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Kupila SKE, Berntzen BJ, Muniandy M, Ahola AJ, Kaprio J, Rissanen A, Pietiläinen KH. Mental, physical, and social well-being and quality of life in healthy young adult twin pairs discordant and concordant for body mass index. PLoS One 2023; 18:e0294162. [PMID: 38055659 PMCID: PMC10699637 DOI: 10.1371/journal.pone.0294162] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [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: 12/12/2022] [Accepted: 10/13/2023] [Indexed: 12/08/2023] Open
Abstract
OBJECTIVE The relationship between obesity and mental health is complex and is moderated by the level of obesity, age, sex, and social and genetic factors. In the current study, we used a unique co-twin control design, with twin pairs discordant for body mass index (BMI), to control for shared genetic and environmental effects between obesity and several dimensions of mental health. METHODS We studied 74 monozygotic (MZ) twin pairs, of whom 36 were BMI-discordant (intra-pair difference in BMI ≥ 3 kg/m2), and 77 dizygotic (DZ) twin pairs (46 BMI-discordant). We assessed subjective health, especially mental health and mental well-being (depression, anxiety, self-esteem, health-related quality of life, life satisfaction, and social well-being) through questionnaires. RESULTS Heavier MZ co-twins from BMI-discordant pairs had poorer general health (58.8±3.0 vs. 72.4±3.8, P = 0.001, FDR = 0.017 on a scale from 0 to 100 where higher scores indicate more positive results), physical functioning (90.3±1.1 vs. 95.5±2.2, P = 0.024, FDR = 0.122), energy levels (55.6±3.4 vs. 66.6±3.3, P = 0.013, FDR = 0.109), and emotional well-being (65.9±3.2 vs. 75.4±2.9, P = 0.031, FDR = 0.122), as well as a tendency for depressive symptoms (8.4±1.3 vs. 5.6±0.9, P = 0.071, FDR = 0.166) compared to their leaner co-twins. Heavier DZ co-twins had poorer total physical well-being (91.6±1.9 vs. 95.6±1.0, P = 0.035, FDR = 0.356) and more depressive symptoms (4.3±0.9 vs. 2.4±0.5, P = 0.016, FDR = 0.345 on a scale from 0 to 63 where lower scores indicate fewer depressive symptoms) than their leaner co-twins. Association analyses, using all twin pairs, confirmed that higher BMI within pairs linked to general health, physical functioning and depressive symptoms. No association was found between BMI and anxiety, self-esteem, life satisfaction, or social well-being. CONCLUSIONS In conclusion, this study underscores the notable association between elevated BMI and physical well-being and to a lesser extent between elevated BMI and depressive symptoms, while revealing no discernible connections with anxiety, self-esteem, life satisfaction, or social well-being.
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Affiliation(s)
- Sakris K. E. Kupila
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Bram J. Berntzen
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland
- Institute for Molecular Medicine Finland (FIMM), HiLIFE, University of Helsinki, Helsinki, Finland
| | - Maheswary Muniandy
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Aila J. Ahola
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland
- Folkhälsan Research Centre, Folkhälsan Institute of Genetics, Helsinki, Finland
- Abdominal Centre Nephrology, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
| | - Jaakko Kaprio
- Institute for Molecular Medicine Finland (FIMM), HiLIFE, University of Helsinki, Helsinki, Finland
| | - Aila Rissanen
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Kirsi H. Pietiläinen
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland
- Obesity Centre, Endocrinology, Abdominal Centre, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
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Juntunen M, Heinonen S, Huhtala H, Rissanen A, Kaprio J, Kuismanen K, Pietiläinen KH, Miettinen S, Patrikoski M. Evaluation of the effect of donor weight on adipose stromal/stem cell characteristics by using weight-discordant monozygotic twin pairs. Stem Cell Res Ther 2021; 12:516. [PMID: 34565451 PMCID: PMC8474937 DOI: 10.1186/s13287-021-02587-0] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [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: 03/23/2021] [Accepted: 09/11/2021] [Indexed: 02/06/2023] Open
Abstract
Background Adipose stromal/stem cells (ASCs) are promising candidates for future clinical applications. ASCs have regenerative capacity, low immunogenicity, and immunomodulatory ability. The success of future cell-based therapies depends on the appropriate selection of donors. Several factors, including age, sex, and body mass index (BMI), may influence ASC characteristics. Our aim was to investigate the effect of acquired weight on ASC characteristics under the same genetic background using ASCs derived from monozygotic (MZ) twin pairs.
Methods ASCs were isolated from subcutaneous adipose tissue from five weight-discordant (WD, within-pair difference in BMI > 3 kg/m2) MZ twin pairs, with measured BMI and metabolic status. The ASC immunophenotype, proliferation and osteogenic and adipogenic differentiation capacity were studied. ASC immunogenicity, immunosuppression capacity and the expression of inflammation markers were investigated. ASC angiogenic potential was assessed in cocultures with endothelial cells. Results ASCs showed low immunogenicity, proliferation, and osteogenic differentiation capacity independent of weight among all donors. ASCs showed a mesenchymal stem cell-like immunophenotype; however, the expression of CD146 was significantly higher in leaner WD twins than in heavier cotwins. ASCs from heavier twins from WD pairs showed significantly greater adipogenic differentiation capacity and higher expression of TNF and lower angiogenic potential compared with their leaner cotwins. ASCs showed immunosuppressive capacity in direct cocultures; however, heavier WD twins showed stronger immunosuppressive capacity than leaner cotwins. Conclusions Our genetically matched data suggest that a higher weight of the donor may have some effect on ASC characteristics, especially on angiogenic and adipogenic potential, which should be considered when ASCs are used clinically. Supplementary Information The online version contains supplementary material available at 10.1186/s13287-021-02587-0.
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Affiliation(s)
- Miia Juntunen
- Adult Stem Cell Group, Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpön katu 34, 33014, Tampere, Finland. .,Research, Development and Innovation Centre, Tampere University Hospital, Tampere, Finland.
| | - Sini Heinonen
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland.,Obesity Center, Abdominal Center, Endocrinology, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
| | - Heini Huhtala
- Faculty of Social Sciences, University of Tampere, Tampere, Finland
| | - Aila Rissanen
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Jaakko Kaprio
- Institute for Molecular Medicine FIMM, HiLIFE, University of Helsinki, Helsinki, Finland
| | - Kirsi Kuismanen
- Adult Stem Cell Group, Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpön katu 34, 33014, Tampere, Finland.,Department of Obstetrics and Gynecology, Tampere University Hospital, Tampere, Finland
| | - Kirsi H Pietiläinen
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland.,Obesity Center, Abdominal Center, Endocrinology, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
| | - Susanna Miettinen
- Adult Stem Cell Group, Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpön katu 34, 33014, Tampere, Finland.,Research, Development and Innovation Centre, Tampere University Hospital, Tampere, Finland
| | - Mimmi Patrikoski
- Adult Stem Cell Group, Faculty of Medicine and Health Technology, Tampere University, Arvo Ylpön katu 34, 33014, Tampere, Finland.,Research, Development and Innovation Centre, Tampere University Hospital, Tampere, Finland.,Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland
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Berntzen BJ, Paavonen EJ, Rissanen A, Kaprio J, Pietiläinen KH. Sleep and lifestyle in young adult monozygotic twin pairs discordant for body mass index. Sleep Health 2021; 7:556-564. [PMID: 34193396 DOI: 10.1016/j.sleh.2021.04.002] [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] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 04/07/2021] [Accepted: 04/13/2021] [Indexed: 11/19/2022]
Abstract
OBJECTIVES The causal nature of the sleep-obesity association is unclear. To control for potential confounding by genes and shared environment, we studied monozygotic twin pairs discordant for body mass index (BMI). First, we investigated sleep in relation to BMI. Second, we examined associations of objective and subjective sleep duration and sleep debt (objective or subjective sleep duration minus subjective sleep need) with eating behaviors and physical activity (PA). DESIGN Cross-sectional study. SETTING Finnish twins in everyday life circumstances. PARTICIPANTS Seventy-four healthy young adult monozygotic twin pairs, of whom 36 were BMI-discordant (∆BMI ≥ 3 kg/m2). MEASUREMENTS Clinical measurements estimated BMI and body composition. Sleep, eating, and PA behaviors were measured by self-report and actigraphy. RESULTS Compared to co-twins with lower BMI, co-twins with higher BMI reported shorter sleep (P = .043), more snoring (P = .0093), and greater tiredness (P = .0013) and trended toward eveningness (P = .036). Actigraphy-measured sleep duration correlated highly within BMI-discordant twin pairs (r = 0.63, P = .004). Subjective sleep debt was consistently positively associated with disinhibited eating and binge eating, but not with BMI. Subjective and objective sleep debt had negative correlations with moderate-to-vigorous PA. CONCLUSIONS Twins with higher BMI showed less favorable sleep characteristics than their co-twins with lower BMI. Subjective sleep debt is a potential target for intervention to reduce eating and PA behaviors that promote weight gain. Experimental studies could elucidate mechanisms underlying tiredness in individuals with higher BMI and investigate causal relationships between sleep debt, BMI, and lifestyle.
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Affiliation(s)
- Bram J Berntzen
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland.
| | - E Juulia Paavonen
- Department of Public Health Solutions, Finnish Institute for Health and Welfare, Helsinki, Finland; Pediatric Research Center, Child Psychiatry, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
| | - Aila Rissanen
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Jaakko Kaprio
- Institute for Molecular Medicine Finland, FIMM, University of Helsinki, Helsinki, Finland; Department of Public Health, Finnish Twin Cohort Study, University of Helsinki, Helsinki, Finland
| | - Kirsi H Pietiläinen
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland; Obesity Center, Endocrinology, Abdominal Center, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
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Abstract
Background and objective: It is not uncommon that patients requiring valve surgery have several simultaneous valvular dysfunctions. Combined aortic and mitral valve surgery is the most common form of double-valve surgery. The aim of this study was to analyze and present the outcomes of simultaneous aortic and mitral valve surgery in a single center in a real-life setting. Methods: The study population consisted of 150 patients operated in the Kuopio University Hospital from 2004 to 2020. All patients undergoing concomitant mitral and aortic valve surgery were included. Four groups were formed based on either the etiology or pathophysiology of the valvular dysfunction. The most common combination was mitral regurgitation with aortic regurgitation (n = 72, 48%), followed by mitral regurgitation with aortic stenosis (n = 37, 25%), endocarditis (n = 29, 19%), and mitral stenosis with aortic regurgitation or stenosis (n = 12, 8%). Concomitant coronary artery revascularization was performed in 37 (25%) patients and tricuspid valve repair in 26 (17%) patients. Results: Operative mortality was 2% and 30-day mortality was 7%. Overall survival was 86%, 78%, and 61% in 3, 5, and 10 years, respectively. Patients with endocarditis were significantly more morbid, and more often than other patients had to undergo an emergency operation. There were no significant differences between the groups in terms of early and late survival. In the overall cohort, the EuroSCORE II value, increased pulmonary artery pressure, decreased glomerular filtration, and length of the operation displayed a negative correlation with survival. Conclusions: Despite the challenging nature of multivalvular heart disease, surgery is a safe method of treatment with good short- and long-term outcomes.
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Affiliation(s)
- A Husso
- Department of Cardiac Surgery, Heart Centre, Kuopio University Hospital, Kuopio, Finland
| | - T Riekkinen
- Department of Cardiac Surgery, Heart Centre, Kuopio University Hospital, Kuopio, Finland
| | - A Rissanen
- Department of Medicine, University of Eastern Finland, Kuopio, Finland
| | - J Ollila
- Department of Medicine, University of Eastern Finland, Kuopio, Finland
| | - A Valtola
- Department of Cardiac Surgery, Heart Centre, Kuopio University Hospital, Kuopio, Finland
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Kaartinen MT, Arora M, Heinonen S, Rissanen A, Kaprio J, Pietiläinen KH. Transglutaminases and Obesity in Humans: Association of F13A1 to Adipocyte Hypertrophy and Adipose Tissue Immune Response. Int J Mol Sci 2020; 21:E8289. [PMID: 33167412 PMCID: PMC7663854 DOI: 10.3390/ijms21218289] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2020] [Revised: 10/30/2020] [Accepted: 11/01/2020] [Indexed: 12/11/2022] Open
Abstract
Transglutaminases TG2 and FXIII-A have recently been linked to adipose tissue biology and obesity, however, human studies for TG family members in adipocytes have not been conducted. In this study, we investigated the association of TGM family members to acquired weight gain in a rare set of monozygotic (MZ) twins discordant for body weight, i.e., heavy-lean twin pairs. We report that F13A1 is the only TGM family member showing significantly altered, higher expression in adipose tissue of the heavier twin. Our previous work linked adipocyte F13A1 to increased weight, body fat mass, adipocyte size, and pro-inflammatory pathways. Here, we explored further the link of F13A1 to adipocyte size in the MZ twins via a previously conducted TWA study that was further mined for genes that specifically associate to hypertrophic adipocytes. We report that differential expression of F13A1 (ΔHeavy-Lean) associated with 47 genes which were linked via gene enrichment analysis to immune response, leucocyte and neutrophil activation, as well as cytokine response and signaling. Our work brings further support to the role of F13A1 in the human adipose tissue pathology, suggesting a role in the cascade that links hypertrophic adipocytes with inflammation.
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Affiliation(s)
- Mari T. Kaartinen
- Faculty of Medicine (Experimental Medicine), McGill University, Montreal, QC H3A 0J7, Canada;
- Faculty of Dentistry (Biomedical Sciences), McGill University, Montreal, QC H3A 0J7, Canada
| | - Mansi Arora
- Faculty of Medicine (Experimental Medicine), McGill University, Montreal, QC H3A 0J7, Canada;
| | - Sini Heinonen
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, 00014 Helsinki, Finland; (S.H.); (A.R.); (K.H.P.)
| | - Aila Rissanen
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, 00014 Helsinki, Finland; (S.H.); (A.R.); (K.H.P.)
| | - Jaakko Kaprio
- Department of Public Health, University of Helsinki, 00100 Helsinki, Finland;
| | - Kirsi H. Pietiläinen
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, 00014 Helsinki, Finland; (S.H.); (A.R.); (K.H.P.)
- Abdominal Center, Obesity Center, Endocrinology, University of Helsinki and Helsinki University Central Hospital, 00014 Helsinki, Finland
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Bozzetto L, Berntzen BJ, Kaprio J, Rissanen A, Taskinen MR, Pietiläinen KH. A higher glycemic response to oral glucose is associated with higher plasma apolipoprotein C3 independently of BMI in healthy twins. Nutr Metab Cardiovasc Dis 2020; 30:459-466. [PMID: 31753785 DOI: 10.1016/j.numecd.2019.10.005] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/16/2019] [Revised: 10/03/2019] [Accepted: 10/04/2019] [Indexed: 10/25/2022]
Abstract
BACKGROUND AND AIMS Plasma apolipoprotein C3 (ApoC3) is associated with higher plasma triglyceride and type 2 diabetes incidence. We evaluated whether body mass index (BMI) or glucose metabolism were associated with ApoC3 in healthy monozygotic (MZ) twins. METHODS AND RESULTS Forty-seven MZ twin-pairs (20 man, 27 women), aged 23-42 years, were divided in subgroups according to discordance or concordance for (a) BMI (within-pair difference (Δ) in BMI≥3.0 or<3.0 kg/m2), or (b) 2-h glucose iAUC, during oral glucose tolerance test (ΔGlucose iAUC ≥97.5 or<97.5 mmol × 120 minutes). Within these discordant or concordant subgroups, we tested (Wilcoxon signed-rank test) co-twin differences in ApoC3, adiposity measures, insulin-resistance and beta-cell function indices, and plasma and lipoprotein lipids. In BMI-Discordant (p = 0.92) or BMI-Concordant (p = 0.99) subgroups, ApoC3 did not differ between leaner and heavier co-twins. In the Glucose-Discordant subgroup, ApoC3 was significantly higher in twins with higher Glucose iAUC than in their co-twins with the lower Glucose iAUC (10.03 ± 0.78 vs. 8.48 ± 0.52 mg/dl; M ± SE; p = 0.032). Co-twins with higher Glucose iAUC also had higher waist circumference, body fat percentage, liver fat content, worse insulin-sensitivity and beta-cell function and higher cholesterol and triglyceride in plasma VLDL, IDL, and LDL. In Glucose-Concordant twin-pairs, no significant differences were observed in the explored variables. In all twin-pairs, ΔApoC3 correlated with Δ in lipids and glucose metabolism variables, the closest relationship being between ΔApoC3 and ΔVLDL triglyceride (r = 0.74, p < 0.0001). CONCLUSIONS While ApoC3 was not related to acquired differences in BMI, it associated with early dysregulation of glucose metabolism independently of obesity and genetic background.
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Affiliation(s)
- Lutgarda Bozzetto
- Department of Clinical Medicine and Surgery, Federico II University Naples, Italy.
| | - Bram J Berntzen
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Jaakko Kaprio
- Department of Public Health, Finnish Twin Cohort Study, University of Helsinki, Helsinki, Finland; Institute for Molecular Medicine Finland, FIMM, University of Helsinki, Helsinki, Finland
| | - Aila Rissanen
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Marja-Riitta Taskinen
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Kirsi H Pietiläinen
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland; Obesity Center, Endocrinology, Abdominal Center, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
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Heinonen S, Jokinen R, Rissanen A, Pietiläinen KH. White adipose tissue mitochondrial metabolism in health and in obesity. Obes Rev 2020; 21:e12958. [PMID: 31777187 DOI: 10.1111/obr.12958] [Citation(s) in RCA: 92] [Impact Index Per Article: 23.0] [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: 05/19/2019] [Revised: 08/27/2019] [Accepted: 09/03/2019] [Indexed: 12/11/2022]
Abstract
White adipose tissue is one of the largest organs of the body. It plays a key role in whole-body energy status and metabolism; it not only stores excess energy but also secretes various hormones and metabolites to regulate body energy balance. Healthy adipose tissue capable of expanding is needed for metabolic well-being and to prevent accumulation of triglycerides to other organs. Mitochondria govern several important functions in the adipose tissue. We review the derangements of mitochondrial function in white adipose tissue in the obese state. Downregulation of mitochondrial function or biogenesis in the white adipose tissue is a central driver for obesity-associated metabolic diseases. Mitochondrial functions compromised in obesity include oxidative functions and renewal and enlargement of the adipose tissue through recruitment and differentiation of adipocyte progenitor cells. These changes adversely affect whole-body metabolic health. Dysfunction of the white adipose tissue mitochondria in obesity has long-term consequences for the metabolism of adipose tissue and the whole body. Understanding the pathways behind mitochondrial dysfunction may help reveal targets for pharmacological or nutritional interventions that enhance mitochondrial biogenesis or function in adipose tissue.
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Affiliation(s)
- Sini Heinonen
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Riikka Jokinen
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - Aila Rissanen
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland.,Department of Psychiatry, Helsinki University Hospital, Helsinki, Finland
| | - Kirsi H Pietiläinen
- Obesity Research Unit, Research Program for Clinical and Molecular Metabolism, Faculty of Medicine, University of Helsinki, Helsinki, Finland.,Endocrinology, Abdominal Center, Helsinki University Hospital, Helsinki, Finland
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Sahebekhtiari N, Saraswat M, Joenväärä S, Jokinen R, Lovric A, Kaye S, Mardinoglu A, Rissanen A, Kaprio J, Renkonen R, Pietiläinen KH. Plasma Proteomics Analysis Reveals Dysregulation of Complement Proteins and Inflammation in Acquired Obesity-A Study on Rare BMI-Discordant Monozygotic Twin Pairs. Proteomics Clin Appl 2019; 13:e1800173. [PMID: 30688043 DOI: 10.1002/prca.201800173] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Revised: 12/27/2018] [Indexed: 01/24/2023]
Abstract
PURPOSE The purpose of this study is to elucidate the effect of excess body weight and liver fat on the plasma proteome without interference from genetic variation. EXPERIMENTAL DESIGN The effect of excess body weight is assessed in young, healthy monozygotic twins from pairs discordant for body mass index (intrapair difference (Δ) in BMI > 3 kg m-2 , n = 26) with untargeted LC-MS proteomics quantification. The effect of liver fat is interrogated via subgroup analysis of the BMI-discordant twin cohort: liver fat discordant pairs (Δliver fat > 2%, n = 12) and liver fat concordant pairs (Δliver fat < 2%, n = 14), measured by magnetic resonance spectroscopy. RESULTS Seventy-five proteins are differentially expressed, with significant enrichment for complement and inflammatory response pathways in the heavier co-twins. The complement dysregulation is found in obesity in both the liver fat subgroups. The complement and inflammatory proteins are significantly associated with adiposity measures, insulin resistance and impaired lipids. CONCLUSIONS AND CLINICAL RELEVANCE The early pathophysiological mechanisms in obesity are incompletely understood. It is shown that aberrant complement regulation in plasma is present in very early stages of clinically healthy obese persons, independently of liver fat and in the absence of genetic variation that typically confounds human studies.
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Affiliation(s)
- Navid Sahebekhtiari
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity Research Program, University of Helsinki, 00014, Helsinki, Finland
| | - Mayank Saraswat
- Transplantation Laboratory, Faculty of Medicine, University of Helsinki, 00014, Helsinki, Finland.,HUSLAB, Helsinki University Hospital, 00029, Helsinki, Finland
| | - Sakari Joenväärä
- Transplantation Laboratory, Faculty of Medicine, University of Helsinki, 00014, Helsinki, Finland.,HUSLAB, Helsinki University Hospital, 00029, Helsinki, Finland
| | - Riikka Jokinen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity Research Program, University of Helsinki, 00014, Helsinki, Finland
| | - Alen Lovric
- Science for Life Laboratory, KTH-Royal Institute of Technology, 17121, Stockholm, Sweden
| | - Sanna Kaye
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity Research Program, University of Helsinki, 00014, Helsinki, Finland
| | - Adil Mardinoglu
- Science for Life Laboratory, KTH-Royal Institute of Technology, 17121, Stockholm, Sweden.,Department of Biology and Biological Engineering, Chalmers University of Technology, 41296, Gothenburg, Sweden.,Centre for Host-Microbiome Interactions, Dental Institute, King's College London, SE19RT, London, UK
| | - Aila Rissanen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity Research Program, University of Helsinki, 00014, Helsinki, Finland
| | - Jaakko Kaprio
- Department of Public Health, Finnish Twin Cohort Study, University of Helsinki, 00014, Helsinki, Finland.,Institute for Molecular Medicine Finland, FIMM, University of Helsinki, 00014, Helsinki, Finland
| | - Risto Renkonen
- Transplantation Laboratory, Faculty of Medicine, University of Helsinki, 00014, Helsinki, Finland.,HUSLAB, Helsinki University Hospital, 00029, Helsinki, Finland
| | - Kirsi H Pietiläinen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity Research Program, University of Helsinki, 00014, Helsinki, Finland.,Abdominal Center, Endocrinology, Helsinki University Central Hospital and University of Helsinki, 00014, Helsinki, Finland
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Vihma V, Heinonen S, Naukkarinen J, Kaprio J, Rissanen A, Turpeinen U, Hämäläinen E, Hakkarainen A, Lundbom J, Lundbom N, Mikkola TS, Tikkanen MJ, Pietiläinen KH. Increased body fat mass and androgen metabolism - A twin study in healthy young women. Steroids 2018; 140:24-31. [PMID: 30149073 DOI: 10.1016/j.steroids.2018.08.006] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2018] [Revised: 08/15/2018] [Accepted: 08/21/2018] [Indexed: 12/28/2022]
Abstract
OBJECTIVE Obesity may alter serum steroid concentrations and metabolism. We investigated this in healthy young women with increased body fat and their leaner co-twin sisters. DESIGN Age and genetic background both strongly influence serum steroid levels and body composition. This is a cross-sectional study of 13 female monozygotic twin pairs (age, 23-36 years), ten of which were discordant for body mass index (median difference in body weight between the co-twins, 19 kg). METHODS We determined body composition by dual energy X-ray absorptiometry and magnetic resonance imaging, serum androgens by liquid chromatography-tandem mass spectrometry, and mRNA expression of genes in subcutaneous adipose tissue and adipocytes. RESULTS The heavier women had lower serum dehydroepiandrosterone (DHEA), dihydrotestosterone (DHT), and sex hormone-binding globulin (SHBG) (P < 0.05 for all) compared to their leaner co-twins with no differences in serum testosterone or androstenedione levels. Serum DHEA correlated inversely with %body fat (r = -0.905, P = 0.002), and DHT positively with SHBG (r = 0.842, P = 0.002). In adipose tissue or adipocytes, expressions of STS (steroid sulfatase) and androgen-related genes were significantly higher in the heavier compared to the leaner co-twin, and within pairs, correlated positively with adiposity but were not related to serum androgen levels. None of the serum androgen or SHBG levels correlated with indices of insulin resistance. CONCLUSIONS Serum DHEA levels were best predicted by %body fat, and serum DHT by SHBG. These or other serum androgen concentrations did not reflect differences in androgen-related genes in adipose tissue. General or intra-abdominal adiposity were not associated with increased androgenicity in young women.
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Affiliation(s)
- Veera Vihma
- University of Helsinki and Helsinki University Hospital, Heart and Lung Center, Biomedicum C315a, Haartmaninkatu 8, 00290 Helsinki, Finland; Folkhälsan Research Center, P.O. Box 63, 00014 University of Helsinki, Finland.
| | - Sini Heinonen
- University of Helsinki, Research Programs Unit, Diabetes and Obesity, Obesity Research Unit, P.O. Box 63, 00014 University of Helsinki, Finland
| | - Jussi Naukkarinen
- University of Helsinki, Research Programs Unit, Diabetes and Obesity, Obesity Research Unit, P.O. Box 63, 00014 University of Helsinki, Finland
| | - Jaakko Kaprio
- University of Helsinki, FIMM, Institute for Molecular Medicine Finland, and Department of Public Health, P.O. Box 20, 00014 University of Helsinki, Finland
| | - Aila Rissanen
- University of Helsinki, Research Programs Unit, Diabetes and Obesity, Obesity Research Unit, P.O. Box 63, 00014 University of Helsinki, Finland
| | - Ursula Turpeinen
- Helsinki University Hospital, HUSLAB, P.O. Box 720, 00029 HUS, Helsinki, Finland
| | - Esa Hämäläinen
- Helsinki University Hospital, HUSLAB, P.O. Box 720, 00029 HUS, Helsinki, Finland
| | - Antti Hakkarainen
- University of Helsinki and HUS Medical Imaging Center, Helsinki University Hospital, Haartmaninkatu 4, 00290 Helsinki, Finland
| | - Jesper Lundbom
- University of Helsinki and HUS Medical Imaging Center, Helsinki University Hospital, Haartmaninkatu 4, 00290 Helsinki, Finland
| | - Nina Lundbom
- University of Helsinki and HUS Medical Imaging Center, Helsinki University Hospital, Haartmaninkatu 4, 00290 Helsinki, Finland
| | - Tomi S Mikkola
- Folkhälsan Research Center, P.O. Box 63, 00014 University of Helsinki, Finland; Helsinki University Hospital, Obstetrics and Gynecology, P.O. Box 140, 00029 HUS, Helsinki, Finland
| | - Matti J Tikkanen
- University of Helsinki and Helsinki University Hospital, Heart and Lung Center, Biomedicum C315a, Haartmaninkatu 8, 00290 Helsinki, Finland; Folkhälsan Research Center, P.O. Box 63, 00014 University of Helsinki, Finland
| | - Kirsi H Pietiläinen
- University of Helsinki, Research Programs Unit, Diabetes and Obesity, Obesity Research Unit, P.O. Box 63, 00014 University of Helsinki, Finland; Helsinki University Hospital, Endocrinology, Abdominal Center, P.O. Box 340, 00029 HUS, Helsinki, Finland
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10
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Luukkonen PK, Sädevirta S, Zhou Y, Kayser B, Ali A, Ahonen L, Lallukka S, Pelloux V, Gaggini M, Jian C, Hakkarainen A, Lundbom N, Gylling H, Salonen A, Orešič M, Hyötyläinen T, Orho-Melander M, Rissanen A, Gastaldelli A, Clément K, Hodson L, Yki-Järvinen H. Saturated Fat Is More Metabolically Harmful for the Human Liver Than Unsaturated Fat or Simple Sugars. Diabetes Care 2018; 41:1732-1739. [PMID: 29844096 PMCID: PMC7082640 DOI: 10.2337/dc18-0071] [Citation(s) in RCA: 191] [Impact Index Per Article: 31.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Accepted: 05/01/2018] [Indexed: 02/03/2023]
Abstract
OBJECTIVE Nonalcoholic fatty liver disease (i.e., increased intrahepatic triglyceride [IHTG] content), predisposes to type 2 diabetes and cardiovascular disease. Adipose tissue lipolysis and hepatic de novo lipogenesis (DNL) are the main pathways contributing to IHTG. We hypothesized that dietary macronutrient composition influences the pathways, mediators, and magnitude of weight gain-induced changes in IHTG. RESEARCH DESIGN AND METHODS We overfed 38 overweight subjects (age 48 ± 2 years, BMI 31 ± 1 kg/m2, liver fat 4.7 ± 0.9%) 1,000 extra kcal/day of saturated (SAT) or unsaturated (UNSAT) fat or simple sugars (CARB) for 3 weeks. We measured IHTG (1H-MRS), pathways contributing to IHTG (lipolysis ([2H5]glycerol) and DNL (2H2O) basally and during euglycemic hyperinsulinemia), insulin resistance, endotoxemia, plasma ceramides, and adipose tissue gene expression at 0 and 3 weeks. RESULTS Overfeeding SAT increased IHTG more (+55%) than UNSAT (+15%, P < 0.05). CARB increased IHTG (+33%) by stimulating DNL (+98%). SAT significantly increased while UNSAT decreased lipolysis. SAT induced insulin resistance and endotoxemia and significantly increased multiple plasma ceramides. The diets had distinct effects on adipose tissue gene expression. CONCLUSIONS Macronutrient composition of excess energy influences pathways of IHTG: CARB increases DNL, while SAT increases and UNSAT decreases lipolysis. SAT induced the greatest increase in IHTG, insulin resistance, and harmful ceramides. Decreased intakes of SAT could be beneficial in reducing IHTG and the associated risk of diabetes.
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Affiliation(s)
- Panu K Luukkonen
- Minerva Foundation Institute for Medical Research, Helsinki, Finland.,Department of Medicine, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
| | - Sanja Sädevirta
- Minerva Foundation Institute for Medical Research, Helsinki, Finland.,Department of Medicine, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
| | - You Zhou
- Minerva Foundation Institute for Medical Research, Helsinki, Finland.,Systems Immunity University Research Institute and Division of Infection and Immunity, School of Medicine, Cardiff University, Cardiff, U.K
| | - Brandon Kayser
- Sorbonne Universités, INSERM, UMRS 1166, Nutriomics Team, Institute of Cardiometabolism and Nutrition, Paris, France
| | - Ashfaq Ali
- Steno Diabetes Center Copenhagen, Gentofte, Denmark
| | - Linda Ahonen
- Steno Diabetes Center Copenhagen, Gentofte, Denmark
| | - Susanna Lallukka
- Minerva Foundation Institute for Medical Research, Helsinki, Finland.,Department of Medicine, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
| | - Véronique Pelloux
- Sorbonne Universités, INSERM, UMRS 1166, Nutriomics Team, Institute of Cardiometabolism and Nutrition, Paris, France
| | - Melania Gaggini
- Institute of Clinical Physiology, Consiglio Nazionale delle Ricerche, Pisa, Italy
| | - Ching Jian
- Immunobiology Research Program, Department of Bacteriology and Immunology, University of Helsinki, Helsinki, Finland
| | - Antti Hakkarainen
- Helsinki Medical Imaging Centre, Radiology, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
| | - Nina Lundbom
- Helsinki Medical Imaging Centre, Radiology, Helsinki University Hospital and University of Helsinki, Helsinki, Finland
| | - Helena Gylling
- Department of Medicine, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
| | - Anne Salonen
- Immunobiology Research Program, Department of Bacteriology and Immunology, University of Helsinki, Helsinki, Finland
| | - Matej Orešič
- Steno Diabetes Center Copenhagen, Gentofte, Denmark.,School of Medical Sciences, Örebro University, Örebro, Sweden.,Turku Centre for Biotechnology, University of Turku and Åbo Akademi University, Turku, Finland
| | - Tuulia Hyötyläinen
- Steno Diabetes Center Copenhagen, Gentofte, Denmark.,Department of Chemistry, Örebro University, Örebro, Sweden
| | | | - Aila Rissanen
- Obesity Research Unit, Department of Psychiatry, Helsinki University Central Hospital, Helsinki, Finland
| | - Amalia Gastaldelli
- Institute of Clinical Physiology, Consiglio Nazionale delle Ricerche, Pisa, Italy
| | - Karine Clément
- Sorbonne Universités, INSERM, UMRS 1166, Nutriomics Team, Institute of Cardiometabolism and Nutrition, Paris, France.,Nutrition Department, Pitié-Salpêtrière Hospital, Assistance Publique-Hôpitaux de Paris, Paris, France
| | - Leanne Hodson
- Oxford Centre for Diabetes, Endocrinology and Metabolism, University of Oxford, Oxford, U.K
| | - Hannele Yki-Järvinen
- Minerva Foundation Institute for Medical Research, Helsinki, Finland .,Department of Medicine, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
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11
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Berntzen B, Jukarainen S, Kataja M, Hakkarainen A, Lundbom J, Lundbom N, Tammelin T, Simonen R, Piirilä P, Rissanen A, Kaprio J, Paavonen EJ, Pietiläinen KH. Physical activity, cardiorespiratory fitness, and metabolic outcomes in monozygotic twin pairs discordant for body mass index. Scand J Med Sci Sports 2017; 28:1048-1055. [DOI: 10.1111/sms.12975] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/17/2017] [Indexed: 12/19/2022]
Affiliation(s)
- B. Berntzen
- Obesity Research Unit; Research Programs Unit; Diabetes and Obesity, Biomedicum Helsinki; University of Helsinki; Helsinki Finland
| | - S. Jukarainen
- Obesity Research Unit; Research Programs Unit; Diabetes and Obesity, Biomedicum Helsinki; University of Helsinki; Helsinki Finland
| | - M. Kataja
- Obesity Research Unit; Research Programs Unit; Diabetes and Obesity, Biomedicum Helsinki; University of Helsinki; Helsinki Finland
| | - A. Hakkarainen
- Helsinki Medical Imaging Center; University of Helsinki; Helsinki Finland
| | - J. Lundbom
- Helsinki Medical Imaging Center; University of Helsinki; Helsinki Finland
- German Diabetes Center; Leibniz Center for Diabetes Research; Institute for Clinical Diabetology; Heinrich Heine University; Düsseldorf Germany
| | - N. Lundbom
- Helsinki Medical Imaging Center; University of Helsinki; Helsinki Finland
| | - T. Tammelin
- LIKES Research Centre for Physical Activity and Health Sciences; Jyväskylä Finland
| | - R. Simonen
- Finnish Institute of Occupational Health; Helsinki Finland
| | - P. Piirilä
- Unit of Clinical Physiology; Helsinki University Hospital and University of Helsinki; Helsinki Finland
| | - A. Rissanen
- Obesity Research Unit; Research Programs Unit; Diabetes and Obesity, Biomedicum Helsinki; University of Helsinki; Helsinki Finland
| | - J. Kaprio
- Department of Public Health; Finnish Twin Cohort Study; University of Helsinki; Helsinki Finland
- FIMM; Institute for Molecular Medicine Finland; University of Helsinki; Helsinki Finland
| | - E. J. Paavonen
- Child Psychiatry; Helsinki University Hospital and University of Helsinki; Helsinki Finland
- Department of Health; National Institute for Health and Welfare; Helsinki Finland
| | - K. H. Pietiläinen
- Obesity Research Unit; Research Programs Unit; Diabetes and Obesity, Biomedicum Helsinki; University of Helsinki; Helsinki Finland
- Endocrinology; Abdominal Center; Obesity Center; Helsinki University Hospital and University of Helsinki; Helsinki Finland
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12
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Vihma V, Naukkarinen J, Turpeinen U, Hämäläinen E, Kaprio J, Rissanen A, Heinonen S, Hakkarainen A, Lundbom J, Lundbom N, Mikkola TS, Tikkanen MJ, Pietiläinen KH. Metabolism of sex steroids is influenced by acquired adiposity-A study of young adult male monozygotic twin pairs. J Steroid Biochem Mol Biol 2017; 172:98-105. [PMID: 28619249 DOI: 10.1016/j.jsbmb.2017.06.007] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/17/2017] [Revised: 06/08/2017] [Accepted: 06/11/2017] [Indexed: 10/19/2022]
Abstract
Obesity and ageing are associated with lower serum testosterone levels in men. How fat distribution or adipose tissue metabolism, independent of genetic factors and age, are related to sex steroid metabolism is less clear. We studied the associations between adiposity and serum sex hormone concentrations, and mRNA expression of genes regulating sex hormone metabolism in adipose tissue in young adult male monozygotic (MZ) twin pairs. The subjects [n=18 pairs; mean age, 32 years; individual body mass indexes (BMIs) 22-36kg/m2] included 9 male MZ twin pairs discordant for BMI [intra-pair difference (Δ) in BMI ≥3kg/m2]. Sex steroid concentrations were determined by liquid chromatography-tandem mass spectrometry, body composition by dual-energy X-ray absorptiometry and magnetic resonance imaging, and mRNA expressions from subcutaneous adipose tissue by Affymetrix. In BMI-discordant pairs (mean ΔBMI=5.9kg/m2), serum dihydrotestosterone (DHT) was lower [mean 1.9 (SD 0.7) vs. 2.4 (1.0) nmol/l, P=0.040] and mRNA expressions of DHT-inactivating AKR1C2 (P=0.021) and cortisol-producing HSD11B1 (P=0.008) higher in the heavier compared to the leaner co-twins. Serum free 17β-estradiol (E2) was higher [2.3 (0.5) vs. 1.9 (0.5) pmol/l, P=0.028], and in all twin pairs, serum E2 and estrone concentrations were higher in the heavier than in the leaner co-twins [107 (28) vs. 90 (22) pmol/l, P=0.006; and 123 (43) vs. 105 (27) pmol/l, P=0.025]. Within all twin pairs, i.e. independent of genetic effects and age, 1) the amount of subcutaneous fat inversely correlated with serum total and free testosterone, DHT, and sex hormone-binding globulin (SHBG) concentrations (P<0.01 for all), 2) intra-abdominal fat with total testosterone and SHBG (P<0.05), and 3) liver fat with SHBG (P=0.006). Also, 4) general and intra-abdominal adiposity correlated positively with mRNA expressions of AKR1C2, HSD11B1, and aromatase in adipose tissue (P<0.05). In conclusion, acquired adiposity was associated with decreased serum DHT and increased estrogen concentrations, independent of genetic factors and age. The reduction of DHT could be linked to its increased degradation (by AKR1C2 and HSD11B1) and increased estrogen levels to increased adiposity-related expression of aromatase in adipose tissue.
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Affiliation(s)
- Veera Vihma
- University of Helsinki and Helsinki University Hospital, Heart and Lung Center, Biomedicum C415, Haartmaninkatu 8, 00290 Helsinki, Finland; Folkhälsan Research Center, P.O. Box 63, 00014, University of Helsinki, Finland.
| | - Jussi Naukkarinen
- University of Helsinki, Research Programs Unit, Diabetes and Obesity, Obesity Research Unit, P.O. Box 63, 00014, University of Helsinki, Finland; University of Helsinki, FIMM, Institute for Molecular Medicine Finland, P.O. Box 20, 00014, University of Helsinki, Finland
| | - Ursula Turpeinen
- Helsinki University Hospital, HUSLAB, P.O. Box 720, 00029 HUS, Helsinki, Finland
| | - Esa Hämäläinen
- Helsinki University Hospital, HUSLAB, P.O. Box 720, 00029 HUS, Helsinki, Finland
| | - Jaakko Kaprio
- University of Helsinki, FIMM, Institute for Molecular Medicine Finland, P.O. Box 20, 00014, University of Helsinki, Finland
| | - Aila Rissanen
- University of Helsinki, Research Programs Unit, Diabetes and Obesity, Obesity Research Unit, P.O. Box 63, 00014, University of Helsinki, Finland
| | - Sini Heinonen
- University of Helsinki, Research Programs Unit, Diabetes and Obesity, Obesity Research Unit, P.O. Box 63, 00014, University of Helsinki, Finland
| | - Antti Hakkarainen
- University of Helsinki and HUS Medical Imaging Center, Helsinki University Hospital, Haartmaninkatu 4, 00290 Helsinki, Finland
| | - Jesper Lundbom
- University of Helsinki and HUS Medical Imaging Center, Helsinki University Hospital, Haartmaninkatu 4, 00290 Helsinki, Finland
| | - Nina Lundbom
- University of Helsinki and HUS Medical Imaging Center, Helsinki University Hospital, Haartmaninkatu 4, 00290 Helsinki, Finland
| | - Tomi S Mikkola
- Folkhälsan Research Center, P.O. Box 63, 00014, University of Helsinki, Finland; Helsinki University Hospital, Obstetrics and Gynecology, P.O. Box 140, 00029 HUS, Helsinki, Finland
| | - Matti J Tikkanen
- University of Helsinki and Helsinki University Hospital, Heart and Lung Center, Biomedicum C415, Haartmaninkatu 8, 00290 Helsinki, Finland; Folkhälsan Research Center, P.O. Box 63, 00014, University of Helsinki, Finland
| | - Kirsi H Pietiläinen
- University of Helsinki, Research Programs Unit, Diabetes and Obesity, Obesity Research Unit, P.O. Box 63, 00014, University of Helsinki, Finland; Helsinki University Hospital, Endocrinology, Abdominal Center, P.O. Box 340, 00029 HUS, Helsinki, Finland
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13
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Silventoinen K, Jelenkovic A, Sund R, Yokoyama Y, Hur YM, Cozen W, Hwang AE, Mack TM, Honda C, Inui F, Iwatani Y, Watanabe M, Tomizawa R, Pietiläinen KH, Rissanen A, Siribaddana SH, Hotopf M, Sumathipala A, Rijsdijk F, Tan Q, Zhang D, Pang Z, Piirtola M, Aaltonen S, Öncel SY, Aliev F, Rebato E, Hjelmborg JB, Christensen K, Skytthe A, Kyvik KO, Silberg JL, Eaves LJ, Cutler TL, Ordoñana JR, Sánchez-Romera JF, Colodro-Conde L, Song YM, Yang S, Lee K, Franz CE, Kremen WS, Lyons MJ, Busjahn A, Nelson TL, Whitfield KE, Kandler C, Jang KL, Gatz M, Butler DA, Stazi MA, Fagnani C, D’Ippolito C, Duncan GE, Buchwald D, Martin NG, Medland SE, Montgomery GW, Jeong HU, Swan GE, Krasnow R, Magnusson PKE, Pedersen NL, Dahl Aslan AK, McAdams TA, Eley TC, Gregory AM, Tynelius P, Baker LA, Tuvblad C, Bayasgalan G, Narandalai D, Spector TD, Mangino M, Lachance G, Burt SA, Klump KL, Harris JR, Brandt I, Nilsen TS, Krueger RF, McGue M, Pahlen S, Corley RP, Huibregtse BM, Bartels M, van Beijsterveldt CEM, Willemsen G, Goldberg JH, Rasmussen F, Tarnoki AD, Tarnoki DL, Derom CA, Vlietinck RF, Loos RJF, Hopper JL, Sung J, Maes HH, Turkheimer E, Boomsma DI, Sørensen TIA, Kaprio J. Differences in genetic and environmental variation in adult BMI by sex, age, time period, and region: an individual-based pooled analysis of 40 twin cohorts. Am J Clin Nutr 2017; 106:457-466. [PMID: 28679550 PMCID: PMC5525120 DOI: 10.3945/ajcn.117.153643] [Citation(s) in RCA: 82] [Impact Index Per Article: 11.7] [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: 01/26/2017] [Accepted: 06/08/2017] [Indexed: 12/20/2022] Open
Abstract
Background: Genes and the environment contribute to variation in adult body mass index [BMI (in kg/m2)], but factors modifying these variance components are poorly understood.Objective: We analyzed genetic and environmental variation in BMI between men and women from young adulthood to old age from the 1940s to the 2000s and between cultural-geographic regions representing high (North America and Australia), moderate (Europe), and low (East Asia) prevalence of obesity.Design: We used genetic structural equation modeling to analyze BMI in twins ≥20 y of age from 40 cohorts representing 20 countries (140,379 complete twin pairs).Results: The heritability of BMI decreased from 0.77 (95% CI: 0.77, 0.78) and 0.75 (95% CI: 0.74, 0.75) in men and women 20-29 y of age to 0.57 (95% CI: 0.54, 0.60) and 0.59 (95% CI: 0.53, 0.65) in men 70-79 y of age and women 80 y of age, respectively. The relative influence of unique environmental factors correspondingly increased. Differences in the sets of genes affecting BMI in men and women increased from 20-29 to 60-69 y of age. Mean BMI and variances in BMI increased from the 1940s to the 2000s and were greatest in North America and Australia, followed by Europe and East Asia. However, heritability estimates were largely similar over measurement years and between regions. There was no evidence of environmental factors shared by co-twins affecting BMI.Conclusions: The heritability of BMI decreased and differences in the sets of genes affecting BMI in men and women increased from young adulthood to old age. The heritability of BMI was largely similar between cultural-geographic regions and measurement years, despite large differences in mean BMI and variances in BMI. Our results show a strong influence of genetic factors on BMI, especially in early adulthood, regardless of the obesity level in the population.
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Affiliation(s)
- Karri Silventoinen
- Departments of Social Research and .,Osaka University Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Aline Jelenkovic
- Departments of Social Research and,Department of Genetics, Physical Anthropology, and Animal Physiology, University of the Basque Country, Leioa, Spain
| | - Reijo Sund
- Departments of Social Research and,Institute of Clinical Medicine, University of Eastern Finland, Kuopio, Finland
| | - Yoshie Yokoyama
- Department of Public Health Nursing, Osaka City University, Osaka, Japan
| | - Yoon-Mi Hur
- Department of Education, Mokpo National University, Jeonnam, South Korea
| | - Wendy Cozen
- Department of Preventive Medicine, Keck School of Medicine,,Norris Comprehensive Cancer Center, and
| | - Amie E Hwang
- Department of Preventive Medicine, Keck School of Medicine
| | - Thomas M Mack
- Department of Preventive Medicine, Keck School of Medicine,,Norris Comprehensive Cancer Center, and
| | - Chika Honda
- Osaka University Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Fujio Inui
- Osaka University Graduate School of Medicine, Osaka University, Osaka, Japan;,Faculty of Health Science, Kio University, Nara, Japan
| | - Yoshinori Iwatani
- Osaka University Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Mikio Watanabe
- Osaka University Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Rie Tomizawa
- Osaka University Graduate School of Medicine, Osaka University, Osaka, Japan
| | - Kirsi H Pietiläinen
- Obesity Research Unit, Research Programs Unit, University of Helsinki, Helsinki, Finland;,Endocrinology, Abdominal Center, Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland
| | - Aila Rissanen
- Obesity Research Unit, Research Programs Unit, University of Helsinki, Helsinki, Finland;,Endocrinology, Abdominal Center, Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland
| | - Sisira H Siribaddana
- Institute of Research and Development, Battaramulla, Sri Lanka;,Faculty of Medicine and Allied Sciences, Rajarata University of Sri Lanka, Saliyapura, Sri Lanka
| | - Matthew Hotopf
- National Institute for Health Research Mental Health Biomedical Research Centre, South London and Maudsley National Health Service Foundation Trust, Institute of Psychiatry Psychology and Neuroscience
| | - Athula Sumathipala
- Institute of Research and Development, Battaramulla, Sri Lanka;,Research Institute for Primary Care and Health Sciences, School for Primary Care Research, Faculty of Health, Keele University, Staffordshire, United Kingdom
| | - Fruhling Rijsdijk
- Medical Research Council Social, Genetic, and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology, and Neuroscience, and
| | - Qihua Tan
- Unit of Epidemiology, Biostatistics, and Biodemography, Departments of Public Health and
| | - Dongfeng Zhang
- Department of Public Health, Qingdao University Medical College, Qingdao, China
| | - Zengchang Pang
- Department of Noncommunicable Diseases Prevention, Qingdao Centers for Disease Control and Prevention, Qingdao, China
| | - Maarit Piirtola
- Departments of Social Research and,Institute for Molecular Medicine, Helsinki, Finland
| | - Sari Aaltonen
- Departments of Social Research and,Public Health, and
| | - Sevgi Y Öncel
- Department of Statistics, Faculty of Arts and Sciences, Kırıkkale University, Kırıkkale, Turkey
| | - Fazil Aliev
- Faculty of Business, Karabuk University, Karabuk, Turkey;,Departments of Psychology and,African American Studies
| | - Esther Rebato
- Department of Genetics, Physical Anthropology, and Animal Physiology, University of the Basque Country, Leioa, Spain
| | | | - Kaare Christensen
- The Danish Twin Registry,,Departments of Clinical Biochemistry and Pharmacology and Clinical Genetics, and
| | | | - Kirsten O Kyvik
- Clinical Research, University of Southern Denmark, Odense, Denmark;,Odense Patient Data Explorative Network, Odense University Hospital, Odense, Denmark
| | - Judy L Silberg
- Department of Human and Molecular Genetics, Virginia Institute for Psychiatric and Behavioral Genetics, and
| | - Lindon J Eaves
- Department of Human and Molecular Genetics, Virginia Institute for Psychiatric and Behavioral Genetics, and
| | - Tessa L Cutler
- The Australian Twin Registry, Centre for Epidemiology and Biostatistics, University of Melbourne, Melbourne, Victoria, Australia
| | - Juan R Ordoñana
- Department of Human Anatomy and Psychobiology, University of Murcia, Murcia, Spain;,Biomedical Research Institute of Murcia (IMIB)-Arrixaca, Murcia, Spain
| | - Juan F Sánchez-Romera
- Department of Human Anatomy and Psychobiology, University of Murcia, Murcia, Spain;,Biomedical Research Institute of Murcia (IMIB)-Arrixaca, Murcia, Spain
| | - Lucia Colodro-Conde
- Department of Human Anatomy and Psychobiology, University of Murcia, Murcia, Spain;,Quantitative Genetics Laboratory and
| | - Yun-Mi Song
- Department of Family Medicine, Samsung Medical Center, Sungkyunkwan University School of Medicine, Seoul, South Korea
| | - Sarah Yang
- Department of Epidemiology, School of Public Health, and,Institute of Health and Environment, Seoul National University, Seoul, South Korea
| | - Kayoung Lee
- Department of Family Medicine, Busan Paik Hospital, Inje University College of Medicine, Busan, Korea
| | - Carol E Franz
- Department of Psychiatry, University of California, San Diego, CA
| | - William S Kremen
- Department of Psychiatry, University of California, San Diego, CA;,US Department of Veterans Affairs San Diego Center of Excellence for Stress and Mental Health, La Jolla, CA
| | | | | | - Tracy L Nelson
- Department of Health and Exercise Sciences, Colorado School of Public Health, Colorado State University, Aurora, CO
| | | | | | - Kerry L Jang
- Department of Psychiatry, University of British Columbia, Vancouver, British Columbia, Canada; Departments of
| | - Margaret Gatz
- Department of Psychology, University of Southern California, Los Angeles, CA;,Medical Epidemiology and Biostatistics and
| | - David A Butler
- Health and Medicine Division, National Academies of Sciences, Engineering, and Medicine, Washington, DC
| | - Maria A Stazi
- Italian National Institute of Health National Center for Epidemiology, Surveillance, and Health Promotion, Rome, Italy
| | - Corrado Fagnani
- Italian National Institute of Health National Center for Epidemiology, Surveillance, and Health Promotion, Rome, Italy
| | - Cristina D’Ippolito
- Italian National Institute of Health National Center for Epidemiology, Surveillance, and Health Promotion, Rome, Italy
| | - Glen E Duncan
- Washington State Twin Registry, Health Sciences, Washington State University, Spokane, WA
| | - Dedra Buchwald
- Washington State Twin Registry, Health Sciences, Washington State University, Spokane, WA
| | - Nicholas G Martin
- Genetic Epidemiology Department, Queensland Institute of Medical Research Berghofer Medical Research Institute, Brisbane, Australia
| | - Sarah E Medland
- Genetic Epidemiology Department, Queensland Institute of Medical Research Berghofer Medical Research Institute, Brisbane, Australia
| | - Grant W Montgomery
- Molecular Bioscience, University of Queensland, Brisbane, Queensland, Australia
| | - Hoe-Uk Jeong
- Department of Education, Mokpo National University, Jeonnam, South Korea
| | - Gary E Swan
- Department of Medicine, Stanford Prevention Research Center, Stanford University School of Medicine, Stanford, CA
| | - Ruth Krasnow
- Center for Health Sciences, SRI International, Menlo Park, CA
| | | | | | - Anna K Dahl Aslan
- Medical Epidemiology and Biostatistics and,Institute of Gerontology and Aging Research Network, School of Health and Welfare, Jönköping University, Jönköping, Sweden
| | - Tom A McAdams
- Medical Research Council Social, Genetic, and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology, and Neuroscience, and
| | - Thalia C Eley
- Medical Research Council Social, Genetic, and Developmental Psychiatry Centre, Institute of Psychiatry, Psychology, and Neuroscience, and
| | - Alice M Gregory
- Department of Psychology, Goldsmiths, University of London, London, United Kingdom
| | - Per Tynelius
- Public Health Sciences, Karolinska Institutet, Stockholm, Sweden
| | - Laura A Baker
- Department of Psychology, University of Southern California, Los Angeles, CA
| | - Catherine Tuvblad
- Department of Psychology, University of Southern California, Los Angeles, CA;,School of Law, Psychology, and Social Work, Örebro University, Örebro, Sweden
| | | | - Danshiitsoodol Narandalai
- Healthy Twin Association of Mongolia, Ulaanbaatar, Mongolia;,Graduate School of Biomedical and Health Sciences, Hiroshima University, Hiroshima, Japan
| | - Timothy D Spector
- Department of Twin Research and Genetic Epidemiology, King’s College London, London, United Kingdom
| | - Massimo Mangino
- Department of Twin Research and Genetic Epidemiology, King’s College London, London, United Kingdom;,National Institute for Health Research Biomedical Research Centre at Guy’s and St. Thomas’ Foundation Trust, London, United Kingdom
| | - Genevieve Lachance
- Department of Twin Research and Genetic Epidemiology, King’s College London, London, United Kingdom
| | | | | | | | | | | | - Robert F Krueger
- Department of Psychology, University of Minnesota, Minneapolis, MN
| | - Matt McGue
- Department of Psychology, University of Minnesota, Minneapolis, MN
| | - Shandell Pahlen
- Department of Psychology, University of Minnesota, Minneapolis, MN
| | - Robin P Corley
- Institute for Behavioral Genetics, University of Colorado, Boulder, Colorado
| | - Brooke M Huibregtse
- Institute for Behavioral Genetics, University of Colorado, Boulder, Colorado
| | - Meike Bartels
- Department of Biological Psychology, VU University Amsterdam, Amsterdam, Netherlands
| | | | - Gonneke Willemsen
- Department of Biological Psychology, VU University Amsterdam, Amsterdam, Netherlands
| | - Jack H Goldberg
- Department of Epidemiology, School of Public Health, University of Washington, Seattle, WA
| | - Finn Rasmussen
- Public Health Sciences, Karolinska Institutet, Stockholm, Sweden
| | - Adam D Tarnoki
- Department of Radiology, Semmelweis University, Budapest, Hungary;,Hungarian Twin Registry, Budapest, Hungary
| | - David L Tarnoki
- Department of Radiology, Semmelweis University, Budapest, Hungary;,Hungarian Twin Registry, Budapest, Hungary
| | - Catherine A Derom
- Centre of Human Genetics, University Hospitals Leuven, Leuven, Belgium;,Department of Obstetrics and Gynaecology, Ghent University Hospitals, Ghent, Belgium
| | | | - Ruth JF Loos
- Charles Bronfman Institute for Personalized Medicine, Mindich Child Health and Development Institute, Icahn School of Medicine at Mount Sinai, New York, NY
| | - John L Hopper
- Department of Epidemiology, School of Public Health, and,The Australian Twin Registry, Centre for Epidemiology and Biostatistics, University of Melbourne, Melbourne, Victoria, Australia
| | - Joohon Sung
- Department of Epidemiology, School of Public Health, and,Institute of Health and Environment, Seoul National University, Seoul, South Korea
| | - Hermine H Maes
- Departments of Human and Molecular Genetics and Psychiatry, Massey Cancer Center, Virginia Commonwealth University, Richmond, VA
| | - Eric Turkheimer
- Department of Psychology, University of Virginia, Charlottesville, VA
| | - Dorret I Boomsma
- Department of Biological Psychology, VU University Amsterdam, Amsterdam, Netherlands
| | - Thorkild IA Sørensen
- Section on Metabolic Genetics, Novo Nordisk Foundation Centre for Basic Metabolic Research, Copenhagen, Denmark;,Department of Public Health, Faculty of Health and Medical Sciences, University of Copenhagen, Copenhagen, Denmark; and,Department of Clinical Epidemiology, Bispebjerg and Frederiksberg Hospitals, Copenhagen, Denmark
| | - Jaakko Kaprio
- Public Health, and,Institute for Molecular Medicine, Helsinki, Finland
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14
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Kaye S, Lokki AI, Hanttu A, Nissilä E, Heinonen S, Hakkarainen A, Lundbom J, Lundbom N, Saarinen L, Tynninen O, Muniandy M, Rissanen A, Kaprio J, Meri S, Pietiläinen KH. Upregulation of Early and Downregulation of Terminal Pathway Complement Genes in Subcutaneous Adipose Tissue and Adipocytes in Acquired Obesity. Front Immunol 2017; 8:545. [PMID: 28559893 PMCID: PMC5432622 DOI: 10.3389/fimmu.2017.00545] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [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: 02/07/2017] [Accepted: 04/24/2017] [Indexed: 12/11/2022] Open
Abstract
Inflammation is an important mediator of obesity-related complications such as the metabolic syndrome but its causes and mechanisms are unknown. As the complement system is a key mediator of inflammation, we studied whether it is activated in acquired obesity in subcutaneous adipose tissue (AT) and isolated adipocytes. We used a special study design of genetically matched controls of lean and heavy groups, rare monozygotic twin pairs discordant for body mass index (BMI) [n = 26, within-pair difference (Δ) in body mass index, BMI >3 kg/m2] with as much as 18 kg mean Δweight. Additionally, 14 BMI-concordant (BMI <3 kg/m2) served as a reference group. The detailed measurements included body composition (DEXA), fat distribution (MRI), glucose, insulin, adipokines, C3a and SC5b-9 levels, and the expression of complement and insulin signaling pathway-related genes in AT and adipocytes. In both AT and isolated adipocytes, the classical and alternative pathway genes were upregulated, and the terminal pathway genes downregulated in the heavier co-twins of the BMI-discordant pairs. The upregulated genes included C1q, C1s, C2, ficolin-1, factor H, receptors for C3a and C5a (C5aR1), and the iC3b receptor (CR3). While the terminal pathway components C5 and C6 were downregulated, its inhibitor clusterin was upregulated. Complement gene upregulation in AT and adipocytes correlated positively with adiposity and hyperinsulinemia and negatively with the expression of insulin signaling-related genes. Plasma C3a, but not SC5b-9, levels were elevated in the heavier co-twins. There were no differences between the co-twins in BMI-concordant pairs. Obesity is associated with increased expression of the early, but not late, complement pathway components and of key receptors. The twins with acquired obesity have therefore an inflated inflammatory activity in the AT. The results suggest that complement is likely involved in orchestrating clearance of apoptotic debris and inflammation in the AT.
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Affiliation(s)
- Sanna Kaye
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, University of Helsinki, Helsinki, Finland.,Helsinki Haartman City Hospital, Department of Emergency Care, Helsinki, Finland
| | - A Inkeri Lokki
- Department of Bacteriology and Immunology, University of Helsinki and Helsinki Central Hospital, Helsinki, Finland.,Immunobiology Research Program, Research Programs Unit, University of Helsinki, Helsinki, Finland.,Department of Medical and Clinical Genetics, Helsinki University Central Hospital, University of Helsinki, Helsinki, Finland
| | - Anna Hanttu
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, University of Helsinki, Helsinki, Finland
| | - Eija Nissilä
- Department of Bacteriology and Immunology, University of Helsinki and Helsinki Central Hospital, Helsinki, Finland.,Immunobiology Research Program, Research Programs Unit, University of Helsinki, Helsinki, Finland
| | - Sini Heinonen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, University of Helsinki, Helsinki, Finland
| | - Antti Hakkarainen
- HUS Medical Imaging Center, Radiology, Helsinki University Hospital, University of Helsinki, Helsinki, Finland
| | - Jesper Lundbom
- HUS Medical Imaging Center, Radiology, Helsinki University Hospital, University of Helsinki, Helsinki, Finland
| | - Nina Lundbom
- HUS Medical Imaging Center, Radiology, Helsinki University Hospital, University of Helsinki, Helsinki, Finland
| | - Lilli Saarinen
- Genome-Scale Biology Research Program, Research Programs Unit, University of Helsinki, Helsinki, Finland
| | - Olli Tynninen
- Department of Pathology, University of Helsinki and HUSLAB, Helsinki University Hospital, Helsinki, Finland
| | - Maheswary Muniandy
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, University of Helsinki, Helsinki, Finland.,Department of Public Health, University of Helsinki, Helsinki, Finland
| | - Aila Rissanen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, University of Helsinki, Helsinki, Finland.,Department of Psychiatry, Helsinki University Central Hospital, Helsinki, Finland
| | - Jaakko Kaprio
- Department of Public Health, University of Helsinki, Helsinki, Finland.,Institute for Molecular Medicine FIMM, University of Helsinki, Helsinki, Finland
| | - Seppo Meri
- Department of Bacteriology and Immunology, University of Helsinki and Helsinki Central Hospital, Helsinki, Finland.,Immunobiology Research Program, Research Programs Unit, University of Helsinki, Helsinki, Finland
| | - Kirsi H Pietiläinen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, University of Helsinki, Helsinki, Finland.,Obesity Center, Endocrinology, Abdominal Center, Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland
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15
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Jukarainen S, Holst R, Dalgård C, Piirilä P, Lundbom J, Hakkarainen A, Lundbom N, Rissanen A, Kaprio J, Kyvik KO, Sørensen TIA, Pietiläinen KH. Cardiorespiratory Fitness and Adiposity as Determinants of Metabolic Health-Pooled Analysis of Two Twin Cohorts. J Clin Endocrinol Metab 2017; 102:1520-1528. [PMID: 28324016 DOI: 10.1210/jc.2016-3435] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/12/2016] [Accepted: 01/18/2017] [Indexed: 11/19/2022]
Abstract
CONTEXT The joint effects of cardiorespiratory fitness (CRF) and body composition on metabolic health are not well known. OBJECTIVE To examine the associations of CRF, fat-free mass index (FFMI), and fat mass index (FMI) with metabolic health in individual twins and controlling for genetic and shared environmental effects by studying monozygotic intrapair differences. DESIGN, SETTING, AND PARTICIPANTS Two cross-sectional samples of healthy adult monozygotic and dizygotic twins were drawn from population-based Danish and Finnish national twin registries (n = 996 and n = 309). MAIN MEASURES CRF was defined as VO2max divided by fat-free mass. Insulin sensitivity and acute insulin response indices were derived from an oral glucose tolerance test. A continuous metabolic syndrome score was calculated. Visceral and liver fat were measured in the Finnish sample. Associations were analyzed separately in both cohorts with multivariate linear regression and aggregated with meta-analytic methods. RESULTS Insulin sensitivity, acute insulin response, metabolic syndrome score, visceral, and liver fat amount had strong and statistically significant associations with FMI (|β| 0.53 to 0.79), whereas their associations with CRF and FFMI were at most weak (|β| 0.02 to 0.15). The results of the monozygotic intrapair differences analysis showed the same pattern. CONCLUSIONS Although FMI is strongly associated with worsening of metabolic health traits, even after controlling for genetic and shared environmental factors, there was little evidence for the effects of CRF or FFMI on metabolic health. This suggests that changing FMI rather than CRF or FFMI may affect metabolic health irrespective of genetic or early environmental determinants.
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Affiliation(s)
- Sakari Jukarainen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, University of Helsinki, 00290 Helsinki, Finland
| | - René Holst
- Institute of Regional Health Service Research, University of Southern Denmark, 5230 Odense, Denmark
- Oslo Centre for Biostatistics and Epidemiology, University of Oslo and Oslo University Hospital, 0313 Oslo, Norway
| | - Christine Dalgård
- Department of Public Health - Environmental Medicine, University of Southern Denmark, 5230 Odense, Denmark
- Danish Twin Registry, University of Southern Denmark, 5230 Odense, Denmark
| | - Päivi Piirilä
- Unit of Clinical Physiology, Helsinki University Hospital and University of Helsinki, Meilahti Hospital, 00290 Helsinki, Finland
| | - Jesper Lundbom
- Helsinki Medical Imaging Center, Radiology, University of Helsinki, 00290 Helsinki, Finland
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research, Heinrich Heine University, 40225 Düsseldorf, Germany
| | - Antti Hakkarainen
- Helsinki Medical Imaging Center, Radiology, University of Helsinki, 00290 Helsinki, Finland
| | - Nina Lundbom
- Helsinki Medical Imaging Center, Radiology, University of Helsinki, 00290 Helsinki, Finland
| | - Aila Rissanen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, University of Helsinki, 00290 Helsinki, Finland
| | - Jaakko Kaprio
- Department of Public Health, University of Helsinki, 00300 Helsinki, Finland
- Institute for Molecular Medicine Finland, University of Helsinki, 00290 Helsinki, Finland
| | - Kirsten Ohm Kyvik
- Odense Patient Data Explorative Network, Odense University Hospital, 5000 Odense, Denmark
- Department of Clinical Research, University of Southern Denmark, 5200 Odense, Denmark
- Danish Twin Registry, University of Southern Denmark, 5230 Odense, Denmark
| | - Thorkild I A Sørensen
- Novo Nordisk Foundation Center for Basic Metabolic Research, Section on Metabolic Genetics, Faculty of Health and Medical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
- Department of Public Health, Faculty of Health and Medical Sciences, University of Copenhagen, 2200 Copenhagen, Denmark
- Department of Clinical Epidemiology (formerly Institute of Preventive Medicine), Bispebjerg and Frederiksberg Hospitals, The Capital Region, 2400 Copenhagen, Denmark
| | - Kirsi H Pietiläinen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, University of Helsinki, 00290 Helsinki, Finland
- Endocrinology, Abdominal Center, Helsinki University Central Hospital and University of Helsinki, 00290 Helsinki, Finland
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16
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Rutter H, Bes-Rastrollo M, de Henauw S, Lahti-Koski M, Lehtinen-Jacks S, Mullerova D, Rasmussen F, Rissanen A, Visscher TL, Lissner L. Balancing Upstream and Downstream Measures to Tackle the Obesity Epidemic: A Position Statement from the European Association for the Study of Obesity. Obes Facts 2017; 10:61-63. [PMID: 28245444 PMCID: PMC5644948 DOI: 10.1159/000455960] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/28/2016] [Accepted: 11/03/2016] [Indexed: 12/12/2022] Open
Affiliation(s)
- Harry Rutter
- ECOHOST – The Centre for Health and Social Change, London School of Hygiene and Tropical Medicine, London, UK
- *Dr. Harry Rutter, London School of Hygiene and Tropical Medicine, 15-17 Tavistock Place, London WC1H 9SH, UK,
| | - Maira Bes-Rastrollo
- Department of Preventive Medicine and Public Health, University of Navarra, and CIBERobn, Instituto de Salud Carlos III, and Navarra's Health Research Institute (IDISNA), Pamplona, Spain
| | - Stefaan de Henauw
- Department of Public Health, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium
| | | | - Susanna Lehtinen-Jacks
- Faculty of Social Sciences (SOC) / Health Sciences, University of Tampere, Tampere, Finland
| | - Dana Mullerova
- Department of Public Health and Preventive Medicine, Faculty of Medicine in Pilsen, Charles University, Plzeň, Czech Republic
| | - Finn Rasmussen
- Department of Health Sciences, Lund University, Lund, Sweden
| | - Aila Rissanen
- Obesity Research Unit, Diabetes and Obesity Research Program Unit, University of Helsinki, Helsinki, Finland
| | - Tommy L.S. Visscher
- Research Group Healthy Cities, Windesheim University of Applied Sciences, Zwolle, The Netherlands
| | - Lauren Lissner
- Section for Epidemiology and Social Medicine (EPSO), Sahlgrenska Academy, University of Gothenburg, Gothenburg, Sweden
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17
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Rämö JT, Kaye SM, Jukarainen S, Bogl LH, Hakkarainen A, Lundbom J, Lundbom N, Rissanen A, Kaprio J, Matikainen N, Pietiläinen KH. Liver Fat and Insulin Sensitivity Define Metabolite Profiles During a Glucose Tolerance Test in Young Adult Twins. J Clin Endocrinol Metab 2017; 102:220-231. [PMID: 27809652 PMCID: PMC6287394 DOI: 10.1210/jc.2015-3512] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/23/2015] [Accepted: 10/31/2016] [Indexed: 12/29/2022]
Abstract
CONTEXT The associations of body mass index (BMI) and liver fat (LF) with circulating prandial metabolomic markers are incompletely understood. OBJECTIVE We aimed to characterize circulating metabolite excursions during an oral glucose tolerance test (OGTT) and evaluate whether the metabolomic signatures of BMI discordance coassociate with LF content. DESIGN, SETTING, AND PARTICIPANTS We measured 80 metabolite parameters by nuclear magnetic resonance, together with glucose and insulin, during a 2-hour OGTT in 64 monozygotic (MZ) and 73 dizygotic (DZ) twin pairs (aged 22.8 to 36.2 years). Metabolite excursions during the OGTT were compared within BMI-discordant (intrapair difference, BMI ≥ 3 kg/m2) cotwins separately within MZ and DZ pairs. Insulin-based indices were calculated from the OGTT. LF was measured by magnetic resonance spectroscopy in 25 BMI-discordant MZ pairs. Metabolite profiles were compared with respect to LF discordance (ΔLF% ≥ 2%). RESULTS We replicated many previously reported OGTT-induced metabolite excursions in all 274 individuals and report novel lipoprotein excursions. The associations between some metabolite excursions and BMI differed in MZ and DZ twins. In BMI-discordant MZ pairs (mean ΔBMI = 4.9 kg/m2) who were concordant for LF (Δ0.2%), few metabolites differed between the cotwins: very-low-density lipoprotein (VLDL) cholesterol and apolipoprotein B were elevated, and high-density lipoprotein size and concentration were decreased in the cotwins with higher BMI. In contrast, in BMI-discordant MZ pairs (ΔBMI = 6.1 kg/m2) who were discordant for LF (Δ6.8%), cotwins with higher BMI exhibited lower insulin sensitivity and widespread metabolomic differences: elevations in small VLDL and low-density lipoprotein particles, fatty acids (FAs), and isoleucine. Within all 64 MZ twin pairs, lower insulin sensitivity associated with higher levels of VLDLs, triglycerides, FAs, and isoleucine. CONCLUSIONS BMI-discordant MZ twin pairs who also are discordant for LF have more pronounced within-pair differences in metabolomics profiles during an OGTT than BMI-discordant pairs without LF discordance.
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Affiliation(s)
- Joel T Rämö
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, FI-00029, Helsinki, Finland
- Institute for Molecular Medicine Finland, FI-00014, Helsinki, Finland
| | - Sanna M Kaye
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, FI-00029, Helsinki, Finland
| | - Sakari Jukarainen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, FI-00029, Helsinki, Finland
| | - Leonie H Bogl
- Department of Public Health, University of Helsinki, FI-00014, Helsinki, Finland
| | - Antti Hakkarainen
- Department of Radiology, HUS Medical Imaging Center, Helsinki University Hospital, University of Helsinki, FI-00029, Helsinki, Finland
| | - Jesper Lundbom
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research, Heinrich Heine University, 40225, Düsseldorf, Germany
- German Center for Diabetes Research, Partner Düsseldorf, 40225, Düsseldorf, Germany
| | - Nina Lundbom
- Department of Radiology, HUS Medical Imaging Center, Helsinki University Hospital, University of Helsinki, FI-00029, Helsinki, Finland
| | - Aila Rissanen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, FI-00029, Helsinki, Finland
- Department of Psychiatry, Helsinki University Hospital, and University of Helsinki, 00014, Helsinki, Finland
| | - Jaakko Kaprio
- Institute for Molecular Medicine Finland, FI-00014, Helsinki, Finland
- Department of Public Health, University of Helsinki, FI-00014, Helsinki, Finland
- Department of Health, National Institute for Health and Welfare, FI-00014, Helsinki, Finland; and
| | - Niina Matikainen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, FI-00029, Helsinki, Finland
- Endocrinology, Abdominal Center, Helsinki University Hospital, and University of Helsinki, FI-00029, Helsinki, Finland
| | - Kirsi H Pietiläinen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, FI-00029, Helsinki, Finland
- Institute for Molecular Medicine Finland, FI-00014, Helsinki, Finland
- Endocrinology, Abdominal Center, Helsinki University Hospital, and University of Helsinki, FI-00029, Helsinki, Finland
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18
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Heinonen S, Muniandy M, Buzkova J, Mardinoglu A, Rodríguez A, Frühbeck G, Hakkarainen A, Lundbom J, Lundbom N, Kaprio J, Rissanen A, Pietiläinen KH. Mitochondria-related transcriptional signature is downregulated in adipocytes in obesity: a study of young healthy MZ twins. Diabetologia 2017; 60:169-181. [PMID: 27734103 DOI: 10.1007/s00125-016-4121-2] [Citation(s) in RCA: 50] [Impact Index Per Article: 7.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/29/2016] [Accepted: 09/09/2016] [Indexed: 01/04/2023]
Abstract
AIMS/HYPOTHESIS Low mitochondrial activity in adipose tissue is suggested to be an underlying factor in obesity and its metabolic complications. We aimed to find out whether mitochondrial measures are downregulated in obesity also in isolated adipocytes. METHODS We studied young adult monozygotic (MZ) twin pairs discordant (n = 14, intrapair difference ΔBMI ≥ 3 kg/m2) and concordant (n = 5, ΔBMI < 3 kg/m2) for BMI, identified from ten birth cohorts of 22- to 36-year-old Finnish twins. Abdominal body fat distribution (MRI), liver fat content (magnetic resonance spectroscopy), insulin sensitivity (OGTT), high-sensitivity C-reactive protein, serum lipids and adipokines were measured. Subcutaneous abdominal adipose tissue biopsies were obtained to analyse the transcriptomics patterns of the isolated adipocytes as well as of the whole adipose tissue. Mitochondrial DNA transcript levels in adipocytes were measured by quantitative real-time PCR. Western blots of oxidative phosphorylation (OXPHOS) protein levels in adipocytes were performed in obese and lean unrelated individuals. RESULTS The heavier (BMI 29.9 ± 1.0 kg/m2) co-twins of the discordant twin pairs had more subcutaneous, intra-abdominal and liver fat and were more insulin resistant (p < 0.01 for all measures) than the lighter (24.1 ± 0.9 kg/m2) co-twins. Altogether, 2538 genes in adipocytes and 2135 in adipose tissue were significantly differentially expressed (nominal p < 0.05) between the co-twins. Pathway analysis of these transcripts in both isolated adipocytes and adipose tissue revealed that the heavier co-twins displayed reduced expression of genes relating to mitochondrial pathways, a result that was replicated when analysing the pathways behind the most consistently downregulated genes in the heavier co-twins (in at least 12 out of 14 pairs). Consistently upregulated genes in adipocytes were related to inflammation. We confirmed that mitochondrial DNA transcript levels (12S RNA, 16S RNA, COX1, ND5, CYTB), expression of mitochondrial ribosomal protein transcripts and a major mitochondrial regulator PGC-1α (also known as PPARGC1A) were reduced in the heavier co-twins' adipocytes (p < 0.05). OXPHOS protein levels of complexes I and III in adipocytes were lower in obese than in lean individuals. CONCLUSIONS/INTERPRETATION Subcutaneous abdominal adipocytes in obesity show global expressional downregulation of oxidative pathways, mitochondrial transcripts and OXPHOS protein levels and upregulation of inflammatory pathways. DATA AVAILABILITY The datasets analysed and generated during the current study are available in the figshare repository, https://dx.doi.org/10.6084/m9.figshare.3806286.v1.
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Affiliation(s)
- Sini Heinonen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, University of Helsinki, Biomedicum Helsinki, C424b, P.O. Box 63, Haartmaninkatu 8, 00014, Helsinki, Finland
| | - Maheswary Muniandy
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, University of Helsinki, Biomedicum Helsinki, C424b, P.O. Box 63, Haartmaninkatu 8, 00014, Helsinki, Finland
| | - Jana Buzkova
- Research Programs Unit, Molecular Neurology, Biomedicum Helsinki, University of Helsinki, Helsinki, Finland
| | - Adil Mardinoglu
- Department of Biology and Biological Engineering, Chalmers University of Technology, Gothenburg, Sweden
- Science for Life Laboratory, KTH - Royal Institute of Technology, Stockholm, Sweden
| | - Amaia Rodríguez
- Metabolic Research Laboratory, Clínica Universidad de Navarra, Pamplona, Spain
- CIBEROBN, Instituto de Salud Carlos III, Pamplona, Spain
| | - Gema Frühbeck
- Metabolic Research Laboratory, Clínica Universidad de Navarra, Pamplona, Spain
- CIBEROBN, Instituto de Salud Carlos III, Pamplona, Spain
| | - Antti Hakkarainen
- HUS Medical Imaging Center, Radiology, Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland
| | - Jesper Lundbom
- HUS Medical Imaging Center, Radiology, Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research, Heinrich Heine University, Düsseldorf, Germany
| | - Nina Lundbom
- HUS Medical Imaging Center, Radiology, Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland
| | - Jaakko Kaprio
- FIMM, Institute for Molecular Medicine, University of Helsinki, Helsinki, Finland
- Finnish Twin Cohort Study, Department of Public Health, University of Helsinki, Helsinki, Finland
- National Institute for Health and Welfare, Department of Health, Helsinki, Finland
| | - Aila Rissanen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, University of Helsinki, Biomedicum Helsinki, C424b, P.O. Box 63, Haartmaninkatu 8, 00014, Helsinki, Finland
- Department of Psychiatry, Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland
| | - Kirsi H Pietiläinen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, University of Helsinki, Biomedicum Helsinki, C424b, P.O. Box 63, Haartmaninkatu 8, 00014, Helsinki, Finland.
- FIMM, Institute for Molecular Medicine, University of Helsinki, Helsinki, Finland.
- Endocrinology, Abdominal Center, Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland.
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19
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Stenman LK, Lehtinen MJ, Meland N, Christensen JE, Yeung N, Saarinen MT, Courtney M, Burcelin R, Lähdeaho ML, Linros J, Apter D, Scheinin M, Kloster Smerud H, Rissanen A, Lahtinen S. Probiotic With or Without Fiber Controls Body Fat Mass, Associated With Serum Zonulin, in Overweight and Obese Adults-Randomized Controlled Trial. EBioMedicine 2016; 13:190-200. [PMID: 27810310 PMCID: PMC5264483 DOI: 10.1016/j.ebiom.2016.10.036] [Citation(s) in RCA: 87] [Impact Index Per Article: 10.9] [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: 08/19/2016] [Revised: 10/17/2016] [Accepted: 10/24/2016] [Indexed: 02/06/2023] Open
Abstract
Background The gut microbiota is interlinked with obesity, but direct evidence of effects of its modulation on body fat mass is still scarce. We investigated the possible effects of Bifidobacterium animalisssp. lactis 420 (B420) and the dietary fiber Litesse® Ultra polydextrose (LU) on body fat mass and other obesity-related parameters. Methods 225 healthy volunteers (healthy, BMI 28–34.9) were randomized into four groups (1:1:1:1), using a computer-generated sequence, for 6 months of double-blind, parallel treatment: 1) Placebo, microcrystalline cellulose, 12 g/d; 2) LU, 12 g/d; 3) B420, 1010 CFU/d in microcrystalline cellulose, 12 g/d; 4) LU + B420, 12 g + 1010 CFU/d. Body composition was monitored with dual-energy X-ray absorptiometry, and the primary outcome was relative change in body fat mass, comparing treatment groups to Placebo. Other outcomes included anthropometric measurements, food intake and blood and fecal biomarkers. The study was registered in Clinicaltrials.gov (NCT01978691). Findings There were marked differences in the results of the Intention-To-Treat (ITT; n = 209) and Per Protocol (PP; n = 134) study populations. The PP analysis included only those participants who completed the intervention with > 80% product compliance and no antibiotic use. In addition, three participants were excluded from DXA analyses for PP due to a long delay between the end of intervention and the last DXA measurement. There were no significant differences between groups in body fat mass in the ITT population. However, LU + B420 and B420 seemed to improve weight management in the PP population. For relative change in body fat mass, LU + B420 showed a − 4.5% (− 1.4 kg, P = 0.02, N = 37) difference to the Placebo group, whereas LU (+ 0.3%, P = 1.00, N = 35) and B420 (− 3.0%, P = 0.28, N = 24) alone had no effect (overall ANOVA P = 0.095, Placebo N = 35). A post-hoc factorial analysis was significant for B420 (− 4.0%, P = 0.002 vs. Placebo). Changes in fat mass were most pronounced in the abdominal region, and were reflected by similar changes in waist circumference. B420 and LU + B420 also significantly reduced energy intake compared to Placebo. Changes in blood zonulin levels and hsCRP were associated with corresponding changes in trunk fat mass in the LU + B420 group and in the overall population. There were no differences between groups in the incidence of adverse events. Discussion This clinical trial demonstrates that a probiotic product with or without dietary fiber controls body fat mass. B420 and LU + B420 also reduced waist circumference and food intake, whereas LU alone had no effect on the measured outcomes. The probiotic B420 and synbiotic LU + B420 seem to control body fat mass in humans, especially in the abdominal area. B420 and LU + B420 reduce waist circumference and energy intake, but only LU + B420 increases lean body mass. Reduced body fat is associated with zonulin, a marker of epithelial permeability, supporting earlier preclinical findings.
Concise results on probiotics for weight management are lacking. Stenman et al. show in a gold standard clinical study that the probiotic B420 with or without a fiber controls body fat, waist circumference and energy intake when taken in a dietary intervention of six months. Study participants maintained habitual diet and physical activity. Stenman et al. link the benefit to changes in serum zonulin, a potential gut permeability marker. The authors have previously shown in animal studies that these gut microbiota targeting products improve metabolic health in mice by strengthening gut barrier function. These effects are now translated to humans.
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Affiliation(s)
- Lotta K Stenman
- Global Health and Nutrition Science, DuPont Nutrition & Health, FI-02460 Kantvik, Finland.
| | - Markus J Lehtinen
- Global Health and Nutrition Science, DuPont Nutrition & Health, FI-02460 Kantvik, Finland
| | - Nils Meland
- Smerud Medical Research, N-0212 Oslo, Norway
| | | | - Nicolas Yeung
- Global Health and Nutrition Science, DuPont Nutrition & Health, FI-02460 Kantvik, Finland
| | - Markku T Saarinen
- Global Health and Nutrition Science, DuPont Nutrition & Health, FI-02460 Kantvik, Finland
| | | | | | | | - Jüri Linros
- Kerava Health Centre, FI-04200 Kerava, Finland
| | | | - Mika Scheinin
- Clinical Research Services Turku, FI-20520 Turku, Finland
| | | | - Aila Rissanen
- Obesity Research Unit, University of Helsinki, FI-00290 Helsinki, Finland
| | - Sampo Lahtinen
- Global Health and Nutrition Science, DuPont Nutrition & Health, FI-02460 Kantvik, Finland
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Kaye S, Hanttu A, Lokki AI, Nissilä E, Heinonen S, Hakkarainen A, Lundbom J, Lundbom N, Saarinen L, Muniandy M, Rissanen A, Kaprio J, Meri S, Pietiläinen KH. Altered complement gene expression profile of adipose tissue and adipocytes in obesity: A monozygotic twin study. Immunobiology 2016. [DOI: 10.1016/j.imbio.2016.06.139] [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: 10/21/2022]
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21
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Lauhio A, Färkkilä E, Pietiläinen KH, Åström P, Winkelmann A, Tervahartiala T, Pirilä E, Rissanen A, Kaprio J, Sorsa TA, Salo T. Association of MMP-8 with obesity, smoking and insulin resistance. Eur J Clin Invest 2016; 46:757-65. [PMID: 27296149 DOI: 10.1111/eci.12649] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.0] [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: 08/20/2015] [Accepted: 06/13/2016] [Indexed: 12/30/2022]
Abstract
BACKGROUND Obesity has been recognized as a state of subclinical inflammation resulting in a loss of insulin receptors and decreased insulin sensitivity. We here studied in vivo the role of circulating matrix metalloproteinase-8 (MMP-8) among young healthy twin adults. Also, in vitro analysis of the cleavage of human insulin receptor (INSR) by MMP-8 was investigated as well its inhibition by doxycycline and other MMP-8 inhibitor, Ilomastat/GM6001, which are broad-spectrum MMP inhibitors. MATERIALS AND METHODS We analysed serum MMP-8 levels by a time-resolved immunofluorometric assay in obese (n = 34), overweight (n = 76) and normal weight (n = 130) twin individuals. The effect of MMP-8 on INSR and the effects of synthetic MMP-8 inhibitors, doxycycline and Ilomastat/GM6001, were studied by SDS-PAGE. RESULTS We found that in obese individuals relative to normal weight individuals, the serum MMP-8 levels and MMP-8/TIMP-1 ratio were significantly increased (P = 0·0031 and P = 0·031, respectively). Among normal weight and obese individuals, also smoking significantly increases serum MMP-8 and MMP-8/TIMP-1 ratio. In vitro, we found that INSR was degraded by MMP-8 and this was inhibited by doxycycline and Ilomastat/GM6001. CONCLUSIONS Obesity associated with elevated circulating MMP-8 found among young adults may contribute to progression of insulin resistance by cleaving INSR. This INSR cleavage by MMP-8 can be inhibited by synthetic MMP-8 inhibitors such as doxycycline. In addition to obesity, also smoking independently explained increased MMP-8 levels. Our results suggest that MMP-8 is an essential mediator in systemic subclinical inflammatory response in obesity, and a potential drug target.
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Affiliation(s)
- Anneli Lauhio
- Department of Infectious Diseases, Helsinki University Central Hospital, Helsinki, Finland.,Clinicum, University of Helsinki, Helsinki, Finland
| | - Esa Färkkilä
- Department of Infectious Diseases, Helsinki University Central Hospital, Helsinki, Finland.,Clinicum, University of Helsinki, Helsinki, Finland.,Department of Oral and Maxillofacial Diseases, Helsinki University Central Hospital, Helsinki, Finland
| | - Kirsi H Pietiläinen
- Clinicum, University of Helsinki, Helsinki, Finland.,Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, University of Helsinki, Helsinki, Finland.,FIMM, Institute for Molecular Medicine Finland, University of Helsinki, Helsinki, Finland.,Endocrinology, Abdominal Center, Helsinki University Central Hospital, Helsinki, Finland
| | - Pirjo Åström
- Cancer and Translational Medicine Research Unit, University of Oulu, Oulu, Finland.,Medical Research Center Oulu, University of Oulu and Oulu University Hospital, Oulu, Finland
| | - Alina Winkelmann
- Department of Periodontology, Institute of Dentistry, University of Helsinki, Helsinki, Finland
| | - Taina Tervahartiala
- Department of Periodontology, Institute of Dentistry, University of Helsinki, Helsinki, Finland
| | - Emma Pirilä
- Cancer and Translational Medicine Research Unit, University of Oulu, Oulu, Finland.,Medical Research Center Oulu, University of Oulu and Oulu University Hospital, Oulu, Finland
| | - Aila Rissanen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, University of Helsinki, Helsinki, Finland.,Department of Psychiatry, Helsinki University Central Hospital, Helsinki, Finland
| | - Jaakko Kaprio
- FIMM, Institute for Molecular Medicine Finland, University of Helsinki, Helsinki, Finland.,Department of Public Health, University of Helsinki, Helsinki, Finland.,Department of Health, National Institute for Health and Welfare, Helsinki, Finland
| | - Timo A Sorsa
- Department of Oral and Maxillofacial Diseases, Helsinki University Central Hospital, Helsinki, Finland.,Department of Periodontology, Institute of Dentistry, University of Helsinki, Helsinki, Finland.,Division of Periodontology, Department of Dental Medicine, Karolinska Institutet, Huddinge, Sweden
| | - Tuula Salo
- Cancer and Translational Medicine Research Unit, University of Oulu, Oulu, Finland.,Medical Research Center Oulu, University of Oulu and Oulu University Hospital, Oulu, Finland.,Department of Oral Pathology, Institute of Dentistry, University of Helsinki, Helsinki, Finland.,Helsinki University Central Hospital, Helsinki, Finland
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22
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Lundbom J, Bierwagen A, Bodis K, Szendrödi J, Kaprio J, Rissanen A, Lundbom N, Roden M, Pietiläinen KH. Deep subcutaneous adipose tissue lipid unsaturation associates with intramyocellular lipid content. Metabolism 2016; 65:1230-7. [PMID: 27506730 DOI: 10.1016/j.metabol.2016.05.010] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/02/2016] [Revised: 05/05/2016] [Accepted: 05/17/2016] [Indexed: 01/16/2023]
Abstract
BACKGROUND Obese twins have lower saturated and higher long-chain polyunsaturated fatty acids (FA) in subcutaneous adipose tissue (SAT) compared to their lean monozygotic (MZ) co-twin. Whether this holds for metabolically distinct deep (DSAT) and superficial (SSAT) depots is unknown. Here we use non-invasive magnetic resonance spectroscopy (MRS) to measure the FA unsaturation in body mass index (BMI) discordant MZ twins in DSAT and SSAT and their relationship to ectopic fat content and body fat distribution. The main finding is further confirmed in an independent cohort using standardized measurement times. METHODS MRS and magnetic resonance imaging were used to measure DSAT and SSAT unsaturation and their relationship to intramyocellular lipids (IMCL), hepatocellular lipids (HCL) and the amount of subcutaneous (SAT) and visceral adipose tissue (VAT) in 16 pairs of healthy monozygotic twins (MZ) discordant for BMI. A second independent cohort of 12 healthy volunteers was used to measure DSAT unsaturation and IMCL with standardized measurement time. One volunteer also underwent repeated random measurements of DSAT unsaturation and IMCL. RESULTS In accordance with biopsy studies SSAT unsaturation was higher in the heavier twins (15.2±1.0% vs. 14.4±1.5%, P=0.024) and associated with SAT volume (R=0.672, P=0.001). DSAT unsaturation did not differ between twins (11.4±0.8 vs. 11.0±1.0, P=0.267) and associated inversely with IMCL content (R=-0.462, P=0.001). The inverse association between DSAT unsaturation and IMCL was also present in the participants of the second cohort (R=-0.641, P=0.025) and for the repeated sampling at random of one person (R=-0.765, P=0.027). CONCLUSIONS DSAT and SSAT FA unsaturation shows distinct associations with obesity and IMCL in MZ twins, reflecting compartment-specific metabolic activities. The FA unsaturation in the DSAT depot associates inversely with IMCL content, which raises the possibility of cross talk between the DSAT depot and the rapid turnover IMCL depot.
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Affiliation(s)
- Jesper Lundbom
- Institute for Clinical Diabetology, German Diabetes Center (DDZ), Leibniz Center for Diabetes Research, Heinrich Heine University, Düsseldorf, Germany; German Center for Diabetes Research (DZD), München-Neuherberg, Düsseldorf, Germany; HUS Medical Imaging Center, Radiology, Helsinki University Central Hospital, University of Helsinki, Helsinki, Finland.
| | - Alessandra Bierwagen
- Institute for Clinical Diabetology, German Diabetes Center (DDZ), Leibniz Center for Diabetes Research, Heinrich Heine University, Düsseldorf, Germany; German Center for Diabetes Research (DZD), München-Neuherberg, Düsseldorf, Germany
| | - Kálmán Bodis
- Institute for Clinical Diabetology, German Diabetes Center (DDZ), Leibniz Center for Diabetes Research, Heinrich Heine University, Düsseldorf, Germany; German Center for Diabetes Research (DZD), München-Neuherberg, Düsseldorf, Germany
| | - Julia Szendrödi
- Institute for Clinical Diabetology, German Diabetes Center (DDZ), Leibniz Center for Diabetes Research, Heinrich Heine University, Düsseldorf, Germany; German Center for Diabetes Research (DZD), München-Neuherberg, Düsseldorf, Germany; Department of Endocrinology and Diabetology, Medical Faculty, Heinrich-Heine University, Düsseldorf, Germany
| | - Jaakko Kaprio
- FIMM, Institute for Molecular Medicine, University of Helsinki, Helsinki 00014, Finland; Finnish Twin Cohort Study, Department of Public Health University of Helsinki, Helsinki 00014, Finland; National Institute for Health and Welfare, Department of Health, Helsinki 00271, Finland
| | - Aila Rissanen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, University of Helsinki, Helsinki 00014, Finland; Department of Psychiatry, Helsinki University Central Hospital, Helsinki, Finland
| | - Nina Lundbom
- HUS Medical Imaging Center, Radiology, Helsinki University Central Hospital, University of Helsinki, Helsinki, Finland
| | - Michael Roden
- Institute for Clinical Diabetology, German Diabetes Center (DDZ), Leibniz Center for Diabetes Research, Heinrich Heine University, Düsseldorf, Germany; German Center for Diabetes Research (DZD), München-Neuherberg, Düsseldorf, Germany; Department of Endocrinology and Diabetology, Medical Faculty, Heinrich-Heine University, Düsseldorf, Germany
| | - Kirsi H Pietiläinen
- FIMM, Institute for Molecular Medicine, University of Helsinki, Helsinki 00014, Finland; Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, University of Helsinki, Helsinki 00014, Finland; Endocrinology, Abdominal Center, Helsinki University Central Hospital and University of Helsinki, Helsinki 00290, Finland
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Varis J, Metsärinne K, Koivisto V, Niskanen L, Rissanen A, Virkamäki A, Appelroth T, Pöntynen N, Poussa T, Kantola I. Improved control of blood pressure and albuminuria among patients with type-2 diabetes in Finnish open care. Blood Press 2016; 26:67-73. [PMID: 27310566 DOI: 10.1080/08037051.2016.1190917] [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] [Indexed: 10/21/2022]
Abstract
Risk of cardiovascular events within the diabetic population has decreased and survival increased with patients living longer and thus facing the development of end-stage renal disease (ESRD). This calls for good care of patient with diabetes with a focus on hypertension. Patient data were collected from 42 Finnish primary care centres. Each was asked to enrol 10-12 consecutive patients with type-2 diabetes between March 2011 and August 2012. Along with the office blood pressure measurements and laboratory tests, the presence of albuminuria was measured and glomerular filtration rate estimated (eGFR). The 2013 ESH criteria for diabetic hypertensive patients (<140/85 mmHg) was reached by 39% of all 625 study patients and 38% of the pharmacologically treated 520 patients. The absence of detectable albumin in urine was significantly associated with the control of systolic blood pressure and achievement of treatment goals. Beta blockers were the most common antihypertensive agents and patients treated with them had lower eGFR compared to those not treated with these agents. The blood pressure of patients was not in full concordance with the present guideline recommendations. However, satisfactory improvement in blood pressure control, reduction of albuminuria and hence ESRD prevention was achieved.
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Affiliation(s)
- Juha Varis
- a Division of Medicine , Turku University Hospital and University of Turku , Turku , Finland
| | - Kaj Metsärinne
- a Division of Medicine , Turku University Hospital and University of Turku , Turku , Finland
| | | | - Leo Niskanen
- d Abdominal Centre, Endocrinology, Helsinki University Central Hospital , Helsinki , Finland
| | - Aila Rissanen
- e Obesity Research Unit, Biomedicum, Departments of Medicine and Psychiatry , Helsinki University Central Hospital , Helsinki , Finland
| | | | | | | | | | - Ilkka Kantola
- a Division of Medicine , Turku University Hospital and University of Turku , Turku , Finland
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Bogl LH, Kaye SM, Rämö JT, Kangas AJ, Soininen P, Hakkarainen A, Lundbom J, Lundbom N, Ortega-Alonso A, Rissanen A, Ala-Korpela M, Kaprio J, Pietiläinen KH. Abdominal obesity and circulating metabolites: A twin study approach. Metabolism 2016; 65:111-21. [PMID: 26892522 DOI: 10.1016/j.metabol.2015.10.027] [Citation(s) in RCA: 47] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2015] [Accepted: 10/23/2015] [Indexed: 12/18/2022]
Abstract
OBJECTIVE To investigate how obesity, insulin resistance and low-grade inflammation link to circulating metabolites, and whether the connections are due to genetic or environmental factors. SUBJECTS AND METHODS Circulating serum metabolites were determined by proton NMR spectroscopy. Data from 1368 (531 monozygotic (MZ) and 837 dizygotic (DZ)) twins were used for bivariate twin modeling to derive the genetic (rg) and environmental (re) correlations between waist circumference (WC) and serum metabolites. Detailed examination of the associations between fat distribution (DEXA) and metabolic health (HOMA-IR, CRP) was performed among 286 twins including 33 BMI-discordant MZ pairs (intrapair BMI difference ≥3 kg/m(2)). RESULTS Fat, especially in the abdominal area (i.e. WC, android fat % and android to gynoid fat ratio), together with HOMA-IR and CRP correlated significantly with an atherogenic lipoprotein profile, higher levels of branched-chain (BCAA) and aromatic amino acids, higher levels of glycoprotein, and a more saturated fatty acid profile. In contrast, a higher proportion of gynoid to total fat associated with a favorable metabolite profile. There was a significant genetic overlap between WC and several metabolites, most strongly with phenylalanine (rg=0.40), glycoprotein (rg=0.37), serum triglycerides (rg=0.36), BCAAs (rg=0.30-0.40), HDL particle diameter (rg=-0.33) and HDL cholesterol (rg=-0.30). The effect of acquired obesity within the discordant MZ pairs was particularly strong for atherogenic lipoproteins. CONCLUSIONS A wide range of unfavorable alterations in the serum metabolome was associated with abdominal obesity, insulin resistance and low-grade inflammation. Twin modeling and obesity-discordant twin analysis suggest that these associations are partly explained by shared genes but also reflect mechanisms independent of genetic liability.
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Affiliation(s)
- Leonie H Bogl
- Department of Public Health, Hjelt Institute, University of Helsinki, Helsinki, Finland.
| | - Sanna M Kaye
- Obesity Research Unit, Research programs unit, Diabetes and Obesity, University of Helsinki, Helsinki, Finland
| | - Joel T Rämö
- Obesity Research Unit, Research programs unit, Diabetes and Obesity, University of Helsinki, Helsinki, Finland; Institute for Molecular Medicine FIMM, University of Helsinki, Helsinki, Finland
| | - Antti J Kangas
- Computational Medicine, Institute of Health Sciences, University of Oulu, Finland; NMR Metabolomics Laboratory, School of Pharmacy, University of Eastern Finland, Kuopio, Finland
| | - Pasi Soininen
- Computational Medicine, Institute of Health Sciences, University of Oulu, Finland; NMR Metabolomics Laboratory, School of Pharmacy, University of Eastern Finland, Kuopio, Finland
| | - Antti Hakkarainen
- Helsinki Medical Imaging Center, University of Helsinki, Helsinki, Finland
| | - Jesper Lundbom
- Helsinki Medical Imaging Center, University of Helsinki, Helsinki, Finland
| | - Nina Lundbom
- Helsinki Medical Imaging Center, University of Helsinki, Helsinki, Finland
| | | | - Aila Rissanen
- Obesity Research Unit, Research programs unit, Diabetes and Obesity, University of Helsinki, Helsinki, Finland; Department of Psychiatry, Helsinki University Central Hospital, Helsinki, Finland
| | - Mika Ala-Korpela
- Computational Medicine, Institute of Health Sciences, University of Oulu, Finland; NMR Metabolomics Laboratory, School of Pharmacy, University of Eastern Finland, Kuopio, Finland; Oulu University Hospital, Oulu, Finland; Computational Medicine, School of Social and Community Medicine and the Medical Research Council Integrative Epidemiology Unit, University of Bristol, Bristol, UK
| | - Jaakko Kaprio
- Department of Public Health, Hjelt Institute, University of Helsinki, Helsinki, Finland; Institute for Molecular Medicine FIMM, University of Helsinki, Helsinki, Finland; Department of Mental Health and Substance Abuse Services, National Institute for Health and Welfare, Helsinki, Finland
| | - Kirsi H Pietiläinen
- Obesity Research Unit, Research programs unit, Diabetes and Obesity, University of Helsinki, Helsinki, Finland; Institute for Molecular Medicine FIMM, University of Helsinki, Helsinki, Finland; Department of Medicine, Division of Endocrinology, Helsinki University Central Hospital, Helsinki, Finland
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25
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26
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Rappou E, Jukarainen S, Rinnankoski-Tuikka R, Kaye S, Heinonen S, Hakkarainen A, Lundbom J, Lundbom N, Saunavaara V, Rissanen A, Virtanen KA, Pirinen E, Pietiläinen KH. Weight Loss Is Associated With Increased NAD(+)/SIRT1 Expression But Reduced PARP Activity in White Adipose Tissue. J Clin Endocrinol Metab 2016; 101:1263-73. [PMID: 26760174 DOI: 10.1210/jc.2015-3054] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
CONTEXT Sirtuins (SIRTs) and poly(ADP-ribose) polymerases (PARPs) are 2 important nicotinamide adenine dinucleotide (NAD)(+)-dependent enzyme families with opposing metabolic effects. Energy shortage increases NAD(+) biosynthesis and SIRT activity but reduces PARP activity in animals. Effects of energy balance on these pathways in humans are unknown. OBJECTIVE We compared NAD(+)/SIRT pathway expressions and PARP activities in sc adipose tissue (SAT) between lean and obese subjects and investigated their change in the obese subjects during a 12-month weight loss. DESIGN, SETTING AND PARTICIPANTS SAT biopsies were obtained from 19 clinically healthy obese subjects (mean ± SE body mass index, 34.6 ± 2.7 kg/m(2)) during a weight-loss intervention (0, 5, and 12 mo) and from 19 lean reference subjects (body mass index, 22.7 ± 1.1 kg/m(2)) at baseline. MAIN OUTCOME MEASURES SAT mRNA expressions of SIRTs 1-7 and the rate-limiting gene in NAD(+) biosynthesis, nicotinamide phosphoribosyltransferase (NAMPT) were measured by Affymetrix, and total PARP activity by ELISA kit. RESULTS SIRT1, SIRT3, SIRT7, and NAMPT expressions were significantly lower, whereas total PARP activity was increased in obese compared with lean subjects. SIRT1 and NAMPT expressions increased in obese subjects between 0 and 5 months, after a mean weight loss of 11.7%. In subjects who continued to lose weight between 5 and 12 months, SIRT1 expression increased progressively, whereas in subjects with weight regain, SIRT1 reverted to baseline levels. PARP activity significantly decreased in all subjects upon weight loss. CONCLUSIONS Calorie restriction is an attractive strategy to improve the NAD(+)/SIRT pathway and decrease PARPs in SAT in human obesity.
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Affiliation(s)
- Elisabeth Rappou
- Obesity Research Unit (E.R., S.J., S.K., S.H., A.R., K.H.P.), Research Programs Unit, University of Helsinki, 00014 Helsinki, Finland; Research Program for Molecular Neurology (R.R.-T., E.P.), University of Helsinki, 00014 Helsinki, Finland; Helsinki Medical Imaging Center (A.H., J.L., N.L.), Radiology, University of Helsinki, 00290 Helsinki, Finland; Institute for Clinical Diabetology (J.L.), German Diabetes Center, Leibniz Center for Diabetes Research, Heinrich Heine University, 40225 Düsseldorf, Germany; Turku Positron Emission Tomography Center (V.S., K.A.V.), Turku University Hospital and University of Turku, 20521 Turku, Finland; Institute for Molecular Medicine Finland (K.H.P.), Institute for Molecular Medicine Finland, University of Helsinki, 00014 Helsinki, Finland; Endocrinology (K.H.P.), Abdominal Center, Helsinki University Hospital, University of Helsinki, 00014 Helsinki, Finland
| | - Sakari Jukarainen
- Obesity Research Unit (E.R., S.J., S.K., S.H., A.R., K.H.P.), Research Programs Unit, University of Helsinki, 00014 Helsinki, Finland; Research Program for Molecular Neurology (R.R.-T., E.P.), University of Helsinki, 00014 Helsinki, Finland; Helsinki Medical Imaging Center (A.H., J.L., N.L.), Radiology, University of Helsinki, 00290 Helsinki, Finland; Institute for Clinical Diabetology (J.L.), German Diabetes Center, Leibniz Center for Diabetes Research, Heinrich Heine University, 40225 Düsseldorf, Germany; Turku Positron Emission Tomography Center (V.S., K.A.V.), Turku University Hospital and University of Turku, 20521 Turku, Finland; Institute for Molecular Medicine Finland (K.H.P.), Institute for Molecular Medicine Finland, University of Helsinki, 00014 Helsinki, Finland; Endocrinology (K.H.P.), Abdominal Center, Helsinki University Hospital, University of Helsinki, 00014 Helsinki, Finland
| | - Rita Rinnankoski-Tuikka
- Obesity Research Unit (E.R., S.J., S.K., S.H., A.R., K.H.P.), Research Programs Unit, University of Helsinki, 00014 Helsinki, Finland; Research Program for Molecular Neurology (R.R.-T., E.P.), University of Helsinki, 00014 Helsinki, Finland; Helsinki Medical Imaging Center (A.H., J.L., N.L.), Radiology, University of Helsinki, 00290 Helsinki, Finland; Institute for Clinical Diabetology (J.L.), German Diabetes Center, Leibniz Center for Diabetes Research, Heinrich Heine University, 40225 Düsseldorf, Germany; Turku Positron Emission Tomography Center (V.S., K.A.V.), Turku University Hospital and University of Turku, 20521 Turku, Finland; Institute for Molecular Medicine Finland (K.H.P.), Institute for Molecular Medicine Finland, University of Helsinki, 00014 Helsinki, Finland; Endocrinology (K.H.P.), Abdominal Center, Helsinki University Hospital, University of Helsinki, 00014 Helsinki, Finland
| | - Sanna Kaye
- Obesity Research Unit (E.R., S.J., S.K., S.H., A.R., K.H.P.), Research Programs Unit, University of Helsinki, 00014 Helsinki, Finland; Research Program for Molecular Neurology (R.R.-T., E.P.), University of Helsinki, 00014 Helsinki, Finland; Helsinki Medical Imaging Center (A.H., J.L., N.L.), Radiology, University of Helsinki, 00290 Helsinki, Finland; Institute for Clinical Diabetology (J.L.), German Diabetes Center, Leibniz Center for Diabetes Research, Heinrich Heine University, 40225 Düsseldorf, Germany; Turku Positron Emission Tomography Center (V.S., K.A.V.), Turku University Hospital and University of Turku, 20521 Turku, Finland; Institute for Molecular Medicine Finland (K.H.P.), Institute for Molecular Medicine Finland, University of Helsinki, 00014 Helsinki, Finland; Endocrinology (K.H.P.), Abdominal Center, Helsinki University Hospital, University of Helsinki, 00014 Helsinki, Finland
| | - Sini Heinonen
- Obesity Research Unit (E.R., S.J., S.K., S.H., A.R., K.H.P.), Research Programs Unit, University of Helsinki, 00014 Helsinki, Finland; Research Program for Molecular Neurology (R.R.-T., E.P.), University of Helsinki, 00014 Helsinki, Finland; Helsinki Medical Imaging Center (A.H., J.L., N.L.), Radiology, University of Helsinki, 00290 Helsinki, Finland; Institute for Clinical Diabetology (J.L.), German Diabetes Center, Leibniz Center for Diabetes Research, Heinrich Heine University, 40225 Düsseldorf, Germany; Turku Positron Emission Tomography Center (V.S., K.A.V.), Turku University Hospital and University of Turku, 20521 Turku, Finland; Institute for Molecular Medicine Finland (K.H.P.), Institute for Molecular Medicine Finland, University of Helsinki, 00014 Helsinki, Finland; Endocrinology (K.H.P.), Abdominal Center, Helsinki University Hospital, University of Helsinki, 00014 Helsinki, Finland
| | - Antti Hakkarainen
- Obesity Research Unit (E.R., S.J., S.K., S.H., A.R., K.H.P.), Research Programs Unit, University of Helsinki, 00014 Helsinki, Finland; Research Program for Molecular Neurology (R.R.-T., E.P.), University of Helsinki, 00014 Helsinki, Finland; Helsinki Medical Imaging Center (A.H., J.L., N.L.), Radiology, University of Helsinki, 00290 Helsinki, Finland; Institute for Clinical Diabetology (J.L.), German Diabetes Center, Leibniz Center for Diabetes Research, Heinrich Heine University, 40225 Düsseldorf, Germany; Turku Positron Emission Tomography Center (V.S., K.A.V.), Turku University Hospital and University of Turku, 20521 Turku, Finland; Institute for Molecular Medicine Finland (K.H.P.), Institute for Molecular Medicine Finland, University of Helsinki, 00014 Helsinki, Finland; Endocrinology (K.H.P.), Abdominal Center, Helsinki University Hospital, University of Helsinki, 00014 Helsinki, Finland
| | - Jesper Lundbom
- Obesity Research Unit (E.R., S.J., S.K., S.H., A.R., K.H.P.), Research Programs Unit, University of Helsinki, 00014 Helsinki, Finland; Research Program for Molecular Neurology (R.R.-T., E.P.), University of Helsinki, 00014 Helsinki, Finland; Helsinki Medical Imaging Center (A.H., J.L., N.L.), Radiology, University of Helsinki, 00290 Helsinki, Finland; Institute for Clinical Diabetology (J.L.), German Diabetes Center, Leibniz Center for Diabetes Research, Heinrich Heine University, 40225 Düsseldorf, Germany; Turku Positron Emission Tomography Center (V.S., K.A.V.), Turku University Hospital and University of Turku, 20521 Turku, Finland; Institute for Molecular Medicine Finland (K.H.P.), Institute for Molecular Medicine Finland, University of Helsinki, 00014 Helsinki, Finland; Endocrinology (K.H.P.), Abdominal Center, Helsinki University Hospital, University of Helsinki, 00014 Helsinki, Finland
| | - Nina Lundbom
- Obesity Research Unit (E.R., S.J., S.K., S.H., A.R., K.H.P.), Research Programs Unit, University of Helsinki, 00014 Helsinki, Finland; Research Program for Molecular Neurology (R.R.-T., E.P.), University of Helsinki, 00014 Helsinki, Finland; Helsinki Medical Imaging Center (A.H., J.L., N.L.), Radiology, University of Helsinki, 00290 Helsinki, Finland; Institute for Clinical Diabetology (J.L.), German Diabetes Center, Leibniz Center for Diabetes Research, Heinrich Heine University, 40225 Düsseldorf, Germany; Turku Positron Emission Tomography Center (V.S., K.A.V.), Turku University Hospital and University of Turku, 20521 Turku, Finland; Institute for Molecular Medicine Finland (K.H.P.), Institute for Molecular Medicine Finland, University of Helsinki, 00014 Helsinki, Finland; Endocrinology (K.H.P.), Abdominal Center, Helsinki University Hospital, University of Helsinki, 00014 Helsinki, Finland
| | - Virva Saunavaara
- Obesity Research Unit (E.R., S.J., S.K., S.H., A.R., K.H.P.), Research Programs Unit, University of Helsinki, 00014 Helsinki, Finland; Research Program for Molecular Neurology (R.R.-T., E.P.), University of Helsinki, 00014 Helsinki, Finland; Helsinki Medical Imaging Center (A.H., J.L., N.L.), Radiology, University of Helsinki, 00290 Helsinki, Finland; Institute for Clinical Diabetology (J.L.), German Diabetes Center, Leibniz Center for Diabetes Research, Heinrich Heine University, 40225 Düsseldorf, Germany; Turku Positron Emission Tomography Center (V.S., K.A.V.), Turku University Hospital and University of Turku, 20521 Turku, Finland; Institute for Molecular Medicine Finland (K.H.P.), Institute for Molecular Medicine Finland, University of Helsinki, 00014 Helsinki, Finland; Endocrinology (K.H.P.), Abdominal Center, Helsinki University Hospital, University of Helsinki, 00014 Helsinki, Finland
| | - Aila Rissanen
- Obesity Research Unit (E.R., S.J., S.K., S.H., A.R., K.H.P.), Research Programs Unit, University of Helsinki, 00014 Helsinki, Finland; Research Program for Molecular Neurology (R.R.-T., E.P.), University of Helsinki, 00014 Helsinki, Finland; Helsinki Medical Imaging Center (A.H., J.L., N.L.), Radiology, University of Helsinki, 00290 Helsinki, Finland; Institute for Clinical Diabetology (J.L.), German Diabetes Center, Leibniz Center for Diabetes Research, Heinrich Heine University, 40225 Düsseldorf, Germany; Turku Positron Emission Tomography Center (V.S., K.A.V.), Turku University Hospital and University of Turku, 20521 Turku, Finland; Institute for Molecular Medicine Finland (K.H.P.), Institute for Molecular Medicine Finland, University of Helsinki, 00014 Helsinki, Finland; Endocrinology (K.H.P.), Abdominal Center, Helsinki University Hospital, University of Helsinki, 00014 Helsinki, Finland
| | - Kirsi A Virtanen
- Obesity Research Unit (E.R., S.J., S.K., S.H., A.R., K.H.P.), Research Programs Unit, University of Helsinki, 00014 Helsinki, Finland; Research Program for Molecular Neurology (R.R.-T., E.P.), University of Helsinki, 00014 Helsinki, Finland; Helsinki Medical Imaging Center (A.H., J.L., N.L.), Radiology, University of Helsinki, 00290 Helsinki, Finland; Institute for Clinical Diabetology (J.L.), German Diabetes Center, Leibniz Center for Diabetes Research, Heinrich Heine University, 40225 Düsseldorf, Germany; Turku Positron Emission Tomography Center (V.S., K.A.V.), Turku University Hospital and University of Turku, 20521 Turku, Finland; Institute for Molecular Medicine Finland (K.H.P.), Institute for Molecular Medicine Finland, University of Helsinki, 00014 Helsinki, Finland; Endocrinology (K.H.P.), Abdominal Center, Helsinki University Hospital, University of Helsinki, 00014 Helsinki, Finland
| | - Eija Pirinen
- Obesity Research Unit (E.R., S.J., S.K., S.H., A.R., K.H.P.), Research Programs Unit, University of Helsinki, 00014 Helsinki, Finland; Research Program for Molecular Neurology (R.R.-T., E.P.), University of Helsinki, 00014 Helsinki, Finland; Helsinki Medical Imaging Center (A.H., J.L., N.L.), Radiology, University of Helsinki, 00290 Helsinki, Finland; Institute for Clinical Diabetology (J.L.), German Diabetes Center, Leibniz Center for Diabetes Research, Heinrich Heine University, 40225 Düsseldorf, Germany; Turku Positron Emission Tomography Center (V.S., K.A.V.), Turku University Hospital and University of Turku, 20521 Turku, Finland; Institute for Molecular Medicine Finland (K.H.P.), Institute for Molecular Medicine Finland, University of Helsinki, 00014 Helsinki, Finland; Endocrinology (K.H.P.), Abdominal Center, Helsinki University Hospital, University of Helsinki, 00014 Helsinki, Finland
| | - Kirsi H Pietiläinen
- Obesity Research Unit (E.R., S.J., S.K., S.H., A.R., K.H.P.), Research Programs Unit, University of Helsinki, 00014 Helsinki, Finland; Research Program for Molecular Neurology (R.R.-T., E.P.), University of Helsinki, 00014 Helsinki, Finland; Helsinki Medical Imaging Center (A.H., J.L., N.L.), Radiology, University of Helsinki, 00290 Helsinki, Finland; Institute for Clinical Diabetology (J.L.), German Diabetes Center, Leibniz Center for Diabetes Research, Heinrich Heine University, 40225 Düsseldorf, Germany; Turku Positron Emission Tomography Center (V.S., K.A.V.), Turku University Hospital and University of Turku, 20521 Turku, Finland; Institute for Molecular Medicine Finland (K.H.P.), Institute for Molecular Medicine Finland, University of Helsinki, 00014 Helsinki, Finland; Endocrinology (K.H.P.), Abdominal Center, Helsinki University Hospital, University of Helsinki, 00014 Helsinki, Finland
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Jukarainen S, Heinonen S, Rämö JT, Rinnankoski-Tuikka R, Rappou E, Tummers M, Muniandy M, Hakkarainen A, Lundbom J, Lundbom N, Kaprio J, Rissanen A, Pirinen E, Pietiläinen KH. Obesity Is Associated With Low NAD(+)/SIRT Pathway Expression in Adipose Tissue of BMI-Discordant Monozygotic Twins. J Clin Endocrinol Metab 2016; 101:275-83. [PMID: 26574954 DOI: 10.1210/jc.2015-3095] [Citation(s) in RCA: 104] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 11/19/2022]
Abstract
CONTEXT Sirtuins (SIRTs) regulate cellular metabolism and mitochondrial function according to the energy state of the cell reflected by NAD(+) levels. OBJECTIVE Our aim was to determine whether expressions of SIRTs and NAD(+) biosynthesis genes are affected by acquired obesity and how possible alterations are connected with metabolic dysfunction while controlling for genetic and familial factors. DESIGN AND PARTICIPANTS We studied a cross-sectional sample of 40 healthy pairs of monozygotic twins, including 26 pairs who were discordant for body mass index (within-pair difference > 3 kg/m(2)), from the FinnTwin12 and FinnTwin16 cohorts. MAIN OUTCOME MEASURES Subcutaneous adipose tissue (SAT) transcriptomics was analyzed by using Affymetrix U133 Plus 2.0 chips, total SAT (poly-ADP) ribose polymerase (PARP) activity by an ELISA kit, body composition by dual-energy x-ray absorptiometry and magnetic resonance imaging/spectroscopy, and insulin sensitivity by an oral glucose tolerance test. RESULTS SIRT1, SIRT3, SIRT5, NAMPT, NMNAT2, NMNAT3, and NRK1 expressions were significantly down-regulated and the activity of main cellular NAD(+) consumers, PARPs, trended to be higher in the SAT of heavier co-twins of body mass index-discordant pairs. Controlling for twin-shared factors, SIRT1, SIRT3, NAMPT, NMNAT3, and NRK1 were significantly negatively correlated with adiposity, SIRT1, SIRT5, NMNAT2, NMNAT3, and NRK1 were negatively correlated with inflammation, and SIRT1 and SIRT5 were positively correlated with insulin sensitivity. Expressions of genes involved in mitochondrial unfolded protein response were also significantly down-regulated in the heavier co-twins. CONCLUSIONS Our data highlight a strong relationship of reduced NAD(+)/SIRT pathway expression with acquired obesity, inflammation, insulin resistance, and impaired mitochondrial protein homeostasis in SAT.
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Affiliation(s)
- Sakari Jukarainen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity (S.J., S.H., J.T.R., E.R., M.T., M.M., A.R., K.H.P.), FIMM, Institute for Molecular Medicine Finland, (J.T.R., J.K., K.H.P.), Molecular Neurology, Research Programs Unit (R.R.T., E.P.), University of Helsinki, Helsinki, Finland, and Helsinki Medical Imaging Center, Radiology (A.H., N.L.), University of Helsinki, Biomedicum Helsinki, Helsinki, Finland 00014; Institute for Clinical Diabetology, German Diabetes Center (J.L.), Leibniz Center for Diabetes Research, Heinrich Heine University, Düsseldorf, Germany; Finnish Twin Cohort Study, Department of Public Health (J.K.), and Department of Health (J.K.), National Institute for Health and Welfare, Helsinki, Finland; and Department of Endocrinology, Abdominal Center (K.H.P.), Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland 00014
| | - Sini Heinonen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity (S.J., S.H., J.T.R., E.R., M.T., M.M., A.R., K.H.P.), FIMM, Institute for Molecular Medicine Finland, (J.T.R., J.K., K.H.P.), Molecular Neurology, Research Programs Unit (R.R.T., E.P.), University of Helsinki, Helsinki, Finland, and Helsinki Medical Imaging Center, Radiology (A.H., N.L.), University of Helsinki, Biomedicum Helsinki, Helsinki, Finland 00014; Institute for Clinical Diabetology, German Diabetes Center (J.L.), Leibniz Center for Diabetes Research, Heinrich Heine University, Düsseldorf, Germany; Finnish Twin Cohort Study, Department of Public Health (J.K.), and Department of Health (J.K.), National Institute for Health and Welfare, Helsinki, Finland; and Department of Endocrinology, Abdominal Center (K.H.P.), Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland 00014
| | - Joel T Rämö
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity (S.J., S.H., J.T.R., E.R., M.T., M.M., A.R., K.H.P.), FIMM, Institute for Molecular Medicine Finland, (J.T.R., J.K., K.H.P.), Molecular Neurology, Research Programs Unit (R.R.T., E.P.), University of Helsinki, Helsinki, Finland, and Helsinki Medical Imaging Center, Radiology (A.H., N.L.), University of Helsinki, Biomedicum Helsinki, Helsinki, Finland 00014; Institute for Clinical Diabetology, German Diabetes Center (J.L.), Leibniz Center for Diabetes Research, Heinrich Heine University, Düsseldorf, Germany; Finnish Twin Cohort Study, Department of Public Health (J.K.), and Department of Health (J.K.), National Institute for Health and Welfare, Helsinki, Finland; and Department of Endocrinology, Abdominal Center (K.H.P.), Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland 00014
| | - Rita Rinnankoski-Tuikka
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity (S.J., S.H., J.T.R., E.R., M.T., M.M., A.R., K.H.P.), FIMM, Institute for Molecular Medicine Finland, (J.T.R., J.K., K.H.P.), Molecular Neurology, Research Programs Unit (R.R.T., E.P.), University of Helsinki, Helsinki, Finland, and Helsinki Medical Imaging Center, Radiology (A.H., N.L.), University of Helsinki, Biomedicum Helsinki, Helsinki, Finland 00014; Institute for Clinical Diabetology, German Diabetes Center (J.L.), Leibniz Center for Diabetes Research, Heinrich Heine University, Düsseldorf, Germany; Finnish Twin Cohort Study, Department of Public Health (J.K.), and Department of Health (J.K.), National Institute for Health and Welfare, Helsinki, Finland; and Department of Endocrinology, Abdominal Center (K.H.P.), Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland 00014
| | - Elisabeth Rappou
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity (S.J., S.H., J.T.R., E.R., M.T., M.M., A.R., K.H.P.), FIMM, Institute for Molecular Medicine Finland, (J.T.R., J.K., K.H.P.), Molecular Neurology, Research Programs Unit (R.R.T., E.P.), University of Helsinki, Helsinki, Finland, and Helsinki Medical Imaging Center, Radiology (A.H., N.L.), University of Helsinki, Biomedicum Helsinki, Helsinki, Finland 00014; Institute for Clinical Diabetology, German Diabetes Center (J.L.), Leibniz Center for Diabetes Research, Heinrich Heine University, Düsseldorf, Germany; Finnish Twin Cohort Study, Department of Public Health (J.K.), and Department of Health (J.K.), National Institute for Health and Welfare, Helsinki, Finland; and Department of Endocrinology, Abdominal Center (K.H.P.), Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland 00014
| | - Mark Tummers
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity (S.J., S.H., J.T.R., E.R., M.T., M.M., A.R., K.H.P.), FIMM, Institute for Molecular Medicine Finland, (J.T.R., J.K., K.H.P.), Molecular Neurology, Research Programs Unit (R.R.T., E.P.), University of Helsinki, Helsinki, Finland, and Helsinki Medical Imaging Center, Radiology (A.H., N.L.), University of Helsinki, Biomedicum Helsinki, Helsinki, Finland 00014; Institute for Clinical Diabetology, German Diabetes Center (J.L.), Leibniz Center for Diabetes Research, Heinrich Heine University, Düsseldorf, Germany; Finnish Twin Cohort Study, Department of Public Health (J.K.), and Department of Health (J.K.), National Institute for Health and Welfare, Helsinki, Finland; and Department of Endocrinology, Abdominal Center (K.H.P.), Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland 00014
| | - Maheswary Muniandy
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity (S.J., S.H., J.T.R., E.R., M.T., M.M., A.R., K.H.P.), FIMM, Institute for Molecular Medicine Finland, (J.T.R., J.K., K.H.P.), Molecular Neurology, Research Programs Unit (R.R.T., E.P.), University of Helsinki, Helsinki, Finland, and Helsinki Medical Imaging Center, Radiology (A.H., N.L.), University of Helsinki, Biomedicum Helsinki, Helsinki, Finland 00014; Institute for Clinical Diabetology, German Diabetes Center (J.L.), Leibniz Center for Diabetes Research, Heinrich Heine University, Düsseldorf, Germany; Finnish Twin Cohort Study, Department of Public Health (J.K.), and Department of Health (J.K.), National Institute for Health and Welfare, Helsinki, Finland; and Department of Endocrinology, Abdominal Center (K.H.P.), Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland 00014
| | - Antti Hakkarainen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity (S.J., S.H., J.T.R., E.R., M.T., M.M., A.R., K.H.P.), FIMM, Institute for Molecular Medicine Finland, (J.T.R., J.K., K.H.P.), Molecular Neurology, Research Programs Unit (R.R.T., E.P.), University of Helsinki, Helsinki, Finland, and Helsinki Medical Imaging Center, Radiology (A.H., N.L.), University of Helsinki, Biomedicum Helsinki, Helsinki, Finland 00014; Institute for Clinical Diabetology, German Diabetes Center (J.L.), Leibniz Center for Diabetes Research, Heinrich Heine University, Düsseldorf, Germany; Finnish Twin Cohort Study, Department of Public Health (J.K.), and Department of Health (J.K.), National Institute for Health and Welfare, Helsinki, Finland; and Department of Endocrinology, Abdominal Center (K.H.P.), Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland 00014
| | - Jesper Lundbom
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity (S.J., S.H., J.T.R., E.R., M.T., M.M., A.R., K.H.P.), FIMM, Institute for Molecular Medicine Finland, (J.T.R., J.K., K.H.P.), Molecular Neurology, Research Programs Unit (R.R.T., E.P.), University of Helsinki, Helsinki, Finland, and Helsinki Medical Imaging Center, Radiology (A.H., N.L.), University of Helsinki, Biomedicum Helsinki, Helsinki, Finland 00014; Institute for Clinical Diabetology, German Diabetes Center (J.L.), Leibniz Center for Diabetes Research, Heinrich Heine University, Düsseldorf, Germany; Finnish Twin Cohort Study, Department of Public Health (J.K.), and Department of Health (J.K.), National Institute for Health and Welfare, Helsinki, Finland; and Department of Endocrinology, Abdominal Center (K.H.P.), Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland 00014
| | - Nina Lundbom
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity (S.J., S.H., J.T.R., E.R., M.T., M.M., A.R., K.H.P.), FIMM, Institute for Molecular Medicine Finland, (J.T.R., J.K., K.H.P.), Molecular Neurology, Research Programs Unit (R.R.T., E.P.), University of Helsinki, Helsinki, Finland, and Helsinki Medical Imaging Center, Radiology (A.H., N.L.), University of Helsinki, Biomedicum Helsinki, Helsinki, Finland 00014; Institute for Clinical Diabetology, German Diabetes Center (J.L.), Leibniz Center for Diabetes Research, Heinrich Heine University, Düsseldorf, Germany; Finnish Twin Cohort Study, Department of Public Health (J.K.), and Department of Health (J.K.), National Institute for Health and Welfare, Helsinki, Finland; and Department of Endocrinology, Abdominal Center (K.H.P.), Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland 00014
| | - Jaakko Kaprio
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity (S.J., S.H., J.T.R., E.R., M.T., M.M., A.R., K.H.P.), FIMM, Institute for Molecular Medicine Finland, (J.T.R., J.K., K.H.P.), Molecular Neurology, Research Programs Unit (R.R.T., E.P.), University of Helsinki, Helsinki, Finland, and Helsinki Medical Imaging Center, Radiology (A.H., N.L.), University of Helsinki, Biomedicum Helsinki, Helsinki, Finland 00014; Institute for Clinical Diabetology, German Diabetes Center (J.L.), Leibniz Center for Diabetes Research, Heinrich Heine University, Düsseldorf, Germany; Finnish Twin Cohort Study, Department of Public Health (J.K.), and Department of Health (J.K.), National Institute for Health and Welfare, Helsinki, Finland; and Department of Endocrinology, Abdominal Center (K.H.P.), Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland 00014
| | - Aila Rissanen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity (S.J., S.H., J.T.R., E.R., M.T., M.M., A.R., K.H.P.), FIMM, Institute for Molecular Medicine Finland, (J.T.R., J.K., K.H.P.), Molecular Neurology, Research Programs Unit (R.R.T., E.P.), University of Helsinki, Helsinki, Finland, and Helsinki Medical Imaging Center, Radiology (A.H., N.L.), University of Helsinki, Biomedicum Helsinki, Helsinki, Finland 00014; Institute for Clinical Diabetology, German Diabetes Center (J.L.), Leibniz Center for Diabetes Research, Heinrich Heine University, Düsseldorf, Germany; Finnish Twin Cohort Study, Department of Public Health (J.K.), and Department of Health (J.K.), National Institute for Health and Welfare, Helsinki, Finland; and Department of Endocrinology, Abdominal Center (K.H.P.), Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland 00014
| | - Eija Pirinen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity (S.J., S.H., J.T.R., E.R., M.T., M.M., A.R., K.H.P.), FIMM, Institute for Molecular Medicine Finland, (J.T.R., J.K., K.H.P.), Molecular Neurology, Research Programs Unit (R.R.T., E.P.), University of Helsinki, Helsinki, Finland, and Helsinki Medical Imaging Center, Radiology (A.H., N.L.), University of Helsinki, Biomedicum Helsinki, Helsinki, Finland 00014; Institute for Clinical Diabetology, German Diabetes Center (J.L.), Leibniz Center for Diabetes Research, Heinrich Heine University, Düsseldorf, Germany; Finnish Twin Cohort Study, Department of Public Health (J.K.), and Department of Health (J.K.), National Institute for Health and Welfare, Helsinki, Finland; and Department of Endocrinology, Abdominal Center (K.H.P.), Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland 00014
| | - Kirsi H Pietiläinen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity (S.J., S.H., J.T.R., E.R., M.T., M.M., A.R., K.H.P.), FIMM, Institute for Molecular Medicine Finland, (J.T.R., J.K., K.H.P.), Molecular Neurology, Research Programs Unit (R.R.T., E.P.), University of Helsinki, Helsinki, Finland, and Helsinki Medical Imaging Center, Radiology (A.H., N.L.), University of Helsinki, Biomedicum Helsinki, Helsinki, Finland 00014; Institute for Clinical Diabetology, German Diabetes Center (J.L.), Leibniz Center for Diabetes Research, Heinrich Heine University, Düsseldorf, Germany; Finnish Twin Cohort Study, Department of Public Health (J.K.), and Department of Health (J.K.), National Institute for Health and Welfare, Helsinki, Finland; and Department of Endocrinology, Abdominal Center (K.H.P.), Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland 00014
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Mustelin L, Raevuori A, Bulik CM, Rissanen A, Hoek HW, Kaprio J, Keski-Rahkonen A. Long-term outcome in anorexia nervosa in the community. Int J Eat Disord 2015; 48:851-9. [PMID: 26059099 DOI: 10.1002/eat.22415] [Citation(s) in RCA: 25] [Impact Index Per Article: 2.8] [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: 02/02/2015] [Revised: 02/27/2015] [Accepted: 03/27/2015] [Indexed: 11/07/2022]
Abstract
OBJECTIVE Few studies have assessed outcomes of anorexia nervosa (AN) outside clinical settings. We aimed to assess mortality, recovery, and socio-demographic outcomes of AN in a community sample. METHOD Women in the nationwide FinnTwin16 cohort (born 1975-1979) were followed for 10 years after baseline diagnostic assessment (mean age at follow-up 34 years, N = 2188). We compared women with lifetime DSM-IV AN (N = 40) with unaffected women from the same cohort. RESULTS None of the women with AN had died and 88% were weight-recovered (BMI ≥ 18.5 kg/m(2) ), but their mean BMI (22.0 kg/m(2) ) was lower than among unaffected women (24.0 kg/m(2) , p = 0.008). University degrees (38 vs. 29%, p = 0.26), sickness absence during the past year (median 5 vs. 3 days, p = 0.21), or unemployment or disability pension (5 vs. 4%, p = 0.62) did not significantly differ between AN probands and their unaffected peers. More women with AN were still studying (15 vs. 4%, p = 0.003), and half of them had children, as compared to 66% of unaffected women (p = 0.05). DISCUSSION The long-term prognosis of AN in the community appears promising. Weight-restoration is common and socio-demographic outcomes are generally favorable. However, women with a history of AN may be less likely to have children.
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Affiliation(s)
- Linda Mustelin
- Department of Public Health, University of Helsinki, Finland.,Departments of Psychiatry and Nutrition, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina
| | - Anu Raevuori
- Department of Public Health, University of Helsinki, Finland.,Department of Adolescent Psychiatry, Helsinki University Central Hospital, Helsinki, Finland.,Institute of Clinical Medicine, Child Psychiatry, University of Turku, Finland.,National Institute for Health and Welfare, Helsinki, Finland
| | - Cynthia M Bulik
- Departments of Psychiatry and Nutrition, University of North Carolina at Chapel Hill, Chapel Hill, North Carolina.,Department of Medical Epidemiology and Biostatistics, Karolinska Institutet, Stockholm, Sweden
| | - Aila Rissanen
- Department of Psychiatry, Helsinki University Central Hospital, Finland
| | - Hans W Hoek
- Parnassia Psychiatric Institute, The Hague, The Netherlands.,Department of Psychiatry, Groningen University, The Netherlands.,Department of Epidemiology, Columbia University, New York
| | - Jaakko Kaprio
- Department of Public Health, University of Helsinki, Finland.,National Institute for Health and Welfare, Helsinki, Finland.,Institute for Molecular Medicine Finland FIMM, University of Helsinki, Finland
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29
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Pietiläinen KH, Ismail K, Järvinen E, Heinonen S, Tummers M, Bollepalli S, Lyle R, Muniandy M, Moilanen E, Hakkarainen A, Lundbom J, Lundbom N, Rissanen A, Kaprio J, Ollikainen M. DNA methylation and gene expression patterns in adipose tissue differ significantly within young adult monozygotic BMI-discordant twin pairs. Int J Obes (Lond) 2015; 40:654-61. [PMID: 26499446 DOI: 10.1038/ijo.2015.221] [Citation(s) in RCA: 52] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/04/2015] [Revised: 08/29/2015] [Accepted: 09/21/2015] [Indexed: 11/09/2022]
Abstract
BACKGROUND Little is known about epigenetic alterations associated with subcutaneous adipose tissue (SAT) in obesity. Our aim was to study genome-wide DNA methylation and gene expression differences in SAT in monozygotic (MZ) twin pairs who are discordant for body mass index (BMI). This design completely matches lean and obese groups for genetic background, age, gender and shared environment. METHODS 14We analyzed DNA methylome and gene expression from SAT, together with body composition (magnetic resonance imaging/spectroscopy) and glucose tolerance test, lipids and C-reactive protein from 26 rare BMI-discordant (intrapair difference in BMI ⩾3 kg m(-2)) MZ twin pairs identified from 10 birth cohorts of young adult Finnish twins. RESULTS We found 17 novel obesity-associated genes that were differentially methylated across the genome between heavy and lean co-twins. Nine of them were also differentially expressed. Pathway analyses indicated that dysregulation of SAT in obesity includes a paradoxical downregulation of lipo/adipogenesis and upregulation of inflammation and extracellular matrix remodeling. Furthermore, CpG sites whose methylation correlated with metabolically harmful fat depots (intra-abdominal and liver fat) also correlated with measures of insulin resistance, dyslipidemia and low-grade inflammation, thus suggesting that epigenetic alterations in SAT are associated with the development of unhealthy obesity. CONCLUSION This is the first study in BMI-discordant MZ twin pairs reporting genome-wide DNA methylation and expression profiles in SAT. We found a number of novel genes and pathways whose methylation and expression patterns differ within the twin pairs, suggesting that the pathological adaptation of SAT to obesity is, at least in part, epigenetically regulated.
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Affiliation(s)
- K H Pietiläinen
- Obesity Research Unit, Research Programs Unit, University of Helsinki, Helsinki, Finland.,Endocrinology, Abdominal Center, Helsinki University Central Hospital, and University of Helsinki, Helsinki, Finland.,Institute for Molecular Medicine FIMM, University of Helsinki, Helsinki, Finland
| | - K Ismail
- Department of Public Health, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - E Järvinen
- Obesity Research Unit, Research Programs Unit, University of Helsinki, Helsinki, Finland
| | - S Heinonen
- Obesity Research Unit, Research Programs Unit, University of Helsinki, Helsinki, Finland
| | - M Tummers
- Obesity Research Unit, Research Programs Unit, University of Helsinki, Helsinki, Finland
| | - S Bollepalli
- Department of Public Health, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - R Lyle
- Oslo University Hospital and University of Oslo, Department of Medical Genetics, Oslo, Norway
| | - M Muniandy
- Obesity Research Unit, Research Programs Unit, University of Helsinki, Helsinki, Finland.,Department of Public Health, Faculty of Medicine, University of Helsinki, Helsinki, Finland
| | - E Moilanen
- The Immunopharmacology Research Group, University of Tampere School of Medicine and Tampere University Hospital, Tampere, Finland
| | - A Hakkarainen
- HUS Medical Imaging Center, Radiology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - J Lundbom
- HUS Medical Imaging Center, Radiology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland.,Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research, Heinrich Heine University, Düsseldorf, Germany.,German Center for Diabetes Research, Partner Düsseldorf, Düsseldorf, Germany
| | - N Lundbom
- HUS Medical Imaging Center, Radiology, University of Helsinki and Helsinki University Hospital, Helsinki, Finland
| | - A Rissanen
- Obesity Research Unit, Research Programs Unit, University of Helsinki, Helsinki, Finland
| | - J Kaprio
- Institute for Molecular Medicine FIMM, University of Helsinki, Helsinki, Finland.,Department of Public Health, Faculty of Medicine, University of Helsinki, Helsinki, Finland.,National Institute for Health and Welfare, Helsinki, Finland
| | - M Ollikainen
- Department of Public Health, Faculty of Medicine, University of Helsinki, Helsinki, Finland
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30
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Heinonen S, Buzkova J, Muniandy M, Kaksonen R, Ollikainen M, Ismail K, Hakkarainen A, Lundbom J, Lundbom N, Vuolteenaho K, Moilanen E, Kaprio J, Rissanen A, Suomalainen A, Pietiläinen KH. Impaired Mitochondrial Biogenesis in Adipose Tissue in Acquired Obesity. Diabetes 2015; 64:3135-45. [PMID: 25972572 DOI: 10.2337/db14-1937] [Citation(s) in RCA: 231] [Impact Index Per Article: 25.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2014] [Accepted: 05/08/2015] [Indexed: 01/08/2023]
Abstract
Low mitochondrial number and activity have been suggested as underlying factors in obesity, type 2 diabetes, and metabolic syndrome. However, the stage at which mitochondrial dysfunction manifests in adipose tissue after the onset of obesity remains unknown. Here we examined subcutaneous adipose tissue (SAT) samples from healthy monozygotic twin pairs, 22.8-36.2 years of age, who were discordant (ΔBMI >3 kg/m(2), mean length of discordance 6.3 ± 0.3 years, n = 26) and concordant (ΔBMI <3 kg/m(2), n = 14) for body weight, and assessed their detailed mitochondrial metabolic characteristics: mitochondrial-related transcriptomes with dysregulated pathways, mitochondrial DNA (mtDNA) amount, mtDNA-encoded transcripts, and mitochondrial oxidative phosphorylation (OXPHOS) protein levels. We report global expressional downregulation of mitochondrial oxidative pathways with concomitant downregulation of mtDNA amount, mtDNA-dependent translation system, and protein levels of the OXPHOS machinery in the obese compared with the lean co-twins. Pathway analysis indicated downshifting of fatty acid oxidation, ketone body production and breakdown, and the tricarboxylic acid cycle, which inversely correlated with adiposity, insulin resistance, and inflammatory cytokines. Our results suggest that mitochondrial biogenesis, oxidative metabolic pathways, and OXPHOS proteins in SAT are downregulated in acquired obesity, and are associated with metabolic disturbances already at the preclinical stage.
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Affiliation(s)
- Sini Heinonen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, University of Helsinki, Helsinki, Finland
| | - Jana Buzkova
- Research Programs Unit, Molecular Neurology, Biomedicum-Helsinki, University of Helsinki, Helsinki, Finland
| | - Maheswary Muniandy
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, University of Helsinki, Helsinki, Finland
| | - Risto Kaksonen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, University of Helsinki, Helsinki, Finland Siluetti Hospital, Helsinki, Finland
| | - Miina Ollikainen
- Department of Public Health, University of Helsinki, Helsinki, Finland
| | - Khadeeja Ismail
- Department of Public Health, University of Helsinki, Helsinki, Finland
| | - Antti Hakkarainen
- Helsinki Medical Imaging Center, University of Helsinki, Helsinki, Finland
| | - Jesse Lundbom
- Helsinki Medical Imaging Center, University of Helsinki, Helsinki, Finland Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research, Heinrich Heine University, Düsseldorf, Germany
| | - Nina Lundbom
- Helsinki Medical Imaging Center, University of Helsinki, Helsinki, Finland
| | - Katriina Vuolteenaho
- The Immunopharmacology Research Group, University of Tampere School of Medicine and Tampere University Hospital, Tampere, Finland
| | - Eeva Moilanen
- The Immunopharmacology Research Group, University of Tampere School of Medicine and Tampere University Hospital, Tampere, Finland
| | - Jaakko Kaprio
- Institute for Molecular Medicine Finland, University of Helsinki, Helsinki, Finland Finnish Twin Cohort Study, Department of Public Health, Hjelt Institute, University of Helsinki, Helsinki, Finland National Institute for Health and Welfare, Department of Mental Health and Substance Abuse Services, Helsinki, Finland
| | - Aila Rissanen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, University of Helsinki, Helsinki, Finland Department of Psychiatry, Helsinki University Central Hospital, Helsinki, Finland
| | - Anu Suomalainen
- Research Programs Unit, Molecular Neurology, Biomedicum-Helsinki, University of Helsinki, Helsinki, Finland Department of Neurology, Helsinki University Central Hospital, Helsinki, Finland
| | - Kirsi H Pietiläinen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, University of Helsinki, Helsinki, Finland Institute for Molecular Medicine Finland, University of Helsinki, Helsinki, Finland Abdominal Center, Endocrinology, Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland
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31
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Ollikainen M, Ismail K, Gervin K, Kyllönen A, Hakkarainen A, Lundbom J, Järvinen EA, Harris JR, Lundbom N, Rissanen A, Lyle R, Pietiläinen KH, Kaprio J. Genome-wide blood DNA methylation alterations at regulatory elements and heterochromatic regions in monozygotic twins discordant for obesity and liver fat. Clin Epigenetics 2015; 7:39. [PMID: 25866590 PMCID: PMC4393626 DOI: 10.1186/s13148-015-0073-5] [Citation(s) in RCA: 61] [Impact Index Per Article: 6.8] [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: 10/17/2014] [Accepted: 03/11/2015] [Indexed: 12/16/2022] Open
Abstract
Background The current epidemic of obesity and associated diseases calls for swift actions to better understand the mechanisms by which genetics and environmental factors affect metabolic health in humans. Monozygotic (MZ) twin pairs showing discordance for obesity suggest that epigenetic influences represent one such mechanism. We studied genome-wide leukocyte DNA methylation variation in 30 clinically healthy young adult MZ twin pairs discordant for body mass index (BMI; average within-pair BMI difference: 5.4 ± 2.0 kg/m2). Results There were no differentially methylated cytosine-guanine (CpG) sites between the co-twins discordant for BMI. However, stratification of the twin pairs based on the level of liver fat accumulation revealed two epigenetically highly different groups. Significant DNA methylation differences (n = 1,236 CpG sites (CpGs)) between the co-twins were only observed if the heavier co-twins had excessive liver fat (n = 13 twin pairs). This unhealthy pattern of obesity was coupled with insulin resistance and low-grade inflammation. The differentially methylated CpGs included 23 genes known to be associated with obesity, liver fat, type 2 diabetes mellitus (T2DM) and metabolic syndrome, and potential novel metabolic genes. Differentially methylated CpG sites were overrepresented at promoters, insulators, and heterochromatic and repressed regions. Based on predictions by overlapping histone marks, repressed and weakly transcribed sites were significantly more often hypomethylated, whereas sites with strong enhancers and active promoters were hypermethylated. Further, significant clustering of differentially methylated genes in vitamin, amino acid, fatty acid, sulfur, and renin-angiotensin metabolism pathways was observed. Conclusions The methylome in leukocytes is altered in obesity associated with metabolic disturbances, and our findings indicate several novel candidate genes and pathways in obesity and obesity-related complications. Electronic supplementary material The online version of this article (doi:10.1186/s13148-015-0073-5) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Miina Ollikainen
- Department of Public Health, University of Helsinki, Helsinki, Finland
| | - Khadeeja Ismail
- Department of Public Health, University of Helsinki, Helsinki, Finland
| | - Kristina Gervin
- Department of Medical Genetics, Oslo University Hospital and University of Oslo, Oslo, Norway
| | - Anjuska Kyllönen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, University of Helsinki, Helsinki, Finland
| | - Antti Hakkarainen
- Department of Radiology, HUS Medical Imaging Center, Helsinki University Central Hospital, University of Helsinki, Helsinki, Finland
| | - Jesper Lundbom
- Department of Radiology, HUS Medical Imaging Center, Helsinki University Central Hospital, University of Helsinki, Helsinki, Finland
| | - Elina A Järvinen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, University of Helsinki, Helsinki, Finland
| | - Jennifer R Harris
- Division of Epidemiology, The Norwegian Institute of Public Health, Oslo, Norway
| | - Nina Lundbom
- Department of Radiology, HUS Medical Imaging Center, Helsinki University Central Hospital, University of Helsinki, Helsinki, Finland
| | - Aila Rissanen
- Department of Psychiatry, Helsinki University Central Hospital, Helsinki, Finland.,Endocrinology, Abdominal Center, Helsinki University Central Hospital, Helsinki, Finland
| | - Robert Lyle
- Department of Medical Genetics, Oslo University Hospital and University of Oslo, Oslo, Norway
| | - Kirsi H Pietiläinen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, University of Helsinki, Helsinki, Finland.,Endocrinology, Abdominal Center, Helsinki University Central Hospital, Helsinki, Finland.,Institute for Molecular Medicine FIMM, University of Helsinki, Helsinki, Finland
| | - Jaakko Kaprio
- Department of Public Health, University of Helsinki, Helsinki, Finland.,Institute for Molecular Medicine FIMM, University of Helsinki, Helsinki, Finland.,Department of Mental Health and Substance Abuse Services, National Institute for Health and Welfare, Helsinki, Finland
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Metsärinne K, Bröijersen A, Kantola I, Niskanen L, Rissanen A, Appelroth T, Pöntynen N, Poussa T, Koivisto V, Virkamäki A. High prevalence of chronic kidney disease in Finnish patients with type 2 diabetes treated in primary care. Prim Care Diabetes 2015; 9:31-38. [PMID: 25066820 DOI: 10.1016/j.pcd.2014.06.001] [Citation(s) in RCA: 35] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2013] [Revised: 05/11/2014] [Accepted: 06/01/2014] [Indexed: 02/04/2023]
Abstract
OBJECTIVE To examine the prevalence of chronic kidney disease (CKD) and related cardiovascular morbidity in a cross-sectional population in patients with type 2 diabetes (T2D) treated in a primary care setting in Finland. RESEARCH DESIGN AND METHODS Data were collected and recorded from 42 primary care centres, which recruited 629 patients diagnosed with type 2 diabetes (T2D) to this non-interventional study. Data including patient characteristics, kidney function and albuminuria, blood pressure, HbA1c, lipid and lipoprotein levels, and diabetes duration as well as current medication was collected in each patient. RESULTS In the final study population of 625 patients, the mean age was 67 years (range 29-92 years), BMI 32.8 kg/m(2) (95% CI 32-33), blood pressure 142/80 mmHg (140-143/80-81) and HbA1c 7.1% (7.0-7.2) (53.8 mmol/mol, 53-55) and the median duration of diabetes was 9.2 years ranging from newly diagnosed to 43 years. History of dyslipidemia had in 73.3% of patients, 27.8% had cardiovascular disease and 82.7% had hypertension. The primary endpoint, prevalence of CKD of any grade (1-5) or albuminuria, was 68.6%. Regarding declined renal function, 16.2% of patients had an estimated glomerular filtration rate (eGFR) <60 ml/min/1.72 m(2), classifying as CKD 3-5. Only one patient was within CKD5. Regarding renal damage, albuminuria was present in 24.3% of patients, with microalbuminuria in 17.1% and macroalbuminuria in 7.2%, respectively. Combining the patients with CKD 3-5 and/or the presence of albuminuria, 34.7% seemed to suffer from significant CKD. The proportion of patients with albuminuria increased with a decrease in glomerular filtration rate. Historically, diabetic nephropathy had been diagnosed in 24.3% of the patients. CONCLUSIONS Nearly 70% of patients with T2D treated in primary care in Finland have some sign of CKD and nearly half of all T2D patients have a significant CKD. However, only half of the latter had it diagnosed and documented in their patient charts, thus highlighting the importance of performing routine screening of nephropathy by measuring both albuminuria and eGFR in patients with T2D. Prevention of this complication with active therapy for risk factors, such as hypertension and dyslipidemia is warranted.
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Affiliation(s)
- Kaj Metsärinne
- Turku University Hospital, Department of Nephrology, Finland
| | | | | | - Leo Niskanen
- Faculty of Health Sciences, School of Medicine, University of Eastern Finland, Finland
| | - Aila Rissanen
- Obesity Research Unit, Biomedicum, Departments of Medicine and Psychiatry, Helsinki University Central Hospital, Finland
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Visscher TLS, Heitmann BL, Rissanen A, Lahti-Koski M, Lissner L. A break in the obesity epidemic? Explained by biases or misinterpretation of the data? Int J Obes (Lond) 2014; 39:189-98. [PMID: 24909829 DOI: 10.1038/ijo.2014.98] [Citation(s) in RCA: 54] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/16/2013] [Revised: 03/14/2014] [Accepted: 04/01/2014] [Indexed: 12/24/2022]
Abstract
Recent epidemiologic papers are presenting prevalence data suggesting breaks and decreases in obesity rates. However, before concluding that the obesity epidemic is not increasing anymore, the validity of the presented data should be discussed more thoroughly. We had a closer look into the literature presented in recent reviews to address the major potential biases and distortions, and to develop insights about how to interpret the presented suggestions for a potential break in the obesity epidemic. Decreasing participation rates, the use of reported rather than measured data and small sample sizes, or lack of representativeness, did not seem to explain presented breaks in the obesity epidemic. Further, available evidence does not suggest that stabilization of obesity rates is seen in higher socioeconomic groups only, or that urbanization could explain a potential break in the obesity epidemic. However, follow-ups of short duration may, in part, explain the apparent break or decrease in the obesity epidemic. On the other hand, a single focus on body mass index (BMI) ⩾25 or ⩾30 kg m(-)(2) is likely to mask a real increase in the obesity epidemic. And, in both children and adults, trends in waist circumferences were generally suggesting an increase, and were stronger than those reported for trends in BMI. Studies concluding that there is a recent break in the obesity epidemic need to be interpreted with caution. Reported studies presenting a break were mostly of short duration. Further, focusing on trends in waist circumference rather than BMI leads to a less optimistic conclusion: the public health problem of obesity is still increasing.
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Affiliation(s)
- T L S Visscher
- 1] Research Centre for the Prevention of Overweight (Zwolle), Windesheim University of Applied Sciences and VU University, Zwolle, The Netherlands [2] Institute of Health Sciences, VU University, Amsterdam, The Netherlands [3] Prevention and Public Health Taskforce, European Association for the Study of Obesity, London, UK
| | - B L Heitmann
- 1] Institute of Preventive Medicine, Bispebjerg and Frederiksberg Hospitals, The Capital Region, Copenhagen, Denmark [2] National Institute of Public Health, University of Southern Denmark, Copenhagen, Denmark [3] The Boden Institute of Obesity, Nutrition, Exercise and Eating Disorders, University of Sydney, Sydney, New South Wales, Australia
| | - A Rissanen
- 1] Prevention and Public Health Taskforce, European Association for the Study of Obesity, London, UK [2] Helsinki University Central Hospital, Helsinki, Finland
| | - M Lahti-Koski
- 1] Prevention and Public Health Taskforce, European Association for the Study of Obesity, London, UK [2] Finnish Heart Association, Helsinki, Finland
| | - L Lissner
- 1] Prevention and Public Health Taskforce, European Association for the Study of Obesity, London, UK [2] Department of Public Health and Community Medicine, University of Gothenburg, Gothenburg, Sweden
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Bondia-Pons I, Maukonen J, Mattila I, Rissanen A, Saarela M, Kaprio J, Hakkarainen A, Lundbom J, Lundbom N, Hyötyläinen T, Pietiläinen KH, Orešič M. Metabolome and fecal microbiota in monozygotic twin pairs discordant for weight: a Big Mac challenge. FASEB J 2014; 28:4169-79. [PMID: 24846387 DOI: 10.1096/fj.14-250167] [Citation(s) in RCA: 28] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2014] [Accepted: 05/12/2014] [Indexed: 12/27/2022]
Abstract
Postprandial responses to food are complex, involving both genetic and environmental factors. We studied postprandial responses to a Big Mac meal challenge in monozygotic co-twins highly discordant for body weight. This unique design allows assessment of the contribution of obesity, independent of genetic liability. Comprehensive metabolic profiling using 3 analytical platforms was applied to fasting and postprandial serum samples from 16 healthy monozygotic twin pairs discordant for weight (body mass index difference >3 kg/m(2)). Nine concordant monozygotic pairs were examined as control pairs. Fecal samples were analyzed to assess diversity of the major bacterial groups by using 5 different validated bacterial group specific denaturing gradient gel electrophoresis methods. No differences in fecal bacterial diversity were detected when comparing co-twins discordant for weight (ANOVA, P<0.05). We found that within-pair similarity is a dominant factor in the metabolic postprandial response, independent of acquired obesity. Branched chain amino acids were increased in heavier as compared with leaner co-twins in the fasting state, but their levels converged postprandially (paired t tests, FDR q<0.05). We also found that specific bacterial groups were associated with postprandial changes of specific metabolites. Our findings underline important roles of genetic and early life factors in the regulation of postprandial metabolite levels.
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Affiliation(s)
- Isabel Bondia-Pons
- VTT Technical Research Centre of Finland, Espoo, Finland; Department of Food Science and Physiology, University of Navarra, Pamplona, Spain
| | | | - Ismo Mattila
- VTT Technical Research Centre of Finland, Espoo, Finland
| | - Aila Rissanen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, Department of Psychiatry
| | - Maria Saarela
- VTT Technical Research Centre of Finland, Espoo, Finland
| | - Jaakko Kaprio
- Department of Public Health, Hjelt Institute, and Institute for Molecular Medicine Finland (FIMM), University of Helsinki, Helsinki, Finland; National Institute for Health and Welfare, Helsinki, Finland; and
| | - Antti Hakkarainen
- Department of Medicine, Division of Endocrinology, Helsinki University Central Hospital, Helsinki, Finland
| | - Jesper Lundbom
- Department of Radiology, The Hospital District of Helsinki and Uusimaa (HUS) Medical Imaging Center, and
| | - Nina Lundbom
- Department of Radiology, The Hospital District of Helsinki and Uusimaa (HUS) Medical Imaging Center, and
| | - Tuulia Hyötyläinen
- VTT Technical Research Centre of Finland, Espoo, Finland; Steno Diabetes Center, Gentofte, Denmark
| | - Kirsi H Pietiläinen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, Institute for Molecular Medicine Finland (FIMM), University of Helsinki, Helsinki, Finland; Department of Medicine, Division of Endocrinology, Helsinki University Central Hospital, Helsinki, Finland
| | - Matej Orešič
- VTT Technical Research Centre of Finland, Espoo, Finland; Steno Diabetes Center, Gentofte, Denmark
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Albrecht E, Sillanpää E, Karrasch S, Alves AC, Codd V, Hovatta I, Buxton JL, Nelson CP, Broer L, Hägg S, Mangino M, Willemsen G, Surakka I, Ferreira MAR, Amin N, Oostra BA, Bäckmand HM, Peltonen M, Sarna S, Rantanen T, Sipilä S, Korhonen T, Madden PAF, Gieger C, Jörres RA, Heinrich J, Behr J, Huber RM, Peters A, Strauch K, Wichmann HE, Waldenberger M, Blakemore AIF, de Geus EJC, Nyholt DR, Henders AK, Piirilä PL, Rissanen A, Magnusson PKE, Viñuela A, Pietiläinen KH, Martin NG, Pedersen NL, Boomsma DI, Spector TD, van Duijn CM, Kaprio J, Samani NJ, Jarvelin MR, Schulz H. Telomere length in circulating leukocytes is associated with lung function and disease. Eur Respir J 2014; 43:983-92. [PMID: 24311771 DOI: 10.1183/09031936.00046213] [Citation(s) in RCA: 91] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/05/2022]
Abstract
Several clinical studies suggest the involvement of premature ageing processes in chronic obstructive pulmonary disease (COPD). Using an epidemiological approach, we studied whether accelerated ageing indicated by telomere length, a marker of biological age, is associated with COPD and asthma, and whether intrinsic age-related processes contribute to the interindividual variability of lung function. Our meta-analysis of 14 studies included 934 COPD cases with 15 846 controls defined according to the Global Lungs Initiative (GLI) criteria (or 1189 COPD cases according to the Global Initiative for Chronic Obstructive Lung Disease (GOLD) criteria), 2834 asthma cases with 28 195 controls, and spirometric parameters (forced expiratory volume in 1 s (FEV1), forced vital capacity (FVC) and FEV1/FVC) of 12 595 individuals. Associations with telomere length were tested by linear regression, adjusting for age, sex and smoking status. We observed negative associations between telomere length and asthma (β= -0.0452, p=0.024) as well as COPD (β= -0.0982, p=0.001), with associations being stronger and more significant when using GLI criteria than those of GOLD. In both diseases, effects were stronger in females than males. The investigation of spirometric indices showed positive associations between telomere length and FEV1 (p=1.07×10(-7)), FVC (p=2.07×10(-5)), and FEV1/FVC (p=5.27×10(-3)). The effect was somewhat weaker in apparently healthy subjects than in COPD or asthma patients. Our results provide indirect evidence for the hypothesis that cellular senescence may contribute to the pathogenesis of COPD and asthma, and that lung function may reflect biological ageing primarily due to intrinsic processes, which are likely to be aggravated in lung diseases.
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Affiliation(s)
- Eva Albrecht
- For a list of the authors' affiliations see the Acknowledgements section
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Keski-Rahkonen A, Raevuori A, Bulik CM, Hoek HW, Rissanen A, Kaprio J. Factors associated with recovery from anorexia nervosa: a population-based study. Int J Eat Disord 2014; 47:117-23. [PMID: 24488835 DOI: 10.1002/eat.22168] [Citation(s) in RCA: 44] [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] [Revised: 06/27/2013] [Accepted: 07/01/2013] [Indexed: 11/09/2022]
Abstract
BACKGROUND To examine factors associated with the outcome of anorexia nervosa among women from the general population. METHOD Women (N = 2,881) from the 1975-1979 birth cohorts of Finnish twins were screened for lifetime DSM-IV anorexia nervosa (N = 55 cases) using questionnaires and the SCID interview. Potential factors associated with the likelihood of recovery were addressed in the same assessment. Recovery was defined as restoration of weight, menstruation, and the absence of bingeing and purging for at least one year prior to assessment. Using two-tailed t tests and Pearson's chi-square tests, we contrasted recovered (N = 39) and unrecovered (N = 16) women. We then used logistic regression adjusted for duration of illness and Cox proportional hazard models to account for the variable lengths of illness on prognostic factors. RESULTS Unrecovered women were more likely to suffer from depressive symptoms prior to eating disorder onset (18.8% vs. 2.6%, p = 0.04), remain unemployed (18.8% vs. 2.6%, p = 0.04), report dissatisfaction with their current partner/spouse (p = 0.02), and report high perfectionism (p = 0.05) than were recovered women. When duration of illness was accounted for in the analyses, premorbid depression was the sole factor significantly associated with decreased likelihood of recovery (hazard ratio 0.17, 95% confidence interval: 0.03-0.89). DISCUSSION Predicting the course of anorexia remains fraught with difficulty, but premorbid depressive symptoms are associated with poor outcome of anorexia nervosa in the general population.
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Affiliation(s)
- Anna Keski-Rahkonen
- Department of Public Health, University of Helsinki, Helsinki, Finland; Department of Psychiatry, Helsinki University Central Hospital, Helsinki, Finland
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Heinonen S, Saarinen L, Naukkarinen J, Rodríguez A, Frühbeck G, Hakkarainen A, Lundbom J, Lundbom N, Vuolteenaho K, Moilanen E, Arner P, Hautaniemi S, Suomalainen A, Kaprio J, Rissanen A, Pietiläinen KH. Adipocyte morphology and implications for metabolic derangements in acquired obesity. Int J Obes (Lond) 2014; 38:1423-31. [PMID: 24549139 DOI: 10.1038/ijo.2014.31] [Citation(s) in RCA: 69] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/28/2013] [Revised: 01/23/2014] [Accepted: 01/27/2014] [Indexed: 11/09/2022]
Abstract
BACKGROUND Adipocyte size and number have been suggested to predict the development of metabolic complications in obesity. However, the genetic and environmental determinants behind this phenomenon remain unclear. METHODS We studied this question in rare-weight discordant (intra-pair difference (Δ) body mass index (BMI) 3-10 kg m(-2), n=15) and concordant (ΔBMI 0-2 kg m(-)(2), n=5) young adult (22-35 years) monozygotic twin pairs identified from 10 birth cohorts of Finnish twins (n=5 500 pairs). Subcutaneous abdominal adipocyte size from surgical biopsies was measured under a light microscope. Adipocyte number was calculated from cell size and total body fat (D × A). RESULTS The concordant pairs were remarkably similar for adipocyte size and number (intra-class correlations 0.91-0.92, P<0.01), suggesting a strong genetic control of these measures. In the discordant pairs, the obese co-twins (BMI 30.6 ± 0.9 kg m(-2)) had significantly larger adipocytes (volume 547 ± 59 pl), than the lean co-twins (24.9 ± 0.9 kg m(-)(2); 356 ± 34 pl, P<0.001). In 8/15 pairs, the obese co-twins had less adipocytes than their co-twins. These hypoplastic obese twins had significantly higher liver fat (spectroscopy), homeostatic model assessment-index, C-reactive protein and low-density lipoprotein cholesterol than their lean co-twins. Hyperplastic obesity was observed in the rest (7/15) of the pairs, obese and lean co-twins having similar metabolic measures. In all pairs, Δadipocyte volume correlated positively and Δcell number correlated negatively with Δhomeostatic model assessment-index and Δlow-density lipoprotein, independent of Δbody fat. Transcripts most significantly correlating with Δadipocyte volume were related to a reduced mitochondrial function, membrane modifications, to DNA damage and cell death. CONCLUSIONS Together, hypertrophy and hypoplasia in acquired obesity are related to metabolic dysfunction, possibly through disturbances in mitochondrial function and increased cell death within the adipose tissue.
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Affiliation(s)
- S Heinonen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, University of Helsinki, Helsinki, Finland
| | - L Saarinen
- Research Programs Unit, Genome-Scale Biology and Institute of Biomedicine, Biochemistry and Developmental Biology, Helsinki, Finland
| | - J Naukkarinen
- 1] Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, University of Helsinki, Helsinki, Finland [2] FIMM, Institute for Molecular Medicine, University of Helsinki, Helsinki, Finland
| | - A Rodríguez
- Metabolic Research Laboratory, Clinica Universidad de Navarra, & CIBERobn, Instituto de Salud Carlos III, Pamplona, Spain
| | - G Frühbeck
- Metabolic Research Laboratory, Clinica Universidad de Navarra, & CIBERobn, Instituto de Salud Carlos III, Pamplona, Spain
| | - A Hakkarainen
- Helsinki Medical Imaging Center, University of Helsinki, Helsinki, Finland
| | - J Lundbom
- Helsinki Medical Imaging Center, University of Helsinki, Helsinki, Finland
| | - N Lundbom
- Helsinki Medical Imaging Center, University of Helsinki, Helsinki, Finland
| | - K Vuolteenaho
- The Immunopharmacology Research Group, University of Tampere School of Medicine and Tampere University Hospital, Tampere, Finland
| | - E Moilanen
- The Immunopharmacology Research Group, University of Tampere School of Medicine and Tampere University Hospital, Tampere, Finland
| | - P Arner
- Lipid Laboratory, Department of Medicine, Karolinska University Hospital Huddinge, Karolinska Institutet, Stockholm, Sweden
| | - S Hautaniemi
- Research Programs Unit, Genome-Scale Biology and Institute of Biomedicine, Biochemistry and Developmental Biology, Helsinki, Finland
| | - A Suomalainen
- Research Program of Molecular Neurology and Department of Neurology, University of Helsinki and Helsinki University Central Hospital, Helsinki, Finland
| | - J Kaprio
- 1] FIMM, Institute for Molecular Medicine, University of Helsinki, Helsinki, Finland [2] Finnish Twin Cohort Study, Department of Public Health, Hjelt Institute, University of Helsinki, Helsinki Finland [3] National Institute for Health and Welfare, Department of Mental Health and Substance Abuse Services, Helsinki, Finland
| | - A Rissanen
- Department of Psychiatry, Helsinki University Central Hospital, Helsinki, Finland
| | - K H Pietiläinen
- 1] Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, University of Helsinki, Helsinki, Finland [2] FIMM, Institute for Molecular Medicine, University of Helsinki, Helsinki, Finland [3] Department of Medicine, Division of Endocrinology, Helsinki University Central Hospital, Helsinki, Finland
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Matikainen N, Bogl LH, Hakkarainen A, Lundbom J, Lundbom N, Kaprio J, Rissanen A, Holst JJ, Pietiläinen KH. GLP-1 responses are heritable and blunted in acquired obesity with high liver fat and insulin resistance. Diabetes Care 2014; 37:242-51. [PMID: 23990519 DOI: 10.2337/dc13-1283] [Citation(s) in RCA: 45] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
OBJECTIVE Impaired incretin response represents an early and uniform defect in type 2 diabetes, but the contributions of genes and the environment are poorly characterized. RESEARCH DESIGN AND METHODS We studied 35 monozygotic (MZ) and 75 dizygotic (DZ) twin pairs (discordant and concordant for obesity) to determine the heritability of glucagon-like peptide 1 (GLP-1) responses to an oral glucose tolerance test (OGTT) and the influence of acquired obesity to GLP-1, glucose-dependent insulinotropic peptide (GIP), and peptide YY (PYY) during OGTT or meal test. RESULTS The heritability of GLP-1 area under the curve was 67% (95% CI 45-80). Cotwins from weight-concordant MZ and DZ pairs and weight-discordant MZ pairs but concordant for liver fat content demonstrated similar glucose, insulin, and incretin profiles after the OGTT and meal tests. In contrast, higher insulin responses and blunted 60-min GLP-1 responses during the OGTT were observed in the heavier as compared with leaner MZ cotwins discordant for BMI, liver fat, and insulin sensitivity. Blunted GLP-1 response to OGTT was observed in heavier as compared with leaner DZ cotwins discordant for obesity and insulin sensitivity. CONCLUSIONS Whereas the GLP-1 response to the OGTT is heritable, an acquired unhealthy pattern of obesity characterized by liver fat accumulation and insulin resistance is closely related to impaired GLP-1 response in young adults.
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Naukkarinen J, Heinonen S, Hakkarainen A, Lundbom J, Vuolteenaho K, Saarinen L, Hautaniemi S, Rodriguez A, Frühbeck G, Pajunen P, Hyötyläinen T, Orešič M, Moilanen E, Suomalainen A, Lundbom N, Kaprio J, Rissanen A, Pietiläinen KH. Characterising metabolically healthy obesity in weight-discordant monozygotic twins. Diabetologia 2014; 57:167-76. [PMID: 24100782 DOI: 10.1007/s00125-013-3066-y] [Citation(s) in RCA: 112] [Impact Index Per Article: 11.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/10/2013] [Accepted: 09/04/2013] [Indexed: 12/30/2022]
Abstract
AIMS/HYPOTHESIS Not all obese individuals display the metabolic disturbances commonly associated with excess fat accumulation. Mechanisms maintaining this 'metabolically healthy obesity' (MHO) are as yet unknown. We aimed to study different fat depots and transcriptional pathways in subcutaneous adipose tissue (SAT) as related to the MHO phenomenon. METHODS Sixteen rare young adult obesity-discordant monozygotic (MZ) twin pairs (intra-pair difference (∆) in BMI ≥ 3 kg/m(2)), aged 22.8-35.8 years, were examined for detailed characteristics of metabolic health (subcutaneous, intra-abdominal and liver fat [magnetic resonance imaging/spectroscopy]), OGTT, lipids, adipokines and C-reactive protein (CRP). Affymetrix U133 Plus 2.0 chips were used to analyse transcriptomics pathways related to mitochondrial function and inflammation in SAT. RESULTS Based on liver fat accumulation, two metabolically different subgroups emerged. In half (8/16) of the pairs (∆weight 17.1 ± 2.0 kg), the obese co-twin had significantly higher liver fat (∆718%), 78% increase in AUC insulin during OGTT and CRP, significantly more disturbance in the lipid profile and greater tendency for hypertension compared with the lean co-twin. In these obese co-twins, SAT expression of mitochondrial oxidative phosphorylation, branched-chain amino acid catabolism, fatty acid oxidation and adipocyte differentiation pathways were downregulated and chronic inflammation upregulated. In the other eight pairs (∆weight 17.4 ± 2.8 kg), the obese co-twin did not differ from the non-obese co-twin in liver fat (∆8%), insulin sensitivity, CRP, lipids, blood pressure or SAT transcriptomics. CONCLUSIONS/INTERPRETATION Our results suggest that maintenance of high mitochondrial transcription and lack of inflammation in SAT are associated with low liver fat and MHO.
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Affiliation(s)
- J Naukkarinen
- Obesity Research Unit, Research Programs Unit, Diabetes and Obesity, University of Helsinki, Biomedicum Helsinki, C424b, PO Box 63, Helsinki, Finland, 00014
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Bogl LH, Pietiläinen KH, Rissanen A, Kangas AJ, Soininen P, Rose RJ, Ala-Korpela M, Kaprio J. Association between habitual dietary intake and lipoprotein subclass profile in healthy young adults. Nutr Metab Cardiovasc Dis 2013; 23:1071-1078. [PMID: 23333726 DOI: 10.1016/j.numecd.2012.11.007] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/30/2012] [Revised: 11/19/2012] [Accepted: 11/19/2012] [Indexed: 11/20/2022]
Abstract
BACKGROUND AND AIMS Nutritional epidemiology is increasingly shifting its focus from studying single nutrients to the exploration of the whole diet utilizing dietary pattern analysis. We analyzed associations between habitual diet (including macronutrients, dietary patterns, biomarker of fish intake) and lipoprotein particle subclass profile in young adults. METHODS AND RESULTS Complete dietary data (food-frequency questionnaire) and lipoprotein subclass profile (via nuclear magnetic resonance spectroscopy) were available for 663 subjects from the population-based FinnTwin12 study (57% women, age: 21-25 y). The serum docosahexaenoic to total fatty acid ratio was used as a biomarker of habitual fish consumption. Factor analysis identified 5 dietary patterns: "Fruit and vegetables", "Meat", "Sweets and desserts", "Junk food" and "Fish". After adjustment for sex, age, body mass index, waist circumference, physical activity, smoking status and alcohol intake, the "Junk food" pattern was positively related to serum triglycerides (r = 0.12, P = 0.002), a shift in the subclass distribution of VLDL toward larger particles (r = 0.12 for VLDL size, P < 0.001) and LDL toward smaller particles (r = -0.15 for LDL size, P < 0.001). In addition, higher scores on this pattern were positively correlated with concentrations of small, dense HDL (r = 0.16, P < 0.001). Habitual fish intake associated negatively with VLDL particle diameter ("Fish" pattern and biomarker) and positively with HDL particle diameter (biomarker). CONCLUSIONS Our results suggest that in young adults, higher habitual fish consumption is related to favorable subclass distributions of VLDL and HDL, while junk food intake is associated with unfavorable alterations in the distribution of all lipoprotein subclasses independent of adiposity and other lifestyle factors.
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Affiliation(s)
- L H Bogl
- The Finnish Twin Cohort Study, Department of Public Health, Hjelt Institute, University of Helsinki, Helsinki, Finland.
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Orava J, Nuutila P, Noponen T, Parkkola R, Viljanen T, Enerbäck S, Rissanen A, Pietiläinen KH, Virtanen KA. Blunted metabolic responses to cold and insulin stimulation in brown adipose tissue of obese humans. Obesity (Silver Spring) 2013; 21:2279-87. [PMID: 23554353 DOI: 10.1002/oby.20456] [Citation(s) in RCA: 186] [Impact Index Per Article: 16.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/01/2012] [Revised: 02/23/2013] [Accepted: 03/02/2013] [Indexed: 11/08/2022]
Abstract
OBJECTIVE Inactive brown adipose tissue (BAT) may predispose to weight gain. This study was designed to measure metabolism in the BAT of obese humans, and to compare it to that in lean subjects. The impact of weight loss on BAT and the association of detectable BAT with various metabolic characteristics were also assessed. DESIGN AND METHODS Using positron emission tomography (PET), cold- and insulin-stimulated glucose uptake and blood flow in the BAT of obese and lean humans were quantified. Further, cold-induced glucose uptake was measured in obese subjects before and after a 5-month conventional weight loss. RESULTS Mean responses in BAT glucose uptake rate to both cold and insulin stimulation were twice as large in lean as in obese subjects. Blood flow in BAT was also lower in obese subjects under cold conditions. The increase in cold-induced BAT glucose uptake rate after weight loss was not statistically significant. Subjects with cold-activated detectable BAT were leaner and had higher whole-body insulin sensitivity than BAT-negative subjects, irrespective of age and gender. CONCLUSIONS The effects of cold and insulin on BAT activity are severely blunted in obesity, and the presence of detectable BAT may contribute to a metabolically healthy status.
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Affiliation(s)
- Janne Orava
- Turku PET Centre, University of Turku and Turku University Hospital, Turku, Finland
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Kaye SM, Maranghi M, Bogl LH, Kaprio J, Hakkarainen A, Lundbom J, Lundbom N, Rissanen A, Taskinen MR, Pietiläinen KH. Acquired liver fat is a key determinant of serum lipid alterations in healthy monozygotic twins. Obesity (Silver Spring) 2013; 21:1815-22. [PMID: 23696329 DOI: 10.1002/oby.20228] [Citation(s) in RCA: 6] [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] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/16/2012] [Accepted: 11/18/2012] [Indexed: 01/11/2023]
Abstract
OBJECTIVE The effects of acquired obesity on lipid profile and lipoprotein composition in rare BMI-discordant monozygotic (MZ) twin pairs were studied. DESIGN AND METHODS Abdominal fat distribution, liver fat (magnetic resonance imaging and spectroscopy), fasting serum lipid profile (ultracentrifugation, gradient gel-electrophoresis, and colorimetric enzymatic methods), and lifestyle factors (questionnaires and diaries) were assessed in 15 BMI-discordant (within-pair difference [Δ] in BMI >3 kg/m2) and nin concordant (ΔBMI <3 kg/m2) MZ twin pairs, identified from two nationwide cohorts of Finnish twins. RESULTS Despite a strong similarity of MZ twins in lipid parameters (intra-class correlations 0.42-0.90, P < 0.05), concentrations of apolipoprotein B (ApoB), intermediate-density lipoprotein cholesterol, low-density lipoprotein cholesterol (LDL-C), high-density lipoprotein 3a% (HDL3a%), and HDL3c% were higher (P < 0.05) and those of HDL cholesterol, HDL2-C, and HDL2b% were lower (P < 0.01) in the heavier co-twins of BMI-discordant pairs. The composition of lipoprotein particles was similar in the co-twins. When BMI-discordant pairs were further divided into liver fat-discordant and concordant (based on median for Δliver fat, 2.6%), the adverse lipid profile was only seen in those heavy co-twins who also had high liver fat. Conversely, BMI-discordant pairs concordant for liver fat did not differ significantly in lipid parameters. In multivariate analyses controlling for Δsubcutaneous, Δintra-abdominal fat, sex, Δsmoking and Δphysical activity, Δliver fat was the only independent variable explaining the variation in ΔApoB, Δtotal cholesterol, and ΔLDL-C concentration. CONCLUSIONS Several pro-atherogenic changes in the amounts of lipids but not in the composition of lipoprotein particles were observed in acquired obesity. In particular, accumulation of liver fat was associated with lipid disturbances, independent of genetic effects.
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Affiliation(s)
- S M Kaye
- Obesity Research Unit, Department of Medicine, Division of Endocrinology, Helsinki University Central Hospital and University of Helsinki, Helsinki, Finland
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Simões CD, Maukonen J, Kaprio J, Rissanen A, Pietiläinen KH, Saarela M. Habitual dietary intake is associated with stool microbiota composition in monozygotic twins. J Nutr 2013; 143:417-23. [PMID: 23343669 DOI: 10.3945/jn.112.166322] [Citation(s) in RCA: 90] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/14/2022] Open
Abstract
The impact of diet on the gut microbiota has usually been assessed by subjecting people to the same controlled diet and thereafter following the shifts in the microbiota. In the present study, we used habitual dietary intake, clinical data, quantitative polymerase chain reaction, and denaturing gradient gel electrophoresis (DGGE) to characterize the stool microbiota of Finnish monozygotic twins. The effect of diet on the numbers of bacteria was described through a hierarchical linear mixed model that included the twin individuals, stratified by body mass index, and their families as random effects. The abundance and diversity of the bacterial groups studied did not differ between normal-weight, overweight, and obese individuals with the techniques used. Intakes of energy, monounsaturated fatty acids, n3 polyunsaturated fatty acids (PUFAs), n6 PUFAs, and soluble fiber had significant associations with the stool bacterial numbers (e.g., increased energy intake was associated with reduced numbers of Bacteroides spp.). In addition, co-twins with identical energy intake had more similar numbers and DGGE-profile diversities of Bacteroides spp. than did the co-twins with different intake. Moreover, the co-twins who ingested the same amounts of saturated fatty acids had very similar DGGE profiles of Bacteroides spp., whereas the co-twins with similar consumption of fiber had a very low bifidobacterial DGGE-profile similarity. In conclusion, our findings confirm that the diet plays an important role in the modulation of the stool microbiota, in particular Bacteroides spp. and bifidobacteria.
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Kauppila E, Vanninen E, Kaurijoki S, Karhunen L, Pietiläinen KH, Rissanen A, Tiihonen J, Pesonen U, Kaprio J. Influence of serotonin transporter gene polymorphism (5-HTTLPR polymorphism) on the relation between brain 5-HT transporter binding and heart rate corrected cardiac repolarization interval. PLoS One 2013; 8:e50303. [PMID: 23341873 PMCID: PMC3544835 DOI: 10.1371/journal.pone.0050303] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/16/2012] [Accepted: 10/18/2012] [Indexed: 12/31/2022] Open
Abstract
Objective Serotonin transporter gene polymorphism (5-HTTLPR polymorphism) predicts the degree of structural and functional connectivity in the brain, and less consistently the degree of vulnerability for anxiety and depressive disorders. It is less known how 5-HTTLPR polymorphism influences on the coupling between brain and neuronal cardiovascular control. The present study demonstrates the impact of 5-HTTLPR polymorphism on the relations between heart rate (HR) corrected cardiac repolarization interval (QTc interval) and the brain 5-HTT binding. Material and Methods Thirty healthy young adults (fifteen monozygotic twin pairs) (mean age 26±1.3 years, 16 females) were imagined with single-photon emission computed tomography (SPECT) using iodine-123 labeled 2β-carbomethoxy-3β-(4-iodophenyl) nortropane (nor-β-CIT). Continuous ECG recording was obtained from each participant at supine rest. Signal averaged QTc interval on continuous ECG was calculated and compared with the brain imaging results. Results In the two groups [l homozygotes (n = 16, 10 females), s carriers (n = 14, 8 female)] HR and the length of QTc interval were not influenced by 5-HTTLPR polymorphism. There were no significant relations between HR and 5-HTT binding in the brain. There were significant associations between QTc interval and nor-β-CIT binding in the brain in l homozygotes, but not in s carriers (correlations for QTc interval and nor-β-CIT binding of striatum, thalamus and right temporal region were −0.8–−0.9, (p<0.0005), respectively). Conclusion The finding of longer QTc interval with less 5-HTT binding availability in major serotonergic binding sites in l homozygotes, but not in s carriers, implicate to differentiated control of QTc interval by 5-HTTLPR polymorphism.
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Affiliation(s)
- Esa Kauppila
- Department of Clinical Physiology and Nuclear Medicine, Kuopio University Hospital and University of Eastern Finland, Kuopio, Finland.
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Lissner L, Visscher TL, Rissanen A, Heitmann BL. Monitoring the obesity epidemic into the 21st century--weighing the evidence. Obes Facts 2013; 6:561-5. [PMID: 24356471 PMCID: PMC5644895 DOI: 10.1159/000357539] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2013] [Accepted: 06/27/2013] [Indexed: 11/19/2022] Open
Affiliation(s)
| | - Lauren Lissner
- Department of Public Health and Community Medicine/ Public Health Epidemiology, EpiLife Resaearch Center, Sahlgrenska Academy at University of Gothenburg, Gothenburg, Sweden
- *Lauren Lissner, Department of Public Health and Community Medicine/Public Health Epidemiology, EpiLife Resaearch Center, Sahlgrenska Academy at University of Gothenburg, Box 454, 405 30 Gothenburg (Sweden),
| | - Tommy L.S. Visscher
- Research Center for the Prevention of Overweight, VU Windesheim, Zwolle, the Netherlands
| | - Aila Rissanen
- Helsinki University Central Hospital, Helsinki, Finland
| | - Berit L. Heitmann
- Institute of Preventive Medicine, Bispebjerg and Frederiksberg Hospitals – a part of Copenhagen University Hospital, the Capital Region, and National Institute of Public Health, University of Southern Denmark, Copenhagen, Denmark
- The Boden Institute of Obesity, Nutrition, Exercise & Eating Disorders, The University of Sydney, Sydney, Australia
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Haas BE, Horvath S, Pietiläinen KH, Cantor RM, Nikkola E, Weissglas-Volkov D, Rissanen A, Civelek M, Cruz-Bautista I, Riba L, Kuusisto J, Kaprio J, Tusie-Luna T, Laakso M, Aguilar-Salinas CA, Pajukanta P. Adipose co-expression networks across Finns and Mexicans identify novel triglyceride-associated genes. BMC Med Genomics 2012; 5:61. [PMID: 23217153 PMCID: PMC3543280 DOI: 10.1186/1755-8794-5-61] [Citation(s) in RCA: 29] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2012] [Accepted: 11/27/2012] [Indexed: 01/22/2023] Open
Abstract
Background High serum triglyceride (TG) levels is an established risk factor for coronary heart disease (CHD). Fat is stored in the form of TGs in human adipose tissue. We hypothesized that gene co-expression networks in human adipose tissue may be correlated with serum TG levels and help reveal novel genes involved in TG regulation. Methods Gene co-expression networks were constructed from two Finnish and one Mexican study sample using the blockwiseModules R function in Weighted Gene Co-expression Network Analysis (WGCNA). Overlap between TG-associated networks from each of the three study samples were calculated using a Fisher’s Exact test. Gene ontology was used to determine known pathways enriched in each TG-associated network. Results We measured gene expression in adipose samples from two Finnish and one Mexican study sample. In each study sample, we observed a gene co-expression network that was significantly associated with serum TG levels. The TG modules observed in Finns and Mexicans significantly overlapped and shared 34 genes. Seven of the 34 genes (ARHGAP30, CCR1, CXCL16, FERMT3, HCST, RNASET2, SELPG) were identified as the key hub genes of all three TG modules. Furthermore, two of the 34 genes (ARHGAP9, LST1) reside in previous TG GWAS regions, suggesting them as the regional candidates underlying the GWAS signals. Conclusions This study presents a novel adipose gene co-expression network with 34 genes significantly correlated with serum TG across populations.
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Affiliation(s)
- Blake E Haas
- Department of Human Genetics, Gonda Center, Los Angeles, California, 90095-7088, USA
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Rissanen A, Howard CP, Botha J, Thuren T. Effect of anti-IL-1β antibody (canakinumab) on insulin secretion rates in impaired glucose tolerance or type 2 diabetes: results of a randomized, placebo-controlled trial. Diabetes Obes Metab 2012; 14:1088-96. [PMID: 22726220 DOI: 10.1111/j.1463-1326.2012.01637.x] [Citation(s) in RCA: 99] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2012] [Revised: 03/30/2012] [Accepted: 06/16/2012] [Indexed: 12/11/2022]
Abstract
AIMS Evaluate anti-interleukin-1β (IL-1β) antibody, canakinumab, in patients with type 2 diabetes and impaired glucose tolerance (IGT) in whom hyperglycaemia may trigger IL-1β-associated inflammation leading to suppressed insulin secretion and β-cell dysfunction. METHODS This 4-week, parallel-group study randomized 190 patients with type 2 diabetes 2 : 1, canakinumab versus placebo, into the following treatment arms: metformin monotherapy, metformin + sulfonylurea, metformin + sulfonylurea + thiazolidinedione or insulin ± metformin. IGT population (n = 54) was randomized 1 : 1, canakinumab versus placebo. Primary efficacy assessment was change from baseline in insulin secretion rate (ISR) relative to glucose 0-2 h. RESULTS Mean changes from baseline to week 4 in ISR relative to glucose at 0-2 h or other time points were not statistically significant for canakinumab versus placebo across groups. ISR (relative to glucose) at 0-0.5 h (first-phase insulin secretion) numerically favoured canakinumab versus placebo in insulin-treated patients {difference in mean change from baseline [point estimate (PE)] 3.81 pmol/min/m(2)/mmol/l; p = 0.0525} and in the IGT group (PE 3.92 pmol/min/m(2)/mmol/l; p = 0.1729). Mean change from baseline in fasting plasma glucose favoured canakinumab in the type 2 diabetes/metformin group and the IGT group; however, differences were not statistically significant. Mean change from baseline in peak insulin level and insulin AUC 0-4 h were statistically significantly higher in the canakinumab group in IGT patients. Canakinumab was well tolerated and consistent with known safety experience. CONCLUSIONS The trend towards improving ISR relative to glucose 0-0.5 h in patients treated with insulin supports the hypothesis that insulin secretion can be improved by blocking IL-1β.
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Affiliation(s)
- A Rissanen
- Obesity Research Unit, Helsinki University Central Hospital, Helsinki, Finland
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Abstract
In obesity, a dysregulation of the endocannabinoid system has been shown. The endocannabinoid receptor blockage by rimonabant demonstrated interesting metabolic effects. However, the role of rimonabant in weight loss of patients with binge eating disorder has not been investigated. Thus, our aim was to evaluate the effects of rimonabant on body weight in obese patients with binge eating disorders. This multicenter, randomized, double-blind, placebo-controlled study included 289 obese subjects (age 18-70 years, body mass index 30-45 kg/m(2)) with binge eating disorders. Subjects were randomized (1:1) to receive rimonabant 20 mg/day or placebo for 6 months. In total, 289 participants (age: 43.2±10.5 yrs, 91% of women) were randomized. The completer rate was similar (71%) in both treatment and placebo groups. Participants treated with rimonabant lost 4.7±5.2% of their initial body weight, vs. 0.4±4.5% in the placebo group (difference between both groups: 4.4±0.6 kg, p<0.0001). The rimonabant group showed a greater reduction on the binge eating scale total score (mean±SD - 40.9±35.2%) vs. placebo ( - 29.9±34.6%, p=0.02). The incidence of treatment emergent adverse events was comparable in both the rimonabant (82.5%) and placebo (76.0%) group. Discontinuations due to treatment emergent adverse events occurred in 13.3% rimonabant-treated vs. 6.2% placebo-treated participants. In conclusion, this is the only randomised, placebo-controlled, double-blind trial having assessed the effect of rimonabant in patients with binge eating disorders. The rimonabant treatment reduced body weight significantly more than placebo in obese subjects with binge eating. Trial registration number (clinicaltrials.gov): NCT00481975.
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Affiliation(s)
- Z Pataky
- Department of Community Medicine, Service of Therapeutic Education for Chronic Diseases, World Health Organization Collaborating Centre, University Hospitals of Geneva, Geneva, Switzerland.
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Sevastianova K, Santos A, Kotronen A, Hakkarainen A, Makkonen J, Silander K, Peltonen M, Romeo S, Lundbom J, Lundbom N, Olkkonen VM, Gylling H, Fielding BA, Rissanen A, Yki-Järvinen H. Effect of short-term carbohydrate overfeeding and long-term weight loss on liver fat in overweight humans. Am J Clin Nutr 2012; 96:727-34. [PMID: 22952180 DOI: 10.3945/ajcn.112.038695] [Citation(s) in RCA: 172] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/21/2022] Open
Abstract
BACKGROUND Cross-sectional studies have identified a high intake of simple sugars as an important dietary factor predicting nonalcoholic fatty liver disease (NAFLD). OBJECTIVE We examined whether overfeeding overweight subjects with simple sugars increases liver fat and de novo lipogenesis (DNL) and whether this is reversible by weight loss. DESIGN Sixteen subjects [BMI (kg/m²): 30.6 ± 1.2] were placed on a hypercaloric diet (>1000 kcal simple carbohydrates/d) for 3 wk and, thereafter, on a hypocaloric diet for 6 mo. The subjects were genotyped for rs739409 in the PNPLA3 gene. Before and after overfeeding and after hypocaloric diet, metabolic variables and liver fat (measured by proton magnetic resonance spectroscopy) were measured. The ratio of palmitate (16:0) to linoleate (18:2n-6) in serum and VLDL triglycerides was used as an index of DNL. RESULTS Carbohydrate overfeeding increased weight (±SEM) by 2% (1.8 ± 0.3 kg; P < 0.0001) and liver fat by 27% from 9.2 ± 1.9% to 11.7 ± 1.9% (P = 0.005). DNL increased in proportion to the increase in liver fat and serum triglycerides in subjects with PNPLA3-148IIbut not PNPLA3-148MM. During the hypocaloric diet, the subjects lost 4% of their weight (3.2 ± 0.6 kg; P < 0.0001) and 25% of their liver fat content (from 11.7 ± 1.9% to 8.8 ± 1.8%; P < 0.05). CONCLUSIONS Carbohydrate overfeeding for 3 wk induced a >10-fold greater relative change in liver fat (27%) than in body weight (2%). The increase in liver fat was proportional to that in DNL. Weight loss restores liver fat to normal. These data indicate that the human fatty liver avidly accumulates fat during carbohydrate overfeeding and support a role for DNL in the pathogenesis of NAFLD. This trial was registered at www.hus.fi as 235780.
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Kajantie E, Pietilainen KH, Wehkalampi K, Kananen L, Raikkonen K, Rissanen A, Hovi P, Kaprio J, Andersson S, Eriksson JG, Hovatta I. No association between body size at birth and leucocyte telomere length in adult life--evidence from three cohort studies. Int J Epidemiol 2012; 41:1400-8. [DOI: 10.1093/ije/dys127] [Citation(s) in RCA: 35] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
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