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Roach LA, Woolfe W, Bastian B, Neale EP, Francois ME. Systematic literature review: should a bedtime snack be used to treat hyperglycemia in type 2 diabetes? Am J Clin Nutr 2022; 116:1251-1264. [PMID: 36083989 PMCID: PMC9630881 DOI: 10.1093/ajcn/nqac245] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2022] [Revised: 08/15/2022] [Accepted: 08/31/2022] [Indexed: 11/17/2022] Open
Abstract
BACKGROUND Consuming a bedtime snack is often recommended for people with type 2 diabetes. OBJECTIVE This systematic review aims to evaluate the evidence from intervention studies to determine whether consuming a bedtime snack improves fasting hyperglycemia and/or overall glycemic control in individuals with type 2 diabetes. Methods: PubMed, Medline (EBSCO), Cochrane Library and CINAHL Plus (EBSCO) databases were searched until July 20 2022. We included prospective studies in people with type 2 diabetes or prediabetes that included the intervention of a bedtime snack, consumed > 30 minutes after dinner and < 2 hours before bed and reported glycemic outcomes. RESULTS The systematic review included 16 studies. There was no consistent relationship between consumption of a bedtime snack and improved glycemic control, especially when a no snack control was included. Of the four studies that included the use of corn starch, a low dose seemed to have benefits over high dose corn starch in terms of improved nocturnal and fasting glucose levels. CONCLUSIONS Current advice to consume a bedtime snack is based on a limited number of intervention studies that often do not include a no snack control, nor have used a feasible bedtime snack option that could be translated into every day clinical practice. Further research is needed in type 2 diabetes patients treated with or without insulin.PROSPERO Registration Number: CRD42020182523.
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Affiliation(s)
| | - William Woolfe
- School of Medical, Indigenous and Health Sciences, Faculty of Science, Medicine and Health University of Wollongong, Wollongong, New South Wales, Australia
| | - Beenu Bastian
- School of Medical, Indigenous and Health Sciences, Faculty of Science, Medicine and Health University of Wollongong, Wollongong, New South Wales, Australia,Illawarra Shoalhaven Local Health District, Diabetes Service, Wollongong, New South Wales, Australia
| | - Elizabeth P Neale
- School of Medical, Indigenous and Health Sciences, Faculty of Science, Medicine and Health University of Wollongong, Wollongong, New South Wales, Australia,Illawarra Health and Medical Research Institute, Wollongong, New South Wales, Australia
| | - Monique E Francois
- School of Medical, Indigenous and Health Sciences, Faculty of Science, Medicine and Health University of Wollongong, Wollongong, New South Wales, Australia,Illawarra Health and Medical Research Institute, Wollongong, New South Wales, Australia
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Breyton AE, Goux A, Lambert-Porcheron S, Meynier A, Sothier M, VanDenBerghe L, Brack O, Disse E, Laville M, Vinoy S, Nazare JA. Starch digestibility modulation significantly improves glycemic variability in type 2 diabetic subjects: A pilot study. Nutr Metab Cardiovasc Dis 2021; 31:237-246. [PMID: 32988721 DOI: 10.1016/j.numecd.2020.08.010] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2020] [Revised: 07/31/2020] [Accepted: 08/10/2020] [Indexed: 10/23/2022]
Abstract
BACKGROUND AND AIMS In type 2 diabetes (T2D) patients, the reduction of glycemic variability and postprandial glucose excursions is essential to limit diabetes complications, beyond HbA1c level. This study aimed at determining whether increasing the content of Slowly Digestible Starch (SDS) in T2D patients' diet could reduce postprandial hyperglycemia and glycemic variability compared with a conventional low-SDS diet. METHODS AND RESULTS For this randomized cross-over pilot study, 8 subjects with T2D consumed a controlled diet for one week, containing starchy products high or low in SDS. Glycemic variability parameters were evaluated using a Continuous Glucose Monitoring System. Glycemic variability was significantly lower during High-SDS diet compared to Low-SDS diet for MAGE (Mean Amplitude of Glycemic Excursions, p < 0.01), SD (Standard Deviation, p < 0.05), and CV (Coefficient of Variation, p < 0.01). The TIR (Time In Range) [140-180 mg/dL[ was significantly higher during High-SDS diet (p < 0.0001) whereas TIRs ≥180 mg/dL were significantly lower during High-SDS diet. Post-meals tAUC (total Area Under the Curve) were significantly lower during High-SDS diet. CONCLUSION One week of High-SDS Diet in T2D patients significantly improves glycemic variability and reduces postprandial glycemic excursions. Modulation of starch digestibility in the diet could be used as a simple nutritional tool in T2D patients to improve daily glycemic control. REGISTRATION NUMBER: in clinicaltrials.gov: NCT03289494.
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Affiliation(s)
- Anne-Esther Breyton
- Centre de Recherche en Nutrition Humaine Rhône-Alpes, Univ-Lyon, CarMeN Laboratory, INSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1, Hospices Civils de Lyon, F-CRIN/FORCE Network, 69310, Pierre Bénite, France; Nutrition Research, Mondelez International, 91400, Saclay, France
| | - Aurélie Goux
- Nutrition Research, Mondelez International, 91400, Saclay, France
| | - Stéphanie Lambert-Porcheron
- Centre de Recherche en Nutrition Humaine Rhône-Alpes, Univ-Lyon, CarMeN Laboratory, INSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1, Hospices Civils de Lyon, F-CRIN/FORCE Network, 69310, Pierre Bénite, France; Department of Endocrinology Diabetes and Nutrition, Centre Hospitalier Lyon Sud, Hospices Civils de Lyon, 69310, Pierre Bénite, France
| | | | - Monique Sothier
- Centre de Recherche en Nutrition Humaine Rhône-Alpes, Univ-Lyon, CarMeN Laboratory, INSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1, Hospices Civils de Lyon, F-CRIN/FORCE Network, 69310, Pierre Bénite, France
| | - Laurie VanDenBerghe
- Centre de Recherche en Nutrition Humaine Rhône-Alpes, Univ-Lyon, CarMeN Laboratory, INSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1, Hospices Civils de Lyon, F-CRIN/FORCE Network, 69310, Pierre Bénite, France
| | - Olivier Brack
- Société K.S.I.C. (Statistique Industrielle-Khi2 Consulting), 60110, Esches, France
| | - Emmanuel Disse
- Centre de Recherche en Nutrition Humaine Rhône-Alpes, Univ-Lyon, CarMeN Laboratory, INSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1, Hospices Civils de Lyon, F-CRIN/FORCE Network, 69310, Pierre Bénite, France; Department of Endocrinology Diabetes and Nutrition, Centre Hospitalier Lyon Sud, Hospices Civils de Lyon, 69310, Pierre Bénite, France
| | - Martine Laville
- Centre de Recherche en Nutrition Humaine Rhône-Alpes, Univ-Lyon, CarMeN Laboratory, INSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1, Hospices Civils de Lyon, F-CRIN/FORCE Network, 69310, Pierre Bénite, France; Department of Endocrinology Diabetes and Nutrition, Centre Hospitalier Lyon Sud, Hospices Civils de Lyon, 69310, Pierre Bénite, France
| | - Sophie Vinoy
- Nutrition Research, Mondelez International, 91400, Saclay, France
| | - Julie-Anne Nazare
- Centre de Recherche en Nutrition Humaine Rhône-Alpes, Univ-Lyon, CarMeN Laboratory, INSERM, INRA, INSA Lyon, Université Claude Bernard Lyon 1, Hospices Civils de Lyon, F-CRIN/FORCE Network, 69310, Pierre Bénite, France.
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Goux A, Breyton AE, Meynier A, Lambert-Porcheron S, Sothier M, Van Den Berghe L, Brack O, Normand S, Disse E, Laville M, Nazare JA, Vinoy S. Design and Validation of a Diet Rich in Slowly Digestible Starch for Type 2 Diabetic Patients for Significant Improvement in Glycemic Profile. Nutrients 2020; 12:nu12082404. [PMID: 32796734 PMCID: PMC7468810 DOI: 10.3390/nu12082404] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/17/2020] [Revised: 08/03/2020] [Accepted: 08/04/2020] [Indexed: 11/16/2022] Open
Abstract
This study aimed at designing a-diet high in slowly digestible starch (SDS) by carefully selecting high-SDS starchy products and to validate its implementation, acceptance, and impact on the postprandial glycemic response in patients with type 2 diabetes (T2D). Starchy products were screened and classified as being either high (high-SDS) or low (low-SDS) in SDS (in vitro SDS method). A randomized controlled cross-over pilot study was performed: Eight patients with T2D consumed randomly a high-SDS or a low-SDS diet for one week each, while their glycemic profile was monitored for 6 days. Based on 250 food product SDS analyses and dietary recommendations for patients with T2D, the high-SDS and low-SDS diets were designed. The high-SDS diet significantly increased SDS intake and the SDS/carbohydrates proportion compared to the low-SDS diet (61.6 vs. 11.6 g/day and 30% vs. 6%; p < 0.0001, respectively). Increasing the SDS/carbohydrate proportion to 50% of the meal was significantly correlated with a 12% decrease in tAUC0-120 min and a 14% decrease in the glycemic peak value (p < 0.001 for both). A high-SDS diet can be easily designed by carefully selecting commercial starchy products and providing relevant recommendations for T2D to improve their glycemic profile.
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Affiliation(s)
- Aurélie Goux
- Nutrition Research, Mondelēz International, 91400 Saclay, France; (A.G.); (A.-E.B.); (A.M.)
| | - Anne-Esther Breyton
- Nutrition Research, Mondelēz International, 91400 Saclay, France; (A.G.); (A.-E.B.); (A.M.)
- Centre de Recherche en Nutrition Humaine Rhône-Alpes, Univ-Lyon, CarMeN Laboratory, Université Claude Bernard Lyon1, Hospices Civils de Lyon, F-CRIN/FORCE Network, 69100 Pierre Bénite, France; (S.L.-P.); (M.S.); (L.V.D.B.); (S.N.); (E.D.); (M.L.); (J.-A.N.)
| | - Alexandra Meynier
- Nutrition Research, Mondelēz International, 91400 Saclay, France; (A.G.); (A.-E.B.); (A.M.)
| | - Stéphanie Lambert-Porcheron
- Centre de Recherche en Nutrition Humaine Rhône-Alpes, Univ-Lyon, CarMeN Laboratory, Université Claude Bernard Lyon1, Hospices Civils de Lyon, F-CRIN/FORCE Network, 69100 Pierre Bénite, France; (S.L.-P.); (M.S.); (L.V.D.B.); (S.N.); (E.D.); (M.L.); (J.-A.N.)
- Service Endocrinologie-Diabète-Nutrition, Hospices Civils de Lyon, 69002 Pierre-Bénite, France
| | - Monique Sothier
- Centre de Recherche en Nutrition Humaine Rhône-Alpes, Univ-Lyon, CarMeN Laboratory, Université Claude Bernard Lyon1, Hospices Civils de Lyon, F-CRIN/FORCE Network, 69100 Pierre Bénite, France; (S.L.-P.); (M.S.); (L.V.D.B.); (S.N.); (E.D.); (M.L.); (J.-A.N.)
| | - Laurie Van Den Berghe
- Centre de Recherche en Nutrition Humaine Rhône-Alpes, Univ-Lyon, CarMeN Laboratory, Université Claude Bernard Lyon1, Hospices Civils de Lyon, F-CRIN/FORCE Network, 69100 Pierre Bénite, France; (S.L.-P.); (M.S.); (L.V.D.B.); (S.N.); (E.D.); (M.L.); (J.-A.N.)
| | - Olivier Brack
- Statistique Industrielle KHI2 Consulting (KSIC), 60110 Esches, France;
| | - Sylvie Normand
- Centre de Recherche en Nutrition Humaine Rhône-Alpes, Univ-Lyon, CarMeN Laboratory, Université Claude Bernard Lyon1, Hospices Civils de Lyon, F-CRIN/FORCE Network, 69100 Pierre Bénite, France; (S.L.-P.); (M.S.); (L.V.D.B.); (S.N.); (E.D.); (M.L.); (J.-A.N.)
| | - Emmanuel Disse
- Centre de Recherche en Nutrition Humaine Rhône-Alpes, Univ-Lyon, CarMeN Laboratory, Université Claude Bernard Lyon1, Hospices Civils de Lyon, F-CRIN/FORCE Network, 69100 Pierre Bénite, France; (S.L.-P.); (M.S.); (L.V.D.B.); (S.N.); (E.D.); (M.L.); (J.-A.N.)
- Service Endocrinologie-Diabète-Nutrition, Hospices Civils de Lyon, 69002 Pierre-Bénite, France
| | - Martine Laville
- Centre de Recherche en Nutrition Humaine Rhône-Alpes, Univ-Lyon, CarMeN Laboratory, Université Claude Bernard Lyon1, Hospices Civils de Lyon, F-CRIN/FORCE Network, 69100 Pierre Bénite, France; (S.L.-P.); (M.S.); (L.V.D.B.); (S.N.); (E.D.); (M.L.); (J.-A.N.)
- Service Endocrinologie-Diabète-Nutrition, Hospices Civils de Lyon, 69002 Pierre-Bénite, France
| | - Julie-Anne Nazare
- Centre de Recherche en Nutrition Humaine Rhône-Alpes, Univ-Lyon, CarMeN Laboratory, Université Claude Bernard Lyon1, Hospices Civils de Lyon, F-CRIN/FORCE Network, 69100 Pierre Bénite, France; (S.L.-P.); (M.S.); (L.V.D.B.); (S.N.); (E.D.); (M.L.); (J.-A.N.)
| | - Sophie Vinoy
- Nutrition Research, Mondelēz International, 91400 Saclay, France; (A.G.); (A.-E.B.); (A.M.)
- Correspondence:
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Wang H, Qiu B, Xu T, Zong A, Liu L, Xiao J. Effects of resistant starch on the indicators of glucose regulation in persons diagnosed with type 2 diabetes and those at risk: A meta‐analysis. J FOOD PROCESS PRES 2020. [DOI: 10.1111/jfpp.14594] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022]
Affiliation(s)
- Haiou Wang
- College of Food Science and Engineering Qingdao Agricultural University Qingdao China
- Institute of Agro‐Food Science and Technology, Shandong Academy of Agricultural Sciences/Shandong Engineering Research Center of Food for Special Medical Purpose/Key Laboratory of Agro‐Products Processing Technology of Shandong Province/Key Laboratory of Novel Food Resources Processing Ministry of Agriculture and Rural Affairs Jinan China
| | - Bin Qiu
- Institute of Agro‐Food Science and Technology, Shandong Academy of Agricultural Sciences/Shandong Engineering Research Center of Food for Special Medical Purpose/Key Laboratory of Agro‐Products Processing Technology of Shandong Province/Key Laboratory of Novel Food Resources Processing Ministry of Agriculture and Rural Affairs Jinan China
| | - Tongcheng Xu
- Institute of Agro‐Food Science and Technology, Shandong Academy of Agricultural Sciences/Shandong Engineering Research Center of Food for Special Medical Purpose/Key Laboratory of Agro‐Products Processing Technology of Shandong Province/Key Laboratory of Novel Food Resources Processing Ministry of Agriculture and Rural Affairs Jinan China
| | - Aizhen Zong
- Institute of Agro‐Food Science and Technology, Shandong Academy of Agricultural Sciences/Shandong Engineering Research Center of Food for Special Medical Purpose/Key Laboratory of Agro‐Products Processing Technology of Shandong Province/Key Laboratory of Novel Food Resources Processing Ministry of Agriculture and Rural Affairs Jinan China
| | - Lina Liu
- Institute of Agro‐Food Science and Technology, Shandong Academy of Agricultural Sciences/Shandong Engineering Research Center of Food for Special Medical Purpose/Key Laboratory of Agro‐Products Processing Technology of Shandong Province/Key Laboratory of Novel Food Resources Processing Ministry of Agriculture and Rural Affairs Jinan China
| | - Junxia Xiao
- College of Food Science and Engineering Qingdao Agricultural University Qingdao China
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Abbie E, Francois ME, Chang CR, Barry JC, Little JP. A low-carbohydrate protein-rich bedtime snack to control fasting and nocturnal glucose in type 2 diabetes: A randomized trial. Clin Nutr 2020; 39:3601-3606. [PMID: 32204977 DOI: 10.1016/j.clnu.2020.03.008] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2019] [Revised: 02/07/2020] [Accepted: 03/06/2020] [Indexed: 11/18/2022]
Abstract
In type 2 diabetes, liver insulin resistance and excess hepatic glucose production results in elevated fasting glucose. A bedtime snack has been recommended to improve fasting glucose, yet there is little evidence supporting this recommendation. Moreover, the optimal composition of a bedtime snack is unknown. PURPOSE To determine whether a low-carbohydrate protein-rich bedtime snack (Egg) could reduce fasting plasma glucose levels in people with type 2 diabetes when compared to a high-carbohydrate protein-rich bedtime snack (Yogurt) or a No Bedtime Snack condition. Secondary outcomes included glucose control assessed by continuous glucose monitoring (CGM) and fasting insulin sensitivity markers. METHODS Using a randomized crossover design, participants with type 2 diabetes (N = 15) completed three separate isocaloric conditions: i) Egg, ii) Yogurt, and iii) No Bedtime Snack, each lasting three days. CGM was collected throughout and duplicate fasting blood samples were obtained on the morning of day 4 in each condition. RESULTS Fasting plasma glucose (P = 0.04, d = 0.68), insulin (P = 0.04, d = 0.45), and nocturnal glucose (P = 0.02, d = 0.94) were significantly lower, and quantitative insulin sensitivity check index (QUICKI; P = 0.003) was improved, in the Egg compared to the Yogurt bedtime snack. There were no significant differences between either bedtime snack and No Bedtime Snack. CONCLUSION In the short-term, a low-carbohydrate bedtime snack (Egg) lowered fasting glucose and improved markers of insulin sensitivity when compared to a high-carbohydrate protein-matched bedtime snack (Yogurt). However, consuming a low- or high-carbohydrate bedtime snack did not appear to lower fasting glucose compared to consuming an isocaloric diet with no bedtime snack. CLINICAL TRIAL REGISTRY: clinicaltrials.gov (NCT03207269).
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Affiliation(s)
- Erica Abbie
- School of Health and Exercise Sciences, University of British Columbia Okanagan, Canada
| | - Monique E Francois
- Faculty of Science, Medicine and Health, University of Wollongong, Wollongong, NSW, Australia; Illawarra Health and Medical Research Institute, University of Wollongong, Wollongong, NSW, Australia
| | - Courtney R Chang
- School of Health and Exercise Sciences, University of British Columbia Okanagan, Canada
| | - Julianne C Barry
- School of Health and Exercise Sciences, University of British Columbia Okanagan, Canada
| | - Jonathan P Little
- School of Health and Exercise Sciences, University of British Columbia Okanagan, Canada.
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Dardano A, Daniele G, Lupi R, Napoli N, Campani D, Boggi U, Del Prato S, Miccoli R. Nesidioblastosis and Insulinoma: A Rare Coexistence and a Therapeutic Challenge. Front Endocrinol (Lausanne) 2020; 11:10. [PMID: 32047477 PMCID: PMC6996476 DOI: 10.3389/fendo.2020.00010] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/02/2019] [Accepted: 01/07/2020] [Indexed: 01/04/2023] Open
Abstract
Background: Nesidioblastosis and insulinoma are disorders of the endocrine pancreas causing endogenous hyperinsulinemic hypoglycemia. Their coexistence is very unusual and treatment represents a still unresolved dilemma. Case Description: The patient was a 43-year-old Caucasian woman, with a 2-year history of repeated severe hypoglycemic events. The diagnostic work-up was strongly suggestive of insulinoma and the patient was submitted to surgical treatment carried out laparoscopically under robotic assistance. However, surgical exploration and intraoperative ultrasonography failed to detect a pancreatic tumor. Resection was therefore carried out based on the results of selective intra-arterial calcium stimulation test, following a step-up approach, eventually leading to a pancreatoduodenectomy at the splenic artery. The histopathology examination and the immunohistochemical staining were consistent with adult-onset nesidioblastosis. After surgery, the patient continued to experience hypoglycemia with futile response to medical treatments (octreotide, calcium antagonists, diazoxide, and prednisone). Following multidisciplinary evaluation and critical review of a repeat abdominal computed tomography scan, a small nodular lesion was identified in the tail of the pancreas. The nodule was enucleated laparoscopically and the pathological examination revealed an insulinoma. In spite of the insulinoma resection, glycemic values were only partially restored, with residual nocturnal hypoglycemia. Administration of uncooked cornstarch (1.25 g/kg body weight) at bedtime was associated with significant improvement of interstitial glucose levels (p < 0.0001) and reduction of nocturnal hypoglycemia episodes (p = 0.0002). Conclusions: This report describes a rare coexistence of adult-onset nesidioblastosis and insulinoma, suggesting the existence of a wide and continuous spectrum of proliferative β-cell changes. Moreover, we propose that uncooked cornstarch may offer an additional approach to alleviate the hypoglycemic episodes when surgery is impracticable/unaccepted.
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Affiliation(s)
- Angela Dardano
- Section of Diabetes and Metabolic Disease, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
- *Correspondence: Angela Dardano
| | - Giuseppe Daniele
- Section of Diabetes and Metabolic Disease, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Roberto Lupi
- Section of Diabetes and Metabolic Disease, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Niccolò Napoli
- Division of General and Transplant Surgery, University of Pisa, Pisa, Italy
| | | | - Ugo Boggi
- Division of General and Transplant Surgery, University of Pisa, Pisa, Italy
| | - Stefano Del Prato
- Section of Diabetes and Metabolic Disease, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
| | - Roberto Miccoli
- Section of Diabetes and Metabolic Disease, Department of Clinical and Experimental Medicine, University of Pisa, Pisa, Italy
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Commentaries on Viewpoint: A time for exercise: the exercise window. J Appl Physiol (1985) 2017; 122:210-213. [DOI: 10.1152/japplphysiol.00938.2016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2016] [Accepted: 10/25/2016] [Indexed: 11/22/2022] Open
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Magkos F, Smith GI, Reeds DN, Okunade A, Patterson BW, Mittendorfer B. One day of overfeeding impairs nocturnal glucose but not fatty acid homeostasis in overweight men. Obesity (Silver Spring) 2014; 22:435-40. [PMID: 23836730 PMCID: PMC3849339 DOI: 10.1002/oby.20562] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/02/2013] [Revised: 06/09/2013] [Accepted: 06/26/2013] [Indexed: 12/28/2022]
Abstract
OBJECTIVE Overfeeding is associated with insulin resistance. Studies on animals suggest this is likely due to disruption of fatty acid metabolism and increased plasma free fatty acid (FFA) availability during the night. We tested the hypothesis that overfeeding induces insulin resistance and increases nocturnal but not daytime plasma FFA availability in human subjects. DESIGN AND METHODS We measured plasma glucose, insulin, and FFA concentrations hourly for 24 h during a day of isocaloric feeding and a day of hypercaloric feeding (30% calorie excess) in 8 overweight and obese, nondiabetic men (age: 38±3 years; body mass index: 34±2 kg/m²). RESULTS Overfeeding had no effect on daytime plasma glucose, insulin, and FFA concentrations compared to isocaloric feeding, but increased nocturnal glucose (P = 0.007) and insulin (P = 0.003) concentrations and decreased nocturnal FFA concentration (P = 0.006). The homeostasis model assessment of insulin resistance score was ∼30% greater the morning after hypercaloric than isocaloric feeding (P = 0.040). CONCLUSIONS One day of overfeeding has no effect on daytime plasma glucose and FFA concentrations but increases nocturnal plasma glucose and insulin concentrations, whereas nocturnal plasma FFA availability is reduced. The acute overfeeding-induced development of insulin resistant glucose metabolism therefore does not appear to be directly mediated by plasma FFA availability.
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Affiliation(s)
- Faidon Magkos
- Division of Geriatrics and Nutritional Science, Center for Human Nutrition, Washington University School of Medicine, St. Louis, Missouri, USA
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Gibbs M, Harrington D, Starkey S, Williams P, Hampton S. Diurnal postprandial responses to low and high glycaemic index mixed meals. Clin Nutr 2013; 33:889-94. [PMID: 24135087 DOI: 10.1016/j.clnu.2013.09.018] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2012] [Revised: 08/22/2013] [Accepted: 09/30/2013] [Indexed: 01/19/2023]
Abstract
BACKGROUND & AIMS Glycaemic index testing is conducted in the morning, however postprandial glycaemia has a diurnal rhythm. The study aimed to evaluate the effect of glycaemic index on glucose tolerance at different times during the day. METHODS A randomised controlled crossover study was conducted in ten healthy participants after a standardised premeal and eight hour fast. Low (37) and high glycaemic index (73) meals, matched for energy, available carbohydrate, protein and fat, were consumed at 08:00 h and 20:00 h. Blood samples were taken for 2 h postprandially. RESULTS Postprandial glucose area under curve showed effect with time of day after both meals (Low p < 0.001, High p = 0.003), and a trend (p = 0.06) to higher glycaemic responses in the evening for low glycaemic index meal. No differences were observed in insulin responses. Despite the calculated difference in meal glycaemic index little difference was observed in morning responses, but differences were seen in the evening when insulin insensitivity is increasing, the glycaemic response increase was proportionally greater for low glycaemic index meals. CONCLUSIONS Low glycaemic index foods are of less value in glycaemic control in the evening than the morning. Consuming food late in the day has a detrimental metabolic impact irrespective of glycaemic index.
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Affiliation(s)
- Michelle Gibbs
- Department of Nutrition and Metabolism, School of Biosciences and Medicine, Faculty of Health and Medical Sciences, University of Surrey, Guildford GU2 7XH, Surrey, UK.
| | - Dawn Harrington
- Department of Nutrition and Metabolism, School of Biosciences and Medicine, Faculty of Health and Medical Sciences, University of Surrey, Guildford GU2 7XH, Surrey, UK
| | - Susan Starkey
- Department of Nutrition and Metabolism, School of Biosciences and Medicine, Faculty of Health and Medical Sciences, University of Surrey, Guildford GU2 7XH, Surrey, UK; Department of Biochemistry and Physiology, School of Biosciences and Medicine, Faculty of Health and Medical Sciences, University of Surrey, Guildford GU2 7XH, Surrey, UK
| | - Peter Williams
- Department of Mathematics, Faculty of Engineering and Physical Sciences, University of Surrey, Guildford GU2 7XH, Surrey, UK
| | - Shelagh Hampton
- Department of Biochemistry and Physiology, School of Biosciences and Medicine, Faculty of Health and Medical Sciences, University of Surrey, Guildford GU2 7XH, Surrey, UK
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Hätönen KA, Similä ME, Virtamo JR, Eriksson JG, Hannila ML, Sinkko HK, Sundvall JE, Mykkänen HM, Valsta LM. Methodologic considerations in the measurement of glycemic index: glycemic response to rye bread, oatmeal porridge, and mashed potato. Am J Clin Nutr 2006; 84:1055-61. [PMID: 17093157 DOI: 10.1093/ajcn/84.5.1055] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
BACKGROUND Methodologic choices affect measures of the glycemic index (GI). The effects on GI values of blood sampling site, reference food type, and the number of repeat tests have been insufficiently determined. OBJECTIVE The objective was to study the effect of methodologic choices on GI values. Comparisons were made between venous and capillary blood sampling and between glucose and white bread as the reference food. The number of tests needed for the reference food was assessed. Rye bread, oatmeal porridge, and instant mashed potato were used as the test foods. DESIGN Twelve healthy volunteers were served each test food once and both reference foods 3 times at 1-wk intervals in a random order after they had fasted overnight. Capillary and venous blood samples were drawn at intervals for 3 h after each study meal. RESULTS GIs and their CVs based on capillary samples were lower than those based on venous samples. Two tests of glucose solution as the reference provided stable capillary GIs for the test foods. The capillary GIs did not differ significantly when white bread was used as the reference 1, 2, or 3 times, but the variation was lower when tests were performed 2 and 3 times. Capillary GIs with white bread as the reference were 1.3 times as high as those with glucose as the reference. The capillary GIs of rye bread, oatmeal porridge, and mashed potato were 77, 74, and 80, respectively, with glucose as the reference. CONCLUSIONS Capillary blood sampling should be used in the measurement of GI, and reference tests with glucose or white bread should be performed at least twice.
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Affiliation(s)
- Katja A Hätönen
- Department of Health Promotion and Chronic Disease Prevention and of Health and Functional Capacity, the National Public Health Institute, Helsinki, Finland
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Reader DM, O'Connell BS, Johnson ML, Franz M. Glycemic and insulinemic response of subjects with type 2 diabetes after consumption of three energy bars. JOURNAL OF THE AMERICAN DIETETIC ASSOCIATION 2002; 102:1139-42. [PMID: 12171462 DOI: 10.1016/s0002-8223(02)90253-1] [Citation(s) in RCA: 12] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/18/2022]
Affiliation(s)
- Diane M Reader
- International Diabetes Center, Minneapolis, Minn 55416, USA
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12
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Robertson MD, Henderson RA, Vist GE, Rumsey RDE. Extended effects of evening meal carbohydrate-to-fat ratio on fasting and postprandial substrate metabolism. Am J Clin Nutr 2002; 75:505-10. [PMID: 11864856 DOI: 10.1093/ajcn/75.3.505] [Citation(s) in RCA: 78] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/15/2022] Open
Abstract
BACKGROUND High-fat and high-carbohydrate diets lead to insulin resistance, gastrointestinal adaptation, and high plasma triacylglycerol concentrations. It is unclear, however, how rapidly these changes occur. OBJECTIVE We sought to determine the effects of both high-fat and high-carbohydrate evening meals on parameters of insulin resistance, hypertriglyceridemia, and gastrointestinal hormones. DESIGN Twelve healthy men were studied on 4 separate occasions. On 2 occasions, the subjects received a high-fat evening meal (62% of energy from fat) and on the other 2 occasions the subjects received a low-fat evening meal (16% of energy from fat). The morning after each meal the subjects were administered either an oral-fat-tolerance test or an oral-glucose-tolerance test. Plasma samples were analyzed for glucose, insulin, fatty acids, 3-hydroxybutyrate, triacylglycerol, pancreatic polypeptide, peptide YY, and cholecystokinin. Postchallenge data were analyzed by two-way analysis of variance with interaction and fasting concentrations analyzed by repeated-measures analysis of variance. RESULTS Fasting plasma concentrations of triacylglycerol were significantly elevated 12 h after each evening meal, but fatty acid and 3-hydroxybutyrate concentrations were reduced. No effects on glucose or insulin concentrations were detected. The high-fat evening meals elevated plasma cholecystokinin concentrations, reduced fasting concentrations of pancreatic polypeptide, and had no significant effect on peptide YY concentrations. The ratio of fat to carbohydrate in the evening meal produced significant effects on plasma triacylglycerol and fatty acids during both the oral-fat-tolerance and oral-glucose-tolerance tests. CONCLUSIONS The present study showed that the effects of high-fat and high-carbohydrate evening meals persist at least overnight and suggests that knowledge of recent dietary history is essential to the effective design of metabolic studies.
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Affiliation(s)
- M Denise Robertson
- Oxford Centre for Diabetes, Endocrinlogy, and Metabolism, the Nuffield Department of Clinical Medicine, the University of Oxford, Oxford, United Kingdom
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Franz MJ, Bantle JP, Beebe CA, Brunzell JD, Chiasson JL, Garg A, Holzmeister LA, Hoogwerf B, Mayer-Davis E, Mooradian AD, Purnell JQ, Wheeler M. Evidence-based nutrition principles and recommendations for the treatment and prevention of diabetes and related complications. Diabetes Care 2002; 25:148-98. [PMID: 11772915 DOI: 10.2337/diacare.25.1.148] [Citation(s) in RCA: 375] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Affiliation(s)
- Marion J Franz
- Nutrition Concepts by Franz, Inc., Minneapolis, Minnesota 55439, USA.
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