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Pang SJ, Liu TT, Pan JC, Man QQ, Song S, Zhang J. The Association between the Plasma Phospholipid Profile and Insulin Resistance: A Population-Based Cross-Section Study from the China Adult Chronic Disease and Nutrition Surveillance. Nutrients 2024; 16:1205. [PMID: 38674894 PMCID: PMC11054597 DOI: 10.3390/nu16081205] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2024] [Accepted: 04/16/2024] [Indexed: 04/28/2024] Open
Abstract
The dysfunction of phospholipid metabolism enzymes and the change in membrane phospholipid composition are associated with insulin resistance, indicating that phospholipids play an important role in the regulation of insulin sensitivity. The reflection of phospholipid changes in blood might provide clues for both mechanism understanding and intervention. Using a targeted phospholipidomic approach, 199 phospholipid molecular species were identified and quantified in the plasma of 1053 middle-aged participants from a national investigation. The associations of the phospholipid matrix, clusters, and molecular species with insulin resistance were investigated. A significant association was confirmed between the phospholipid matrix and the homeostatic-model assessment of insulin resistance (HOMA-IR) by a distance-based linear model. Furthermore, three clustered phospholipid modules and 32 phospholipid molecular species were associated with HOMA-IR with the strict control of demographic and lifestyle parameters, family history of diabetes, BMI, WC, and blood lipid parameters. The overall decline in lysophosphatidylcholines (LPCs), the decrease in saturated lysophosphatidylethanolamines (LPEs), the decrease in polyunsaturated/plasmenyl phosphatidylcholines (PCs), and the increase in polyunsaturated phatidylethanolamines (PEs) were the prominent characters of plasma phospholipid perturbation associated with insulin resistance. This suggested that PC- and PE-related metabolic pathways were widely involved in the process of insulin resistance, especially the disorder of LPC acylation to diacyl-PC.
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Affiliation(s)
- Shao-Jie Pang
- National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, No. 29 of Nanwei Road, Beijing 100050, China; (S.-J.P.); (T.-T.L.); (Q.-Q.M.)
- Key Laboratory of Public Nutrition and Health, National Health Commission of the People’s Republic of China, Beijing 100050, China
- Heilongjiang Feihe Dairy Co., Ltd., C-16, 10A Jiuxianqiao Rd., Beijing 100015, China;
| | - Ting-Ting Liu
- National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, No. 29 of Nanwei Road, Beijing 100050, China; (S.-J.P.); (T.-T.L.); (Q.-Q.M.)
| | - Jian-Cun Pan
- Heilongjiang Feihe Dairy Co., Ltd., C-16, 10A Jiuxianqiao Rd., Beijing 100015, China;
| | - Qing-Qing Man
- National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, No. 29 of Nanwei Road, Beijing 100050, China; (S.-J.P.); (T.-T.L.); (Q.-Q.M.)
| | - Shuang Song
- National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, No. 29 of Nanwei Road, Beijing 100050, China; (S.-J.P.); (T.-T.L.); (Q.-Q.M.)
| | - Jian Zhang
- National Institute for Nutrition and Health, Chinese Center for Disease Control and Prevention, No. 29 of Nanwei Road, Beijing 100050, China; (S.-J.P.); (T.-T.L.); (Q.-Q.M.)
- Key Laboratory of Public Nutrition and Health, National Health Commission of the People’s Republic of China, Beijing 100050, China
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2
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Liu W, Liu S, Ren Q, Yang R, Su S, Jiang X. Association between polyunsaturated fatty acids and progression among patients with diabetic kidney disease. Prim Care Diabetes 2024; 18:177-182. [PMID: 38242728 DOI: 10.1016/j.pcd.2024.01.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/20/2023] [Revised: 01/03/2024] [Accepted: 01/04/2024] [Indexed: 01/21/2024]
Abstract
AIMS Diabetic kidney disease (DKD) is the major complication of diabetes mellitus (DM) and one of the leading causes of end-stage renal disease. Early detection and treatment are contributing to delay the progression of DKD. Dietary management has potential benefits for DKD, especially the intake of polyunsaturated fatty acids (PUFAs). However, there is a lack of sufficient evidence, so we aimed to explore the association between PUFAs intake and DKD progression. METHODS In the National Heath and Nutrition Examination Survey (NHANES) between 2011-2018, a cross-sectional study was conducted among adults with T2DM. DKD was diagnosed with urine albumin to creatinine ratio (ACR) ≥ 30 mg/g or estimated glomerular filtration rate (eGFR) <60 ml/min/1.73 m2. Using Survey package of R to arrange the collected PUFAs intake data in order from small to large and divide them into four equal parts, which were expressed as Q1, Q2, Q3 and Q4 respectively. To investigate the association between PUFAs intake and DKD, a weighted univariate logistic regression analysis was performed and the odds ratio (OR) and 95% confidence interval (CI) were calculated for the association with DKD and PUFAs quartiles. RESULTS The study involved 3287 participants with T2DM, including 2043 non-DKD and 1244 DKD patients. The results showed that the intake of PUFAs was a protective factor for DKD (p = 0.022), and with the increase of the PUFAs, renal function improved in DKD patients, the adjusted mean of eGFR and Scr changing from 57 (41, 86) in Q1 to 71 (55, 101) ml/min in Q4 (p 0.001), 103 (73, 131) in Q1 to 90 (68, 117) in Q4 (p = 0.031), respectively. CONCLUSION Our study indicated that intake of more PUFAs may contribute to delay DKD progression, while different n-6/n-3 ratios need to be explored to protect the kidney.
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Affiliation(s)
- Wu Liu
- Wangjing Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Shiyi Liu
- Xiyuan Hospital, China Academy of Chinese Medical Sciences, Beijing, China
| | - Qiuyue Ren
- The First Affiliated Hospital of Henan University of Chinese Medicine, Zhengzhou, China
| | - Ronglu Yang
- Department of Traditional Chinese Medicine, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, China
| | - Shanshan Su
- Department of Nephrology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, China.
| | - Xiaoyu Jiang
- Department of Nephrology, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, China.
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3
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Liang H, Mu HB, Zhang FH, Li WQ, Li GC, Li WD, Liang M, He ZL. Causal relationship between linoleic acid and type 2 diabetes and glycemic traits: a bidirectional Mendelian randomization study. Front Endocrinol (Lausanne) 2023; 14:1277153. [PMID: 38075067 PMCID: PMC10703485 DOI: 10.3389/fendo.2023.1277153] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Accepted: 10/30/2023] [Indexed: 12/18/2023] Open
Abstract
Objective To investigate the causal relationships between linoleic acid and type 2 diabetes, and between linoleic acid and glycemic traits in European populations. Methods This study employed a two-sample Mendelian randomization approach to infer causality between linoleic acid and type 2 diabetes, as well as between linoleic acid and glycemic traits, leveraging genetic variations. Data were sourced from genome-wide association study summary datasets. Random-effects inverse-variance weighted, weighted median, and MR-Egger methods were used for the two-sample Mendelian randomization analyses. Results were presented as odds ratios with a 95% confidence interval. Multiple sensitivity analyses were conducted to assess result robustness. Results MR findings indicated a correlation between linoleic acid levels and the risk of type 2 diabetes, fasting blood glucose, and glycated hemoglobin (HbA1c), but not with fasting insulin. Specifically: type 2 diabetes (OR: 0.811, 95% CI: 0.688-0.956, P=0.013<0.05),fasting blood glucose (β_IVW): -0.056, 95% CI: (-0.091,-0.021), P=0.002< 0.0125), glycated hemoglobin (β_IVW: -0.032, 95% CI: (-0.048,-0.015), P=0.0002< 0.0125) and Fasting insulin (β_IVW: -0.024, 95% CI: (-0.056,-0.008), P=0.136 >0.05).Reverse MR analyses showed a correlation between type 2 diabetes and reduced levels of linoleic acid (β_IVW: -0.033, 95% CI: (-0.059,-0.006), P=0.014<0.05). Multiple sensitivity analyses also detected study heterogeneity but found no evidence of horizontal pleiotropy. Conclusion High levels linoleic acid can reduce the risk of type 2 diabetes, fasting blood glucose, and glycated hemoglobin, but has no significant relation with fasting insulin. Type 2 diabetes can lower linoleic acid levels; however, no significant causal relationship was observed between the three glycemic traits and reduced levels of linoleic acid.
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Affiliation(s)
- Hao Liang
- Shandong University of Traditional Chinese Medicine, College of Traditional Chinese Medicine, Jinan, China
| | - Hai-Bo Mu
- Shandong University of Traditional Chinese Medicine, College of Traditional Chinese Medicine, Jinan, China
| | - Fei-Hu Zhang
- Centre for Emergency and Critical Care Medicine, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Wen-Qiang Li
- Centre for Emergency and Critical Care Medicine, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Guo-Chen Li
- Centre for Emergency and Critical Care Medicine, Affiliated Hospital of Shandong University of Traditional Chinese Medicine, Jinan, China
| | - Wen-Dong Li
- Department of Cardiovascular Disease, Tai’an Hospital of Traditional Chinese Medicine, Tai’an, China
| | - Min Liang
- Department of Nephrology, Tai’an First People's Hospital, Tai’an, China
| | - Zeng-Lin He
- School of Acupuncture and Massage, Shandong University of Traditional Chinese Medicine, Jinan, China
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Khan NG, Tungekar B, Adiga D, Chakrabarty S, Rai PS, Kabekkodu SP. Alterations induced by Bisphenol A on cellular organelles and potential relevance on human health. BIOCHIMICA ET BIOPHYSICA ACTA. MOLECULAR CELL RESEARCH 2023; 1870:119505. [PMID: 37286138 DOI: 10.1016/j.bbamcr.2023.119505] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/09/2023] [Revised: 04/29/2023] [Accepted: 05/26/2023] [Indexed: 06/09/2023]
Abstract
Bisphenol A (BPA) is a chemical partially soluble in water and exists in a solid state. Its structural similarity with estrogen makes it an endocrine-disrupting chemical. BPA can disrupt signaling pathways at very low doses and may cause organellar stress. According to in vitro and in vivo studies, BPA interacts with various cell surface receptors to cause organellar stress, producing free radicals, cellular toxicity, structural changes, DNA damage, mitochondrial dysfunction, cytoskeleton remodeling, centriole duplication, and aberrant changes in several cell signaling pathways. The current review summarizes the impact of BPA exposure on the structural and functional aspects of subcellular components of cells such as the nucleus, mitochondria, endoplasmic reticulum, lysosome, ribosome, Golgi apparatus, and microtubules and its consequent impact on human health.
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Affiliation(s)
- Nadeem G Khan
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India
| | - Bushra Tungekar
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India
| | - Divya Adiga
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India
| | - Sanjiban Chakrabarty
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India; Center for DNA Repair and Genome Stability (CDRGS), Manipal Academy of Higher Education, Manipal, Karnataka 576104, India
| | - Padmalatha S Rai
- Department of Biotechnology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India
| | - Shama Prasada Kabekkodu
- Department of Cell and Molecular Biology, Manipal School of Life Sciences, Manipal Academy of Higher Education, Manipal, Karnataka 576104, India; Center for DNA Repair and Genome Stability (CDRGS), Manipal Academy of Higher Education, Manipal, Karnataka 576104, India.
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5
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Wu G, Baumeister R, Heimbucher T. Molecular Mechanisms of Lipid-Based Metabolic Adaptation Strategies in Response to Cold. Cells 2023; 12:1353. [PMID: 37408188 PMCID: PMC10216534 DOI: 10.3390/cells12101353] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Revised: 04/24/2023] [Accepted: 05/05/2023] [Indexed: 07/07/2023] Open
Abstract
Temperature changes and periods of detrimental cold occur frequently for many organisms in their natural habitats. Homeothermic animals have evolved metabolic adaptation strategies to increase mitochondrial-based energy expenditure and heat production, largely relying on fat as a fuel source. Alternatively, certain species are able to repress their metabolism during cold periods and enter a state of decreased physiological activity known as torpor. By contrast, poikilotherms, which are unable to maintain their internal temperature, predominantly increase membrane fluidity to diminish cold-related damage from low-temperature stress. However, alterations of molecular pathways and the regulation of lipid-metabolic reprogramming during cold exposure are poorly understood. Here, we review organismal responses that adjust fat metabolism during detrimental cold stress. Cold-related changes in membranes are detected by membrane-bound sensors, which signal to downstream transcriptional effectors, including nuclear hormone receptors of the PPAR (peroxisome proliferator-activated receptor) subfamily. PPARs control lipid metabolic processes, such as fatty acid desaturation, lipid catabolism and mitochondrial-based thermogenesis. Elucidating the underlying molecular mechanisms of cold adaptation may improve beneficial therapeutic cold treatments and could have important implications for medical applications of hypothermia in humans. This includes treatment strategies for hemorrhagic shock, stroke, obesity and cancer.
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Affiliation(s)
- Gang Wu
- Bioinformatics and Molecular Genetics, Faculty of Biology, University of Freiburg, 79104 Freiburg, Germany
| | - Ralf Baumeister
- Bioinformatics and Molecular Genetics, Faculty of Biology, University of Freiburg, 79104 Freiburg, Germany
- Center for Biochemistry and Molecular Cell Research, Faculty of Medicine, University of Freiburg, 79104 Freiburg, Germany
- Signalling Research Centres BIOSS and CIBSS, University of Freiburg, 79104 Freiburg, Germany
| | - Thomas Heimbucher
- Bioinformatics and Molecular Genetics, Faculty of Biology, University of Freiburg, 79104 Freiburg, Germany
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6
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A new AMPK isoform mediates glucose-restriction induced longevity non-cell autonomously by promoting membrane fluidity. Nat Commun 2023; 14:288. [PMID: 36653384 PMCID: PMC9849402 DOI: 10.1038/s41467-023-35952-z] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Accepted: 01/10/2023] [Indexed: 01/19/2023] Open
Abstract
Dietary restriction (DR) delays aging and the onset of age-associated diseases. However, it is yet to be determined whether and how restriction of specific nutrients promote longevity. Previous genome-wide screens isolated several Escherichia coli mutants that extended lifespan of Caenorhabditis elegans. Here, using 1H-NMR metabolite analyses and inter-species genetics, we demonstrate that E. coli mutants depleted of intracellular glucose extend C. elegans lifespans, serving as bona fide glucose-restricted (GR) diets. Unlike general DR, GR diets don't reduce the fecundity of animals, while still improving stress resistance and ameliorating neuro-degenerative pathologies of Aβ42. Interestingly, AAK-2a, a new AMPK isoform, is necessary and sufficient for GR-induced longevity. AAK-2a functions exclusively in neurons to modulate GR-mediated longevity via neuropeptide signaling. Last, we find that GR/AAK-2a prolongs longevity through PAQR-2/NHR-49/Δ9 desaturases by promoting membrane fluidity in peripheral tissues. Together, our studies identify the molecular mechanisms underlying prolonged longevity by glucose specific restriction in the context of whole animals.
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7
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Fan Y, Chen Q, Wang Y, Wang J, Li Y, Wang S, Weng Y, Yang Q, Chen C, Lin L, Qiu Y, Chen F, Wang J, He B, Liu F. Mediation analysis of erythrocyte lipophilic index on the association between BMI and risk of oral cancer. Lipids Health Dis 2022; 21:96. [PMID: 36209108 PMCID: PMC9547469 DOI: 10.1186/s12944-022-01704-z] [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: 06/19/2022] [Accepted: 09/22/2022] [Indexed: 11/27/2022] Open
Abstract
Aims To explore the relationship between the fatty acid lipophilic index (LI) of the erythrocyte membrane and oral cancer risk, as well as to evaluate the possibility of LI acting as a mediator of the association between body mass index (BMI) and oral cancer. Method Twenty-three fatty acids (FAs) of the erythrocyte membrane were measured using gas chromatography in 380 patients with oral cancer and 387 control subjects. The LI was calculated based on the FA proportion and FA melting points. The association of BMI and erythrocyte LI with oral cancer risk was analysed using logistic regression. The mediation effect of LI on the association between BMI and oral cancer risk was evaluated using mediation analysis. Results Among the control group, 46.0% were overweight or obese, which was significantly higher than that of oral cancer patients (29.5%). Significant differences in erythrocyte membrane saturated fatty acids (SFAs), monounsaturated fatty acids (MUFAs), and polyunsaturated fatty acids (PUFAs) were observed between the patient and control groups. The proportion of C18:1 n-9 from the MUFA family increased in oral cancer patients (12.67%) compared with controls (12.21%). While the total proportion of n-3 PUFAs decreased in oral cancer patients compared with controls, with C20:5 n-3 decreasing from 0.66 to 0.47%, and C22:6 n-3 decreasing from 5.82 to 4.86%. The LI was lower in the control participants (M = 27.6, IQR: 27.3–27.9) than in the oral cancer patients (M = 28.2, IQR: 27.9–28.5). BMI was inversely associated with oral cancer risk with a fully adjusted OR of 0.59 (95% CI: 0.43–0.83), while LI was positively associated with oral cancer risk with a fully adjusted OR of 1.99 (95% CI:1.36–2.94). LI explained 7% of the variance in the relationship between BMI and oral cancer risk. Conclusions The distribution of the FA profile in erythrocyte membranes differed between the oral cancer patients and the control group. The LI derived from the profile of FAs was positively associated with the risk of oral cancer, and the associations between BMI and oral cancer risk can be explained, at least in part, by LI. Supplementary Information The online version contains supplementary material available at 10.1186/s12944-022-01704-z.
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Affiliation(s)
- Yi Fan
- Department of Epidemiology and Health Statistics, Fujian Provincial Key Laboratory of Environment Factors and Cancer, School of Public Health, Fujian Medical University, 1 Xueyuan Road, Fuzhou, 350122, China.,Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fujian, China
| | - Qing Chen
- School of Public Health, Zunyi Medical University, Zunyi, Guizhou, China
| | - Yaping Wang
- Department of Epidemiology and Health Statistics, Fujian Provincial Key Laboratory of Environment Factors and Cancer, School of Public Health, Fujian Medical University, 1 Xueyuan Road, Fuzhou, 350122, China.,Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fujian, China
| | - Jing Wang
- Department of Epidemiology and Health Statistics, Fujian Provincial Key Laboratory of Environment Factors and Cancer, School of Public Health, Fujian Medical University, 1 Xueyuan Road, Fuzhou, 350122, China.,Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fujian, China
| | - Yanni Li
- Department of Epidemiology and Health Statistics, Fujian Provincial Key Laboratory of Environment Factors and Cancer, School of Public Health, Fujian Medical University, 1 Xueyuan Road, Fuzhou, 350122, China.,Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fujian, China
| | - Sijie Wang
- Department of Epidemiology and Health Statistics, Fujian Provincial Key Laboratory of Environment Factors and Cancer, School of Public Health, Fujian Medical University, 1 Xueyuan Road, Fuzhou, 350122, China.,Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fujian, China
| | - Yanfeng Weng
- Department of Epidemiology and Health Statistics, Fujian Provincial Key Laboratory of Environment Factors and Cancer, School of Public Health, Fujian Medical University, 1 Xueyuan Road, Fuzhou, 350122, China.,Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fujian, China
| | - Qiujiao Yang
- Department of Epidemiology and Health Statistics, Fujian Provincial Key Laboratory of Environment Factors and Cancer, School of Public Health, Fujian Medical University, 1 Xueyuan Road, Fuzhou, 350122, China.,Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fujian, China
| | - Chen Chen
- Department of Epidemiology and Health Statistics, Fujian Provincial Key Laboratory of Environment Factors and Cancer, School of Public Health, Fujian Medical University, 1 Xueyuan Road, Fuzhou, 350122, China.,Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fujian, China
| | - Lisong Lin
- Department of Oral and Maxillofacial Surgery, the First Affiliated Hospital of Fujian Medical University, Fujian, China
| | - Yu Qiu
- Department of Oral and Maxillofacial Surgery, the First Affiliated Hospital of Fujian Medical University, Fujian, China
| | - Fa Chen
- Department of Epidemiology and Health Statistics, Fujian Provincial Key Laboratory of Environment Factors and Cancer, School of Public Health, Fujian Medical University, 1 Xueyuan Road, Fuzhou, 350122, China.,Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fujian, China
| | - Jing Wang
- Laboratory Center, The Major Subject of Environment and Health of Fujian Key Universities, School of Public Health, Fujian Medical University, Fujian, China
| | - Baochang He
- Department of Epidemiology and Health Statistics, Fujian Provincial Key Laboratory of Environment Factors and Cancer, School of Public Health, Fujian Medical University, 1 Xueyuan Road, Fuzhou, 350122, China. .,Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fujian, China.
| | - Fengqiong Liu
- Department of Epidemiology and Health Statistics, Fujian Provincial Key Laboratory of Environment Factors and Cancer, School of Public Health, Fujian Medical University, 1 Xueyuan Road, Fuzhou, 350122, China. .,Key Laboratory of Ministry of Education for Gastrointestinal Cancer, Fujian Key Laboratory of Tumor Microbiology, Fujian Medical University, Fujian, China.
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8
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Eichelmann F, Sellem L, Wittenbecher C, Jäger S, Kuxhaus O, Prada M, Cuadrat R, Jackson KG, Lovegrove JA, Schulze MB. Deep Lipidomics in Human Plasma: Cardiometabolic Disease Risk and Effect of Dietary Fat Modulation. Circulation 2022; 146:21-35. [PMID: 35422138 PMCID: PMC9241667 DOI: 10.1161/circulationaha.121.056805] [Citation(s) in RCA: 28] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Abstract
BACKGROUND In blood and tissues, dietary and endogenously generated fatty acids (FAs) occur in free form or as part of complex lipid molecules that collectively represent the lipidome of the respective tissue. We assessed associations of plasma lipids derived from high-resolution lipidomics with incident cardiometabolic diseases and subsequently tested if the identified risk-associated lipids were sensitive to dietary fat modification. METHODS The EPIC Potsdam cohort study (European Prospective Investigation into Cancer and Nutrition) comprises 27 548 participants recruited within an age range of 35 to 65 years from the general population around Potsdam, Germany. We generated 2 disease-specific case cohorts on the basis of a fixed random subsample (n=1262) and all respective cohort-wide identified incident primary cardiovascular disease (composite of fatal and nonfatal myocardial infarction and stroke; n=551) and type 2 diabetes (n=775) cases. We estimated the associations of baseline plasma concentrations of 282 class-specific FA abundances (calculated from 940 distinct molecular species across 15 lipid classes) with the outcomes in multivariable-adjusted Cox models. We tested the effect of an isoenergetic dietary fat modification on risk-associated lipids in the DIVAS randomized controlled trial (Dietary Intervention and Vascular Function; n=113). Participants consumed either a diet rich in saturated FAs (control), monounsaturated FAs, or a mixture of monounsaturated and n-6 polyunsaturated FAs for 16 weeks. RESULTS Sixty-nine lipids associated (false discovery rate<0.05) with at least 1 outcome (both, 8; only cardiovascular disease, 49; only type 2 diabetes, 12). In brief, several monoacylglycerols and FA16:0 and FA18:0 in diacylglycerols were associated with both outcomes; cholesteryl esters, free fatty acids, and sphingolipids were largely cardiovascular disease specific; and several (glycero)phospholipids were type 2 diabetes specific. In addition, 19 risk-associated lipids were affected (false discovery rate<0.05) by the diets rich in unsaturated dietary FAs compared with the saturated fat diet (17 in a direction consistent with a potential beneficial effect on long-term cardiometabolic risk). For example, the monounsaturated FA-rich diet decreased diacylglycerol(FA16:0) by 0.4 (95% CI, 0.5-0.3) SD units and increased triacylglycerol(FA22:1) by 0.5 (95% CI, 0.4-0.7) SD units. CONCLUSIONS We identified several lipids associated with cardiometabolic disease risk. A subset was beneficially altered by a dietary fat intervention that supports the substitution of dietary saturated FAs with unsaturated FAs as a potential tool for primary disease prevention.
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Affiliation(s)
- Fabian Eichelmann
- Department of Molecular Epidemiology, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal (F.E., C.W., S.J., O.K., M.P., R.C., M.B.S.).,German Center for Diabetes Research (DZD), Neuherberg (F.E., S.J., O.K., M.P., R.C., M.B.S.)
| | - Laury Sellem
- Hugh Sinclair Unit of Human Nutrition, and Institute for Cardiovascular and Metabolic Research, Department of Food and Nutritional Science, University of Reading, United Kingdom (L.S., K.G.J., J.A.L.)
| | - Clemens Wittenbecher
- Department of Molecular Epidemiology, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal (F.E., C.W., S.J., O.K., M.P., R.C., M.B.S.).,Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA (C.W.)
| | - Susanne Jäger
- Department of Molecular Epidemiology, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal (F.E., C.W., S.J., O.K., M.P., R.C., M.B.S.).,German Center for Diabetes Research (DZD), Neuherberg (F.E., S.J., O.K., M.P., R.C., M.B.S.)
| | - Olga Kuxhaus
- Department of Molecular Epidemiology, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal (F.E., C.W., S.J., O.K., M.P., R.C., M.B.S.).,German Center for Diabetes Research (DZD), Neuherberg (F.E., S.J., O.K., M.P., R.C., M.B.S.)
| | - Marcela Prada
- Department of Molecular Epidemiology, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal (F.E., C.W., S.J., O.K., M.P., R.C., M.B.S.).,German Center for Diabetes Research (DZD), Neuherberg (F.E., S.J., O.K., M.P., R.C., M.B.S.)
| | - Rafael Cuadrat
- Department of Molecular Epidemiology, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal (F.E., C.W., S.J., O.K., M.P., R.C., M.B.S.).,German Center for Diabetes Research (DZD), Neuherberg (F.E., S.J., O.K., M.P., R.C., M.B.S.)
| | - Kim G. Jackson
- Hugh Sinclair Unit of Human Nutrition, and Institute for Cardiovascular and Metabolic Research, Department of Food and Nutritional Science, University of Reading, United Kingdom (L.S., K.G.J., J.A.L.)
| | - Julie A. Lovegrove
- Hugh Sinclair Unit of Human Nutrition, and Institute for Cardiovascular and Metabolic Research, Department of Food and Nutritional Science, University of Reading, United Kingdom (L.S., K.G.J., J.A.L.)
| | - Matthias B. Schulze
- Department of Molecular Epidemiology, German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal (F.E., C.W., S.J., O.K., M.P., R.C., M.B.S.).,German Center for Diabetes Research (DZD), Neuherberg (F.E., S.J., O.K., M.P., R.C., M.B.S.).,Institute of Nutritional Science, University of Potsdam, Germany (M.B.S.)
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9
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Seah JYH, Hong Y, Cichońska A, Sabanayagam C, Nusinovici S, Wong TY, Cheng CY, Jousilahti P, Lundqvist A, Perola M, Salomaa V, Tai ES, Würtz P, van Dam RM, Sim X. Circulating Metabolic Biomarkers Are Consistently Associated With Type 2 Diabetes Risk in Asian and European Populations. J Clin Endocrinol Metab 2022; 107:e2751-e2761. [PMID: 35390150 DOI: 10.1210/clinem/dgac212] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/10/2021] [Indexed: 11/19/2022]
Abstract
CONTEXT While Asians have a higher risk of type 2 diabetes (T2D) than Europeans for a given body mass index (BMI), it remains unclear whether the same markers of metabolic pathways are associated with diabetes. OBJECTIVE We evaluated associations between metabolic biomarkers and incidence of T2D in 3 major Asian ethnic groups (Chinese, Malay, and Indian) and a European population. METHODS We analyzed data from adult males and females of 2 cohorts from Singapore (n = 6393) consisting of Chinese, Malays, and Indians and 3 cohorts of European-origin participants from Finland (n = 14 558). We used nuclear magnetic resonance to quantify 154 circulating metabolic biomarkers at baseline and performed logistic regression to assess associations with T2D risk adjusted for age, sex, BMI and glycemic markers. RESULTS Of the 154 metabolic biomarkers, 59 were associated with higher risk of T2D in both Asians and Europeans (P < 0.0003, Bonferroni-corrected). These included branched chain and aromatic amino acids, the inflammatory marker glycoprotein acetyls, total fatty acids, monounsaturated fatty acids, apolipoprotein B, larger very low-density lipoprotein particle sizes, and triglycerides. In addition, 13 metabolites were associated with a lower T2D risk in both populations, including omega-6 polyunsaturated fatty acids and larger high-density lipoprotein particle sizes. Associations were consistent within the Asian ethnic groups (all Phet ≥ 0.05) and largely consistent for the Asian and European populations (Phet ≥ 0.05 for 128 of 154 metabolic biomarkers). CONCLUSION Metabolic biomarkers across several biological pathways were consistently associated with T2D risk in Asians and Europeans.
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Affiliation(s)
- Jowy Yi Hoong Seah
- Saw Swee Hock School of Public Health, National University of Singapore and National University Health System, Singapore, Singapore
| | - Yueheng Hong
- Saw Swee Hock School of Public Health, National University of Singapore and National University Health System, Singapore, Singapore
| | | | - Charumathi Sabanayagam
- Singapore Eye Research Institute, Singapore National Eye Centre, Singapore, Singapore
- Duke-NUS Medical School, Singapore, Singapore
| | - Simon Nusinovici
- Singapore Eye Research Institute, Singapore National Eye Centre, Singapore, Singapore
| | - Tien Yin Wong
- Singapore Eye Research Institute, Singapore National Eye Centre, Singapore, Singapore
- Duke-NUS Medical School, Singapore, Singapore
- Yong Loo Lin School of Medicine, National University of Singapore and National University Health System, Singapore, Singapore
| | - Ching-Yu Cheng
- Singapore Eye Research Institute, Singapore National Eye Centre, Singapore, Singapore
- Duke-NUS Medical School, Singapore, Singapore
- Yong Loo Lin School of Medicine, National University of Singapore and National University Health System, Singapore, Singapore
| | - Pekka Jousilahti
- Department of Public Health Solutions, Finnish Institute for Health and Welfare, Helsinki, Finland
| | - Annamari Lundqvist
- Department of Public Health Solutions, Finnish Institute for Health and Welfare, Helsinki, Finland
| | - Markus Perola
- Department of Public Health Solutions, Finnish Institute for Health and Welfare, Helsinki, Finland
- Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Veikko Salomaa
- Department of Public Health Solutions, Finnish Institute for Health and Welfare, Helsinki, Finland
| | - E Shyong Tai
- Saw Swee Hock School of Public Health, National University of Singapore and National University Health System, Singapore, Singapore
- Duke-NUS Medical School, Singapore, Singapore
- Yong Loo Lin School of Medicine, National University of Singapore and National University Health System, Singapore, Singapore
| | | | - Rob M van Dam
- Saw Swee Hock School of Public Health, National University of Singapore and National University Health System, Singapore, Singapore
- Departments of Exercise and Nutrition Sciences and Epidemiology, Milken Institute School of Public Health, The George Washington University, Washington, DC, USA
| | - Xueling Sim
- Saw Swee Hock School of Public Health, National University of Singapore and National University Health System, Singapore, Singapore
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10
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Atefi M, Entezari MH, Vahedi H, Hassanzadeh A. The effects of sesame oil on metabolic biomarkers: a systematic review and meta-analysis of clinical trials. J Diabetes Metab Disord 2022; 21:1065-1080. [PMID: 35673414 PMCID: PMC9167273 DOI: 10.1007/s40200-022-00997-2] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/17/2021] [Accepted: 01/30/2022] [Indexed: 11/26/2022]
Abstract
Background Clinical evidences showing the effects of sesame oil on metabolic biomarkers led to inconsistent results. Propose This meta-analysis was designed to examine the effects of sesame oil on metabolic biomarkers in adults, including the maximum number of clinical trials. Methods Google Scholar, PubMed, Web of Science, and Scopus were systematically searched to date up to July 2021 to identify eligible clinical trial studies. We obtained the pooled estimates of weighted mean differences (WMDs) with their 95% confidence intervals (CIs) using random-effects meta-analysis. Result Meta-analysis showed that sesame oil consumption significantly lowered the levels of fasting blood glucose (FBG) (WMD: -3.268 mg/dl; 95% CI: -4.677, -1.86; P < 0.001), and malondialdehyde (MDA) (WMD: -4.847 nmol/dL; 95% CI: -7.051, -2.698; P < 0.001) between the intervention and control groups. Also, this study showed sesame oil consumption significantly decreased HbA1C (WMD: -2.057%; 95% CI: -3.467, -0.646; P = 0.004), systolic blood pressure (SBP) (WMD: -2.679 mmHg; 95% CI: -5.257, -0.101; P < 0.001), diastolic blood pressure (DBP) (WMD: -1.981 mmHg; 95% CI: -3.916, -0.046; P = 0.045), body weight (WMD: -0.346 kg; 95% CI: -0.641, -0.051; P = 0.021), and body mass index (BMI) (WMD: -0.385 kg/m2; 95% CI:-0.721, -0.049; P = 0.025) after intervention. No significant effect was seen in serum insulin levels (p > .05). Conclusions The current study provided some evidence regarding the beneficial effects of sesame oil on metabolic biomarkers. Further studies are still required to confirm our results. Supplementary Information The online version contains supplementary material available at 10.1007/s40200-022-00997-2.
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Affiliation(s)
- Masoumeh Atefi
- Department of Clinical Nutrition, School of Nutrition & Food Science, Isfahan University of Medical Sciences, Isfahan, I.R. Iran
| | - Mohammad Hassan Entezari
- Food Security Research Center and Department of Clinical Nutrition, School of Nutrition & Food Science, Isfahan University of Medical Sciences, PO Box 81745, Isfahan, I.R Iran
| | - Hamid Vahedi
- Department of Gastroenterology, School of Medicine, Shahroud University of Medical Sciences, Shahroud, I.R Iran
| | - Akbar Hassanzadeh
- Department of Epidemiology and Biostatistics, School of Health, Isfahan University of Medical Sciences, Isfahan, I.R Iran
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11
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Moghtaderi F, Amiri M, Raeisi‐Dehkordi H, Zimorovat A, Mohyadini M, Salehi‐Abargouei A. The effect of sesame, canola, and sesame‐canola oils on cardiometabolic risk factors in overweight adults: a three‐way randomized triple‐blind crossover clinical trial. Phytother Res 2022; 36:1043-1057. [DOI: 10.1002/ptr.7381] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/10/2020] [Revised: 11/30/2021] [Accepted: 12/28/2021] [Indexed: 12/22/2022]
Affiliation(s)
- Fatemeh Moghtaderi
- Nutrition and Food Security Research Center Shahid Sadoughi University of Medical Sciences Yazd Iran
- Department of Nutrition School of Public Health, Shahid Sadoughi University of Medical Sciences Yazd Iran
| | - Mojgan Amiri
- Nutrition and Food Security Research Center Shahid Sadoughi University of Medical Sciences Yazd Iran
- Department of Nutrition School of Public Health, Shahid Sadoughi University of Medical Sciences Yazd Iran
| | - Hamidreza Raeisi‐Dehkordi
- Nutrition and Food Security Research Center Shahid Sadoughi University of Medical Sciences Yazd Iran
- Department of Nutrition School of Public Health, Shahid Sadoughi University of Medical Sciences Yazd Iran
| | - Alireza Zimorovat
- Nutrition and Food Security Research Center Shahid Sadoughi University of Medical Sciences Yazd Iran
- Department of Nutrition School of Public Health, Shahid Sadoughi University of Medical Sciences Yazd Iran
| | - Matin Mohyadini
- Student Research Committee Shahid Sadoughi University of Medical Sciences Yazd Iran
- Department of Medical Laboratory Sciences School of Para medicine, Shahid Sadoughi University of Medical Sciences Yazd Iran
| | - Amin Salehi‐Abargouei
- Nutrition and Food Security Research Center Shahid Sadoughi University of Medical Sciences Yazd Iran
- Department of Nutrition School of Public Health, Shahid Sadoughi University of Medical Sciences Yazd Iran
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12
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Sohouli MH, Haghshenas N, Hernández-Ruiz Á, Shidfar F. Consumption of sesame seeds and sesame products has favorable effects on blood glucose levels but not on insulin resistance: A systematic review and meta-analysis of controlled clinical trials. Phytother Res 2022; 36:1126-1134. [PMID: 35043479 DOI: 10.1002/ptr.7379] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 12/25/2021] [Accepted: 12/28/2021] [Indexed: 12/28/2022]
Abstract
Sesame, with an oily seed containing oil, lignans, and proteins, is a popular plant that has demonstrated health benefits such as antioxidative, antiobesity, and antiinflammatory effects. In this systematic review and meta-analysis, we aimed to summarize the effect of sesame seeds and their consumption compared to a control group on blood glucose and insulin resistance in human adults. PubMed/MEDLINE, SCOPUS, Web of Science, Google Scholar, and EMBASE were searched to identify eligible controlled clinical trials up to February 2021. Finally, eight clinical trials were included in this study. Sesame products used in these trials were sesame oil, sesamin, and tahini, and the duration of the intervention varied from 45 days to 9 weeks. Our results showed the significant positive effects of sesame and its products on fasting blood glucose FBG (weighted mean difference, WMD: -21.31 mg/dl, 95% CI: -41.23, -1.39, p = .036) and HbA1c (WMD: -0.75, 95% CI: -1.16, -0.34, p < .001) levels but results about fasting serum insulin (WMD: 5.51 μU/ml, 95% CI: -2.31, 13.33, p = .167) and HOMA-IR (WMD: -0.07, 95% CI: -0.33, 0.20, p = .617) were not meaningful. Sesame may be considered a beneficial agent for human glucose metabolism and can be a part of glucose-lowering diets.
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Affiliation(s)
- Mohammad Hassan Sohouli
- Student Research Committee, Department of Clinical Nutrition and Dietetics, Faculty of Nutrition and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Niloufar Haghshenas
- Department of Nutrition, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | | | - Farzad Shidfar
- Department of Nutrition, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
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13
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Thakkar H, Vincent V, Roy A, Gautam AK, Kutum R, Ramakrishnan L, Singh S, Singh A. Determinants of high-density lipoprotein (HDL) functions beyond proteome in Asian Indians: exploring the fatty acid profile of HDL phospholipids. Mol Cell Biochem 2021; 477:559-570. [PMID: 34843015 DOI: 10.1007/s11010-021-04304-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2021] [Accepted: 11/17/2021] [Indexed: 02/02/2023]
Abstract
Impaired high-density lipoprotein (HDL) functions are associated with development of coronary artery disease. In this study, we explored the quantitative differences in HDL (i.e. HDL proteome and fatty acid profile of HDL phospholipids) underlying the functional deficits associated with acute coronary syndrome (ACS). The relationship between HDL function and composition was assessed in 65 consecutive ACS patients and 40 healthy controls. Cholesterol efflux capacity (CEC) of HDL and lecithin cholesterol acyl transferase (LCAT) activity were significantly lower in patients with ACS compared to controls. In HDL proteome analysis, HDL isolated from ACS individuals was enriched in apolipoprotein C2 (inhibitor of LCAT), apolipoprotein C4 and serum amyloid A proteins and was deficient in apolipoprotein A-I and A-II. The fatty acid profile of HDL phospholipids analyzed using gas chromatography showed significantly lower percentages of stearic acid (17.4 ± 2.4 vs 15.8 ± 2.8, p = 0.004) and omega-3 fatty acids [eicosapentaenoic acid (1.0 (0.6-1.4) vs 0.7 (0.4-1.0), p = 0.009) and docosahexaenoic acid (1.5 ± 0.7 vs 1.3 ± 0.5, p = 0.03)] in ACS patients compared to controls. Lower percentages of these fatty acids in HDL were associated with higher odds of developing ACS. Our results suggest that distinct phospholipid fatty acid profiles found in HDL from ACS patients could be one of the contributing factors to the deranged HDL functions in these patients apart from the protein content and the inflammatory conditions.
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Affiliation(s)
- Himani Thakkar
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - Vinnyfred Vincent
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - Ambuj Roy
- Department of Cardiology, All India Institute of Medical Sciences, New Delhi, India
| | - Ajay Kumar Gautam
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India
| | - Rintu Kutum
- Informatics and Big Data Unit, Council of Scientific and Industrial Research (CSIR), Institute of Genomics and Integrative Biology (IGIB), New Delhi, India
| | - Lakshmy Ramakrishnan
- Department of Cardiac Biochemistry, Cardiothoracic and Neurosciences Centre, All India Institute of Medical Sciences, New Delhi, India
| | - Sandeep Singh
- Department of Cardiology, All India Institute of Medical Sciences, New Delhi, India
| | - Archna Singh
- Department of Biochemistry, All India Institute of Medical Sciences, New Delhi, India.
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14
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Kostara CE, Tsiafoulis CG, Bairaktari ET, Tsimihodimos V. Altered RBC membrane lipidome: A possible etiopathogenic link for the microvascular impairment in Type 2 diabetes. J Diabetes Complications 2021; 35:107998. [PMID: 34334328 DOI: 10.1016/j.jdiacomp.2021.107998] [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] [Received: 04/13/2021] [Revised: 07/09/2021] [Accepted: 07/21/2021] [Indexed: 11/19/2022]
Abstract
AIMS Disturbances in red blood cells' (RBCs) membrane structure, that result in altered rheological properties, have been implicated in the pathogenesis of microvascular complications of diabetes mellitus(T2DM). However, the compositional alterations in RBCs membranes of T2DM patients have not been characterized in detail. METHODS NMR-based lipidomic approach used for the global investigation of the lipidome of RBCs membrane in 20 newly diagnosed T2DM patients. Twenty healthy individuals served as controls. RESULTS In the lipidomic analysis, the discrimination power among the two groups was of high significance. T2DM patients characterized by an increased content of cholesterol, total sphingolipids, sphingomyelin and glycolipids, and decreased total phospholipids, mainly due to phosphatidylethanolamine, total ether glycerolipids and plasmalogen-phospholipids, and higher cholesterol-to-phospholipids molecular ratio compared to controls. In T2DM, lipids were esterified with saturated rather than unsaturated fatty acids, an atherogenic pattern that may be involved in the impairment of membrane fluidity and rigidity. CONCLUSIONS NMR-based lipidomic analysis of RBCs can provide insights into molecular lipid features of membrane microenvironment that influence their vital function and rheological behavior in microvascular network in T2DM.Early identification of these disturbances, even before the onset of diabetes, could critically help to the development of novel preventative and curative therapies for reducing the risk of microvascular dysfunction.
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Affiliation(s)
- Christina E Kostara
- Laboratory of Clinical Chemistry, Faculty of Medicine, School of Health Sciences, University of Ioannina, 451 10 Ioannina, Greece.
| | - Constantinos G Tsiafoulis
- NMR Center and Laboratory of Analytical Chemistry, Department of Chemistry University of Ioannina, University of Ioannina, 451 10 Ioannina, Greece
| | - Eleni T Bairaktari
- Laboratory of Clinical Chemistry, Faculty of Medicine, School of Health Sciences, University of Ioannina, 451 10 Ioannina, Greece
| | - Vasilis Tsimihodimos
- Department of Internal Medicine, Faculty of Medicine, School of Health Sciences, University of Ioannina, 451 10 Ioannina, Greece
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15
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Metabolic signatures in the conversion from gestational diabetes mellitus to postpartum abnormal glucose metabolism: a pilot study in Asian women. Sci Rep 2021; 11:16435. [PMID: 34385555 PMCID: PMC8361021 DOI: 10.1038/s41598-021-95903-w] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Accepted: 07/27/2021] [Indexed: 01/07/2023] Open
Abstract
We aimed to identify serum metabolites related to abnormal glucose metabolism (AGM) among women with gestational diabetes mellitus (GDM). The study recruited 50 women diagnosed with GDM during mid-late pregnancy and 50 non-GDM matchees in a Singapore birth cohort. At the 5-year post-partum follow-up, we applied an untargeted approach to investigate the profiles of serum metabolites among all participants. We first employed OPLS-DA and logistic regression to discriminate women with and without follow-up AGM, and then applied area under the curve (AUC) to assess the incremental indicative value of metabolic signatures on AGM. We identified 23 candidate metabolites that were associated with postpartum AGM among all participants. We then narrowed down to five metabolites [p-cresol sulfate, linoleic acid, glycocholic acid, lysoPC(16:1) and lysoPC(20:3)] specifically associating with both GDM and postpartum AGM. The combined metabolites in addition to traditional risks showed a higher indicative value in AUC (0.92–0.94 vs. 0.74 of traditional risks and 0.77 of baseline diagnostic biomarkers) and R2 (0.67–0.70 vs. 0.25 of traditional risks and 0.32 of baseline diagnostic biomarkers) in terms of AGM indication, compared with the traditional risks model and traditional risks and diagnostic biomarkers combined model. These metabolic signatures significantly increased the AUC value of AGM indication in addition to traditional risks, and might shed light on the pathophysiology underlying the transition from GDM to AGM.
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16
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Raeisi-Dehkordi H, Amiri M, Zimorovat A, Moghtaderi F, Zarei S, Forbes SC, Salehi-Abargouei A. Canola oil compared with sesame and sesame-canola oil on glycaemic control and liver function in patients with type 2 diabetes: A three-way randomized triple-blind cross-over trial. Diabetes Metab Res Rev 2021; 37:e3399. [PMID: 32860716 DOI: 10.1002/dmrr.3399] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/26/2020] [Revised: 08/17/2020] [Accepted: 08/18/2020] [Indexed: 12/28/2022]
Abstract
BACKGROUND This study aimed to compare the effects of sesame (SO), canola (CO), and sesame-canola (SCO: a blend) oils on glycaemic control markers and liver function enzymes in adults with type 2 diabetes. METHODS In this randomized, triple-blind, three-way, cross-over clinical trial, participants replaced their usual oil with the intervention oils for 9 weeks. Serum fasting blood sugar, fasting serum insulin (FSI), insulin resistance (HOMA2-IR), beta-cell function (HOMA2-%B), insulin sensitivity (HOMA2-%S), quantitative insulin sensitivity check index (QUICKI), as well as serum liver function enzymes were measured at baseline and end of intervention periods. RESULTS Ninety-two participants completed all treatment periods. After adjusting for confounders, all treatment oils resulted in significant improvements in FSI and HOMA2-%S (p < 0.05). SO and SCO led to favourable changes in HOMA2-IR and QUICKI (p < 0.05). Following CO and SCO, there was a significant decrease in HOMA2-%B (p < 0.05). The sex-stratified analysis revealed that FSI and HOMA2-IR were decreased after SO compared to CO in males (p = 0.024). Serum gamma-glutamyltransferase (GGT) was significantly lower following SO compared to CO in females (p = 0.02), however, the difference in change values was not significant (p = 0.058). CONCLUSIONS SO consumption appears to improve glycaemic control markers in males and serum GGT in females compared with CO in patients with type 2 diabetes (registration code: IRCT2016091312571N6).
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Affiliation(s)
- Hamidreza Raeisi-Dehkordi
- Nutrition and Food Security Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
- Department of Nutrition, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Mojgan Amiri
- Nutrition and Food Security Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
- Department of Nutrition, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Alireza Zimorovat
- Nutrition and Food Security Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
- Department of Nutrition, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Fatemeh Moghtaderi
- Nutrition and Food Security Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
- Department of Nutrition, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
| | - Sadegh Zarei
- Department of Clinical Biochemistry, Faculty of medicine, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Scott C Forbes
- Department of Physical Education, Faculty of Education, Brandon University, Brandon, Manitoba, Canada
| | - Amin Salehi-Abargouei
- Nutrition and Food Security Research Center, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
- Department of Nutrition, School of Public Health, Shahid Sadoughi University of Medical Sciences, Yazd, Iran
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DeltaF508 CFTR Hetero- and Homozygous Paediatric Patients with Cystic Fibrosis Do Not Differ with Regard to Nutritional Status. Nutrients 2021; 13:nu13051402. [PMID: 33919435 PMCID: PMC8143312 DOI: 10.3390/nu13051402] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Revised: 04/03/2021] [Accepted: 04/19/2021] [Indexed: 12/30/2022] Open
Abstract
The purpose of this study was to compare the nutritional status between deltaF508 CFTR hetero- and homozygous paediatric patients with cystic fibrosis. We assessed the percentage profiles of fatty acids measured in erythrocyte membranes and the serum levels of vitamins A, D3, E and K1 in the studied groups. We also measured the weights and heights and calculated the body mass indexes (BMIs). The studied groups consisted of 34 heterozygous and 30 homozygous patients. No statistically significant differences were found in the serum vitamins or erythrocyte membrane fatty acid profiles between the hetero- and homozygous patient groups, except for heptadecanoic acid (p = 0.038). The mean percentiles of height, weight and BMI did not differ significantly between the two groups. The homozygous and heterozygous paediatric patients with cystic fibrosis were similar in terms of their nutritional statuses.
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Díaz-Rizzolo DA, Serra A, Colungo C, Sala-Vila A, Sisó-Almirall A, Gomis R. Type 2 diabetes preventive effects with a 12-months sardine-enriched diet in elderly population with prediabetes: An interventional, randomized and controlled trial. Clin Nutr 2021; 40:2587-2598. [PMID: 33932804 DOI: 10.1016/j.clnu.2021.03.014] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Revised: 03/10/2021] [Accepted: 03/10/2021] [Indexed: 01/06/2023]
Abstract
BACKGROUND Fish could play a role in preventing type 2 diabetes (T2D) but there has been little specification about the type of fish and the preventive mechanism involved in its health claim. The sardine is a source of omega-3 and taurine that, in isolation or in synergy, would produce T2D-delaying through different molecular mechanism. HYPOTHESIS The consumption of twice a week of sardine, during one year would reduce T2D-developing risk in a population with prediabetes (preDM) and old age. DESIGN 152 subjects with fasting glucose between 100-124 mg/dL aged ≥65 yo were recruited from three primary care centers in Barcelona and were randomly distributed among two interventional groups: control group (CG) and sardine group (SG). Both groups received same T2D-prevention nutritional during a year but only SG had to add 200 g of sardine per week. All variables were collected before to start and at the end of the diet. (ClinicalTrials.gov: NCT03557541). RESULTS 152 people were randomized into CG (n=77) and SG (n=75) with 18 and 12 drop outs respectively. Subjects in SG, significantly compared to CG, decreased percentage classified-individuals in a very high risk group to develop T2D according to FINDRISC (p=0.035). In addition to increasing HDL-cholesterol and adiponectin and decreasing triglycerides (p<0.05) and blood pressure (<0.05), SG showed a lower HOMA-IR (p=0.032). The consumption of sardine characteristics nutrients as omega-3, EPA and DHA, vitamin D, fluorine and taurine were higher for SG (p<0.05). These results agreed with the increased of taurine, fatty acid (FA) omega-3 and bile acids circulating metabolites (p<0.05). Changes erythrocyte membrane FA were detected only in SG with a decrease of 5 omega-6 FA (p<0.001) and an increase of 3 omega-3 FA types (p<0.001). CONCLUSION We conclude that a year T2D-prevention diet with sardine supplementation has a greater protective effect against developing T2D and CV events.
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Affiliation(s)
- D A Díaz-Rizzolo
- Diabetes and Obesity Research Laboratory, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) - Hospital Clinic of Barcelona, Barcelona, Spain; Universitat Oberta de Catalunya, Barcelona, Spain; Primary Healthcare Transversal Research Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Spain.
| | - A Serra
- Diabetes and Obesity Research Laboratory, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) - Hospital Clinic of Barcelona, Barcelona, Spain
| | - C Colungo
- Primary Healthcare Transversal Research Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Spain; Primary Care Centre, CAPSBE, Barcelona, Spain
| | - A Sala-Vila
- IMIM - Hospital del Mar Medical Research Institute, Barcelona, Spain; Fatty Acid Research Institute, Sioux Falls, SD, USA
| | - A Sisó-Almirall
- Primary Healthcare Transversal Research Group, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Spain; Primary Care Centre, CAPSBE, Barcelona, Spain; University of Barcelona, Barcelona, Spain
| | - R Gomis
- Diabetes and Obesity Research Laboratory, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS) - Hospital Clinic of Barcelona, Barcelona, Spain; Universitat Oberta de Catalunya, Barcelona, Spain; University of Barcelona, Barcelona, Spain; Centro de Investigación Biomédica en Red de Diabetes y Enfermedades Metabólicas Asociadas (CIBERDEM), Spain; Department of Endocrinology and Nutrition, Hospital Clinic of Barcelona, Barcelona, Spain
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Marin-Alejandre BA, Abete I, Monreal JI, Elorz M, Benito-Boillos A, Herrero JI, Navarro-Blasco I, Tur JA, Bandarra NM, Zulet MA, Martinez JA. Effects of a 6-month dietary-induced weight loss on erythrocyte membrane omega-3 fatty acids and hepatic status of subjects with nonalcoholic fatty liver disease: The Fatty Liver in Obesity study. J Clin Lipidol 2020; 14:837-849.e2. [DOI: 10.1016/j.jacl.2020.08.007] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/15/2020] [Revised: 08/18/2020] [Accepted: 08/18/2020] [Indexed: 02/07/2023]
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Jäger S, Cuadrat R, Hoffmann P, Wittenbecher C, Schulze MB. Desaturase Activity and the Risk of Type 2 Diabetes and Coronary Artery Disease: A Mendelian Randomization Study. Nutrients 2020; 12:E2261. [PMID: 32731631 PMCID: PMC7469057 DOI: 10.3390/nu12082261] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2020] [Revised: 07/23/2020] [Accepted: 07/25/2020] [Indexed: 12/22/2022] Open
Abstract
Estimated Δ5-desaturase (D5D) and Δ6-desaturase (D6D) are key enzymes in metabolism of polyunsaturated fatty acids (PUFA) and have been associated with cardiometabolic risk; however, causality needs to be clarified. We applied two-sample Mendelian randomization (MR) approach using a representative sub-cohort of the European Prospective Investigation into Cancer and Nutrition (EPIC)-Potsdam Study and public data from DIAbetes Genetics Replication And Meta-analysis (DIAGRAM) and Coronary ARtery DIsease Genome wide Replication and Meta-analysis (CARDIoGRAM) genome-wide association studies (GWAS). Furthermore, we addressed confounding by linkage disequilibrium (LD) as all instruments from FADS1 (encoding D5D) are in LD with FADS2 (encoding D6D) variants. Our univariable MRs revealed risk-increasing total effects of both, D6D and D5D on type 2 diabetes (T2DM) risk; and risk-increasing total effect of D6D on risk of coronary artery disease (CAD). The multivariable MR approach could not unambiguously allocate a direct causal effect to either of the individual desaturases. Our results suggest that D6D is causally linked to cardiometabolic risk, which is likely due to downstream production of fatty acids and products resulting from high D6D activity. For D5D, we found indication for causal effects on T2DM and CAD, which could, however, still be confounded by LD.
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Affiliation(s)
- Susanne Jäger
- Department of Molecular Epidemiology, German Institute of Human Nutrition Potsdam-Rehbruecke, 14558 Nuthetal, Germany; (S.J.); (R.C.); (C.W.)
- German Center for Diabetes Research (DZD), 85764 Neuherberg, Germany
| | - Rafael Cuadrat
- Department of Molecular Epidemiology, German Institute of Human Nutrition Potsdam-Rehbruecke, 14558 Nuthetal, Germany; (S.J.); (R.C.); (C.W.)
- German Center for Diabetes Research (DZD), 85764 Neuherberg, Germany
| | - Per Hoffmann
- Human Genomics Research Group, Department of Biomedicine, University of Basel, 4031 Basel, Switzerland;
- Institute of Human Genetics, University of Bonn, School of Medicine & University Hospital Bonn, 53105 Bonn, Germany
| | - Clemens Wittenbecher
- Department of Molecular Epidemiology, German Institute of Human Nutrition Potsdam-Rehbruecke, 14558 Nuthetal, Germany; (S.J.); (R.C.); (C.W.)
- German Center for Diabetes Research (DZD), 85764 Neuherberg, Germany
- Department of Nutrition, Harvard T.H. Chan School of Public Health, Boston, MA 02115, USA
| | - Matthias B. Schulze
- Department of Molecular Epidemiology, German Institute of Human Nutrition Potsdam-Rehbruecke, 14558 Nuthetal, Germany; (S.J.); (R.C.); (C.W.)
- German Center for Diabetes Research (DZD), 85764 Neuherberg, Germany
- Institute of Nutritional Science, University of Potsdam, 14558 Nuthetal, Germany
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21
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Chen W, Shao S, Cai H, Han J, Guo T, Fu Y, Yu C, Zhao M, Bo T, Yao Z, Zhao J, Zhang Q, Xu G, Hu C, Gao L. Comparison of Erythrocyte Membrane Lipid Profiles between NAFLD Patients with or without Hyperlipidemia. Int J Endocrinol 2020; 2020:9501826. [PMID: 33014047 PMCID: PMC7519187 DOI: 10.1155/2020/9501826] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/29/2020] [Revised: 07/21/2020] [Accepted: 08/25/2020] [Indexed: 02/08/2023] Open
Abstract
Nonalcoholic fatty liver disease (NAFLD) and hyperlipidemia (HL) are common metabolic disorders due to overnutrition and obesity. NAFLD is often associated with hyperlipidemia. The aim of this study was to identify and compare the erythrocyte membrane lipids profile in NAFLD patients with or without HL. Methods. A total of 112 subjects (with similar age and body mass index) were divided into four groups: (1) normal controls, (2) NAFLD alone, (3) HL alone, and (4) NAFLD combined with HL (NAFLD + HL). Lipid was extracted from the erythrocyte membrane, and lipid profiles of subjects were analyzed by liquid chromatography mass spectrometry (LC-MS). Results. Data sets from 103 subjects were adopted for lipidomic analysis. Significant changes of lipid species were observed in patient groups, especially in the HL group and NAFLD + HL group. The HL group showed increased level of most lipid species, and decreased level of most lipid species was observed in the NAFLD + HL group. The weight percent of myristic acid, stearic acid, erucic acid, and docosahexaenoic acid also showed distinct variation between different groups. Conclusions. NAFLD, HL, and NAFLD + HL all had an impact on lipid profiling of the erythrocyte membrane. The influence of NAFLD alone is less important compared with HL. Some lipids should be highlighted because of their specific role in cell function and systemic metabolism.
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Affiliation(s)
- Wenbin Chen
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
- Shandong University, Jinan, China
- Scientific Center, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Shanshan Shao
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
- Shandong University, Jinan, China
- Shandong Provincial Key Laboratory of Endocrinology and Lipid Metabolism, Jinan, China
| | - Hu Cai
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
- Shandong Provincial Key Laboratory of Endocrinology and Lipid Metabolism, Jinan, China
| | - Jie Han
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
- Shandong Provincial Key Laboratory of Endocrinology and Lipid Metabolism, Jinan, China
| | - Tian Guo
- Shandong University, Jinan, China
| | - Yilin Fu
- Shandong University, Jinan, China
| | - Chunxiao Yu
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
- Shandong Provincial Key Laboratory of Endocrinology and Lipid Metabolism, Jinan, China
| | - Meng Zhao
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
- Shandong University, Jinan, China
- Department of Endocrinology, Shandong Provincial Hospital Affiliated to Shandong University, Jinan, China
| | - Tao Bo
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
- Shandong University, Jinan, China
- Scientific Center, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
| | - Zhenyu Yao
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
- Shandong University, Jinan, China
- Shandong Provincial Key Laboratory of Endocrinology and Lipid Metabolism, Jinan, China
| | - Jiajun Zhao
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
- Shandong University, Jinan, China
- Shandong Provincial Key Laboratory of Endocrinology and Lipid Metabolism, Jinan, China
| | - Qunye Zhang
- Key Laboratory of Cardiovascular Remodeling and Function Research Chinese Ministry of Education and Ministry of Public Health, The State and Shandong Province Joint Key Laboratory of Translational Cardiovascular Medicine, Qilu Hospital of Shandong University, Jinan, China
| | - Guowang Xu
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Jinan, China
| | - Chunxiu Hu
- CAS Key Laboratory of Separation Science for Analytical Chemistry, Dalian Institute of Chemical Physics, Chinese Academy of Sciences, Jinan, China
| | - Ling Gao
- Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
- Shandong University, Jinan, China
- Scientific Center, Shandong Provincial Hospital Affiliated to Shandong First Medical University, Jinan, China
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22
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Changes in Plasma Free Fatty Acids Associated with Type-2 Diabetes. Nutrients 2019; 11:nu11092022. [PMID: 31466350 PMCID: PMC6770316 DOI: 10.3390/nu11092022] [Citation(s) in RCA: 154] [Impact Index Per Article: 30.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2019] [Revised: 08/22/2019] [Accepted: 08/24/2019] [Indexed: 02/06/2023] Open
Abstract
Type 2 diabetes mellitus (T2DM) is associated with increased total plasma free fatty acid (FFA) concentrations and an elevated risk of cardiovascular disease. The exact mechanisms by which the plasma FFA profile of subjects with T2DM changes is unclear, but it is thought that dietary fats and changes to lipid metabolism are likely to contribute. Therefore, establishing the changes in concentrations of specific FFAs in an individual’s plasma is important. Each type of FFA has different effects on physiological processes, including the regulation of lipolysis and lipogenesis in adipose tissue, inflammation, endocrine signalling and the composition and properties of cellular membranes. Alterations in such processes due to altered plasma FFA concentrations/profiles can potentially result in the development of insulin resistance and coagulatory defects. Finally, fibrates and statins, lipid-regulating drugs prescribed to subjects with T2DM, are also thought to exert part of their beneficial effects by impacting on plasma FFA concentrations. Thus, it is also interesting to consider their effects on the concentration of FFAs in plasma. Collectively, we review how FFAs are altered in T2DM and explore the likely downstream physiological and pathological implications of such changes.
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23
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Shah M, Garg A. The relationships between macronutrient and micronutrient intakes and type 2 diabetes mellitus in South Asians: A review. J Diabetes Complications 2019; 33:500-507. [PMID: 31126704 DOI: 10.1016/j.jdiacomp.2019.04.010] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/18/2018] [Revised: 04/09/2019] [Accepted: 04/10/2019] [Indexed: 02/07/2023]
Abstract
BACKGROUND South Asians (SA) have increased prevalence of type 2 diabetes mellitus (T2DM). The role of nutrient intakes in T2DM in SA is not well understood, however. OBJECTIVE The paper reviewed the relationship between macronutrient and micronutrients intakes and T2DM in SA. METHODS The MEDLINE database was searched for relevant papers on this topic in SA. RESULTS There was some evidence that dietary fiber and linoleic acid intake may reduce but carbohydrates may increase the risk of T2DM. Some studies found higher energy from protein and fat in subjects with T2DM versus controls. Other studies, however, found lower carbohydrate intake among those with T2DM or no relationship between diet composition and T2DM. Several vitamins and minerals were also inversely related to T2DM. CONCLUSIONS The data were limited to a few epidemiological studies. Most studies did not distinguish between undiagnosed and known T2DM. Subjects with known T2DM are more likely to have changed their diet. Prospective cohort or randomized controlled studies examining the role of diet composition, using precise image-assisted dietary assessment method and blood biomarkers, in the development of T2DM among migrant and native SA are needed. Lastly, a more complete nutrient database for foods consumed by SA is needed.
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Affiliation(s)
- Meena Shah
- Division of Nutrition and Metabolic Diseases, UT Southwestern Medical Center, Dallas, TX, United States of America; Department of Internal Medicine, UT Southwestern Medical Center, Dallas, TX, United States of America; Center for Human Nutrition, UT Southwestern Medical Center, Dallas, TX, United States of America; Department of Kinesiology, Texas Christian University, Fort Worth, TX, United States of America.
| | - Abhimanyu Garg
- Division of Nutrition and Metabolic Diseases, UT Southwestern Medical Center, Dallas, TX, United States of America; Department of Internal Medicine, UT Southwestern Medical Center, Dallas, TX, United States of America; Center for Human Nutrition, UT Southwestern Medical Center, Dallas, TX, United States of America.
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24
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Huang L, Lin JS, Aris IM, Yang G, Chen WQ, Li LJ. Circulating Saturated Fatty Acids and Incident Type 2 Diabetes: A Systematic Review and Meta-Analysis. Nutrients 2019; 11:nu11050998. [PMID: 31052447 PMCID: PMC6566227 DOI: 10.3390/nu11050998] [Citation(s) in RCA: 41] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2019] [Revised: 04/28/2019] [Accepted: 04/30/2019] [Indexed: 01/05/2023] Open
Abstract
The effect of saturated fatty acids (SFAs) on incident type 2 diabetes (T2D) is controversial and few have systematically appraised the evidence. We conducted a comprehensive search of prospective studies examining these relationships that were published in PubMed, Web of Science, or EMBASE from 21 February 1989 to 21 February 2019. A total of 19 studies were included for systematic review and 10 for meta-analysis. We estimated the summarized relative risk (RR) and 95% confidence interval (95% CI) using a random (if I2 > 50%) or a fixed effects model (if I2 ≤ 50%). Although the included studies reported inconclusive results, the majority supported a protective effect of odd-chain and an adverse impact of even-chain SFAs. Meta-analysis showed that the per standard deviation (SD) increase in odd-chain SFAs was associated with a reduced risk of incident T2D (C15:0: 0.86, 0.76–0.98; C17:0: 0.76, 0.59–0.97), while a per SD increase in one even-chain SFA was associated with an increased risk of incident T2D (C14:0: 1.13, 1.09–1.18). No associations were found between other SFAs and incident T2D. In conclusion, our findings suggest an overall protective effect of odd-chain SFAs and the inconclusive impact of even- and very-long-chain SFAs on incident T2D.
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Affiliation(s)
- Lihua Huang
- Department of Medical Statistics and Epidemiology, Guangzhou Key Laboratory of Environmental Pollution and Health Assessment, Guangdong Provincial Key Laboratory of Food, Nutrition and Health, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China.
| | - Jie-Sheng Lin
- Department of Medical Statistics and Epidemiology, Guangzhou Key Laboratory of Environmental Pollution and Health Assessment, Guangdong Provincial Key Laboratory of Food, Nutrition and Health, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China.
| | - Izzuddin M Aris
- Division of Chronic Disease Research Across the Lifecourse, Department of Population Medicine, Harvard Medical School and Harvard Pilgrim Health Care Institute, Boston, MA 02215, USA.
- Department of Obstetrics and Gynecology, Yong Loo Lin School of Medicine, National University of Singapore, 119074 Singapore, Singapore.
- Singapore Institute for Clinical Sciences, Agency for Science, Technology and Research, Singapore, Singapore.
| | - Guiyou Yang
- Department of Medical Statistics and Epidemiology, Guangzhou Key Laboratory of Environmental Pollution and Health Assessment, Guangdong Provincial Key Laboratory of Food, Nutrition and Health, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China.
| | - Wei-Qing Chen
- Department of Medical Statistics and Epidemiology, Guangzhou Key Laboratory of Environmental Pollution and Health Assessment, Guangdong Provincial Key Laboratory of Food, Nutrition and Health, School of Public Health, Sun Yat-sen University, Guangzhou 510080, China.
- Department of Information Management, Xinhua College, Sun Yat-sen University, Guangzhou 510520, China.
| | - Ling-Jun Li
- Division of Obstetrics and Gynecology, KK Women's and Children's Hospital, Singapore 229899, Singapore.
- Obstetrics and Gynecology Academic Clinical Program, Duke-NUS Medical School, Singapore 169857, Singapore.
- Singapore Eye Research Institute, Singapore National Eye Centre, Singapore 169856, Singapore.
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Saturated fatty acids induce NLRP3 activation in human macrophages through K + efflux resulting from phospholipid saturation and Na, K-ATPase disruption. Biochim Biophys Acta Mol Cell Biol Lipids 2019; 1864:1017-1030. [PMID: 30953761 DOI: 10.1016/j.bbalip.2019.04.001] [Citation(s) in RCA: 51] [Impact Index Per Article: 10.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2018] [Revised: 12/20/2018] [Accepted: 01/06/2019] [Indexed: 12/29/2022]
Abstract
NLRP3 inflammasome plays a key role in Western diet-induced systemic inflammation and was recently shown to mediate long-lasting trained immunity in myeloid cells. Saturated fatty acids (SFAs) are sterile triggers able to induce the assembly of the NLRP3 inflammasome in macrophages, leading to IL-1β secretion while unsaturated ones (UFAs) prevent SFAs-mediated NLRP3 activation. Unlike previous studies using LPS-primed bone marrow derived macrophages, we do not see any ROS or IRE-1α involvement in SFAs-mediated NLRP3 activation in human monocytes-derived macrophages. Rather we show that SFAs need to enter the cells and to be activated into acyl-CoA to lead to NLRP3 activation in human macrophages. However, their β-oxidation is dispensable. Instead, they are channeled towards phospholipids but redirected towards lipid droplets containing triacylglycerol in the presence of UFAs. Lipidomic analyses and Laurdan fluorescence experiments demonstrate that SFAs induce a dramatic saturation of phosphatidylcholine (PC) correlated with a loss of membrane fluidity, both events inhibited by UFAs. The silencing of CCTα, the key enzyme in PC synthesis, prevents SFA-mediated NLRP3 activation, demonstrating the essential role of the de novo PC synthesis. This SFA-induced membrane remodeling promotes a disruption of the plasma membrane Na, K-ATPase, instigating a K+ efflux essential and sufficient for NLRP3 activation. This work opens novel therapeutic avenues to interfere with Western diet-associated diseases such as those targeting the glycerolipid pathway.
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Ruiz M, Bodhicharla R, Svensk E, Devkota R, Busayavalasa K, Palmgren H, Ståhlman M, Boren J, Pilon M. Membrane fluidity is regulated by the C. elegans transmembrane protein FLD-1 and its human homologs TLCD1/2. eLife 2018; 7:e40686. [PMID: 30509349 PMCID: PMC6279351 DOI: 10.7554/elife.40686] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2018] [Accepted: 11/04/2018] [Indexed: 12/15/2022] Open
Abstract
Dietary fatty acids are the main building blocks for cell membranes in animals, and mechanisms must therefore exist that compensate for dietary variations. We isolated C. elegans mutants that improved tolerance to dietary saturated fat in a sensitized genetic background, including eight alleles of the novel gene fld-1 that encodes a homolog of the human TLCD1 and TLCD2 transmembrane proteins. FLD-1 is localized on plasma membranes and acts by limiting the levels of highly membrane-fluidizing long-chain polyunsaturated fatty acid-containing phospholipids. Human TLCD1/2 also regulate membrane fluidity by limiting the levels of polyunsaturated fatty acid-containing membrane phospholipids. FLD-1 and TLCD1/2 do not regulate the synthesis of long-chain polyunsaturated fatty acids but rather limit their incorporation into phospholipids. We conclude that inhibition of FLD-1 or TLCD1/2 prevents lipotoxicity by allowing increased levels of membrane phospholipids that contain fluidizing long-chain polyunsaturated fatty acids. Editorial note This article has been through an editorial process in which the authors decide how to respond to the issues raised during peer review. The Reviewing Editor's assessment is that all the issues have been addressed (see decision letter).
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Affiliation(s)
- Mario Ruiz
- Department of Chemistry and Molecular BiologyUniversity of GothenburgGothenburgSweden
| | - Rakesh Bodhicharla
- Department of Chemistry and Molecular BiologyUniversity of GothenburgGothenburgSweden
| | - Emma Svensk
- Department of Chemistry and Molecular BiologyUniversity of GothenburgGothenburgSweden
| | - Ranjan Devkota
- Department of Chemistry and Molecular BiologyUniversity of GothenburgGothenburgSweden
| | - Kiran Busayavalasa
- Department of Chemistry and Molecular BiologyUniversity of GothenburgGothenburgSweden
| | - Henrik Palmgren
- Department of Chemistry and Molecular BiologyUniversity of GothenburgGothenburgSweden
- Diabetes Bioscience, Cardiovascular, Renal and Metabolism, IMED Biotech UnitAstraZenecaGothenburgSweden
| | - Marcus Ståhlman
- Department of Molecular and Clinical Medicine/Wallenberg Laboratory, Institute of MedicineUniversity of GothenburgGothenburgSweden
| | - Jan Boren
- Department of Molecular and Clinical Medicine/Wallenberg Laboratory, Institute of MedicineUniversity of GothenburgGothenburgSweden
| | - Marc Pilon
- Department of Chemistry and Molecular BiologyUniversity of GothenburgGothenburgSweden
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27
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Flannagan KS, Ramírez-Zea M, Roman AV, Das AK, Villamor E. Adipose tissue polyunsaturated fatty acids and metabolic syndrome among adult parents and their children. Nutr Metab Cardiovasc Dis 2018; 28:1237-1244. [PMID: 30360954 DOI: 10.1016/j.numecd.2018.08.008] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/02/2018] [Revised: 08/03/2018] [Accepted: 08/30/2018] [Indexed: 12/15/2022]
Abstract
BACKGROUND AND AIMS Polyunsaturated fatty acids (PUFA) may play a role in the etiology of the metabolic syndrome (MetS). The aim of the study was to examine the associations of adipose tissue PUFA biomarkers with MetS among parents and children in Mesoamerica. METHOD AND RESULTS We conducted a cross-sectional study among 468 parents and 201 children aged 7-12 y from the capital cities of Guatemala, El Salvador, the Dominican Republic, Honduras, Nicaragua, Panama, Costa Rica, and Belize, and Tuxtla Gutiérrez in Mexico. We measured PUFA biomarkers in gluteal adipose tissue by gas chromatography. In adults, MetS was defined according to the National Cholesterol Education Program's Adult Treatment Panel III definition. In children, we created an age- and sex-standardized metabolic risk score using abdominal circumference, the homeostasis model of insulin resistance, blood pressure, serum HDL cholesterol, and triglycerides. We estimated prevalence ratios of MetS and mean differences in metabolic score across quartiles of PUFA using multivariable-adjusted Poisson and linear regression models, respectively. Among adults, MetS was associated with low alpha-linolenic acid (ALA), high eicosapentaenoic acid (EPA), and low gamma-linolenic acid (GLA). It was linearly, positively associated with dihomo-gamma-linolenic acid (DGLA) and estimated Δ6-desaturase (D6D) activity. Among children, the metabolic score was positively associated with docosapentaenoic acid (DPA), DGLA, and D6D activity. CONCLUSIONS Among Mesoamerican adults, MetS prevalence is inversely associated with adipose tissue ALA and GLA, and positively associated with EPA, DGLA, and the D6D index. Among children, metabolic risk score is positively associated with DPA, DGLA, and the D6D index.
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Affiliation(s)
- K S Flannagan
- Department of Epidemiology, University of Michigan School of Public Health, Ann Arbor, MI, USA.
| | - M Ramírez-Zea
- INCAP Research Center for the Prevention of Chronic Diseases, Institute of Nutrition of Central America and Panama, Guatemala City, Guatemala
| | - A V Roman
- INCAP Research Center for the Prevention of Chronic Diseases, Institute of Nutrition of Central America and Panama, Guatemala City, Guatemala
| | - A K Das
- Department of Internal Medicine, University of Michigan Medical School, Ann Arbor, MI, USA
| | - E Villamor
- Department of Epidemiology, University of Michigan School of Public Health, Ann Arbor, MI, USA; Center for Human Growth and Development, University of Michigan, Ann Arbor, MI, USA
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28
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Maki KC, Eren F, Cassens ME, Dicklin MR, Davidson MH. ω-6 Polyunsaturated Fatty Acids and Cardiometabolic Health: Current Evidence, Controversies, and Research Gaps. Adv Nutr 2018; 9:688-700. [PMID: 30184091 PMCID: PMC6247292 DOI: 10.1093/advances/nmy038] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
The 2015 Dietary Guidelines for Americans recommend limiting the intake of saturated fatty acids (SFAs) to <10% of energy/d and replacing dietary SFAs with unsaturated fatty acids. A Presidential Advisory from the American Heart Association recently released its evaluation of the relation between dietary fats and cardiovascular disease (CVD), and also recommended a shift from SFAs to unsaturated fatty acids, especially polyunsaturated fatty acids (PUFAs), in conjunction with a healthy dietary pattern. However, the suggestion to increase the intake of PUFAs in general, and omega-6 (n-6) PUFAs in particular, continues to be controversial. This review was undertaken to provide an overview of the evidence and controversies regarding the effects of ω-6 PUFAs on cardiometabolic health, with emphasis on risks and risk factors for CVD (coronary heart disease and stroke) and type 2 diabetes mellitus (T2D). Results from observational studies show that higher intake of ω-6 PUFAs, when compared with SFAs or carbohydrate, is associated with lower risks for CVD events (10-30%), CVD and total mortality (10-40%), and T2D (20-50%). Findings from intervention studies on cardiometabolic risk factors suggest that ω-6 PUFAs reduce concentrations of LDL cholesterol and non-HDL cholesterol in a dose-dependent manner compared with dietary carbohydrate, and have a neutral effect on blood pressure. Despite the concern that ω-6 fatty acids increase inflammation, current evidence from studies in humans does not support this view. In conclusion, these findings support current recommendations to emphasize consumption of ω-6 PUFAs as a replacement of SFAs; additional randomized controlled trials with cardiometabolic disease outcomes will help to more clearly define the benefits and risks of this policy.
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Affiliation(s)
- Kevin C Maki
- Midwest Biomedical Research: Center for Metabolic and Cardiovascular Health, Glen Ellyn, IL,Address correspondence to KCM (e-mail: )
| | - Fulya Eren
- ACH Food Companies, Inc., Oakbrook Terrace, IL
| | | | - Mary R Dicklin
- Midwest Biomedical Research: Center for Metabolic and Cardiovascular Health, Glen Ellyn, IL
| | - Michael H Davidson
- Department of Medicine, Section of Cardiology, University of Chicago, Chicago, IL
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29
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Tram L, Krogh Venø S, Dahm CC, H Thomsen B, Berg Johansen M, Overvad K, Berg Schmidt E. Adipose Tissue Lipophilic Index and Risk of Ischemic Stroke-A Danish Case-Cohort Study. Nutrients 2018; 10:nu10111570. [PMID: 30360550 PMCID: PMC6267621 DOI: 10.3390/nu10111570] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2018] [Revised: 10/16/2018] [Accepted: 10/20/2018] [Indexed: 12/21/2022] Open
Abstract
Diet may influence the risk of ischemic stroke by several mechanisms. A potential and hitherto unknown mechanism may relate to an effect on the lipophilic index, which is a new and convenient indicator of membrane fluidity. This study investigated the association between the adipose tissue lipophilic index and ischemic stroke and its subtypes. A case-cohort study was conducted based on the Danish cohort study Diet, Cancer, and Health, which includes 57,053 subjects aged 50–64 years at enrolment. A subcohort (n = 3500) was randomly drawn from the whole cohort. All ischemic stroke cases were validated and categorized into subtypes. The lipophilic index was calculated based on fatty acid profiles in adipose tissue. Subjects were divided into quintiles and a weighted Cox proportional hazards regression model was used to calculate hazard ratios. After appropriate exclusions, a subcohort of 3194 subjects and 1752 cases of ischemic stroke were included. When comparing the fifth quintile of the lipophilic index with the first quintile, the hazard ratio for ischemic stroke was 0.92 (95% confidence interval 0.75, 1.13) and the trend across quintiles was not statistically significant (p = 0.1727). In conclusion, no association was found between the lipophilic index and ischemic stroke or its subtypes.
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Affiliation(s)
- Linda Tram
- Department of Cardiology, Aalborg University Hospital, Hobrovej 18⁻22, DK-9100 Aalborg, Denmark.
| | - Stine Krogh Venø
- Department of Cardiology, Aalborg University Hospital, Hobrovej 18⁻22, DK-9100 Aalborg, Denmark.
- Department of Clinical Medicine, Aalborg University, Hobrovej 18⁻22, DK-9100 Aalborg, Denmark.
| | | | - Birthe H Thomsen
- Department of Cardiology, Aalborg University Hospital, Hobrovej 18⁻22, DK-9100 Aalborg, Denmark.
| | - Martin Berg Johansen
- Unit of Clinical Biostatistics, Aalborg University Hospital, Hobrovej 18⁻22, DK-9100 Aalborg, Denmark.
| | - Kim Overvad
- Department of Cardiology, Aalborg University Hospital, Hobrovej 18⁻22, DK-9100 Aalborg, Denmark.
- Department of Public Health, Aarhus University, Bartholins Allé 2, DK-8000 Aarhus C, Denmark.
| | - Erik Berg Schmidt
- Department of Cardiology, Aalborg University Hospital, Hobrovej 18⁻22, DK-9100 Aalborg, Denmark.
- Department of Clinical Medicine, Aalborg University, Hobrovej 18⁻22, DK-9100 Aalborg, Denmark.
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Gianfrancesco MA, Paquot N, Piette J, Legrand-Poels S. Lipid bilayer stress in obesity-linked inflammatory and metabolic disorders. Biochem Pharmacol 2018; 153:168-183. [PMID: 29462590 DOI: 10.1016/j.bcp.2018.02.022] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2017] [Accepted: 02/15/2018] [Indexed: 12/13/2022]
Abstract
The maintenance of the characteristic lipid compositions and physicochemical properties of biological membranes is essential for their proper function. Mechanisms allowing to sense and restore membrane homeostasis have been identified in prokaryotes for a long time and more recently in eukaryotes. A membrane remodeling can result from aberrant metabolism as seen in obesity. In this review, we describe how such lipid bilayer stress can account for the modulation of membrane proteins involved in the pathogenesis of obesity-linked inflammatory and metabolic disorders. We address the case of the Toll-like receptor 4 that is implicated in the obesity-related low grade inflammation and insulin resistance. The lipid raft-mediated TLR4 activation is promoted by an enrichment of the plasma membrane with saturated lipids or cholesterol increasing the lipid phase order. We discuss of the plasma membrane Na, K-ATPase that illustrates a new concept according to which direct interactions between specific residues and particular lipids determine both stability and activity of the pump in parallel with indirect effects of the lipid bilayer. The closely related sarco(endo)-plasmic Ca-ATPase embedded in the more fluid ER membrane seems to be more sensitive to a lipid bilayer stress as demonstrated by its inactivation in cholesterol-loaded macrophages or its inhibition mediated by an increased PtdCho/PtdEtn ratio in obese mice hepatocytes. Finally, we describe the model recently proposed for the activation of the conserved IRE-1 protein through alterations in the ER membrane lipid packing and thickness. Such IRE-1 activation could occur in response to abnormal lipid synthesis and membrane remodeling as observed in hepatocytes exposed to excess nutrients. Since the IRE-1/XBP1 branch also stimulates the lipid synthesis, this pathway could create a vicious cycle "lipogenesis-ER lipid bilayer stress-lipogenesis" amplifying hepatic ER pathology and the obesity-linked systemic metabolic defects.
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Affiliation(s)
- Marco A Gianfrancesco
- Laboratory of Immunometabolism and Nutrition, GIGA-I3, University of Liège, Liège, Belgium; Division of Diabetes, Nutrition and Metabolic Disorders, Department of Medicine, University Hospital of Liège, Liège, Belgium
| | - Nicolas Paquot
- Laboratory of Immunometabolism and Nutrition, GIGA-I3, University of Liège, Liège, Belgium; Division of Diabetes, Nutrition and Metabolic Disorders, Department of Medicine, University Hospital of Liège, Liège, Belgium
| | - Jacques Piette
- Laboratory of Virology and Immunology, GIGA-Molecular Biology of Diseases, University of Liège, Liège, Belgium
| | - Sylvie Legrand-Poels
- Laboratory of Immunometabolism and Nutrition, GIGA-I3, University of Liège, Liège, Belgium; Laboratory of Virology and Immunology, GIGA-Molecular Biology of Diseases, University of Liège, Liège, Belgium.
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31
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Russell J, Du Toit EF, Peart JN, Patel HH, Headrick JP. Myocyte membrane and microdomain modifications in diabetes: determinants of ischemic tolerance and cardioprotection. Cardiovasc Diabetol 2017; 16:155. [PMID: 29202762 PMCID: PMC5716308 DOI: 10.1186/s12933-017-0638-z] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/08/2017] [Accepted: 11/22/2017] [Indexed: 02/06/2023] Open
Abstract
Cardiovascular disease, predominantly ischemic heart disease (IHD), is the leading cause of death in diabetes mellitus (DM). In addition to eliciting cardiomyopathy, DM induces a ‘wicked triumvirate’: (i) increasing the risk and incidence of IHD and myocardial ischemia; (ii) decreasing myocardial tolerance to ischemia–reperfusion (I–R) injury; and (iii) inhibiting or eliminating responses to cardioprotective stimuli. Changes in ischemic tolerance and cardioprotective signaling may contribute to substantially higher mortality and morbidity following ischemic insult in DM patients. Among the diverse mechanisms implicated in diabetic impairment of ischemic tolerance and cardioprotection, changes in sarcolemmal makeup may play an overarching role and are considered in detail in the current review. Observations predominantly in animal models reveal DM-dependent changes in membrane lipid composition (cholesterol and triglyceride accumulation, fatty acid saturation vs. reduced desaturation, phospholipid remodeling) that contribute to modulation of caveolar domains, gap junctions and T-tubules. These modifications influence sarcolemmal biophysical properties, receptor and phospholipid signaling, ion channel and transporter functions, contributing to contractile and electrophysiological dysfunction, cardiomyopathy, ischemic intolerance and suppression of protective signaling. A better understanding of these sarcolemmal abnormalities in types I and II DM (T1DM, T2DM) can inform approaches to limiting cardiomyopathy, associated IHD and their consequences. Key knowledge gaps include details of sarcolemmal changes in models of T2DM, temporal patterns of lipid, microdomain and T-tubule changes during disease development, and the precise impacts of these diverse sarcolemmal modifications. Importantly, exercise, dietary, pharmacological and gene approaches have potential for improving sarcolemmal makeup, and thus myocyte function and stress-resistance in this ubiquitous metabolic disorder.
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Affiliation(s)
- Jake Russell
- Menzies Health Institute Queensland, Griffith University, Southport, QLD, Australia
| | - Eugene F Du Toit
- Menzies Health Institute Queensland, Griffith University, Southport, QLD, Australia
| | - Jason N Peart
- Menzies Health Institute Queensland, Griffith University, Southport, QLD, Australia
| | - Hemal H Patel
- VA San Diego Healthcare System and Department of Anesthesiology, University of California San Diego, San Diego, USA
| | - John P Headrick
- Menzies Health Institute Queensland, Griffith University, Southport, QLD, Australia. .,School of Medical Science, Griffith University, Southport, QLD, 4217, Australia.
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Wu JHY, Marklund M, Imamura F, Tintle N, Ardisson Korat AV, de Goede J, Zhou X, Yang WS, de Oliveira Otto MC, Kröger J, Qureshi W, Virtanen JK, Bassett JK, Frazier-Wood AC, Lankinen M, Murphy RA, Rajaobelina K, Del Gobbo LC, Forouhi NG, Luben R, Khaw KT, Wareham N, Kalsbeek A, Veenstra J, Luo J, Hu FB, Lin HJ, Siscovick DS, Boeing H, Chen TA, Steffen B, Steffen LM, Hodge A, Eriksdottir G, Smith AV, Gudnason V, Harris TB, Brouwer IA, Berr C, Helmer C, Samieri C, Laakso M, Tsai MY, Giles GG, Nurmi T, Wagenknecht L, Schulze MB, Lemaitre RN, Chien KL, Soedamah-Muthu SS, Geleijnse JM, Sun Q, Harris WS, Lind L, Ärnlöv J, Riserus U, Micha R, Mozaffarian D. Omega-6 fatty acid biomarkers and incident type 2 diabetes: pooled analysis of individual-level data for 39 740 adults from 20 prospective cohort studies. Lancet Diabetes Endocrinol 2017; 5:965-974. [PMID: 29032079 PMCID: PMC6029721 DOI: 10.1016/s2213-8587(17)30307-8] [Citation(s) in RCA: 200] [Impact Index Per Article: 28.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/07/2017] [Revised: 08/01/2017] [Accepted: 08/04/2017] [Indexed: 12/23/2022]
Abstract
BACKGROUND The metabolic effects of omega-6 polyunsaturated fatty acids (PUFAs) remain contentious, and little evidence is available regarding their potential role in primary prevention of type 2 diabetes. We aimed to assess the associations of linoleic acid and arachidonic acid biomarkers with incident type 2 diabetes. METHODS We did a pooled analysis of new, harmonised, individual-level analyses for the biomarkers linoleic acid and its metabolite arachidonic acid and incident type 2 diabetes. We analysed data from 20 prospective cohort studies from ten countries (Iceland, the Netherlands, the USA, Taiwan, the UK, Germany, Finland, Australia, Sweden, and France), with biomarkers sampled between 1970 and 2010. Participants included in the analyses were aged 18 years or older and had data available for linoleic acid and arachidonic acid biomarkers at baseline. We excluded participants with type 2 diabetes at baseline. The main outcome was the association between omega-6 PUFA biomarkers and incident type 2 diabetes. We assessed the relative risk of type 2 diabetes prospectively for each cohort and lipid compartment separately using a prespecified analytic plan for exposures, covariates, effect modifiers, and analysis, and the findings were then pooled using inverse-variance weighted meta-analysis. FINDINGS Participants were 39 740 adults, aged (range of cohort means) 49-76 years with a BMI (range of cohort means) of 23·3-28·4 kg/m2, who did not have type 2 diabetes at baseline. During a follow-up of 366 073 person-years, we identified 4347 cases of incident type 2 diabetes. In multivariable-adjusted pooled analyses, higher proportions of linoleic acid biomarkers as percentages of total fatty acid were associated with a lower risk of type 2 diabetes overall (risk ratio [RR] per interquintile range 0·65, 95% CI 0·60-0·72, p<0·0001; I2=53·9%, pheterogeneity=0·002). The associations between linoleic acid biomarkers and type 2 diabetes were generally similar in different lipid compartments, including phospholipids, plasma, cholesterol esters, and adipose tissue. Levels of arachidonic acid biomarker were not significantly associated with type 2 diabetes risk overall (RR per interquintile range 0·96, 95% CI 0·88-1·05; p=0·38; I2=63·0%, pheterogeneity<0·0001). The associations between linoleic acid and arachidonic acid biomarkers and the risk of type 2 diabetes were not significantly modified by any prespecified potential sources of heterogeneity (ie, age, BMI, sex, race, aspirin use, omega-3 PUFA levels, or variants of the FADS gene; all pheterogeneity≥0·13). INTERPRETATION Findings suggest that linoleic acid has long-term benefits for the prevention of type 2 diabetes and that arachidonic acid is not harmful. FUNDING Funders are shown in the appendix.
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Affiliation(s)
- Jason H Y Wu
- The George Institute for Global Health, Faculty of Medicine, University of New South Wales, Sydney, NSW, Australia.
| | - Matti Marklund
- Department of Public Health and Caring Sciences, Clinical Nutrition and Metabolism, Uppsala University, Uppsala, Sweden
| | - Fumiaki Imamura
- Medical Research Council Epidemiology Unit, University of Cambridge, Cambridge, UK
| | - Nathan Tintle
- Department of Mathematics and Statistics, Dordt College, Sioux Center, IA, USA
| | - Andres V Ardisson Korat
- Department of Nutrition and Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Janette de Goede
- Division of Human Nutrition, Wageningen University, Wageningen, Netherlands
| | - Xia Zhou
- School of Public Health, Division of Epidemiology and Community Health, University of Minnesota, Minneapolis, MN, USA
| | - Wei-Sin Yang
- Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan
| | - Marcia C de Oliveira Otto
- Division of Epidemiology, Human Genetics and Environmental Sciences, The University of Texas Health Science Center, School of Public Health, Houston, TX, USA
| | - Janine Kröger
- German Institute of Human Nutrition, Potsdam, Germany
| | | | - Jyrki K Virtanen
- Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland
| | | | - Alexis C Frazier-Wood
- US Department of Agriculture/Agricultural Research Service, Children's Nutrition Research Center, Houston, TX, USA
| | - Maria Lankinen
- Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland
| | | | - Kalina Rajaobelina
- University of Bordeaux, INSERM, Bordeaux Population Health Research Centre, UMR 1219, Bordeaux, France
| | - Liana C Del Gobbo
- Department of Medicine, Division of Cardiovascular Medicine, Stanford University School of Medicine, Stanford, CA, USA
| | - Nita G Forouhi
- Medical Research Council Epidemiology Unit, University of Cambridge, Cambridge, UK
| | - Robert Luben
- Department of Public Health and Primary Care, School of Clinical Medicine, University of Cambridge, Cambridge, UK
| | - Kay-Tee Khaw
- Department of Public Health and Primary Care, School of Clinical Medicine, University of Cambridge, Cambridge, UK; Department of Mathematics and Statistics, Dordt College, Sioux Center, IA, USA
| | - Nick Wareham
- Medical Research Council Epidemiology Unit, University of Cambridge, Cambridge, UK
| | - Anya Kalsbeek
- Department of Mathematics and Statistics, Dordt College, Sioux Center, IA, USA; Department of Biology, Dordt College, Sioux Center, IA, USA
| | - Jenna Veenstra
- Department of Mathematics and Statistics, Dordt College, Sioux Center, IA, USA; Department of Biology, Dordt College, Sioux Center, IA, USA
| | - Juhua Luo
- Department of Epidemiology and Biostatistics, Indiana University, Bloomington, IN, USA
| | - Frank B Hu
- Department of Nutrition and Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - Hung-Ju Lin
- Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | | | - Heiner Boeing
- German Institute of Human Nutrition, Potsdam, Germany
| | - Tzu-An Chen
- US Department of Agriculture/Agricultural Research Service, Children's Nutrition Research Center, Houston, TX, USA
| | - Brian Steffen
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN, USA
| | - Lyn M Steffen
- School of Public Health, Division of Epidemiology and Community Health, University of Minnesota, Minneapolis, MN, USA
| | | | | | | | | | | | | | - Claudine Berr
- INSERM U1061, Neuropsychiatry: Epidemiological and Clinical Research, and Montpellier University Hospital, Montpellier University, Montpellier, France
| | - Catherine Helmer
- University of Bordeaux, INSERM, Bordeaux Population Health Research Centre, UMR 1219, Bordeaux, France
| | - Cecilia Samieri
- University of Bordeaux, INSERM, Bordeaux Population Health Research Centre, UMR 1219, Bordeaux, France
| | - Markku Laakso
- Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland
| | - Michael Y Tsai
- Department of Laboratory Medicine and Pathology, University of Minnesota, Minneapolis, MN, USA
| | | | - Tarja Nurmi
- Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Kuopio, Finland
| | | | | | - Rozenn N Lemaitre
- Cardiovascular Health Research Unit, Department of Medicine, University of Washington, Seattle, WA, USA
| | - Kuo-Liong Chien
- Institute of Epidemiology and Preventive Medicine, College of Public Health, National Taiwan University, Taipei, Taiwan; Department of Internal Medicine, National Taiwan University Hospital, Taipei, Taiwan
| | | | | | - Qi Sun
- Department of Nutrition and Epidemiology, Harvard T.H. Chan School of Public Health, Boston, MA, USA
| | - William S Harris
- Department of Internal Medicine, Sanford School of Medicine, University of South Dakota, Sioux Falls, SD, USA; OmegaQuant Analytics, Sioux Falls, SD, USA
| | - Lars Lind
- Department of Medical Sciences, Uppsala University, Uppsala, Sweden
| | - Johan Ärnlöv
- Department of Neurobiology, Care Sciences and Society, Division of Family Medicine, Karolinska Institute, Stockholm, Sweden; School of Health and Social Studies, Dalarna University, Falun, Sweden
| | - Ulf Riserus
- Department of Public Health and Caring Sciences, Clinical Nutrition and Metabolism, Uppsala University, Uppsala, Sweden
| | - Renata Micha
- Friedman School of Nutrition Science and Policy, Tufts University, Boston, MA, USA
| | - Dariush Mozaffarian
- Friedman School of Nutrition Science and Policy, Tufts University, Boston, MA, USA
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Yu Q, Zhong C. Membrane Aging as the Real Culprit of Alzheimer's Disease: Modification of a Hypothesis. Neurosci Bull 2017; 34:369-381. [PMID: 29177767 DOI: 10.1007/s12264-017-0192-4] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/12/2017] [Accepted: 08/05/2017] [Indexed: 01/10/2023] Open
Abstract
Our previous studies proposed that Alzheimer's disease (AD) is a metabolic disorder and hypothesized that abnormal brain glucose metabolism inducing multiple pathophysiological cascades contributes to AD pathogenesis. Aging is one of the great significant risk factors for AD. Membrane aging is first prone to affect the function and structure of the brain by impairing glucose metabolism. We presume that risk factors of AD, including genetic factors (e.g., the apolipoprotein E ε4 allele and genetic mutations) and non-genetic factors (such as fat, diabetes, and cardiac failure) accelerate biomembrane aging and lead to the onset and development of the disease. In this review, we further modify our previous hypothesis to demonstrate "membrane aging" as an initial pathogenic factor that results in functional and structural alterations of membranes and, consequently, glucose hypometabolism and multiple pathophysiological cascades.
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Affiliation(s)
- Qiujian Yu
- Department of Neurology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China
| | - Chunjiu Zhong
- Department of Neurology, Zhongshan Hospital, Fudan University, Shanghai, 200032, China.
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34
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The in vitro comparative study of the effect of BPA, BPS, BPF and BPAF on human erythrocyte membrane; perturbations in membrane fluidity, alterations in conformational state and damage to proteins, changes in ATP level and Na +/K + ATPase and AChE activities. Food Chem Toxicol 2017; 110:351-359. [PMID: 29079494 DOI: 10.1016/j.fct.2017.10.028] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2017] [Revised: 10/13/2017] [Accepted: 10/17/2017] [Indexed: 01/03/2023]
Abstract
Bisphenols are massively used in the industry, and thus the exposure of biota including humans to these substances has been noted. In this study we have assessed the effect of BPA and its selected analogs, i.e. BPS, BPF and BPAF on membrane of human red blood cells, which is the first barrier that must be overcome by xenobiotics penetrating the cell, and is commonly utilized as a model in the investigation of the effect of different xenobiotics on various cell types. Red blood cells were incubated with BPA and its analogs in the concentrations ranging from 0.1 to 250 μg/ml for 4 h and 24 h. We have noted that the compounds studied altered membrane fluidity at its hydrophobic region, increased internal viscosity and osmotic fragility of the erythrocytes and altered conformational state of membrane proteins. Moreover, bisphenols examined increased thiol groups level, caused oxidative damage to membrane proteins, decreased ATP level, depleted the activity of Na+/K + ATPase and changed the activity of AChE in human red blood cells. It has been shown that the strongest changes were noted in cells treated with BPAF, while BPS caused the weakest (or none) alterations in the parameters studied.
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35
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Szablewski L, Sulima A. The structural and functional changes of blood cells and molecular components in diabetes mellitus. Biol Chem 2017; 398:411-423. [DOI: 10.1515/hsz-2016-0196] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Accepted: 10/14/2016] [Indexed: 12/13/2022]
Abstract
Abstract
It is known fact that diabetes mellitus (DM) affects blood cells. Changes in the erythrocyte membrane, disorder in hemoglobin oxygen-binding and modification in mechanical characteristics, are effects of hyperglycemia on red blood cells. Altered susceptibility infection of patients with diabetes has been ascribed to a depression in the function of polymorphonuclear leukocytes. Neutrophil function in patients with diabetes with good glucose control is slightly different than in healthy ones. DM causes significant changes in lymphocytes metabolism and their functions. Patients with diabetes, presenting with acute coronary syndrome, are at higher risk of cardiovascular complications and recurrent ischemic events in comparison to non-diabetic counterparts. Various mechanisms, including endothelial dysfunction, platelet hyperactivity, and abnormalities in coagulation and fibrynolysis have been implicated for this increased atherothrombotic risk. There are many other alterations of blood cells due to DM. In the present review we focused on modifications of blood cells due to DM. Then, as a second point, we explored how the changes affect functions of red blood cells, white blood cells and platelets.
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Giardina S, Sala-Vila A, Hernández-Alonso P, Calvo C, Salas-Salvadó J, Bulló M. Carbohydrate quality and quantity affects the composition of the red blood cell fatty acid membrane in overweight and obese individuals. Clin Nutr 2017; 37:481-487. [PMID: 28237295 DOI: 10.1016/j.clnu.2017.02.006] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2016] [Revised: 02/01/2017] [Accepted: 02/02/2017] [Indexed: 02/06/2023]
Abstract
BACKGROUND Cell membrane fatty acid (FA) composition may play a role in human metabolic diseases. However, the modulatory effect of nutrients other than fat is poorly explored. OBJECTIVE To investigate the effect of moderate-carbohydrate diets with different glycemic indices (GI) and a low-fat diet (LF) on red blood cell (RBC) FA membrane composition. DESIGN The RBC FA profile was measured in 87 subjects from the GLYNDIET study. Participants were randomly assigned to one of the following energy-restricted diet for 6 months: moderate-carbohydrate/low-GI diet (LGI, n = 31), moderate-carbohydrate/high-GI diet (HGI, n = 30) or LF-diet (n = 26). RESULTS We observed a significant increase in C20:0 and decrease in C20:3n-6 in the LGI and HGI groups compared to LF group. Compared to LF-diet, C22:4n-6 was lower after the HGI while C22:6n-3 was higher after LGI diet. Also, a tendency was found for higher concentrations of long-chain omega-3 polyunsaturated fatty acids (LCn-3PUFA) in LGI compared to HGI and LF groups. The intra-group analysis showed significantly increased levels of total monounsaturated fatty acids (MUFA) after LGI and HGI interventions, as well as a significant increase in C22:5n-6 and a decrease in LCn-3PUFA and omega-3-index after the LF diet. The decrease in C20:5n-3 after HGI and LF diets was also significant. CONCLUSION Diets with a moderate amount of carbohydrates and healthy fat, mainly with LGI, modify the RBC fatty acid membrane composition.
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Affiliation(s)
- Simona Giardina
- Human Nutrition Unit, Faculty of Medicine and Health Sciences, Institute of Health Pere Virgili, Universitat Rovira i Virgili, Reus, Spain
| | - Aleix Sala-Vila
- Lipid Clinic, Endocrinology and Nutrition Service, Hospital Clínic, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
| | - Pablo Hernández-Alonso
- Human Nutrition Unit, Faculty of Medicine and Health Sciences, Institute of Health Pere Virgili, Universitat Rovira i Virgili, Reus, Spain; CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
| | - Carlos Calvo
- Lipid Clinic, Endocrinology and Nutrition Service, Hospital Clínic, Institut d'Investigacions Biomèdiques August Pi i Sunyer (IDIBAPS), Barcelona, Spain; CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
| | - Jordi Salas-Salvadó
- Human Nutrition Unit, Faculty of Medicine and Health Sciences, Institute of Health Pere Virgili, Universitat Rovira i Virgili, Reus, Spain; CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain
| | - Mònica Bulló
- Human Nutrition Unit, Faculty of Medicine and Health Sciences, Institute of Health Pere Virgili, Universitat Rovira i Virgili, Reus, Spain; CIBER Fisiopatología de la Obesidad y Nutrición (CIBEROBN), Instituto de Salud Carlos III (ISCIII), Madrid, Spain.
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Xu H, Ärnlöv J, Sandhagen B, Risérus U, Lindholm B, Lind L, Carrero JJ. Lipophilic index, kidney function, and kidney function decline. Nutr Metab Cardiovasc Dis 2016; 26:1096-1103. [PMID: 27773469 DOI: 10.1016/j.numecd.2016.09.006] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Revised: 08/17/2016] [Accepted: 09/04/2016] [Indexed: 10/21/2022]
Abstract
BACKGROUND AND AIMS Unhealthy dietary fats are associated with faster kidney function decline. The cell membrane composition of phospholipid fatty acids (FAs) is a determinant of membrane fluidity and rheological properties. These properties, which have been linked to kidney damage, are thought to be reflected by the lipophilic index (LI). We prospectively investigated the associations of LI with kidney function and its decline. METHODS AND RESULTS Observational study from the Prospective Investigation of Vasculature in Uppsala Seniors including 975 men and women with plasma phospholipid FAs composition and cystatin-C estimate glomerular filtration rate (eGFR). Of these, 780 attended re-examination after 5 years, and eGFR changes were assessed. Participants with a 5-year eGFR reduction ≥30% were considered chronic kidney disease (CKD) progressors (n = 198). LI was calculated as the sum of the products of the FA proportions with the respective FAs melting points. Blood rheology/viscosity measurements were performed in a random subsample of 559 subjects at baseline. Increased LI showed a statistically significant but overall weak association with blood, plasma viscosity (both Spearman rho = 0.16, p < 0.01), and erythrocyte deformability (rho = -0.09, p < 0.05). In cross-sectional analyses, LI associated with lower eGFR (regression coefficient 3.00 ml/min/1.73 m2 1-standard deviation (SD) increment in LI, 95% CI: -4.31, -1.69, p < 0.001). In longitudinal analyses, LI associated with a faster eGFR decline (-2.13 [95% CI -3.58, -0.69] ml/min/1.73 m2, p < 0.01) and with 32% increased odds of CKD progression (adjusted OR 1.32 [95%, CI 1.05-1.65]). CONCLUSIONS A high LI was associated with lower kidney function, kidney function decline, and CKD progression.
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Affiliation(s)
- H Xu
- Divisions of Renal Medicine and Baxter Novum, Karolinska Institutet, Stockholm, Sweden
| | - J Ärnlöv
- Department of Medical Sciences, Cardiovascular Epidemiology, Uppsala University, Uppsala, Sweden; School of Health and Social Studies, Dalarna University, Falun, Sweden
| | - B Sandhagen
- Department of Medical Sciences, Cardiovascular Epidemiology, Uppsala University, Uppsala, Sweden
| | - U Risérus
- Department of Public Health and Caring Sciences, Clinical Nutrition and Metabolism, Uppsala University, Uppsala, Sweden
| | - B Lindholm
- Divisions of Renal Medicine and Baxter Novum, Karolinska Institutet, Stockholm, Sweden
| | - L Lind
- Department of Medical Sciences, Cardiovascular Epidemiology, Uppsala University, Uppsala, Sweden
| | - J J Carrero
- Divisions of Renal Medicine and Baxter Novum, Karolinska Institutet, Stockholm, Sweden; Center for Molecular Medicine, Karolinska Institutet, Stockholm, Sweden.
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Abstract
Fundamental questions remain unresolved in diabetes: What is the actual mechanism of glucose toxicity? Why is there insulin resistance in type 2 diabetes? Why do diets rich in sugars or saturated fatty acids increase the risk of developing diabetes? Studying the C. elegans homologs of the anti-diabetic adiponectin receptors (AdipoR1 and AdipoR2) has led us to exciting new discoveries and to revisit what may be termed “The Membrane Theory of Diabetes”. We hypothesize that excess saturated fatty acids (obtained through a diet rich in saturated fats or through conversion of sugars into saturated fats via lipogenesis) leads to rigid cellular membranes that in turn impair insulin signalling, glucose uptake and blood circulation, thus creating a vicious cycle that contributes to the development of overt type 2 diabetes. This hypothesis is supported by our own studies in C. elegans and by a wealth of literature concerning membrane composition in diabetics. The purpose of this review is to survey this literature in the light of the new results, and to provide an admittedly membrane-centric view of diabetes.
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Pacetti D, Gagliardi R, Balzano M, Frega NG, Ojeda ML, Borrero M, Ruiz A, Lucci P. Changes in the Fatty Acid Profile and Phospholipid Molecular Species Composition of Human Erythrocyte Membranes after Hybrid Palm and Extra Virgin Olive Oil Supplementation. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2016; 64:5499-5507. [PMID: 27315139 DOI: 10.1021/acs.jafc.6b01903] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/06/2023]
Abstract
This work aims to evaluate and compare, for the first time, the effects of extra virgin olive oil (EVOO) and hybrid palm oil (HPO) supplementation on the fatty acid profile and phospholipid (PL) molecular species composition of human erythrocyte membranes. Results supported the effectiveness of both HPO and EVOO supplementation (3 months, 25 mL/day) in decreasing the lipophilic index of erythrocytes with no significant differences between HPO and EVOO groups at month 3. On the other hand, the novel and rapid ultraperformance liquid chromatography-tandem mass spectrometry method used for PL analysis reveals an increase in the levels of phosphatidylcholine and phosphatidylethanolamine species esterified with polyunsaturated fatty acids. This work demonstrates the ability of both EVOO and HPO to increase the degree of unsaturation of erythrocyte membrane lipids with an improvement in membrane fluidity that could be associated with a lower risk of developing cardiovascular diseases.
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Affiliation(s)
- D Pacetti
- Department of Agricultural, Food, and Environmental Sciences, Polytechnic University of Marche , Via Brecce Bianche, 60131 Ancona, Italy
| | - R Gagliardi
- Department of Agricultural, Food, and Environmental Sciences, Polytechnic University of Marche , Via Brecce Bianche, 60131 Ancona, Italy
| | - M Balzano
- Department of Agricultural, Food, and Environmental Sciences, Polytechnic University of Marche , Via Brecce Bianche, 60131 Ancona, Italy
| | - N G Frega
- Department of Agricultural, Food, and Environmental Sciences, Polytechnic University of Marche , Via Brecce Bianche, 60131 Ancona, Italy
| | - M L Ojeda
- Department of Nutrition and Biochemistry, Faculty of Sciences, Pontificia Universidad Javeriana , KR 7 #40-62, Bogota D.C., Columbia
| | - M Borrero
- Department of Nutrition and Biochemistry, Faculty of Sciences, Pontificia Universidad Javeriana , KR 7 #40-62, Bogota D.C., Columbia
| | - A Ruiz
- Department of Internal Medicine, School of Medicine, Pontificia Universidad Javeriana , KR 7 #40-62, Bogota D.C., Columbia
| | - P Lucci
- Department of Agri-food, Environmental and Animal Sciences, University of Udine , Via Sondrio 2/a, 33100 Udine, Italy
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Imamura F, Micha R, Wu JHY, de Oliveira Otto MC, Otite FO, Abioye AI, Mozaffarian D. Effects of Saturated Fat, Polyunsaturated Fat, Monounsaturated Fat, and Carbohydrate on Glucose-Insulin Homeostasis: A Systematic Review and Meta-analysis of Randomised Controlled Feeding Trials. PLoS Med 2016; 13:e1002087. [PMID: 27434027 PMCID: PMC4951141 DOI: 10.1371/journal.pmed.1002087] [Citation(s) in RCA: 285] [Impact Index Per Article: 35.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/03/2015] [Accepted: 06/10/2016] [Indexed: 11/21/2022] Open
Abstract
BACKGROUND Effects of major dietary macronutrients on glucose-insulin homeostasis remain controversial and may vary by the clinical measures examined. We aimed to assess how saturated fat (SFA), monounsaturated fat (MUFA), polyunsaturated fat (PUFA), and carbohydrate affect key metrics of glucose-insulin homeostasis. METHODS AND FINDINGS We systematically searched multiple databases (PubMed, EMBASE, OVID, BIOSIS, Web-of-Knowledge, CAB, CINAHL, Cochrane Library, SIGLE, Faculty1000) for randomised controlled feeding trials published by 26 Nov 2015 that tested effects of macronutrient intake on blood glucose, insulin, HbA1c, insulin sensitivity, and insulin secretion in adults aged ≥18 years. We excluded trials with non-isocaloric comparisons and trials providing dietary advice or supplements rather than meals. Studies were reviewed and data extracted independently in duplicate. Among 6,124 abstracts, 102 trials, including 239 diet arms and 4,220 adults, met eligibility requirements. Using multiple-treatment meta-regression, we estimated dose-response effects of isocaloric replacements between SFA, MUFA, PUFA, and carbohydrate, adjusted for protein, trans fat, and dietary fibre. Replacing 5% energy from carbohydrate with SFA had no significant effect on fasting glucose (+0.02 mmol/L, 95% CI = -0.01, +0.04; n trials = 99), but lowered fasting insulin (-1.1 pmol/L; -1.7, -0.5; n = 90). Replacing carbohydrate with MUFA lowered HbA1c (-0.09%; -0.12, -0.05; n = 23), 2 h post-challenge insulin (-20.3 pmol/L; -32.2, -8.4; n = 11), and homeostasis model assessment for insulin resistance (HOMA-IR) (-2.4%; -4.6, -0.3; n = 30). Replacing carbohydrate with PUFA significantly lowered HbA1c (-0.11%; -0.17, -0.05) and fasting insulin (-1.6 pmol/L; -2.8, -0.4). Replacing SFA with PUFA significantly lowered glucose, HbA1c, C-peptide, and HOMA. Based on gold-standard acute insulin response in ten trials, PUFA significantly improved insulin secretion capacity (+0.5 pmol/L/min; 0.2, 0.8) whether replacing carbohydrate, SFA, or even MUFA. No significant effects of any macronutrient replacements were observed for 2 h post-challenge glucose or insulin sensitivity (minimal-model index). Limitations included a small number of trials for some outcomes and potential issues of blinding, compliance, generalisability, heterogeneity due to unmeasured factors, and publication bias. CONCLUSIONS This meta-analysis of randomised controlled feeding trials provides evidence that dietary macronutrients have diverse effects on glucose-insulin homeostasis. In comparison to carbohydrate, SFA, or MUFA, most consistent favourable effects were seen with PUFA, which was linked to improved glycaemia, insulin resistance, and insulin secretion capacity.
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Affiliation(s)
- Fumiaki Imamura
- Medical Research Council Epidemiology Unit, Institute of Metabolic Science, University of Cambridge School of Clinical Medicine, Cambridge Biomedical Campus, Cambridge, United Kingdom
| | - Renata Micha
- Tufts Friedman School of Nutrition Science & Policy, Boston, Massachusetts, United States of America
| | - Jason H. Y. Wu
- George Institute for Global Health, The University of Sydney, Sydney Medical School, Camperdown, Australia
| | - Marcia C. de Oliveira Otto
- Department of Epidemiology, Human Genetics & Environmental Sciences, The University of Texas Health Science Center at Houston, Houston, Texas, United States of America
| | - Fadar O. Otite
- Department of Neurology, University of Miami Miller School of Medicine/Jackson Memorial Hospital, Miami, Florida, United States of America
| | - Ajibola I. Abioye
- Department of Global Health and Population, Harvard T. H. Chan School of Public Health, Boston, Massachusetts, United States of America
| | - Dariush Mozaffarian
- Tufts Friedman School of Nutrition Science & Policy, Boston, Massachusetts, United States of America
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41
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Svensk E, Devkota R, Ståhlman M, Ranji P, Rauthan M, Magnusson F, Hammarsten S, Johansson M, Borén J, Pilon M. Caenorhabditis elegans PAQR-2 and IGLR-2 Protect against Glucose Toxicity by Modulating Membrane Lipid Composition. PLoS Genet 2016; 12:e1005982. [PMID: 27082444 PMCID: PMC4833288 DOI: 10.1371/journal.pgen.1005982] [Citation(s) in RCA: 39] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/08/2015] [Accepted: 03/16/2016] [Indexed: 12/19/2022] Open
Abstract
In spite of the worldwide impact of diabetes on human health, the mechanisms behind glucose toxicity remain elusive. Here we show that C. elegans mutants lacking paqr-2, the worm homolog of the adiponectin receptors AdipoR1/2, or its newly identified functional partner iglr-2, are glucose intolerant and die in the presence of as little as 20 mM glucose. Using FRAP (Fluorescence Recovery After Photobleaching) on living worms, we found that cultivation in the presence of glucose causes a decrease in membrane fluidity in paqr-2 and iglr-2 mutants and that genetic suppressors of this sensitivity act to restore membrane fluidity by promoting fatty acid desaturation. The essential roles of paqr-2 and iglr-2 in the presence of glucose are completely independent from daf-2 and daf-16, the C. elegans homologs of the insulin receptor and its downstream target FoxO, respectively. Using bimolecular fluorescence complementation, we also show that PAQR-2 and IGLR-2 interact on plasma membranes and thus may act together as a fluidity sensor that controls membrane lipid composition.
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Affiliation(s)
- Emma Svensk
- Department of Chemistry and Molecular Biology, University of Gothenburg, Gothenburg, Sweden
| | - Ranjan Devkota
- Department of Chemistry and Molecular Biology, University of Gothenburg, Gothenburg, Sweden
| | - Marcus Ståhlman
- Department of Molecular and Clinical Medicine/Wallenberg Laboratory, Institute of Medicine, University of Gothenburg, Gothenburg, Sweden
| | - Parmida Ranji
- Department of Chemistry and Molecular Biology, University of Gothenburg, Gothenburg, Sweden
| | - Manish Rauthan
- Department of Chemistry and Molecular Biology, University of Gothenburg, Gothenburg, Sweden
| | - Fredrik Magnusson
- Department of Chemistry and Molecular Biology, University of Gothenburg, Gothenburg, Sweden
| | - Sofia Hammarsten
- Department of Chemistry and Molecular Biology, University of Gothenburg, Gothenburg, Sweden
| | - Maja Johansson
- Department of Chemistry and Molecular Biology, University of Gothenburg, Gothenburg, Sweden
| | - Jan Borén
- Department of Molecular and Clinical Medicine/Wallenberg Laboratory, Institute of Medicine, University of Gothenburg, Gothenburg, Sweden
| | - Marc Pilon
- Department of Chemistry and Molecular Biology, University of Gothenburg, Gothenburg, Sweden
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Sousa B, Melo T, Campos A, Moreira AS, Maciel E, Domingues P, Carvalho RP, Rodrigues TR, Girão H, Domingues MRM. Alteration in Phospholipidome Profile of Myoblast H9c2 Cell Line in a Model of Myocardium Starvation and Ischemia. J Cell Physiol 2016; 231:2266-74. [DOI: 10.1002/jcp.25344] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2016] [Accepted: 02/12/2016] [Indexed: 02/02/2023]
Affiliation(s)
- Bebiana Sousa
- Department of Chemistry; Mass Spectrometry Center; QOPNA; University of Aveiro; Aveiro Portugal
| | - Tânia Melo
- Department of Chemistry; Mass Spectrometry Center; QOPNA; University of Aveiro; Aveiro Portugal
| | - Ana Campos
- Department of Chemistry; Mass Spectrometry Center; QOPNA; University of Aveiro; Aveiro Portugal
| | - Ana S.P. Moreira
- Department of Chemistry; Mass Spectrometry Center; QOPNA; University of Aveiro; Aveiro Portugal
| | - Elisabete Maciel
- Department of Chemistry; Mass Spectrometry Center; QOPNA; University of Aveiro; Aveiro Portugal
- Department of Biology & CESAM; University of Aveiro, Campus Universitário de Santiago; 3810-193 Aveiro Portugal
| | - Pedro Domingues
- Department of Chemistry; Mass Spectrometry Center; QOPNA; University of Aveiro; Aveiro Portugal
| | - Rita Pereira Carvalho
- Institute of Biomedical Imaging and Life Sciences (IBILI); Faculty of Medicine; University of Coimbra; Coimbra Portugal
| | - Teresa Ribeiro Rodrigues
- Institute of Biomedical Imaging and Life Sciences (IBILI); Faculty of Medicine; University of Coimbra; Coimbra Portugal
| | - Henrique Girão
- Institute of Biomedical Imaging and Life Sciences (IBILI); Faculty of Medicine; University of Coimbra; Coimbra Portugal
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Yang Z, Wi Y, Yoon YM, Verwilst P, Jang JH, Kim TW, Kang C, Kim JS. BODIPY/Nile-Red-Based Efficient FRET Pair: Selective Assay of Endoplasmic Reticulum Membrane Fluidity. Chem Asian J 2015; 11:527-31. [PMID: 26537552 DOI: 10.1002/asia.201501060] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/02/2015] [Revised: 10/31/2015] [Indexed: 12/26/2022]
Affiliation(s)
- Zhigang Yang
- Department of Chemistry; Korea University; Seoul 136-701 Korea
- Key Laboratory of optoelectronic devices and systems of ministry of education and Guangdong province, College of optoelectronic engineering; Shenzhen University; Shenzhen 518060 China
| | - Youngjin Wi
- The School of East-West Medical Science; Kyung Hee University; Yongin 446-701 Korea
| | - Young-Min Yoon
- The School of East-West Medical Science; Kyung Hee University; Yongin 446-701 Korea
| | - Peter Verwilst
- Department of Chemistry; Korea University; Seoul 136-701 Korea
| | - Joo Hee Jang
- Department of Chemistry; Korea University; Seoul 136-701 Korea
| | - Tae Woo Kim
- The School of East-West Medical Science; Kyung Hee University; Yongin 446-701 Korea
| | - Chulhun Kang
- The School of East-West Medical Science; Kyung Hee University; Yongin 446-701 Korea
| | - Jong Seung Kim
- Department of Chemistry; Korea University; Seoul 136-701 Korea
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44
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Wu JHY, Lemaitre RN, King IB, Song X, Psaty BM, Siscovick DS, Mozaffarian D. Response to Letters Regarding Article, "Circulating Omega-6 Polyunsaturated Fatty Acids and Total and Cause-Specific Mortality: The Cardiovascular Health Study". Circulation 2015. [PMID: 26195495 DOI: 10.1161/circulationaha.115.014853] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/16/2022]
Affiliation(s)
- Jason H Y Wu
- George Institute for Global Health, Sydney Medical School, University of Sydney, Sydney, NSW, Australia
| | - Rozenn N Lemaitre
- Cardiovascular Health Research Unit, Department of Medicine, University of Washington, Seattle, WA
| | - Irena B King
- Department of Internal Medicine, University of New Mexico, Albuquerque, NM
| | - Xiaoling Song
- Public Health Sciences Division, Fred Hutchinson Cancer Research Center, Seattle, WA
| | - Bruce M Psaty
- Cardiovascular Health Research Unit, Department of Medicine, University of Washington, Seattle, WADepartment of Epidemiology, University of Washington, Seattle, WADepartment of Health Services, University of Washington, Seattle, WAGroup Health Research Institute, Group Health Cooperative, Seattle, WA
| | | | - Dariush Mozaffarian
- Friedman School of Nutrition Science and Policy, Tufts University, Boston, MA
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