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Bojarczuk A, Egorova ES, Dzitkowska-Zabielska M, Ahmetov II. Genetics of Exercise and Diet-Induced Fat Loss Efficiency: A Systematic Review. J Sports Sci Med 2024; 23:236-257. [PMID: 38455434 PMCID: PMC10915602 DOI: 10.52082/jssm.2024.236] [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: 01/08/2024] [Accepted: 02/21/2024] [Indexed: 03/09/2024]
Abstract
Physical exercise and dieting are well-known and effective methods for fat loss and improving cardiovascular health. However, different individuals often react differently to the same exercise regimen or dietary plan. While specific individuals may undergo substantial fat loss, others may observe only limited effects. A wide range of inter-individual variability in weight gain and changes in body composition induced by physical exercises and diets led to an investigation into the genetic factors that may contribute to the individual variations in such responses. This systematic review aimed at identifying the genetic markers associated with fat loss resulting from diet or exercise. A search of the current literature was performed using the PubMed database. Forty-seven articles met the inclusion criteria when assessing genetic markers associated with weight loss efficiency in response to different types of exercises and diets. Overall, we identified 30 genetic markers of fat-loss efficiency in response to different kinds of diets and 24 in response to exercise. Most studies (n = 46) used the candidate gene approach. We should aspire to the customized selection of exercise and dietary plans for each individual to prevent and treat obesity.
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Affiliation(s)
- Aleksandra Bojarczuk
- Faculty of Physical Culture, Gdansk University of Physical Education and Sport, Gdansk, Poland
| | - Emiliya S Egorova
- Laboratory of Genetics of Aging and Longevity, Kazan State Medical University, Kazan, Russia
| | | | - Ildus I Ahmetov
- Laboratory of Genetics of Aging and Longevity, Kazan State Medical University, Kazan, Russia
- Sports Genetics Laboratory, St Petersburg Research Institute of Physical Culture, St. Petersburg, Russia
- Center for Phygital Education and Innovative Sports Technologies, Plekhanov Russian University of Economics, Moscow, Russia
- Research Institute for Sport and Exercise Sciences, Liverpool John Moores University, Liverpool, UK
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2
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Abdollahi S, Hasanpour Ardekanizadeh N, Poorhosseini SM, Gholamalizadeh M, Roumi Z, Goodarzi MO, Doaei S. Unraveling the Complex Interactions between the Fat Mass and Obesity-Associated (FTO) Gene, Lifestyle, and Cancer. Adv Nutr 2022; 13:2406-2419. [PMID: 36104156 PMCID: PMC9776650 DOI: 10.1093/advances/nmac101] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/12/2022] [Revised: 06/28/2022] [Accepted: 09/12/2022] [Indexed: 01/29/2023] Open
Abstract
Carcinogenesis is a complicated process and originates from genetic, epigenetic, and environmental factors. Recent studies have reported a potential critical role for the fat mass and obesity-associated (FTO) gene in carcinogenesis through different signaling pathways such as mRNA N6-methyladenosine (m6A) demethylation. The most common internal modification in mammalian mRNA is the m6A RNA methylation that has significant biological functioning through regulation of cancer-related cellular processes. Some environmental factors, like physical activity and dietary intake, may influence signaling pathways engaged in carcinogenesis, through regulating FTO gene expression. In addition, people with FTO gene polymorphisms may be differently influenced by cancer risk factors, for example, FTO risk allele carriers may need a higher intake of nutrients to prevent cancer than others. In order to obtain a deeper viewpoint of the FTO, lifestyle, and cancer-related pathway interactions, this review aims to discuss upstream and downstream pathways associated with the FTO gene and cancer. The present study discusses the possible mechanisms of interaction of the FTO gene with various cancers and provides a comprehensive picture of the lifestyle factors affecting the FTO gene as well as the possible downstream pathways that lead to the effect of the FTO gene on cancer.
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Affiliation(s)
- Sepideh Abdollahi
- Department of Medical Genetics, School of Medicine, Tehran University of
Medical Sciences, Tehran, Iran
| | - Naeemeh Hasanpour Ardekanizadeh
- Department of Clinical Nutrition, School of Nutrition and Food Sciences,
Shiraz University of Medical Sciences, Shiraz, Iran
| | | | - Maryam Gholamalizadeh
- Cancer Research Center, Shahid Beheshti University of Medical
Sciences, Tehran, Iran
| | - Zahra Roumi
- Department of Nutrition, Science and Research Branch, Islamic Azad
University, Tehran, Iran
| | - Mark O Goodarzi
- Division of Endocrinology, Diabetes and Metabolism, Department of Medicine,
Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Saeid Doaei
- Department of Community Nutrition, School of Nutrition and Food Sciences,
Shahid Beheshti University of Medical Sciences, Tehran, Iran
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Choi JH, Cho YJ, Kim HJ, Ko SH, Chon S, Kang JH, Kim KK, Kim EM, Kim HJ, Song KH, Nam GE, Kim KI. Effect of Carbohydrate-Restricted Diets and Intermittent Fasting on Obesity, Type 2 Diabetes Mellitus, and Hypertension Management: Consensus Statement of the Korean Society for the Study of Obesity, Korean Diabetes Association, and Korean Society of Hypertension. J Obes Metab Syndr 2022; 31:100-122. [PMID: 35670159 PMCID: PMC9284571 DOI: 10.7570/jomes22009] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/12/2022] [Revised: 03/15/2022] [Accepted: 05/04/2022] [Indexed: 11/24/2022] Open
Abstract
Carbohydrate-restricted diets and intermittent fasting (IF) have been rapidly gaining interest among the general population and patients with cardiometabolic disease, such as overweight or obesity, diabetes, and hypertension. However, there are limited expert recommendations for these dietary regimens. This study aimed to evaluate the level of scientific evidence on the benefits and harms of carbohydrate-restricted diets and IF to make responsible recommendations. A meta-analysis and systematic literature review of 66 articles on 50 randomized controlled trials (RCTs) of carbohydrate-restricted diets and 10 articles on eight RCTs of IF was performed. Based on the analysis, the following recommendations are suggested. In adults with overweight or obesity, a moderately-low carbohydrate or low carbohydrate diet (mLCD) can be considered as a dietary regimen for weight reduction. In adults with type 2 diabetes mellitus, mLCD can be considered as a dietary regimen for improving glycemic control and reducing body weight. In contrast, a very-low carbohydrate diet (VLCD) and IF are recommended against in patients with diabetes. Furthermore, no recommendations are suggested for VLCD and IF in adults with overweight or obesity, and carbohydrate-restricted diets and IF in patients with hypertension. Here, we describe the results of our analysis and the evidence for these recommendations.
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Affiliation(s)
- Jong Han Choi
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea
| | - Yoon Jeong Cho
- Department of Family Medicine, Daegu Catholic University School of Medicine, Daegu, Korea
| | - Hyun-Jin Kim
- Division of Cardiology, Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Korea
| | - Seung-Hyun Ko
- Division of Endocrinology and Metabolism, Department of Internal Medicine, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Suk Chon
- Department of Endocrinology and Metabolism, College of Medicine, Kyung Hee University, Seoul, Korea
| | - Jee-Hyun Kang
- Department of Family Medicine, Konyang University College of Medicine, Daejeon, Korea
| | - Kyoung-Kon Kim
- Department of Family Medicine, Gachon University College of Medicine, Incheon, Korea
| | - Eun Mi Kim
- Department of Dietetics, Kangbuk Samsung Hospital, Seoul, Korea
| | - Hyun Jung Kim
- Institute for Evidence-based Medicine, Cochrane Korea, Department of Preventive Medicine, Korea University College of Medicine, Seoul, Korea
| | - Kee-Ho Song
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea
| | - Ga Eun Nam
- Department of Family Medicine, Korea University College of Medicine, Seoul, Korea
| | - Kwang Il Kim
- Division of Geriatrics, Department of Internal Medicine, Seoul National University School of Medicine, Seoul, Korea
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Choi JH, Cho YJ, Kim HJ, Ko SH, Chon S, Kang JH, Kim KK, Kim EM, Kim HJ, Song KH, Nam GE, Kim KI. Effect of carbohydrate-restricted diets and intermittent fasting on obesity, type 2 diabetes mellitus, and hypertension management: consensus statement of the Korean Society for the Study of obesity, Korean Diabetes Association, and Korean Society of Hypertension. Clin Hypertens 2022; 28:26. [PMID: 35642007 PMCID: PMC9158277 DOI: 10.1186/s40885-022-00207-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/09/2022] [Accepted: 04/25/2022] [Indexed: 12/11/2022] Open
Abstract
BACKGROUND Carbohydrate-restricted diets and intermittent fasting (IF) have been rapidly gaining interest among the general population and patients with cardiometabolic disease, such as overweight or obesity, diabetes, and hypertension. However, there are limited expert recommendations for these dietary regimens. This study aimed to evaluate the level of scientific evidence on the benefits and harms of carbohydrate-restricted diets and IF to make responsible recommendations. METHODS A meta-analysis and systematic literature review of 66 articles on 50 randomized controlled clinical trials (RCTs) of carbohydrate-restricted diets and ten articles on eight RCTs of IF was performed. RESULTS Based on the analysis, the following recommendations are suggested. In adults with overweight or obesity, a moderately-low carbohydrate or low carbohydrate diet (mLCD) can be considered as a dietary regimen for weight reduction. In adults with type 2 diabetes, mLCD can be considered as a dietary regimen for improving glycemic control and reducing body weight. In contrast, a very-low carbohydrate diet (VLCD) and IF are recommended against in patients with diabetes. Furthermore, no recommendations are suggested for VLCD and IF in adults with overweight or obesity, and carbohydrate-restricted diets and IF in patients with hypertension. CONCLUSION Here, we describe the results of our analysis and the evidence for these recommendations.
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Affiliation(s)
- Jong Han Choi
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, 05030, South Korea
| | - Yoon Jeong Cho
- Department of Family Medicine, Daegu Catholic University School of Medicine, Daegu, South Korea
| | - Hyun-Jin Kim
- Division of Cardiology, Department of Internal Medicine, Hanyang University College of Medicine, Seoul, South Korea
| | - Seung-Hyun Ko
- Division of Endocrinology and Metabolism, Department of Internal Medicine, St. Vincent's Hospital, College of Medicine, The Catholic University of Korea, Seoul, South Korea
| | - Suk Chon
- Department of Endocrinology and Metabolism, Kyung Hee University College of Medicine, Seoul, South Korea
| | - Jee-Hyun Kang
- Department of Family Medicine, Konyang University College of Medicine, Daejeon, South Korea
| | - Kyoung-Kon Kim
- Department of Family Medicine, Gachon University College of Medicine, Incheon, South Korea
| | - Eun Mi Kim
- Department of Dietetics, Kangbuk Samsung Hospital, Seoul, South Korea
| | - Hyun Jung Kim
- Institute for Evidence-based Medicine, Cochrane Korea, Department of Preventive Medicine, Korea University College of Medicine, Seoul, South Korea
| | - Kee-Ho Song
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, 05030, South Korea.
| | - Ga Eun Nam
- Department of Family Medicine, Korea University Guro Hospital, Korea University College of Medicine, Seoul, 08308, Republic of Korea.
| | - Kwang Il Kim
- Division of Geriatrics, Department of Internal Medicine, Seoul National University Bundang Hospital, Seongnam, 13620, Republic of Korea.
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Yosri MM, Hamada HA, Yousef AM. Effect of visceral manipulation on menstrual complaints in women with polycystic ovarian syndrome. J Osteopath Med 2022; 122:411-422. [PMID: 35488711 DOI: 10.1515/jom-2021-0255] [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: 10/25/2021] [Accepted: 02/02/2022] [Indexed: 11/15/2022]
Abstract
CONTEXT Research is lacking regarding osteopathic approaches in treating polycystic ovary syndrome (PCOS), one of the prevailing endocrine abnormalities in reproductive-aged women. Limited movement of pelvic organs can result in functional and structural deficits, which can be resolved by applying visceral manipulation (VM). OBJECTIVES This study aims to analyze the effect of VM on dysmenorrhea, irregular, delayed, and/or absent menses, and premenstrual symptoms in PCOS patients. METHODS Thirty Egyptian women with PCOS, with menstruation-related complaints and free from systematic diseases and/or adrenal gland abnormalities, prospectively participated in a single-blinded, randomized controlled trial. They were recruited from the women's health outpatient clinic in the faculty of physical therapy at Cairo University, with an age of 20-34 years, and a body mass index (BMI) ≥25, <30 kg/m2. Patients were randomly allocated into two equal groups (15 patients); the control group received a low-calorie diet for 3 months, and the study group that received the same hypocaloric diet added to VM to the pelvic organs and their related structures, according to assessment findings, for eight sessions over 3 months. Evaluations for body weight, BMI, and menstrual problems were done by weight-height scale, and menstruation-domain of Polycystic Ovary Syndrome Health-Related Quality of Life Questionnaire (PCOSQ), respectively, at baseline and after 3 months from interventions. Data were described as mean, standard deviation, range, and percentage whenever applicable. RESULTS Of 60 Egyptian women with PCOS, 30 patients were included, with baseline mean age, weight, BMI, and menstruation domain score of 27.5 ± 2.2 years, 77.7 ± 4.3 kg, 28.6 ± 0.7 kg/m2, and 3.4 ± 1.0, respectively, for the control group, and 26.2 ± 4.7 years, 74.6 ± 3.5 kg, 28.2 ± 1.1 kg/m2, and 2.9 ± 1.0, respectively, for the study group. Out of the 15 patients in the study group, uterine adhesions were found in 14 patients (93.3%), followed by restricted uterine mobility in 13 patients (86.7%), restricted ovarian/broad ligament mobility (9, 60%), and restricted motility (6, 40%). At baseline, there was no significant difference (p>0.05) in any of demographics (age, height), or dependent variables (weight, BMI, menstruation domain score) among both groups. Poststudy, there was a statistically significant reduction (p=0.000) in weight, and BMI mean values for the diet group (71.2 ± 4.2 kg, and 26.4 ± 0.8 kg/m2, respectively) and the diet + VM group (69.2 ± 3.7 kg; 26.1 ± 0.9 kg/m2, respectively). For the improvement in the menstrual complaints, a significant increase (p<0.05) in the menstruation domain mean score was shown in diet group (3.9 ± 1.0), and the diet + VM group (4.6 ± 0.5). On comparing both groups poststudy, there was a statistically significant improvement (p=0.024) in the severity of menstruation-related problems in favor of the diet + VM group. CONCLUSIONS VM yielded greater improvement in menstrual pain, irregularities, and premenstrual symptoms in PCOS patients when added to caloric restriction than utilizing the low-calorie diet alone in treating that condition.
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Affiliation(s)
- Mahitab M Yosri
- Women's Health Department, Faculty of Physical Therapy, Cairo University, Giza, Egypt
| | - Hamada A Hamada
- Department of Biomechanics, Faculty of Physical Therapy, Cairo University, Giza, Egypt
| | - Amel M Yousef
- Women's Health Department, Faculty of Physical Therapy, Cairo University, Giza, Egypt
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6
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Choi JH, Cho YJ, Kim HJ, Ko SH, Chon S, Kang JH, Kim KK, Kim EM, Kim HJ, Song KH, Nam GE, Kim KI. Effect of Carbohydrate-Restricted Diets and Intermittent Fasting on Obesity, Type 2 Diabetes Mellitus, and Hypertension Management: Consensus Statement of the Korean Society for the Study of Obesity, Korean Diabetes Association, and Korean Society of Hypertension. Diabetes Metab J 2022; 46:355-376. [PMID: 35656560 PMCID: PMC9171155 DOI: 10.4093/dmj.2022.0038] [Citation(s) in RCA: 4] [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: 02/08/2022] [Accepted: 04/15/2022] [Indexed: 12/17/2022] Open
Abstract
Carbohydrate-restricted diets and intermittent fasting (IF) have been rapidly gaining interest among the general population and patients with cardiometabolic disease, such as overweight or obesity, diabetes, and hypertension. However, there are limited expert recommendations for these dietary regimens. This study aimed to evaluate the level of scientific evidence on the benefits and harms of carbohydrate-restricted diets and IF to make responsible recommendations. A meta-analysis and systematic literature review of 66 articles on 50 randomized controlled trials (RCTs) of carbohydrate-restricted diets and 10 articles on eight RCTs of IF was performed. Based on the analysis, the following recommendations are suggested. In adults with overweight or obesity, a moderately-low carbohydrate or low carbohydrate diet (mLCD) can be considered as a dietary regimen for weight reduction. In adults with type 2 diabetes mellitus, mLCD can be considered as a dietary regimen for improving glycemic control and reducing body weight. In contrast, a very-low carbohydrate diet (VLCD) and IF are recommended against in patients with diabetes. Furthermore, no recommendations are suggested for VLCD and IF in adults with overweight or obesity, and carbohydrate-restricted diets and IF in patients with hypertension. Here, we describe the results of our analysis and the evidence for these recommendations.
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Affiliation(s)
- Jong Han Choi
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea
| | - Yoon Jeong Cho
- Department of Family Medicine, Daegu Catholic University School of Medicine, Daegu, Korea
| | - Hyun-Jin Kim
- Division of Cardiology, Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Korea
| | - Seung-Hyun Ko
- Division of Endocrinology and Metabolism, Department of Internal Medicine, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
| | - Suk Chon
- Department of Endocrinology and Metabolism, College of Medicine, Kyung Hee University, Seoul, Korea
| | - Jee-Hyun Kang
- Department of Family Medicine, Konyang University College of Medicine, Daejeon, Korea
| | - Kyoung-Kon Kim
- Department of Family Medicine, Gachon University College of Medicine, Incheon, Korea
| | - Eun Mi Kim
- Department of Dietetics, Kangbuk Samsung Hospital, Seoul, Korea
| | - Hyun Jung Kim
- Institute for Evidence-based Medicine, Cochrane Korea, Department of Preventive Medicine, Korea University College of Medicine, Seoul, Korea
| | - Kee-Ho Song
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea
| | - Ga Eun Nam
- Department of Family Medicine, Korea University College of Medicine, Seoul, Korea
| | - Kwang Il Kim
- Division of Geriatrics, Department of Internal Medicine, Seoul National University School of Medicine, Seoul, Korea
| | - Committee of Clinical Practice Guidelines
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea
- Department of Family Medicine, Daegu Catholic University School of Medicine, Daegu, Korea
- Division of Cardiology, Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Korea
- Division of Endocrinology and Metabolism, Department of Internal Medicine, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
- Department of Endocrinology and Metabolism, College of Medicine, Kyung Hee University, Seoul, Korea
- Department of Family Medicine, Konyang University College of Medicine, Daejeon, Korea
- Department of Family Medicine, Gachon University College of Medicine, Incheon, Korea
- Department of Dietetics, Kangbuk Samsung Hospital, Seoul, Korea
- Institute for Evidence-based Medicine, Cochrane Korea, Department of Preventive Medicine, Korea University College of Medicine, Seoul, Korea
- Department of Family Medicine, Korea University College of Medicine, Seoul, Korea
- Division of Geriatrics, Department of Internal Medicine, Seoul National University School of Medicine, Seoul, Korea
| | - Korean Society for the Study of Obesity (KSSO)
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea
- Department of Family Medicine, Daegu Catholic University School of Medicine, Daegu, Korea
- Division of Cardiology, Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Korea
- Division of Endocrinology and Metabolism, Department of Internal Medicine, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
- Department of Endocrinology and Metabolism, College of Medicine, Kyung Hee University, Seoul, Korea
- Department of Family Medicine, Konyang University College of Medicine, Daejeon, Korea
- Department of Family Medicine, Gachon University College of Medicine, Incheon, Korea
- Department of Dietetics, Kangbuk Samsung Hospital, Seoul, Korea
- Institute for Evidence-based Medicine, Cochrane Korea, Department of Preventive Medicine, Korea University College of Medicine, Seoul, Korea
- Department of Family Medicine, Korea University College of Medicine, Seoul, Korea
- Division of Geriatrics, Department of Internal Medicine, Seoul National University School of Medicine, Seoul, Korea
| | - Committee of Clinical Practice Guidelines and Committee of Food and Nutrition, Korean Diabetes Association (KDA)
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea
- Department of Family Medicine, Daegu Catholic University School of Medicine, Daegu, Korea
- Division of Cardiology, Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Korea
- Division of Endocrinology and Metabolism, Department of Internal Medicine, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
- Department of Endocrinology and Metabolism, College of Medicine, Kyung Hee University, Seoul, Korea
- Department of Family Medicine, Konyang University College of Medicine, Daejeon, Korea
- Department of Family Medicine, Gachon University College of Medicine, Incheon, Korea
- Department of Dietetics, Kangbuk Samsung Hospital, Seoul, Korea
- Institute for Evidence-based Medicine, Cochrane Korea, Department of Preventive Medicine, Korea University College of Medicine, Seoul, Korea
- Department of Family Medicine, Korea University College of Medicine, Seoul, Korea
- Division of Geriatrics, Department of Internal Medicine, Seoul National University School of Medicine, Seoul, Korea
| | - Policy Committee of Korean Society of Hypertension (KSH)
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea
- Department of Family Medicine, Daegu Catholic University School of Medicine, Daegu, Korea
- Division of Cardiology, Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Korea
- Division of Endocrinology and Metabolism, Department of Internal Medicine, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
- Department of Endocrinology and Metabolism, College of Medicine, Kyung Hee University, Seoul, Korea
- Department of Family Medicine, Konyang University College of Medicine, Daejeon, Korea
- Department of Family Medicine, Gachon University College of Medicine, Incheon, Korea
- Department of Dietetics, Kangbuk Samsung Hospital, Seoul, Korea
- Institute for Evidence-based Medicine, Cochrane Korea, Department of Preventive Medicine, Korea University College of Medicine, Seoul, Korea
- Department of Family Medicine, Korea University College of Medicine, Seoul, Korea
- Division of Geriatrics, Department of Internal Medicine, Seoul National University School of Medicine, Seoul, Korea
| | - Policy Development Committee of National Academy of Medicine of Korea (NAMOK)
- Division of Endocrinology and Metabolism, Department of Internal Medicine, Konkuk University Medical Center, Konkuk University School of Medicine, Seoul, Korea
- Department of Family Medicine, Daegu Catholic University School of Medicine, Daegu, Korea
- Division of Cardiology, Department of Internal Medicine, Hanyang University College of Medicine, Seoul, Korea
- Division of Endocrinology and Metabolism, Department of Internal Medicine, St. Vincent’s Hospital, College of Medicine, The Catholic University of Korea, Seoul, Korea
- Department of Endocrinology and Metabolism, College of Medicine, Kyung Hee University, Seoul, Korea
- Department of Family Medicine, Konyang University College of Medicine, Daejeon, Korea
- Department of Family Medicine, Gachon University College of Medicine, Incheon, Korea
- Department of Dietetics, Kangbuk Samsung Hospital, Seoul, Korea
- Institute for Evidence-based Medicine, Cochrane Korea, Department of Preventive Medicine, Korea University College of Medicine, Seoul, Korea
- Department of Family Medicine, Korea University College of Medicine, Seoul, Korea
- Division of Geriatrics, Department of Internal Medicine, Seoul National University School of Medicine, Seoul, Korea
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Wang J, Lv S, Zhou Y, Sun Y, Zhu H, Yan G, Wu Y, Ma Y. The association between low carbohydrate diet scores and cardiometabolic risk factors in Chinese adults. Br J Nutr 2022; 129:1-39. [PMID: 35443899 DOI: 10.1017/s0007114522001076] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/07/2022]
Abstract
Epidemiological studies on the association between the low carbohydrate diet (LCD) score and cardiovascular disease risk factors have limited and inconsistent results. Data are from the baseline survey of Community-based Cohort Study on Nervous System Diseases. A total of 4609 adults aged ≥18 years were included in the study. Dietary data were assessed using a validated semi-quantitative Food Frequency Questionnaire. Multivariable logistic regression analyses were used to estimate relationships of three LCD scores with low high-density lipoprotein cholesterol (HDL-C), high low-density lipoprotein cholesterol (LDL-C), hypercholesterolemia, hypertriglyceridemia, impaired fasting glucose (IFG), high blood pressure, and hyperuricemia after adjusting for potential confounders. A higher LCD score was negatively associated with low HDL-C [OR (95%CI): 0.65 (0.50, 0.83), P=0.0001] and IFG [OR (95%CI): 0.65 (0.51, 0.81), P=0.001] after the final adjustment. However, there are gender differences in this result. Males in the highest quintile of the animal-based or plant-based LCD scores showed a decreased risk of low HDL-C, and females in the highest quintile of the animal-based or plant-based LCD scores showed a decreased risk of IFG than those in the lowest quintile of the LCD scores. These results suggest that gender differences should be considered when using LCD to treat dyslipidemia and reduce fasting blood glucose.
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Affiliation(s)
- Jiaqi Wang
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Province Key Laboratory of Environment and Human Health, Shijiazhuang, China
| | - Shuaishuai Lv
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Province Key Laboratory of Environment and Human Health, Shijiazhuang, China
| | - Yutian Zhou
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Province Key Laboratory of Environment and Human Health, Shijiazhuang, China
| | - Yan Sun
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Province Key Laboratory of Environment and Human Health, Shijiazhuang, China
| | - Huichen Zhu
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Province Key Laboratory of Environment and Human Health, Shijiazhuang, China
| | - Guochao Yan
- Clinical Laboratory, The First Hospital of Hebei Medical University, Shijiazhuang, China
| | - Yan Wu
- Clinical Laboratory, The First Hospital of Hebei Medical University, Shijiazhuang, China
| | - Yuxia Ma
- Department of Nutrition and Food Hygiene, School of Public Health, Hebei Medical University, Hebei Province Key Laboratory of Environment and Human Health, Shijiazhuang, China
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8
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Naude CE, Brand A, Schoonees A, Nguyen KA, Chaplin M, Volmink J. Low-carbohydrate versus balanced-carbohydrate diets for reducing weight and cardiovascular risk. Cochrane Database Syst Rev 2022; 1:CD013334. [PMID: 35088407 PMCID: PMC8795871 DOI: 10.1002/14651858.cd013334.pub2] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
BACKGROUND Debates on effective and safe diets for managing obesity in adults are ongoing. Low-carbohydrate weight-reducing diets (also known as 'low-carb diets') continue to be widely promoted, marketed and commercialised as being more effective for weight loss, and healthier, than 'balanced'-carbohydrate weight-reducing diets. OBJECTIVES To compare the effects of low-carbohydrate weight-reducing diets to weight-reducing diets with balanced ranges of carbohydrates, in relation to changes in weight and cardiovascular risk, in overweight and obese adults without and with type 2 diabetes mellitus (T2DM). SEARCH METHODS We searched MEDLINE (PubMed), Embase (Ovid), the Cochrane Central Register of Controlled Trials (CENTRAL), Web of Science Core Collection (Clarivate Analytics), ClinicalTrials.gov and WHO International Clinical Trials Registry Platform (ICTRP) up to 25 June 2021, and screened reference lists of included trials and relevant systematic reviews. Language or publication restrictions were not applied. SELECTION CRITERIA We included randomised controlled trials (RCTs) in adults (18 years+) who were overweight or living with obesity, without or with T2DM, and without or with cardiovascular conditions or risk factors. Trials had to compare low-carbohydrate weight-reducing diets to balanced-carbohydrate (45% to 65% of total energy (TE)) weight-reducing diets, have a weight-reducing phase of 2 weeks or longer and be explicitly implemented for the primary purpose of reducing weight, with or without advice to restrict energy intake. DATA COLLECTION AND ANALYSIS: Two review authors independently screened titles and abstracts and full-text articles to determine eligibility; and independently extracted data, assessed risk of bias using RoB 2 and assessed the certainty of the evidence using GRADE. We stratified analyses by participants without and with T2DM, and by diets with weight-reducing phases only and those with weight-reducing phases followed by weight-maintenance phases. Primary outcomes were change in body weight (kg) and the number of participants per group with weight loss of at least 5%, assessed at short- (three months to < 12 months) and long-term (≥ 12 months) follow-up. MAIN RESULTS We included 61 parallel-arm RCTs that randomised 6925 participants to either low-carbohydrate or balanced-carbohydrate weight-reducing diets. All trials were conducted in high-income countries except for one in China. Most participants (n = 5118 randomised) did not have T2DM. Mean baseline weight across trials was 95 kg (range 66 to 132 kg). Participants with T2DM were older (mean 57 years, range 50 to 65) than those without T2DM (mean 45 years, range 22 to 62). Most trials included men and women (42/61; 3/19 men only; 16/19 women only), and people without baseline cardiovascular conditions, risk factors or events (36/61). Mean baseline diastolic blood pressure (DBP) and low-density lipoprotein (LDL) cholesterol across trials were within normal ranges. The longest weight-reducing phase of diets was two years in participants without and with T2DM. Evidence from studies with weight-reducing phases followed by weight-maintenance phases was limited. Most trials investigated low-carbohydrate diets (> 50 g to 150 g per day or < 45% of TE; n = 42), followed by very low (≤ 50 g per day or < 10% of TE; n = 14), and then incremental increases from very low to low (n = 5). The most common diets compared were low-carbohydrate, balanced-fat (20 to 35% of TE) and high-protein (> 20% of TE) treatment diets versus control diets balanced for the three macronutrients (24/61). In most trials (45/61) the energy prescription or approach used to restrict energy intake was similar in both groups. We assessed the overall risk of bias of outcomes across trials as predominantly high, mostly from bias due to missing outcome data. Using GRADE, we assessed the certainty of evidence as moderate to very low across outcomes. Participants without and with T2DM lost weight when following weight-reducing phases of both diets at the short (range: 12.2 to 0.33 kg) and long term (range: 13.1 to 1.7 kg). In overweight and obese participants without T2DM: low-carbohydrate weight-reducing diets compared to balanced-carbohydrate weight-reducing diets (weight-reducing phases only) probably result in little to no difference in change in body weight over three to 8.5 months (mean difference (MD) -1.07 kg, (95% confidence interval (CI) -1.55 to -0.59, I2 = 51%, 3286 participants, 37 RCTs, moderate-certainty evidence) and over one to two years (MD -0.93 kg, 95% CI -1.81 to -0.04, I2 = 40%, 1805 participants, 14 RCTs, moderate-certainty evidence); as well as change in DBP and LDL cholesterol over one to two years. The evidence is very uncertain about whether there is a difference in the number of participants per group with weight loss of at least 5% at one year (risk ratio (RR) 1.11, 95% CI 0.94 to 1.31, I2 = 17%, 137 participants, 2 RCTs, very low-certainty evidence). In overweight and obese participants with T2DM: low-carbohydrate weight-reducing diets compared to balanced-carbohydrate weight-reducing diets (weight-reducing phases only) probably result in little to no difference in change in body weight over three to six months (MD -1.26 kg, 95% CI -2.44 to -0.09, I2 = 47%, 1114 participants, 14 RCTs, moderate-certainty evidence) and over one to two years (MD -0.33 kg, 95% CI -2.13 to 1.46, I2 = 10%, 813 participants, 7 RCTs, moderate-certainty evidence); as well in change in DBP, HbA1c and LDL cholesterol over 1 to 2 years. The evidence is very uncertain about whether there is a difference in the number of participants per group with weight loss of at least 5% at one to two years (RR 0.90, 95% CI 0.68 to 1.20, I2 = 0%, 106 participants, 2 RCTs, very low-certainty evidence). Evidence on participant-reported adverse effects was limited, and we could not draw any conclusions about these. AUTHORS' CONCLUSIONS: There is probably little to no difference in weight reduction and changes in cardiovascular risk factors up to two years' follow-up, when overweight and obese participants without and with T2DM are randomised to either low-carbohydrate or balanced-carbohydrate weight-reducing diets.
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Affiliation(s)
- Celeste E Naude
- Centre for Evidence-based Health Care, Division of Epidemiology and Biostatistics, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Amanda Brand
- Centre for Evidence-based Health Care, Division of Epidemiology and Biostatistics, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Anel Schoonees
- Centre for Evidence-based Health Care, Division of Epidemiology and Biostatistics, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Kim A Nguyen
- Centre for Evidence-based Health Care, Division of Epidemiology and Biostatistics, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
| | - Marty Chaplin
- Department of Clinical Sciences, Liverpool School of Tropical Medicine, Liverpool, UK
| | - Jimmy Volmink
- Centre for Evidence-based Health Care, Division of Epidemiology and Biostatistics, Faculty of Medicine and Health Sciences, Stellenbosch University, Cape Town, South Africa
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A Novel Personalized Systems Nutrition Program Improves Dietary Patterns, Lifestyle Behaviors and Health-Related Outcomes: Results from the Habit Study. Nutrients 2021; 13:nu13061763. [PMID: 34067248 PMCID: PMC8224682 DOI: 10.3390/nu13061763] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/14/2021] [Accepted: 05/17/2021] [Indexed: 12/21/2022] Open
Abstract
Personalized nutrition may be more effective in changing lifestyle behaviors compared to population-based guidelines. This single-arm exploratory study evaluated the impact of a 10-week personalized systems nutrition (PSN) program on lifestyle behavior and health outcomes. Healthy men and women (n = 82) completed the trial. Individuals were grouped into seven diet types, for which phenotypic, genotypic and behavioral data were used to generate personalized recommendations. Behavior change guidance was also provided. The intervention reduced the intake of calories (−256.2 kcal; p < 0.0001), carbohydrates (−22.1 g; p < 0.0039), sugar (−13.0 g; p < 0.0001), total fat (−17.3 g; p < 0.0001), saturated fat (−5.9 g; p = 0.0003) and PUFA (−2.5 g; p = 0.0065). Additionally, BMI (−0.6 kg/m2; p < 0.0001), body fat (−1.2%; p = 0.0192) and hip circumference (−5.8 cm; p < 0.0001) were decreased after the intervention. In the subgroup with the lowest phenotypic flexibility, a measure of the body’s ability to adapt to environmental stressors, LDL (−0.44 mmol/L; p = 0.002) and total cholesterol (−0.49 mmol/L; p < 0.0001) were reduced after the intervention. This study shows that a PSN program in a workforce improves lifestyle habits and reduces body weight, BMI and other health-related outcomes. Health improvement was most pronounced in the compromised phenotypic flexibility subgroup, which indicates that a PSN program may be effective in targeting behavior change in health-compromised target groups.
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Isgin-Atici K, Alsulami S, Turan-Demirci B, Surendran S, Sendur SN, Lay I, Karabulut E, Ellahi B, Lovegrove JA, Alikasifoglu M, Erbas T, Vimaleswaran KS, Buyuktuncer Z. FTO gene-lifestyle interactions on serum adiponectin concentrations and central obesity in a Turkish population. Int J Food Sci Nutr 2021; 72:375-385. [PMID: 32746650 DOI: 10.1080/09637486.2020.1802580] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2020] [Revised: 07/07/2020] [Accepted: 07/23/2020] [Indexed: 12/18/2022]
Abstract
The aim of the study was to investigate whether lifestyle factors modify the association between fat mass and obesity-associated (FTO) gene single nucleotide polymorphisms (SNPs) and obesity in a Turkish population. The study included 400 unrelated individuals, aged 24-50 years recruited in a hospital setting. Dietary intake and physical activity were assessed using 24-hour dietary recall and self-report questionnaire, respectively. A genetic risk score (GRS) was developed using FTO SNPs, rs9939609 and rs10163409. Body mass index and fat mass index were significantly associated with FTO SNP rs9939609 (p = 0.001 and p = 0.002, respectively) and GRS (p = 0.002 and p = 0.003, respectively). The interactions between SNP rs9939609 and physical activity on adiponectin concentrations, and SNP rs10163409 and dietary protein intake on increased waist circumference were statistically significant (Pinteraction = 0.027 and Pinteraction = 0.044, respectively). Our study has demonstrated that the association between FTO SNPs and central obesity might be modified by lifestyle factors in this Turkish population.
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Affiliation(s)
- Kubra Isgin-Atici
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Hacettepe University, Ankara, Turkey
| | - Sooad Alsulami
- Department of Food and Nutritional Sciences, University of Reading, Whiteknights, Reading, UK
- Department of Clinical Nutrition, Faculty of Applied Medical Sciences, King Abdulaziz University, Jeddah, Saudi Arabia
| | - Busra Turan-Demirci
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Hacettepe University, Ankara, Turkey
| | - Shelini Surendran
- Department of Food and Nutritional Sciences, University of Reading, Whiteknights, Reading, UK
| | - Suleyman Nahit Sendur
- Department of Endocrinology and Metabolism, School of Medicine, Hacettepe University, Ankara, Turkey
| | - Incilay Lay
- Department of Medical Biochemistry, School of Medicine, Hacettepe University, Ankara, Turkey
- Clinical Pathology Laboratory, Hacettepe University Hospitals, Ankara, Turkey
| | - Erdem Karabulut
- Department of Biostatistics, School of Medicine, Hacettepe University, Ankara, Turkey
- Department of Bioinformatics, Hacettepe University, Ankara, Turkey
| | - Basma Ellahi
- Faculty of Health and Social Care, University of Chester, Chester, UK
| | - Julie A Lovegrove
- Department of Food and Nutritional Sciences, University of Reading, Whiteknights, Reading, UK
| | - Mehmet Alikasifoglu
- Department of Medical Genetics, School of Medicine, Hacettepe University Ankara, Turkey
- Genetics Diagnostic Centre, DAMAGEN, Ankara, Turkey
| | - Tomris Erbas
- Department of Endocrinology and Metabolism, School of Medicine, Hacettepe University, Ankara, Turkey
| | | | - Zehra Buyuktuncer
- Department of Nutrition and Dietetics, Faculty of Health Sciences, Hacettepe University, Ankara, Turkey
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Interaction between the genetic risk score and dietary protein intake on cardiometabolic traits in Southeast Asian. GENES AND NUTRITION 2020; 15:19. [PMID: 33045981 PMCID: PMC7552350 DOI: 10.1186/s12263-020-00678-w] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/05/2019] [Accepted: 09/30/2020] [Indexed: 12/18/2022]
Abstract
Background Cardiometabolic diseases are complex traits which are influenced by several single nucleotide polymorphisms (SNPs). Thus, analysing the combined effects of multiple gene variants might provide a better understanding of disease risk than using a single gene variant approach. Furthermore, studies have found that the effect of SNPs on cardiometabolic traits can be influenced by lifestyle factors, highlighting the importance of analysing gene-lifestyle interactions. Aims In the present study, we investigated the association of 15 gene variants with cardiometabolic traits and examined whether these associations were modified by lifestyle factors such as dietary intake and physical activity. Methods The study included 110 Minangkabau women [aged 25–60 years and body mass index (BMI) 25.13 ± 4.2 kg/m2] from Padang, Indonesia. All participants underwent a physical examination followed by anthropometric, biochemical and dietary assessments and genetic tests. A genetic risk score (GRS) was developed based on 15 cardiometabolic disease-related SNPs. The effect of GRS on cardiometabolic traits was analysed using general linear models. GRS-lifestyle interactions on continuous outcomes were tested by including the interaction term (e.g. lifestyle factor*GRS) in the regression model. Models were adjusted for age, BMI and location (rural or urban), wherever appropriate. Results There was a significant association between GRS and BMI, where individuals carrying 6 or more risk alleles had higher BMI compared to those carrying 5 or less risk alleles (P = 0.018). Furthermore, there were significant interactions of GRS with protein intake on waist circumference (WC) and triglyceride concentrations (Pinteraction = 0.002 and 0.003, respectively). Among women who had a lower protein intake (13.51 ± 1.18% of the total daily energy intake), carriers of six or more risk alleles had significantly lower WC and triglyceride concentrations compared with carriers of five or less risk alleles (P = 0.0118 and 0.002, respectively). Conclusions Our study confirmed the association of GRS with higher BMI and further showed a significant effect of the GRS on WC and triglyceride levels through the influence of a low-protein diet. These findings suggest that following a lower protein diet, particularly in genetically predisposed individuals, might be an effective approach for addressing cardiometabolic diseases among Southeast Asian women.
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12
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Abstract
Aging is associated with a progressive decline in cardiovascular structure and function. Accumulating evidence links cardiovascular aging to epigenetic alterations encompassing a complex interplay of DNA methylation, histone posttranslational modifications, and dynamic nucleosome occupancy governed by numerous epigenetic factors. Advances in genomics technology have led to a profound understanding of chromatin reorganization in both cardiovascular aging and diseases. This review summarizes recent discoveries in epigenetic mechanisms involved in cardiovascular aging and diseases and discusses potential therapeutic strategies to retard cardiovascular aging and conquer related diseases through the rejuvenation of epigenetic signatures to a young state.
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Affiliation(s)
- Weiqi Zhang
- From the Advanced Innovation Center for Human Brain Protection, National Clinical Research Center for Geriatric Disorders, Xuanwu Hospital of Capital Medical University, Beijing, China (W.Z., G.-H.L.).,National Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics (W.Z., G.-H.L.), Chinese Academy of Sciences, Beijing.,Institute of Stem Cell and Regeneration (W.Z., M.S., J.Q., G.-H.L.), Chinese Academy of Sciences, Beijing.,University of Chinese Academy of Sciences, Beijing (W.Z., M.S., J.Q., G.-H.L.)
| | - Moshi Song
- State Key Laboratory of Membrane Biology, Institute of Zoology (M.S.), Chinese Academy of Sciences, Beijing.,Institute of Stem Cell and Regeneration (W.Z., M.S., J.Q., G.-H.L.), Chinese Academy of Sciences, Beijing.,University of Chinese Academy of Sciences, Beijing (W.Z., M.S., J.Q., G.-H.L.)
| | - Jing Qu
- State Key Laboratory of Stem Cell and Reproductive Biology, Institute of Zoology (J.Q.), Chinese Academy of Sciences, Beijing.,Institute of Stem Cell and Regeneration (W.Z., M.S., J.Q., G.-H.L.), Chinese Academy of Sciences, Beijing.,University of Chinese Academy of Sciences, Beijing (W.Z., M.S., J.Q., G.-H.L.)
| | - Guang-Hui Liu
- From the Advanced Innovation Center for Human Brain Protection, National Clinical Research Center for Geriatric Disorders, Xuanwu Hospital of Capital Medical University, Beijing, China (W.Z., G.-H.L.).,National Laboratory of Biomacromolecules, CAS Center for Excellence in Biomacromolecules, Institute of Biophysics (W.Z., G.-H.L.), Chinese Academy of Sciences, Beijing.,Institute of Stem Cell and Regeneration (W.Z., M.S., J.Q., G.-H.L.), Chinese Academy of Sciences, Beijing.,University of Chinese Academy of Sciences, Beijing (W.Z., M.S., J.Q., G.-H.L.)
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13
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Guest NS, Horne J, Vanderhout SM, El-Sohemy A. Sport Nutrigenomics: Personalized Nutrition for Athletic Performance. Front Nutr 2019; 6:8. [PMID: 30838211 PMCID: PMC6389634 DOI: 10.3389/fnut.2019.00008] [Citation(s) in RCA: 43] [Impact Index Per Article: 8.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2018] [Accepted: 01/18/2019] [Indexed: 12/14/2022] Open
Abstract
An individual's dietary and supplement strategies can influence markedly their physical performance. Personalized nutrition in athletic populations aims to optimize health, body composition, and exercise performance by targeting dietary recommendations to an individual's genetic profile. Sport dietitians and nutritionists have long been adept at placing additional scrutiny on the one-size-fits-all general population dietary guidelines to accommodate various sporting populations. However, generic "one-size-fits-all" recommendations still remain. Genetic differences are known to impact absorption, metabolism, uptake, utilization and excretion of nutrients and food bioactives, which ultimately affects a number of metabolic pathways. Nutrigenomics and nutrigenetics are experimental approaches that use genomic information and genetic testing technologies to examine the role of individual genetic differences in modifying an athlete's response to nutrients and other food components. Although there have been few randomized, controlled trials examining the effects of genetic variation on performance in response to an ergogenic aid, there is a growing foundation of research linking gene-diet interactions on biomarkers of nutritional status, which impact exercise and sport performance. This foundation forms the basis from which the field of sport nutrigenomics continues to develop. We review the science of genetic modifiers of various dietary factors that impact an athlete's nutritional status, body composition and, ultimately athletic performance.
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Affiliation(s)
- Nanci S Guest
- Department of Nutritional Sciences, University of Toronto, Toronto, ON, Canada.,Nutrigenomix Inc., Toronto, ON, Canada
| | - Justine Horne
- Department of Health and Rehabilitation Sciences, University of Western Ontario, London, ON, Canada
| | - Shelley M Vanderhout
- Department of Nutritional Sciences, University of Toronto, Toronto, ON, Canada.,Nutrigenomix Inc., Toronto, ON, Canada
| | - Ahmed El-Sohemy
- Department of Nutritional Sciences, University of Toronto, Toronto, ON, Canada.,Nutrigenomix Inc., Toronto, ON, Canada
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Wallace TC, Bultman S, D'Adamo C, Daniel CR, Debelius J, Ho E, Eliassen H, Lemanne D, Mukherjee P, Seyfried TN, Tian Q, Vahdat LT. Personalized Nutrition in Disrupting Cancer - Proceedings From the 2017 American College of Nutrition Annual Meeting. J Am Coll Nutr 2018; 38:1-14. [PMID: 30511901 DOI: 10.1080/07315724.2018.1500499] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023]
Abstract
Cancer is a major public health problem and is the second leading cause of death in the United States and worldwide; nearly one in six deaths are attributable to cancer. Approximately 20% of all cancers diagnosed in the United States are attributable to unhealthy diet, excessive alcohol consumption, physical inactivity, and body fatness. Individual cancers are distinct disease states that are multifactorial in their causation, making them exceedingly cumbersome to study from a nutrition standpoint. Genetic influences are a major piece of the puzzle and personalized nutrition is likely to be most effective in disrupting cancer during all stages. Increasing evidence shows that after a cancer diagnosis, continuing standard dietary recommendations may not be appropriate. This is because powerful dietary interventions such as short-term fasting and carbohydrate restriction can disrupt tumor metabolism, synergizing with standard therapies such as radiation and drug therapy to improve efficacy and ultimately, cancer survival. The importance of identifying dietary interventions cannot be overstated, and the American College of Nutrition's commitment to advancing knowledge and research is evidenced by dedication of the 2017 ACN Annual Meeting to "Disrupting Cancer: The Role of Personalized Nutrition" and this resulting proceedings manuscript, which summarizes the meeting's findings.
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Affiliation(s)
- Taylor C Wallace
- a Department of Nutrition and Food Studies , George Mason University , Fairfax, VA , USA.,b Think Healthy Group, Inc , Washington, DC , USA
| | - Scott Bultman
- c Department of Genetics, University of North Carolina School of Medicine
| | - Chris D'Adamo
- d Departments of Family and Community Medicine and Epidemiology and Public Health , Center for Integrative Medicine, University of Maryland School of Medicine
| | - Carrie R Daniel
- e Department of Epidemiology, Division of Cancer Prevention and Population Sciences , The University of Texas MD Anderson Cancer Center
| | - Justine Debelius
- f Department of Medical Epidemiology and Biostatistics , Karolinska Institute , Stockholm , Sweden
| | - Emily Ho
- g Moore Family Center for Whole Grain Foods, Nutrition and Preventive Health, School of Biological and Population Health Sciences, Linus Pauling Institute, Oregon State University
| | - Heather Eliassen
- h Channing Division of Network Medicine , Brigham and Women's Hospital and Harvard Medical School.,i Harvard T.H. Chan School of Public Health
| | - Dawn Lemanne
- j Department of Medicine , University of Arizona , Tucson.,k National Institute of Integrative Medicine , Melbourne , Australia.,l Oregon Integrative Oncology , Ashland , Oregon
| | | | | | - Qiang Tian
- n Institute for Systems Biology, P4 Medicine Institute
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Merritt DC, Jamnik J, El-Sohemy A. FTO genotype, dietary protein intake, and body weight in a multiethnic population of young adults: a cross-sectional study. GENES & NUTRITION 2018; 13:4. [PMID: 29484031 PMCID: PMC5819260 DOI: 10.1186/s12263-018-0593-7] [Citation(s) in RCA: 36] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Accepted: 02/01/2018] [Indexed: 12/20/2022]
Abstract
BACKGROUND Variation in the fat mass and obesity-associated gene (FTO) has been associated with susceptibility to obesity, but the association appears to be modified by diet. We investigated whether dietary protein intake modifies the association between FTO variant rs1558902 and body mass index (BMI) and waist circumference in young adults (n = 1491) from the cross-sectional Toronto Nutrigenomics and Health Study. RESULTS Lifestyle, genetic, anthropometric, and biochemical data were collected and diet was assessed using a Toronto-modified Willett Food Frequency Questionnaire. General linear models stratified by ethnicity and adjusted for age, sex, and total energy intake were used to examine the association between FTO genotypes and measures of body weight, and whether protein intake modified any of the associations. East Asians who were homozygous for the rs1558902 risk allele (A) had a greater BMI (p = 0.004) and waist circumference (p = 0.03) than T allele carriers. This association was not observed in individuals of Caucasian or South Asian ancestry. Among East Asians, a significant FTO-protein interaction was observed for BMI (p = 0.01) and waist circumference (p = 0.007). Those with low protein intake (≤ 18% total energy intake) who were homozygous for the rs1558902 risk allele (A) had significantly higher BMI (p < 0.0001) and waist circumference (p = 0.0006) compared to carriers of the T allele. These associations were absent in the high protein intake group (> 18% total energy intake). Compared to Caucasians and South Asians, East Asians consumed a significantly higher ratio of animal-to-plant protein (p < 0.05). CONCLUSIONS These findings suggest that high dietary protein intake may protect against the effects of risk variants in the FTO gene on BMI and waist circumference.
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Affiliation(s)
- David C. Merritt
- Department of Nutritional Sciences, University of Toronto, 150 College Street, Room 350, Toronto, Ontario M5S 3E2 Canada
| | - Joseph Jamnik
- Department of Nutritional Sciences, University of Toronto, 150 College Street, Room 350, Toronto, Ontario M5S 3E2 Canada
| | - Ahmed El-Sohemy
- Department of Nutritional Sciences, University of Toronto, 150 College Street, Room 350, Toronto, Ontario M5S 3E2 Canada
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