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Khajeh M, Hassanizadeh S, Pourteymour Fard Tabrizi F, Hassanizadeh R, Vajdi M, Askari G. Effect of Zinc Supplementation on Lipid Profile and Body Composition in Patients with Type 2 Diabetes Mellitus: A GRADE-Assessed Systematic Review and Dose-Response Meta-analysis. Biol Trace Elem Res 2024:10.1007/s12011-024-04059-x. [PMID: 38224402 DOI: 10.1007/s12011-024-04059-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/09/2023] [Accepted: 01/02/2024] [Indexed: 01/16/2024]
Abstract
The aim of this systematic review and meta-analysis of randomized controlled trials (RCTs) is to investigate the overall effects of zinc supplementation on lipid profile and body composition such as body weight (BW), body mass index (BMI), triglycerides (TG), total cholesterol (TC), low-density lipoprotein-cholesterol (LDL-C), and high-density lipoprotein-cholesterol (HDL-C) in patients with type 2 diabetes mellitus (T2DM). Scopus, Web of Science, PubMed, and Embase databases were searched from inception through October, 2023. The I2 and Cochran's Q tests were used to assess heterogeneity between studies. Nineteen RCTs (n = 1357 participants) were included in the meta-analysis. Zinc supplementation significantly reduced TG (WMD = - 17.41 mg/dL; 95% CI: - 22.60, - 12.22; P < 0.001), TC (WMD: - 19.60 mg/dL; 95% CI: - 28.46, - 10.73, P < 0.001), LDL-C (WMD = - 8.80 mg/dL; 95% CI: - 14.80, - 2.81; P = 0.004), and BMI (WMD = - 0.53 kg/m2; 95% CI: - 1.05, - 0.01; P = 0.046) but not BW (WMD: - 0.51 kg, 95 % CI: - 1.99, 0.97, P = 0.498). Moreover, zinc supplementation increased HDL-C (WMD = 4.82 mg/dL; 95% CI: 0.88, 8.76; P = 0.016) in patients with T2DM. Our results propose that zinc supplementation may be an effective strategy for improving lipid profile and body composition in patients with T2DM.
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Affiliation(s)
- Mahsa Khajeh
- Student Research Committee, Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Shirin Hassanizadeh
- Student Research Committee, Department of Community Nutrition, School of Nutrition and Food Science, Isfahan University of Medical Sciences, Isfahan, Iran
| | | | - Reza Hassanizadeh
- Department of Sports Physiology, Faculty of Sports Sciences, Isfahan (Khorasgan) Branch, Islamic Azad University, Isfahan, Iran
| | - Mahdi Vajdi
- Student Research Committee, Isfahan University of Medical Sciences, Isfahan, Iran.
| | - Gholamreza Askari
- Department of Community Nutrition, School of Nutrition and Food Science, Nutrition and Food Security Research Center, Isfahan University of Medical Sciences, Isfahan, Iran
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Wan CS, Rawat P, Gulyani P, Elmi Y, Ng AH. Dietary management of type 2 diabetes mellitus among South Asian immigrants: A mixed-methods study. Nutr Diet 2023; 80:413-424. [PMID: 37271927 DOI: 10.1111/1747-0080.12820] [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: 12/14/2022] [Revised: 05/04/2023] [Accepted: 05/09/2023] [Indexed: 06/06/2023]
Abstract
AIMS There is a high prevalence of South Asian immigrants in Australia living with type 2 diabetes mellitus, with the dietary management of the condition presenting as a key challenge. However, their current dietary patterns and barriers to diabetes self-management are unclear. Therefore, this study aims to (i) investigate current dietary patterns and (ii) explore barriers and facilitators to dietary management in this population. METHODS A concurrent mixed-methods study comprising three 24-h dietary recalls and a semi-structured interview for each self-identified South Asian immigrant adult with diabetes recruited across Victorian primary care clinics and social media to address the aforementioned two aims. Dietary recall data were converted into food groups using Foodworks, and data analysed in SPSS. Qualitative data were thematically analysed using NVivo. RESULTS Among 18 participants recruited, 14, 16 and 17 participants had grain, fruit and dairy intake lower than daily Australian recommendations, respectively. These findings echoed qualitative data that participants viewed diabetes management as reducing carbohydrate intake. Participants reported difficulties incorporating diabetes-related dietary and lifestyle recommendations into their routine and a lack of knowledge about available organisational support. They mentioned challenges in receiving social support from families and friends and relied on support from health professionals. Facilitators included proficiency in nutrition information label reading and self-blood glucose monitoring skills. CONCLUSION Enhancing the accessibility to organisational support, facilitating the adaption of dietary recommendations into individuals' routines, and strengthening support from health professionals are essential components in intervention development to improve diabetes management for South Asians.
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Affiliation(s)
- Ching Shan Wan
- School of Nursing, Midwifery and Paramedicine, Australian Catholic University, Victoria, Australia
- Nursing Research Institute, St Vincent's Health Network Sydney, St Vincent's Hospital Melbourne & Australian Catholic University, Victoria, Australia
- Menzies Health Institute Queensland, Griffith University, Gold Coast, Australia
| | | | - Purva Gulyani
- Diet Yumm, Craigieburn, Victoria, Australia
- Department of Sport, Exercise and Nutrition Sciences, La Trobe University, Melbourne, Victoria, Australia
| | - Yusra Elmi
- Diet Yumm, Craigieburn, Victoria, Australia
| | - Ashley H Ng
- Department of Sport, Exercise and Nutrition Sciences, La Trobe University, Melbourne, Victoria, Australia
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Esfandiar Z, Hosseini-Esfahani F, Mirmiran P, Azizi F. The association of dietary macronutrients composition with the incidence of type 2 diabetes, using iso-energetic substitution models: Tehran Lipid and Glucose Study. Prim Care Diabetes 2021; 15:1080-1085. [PMID: 34635458 DOI: 10.1016/j.pcd.2021.09.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/29/2021] [Revised: 08/31/2021] [Accepted: 09/09/2021] [Indexed: 11/25/2022]
Abstract
AIMS There is still controversy on optimal percentage of macronutrient intakes especially carbohydrate on prevention of type 2 diabetes (T2D). The aim of the current study was to evaluate the iso-energetic substitution of dietary macronutrients in relation to incidence of T2D. METHODS This prospective study was conducted on 6547 subjects who were followed for 3.0 ± 1.6 years. Dietary intakes were evaluated using a valid and reliable semi-quantitative food frequency questionnaire. Biochemical variables and anthropometrics were evaluated at baseline and follow-up examinations. Multivariate Cox proportional hazard regression models were used to estimate the hazards ratio (HR) of T2D. RESULTS A one unit higher proportion of carbohydrate from whole grain at the expense of carbohydrate from non-whole grain (HR = 0.82, 95% CI = 0.71-0.95), protein (HR = 0.75, 95% CI = 0.60-0.94), total fat (HR = 0.79, 95% CI = 0.67-0.93), saturated fatty acid (HR = 0.79, 95% CI = 0.65-0.96), poly-unsaturated fatty acid (HR = 0.81, 95% CI = 0.68-0.96) and mono-unsaturated fatty acid (HR = 0.75, 95% CI = 0.60-0.94) was associated with decreased risk of T2D. The substitution of protein and fats was not associated with diabetes. Risk of T2D increased from quartiles 1-4 for trans-fatty acid (HR: 1.00, 1.27, 0.95, 1.97, Ptrend = 0.01). CONCLUSIONS A higher proportion of carbohydrate from whole grain in replacement of refined grain, and other macronutrients was associated with decreased risk of T2D. Also our study suggests a positive association between trans-fatty acid intake and risk of T2D.
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Affiliation(s)
- Zohreh Esfandiar
- Nutrition and Endocrine Research Center, Research Institute for Endocrine Sciences, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Firoozeh Hosseini-Esfahani
- 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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Bocanegra A, Macho-González A, Garcimartín A, Benedí J, Sánchez-Muniz FJ. Whole Alga, Algal Extracts, and Compounds as Ingredients of Functional Foods: Composition and Action Mechanism Relationships in the Prevention and Treatment of Type-2 Diabetes Mellitus. Int J Mol Sci 2021; 22:3816. [PMID: 33917044 PMCID: PMC8067684 DOI: 10.3390/ijms22083816] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 04/02/2021] [Accepted: 04/03/2021] [Indexed: 12/12/2022] Open
Abstract
Type-2 diabetes mellitus (T2DM) is a major systemic disease which involves impaired pancreatic function and currently affects half a billion people worldwide. Diet is considered the cornerstone to reduce incidence and prevalence of this disease. Algae contains fiber, polyphenols, ω-3 PUFAs, and bioactive molecules with potential antidiabetic activity. This review delves into the applications of algae and their components in T2DM, as well as to ascertain the mechanism involved (e.g., glucose absorption, lipids metabolism, antioxidant properties, etc.). PubMed, and Google Scholar databases were used. Papers in which whole alga, algal extracts, or their isolated compounds were studied in in vitro conditions, T2DM experimental models, and humans were selected and discussed. This review also focuses on meat matrices or protein concentrate-based products in which different types of alga were included, aimed to modulate carbohydrate digestion and absorption, blood glucose, gastrointestinal neurohormones secretion, glycosylation products, and insulin resistance. As microbiota dysbiosis in T2DM and metabolic alterations in different organs are related, the review also delves on the effects of several bioactive algal compounds on the colon/microbiota-liver-pancreas-brain axis. As the responses to therapeutic diets vary dramatically among individuals due to genetic components, it seems a priority to identify major gene polymorphisms affecting potential positive effects of algal compounds on T2DM treatment.
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Affiliation(s)
- Aránzazu Bocanegra
- Pharmacology, Pharmacognosy and Botany Department, Pharmacy School, Complutense University of Madrid, 28040 Madrid, Spain; (A.G.); (J.B.)
| | - Adrián Macho-González
- Nutrition and Food Science Department (Nutrition), Pharmacy School, Complutense University of Madrid, 28040 Madrid, Spain;
- AFUSAN Group, Sanitary Research Institute of the San Carlos Clinical Hospital (IdISSC), 28040 Madrid, Spain
| | - Alba Garcimartín
- Pharmacology, Pharmacognosy and Botany Department, Pharmacy School, Complutense University of Madrid, 28040 Madrid, Spain; (A.G.); (J.B.)
- AFUSAN Group, Sanitary Research Institute of the San Carlos Clinical Hospital (IdISSC), 28040 Madrid, Spain
| | - Juana Benedí
- Pharmacology, Pharmacognosy and Botany Department, Pharmacy School, Complutense University of Madrid, 28040 Madrid, Spain; (A.G.); (J.B.)
- AFUSAN Group, Sanitary Research Institute of the San Carlos Clinical Hospital (IdISSC), 28040 Madrid, Spain
| | - Francisco José Sánchez-Muniz
- Nutrition and Food Science Department (Nutrition), Pharmacy School, Complutense University of Madrid, 28040 Madrid, Spain;
- AFUSAN Group, Sanitary Research Institute of the San Carlos Clinical Hospital (IdISSC), 28040 Madrid, Spain
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