Biomedical Sciences, and Neuroscience Graduate Program, School of Medicine, University of California Riverside, Riverside, CA, USA
| | - Maija L Castrén
- Department of Physiology, Faculty of Medicine, University of Helsinki, Helsinki, Finland.
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17
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Therdyothin A, Phiphopthatsanee N, Isanejad M. The Effect of Omega-3 Fatty Acids on Sarcopenia: Mechanism of Action and Potential Efficacy. Mar Drugs 2023; 21:399. [PMID: 37504930 PMCID: PMC10381755 DOI: 10.3390/md21070399] [Citation(s) in RCA: 10] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2023] [Revised: 07/06/2023] [Accepted: 07/11/2023] [Indexed: 07/29/2023] Open
Abstract
Sarcopenia, a progressive disease characterized by a decline in muscle strength, quality, and mass, affects aging population worldwide, leading to increased morbidity and mortality. Besides resistance exercise, various nutritional strategies, including omega-3 polyunsaturated fatty acid (n-3 PUFA) supplementation, have been sought to prevent this condition. This narrative review summarizes the current evidence on the effect and mechanism of n-3 PUFA on musculoskeletal health. Despite conflicting evidence, n-3 PUFA is suggested to benefit muscle mass and volume, with more evident effects with higher supplementation dose (>2 g/day). n-3 PUFA supplementation likely improves handgrip and quadriceps strength in the elderly. Improved muscle functions, measured by walking speed and time-up-to-go test, are also observed, especially with longer duration of supplementation (>6 months), although the changes are small and unlikely to be clinically meaningful. Lastly, n-3 PUFA supplementation may positively affect muscle protein synthesis response to anabolic stimuli, alleviating age-related anabolic resistance. Proposed mechanisms by which n-3 PUFA supplementation improves muscle health include 1. anti-inflammatory properties, 2. augmented expression of mechanistic target of rapamycin complex 1 (mTORC1) pathway, 3. decreased intracellular protein breakdown, 4. improved mitochondrial biogenesis and function, 5. enhanced amino acid transport, and 6. modulation of neuromuscular junction activity. In conclusion, n-3 PUFAs likely improve musculoskeletal health related to sarcopenia, with suggestive effect on muscle mass, strength, physical performance, and muscle protein synthesis. However, the interpretation of the findings is limited by the small number of participants, heterogeneity of supplementation regimens, and different measuring protocols.
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Affiliation(s)
- Atiporn Therdyothin
- Department of Musculoskeletal Ageing and Science, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool L7 8TX, UK
- Department of Orthopedics, Police General Hospital, Bangkok 10330, Thailand
| | | | - Masoud Isanejad
- Department of Musculoskeletal Ageing and Science, Institute of Life Course and Medical Sciences, University of Liverpool, Liverpool L7 8TX, UK
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18
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Che X, Roy A, Bresnahan M, Mjaaland S, Reichborn-Kjennerud T, Magnus P, Stoltenberg C, Shang Y, Zhang K, Susser E, Fiehn O, Lipkin WI. Metabolomic analysis of maternal mid-gestation plasma and cord blood in autism spectrum disorders. Mol Psychiatry 2023; 28:2355-2369. [PMID: 37037873 DOI: 10.1038/s41380-023-02051-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/04/2022] [Revised: 03/22/2023] [Accepted: 03/23/2023] [Indexed: 04/12/2023]
Abstract
The discovery of prenatal and neonatal molecular biomarkers has the potential to yield insights into autism spectrum disorder (ASD) and facilitate early diagnosis. We characterized metabolomic profiles in ASD using plasma samples collected in the Norwegian Autism Birth Cohort from mothers at weeks 17-21 gestation (maternal mid-gestation, MMG, n = 408) and from children on the day of birth (cord blood, CB, n = 418). We analyzed associations using sex-stratified adjusted logistic regression models with Bayesian analyses. Chemical enrichment analyses (ChemRICH) were performed to determine altered chemical clusters. We also employed machine learning algorithms to assess the utility of metabolomics as ASD biomarkers. We identified ASD associations with a variety of chemical compounds including arachidonic acid, glutamate, and glutamine, and metabolite clusters including hydroxy eicospentaenoic acids, phosphatidylcholines, and ceramides in MMG and CB plasma that are consistent with inflammation, disruption of membrane integrity, and impaired neurotransmission and neurotoxicity. Girls with ASD have disruption of ether/non-ether phospholipid balance in the MMG plasma that is similar to that found in other neurodevelopmental disorders. ASD boys in the CB analyses had the highest number of dysregulated chemical clusters. Machine learning classifiers distinguished ASD cases from controls with area under the receiver operating characteristic (AUROC) values ranging from 0.710 to 0.853. Predictive performance was better in CB analyses than in MMG. These findings may provide new insights into the sex-specific differences in ASD and have implications for discovery of biomarkers that may enable early detection and intervention.
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Affiliation(s)
- Xiaoyu Che
- Center for Infection and Immunity, Mailman School of Public Health, Columbia University, New York, NY, USA
- Department of Biostatistics, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Ayan Roy
- Center for Infection and Immunity, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Michaeline Bresnahan
- Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA
- New York State Psychiatric Institute, New York, NY, USA
| | | | - Ted Reichborn-Kjennerud
- Norwegian Institute of Public Health, Oslo, Norway
- Institute of Clinical Medicine, University of Oslo, Oslo, Norway
| | - Per Magnus
- Norwegian Institute of Public Health, Oslo, Norway
| | - Camilla Stoltenberg
- Norwegian Institute of Public Health, Oslo, Norway
- Department of Global Public Health, University of Bergen, Bergen, Norway
| | - Yimeng Shang
- Department of Public Health Sciences, College of Medicine, Penn State University, State College, PA, 16801, USA
| | - Keming Zhang
- Department of Biostatistics, Mailman School of Public Health, Columbia University, New York, NY, USA
| | - Ezra Susser
- Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA
- New York State Psychiatric Institute, New York, NY, USA
| | - Oliver Fiehn
- UC Davis Genome Center-Metabolomics, University of California, Davis, CA, USA
| | - W Ian Lipkin
- Center for Infection and Immunity, Mailman School of Public Health, Columbia University, New York, NY, USA.
- Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA.
- Department of Neurology, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA.
- Department of Pathology and Cell Biology, Vagelos College of Physicians and Surgeons, Columbia University, New York, NY, USA.
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19
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Liu T, Peng Z, Lai W, Shao Y, Gao Q, He M, Zhou W, Guo L, Kang J, Jin X, Yin H. The Efficient Synthesis and Anti-Fatigue Activity Evaluation of Macamides: The Unique Bioactive Compounds in Maca. Molecules 2023; 28:molecules28093943. [PMID: 37175353 PMCID: PMC10180231 DOI: 10.3390/molecules28093943] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2023] [Revised: 04/30/2023] [Accepted: 05/05/2023] [Indexed: 05/15/2023] Open
Abstract
Macamides are a class of amide alkaloids that are only found in maca and are widely considered to be its bioactive marker compounds. More than thirty macamide monomers have been identified in recent years; however, it is difficult to obtain a single macamide monomer from the maca plant because of their similar structures and characteristics. We used the carbodiimide condensation method (CCM) to efficiently synthesize five typical macamides, including N-benzyl-hexadecanamide (NBH), N-benzyl-9Z,12Z,15Z-octadecenamide, N-(3-methoxybenzyl)-9Z,12Z-octadecenamide, N-benzyl-9Z,12Z-octadecenamide, and N-(3-methoxybenzyl)-9Z,12Z,15Z-octadecadienamide. All the synthesized macamides were purified by a one-step HPLC with a purity of more than 95%. NBH is the most abundant macamide monomer in natural maca, and it was selected to evaluate the anti-fatigue effects of macamides. The results indicated that NBH could enhance the endurance capacity of mice by increasing liver glycogen levels and decreasing blood urea nitrogen, lactate dehydrogenase, blood ammonia, and blood lactic acid levels. Macamides might be the active substances that give maca its anti-fatigue active function.
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Affiliation(s)
- Tao Liu
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, School of Basic Medical Sciences, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Ziyan Peng
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, School of Basic Medical Sciences, Guangdong Pharmaceutical University, Guangzhou 510006, China
- Department of Microbiology and Immunology, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Wei Lai
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, School of Basic Medical Sciences, Guangdong Pharmaceutical University, Guangzhou 510006, China
- Department of Microbiology and Immunology, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Yan Shao
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, School of Basic Medical Sciences, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Qing Gao
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, School of Basic Medical Sciences, Guangdong Pharmaceutical University, Guangzhou 510006, China
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Miaoxin He
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, School of Basic Medical Sciences, Guangdong Pharmaceutical University, Guangzhou 510006, China
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Wan Zhou
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, School of Basic Medical Sciences, Guangdong Pharmaceutical University, Guangzhou 510006, China
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Lirong Guo
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, School of Basic Medical Sciences, Guangdong Pharmaceutical University, Guangzhou 510006, China
- School of Pharmacy, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Jiyao Kang
- National Key Laboratory of Biochemical Engineering, Institute of Process Engineering, Chinese Academy of Sciences, Beijing 100080, China
| | - Xiaobao Jin
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, School of Basic Medical Sciences, Guangdong Pharmaceutical University, Guangzhou 510006, China
| | - Hui Yin
- Guangdong Provincial Key Laboratory of Pharmaceutical Bioactive Substances, School of Basic Medical Sciences, Guangdong Pharmaceutical University, Guangzhou 510006, China
- Department of Microbiology and Immunology, Guangdong Pharmaceutical University, Guangzhou 510006, China
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20
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Sveiven SN, Anesko K, Morgan J, Nair MG, Nordgren TM. Lipid-Sensing Receptor FFAR4 Modulates Pulmonary Epithelial Homeostasis following Immunogenic Exposures Independently of the FFAR4 Ligand Docosahexaenoic Acid (DHA). Int J Mol Sci 2023; 24:ijms24087072. [PMID: 37108233 PMCID: PMC10138935 DOI: 10.3390/ijms24087072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2023] [Revised: 03/31/2023] [Accepted: 04/05/2023] [Indexed: 04/29/2023] Open
Abstract
The role of pulmonary free fatty acid receptor 4 (FFAR4) is not fully elucidated and we aimed to clarify the impact of FFAR4 on the pulmonary immune response and return to homeostasis. We employed a known high-risk human pulmonary immunogenic exposure to extracts of dust from swine confinement facilities (DE). WT and Ffar4-null mice were repetitively exposed to DE via intranasal instillation and supplemented with docosahexaenoic acid (DHA) by oral gavage. We sought to understand if previous findings of DHA-mediated attenuation of the DE-induced inflammatory response are FFAR4-dependent. We identified that DHA mediates anti-inflammatory effects independent of FFAR4 expression, and that DE-exposed mice lacking FFAR4 had reduced immune cells in the airways, epithelial dysplasia, and impaired pulmonary barrier integrity. Analysis of transcripts using an immunology gene expression panel revealed a role for FFAR4 in lungs related to innate immune initiation of inflammation, cytoprotection, and immune cell migration. Ultimately, the presence of FFAR4 in the lung may regulate cell survival and repair following immune injury, suggestive of potential therapeutic directions for pulmonary disease.
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Affiliation(s)
- Stefanie N Sveiven
- Division of Biomedical Sciences, School of Medicine, University of California-Riverside, Riverside, CA 92521, USA
| | - Kyle Anesko
- Division of Biomedical Sciences, School of Medicine, University of California-Riverside, Riverside, CA 92521, USA
| | - Joshua Morgan
- Department of Bioengineering, Bourns College of Engineering, University of California-Riverside, Riverside, CA 92521, USA
| | - Meera G Nair
- Division of Biomedical Sciences, School of Medicine, University of California-Riverside, Riverside, CA 92521, USA
| | - Tara M Nordgren
- Department of Environmental and Radiological Health Sciences, Colorado State University, Fort Collins, CO 80523, USA
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21
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Hung HC, Tsai SF, Chou HW, Tsai MJ, Hsu PL, Kuo YM. Dietary fatty acids differentially affect secretion of pro-inflammatory cytokines in human THP-1 monocytes. Sci Rep 2023; 13:5511. [PMID: 37016048 PMCID: PMC10073224 DOI: 10.1038/s41598-023-32710-5] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2022] [Accepted: 03/31/2023] [Indexed: 04/06/2023] Open
Abstract
Monocytes are a major population of circulating immune cells that play a crucial role in producing pro-inflammatory cytokines in the body. The actions of monocytes are known to be influenced by the combinations and concentrations of certain fatty acids (FAs) in blood and dietary fats. However, systemic comparisons of the effects of FAs on cytokine secretion by monocytes have not be performed. In this study, we compared how six saturated FAs (SFAs), two monounsaturated FAs (MUFAs), and seven polyunsaturated FAs (PUFAs) modulate human THP-1 monocyte secretion of TNF, IL-1β, and IL-6 in the absence or presence of lipopolysaccharide. SFAs generally stimulated resting THP-1 cells to secrete pro-inflammatory cytokines, with stearic acid being the most potent species. In contrast, MUFAs and PUFAs inhibited lipopolysaccharide-induced secretion of pro-inflammatory cytokines. Interestingly, the inhibitory potentials of MUFAs and PUFAs followed U-shaped (TNF and IL-1β) or inverted U-shaped (IL-6) dose-response curves. Among the MUFAs and PUFAs that were analyzed, docosahexaenoic acid (C22:6 n-3) exhibited the largest number of double bonds and was found to be the most potent anti-inflammatory compound. Together, our findings reveal that the chemical compositions and concentrations of dietary FAs are key factors in the intricate regulation of monocyte-mediated inflammation.
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Affiliation(s)
- Hao-Chang Hung
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Kaohsiung Veterans General Hospital, Kaohsiung, 81362, Taiwan
| | - Sheng-Feng Tsai
- Department of Cell Biology and Anatomy, College of Medicine, National Cheng Kung University, 1 Ta Hsueh Road, Tainan, 70101, Taiwan
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, 70101, Taiwan
| | - Hsuan-Wen Chou
- Division of Endocrinology and Metabolism, Department of Internal Medicine, National Cheng Kung University Hospital, College of Medicine, National Cheng Kung University, Tainan, 70403, Taiwan
| | - Ming-Jun Tsai
- School of Medicine, College of Medicine, China Medical University, Taichung, 40402, Taiwan
- Department of Neurology, China Medical University Hospital, Taichung, 40447, Taiwan
- Department of Neurology, An-Nan-Hospital, China Medical University, Tainan, 709204, Taiwan
| | - Pei-Ling Hsu
- Department of Anatomy, School of Medicine, College of Medicine, Kaohsiung Medical University, 100 Shih-Chuan 1St Road, Kaohsiung, 80708, Taiwan.
- Department of Medical Research, Kaohsiung Medical University Hospital, Kaohsiung, 80708, Taiwan.
| | - Yu-Min Kuo
- Department of Cell Biology and Anatomy, College of Medicine, National Cheng Kung University, 1 Ta Hsueh Road, Tainan, 70101, Taiwan.
- Institute of Basic Medical Sciences, College of Medicine, National Cheng Kung University, Tainan, 70101, Taiwan.
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22
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Fuller H, Race AD, Fenton H, Burke L, Downing A, Williams EA, Rees CJ, Brown LC, Loadman PM, Hull MA. Plasma and rectal mucosal oxylipin levels during aspirin and eicosapentaenoic acid treatment in the seAFOod polyp prevention trial. Prostaglandins Leukot Essent Fatty Acids 2023; 192:102570. [PMID: 37003144 DOI: 10.1016/j.plefa.2023.102570] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/12/2022] [Revised: 03/20/2023] [Accepted: 03/21/2023] [Indexed: 04/03/2023]
Abstract
BACKGROUND Aspirin and eicosapentaenoic acid (EPA) have colorectal polyp prevention activity, alone and in combination. This study measured levels of plasma and rectal mucosal oxylipins in participants of the seAFOod 2 × 2 factorial, randomised, placebo-controlled trial, who received aspirin 300 mg daily and EPA 2000 mg free fatty acid, alone and in combination, for 12 months. METHODS Resolvin (Rv) E1, 15-epi-lipoxin (LX) A4 and respective precursors 18-HEPE and 15-HETE (with chiral separation) were measured by ultra-high performance liquid chromatography-tandem mass spectrometry in plasma taken at baseline, 6 months and 12 months, as well as rectal mucosa obtained at trial exit colonoscopy at 12 months, in 401 trial participants. RESULTS Despite detection of S- and R- enantiomers of 18-HEPE and 15-HETE in ng/ml concentrations, RvE1 or 15‑epi-LXA4 were not detected above a limit of detection of 20 pg/ml in plasma or rectal mucosa, even in individuals randomised to both aspirin and EPA. We have confirmed in a large clinical trial cohort that prolonged (12 months) treatment with EPA is associated with increased plasma 18-HEPE concentrations (median [inter-quartile range] total 18-HEPE 0.51 [0.21-1.95] ng/ml at baseline versus 0.95 [0.46-4.06] ng/ml at 6 months [P<0.0001] in those randomised to EPA alone), which correlate strongly with respective rectal mucosal 18-HEPE levels (r = 0.82; P<0.001), but which do not predict polyp prevention efficacy by EPA or aspirin. CONCLUSION Analysis of seAFOod trial plasma and rectal mucosal samples has not provided evidence of synthesis of the EPA-derived specialised pro-resolving mediator RvE1 or aspirin-trigged lipoxin 15‑epi-LXA4. We cannot rule out degradation of individual oxylipins during sample collection and storage but readily measurable precursor oxylipins argues against widespread degradation.
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Affiliation(s)
- H Fuller
- Leeds Institute of Medical Research, University of Leeds, UK
| | - A D Race
- Institute of Cancer Therapeutics, University of Bradford, UK
| | - H Fenton
- Leeds Institute of Medical Research, University of Leeds, UK
| | - L Burke
- Institute of Cancer Therapeutics, University of Bradford, UK
| | - A Downing
- Leeds Institute of Medical Research, University of Leeds, UK
| | - E A Williams
- Department of Oncology and Metabolism, University of Sheffield, UK
| | - C J Rees
- Population Health Science Institute, Newcastle University, UK
| | - L C Brown
- MRC Clinical Trials Unit at University College, London, UK
| | - P M Loadman
- Institute of Cancer Therapeutics, University of Bradford, UK
| | - M A Hull
- Leeds Institute of Medical Research, University of Leeds, UK.
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23
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Xie J, Wang Z, Wang J, Feng W, Shan T, Jing S, Xiao S, Li W, Liu N, Liu Y. Intakes of omega-3 fatty acids and risks of all-cause and cause-specific mortality in people with diabetes: a cohort study based on NHANES 1999-2014. Acta Diabetol 2023; 60:353-362. [PMID: 36527499 DOI: 10.1007/s00592-022-02003-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/19/2022] [Accepted: 10/31/2022] [Indexed: 12/23/2022]
Abstract
AIMS Intake of omega-3 fatty acids is associated with several health benefits, but the specific benefits in populations with diabetes have yet to be elucidated. Therefore, this study aimed to explore the relationship between intake of omega-3 fatty acids and mortality in people with diabetes. METHODS This was a prospective cohort study and included 4854 participants with diabetes (mean age, 57.92 years; 50.9% male) from the National Health and Nutrition Examination Survey (1999-2014). Eicosapentaenoic (EPA) and docosahexaenoic (DHA) acid intake were used as alternative markers of omega-3 fatty acids intake and calculated based on the sum of the 24-h dietary recall interviews and dietary supplements. Mortality data were ascertained by linkage to National Death Index records by December 31, 2015. Cox proportional hazard models and restricted cubic spline were used to assess the relationship between EPA and DHA intake and all-cause and cause-specific mortality. Statistical analyses were performed using R 4.2.0 software. RESULTS Compared with participants with a lower EPA + DHA intake, participants who had a higher EPA + DHA intake tended to be Non-Hispanic Black; were more likely to be obese; and had higher daily energy intake and family income. During 34,386 person-years of follow-up, 1102 deaths were documented, including 266 cardiovascular disease deaths and 152 cancer deaths. In multivariable regression analyses with adjustment of confounding factors, higher EPA + DHA intake was significantly and linearly related to lower all-cause mortality: there was a 25% reduced risk of all-cause mortality. CONCLUSIONS Higher omega-3 fatty acid intake was independently related to lower all-cause mortality in individuals with diabetes, suggesting an adequate intake of omega-3 fatty acids may prevent premature death among the population with diabetes.
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Affiliation(s)
- Jing Xie
- College of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China
| | - Zhenwei Wang
- Department of Cardiology, School of Medicine, Zhongda Hospital, Southeast University, Nanjing, China
| | - Junjie Wang
- Department of Medical Informatics, School of Biomedical Engineering and Informatics, Nanjing Medical University, Nanjing, China
| | - Wei Feng
- Department of Medical Informatics, School of Biomedical Engineering and Informatics, Nanjing Medical University, Nanjing, China
| | - Tao Shan
- Department of Medical Informatics, School of Biomedical Engineering and Informatics, Nanjing Medical University, Nanjing, China
- Department of Outpatient, The First Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - Shenqi Jing
- Department of Medical Informatics, School of Biomedical Engineering and Informatics, Nanjing Medical University, Nanjing, China
- Department of Information, The First Affiliated Hospital, Nanjing Medical University, Nanjing, China
| | - Shengjue Xiao
- Department of Cardiology, School of Medicine, Zhongda Hospital, Southeast University, Nanjing, China
| | - Wei Li
- Department of Cardiology, The Affiliated Hospital of Yangzhou University, Yangzhou University, Yangzhou, China
| | - Naifeng Liu
- College of Basic Medicine and Clinical Pharmacy, China Pharmaceutical University, Nanjing, China.
- Department of Cardiology, School of Medicine, Zhongda Hospital, Southeast University, Nanjing, China.
| | - Yun Liu
- Department of Medical Informatics, School of Biomedical Engineering and Informatics, Nanjing Medical University, Nanjing, China.
- Institute of Medical Informatics and Management, Nanjing Medical University, Nanjing, China.
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24
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Bhat S, Sarkar S, Zaffar D, Dandona P, Kalyani RR. Omega-3 Fatty Acids in Cardiovascular Disease and Diabetes: a Review of Recent Evidence. Curr Cardiol Rep 2023; 25:51-65. [PMID: 36729217 DOI: 10.1007/s11886-022-01831-0] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 11/08/2022] [Indexed: 02/03/2023]
Abstract
PURPOSE OF REVIEW Omega-3 fatty acids (n-3 FA) lower triglycerides, have anti-inflammatory properties, and improve metabolism. Clinical evidence of cardiovascular benefit with omega-3 fatty acids is mixed. We discuss mechanisms providing biological plausibility of benefit of omega-3 fatty acids in cardiovascular risk reduction and review clinical trials investigating the benefits of prescription omega-3 fatty acids in dyslipidemia, atherosclerotic cardiovascular disease (ASCVD), and diabetes. RECENT FINDINGS Although early trials showed no benefit of omega-3 fatty acids in ASCVD, the REDUCE-IT trial noted significant risk reduction in ASCVD events with highly purified EPA (icosapent ethyl) use which has changed the landscape for currently available therapeutic options. However, other large trials like STRENGTH and VITAL, which used different formulations of prescription omega-3 fatty acids, did not note significant cardiovascular risk reduction. Thus the effectiveness of omega-3 fatty acids for cardiovascular disease prevention is an ongoing topic of debate. A relative paucity of studies examining benefits for glycemic outcomes in persons with diabetes exists; however, few studies have suggested lack of benefit to date. Significant residual cardiovascular risk exists for individuals with hypertriglyceridemia. Prescription omega-3 fatty acids are more commonly used for CV risk reduction in these patients. Clinical guideline statements now recommend icosapent ethyl use for selected individuals with hypertriglyceridemia to reduce cardiovascular events given recent evidence from the REDUCE-IT trial. Nonetheless, data from other large scale trials has been mixed, and future research is needed to better understand how different preparations of omega-3 may differ in their cardiovascular and metabolic effects, and the mechanisms for their benefit.
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Affiliation(s)
- Salman Bhat
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Sudipa Sarkar
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, The Johns Hopkins University School of Medicine, Baltimore, MD, USA
| | - Duha Zaffar
- Department of Internal Medicine, University of Maryland Midtown Campus, Baltimore, MD, USA
| | - Paresh Dandona
- Division of Endocrinology, Diabetes and Metabolism, University at Buffalo, Buffalo, NY, USA
| | - Rita R Kalyani
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine, The Johns Hopkins University School of Medicine, Baltimore, MD, USA.
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25
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Guo Y, Ma B, Li X, Hui H, Zhou Y, Li N, Xie X. n-3 PUFA can reduce IL-6 and TNF levels in patients with cancer. Br J Nutr 2023; 129:54-65. [PMID: 35249562 DOI: 10.1017/s0007114522000575] [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] [Indexed: 11/07/2022]
Abstract
Current studies on inhibitory effects of n-3 PUFA on pro-inflammatory cytokines have inconsistent results. Thus, a meta-analysis of randomised controlled trials was conducted to identify the effects of n-3 PUFA administration on circulating IL-6 and TNF in patients with cancer. Studies that examined the effects of n-3 PUFA administration on circulating IL-6 and TNF in patients with cancer were identified by searching PubMed and EMBASE from January 1975 to February 2021. Differences in n-3 PUFA administration and control conditions were determined by calculating standardised mean differences (SMD) with 95 % CI. Twenty studies involving 971 patients met the inclusion criteria. The overall SMD were 0·485 (95 % CI 0·087, 0·883) for IL-6 and 0·712 (95 % CI 0·461, 0·962) for TNF between n-3 PUFA administration and control conditions. Sources of heterogeneity were not found through subgroup and meta-regression analyses. Publication bias was observed in TNF with a slight contribution to the effect size. n-3 PUFA can reduce circulating IL-6 and TNF levels in patients with cancer. Results supported the recommendation of n-3 PUFA as adjuvant therapy for patients with cancer, possibly excluding head and neck cancer, owing to their anti-inflammatory properties.
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Affiliation(s)
- Yongzhong Guo
- Department of Respiratory and Critical Care Medicine, Xuzhou Central Hospital, The Xuzhou School of Clinical Medicine of Nanjing Medical University, Xuzhou Clinical School of Xuzhou Medical University, Xuzhou, Jiangsu, People's Republic of China
| | - Bo Ma
- Department of Orthopedics, the First Affiliated Hospital of Soochow University, Orthopedic Institute, Soochow University, Suzhou, Jiangsu, People's Republic of China
| | - Xinhua Li
- Shanxi Key Laboratory of Stem Cell for Immunological Dermatosis, Institute of Dermatology, Taiyuan City Center Hospital, Taiyuan Central Hospital of Shanxi Medical University, Taiyuan, Shanxi, People's Republic of China
| | - Hui Hui
- Department of Radiotherapy, Xuzhou Central Hospital, The Xuzhou School of Clinical Medicine of Nanjing Medical University, Xuzhou Clinical School of Xuzhou Medical University, Xuzhou, Jiangsu, People's Republic of China
| | - Yun Zhou
- Department of Radiotherapy, Xuzhou Central Hospital, The Xuzhou School of Clinical Medicine of Nanjing Medical University, Xuzhou Clinical School of Xuzhou Medical University, Xuzhou, Jiangsu, People's Republic of China
| | - Na Li
- Department of Radiotherapy, Xuzhou Central Hospital, The Xuzhou School of Clinical Medicine of Nanjing Medical University, Xuzhou Clinical School of Xuzhou Medical University, Xuzhou, Jiangsu, People's Republic of China
| | - Xiaomei Xie
- Department of Radiotherapy, Xuzhou Central Hospital, The Xuzhou School of Clinical Medicine of Nanjing Medical University, Xuzhou Clinical School of Xuzhou Medical University, Xuzhou, Jiangsu, People's Republic of China
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Huang N, Wang F, Li S, Zhai X, Ma W, Liu K, Sheerah HA, Cao J, Eshak ES. Associations of eicosapentaenoic acid and docosahexaenoic acid intakes with cardiovascular and all-cause mortality in patients with diabetes: Result from National Health and Nutrition Examination Survey 1999-2008. Front Cardiovasc Med 2023; 9:1031168. [PMID: 36698925 PMCID: PMC9868810 DOI: 10.3389/fcvm.2022.1031168] [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: 08/29/2022] [Accepted: 12/02/2022] [Indexed: 01/12/2023] Open
Abstract
Introduction The evidence on eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) intake status and long-term mortality among people with diabetes is scarce. This study aimed to investigate the relationship between EPA and DHA intakes with all-cause and cause-specific mortality in adults with diabetes. Methods This study included 2,991 adults with diabetes from the National Health and Nutrition Examination Survey (NHANES) 1999-2008. Death outcomes were ascertained by linkage to the database records through 31 December 2015. Cox proportional hazards regression models were used to estimate hazard ratios (HRs) and 95% confidence intervals (CIs) for mortality from all causes, cardiovascular disease (CVD), and coronary heart disease (CHD) in patients with diabetes. Results Among 2,991 patients with diabetes, the mean age was 61.9 years (55.2% males). During the mean follow-up duration of 9.4 years, a total of 1,091 deaths were documented, of which 273 were due to CVD, including 227 CHD deaths. EPA and DHA intakes were associated with lower mortality risks, especially that of CVD. After adjusting for demographic, major lifestyle factors, overall dietary intake patterns, and history of hypertension and dyslipidemia, the multivariable HRs (95% CIs) of mortality risk comparing Q4 to Q1 of EPA intake were 0.55 (0.33-0.92; P-trend = 0.019) for CHD, 0.55 (0.36-0.83; P-trend = 0.005) for CVD, and 0.91 (0.70-1.18; P-trend = 0.264) for all-cause. The respective HRs (95% CIs) comparing Q4 to Q1 of DHA were 0.60 (0.37-0.98; P-trend = 0.051) for CHD, 0.58 (0.38-0.89; P-trend = 0.014) for CVD, and 0.92 (0.72-1.18; P-trend = 0.481) for all-cause. In subgroup analysis, we found that the association trends of EPA and DHA intakes with death risk remained robust among patients with diabetes, especially among those who are old, female, those with higher BMI, and dyslipidemia patients with CVD and CHD. Discussion In the USA, higher EPA and DHA intakes were associated with a lower risk of CHD and CVD mortality in patients with diabetes. Our study supports the benefits of adequate EPA and DHA intakes in promoting the health of patients with diabetes.
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Affiliation(s)
- Nian Huang
- School of Public Health, Wuhan University, Wuhan, China
| | - Fang Wang
- Department of Biostatistics, School of Public Health, Xuzhou Medical University, Xuzhou, Jiangsu, China,Center for Medical Statistics and Data Analysis, Xuzhou Medical University, Xuzhou, Jiangsu, China
| | - Shiyang Li
- School of Public Health, Wuhan University, Wuhan, China
| | - Xiaobing Zhai
- Faculty of Applied Sciences, Center for Artificial Intelligence Driven Drug Discovery, Macao Polytechnic University, Macao, Macau SAR, China
| | - Wenzhi Ma
- School of Public Health, Wuhan University, Wuhan, China
| | - Keyang Liu
- Public Health, Department of Social Medicine, Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Haytham A. Sheerah
- Health Promotion and Health Education Research Chair, King Saud University, Riyadh, Saudi Arabia,Health Promotion Center, Riyadh, Saudi Arabia
| | - Jinhong Cao
- School of Management, Hubei University of Chinese Medicine, Wuhan, China,Research Center for the Development of Traditional Chinese Medicine, Hubei Province Project of Key Research Institute of Humanities and Social Sciences at Universities, Wuhan, China,*Correspondence: Jinhong Cao,
| | - Ehab S. Eshak
- Public Health and Community Medicine, Faculty of Medicine, Minia University, Minya, Egypt,Advanced Clinical Epidemiology, Medical Data Science Unit, Public Health, Graduate School of Medicine, Osaka University, Osaka, Japan,Public Health, School of Health, Calvin University, Grand Rapids, MI, United States
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Elisia I, Yeung M, Kowalski S, Wong J, Rafiei H, Dyer RA, Atkar-Khattra S, Lam S, Krystal G. Omega 3 supplementation reduces C-reactive protein, prostaglandin E 2 and the granulocyte/lymphocyte ratio in heavy smokers: An open-label randomized crossover trial. Front Nutr 2022; 9:1051418. [PMID: 36532545 PMCID: PMC9751896 DOI: 10.3389/fnut.2022.1051418] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/22/2022] [Accepted: 11/17/2022] [Indexed: 01/19/2024] Open
Abstract
OBJECTIVES Given the current controversy concerning the efficacy of omega 3 supplements at reducing inflammation, we evaluated the safety and efficacy of omega 3 on reducing inflammation in people with a 6-year lung cancer risk >1.5% and a C reactive protein (CRP) level >2 mg/L in a phase IIa cross-over study. MATERIALS AND METHODS Forty-nine healthy participants ages 55 to 80, who were still smoking or had smoked in the past with ≥30 pack-years smoking history, living in British Columbia, Canada, were randomized in an open-label trial to receive 2.4 g eicosapentaenoic acid (EPA) + 1.2 g docosahexaenoic acid (DHA)/day for 6 months followed by observation for 6 months or observation for 6 months first and then active treatment for the next 6 months. Blood samples were collected over 1 year for measurement of plasma CRP, plasma and red blood cell (RBC) membrane levels of EPA, DHA and other fatty acids, Prostaglandin E2 (PGE2), Leukotriene B4 (LTB4) and an inflammatory marker panel. RESULTS Twenty one participants who began the trial within the active arm completed the trial while 20 participants who started in the control arm completed the study. Taking omega 3 resulted in a significant decrease in plasma CRP and PGE2 but not LTB4 levels. Importantly, the effect size for the primary outcome, CRP values, at the end of the intervention relative to baseline was medium (Cohen's d = 0.56). DHA, but not EPA levels in RBC membranes inversely correlated with PGE2 levels. Omega 3 also led to a significant reduction in granulocytes and an increase in lymphocytes. These high-dose omega 3 supplements were well tolerated, with only minor gastrointestinal symptoms in a subset of participants. CONCLUSION Omega 3 fatty acids taken at 3.6 g/day significantly reduce systemic inflammation with negligible adverse health effects in people who smoke or have smoked and are at high risk of lung cancer.ClinicalTrials.gov, NCT number: NCT03936621.
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Affiliation(s)
- Ingrid Elisia
- The Terry Fox Laboratory, BC Cancer Research Centre, Vancouver, BC, Canada
| | - Michelle Yeung
- The Terry Fox Laboratory, BC Cancer Research Centre, Vancouver, BC, Canada
| | - Sara Kowalski
- The Terry Fox Laboratory, BC Cancer Research Centre, Vancouver, BC, Canada
| | - Jennifer Wong
- The Terry Fox Laboratory, BC Cancer Research Centre, Vancouver, BC, Canada
| | - Hossein Rafiei
- The Terry Fox Laboratory, BC Cancer Research Centre, Vancouver, BC, Canada
| | - Roger A. Dyer
- Analytical Core for Metabolomics and Nutrition, BC Children's Hospital Research Institute, Vancouver, BC, Canada
| | - Sukhinder Atkar-Khattra
- Department of Integrative Oncology, British Columbia Cancer Research Institute, Vancouver, BC, Canada
| | - Stephen Lam
- Department of Integrative Oncology, British Columbia Cancer Research Institute, Vancouver, BC, Canada
| | - Gerald Krystal
- The Terry Fox Laboratory, BC Cancer Research Centre, Vancouver, BC, Canada
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Davinelli S, Medoro A, Intrieri M, Saso L, Scapagnini G, Kang JX. Targeting NRF2-KEAP1 axis by Omega-3 fatty acids and their derivatives: Emerging opportunities against aging and diseases. Free Radic Biol Med 2022; 193:736-750. [PMID: 36402440 DOI: 10.1016/j.freeradbiomed.2022.11.017] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 11/01/2022] [Accepted: 11/10/2022] [Indexed: 11/18/2022]
Abstract
The transcription factor NRF2 and its endogenous inhibitor KEAP1 play a crucial role in the maintenance of cellular redox homeostasis by regulating the gene expression of diverse networks of antioxidant, anti-inflammatory, and detoxification enzymes. Therefore, activation of NRF2 provides cytoprotection against numerous pathologies, including age-related diseases. An age-associated loss of NRF2 function may be a key driving force behind the aging phenotype. Recently, numerous NRF2 inducers have been identified and some of them are promising candidates to restore NRF2 transcriptional activity during aging. Emerging evidence indicates that omega-3 (n-3) polyunsaturated fatty acids (PUFAs) and their electrophilic derivatives may trigger a protective response via NRF2 activation, rescuing or maintaining cellular redox homeostasis. In this review, we provide an overview of the NRF2-KEAP1 system and its dysregulation in aging cells. We also summarize current studies on the modulatory role of n-3 PUFAs as potential agents to prevent multiple chronic diseases and restore the age-related impairment of NRF2 function.
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Affiliation(s)
- Sergio Davinelli
- Department of Medicine and Health Sciences "V. Tiberio", University of Molise, Campobasso, Italy
| | - Alessandro Medoro
- Department of Medicine and Health Sciences "V. Tiberio", University of Molise, Campobasso, Italy
| | - Mariano Intrieri
- Department of Medicine and Health Sciences "V. Tiberio", University of Molise, Campobasso, Italy
| | - Luciano Saso
- Department of Physiology and Pharmacology "Vittorio Erspamer", Sapienza University of Rome, Rome, Italy
| | - Giovanni Scapagnini
- Department of Medicine and Health Sciences "V. Tiberio", University of Molise, Campobasso, Italy.
| | - Jing X Kang
- Laboratory for Lipid Medicine and Technology, Department of Medicine, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
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29
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So J, Asztalos BF, Horvath K, Lamon-Fava S. Ethyl EPA and ethyl DHA cause similar and differential changes in plasma lipid concentrations and lipid metabolism in subjects with low-grade chronic inflammation. J Clin Lipidol 2022; 16:887-894. [DOI: 10.1016/j.jacl.2022.10.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2022] [Revised: 06/06/2022] [Accepted: 10/11/2022] [Indexed: 11/06/2022]
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Huang L, Wu W, Huang L, Zhong J, Chen L, Wang M, Chen H. Antarctic krill ( Euphausia superba) oil modulatory effects on ethanol-induced acute injury of the gastric mucosa in rats. Front Nutr 2022; 9:1003627. [PMID: 36185650 PMCID: PMC9525105 DOI: 10.3389/fnut.2022.1003627] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/26/2022] [Accepted: 08/22/2022] [Indexed: 11/23/2022] Open
Abstract
Antarctic krill oil (KO) prepared using supercritical carbon dioxide extraction and characterized using gas chromatography-mass spectrometry was used to investigate its preventive effect on ethanol-induced gastric tissue damage in a rat model in vivo. KO characterization showed that 74.96% of the unsaturated fatty acids consist of oleic acid, eicosapentaenoic acid (EPA), and docosahexaenoic acid (DHA). Rats pre-treated with KO (100, 200, and 500 mg/kg) showed mitigated oxidative stress through enhanced antioxidant enzyme superoxide dismutase (SOD) and reducing enzymes malondialdehyde (MDA) and myeloperoxidase (MPO) in gastric mucosal injury induced by ethanol. Additionally, the secretion of pro-inflammatory cytokines (TNF-α, IL-6, and IL-1β), the expression of the IκBα/NF-κB signaling pathway, and nitric oxide (NO) production was suppressed. The results also demonstrated a significant decrease in histological injury and hemorrhage scores in a dose-dependent manner in the KO range. Therefore, KO has potential as a food supplement to alleviate ethanol-induced acute gastric mucosal injury.
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Affiliation(s)
- Luqiang Huang
- College of Life Science, Southern Institute of Oceanography, Fujian Normal University, Fuzhou, China
- The Public Service Platform for Industrialization Development Technology of Marine Biological Medicine and Product of State Oceanic Administration, Fujian Normal University, Fuzhou, China
- Marine Active Substance and Product Technology Research and Development Center of Ocean Research Institute of Fuzhou, Fujian Normal University, Fuzhou, China
| | - Wenxin Wu
- College of Life Science, Southern Institute of Oceanography, Fujian Normal University, Fuzhou, China
| | - Linshan Huang
- College of Life Science, Southern Institute of Oceanography, Fujian Normal University, Fuzhou, China
| | - Jiaze Zhong
- College of Life Science, Southern Institute of Oceanography, Fujian Normal University, Fuzhou, China
| | - Lei Chen
- College of Food Science and Technology, Guangdong Ocean University, Zhanjiang, China
| | - Meiying Wang
- School of Engineering, University of Guelph, Guelph, ON, Canada
| | - Huibin Chen
- College of Life Science, Southern Institute of Oceanography, Fujian Normal University, Fuzhou, China
- The Public Service Platform for Industrialization Development Technology of Marine Biological Medicine and Product of State Oceanic Administration, Fujian Normal University, Fuzhou, China
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Stromberg S, Baxter BA, Dooley G, LaVergne SM, Gallichotte E, Dutt T, Tipton M, Berry K, Haberman J, Natter N, Webb TL, McFann K, Henao-Tamayo M, Ebel G, Rao S, Dunn J, Ryan EP. Relationships between plasma fatty acids in adults with mild, moderate, or severe COVID-19 and the development of post-acute sequelae. Front Nutr 2022; 9:960409. [PMID: 36185653 PMCID: PMC9515579 DOI: 10.3389/fnut.2022.960409] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2022] [Accepted: 08/09/2022] [Indexed: 11/17/2022] Open
Abstract
Background SARS-CoV-2 has infected millions across the globe. Many individuals are left with persistent symptoms, termed post-acute sequelae of COVID-19 (PASC), for months after infection. Hyperinflammation in the acute and convalescent stages has emerged as a risk factor for poor disease outcomes, and this may be exacerbated by dietary inadequacies. Specifically, fatty acids are powerful inflammatory mediators and may have a significant role in COVID-19 disease modulation. Objective The major objective of this project was to pilot an investigation of plasma fatty acid (PFA) levels in adults with COVID-19 and to evaluate associations with disease severity and PASC. Methods and procedures Plasma from adults with (N = 41) and without (N = 9) COVID-19 was analyzed by gas chromatography-mass spectrometry (GC-MS) to assess differences between the concentrations of 18 PFA during acute infection (≤14 days post-PCR + diagnosis) in adults with varying disease severity. Participants were grouped based on mild, moderate, and severe disease, alongside the presence of PASC, a condition identified in patients who were followed beyond acute-stage infection (N = 23). Results Significant differences in PFA profiles were observed between individuals who experienced moderate or severe disease compared to those with mild infection or no history of infection. Palmitic acid, a saturated fat, was elevated in adults with severe disease (p = 0.04), while behenic (p = 0.03) and lignoceric acid (p = 0.009) were lower in adults with moderate disease. Lower levels of the unsaturated fatty acids, γ-linolenic acid (GLA) (p = 0.03), linoleic (p = 0.03), and eicosapentaenoic acid (EPA) (p = 0.007), were observed in adults with moderate disease. Oleic acid distinguished adults with moderate disease from severe disease (p = 0.04), and this difference was independent of BMI. Early recovery-stage depletion of GLA (p = 0.02) and EPA (p = 0.0003) was associated with the development of PASC. Conclusion Pilot findings from this study support the significance of PFA profile alterations during COVID-19 infection and are molecular targets for follow-up attention in larger cohorts. Fatty acids are practical, affordable nutritional targets and may be beneficial for modifying the course of disease after a COVID-19 diagnosis. Moreover, these findings can be particularly important for overweight and obese adults with altered PFA profiles and at higher risk for PASC. Clinical trial registration [ClinicalTrials.gov], identifier [NCT04603677].
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Affiliation(s)
- Sophia Stromberg
- Department of Food Science and Human Nutrition, Colorado State University, Fort Collins, CO, United States
| | - Bridget A. Baxter
- Department of Environmental and Radiological Health Sciences, Colorado State University, Fort Collins, CO, United States
| | - Gregory Dooley
- Department of Environmental and Radiological Health Sciences, Colorado State University, Fort Collins, CO, United States
| | - Stephanie M. LaVergne
- Department of Environmental and Radiological Health Sciences, Colorado State University, Fort Collins, CO, United States
| | - Emily Gallichotte
- Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, CO, United States
| | - Taru Dutt
- Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, CO, United States
| | - Madison Tipton
- Department of Environmental and Radiological Health Sciences, Colorado State University, Fort Collins, CO, United States
| | - Kailey Berry
- Department of Environmental and Radiological Health Sciences, Colorado State University, Fort Collins, CO, United States
| | - Jared Haberman
- Department of Environmental and Radiological Health Sciences, Colorado State University, Fort Collins, CO, United States
| | - Nicole Natter
- Department of Environmental and Radiological Health Sciences, Colorado State University, Fort Collins, CO, United States
| | - Tracy L. Webb
- Department of Clinical Sciences, Colorado State University, Fort Collins, CO, United States
| | - Kim McFann
- University of Colorado Health, Medical Center of the Rockies, Loveland, CO, United States
| | - Marcela Henao-Tamayo
- Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, CO, United States
| | - Greg Ebel
- Department of Microbiology, Immunology and Pathology, Colorado State University, Fort Collins, CO, United States
| | - Sangeeta Rao
- Department of Clinical Sciences, Colorado State University, Fort Collins, CO, United States
| | - Julie Dunn
- University of Colorado Health, Medical Center of the Rockies, Loveland, CO, United States
| | - Elizabeth P. Ryan
- Department of Environmental and Radiological Health Sciences, Colorado State University, Fort Collins, CO, United States
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Noureddine N, Hartling I, Wawrzyniak P, Srikanthan P, Lou PH, Lucchinetti E, Krämer SD, Rogler G, Zaugg M, Hersberger M. Lipid emulsion rich in n-3 polyunsaturated fatty acids elicits a pro-resolution lipid mediator profile in mouse tissues and in human immune cells. Am J Clin Nutr 2022; 116:786-797. [PMID: 35849016 DOI: 10.1093/ajcn/nqac131] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2022] [Accepted: 05/07/2022] [Indexed: 11/13/2022] Open
Abstract
BACKGROUND Lipid emulsions are a key component of total parenteral nutrition (TPN) and are administered to patients who are unable to ingest their daily required calories orally. Lipid emulsions rich with n-6 (ω-6) PUFAs are known to cause parenteral nutrition-associated liver disease and have inflammatory side effects, whereas n-3 PUFA-rich emulsions have favourable clinical outcomes. OBJECTIVES The present study used targeted lipid mediator analysis to investigate the metabolism of a n-3 PUFA-rich lipid emulsion and a n-6 PUFA-rich lipid emulsion in a mouse model of TPN and in primary human monocyte-derived macrophages (MDMs) and CD4+ T cells. RESULTS Mice given n-3 PUFA-based TPN for 7 d had a less proinflammatory lipid mediator profile compared with those receiving n-6 PUFA-based TPN. This was characterized by higher concentrations of specialized pro-resolving mediators (SPMs) and endocannabinoids, including resolvin D (RvD) 1, maresin (MaR) 1, MaR2, protectin D1 (PD1), protectin DX (PDX), and the endocannabinoids eicosapentaenoyl ethanolamide (EPEA) and docosahexaenoyl ethanolamide (DHEA) in the liver and RvD1, 17R-RvD1, RvD2, RvD3, RvD5, MaR1, MaR2, PD1, PDX, and EPEA and DHEA in the spleen. The spleen was identified as a source of high lipid mediator and SPM formation as lipid mediator concentrations were on average 25-fold higher than in the liver. Additionally, n-3 PUFA-treated primary human MDMs produced RvD5 and the endocannabinoids EPEA and DHEA, which was associated with an increased IL-10 secretion. In contrast, primary human CD4+ T cells showed only an increase in SPM precursors and an increase in the endocannabinoids EPEA and DHEA, which was associated with reduced cytokine expression. CONCLUSIONS This demonstrates that lipid mediators, particularly SPMs and endocannabinoids from spleen, could play a key role in facilitating the favorable clinical outcomes associated with the use of n-3 PUFA-rich lipid emulsions in TPN.
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Affiliation(s)
- Nazek Noureddine
- Division of Clinical Chemistry and Biochemistry, Children's Research Center, University Children's Hospital Zurich, Zurich, Switzerland.,Center for Integrative Human Physiology, University of Zurich, Zurich, Switzerland
| | - Ivan Hartling
- Division of Clinical Chemistry and Biochemistry, Children's Research Center, University Children's Hospital Zurich, Zurich, Switzerland.,Center for Integrative Human Physiology, University of Zurich, Zurich, Switzerland
| | - Paulina Wawrzyniak
- Division of Clinical Chemistry and Biochemistry, Children's Research Center, University Children's Hospital Zurich, Zurich, Switzerland
| | - Pakeerathan Srikanthan
- Division of Clinical Chemistry and Biochemistry, Children's Research Center, University Children's Hospital Zurich, Zurich, Switzerland
| | - Phing-How Lou
- Department of Anesthesiology and Pain Medicine and Cardiovascular Research Centre, University of Alberta, Edmonton, Alberta, Canada
| | - Eliana Lucchinetti
- Department of Anesthesiology and Pain Medicine and Cardiovascular Research Centre, University of Alberta, Edmonton, Alberta, Canada
| | - Stefanie D Krämer
- Institute of Pharmaceutical Sciences, Department of Chemistry and Applied Biosciences, ETH Zurich, Zurich, Switzerland
| | - Gerhard Rogler
- Department of Gastroenterology and Hepatology, University Hospital Zurich and University of Zurich, Zurich, Switzerland
| | - Michael Zaugg
- Department of Anesthesiology and Pain Medicine and Cardiovascular Research Centre, University of Alberta, Edmonton, Alberta, Canada.,Department of Pharmacology, University of Alberta, Edmonton, Alberta, Canada
| | - Martin Hersberger
- Division of Clinical Chemistry and Biochemistry, Children's Research Center, University Children's Hospital Zurich, Zurich, Switzerland.,Center for Integrative Human Physiology, University of Zurich, Zurich, Switzerland
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Ramadan Q, Alawami H, Zourob M. Microfluidic system for immune cell activation and inflammatory cytokine profiling: Application to screening of dietary supplements for anti-inflammatory properties. BIOMICROFLUIDICS 2022; 16:054105. [PMID: 36238726 PMCID: PMC9553286 DOI: 10.1063/5.0105187] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/22/2022] [Accepted: 09/19/2022] [Indexed: 06/16/2023]
Abstract
A versatile and reconfigurable microfluidic chip has been fully in-house fabricated and tested for immune cell culture, activation, and quantification of multi-cytokine secretion. The chip comprises three vertically stacked fluidic layers for perfusion, cell culture and cytokine capture, and quantification, respectively. The perfused media were separated from the cell culture by employing a biomimetic membrane as a model of the intestinal epithelial layer. Time-resolved detection and quantification of several secreted cytokines were enabled by an array of parallel channels, which are interfaced with the cell culture by a porous membrane. Each channel hosts magnetic beads conjugated with a specific antibody against the cytokine of interest. Magnetic bead-assisted agitation enables homogenization of the cell culture supernatant and perfusion of the cytokines through the bottom immune assay channels. As a proof of concept, THP-1 monocytic cells and their induced macrophages were used as a model of immune-responsive cells. The cells were sequentially stimulated by lipopolysaccharides and two dietary supplements, namely, docosahexaenoic acid (DHA) and curcumin, which are known to possess inflammasome-modulating activity. Both DHA and curcumin have shown anti-inflammatory effects by downregulating the secretion of TNFα, IL-6, IL-1β, and IL-10. Treatment of the cells with DHA and curcumin together lowered the TNFα secretion by ∼54%. IL-6 secretion was lowered upon cell treatment with curcumin, DHA, or DHA and curcumin co-treatment by 69%, 78%, or 67%, respectively. IL-1β secretion was lowered by 67% upon curcumin treatment and 70% upon curcumin and DHA co-treatment. IL-10 secretion was also lowered upon treating the cells with DHA, curcumin, or DHA and curcumin together by 7%, 53%, or 54%, respectively. The limit of the detection of the assay was determined as 25 pg/ml. Four cytokine profiling was demonstrated, but the design of the chip can be improved to allow a larger number of cytokines to be simultaneously detected from the same set of cells.
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Affiliation(s)
- Qasem Ramadan
- College of Science and General Studies, Alfaisal University, Riyadh 11533, Saudi Arabia
| | - Hawra Alawami
- College of Science and General Studies, Alfaisal University, Riyadh 11533, Saudi Arabia
| | - Mohammed Zourob
- College of Science and General Studies, Alfaisal University, Riyadh 11533, Saudi Arabia
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Omega-3 Fatty Acids for the Management of Osteoarthritis: A Narrative Review. Nutrients 2022; 14:nu14163362. [PMID: 36014868 PMCID: PMC9413343 DOI: 10.3390/nu14163362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2022] [Revised: 08/11/2022] [Accepted: 08/13/2022] [Indexed: 12/02/2022] Open
Abstract
Osteoarthritis (OA) is a disease which results in degeneration of cartilage within joints and affects approximately 13.6% of adults over 20 years of age in Canada and the United States of America. OA is characterized by a state of low-grade inflammation which leads to a greater state of cellular catabolism disrupting the homeostasis of cartilage synthesis and degradation. Omega-3 polyunsaturated fatty acids (PUFAs) have been postulated as a potential therapeutic treatment option for individuals with OA. Omega-3 PUFAs are recognized for their anti-inflammatory properties, which could be beneficial in the context of OA to moderate pro-inflammatory markers and cartilage loss. The purpose of this narrative review is to outline recent pre-clinical and clinical evidence for the use of omega-3 in the management of OA.
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Dellino M, Cascardi E, Vinciguerra M, Lamanna B, Malvasi A, Scacco S, Acquaviva S, Pinto V, Di Vagno G, Cormio G, De Luca R, Lafranceschina M, Cazzato G, Ingravallo G, Maiorano E, Resta L, Daniele A, La Forgia D. Nutrition as Personalized Medicine against SARS-CoV-2 Infections: Clinical and Oncological Options with a Specific Female Groups Overview. Int J Mol Sci 2022; 23:ijms23169136. [PMID: 36012402 PMCID: PMC9409275 DOI: 10.3390/ijms23169136] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/18/2022] [Revised: 08/10/2022] [Accepted: 08/12/2022] [Indexed: 01/08/2023] Open
Abstract
Coronavirus disease 2019 (COVID-19) is a respiratory disease caused by severe acute respiratory syndrome coronavirus-2 (SARS-CoV-2). It is acknowledged that vulnerable people can suffer from mortal complications of COVID-19. Therefore, strengthening the immune system particularly in the most fragile people could help to protect them from infection. First, general nutritional status and food consumption patterns of everyone affect the effectiveness of each immune system. The effects of nutrition could impact the level of intestinal and genital microbiota, the adaptive immune system, and the innate immune system. Indeed, immune system cells and mediators, which are crucial to inflammatory reaction, are in the structures of fats, carbohydrates, and proteins and are activated through vitamins (vit) and minerals. Therefore, the association of malnutrition and infection could damage the immune response, reducing the immune cells and amplifying inflammatory mediators. Both amount and type of dietary fat impact on cytokine biology, that consequently assumes a crucial role in inflammatory disease. This review explores the power of nutrition in the immune response against COVID-19 infection, since a specific diet could modify the cytokine storm during the infection phase. This can be of vital importance in the most vulnerable subjects such as pregnant women or cancer patients to whom we have deemed it necessary to dedicate personalized indications.
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Affiliation(s)
- Miriam Dellino
- Department of Biomedical Sciences and Human Oncology, University of Bari, 70100 Bari, Italy
- Clinic of Obstetrics and Gynecology, “San Paolo” Hospital, 70123 Bari, Italy
- Correspondence: (M.D.); (E.C.)
| | - Eliano Cascardi
- Department of Medical Sciences, University of Turin, 10124 Turin, Italy
- Pathology Unit, FPO-IRCCS Candiolo Cancer Institute, Str. Provinciale 142, Km 3.95, 10060 Candiolo, Italy
- Correspondence: (M.D.); (E.C.)
| | - Marina Vinciguerra
- Department of Biomedical Sciences and Human Oncology, University of Bari, 70100 Bari, Italy
| | - Bruno Lamanna
- Department of Biomedical Sciences and Human Oncology, University of Bari, 70100 Bari, Italy
- Fetal Medicine Research Institute, King’s College Hospital, London SE5 9RS, UK
| | - Antonio Malvasi
- Department of Biomedical Sciences and Human Oncology, University of Bari, 70100 Bari, Italy
| | - Salvatore Scacco
- Department of Basic Medical Sciences and Neurosciences, University of Bari “Aldo Moro”, 70121 Bari, Italy
| | - Silvia Acquaviva
- Department of Basic Medical Sciences and Neurosciences, University of Bari “Aldo Moro”, 70121 Bari, Italy
| | - Vincenzo Pinto
- Department of Biomedical Sciences and Human Oncology, University of Bari, 70100 Bari, Italy
| | - Giovanni Di Vagno
- Clinic of Obstetrics and Gynecology, “San Paolo” Hospital, 70123 Bari, Italy
| | - Gennaro Cormio
- Gynecologic Oncology Unit, IRCCS Istituto Tumori Giovanni Paolo II, Department of Interdisciplinary Medicine (DIM), University of Bari “Aldo Moro”, 70121 Bari, Italy
| | | | | | - Gerardo Cazzato
- Department of Emergency and Organ Transplantation, University of Bari “Aldo Moro”, 70121 Bari, Italy
| | - Giuseppe Ingravallo
- Department of Emergency and Organ Transplantation, University of Bari “Aldo Moro”, 70121 Bari, Italy
| | - Eugenio Maiorano
- Department of Emergency and Organ Transplantation, University of Bari “Aldo Moro”, 70121 Bari, Italy
| | - Leonardo Resta
- Department of Emergency and Organ Transplantation, University of Bari “Aldo Moro”, 70121 Bari, Italy
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Hu J, Zhao M, Zhao Y, Dong W, Huang X, Zhang S. Increased body mass index linked to decreased neutralizing antibody titers of inactivated SARS-CoV-2 vaccine in healthcare workers. Obes Sci Pract 2022; 9:OSP4626. [PMID: 35941911 PMCID: PMC9348346 DOI: 10.1002/osp4.626] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Revised: 04/14/2022] [Accepted: 05/28/2022] [Indexed: 11/11/2022] Open
Abstract
Objective Obesity is an important risk factor for COVID-19. However, whether obesity affects SARS-CoV-2 antibody production is unclear. This study aimed to identify the influence of obesity on neutralizing antibody production of an inactivated SARS-CoV-2 vaccine to better guide vaccination strategies. Methods This cross-sectional study recruited a total of 239 healthcare workers (age, 21-50 years) from Suining Central Hospital during 22-23 April 2021. An electronic questionnaire on basic characteristics was completed by all participants. A general physical exam and fasting blood sampling by venipuncture were performed. Peripheral leukocyte counts and the ratios of leukocyte subsets, hepatorenal function, and the neutralizing antibody titers against SARS-CoV-2 were measured. Results Among 239 healthcare workers, the participants with underweight, normal weight, overweight, and obesity accounted for 10.88%, 64.44%, 23.01%, and 1.67%, respectively. The highest peripheral monocyte counts were observed in the group with obesity, whereas the lowest were observed in the group with normal weight. Similar results were obtained with respect to percentage of peripheral monocytes. Participants with obesity had higher peripheral eosinophil counts and percentages than the other three groups. The median neutralizing antibody titer was 12.70 AU/mL, with 85.36% (n = 204) of participants were sufficiently protected against SARS-CoV-2. The lowest neutralizing antibody titers were observed in the group with obesity, whereas the highest were observed in the group that was underweight. Additionally, high BMI was significantly associated with high peripheral monocyte counts [B (95% CI) = 0.008 (0.002, 0.013)] and low neutralizing antibody titers [B (95% CI) = -1.934 (-3.663, -0.206)]. Conclusions Obesity could induce chronic inflammation, and associated with lower neutralizing antibody titers against SARS-CoV-2 after inactivated SARS-CoV-2 vaccination.
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Affiliation(s)
- Juan Hu
- Department of Clinical Laboratory MedicineSuining Central HospitalSuiningSichuanChina
| | - Mingcai Zhao
- Department of Clinical Laboratory MedicineSuining Central HospitalSuiningSichuanChina
| | - Yongmei Zhao
- Department of Prenatal Diagnostic CenterSuining Central HospitalSuiningSichuanChina
| | - Wenjuan Dong
- Department of Public Health Administration and Health EducationSuining Central HospitalSuiningSichuanChina
| | - Xuemei Huang
- Department of Clinical Laboratory MedicineSuining Central HospitalSuiningSichuanChina
| | - Shaocheng Zhang
- Department of Clinical Laboratory MedicineSuining Central HospitalSuiningSichuanChina
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Health Benefits, Food Applications, and Sustainability of MI-Croalgae-Derived N-3 Pufa. Foods 2022; 11:foods11131883. [PMID: 35804698 PMCID: PMC9265382 DOI: 10.3390/foods11131883] [Citation(s) in RCA: 17] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/06/2022] [Revised: 06/03/2022] [Accepted: 06/15/2022] [Indexed: 01/27/2023] Open
Abstract
Today’s consumers are increasingly aware of the beneficial effects of n-3 PUFA in preventing, delaying, and intervening various diseases, such as coronary artery disease, hypertension, diabetes, inflammatory and autoimmune disorders, neurodegenerative diseases, depression, and many other ailments. The role of n-3 PUFA on aging and cognitive function is also one of the hot topics in basic research, product development, and clinical applications. For decades, n-3 PUFA, especially EPA and DHA, have been supplied by fish oil and seafood. With the continuous increase of global population, awareness about the health benefits of n-3 PUFA, and socioeconomic improvement worldwide, the supply chain is facing increasing challenges of insufficient production. In this regard, microalgae have been well considered as promising sources of n-3 PUFA oil to mitigate the supply shortages. The use of microalgae to produce n-3 PUFA-rich oils has been explored for over two decades and some species have already been used commercially to produce n-3 PUFA, in particular EPA- and/or DHA-rich oils. In addition to n-3 PUFA, microalgae biomass contains many other high value biomolecules, which can be used in food, dietary supplement, pharmaceutical ingredient, and feedstock. The present review covers the health benefits of n-3 PUFA, EPA, and DHA, with particular attention given to the various approaches attempted in the nutritional interventions using EPA and DHA alone or combined with other nutrients and bioactive compounds towards improved health conditions in people with mild cognitive impairment and Alzheimer’s disease. It also covers the applications of microalgae n-3 PUFA in food and dietary supplement sectors and the economic and environmental sustainability of using microalgae as a platform for n-3 PUFA-rich oil production.
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Dyall SC, Balas L, Bazan NG, Brenna JT, Chiang N, da Costa Souza F, Dalli J, Durand T, Galano JM, Lein PJ, Serhan CN, Taha AY. Polyunsaturated fatty acids and fatty acid-derived lipid mediators: Recent advances in the understanding of their biosynthesis, structures, and functions. Prog Lipid Res 2022; 86:101165. [PMID: 35508275 PMCID: PMC9346631 DOI: 10.1016/j.plipres.2022.101165] [Citation(s) in RCA: 174] [Impact Index Per Article: 87.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2022] [Revised: 03/26/2022] [Accepted: 04/27/2022] [Indexed: 12/21/2022]
Abstract
Polyunsaturated fatty acids (PUFAs) are structural components of membrane phospholipids, and influence cellular function via effects on membrane properties, and also by acting as a precursor pool for lipid mediators. These lipid mediators are formed via activation of pathways involving at least one step of dioxygen-dependent oxidation, and are consequently called oxylipins. Their biosynthesis can be either enzymatically-dependent, utilising the promiscuous cyclooxygenase, lipoxygenase, or cytochrome P450 mixed function oxidase pathways, or nonenzymatic via free radical-catalyzed pathways. The oxylipins include the classical eicosanoids, comprising prostaglandins, thromboxanes, and leukotrienes, and also more recently identified lipid mediators. With the advent of new technologies there is growing interest in identifying these different lipid mediators and characterising their roles in health and disease. This review brings together contributions from some of those at the forefront of research into lipid mediators, who provide brief introductions and summaries of current understanding of the structure and functions of the main classes of nonclassical oxylipins. The topics covered include omega-3 and omega-6 PUFA biosynthesis pathways, focusing on the roles of the different fatty acid desaturase enzymes, oxidized linoleic acid metabolites, omega-3 PUFA-derived specialized pro-resolving mediators, elovanoids, nonenzymatically oxidized PUFAs, and fatty acid esters of hydroxy fatty acids.
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Kotlyarov S, Kotlyarova A. Molecular Pharmacology of Inflammation Resolution in Atherosclerosis. Int J Mol Sci 2022; 23:ijms23094808. [PMID: 35563200 PMCID: PMC9104781 DOI: 10.3390/ijms23094808] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 04/18/2022] [Accepted: 04/25/2022] [Indexed: 02/01/2023] Open
Abstract
Atherosclerosis is one of the most important problems of modern medicine as it is the leading cause of hospitalizations, disability, and mortality. The key role in the development and progression of atherosclerosis is the imbalance between the activation of inflammation in the vascular wall and the mechanisms of its control. The resolution of inflammation is the most important physiological mechanism that is impaired in atherosclerosis. The resolution of inflammation has complex, not fully known mechanisms, in which lipid mediators derived from polyunsaturated fatty acids (PUFAs) play an important role. Specialized pro-resolving mediators (SPMs) represent a group of substances that carry out inflammation resolution and may play an important role in the pathogenesis of atherosclerosis. SPMs include lipoxins, resolvins, maresins, and protectins, which are formed from PUFAs and regulate many processes related to the active resolution of inflammation. Given the physiological importance of these substances, studies examining the possibility of pharmacological effects on inflammation resolution are of interest.
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Affiliation(s)
- Stanislav Kotlyarov
- Department of Nursing, Ryazan State Medical University, 390026 Ryazan, Russia
- Correspondence:
| | - Anna Kotlyarova
- Department of Pharmacology and Pharmacy, Ryazan State Medical University, 390026 Ryazan, Russia;
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Zúñiga-Hernández J, Sambra V, Echeverría F, Videla LA, Valenzuela R. N-3 PUFAs and their specialized pro-resolving lipid mediators on airway inflammatory response: beneficial effects in the prevention and treatment of respiratory diseases. Food Funct 2022; 13:4260-4272. [PMID: 35355027 DOI: 10.1039/d1fo03551g] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
Respiratory diseases include a wide range of pathologies with different clinical manifestations, affecting the normal airways and lung function. An increase in the inflammatory response is considered a characteristic hallmark of these diseases, being also a critical factor for their progression. The n-3 polyunsaturated fatty acids (n-3 PUFAs) eicosapentaenoic acid (C20:4n-3, EPA), docosahexaenoic acid (C22:6n-3, DHA) and their lipid mediators are known to have an inflammation pro-resolution effect. The effects of these n-3 PUFAs in the prevention and treatment of respiratory diseases are beginning to be understood. Consequently, this article aims to analyze the influence of n-3 PUFAs and their lipid mediators on the inflammatory response in respiratory health, emphasizing recent data concerning their beneficial effects in the prevention and possible treatment of different respiratory diseases, particularly asthma, airway allergic syndromes and chronic obstructive pulmonary disease. The review includes studies regarding the effects of EPA, DHA, and their specialized pro-resolving lipid mediators (SPMs) on in vivo and in vitro models of respiratory disease, concluding that EPA and DHA have a positive impact in attenuating the pro-inflammatory response in respiratory diseases, reducing symptoms like nasal congestion, fever and difficulty in breathing. Controversial data reported are probably due to differences in several factors, including the dosages, administration vehicles, and the supplementation times employed, which are aspects that remain to be addressed in future studies.
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Affiliation(s)
| | - Verónica Sambra
- Nutrition Department, Faculty of Medicine, University of Chile, Santiago, Chile.
| | - Francisca Echeverría
- Nutrition Department, Faculty of Medicine, University of Chile, Santiago, Chile. .,Carrera de Nutrición y Dietética, Departamento Ciencias de la Salud, Facultad de Medicina, Pontificia Universidad Católica de Chile, Santiago, Chile
| | - Luis A Videla
- Molecular and Clinical Pharmacology Program, Institute of Biomedical Science, Faculty of Medicine, University of Chile, Santiago, Chile
| | - Rodrigo Valenzuela
- Nutrition Department, Faculty of Medicine, University of Chile, Santiago, Chile.
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The effect of polyunsaturated fatty acids on the severity and mortality of COVID patients: A systematic review. Life Sci 2022; 299:120489. [PMID: 35358595 PMCID: PMC8958853 DOI: 10.1016/j.lfs.2022.120489] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2021] [Revised: 02/11/2022] [Accepted: 03/16/2022] [Indexed: 02/07/2023]
Abstract
Background Covid-19 mortality is largely associated with a severe increase in inflammatory cytokines and polyunsaturated fatty acids (PUFAs) play an important role in modulating immune pathways and inflammatory responses; so this study was done to evaluate the effect of polyunsaturated fatty acids on the prognosis of Covid-19 disease. Methods and materials A comprehensive search was conducted in PubMed, Scopus and Web of Science. For systematic identification, the search was performed based on the following keywords COVID-19, SARS-CoV-2, COVID, Coronavirus Disease 19, SARS COV- 2 Infection, SARS-CoV-2, COVID19, Coronavirus Disease, Fatty Acids, Omega-3, Omega-3 Fatty Acid, Omega-6, n 3 Fatty and Omega-9 in the mentioned databases, using OR, and AND. All searched articles were included in the study and retrieved, and End-Note X7 software was used to manage the studies. Results Findings on the relationship between omega-3 and omega-6 fatty acids and the risk of Covid-19 are various, but omega-3 supplements have been found to be 12 to 21% effective in reducing the risk of Covid-19. Most studies emphasized the increasing severity of the disease and the need for mechanical ventilation and hospitalization due to polyunsaturated fatty acid deficiency. It is also demonstrated that omega-3 fatty acid deficiency increased mortality in patients with Covid-19. However, there is also a warning that in critical cases, elevated levels of fatty acids in patients' lungs and a cytokine storm are the main reasons for mortality in Covid-19 patients. Conclusion Polyunsaturated fatty acids can reduce the risk of covid-19 which could be considered as a preventative, inexpensive and safe method. However, the risk of taking high-dose omega-3 supplements before or during SARS-COV-2 infection needs to be investigated.
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Specialized Proresolving Lipid Mediators: A Potential Therapeutic Target for Atherosclerosis. Int J Mol Sci 2022; 23:ijms23063133. [PMID: 35328553 PMCID: PMC8955102 DOI: 10.3390/ijms23063133] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Revised: 03/08/2022] [Accepted: 03/09/2022] [Indexed: 12/20/2022] Open
Abstract
Cardiovascular disease (CVD) is a global public health issue due to its high morbidity, mortality, and economic impact. The implementation of innovative therapeutic alternatives for CVD is urgently required. Specialized proresolving lipid mediators (SPMs) are bioactive compounds derived from ω-3 and ω-6 fatty acids, integrated into four families: Lipoxins, Resolvins, Protectins, and Maresins. SPMs have generated interest in recent years due to their ability to promote the resolution of inflammation associated with the pathogeneses of numerous illnesses, particularly CVD. Several preclinical studies in animal models have evidenced their ability to decrease the progression of atherosclerosis, intimal hyperplasia, and reperfusion injury via diverse mechanisms. Large-scale clinical trials are required to determine the effects of SPMs in humans. This review integrates the currently available knowledge of the therapeutic impact of SPMs in CVD from preclinical and clinical studies, along with the implicated molecular pathways. In vitro results have been promising, and as such, SPMs could soon represent a new therapeutic alternative for CVD.
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Boyer BB, Hopkins SE, Wiener HW, Purnell JQ, O'Brien DM, Zhang CX, Aslan JE, Aliwarga T, Pomeroy JJ, Thummel KE, Tiwari HK. Habitual Intake of Marine-Derived n-3 PUFAs is Inversely Associated with a Cardiometabolic Inflammatory Profile in Yup'ik Alaska Native People. J Nutr 2022; 152:844-855. [PMID: 34871429 PMCID: PMC8891177 DOI: 10.1093/jn/nxab412] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/13/2021] [Revised: 11/17/2021] [Accepted: 12/01/2021] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND The relationship between dietary n-3 PUFAs and the prevention of cardiometabolic diseases, including type 2 diabetes, is unresolved. Examination of the association between n-3 PUFAs and chronic low-grade inflammation in a population where many individuals have had an extremely high intake of marine mammals and fish throughout their lifespan may provide important clues regarding the impact of n-3 PUFAs on health. OBJECTIVES The aim of this study was to explore associations between concentrations of n-3 PUFAs resulting from habitual intake of natural food sources high in fish and marine mammals with immune biomarkers of metabolic inflammation and parameters of glucose regulation. METHODS A total of 569 Yup'ik Alaska Native adults (18-87 years old) were enrolled in this cross-sectional study between December 2016 and November 2019. The RBC nitrogen isotope ratio (NIR; 15N/14N) was used as a validated measure of n-3 PUFA intake to select 165 participant samples from the first and fourth quartiles of n-3 PUFA intakes. Outcomes included 38 pro- and anti-inflammatory cytokines and 8 measures of glucose homeostasis associated with type 2 diabetes risks. These outcomes were evaluated for their associations with direct measurements of EPA, DHA, and arachidonic acid in RBCs. ANALYSIS Linear regression was used to detect significant relationships with cytokines and n-3 PUFAs, adiposity, and glucose-related variables. RESULTS The DHA concentration in RBC membranes was inversely associated with IL-6 (β = -0.0066; P < 0.001); EPA was inversely associated with TNFα (β = -0.4925; P < 0.001); and the NIR was inversely associated with Monocyte chemoattractant protein-1 (MCP-1) (β = -0.8345; P < 0.001) and IL-10 (β = -1.2868; P < 0.001). CONCLUSIONS Habitual intake of marine mammals and fish rich in n-3 PUFAs in this study population of Yup'ik Alaska Native adults is associated with reduced systemic inflammation, which may contribute to the low prevalence of diseases in which inflammation plays an important role.
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Affiliation(s)
- Bert B Boyer
- Department of Obstetrics and Gynecology, Oregon Health & Science University, Portland, OR, USA
| | - Scarlett E Hopkins
- Department of Obstetrics and Gynecology, Oregon Health & Science University, Portland, OR, USA
| | - Howard W Wiener
- Department of Statistics, University of Alabama at Birmingham, Birmingham, AL, USA
| | - Jonathan Q Purnell
- Department of Medicine, Oregon Health & Science University, Portland, OR, USA
| | - Diane M O'Brien
- Department of Biology and Wildlife, University of Alaska Fairbanks, Fairbanks, AK, USA
| | - Cindy X Zhang
- Department of Pharmaceutics, University of Washington, Seattle, WA, USA
| | - Joseph E Aslan
- Department of Medicine, Oregon Health & Science University, Portland, OR, USA
| | - Theresa Aliwarga
- Department of Pharmaceutics, University of Washington, Seattle, WA, USA
| | - Jeremy J Pomeroy
- Clinical Research Center, Marshfield Clinic, Marshfield, WI, USA
| | - Kenneth E Thummel
- Department of Pharmaceutics, University of Washington, Seattle, WA, USA
| | - Hemant K Tiwari
- Department of Statistics, University of Alabama at Birmingham, Birmingham, AL, USA
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Sottero B, Testa G, Gamba P, Staurenghi E, Giannelli S, Leonarduzzi G. Macrophage polarization by potential nutraceutical compounds: A strategic approach to counteract inflammation in atherosclerosis. Free Radic Biol Med 2022; 181:251-269. [PMID: 35158030 DOI: 10.1016/j.freeradbiomed.2022.02.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/02/2021] [Revised: 01/27/2022] [Accepted: 02/09/2022] [Indexed: 12/13/2022]
Abstract
Chronic inflammation represents a main event in the onset and progression of atherosclerosis and is closely associated with oxidative stress in a sort of vicious circle that amplifies and sustains all stages of the disease. Key players of atherosclerosis are monocytes/macrophages. According to their pro- or anti-inflammatory phenotype and biological functions, lesional macrophages can release various mediators and enzymes, which in turn contribute to plaque progression and destabilization or, alternatively, lead to its resolution. Among the factors connected to atherosclerotic disease, lipid species carried by low density lipoproteins and pro-oxidant stimuli strongly promote inflammatory events in the vasculature, also by modulating the macrophage phenotyping. Therapies specifically aimed to balance macrophage inflammatory state are increasingly considered as powerful tools to counteract plaque formation and destabilization. In this connection, several molecules of natural origin have been recognized to be active mediators of diverse metabolic and signaling pathways regulating lipid homeostasis, redox state, and inflammation; they are, thus, considered as promising candidates to modulate macrophage responsiveness to pro-atherogenic stimuli. The current knowledge of the capability of nutraceuticals to target macrophage polarization and to counteract atherosclerotic lesion progression, based mainly on in vitro investigation, is summarized in the present review.
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Affiliation(s)
- Barbara Sottero
- Department of Clinical and Biological Sciences, School of Medicine, University of Turin, Orbassano, Torino, Italy
| | - Gabriella Testa
- Department of Clinical and Biological Sciences, School of Medicine, University of Turin, Orbassano, Torino, Italy
| | - Paola Gamba
- Department of Clinical and Biological Sciences, School of Medicine, University of Turin, Orbassano, Torino, Italy
| | - Erica Staurenghi
- Department of Clinical and Biological Sciences, School of Medicine, University of Turin, Orbassano, Torino, Italy
| | - Serena Giannelli
- Department of Clinical and Biological Sciences, School of Medicine, University of Turin, Orbassano, Torino, Italy
| | - Gabriella Leonarduzzi
- Department of Clinical and Biological Sciences, School of Medicine, University of Turin, Orbassano, Torino, Italy.
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Dalli J, Gomez EA, Jouvene CC. Utility of the Specialized Pro-Resolving Mediators as Diagnostic and Prognostic Biomarkers in Disease. Biomolecules 2022; 12:biom12030353. [PMID: 35327544 PMCID: PMC8945731 DOI: 10.3390/biom12030353] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/10/2021] [Revised: 02/18/2022] [Accepted: 02/19/2022] [Indexed: 12/14/2022] Open
Abstract
A precision medicine approach is widely acknowledged to yield more effective therapeutic strategies in the treatment of patients with chronic inflammatory conditions than the prescriptive paradigm currently utilized in the management and treatment of these patients. This is because such an approach will take into consideration relevant factors including the likelihood that a patient will respond to given therapeutics based on their disease phenotype. Unfortunately, the application of this precision medicine paradigm in the daily treatment of patients has been greatly hampered by the lack of robust biomarkers, in particular biomarkers for determining early treatment responsiveness. Lipid mediators are central in the regulation of host immune responses during both the initiation and resolution of inflammation. Amongst lipid mediators, the specialized pro-resolving mediators (SPM) govern immune cells to promote the resolution of inflammation. These autacoids are produced via the stereoselective conversion of essential fatty acids to yield molecules that are dynamically regulated during inflammation and exert potent immunoregulatory activities. Furthermore, there is an increasing appreciation for the role that these mediators play in conveying the biological actions of several anti-inflammatory therapeutics, including statins and aspirin. Identification and quantitation of these mediators has traditionally been achieved using hyphenated mass spectrometric techniques, primarily liquid-chromatography tandem mass spectrometry. Recent advances in the field of chromatography and mass spectrometry have increased both the robustness and the sensitivity of this approach and its potential deployment for routine clinical diagnostics. In the present review, we explore the evidence supporting a role for specific SPM as potential biomarkers for patient stratification in distinct disease settings together with methodologies employed in the identification and quantitation of these autacoids.
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Affiliation(s)
- Jesmond Dalli
- William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London EC1M 6BQ, UK; (E.A.G.); (C.C.J.)
- Centre for Inflammation and Therapeutic Innovation, Queen Mary University of London, London EC1M 6BQ, UK
- Correspondence:
| | - Esteban Alberto Gomez
- William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London EC1M 6BQ, UK; (E.A.G.); (C.C.J.)
| | - Charlotte Camille Jouvene
- William Harvey Research Institute, Barts and The London School of Medicine and Dentistry, Queen Mary University of London, Charterhouse Square, London EC1M 6BQ, UK; (E.A.G.); (C.C.J.)
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Zhang S, Chen S, Xiao G, Zhao M, Li J, Dong W, Hu J, Yuan T, Li Y, Liu L. The associations between air pollutant exposure and neutralizing antibody titers of an inactivated SARS-CoV-2 vaccine. ENVIRONMENTAL SCIENCE AND POLLUTION RESEARCH INTERNATIONAL 2022; 29:13720-13728. [PMID: 34599446 PMCID: PMC8486374 DOI: 10.1007/s11356-021-16786-y] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Accepted: 09/23/2021] [Indexed: 06/13/2023]
Abstract
Air pollution is a critical risk factor for the prevalence of COVID-19. However, few studies have focused on whether air pollution affects the efficacy of the SARS-CoV-2 vaccine. To better guide the knowledge surrounding this vaccination, we conducted a cross-section study to identify the relationships between air pollutant exposure and plasma neutralizing antibody (NAb) titers of an inactivated SARS-CoV-2 vaccine (Vero cell, CoronaVac, SINOVΛC, China). We recruited 239 healthcare workers aged 21-50 years who worked at Suining Central Hospital. Of these, 207 were included in this study, depending on vaccination date. The data regarding air pollutants were collected to calculate individual daily exposure dose (DED). The geometric mean of all six pollutant DEDs was applied to estimate the combined toxic effects (DEDcomplex). Then, the participants were divided into two groups based on the mean value of DEDcomplex. The median plasma NAb titer was 12.81 AU/mL, with 85.99% vaccine efficacy in healthcare workers against SARS-CoV-2. In exposure group, observations included lower plasma NAb titers (median: 11.13 AU/mL vs. 14.56 AU/mL), more peripheral counts of white blood cells and monocytes (mean: 6.71 × 109/L vs. 6.29 × 109/L and 0.49 × 109/L vs. 0.40 × 109/L, respectively), and a higher peripheral monocyte ratio (7.38% vs. 6.50%) as compared to the reference group. In addition, elevated air pollutant DEDs were associated with decreased plasma NAb titers. To our knowledge, this study is the first to report the relationship between air pollutant exposure and plasma NAb titers of the SARS-CoV-2 vaccine. This suggests that long-term exposure to air pollutants may inhibit plasma NAb expression by inducing chronic inflammation. Therefore, to achieve early herd immunity and hopefully curb the COVID-19 epidemic, vaccinations should be administered promptly to those eligible, and environmental factors should be considered as well.
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Affiliation(s)
- Shaocheng Zhang
- Department of Clinical Laboratory Medicine, Suining Central Hospital, 127 Deshengxi Rd., Suining, 629000, Sichuan, People's Republic of China.
| | - Shu Chen
- Department of Clinical Laboratory Medicine, Suining Central Hospital, 127 Deshengxi Rd., Suining, 629000, Sichuan, People's Republic of China
| | - Guangjun Xiao
- Department of Clinical Laboratory Medicine, Suining Central Hospital, 127 Deshengxi Rd., Suining, 629000, Sichuan, People's Republic of China
| | - Mingcai Zhao
- Department of Clinical Laboratory Medicine, Suining Central Hospital, 127 Deshengxi Rd., Suining, 629000, Sichuan, People's Republic of China
| | - Jia Li
- Department of Clinical Laboratory Medicine, Suining Central Hospital, 127 Deshengxi Rd., Suining, 629000, Sichuan, People's Republic of China
| | - Wenjuan Dong
- Department of Public Health Administration and Health Education, Suining Central Hospital, Suining, 629000, Sichuan, People's Republic of China
| | - Juan Hu
- Department of Clinical Laboratory Medicine, Suining Central Hospital, 127 Deshengxi Rd., Suining, 629000, Sichuan, People's Republic of China
| | - Tianqi Yuan
- Maccura Biotechnology Co. Ltd., Chengdu, 611731, Sichuan, People's Republic of China
| | - Yong Li
- Maccura Biotechnology Co. Ltd., Chengdu, 611731, Sichuan, People's Republic of China
| | - Lianghua Liu
- Department of Clinical Laboratory Medicine, Suining Central Hospital, 127 Deshengxi Rd., Suining, 629000, Sichuan, People's Republic of China
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Tokgözoğlu L, Libby P. The dawn of a new era of targeted lipid-lowering therapies. Eur Heart J 2022; 43:3198-3208. [PMID: 35051271 PMCID: PMC9448630 DOI: 10.1093/eurheartj/ehab841] [Citation(s) in RCA: 46] [Impact Index Per Article: 23.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/22/2021] [Revised: 07/26/2021] [Accepted: 11/25/2021] [Indexed: 01/22/2023] Open
Abstract
Lipid risk factors for cardiovascular disease depend in part on lifestyle, but optimum control of lipids often demands additional measures. Low-density lipoprotein (LDL) doubtless contributes causally to atherosclerosis. Recent human genetic findings have substantiated a number of novel targets for lipid-lowering therapy including apolipoprotein C-III, angiopoietin-like protein 3 and 4, apolipoprotein V, and ATP citrate lyase. These discoveries coupled with advances in biotechnology development afford new avenues for management of LDL and other aspects of lipid risk. Beyond LDL, new treatments targeting triglyceride-rich lipoproteins and lipoprotein(a) have become available and have entered clinical development. Biological and RNA-directed agents have joined traditional small-molecule approaches, which themselves have undergone considerable refinement. Innovative targeting strategies have increased efficacy of some of these novel interventions and markedly improved their tolerability. Gene-editing approaches have appeared on the horizon of lipid management. This article reviews this progress offering insight into novel biological and therapeutic discoveries, and places them into a practical patient care perspective.
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Affiliation(s)
- Lale Tokgözoğlu
- Department of Cardiology, Hacettepe University Faculty of Medicine, Sıhhiye, Ankara 06100, Turkey
| | - Peter Libby
- Corresponding author. Tel: +1 617 525 4383, Fax: +1 617 525 4400,
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Tokgozoglu L, Orringer C, Ginsberg HN, Catapano AL. The year in cardiovascular medicine 2021: dyslipidaemia. Eur Heart J 2022; 43:807-817. [PMID: 34974612 DOI: 10.1093/eurheartj/ehab875] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/02/2021] [Accepted: 11/16/2021] [Indexed: 01/19/2023] Open
Abstract
The past year was an exciting time for clinical lipidology when we learnt more about existing therapies as well as therapies targeting novel pathways discovered through genetic studies. LDL cholesterol remained the main target and a variety of drugs to lower LDL cholesterol through different mechanisms were explored. Emerging evidence on the atherogenity of triglyceride-rich lipoproteins led to renewed interest in lowering them with new treatments. Lp(a) was back in focus with evidence on causality and new targeted therapeutics which dramatically lower Lp(a) levels. We will be able to personalise lipid lowering therapy further with this enriched armamentarium once we have the results of the cardiovascular outcome studies with some of these new agents.
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Affiliation(s)
- Lale Tokgozoglu
- Department of Cardiology, Hacettepe University Faculty of Medicine, Sıhhiye, 06100 Ankara, Turkey
| | - Carl Orringer
- Department of Preventive Cardiovascular Medicine, Cardiovascular Division, University of Miami Miller School of Medicine, Miami, FL, USA
| | - Henry N Ginsberg
- Department of Medicine, Vagelos College of Physicians and Surgeons of Columbia University, New York, NY 10032, USA
| | - Alberico L Catapano
- Department of Pharmacological and Biomolecular Sciences, University of Milan and IRCCS Multimedica, Milano, Italy
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TOMÉ AC, MÁRSICO ET, SILVA GSD, COSTA DPD, GUIMARÃES JDT, RAMOS GLDPA, ESMERINO EA, SILVA FAD. Effects of the addition of microencapsulated aromatic herb extracts on fatty acid profile of different meat products. FOOD SCIENCE AND TECHNOLOGY 2022. [DOI: 10.1590/fst.62622] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
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Manubolu VS, Budoff MJ, Lakshmanan S. Multimodality Imaging Trials Evaluating the Impact of Omega-3 Fatty Acids on Coronary Artery Plaque Characteristics and Burden. Heart Int 2022. [DOI: 10.17925/hi.2022.16.1.2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/24/2022] Open
Abstract
Treatment of established risk factors, especially low-density lipoprotein (LDL) cholesterol, is the cornerstone of preventing atherosclerotic coronary artery disease. Despite reducing LDL cholesterol, there remains a significant risk of cardiovascular disease. Inflammatory and metabolic pathways contribute to recurrence of cardiovascular events, and are often missed in clinical practice. Eicosapentaenoic acid (EPA) may play a crucial role in reducing residual risk of cardiovascular disease. In this review we discuss the clinical applications of omega-3 fatty acids (OM3FAs), their mechanism of action, the difference between pure EPA and docosahexaenoic acid components, and the latest cardiovascular outcome trials and imaging trials evaluating coronary plaque. PubMed and EMBASE were searched to include all the remarkable clinical trials investigating OM3FAs and cardiovascular disease. Beyond statins, additional medications are required to reduce the risk of cardiovascular disease. EPA has shown cardiovascular benefit in addition to statins in large outcome trials. Additionally, multiple serial-imaging studies have demonstrated benefits on plaque progression and stabilization. Due to its pleotropic properties, icosapent ethyl outperforms other OM3FAs in decreasing cardiovascular disease risk in both patients with and without high triglycerides, and is currently recommended as an adjunct to statins. To further strengthen the current evidence, additional research is required to elucidate the inconsistencies between the effects of pure EPA and EPA plus docosahexaenoic acid.
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