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Greenberg JA, Cheung MM, Gross M, Ochs-Balcom HM, Jiang X. Dietary eggs, egg nutrients, polygenic score for body mass index, "Western pattern" diet, and weight change, a prospective analysis in the Women's health initiative. Clin Nutr 2024; 43:80-90. [PMID: 39357086 DOI: 10.1016/j.clnu.2024.09.022] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2024] [Revised: 08/28/2024] [Accepted: 09/05/2024] [Indexed: 10/04/2024]
Abstract
BACKGROUND & AIMS Eggs contain nutrients which could help enrich the diets of postmenopausal women. Egg consumption and elevated body weight have been associated with elevated risk of serious chronic disease. It is possible that elevated body weight mediates between egg consumption and serious chronic disease. However, few studies exist on the link between egg consumption and body weight in post-menopausal women, and none of them accounted for genetic weight gain predispositions. Our objective was to examine associations between egg consumption, body weight, and genetic predisposition for an elevated Body Mass Index (BMI), in postmenopausal women. METHODS We analyzed data from 4439 healthy Women's Health Initiative participants of European descent during a 6-year follow up using multivariable generalized linear mixed models to prospectively evaluate egg and egg-nutrient intake (measured by a food frequency questionnaire) against body weight and a BMI polygenic score (PGS-BMI) derived from GWAS meta-analysis effect-allele frequencies. RESULTS We found a positive prospective association between change in egg intake and body weight during the 6-year follow up. For instance, at year 3, women whose intake had increased by 2.0 eggs/week had gained 0.70 kg (95%CI: 0.34, 1.07, p = 0.0002) more than women whose intake had decreased by 2.4 eggs/week, p-linear <0.0001. Cholesterol-intake and choline-intake, but not betaine-intake, showed similar significant associations. Exploratory analysis revealed that: 1) women only demonstrated these significant associations if they exhibited higher intakes of "Western-pattern" foods including processed and red meats, French fries, sweets and deserts, sugar-sweetened beverages, fried foods, and dietary fat, and dietary energy; and 2) there was a significant positive prospective association between PGS-BMI and body-weight change, but only in the top quintile of egg-intake change. CONCLUSIONS We found significant positive prospective associations between weight change and changes in egg intake, cholesterol intake, and choline intake among healthy postmenopausal women of European ancestry in the Women's Health Initiative. Exploratory analyses revealed that: 1) these significant associations only obtained among women who ate large amounts of "Western-pattern" foods; and 2) women with a higher genetic susceptibility for an elevated BMI gained more weight only if they increased their egg intake considerably. Our results require confirmation.
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Affiliation(s)
- James A Greenberg
- Department of Health and Nutrition Sciences, Brooklyn, College of the City University of New York, 2900 Bedford Ave, Brooklyn, NY 11210, USA.
| | - May M Cheung
- Department of Health and Nutrition Sciences, Brooklyn, College of the City University of New York, 2900 Bedford Ave, Brooklyn, NY 11210, USA.
| | - Murray Gross
- Department of Computer and Information Sciences, Brooklyn College of the City University of New York, 2900 Bedford Ave, Brooklyn, NY 11210, USA.
| | - Heather M Ochs-Balcom
- Department of Epidemiology and Environmental Health, School of Public Health and Health Professions, State University of New York at Buffalo, 270 Farber Hall, Buffalo, NY 14214, USA.
| | - Xinyin Jiang
- Department of Health and Nutrition Sciences, Brooklyn, College of the City University of New York, 2900 Bedford Ave, Brooklyn, NY 11210, USA.
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Nikrandt G, Chmurzynska A. Decoding Betaine: A Critical Analysis of Therapeutic Potential Compared with Marketing Hype-A Narrative Review. J Nutr 2024:S0022-3166(24)01018-6. [PMID: 39270852 DOI: 10.1016/j.tjnut.2024.08.030] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2024] [Revised: 08/26/2024] [Accepted: 08/29/2024] [Indexed: 09/15/2024] Open
Abstract
Research interest in betaine supplementation has surged in recent years, for both enhancing sports performance and treating metabolic conditions. This surge aligns with an expanding market for betaine supplements, which are often marketed as promising aids for a range of metabolic conditions. Despite numerous in vitro and in vivo studies elucidating betaine's involvement in crucial metabolic pathways, consensus remains elusive on its clinical efficacy as a dietary supplement, based on results from randomized controlled trials. One analysis of dietary betaine intake in 28 observational studies showed a mean intake of 182 mg/d of betaine, with the main sources including grain-based foods, baked products, grains, cereals, and vegetables. Analysis of the results from human randomized clinical trials has shown that betaine supplementation improves body composition when combined with physical activity. Additionally, betaine supplementation decreases serum homocysteine levels, but does not affect liver enzymes, triglycerides, or high-density lipoprotein cholesterol levels, although it does increase total cholesterol and low-density lipoprotein cholesterol levels at doses ≥4 g/d. Market analysis has demonstrated that betaine is a popular supplement for supporting various physiological processes, such as digestibility, methylation, physical performance, and liver or cardiovascular health. Manufacturers suggest a diverse range of applications for betaine supplements, with 14 different uses identified. Additionally, high variability can be seen in the recommended usage directions for betaine. This narrative research sheds light on the evolving landscape of betaine supplementation and highlights the need for further investigation to clarify its clinical efficacy.
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Affiliation(s)
- Grzegorz Nikrandt
- Department of Human Nutrition and Dietetics, Poznań University of Life Sciences, Poznań, Poland
| | - Agata Chmurzynska
- Department of Human Nutrition and Dietetics, Poznań University of Life Sciences, Poznań, Poland.
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Del Carmen Fernández-Fígares Jiménez M. Plant foods, healthy plant-based diets, and type 2 diabetes: a review of the evidence. Nutr Rev 2024; 82:929-948. [PMID: 37550262 DOI: 10.1093/nutrit/nuad099] [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] [Indexed: 08/09/2023] Open
Abstract
Type 2 diabetes (T2D) is a metabolic chronic disease in which insulin resistance and insufficient insulin production lead to elevated blood glucose levels. The prevalence of T2D is growing worldwide, mainly due to obesity and the adoption of Western diets. Replacing animal foods with healthy plant foods is associated with a lower risk of T2D in prospective studies. In randomized controlled trials, the consumption of healthy plant foods in place of animal foods led to cardiometabolic improvements in patients with T2D or who were at high risk of the disease. Dietary patterns that limit or exclude animal foods and focus on healthy plant foods (eg, fruits, vegetables, whole grains, nuts, legumes), known as healthy, plant-based diets, are consistently associated with a lower risk of T2D in cohort studies. The aim of this review is to examine the differential effects of plant foods and animal foods on T2D risk and to describe the existing literature about the role of healthy, plant-based diets, particularly healthy vegan diets, in T2D prevention and management. The evidence from cohort studies and randomized controlled trials will be reported, in addition to the potential biological mechanisms that seem to be involved.
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Zhu J, Saikia G, Zhang X, Shen X, Kahe K. One-Carbon Metabolism Nutrients, Genetic Variation, and Diabetes Mellitus. Diabetes Metab J 2024; 48:170-183. [PMID: 38468500 PMCID: PMC10995489 DOI: 10.4093/dmj.2023.0272] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Accepted: 02/22/2024] [Indexed: 03/13/2024] Open
Abstract
Diabetes mellitus (DM) affects about 9.3% of the population globally. Hyperhomocysteinemia (HHcy) has been implicated in the pathogenesis of DM, owing to its promotion of oxidative stress, β-cell dysfunction, and insulin resistance. HHcy can result from low status of one-carbon metabolism (OCM) nutrients (e.g., folate, choline, betaine, vitamin B6, B12), which work together to degrade homocysteine by methylation. The etiology of HHcy may also involve genetic variation encoding key enzymes in OCM. This review aimed to provide an overview of the existing literature assessing the link between OCM nutrients status, related genetic factors, and incident DM. We also discussed possible mechanisms underlying the role of OCM in DM development and provided recommendations for future research and practice. Even though the available evidence remains inconsistent, some studies support the potential beneficial effects of intakes or blood levels of OCM nutrients on DM development. Moreover, certain variants in OCM-related genes may influence metabolic handling of methyl-donors and presumably incidental DM. Future studies are warranted to establish the causal inference between OCM and DM and examine the interaction of OCM nutrients and genetic factors with DM development, which will inform the personalized recommendations for OCM nutrients intakes on DM prevention.
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Affiliation(s)
- Jie Zhu
- Nutrition and Foods Program, School of Family and Consumer Sciences, Texas State University, San Marcos, TX, USA
| | - Gunjana Saikia
- Nutrition and Foods Program, School of Family and Consumer Sciences, Texas State University, San Marcos, TX, USA
| | - Xiaotao Zhang
- Institute for Translational Epidemiology & Division of Liver Diseases, Department of Medicine, Icahn School of Medicine at Mount Sinai, New York, NY, USA
| | - Xiaoxi Shen
- Department of Mathematics, Texas State University, San Marcos, TX, USA
| | - Ka Kahe
- Department of Obstetrics and Gynecology, Vagelos College of Physician and Surgeons, Columbia University, New York, NY, USA
- Department of Epidemiology, Mailman School of Public Health, Columbia University, New York, NY, USA
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Hosseini-Esfahani F, Koochakpoor G, Golzarand M, Mirmiran P, Azizi F. Dietary Intakes of Choline and Betaine and Incidence of Type 2 Diabetes: Tehran Lipid and Glucose Study. Metab Syndr Relat Disord 2023; 21:573-580. [PMID: 37816243 DOI: 10.1089/met.2023.0096] [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] [Indexed: 10/12/2023] Open
Abstract
Background: Our knowledge for the possible link between choline and betaine and the risk of type 2 diabetes (T2D) is very limited and contradictory. This study aimed to investigate the prospective association of dietary choline and betaine intakes with the risk of T2D in a group of Tehranian adults. Methods: In this prospective study, 6022 eligible subjects aged ≥18 years were chosen from the participants of the Tehran Lipid and Glucose Study in a secondary analysis. Diet was assessed based on a valid and reliable semiquantitative food frequency questionnaire. At baseline and follow-up examinations, biochemical and anthropometric variables were assessed. Multivariable Cox proportional hazard regression models was used to estimate the new onset of T2D concerning choline and betaine intake. Results: The mean age ± SD of 2707 men and 3315 women were, respectively, 41.4 ± 14.2 and 39.1 ± 13.1. During a median follow-up of 6.63 years, 528 cases of T2D incidence were diagnosed. Participants with a higher intake of choline had a higher intake of protein, fiber, and B12 and a lower intake of energy and carbohydrates. After controlling of confounders a significant positive association was observed between choline intake and the hazard ratio (HR) of T2D across quartiles of choline intake [HR (CI) in the fourth quartile: 1.25 (1.14-1.38), P trend = 0.01], but this significant finding was not reported for betaine intake. For every 100 milligram increase in choline consumption, the HR of T2D increased significantly in all age, sex, and BMI subgroups. Conclusions: Choline consumption increased the risk of T2D in total population and subgroups. No statistically significant association was found between dietary betaine intake and the risk of T2D in total population and subgroups.
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Affiliation(s)
- Firoozeh Hosseini-Esfahani
- Nutrition and Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | | | - Mahdieh Golzarand
- Nutrition and Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Parvin Mirmiran
- Nutrition and Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Fereidoun Azizi
- Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Li Y, Pei H, Zhou C, Lou Y. Dietary cholesterol consumption and incidence of type 2 diabetes mellitus: A dose-response meta-analysis of prospective cohort studies. Nutr Metab Cardiovasc Dis 2023; 33:2-10. [PMID: 36411220 DOI: 10.1016/j.numecd.2022.07.016] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/15/2022] [Revised: 07/21/2022] [Accepted: 07/21/2022] [Indexed: 02/02/2023]
Abstract
BACKGROUND AND AIM The purpose of this meta-analysis was to evaluate the dose-response relationship between dietary cholesterol (DC) consumption and the incidence of type 2 diabetes mellitus (T2DM). METHODS AND RESULTS Prospective studies with the endpoint of T2DM were included. The Random-effect model weighted by inverse variance was used. Meta-regression and subgroup analyses were conducted to explore the potential sources of heterogeneity by specified study characteristics. Restricted cubic splines regression models were used to estimate the dose-response relationship. 11 prospective studies comprising of 355 230 subjects were included. Compared to lowest DC consumption, highest DC consumption was associated with an increased risk of T2DM (RR 1.15, 95% CI 1.03 to 1.28, P = 0.012; chi-squared = 31.41, I-squared 58.6%, P heterogeneity = 0.003). Subgroup analyses have shown that this positive association was more evident in western countries than in eastern countries (RR 1.19, 95% CI 1.06 to 1.36 VS 1.34, 95% CI 0.84 to 1.29; P subgroup difference = 0.02). For 100 mg/d increment in DC intake, the pooled RR was 1.05, (95% CI 1.04 to 1.07, Plinearity = 0.000, Pnonlinearity = 0.02), 1.06 (95% CI 1.04 to 1.07, Plinearity=0.000), and 1.01 (95% CI 0.98 to 1.05, Plinearity = 0.525) for the incidence of T2DM, in western and eastern countries, respectively. CONCLUSIONS Our study suggests that there is a positive dose-response association between DC consumption and the incidence of T2DM, especially in western countries. SYSTEMATIC REVIEW REGISTRATION PROSPERO CRD42020216318.
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Affiliation(s)
- Yuehua Li
- Department of Cardiology, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100037, China
| | - Hanjun Pei
- Department of Cardiology, The First Affiliated Hospital of Baotou Medical College, Baotou, Inner Mongolia, China
| | - Chenghui Zhou
- Department of Anesthesiology, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100037, China
| | - Ying Lou
- Department of Cardiology, State Key Laboratory of Cardiovascular Disease, Fuwai Hospital, National Center for Cardiovascular Disease, Chinese Academy of Medical Sciences and Peking Union Medical College, Beijing, 100037, China.
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Mesas AE, Garrido-Miguel M, Fernández-Rodríguez R, Fernández-Franco S, Lugones-Sánchez C, García-Ortiz L, Martínez-Vizcaíno V. The association of egg consumption with blood pressure levels and glycated hemoglobin in Spanish adults according to body mass index. Sci Rep 2022; 12:17465. [PMID: 36261679 PMCID: PMC9582218 DOI: 10.1038/s41598-022-21772-6] [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: 05/13/2022] [Accepted: 09/30/2022] [Indexed: 01/12/2023] Open
Abstract
The objective of this study was to evaluate the association of egg consumption with blood pressure (BP) and glycated hemoglobin (HbA1c). In addition, it was assessed whether this association changes according to body weight status. This cross-sectional study is based on multicenter data from Spanish adult participants in the EVIDENT II trial. Egg consumption was assessed with a Food Frequency Questionnaire, and data on BP and HbA1c were collected using standardized procedures. Linear regression and ANCOVA models adjusted for the main confounders were performed. The analyses were stratified by body weight status. A total of 668 participants were analyzed (mean age 52.4 ± 11.8 years, 62.3% women). Compared with lower consumption, higher egg consumption was associated with lower systolic (ß = - 6.15 ± 1.74; p-for-trend = 0.017), diastolic (ß = - 4.41 ± 1.03; p-for-trend = 0.002), and mean arterial pressure (ß = - 4.99 ± 1.17; p-for-trend = 0.003) and with lower HbA1c (ß = - 0.19 ± 0.06; p-for-trend = 0.019) levels. These associations lost statistical significance in the adjusted analyses. The results did not vary by body weight status. In conclusion, consumption of up to 1 egg per day is not associated with BP or HbA1c, even in overweight or obese individuals. Our findings suggested that this frequency of egg consumption is safe as part of a healthy diet and lifestyle for cardiometabolic risk.
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Affiliation(s)
- Arthur Eumann Mesas
- grid.8048.40000 0001 2194 2329Health and Social Research Center, Universidad de Castilla-La Mancha, 16071 Cuenca, Spain ,grid.411400.00000 0001 2193 3537Universidade Estadual de Londrina, Londrina, Paraná 86057-970 Brazil
| | - Miriam Garrido-Miguel
- grid.8048.40000 0001 2194 2329Health and Social Research Center, Universidad de Castilla-La Mancha, 16071 Cuenca, Spain ,grid.8048.40000 0001 2194 2329Faculty of Nursing, Universidad de Castilla-La Mancha, C/ Campus Universitario , s/n (Edificio Benjamín Palencia), 02006 Albacete, Spain
| | - Rubén Fernández-Rodríguez
- grid.8048.40000 0001 2194 2329Health and Social Research Center, Universidad de Castilla-La Mancha, 16071 Cuenca, Spain
| | | | - Cristina Lugones-Sánchez
- grid.452531.4Unidad de Investigación en Atención Primaria de Salamanca (APISAL), Gerencia de Atención Primaria de Salamanca, Gerencia Regional de Salud de Castilla y León (SACyL), Instituto de Investigación Biomédica de Salamanca (IBSAL), 37005 Salamanca, Spain
| | - Luis García-Ortiz
- grid.452531.4Unidad de Investigación en Atención Primaria de Salamanca (APISAL), Gerencia de Atención Primaria de Salamanca, Gerencia Regional de Salud de Castilla y León (SACyL), Instituto de Investigación Biomédica de Salamanca (IBSAL), 37005 Salamanca, Spain ,grid.11762.330000 0001 2180 1817Departamento de Ciencias Biomédicas y del Diagnóstico, Universidad de Salamanca, 37007 Salamanca, Spain ,RedIAPP: Red Española de Investigación Para Actividades Preventivas y Promoción de la Salud en Atención Primaria, Barcelona, Spain
| | - Vicente Martínez-Vizcaíno
- grid.8048.40000 0001 2194 2329Health and Social Research Center, Universidad de Castilla-La Mancha, 16071 Cuenca, Spain ,RedIAPP: Red Española de Investigación Para Actividades Preventivas y Promoción de la Salud en Atención Primaria, Barcelona, Spain ,grid.441837.d0000 0001 0765 9762Facultad de Ciencias de la Salud, Universidad Autónoma de Chile, 1101 Talca, Chile
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Uusitupa M. Sources of animal proteins and type 2 diabetes risk - decreasing the consumption of red meat is well grounded. Diabetes Res Clin Pract 2022; 191:110072. [PMID: 36067914 DOI: 10.1016/j.diabres.2022.110072] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/27/2022] [Accepted: 08/31/2022] [Indexed: 11/22/2022]
Affiliation(s)
- Matti Uusitupa
- Professor Emeritus, Institute of Public Health and Clinical Nutrition, University of Eastern Finland, Finland
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Kawada T. Egg consumption and incident type 2 diabetes: A risk assessment. Clin Nutr 2021; 40:5417. [PMID: 34653816 DOI: 10.1016/j.clnu.2021.09.026] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/01/2021] [Accepted: 09/13/2021] [Indexed: 10/20/2022]
Affiliation(s)
- Tomoyuki Kawada
- Department of Hygiene and Public Health, Nippon Medical School, 1-1-5 Sendagi, Bunkyo-Ku, Tokyo, 113-8602, Japan.
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