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Nilsen I, Andersson A, Laurenius A, Osterberg J, Sundbom M, Haenni A. Lower Interstitial Glucose Concentrations but Higher Glucose Variability during Low-Energy Diet Compared to Regular Diet-An Observational Study in Females with Obesity. Nutrients 2021; 13:3687. [PMID: 34835943 PMCID: PMC8623427 DOI: 10.3390/nu13113687] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2021] [Revised: 10/15/2021] [Accepted: 10/18/2021] [Indexed: 11/23/2022] Open
Abstract
This is an observational study of interstitial glucose (IG) concentrations, IG variability and dietary intake under free-living conditions in 46 females with obesity but without diabetes. We used continuous glucose monitoring, open-ended food recording and step monitoring during regular dietary intake followed by a low-energy diet (LED). Thirty-nine participants completed both study periods. The mean BMI at baseline was 43.6 ± 6.2 kg/m2. Three weeks of LED resulted in a mean weight loss of 5.2% with a significant reduction in diurnal IG concentration but with greater glycemic variability observed during LED. The mean 24 h IG concentration decreased from 5.8 ± 0.5 mmol/L during the regular diet period to 5.4 ± 0.5 mmol/L (p < 0.001) during LED, while the mean amplitude of glycemic excursion increased from 1.5 ± 0.7 to 1.7 ± 0.7 mmol/L (p = 0.031). The positive incremental area under the curve at breakfast was significantly larger for LED compared to regular diet. The daily fiber intake and the glycemic index of breakfast meals were significantly associated with the glycemic variability during regular dietary intake. In conclusion, the 24 h mean IG concentration was lower but with more pronounced glycemic variability during LED compared to a regular diet.
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Affiliation(s)
- Inger Nilsen
- Department of Dietetics and Speech Therapy, Mora Hospital, SE-792 51 Mora, Sweden
- Center for Clinical Research Dalarna, Region Dalarna, SE-791 82 Falun, Sweden
- Department of Food Studies, Nutrition and Dietetics, Uppsala University, SE-751 22 Uppsala, Sweden;
| | - Agneta Andersson
- Department of Food Studies, Nutrition and Dietetics, Uppsala University, SE-751 22 Uppsala, Sweden;
| | - Anna Laurenius
- Department of Surgery, University of Gothenburg, SE-413 45 Gothenburg, Sweden;
| | - Johanna Osterberg
- Department of Surgery, Mora Hospital, SE-792 51 Mora, Sweden;
- Department of Clinical Sciences, Intervention and Technology (CLINTEC), Karolinska Institute, SE-171 77 Stockholm, Sweden
| | - Magnus Sundbom
- Department of Surgical Sciences, Uppsala University, SE-751 85 Uppsala, Sweden;
| | - Arvo Haenni
- Department of Public Health and Caring Sciences, Clinical Nutrition and Metabolism, Uppsala University, SE-751 85 Uppsala, Sweden;
- Department of Surgery, Bariatric Unit, Falun Hospital, SE-791 31 Falun, Sweden
- Department of Diabetes, Endocrinology, University Hospital, SE-750 85 Uppsala, Sweden
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Zurbau A, Noronha JC, Khan TA, Sievenpiper JL, Wolever TMS. The effect of oat β-glucan on postprandial blood glucose and insulin responses: a systematic review and meta-analysis. Eur J Clin Nutr 2021; 75:1540-1554. [PMID: 33608654 PMCID: PMC8563417 DOI: 10.1038/s41430-021-00875-9] [Citation(s) in RCA: 32] [Impact Index Per Article: 10.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/27/2020] [Revised: 01/18/2021] [Accepted: 01/28/2021] [Indexed: 12/26/2022]
Abstract
To determine the effect of oat β‑glucan (OBG) on acute glucose and insulin responses and identify significant effect modifiers we searched the MEDLINE, EMBASE, and Cochrane databases through October 27, 2020 for acute, crossover, controlled feeding trials investigating the effect of adding OBG (concentrate or oat-bran) to carbohydrate-containing test-meals compared to comparable or different carbohydrate-matched control-meals in humans regardless of health status. The primary outcome was glucose incremental area-under-the-curve (iAUC). Secondary outcomes were insulin iAUC, and glucose and insulin incremental peak-rise (iPeak). Two reviewers extracted the data and assessed risk-of-bias and certainty-of-evidence (GRADE). Data were pooled using generic inverse-variance with random-effects model and expressed as ratio-of-means with [95% CIs]. We included 103 trial comparisons (N = 538). OBG reduced glucose iAUC and iPeak by 23% (0.77 [0.74, 0.81]) and 28% (0.72 [0.64, 0.76]) and insulin by 22% (0.78 [0.72, 0.85]) and 24% (0.76 [0.65, 0.88]), respectively. Dose, molecular-weight, and comparator were significant effect modifiers of glucose iAUC and iPeak. Significant linear dose-response relationships were observed for all outcomes. OBG molecular-weight >300 kg/mol significantly reduced glucose iAUC and iPeak, whereas molecular-weight <300 kg/mol did not. Reductions in glucose iAUC (27 vs 20%, p = 0.03) and iPeak (39 vs 25%, p < 0.01) were significantly larger with different vs comparable control-meals. Outcomes were similar in participants with and without diabetes. All outcomes had high certainty-of-evidence. In conclusion, current evidence indicates that adding OBG to carbohydrate-containing meals reduces glycaemic and insulinaemic responses. However, the magnitude of glucose reduction depends on OBG dose, molecular-weight, and the comparator.
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Affiliation(s)
- Andreea Zurbau
- INQUIS Clinical Research Ltd. (formerly GI Labs), Toronto, ON, Canada.,Toronto 3D Knowledge Synthesis and Clinical Trials Unit, Clinical Nutrition and Risk Factor Modification Centre, St. Michael's Hospital, Toronto, ON, Canada.,Department of Nutritional Sciences, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - Jarvis C Noronha
- INQUIS Clinical Research Ltd. (formerly GI Labs), Toronto, ON, Canada
| | - Tauseef A Khan
- Toronto 3D Knowledge Synthesis and Clinical Trials Unit, Clinical Nutrition and Risk Factor Modification Centre, St. Michael's Hospital, Toronto, ON, Canada.,Department of Nutritional Sciences, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada
| | - John L Sievenpiper
- Toronto 3D Knowledge Synthesis and Clinical Trials Unit, Clinical Nutrition and Risk Factor Modification Centre, St. Michael's Hospital, Toronto, ON, Canada.,Department of Nutritional Sciences, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada.,Department of Medicine, Temerty Faculty of Medicine, University of Toronto, Toronto, ON, Canada.,Division of Endocrinology and Metabolism, Department of Medicine, St. Michael's Hospital, Toronto, ON, Canada.,Li Ka Shing Knowledge Institute, St. Michael's Hospital, Toronto, ON, Canada
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Okafor EN, Erukainure OL, Ozumba AU, Adewale CO, Kayode FO, Asieba GO, Adesegha OI, Elemo GN. Cassava Flour Substitution Modulates Glycemic Responses and Glycemic Index of Wheat Breads in Apparent Healthy Volunteers. J Diet Suppl 2017; 14:446-452. [PMID: 28118067 DOI: 10.1080/19390211.2016.1267061] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/20/2022]
Abstract
Different carbohydrate foods produce different glycemic responses even with little or no difference in macronutrient composition. Cassava constitutes one of the major staples in Nigeria. Four blends of cassava-wheat bread samples with 0, 10, 15, and 20% cassava flour inclusion were fed individually to groups of healthy human volunteers. Subjects were studied on separate occasions in the morning after a 10-12-hr overnight fast. Blood glucose responses were measured at intervals of 30 min over a period of 2 hr. Glucose was used as a reference food. There were normal glucose responses to the bread samples studied. Increase in cassava incorporation led to less significant glycemic responses. The glycemic index values ranged from 91-94. Results from this study indicate that the inclusion of cassava flour in bread production might not pose a threat to blood glucose response of individuals.
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Affiliation(s)
- Ebelechukwu N Okafor
- a Department of Food Technology , Federal Institute of Industrial Research , Lagos , Nigeria
| | - Ochuko L Erukainure
- a Department of Food Technology , Federal Institute of Industrial Research , Lagos , Nigeria
| | - Augusta U Ozumba
- a Department of Food Technology , Federal Institute of Industrial Research , Lagos , Nigeria
| | - Chris O Adewale
- b Department of Health Services , Federal Institute of Industrial Research , Lagos , Nigeria
| | - Funmi O Kayode
- c Department of Production, Analytical and Laboratory Management , Federal Institute of Industrial Research , Lagos , Nigeria
| | - Godfrey O Asieba
- c Department of Production, Analytical and Laboratory Management , Federal Institute of Industrial Research , Lagos , Nigeria
| | - Olubukola I Adesegha
- d Department of Planning, Technology Transfer and Information Management , Federal Institute of Industrial Research , Lagos , Nigeria
| | - Gloria N Elemo
- a Department of Food Technology , Federal Institute of Industrial Research , Lagos , Nigeria
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Diederichs T, Herder C, Roßbach S, Roden M, Wudy SA, Nöthlings U, Alexy U, Buyken AE. Carbohydrates from Sources with a Higher Glycemic Index during Adolescence: Is Evening Rather than Morning Intake Relevant for Risk Markers of Type 2 Diabetes in Young Adulthood? Nutrients 2017; 9:nu9060591. [PMID: 28604592 PMCID: PMC5490570 DOI: 10.3390/nu9060591] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2017] [Revised: 06/02/2017] [Accepted: 06/07/2017] [Indexed: 12/19/2022] Open
Abstract
Background: This study investigated whether glycemic index (GI) or glycemic load (GL) of morning or evening intake and morning or evening carbohydrate intake from low- or higher-GI food sources (low-GI-CHO, higher-GI-CHO) during adolescence are relevant for risk markers of type 2 diabetes in young adulthood. Methods: Analyses included DOrtmund Nutritional and Anthropometric Longitudinally Designed (DONALD) study participants who had provided at least two 3-day weighed dietary records (median: 7 records) during adolescence and one blood sample in young adulthood. Using multivariable linear regression analyses, estimated morning and evening GI, GL, low-GI-CHO (GI < 55) and higher-GI-CHO (GI ≥ 55) were related to insulin sensitivity (N = 252), hepatic steatosis index (HSI), fatty liver index (FLI) (both N = 253), and a pro-inflammatory-score (N = 249). Results: Morning intakes during adolescence were not associated with any of the adult risk markers. A higher evening GI during adolescence was related to an increased HSI in young adulthood (p = 0.003). A higher consumption of higher-GI-CHO in the evening was associated with lower insulin sensitivity (p = 0.046) and an increased HSI (p = 0.006), while a higher evening intake of low-GI-CHO was related to a lower HSI (p = 0.009). Evening intakes were not related to FLI or the pro-inflammatory-score (all p > 0.1). Conclusion: Avoidance of large amounts of carbohydrates from higher-GI sources in the evening should be considered in preventive strategies to reduce the risk of type 2 diabetes in adulthood.
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Affiliation(s)
- Tanja Diederichs
- IEL-Nutritional Epidemiology, DONALD Study, Rheinische Friedrich-Wilhelms-University Bonn, Heinstueck 11, 44225 Dortmund, Germany.
| | - Christian Herder
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich Heine University Düsseldorf, Düsseldorf, Auf'm Hennekamp 65, 40225 Düsseldorf, Germany.
- German Center for Diabetes Research (DZD), Ingolstädter Landstr. 1, 85764 München-Neuherberg, Germany.
| | - Sarah Roßbach
- IEL-Nutritional Epidemiology, DONALD Study, Rheinische Friedrich-Wilhelms-University Bonn, Heinstueck 11, 44225 Dortmund, Germany.
| | - Michael Roden
- Institute for Clinical Diabetology, German Diabetes Center, Leibniz Center for Diabetes Research at Heinrich Heine University Düsseldorf, Düsseldorf, Auf'm Hennekamp 65, 40225 Düsseldorf, Germany.
- German Center for Diabetes Research (DZD), Ingolstädter Landstr. 1, 85764 München-Neuherberg, Germany.
- Department of Endocrinology and Diabetology, Medical Faculty, Heinrich Heine University Düsseldorf, Moorenstraße 5, 40225 Düsseldorf, Germany.
| | - Stefan A Wudy
- Pediatric Endocrinology and Diabetology, Laboratory for Translational Hormone Analytics, Peptide Hormone Research Unit, Center of Child and Adolescent Medicine, Justus Liebig University Giessen, Feulgenstraße 10-12, 35392 Gießen, Germany.
| | - Ute Nöthlings
- IEL-Nutritional Epidemiology, DONALD Study, Rheinische Friedrich-Wilhelms-University Bonn, Heinstueck 11, 44225 Dortmund, Germany.
| | - Ute Alexy
- IEL-Nutritional Epidemiology, DONALD Study, Rheinische Friedrich-Wilhelms-University Bonn, Heinstueck 11, 44225 Dortmund, Germany.
| | - Anette E Buyken
- IEL-Nutritional Epidemiology, DONALD Study, Rheinische Friedrich-Wilhelms-University Bonn, Heinstueck 11, 44225 Dortmund, Germany.
- Institute of Nutrition, Consumption and Health, Faculty of Natural Sciences, University Paderborn, Warburger Straße 100, 33098 Paderborn, Germany.
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5
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Cheng G, Xue H, Luo J, Jia H, Zhang L, Dai J, Buyken AE. Relevance of the dietary glycemic index, glycemic load and genetic predisposition for the glucose homeostasis of Chinese adults without diabetes. Sci Rep 2017; 7:400. [PMID: 28341844 PMCID: PMC5428428 DOI: 10.1038/s41598-017-00453-9] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2016] [Accepted: 02/27/2017] [Indexed: 01/19/2023] Open
Abstract
Type 2 diabetes (T2DM) and pre-diabetes have become a major public health problem in China. We examined whether a higher dietary glycemic index (GI) or glycemic load (GL) was associated with a less favorable glucose homeostasis among Chinese adults and whether these associations were modified by their genetic predisposition or whether combined effects exist with their cereal fiber intake. Multivariable regression analyses were performed in 3918 adults aged 23-69 years for whom three 24-hour dietary recalls and information on glucose homeostasis, genetic background and potential confounders was available. Adults in the highest GI (GL) tertile had an approximately 9% (5%) higher fasting plasma glucose, 11% (3%) higher glycated haemoglobin, 12% (7%) higher insulin level, and 28% (22%) higher hepatic insulin resistance compared to those in the lowest tertile (adjusted pfor-trend ≤ 0.04). Moreover, a higher dietary GI or GL was associated with higher odds of pre-diabetes (pfor-trend = 0.03). These associations were more pronounced among persons with a high T2DM genetic risk score (pfor-interaction ≤ 0.06) or a low cereal fiber intake (pfor-interaction ≤ 0.05). In conclusion, our study indicates that the dietary GI or GL is of relevance for glucose homeostasis among Chinese adults, particularly among individuals genetically predisposed to T2DM.
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Affiliation(s)
- Guo Cheng
- West China School of Public Health and State Key Laboratory of Biotherapy and Cancer Center, Sichuan University, Chengdu, P.R. China.
| | - Hongmei Xue
- West China School of Public Health, Sichuan University, Chengdu, P.R. China
| | - Jiao Luo
- West China School of Public Health, Sichuan University, Chengdu, P.R. China
| | - Hong Jia
- Department of Epidemiology and Biostatistics, School of Public Health, Southwest Medical University, Luzhou, China
| | - Lishi Zhang
- West China School of Public Health, Sichuan University, Chengdu, P.R. China
| | - Junbiao Dai
- MOE Key Laboratory of Bioinformatics and Center for Synthetic and Systems Biology, School of Life Sciences, Tsinghua University, Beijing, China
| | - Anette E Buyken
- IEL-Nutritional Epidemiology, University of Bonn, DONALD Study, Dortmund, Germany
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Wolever TMS, Augustin LSA, Brand-Miller JC, Delport E, Livesey G, Ludwig DS, Sievenpiper JL. Glycemic index is as reliable as macronutrients on food labels. Am J Clin Nutr 2017; 105:768-769. [PMID: 28251938 PMCID: PMC5320414 DOI: 10.3945/ajcn.116.146092] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023] Open
Affiliation(s)
| | | | - Jennie C Brand-Miller
- From the Department of Nutritional Sciences, University of Toronto, Toronto, Ontario, Canada (JLS; TMSW, e-mail: ); the Clinical Nutrition and Risk Factor Modification Centre, St. Michael's Hospital, Toronto, Ontario, Canada (LSAA); Boden Institute of Obesity, Nutrition, Exercise, and Eating Disorders, University of Sydney, Sydney, Australia (JCB-M); the Glycemic Index Foundation of South Africa, Nelspruit, South Africa (ED); Independent Nutrition Logic, Wymondham, United Kingdom (GL); and the New Balance Foundation Obesity Prevention Center, Boston Children's Hospital and Harvard Medical School, Boston, MA (DSL)
| | - Elizabeth Delport
- From the Department of Nutritional Sciences, University of Toronto, Toronto, Ontario, Canada (JLS; TMSW, e-mail: ); the Clinical Nutrition and Risk Factor Modification Centre, St. Michael's Hospital, Toronto, Ontario, Canada (LSAA); Boden Institute of Obesity, Nutrition, Exercise, and Eating Disorders, University of Sydney, Sydney, Australia (JCB-M); the Glycemic Index Foundation of South Africa, Nelspruit, South Africa (ED); Independent Nutrition Logic, Wymondham, United Kingdom (GL); and the New Balance Foundation Obesity Prevention Center, Boston Children's Hospital and Harvard Medical School, Boston, MA (DSL)
| | - Geoffrey Livesey
- From the Department of Nutritional Sciences, University of Toronto, Toronto, Ontario, Canada (JLS; TMSW, e-mail: ); the Clinical Nutrition and Risk Factor Modification Centre, St. Michael's Hospital, Toronto, Ontario, Canada (LSAA); Boden Institute of Obesity, Nutrition, Exercise, and Eating Disorders, University of Sydney, Sydney, Australia (JCB-M); the Glycemic Index Foundation of South Africa, Nelspruit, South Africa (ED); Independent Nutrition Logic, Wymondham, United Kingdom (GL); and the New Balance Foundation Obesity Prevention Center, Boston Children's Hospital and Harvard Medical School, Boston, MA (DSL)
| | - David S Ludwig
- From the Department of Nutritional Sciences, University of Toronto, Toronto, Ontario, Canada (JLS; TMSW, e-mail: ); the Clinical Nutrition and Risk Factor Modification Centre, St. Michael's Hospital, Toronto, Ontario, Canada (LSAA); Boden Institute of Obesity, Nutrition, Exercise, and Eating Disorders, University of Sydney, Sydney, Australia (JCB-M); the Glycemic Index Foundation of South Africa, Nelspruit, South Africa (ED); Independent Nutrition Logic, Wymondham, United Kingdom (GL); and the New Balance Foundation Obesity Prevention Center, Boston Children's Hospital and Harvard Medical School, Boston, MA (DSL)
| | - John L Sievenpiper
- From the Department of Nutritional Sciences, University of Toronto, Toronto, Ontario, Canada (JLS; TMSW, e-mail: ); the Clinical Nutrition and Risk Factor Modification Centre, St. Michael's Hospital, Toronto, Ontario, Canada (LSAA); Boden Institute of Obesity, Nutrition, Exercise, and Eating Disorders, University of Sydney, Sydney, Australia (JCB-M); the Glycemic Index Foundation of South Africa, Nelspruit, South Africa (ED); Independent Nutrition Logic, Wymondham, United Kingdom (GL); and the New Balance Foundation Obesity Prevention Center, Boston Children's Hospital and Harvard Medical School, Boston, MA (DSL)
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Chandler-Laney PC, Shepard DN, Schneider CR, Flagg LA, Granger WM, Mancuso MS, Biggio JR, Gower BA. Relatively Low β-Cell Responsiveness Contributes to the Association of BMI with Circulating Glucose Concentrations Measured under Free-Living Conditions among Pregnant African American Women. J Nutr 2016; 146:994-1000. [PMID: 27052534 PMCID: PMC4841920 DOI: 10.3945/jn.115.222877] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2015] [Accepted: 02/17/2016] [Indexed: 11/14/2022] Open
Abstract
BACKGROUND Body mass index (BMI, in kg/m(2)) is positively associated with plasma glucose in late pregnancy and with risk of adverse obstetric outcomes. Much of the existing research uses single-clinic measures of plasma glucose, which may not accurately reflect circulating glucose under free-living conditions. Furthermore, little is known about circulating glucose concentrations of African American women, who tend to have poorer diet quality and a greater risk of obstetric complications. OBJECTIVE The objective of the study was to test the hypothesis that the positive association of BMI in early pregnancy with third-trimester circulating glucose concentrations measured under free-living conditions among African American women would be at least partially attributable to lower β-cell insulin secretion relative to insulin sensitivity [i.e., lower disposition index (DI)]. METHODS Using a prospective, observational design, 40 pregnant African American women (mean ± SD age: 23.1 ± 4.0 y; mean ± SD BMI: 28.4 ± 7.5) wore continuous glucose monitors and accelerometers for 3 d at 32-35 wk of gestation and concurrently maintained a food diary to report their self-selected meals. The DI was derived from a 75-g oral glucose tolerance test. Linear regression modeling was used to calculate the association of BMI with the 24-h glucose (GLUC24h) and 2-h (GLUC2hPP) postprandial glucose areas under the curve and with the percentage of time the glucose concentrations were >120 mg/dL. RESULTS The positive associations between BMI and GLUC24h (standardized β = 0.36, P = 0.03) and the percentage of time glucose concentrations were >120 mg/dL (standardized β = 0.40, P = 0.02) were independent of total carbohydrate intake and physical activity and were attenuated when DI was added to the model. The positive association of BMI with GLUC2hPP was attenuated when DI was added to the model, and DI itself was independently associated with GLUC2hPP after self-selected breakfast and dinner (standardized β = -0.33 and -0.42, respectively; P = 0.01). CONCLUSIONS The association of BMI with high circulating glucose in free-living pregnant African American women is at least partially attributable to lower β-cell responsiveness.
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Affiliation(s)
| | | | | | | | | | - Melissa S Mancuso
- Obstetrics and Gynecology, Center for Women’s Reproductive Health, University of Alabama at Birmingham, Birmingham, AL
| | - Joseph R Biggio
- Obstetrics and Gynecology, Center for Women’s Reproductive Health, University of Alabama at Birmingham, Birmingham, AL
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8
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Wolever TMS. Personalized nutrition by prediction of glycaemic responses: fact or fantasy? Eur J Clin Nutr 2016; 70:411-3. [DOI: 10.1038/ejcn.2016.31] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/02/2023]
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9
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Glade MJ, Smith K. A glance at… glycemic index. Nutrition 2015; 31:539-41. [DOI: 10.1016/j.nut.2014.10.013] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2014] [Accepted: 10/24/2014] [Indexed: 01/26/2023]
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10
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Glycemic index claims on food labels: review of Health Canada's evaluation. Eur J Clin Nutr 2013; 67:1229-33. [DOI: 10.1038/ejcn.2013.193] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2013] [Accepted: 09/05/2013] [Indexed: 11/08/2022]
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Goletzke J, Herder C, Joslowski G, Bolzenius K, Remer T, Wudy SA, Roden M, Rathmann W, Buyken AE. Habitually higher dietary glycemic index during puberty is prospectively related to increased risk markers of type 2 diabetes in younger adulthood. Diabetes Care 2013; 36:1870-6. [PMID: 23349549 PMCID: PMC3687320 DOI: 10.2337/dc12-2063] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
OBJECTIVE Carbohydrate nutrition during periods of physiological insulin resistance such as puberty may affect future risk of type 2 diabetes. This study examined whether the amount or the quality (dietary glycemic index [GI], glycemic load [GL], and added sugar, fiber, and whole-grain intake) of carbohydrates during puberty is associated with risk markers of type 2 diabetes in younger adulthood. RESEARCH DESIGN AND METHODS The analysis was based on 226 participants (121 girls and 105 boys) from the Dortmund Nutritional and Anthropometric Longitudinally Designed Study (DONALD) with an average of five 3-day weighed dietary records (range 2-6) during puberty (girls, age 9-14 years; boys, age 10-15 years) and fasting blood samples in younger adulthood (age 18-36 years) (average duration of follow-up 12.6 years). Multivariable linear regression was used to analyze the associations between carbohydrate nutrition and homeostasis model assessment-insulin resistance (HOMA-IR) as well as the liver enzymes alanine aminotransferase (ALT) and γ-glutamyltransferase (GGT) (n = 214). RESULTS A higher dietary GI was prospectively related to greater values of HOMA-IR (P(trend) = 0.03), ALT (P(trend) = 0.02), and GGT (P(trend) = 0.04). After adjustment for sex, adult age, baseline BMI, and early life and socioeconomic factors as well as protein and fiber intake, predicted mean HOMA-IR values in energy-adjusted tertiles of GI were 2.37 (95% CI 2.16-2.60), 2.47 (2.26-2.71), and 2.59 (2.35-2.85). The amount of carbohydrates, GL, and added sugar, fiber, and whole-grain intake were not related to the analyzed markers. CONCLUSIONS Our data indicate that a habitually higher dietary GI during puberty may adversely affect risk markers of type 2 diabetes in younger adulthood.
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Affiliation(s)
- Janina Goletzke
- IEL-Nutritional Epidemiology, University of Bonn, DONALD Study at the Research Institute of Child Nutrition, Dortmund, Germany.
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12
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Penaforte FR, Japur CC, Pigatto LP, Chiarello PG, Diez-Garcia RW. Short-term impact of sugar consumption on hunger and ad libitum food intake in young women. Nutr Res Pract 2013; 7:77-81. [PMID: 23610598 PMCID: PMC3627933 DOI: 10.4162/nrp.2013.7.2.77] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/13/2012] [Revised: 10/09/2012] [Accepted: 12/11/2012] [Indexed: 11/04/2022] Open
Abstract
The hypothesis of this study was that greater sugar consumption at breakfast promotes a stronger sensation of hunger and a later increase in energy consumption. The objective was to assess the relation between sugar consumption in a meal and the subsequent sensations of hunger and ad libitum food consumption. Sixteen women consumed a breakfast accompanied by 2 drinks sweetened ad libitum with sugar. After 3 h, a lunch was offered to evaluate ad libitum food consumption. During the period from breakfast to lunch, hunger sensations were evaluated at 30 min intervals. Women were divided according to the median amount of sugar used to sweeten the breakfast drinks (20 g). The group who consumed sugar above the median showed a greater hunger sensation in the preprandial period, and a greater ad libitum intake at lunch (390 ± 130 g × 256 ± 67 g, P = 0.002), compared to the group who had a lower sugar consumption. The amount of sugar consumed at breakfast was correlated positively with the sensation of preprandial hunger and food intake at lunch. We concluded that foods with a high glycemic index can modulate the appetite within a short period of time.
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Affiliation(s)
- Fernanda Ro Penaforte
- Laboratory of Eating Practices and Behavior (PratiCA), Course of Nutrition and Metabolism, University of São Paulo, Ribeirão Preto, SP, Brazil. ; Department of Nutrition, Federal University of Triângulo Mineiro, Uberaba, MG, Brazil
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14
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Abstract
Inadequate dietary fiber intake is common in modern diets, especially in children. Epidemiological and experimental evidence point to a significant association between a lack of fiber intake and ischemic heart disease, stroke atherosclerosis, type 2 diabetes, overweight and obesity, insulin resistance, hypertension, dyslipidemia, as well as gastrointestinal disorders such as diverticulosis, irritable bowel disease, colon cancer, and cholelithiasis. The physiological effects of fiber relate to the physical properties of volume, viscosity, and water-holding capacity that the fiber imparts to food leading to important influences over the energy density of food. Beyond these physical properties, fiber directly impacts a complex array of microbiological, biochemical, and neurohormonal effects directly through modification of the kinetics of digestion and through its metabolism into constituents such as short chain fatty acids, which are both energy substrates and important enteroendocrine ligands. Of particular interest to clinicians is the important role dietary fiber plays in glucoregulation, appetite, and satiety. Supplementation of the diet with highly functional fibers may prove to play an important role in long-term obesity management.
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Affiliation(s)
- Michael R. Lyon
- Canadian Center for Functional Medicine, 1550 United Boulevard, Coquitlam, BC Canada V3K 6Y2
- Food, Nutrition and Health Program, University of British Columbia, 1550 United Boulevard, Coquitlam, BC Canada V3K 6Y2
| | - Veronica Kacinik
- Canadian Center for Functional Medicine, 1550 United Boulevard, Coquitlam, BC Canada V3K 6Y2
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