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Naderian S, Nikniaz Z, Farhangi MA, Nikniaz L, Sama-Soltani T, Rostami P. Predicting dyslipidemia incidence: unleashing machine learning algorithms on Lifestyle Promotion Project data. BMC Public Health 2024; 24:1777. [PMID: 38961394 PMCID: PMC11223414 DOI: 10.1186/s12889-024-19261-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Accepted: 06/25/2024] [Indexed: 07/05/2024] Open
Abstract
BACKGROUND Dyslipidemia, characterized by variations in plasma lipid profiles, poses a global health threat linked to millions of deaths annually. OBJECTIVES This study focuses on predicting dyslipidemia incidence using machine learning methods, addressing the crucial need for early identification and intervention. METHODS The dataset, derived from the Lifestyle Promotion Project (LPP) in East Azerbaijan Province, Iran, undergoes a comprehensive preprocessing, merging, and null handling process. Target selection involves five distinct dyslipidemia-related variables. Normalization techniques and three feature selection algorithms are applied to enhance predictive modeling. RESULT The study results underscore the potential of different machine learning algorithms, specifically multi-layer perceptron neural network (MLP), in reaching higher performance metrics such as accuracy, F1 score, sensitivity and specificity, among other machine learning methods. Among other algorithms, Random Forest also showed remarkable accuracies and outperformed K-Nearest Neighbors (KNN) in metrics like precision, recall, and F1 score. The study's emphasis on feature selection detected meaningful patterns among five target variables related to dyslipidemia, indicating fundamental shared unities among dyslipidemia-related factors. Features such as waist circumference, serum vitamin D, blood pressure, sex, age, diabetes, and physical activity related to dyslipidemia. CONCLUSION These results cooperatively highlight the complex nature of dyslipidemia and its connections with numerous factors, strengthening the importance of applying machine learning methods to understand and predict its incidence precisely.
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Affiliation(s)
- Senobar Naderian
- Department of Health Information Technology, School of Management and Medical Informatics, Tabriz University of Medical Sciences, Tabriz, Iran
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Zeinab Nikniaz
- Liver and Gastrointestinal Diseases Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | | | - Leila Nikniaz
- Tabriz Health Services Management Research Center, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Taha Sama-Soltani
- Department of Health Information Technology, School of Management and Medical Informatics, Tabriz University of Medical Sciences, Tabriz, Iran.
| | - Parisa Rostami
- Student Research Committee, Tabriz University of Medical Sciences, Tabriz, Iran
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Houben JJ, Carpentier Y, Paulissen G, Snick GV, Soetewey A. Impact of a Food Rebalancing Program Associated with Plant-Derived Food Supplements on the Biometric, Behavioral, and Biological Parameters of Obese Subjects. Nutrients 2023; 15:4780. [PMID: 38004174 PMCID: PMC10798375 DOI: 10.3390/nu15224780] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2023] [Revised: 11/04/2023] [Accepted: 11/07/2023] [Indexed: 11/26/2023] Open
Abstract
Between 2021 and 2023, the Scientific Council of Dietplus®, a group specialized in overweight and obesity management, conducted a clinical study on 170 volunteer subjects with a BMI > 29 Kg/m2 consecutively recruited. The Dietplus® program comprises nutritional education, intensive, personalized coaching, and consuming food supplements rich in plant derivatives. The aim of this study was to assess the effect of the Dietplus® program on biometric, behavioral, and biological parameters. A control group of 30 obese patients was followed for a similar 12-week period. Mean weight loss reached 9 ± 2.1 kg in the Dietplus® test group versus a 1 ± 0.1 kg weight gain in the control group. Excess weight loss reached 33 ± 13%, and fat mass loss was 7.6% (p < 0.001); waist circumference was reduced by 30%. Quality of Life, Nutriscore, and Prochaska di Clemente scale significantly improved (p < 0.001). Biological parameters showed substantial improvements in the carbohydrate profile and insulin resistance (HOMA index) and in the lipid profile with lower plasma triglyceride (p < 0.01) and VLDL (p < 0.01) concentrations. Inflammatory parameters (orosomucoid, ultrasensitive C-reactive protein, and PINI indices) were also substantially reduced. These results indicate a substantial benefit in subjects who followed the Dietplus® program. (Dietplus® 116 Rue Robert Bunsen, 57460 Behren-lès-Forbach, France is active in France Belgium and Spain. Plant Derived Food Supplements are produced in France). Indeed, improvements were observed in all biometric, behavioral, and metabolic parameters.
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Affiliation(s)
- Jean-Jacques Houben
- Department of Digestive Surgery, Clinic of Metabolic Surgery, Centre Hospitalier Régional Sambre Meuse, Namur and Free University of Brussels (Université Libre de Bruxelles), Rue Chère-Voie 75, B 5060 Sambreville, Belgium
| | - Yvon Carpentier
- Nutrition Lipid Development, Free University of Brussels (Université Libre de Bruxelles), Av. Octave Michot 17, 1640 Rhode Saint Genèse, Belgium
| | - Genevieve Paulissen
- Laboratoire SYNLAB, Biologie Clinique et Nutritionnelle, Av. Alexandre Fleming 3, 6220 Heppignies, Belgium;
| | - Georges Van Snick
- Institut Européen de Physionutrition et de Phytothérapie, 12/14 Rond-Point des Champs Elysées, 75008 Paris, France;
| | - Antoine Soetewey
- Institute of Statistics, Biostatistics and Actuarial Sciences, Université Catholique de Louvain, 1348 Louvain-la-Neuve, Belgium;
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Park SH, Lee J, Hwang JT, Chung MY. Physiologic and epigenetic effects of nutrients on disease pathways. Nutr Res Pract 2023; 17:13-31. [PMID: 36777807 PMCID: PMC9884588 DOI: 10.4162/nrp.2023.17.1.13] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2022] [Revised: 07/06/2022] [Accepted: 07/12/2022] [Indexed: 01/26/2023] Open
Abstract
BACKGROUND/OBJECTIVES Epigenetic regulation by nutrients can influence the development of specific diseases. This study sought to examine the effect of individual nutrients and nutrient families in the context of preventing chronic metabolic diseases via epigenetic regulation. The inhibition of lipid accumulation and inflammation by nutrients including proteins, lipids, vitamins, and minerals were observed, and histone acetylation by histone acetyltransferase (HAT) was measured. Correlative analyses were also performed. MATERIALS/METHODS Nutrients were selected according to information from the Korean Ministry of Food and Drug Safety. Selected nutrient functionalities, including the attenuation of fatty acid-induced lipid accumulation and lipopolysaccharide-mediated acute inflammation were evaluated in mouse macrophage Raw264.7 and mouse hepatocyte AML-12 cells. Effects of the selected nutrients on in vitro HAT inhibition were also evaluated. RESULTS Nitric oxide (NO) production correlated with HAT activity, which was regulated by the amino acids group, suggesting that amino acids potentially contribute to the attenuation of NO production via the inhibition of HAT activity. Unsaturated fatty acids tended to attenuate inflammation by inhibiting NO production, which may be attributable to the inhibition of in vitro HAT activity. In contrast to water-soluble vitamins, the lipid-soluble vitamins significantly decreased NO production. Water- and lipid-soluble vitamins both exhibited significant inhibitory activities against HAT. In addition, calcium and manganese significantly inhibited lipid accumulation, NO production, and HAT activity. CONCLUSIONS Several candidate nutrients and their family members may have roles in the prevention of diseases, including hepatic steatosis and inflammation-related diseases (i.e., nonalcoholic steatohepatitis) via epigenetic regulation. Further studies are warranted to determine which specific amino acids, unsaturated fatty acids and lipid-soluble vitamins or specific minerals influence the development of steatosis and inflammatory-related diseases.
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Affiliation(s)
- Soo-Hyun Park
- Food Functionality Research Division, Korea Food Research Institute, Wanju 55365, Korea
| | - Jaein Lee
- Food Functionality Research Division, Korea Food Research Institute, Wanju 55365, Korea.,Department of Food Science and Technology, Jeonbuk National University, Jeonju 54896, Korea
| | - Jin-Taek Hwang
- Food Functionality Research Division, Korea Food Research Institute, Wanju 55365, Korea.,Department of Food Biotechnology, University of Science and Technology, Daejeon 34113, Korea
| | - Min-Yu Chung
- Food Functionality Research Division, Korea Food Research Institute, Wanju 55365, Korea
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Šarac I, Djekić-Ivanković M, Debeljak-Martačić J. Editorial: The role of vitamin D in metabolic and cardiovascular health. Front Nutr 2023; 10:1193758. [PMID: 37168055 PMCID: PMC10165735 DOI: 10.3389/fnut.2023.1193758] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2023] [Accepted: 04/07/2023] [Indexed: 05/13/2023] Open
Affiliation(s)
- Ivana Šarac
- Institute for Medical Research, National Institute of Republic of Serbia, Centre of Research Excellence in Nutrition and Metabolism, University of Belgrade, Belgrade, Serbia
- *Correspondence: Ivana Šarac
| | | | - Jasmina Debeljak-Martačić
- Institute for Medical Research, National Institute of Republic of Serbia, Centre of Research Excellence in Nutrition and Metabolism, University of Belgrade, Belgrade, Serbia
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Voland L, Le Roy T, Debédat J, Clément K. Gut microbiota and vitamin status in persons with obesity: A key interplay. Obes Rev 2022; 23:e13377. [PMID: 34767276 DOI: 10.1111/obr.13377] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/29/2021] [Revised: 10/04/2021] [Accepted: 10/05/2021] [Indexed: 12/28/2022]
Abstract
There are numerous factors involved in obesity progression and maintenance including systemic low-grade inflammation, adipose tissue dysfunction, or gut microbiota dysbiosis. Recently, a growing interest has arisen for vitamins' role in obesity and related disorders, both at the host and gut bacterial level. Indeed, vitamins are provided mostly by food, but some, from the B and K groups in particular, can be synthesized by the gut bacterial ecosystem and absorbed in the colon. Knowing that vitamin deficiency can alter many important cellular functions and lead to serious health issues, it is important to carefully monitor the vitamin status of patients with obesity and potentially already existing comorbidities as well as to examine the dysbiotic gut microbiota and thus potentially altered bacterial metabolism of vitamins. In this review, we examined both murine and human studies, to assess the prevalence of sub-optimal levels of several vitamins in obesity and metabolic alterations. This review also examines the relationship between vitamins and the gut microbiota in terms of vitamin production and the modulation of the gut bacterial ecosystem in conditions of vitamin shortage or supplementation. Furthermore, some strategies to improve vitamin status of patients with severe obesity are proposed within this review.
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Affiliation(s)
- Lise Voland
- Inserm, Sorbonne University, Nutrition and obesities: systemic approaches (NutriOmics), Paris, France
| | - Tiphaine Le Roy
- Inserm, Sorbonne University, Nutrition and obesities: systemic approaches (NutriOmics), Paris, France
| | - Jean Debédat
- Inserm, Sorbonne University, Nutrition and obesities: systemic approaches (NutriOmics), Paris, France
| | - Karine Clément
- Inserm, Sorbonne University, Nutrition and obesities: systemic approaches (NutriOmics), Paris, France.,Public hospital of Paris, Nutrition department, Pitié-Salpêtrière Hospital, Paris, France
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6
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Gariballa S, Shah I, Yasin J, Alessa A. Vitamin D [25(OH)D] metabolites and epimers in obese subject: Interaction and correlations with adverse metabolic health risk factors. J Steroid Biochem Mol Biol 2022; 215:106023. [PMID: 34774725 DOI: 10.1016/j.jsbmb.2021.106023] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/24/2021] [Revised: 10/11/2021] [Accepted: 11/08/2021] [Indexed: 10/19/2022]
Abstract
BACKGROUND Although both vitamin D deficiency and obesity are highly prevalent in the UAE, the role of vitamin D metabolites in mediating obesity-related adverse health effects is not clear. We aimed to assess the role of vitamin D metabolites as potential mediators in the association between obesity, inflammation and metabolic risk factors. METHODS 277 participants who were part of a randomized controlled trial had their assessment that included clinical, anthropometric and physical activity data at baseline and at 6 months. Blood and urine samples were taken for measurements of serum 25(OH)D, 25(OH)D metabolites including 25(OH)D3), 25(OH)D2), 1,25(OH)2D3, 3-Epi-D3), metabolic and inflammatory markers and related biochemical variables. Multiple regression analysis used to assess the role of 25(OH)D metabolites in mediating the effect of increasing body mass index (BMI) on inflammation and metabolic risk factors. RESULTS Overall, 277 participants with complete 6 months follow up with a mean (±SD) age of 41 ± 12 and 204 (74%) female were included in the study. Blood pressure, inflammatory, metabolic and lipid profile markers significantly increased in overweight and obese subjects compared to subjects with normal BMI both at baseline and at 6 months (p < 0.05). 25(OH)D revealed significant association with age, gender, HbA1c and type 2 diabetes (p < 0.05). No statistically significant changes in any of 25(OH)D metabolites assessed. Multivariate analysis revealed significant and independent associations between BMI and important inflammatory and metabolic risk factors (p < 0.05). No similar association observed with 25(OH)D metabolites. CONCLUSION Although we found significant association between 25(OH)D and prevalence of type 2 diabetes, we found no evidence however to support a role of 25(OH)D metabolites in mediating the effect of BMI on inflammatory or metabolic risk factors.
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Affiliation(s)
- Salah Gariballa
- Internal Medicine, Faculty of Medicine & Health Sciences, United Arab Emirates University, United Arab Emirates.
| | - Iltaf Shah
- Department of Chemistry, College of Science, United Arab Emirates (UAE) University, Al Ain, United Arab Emirates.
| | - Javed Yasin
- Internal Medicine, Faculty of Medicine & Health Sciences, United Arab Emirates University, United Arab Emirates.
| | - Awad Alessa
- Internal Medicine, Faculty of Medicine & Health Sciences, United Arab Emirates University, United Arab Emirates.
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Menshawey E, Menshawey R, Nabeh OA. Shedding light on vitamin D: the shared mechanistic and pathophysiological role between hypovitaminosis D and COVID-19 risk factors and complications. Inflammopharmacology 2021; 29:1017-1031. [PMID: 34185200 PMCID: PMC8239482 DOI: 10.1007/s10787-021-00835-6] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2021] [Accepted: 06/16/2021] [Indexed: 02/07/2023]
Abstract
Severe acute respiratory syndrome coronavirus (SARS-COV-2) is the culprit of the Coronavirus Disease (COVID-19), which has infected approximately 173 million people and killed more than 3.73 million. At risk groups including diabetic and obese patients are more vulnerable to COVID-19-related complications and poor outcomes. Substantial evidence points to hypovitaminosis D as a risk factor for severe disease, the need for ICU, and mortality. 1,25(OH)D, a key regulator of calcium homeostasis, is believed to have various immune-regulatory roles including; promoting anti-inflammatory cytokines, down regulating pro-inflammatory cytokines, dampening entry and replication of SARS-COV-2, and the production of antimicrobial peptides. In addition, there are strong connections which suggest that dysregulated 1,25(OH)D levels play a mechanistic and pathophysiologic role in several disease processes that are shared with COVID-19 including: diabetes, obesity, acute respiratory distress syndrome (ARDS), cytokine storm, and even hypercoagulable states. With evidence continuing to grow for the case that low vitamin D status is a risk factor for COVID-19 disease and poor outcomes, there is a need now to address the public health efforts set in place to minimize infection, such as lock down orders, which may have inadvertently increased hypovitaminosis D in the general population and those already at risk (elderly, obese, and disabled). Moreover, there is a need to address the implications of this evidence and how we may apply the use of cheaply available supplementation, which has yet to overcome the near global concern of hypovitaminosis D. In our review, we exhaustively scope these shared pathophysiologic connections between COVID-19 and hypovitaminosis D.
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Affiliation(s)
- Esraa Menshawey
- Faculty of Medicine, Cairo University, Kasr al Ainy, Geziret Elroda, Manial, Cairo, 11562 Egypt
| | - Rahma Menshawey
- Faculty of Medicine, Cairo University, Kasr al Ainy, Geziret Elroda, Manial, Cairo, 11562 Egypt
| | - Omnia Azmy Nabeh
- Faculty of Medicine, Department of Medical Pharmacology, Cairo University, Kasr al Ainy, Geziret Elroda, Manial, Cairo, 11562 Egypt
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8
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Dashti F, Mousavi SM, Larijani B, Esmaillzadeh A. The effects of vitamin D supplementation on inflammatory biomarkers in patients with abnormal glucose homeostasis: A systematic review and meta-analysis of randomized controlled trials. Pharmacol Res 2021; 170:105727. [PMID: 34126229 DOI: 10.1016/j.phrs.2021.105727] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/15/2021] [Revised: 05/21/2021] [Accepted: 06/09/2021] [Indexed: 12/20/2022]
Abstract
FINDINGS on the level of inflammatory cytokines following vitamin D supplementation among individuals with abnormal glucose homeostasis (AGH) are controversial. Therefore, the present study was conducted on AGH patients to assess the impact of vitamin D on inflammatory cytokines such as CRP, TNF-α and IL-6. A systematic search up to September 2020 was performed through PubMed and Scopus databases. All clinical studies which evaluated the effect of oral vitamin D supplementation on inflammation in patients with AGH were included. The random-effects model was applied to obtain pooled results. For dose-response analysis, we used a fractional polynomial model. Overall, 38 studies, with 46 effect sizes, were included in this study. Combining effect sizes, we found that vitamin D considerably decrease serum concentrations of CRP (weight mean difference (WMD): - 0.67 mg/l; 95%CI: - 0.92, - 0.43; P < 0.001), IL-6 (WMD: -1.93 pg/mL; 95%CI: -2.80, -1.07; P < 0.001) and TNF-α (WMD: -0.81 pg/mL; 95%CI: -1.59, -0.03; P = 0.04). In the dose-response analysis, we failed to find any correlation between dosage of supplements and inflammatory biomarkers concentrations. Summarizing earlier studies, we demonstrated that circulating concentrations of inflammatory cytokines such as CRP, TNF-α, and IL-6 might be decreased following vitamin D supplementation among individuals with AGH.
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Affiliation(s)
- Fatemeh Dashti
- Department of Clinical Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Seyed Mohammad Mousavi
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran
| | - Bagher Larijani
- Endocrinology and Metabolism Research Center, Endocrinology and Metabolism Clinical Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran
| | - Ahmad Esmaillzadeh
- Department of Community Nutrition, School of Nutritional Sciences and Dietetics, Tehran University of Medical Sciences, Tehran, Iran; Obesity and Eating Habits Research Center, Endocrinology and Metabolism Molecular Cellular Sciences Institute, Tehran University of Medical Sciences, Tehran, Iran; Food Security Research Center, Department of Community Nutrition, Isfahan University of Medical Sciences, Isfahan, Iran.
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Tiwari D, Gupta P. Nuclear Receptors in Asthma: Empowering Classical Molecules Against a Contemporary Ailment. Front Immunol 2021; 11:594433. [PMID: 33574813 PMCID: PMC7870687 DOI: 10.3389/fimmu.2020.594433] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2020] [Accepted: 12/09/2020] [Indexed: 02/06/2023] Open
Abstract
The escalation in living standards and adoption of 'Western lifestyle' has an allied effect on the increased allergy and asthma burden in both developed and developing countries. Current scientific reports bespeak an association between allergic diseases and metabolic dysfunction; hinting toward the critical requirement of organized lifestyle and dietary habits. The ubiquitous nuclear receptors (NRs) translate metabolic stimuli into gene regulatory signals, integrating diet inflences to overall developmental and physiological processes. As a consequence of such promising attributes, nuclear receptors have historically been at the cutting edge of pharmacy world. This review discusses the recent findings that feature the cardinal importance of nuclear receptors and how they can be instrumental in modulating current asthma pharmacology. Further, it highlights a possible future employment of therapy involving dietary supplements and synthetic ligands that would engage NRs and aid in eliminating both asthma and linked comorbidities. Therefore, uncovering new and evolving roles through analysis of genomic changes would represent a feasible approach in both prevention and alleviation of asthma.
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Affiliation(s)
| | - Pawan Gupta
- Department of Molecular Biology, Council of Scientific and Industrial Research, Institute of Microbial Technology, Chandigarh, India
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Palaniswamy S, Gill D, De Silva NM, Lowry E, Jokelainen J, Karhu T, Mutt SJ, Dehghan A, Sliz E, Chasman DI, Timonen M, Viinamäki H, Keinänen-Kiukaanniemi S, Hyppönen E, Herzig KH, Sebert S, Järvelin MR. Could vitamin D reduce obesity-associated inflammation? Observational and Mendelian randomization study. Am J Clin Nutr 2020; 111:1036-1047. [PMID: 32232398 PMCID: PMC7198294 DOI: 10.1093/ajcn/nqaa056] [Citation(s) in RCA: 24] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2019] [Accepted: 03/02/2020] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Obesity is associated with inflammation but the role of vitamin D in this process is not clear. OBJECTIVES We aimed to assess the associations between serum 25-hydroxyvitamin D [25(OH)D], BMI, and 16 inflammatory biomarkers, and to assess the role of vitamin D as a potential mediator in the association between higher BMI and inflammation. METHODS Northern Finland Birth Cohort 1966 (NFBC1966) 31-y data on 3586 individuals were analyzed to examine the observational associations between BMI, 25(OH)D, and 16 inflammatory biomarkers. Multivariable regression analyses and 2-sample regression-based Mendelian randomization (MR) mediation analysis were performed to assess any role of vitamin D in mediating a causal effect of BMI on inflammatory biomarkers [soluble intercellular adhesion molecule 1 (sICAM-1), high sensitivity C-reactive protein (hs-CRP), and α1-acid glycoprotein (AGP)] for which observational associations were detected. For MR, genome-wide association study summary results ranging from 5163 to 806,834 individuals were used for biomarkers, 25(OH)D, and BMI. Findings were triangulated with a literature review of vitamin D supplementation trials. RESULTS In NFBC1966, mean BMI (kg/m2) was 24.8 (95% CI: 24.7, 25.0) and mean 25(OH)D was 50.3 nmol/L (95% CI: 49.8, 50.7 nmol/L). Inflammatory biomarkers correlated as 4 independent clusters: interleukins, adhesion molecules, acute-phase proteins, and chemokines. BMI was positively associated with 9 inflammatory biomarkers and inversely with 25(OH)D (false discovery rate < 0.05). 25(OH)D was inversely associated with sICAM-1, hs-CRP, and AGP, which were positively associated with BMI. The MR analyses showed causal association of BMI on these 3 inflammatory biomarkers. There was no observational or MR evidence that circulating 25(OH)D concentrations mediated the association between BMI and these 3 inflammatory markers. Review of randomized controlled trials (RCTs) supported our findings showing no impact of vitamin D supplementation on inflammatory biomarkers. CONCLUSIONS The findings from our observational study and causal MR analyses, together with data from RCTs, do not support a beneficial role of vitamin D supplementation on obesity-related inflammation.
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Affiliation(s)
- Saranya Palaniswamy
- Center for Life Course Health Research, Faculty of Medicine, University of Oulu, Oulu, Finland,Biocenter Oulu, University of Oulu, Oulu, Finland,Department of Epidemiology and Biostatistics, School of Public Health, MRC Centre for Environment and Health, Imperial College London, London, United Kingdom,Address correspondence to SP (e-mail: )
| | - Dipender Gill
- Department of Epidemiology and Biostatistics, School of Public Health, MRC Centre for Environment and Health, Imperial College London, London, United Kingdom
| | - N Maneka De Silva
- Department of Epidemiology and Biostatistics, School of Public Health, MRC Centre for Environment and Health, Imperial College London, London, United Kingdom
| | - Estelle Lowry
- Center for Life Course Health Research, Faculty of Medicine, University of Oulu, Oulu, Finland,Biocenter Oulu, University of Oulu, Oulu, Finland
| | - Jari Jokelainen
- Center for Life Course Health Research, Faculty of Medicine, University of Oulu, Oulu, Finland,Unit of Primary Care, Oulu University Hospital, Oulu, Finland
| | - Toni Karhu
- Biocenter Oulu, University of Oulu, Oulu, Finland,Institute of Biomedicine, Medical Research Center, University of Oulu, and Oulu University Hospital, Oulu, Finland
| | - Shivaprakash J Mutt
- Biocenter Oulu, University of Oulu, Oulu, Finland,Institute of Biomedicine, Medical Research Center, University of Oulu, and Oulu University Hospital, Oulu, Finland
| | - Abbas Dehghan
- Department of Epidemiology and Biostatistics, School of Public Health, MRC Centre for Environment and Health, Imperial College London, London, United Kingdom
| | - Eeva Sliz
- Center for Life Course Health Research, Faculty of Medicine, University of Oulu, Oulu, Finland,Biocenter Oulu, University of Oulu, Oulu, Finland,Computational Medicine, Faculty of Medicine, University of Oulu, Oulu, Finland
| | - Daniel I Chasman
- Preventive Medicine Division, Brigham and Women's Hospital, Harvard Medical School, Boston, MA, USA
| | - Markku Timonen
- Center for Life Course Health Research, Faculty of Medicine, University of Oulu, Oulu, Finland
| | - Heimo Viinamäki
- Institute of Clinical Medicine/Psychiatry, University of Eastern Finland, Kuopio, Finland; and Department of Psychiatry, Kuopio University Hospital, Kuopio, Finland
| | - Sirkka Keinänen-Kiukaanniemi
- Center for Life Course Health Research, Faculty of Medicine, University of Oulu, Oulu, Finland,Unit of Primary Care, Oulu University Hospital, Oulu, Finland
| | - Elina Hyppönen
- Australian Centre for Precision Health, South Australian Cancer Research Institute, University of South Australia, Adelaide, Australia,South Australian Health and Medical Research Institute, Adelaide, Australia
| | - Karl-Heinz Herzig
- Institute of Biomedicine, Medical Research Center, University of Oulu, and Oulu University Hospital, Oulu, Finland,Department of Gastroenterology and Metabolism, Poznan University of Medical Sciences, Poznan, Poland
| | - Sylvain Sebert
- Center for Life Course Health Research, Faculty of Medicine, University of Oulu, Oulu, Finland,Biocenter Oulu, University of Oulu, Oulu, Finland,Department of Genomics of Complex Diseases, School of Public Health, Imperial College London, London, United Kingdom
| | - Marjo-Riitta Järvelin
- Center for Life Course Health Research, Faculty of Medicine, University of Oulu, Oulu, Finland,Biocenter Oulu, University of Oulu, Oulu, Finland,Department of Epidemiology and Biostatistics, School of Public Health, MRC Centre for Environment and Health, Imperial College London, London, United Kingdom,Unit of Primary Care, Oulu University Hospital, Oulu, Finland,Department of Life Sciences, College of Health and Life Sciences, Brunel University London, London, United Kingdom,Address correspondence to M-RJ (e-mail: )
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11
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Xiao P, Dong H, Li H, Yan Y, Cheng H, Liu J, Zhao X, Hou D, Mi J. Adequate 25-hydroxyvitamin D levels are inversely associated with various cardiometabolic risk factors in Chinese children, especially obese children. BMJ Open Diabetes Res Care 2020; 8:e000846. [PMID: 32071197 PMCID: PMC7039595 DOI: 10.1136/bmjdrc-2019-000846] [Citation(s) in RCA: 16] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/22/2019] [Revised: 01/07/2020] [Accepted: 01/14/2020] [Indexed: 02/06/2023] Open
Abstract
OBJECTIVE Vitamin D deficiency has recently evolved as a major public health issue worldwide. But the relationship between vitamin D and cardiovascular health in children remains unclear. Accordingly, we aimed to examine the associations between 25-hydroxyvitamin D (25(OH)D) concentrations and cardiometabolic risk factors, and to assess the possible effect modification of obesity on the associations in a Chinese pediatric population. RESEARCH DESIGN AND METHODS A cross-sectional sample of 6091 children aged 6-18 years was obtained using a cluster sampling method. The 25(OH)D concentrations, and metabolic risk factors, including waist to height ratio, blood pressure, blood lipids, fasting blood glucose (FBG), and insulin were measured. Adjusted ORs and multiplicative or additive interaction were calculated to assess the associations and effect modification, respectively. RESULTS Triglycerides, FBG, insulin, and homeostasis model assessment of insulin resistance were inversely associated with 25(OH)D concentrations (p<0.05) in both sexes. The OR of hyperglycemia among individuals with insufficient vitamin D was higher than those with adequate vitamin D after adjusting for covariates (OR: 1.47; 95% CI 1.26 to 1.70). Moreover, girls with insufficient vitamin D had significantly higher odds for hypertension and high total cholesterol than those with adequate vitamin D, which was not observed in boys. Thirty-two percent (95% CI 14% to 51%) of the increased odds of hyperglycemia can be explained by the interaction between insufficient vitamin D and obesity. CONCLUSIONS Vitamin D insufficiency is associated with increased odds of various cardiometabolic risk factors in Chinese children and has a synergistic effect on hyperglycemia with obesity.
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Affiliation(s)
- Pei Xiao
- Department of Epidemiology, Capital Institute of Pediatrics, Beijing, China
| | - Hongbo Dong
- Department of Non-communicable Disease Management, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Haibo Li
- Department of Epidemiology, Capital Institute of Pediatrics, Beijing, China
| | - Yinkun Yan
- Department of Non-communicable Disease Management, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
| | - Hong Cheng
- Department of Epidemiology, Capital Institute of Pediatrics, Beijing, China
| | - Junting Liu
- Department of Epidemiology, Capital Institute of Pediatrics, Beijing, China
| | - Xiaoyuan Zhao
- Department of Epidemiology, Capital Institute of Pediatrics, Beijing, China
| | - Dongqing Hou
- Department of Epidemiology, Capital Institute of Pediatrics, Beijing, China
| | - Jie Mi
- Department of Non-communicable Disease Management, Beijing Children's Hospital, Capital Medical University, National Center for Children's Health, Beijing, China
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Vinke P, Wesselink E, van Orten-Luiten W, van Norren K. The Use of Proton Pump Inhibitors May Increase Symptoms of Muscle Function Loss in Patients with Chronic Illnesses. Int J Mol Sci 2020; 21:ijms21010323. [PMID: 31947724 PMCID: PMC6981685 DOI: 10.3390/ijms21010323] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2019] [Revised: 12/23/2019] [Accepted: 12/28/2019] [Indexed: 12/11/2022] Open
Abstract
Long-term use of proton pump inhibitors (PPIs) is common in patients with muscle wasting-related chronic diseases. We explored the hypothesis that the use of PPIs may contribute to a reduction in muscle mass and function in these patients. Literature indicates that a PPI-induced reduction in acidity of the gastrointestinal tract can decrease the absorption of, amongst others, magnesium. Low levels of magnesium are associated with impaired muscle function. This unwanted side-effect of PPIs on muscle function has been described in different disease backgrounds. Furthermore, magnesium is necessary for activation of vitamin D. Low vitamin D and magnesium levels together can lead to increased inflammation involved in muscle wasting. In addition, PPI use has been described to alter the microbiota’s composition in the gut, which might lead to increased inflammation. However, PPIs are often provided together with nonsteroidal anti-inflammatory drugs (NSAIDs), which are anti-inflammatory. In the presence of obesity, additional mechanisms could further contribute to muscle alterations. In conclusion, use of PPIs has been reported to contribute to muscle function loss. Whether this will add to the risk factor for development of muscle function loss in patients with chronic disease needs further investigation.
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Affiliation(s)
- Paulien Vinke
- Nutritional Biology, Division of Human Nutrition and Health, Wageningen University, Stippeneng 4, 6708 WE Wageningen, The Netherlands; (P.V.); (W.v.O.-L.)
- Heart Center Leipzig at University of Leipzig, Department of Internal Medicine/Cardiology, Strümpellstraße 39, 04289 Leipzig, Germany
| | - Evertine Wesselink
- Nutrition and Disease, Division of Human Nutrition and Health, Wageningen University, Stippeneng 4, 6708 WE Wageningen, The Netherlands;
| | - Wout van Orten-Luiten
- Nutritional Biology, Division of Human Nutrition and Health, Wageningen University, Stippeneng 4, 6708 WE Wageningen, The Netherlands; (P.V.); (W.v.O.-L.)
- Department of Geriatric Medicine, Gelderse Vallei Hospital, Willy Brandtlaan 10, 6716RP Ede, The Netherlands
| | - Klaske van Norren
- Nutritional Biology, Division of Human Nutrition and Health, Wageningen University, Stippeneng 4, 6708 WE Wageningen, The Netherlands; (P.V.); (W.v.O.-L.)
- Correspondence:
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Zhu J, Wilding JPH. The 1α,25(OH) 2D 3 Analogs ZK159222 and ZK191784 Show Anti-Inflammatory Properties in Macrophage-Induced Preadipocytes via Modulating the NF-κB and MAPK Signaling. Diabetes Metab Syndr Obes 2020; 13:1715-1724. [PMID: 32547133 PMCID: PMC7245602 DOI: 10.2147/dmso.s245080] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/10/2020] [Accepted: 04/03/2020] [Indexed: 11/23/2022] Open
Abstract
PURPOSE Key research findings suggest that attenuating metaflammation in adipose tissue might be a strategic step to prevent the metabolic syndrome and its associated disease outcomes. The anti-inflammatory effects of 1α,25(OH)2D3 have been confirmed in our previous studies, but adverse effects induced at high concentrations restrict its potential clinical translation. Two synthetic 1α,25(OH)2D3 analogs ZK159222 and ZK191784 have manifested promising tissue-specific immunomodulatory actions, but limited data are available on adipose tissue. Hence, in this study, we investigated whether ZK159222 and ZK191784 act on preadipocytes or macrophages to attenuate metaflammatory responses via modulating inflammatory and metabolic signaling in macrophage-induced preadipocytes. METHODS Preadipocyte-specific effects of ZK159222 and ZK191784 on macrophage-induced preadipocytes were tested by pre-incubating and incubating preadipocytes with the analogs and MacCM. Separately, macrophage-specific effects of both analogs on macrophage-induced preadipocytes were tested by incubating preadipocytes with analog-MacCM or MacCM. The effects of 1α,25(OH)2D3 were also examined and set as the positive control. Metaflammatory responses were determined as the concentrations and gene expression of major pro-inflammatory cytokines including IL-1β, IL-6, IL-8, MCP-1 and RANTES, measured using ELISA and qPCR. Inflammatory and metabolic signaling including NF-κB and MAPK were probed using Western blotting. RESULTS ZK159222 and ZK191784 act on preadipocytes and macrophages to decrease the secretion and gene expression of the major pro-inflammatory cytokines in macrophage-induced preadipocytes. The anti-inflammatory effects were at least as potent as 1α,25(OH)2D3, and no preadipocyte apoptosis was induced at high concentrations. In addition, mostly at high concentrations, both analogs moderately decreased the phosphorylation of relA, p44/42 and p38 MAPK in macrophage-induced preadipocytes. CONCLUSION ZK159222 and ZK191784 act on macrophages and preadipocytes to attenuate metaflammatory responses in macrophage-induced preadipocytes, by decreasing phosphorylation of relA/NF-κB, p44/42 and p38 MAPK.
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Affiliation(s)
- Jingjing Zhu
- Department of Endocrinology and Metabolism, The Second Affiliated Hospital of Soochow University, Suzhou, Jiangsu, People’s Republic of China
- Institute of Ageing and Chronic Disease, University of Liverpool, Liverpool, Merseyside, UK
| | - John P H Wilding
- Institute of Ageing and Chronic Disease, University of Liverpool, Liverpool, Merseyside, UK
- Clinical Sciences Centre, University Hospital Aintree, Liverpool, Merseyside, UK
- Correspondence: John PH Wilding Tel +44 151 529 5885Fax +44 151 529 5888 Email
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Serum 25-hydroxyvitamin D is associated with obesity and metabolic parameters in US children. Public Health Nutr 2019; 23:1223-1225. [PMID: 31288870 DOI: 10.1017/s1368980019001770] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
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A Hazelnut-Enriched Diet Modulates Oxidative Stress and Inflammation Gene Expression without Weight Gain. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2019; 2019:4683723. [PMID: 31354906 PMCID: PMC6637671 DOI: 10.1155/2019/4683723] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/17/2018] [Revised: 02/11/2019] [Accepted: 05/02/2019] [Indexed: 12/18/2022]
Abstract
Introduction Inflammation is associated with obesity condition and plays a pivotal role in the onset and progression of many chronic diseases. Among several nutraceutical foods, hazelnuts (Corylus avellana L.) are considered an excellent anti-inflammatory and hypolipidemic food being the second richest source of monounsaturated fatty acids among nuts and because they are rich in vitamins, minerals, and phenolic compounds. Materials and Methods A prospective pilot clinical trial on 24 healthy volunteers who consumed daily, as a snack, 40 g of hazelnuts (261.99 kcal/1096.17 kJ) for six weeks was conducted. Anthropometric measurements, body composition analysis, and nutrigenomic analysis on 12 anti-inflammatory and antioxidant genes were evaluated at baseline (T0) and after hazelnut intervention (T1). Results No significant changes were detected on body composition analysis after hazelnut consumption. Conversely, significant upregulation was detected for SOD1 (2−ΔΔCt = 2.42), CAT (2−ΔΔCt = 2.41), MIF (2−ΔΔCt = 4.12), PPARγ (2−ΔΔCt = 5.89), VDR (2−ΔΔCt = 3.61), MTHFR (2−ΔΔCt = 2.40), and ACE (2−ΔΔCt = 2.16) at the end of the study. Conclusions According to emerging evidences, hazelnut consumption does not lead to weight gain probably due to the improvement of the body's antioxidant capacity by the upregulation of genes implied in oxidant reactions and inflammation.
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Shen F, Wang Y, Sun H, Zhang D, Yu F, Yu S, Han H, Wang J, Ba Y, Wang C, Li W, Li X. Vitamin D receptor gene polymorphisms are associated with triceps skin fold thickness and body fat percentage but not with body mass index or waist circumference in Han Chinese. Lipids Health Dis 2019; 18:97. [PMID: 30975133 PMCID: PMC6460735 DOI: 10.1186/s12944-019-1027-2] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2019] [Accepted: 03/21/2019] [Indexed: 12/22/2022] Open
Abstract
Background Evidence shows that low serum vitamin D concentrations account for an increased risk of obesity by inducing vitamin D receptor (VDR) hypofunction. Although the correlation between single nucleotide polymorphisms (SNPs) of VDR gene and obesity-related anthropometric measures (such as body mass index [BMI] and waist circumference[WC]) has already been tested, there are only few studies on the association between direct measures of body fat percentage (BFP) and triceps skinfold thickness and the SNPs of VDR. The aim of the present study was to evaluate the effect of VDR gene polymorphism on multiple obesity indexes in Han Chinese, including BMI, WC, BFP and triceps skinfold thickness. Methods In this cross-sectional study, five hundred and seventeen healthy Chinese adults were enrolled in the trial. Four loci in VDR gene (rs2228570 [FokI], rs2189480, rs2239179 and rs7975232[ApaI]) were genotyped by TaqMan probe assays. Obesity indexes including BMI, WC, BFP and triceps skinfold thickness were used to evaluate the relationship to the VDR SNPs. Multiple logistic regression, linear regression and general multifactor dimensionality reduction (GMDR) were performed to analyze the correlation of VDR gene and obesity indexes. Results None of the VDR SNPs were associated with BMI and WC, the C allele of FokI and the T allele of ApaI were associated with an increase in BFP (β = 0.069,P = 0.007; β = 0.087, P = 0.022 respectively); the G allele of rs2239179 and the T allele of ApaI were associated with an increase in triceps skin fold thickness (β = 0.074, P = 0.001; β = 0.122, P < 0.001 respectively). In regards to adiposity-related metabolic parameters, we found that the GT genotype of ApaI was associated with higher level of total cholesterol (TC) (P = 0.013) and Low-density lipoprotein cholesterol (LDL-C) (P = 0.001). Conclusions Though we failed to prove that VDR SNPs were in correlation with BMI and WC, we did establish the association between VDR variants and BFP, as well as triceps skinfold thickness. Data obtained suggested that the VDR variants play an important role in regulating adipose tissue activity and adiposity among Han Chinese. Electronic supplementary material The online version of this article (10.1186/s12944-019-1027-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Fang Shen
- Department of Nutrition and Food Hygiene, College of Public Health, Zhengzhou University, 100 Kexue Avenue, Henan, 450001, China
| | - Yan Wang
- Department of Nutrition and Food Hygiene, College of Public Health, Zhengzhou University, 100 Kexue Avenue, Henan, 450001, China
| | - Hualei Sun
- Department of Nutrition and Food Hygiene, College of Public Health, Zhengzhou University, 100 Kexue Avenue, Henan, 450001, China
| | - Dongdong Zhang
- Department of Nutrition and Food Hygiene, College of Public Health, Zhengzhou University, 100 Kexue Avenue, Henan, 450001, China
| | - Fei Yu
- Department of Nutrition and Food Hygiene, College of Public Health, Zhengzhou University, 100 Kexue Avenue, Henan, 450001, China
| | - Songcheng Yu
- Department of Nutrition and Food Hygiene, College of Public Health, Zhengzhou University, 100 Kexue Avenue, Henan, 450001, China
| | - Han Han
- Department of Nutrition and Food Hygiene, College of Public Health, Zhengzhou University, 100 Kexue Avenue, Henan, 450001, China
| | - Jun Wang
- Department of Nutrition and Food Hygiene, College of Public Health, Zhengzhou University, 100 Kexue Avenue, Henan, 450001, China
| | - Yue Ba
- Department of Occupational and Environmental Health Science, College of Public Health, Zhengzhou University, 100 Kexue Avenue, Henan, 450001, China
| | - Chongjian Wang
- Department of Epidemiological and Biostatistics, College of Public Health, Zhengzhou University, 100 Kexue Avenue, Henan, 450001, China
| | - Wenjie Li
- Department of Nutrition and Food Hygiene, College of Public Health, Zhengzhou University, 100 Kexue Avenue, Henan, 450001, China
| | - Xing Li
- Department of Nutrition and Food Hygiene, College of Public Health, Zhengzhou University, 100 Kexue Avenue, Henan, 450001, China.
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Awareness and Attitude Toward Use of Dietary Supplements and the Perceived Outcomes Among Saudi Adult Male Members of Fitness Centers in Saudi Arabia. Int J Sport Nutr Exerc Metab 2018; 28:509-514. [DOI: 10.1123/ijsnem.2017-0246] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Abstract
Dietary supplements are believed to enhance athletic performance and/or prevent/reverse pathological states. Despite the increasing use of dietary supplements in Saudi Arabia, systematic studies in this field are lacking. This study aims to assess the relation between demographic and social characteristics and dietary supplement use among adult males in Saudi Arabia. Demographic and dietary supplements data from fitness club participants were collected through a questionnaire, and the Pearson chi-square test was used to determine associations. A total of 448 apparently healthy adult males above 20 years of age, who were registered at fitness centers located in Saudi Arabia, participated in the study. The majority (275 [62%]) of the study participants were younger (20–30 years), of normal weight (189 [43%]), without health problems (332 [79%]), and obtained an undergraduate degree or higher (336 [77%]). The majority (58%) took supplements under the supervision of a professional and the rest depended on Internet (22%), friends (12%), or books (4%) for choosing supplement types. The main motives of the participants for visiting the fitness center were: weight loss (N = 149 [35%]), keeping fit (N = 101 [24%]), and muscle building (N = 151 [35%]). One hundred and fifty-five participants (44%) were taking supplements on a daily basis with 34 (10%) having taken it for a prolonged duration (>1 year). The most commonly used supplements were proteins (29%) and multivitamins (21%). Supplement use was not associated with the participants’ family income or level of education but was positively associated with younger age (<31 years), χ2(2, N = 443) = 4.96, p = .03.
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Rafiq S, Jeppesen PB. Body Mass Index, Vitamin D, and Type 2 Diabetes: A Systematic Review and Meta-Analysis. Nutrients 2018; 10:nu10091182. [PMID: 30154381 PMCID: PMC6164132 DOI: 10.3390/nu10091182] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2018] [Revised: 08/22/2018] [Accepted: 08/24/2018] [Indexed: 02/06/2023] Open
Abstract
The deficiency of vitamin D is prevalent all over the world. Studies have shown that vitamin D may play an important role in the development of obesity. The current study was conducted to quantitatively evaluate the association between serum 25-(OH) vitamin D levels and the risk of obesity in both diabetic and non-diabetic subjects. A systematic review and meta-analysis of observational studies was carried out for that purpose. We searched the Medline, PubMed, and Embase databases throughout all of March 2018. A total of fifty five observational studies for both diabetic and non-diabetic subjects were finally included in the meta-analysis. The data were analyzed by comprehensive meta-analysis software version 3 and the random effects model was used to analyze the data. The meta-analysis showed an overall inverse relationship between serum vitamin D status and body mass index (BMI) in studies of both diabetic (r = −0.173, 95% = −0.241 to −0.103, p = 0.000) and non-diabetic (r = −0.152, 95% = −0.187 to −0.116, p = 0.000) subjects. The evidence of publication bias was not found in this meta-analysis. In conclusion, the deficiency of vitamin D is associated with an increased level of BMI in the studies of both diabetic and non-diabetic subjects. Reliable evidence from well-designed future randomized controlled trials is required to confirm the findings from observational studies and to find out the potential regulatory effects of vitamin D supplementation to lower BMI.
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Affiliation(s)
- Shamaila Rafiq
- Department of Clinical Medicine Aarhus University, 8200 Aarhus, Denmark.
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Hanafy AS, Elkatawy HA. Beneficial Effects of Vitamin D on Insulin Sensitivity, Blood Pressure, Abdominal Subcutaneous Fat Thickness, and Weight Loss in Refractory Obesity. Clin Diabetes 2018; 36:217-225. [PMID: 30078941 PMCID: PMC6053848 DOI: 10.2337/cd17-0099] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
IN BRIEF This study explored the impact of correcting vitamin D deficiency on blood pressure, metabolic status, and weight loss in patients with fatigue and obesity refractory to conventional interventions such as diet, exercise, behavioral modification, and pharmacotherapy. Correction of vitamin D deficiency in such patients was found to be significantly associated with weight reduction and improved insulin sensitivity.
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Affiliation(s)
- Amr Shaaban Hanafy
- Internal Medicine Department, Hepatogastroenterology Division, Zagazig University, Zagazig, Egypt
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20
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Maternal Anthropometry and Its Relationship with the Nutritional Status of Vitamin D, Calcium, and Parathyroid Hormone in Pregnant Women After Roux-en-Y Gastric Bypass. Obes Surg 2018; 28:3116-3124. [DOI: 10.1007/s11695-018-3331-8] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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Abstract
Metabolic Syndrome (MetS), affecting at least 30% of adults in the Western World, is characterized by three out of five variables, from high triglycerides, to elevated waist circumference and blood pressure. MetS is not characterized by elevated cholesterolemia, but is rather the consequence of a complex interaction of factors generally leading to increased insulin resistance. Drug treatments are of difficult handling, whereas well-characterized nutraceuticals may offer an effective alternative. Among these, functional foods, e.g. plant proteins, have been shown to improve insulin resistance and reduce triglyceride secretion. Pro- and pre-biotics, that are able to modify intestinal microbiome, reduce absorption of specific nutrients and improve the metabolic handling of energy-rich foods. Finally, specific nutraceuticals have proven to be of benefit, in particular, red-yeast rice, berberine, curcumin as well as vitamin D. All these can improve lipid handling by the liver as well as ameliorate insulin resistance. While lifestyle approaches, such as with the Mediterranean diet, may prove to be too complex for the single patient, better knowledge of selected nutraceuticals and more appropriate formulations leading to improved bioavailability will certainly widen the use of these agents, already in large use for the management of these very frequent patient groups. Key messages Functional foods, e.g. plant proteins, improve insulin resistance. Pro- and pre-biotics improve the metabolic handling of energy-rich foods. Nutraceutical can offer a significant help in handling MetS patients being part of lifestyle recommendations.
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Affiliation(s)
- Cesare R Sirtori
- a Centro Dislipidemie , A.S.S.T. Grande Ospedale Metropolitano Niguarda , Milan , Italy
| | - Chiara Pavanello
- b Dipartimento di Scienze Farmacologiche e Biomolecolari, Centro E. Grossi Paoletti , Università degli Studi di Milano , Milan , Italy
| | - Laura Calabresi
- b Dipartimento di Scienze Farmacologiche e Biomolecolari, Centro E. Grossi Paoletti , Università degli Studi di Milano , Milan , Italy
| | - Massimiliano Ruscica
- c Dipartimento di Scienze Farmacologiche e Biomolecolari , Università degli Studi di Milano , Milan , Italy
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22
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Parker VJ, Rudinsky AJ, Chew DJ. Vitamin D metabolism in canine and feline medicine. J Am Vet Med Assoc 2017; 250:1259-1269. [DOI: 10.2460/javma.250.11.1259] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022]
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Himbert C, Ose J, Delphan M, Ulrich CM. A systematic review of the interrelation between diet- and surgery-induced weight loss and vitamin D status. Nutr Res 2016; 38:13-26. [PMID: 28381350 DOI: 10.1016/j.nutres.2016.12.004] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/03/2016] [Revised: 11/30/2016] [Accepted: 12/03/2016] [Indexed: 12/30/2022]
Abstract
Obesity is a major global health problem and has been associated with vitamin D deficiency. Intentional weight loss may alter vitamin D status and, conversely, vitamin D supplementation has been hypothesized to aid in weight loss. A systematic literature search in PubMed/Medline identified 3173 articles of which 37 studies (randomized controlled trials (RCT) [n=17], non-RCTs [n=20]) are summarized as effect of: (I) diet-induced weight loss on vitamin D status (n=7), (II) vitamin D supplementation on diet-induced weight loss (n=11), (III) surgery-induced weight loss on vitamin D status (n=15), and (IV) vitamin D supplementation after surgery-induced weight loss on vitamin D status (n=5). While all studies on the effect of diet-induced weight loss on vitamin D status have consistently reported increased vitamin D levels, the targeted percentage of weight loss that is necessary for an increase has varied between 5% and >10%. N=11 RCTs testing the effect of vitamin D supplementation observe that vitamin D supplementation does not result in increased weight loss, but may affect body fat loss. Vitamin D deficiency and subsequent hyperparathyroidism have been detected in post-surgery patients, and there is evidence that vitamin D supplementation improves these post-surgery complications. We review the current evidence addressing the role of vitamin D status and supplementation in diet- and surgery-induced weight loss. Subsequently, we highlight gaps in current research and suggest directions for future research including differences in vitamin D supplementation dosages, indoor vs. outdoor exercise, and the assessment of vitamin D status in different body pools.
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Affiliation(s)
- Caroline Himbert
- Huntsman Cancer Institute, Population Sciences, Salt Lake City, UT; Department of Population Health Sciences, University of Utah, Salt Lake City, UT; University Hospital Hamburg-Eppendorf, Hamburg, Germany
| | - Jennifer Ose
- Huntsman Cancer Institute, Population Sciences, Salt Lake City, UT; Department of Population Health Sciences, University of Utah, Salt Lake City, UT
| | - Mahmoud Delphan
- Huntsman Cancer Institute, Population Sciences, Salt Lake City, UT; Department of Population Health Sciences, University of Utah, Salt Lake City, UT; Exercise Immunology, Physical Education and Sport Sciences Department, Tarbiat Modares University, Tehran, Iran
| | - Cornelia M Ulrich
- Huntsman Cancer Institute, Population Sciences, Salt Lake City, UT; Department of Population Health Sciences, University of Utah, Salt Lake City, UT.
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Wang X, Chang X, Zhu Y, Wang H, Sun K. Metabolically Obese Individuals of Normal Weight Have a High Risk of 25-Hydroxyvitamin D Deficiency. Am J Med Sci 2016; 352:360-367. [DOI: 10.1016/j.amjms.2016.06.017] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2015] [Revised: 06/22/2016] [Accepted: 06/28/2016] [Indexed: 01/23/2023]
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Peterson LA, Zeng X, Caufield-Noll CP, Schweitzer MA, Magnuson TH, Steele KE. Vitamin D status and supplementation before and after bariatric surgery: a comprehensive literature review. Surg Obes Relat Dis 2016; 12:693-702. [PMID: 27036669 DOI: 10.1016/j.soard.2016.01.001] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2015] [Revised: 12/11/2015] [Accepted: 01/01/2016] [Indexed: 01/05/2023]
Abstract
BACKGROUND Bariatric surgery is the most effective long-term weight loss method. The most common procedures are Roux-en-Y gastric bypass (RYGB) and vertical sleeve gastrectomy (VSG). Bariatric patients are at high risk of vitamin D deficiency (VDD) and insufficiency (VDI), which are associated with skeletal and nonskeletal ailments. There is no consensus regarding the optimal treatment for VDD/VDI in bariatric patients. OBJECTIVES To critically examine the literature on vitamin D status (serum 25[OH]D concentrations) pre- and postbariatric surgery as well as supplementation regimens currently used. METHODS We searched PubMed, Embase, and Cochrane from inception to May 2015 for articles relating to vitamin D, RYGB, and VSG. Of 208 citations retrieved, 30 were included. RESULTS Preoperative VDD (<20 ng/mL) ranged from 13% to 90%, while VDI (<30 ng/mL) was found in up to 98%. Prevalence remained similar postoperatively and was highest after RYGB. Most studies found dosages<800 IU daily insufficient postbariatric surgery. Other studies examined the effectiveness of dosages between 1000 and 5000 IU daily, reaching similar conclusions. Several studies suggested using 50,000 IU weekly plus a daily dose. No studies reported optimization. CONCLUSIONS It is widely accepted that serum 25(OH)D concentrations above 30 ng/mL are optimal; however, current postbariatric vitamin D supplementation fails to raise 25(OH)D above that level universally. This review highlights both the great need and the lack of consensus on the optimal supplementation regimen (dosage and frequency) for pre- and postbariatric patients. Future studies should investigate multiple regimens and attempt to identify methods for personalizing these regimens if found necessary.
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Affiliation(s)
| | - Xiange Zeng
- The Johns Hopkins Krieger School of Arts and Sciences, Baltimore, Maryland
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de Oliveira DL, Hirotsu C, Tufik S, Andersen ML. Vitamin D and Sleep Apnea: Beyond a Simple Association. J Clin Sleep Med 2015; 11:1345. [PMID: 26350605 DOI: 10.5664/jcsm.5206] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/13/2015] [Accepted: 08/14/2015] [Indexed: 01/10/2023]
Affiliation(s)
| | - Camila Hirotsu
- Department of Psychobiology, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Sergio Tufik
- Department of Psychobiology, Universidade Federal de São Paulo, São Paulo, Brazil
| | - Monica Levy Andersen
- Department of Psychobiology, Universidade Federal de São Paulo, São Paulo, Brazil
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Jamka M, Woźniewicz M, Walkowiak J, Bogdański P, Jeszka J, Stelmach-Mardas M. The effect of vitamin D supplementation on selected inflammatory biomarkers in obese and overweight subjects: a systematic review with meta-analysis. Eur J Nutr 2015; 55:2163-76. [DOI: 10.1007/s00394-015-1089-5] [Citation(s) in RCA: 44] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2015] [Accepted: 10/26/2015] [Indexed: 01/21/2023]
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Gongora MC, Wenger NK. Cardiovascular Complications of Pregnancy. Int J Mol Sci 2015; 16:23905-28. [PMID: 26473833 PMCID: PMC4632731 DOI: 10.3390/ijms161023905] [Citation(s) in RCA: 59] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2015] [Revised: 09/17/2015] [Accepted: 09/21/2015] [Indexed: 02/07/2023] Open
Abstract
Pregnancy causes significant metabolic and hemodynamic changes in a woman's physiology to allow for fetal growth. The inability to adapt to these changes might result in the development of hypertensive disorders of pregnancy (hypertension, preeclampsia or eclampsia), gestational diabetes and preterm birth. Contrary to previous beliefs these complications are not limited to the pregnancy period and may leave permanent vascular and metabolic damage. There is in addition, a direct association between these disorders and increased risk of future cardiovascular disease (CVD, including hypertension, ischemic heart disease, heart failure and stroke) and diabetes mellitus. Despite abundant evidence of this association, women who present with these complications of pregnancy do not receive adequate postpartum follow up and counseling regarding their increased risk of future CVD. The postpartum period in these women represents a unique opportunity to intervene with lifestyle modifications designed to reduce the development of premature cardiovascular complications. In some cases it allows early diagnosis and treatment of chronic hypertension or diabetes mellitus. The awareness of this relationship is growing in the medical community, especially among obstetricians and primary care physicians, who play a pivotal role in detecting these complications and assuring appropriate follow up.
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Affiliation(s)
- Maria Carolina Gongora
- Department of Medicine, Division of Cardiology, Emory University School of Medicine, Atlanta, GA 30322, USA.
| | - Nanette K Wenger
- Department of Medicine, Division of Cardiology, Emory University School of Medicine, Atlanta, GA 30322, USA.
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