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Aldoori J, Zulyniak MA, Toogood GJ, Hull MA. Fish oil supplement use modifies the relationship between dietary oily fish intake and plasma n-3 PUFA levels: an analysis of the UK Biobank. Br J Nutr 2024; 131:1608-1618. [PMID: 38220216 PMCID: PMC11043909 DOI: 10.1017/s0007114524000138] [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: 10/02/2023] [Revised: 12/17/2023] [Accepted: 01/08/2024] [Indexed: 01/16/2024]
Abstract
Observational evidence linking dietary n-3 PUFA intake and health outcomes is limited by a lack of robust validation of dietary intake using blood n-3 PUFA levels and potential confounding by fish oil supplement (FOS) use. We investigated the relationship between oily fish intake, FOS use and plasma n-3 PUFA levels in 121 650 UK Biobank (UKBB) participants. Ordinal logistic regression models, adjusted for clinical and lifestyle factors, were used to quantify the contribution of dietary oily fish intake and FOS use to plasma n-3 PUFA levels (measured by NMR spectroscopy). Oily fish intake and FOS use were reported by 38 % and 31 % of participants, respectively. Increasing oily fish intake was associated with a higher likelihood of FOS use (P < 0·001). Oily fish intake ≥ twice a week was the strongest predictor of high total n-3 PUFA (OR 6·7 (95 % CI 6·3, 7·1)) and DHA levels (6·6 (6·3, 7·1). FOS use was an independent predictor of high plasma n-3 PUFA levels (2·0 (2·0, 2·1)) with a similar OR to that associated with eating oily fish < once a week (1·9 (1·8, 2·0)). FOS use was associated with plasma n-3 PUFA levels that were similar to individuals in the next highest oily fish intake category. In conclusion, FOS use is more common in frequent fish consumers and modifies the relationship between oily fish intake and plasma n-3 PUFA levels in UKBB participants. If unaccounted for, FOS use may confound the relationship between dietary n-3 PUFA intake, blood levels of n-3 PUFAs and health outcomes.
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Affiliation(s)
- Joanna Aldoori
- Leeds Institute of Medical Research, University of Leeds, LeedsLS9 7TF, UK
- St James’s University Hospital, Leeds Teaching Hospitals NHS Trust, LeedsLS9 7TF, UK
| | | | - Giles J. Toogood
- Leeds Institute of Medical Research, University of Leeds, LeedsLS9 7TF, UK
- St James’s University Hospital, Leeds Teaching Hospitals NHS Trust, LeedsLS9 7TF, UK
| | - Mark A. Hull
- Leeds Institute of Medical Research, University of Leeds, LeedsLS9 7TF, UK
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Qian C, Wang Q, Qiao Y, Xu Z, Zhang L, Xiao H, Lin Z, Wu M, Xia W, Yang H, Bai J, Geng D. Arachidonic acid in aging: New roles for old players. J Adv Res 2024:S2090-1232(24)00180-2. [PMID: 38710468 DOI: 10.1016/j.jare.2024.05.003] [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: 02/06/2024] [Revised: 04/26/2024] [Accepted: 05/03/2024] [Indexed: 05/08/2024] Open
Abstract
BACKGROUND Arachidonic acid (AA), one of the most ubiquitous polyunsaturated fatty acids (PUFAs), provides fluidity to mammalian cell membranes. It is derived from linoleic acid (LA) and can be transformed into various bioactive metabolites, including prostaglandins (PGs), thromboxanes (TXs), lipoxins (LXs), hydroxy-eicosatetraenoic acids (HETEs), leukotrienes (LTs), and epoxyeicosatrienoic acids (EETs), by different pathways. All these processes are involved in AA metabolism. Currently, in the context of an increasingly visible aging world population, several scholars have revealed the essential role of AA metabolism in osteoporosis, chronic obstructive pulmonary disease, and many other aging diseases. AIM OF REVIEW Although there are some reviews describing the role of AA in some specific diseases, there seems to be no or little information on the role of AA metabolism in aging tissues or organs. This review scrutinizes and highlights the role of AA metabolism in aging and provides a new idea for strategies for treating aging-related diseases. KEY SCIENTIFIC CONCEPTS OF REVIEW As a member of lipid metabolism, AA metabolism regulates the important lipids that interfere with the aging in several ways. We present a comprehensivereviewofthe role ofAA metabolism in aging, with the aim of relieving the extreme suffering of families and the heavy economic burden on society caused by age-related diseases. We also collected and summarized data on anti-aging therapies associated with AA metabolism, with the expectation of identifying a novel and efficient way to protect against aging.
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Affiliation(s)
- Chen Qian
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, Jiangsu 215006, PR China
| | - Qing Wang
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, Jiangsu 215006, PR China
| | - Yusen Qiao
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, Jiangsu 215006, PR China
| | - Ze Xu
- Department of Orthopedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, 17 Lujiang Road, Hefei, Anhui 230031, PR China
| | - Linlin Zhang
- Department of Orthopedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, 17 Lujiang Road, Hefei, Anhui 230031, PR China
| | - Haixiang Xiao
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, Jiangsu 215006, PR China
| | - Zhixiang Lin
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, Jiangsu 215006, PR China
| | - Mingzhou Wu
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, Jiangsu 215006, PR China
| | - Wenyu Xia
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, Jiangsu 215006, PR China
| | - Huilin Yang
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, Jiangsu 215006, PR China.
| | - Jiaxiang Bai
- Department of Orthopedics, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, 17 Lujiang Road, Hefei, Anhui 230031, PR China.
| | - Dechun Geng
- Department of Orthopedics, The First Affiliated Hospital of Soochow University, 188 Shizi Street, Suzhou, Jiangsu 215006, PR China.
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Takić M, Ranković S, Girek Z, Pavlović S, Jovanović P, Jovanović V, Šarac I. Current Insights into the Effects of Dietary α-Linolenic Acid Focusing on Alterations of Polyunsaturated Fatty Acid Profiles in Metabolic Syndrome. Int J Mol Sci 2024; 25:4909. [PMID: 38732139 PMCID: PMC11084241 DOI: 10.3390/ijms25094909] [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: 02/19/2024] [Revised: 04/16/2024] [Accepted: 04/26/2024] [Indexed: 05/13/2024] Open
Abstract
The plant-derived α-linolenic acid (ALA) is an essential n-3 acid highly susceptible to oxidation, present in oils of flaxseeds, walnuts, canola, perilla, soy, and chia. After ingestion, it can be incorporated in to body lipid pools (particularly triglycerides and phospholipid membranes), and then endogenously metabolized through desaturation, elongation, and peroxisome oxidation to eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA), with a very limited efficiency (particularly for DHA), beta-oxidized as an energy source, or directly metabolized to C18-oxilipins. At this moment, data in the literature about the effects of ALA supplementation on metabolic syndrome (MetS) in humans are inconsistent, indicating no effects or some positive effects on all MetS components (abdominal obesity, dyslipidemia, impaired insulin sensitivity and glucoregulation, blood pressure, and liver steatosis). The major effects of ALA on MetS seem to be through its conversion to more potent EPA and DHA, the impact on the n-3/n-6 ratio, and the consecutive effects on the formation of oxylipins and endocannabinoids, inflammation, insulin sensitivity, and insulin secretion, as well as adipocyte and hepatocytes function. It is important to distinguish the direct effects of ALA from the effects of EPA and DHA metabolites. This review summarizes the most recent findings on this topic and discusses the possible mechanisms.
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Affiliation(s)
- Marija Takić
- Centre of Research Excellence in Nutrition and Metabolism, Group for Nutrition and Metabolism, National Institute of Republic of Serbia, Institute for Medical Research, University of Belgrade, Tadeuša Košćuska 1, 11000 Belgrade, Serbia; (S.R.); (S.P.); (P.J.); (I.Š.)
| | - Slavica Ranković
- Centre of Research Excellence in Nutrition and Metabolism, Group for Nutrition and Metabolism, National Institute of Republic of Serbia, Institute for Medical Research, University of Belgrade, Tadeuša Košćuska 1, 11000 Belgrade, Serbia; (S.R.); (S.P.); (P.J.); (I.Š.)
| | - Zdenka Girek
- Centre of Research Excellence in Nutrition and Metabolism, Group for Nutrition and Metabolism, National Institute of Republic of Serbia, Institute for Medical Research, University of Belgrade, Tadeuša Košćuska 1, 11000 Belgrade, Serbia; (S.R.); (S.P.); (P.J.); (I.Š.)
| | - Suzana Pavlović
- Centre of Research Excellence in Nutrition and Metabolism, Group for Nutrition and Metabolism, National Institute of Republic of Serbia, Institute for Medical Research, University of Belgrade, Tadeuša Košćuska 1, 11000 Belgrade, Serbia; (S.R.); (S.P.); (P.J.); (I.Š.)
| | - Petar Jovanović
- Centre of Research Excellence in Nutrition and Metabolism, Group for Nutrition and Metabolism, National Institute of Republic of Serbia, Institute for Medical Research, University of Belgrade, Tadeuša Košćuska 1, 11000 Belgrade, Serbia; (S.R.); (S.P.); (P.J.); (I.Š.)
- Department of Biochemistry and Centre of Excellence for Molecular Food Sciences, Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, 11158 Belgrade, Serbia;
| | - Vesna Jovanović
- Department of Biochemistry and Centre of Excellence for Molecular Food Sciences, Faculty of Chemistry, University of Belgrade, Studentski trg 12-16, 11158 Belgrade, Serbia;
| | - Ivana Šarac
- Centre of Research Excellence in Nutrition and Metabolism, Group for Nutrition and Metabolism, National Institute of Republic of Serbia, Institute for Medical Research, University of Belgrade, Tadeuša Košćuska 1, 11000 Belgrade, Serbia; (S.R.); (S.P.); (P.J.); (I.Š.)
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Negm A, Stobbe K, Ben Fradj S, Sanchez C, Landra-Willm A, Richter M, Fleuriot L, Debayle D, Deval E, Lingueglia E, Rovere C, Noel J. Acid-sensing ion channel 3 mediates pain hypersensitivity associated with high-fat diet consumption in mice. Pain 2024; 165:470-486. [PMID: 37733484 DOI: 10.1097/j.pain.0000000000003030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Accepted: 07/07/2023] [Indexed: 09/23/2023]
Abstract
ABSTRACT Lipid-rich diet is the major cause of obesity, affecting 13% of the worldwide adult population. Obesity is a major risk factor for metabolic syndrome that includes hyperlipidemia and diabetes mellitus. The early phases of metabolic syndrome are often associated with hyperexcitability of peripheral small diameter sensory fibers and painful diabetic neuropathy. Here, we investigated the effect of high-fat diet-induced obesity on the activity of dorsal root ganglion (DRG) sensory neurons and pain perception. We deciphered the underlying cellular mechanisms involving the acid-sensing ion channel 3 (ASIC3). We show that mice made obese through consuming high-fat diet developed the metabolic syndrome and prediabetes that was associated with heat pain hypersensitivity, whereas mechanical sensitivity was not affected. Concurrently, the slow conducting C fibers in the skin of obese mice showed increased activity on heating, whereas their mechanosensitivity was not altered. Although ASIC3 knockout mice fed with high-fat diet became obese, and showed signs of metabolic syndrome and prediabetes, genetic deletion, and in vivo pharmacological inhibition of ASIC3, protected mice from obesity-induced thermal hypersensitivity. We then deciphered the mechanisms involved in the heat hypersensitivity of mice and found that serum from high-fat diet-fed mice was enriched in lysophosphatidylcholine (LPC16:0, LPC18:0, and LPC18:1). These enriched lipid species directly increased the activity of DRG neurons through activating the lipid sensitive ASIC3 channel. Our results identify ASIC3 channel in DRG neurons and circulating lipid species as a mechanism contributing to the hyperexcitability of nociceptive neurons that can cause pain associated with lipid-rich diet consumption and obesity.
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Affiliation(s)
- Ahmed Negm
- Université Côte d'Azur, CNRS, IPMC, LabEx ICST, FHU InovPain, Valbonne, France. Negm is now with the Université Clermont-Auvergne, Laboratoire Neurodol, UMR 1107 Inserm, Clermont-Ferrand, France
| | - Katharina Stobbe
- Université Côte d'Azur, CNRS, IPMC, LabEx SIGNALIFE, Valbonne, France
| | - Selma Ben Fradj
- Université Côte d'Azur, CNRS, IPMC, LabEx SIGNALIFE, Valbonne, France
| | - Clara Sanchez
- Université Côte d'Azur, CNRS, IPMC, LabEx SIGNALIFE, Valbonne, France
| | - Arnaud Landra-Willm
- Université Côte d'Azur, CNRS, IPMC, LabEx ICST, FHU InovPain, Valbonne, France. Negm is now with the Université Clermont-Auvergne, Laboratoire Neurodol, UMR 1107 Inserm, Clermont-Ferrand, France
| | - Margaux Richter
- Université Côte d'Azur, CNRS, IPMC, LabEx ICST, FHU InovPain, Valbonne, France. Negm is now with the Université Clermont-Auvergne, Laboratoire Neurodol, UMR 1107 Inserm, Clermont-Ferrand, France
| | | | | | - Emmanuel Deval
- Université Côte d'Azur, CNRS, IPMC, LabEx ICST, FHU InovPain, Valbonne, France. Negm is now with the Université Clermont-Auvergne, Laboratoire Neurodol, UMR 1107 Inserm, Clermont-Ferrand, France
| | - Eric Lingueglia
- Université Côte d'Azur, CNRS, IPMC, LabEx ICST, FHU InovPain, Valbonne, France. Negm is now with the Université Clermont-Auvergne, Laboratoire Neurodol, UMR 1107 Inserm, Clermont-Ferrand, France
| | - Carole Rovere
- Université Côte d'Azur, CNRS, IPMC, LabEx SIGNALIFE, Valbonne, France
| | - Jacques Noel
- Université Côte d'Azur, CNRS, IPMC, LabEx ICST, FHU InovPain, Valbonne, France. Negm is now with the Université Clermont-Auvergne, Laboratoire Neurodol, UMR 1107 Inserm, Clermont-Ferrand, France
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Léniz A, Fernández-Quintela A, Arranz S, Portune K, Tueros I, Arana E, Castaño L, Velasco O, Portillo MP. Altered Red Blood Cell Fatty Acid and Serum Adipokine Profiles in Subjects with Obesity. Biomedicines 2023; 11:3320. [PMID: 38137540 PMCID: PMC10742039 DOI: 10.3390/biomedicines11123320] [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: 11/21/2023] [Revised: 12/13/2023] [Accepted: 12/14/2023] [Indexed: 12/24/2023] Open
Abstract
BACKGROUND Adipokines, as well as the fatty acid profile of red blood cell (RBC) membranes, are known to play important roles in the development and progression of metabolic complications induced by obesity. Thus, the objective of this study is to compare the serum adipokine profile and the RBC membrane fatty acid profile of normal-weight and obese adults, and to analyze their relationship with serum biochemical parameters. METHODS An observational case-control study was performed in 75 normal-weight and obese adult subjects. Biochemical serum parameters, eight serum adipokines and the RBC membrane fatty acid profiles were measured. Associations between parameters were established using regression analysis. RESULTS Subjects with obesity showed increased levels of leptin, fibroblast growth factor 21 (FGF21) and overexpressed nephroblastoma (NOV/CCN3), decreased adiponectin, and similar levels of vaspin and chemerin compared to normal-weight subjects. Significant positive and negative correlations were found with triglycerides and high-density lipoprotein-cholesterol (HDL-c), respectively. An increase in the total ω-6 fatty acids in the RBC membrane fatty acid profiles in subjects with obesity was observed, because of higher levels of both dihomo-γ-linolenic acid (DGLA) and arachidonic acid (AA), and decreased total ω-3 fatty acids, mainly due to lower levels of docosahexaenoic acid (DHA). The ω-6/ω-3 ratio in the RBCs was significantly higher, suggesting an inflammatory status, as was also suggested by a reduced adiponectin level. A negative association between DGLA and adiponectin, and a positive association between DHA and serum triglycerides, was observed. CONCLUSIONS Important alterations in serum adipokine and RBC fatty acid profiles are found in subjects with obesity.
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Affiliation(s)
- Asier Léniz
- Vitoria-Gasteiz Nursing School, Osakidetza-Basque Health Service, 01009 Vitoria-Gasteiz, Spain;
- BIOARABA Institute of Health, 01006 Vitoria-Gasteiz, Spain;
- CIBER Physiopathology of Obesity and Nutrition (CIBERobn), Institute of Health Carlos III, 01006 Vitoria-Gasteiz, Spain
- Nutrition and Obesity Group, Department of Nutrition and Food Sciences, Faculty of Pharmacy, University of the Basque Country (UPV/EHU), Paseo de la Universidad, 7, 01006 Vitoria-Gasteiz, Spain
- Lucio Lascaray Research Centre, Avenida Miguel de Unamuno, 3, 01006 Vitoria-Gasteiz, Spain
- Department Pharmacy and Food Sciences, Faculty of Pharmacy, University of the Basque Country (UPV/EHU), 01006 Vitoria-Gasteiz, Spain
| | - Alfredo Fernández-Quintela
- BIOARABA Institute of Health, 01006 Vitoria-Gasteiz, Spain;
- CIBER Physiopathology of Obesity and Nutrition (CIBERobn), Institute of Health Carlos III, 01006 Vitoria-Gasteiz, Spain
- Nutrition and Obesity Group, Department of Nutrition and Food Sciences, Faculty of Pharmacy, University of the Basque Country (UPV/EHU), Paseo de la Universidad, 7, 01006 Vitoria-Gasteiz, Spain
- Lucio Lascaray Research Centre, Avenida Miguel de Unamuno, 3, 01006 Vitoria-Gasteiz, Spain
- Department Pharmacy and Food Sciences, Faculty of Pharmacy, University of the Basque Country (UPV/EHU), 01006 Vitoria-Gasteiz, Spain
| | - Sara Arranz
- AZTI, Food Research, Basque Research and Technology Alliance (BRTA), Parque Tecnológico de Bizkaia, Astondo Bidea, Edificio 609, 48160 Derio, Spain; (S.A.)
| | - Kevin Portune
- AZTI, Food Research, Basque Research and Technology Alliance (BRTA), Parque Tecnológico de Bizkaia, Astondo Bidea, Edificio 609, 48160 Derio, Spain; (S.A.)
| | - Itziar Tueros
- AZTI, Food Research, Basque Research and Technology Alliance (BRTA), Parque Tecnológico de Bizkaia, Astondo Bidea, Edificio 609, 48160 Derio, Spain; (S.A.)
| | - Eunate Arana
- Hospital Universitario Cruces, BIOBIZKAIA Institute of Health, 48903 Barakaldo, Spain (O.V.)
| | - Luis Castaño
- Hospital Universitario Cruces, BIOBIZKAIA Institute of Health, 48903 Barakaldo, Spain (O.V.)
- Department Pediatrics, Faculty of Medicine and Nursing, University of the Basque Country (UPV/EHU), 48940 Leioa, Spain
- CIBER Diabetes and Associated Metabolic Diseases (CIBERdem), Institute of Health Carlos III, 48903 Barakaldo, Spain
- CIBER Rare Diseases (CIBERer), Institute of Health Carlos III, 48903 Barakaldo, Spain
- European Reference Network on Rare Endocrine Conditions (ENDO-ERN), 48903 Barakaldo, Spain
| | - Olaia Velasco
- Hospital Universitario Cruces, BIOBIZKAIA Institute of Health, 48903 Barakaldo, Spain (O.V.)
- Department Pediatrics, Faculty of Medicine and Nursing, University of the Basque Country (UPV/EHU), 48940 Leioa, Spain
- CIBER Diabetes and Associated Metabolic Diseases (CIBERdem), Institute of Health Carlos III, 48903 Barakaldo, Spain
- CIBER Rare Diseases (CIBERer), Institute of Health Carlos III, 48903 Barakaldo, Spain
- European Reference Network on Rare Endocrine Conditions (ENDO-ERN), 48903 Barakaldo, Spain
| | - María P. Portillo
- BIOARABA Institute of Health, 01006 Vitoria-Gasteiz, Spain;
- CIBER Physiopathology of Obesity and Nutrition (CIBERobn), Institute of Health Carlos III, 01006 Vitoria-Gasteiz, Spain
- Nutrition and Obesity Group, Department of Nutrition and Food Sciences, Faculty of Pharmacy, University of the Basque Country (UPV/EHU), Paseo de la Universidad, 7, 01006 Vitoria-Gasteiz, Spain
- Lucio Lascaray Research Centre, Avenida Miguel de Unamuno, 3, 01006 Vitoria-Gasteiz, Spain
- Department Pharmacy and Food Sciences, Faculty of Pharmacy, University of the Basque Country (UPV/EHU), 01006 Vitoria-Gasteiz, Spain
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Yin S, Xu H, Xia J, Lu Y, Xu D, Sun J, Wang Y, Liao W, Sun G. Effect of Alpha-Linolenic Acid Supplementation on Cardiovascular Disease Risk Profile in Individuals with Obesity or Overweight: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Adv Nutr 2023; 14:1644-1655. [PMID: 37778442 PMCID: PMC10721518 DOI: 10.1016/j.advnut.2023.09.010] [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: 06/25/2023] [Revised: 08/22/2023] [Accepted: 09/19/2023] [Indexed: 10/03/2023] Open
Abstract
Overweight and obesity are highly prevalent worldwide and are associated with cardiovascular disease (CVD) risk factors, including systematic inflammation, dyslipidemia, and hypertension. Alpha-linolenic acid (ALA) is a plant-based essential polyunsaturated fatty acid associated with reduced CVD risks. This systematic review and meta-analysis aimed to investigate the effects of supplementation with ALA compared with the placebo on CVD risk factors in people with obesity or overweight (International Prospective Register of Systematic Reviews Registration No. CRD42023429563). This review included studies with adults using oral supplementation or food or combined interventions containing vegetable sources of ALA. All studies were randomly assigned trials with parallel or crossover designs. The Cochrane Collaboration tool was used for assessing the risk of bias (Version 1). PubMed, Web of Science, Embase, and Cochrane library databases were searched from inception to April 2023. Nineteen eligible randomized controlled trials, including 1183 participants, were included in the meta-analysis. Compared with placebo, dietary ALA supplementation significantly reduced C-reactive protein concentration (standardized mean difference [SMD] = -0.38 mg/L; 95% confidence interval [CI]: -0.72, -0.04), tumor necrosis factor-α concentration (SMD = -0.45 pg/mL; 95% CI: -0.73, -0.17), triglyceride in serum (SMD = -4.41 mg/dL; 95% CI: -5.99, -2.82), and systolic blood pressure (SMD = -0.37 mm Hg; 95% CI: -0.66, -0.08); but led to a significant increase in low-density lipoprotein cholesterol concentrations (SMD = 1.32 mg/dL; 95% CI: 0.05, 2.59). ALA supplementation had no significant effect on interleukin-6, diastolic blood pressure, total cholesterol, or high-density lipoprotein cholesterol (all P ≥ 0.05). Subgroup analysis revealed that ALA supplementation at a dose of ≥3 g/d from flaxseed and flaxseed oil had a more prominent effect on improving CVD risk profiles, particularly where the intervention duration was ≥12 wk and where the baseline CVD profile was poor.
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Affiliation(s)
- Shiyu Yin
- Department of Nutrition and Food Hygiene, Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, School of Public Health, Southeast University, Nanjing, China
| | - Hai Xu
- Department of Nutrition and Food Hygiene, Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, School of Public Health, Southeast University, Nanjing, China; Department of Food Processing and Safety, College of Biology and Food Engineering, Chongqing Three Gorges University, Chongqing, China
| | - Jiayue Xia
- Department of Nutrition and Food Hygiene, Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, School of Public Health, Southeast University, Nanjing, China
| | - Yifei Lu
- Department of Nutrition and Food Hygiene, Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, School of Public Health, Southeast University, Nanjing, China
| | - Dengfeng Xu
- Department of Nutrition and Food Hygiene, Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, School of Public Health, Southeast University, Nanjing, China
| | - Jihan Sun
- Department of Nutrition and Food Hygiene, Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, School of Public Health, Southeast University, Nanjing, China
| | - Yuanyuan Wang
- Department of Nutrition and Food Hygiene, Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, School of Public Health, Southeast University, Nanjing, China
| | - Wang Liao
- Department of Nutrition and Food Hygiene, Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, School of Public Health, Southeast University, Nanjing, China; China-DRIs Expert Committee on Macronutrients, Chinese Nutrition Society, Beijing, China
| | - Guiju Sun
- Department of Nutrition and Food Hygiene, Key Laboratory of Environmental Medicine and Engineering of Ministry of Education, School of Public Health, Southeast University, Nanjing, China; China-DRIs Expert Committee on Macronutrients, Chinese Nutrition Society, Beijing, China.
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7
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Šarac I, Debeljak-Martačić J, Takić M, Stevanović V, Milešević J, Zeković M, Popović T, Jovanović J, Vidović NK. Associations of fatty acids composition and estimated desaturase activities in erythrocyte phospholipids with biochemical and clinical indicators of cardiometabolic risk in non-diabetic Serbian women: the role of level of adiposity. Front Nutr 2023; 10:1065578. [PMID: 37545582 PMCID: PMC10397414 DOI: 10.3389/fnut.2023.1065578] [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: 10/09/2022] [Accepted: 06/26/2023] [Indexed: 08/08/2023] Open
Abstract
Introduction Fatty acids (FAs) composition and desaturase activities can be altered in different metabolic conditions, but the adiposity-independent associations with clinical and biochemical indicators of cardiometabolic risk are still unclear. This study aimed to analyze the associations of FAs composition and estimated desaturase activities with anthropometric, clinical, and biochemical cardiometabolic risk indicators in non-diabetic Serbian women, and to investigate if these associations were independent of the level of adiposity and other confounders. Methods In 76 non-diabetic, otherwise healthy Serbian women, aged 24-68 years, with or without metabolic syndrome or obesity (BMI=23.6±5.6 kg/m2), FA composition in erythrocyte phospholipids was measured by gas-liquid chromatography. Desaturase activities were estimated from product/precursor FAs ratios (D9D:16:1n-7/16:0; D6D:20:3n-6/18:2n-6; D5D:20:4n-6/20:3n-6). Correlations were made with anthropometric, biochemical (serum glucose, triacylglycerols, LDL-C, HDL-C, ALT, AST, and their ratios) and clinical (blood pressure) indicators of cardiometabolic risk. Linear regression models were performed to test the independence of these associations. Results Estimated desaturase activities and certain FAs were associated with anthropometric, clinical and biochemical indicators of cardiometabolic risk: D9D, D6D, 16:1n-7 and 20:3n-6 were directly associated, while D5D and 18:0 were inversely associated. However, the associations with clinical and biochemical indicators were not independent of the associations with the level of adiposity, since they were lost after controlling for anthropometric indices. After controlling for multiple confounders (age, postmenopausal status, education, smoking, physical activity, dietary macronutrient intakes, use of supplements, alcohol consumption), the level of adiposity was the most significant predictor of desaturase activities and aforementioned FAs levels, and mediated their association with biochemical/clinical indicators. Vice versa, desaturase activities predicted the level of adiposity, but not other components of cardiometabolic risk (if the level of adiposity was accounted). While the associations of anthropometric indices with 16:1n-7, 20:3n-6, 18:0 and D9D and D6D activities were linear, the associations with D5D activity were the inverse U-shaped. The only adiposity-independent association of FAs profiles with the indicators of cardiometabolic risk was a positive association of 20:5n-3 with ALT/AST ratio, which requires further exploration. Discussion Additional studies are needed to explore the mechanisms of the observed associations.
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Affiliation(s)
- Ivana Šarac
- Centre of Research Excellence in Nutrition and Metabolism, Group for Nutrition and Metabolism, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Jasmina Debeljak-Martačić
- Centre of Research Excellence in Nutrition and Metabolism, Group for Nutrition and Metabolism, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Marija Takić
- Centre of Research Excellence in Nutrition and Metabolism, Group for Nutrition and Metabolism, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Vuk Stevanović
- Centre of Research Excellence in Nutrition and Metabolism, Group for Nutrition and Metabolism, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Jelena Milešević
- Centre of Research Excellence in Nutrition and Metabolism, Group for Nutrition and Metabolism, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Milica Zeković
- Centre of Research Excellence in Nutrition and Metabolism, Group for Nutrition and Metabolism, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Tamara Popović
- Centre of Research Excellence in Nutrition and Metabolism, Group for Nutrition and Metabolism, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
| | - Jovica Jovanović
- Department of Occupational Health, Faculty of Medicine, University of Niš, Niš, Serbia
| | - Nevena Kardum Vidović
- Centre of Research Excellence in Nutrition and Metabolism, Group for Nutrition and Metabolism, Institute for Medical Research, National Institute of Republic of Serbia, University of Belgrade, Belgrade, Serbia
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8
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Renzetti S, Gennings C, Calza S. A weighted quantile sum regression with penalized weights and two indices. Front Public Health 2023; 11:1151821. [PMID: 37533534 PMCID: PMC10392701 DOI: 10.3389/fpubh.2023.1151821] [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: 02/01/2023] [Accepted: 06/02/2023] [Indexed: 08/04/2023] Open
Abstract
Background New statistical methodologies were developed in the last decade to face the challenges of estimating the effects of exposure to multiple chemicals. Weighted Quantile Sum (WQS) regression is a recent statistical method that allows estimating a mixture effect associated with a specific health effect and identifying the components that characterize the mixture effect. Objectives In this study, we propose an extension of WQS regression that estimates two mixture effects of chemicals on a health outcome in the same model through the inclusion of two indices, one in the positive direction and one in the negative direction, with the introduction of a penalization term. Methods To evaluate the performance of this new model we performed both a simulation study and a real case study where we assessed the effects of nutrients on obesity among adults using the National Health and Nutrition Examination Survey (NHANES) data. Results The method showed good performance in estimating both the regression parameter and the weights associated with the single elements when the penalized term was set equal to the magnitude of the Akaike information criterion of the unpenalized WQS regression. The two indices further helped to give a better estimate of the parameters [Positive direction Median Error (PME): 0.022; Negative direction Median Error (NME): -0.044] compared to the standard WQS without the penalization term (PME: -0.227; NME: 0.215). In the case study, WQS with two indices was able to find a significant effect of nutrients on obesity in both directions identifying sodium and magnesium as the main actors in the positive and negative association, respectively. Discussion Through this work, we introduced an extension of WQS regression that improved the accuracy of the parameter estimates when considering a mixture of elements that can have both a protective and a harmful effect on the outcome; and the advantage of adding a penalization term when estimating the weights.
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Affiliation(s)
- Stefano Renzetti
- Department of Medical and Surgical Specialties, Radiological Sciences and Public Health, Università degli Studi di Brescia, Brescia, Italy
| | - Chris Gennings
- Department of Environmental Medicine and Public Health, Icahn School of Medicine at Mount Sinai, New York, NY, United States
| | - Stefano Calza
- Department of Molecular and Translational Medicine, Università degli Studi di Brescia, Brescia, Italy
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9
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Bajerska J, Skoczek-Rubińska A, Małczak L, Vucic V, Arsic A, Kojadinovic M, Ristic-Medic D. Plasma fatty acid composition and some markers of dietary habits are associated with cardiovascular disease risk determined by an atherogenic plasma index in postmenopausal women. Nutr Res 2023; 115:47-60. [PMID: 37300953 DOI: 10.1016/j.nutres.2023.05.008] [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: 12/22/2022] [Revised: 05/17/2023] [Accepted: 05/20/2023] [Indexed: 06/12/2023]
Abstract
It is hypothesized that plasma proportion of selected fatty acids (FAs) and dietary habits are linked with the risk of cardiovascular disease (CVD) in postmenopausal women. Therefore, this study was designed to determine the association of plasma FA composition and markers of dietary habits with an atherogenic index of plasma (AIP), a predictor of CVD risk in postmenopausal women. In total, 87 postmenopausal women with an average age of 57 ± 7 years were recruited and their dietary intake, anthropometric and biochemical parameters, and FA status in total plasma lipid proportions were determined, showing that 65.5% of the participants had a high risk of CVD according to their AIP value. After adjusting for some confounders (age, body mass index, and physical activity level), the risk of CVD was only positively associated with the frequency of consumption of animal fat spreads (butter and lard) of terrestrial origin. Regarding the FA profile, CVD risk was positively associated with the percentages of vaccenic acid, dihomo-γ-linolenic acid, and monounsaturated fatty acids (MUFA; mainly n-7) in total FA, as well as the MUFA/SFA ratio in total plasma and stearoyl-CoA desaturase-16 activity (16:1/16:0 ratio). In contrast, the risk of CVD was negatively associated with percentages of α-linolenic acid, total polyunsaturated fatty acids (PUFA), and PUFA/MUFA ratio in total plasma lipid, and the estimated activity of Δ5-desaturase (20:4/20:3 n-6 ratio). These results support the current recommendations to decrease the frequency of animal fat spread intake because it is associated with a reduced CVD risk based on AIP in postmenopausal women. In accordance with these plasma percentages of ALA, vaccenic acid, dihomo-γ-linolenic acid, PUFA, PUFA/MUFA ratio, and 16:1/16:0 ratio may be important parameters in CVD risk assessment.
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Affiliation(s)
- Joanna Bajerska
- Department of Human Nutrition and Dietetics, Poznań University of Life Sciences, Wojska Polskiego 31, 60-624 Poznań, Poland.
| | - Aleksandra Skoczek-Rubińska
- Department of Human Nutrition and Dietetics, Poznań University of Life Sciences, Wojska Polskiego 31, 60-624 Poznań, Poland
| | - Lidia Małczak
- Department of Human Nutrition and Dietetics, Poznań University of Life Sciences, Wojska Polskiego 31, 60-624 Poznań, Poland
| | - Vesna Vucic
- Group for Nutritional Biochemistry and Dietology, Centre of Research Excellence in Nutrition and Metabolism, Institute for Medical Research, National Institute of the Republic of Serbia, University of Belgrade, Belgrade PO BOX 102, Serbia
| | - Aleksandra Arsic
- Group for Nutritional Biochemistry and Dietology, Centre of Research Excellence in Nutrition and Metabolism, Institute for Medical Research, National Institute of the Republic of Serbia, University of Belgrade, Belgrade PO BOX 102, Serbia
| | - Milica Kojadinovic
- Group for Nutritional Biochemistry and Dietology, Centre of Research Excellence in Nutrition and Metabolism, Institute for Medical Research, National Institute of the Republic of Serbia, University of Belgrade, Belgrade PO BOX 102, Serbia
| | - Danijela Ristic-Medic
- Group for Nutritional Biochemistry and Dietology, Centre of Research Excellence in Nutrition and Metabolism, Institute for Medical Research, National Institute of the Republic of Serbia, University of Belgrade, Belgrade PO BOX 102, Serbia
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10
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Mustonen AM, Nieminen P. Dihomo- γ-Linolenic Acid (20:3n-6)-Metabolism, Derivatives, and Potential Significance in Chronic Inflammation. Int J Mol Sci 2023; 24:ijms24032116. [PMID: 36768438 PMCID: PMC9916522 DOI: 10.3390/ijms24032116] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2022] [Revised: 01/17/2023] [Accepted: 01/18/2023] [Indexed: 01/25/2023] Open
Abstract
Dihomo-γ-linolenic acid (DGLA) has emerged as a significant molecule differentiating healthy and inflamed tissues. Its position at a pivotal point of metabolic pathways leading to anti-inflammatory derivatives or via arachidonic acid (ARA) to pro-inflammatory lipid mediators makes this n-6 polyunsaturated fatty acid (PUFA) an intriguing research subject. The balance of ARA to DGLA is probably a critical factor affecting inflammatory processes in the body. The aim of this narrative review was to examine the potential roles of DGLA and related n-6 PUFAs in inflammatory conditions, such as obesity-associated disorders, rheumatoid arthritis, atopic dermatitis, asthma, cancers, and diseases of the gastrointestinal tract. DGLA can be produced by cultured fungi or be obtained via endogenous conversion from γ-linolenic acid (GLA)-rich vegetable oils. Several disease states are characterized by abnormally low DGLA levels in the body, while others can feature elevated levels. A defect in the activity of ∆6-desaturase and/or ∆5-desaturase may be one factor in the initiation and progression of these conditions. The potential of GLA and DGLA administrations as curative or ameliorating therapies in inflammatory conditions and malignancies appears modest at best. Manipulations with ∆6- and ∆5-desaturase inhibitors or combinations of long-chain PUFA supplements with n-3 PUFAs could provide a way to modify the body's DGLA and ARA production and the concentrations of their pro- and anti-inflammatory mediators. However, clinical data remain scarce and further well-designed studies should be actively promoted.
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Affiliation(s)
- Anne-Mari Mustonen
- Department of Environmental and Biological Sciences, Faculty of Science, Forestry and Technology, University of Eastern Finland, P.O. Box 111, FI-80101 Joensuu, Finland
- Faculty of Health Sciences, Institute of Biomedicine, School of Medicine, University of Eastern Finland, P.O. Box 1627, FI-70211 Kuopio, Finland
- Correspondence: ; Tel.: +358-294-45-1111
| | - Petteri Nieminen
- Faculty of Health Sciences, Institute of Biomedicine, School of Medicine, University of Eastern Finland, P.O. Box 1627, FI-70211 Kuopio, Finland
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11
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Gut Microbiome and Serum Metabolome Profiles of Capsaicin with Cognitive Benefits in APP/PS1 Mice. Nutrients 2022; 15:nu15010118. [PMID: 36615777 PMCID: PMC9823564 DOI: 10.3390/nu15010118] [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: 11/21/2022] [Revised: 12/19/2022] [Accepted: 12/23/2022] [Indexed: 12/28/2022] Open
Abstract
Capsaicin, a natural bioactive component, has been reported to improve cognition and ameliorate the pathology of Alzheimer's disease (AD). Studies have linked AD to alterations in gut microbiota composition and serum metabolites. In the present study, we examined the alterations in serum metabolome and gut microbiome in APPswe/PS1dE9 (APP/PS1) mice treated with capsaicin. Capsaicin treatments resulted in a significant increase in the abundance of Akkermansia, Faecalibaculum, Unclassified_f_Atopobiaceae, and Gordonibacter and a significant decrease in the abundance of Adlercreutzia, Peptococcaceae, Alistipes, Oscillibacter and Erysipelatoclostridium. Furthermore, the species Akkermansia muciniphila (A. muciniphila) was significantly enriched in capsaicin-treated APP/PS1 mice (p = 0.0002). Serum metabolomic analysis showed that capsaicin-treated APP/PS1 mice had a significant higher level of tryptophan (Trp) metabolism and a significantly lower level of lipid metabolism compared with vehicle-treated mice. Capsaicin altered serum metabolites, including Kynurenine (Kyn), 5-Hydroxy-L-tryptophan (5-HIT), 5-Hydroxyindoleacetic acid (5-HIAA), indoxylsulfuric acid, lysophosphatidyl cholines (LysoPCs), and lysophosphatidyl ethanolamine (LysoPE). Significant correlations were observed between the gut bacteria and serum metabolite. With regard to the increased abundance of A. muciniphila and the ensuing rise in tryptophan metabolites, our data show that capsaicin alters both the gut microbiota and blood metabolites. By altering the gut microbiome and serum metabolome, a diet high in capsaicin may reduce the incidence and development of AD.
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12
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Takic M, Pokimica B, Petrovic-Oggiano G, Popovic T. Effects of Dietary α-Linolenic Acid Treatment and the Efficiency of Its Conversion to Eicosapentaenoic and Docosahexaenoic Acids in Obesity and Related Diseases. Molecules 2022; 27:molecules27144471. [PMID: 35889342 PMCID: PMC9317994 DOI: 10.3390/molecules27144471] [Citation(s) in RCA: 22] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2022] [Revised: 07/06/2022] [Accepted: 07/09/2022] [Indexed: 02/06/2023] Open
Abstract
The essential fatty acid alpha-linolenic acid (ALA) is present in high amounts in oils such as flaxseed, soy, hemp, rapeseed, chia, and perilla, while stearidonic acid is abundant in echium oil. ALA is metabolized to eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) by desaturases and elongases in humans. The conversion of ALA to EPA and DHA is limited, and these long-chain n−3 polyunsaturated fatty acids (PUFAs) are mainly provided from dietary sources (fish and seafood). This review provides an overview of studies that explored the effects of dietary supplementation with ALA in obesity and related diseases. The obesity-associated changes of desaturase and elongase activities are summarized, as they could influence the metabolic conversion of ALA. Generally, supplementation with ALA or ALA-rich oils leads to an increase in EPA levels and has no effect on DHA or omega-3 index. According to the literature data, stearidonic acid could enhance conversion of ALA to long-chain n−3 PUFA in obesity. Recent studies confirm that EPA and DHA intake should be considered as a primary dietary treatment strategy for improving the omega-3 index in obesity and related diseases.
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13
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Yu HT, Xu WH, Chen YR, Ji Y, Tang YW, Li YT, Gong JY, Chen YF, Liu GL, Xie L. Association of Prepregnancy Obesity and Remodeled Maternal-Fetal Plasma Fatty Acid Profiles. Front Nutr 2022; 9:897059. [PMID: 35651505 PMCID: PMC9149296 DOI: 10.3389/fnut.2022.897059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/15/2022] [Accepted: 04/06/2022] [Indexed: 11/13/2022] Open
Abstract
Background Fatty acids, especially polyunsaturated fatty acid (PUFA), are found abundantly in the brain and are fundamental for a fetus's growth. The fatty acid profiles of mothers and fetuses may be affected by maternal prepregnancy body mass index (pre-BMI), thus affecting fetal growth and development. Methods A total of 103 mother-fetus pairs were divided into overweight/obese (OW, n = 26), normal weight (NW, n = 60), and underweight (UW, n = 17) groups according to pre-BMI. Fatty acid profiles in maternal and umbilical cord plasma were analyzed by gas chromatography. Results The infant birth BMI z-score of the OW group was higher than that of the NW and UW groups (p < 0.05). The OW mothers had significantly higher plasma n-6 PUFA and n-6/n-3, but lower docosahexaenoic acid (DHA) and n-3 PUFA (p < 0.05). In cord plasma, the proportions of DHA and n-3 PUFA were lower in the OW group (p < 0.05), whereas the n-6/n-3 ratio was higher in the OW group (p < 0.05). The pre-BMI was negatively correlated with cord plasma DHA in all subjects (r = −0.303, p = 0.002), and the same negative correlation can be observed in the OW group (r = −0.561, p = 0.004), but not in the NW and UW groups (p > 0.05). The pre-BMI was positively correlated with cord plasma n-6/n-3 in all subjects (r = 0.325, p = 0.001), and the same positive correlation can be found in the OW group (r = 0.558, p = 0.004), but not in NW and UW groups (p > 0.05). Conclusions Maternal pre-BMI was associated with the maternal-fetal plasma fatty acid profiles, whereas the adverse fatty acid profiles are more noticeable in the prepregnancy OW mothers.
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Affiliation(s)
- Hai-Tao Yu
- Department of Nutrition and Food Hygiene, School of Public Health, Jilin University, Changchun, China
| | - Wen-Hui Xu
- Department of Nutrition and Food Hygiene, School of Public Health, Jilin University, Changchun, China
| | - Yi-Ru Chen
- Department of Nutrition and Food Hygiene, School of Public Health, Jilin University, Changchun, China
| | - Ye Ji
- Department of Nutrition and Food Hygiene, School of Public Health, Jilin University, Changchun, China
| | - Yi-Wei Tang
- Department of Nutrition and Food Hygiene, School of Public Health, Jilin University, Changchun, China
| | - Yue-Ting Li
- Department of Nutrition and Food Hygiene, School of Public Health, Jilin University, Changchun, China
| | - Jia-Yu Gong
- Department of Nutrition and Food Hygiene, School of Public Health, Jilin University, Changchun, China
| | - Yi-Fei Chen
- Department of Nutrition and Food Hygiene, School of Public Health, Jilin University, Changchun, China
| | - Guo-Liang Liu
- Experimental Teaching Center for Preventive Medicine, School of Public Health, Jilin University, Changchun, China
| | - Lin Xie
- Department of Nutrition and Food Hygiene, School of Public Health, Jilin University, Changchun, China
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14
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Accumulation of Arachidonic Acid, Precursor of Pro-Inflammatory Eicosanoids, in Adipose Tissue of Obese Women: Association with Breast Cancer Aggressiveness Indicators. Biomedicines 2022; 10:biomedicines10050995. [PMID: 35625732 PMCID: PMC9138452 DOI: 10.3390/biomedicines10050995] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Revised: 04/14/2022] [Accepted: 04/18/2022] [Indexed: 01/27/2023] Open
Abstract
While obesity is linked to cancer risk, no studies have explored the consequences of body mass index (BMI) on fatty acid profiles in breast adipose tissue and on breast tumor aggressiveness indicators. Because of this, 261 breast adipose tissue samples of women with invasive breast carcinoma were analyzed. Fatty acid profile was established by gas chromatography. For normal-weight women, major changes in fatty acid profile occurs after menopause, with the enrichment of long-chain polyunsaturated fatty acids (LC-PUFAs) of both n-6 and n-3 series enrichment, but a stable LC-PUFAs n-6/n-3 ratio across age. BMI impact was analyzed by age subgroups to overcome the age effect. BMI increase is associated with LC-PUFAs n-6 accumulation, including arachidonic acid. Positive correlations between BMI and several LC-PUFAs n-6 were observed, as well as a strong imbalance in the LC-PUFAs n-6/n-3 ratio. Regarding cancer, axillary lymph nodes (p = 0.02) and inflammatory breast cancer (p = 0.08) are more frequently involved in obese women. Increased BMI induces an LC-PUFAs n-6 accumulation, including arachidonic acid, in adipose tissue. This may participate in the development of low-grade inflammation in obese women and breast tumor progression. These results suggest the value of lifestyle and LC-PUFAs n-3 potential, in the context of obesity and breast cancer secondary/tertiary prevention.
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15
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Gao Y, Yuan S, Chen Y, Liu F, Wei Z, Cao W, Li RW, Xu J, Xue C, Tang Q. The improvement effect of astaxanthin-loaded emulsions on obesity is better than that of astaxanthin in the oil phase. Food Funct 2022; 13:3720-3731. [PMID: 35266464 DOI: 10.1039/d1fo03185f] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
Emulsion-based delivery systems have been reported to improve the solubility, stability and bioavailability of astaxanthin. In this study, the ability of astaxanthin-loaded emulsions (AL) to ameliorate obesity induced by a high-fat and high-sucrose diet was explored, using astaxanthin in the oil phase (ASTA) as a comparison. After the administration of AL, ASTA (30 mg per kg body weight), or saline on normal or obese mice for 4 weeks, the body fat accumulation levels, hepatic lipid contents and hepatic fatty acid profiles were detected, and AL showed better anti-obesity properties than ASTA. In an acute feeding experiment, it was first observed that the astaxanthin concentration of AL was higher than that of ASTA in the blood and liver of obese mice. What's more, AL altered the microbial co-occurrence patterns in obese mice. Some gut microbial modules that were significantly correlated with obesity-related physiological parameters were identified. Overall, the improvement effect of AL on obesity is better than that of ASTA due to their higher oral absorbability and modulating effects on the gut microbiota, and we suggest AL as a more suitable astaxanthin product type for obese bodies.
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Affiliation(s)
- Yuan Gao
- Laboratory of Food Science and Human Health, College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong 266003, China.
| | - Shihan Yuan
- Laboratory of Food Science and Human Health, College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong 266003, China.
| | - Yuze Chen
- Laboratory of Food Science and Human Health, College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong 266003, China.
| | - Fang Liu
- Laboratory of Food Science and Human Health, College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong 266003, China.
| | - Zihao Wei
- Laboratory of Food Science and Human Health, College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong 266003, China.
| | - Wanxiu Cao
- Laboratory of Food Science and Human Health, College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong 266003, China.
| | - Robert W Li
- Laboratory of Animal Genomics and Improvement, United States Department of Agriculture, Agriculture Research Service (USDA-ARS), Beltsville, MD 20705, USA
| | - Jie Xu
- Laboratory of Food Science and Human Health, College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong 266003, China.
| | - Changhu Xue
- Laboratory of Food Science and Human Health, College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong 266003, China. .,Laboratory of Marine Drugs and Biological Products, Pilot National Laboratory for Marine Science and Technology, Qingdao, Shandong 266235, China
| | - Qingjuan Tang
- Laboratory of Food Science and Human Health, College of Food Science and Engineering, Ocean University of China, Qingdao, Shandong 266003, China.
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16
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Syrén ML, Turolo S, de Marco EA, De Cosmi V, Risé P, Marangoni F, Minoli DG, Manzoni G, Agostoni C. Whole blood fatty acid profile of young subjects and adherence to the Mediterranean diet: an observational cohort study. Lipids Health Dis 2022; 21:23. [PMID: 35177087 PMCID: PMC8851752 DOI: 10.1186/s12944-022-01633-x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/17/2021] [Accepted: 02/04/2022] [Indexed: 11/10/2022] Open
Abstract
Background Relatively little is known about the physiological whole blood fatty acid composition in young people. Likewise, few studies have addressed the question of correlations between Mediterranean diet (MedDiet) adherence and blood fatty acids in childhood. Methods The fatty acid profile in whole blood from subjects, 46 days-19 years old (n = 152), without acute, chronic, or inflammatory diseases was analysed by gas chromatography. Dietary data was extracted from a 24-h recall in a subgroup of subjects (n = 60) into a modified Diet Quality Index for Children (KIDMED) questionnaire to evaluate MedDiet adherence. The cohort was divided into three age groups: < 2, 2- < 10, and 10–19 years. Kruskal-Wallis test and Bonferroni post hoc test were used to check for age group fatty acid differences. For correlations, Spearman’s correlation coefficient and partial Spearman’s correlation coefficient were used. Results Linoleic acid, EPA, DHA, palmitic acid, and total saturated fatty acids were stable over age groups. Dihomo-gamma-linolenic acid (DGLA), arachidonic acid (AA), total polyunsaturated FAs (PUFA), and total omega-6 PUFA increased from age group < 2 years; alpha-linolenic acid, total omega-3 PUFA, oleic acid, and total monounsaturated FAs decreased. Adherence to the MedDiet was at low-medium level in 91.7% of the subjects. In the age group 2- < 10 yrs., the degree of adherence correlated positively with total MUFA and PUFA balance, negatively with total PUFA, total n6-PUFA, AA/DHA, AA/EPA, and n6/n3. Age did not influence the correlations as to PUFA balance and AA/EPA. Conclusions Increased FA proportions with age were seen in the n6-series of PUFA. The n3-FA species decreased or were stable. The vast majority of the subjects with dietary data, 92%, obtained a KIDMED score indicative of low-medium adherence to the MedDiet. The score correlated negatively with various n6-species, i.e. the MedDiet suppressed circulating n6-PUFA. Whole blood may be used to investigate FAs and MedDiet adherence correlations which may be applied in the study of health issues in childhood.
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Affiliation(s)
- Marie-Louise Syrén
- Department of Clinical Sciences and Community Health, University of Milan, Via Commenda 9, 20122, Milan, Italy.
| | - Stefano Turolo
- Pediatric Nephrology, Dialysis and Transplant unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via Commenda 9, 20122, Milan, Italy
| | - Erika Adalgisa de Marco
- Pediatric Urology unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via Commenda 9, 20122, Milan, Italy
| | - Valentina De Cosmi
- Department of Clinical Sciences and Community Health, University of Milan, Via Commenda 9, 20122, Milan, Italy.,Pediatric Intermediate Care unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via Commenda 9, 20122, Milan, Italy
| | - Patrizia Risé
- Department of Pharmaceutical Sciences, University of Milan, Via Balzaretti 13, 20133, Milan, Italy
| | - Franca Marangoni
- NFI, Nutrition Foundation of Italy, Viale Tunisia 38, 20124, Milan, Milan, Italy
| | - Dario Guido Minoli
- Pediatric Urology unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via Commenda 9, 20122, Milan, Italy
| | - Gianantonio Manzoni
- Pediatric Urology unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via Commenda 9, 20122, Milan, Italy
| | - Carlo Agostoni
- Department of Clinical Sciences and Community Health, University of Milan, Via Commenda 9, 20122, Milan, Italy.,Pediatric Intermediate Care unit, Fondazione IRCCS Ca' Granda Ospedale Maggiore Policlinico, Via Commenda 9, 20122, Milan, Italy
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Chou CL, Chen JS, Kang YN, Chen YJ, Fang TC. Association of polyunsaturated fatty acids with improved heart rate variability and cardiovascular events in patients with end-stage renal disease receiving maintenance dialysis: a systematic review and meta-analysis of randomized controlled trials. Food Funct 2021; 12:8090-8099. [PMID: 34286806 DOI: 10.1039/d1fo00510c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/21/2022]
Abstract
OBJECTIVE Apart from dietary restriction and medical therapy, the benefits of cardiovascular protection offered by polyunsaturated fatty acid (PUFA) supplements in patients with ESRD receiving maintenance dialysis remain unclear. This systematic review and meta-analysis examined the effects of PUFAs on blood pressure, heart rate (HR), HR variability (HRV), and cardiovascular disease (CVD) prognosis. METHODS We identified randomized controlled trials (RCTs) from Embase, PubMed (including MEDLINE), and Web of Science. We included seven RCTs that involved 724 patients with ESRD receiving dialysis and PUFA supplements. RESULTS The data indicated that compared with the control group, the PUFA group demonstrated decreased cardiovascular events (Peto odds ratio = 0.52, 95% confidence interval [CI] = 0.32 to 0.85, P = 0.009) and HRV (changes in the mean HR [mean difference = -2.59, 95% CI = -4.91 to -0.26, P = 0.03, I2 = 0%]; mean RR interval [MD = 29.03, 95% CI = 5.43 to 52.63, P = 0.02, I2 = 0%]; mean of the standard deviation of all normal RR intervals for all 5 min segments [MD = 2.73, 95% CI = 0.48 to 4.99, P = 0.02, I2 = 0%], and square root of the mean of the sum of the squares of differences between adjacent intervals [MD = 2.03, 95% CI = 0.04 to 4.03, P = 0.05, I2 = 0%]). CONCLUSION PUFA supplements appeared to improve CVD prognosis in patients receiving dialysis. Additional RCTs with longer follow-up periods need to clarify the benefits of PUFA supplements in this patient population.
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Affiliation(s)
- Chu-Lin Chou
- Division of Nephrology, Department of Internal Medicine, School of Medicine, College of Medicine, Taipei Medical University, Taipei, Taiwan.
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18
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Polycystic Ovary Syndrome in Insulin-Resistant Adolescents with Obesity: The Role of Nutrition Therapy and Food Supplements as a Strategy to Protect Fertility. Nutrients 2021; 13:nu13061848. [PMID: 34071499 PMCID: PMC8228678 DOI: 10.3390/nu13061848] [Citation(s) in RCA: 65] [Impact Index Per Article: 21.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2021] [Revised: 05/26/2021] [Accepted: 05/27/2021] [Indexed: 12/12/2022] Open
Abstract
Polycystic ovary syndrome (PCOS) is the most common endocrine disorder in young reproductive-aged women. PCOS is often associated with obesity and impairs reproductive health. Even though several theories have been proposed to explain the pathogenic mechanism of PCOS, the role of insulin resistance (IR) as a key etiological component, independently of (but amplified by) obesity, is well recognized. The consequent hyperinsulinemia activates excessive ovarian androgen production, leading to PCOS. Additionally, the state of chronic inflammation related to obesity impacts ovarian physiology due to insulin sensitivity impairment. The first-line treatment for adolescents with obesity and PCOS includes lifestyle changes; personalized dietary interventions; and, when needed, weight loss. Medical nutrition therapy (MNT) and the use of specific food supplements in these patients aim at improving symptoms and signs, including insulin resistance and metabolic and reproductive functions. The purpose of this narrative review is to present and discuss PCOS in adolescents with obesity, its relationship with IR and the role of MNT and food supplements in treatment. Appropriate early dietary intervention for the management of adolescents with obesity and PCOS should be considered as the recommended approach to restore ovulation and to protect fertility.
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19
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van Westing AC, Eckl MR, Küpers LK, Pertiwi K, Hoogeveen EK, Geleijnse JM. Plasma fatty acids and kidney function decline in post-myocardial infarction patients of the Alpha Omega Cohort. Nutr Metab Cardiovasc Dis 2021; 31:1467-1476. [PMID: 33744039 DOI: 10.1016/j.numecd.2021.01.012] [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: 09/11/2020] [Revised: 12/18/2020] [Accepted: 01/19/2021] [Indexed: 11/28/2022]
Abstract
BACKGROUND AND AIMS Age-related kidney function decline is accelerated in patients with coronary heart disease (CHD). CHD and chronic kidney disease may share common etiologies. We examined plasma fatty acids (FAs) as novel biomarkers of kidney function decline after myocardial infarction (MI). METHODS AND RESULTS The analysis included 2329 Dutch post-MI patients aged 60-80y (Alpha Omega Cohort) most receiving state-of-the-art medications. Plasma FAs (% total FAs) in cholesteryl esters were assessed at baseline (2002-2006), and ∼40 months change in creatinine-cystatin C based glomerular filtration rate was estimated (eGFR, in ml/min per 1.73 m2). Beta coefficients for annual eGFR change in relation to plasma linoleic acid (LA; 50.1% of total FAs in CE), omega-3 FAs (EPA + DHA; 1.7%), odd-chain FAs (C15:0 and C17:0; 0.2%), and C14:0 (0.7%) were obtained from linear regression analyses adjusted for age, sex, smoking, and alcohol intake. Mean baseline eGFR ±SD was 78.5 ± 18.7, which declined by 4.7 ± 13.1 during follow-up, or 1.4 ± 3.9 per year. The annual decline in eGFR was less in patients with higher plasma LA (adjusted beta: 0.40 for LA >47 vs ≤ 47%, 95% CI: 0.01; 0.78; p = 0.046). Associations of plasma LA with annual eGFR decline were stronger in 437 patients with diabetes (1.21, 0.24; 2.19) and in 402 patients with CKD (eGFR<60; 0.90, -0.09; 1.89). Weaker, non-significant associations with kidney function decline were observed for the other plasma FAs. CONCLUSION Higher plasma LA may be a good predictor of less kidney function decline after MI, particularly in patients with diabetes. The Alpha Omega Cohort is registered with clinicaltrials.gov, NCT03192410.
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Affiliation(s)
- Anniek C van Westing
- Division of Human Nutrition and Health, Wageningen University, Wageningen, the Netherlands.
| | - Marion R Eckl
- Division of Human Nutrition and Health, Wageningen University, Wageningen, the Netherlands
| | - Leanne K Küpers
- Division of Human Nutrition and Health, Wageningen University, Wageningen, the Netherlands
| | - Kamalita Pertiwi
- Division of Human Nutrition and Health, Wageningen University, Wageningen, the Netherlands
| | - Ellen K Hoogeveen
- Department of Nephrology, Leiden University Medical Center, Leiden, the Netherlands
| | - Johanna M Geleijnse
- Division of Human Nutrition and Health, Wageningen University, Wageningen, the Netherlands
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20
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Okamura T, Nakajima H, Hashimoto Y, Majima S, Senmaru T, Ushigome E, Nakanishi N, Hamaguchi M, Asano M, Yamazaki M, Takakuwa H, Fukui M. Low circulating dihomo-gamma-linolenic acid is associated with diabetic retinopathy: a cross sectional study of KAMOGAWA-DM cohort study. Endocr J 2021; 68:421-428. [PMID: 33361692 DOI: 10.1507/endocrj.ej20-0564] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/23/2022] Open
Abstract
Diabetic retinopathy (DR), one of the major complications of diabetes, can cause blindness and reduce quality of life. Dyslipidemia is reported to be associated with DR, whereas arachidonic acid may have a protective effect against DR. We aimed to investigate the association of circulating n-3 and n-6 polyunsaturated fatty acids (PUFAs) with DR. In this cross-sectional study, 190 Japanese patients with type 2 diabetes were classified as no diabetic retinopathy (NDR), simple diabetic retinopathy (SDR), or proliferative diabetic retinopathy (PDR) including pre-proliferative diabetic retinopathy. Circulating fatty acids (FAs) were measured by gas chromatograph-mass spectrometry. Logistic regression analysis was performed to investigate the association between the levels of FAs and the presence of DR. The average age, body mass index and the duration of diabetes were 62.7 ± 12.1 years, 25.0 ± 4.5 kg/m2, and 9.8 ± 8.7 years, respectively. Twenty-seven patients were diagnosed with DR. Circulating levels of dihomo-gamma-linolenic acid (DGLA) in the NDR (n = 163), SDR (n = 13) and PDR (n = 14) groups were 28.3 ± 11.0 μg/mL, 24.4 ± 9.7 μg/mL, and 21.8 ± 6.2 μg/mL, respectively (p = 0.032). The logarithm of circulating DGLA levels was associated with the presence of DR after adjusting for covariates (OR of 1-unit increment: 0.79, 95% CI: 0.62-1.00, p = 0.049). Circulating DGLA was negatively associated with the presence of DR.
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Affiliation(s)
- Takuro Okamura
- Department of Endocrinology and Metabolism, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan
| | - Hanako Nakajima
- Department of Endocrinology and Metabolism, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan
| | - Yoshitaka Hashimoto
- Department of Endocrinology and Metabolism, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan
| | - Saori Majima
- Department of Endocrinology and Metabolism, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan
| | - Takafumi Senmaru
- Department of Endocrinology and Metabolism, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan
| | - Emi Ushigome
- Department of Endocrinology and Metabolism, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan
| | - Naoko Nakanishi
- Department of Endocrinology and Metabolism, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan
| | - Masahide Hamaguchi
- Department of Endocrinology and Metabolism, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan
| | - Mai Asano
- Department of Endocrinology and Metabolism, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan
| | - Masahiro Yamazaki
- Department of Endocrinology and Metabolism, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan
| | - Hiroshi Takakuwa
- Agilent Technologies, Chromatography Mass Spectrometry Sales Department, Life Science and Applied Markets Group, Tokyo 192-8510, Japan
| | - Michiaki Fukui
- Department of Endocrinology and Metabolism, Kyoto Prefectural University of Medicine, Kyoto 602-8566, Japan
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21
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Kaikkonen JE, Jula A, Viikari JSA, Juonala M, Hutri-Kähönen N, Kähönen M, Lehtimäki T, Raitakari OT. Associations of Serum Fatty Acid Proportions with Obesity, Insulin Resistance, Blood Pressure, and Fatty Liver: The Cardiovascular Risk in Young Finns Study. J Nutr 2021; 151:970-978. [PMID: 33561215 DOI: 10.1093/jn/nxaa409] [Citation(s) in RCA: 12] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2020] [Revised: 07/09/2020] [Accepted: 11/24/2020] [Indexed: 01/23/2023] Open
Abstract
BACKGROUND The links between fatty acids (FAs) and cardiometabolic outcomes are topics of debate. OBJECTIVE Our aim was to investigate the associations between serum standardized FA percentages and cardiometabolic outcomes. METHODS We used cross-sectional (n = 2187-2200 subjects, age 24-39 y, women 54%) and 10-year prospective data (n = 975-1414 subjects) from the Young Finns Study. Outcomes included prevalent and incident obesity, insulin resistance (HOMA-IR index in the upper quintile), elevated blood pressure (BP; taking medication, or diastolic or systolic BP in the upper quintile), and incident nonalcoholic fatty liver. Logistic regression models were used to calculate ORs per SD increase in fatty acids (FAs). The models were adjusted for age and sex, and additionally for other potential confounders. RESULTS Several cross-sectional findings were also statistically significant in prospective models (Bonferroni corrected P < 0.003). In fully-adjusted models for obesity, these consisted of SFAs (OR: 1.28) and MUFAs (OR: 1.38), including palmitoleic (OR: 1.39) and oleic acids (OR: 1.37). Furthermore, PUFAs (OR: 0.70), including linoleic (OR: 0.67) and docosahexaenoic acids (OR: 0.75), were inversely related with obesity, whereas γ-linolenic acid (OR: 1.32) was positively associated with obesity. In age- and sex-adjusted models for insulin resistance, MUFAs (OR: 1.26) and oleic acid (OR: 1.25) were positively, and PUFAs (OR: 0.81), particularly linoleic acid (OR: 0.78), were inversely associated with HOMA-IR. Similarly with elevated BP, palmitic acid (OR: 1.22), MUFAs (OR: 1.28), and oleic acid (OR: 1.28) were positively associated with elevated BP, whereas PUFAs (OR: 0.77), n-6 (omega-6) PUFAs (OR: 0.79), and linoleic acid (OR: 0.77) were inversely associated. In fully-adjusted models for incident fatty liver, the most consistent predictors were high palmitic (OR: 1.61) and low linoleic acid (OR: 0.63) percentages. The n-6/n-3 (omega-3) PUFA ratio was not linked with any adverse outcomes. CONCLUSIONS High serum percentages of total SFAs and MUFAs and low PUFAs, but also several specific FAs, predict future unfavorable cardiometabolic outcomes in Finnish adults.
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Affiliation(s)
- Jari E Kaikkonen
- Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Turku, Finland.,Department of Clinical Physiology and Nuclear Medicine, Kuopio University Hospital, Kuopio, Finland.,Centre for Population Health Research, University of Turku and Turku University Hospital, Turku, Finland
| | - Antti Jula
- National Institute for Health and Welfare, Turku, Finland
| | - Jorma S A Viikari
- Department of Medicine, University of Turku and Division of Medicine, Turku University Hospital, Turku, Finland
| | - Markus Juonala
- Department of Medicine, University of Turku and Division of Medicine, Turku University Hospital, Turku, Finland
| | - Nina Hutri-Kähönen
- Department of Pediatrics, Tampere University Hospital and Tampere University, Tampere, Finland
| | - Mika Kähönen
- Department of Clinical Physiology, Tampere University Hospital and Tampere University, Tampere, Finland
| | - Terho Lehtimäki
- Department of Clinical Chemistry, Fimlab laboratories and Faculty of Medicine and Health Technology, Finnish Cardiovascular Research Center - Tampere, Tampere University, Tampere, Finland
| | - Olli T Raitakari
- Research Centre of Applied and Preventive Cardiovascular Medicine, University of Turku, Turku, Finland.,Centre for Population Health Research, University of Turku and Turku University Hospital, Turku, Finland.,Department of Clinical Physiology and Nuclear Medicine, Turku University Hospital, Turku, Finland
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22
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Khamlaoui W, Mehri S, Hammami S, Hammouda S, Chraeif I, Elosua R, Hammami M. Association Between Genetic Variants in FADS1-FADS2 and ELOVL2 and Obesity, Lipid Traits, and Fatty Acids in Tunisian Population. Clin Appl Thromb Hemost 2021; 26:1076029620915286. [PMID: 32584610 PMCID: PMC7427023 DOI: 10.1177/1076029620915286] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/16/2022] Open
Abstract
The aim of this study was to determine whether genetic variants in FADS1/FADS2 and ELOVL2 are associated with overweight–obesity and body mass index (BMI) and to assess the association between these genetic variants and lipid profile and fatty acid levels. A total of 259 overweight–obese patients were compared to 369 healthy controls. FADS1, FADS2, and ELOVL2 genes were associated with BMI and overweight–obesity (P ≤ .001). In an additive model, the C allele in each of these variants was associated with a lower BMI: −1.18, −0.90, and −1.23 units, respectively. Higher amounts of total cholesterol, low-density lipoprotein cholesterol, total saturated fatty acids (lauric [12:0], myristic [C14:0], palmitic [C16:0], stearic [C18:0], arachidic [20:0], lignoceric [24:0]), monounsaturated fatty acids (myristoleic [C14:1], erucic [C22:1 n-9]), and polyunsaturated fatty acids (α-linolenic [ALA, 18:3 n-3], docosahexaenoic [DHA, C22:6 n-3], eicosapentaenoic acid [EPA, C20:5n-3], arachidonic acid [AA, 20:4n-6], and conjugated linolenic acids [CLA1 and CLA2]) were shown in patients. A significant increase in D6D activities presented by 20:4n-6/18:2n-6 and 18:3n-6/18:2n-6, Δ9 desaturase (D9D) activity, estimated by the ratio 18:1n-9/18:0 and elongase activities (AE), and estimated by the ratio of docosatetraenoic/AA and DPA/EPA in patients. The C minor allele of FADS1 had significantly lower DHA. A significant decrease in stearic acid, EPA, and AE activity (docosatetraenoic/AA) was revealed in patients with the minor allele carriers of FADS2. The C minor allele of ELOVL2 had significantly lower ALA, EPA, DPA, and D6D activity (C20:4 n-6/C18:2n-6). These data suggest that variations in FADS1, FADS2, and ELOVL2 affect the risk of overweight–obesity and the level of circulating fatty acids and could point to a key molecular pathway of metabolic syndrome and its related comorbidities.
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Affiliation(s)
- Wided Khamlaoui
- Biochemistry Laboratory, LR12ES05 "Nutrition-Functional Foods and Vascular Health," Faculty of Medicine, University of Monastir, Tunisia
| | - Sounira Mehri
- Biochemistry Laboratory, LR12ES05 "Nutrition-Functional Foods and Vascular Health," Faculty of Medicine, University of Monastir, Tunisia
| | - Sonia Hammami
- Biochemistry Laboratory, LR12ES05 "Nutrition-Functional Foods and Vascular Health," Faculty of Medicine, University of Monastir, Tunisia.,Department of Internal Medicine, CHU F. Bourguiba, Monastir, Tunisia
| | - Souha Hammouda
- Biochemistry Laboratory, LR12ES05 "Nutrition-Functional Foods and Vascular Health," Faculty of Medicine, University of Monastir, Tunisia
| | - Imed Chraeif
- Biochemistry Laboratory, LR12ES05 "Nutrition-Functional Foods and Vascular Health," Faculty of Medicine, University of Monastir, Tunisia
| | - Roberto Elosua
- Cardiovascular Epidemiology and Genetics, Institute Hospital del Mar d'Investigacions Mediques, Barcelona, Spain
| | - Mohamed Hammami
- Biochemistry Laboratory, LR12ES05 "Nutrition-Functional Foods and Vascular Health," Faculty of Medicine, University of Monastir, Tunisia
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Is There a FADS2-Modulated Link between Long-Chain Polyunsaturated Fatty Acids in Plasma Phospholipids and Polyphenol Intake in Adult Subjects Who Are Overweight? Nutrients 2021; 13:nu13020296. [PMID: 33494132 PMCID: PMC7909565 DOI: 10.3390/nu13020296] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 12/30/2020] [Accepted: 01/05/2021] [Indexed: 02/07/2023] Open
Abstract
Dietary polyphenols promote cardiometabolic health and are linked with long-chain polyunsaturated fatty acids in plasma phospholipids (LC-PUFA). The FADS2 polymorphisms are associated with LC-PUFA metabolism and overweight/obesity. This 4-week study examined the link between polyphenol intake, FADS2 variants (rs174593, rs174616, rs174576) and obesity in 62 overweight adults (BMI ≥ 25), allocated to consume 100 mL daily of either: Aronia juice, a rich source of polyphenols, with 1177.11 mg polyphenols (expressed as gallic acid equivalents)/100 mL (AJ, n = 22), Aronia juice with 294.28 mg polyphenols/100 mL (MJ, n = 20), or nutritionally matched polyphenol-lacking placebo as a control (PLB, n = 20). We analyzed LC-PUFA (% of total pool) by gas chromatography and FADS2 variants by real-time PCR. Four-week changes in LC-PUFA, BMI, and body weight were included in statistical models, controlling for gender and PUFA intake. Only upon AJ and MJ, the presence of FADS2 variant alleles affected changes in linoleic, arachidonic, and eicosapentaenoic acid (EPA). Upon MJ treatment, changes in EPA were inversely linked with changes in BMI (β= -0.73, p = 0.029) and weight gain (β= -2.17, p = 0.024). Only in subjects drinking AJ, the link between changes in EPA and anthropometric indices was modified by the rs174576 variant allele. Our results indicate the interaction between FADS2, fatty acid metabolism, and polyphenol intake in overweight subjects.
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24
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Fatty Acid Profile of Mature Red Blood Cell Membranes and Dietary Intake as a New Approach to Characterize Children with Overweight and Obesity. Nutrients 2020; 12:nu12113446. [PMID: 33182783 PMCID: PMC7696547 DOI: 10.3390/nu12113446] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2020] [Revised: 11/06/2020] [Accepted: 11/08/2020] [Indexed: 12/11/2022] Open
Abstract
Obesity is a chronic metabolic disease of high complexity and of multifactorial origin. Understanding the effects of nutrition on childhood obesity metabolism remains a challenge. The aim of this study was to determine the fatty acid (FA) profile of red blood cell (RBC) membranes as a comprehensive biomarker of children’s obesity metabolism, together with the evaluation of their dietary intake. An observational study was carried out on 209 children (107 healthy controls, 41 who were overweight and 61 with obesity) between 6 and 16 years of age. Mature RBC membrane phospholipids were analyzed for FA composition by gas chromatography-mass spectrometry (GC-MS). Dietary habits were evaluated using validated food frequency questionnaires (FFQ) and the Mediterranean Diet Quality Index for children (KIDMED) test. Compared to children with normal weight, children with obesity showed an inflammatory profile in mature RBC FAs, evidenced by higher levels of ω-6 polyunsaturated FAs (mainly arachidonic acid, p < 0.001). Children who were overweight or obese presented lower levels of monounsaturated FA (MUFA) compared to children with normal weight (p = 0.001 and p = 0.03, respectively), resulting in an increased saturated fatty acid (SFA)/MUFA ratio. A lower intake of nuts was observed for children with obesity. A comprehensive membrane lipidomic profile approach in children with obesity will contribute to a better understanding of the metabolic differences present in these individuals.
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Arsic A, Takic M, Kojadinovic M, Petrovic S, Paunovic M, Vucic V, Ristic Medic D. Metabolically healthy obesity: is there a link with polyunsaturated fatty acid intake and status? Can J Physiol Pharmacol 2020; 99:64-71. [PMID: 32822561 DOI: 10.1139/cjpp-2020-0317] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023]
Abstract
The aim of this study was to compare dietary intake and status of polyunsaturated fatty acids (PUFA) in plasma and erythrocyte phospholipids metabolically healthy and unhealthy, and obese and nonobese persons. Metabolic health status in 171 participants was defined according to criteria for metabolic syndrome. Obese and nonobese metabolically unhealthy persons (MUHO and MUHNO) had higher energy intake of n-6 PUFA (7.82 ± 1.03 and 7.49 ± 0.86) and lower intake of n-3 PUFA (0.60 ± 0.12 and 0.62 ± 0.11) compared to obese and nonobese metabolically healthy persons (MHO and MHNO) (5.92 ± 0.63 and 5.72 ± 0.67; 1.20 ± 0.07 and 1.22 ± 0.09, respectively) and a higher n-6/n-3 PUFA ratio. The plasma level of n-6 PUFA was lower in the MUHO and MUHNO groups (38.49 ± 3.71 and 38.53 ± 2.19) compared to MHNO (40.90 ± 2.43), while n-3 PUFA status was lower in obese than in nonobese persons (3.58 ± 0.79 and 3.50 ± 1.02 vs. 4.21 ± 0.80 and 4.06 ± 1.15). The MHO group had a higher eicosapentaenoic/arachidonic acid ratio and estimated desaturase (SCD16, D6D) and elongase activity in plasma phospholipids compared to MHNO. The low intake of n-3 PUFA is directly associated with metabolic risk factors. These results indicated that obesity is closely associated with low levels of n-3 PUFA in plasma phospholipids, suggesting that dietary modifications including n-3 PUFA supplementation appear to be suitable therapeutic strategy in obese persons.
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Affiliation(s)
- Aleksandra Arsic
- Centre of Research Excellence in Nutrition and Metabolism, National Institute for Medical Research, University of Belgrade, Belgrade, Serbia.,Centre of Research Excellence in Nutrition and Metabolism, National Institute for Medical Research, University of Belgrade, Belgrade, Serbia
| | - Marija Takic
- Centre of Research Excellence in Nutrition and Metabolism, National Institute for Medical Research, University of Belgrade, Belgrade, Serbia.,Centre of Research Excellence in Nutrition and Metabolism, National Institute for Medical Research, University of Belgrade, Belgrade, Serbia
| | - Milica Kojadinovic
- Centre of Research Excellence in Nutrition and Metabolism, National Institute for Medical Research, University of Belgrade, Belgrade, Serbia.,Centre of Research Excellence in Nutrition and Metabolism, National Institute for Medical Research, University of Belgrade, Belgrade, Serbia
| | - Snjezana Petrovic
- Centre of Research Excellence in Nutrition and Metabolism, National Institute for Medical Research, University of Belgrade, Belgrade, Serbia.,Centre of Research Excellence in Nutrition and Metabolism, National Institute for Medical Research, University of Belgrade, Belgrade, Serbia
| | - Marija Paunovic
- Centre of Research Excellence in Nutrition and Metabolism, National Institute for Medical Research, University of Belgrade, Belgrade, Serbia.,Centre of Research Excellence in Nutrition and Metabolism, National Institute for Medical Research, University of Belgrade, Belgrade, Serbia
| | - Vesna Vucic
- Centre of Research Excellence in Nutrition and Metabolism, National Institute for Medical Research, University of Belgrade, Belgrade, Serbia.,Centre of Research Excellence in Nutrition and Metabolism, National Institute for Medical Research, University of Belgrade, Belgrade, Serbia
| | - Danijela Ristic Medic
- Centre of Research Excellence in Nutrition and Metabolism, National Institute for Medical Research, University of Belgrade, Belgrade, Serbia.,Centre of Research Excellence in Nutrition and Metabolism, National Institute for Medical Research, University of Belgrade, Belgrade, Serbia
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26
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Muzsik A, Jeleń HH, Chmurzynska A. Metabolic syndrome in postmenopausal women is associated with lower erythrocyte PUFA/MUFA and n-3/n-6 ratio: A case-control study. Prostaglandins Leukot Essent Fatty Acids 2020; 159:102155. [PMID: 32622152 DOI: 10.1016/j.plefa.2020.102155] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 05/28/2020] [Accepted: 06/24/2020] [Indexed: 11/29/2022]
Abstract
The aim of this study was to compare fatty acid (FA) intake and status in postmenopausal women with or without metabolic syndrome (MetS). 131 women were recruited to a case-control study in 2016-2018 in Poznań, Poland. Dietary intake, anthropometric and biochemical measurements, FA level in red blood cells (RBCs), and FADS1 (rs174546) and FADS2 (rs3834458) genotypes were determined. Compared to women without MetS, those with MetS had lower levels of EPA, n-3, EPA/α-linolenic acid (ALA), EPA/AA, DHA/AA, EPA+DHA/AA, PUFA/saturated FA, PUFA/monounsaturated FA, and n-3/n-6 ratios in RBCs. Participants with at least one minor allele of each polymorphism had lower levels of EPA, and EPA/AA, and a higher level of DHA/EPA in RBCs than did women with major alleles. MetS is associated with lower levels FAs that have a protective effect on cardiometabolic health. FADS1 and FADS2 polymorphisms are associated with unfavorable FA and status EPA/AA in RBC contributes to MetS.
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Affiliation(s)
- Agata Muzsik
- Institute of Human Nutrition and Dietetics, Poznań University of Life Sciences, Wojska Polskiego 31, 60-624 Poznań, Poland
| | - Henryk H Jeleń
- Institute of Food Technology of Plant Origin, Poznań University of Life Sciences, 60-634 Poznań, Poland
| | - Agata Chmurzynska
- Institute of Human Nutrition and Dietetics, Poznań University of Life Sciences, Wojska Polskiego 31, 60-624 Poznań, Poland.
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del Pozo MDP, Lope V, Criado-Navarro I, Pastor-Barriuso R, Fernández de Larrea N, Ruiz E, Castelló A, Lucas P, Sierra Á, Romieu I, Chajès V, Priego-Capote F, Pérez-Gómez B, Pollán M. Serum Phospholipid Fatty Acids Levels, Anthropometric Variables and Adiposity in Spanish Premenopausal Women. Nutrients 2020; 12:E1895. [PMID: 32630591 PMCID: PMC7353394 DOI: 10.3390/nu12061895] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Revised: 06/16/2020] [Accepted: 06/23/2020] [Indexed: 02/05/2023] Open
Abstract
This study investigates the still uncertain association between serum phospholipid fatty acids (PL-FA), and anthropometric and adiposity variables. A cross-sectional study was conducted with 1443 Spanish premenopausal women. Participants answered an epidemiological and a food frequency questionnaire. Anthropometric variables were measured using a bioimpedance scale. Serum PL-FAs levels were determined by gas chromatography-mass spectrometry. The association between body mass index (BMI), weight gain, body fat percentage, visceral fat index, and waist circumference with serum PL-FAs and desaturation indices was evaluated using multivariable linear regression models. BMI was positively associated with the relative concentration of saturated fatty acids (SFAs) (β = 0.94, q-val = 0.001), and with palmitoleic, dihomo-γ-linolenic (DGLA), arachidonic (AA) and α-linolenic acids, and was inversely associated with oleic, gondoic, trans-vaccenic, linoleic and γ-linolenic acids. Total fat percentage was positively associated with DGLA and AA, and inversely with linoleic and γ-linolenic acids. Low relative concentrations of some SFAs and high levels of n-6 PUFAs were associated with greater waist circumference. While the oleic/stearic and AA/DGLA acid ratios were inversely associated with BMI, DGLA/linoleic acid ratio was positively related to almost all variables. In addition to BMI, total fat percentage and waist circumference were also associated with certain individual fatty acids.
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Affiliation(s)
- María del Pilar del Pozo
- Department of Preventive Medicine, Public Health and Microbiology, Universidad Autónoma de Madrid (UAM), 28049 Madrid, Spain;
| | - Virginia Lope
- Department of Epidemiology of Chronic Diseases, National Center for Epidemiology, Carlos III Institute of Health, 28029 Madrid, Spain; (R.P.-B.); (N.F.d.L.); (E.R.); (A.C.); (P.L.); (Á.S.); (B.P.-G.); (M.P.)
- Consortium for Biomedical Research in Epidemiology & Public Health, CIBERESP, 28029 Madrid, Spain
| | - Inmaculada Criado-Navarro
- Department of Analytical Chemistry, Annex Marie Curie Building, Campus of Rabanales, University of Córdoba, 14014 Córdoba, Spain; (I.C.-N.); (F.P.-C.)
- Maimónides Institute of Biomedical Research (IMIBIC), Reina Sofia University Hospital, 14004 Córdoba, Spain
| | - Roberto Pastor-Barriuso
- Department of Epidemiology of Chronic Diseases, National Center for Epidemiology, Carlos III Institute of Health, 28029 Madrid, Spain; (R.P.-B.); (N.F.d.L.); (E.R.); (A.C.); (P.L.); (Á.S.); (B.P.-G.); (M.P.)
- Consortium for Biomedical Research in Epidemiology & Public Health, CIBERESP, 28029 Madrid, Spain
| | - Nerea Fernández de Larrea
- Department of Epidemiology of Chronic Diseases, National Center for Epidemiology, Carlos III Institute of Health, 28029 Madrid, Spain; (R.P.-B.); (N.F.d.L.); (E.R.); (A.C.); (P.L.); (Á.S.); (B.P.-G.); (M.P.)
- Consortium for Biomedical Research in Epidemiology & Public Health, CIBERESP, 28029 Madrid, Spain
| | - Emma Ruiz
- Department of Epidemiology of Chronic Diseases, National Center for Epidemiology, Carlos III Institute of Health, 28029 Madrid, Spain; (R.P.-B.); (N.F.d.L.); (E.R.); (A.C.); (P.L.); (Á.S.); (B.P.-G.); (M.P.)
- Consortium for Biomedical Research in Epidemiology & Public Health, CIBERESP, 28029 Madrid, Spain
| | - Adela Castelló
- Department of Epidemiology of Chronic Diseases, National Center for Epidemiology, Carlos III Institute of Health, 28029 Madrid, Spain; (R.P.-B.); (N.F.d.L.); (E.R.); (A.C.); (P.L.); (Á.S.); (B.P.-G.); (M.P.)
- Consortium for Biomedical Research in Epidemiology & Public Health, CIBERESP, 28029 Madrid, Spain
- Faculty of Medicine, University of Alcalá, Alcalá de Henares, 28871 Madrid, Spain
| | - Pilar Lucas
- Department of Epidemiology of Chronic Diseases, National Center for Epidemiology, Carlos III Institute of Health, 28029 Madrid, Spain; (R.P.-B.); (N.F.d.L.); (E.R.); (A.C.); (P.L.); (Á.S.); (B.P.-G.); (M.P.)
| | - Ángeles Sierra
- Department of Epidemiology of Chronic Diseases, National Center for Epidemiology, Carlos III Institute of Health, 28029 Madrid, Spain; (R.P.-B.); (N.F.d.L.); (E.R.); (A.C.); (P.L.); (Á.S.); (B.P.-G.); (M.P.)
- Consortium for Biomedical Research in Epidemiology & Public Health, CIBERESP, 28029 Madrid, Spain
| | - Isabelle Romieu
- Center for Research on Population Health, National Institute of Public Health, Cuernavaca 62100, Mexico;
- Huber Department of Global Health, Emory University, Atlanta, GA 30329, USA
| | - Véronique Chajès
- Section of Nutrition and Metabolism, International Agency for Research on Cancer, 69008 Lyon, France;
| | - Feliciano Priego-Capote
- Department of Analytical Chemistry, Annex Marie Curie Building, Campus of Rabanales, University of Córdoba, 14014 Córdoba, Spain; (I.C.-N.); (F.P.-C.)
- Maimónides Institute of Biomedical Research (IMIBIC), Reina Sofia University Hospital, 14004 Córdoba, Spain
| | - Beatriz Pérez-Gómez
- Department of Epidemiology of Chronic Diseases, National Center for Epidemiology, Carlos III Institute of Health, 28029 Madrid, Spain; (R.P.-B.); (N.F.d.L.); (E.R.); (A.C.); (P.L.); (Á.S.); (B.P.-G.); (M.P.)
- Consortium for Biomedical Research in Epidemiology & Public Health, CIBERESP, 28029 Madrid, Spain
| | - Marina Pollán
- Department of Epidemiology of Chronic Diseases, National Center for Epidemiology, Carlos III Institute of Health, 28029 Madrid, Spain; (R.P.-B.); (N.F.d.L.); (E.R.); (A.C.); (P.L.); (Á.S.); (B.P.-G.); (M.P.)
- Consortium for Biomedical Research in Epidemiology & Public Health, CIBERESP, 28029 Madrid, Spain
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Pertiwi K, Küpers LK, Geleijnse JM, Zock PL, Wanders AJ, Kruger HS, van Zyl T, Kruger IM, Smuts CM. Associations of linoleic acid with markers of glucose metabolism and liver function in South African adults. Lipids Health Dis 2020; 19:138. [PMID: 32546275 PMCID: PMC7296762 DOI: 10.1186/s12944-020-01318-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/27/2020] [Accepted: 06/10/2020] [Indexed: 11/17/2022] Open
Abstract
Background The relation between dietary and circulating linoleic acid (18:2 n-6, LA), glucose metabolism and liver function is not yet clear. Associations of dietary and circulating LA with glucose metabolism and liver function markers were investigated. Methods Cross-sectional analyses in 633 black South Africans (aged > 30 years, 62% female, 51% urban) without type 2 diabetes at baseline of the Prospective Urban Rural Epidemiology study. A cultural-sensitive 145-item food-frequency questionnaire was used to collect dietary data, including LA (percentage of energy; en%). Blood samples were collected to measure circulating LA (% total fatty acids (FA); plasma phospholipids), plasma glucose, glycosylated hemoglobin (HbA1c), serum gamma-glutamyl transferase (GGT), alanine (ALT) and aspartate aminotransferase (AST). Associations per 1 standard deviation (SD) and in tertiles were analyzed using multivariable regression. Results Mean (±SD) dietary and circulating LA was 6.8 (±3.1) en% and 16.0 (±3.5) % total FA, respectively. Dietary and circulating LA were not associated with plasma glucose or HbA1c (β per 1 SD: − 0.005 to 0.010, P > 0.20). Higher dietary LA was generally associated with lower serum liver enzymes levels. One SD higher circulating LA was associated with 22% lower serum GGT (β (95% confidence interval): − 0.25 (− 0.31, − 0.18), P < 0.001), but only ≤9% lower for ALT and AST. Circulating LA and serum GGT associations differed by alcohol use and locality. Conclusion Dietary and circulating LA were inversely associated with markers of impaired liver function, but not with glucose metabolism. Alcohol use may play a role in the association between LA and liver function. Trial registration PURE North-West Province South Africa study described in this manuscript is part of the PURE study. The PURE study is registered in ClinicalTrials.gov (Identifier: NCT03225586; URL).
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Affiliation(s)
- Kamalita Pertiwi
- Division of Human Nutrition and Health, Wageningen University, Wageningen, The Netherlands.
| | - Leanne K Küpers
- Division of Human Nutrition and Health, Wageningen University, Wageningen, The Netherlands
| | - Johanna M Geleijnse
- Division of Human Nutrition and Health, Wageningen University, Wageningen, The Netherlands
| | - Peter L Zock
- Division of Human Nutrition and Health, Wageningen University, Wageningen, The Netherlands.,Unilever R&D, Foods Innovation Centre, Wageningen, the Netherlands
| | - Anne J Wanders
- Unilever R&D, Foods Innovation Centre, Wageningen, the Netherlands
| | - Herculina S Kruger
- Centre of Excellence for Nutrition, Faculty of Health Sciences, North-West University, Potchefstroom, South Africa
| | - Tertia van Zyl
- Centre of Excellence for Nutrition, Faculty of Health Sciences, North-West University, Potchefstroom, South Africa
| | - Iolanthé M Kruger
- Africa Unit for Transdisciplinary Health Research, Faculty of Health Sciences, North-West University, Potchefstroom, South Africa
| | - Cornelius M Smuts
- Centre of Excellence for Nutrition, Faculty of Health Sciences, North-West University, Potchefstroom, South Africa
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FADS1 and FADS2 polymorphism are associated with changes in fatty acid concentrations after calorie-restricted Central European and Mediterranean diets. Menopause 2020; 26:1415-1424. [PMID: 31567872 DOI: 10.1097/gme.0000000000001409] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
OBJECTIVE In the present study, we tested whether calorie-restricted diets differing in their percentage of energy derived from monounsaturated fatty acids and carbohydrates can affect the metabolism of fatty acids (FAs) in postmenopausal women. Moreover, we examined whether polymorphisms of FADS1 and FADS2 are associated with these changes. METHODS Postmenopausal women (the mean age: 60.5 ± 5.0 y) were randomized for 16 weeks to two different calorie-restricted diets: a Central European diet (CED) or a Mediterranean diet (MED). RESULTS After the intervention, levels of most FAs in red blood cells decreased in both groups. The delta values for the 20:1n-9 and the 20:2n-6 levels differed between the CED and the MED (-1.55 ± 4.02 μg/mL vs 0.39 ± 4.11 μg/mL and -0.62 ± 10.93 μg/mL vs 3.06 ± 8.75 μg/mL; P < 0.05). Women in the CED group with at least one minor allele of FADS genes had greater decreases of α-linolenic acid, dihomo-γ-linolenic acid, total n-6, and total PUFA (by approximately 70%, 40%, 35%, and 35%, respectively) than did women with the major alleles. After the intervention, the change in the lipid accumulation product index was -28.28 ± 27.84 and -32.00 ± 78.55 in the CED and the MED group, respectively. CONCLUSIONS The effect of the dietary intervention on FA metabolism seems to depend mostly on calorie restriction, but not on type of diet. FADS1 and FADS2 gene polymorphisms can modify the response to the CED.
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Differential Effects of Post-Weaning Diet and Maternal Obesity on Mouse Liver and Brain Metabolomes. Nutrients 2020; 12:nu12061572. [PMID: 32481497 PMCID: PMC7352523 DOI: 10.3390/nu12061572] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2020] [Revised: 05/20/2020] [Accepted: 05/24/2020] [Indexed: 12/16/2022] Open
Abstract
Nutritional changes during developmental windows are of particular concern in offspring metabolic disease. Questions are emerging concerning the role of maternal weight changes before conception, particularly for weight loss, in the development of diet-related disorders. Understanding the physiological pathways affected by the maternal trajectories in the offspring is therefore essential, but a broad overview is still lacking. We recently reported both metabolic and behavioral negative outcomes in offspring born to obese or weight-loss mothers and fed a control of high-fat diet, suggesting long-term modeling of metabolic pathways needing to be further characterized. Using non-targeted LC–HRMS, we investigated the impact of maternal and post-weaning metabolic status on the adult male offspring’s metabolome in three tissues involved in energy homeostasis: liver, hypothalamus and olfactory bulb. We showed that post-weaning diet interfered with the abundance of several metabolites, including 1,5-anhydroglucitol, saccharopine and β-hydroxybutyrate, differential in the three tissues. Moreover, maternal diet had a unique impact on the abundance of two metabolites in the liver. Particularly, anserine abundance, lowered by maternal obesity, was normalized by a preconceptional weight loss, whatever the post-weaning diet. This study is the first to identify a programming long-term effect of maternal preconception obesity on the offspring metabolome.
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Galactomyces geotrichum mold isolated from a traditional fried cottage cheese produced omega-3 fatty acids. Int J Food Microbiol 2020; 319:108503. [PMID: 31923767 DOI: 10.1016/j.ijfoodmicro.2019.108503] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/24/2019] [Revised: 12/20/2019] [Accepted: 12/27/2019] [Indexed: 11/21/2022]
Abstract
Thirty nine strains of Galactomyces geotrichum molds were isolated from a traditional fried cottage cheese and production of polyunsaturated fatty acids (PUFA) was assessed. Among them eleven strains produced an extracellular lipids enriched in n-6 and n-3 PUFA. The extracellular lipids produced by G. geotrichum strain 38 contained the highest amounts of total PUFA (24.3%), with the highest contribution of n-3 fatty acids (17.9%), where α-linolenic, eicosapentaenoic, docosapentaenoic and docosahexaenoic acids were the main contributors. To obtain maximal production of PUFA, composition of the medium consisted of 10 g/L rapeseed oil, 5 g/L yeast extract, 0.05 g/L K2HPO4, 0.17 g/L MgSO4, 0.015 g/L MnSO4, 0.015 g/L ZnSO4, 0.05 g/L FeSO4, and 10 mg/L vitamin B12. The optimal growth conditions at 30 °C involve: aeration at 1.5 vvm (volume of air per volume of broth per minute) at pH 6.5. The cheese produced under described conditions contained higher amount of n-3 PUFA (0.25 mg/g cheese) in comparison to control (0.01 mg/g). α-Linolenic acid predominated among n-3 fatty acids. Galactomyces geotrichum is a natural microflora of dairy products, and could be used to enrich food/cheese in deficient omega-3 lipids.
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Mak IL, Cohen TR, Vanstone CA, Weiler HA. Arachidonic acid status negatively associates with forearm bone outcomes and glucose homeostasis in children with an overweight condition or obesity. Appl Physiol Nutr Metab 2020; 45:146-154. [PMID: 31269410 DOI: 10.1139/apnm-2019-0046] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2023]
Abstract
Long-chain polyunsaturated fatty acids are implicated in musculoskeletal health in adults. This study examined whether fatty acid status relates to bone health outcomes in children with overweight condition or obesity (body mass index z score, 3.1 ± 0.1; age, 9.0 ± 0.2 years; n = 108). Nondominant forearm bone density (distal one-third), geometry (4% site), and soft tissue composition (66%) were assessed using dual-energy X-ray absorptiometry and peripheral quantitative computed tomography. Red blood cell (RBC) fatty acid profile and indices of glucose homeostasis were measured. Differences in outcomes among RBC arachidonic acid (AA, C20:4n-6) tertiles were tested using mixed-model ANOVA. Ultra-, mid-, and total-distal forearm bone mineral content, adjusted for sex, age, percentage body fat, race, and forearm length, were 10% to 13% greater in children in the first AA tertile relative to the third. Children in the second tertile had the highest bone cross-sectional area and estimated strength at the 66% radius. Muscle cross-sectional area was 15% lower in the third tertile compared with the first, along with higher fasting insulin concentrations (27%) and homeostasis model of assessment estimate of insulin resistance (31%). Higher RBC AA status aligns with deficits in forearm bone mass, geometry, and muscle mass in children with excess adiposity and early signs of insulin resistance. Novelty Higher arachidonic acid status is associated with lower forearm bone mass in children with overweight condition or obesity. Children with higher arachidonic acid status had increased fasting insulin concentrations and indices of insulin resistance.
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Affiliation(s)
- Ivy L Mak
- School of Human Nutrition, McGill University, Ste-Anne-de-Bellevue, QC H9X 3V9, Canada
| | - Tamara R Cohen
- School of Human Nutrition, McGill University, Ste-Anne-de-Bellevue, QC H9X 3V9, Canada
- PERFORM Centre, Concordia University, Montreal, QC H4B 1R6, Canada
| | - Catherine A Vanstone
- School of Human Nutrition, McGill University, Ste-Anne-de-Bellevue, QC H9X 3V9, Canada
| | - Hope A Weiler
- School of Human Nutrition, McGill University, Ste-Anne-de-Bellevue, QC H9X 3V9, Canada
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Yang Y, Du L, Hosokawa M, Miyashita K. Effect of Spirulina lipids on high-fat and high-sucrose diet induced obesity and hepatic lipid accumulation in C57BL/6J mice. J Funct Foods 2020. [DOI: 10.1016/j.jff.2019.103741] [Citation(s) in RCA: 13] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
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Dietary linoleic acid and human health: Focus on cardiovascular and cardiometabolic effects. Atherosclerosis 2019; 292:90-98. [PMID: 31785494 DOI: 10.1016/j.atherosclerosis.2019.11.018] [Citation(s) in RCA: 155] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/28/2019] [Revised: 10/28/2019] [Accepted: 11/14/2019] [Indexed: 12/16/2022]
Abstract
This narrative review aims to discuss the more relevant evidence on the role of linoleic acid (LA), a n-6 essential fatty acid that constitutes the predominant proportion of dietary polyunsaturated fatty acids (PUFA), in cardiovascular health. Although LA can be metabolized into Arachidonic Acid (AA), a 20 carbon PUFA which is the precursor of eicosanoids, including some with proinflammatory or prothrombotic-vasoconstrictor action, the large majority of experimental and clinical studies have assessed the potential benefit of increasing dietary intake of LA. Overall, data from clinical studies and meta-analyses suggest an association between high dietary intakes or tissue levels of n-6 PUFA, and specifically LA, and the improvement of cardiovascular risk (mainly of the plasma lipid profile), as well as long-term glycaemic control and insulin resistance. Most observational data show that elevated/increased dietary intake or tissue levels of LA is associated with a reduced incidence of cardiovascular diseases (mainly coronary artery diseases) and of new onset metabolic syndrome or type 2 diabetes. The effects of LA (or n-6 PUFA) in other physio-pathological areas are less clear. High quality clinical trials are needed to assess both the actual amplitude and the underlying mechanisms of the health effects related to dietary intake of this essential fatty acid.
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Granata I, Troiano E, Sangiovanni M, Guarracino MR. Integration of transcriptomic data in a genome-scale metabolic model to investigate the link between obesity and breast cancer. BMC Bioinformatics 2019; 20:162. [PMID: 30999849 PMCID: PMC6471692 DOI: 10.1186/s12859-019-2685-9] [Citation(s) in RCA: 17] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Obesity is a complex disorder associated with an increased risk of developing several comorbid chronic diseases, including postmenopausal breast cancer. Although many studies have investigated this issue, the link between body weight and either risk or poor outcome of breast cancer is still to characterize. Systems biology approaches, based on the integration of multiscale models and data from a wide variety of sources, are particularly suitable for investigating the underlying molecular mechanisms of complex diseases. In this scenario, GEnome-scale metabolic Models (GEMs) are a valuable tool, since they represent the metabolic structure of cells and provide a functional scaffold for simulating and quantifying metabolic fluxes in living organisms through constraint-based mathematical methods. The integration of omics data into the structural information described by GEMs allows to build more accurate descriptions of metabolic states. RESULTS In this work, we exploited gene expression data of postmenopausal breast cancer obese and lean patients to simulate a curated GEM of the human adipocyte, available in the Human Metabolic Atlas database. To this aim, we used a published algorithm which exploits a data-driven approach to overcome the limitation of defining a single objective function to simulate the model. The flux solutions were used to build condition-specific graphs to visualise and investigate the reaction networks and their properties. In particular, we performed a network topology differential analysis to search for pattern differences and identify the principal reactions associated with significant changes across the two conditions under study. CONCLUSIONS Metabolic network models represent an important source to study the metabolic phenotype of an organism in different conditions. Here we demonstrate the importance of exploiting Next Generation Sequencing data to perform condition-specific GEM analyses. In particular, we show that the qualitative and quantitative assessment of metabolic fluxes modulated by gene expression data provides a valuable method for investigating the mechanisms associated with the phenotype under study, and can foster our interpretation of biological phenomena.
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Affiliation(s)
- Ilaria Granata
- High Performance Computing and Networking Institute, National Research Council of Italy, Via P. Castellino, 111, Napoli, 80131, Italy.
| | - Enrico Troiano
- High Performance Computing and Networking Institute, National Research Council of Italy, Via P. Castellino, 111, Napoli, 80131, Italy
| | - Mara Sangiovanni
- Stazione Zoologica Anton Dohrn, Villa Comunale, Napoli, 80121, Italy
| | - Mario Rosario Guarracino
- High Performance Computing and Networking Institute, National Research Council of Italy, Via P. Castellino, 111, Napoli, 80131, Italy
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Pokimica B, García-Conesa MT, Zec M, Debeljak-Martačić J, Ranković S, Vidović N, Petrović-Oggiano G, Konić-Ristić A, Glibetić M. Chokeberry Juice Containing Polyphenols Does Not Affect Cholesterol or Blood Pressure but Modifies the Composition of Plasma Phospholipids Fatty Acids in Individuals at Cardiovascular Risk. Nutrients 2019; 11:E850. [PMID: 30991718 PMCID: PMC6520894 DOI: 10.3390/nu11040850] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/21/2019] [Revised: 04/09/2019] [Accepted: 04/10/2019] [Indexed: 12/17/2022] Open
Abstract
Chokeberry polyphenols have been suggested to reduce cholesterol and blood pressure and thus protect against cardiovascular diseases (CVD), but the evidence in humans is limited and inconsistent. This randomized double-blinded three-parallel groups trial investigated the changes in various anthropometric and clinical biomarkers, and in plasma phospholipids fatty acids (PPFA) in volunteers at cardiovascular risk after a four-week intervention with 100 mL/day of (1) chokeberry juice with a high-dose of polyphenols (1177.11 mg gallic acid equivalents, GAE); (2) chokeberry juice with a low-dose of polyphenols (294.28 mg GAE) and; (3) a nutritionally matched polyphenol-free placebo drink. Our results indicate that the intake of chokeberry juice containing either the low or the high dose of polyphenols cannot be linked with a reduction in total- and low-density lipoprotein (LDL)cholesterol or in systolic (SBP) and diastolic (DBP) blood pressure in comparison with the consumption of the placebo drink. However, we found evidence of moderate changes in the PPFA, i.e., increased saturated fatty acids (SFA), mostly palmitic acid, and reduced n-6 polyunsaturated fatty acids (PUFA), principally linoleic acid (LA) with the intake of chokeberry against the placebo. These effects may be associated with the polyphenols but we could not differentiate a clear dose-response effect. Further research is still needed to elucidate the contribution of the polyphenolic fraction to the potential cardiovascular effects of the chokeberry and to build up the evidence of its potential benefit via the modulation of PPFA composition.
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Affiliation(s)
- Biljana Pokimica
- Center of Research Excellence in Nutrition and Metabolism, Institute for Medical Research, University of Belgrade, 11000 Belgrade, Serbia.
| | - María-Teresa García-Conesa
- Research Group on Quality, Safety and Bioactivity of Plant Foods, Campus de Espinardo, Centro de Edafología y Biología Aplicada del Segura-Consejo Superior de Investigaciones Científicas (CEBAS-CSIC), P.O. Box 164, 30100 Murcia, Spain.
| | - Manja Zec
- Center of Research Excellence in Nutrition and Metabolism, Institute for Medical Research, University of Belgrade, 11000 Belgrade, Serbia.
| | - Jasmina Debeljak-Martačić
- Center of Research Excellence in Nutrition and Metabolism, Institute for Medical Research, University of Belgrade, 11000 Belgrade, Serbia.
| | - Slavica Ranković
- Center of Research Excellence in Nutrition and Metabolism, Institute for Medical Research, University of Belgrade, 11000 Belgrade, Serbia.
| | - Nevena Vidović
- Center of Research Excellence in Nutrition and Metabolism, Institute for Medical Research, University of Belgrade, 11000 Belgrade, Serbia.
| | - Gordana Petrović-Oggiano
- Center of Research Excellence in Nutrition and Metabolism, Institute for Medical Research, University of Belgrade, 11000 Belgrade, Serbia.
| | - Aleksandra Konić-Ristić
- Center of Research Excellence in Nutrition and Metabolism, Institute for Medical Research, University of Belgrade, 11000 Belgrade, Serbia.
| | - Maria Glibetić
- Center of Research Excellence in Nutrition and Metabolism, Institute for Medical Research, University of Belgrade, 11000 Belgrade, Serbia.
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Mika A, Sledzinski T, Stepnowski P. Current Progress of Lipid Analysis in Metabolic Diseases by Mass Spectrometry Methods. Curr Med Chem 2019; 26:60-103. [PMID: 28971757 DOI: 10.2174/0929867324666171003121127] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2016] [Revised: 09/14/2016] [Accepted: 10/10/2016] [Indexed: 12/11/2022]
Abstract
BACKGROUND Obesity, insulin resistance, diabetes, and metabolic syndrome are associated with lipid alterations, and they affect the risk of long-term cardiovascular disease. A reliable analytical instrument to detect changes in the composition or structures of lipids and the tools allowing to connect changes in a specific group of lipids with a specific disease and its progress, is constantly lacking. Lipidomics is a new field of medicine based on the research and identification of lipids and lipid metabolites present in human organism. The primary aim of lipidomics is to search for new biomarkers of different diseases, mainly civilization diseases. OBJECTIVE We aimed to review studies reporting the application of mass spectrometry for lipid analysis in metabolic diseases. METHOD Following an extensive search of peer-reviewed articles on the mass spectrometry analysis of lipids the literature has been discussed in this review article. RESULTS The lipid group contains around 1.7 million species; they are totally different, in terms of the length of aliphatic chain, amount of rings, additional functional groups. Some of them are so complex that their complex analyses are a challenge for analysts. Their qualitative and quantitative analysis of is based mainly on mass spectrometry. CONCLUSION Mass spectrometry techniques are excellent tools for lipid profiling in complex biological samples and the combination with multivariate statistical analysis enables the identification of potential diagnostic biomarkers.
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Affiliation(s)
- Adriana Mika
- Department of Environmental Analysis, Faculty of Chemistry, University of Gdansk, Poland.,Department of Pharmaceutical Biochemistry, Medical University of Gdansk, Gdansk, Poland
| | - Tomasz Sledzinski
- Department of Pharmaceutical Biochemistry, Medical University of Gdansk, Gdansk, Poland
| | - Piotr Stepnowski
- Department of Environmental Analysis, Faculty of Chemistry, University of Gdansk, Poland
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Abstract
Research over the last decades has provided strong evidence for the pivotal role of the tumor-associated blood and lymphatic vasculature in supporting immunoevasion and in subverting T cell-mediated immunosurveillance. Conversely, tumor blood and lymphatic vessel growth is in part regulated by the immune system, with infiltrating innate as well as adaptive immune cells providing both immunosuppressive and various angiogenic signals. Thus, tumor angiogenesis and escape of immunosurveillance are two cancer hallmarks that are tightly linked and interregulated by cell constituents from compartments secreting both chemokines and cytokines. In this review, we discuss the implication and regulation of innate and adaptive immune cells in regulating blood and lymphatic angiogenesis in tumor progression and metastases. Moreover, we also highlight novel therapeutic approaches that target the tumor vasculature as well as the immune compartment to sustain and improve therapeutic efficacy in cancer.
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Affiliation(s)
- Massimiliano Mazzone
- VIB-Center for Cancer Biology and Department of Oncology, KU Leuven, Leuven B-3000 Belgium;
| | - Gabriele Bergers
- VIB-Center for Cancer Biology and Department of Oncology, KU Leuven, Leuven B-3000 Belgium;
- Department of Neurological Surgery, UCSF Comprehensive Cancer Center, San Francisco, California 94158, USA;
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Liao XP, Yu Y, Marc I, Dubois L, Abdelouahab N, Bouchard L, Wu YT, Ouyang F, Huang HF, Fraser WD. Prenatal determinants of childhood obesity: a review of risk factors 1. Can J Physiol Pharmacol 2019; 97:147-154. [PMID: 30661367 DOI: 10.1139/cjpp-2018-0403] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
Childhood obesity is a predictor of adult obesity and has its roots in the pre-pregnancy or pregnancy period. This review presents an overview of the prenatal risk factors for childhood obesity, which were categorized into 2 groups: biological risk factors (maternal pre-pregnancy body mass index, gestational weight gain, diabetes in pregnancy, and caesarean section), and environmental and behavioural risk factors (maternal smoking and exposure to obesogens, maternal dietary patterns, maternal intestinal microbiome and antibiotics exposure, and maternal psychosocial stress). Identifying modifiable predisposing prenatal factors for obesity will inform further development of inventions to prevent obesity over the life course, and future directions for research and intervention are discussed.
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Affiliation(s)
- Xiang-Peng Liao
- a Department of Pediatrics, Shanghai Gongli Hospital, The Second Military Medical University, Shanghai, China.,b Centre de recherche de Centre Hospitalier Universitaire de Sherbrooke (CRCHUS) and Department of Obstetrics and Gynecology, Université de Sherbrooke, Quebec, QC J1H 5N4, Canada
| | - Yamei Yu
- c School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, Ottawa, ON K1G 5Z3, Canada
| | - Isabelle Marc
- d Centre Hospitalier Universitaire de Québec Research Centre and Department of Pediatrics, Faculty of Medicine, Université Laval, Quebec, QC G1V 4G2, Canada
| | - Lise Dubois
- c School of Epidemiology and Public Health, Faculty of Medicine, University of Ottawa, Ottawa, ON K1G 5Z3, Canada
| | - Nadia Abdelouahab
- b Centre de recherche de Centre Hospitalier Universitaire de Sherbrooke (CRCHUS) and Department of Obstetrics and Gynecology, Université de Sherbrooke, Quebec, QC J1H 5N4, Canada
| | - Luigi Bouchard
- e Department of Medical Biology, CIUSSS-SLSJ, Université de Sherbrooke, Saguenay, QC G7H 7K9, Canada
| | - Yan-Ting Wu
- f International Peace Maternity & Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,g Institute of Embryo-Fetal Original Adult Diseases, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Fengxiu Ouyang
- h Ministry of Education-Shanghai Key Laboratory of Children's Environmental Health, Xinhua Hospital and Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Heng-Feng Huang
- f International Peace Maternity & Child Health Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.,g Institute of Embryo-Fetal Original Adult Diseases, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - William D Fraser
- b Centre de recherche de Centre Hospitalier Universitaire de Sherbrooke (CRCHUS) and Department of Obstetrics and Gynecology, Université de Sherbrooke, Quebec, QC J1H 5N4, Canada
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40
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Tang J, Yan Y, Li J, Yang B, Zhao X, Wan Y, Zheng JS, Mi J, Li D. Relationship between erythrocyte phospholipid fatty acid composition and obesity in children and adolescents. J Clin Lipidol 2019; 13:70-79.e1. [DOI: 10.1016/j.jacl.2018.09.013] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2018] [Revised: 07/15/2018] [Accepted: 09/18/2018] [Indexed: 12/19/2022]
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41
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Armand M, Bernard JY, Forhan A, Heude B, Charles MA, Annesi-Maesano I, Bernard JY, Botton J, Charles MA, Dargent-Molina P, de Lauzon-Guillain B, Ducimetière P, De Agostini M, Foliguet B, Forhan A, Fritel X, Germa A, Goua V, Hankard R, Heude B, Kaminski M, Larroque B, Lelong N, Lepeule J, Magnin G, Marchand L, Nabet C, Pierre F, Slama R, Saurel-Cubizolles MJ, Schweitzer M, Thiebaugeorges O. Maternal nutritional determinants of colostrum fatty acids in the EDEN mother-child cohort. Clin Nutr 2018; 37:2127-2136. [DOI: 10.1016/j.clnu.2017.10.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2017] [Revised: 09/27/2017] [Accepted: 10/06/2017] [Indexed: 10/18/2022]
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42
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Angiopoietin-like protein 4 (ANGPTL4) is related to gestational weight gain in pregnant women with obesity. Sci Rep 2018; 8:12428. [PMID: 30127377 PMCID: PMC6102233 DOI: 10.1038/s41598-018-29731-w] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2017] [Accepted: 07/03/2018] [Indexed: 11/08/2022] Open
Abstract
Angiopoietin-like protein 4 (ANGPTL4) is a circulating protein involved in the regulation of adipose tissue metabolism. However, its role in obesity and pregnancy is unknown. To evaluate the relationship between gestational weight gain (GWG) and circulating concentrations of ANGPTL4 in pregnant women with overweight and obesity, weight gain and fasting maternal blood samples of thirty-one pregnant women was drawn at 15, 24 and 32 weeks of gestation. ANGPTL4 concentrations continuously rose throughout gestation, whereas VEGF and leptin did not show the same trend. NEFA and glycerol concentrations remained stable during pregnancy. In contrast, total concentrations of saturated, monounsaturated and n-6 fatty acids, but not n-3 fatty acids, increased with pregnancy. In multiple regression analysis, the increase in plasma ANGPTL4 and decrease in linoleic acid concentrations were the most significant predictors of GWG, although only ANGPTL4 was significantly associated with the weight gain from early pregnancy (area under the ROC curve was 0.80 p < 0.01(95% CI 0.61-0.99)). In conclusion, in pregnant women with overweight and obesity, an increase in plasma ANGPTL4 concentrations throughout pregnancy is positively associated with GWG and could be used as an early marker of increased susceptibility to excess gestational weight gain.
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43
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Li K, Brennan L, Bloomfield JF, Duff DJ, McNulty BA, Flynn A, Walton J, Gibney MJ, Nugent AP. Adiposity Associated Plasma Linoleic Acid is Related to Demographic, Metabolic Health and Haplotypes of FADS1/2 Genes in Irish Adults. Mol Nutr Food Res 2018; 62:e1700785. [DOI: 10.1002/mnfr.201700785] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/17/2017] [Revised: 12/04/2017] [Indexed: 01/04/2023]
Affiliation(s)
- Kaifeng Li
- Institute of Food and Health; School of Agriculture and Food Science; University College Dublin (UCD); Belfield Republic of Ireland
| | - Lorraine Brennan
- Institute of Food and Health; School of Agriculture and Food Science; University College Dublin (UCD); Belfield Republic of Ireland
| | | | - Dan J. Duff
- Chemical Analysis Laboratories; Sandycove Republic of Ireland
| | - Breige A. McNulty
- Institute of Food and Health; School of Agriculture and Food Science; University College Dublin (UCD); Belfield Republic of Ireland
| | - Albert Flynn
- School of Food and Nutritional Sciences; University College Cork; Cork Republic of Ireland
| | - Janette Walton
- School of Food and Nutritional Sciences; University College Cork; Cork Republic of Ireland
- School of Biological Sciences; Cork Institute of Technology; Cork Republic of Ireland
| | - Michael J. Gibney
- Institute of Food and Health; School of Agriculture and Food Science; University College Dublin (UCD); Belfield Republic of Ireland
| | - Anne P. Nugent
- Institute of Food and Health; School of Agriculture and Food Science; University College Dublin (UCD); Belfield Republic of Ireland
- School of Biological Sciences; Institute for Global Food Security; Queens University; Belfast Northern Ireland
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44
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Kang M, Lee A, Yoo HJ, Kim M, Kim M, Shin DY, Lee JH. Association between increased visceral fat area and alterations in plasma fatty acid profile in overweight subjects: a cross-sectional study. Lipids Health Dis 2017; 16:248. [PMID: 29258511 PMCID: PMC5735636 DOI: 10.1186/s12944-017-0642-z] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2017] [Accepted: 12/06/2017] [Indexed: 11/10/2022] Open
Abstract
Background Visceral fat accumulation in overweight status has been resulted in changes of fatty acid profiles. The fatty acids profiles can be altered by fatty acid desaturase; the activity of which is highly associated with obesity and other metabolic diseases. We hypothesized that fatty acid composition, desaturase activity, and accumulation of visceral fat are interrelated. Thus, the aim of this study was to investigate the association between increased visceral fat area and alterations in plasma fatty acid profile in overweight subjects with different amounts of visceral fat. Methods Healthy overweight subjects (25.0 kg/m2 ≤ BMI < 30 kg/m2, n=232) were classified into lower (T1), middle (T2), and upper tertiles (T3) according to L4 visceral fat area (T1: <71.8 cm2, T2: 71.8 cm2–99.6 cm2, T3: >99.6 cm2). Results The T3 group showed higher amounts of cis-10-heptadecenoic acid and activity of C16 Δ9-desaturase and C18 Δ9-desaturase and lower activity of Δ5-desaturase than the T1 group. Additionally, the T3 group showed higher amounts of saturated fatty acids, myristic acid, palmitic acid, stearic acid, monounsaturated fatty acids, palmitoleic acid, oleic acid, n-6 polyunsaturated fatty acids, linoleic acid, dihomo-γ-linolenic acid, arachidonic acid, n-3 PUFAs, and docosapentaenoic acid than the T1 and T2 groups. Conclusions This study indicates that greater than a certain area (>99.6 cm2) of visceral fat is needed to observe altered levels of individual fatty acid species and desaturase activities. The results suggest that increased activity of C16 Δ9-desaturase and C18 Δ9-desaturase in parallel with decreased Δ5-desaturase activity may be a causative factor in disturbed fatty acid metabolism.
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Affiliation(s)
- Miso Kang
- National Leading Research Laboratory of Clinical Nutrigenetics/Nutrigenomics, Department of Food and Nutrition, College of Human Ecology, Yonsei University, Seoul, 03722, South Korea.,Department of Food and Nutrition, Brain Korea 21 PLUS Project, College of Human Ecology, Yonsei University, Seoul, 03722, South Korea
| | - Ayoung Lee
- National Leading Research Laboratory of Clinical Nutrigenetics/Nutrigenomics, Department of Food and Nutrition, College of Human Ecology, Yonsei University, Seoul, 03722, South Korea.,Department of Food and Nutrition, Brain Korea 21 PLUS Project, College of Human Ecology, Yonsei University, Seoul, 03722, South Korea
| | - Hye Jin Yoo
- National Leading Research Laboratory of Clinical Nutrigenetics/Nutrigenomics, Department of Food and Nutrition, College of Human Ecology, Yonsei University, Seoul, 03722, South Korea.,Department of Food and Nutrition, Brain Korea 21 PLUS Project, College of Human Ecology, Yonsei University, Seoul, 03722, South Korea
| | - Minjoo Kim
- Research Center for Silver Science, Institute of Symbiotic Life-TECH, Yonsei University, Seoul, 03722, South Korea
| | - Minkyung Kim
- Research Center for Silver Science, Institute of Symbiotic Life-TECH, Yonsei University, Seoul, 03722, South Korea
| | - Dong Yeob Shin
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Yonsei University College of Medicine, Seoul, 03722, South Korea
| | - Jong Ho Lee
- National Leading Research Laboratory of Clinical Nutrigenetics/Nutrigenomics, Department of Food and Nutrition, College of Human Ecology, Yonsei University, Seoul, 03722, South Korea. .,Department of Food and Nutrition, Brain Korea 21 PLUS Project, College of Human Ecology, Yonsei University, Seoul, 03722, South Korea. .,Research Center for Silver Science, Institute of Symbiotic Life-TECH, Yonsei University, Seoul, 03722, South Korea.
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45
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Hovland A, Nestvold T, Bohov P, Trøseid M, Aukrust P, Berge RK, Waage-Nielsen E, Retterstøl K, Lappegård KT. Bariatric surgery reduces fasting total fatty acids and increases n-3 polyunsaturated fatty acids in morbidly obese individuals. Scandinavian Journal of Clinical and Laboratory Investigation 2017; 77:628-633. [PMID: 29069988 DOI: 10.1080/00365513.2017.1393691] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/26/2022]
Abstract
BACKGROUND Obesity is a global pandemic leading to increased mortality and increased risk of cardiovascular disease. Bariatric surgery is an established treatment of obesity leading to weight loss and reduction of mortality. To further elucidate how bariatric surgery improves metabolic control, we explored the fatty acid (FA) profiles in morbidly obese subjects treated with lifestyle intervention and subsequent bariatric surgery. METHODS The intervention group consisted of 34 morbidly obese patients scheduled for bariatric surgery and the control group of 17 non-obese patients scheduled for elective laparoscopic procedures. The intervention group had to undergo lifestyle changes preoperatively. Fasting blood samples were drawn at admission, after lifestyle intervention and 1 year after bariatric surgery. RESULTS At admission, the morbidly obese patients had significantly higher levels of monounsaturated FAs (MUFAs) and lower levels of n-6 polyunsaturated FAs (PUFAs) and n-3 PUFAs than healthy controls (all p-values <.05). In the intervention group, there was a significantly lower level of total FAs after lifestyle intervention, and from admission to 1 year after surgical intervention (both, p < .05), primarily reflecting a lower proportion of saturated FAs (SFAs). Following bariatric surgery, but not after lifestyle changes, there was an increase in the proportion of n-3 PUFA (p < .05) reaching levels not significantly different from healthy controls. CONCLUSIONS Our findings suggest that a reduced proportion of the proposed anti-atherogenic n-3 PUFAs characterizes morbidly obese individuals, and that this FA profile is reversed by bariatric surgery, but not by lifestyle intervention.
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Affiliation(s)
- Anders Hovland
- a Coronary Care Unit, Division of Internal Medicine , Nordland Hospital , Bodø , Norway.,b Department of Clinical Medicine , University of Tromsø , Tromsø , Norway
| | | | - Pavol Bohov
- d Department of Clinical Science , University of Bergen , Bergen , Norway
| | - Marius Trøseid
- e Section of Clinical Immunology and Infectious Diseases , Oslo University Hospital , Oslo , Norway.,f Research Institute of Internal Medicine , Oslo , Norway.,g K.G. Jebsen Centre for Inflammation Research , Oslo , Norway.,h Institute of Clinical Medicine , University of Oslo , Oslo , Norway
| | - Pål Aukrust
- e Section of Clinical Immunology and Infectious Diseases , Oslo University Hospital , Oslo , Norway.,f Research Institute of Internal Medicine , Oslo , Norway.,g K.G. Jebsen Centre for Inflammation Research , Oslo , Norway.,h Institute of Clinical Medicine , University of Oslo , Oslo , Norway
| | - Rolf K Berge
- d Department of Clinical Science , University of Bergen , Bergen , Norway.,i Department of Heart Disease , Haukeland University Hospital , Bergen , Norway
| | - Erik Waage-Nielsen
- b Department of Clinical Medicine , University of Tromsø , Tromsø , Norway.,j Department of Anesthesiology , Nordland Hospital , Bodø , Norway.,k University of Nordland , Bodø , Norway
| | - Kjetil Retterstøl
- l Department of Nutrition , Institute for Basic Medical Sciences, University of Oslo , Oslo , Norway.,m The Lipid Clinic , Oslo University Hospital Rikshospitalet , Oslo , Norway
| | - Knut Tore Lappegård
- a Coronary Care Unit, Division of Internal Medicine , Nordland Hospital , Bodø , Norway.,b Department of Clinical Medicine , University of Tromsø , Tromsø , Norway
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46
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Walle P, Takkunen M, Männistö V, Vaittinen M, Käkelä P, Ågren J, Schwab U, Lindström J, Tuomilehto J, Uusitupa M, Pihlajamäki J. Alterations in fatty acid metabolism in response to obesity surgery combined with dietary counseling. Nutr Diabetes 2017; 7:e285. [PMID: 28869586 PMCID: PMC5637104 DOI: 10.1038/nutd.2017.33] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/07/2017] [Revised: 06/24/2017] [Accepted: 07/16/2017] [Indexed: 12/14/2022] Open
Abstract
Background: The effects of obesity surgery on serum and adipose tissue fatty acid (FA) profile and FA metabolism may modify the risk of obesity-related diseases. Methods: We measured serum (n=122) and adipose tissue (n=24) FA composition and adipose tissue mRNA expression of genes regulating FA metabolism (n=100) in participants of the Kuopio Obesity Surgery Study (KOBS, age 47.2±8.7 years, BMI 44.6±6.0, 40 men, 82 women) before and one year after obesity surgery. As part of the surgery protocol, all the subjects were instructed to add sources of unsaturated fatty acids, such as rapeseed oil and fatty fish, into their diet. The results were compared with changes in serum FA composition in 122 subjects from the Finnish Diabetes Prevention study (DPS) (age 54.3±7.1 years, BMI 32.2±4.6, 28 men, 94 women). Results: The proportion of saturated FAs decreased and the proportion of n-3 and n-6 FAs increased in serum triglycerides after obesity surgery (all P<0.002). Weight loss predicted changes in quantitative amounts of saturated FAs, monounsaturated FAs, n-3 and n-6 FAs in triglycerides (P<0.002 for all). Moreover, the changes in adipose tissue FAs reflected the changes in serum FAs, and some of the changes were associated with mRNA expression of elongases and desaturases in adipose tissue (all P<0.05). In line with this the estimated activity of elongase (18:1 n-7/16:1 n-7) increased significantly after obesity surgery in all lipid fractions (all P<4 × 10−7) and the increase in the estimated activity of D5D in triglycerides was associated with higher weight loss (r=0.415, P<2 × 10−6). Changes in serum FA profile were similar after obesity surgery and lifestyle intervention, except for the change in the absolute amounts of n-3 FAs between the two studies (P=0.044). Conclusions: Beneficial changes in serum and adipose tissue FAs after obesity surgery could be associated with changes in endogenous metabolism and diet.
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Affiliation(s)
- P Walle
- Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland
| | - M Takkunen
- Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland
| | - V Männistö
- Department of Medicine, University of Eastern Finland and Kuopio University Hospital, Kuopio, Finland
| | - M Vaittinen
- Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland
| | - P Käkelä
- Department of Surgery, University of Eastern Finland and Kuopio University Hospital, Kuopio, Finland
| | - J Ågren
- Institute of Biomedicine, University of Eastern Finland, Kuopio, Finland
| | - U Schwab
- Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland.,Clinical Nutrition and Obesity Center, Kuopio University Hospital, Kuopio, Finland
| | - J Lindström
- National Institute for Health and Welfare, THL, Helsinki, Finland
| | - J Tuomilehto
- National Institute for Health and Welfare, THL, Helsinki, Finland.,Center for Vascular Prevention, Danube University Krems, Krems, Austria.,Diabetes Research Group, King Abdulaziz University, Jeddah, Saudi Arabia.,Dasman Diabetes Institute, Dasman, Kuwait
| | - M Uusitupa
- Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland
| | - J Pihlajamäki
- Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland.,Clinical Nutrition and Obesity Center, Kuopio University Hospital, Kuopio, Finland
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Zeman M, Vecka M, Burda M, Tvrzická E, Staňková B, Macášek J, Žák A. Fatty Acid Composition of Plasma Phosphatidylcholine Determines Body Fat Parameters in Subjects with Metabolic Syndrome-Related Traits. Metab Syndr Relat Disord 2017; 15:371-378. [DOI: 10.1089/met.2017.0040] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/26/2023] Open
Affiliation(s)
- Miroslav Zeman
- 4th Department of Medicine, First Medical Faculty, Charles University, General University Hospital, Prague, Czech Republic
| | - Marek Vecka
- 4th Department of Medicine, First Medical Faculty, Charles University, General University Hospital, Prague, Czech Republic
| | - Michal Burda
- Institute for Research and Applications of Fuzzy Modelling, Centre of Excellence IT4Innovations, University of Ostrava, Ostrava, Czech Republic
| | - Eva Tvrzická
- 4th Department of Medicine, First Medical Faculty, Charles University, General University Hospital, Prague, Czech Republic
| | - Barbora Staňková
- 4th Department of Medicine, First Medical Faculty, Charles University, General University Hospital, Prague, Czech Republic
| | - Jaroslav Macášek
- 4th Department of Medicine, First Medical Faculty, Charles University, General University Hospital, Prague, Czech Republic
| | - Aleš Žák
- 4th Department of Medicine, First Medical Faculty, Charles University, General University Hospital, Prague, Czech Republic
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48
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Pickens CA, Vazquez AI, Jones AD, Fenton JI. Obesity, adipokines, and C-peptide are associated with distinct plasma phospholipid profiles in adult males, an untargeted lipidomic approach. Sci Rep 2017; 7:6335. [PMID: 28740130 PMCID: PMC5524758 DOI: 10.1038/s41598-017-05785-0] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2016] [Accepted: 06/05/2017] [Indexed: 12/12/2022] Open
Abstract
Obesity is associated with dysregulated lipid metabolism and adipokine secretion. Our group has previously reported obesity and adipokines are associated with % total fatty acid (FA) differences in plasma phospholipids. The objective of our current study was to identify in which complex lipid species (i.e., phosphatidylcholine, sphingolipids, etc) these FA differences occur. Plasma lipidomic profiling (n = 126, >95% Caucasian, 48–65 years) was performed using chromatographic separation and high resolution tandem mass spectrometry. The responses used in the statistical analyses were body mass index (BMI), waist circumference (WC), serum adipokines, cytokines, and a glycemic marker. High-dimensional statistical analyses were performed, all models were adjusted for age and smoking, and p-values were adjusted for false discovery. In Bayesian models, the lipidomic profiles (over 1,700 lipids) accounted for >60% of the inter-individual variation of BMI, WC, and leptin in our population. Across statistical analyses, we report 51 individual plasma lipids were significantly associated with obesity. Obesity was inversely associated lysophospholipids and ether linked phosphatidylcholines. In addition, we identify several unreported lipids associated with obesity that are not present in lipid databases. Taken together, these results provide new insights into the underlying biology associated with obesity and reveal new potential pathways for therapeutic targeting.
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Affiliation(s)
- C Austin Pickens
- Department of Food Science and Human Nutrition, Michigan State University, 469 Wilson Road, East Lansing, MI 48824, USA
| | - Ana I Vazquez
- Department of Epidemiology and Biostatistics, Michigan State University, 909 Fee Road, East Lansing, MI 48824, USA
| | - A Daniel Jones
- Department of Biochemistry and Molecular Biology, Michigan State University, 603 Wilson Road, East Lansing, MI 48824, USA.,Department of Chemistry, Michigan State University, 578 S Shaw Lane, East Lansing, MI 48824, USA
| | - Jenifer I Fenton
- Department of Food Science and Human Nutrition, Michigan State University, 469 Wilson Road, East Lansing, MI 48824, USA.
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49
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Davidson EA, Pickens CA, Fenton JI. Increasing dietary EPA and DHA influence estimated fatty acid desaturase activity in systemic organs which is reflected in the red blood cell in mice. Int J Food Sci Nutr 2017; 69:183-191. [PMID: 28697636 DOI: 10.1080/09637486.2017.1348494] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Delta-5 (D5D) and delta-6 (D6D) desaturase are key enzymes in fatty acid (FA) metabolism. Dietary eicosapentaenoic acid (EPA) and docosahexaenoic acid (DHA) may alter tissue FA composition via D5D and D6D. The purpose was to determine the relationship between dietary EPA + DHA, estimated desaturase activities of various tissues and the reflection of desaturase activity in the red blood cell (RBC). Mice were fed diets with increasing percent of energy from EPA + DHA. Phospholipid FA composition of heart, muscle, spleen, lung, adipose tissues and RBC were analysed. D5D and D6D enzyme activity estimates (EAE) were calculated as the ratio of 20:4/20:3 and 20:3/18:2, respectively. D5D EAE decreased in all tissues, except muscle, with increasing dietary EPA + DHA. RBC D5D EAE positively correlated with D5D EAE in all tissues. RBC D6D EAE positively correlated with muscle and inversely correlated with adipose D6D EAE. Our findings suggest differential influence of dietary EPA + DHA upon tissue desaturase activities.
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Affiliation(s)
- Emily A Davidson
- a Department of Food Science and Human Nutrition , Michigan State University , East Lansing , MI , USA
| | - C Austin Pickens
- a Department of Food Science and Human Nutrition , Michigan State University , East Lansing , MI , USA
| | - Jenifer I Fenton
- a Department of Food Science and Human Nutrition , Michigan State University , East Lansing , MI , USA
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50
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Omega-6 fatty acids: Opposing associations with risk—The Ludwigshafen Risk and Cardiovascular Health Study. J Clin Lipidol 2017. [DOI: 10.1016/j.jacl.2017.05.003] [Citation(s) in RCA: 22] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
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