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O’Donovan SD, Rundle M, Thomas EL, Bell JD, Frost G, Jacobs DM, Wanders A, de Vries R, Mariman EC, van Baak MA, Sterkman L, Nieuwdorp M, Groen AK, Arts IC, van Riel NA, Afman LA. Quantifying the effect of nutritional interventions on metabolic resilience using personalized computational models. iScience 2024; 27:109362. [PMID: 38500825 PMCID: PMC10946327 DOI: 10.1016/j.isci.2024.109362] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2023] [Revised: 10/27/2023] [Accepted: 02/26/2024] [Indexed: 03/20/2024] Open
Abstract
The manifestation of metabolic deteriorations that accompany overweight and obesity can differ greatly between individuals, giving rise to a highly heterogeneous population. This inter-individual variation can impede both the provision and assessment of nutritional interventions as multiple aspects of metabolic health should be considered at once. Here, we apply the Mixed Meal Model, a physiology-based computational model, to characterize an individual's metabolic health in silico. A population of 342 personalized models were generated using data for individuals with overweight and obesity from three independent intervention studies, demonstrating a strong relationship between the model-derived metric of insulin resistance (ρ = 0.67, p < 0.05) and the gold-standard hyperinsulinemic-euglycemic clamp. The model is also shown to quantify liver fat accumulation and β-cell functionality. Moreover, we show that personalized Mixed Meal Models can be used to evaluate the impact of a dietary intervention on multiple aspects of metabolic health at the individual level.
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Affiliation(s)
- Shauna D. O’Donovan
- Division of Human Nutrition and Health, Wageningen University, Wageningen, the Netherlands
- Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, the Netherlands
- Eindhoven Artificial Intelligence Systems Institute (EAISI), Eindhoven University of Technology, Eindhoven, the Netherlands
| | - Milena Rundle
- Division of Diabetes, Endocrinology, and Metabolism, Department of Medicine, Imperial College London, London, UK
| | - E. Louise Thomas
- Research Center for Optimal Health, School of Life Sciences, University of Westminster, London, the United Kingdom
| | - Jimmy D. Bell
- Research Center for Optimal Health, School of Life Sciences, University of Westminster, London, the United Kingdom
| | - Gary Frost
- Division of Diabetes, Endocrinology, and Metabolism, Department of Medicine, Imperial College London, London, UK
| | - Doris M. Jacobs
- Science & Technology, Unilever Foods Innovation Center, Wageningen, the Netherlands
| | - Anne Wanders
- Science & Technology, Unilever Foods Innovation Center, Wageningen, the Netherlands
| | - Ryan de Vries
- Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, the Netherlands
| | - Edwin C.M. Mariman
- Department of Human Biology, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, the Netherlands
| | - Marleen A. van Baak
- Department of Human Biology, NUTRIM School of Nutrition and Translational Research in Metabolism, Maastricht University, Maastricht, the Netherlands
| | - Luc Sterkman
- Caelus Pharmaceuticals, Zegveld, the Netherlands
| | - Max Nieuwdorp
- Vascular Medicine, Amsterdam UMC Locatie, AMC, Amsterdam, the Netherlands
| | - Albert K. Groen
- Vascular Medicine, Amsterdam UMC Locatie, AMC, Amsterdam, the Netherlands
| | - Ilja C.W. Arts
- Maastricht Centre for Systems Biology (MaCSBio), Maastricht University, Maastricht, the Netherlands
| | - Natal A.W. van Riel
- Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, the Netherlands
- Eindhoven Artificial Intelligence Systems Institute (EAISI), Eindhoven University of Technology, Eindhoven, the Netherlands
| | - Lydia A. Afman
- Division of Human Nutrition and Health, Wageningen University, Wageningen, the Netherlands
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Rundle M, Fiamoncini J, Thomas EL, Wopereis S, Afman LA, Brennan L, Drevon CA, Gundersen TE, Daniel H, Perez IG, Posma JM, Ivanova DG, Bell JD, van Ommen B, Frost G. Diet-induced Weight Loss and Phenotypic Flexibility Among Healthy Overweight Adults: A Randomized Trial. Am J Clin Nutr 2023; 118:591-604. [PMID: 37661105 PMCID: PMC10517213 DOI: 10.1016/j.ajcnut.2023.07.002] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2022] [Revised: 06/28/2023] [Accepted: 07/03/2023] [Indexed: 09/05/2023] Open
Abstract
BACKGROUND The capacity of an individual to respond to changes in food intake so that postprandial metabolic perturbations are resolved, and metabolism returns to its pre-prandial state, is called phenotypic flexibility. This ability may be a more important indicator of current health status than metabolic markers in a fasting state. AIM In this parallel randomized controlled trial study, an energy-restricted healthy diet and 2 dietary challenges were used to assess the effect of weight loss on phenotypic flexibility. METHODS Seventy-two volunteers with overweight and obesity underwent a 12-wk dietary intervention. The participants were randomized to a weight loss group (WLG) with 20% less energy intake or a weight-maintenance group (WMG). At weeks 1 and 12, participants were assessed for body composition by MRI. Concurrently, markers of metabolism and insulin sensitivity were obtained from the analysis of plasma metabolome during 2 different dietary challenges-an oral glucose tolerance test (OGTT) and a mixed-meal tolerance test. RESULTS Intended weight loss was achieved in the WLG (-5.6 kg, P < 0.0001) and induced a significant reduction in total and regional adipose tissue as well as ectopic fat in the liver. Amino acid-based markers of insulin action and resistance such as leucine and glutamate were reduced in the postprandial phase of the OGTT in the WLG by 11.5% and 28%, respectively, after body weight reduction. Weight loss correlated with the magnitude of changes in metabolic responses to dietary challenges. Large interindividual variation in metabolic responses to weight loss was observed. CONCLUSION Application of dietary challenges increased sensitivity to detect metabolic response to weight loss intervention. Large interindividual variation was observed across a wide range of measurements allowing the identification of distinct responses to the weight loss intervention and mechanistic insight into the metabolic response to weight loss.
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Affiliation(s)
- Milena Rundle
- Section of Nutrition, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, United Kingdom
| | - Jarlei Fiamoncini
- Food Research Center, Department of Food Science and Experimental Nutrition, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
| | - E Louise Thomas
- Research Centre for Optimal Health, School of Life Sciences, University of Westminster, London, United Kingdom
| | - Suzan Wopereis
- Department of Microbiology and Systems Biology, Netherlands Organization for Applied Scientific Research, Hague, The Netherlands
| | - Lydia A Afman
- Division of Human Nutrition and Health, Wageningen University, Wageningen, The Netherlands
| | - Lorraine Brennan
- UCD School of Agriculture and Food Science, Institute of Food and Health, University College Dublin, Belfield, Dublin, Ireland
| | - Christian A Drevon
- Department of Nutrition, Institute of Basic Medical Sciences, Faculty of Medicine, University of Oslo, Oslo, Norway; Vitas Ltd, Oslo Science Park, Oslo, Norway
| | | | - Hannelore Daniel
- Hannelore Daniel, Molecular Nutrition Unit, Technische Universität München, München, Germany
| | - Isabel Garcia Perez
- Section of Nutrition, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, United Kingdom
| | - Joram M Posma
- Section of Bioinformatics, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, United Kingdom
| | - Diana G Ivanova
- Department of Biochemistry, Molecular Medicine and Nutrigenomics, Faculty of Pharmacy, Medical University, Varna, Bulgaria
| | - Jimmy D Bell
- Research Centre for Optimal Health, School of Life Sciences, University of Westminster, London, United Kingdom
| | - Ben van Ommen
- Department of Microbiology and Systems Biology, Netherlands Organization for Applied Scientific Research, Hague, The Netherlands
| | - Gary Frost
- Section of Nutrition, Department of Metabolism, Digestion and Reproduction, Faculty of Medicine, Imperial College London, London, United Kingdom.
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O'Donovan SD, Erdős B, Jacobs DM, Wanders AJ, Thomas EL, Bell JD, Rundle M, Frost G, Arts ICW, Afman LA, van Riel NAW. Quantifying the contribution of triglycerides to metabolic resilience through the mixed meal model. iScience 2022; 25:105206. [PMID: 36281448 DOI: 10.1016/j.isci.2022.105206] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2022] [Revised: 09/01/2022] [Accepted: 09/22/2022] [Indexed: 11/26/2022] Open
Abstract
Despite the pivotal role played by elevated circulating triglyceride levels in the pathophysiology of cardio-metabolic diseases many of the indices used to quantify metabolic health focus on deviations in glucose and insulin alone. We present the Mixed Meal Model, a computational model describing the systemic interplay between triglycerides, free fatty acids, glucose, and insulin. We show that the Mixed Meal Model can capture deviations in the post-meal excursions of plasma glucose, insulin, and triglyceride that are indicative of features of metabolic resilience; quantifying insulin resistance and liver fat; validated by comparison to gold-standard measures. We also demonstrate that the Mixed Meal Model is generalizable, applying it to meals with diverse macro-nutrient compositions. In this way, by coupling triglycerides to the glucose-insulin system the Mixed Meal Model provides a more holistic assessment of metabolic resilience from meal response data, quantifying pre-clinical metabolic deteriorations that drive disease development in overweight and obesity.
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Affiliation(s)
- Shauna D O'Donovan
- Division of Human Nutrition and Health, Wageningen University, Wageningen, the Netherlands.,Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, the Netherlands.,Eindhoven Artifical Intelligence Systems Institute (EAISI), Eindhoven University of Technology, Eindhoven, the Netherlands
| | - Balázs Erdős
- Maastricht Centre for Systems Biology (MaCSBio), Maastricht University, Maastricht, the Netherlands
| | - Doris M Jacobs
- Unilever Global Food Innovation Centre, Bronland 14, 6708WH Wageningen, the Netherlands
| | - Anne J Wanders
- Unilever Global Food Innovation Centre, Bronland 14, 6708WH Wageningen, the Netherlands
| | - E Louise Thomas
- Research Center for Optimal Health, School of Life Sciences, University of Westminster, London, UK
| | - Jimmy D Bell
- Research Center for Optimal Health, School of Life Sciences, University of Westminster, London, UK
| | - Milena Rundle
- Division of Diabetes, Endocrinology, and Metabolism, Department of Medicine, Imperial College London, London, UK
| | - Gary Frost
- Division of Diabetes, Endocrinology, and Metabolism, Department of Medicine, Imperial College London, London, UK
| | - Ilja C W Arts
- Maastricht Centre for Systems Biology (MaCSBio), Maastricht University, Maastricht, the Netherlands
| | - Lydia A Afman
- Division of Human Nutrition and Health, Wageningen University, Wageningen, the Netherlands
| | - Natal A W van Riel
- Department of Biomedical Engineering, Eindhoven University of Technology, Eindhoven, the Netherlands.,Eindhoven Artifical Intelligence Systems Institute (EAISI), Eindhoven University of Technology, Eindhoven, the Netherlands
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Fiamoncini J, Donado-Pestana CM, Duarte GBS, Rundle M, Thomas EL, Kiselova-Kaneva Y, Gundersen TE, Bunzel D, Trezzi JP, Kulling SE, Hiller K, Sonntag D, Ivanova D, Brennan L, Wopereis S, van Ommen B, Frost G, Bell J, Drevon CA, Daniel H. Plasma Metabolic Signatures of Healthy Overweight Subjects Challenged With an Oral Glucose Tolerance Test. Front Nutr 2022; 9:898782. [PMID: 35774538 PMCID: PMC9237474 DOI: 10.3389/fnut.2022.898782] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2022] [Accepted: 05/05/2022] [Indexed: 01/02/2023] Open
Abstract
Insulin secretion following ingestion of a carbohydrate load affects a multitude of metabolic pathways that simultaneously change direction and quantity of interorgan fluxes of sugars, lipids and amino acids. In the present study, we aimed at identifying markers associated with differential responses to an OGTT a population of healthy adults. By use of three metabolite profiling platforms, we assessed these postprandial responses of a total of 202 metabolites in plasma of 72 healthy volunteers undergoing comprehensive phenotyping and of which half enrolled into a weight-loss program over a three-month period. A standard oral glucose tolerance test (OGTT) served as dietary challenge test to identify changes in postprandial metabolite profiles. Despite classified as healthy according to WHO criteria, two discrete clusters (A and B) were identified based on the postprandial glucose profiles with a balanced distribution of volunteers based on gender and other measures. Cluster A individuals displayed 26% higher postprandial glucose levels, delayed glucose clearance and increased fasting plasma concentrations of more than 20 known biomarkers of insulin resistance and diabetes previously identified in large cohort studies. The volunteers identified by canonical postprandial responses that form cluster A may be called pre-pre-diabetics and defined as “at risk” for development of insulin resistance. Moreover, postprandial changes in selected fatty acids and complex lipids, bile acids, amino acids, acylcarnitines and sugars like mannose revealed marked differences in the responses seen in cluster A and cluster B individuals that sustained over the entire challenge test period of 240 min. Almost all metabolites, including glucose and insulin, returned to baseline values at the end of the test (at 240 min), except a variety of amino acids and here those that have been linked to diabetes development. Analysis of the corresponding metabolite profile in a fasting blood sample may therefore allow for early identification of these subjects at risk for insulin resistance without the need to undergo an OGTT.
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Affiliation(s)
- Jarlei Fiamoncini
- Department Food and Nutrition, Technische Universität München, Freising, Germany
- Food Research Center, Department of Food Science and Experimental Nutrition, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
| | - Carlos M. Donado-Pestana
- Food Research Center, Department of Food Science and Experimental Nutrition, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
| | - Graziela Biude Silva Duarte
- Food Research Center, Department of Food Science and Experimental Nutrition, School of Pharmaceutical Sciences, University of São Paulo, São Paulo, Brazil
| | - Milena Rundle
- Division of Diabetes, Endocrinology and Metabolism, Department of Medicine, Imperial College London, London, United Kingdom
| | - Elizabeth Louise Thomas
- Research Centre for Optimal Health, School of Life Sciences, University of Westminster, London, United Kingdom
| | - Yoana Kiselova-Kaneva
- Department of Biochemistry, Molecular Medicine and Nutrigenomics, Medical University, Varna, Bulgaria
| | | | - Diana Bunzel
- Department of Safety and Quality of Fruit and Vegetables, Federal Research Institute of Nutrition and Food, Max Rubner-Institut, Karlsruhe, Germany
| | - Jean-Pierre Trezzi
- Braunschweig Integrated Centre of Systems Biology, University of Braunschweig, Braunschweig, Germany
- Department of Computational Biology of Infection Research, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Sabine E. Kulling
- Department of Safety and Quality of Fruit and Vegetables, Federal Research Institute of Nutrition and Food, Max Rubner-Institut, Karlsruhe, Germany
| | - Karsten Hiller
- Braunschweig Integrated Centre of Systems Biology, University of Braunschweig, Braunschweig, Germany
- Department of Computational Biology of Infection Research, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | | | - Diana Ivanova
- Department of Biochemistry, Molecular Medicine and Nutrigenomics, Medical University, Varna, Bulgaria
| | - Lorraine Brennan
- UCD School of Agriculture and Food Science, Institute of Food and Health, Conway Institute, University College Dublin, Dublin, Ireland
| | - Suzan Wopereis
- Netherlands Organisation for Applied Scientific Research, Netherlands Institute for Applied Scientific Research, Microbiology and Systems Biology, Zeist, Netherlands
| | - Ben van Ommen
- Netherlands Organisation for Applied Scientific Research, Netherlands Institute for Applied Scientific Research, Microbiology and Systems Biology, Zeist, Netherlands
| | - Gary Frost
- Division of Diabetes, Endocrinology and Metabolism, Department of Medicine, Imperial College London, London, United Kingdom
| | - Jimmy Bell
- Research Centre for Optimal Health, School of Life Sciences, University of Westminster, London, United Kingdom
| | - Christian A. Drevon
- Vitas Ltd., Oslo Science Park, Oslo, Norway
- Department of Nutrition, Faculty of Medicine, Institute of Basic Medical Sciences, University of Oslo, Oslo, Norway
| | - Hannelore Daniel
- Department Food and Nutrition, Technische Universität München, Freising, Germany
- *Correspondence: Hannelore Daniel
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Yin X, Gibbons H, Rundle M, Frost G, McNulty BA, Nugent AP, Walton J, Flynn A, Brennan L. The Relationship between Fish Intake and Urinary Trimethylamine-N-Oxide. Mol Nutr Food Res 2020; 64:e1900799. [PMID: 31863680 DOI: 10.1002/mnfr.201900799] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/25/2019] [Revised: 12/05/2019] [Indexed: 12/14/2022]
Abstract
SCOPE Fish intake is reported to be associated with certain health benefits; however, accurate assessment of fish intake is still problematic. The objective of this study is to identify fish intake biomarkers and examine relationships with health parameters in a free-living population. METHODS AND RESULTS In the NutriTech study, ten participants randomized into the fish group consume increasing quantities of fish for 3 days per week for 3 weeks. Urine is analyzed by NMR spectroscopy. Trimethylamine-N-oxide (TMAO), dimethylamine, and dimethyl sulfone are identified and display significant dose-response with intake (p < 0.05). Fish consumption yields a greater increase in urinary TMAO compared to red meat. Biomarker-derived fish intake is calculated in the National Adult Nutrition Survey cross-sectional study. However, the correlation between fish intake and TMAO (r = 0.148, p < 0.01) and that between fish intake and calculated fish intake (r = 0.142, p < 0.01) are poor. In addition, TMAO shows significantly positive correlation with serum insulin and insulin resistance in males and the relationship is more pronounced for males with high dietary fat intake. CONCLUSION Urinary TMAO displays a strong dose-response relationship with fish intake; however, use of TMAO alone is insufficient to determine fish intake in a free-living population.
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Affiliation(s)
- Xiaofei Yin
- UCD School of Agriculture and Food Science, Institute of Food and Health, University College Dublin, Dublin, Ireland
| | - Helena Gibbons
- UCD School of Agriculture and Food Science, Institute of Food and Health, University College Dublin, Dublin, Ireland
| | - Milena Rundle
- Faculty of Medicine, Department of Medicine, Imperial College London, London, UK
| | - Gary Frost
- Faculty of Medicine, Department of Medicine, Imperial College London, London, UK
| | - Breige A McNulty
- UCD School of Agriculture and Food Science, Institute of Food and Health, University College Dublin, Dublin, Ireland
| | - Anne P Nugent
- UCD School of Agriculture and Food Science, Institute of Food and Health, University College Dublin, Dublin, Ireland.,Institute for Global Food Security, School of Biological Sciences, Queens University Belfast, Northern Ireland
| | - Janette Walton
- School of Food and Nutritional Sciences, University College Cork, Cork, Ireland.,Department of Biological Sciences, Cork Institute of Technology, Cork, Ireland
| | - Albert Flynn
- School of Food and Nutritional Sciences, University College Cork, Cork, Ireland
| | - Lorraine Brennan
- UCD School of Agriculture and Food Science, Institute of Food and Health, University College Dublin, Dublin, Ireland
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van Bussel IPG, Fazelzadeh P, Frost GS, Rundle M, Afman LA. Measuring phenotypic flexibility by transcriptome time-course analyses during challenge tests before and after energy restriction. FASEB J 2019; 33:10280-10290. [PMID: 31238007 DOI: 10.1096/fj.201900148r] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/11/2022]
Abstract
Metabolic challenge tests may be a valuable tool to magnify the effects of diet on health. The use of transcriptomics enables a more extensive characterization of the effects of diet. The question remains whether transcriptome time-course analyses during challenge tests will deliver more information on the effect of diet than a static fasting measurement. A dietary intervention known to improve health is energy restriction (ER). Seventy-two healthy, overweight men and women aged 50-65 were subjected to an oral glucose tolerance test (OGTT) and a mixed-meal test (MMT) before and after 12 wk of a 20% ER diet or control diet. Whole-genome gene expression of peripheral blood mononuclear cells was performed before and after the intervention. This was done during fasting, during the OGTT at 30, 60, and 120 min, and during the MMT at 60, 120, 240, and 360 min. Upon ER, the OGTT resulted in a faster and more pronounced down-regulation in gene expression of oxidative phosphorylation, cell adhesion, and DNA replication compared with the control. The MMT showed less-consistent effects. The OGTT combined with transcriptomics can be used to measure dynamic cellular adaptation upon an intervention that cannot be determined with a static fasting measurement.-Van Bussel, I. P. G., Fazelzadeh, P., Frost, G. S., Rundle, M., Afman, L. A. Measuring phenotypic flexibility by transcriptome time-course analyses during challenge tests before and after energy restriction.
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Affiliation(s)
- Inge P G van Bussel
- Division of Human Nutrition and Health, Wageningen University and Research Centre, Wageningen, The Netherlands
| | - Parastoo Fazelzadeh
- Division of Human Nutrition and Health, Wageningen University and Research Centre, Wageningen, The Netherlands
| | - Gary S Frost
- Division of Diabetes, Endocrinology, and Metabolism, Department of Medicine, Imperial College London, London, United Kingdom
| | - Milena Rundle
- Division of Diabetes, Endocrinology, and Metabolism, Department of Medicine, Imperial College London, London, United Kingdom
| | - Lydia A Afman
- Division of Human Nutrition and Health, Wageningen University and Research Centre, Wageningen, The Netherlands
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Fiamoncini J, Rundle M, Gibbons H, Thomas EL, Geillinger-Kästle K, Bunzel D, Trezzi JP, Kiselova-Kaneva Y, Wopereis S, Wahrheit J, Kulling SE, Hiller K, Sonntag D, Ivanova D, van Ommen B, Frost G, Brennan L, Bell J, Daniel H. Plasma metabolome analysis identifies distinct human metabotypes in the postprandial state with different susceptibility to weight loss-mediated metabolic improvements. FASEB J 2018; 32:5447-5458. [PMID: 29718708 DOI: 10.1096/fj.201800330r] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022]
Abstract
Health has been defined as the capability of the organism to adapt to challenges. In this study, we tested to what extent comprehensively phenotyped individuals reveal differences in metabolic responses to a standardized mixed meal tolerance test (MMTT) and how these responses change when individuals experience moderate weight loss. Metabolome analysis was used in 70 healthy individuals. with profiling of ∼300 plasma metabolites during an MMTT over 8 h. Multivariate analysis of plasma markers of fatty acid catabolism identified 2 distinct metabotype clusters (A and B). Individuals from metabotype B showed slower glucose clearance, had increased intra-abdominal adipose tissue mass and higher hepatic lipid levels when compared with individuals from metabotype A. An NMR-based urine analysis revealed that these individuals also to have a less healthy dietary pattern. After a weight loss of ∼5.6 kg over 12 wk, only the subjects from metabotype B showed positive changes in the glycemic response during the MMTT and in markers of metabolic diseases. Our study in healthy individuals demonstrates that more comprehensive phenotyping can reveal discrete metabotypes with different outcomes in a dietary intervention and that markers of lipid catabolism in plasma could allow early detection of the metabolic syndrome.-Fiamoncini, J., Rundle, M., Gibbons, H., Thomas, E. L., Geillinger-Kästle, K., Bunzel, D., Trezzi, J.-P., Kiselova-Kaneva, Y., Wopereis, S., Wahrheit, J., Kulling, S. E., Hiller, K., Sonntag, D., Ivanova, D., van Ommen, B., Frost, G., Brennan, L., Bell, J. Daniel, H. Plasma metabolome analysis identifies distinct human metabotypes in the postprandial state with different susceptibility to weight loss-mediated metabolic improvements.
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Affiliation(s)
- Jarlei Fiamoncini
- Department of Food and Nutrition, Technische Universität München, Freising-Weihenstephan, Germany
| | - Milena Rundle
- Division of Diabetes, Endocrinology, and Metabolism, Department of Medicine, Imperial College London, London, United Kingdom
| | - Helena Gibbons
- University College Dublin (UCD) School of Agriculture and Food Science, Institute of Food and Health, Dublin, Ireland
| | - E Louise Thomas
- Research Centre for Optimal Health, Department of Life Sciences, University of Westminster, London, United Kingdom
| | | | - Diana Bunzel
- Department of Safety and Quality of Fruit and Vegetables, Max Rubner Institut, Karlsruhe, Germany
| | - Jean-Pierre Trezzi
- Integrated Biobank of Luxembourg, Dudelange, Luxembourg.,Centre for Systems Biomedicine, Esch-sur-Alzette, Luxembourg
| | - Yoana Kiselova-Kaneva
- Department of Biochemistry, Molecular Medicine, and Nutrigenomics, Medical University-Varna, Varna, Bulgaria
| | - Suzan Wopereis
- Department of Microbiology and Systems Biology, Netherlands Organization for Applied Scientific Research (TNO), Zeist, The Netherlands
| | | | - Sabine E Kulling
- Department of Safety and Quality of Fruit and Vegetables, Max Rubner Institut, Karlsruhe, Germany
| | - Karsten Hiller
- Braunschweig Integrated Centre of Systems Biology, University of Braunschweig, Braunschweig, Germany.,Department of Computational Biology of Infection Research, Helmholtz Centre for Infection Research, Braunschweig, Germany
| | - Denise Sonntag
- Department of Microbiology and Systems Biology, Netherlands Organization for Applied Scientific Research (TNO), Zeist, The Netherlands
| | - Diana Ivanova
- Department of Biochemistry, Molecular Medicine, and Nutrigenomics, Medical University-Varna, Varna, Bulgaria
| | - Ben van Ommen
- Department of Microbiology and Systems Biology, Netherlands Organization for Applied Scientific Research (TNO), Zeist, The Netherlands
| | - Gary Frost
- Division of Diabetes, Endocrinology, and Metabolism, Department of Medicine, Imperial College London, London, United Kingdom
| | - Lorraine Brennan
- University College Dublin (UCD) School of Agriculture and Food Science, Institute of Food and Health, Dublin, Ireland
| | - Jimmy Bell
- Research Centre for Optimal Health, Department of Life Sciences, University of Westminster, London, United Kingdom
| | - Hannelore Daniel
- Department of Food and Nutrition, Technische Universität München, Freising-Weihenstephan, Germany
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Yin X, Gibbons H, Rundle M, Frost G, McNulty BA, Nugent AP, Walton J, Flynn A, Gibney MJ, Brennan L. Estimation of Chicken Intake by Adults Using Metabolomics-Derived Markers. J Nutr 2017; 147:1850-1857. [PMID: 28794208 DOI: 10.3945/jn.117.252197] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2017] [Revised: 05/10/2017] [Accepted: 07/10/2017] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Improved assessment of meat intake with the use of metabolomics-derived markers can provide objective data and could be helpful in clarifying proposed associations between meat intake and health. OBJECTIVE The objective of this study was to identify novel markers of chicken intake using a metabolomics approach and use markers to determine intake in an independent cohort. METHODS Ten participants [age: 62 y; body mass index (in kg/m2): 28.25] in the NutriTech food intake study consumed increasing amounts of chicken, from 88 to 290 g/d, in a 3-wk span. Urine and blood samples were analyzed by nuclear magnetic resonance and mass spectrometry, respectively. A multivariate data analysis was performed to identify markers associated with chicken intake. A calibration curve was built based on dose-response association using NutriTech data. A Bland-Altman analysis evaluated the agreement between reported and calculated chicken intake in a National Adult Nutrition Survey cohort. RESULTS Multivariate data analysis of postprandial and fasting urine samples collected in participants in the NutriTech study revealed good discrimination between high (290 g/d) and low (88 g/d) chicken intakes. Urinary metabolite profiles showed differences in metabolite levels between low and high chicken intakes. Examining metabolite profiles revealed that guanidoacetate increased from 1.47 to 3.66 mmol/L following increasing chicken intakes from 88 to 290 g/d (P < 0.01). Using a calibration curve developed from the NutriTech study, chicken intake was calculated through the use of data from the National Adult Nutrition Survey, in which consumers of chicken had a higher guanidoacetate excretion (0.70 mmol/L) than did nonconsumers (0.47 mmol/L; P < 0.01). A Bland-Altman analysis revealed good agreement between reported and calculated intakes, with a bias of -30.2 g/d. Plasma metabolite analysis demonstrated that 3-methylhistidine was a more suitable indicator of chicken intake than 1-methylhistidine. CONCLUSIONS Guanidoacetate was successfully identified and confirmed as a marker of chicken intake, and its measurement in fasting urine samples could be used to determine chicken intake in a free-living population. This trial was registered at clinicaltrials.gov as NCT01684917.
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Affiliation(s)
- Xiaofei Yin
- School of Agriculture and Food Science, Institute of Food and Health, University College Dublin, Dublin, Ireland
| | - Helena Gibbons
- School of Agriculture and Food Science, Institute of Food and Health, University College Dublin, Dublin, Ireland
| | - Milena Rundle
- Faculty of Medicine, Department of Medicine, Imperial College London, London, United Kingdom
| | - Gary Frost
- Faculty of Medicine, Department of Medicine, Imperial College London, London, United Kingdom
| | - Breige A McNulty
- School of Agriculture and Food Science, Institute of Food and Health, University College Dublin, Dublin, Ireland
| | - Anne P Nugent
- School of Agriculture and Food Science, Institute of Food and Health, University College Dublin, Dublin, Ireland
| | - Janette Walton
- School of Food and Nutritional Sciences, University College Cork, Cork, Ireland
| | - Albert Flynn
- School of Food and Nutritional Sciences, University College Cork, Cork, Ireland
| | - Michael J Gibney
- School of Agriculture and Food Science, Institute of Food and Health, University College Dublin, Dublin, Ireland
| | - Lorraine Brennan
- School of Agriculture and Food Science, Institute of Food and Health, University College Dublin, Dublin, Ireland
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Fiamoncini J, Yiorkas AM, Gedrich K, Rundle M, Alsters SI, Roeselers G, van den Broek TJ, Clavel T, Lagkouvardos I, Wopereis S, Frost G, van Ommen B, Blakemore AI, Daniel H. Determinants of postprandial plasma bile acid kinetics in human volunteers. Am J Physiol Gastrointest Liver Physiol 2017; 313:G300-G312. [PMID: 28663304 DOI: 10.1152/ajpgi.00157.2017] [Citation(s) in RCA: 31] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/17/2017] [Revised: 06/21/2017] [Accepted: 06/26/2017] [Indexed: 01/31/2023]
Abstract
Bile acids (BA) are signaling molecules with a wide range of biological effects, also identified among the most responsive plasma metabolites in the postprandial state. We here describe this response to different dietary challenges and report on key determinants linked to its interindividual variability. Healthy men and women (n = 72, 62 ± 8 yr, mean ± SE) were enrolled into a 12-wk weight loss intervention. All subjects underwent an oral glucose tolerance test and a mixed-meal tolerance test before and after the intervention. BA were quantified in plasma by liquid chromatography-tandem mass spectrometry combined with whole genome exome sequencing and fecal microbiota profiling. Considering the average response of all 72 subjects, no effect of the successful weight loss intervention was found on plasma BA profiles. Fasting and postprandial BA profiles revealed high interindividual variability, and three main patterns in postprandial BA response were identified using multivariate analysis. Although the women enrolled were postmenopausal, effects of sex difference in BA response were evident. Exome data revealed the contribution of preselected genes to the observed interindividual variability. In particular, a variant in the SLCO1A2 gene, encoding the small intestinal BA transporter organic anion-transporting polypeptide-1A2 (OATP1A2), was associated with delayed postprandial BA increases. Fecal microbiota analysis did not reveal evidence for a significant influence of bacterial diversity and/or composition on plasma BA profiles. The analysis of plasma BA profiles in response to two different dietary challenges revealed a high interindividual variability, which was mainly determined by genetics and sex difference of host with minimal effects of the microbiota.NEW & NOTEWORTHY Considering the average response of all 72 subjects, no effect of the successful weight loss intervention was found on plasma bile acid (BA) profiles. Despite high interindividual variability, three main patterns in postprandial BA response were identified using multivariate analysis. A variant in the SLCO1A2 gene, encoding the small intestinal BA transporter organic anion-transporting polypeptide-1A2 (OATP1A2), was associated with delayed postprandial BA increases in response to both the oral glucose tolerance test and the mixed-meal tolerance test.
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Affiliation(s)
- Jarlei Fiamoncini
- Nutrition and Food Sciences, Technische Universität München, Freising-Weihenstephan, Germany;
| | - Andrianos M Yiorkas
- Section of Investigative Medicine, Imperial College London, London, United Kingdom.,Department of Life Sciences, Brunel University London, Uxbridge, United Kingdom; and
| | - Kurt Gedrich
- Nutrition and Food Sciences, Technische Universität München, Freising-Weihenstephan, Germany
| | - Milena Rundle
- Division of Diabetes, Endocrinology and Metabolism, Department of Medicine, Imperial College London, London, United Kingdom
| | - Sanne I Alsters
- Section of Investigative Medicine, Imperial College London, London, United Kingdom.,Department of Life Sciences, Brunel University London, Uxbridge, United Kingdom; and
| | - Guus Roeselers
- Microbiology & Systems Biology Group, The Netherlands Organisation for Applied Scientific Research, Zeist, The Netherlands.,Danone-Nutricia Research, Utrecht, The Netherlands
| | - Tim J van den Broek
- Microbiology & Systems Biology Group, The Netherlands Organisation for Applied Scientific Research, Zeist, The Netherlands
| | - Thomas Clavel
- Institute of Medical Microbiology, Rheinisch-Westfaelische Technische Hochschule Aachen University Hospital, Aachen, Germany
| | - Ilias Lagkouvardos
- Core Facility Microbiome/Next Generation Sequencing, Institute for Food & Health, Technische Universität München, Freising-Weihenstephan, Germany
| | - Suzan Wopereis
- Microbiology & Systems Biology Group, The Netherlands Organisation for Applied Scientific Research, Zeist, The Netherlands
| | - Gary Frost
- Division of Diabetes, Endocrinology and Metabolism, Department of Medicine, Imperial College London, London, United Kingdom
| | - Ben van Ommen
- Microbiology & Systems Biology Group, The Netherlands Organisation for Applied Scientific Research, Zeist, The Netherlands
| | - Alexandra I Blakemore
- Section of Investigative Medicine, Imperial College London, London, United Kingdom.,Department of Life Sciences, Brunel University London, Uxbridge, United Kingdom; and
| | - Hannelore Daniel
- Nutrition and Food Sciences, Technische Universität München, Freising-Weihenstephan, Germany
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10
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Gibbons H, Michielsen CJR, Rundle M, Frost G, McNulty BA, Nugent AP, Walton J, Flynn A, Gibney MJ, Brennan L. Demonstration of the utility of biomarkers for dietary intake assessment; proline betaine as an example. Mol Nutr Food Res 2017; 61. [DOI: 10.1002/mnfr.201700037] [Citation(s) in RCA: 45] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/10/2017] [Revised: 05/08/2017] [Accepted: 05/16/2017] [Indexed: 01/03/2023]
Affiliation(s)
- Helena Gibbons
- School of Agriculture and Food Science; Institute of Food and Health; University College Dublin; Dublin Ireland
| | - Charlotte J. R. Michielsen
- School of Agriculture and Food Science; Institute of Food and Health; University College Dublin; Dublin Ireland
| | - Milena Rundle
- Nutrition and Dietetic Research Group; Division of Endocrinology and Metabolism; Imperial College London; London U.K
| | - Gary Frost
- Nutrition and Dietetic Research Group; Division of Endocrinology and Metabolism; Imperial College London; London U.K
| | - Breige A. McNulty
- School of Agriculture and Food Science; Institute of Food and Health; University College Dublin; Dublin Ireland
| | - Anne P. Nugent
- School of Agriculture and Food Science; Institute of Food and Health; University College Dublin; Dublin Ireland
| | - Janette Walton
- School of Food and Nutritional Sciences; University College Cork; Cork Ireland
| | - Albert Flynn
- School of Food and Nutritional Sciences; University College Cork; Cork Ireland
| | - Michael J. Gibney
- School of Agriculture and Food Science; Institute of Food and Health; University College Dublin; Dublin Ireland
| | - Lorraine Brennan
- School of Agriculture and Food Science; Institute of Food and Health; University College Dublin; Dublin Ireland
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11
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Cheung W, Keski-Rahkonen P, Assi N, Ferrari P, Freisling H, Rinaldi S, Slimani N, Zamora-Ros R, Rundle M, Frost G, Gibbons H, Carr E, Brennan L, Cross AJ, Pala V, Panico S, Sacerdote C, Palli D, Tumino R, Kühn T, Kaaks R, Boeing H, Floegel A, Mancini F, Boutron-Ruault MC, Baglietto L, Trichopoulou A, Naska A, Orfanos P, Scalbert A. A metabolomic study of biomarkers of meat and fish intake. Am J Clin Nutr 2017; 105:600-608. [PMID: 28122782 DOI: 10.3945/ajcn.116.146639] [Citation(s) in RCA: 138] [Impact Index Per Article: 19.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/30/2016] [Accepted: 12/27/2016] [Indexed: 11/14/2022] Open
Abstract
Background: Meat and fish intakes have been associated with various chronic diseases. The use of specific biomarkers may help to assess meat and fish intake and improve subject classification according to the amount and type of meat or fish consumed.Objective: A metabolomic approach was applied to search for biomarkers of meat and fish intake in a dietary intervention study and in free-living subjects from the European Prospective Investigation into Cancer and Nutrition (EPIC) study.Design: In the dietary intervention study, 4 groups of 10 subjects consumed increasing quantities of chicken, red meat, processed meat, and fish over 3 successive weeks. Twenty-four-hour urine samples were collected during each period and analyzed by high-resolution liquid chromatography-mass spectrometry. Signals characteristic of meat or fish intake were replicated in 50 EPIC subjects for whom a 24-h urine sample and 24-h dietary recall were available and who were selected for their exclusive intake or no intake of any of the 4 same foods.Results: A total of 249 mass spectrometric features showed a positive dose-dependent response to meat or fish intake in the intervention study. Eighteen of these features best predicted intake of the 4 food groups in the EPIC urine samples on the basis of partial receiver operator curve analyses with permutation testing (areas under the curve ranging between 0.61 and 1.0). Of these signals, 8 metabolites were identified. Anserine was found to be specific for chicken intake, whereas trimethylamine-N-oxide showed good specificity for fish. Carnosine and 3 acylcarnitines (acetylcarnitine, propionylcarnitine, and 2-methylbutyrylcarnitine) appeared to be more generic indicators of meat and meat and fish intake, respectively.Conclusion: The meat and fish biomarkers identified in this work may be used to study associations between meat and fish intake and disease risk in epidemiologic studies. This trial was registered at clinicaltrials.gov as NCT01684917.
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Affiliation(s)
- William Cheung
- International Agency for Research on Cancer, Lyon, France
| | | | - Nada Assi
- International Agency for Research on Cancer, Lyon, France
| | - Pietro Ferrari
- International Agency for Research on Cancer, Lyon, France
| | | | - Sabina Rinaldi
- International Agency for Research on Cancer, Lyon, France
| | - Nadia Slimani
- International Agency for Research on Cancer, Lyon, France
| | | | - Milena Rundle
- Division of Endocrinology and Metabolism, Nutrition and Dietetic Research Group, and
| | - Gary Frost
- Division of Endocrinology and Metabolism, Nutrition and Dietetic Research Group, and
| | - Helena Gibbons
- Institute of Food and Health, School of Agriculture and Food Science, University College Dublin, Dublin, Republic of Ireland
| | - Eibhlin Carr
- Institute of Food and Health, School of Agriculture and Food Science, University College Dublin, Dublin, Republic of Ireland
| | - Lorraine Brennan
- Institute of Food and Health, School of Agriculture and Food Science, University College Dublin, Dublin, Republic of Ireland
| | - Amanda J Cross
- Department of Epidemiology and Biostatistics, School of Public Health, Imperial College London, London, United Kingdom
| | - Valeria Pala
- Department of Preventive and Predictive Medicine, Fondazione IRCCS Istituto Nazionale dei Tumori, Milan, Italy
| | - Salvatore Panico
- Department of Clinical Medicine and Surgery, Federico II University, Naples, Italy
| | - Carlotta Sacerdote
- Unit of Cancer Epidemiology, Città della Salute e della Scienza University-Hospital and Center for Cancer Prevention (CPO), Turin, Italy
| | - Domenico Palli
- Cancer Risk Factors and Life-Style Epidemiology Unit, Cancer Research and Prevention Institute (ISPO), Florence, Italy
| | - Rosario Tumino
- Cancer Registry and Histopathology Unit, "Civic-M.P.Arezzo" Hospital, Provincial Health Unit, Ragusa, Italy
| | - Tilman Kühn
- Division of Cancer Epidemiology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Rudolf Kaaks
- Division of Cancer Epidemiology, German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Heiner Boeing
- German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany
| | - Anna Floegel
- German Institute of Human Nutrition Potsdam-Rehbruecke, Nuthetal, Germany
| | - Francesca Mancini
- French National Institute of Health and Medical Research (INSERM), Centre for Research in Epidemiology and Population Health (CESP), Health across Generations Team, U1018, Villejuif, France
- Institut Gustave Roussy, Villejuif, France
| | - Marie-Christine Boutron-Ruault
- French National Institute of Health and Medical Research (INSERM), Centre for Research in Epidemiology and Population Health (CESP), Health across Generations Team, U1018, Villejuif, France
- Institut Gustave Roussy, Villejuif, France
- University Paris Sud, UMRS 1018, Villejuif, France
| | - Laura Baglietto
- Cancer Epidemiology Centre, Cancer Council of Victoria, Melbourne, Australia
- Centre for Epidemiology and Biostatistics, School of Population and Global Health, University of Melbourne, Melbourne, Australia
| | - Antonia Trichopoulou
- Hellenic Health Foundation, Athens, Greece; and
- WHO Collaborating Center for Nutrition and Health, Unit of Nutritional Epidemiology and Nutrition in Public Health, Department of Hygiene, Epidemiology, and Medical Statistics, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Androniki Naska
- Hellenic Health Foundation, Athens, Greece; and
- WHO Collaborating Center for Nutrition and Health, Unit of Nutritional Epidemiology and Nutrition in Public Health, Department of Hygiene, Epidemiology, and Medical Statistics, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
| | - Philippos Orfanos
- Hellenic Health Foundation, Athens, Greece; and
- WHO Collaborating Center for Nutrition and Health, Unit of Nutritional Epidemiology and Nutrition in Public Health, Department of Hygiene, Epidemiology, and Medical Statistics, School of Medicine, National and Kapodistrian University of Athens, Athens, Greece
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Wick M, Moriarty A, Quinn M, Vaught T, Rundle M, Tolcher A, Rasco D, Patnaik A, Papadopoulos K. Development and characterization of HER2+ T-DM1-resistant breast cancer PDX models. Eur J Cancer 2016. [DOI: 10.1016/s0959-8049(16)32763-0] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/27/2022]
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13
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Jobst B, Testorf M, Kleen J, Rundle M, Holmes G, Lenck-Santini PP. Hippocampal oscillatory patterns during working memory in epileptic patients. KLIN NEUROPHYSIOL 2014. [DOI: 10.1055/s-0034-1371209] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/25/2022]
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14
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Parsian A, Racette B, Zhang ZH, Rundle M, Perlmutter JS. Association of variations in monoamine oxidases A and B with Parkinson's disease subgroups. Genomics 2004; 83:454-60. [PMID: 14962671 DOI: 10.1016/j.ygeno.2003.09.002] [Citation(s) in RCA: 18] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2003] [Accepted: 09/03/2003] [Indexed: 10/26/2022]
Abstract
Idiopathic Parkinson's disease (PD) is an age dependent, neurodegenerative disorder and is predominantly a sporadic disease. A minority of patients has a positive family history for PD and the majority of those families exhibit a complex mode of inheritance. The monoamine oxidases A and B (MAO-A and -B) genes, which are involved in serotonin and dopamine metabolism, are possible candidate genes for susceptibility to PD. Previous association studies of MAO-A and -B in PD have been inconclusive. To determine the role of MAO-A and -B in the development of PD, we screened a sample of 96 patients with familial PD, 164 with sporadic PD, and 180 matched normal controls with dinucleotide repeat markers in these genes. MAO-A and -B gene polymorphisms were strongly associated with total PD (p < 0.00001), familial PD (p < 0.00001), and sporadic PD (p < 0.00001). There were no significant differences between familial or sporadic PD with age of onset younger than 50 years compared to those with age of onset older than 51 years for both MAO-A and -B genes. There was no linkage disequilibrium between these genes in male PD and control groups. The frequency of common haplotypes from MAO-A and -B was different in PD and control group (p = 0.02). Our data indicate that MAO-A and -B may play a role in susceptibility to PD in our sample.
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Affiliation(s)
- A Parsian
- Department of Molecular and Cellular Biology, University of Louisville Health Sciences Center, 501 S Preston Street, Rm 301, Louisville, KY 40292, USA.
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15
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Racette BA, Rundle M, Wang JC, Goate A, Saccone NL, Farrer M, Lincoln S, Hussey J, Smemo S, Lin J, Suarez B, Parsian A, Perlmutter JS. A multi-incident, Old-Order Amish family with PD. Neurology 2002; 58:568-74. [PMID: 11865134 DOI: 10.1212/wnl.58.4.568] [Citation(s) in RCA: 10] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND PD is largely a sporadic condition of unknown etiology, but specific inherited mutations are a cause of PD. OBJECTIVE To describe a large, multi-incident Amish pedigree with PD. METHODS Case ascertainment, calculation of population prevalence, and calculation of kinship coefficients (a measure of relatedness between two individuals) for affecteds and subjects in a large kindred with PD were conducted. Sequencing of genes with known mutations sufficient to cause PD and marker-by-marker haplotype analysis in chromosomal regions flanking previously described genes with known mutations were performed. RESULTS The authors have examined 113 members of this pedigree and classified 67 as normal (no evidence of PD), 17 as clinically definite PD, 6 as clinically probable PD, and 23 as clinically possible PD. The mean age at onset of the clinically definite subjects was 56.7 years. The phenotype in this family is typical of idiopathic PD, including rest tremor, rigidity, bradykinesia, postural instability, and response to levodopa. In addition, dementia occurred in six of the clinically definite subjects, and many subjects experienced levodopa-related motor complications including wearing off and dopa-induced dyskinesias. In the index Amish community, a minimum prevalence of PD in the population 40 years and older of 552/100,000 was calculated. The mean kinship coefficient in the subjects with PD and those with PD by history (0.036) was higher (p = 0.007) than in a group of age-matched normal Amish control subjects (0.016), providing evidence that PD is inherited in this family. Sequence analysis did not detect any mutations in known PD genes. No single haplotype cosegregates with the disease in any of the chromosomal regions previously found to be linked to PD, and no marker in these regions exhibits increased homozygosity among definite PD cases. CONCLUSIONS PD in this community is more common than in the general population, and this increased prevalence may be due in part to a novel gene(s).
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Affiliation(s)
- B A Racette
- Department of Neurology and Neurological, Washington University School of Medicine, St. Louis, MO 63110, USA.
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16
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Abstract
A screening questionnaire with high sensitivity for detection of Parkinson's disease would make it easier to identify undiagnosed, yet affected, family members for genetic research. We assessed the validity of a screening questionnaire developed by Duarte et al. [1995: Mov Disord 10:643-649] with reported high specificity and sensitivity for Parkinson's disease (PD). We applied the questionnaire to 78 asymptomatic members of families that had at least two people diagnosed with PD. These families were participating in a linkage study of Parkinson's disease. Examination of these 78 revealed that 53 were normal (normal controls) and 25 were classified ("undiagnosed" PD defined) as possible, probable, or clinically definite PD based on standardized criteria. We compared these results with 123 patients with clinically definite PD ("diagnosed" PD). There were significant differences among the mean scores on the questionnaire for normal controls (4.4), subjects with undiagnosed PD (9.8), and patients with diagnosed PD (42.1; p<0.000001) and a significant difference between undiagnosed PD and normals (p<0.01). The questionnaire had only 4% sensitivity for detection of parkinsonism in undiagnosed PD using the original criteria [Duarte et al., 1995]. Revising the criteria increased the sensitivity from 4 to 48% in the undiagnosed group. The positive predictive value was 39% and the negative predictive value was 72%. Prospective application of these revised criteria is necessary to confirm the improved sensitivity. However, we conclude that this screening questionnaire has inadequate sensitivity for detection of mild parkinsonism and direct examination is still critical for accurate classification for genetic studies.
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Affiliation(s)
- B A Racette
- Department of Neurology and Neurologic Surgery (Neurology), Washington University School of Medicine, St. Louis, Missouri, USA.
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17
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Parsian A, Racette B, Zhang ZH, Chakraverty S, Rundle M, Goate A, Perlmutter JS. Mutation, sequence analysis, and association studies of alpha-synuclein in Parkinson's disease. Neurology 1998; 51:1757-9. [PMID: 9855543 DOI: 10.1212/wnl.51.6.1757] [Citation(s) in RCA: 63] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
A mutation within the alpha-synuclein gene on human chromosome 4 has been reported to segregate with PD in an Italian family. We screened a sample of familial cases of PD for mutation in the alpha-synuclein gene. None of the familial cases of PD carried a mutation within the alpha-synuclein gene, and no association was detected between PD and alleles of a dinucleotide repeat marker within the alpha-synuclein gene. We conclude that variation within the alpha-synuclein gene does not play a significant role in the risk for PD in our sample.
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Affiliation(s)
- A Parsian
- Department of Neurology, Washington University School of Medicine, St. Louis, MO 63110, USA
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18
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Holmes VM, Rundle M. The role of prior context in the comprehension of abstract and concrete sentences. Psychol Res 1985; 47:159-71. [PMID: 4059473 DOI: 10.1007/bf00309266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/08/2023]
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Rundle M. Designing for reduced hospital energy consumption. Hosp Eng 1982; 36:12-4. [PMID: 10254825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [MESH Headings] [Subscribe] [Scholar Register] [Indexed: 02/12/2023]
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