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Ullah R, Xue C, Wang S, Qin Z, Rauf N, Zhan S, Khan NU, Shen Y, Zhou YD, Fu J. Alternate-day fasting delays pubertal development in normal-weight mice but prevents high-fat diet-induced obesity and precocious puberty. Nutr Diabetes 2024; 14:82. [PMID: 39366955 PMCID: PMC11452675 DOI: 10.1038/s41387-024-00335-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/21/2024] [Revised: 08/20/2024] [Accepted: 09/04/2024] [Indexed: 10/06/2024] Open
Abstract
BACKGROUND/OBJECTIVES Childhood obesity, particularly in girls, is linked to early puberty onset, heightening risks for adult-onset diseases. Addressing childhood obesity and precocious puberty is vital to mitigate societal burdens. Despite existing costly and invasive medical interventions, introducing lifestyle-based alternatives is essential. Our study investigates alternate-day fasting's (ADF) impact on pubertal development in normal-weight and high-fat diet (HFD)-induced obese female mice. METHODS Four groups of female mice were utilized, with dams initially fed control chow during and before pregnancy. Post-parturition, two groups continued on control chow, while two switched to an HFD. Offspring diets mirrored maternal exposure. One control and one HFD group were subjected to ADF. Morphometry and hormone analyses at various time points were performed. RESULTS Our findings demonstrate that ADF in normal-weight mice led to reduced body length, weight, uterine, and ovarian weights, accompanied by delayed puberty and lower levels of sex hormones and growth hormone (GH). Remarkably, GH treatment effectively prevented ADF-induced growth reduction but did not prevent delayed puberty. Conversely, an HFD increased body length, induced obesity and precocious puberty, and altered sex hormones and leptin levels, which were counteracted by ADF regimen. Our data indicate ADF's potential in managing childhood obesity and precocious puberty. CONCLUSIONS ADF reduced GH and sex hormone levels, contributing to reduced growth and delayed puberty, respectively. Therefore, parents of normal-weight children should be cautious about prolonged overnight fasting. ADF prevented HFD-induced obesity and precocious puberty, offering an alternative to medical approaches; nevertheless, further studies are needed for translation into clinical practice.
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Affiliation(s)
- Rahim Ullah
- Department of Endocrinology, Children's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, 310052, Zhejiang, China.
- Institute of Neuroscience, NHC and CAMS Key Laboratory of Medical Neurobiology, MOE Frontier Science Center for Brain Research and Brain-Machine Integration, Zhejiang University School of Brain Science and Brain Medicine, Hangzhou, 310052, China.
| | - Chuqing Xue
- Department of Endocrinology, Children's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, 310052, Zhejiang, China
| | - Senjie Wang
- Department of Endocrinology, Children's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, 310052, Zhejiang, China
| | - Zhewen Qin
- Department of Endocrinology, Children's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, 310052, Zhejiang, China
| | - Naveed Rauf
- Department of Endocrinology, Children's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, 310052, Zhejiang, China
| | - Shumin Zhan
- Department of Endocrinology, Children's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, 310052, Zhejiang, China
| | - Naimat Ullah Khan
- College of Veterinary Sciences, Abdul Wali Khan University Mardan, Mardan, 23200, Pakistan
| | - Yi Shen
- Institute of Neuroscience, NHC and CAMS Key Laboratory of Medical Neurobiology, MOE Frontier Science Center for Brain Research and Brain-Machine Integration, Zhejiang University School of Brain Science and Brain Medicine, Hangzhou, 310052, China.
| | - Yu-Dong Zhou
- Institute of Neuroscience, NHC and CAMS Key Laboratory of Medical Neurobiology, MOE Frontier Science Center for Brain Research and Brain-Machine Integration, Zhejiang University School of Brain Science and Brain Medicine, Hangzhou, 310052, China.
| | - Junfen Fu
- Department of Endocrinology, Children's Hospital of Zhejiang University School of Medicine, National Clinical Research Center for Child Health, Hangzhou, 310052, Zhejiang, China.
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Elhessy HM, Berika M, Salem YG, El-Desoky MM, Eldesoqui M, Mostafa N, Habotta OA, Lashine NH. Therapeutic effects of intermittent fasting on high-fat, high-fructose diet; involvement of jejunal aquaporin 1, 3, and 7. Heliyon 2024; 10:e28436. [PMID: 38560252 PMCID: PMC10979098 DOI: 10.1016/j.heliyon.2024.e28436] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Revised: 03/18/2024] [Accepted: 03/19/2024] [Indexed: 04/04/2024] Open
Abstract
Background Aquaporins (AQPs) are transmembrane channel proteins. Aquaporin 1 (AQP1), Aquaporin 3 (AQP3), and Aquaporin 7 (AQP7) are expressed in the jejunum. The purpose of this study was to ascertain how a high-fat high-fructose diet (HFFD) and intermittent fasting (IF) affect AQP1, AQP3, and AQP7 expression in the rat jejunum. Methods Sixteen adult male rats were divided into control rats (n = 4) fed on a basal diet and water ad libitum for 12 weeks; IF control rats (n = 4) followed the IF protocol, HFFD-fed rats (n = 8) fed HFFD for eight weeks, and rats were randomized into two groups: HFFD only or HFFD and IF protocol from the beginning of the 9th week until the end of the experiment. The lipid profile values were assessed after 12 weeks. Jejunal oxidative markers (malondialdehyde and reduced glutathione) and AQP1, AQP3, and AQP7 mRNA expression were measured. Jejunal sections were used for morphometric analysis of villus length and crypt depth. Immunohistochemical evaluation of AQP1, AQP3, and AQP7 expression was also performed. Results IF ameliorates HFFD-induced lipid profile, oxidative stress, and jejunal morphometric changes. The results of both mRNA expression using PCR and immunohistochemistry showed a significant increase in AQP1, AQP3, and AQP7 expression in HFFD, whereas IF caused a decline in this expression. Conclusion These findings suggest that IF can reduce inflammation, and oxidative stress and restore jejunal morphology caused by HFFD.
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Affiliation(s)
- Heba M. Elhessy
- Department of Anatomy and Embryology, Faculty of Medicine, Mansoura University, Mansoura, 35516, Egypt
- Department of Anatomy and Embryology, Faculty of Medicine, New Mansoura University, Mansoura, Egypt
| | - Mohamed Berika
- Department of Anatomy and Embryology, Faculty of Medicine, Mansoura University, Mansoura, 35516, Egypt
- Department of Rehabilitation Science, College of Applied Medical Sciences, King Saud University, Saudi Arabia
| | - Yassmin G. Salem
- Department of Anatomy and Embryology, Faculty of Medicine, Mansoura University, Mansoura, 35516, Egypt
| | - Manal M. El-Desoky
- Department of Chemistry, Faculty of Medicine, Mansoura University, Mansoura, 35516, Egypt
| | - Mamdouh Eldesoqui
- Department of Anatomy and Embryology, Faculty of Medicine, Mansoura University, Mansoura, 35516, Egypt
- Department of Basic Medical Sciences, College of Medicine, AlMaarefa University, Diriyah, 13713, Riyadh, Saudi Arabia
| | - Nora Mostafa
- Department of Chemistry, Faculty of Medicine, Mansoura University, Mansoura, 35516, Egypt
| | - Ola A. Habotta
- Department of Forensic Medicine and Toxicology, Faculty of Veterinary Medicine, Mansoura University, Mansoura, 35516, Egypt
| | - Nermeen H. Lashine
- Department of Anatomy and Embryology, Faculty of Medicine, Mansoura University, Mansoura, 35516, Egypt
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3
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Bradley M, Melchor J, Carr R, Karjoo S. Obesity and malnutrition in children and adults: A clinical review. OBESITY PILLARS (ONLINE) 2023; 8:100087. [PMID: 38125660 PMCID: PMC10728708 DOI: 10.1016/j.obpill.2023.100087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 09/05/2023] [Accepted: 09/05/2023] [Indexed: 12/23/2023]
Abstract
Background In the U.S., children and adults are consuming more low-nutrient foods with added sugar and excess fats as compared to healthy, high-quality calories and micronutrients. This diet is increasing the prevalence of malnutrition and nutritional deficiencies, despite high calorie intake. This is a review of the common micronutrient deficiencies, the risk factors for malnutrition, dietary plans, and the health consequences in children and adults with obesity in the U.S. Methods This clinical review of literature was performed on the MEDLINE (PubMed) search engine. A total of 1391 articles were identified and after review, a total of 130 were found to be most pertinent. Discussion The most common micronutrient deficiencies found in patients with obesity were vitamin A, thiamine (B1), folate (B9), cobalamin (B12), vitamin D, iron, calcium, and magnesium, especially prior and after bariatric surgery. Diets that produced the most weight reduction also further puts these individuals at risk for worsening malnutrition. Malnutrition and micronutrient deficiencies can worsen health outcomes if not properly managed. Conclusion Adequate screening and awareness of malnutrition can improve the health outcomes in patients with obesity. Physiologic changes in response to increased adiposity and inadequate intake increase this population's risk of adverse health effects. Malnutrition affects the individual and contributes to worse public health outcomes. The recommendations for screening for malnutrition are not exclusive to individuals undergoing bariatric procedures and can improve the health outcomes of any patient with obesity. However, clearly, improved nutritional status can assist with metabolism and prevent adverse nutritional outcomes post-bariatric surgery. Clinicians should advise on proper nutrition and be aware of diets that worsen deficiencies.
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Affiliation(s)
- Morgan Bradley
- Florida State University College of Medicine, 1115 W Call St, Tallahassee, FL, 32304, USA
| | - Julian Melchor
- Florida State University College of Medicine, 1115 W Call St, Tallahassee, FL, 32304, USA
| | - Rachel Carr
- Florida State University College of Medicine, 1115 W Call St, Tallahassee, FL, 32304, USA
| | - Sara Karjoo
- Florida State University College of Medicine, 1115 W Call St, Tallahassee, FL, 32304, USA
- Johns Hopkins All Children's Hospital, 601 5th St. S. Suite 605, St. Petersburg, FL, 33701, USA
- University of South Florida Morsani College of Medicine, 560 Channelside Drive MDD 54, Tampa, FL, 33602, USA
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Lange M, Nadkarni D, Martin L, Newberry C, Kumar S, Kushner T. Intermittent fasting improves hepatic end points in nonalcoholic fatty liver disease: A systematic review and meta-analysis. Hepatol Commun 2023; 7:e0212. [PMID: 37534936 PMCID: PMC10552959 DOI: 10.1097/hc9.0000000000000212] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/22/2023] [Accepted: 06/01/2023] [Indexed: 08/04/2023] Open
Abstract
BACKGROUND AND AIMS Despite NAFLD being the most prevalent liver disease globally, currently there are no FDA-approved treatments, and weight loss through caloric restriction and enhanced physical activity is the recommended treatment strategy. Intermittent fasting (IF) has been proposed as an alternative strategy with additional cardiometabolic benefits. In this systematic review and meta-analysis, we evaluated the anthropometric, biochemical, and hepatic impacts of IF in patients with NAFLD. METHODS MEDLINE, EMBASE, Cochrane Central, and conference abstracts were searched for IF interventions in adults with NAFLD until April 2, 2023. Meta-analysis with a random effects model was used to compare pre-intervention and post-intervention changes in anthropometric, biochemical, and hepatic end points in the IF intervention group with the control group. Publication bias was assessed using Egger's test. RESULTS Fourteen studies were included in the systematic review and ten in the meta-analysis (n = 840 participants, 44.64% male). Studies varied in modalities for NAFLD diagnosis, duration of IF (4-52 weeks), and type of IF (5:2 diet, modern alternate-day fasting, time-restricted eating, or religious fasting). Body weight, body mass index, and waist to hip ratio all significantly improved following fasting intervention (p< 0.05). Adults with NAFLD showed an improvement in serum alanine transaminase, aspartate aminotransferase, hepatic steatosis (controlled attenuation parameter measured by vibration-controlled transient elastography), and hepatic stiffness (measured by vibration-controlled transient elastography) after fasting intervention (p < 0.05). CONCLUSIONS There is limited, but moderate- to high-quality evidence to suggest that IF can improve hepatic end points and promote weight loss in adults with NAFLD. Larger randomized controlled studies with extended duration are needed to further validate our findings.
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Affiliation(s)
- Marcia Lange
- Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Devika Nadkarni
- Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Lily Martin
- Icahn School of Medicine at Mount Sinai, New York, New York, USA
| | - Carolyn Newberry
- Division of Gastroenterology and Hepatology, Weill Cornell Medical College, New York, New York, USA
| | - Sonal Kumar
- Division of Gastroenterology and Hepatology, Weill Cornell Medical College, New York, New York, USA
| | - Tatyana Kushner
- Division of Liver Diseases, Icahn School of Medicine at Mount Sinai, New York, New York, USA
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5
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A Skeletal Muscle-Centric View on Time-Restricted Feeding and Obesity under Various Metabolic Challenges in Humans and Animals. Int J Mol Sci 2022; 24:ijms24010422. [PMID: 36613864 PMCID: PMC9820735 DOI: 10.3390/ijms24010422] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2022] [Revised: 12/12/2022] [Accepted: 12/21/2022] [Indexed: 12/28/2022] Open
Abstract
Nearly 50% of adults will suffer from obesity in the U.S. by 2030. High obesity rates can lead to high economic and healthcare burdens in addition to elevated mortality rates and reduced health span in patients. Emerging data demonstrate that obesity is a multifactorial complex disease with various etiologies including aging, a lifestyle of chronic high-fat diets (HFD), genetic predispositions, and circadian disruption. Time-restricted feeding/eating (TRF; TRE in humans) is an intervention demonstrated by studies to show promise as an effective alternative therapy for ameliorating the effects of obesity and metabolic disease. New studies have recently suggested that TRF/TRE modulates the skeletal muscle which plays a crucial role in metabolism historically observed to be impaired under obesity. Here we discuss recent findings regarding potential mechanisms underlying TRF's modulation of skeletal muscle function, metabolism, and structure which may shed light on future research related to TRF as a solution to obesity.
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Petersen MC, Gallop MR, Flores Ramos S, Zarrinpar A, Broussard JL, Chondronikola M, Chaix A, Klein S. Complex physiology and clinical implications of time-restricted eating. Physiol Rev 2022; 102:1991-2034. [PMID: 35834774 PMCID: PMC9423781 DOI: 10.1152/physrev.00006.2022] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/01/2022] [Revised: 06/16/2022] [Accepted: 07/07/2022] [Indexed: 11/22/2022] Open
Abstract
Time-restricted eating (TRE) is a dietary intervention that limits food consumption to a specific time window each day. The effect of TRE on body weight and physiological functions has been extensively studied in rodent models, which have shown considerable therapeutic effects of TRE and important interactions among time of eating, circadian biology, and metabolic homeostasis. In contrast, it is difficult to make firm conclusions regarding the effect of TRE in people because of the heterogeneity in results, TRE regimens, and study populations. In this review, we 1) provide a background of the history of meal consumption in people and the normal physiology of eating and fasting; 2) discuss the interaction between circadian molecular metabolism and TRE; 3) integrate the results of preclinical and clinical studies that evaluated the effects of TRE on body weight and physiological functions; 4) summarize other time-related dietary interventions that have been studied in people; and 4) identify current gaps in knowledge and provide a framework for future research directions.
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Affiliation(s)
- Max C Petersen
- Center for Human Nutrition, Washington University School of Medicine, St. Louis, Missouri
- Division of Endocrinology, Metabolism, and Lipid Research, Washington University School of Medicine, St. Louis, Missouri
| | - Molly R Gallop
- Department of Nutrition and Integrative Physiology, University of Utah, Salt Lake City, Utah
| | - Stephany Flores Ramos
- Division of Gastroenterology, University of California, San Diego, La Jolla, California
| | - Amir Zarrinpar
- Division of Gastroenterology, University of California, San Diego, La Jolla, California
- Department of Veterans Affairs San Diego Health System, La Jolla, California
| | - Josiane L Broussard
- Division of Endocrinology, Metabolism, and Diabetes, School of Medicine, University of Colorado Anschutz Medical Campus, Aurora, Colorado
- Department of Health and Exercise Science, Colorado State University, Fort Collins, Colorado
| | - Maria Chondronikola
- Departments of Nutrition and Radiology, University of California, Davis, California
- Departments of Nutrition and Dietetics, Harokopio University of Athens, Kallithea, Greece
| | - Amandine Chaix
- Department of Nutrition and Integrative Physiology, University of Utah, Salt Lake City, Utah
| | - Samuel Klein
- Center for Human Nutrition, Washington University School of Medicine, St. Louis, Missouri
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7
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Yang M, Chen W, He L, Liu D, Zhao L, Wang X. Intermittent Fasting—A Healthy Dietary Pattern for Diabetic Nephropathy. Nutrients 2022; 14:nu14193995. [PMID: 36235648 PMCID: PMC9571963 DOI: 10.3390/nu14193995] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/15/2022] [Revised: 09/20/2022] [Accepted: 09/23/2022] [Indexed: 11/17/2022] Open
Abstract
Diabetic nephropathy (DN), a metabolic disease, is characterized by severe systemic metabolic disorders. A unique dietary pattern, such as intermittent fasting (IF) has shown promising protective effects on various metabolic diseases, such as diabetes and cardiovascular and nervous system diseases. However, its role in regulating kidney disease, especially in DN, is still being investigated. Here, we summarize the current research progress, highlighting the relationship between IF and the risk factors for the progression of DN, and discuss the potential mechanisms by which IF improves renal injury in DN. Finally, we propose IF as a potential strategy to prevent and delay DN progression. Abbreviation: DN: Diabetic nephropathy; IF: Intermittent fasting; CPT1A: Carnitine palmitoyltransferase 1A; L-FABP: Liver-type fatty acid-binding protein; STZ: Streptozotocin; LDL: Low-density lipoproteins; HIIT: High-intensity interval training; CKD: Chronic kidney disease; ACEI: Angiotensin-converting enzyme inhibitors; ARB: Angiotensin receptor blockers; MDA: Malondialdehyde; mtDNA: Mitochondrial DNA; UCP3: Uncoupling protein-3; MAM: Mitochondria-associated endoplasmic reticulum membrane; PBMCs: Peripheral blood mononuclear cells; ERK1/2: Extracellular signal-regulated kinase 1/2; DRP1: Dynamin-related protein 1; β-HB: β-Hydroxybutyrate; AcAc: Acetoacetate; GEO: Gene Expression Omnibus; NCBI: National Center for Biotechnology Information; mTORC1: Mechanistic target of rapamycin complex 1; HMGCS2: 3-Hydroxy-3-methylglutaryl-CoA synthase 2; GSK3β: Glycogen synthase kinase 3β; AKI: Acute kidney injury; CMA: Chaperone-mediated autophagy; FGF21: Fibroblast growth factor 21.
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Affiliation(s)
- Ming Yang
- Department of Nutrition, Xiangya Hospital, Central South University, Changsha 410008, China
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha 410011, China
| | - Wei Chen
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha 410011, China
| | - Liyu He
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha 410011, China
| | - Di Liu
- Department of Nephrology, The Second Xiangya Hospital of Central South University, Changsha 410011, China
| | - Li Zhao
- Department of Reproduction and Genetics, The First Affiliated Hospital of Kunming Medical University, Kunming 650032, China
| | - Xi Wang
- Department of Nutrition, Xiangya Hospital, Central South University, Changsha 410008, China
- National Clinical Research Center for Geriatric Disorders, Xiangya Hospital, Central South University, Changsha 410008, China
- Correspondence:
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Effects of 10-Day Complete Fasting on Physiological Homeostasis, Nutrition and Health Markers in Male Adults. Nutrients 2022; 14:nu14183860. [PMID: 36145236 PMCID: PMC9503095 DOI: 10.3390/nu14183860] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 09/12/2022] [Accepted: 09/14/2022] [Indexed: 11/28/2022] Open
Abstract
Fasting shows great potential in preventing chronic diseases and has to be surmounted under some extraordinary circumstances. This study aimed to investigate the safety, time effects of metabolic homeostasis and health indexes during prolonged fasting. Thirteen participants were recruited to conduct a 10-day complete fasting (CF) in a controlled health research building under medical supervision including 3-day Baseline (BL), 10-day CF, 4-day calorie restriction (CR) and 5-day full recovery (FR). Body healthy status was assessed by surveying pulse, blood pressure, body weight (BW), blood glucose and ketones, body composition and nutritional and biochemistry indexes at different times. BW declined about 7.28 kg (−9.8%) after 10-day CF, accompanied by increased pulse and decreased systolic blood pressure, but there were no changes to the myocardial enzymogram. Body composition analysis showed fat mass was constantly lost, but lean mass could recover after CR. The energy substrate switch from glucose to ketone occurred and formed a stable dynamic balance between 3–6 days of CF. The lipid metabolism presented increased total cholesterol, LDL-C, ApoA1 and almost no changes to TG and HDL-C. Prolonged CF did not influence liver function, but induced a slight decrease of kidney function. The interesting results came from the marked increase of lipid-soluble vitamins and a significant decrease of sodium and chlorine. Adults could well tol-erate a 10-day CF. A new metabolic homeostasis was achieved. No vitamins but NaCl supplement should be considered. These findings provide evidence to design a new fasting strategy for clinical practice.
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Shen J, Shan J, Zhong L, Liang B, Zhang D, Li M, Tang H. Dietary Phytochemicals that Can Extend Longevity by Regulation of Metabolism. PLANT FOODS FOR HUMAN NUTRITION (DORDRECHT, NETHERLANDS) 2022; 77:12-19. [PMID: 35025006 PMCID: PMC8756168 DOI: 10.1007/s11130-021-00946-z] [Citation(s) in RCA: 13] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Accepted: 12/15/2021] [Indexed: 06/14/2023]
Abstract
Diet provides energy and nutrition for human survival, and also provides various joy of taste. Extensive studies have shown that the major components of diet, such as protein, carbohydrate and fat, play important roles in regulating aging and longevity. Whether other dietary ingredients can help prevent aging and extend longevity is a very interesting question. Here based on recent findings, we discussed dietary plant ingredients that can extend longevity by regulation of metabolism, targeting TRP channels, mitophagy, senescence pathways and circadian rhythms. Better understanding of the detailed effects and mechanisms of dietary ingredients on longevity regulation, would be helpful for developing new intervention tools for preventing aging and aging related diseases.
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Affiliation(s)
- Jie Shen
- Department of Biomedical Engineering, College of Artificial Intelligence, Hangzhou Dianzi University, Hangzhou, 310018, China.
| | - Jianying Shan
- Department of Biomedical Engineering, College of Artificial Intelligence, Hangzhou Dianzi University, Hangzhou, 310018, China
| | - Lichao Zhong
- Department of Biomedical Engineering, College of Artificial Intelligence, Hangzhou Dianzi University, Hangzhou, 310018, China
| | - Boying Liang
- Department of Biomedical Engineering, College of Artificial Intelligence, Hangzhou Dianzi University, Hangzhou, 310018, China
| | - Dake Zhang
- Department of Biomedical Engineering, College of Artificial Intelligence, Hangzhou Dianzi University, Hangzhou, 310018, China
| | - Motao Li
- Department of Optoelectronic Information Science and Engineering, College of Science, Hangzhou Dianzi University, Hangzhou, 310018, China
| | - Hao Tang
- Department of Biomedical Engineering, College of Artificial Intelligence, Hangzhou Dianzi University, Hangzhou, 310018, China
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10
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Altayyar M, Nasser JA, Thomopoulos D, Bruneau M. The Implication of Physiological Ketosis on The Cognitive Brain: A Narrative Review. Nutrients 2022; 14:nu14030513. [PMID: 35276871 PMCID: PMC8840718 DOI: 10.3390/nu14030513] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2021] [Revised: 01/21/2022] [Accepted: 01/23/2022] [Indexed: 01/27/2023] Open
Abstract
Optimal cognitive functions are necessary for activities of daily living and self-independence. Cognitive abilities are acquired during early childhood as part of progressive neurodevelopmental milestones; unfortunately, regressive changes can occur as part of physiological aging, or more ominously, pathological diseases, such as Alzheimer’s disease (AD). Cases of AD and its milder subset, mild cognitive impairment (MCI), are rising and would impose a burdensome impact beyond the individual level. Various dietary and nutritional approaches have potential for promising results in managing cognitive deterioration. Glucose is the core source of bioenergy in the body; however, glucose brain metabolism could be affected in aging cells or due to disease development. Ketone bodies are an efficient alternate fuel source that could compensate for the deficient glycolytic metabolism upon their supra-physiologic availability in the blood (ketosis), which, in turn, could promote cognitive benefits and tackle disease progression. In this review, we describe the potential of ketogenic approaches to produce cognitive benefits in healthy individuals, as well as those with MCI and AD. Neurophysiological changes of the cognitive brain in response to ketosis through neuroimaging modalities are also described in this review to provide insight into the ketogenic effect on the brain outside the framework of purely molecular explanations.
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Affiliation(s)
- Mansour Altayyar
- Department of Nutrition Sciences, Drexel University, 1601 Cherry Street, Philadelphia, PA 19102, USA; (J.A.N.); (D.T.)
- Correspondence:
| | - Jennifer A. Nasser
- Department of Nutrition Sciences, Drexel University, 1601 Cherry Street, Philadelphia, PA 19102, USA; (J.A.N.); (D.T.)
| | - Dimitra Thomopoulos
- Department of Nutrition Sciences, Drexel University, 1601 Cherry Street, Philadelphia, PA 19102, USA; (J.A.N.); (D.T.)
| | - Michael Bruneau
- Department of Health Science, Drexel University, 1601 Cherry Street, Philadelphia, PA 19102, USA;
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11
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Katsi V, Papakonstantinou IP, Soulaidopoulos S, Katsiki N, Tsioufis K. Chrononutrition in Cardiometabolic Health. J Clin Med 2022; 11:jcm11020296. [PMID: 35053991 PMCID: PMC8780356 DOI: 10.3390/jcm11020296] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Revised: 12/31/2021] [Accepted: 01/04/2022] [Indexed: 12/11/2022] Open
Abstract
In recent years, a healthy balanced diet together with weight reduction has risen to the forefront of minimizing the impact of cardiovascular disease. There is evidence that metabolic processes present circadian rhythmicity. Moreover, the timing of food consumption exerts a powerful influence on circadian rhythms. In this context, the subject of chrononutrition, described as the alignment of timing of food intake to the rhythms imposed by the circadian clock, has attracted considerable interest for possible beneficial effects on cardiovascular health. Current human studies suggest that chrononutrition-based dietary interventions could reduce the risk for cardiovascular disease by improving weight control, hypertension, dyslipidemia, and diabetes. However, meta-analysis of randomized control trials in this topic present varying and somehow conflicting results. Even the traditional association of breakfast skipping with adverse cardiovascular outcomes is nowadays controversial. Therefore, long-term and fairly consistent studies on the effect of chrononutrition on cardiovascular outcomes are needed. The purpose of this review is to provide concise evidence of the most recent literature involving the effects of chrononutrition and the specific chrononutrition-based dietary interventions, in particular time-restricted eating, on body weight and other cardiovascular disease risk factors.
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Affiliation(s)
- Vasiliki Katsi
- Cardiology Department, School of Medicine, Hippokration General Hospital, National and Kapodistrian University of Athens, 157 72 Athens, Greece; (V.K.); (K.T.)
| | | | - Stergios Soulaidopoulos
- Cardiology Department, School of Medicine, Hippokration General Hospital, National and Kapodistrian University of Athens, 157 72 Athens, Greece; (V.K.); (K.T.)
- Correspondence: ; Tel.: +30-693-2528-561 or +30-210-933-9076
| | - Niki Katsiki
- First Department of Internal Medicine, Medical School, AHEPA Hospital, Aristotle University of Thessaloniki, 541 24 Thessaloniki, Greece;
| | - Konstantinos Tsioufis
- Cardiology Department, School of Medicine, Hippokration General Hospital, National and Kapodistrian University of Athens, 157 72 Athens, Greece; (V.K.); (K.T.)
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12
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Joaquim L, Faria A, Loureiro H, Matafome P. Benefits, mechanisms, and risks of intermittent fasting in metabolic syndrome and type 2 diabetes. J Physiol Biochem 2022; 78:295-305. [PMID: 34985730 DOI: 10.1007/s13105-021-00839-4] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2021] [Accepted: 08/18/2021] [Indexed: 10/19/2022]
Abstract
One of the emergent nutritional strategies for improving multiple features of cardiometabolic diseases is the practice of intermittent fasting (IF), which consists of alternating periods of eating and fasting. IF can reduce circulating glucose and insulin levels, fat mass, and the risk of developing age-related pathologies. IF appears to upregulate evolution-conserved adaptive cellular responses, such as stress-response pathways, autophagy, and mitochondrial function. IF was also observed to modulate the circadian rhythms of hormones like insulin or leptin, among others, which levels change in conditions of food abundance and deficit. However, some contradictory results regarding the duration of the interventions and the anterior metabolic status of the participants suggest that more and longer studies are needed in order to draw conclusions. This review summarizes the current knowledge regarding the role of IF in the modulation of mechanisms involved in type 2 diabetes, as well as the risks.
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Affiliation(s)
- Lisandra Joaquim
- Instituto Politécnico de Coimbra, Coimbra Health School (ESTeSC), Coimbra, Portugal
| | - Ana Faria
- Instituto Politécnico de Coimbra, Coimbra Health School (ESTeSC), Coimbra, Portugal
| | - Helena Loureiro
- Instituto Politécnico de Coimbra, Coimbra Health School (ESTeSC), Coimbra, Portugal
| | - Paulo Matafome
- Instituto Politécnico de Coimbra, Coimbra Health School (ESTeSC), Coimbra, Portugal.
- Institute of Clinical and Biomedical Research (iCBR), Faculty of Medicine, University of Coimbra, Subunit 1, 1st floor, Azinhaga de Santa Comba, Celas, 3000-354, Coimbra, Portugal.
- Centre for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, Coimbra, Portugal.
- Clinical Academic Center, Coimbra, Portugal.
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13
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Ao DZ, Xu Y, Sun X, Zhang W, Yuan Y. Alternate-Day High Fat-Normal Chow Diet Ameliorates HFD-Induced Obesity and Restores Intestinal Immunity. Diabetes Metab Syndr Obes 2022; 15:3843-3853. [PMID: 36530586 PMCID: PMC9756961 DOI: 10.2147/dmso.s392372] [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: 10/05/2022] [Accepted: 12/02/2022] [Indexed: 12/14/2022] Open
Abstract
PURPOSE To investigate the effect of alternating-day diet regimens on high-fat diet-induced metabolic disorders in mice. MATERIALS AND METHODS Eight-week-old C57BL/6J mice were fed with either a continuous normal chow diet (CD, n = 10), a continuous high-fat diet (HFD, n = 10), HFD alternating every 24 h with fasting (H-ADF, n = 20), or HFD alternating every 24 h with chow diet (H-ADC, n = 20) for 12 weeks. Weights were recorded weekly and oral glucose tolerance tests were performed 6 weeks after initiating the regimens. At the end of the study, blood samples were collected and serum insulin and lipids were measured; tissues were collected for histology and RNA-seq analysis. RESULTS HFD significantly increased body weight and fat percentage, while HFD alternating with fasting or CD did not significantly affect body weight and fat percentage. The glucose intolerance induced by HFD was also significantly ameliorated in these two diet intervention groups. HFD-induced elevation of total cholesterol, low-density lipoprotein and insulin were also reduced in H-ADF and H-ADC groups. Moreover, HFD-disturbed immunity, presented by Lysozyme C-1 (Lyz1) immunostaining and RNA-seq, was restored in both alternating-regimen groups, especially, with H-ADC. At the transcriptional level, some cell proliferation and lipid absorption pathways were down-regulated in both H-ADF and H-ADC groups compared to the continuous HFD group. CONCLUSION Alternating an HFD with a normal diet every 24 h effectively controls weight and prevents metabolic disorders and may act by affecting both fat absorption and intestinal immunity.
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Affiliation(s)
- Drake Z Ao
- The Affiliated High School of Peking University, Beijing, 100086, People’s Republic of China
| | - Yihua Xu
- Institute of Molecular Medicine, College of Future Technology, Peking University, Beijing, 100871, People’s Republic of China
| | - Xueting Sun
- Institute of Molecular Medicine, College of Future Technology, Peking University, Beijing, 100871, People’s Republic of China
| | - Weibo Zhang
- The Affiliated High School of Peking University, Beijing, 100086, People’s Republic of China
- Weibo Zhang, The Affiliated High School of Peking University, Beijing, 100086, People’s Republic of China, Email
| | - Ye Yuan
- Institute of Molecular Medicine, College of Future Technology, Peking University, Beijing, 100871, People’s Republic of China
- Correspondence: Ye Yuan, Institute of Molecular Medicine, College of Future Technology, Peking University, Beijing, 100871, People’s Republic of China, Email
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Abstract
PURPOSE OF REVIEW The practice of time-restricted feeding (TRF) has received fervent interest in recent years as a strategy to mitigate obesity and metabolic disease. We sought to review the implications of TRF for skeletal muscle health and function in aging. RECENT FINDINGS TRF has high adherence and can promote body weight loss in older populations. Body weight reductions favor fat mass in the young, however, there is also the potential for undesirable losses in lean mass. There is currently no evidence to support TRF for skeletal muscle function and metabolism in older persons, and only tentative findings in the young. With a narrow eating window of 6-8 h and a prolonged fasting period to minimize daily insulin exposure, TRF may contradict recommended dietary practices for optimizing skeletal muscle anabolism in older people. SUMMARY TRF might represent a promising intervention to address obesity and its associated metabolic diseases, however, at present there is insufficient evidence for optimizing skeletal muscle mass or health in older individuals. Further research is needed to: (1) ascertain the impact of TRF on body composition, skeletal muscle anabolism, and autophagy in aging, and; (2) delineate the potentially myoprotective roles of dietary protein and exercise within the framework of TRF in older persons.
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Affiliation(s)
- Matthew J Lees
- Faculty of Kinesiology and Physical Education, University of Toronto, Toronto, Ontario, Canada
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15
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Meal Timing and Glycemic Control during Pregnancy-Is There a Link? Nutrients 2021; 13:nu13103379. [PMID: 34684381 PMCID: PMC8540614 DOI: 10.3390/nu13103379] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/30/2021] [Revised: 09/08/2021] [Accepted: 09/22/2021] [Indexed: 02/06/2023] Open
Abstract
Hyperglycemia during pregnancy and gestational diabetes mellitus (GDM) constitute an important public health problem due to their prevalence and long-term health consequences both for the mother and offspring. Results from studies in rodents and some clinical investigations suggest that meal time manipulation may be a potential lifestyle approach against conditions involving perturbations in glucose homeostasis (e.g., hyperglycemia, insulin resistance, diabetes, etc.). The purpose of this review is to summarize and critically evaluate the current literature on the role of meal timing and daily nutrient distribution on glycemic control during pregnancy. Only a small number of mostly observational studies have assessed the role of meal timing in glucose homeostasis during pregnancy. Food consumption earlier in the day and short-term fasting with adequate nutrient intake may improve glycemic control during the second and third trimester of gestation. Considering that the field of chrononutrition is still in its infancy and many questions remain unanswered, future prospective and carefully designed studies are needed to better understand the role of meal timing in metabolic homeostasis and maternal and fetal health outcomes during pregnancy.
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16
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Veldscholte K, Cramer ABG, Joosten KFM, Verbruggen SCAT. Intermittent fasting in paediatric critical illness: The properties and potential beneficial effects of an overnight fast in the PICU. Clin Nutr 2021; 40:5122-5132. [PMID: 34461586 DOI: 10.1016/j.clnu.2021.07.030] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2021] [Revised: 07/21/2021] [Accepted: 07/26/2021] [Indexed: 12/30/2022]
Abstract
Although evidence for the superiority of continuous feeding over intermittent feeding is lacking, in most paediatric intensive care units (PICU) artificial feeding is administered continuously for 24 h per day. Until now, studies in PICU on intermittent feeding have primarily focused on surrogate endpoints such as nutritional intake and gastro-intestinal complaints and none have studied the effects of an extended fasting period. Intermittent fasting has been proven to have many health benefits in both animal and human studies. The observed beneficial effects are based on multiple metabolic and endocrine changes that are presumed crucial in critical illness as well. One key element is the transition to ketone body metabolism, which, among others, contributes to the stimulation of several cellular pathways involved in stress resistance (neuro)plasticity and mitochondrial biogenesis, and might help preserve brain function. Secondly, the fasting state stimulates the activation of autophagy, a process that is crucial for cellular function and integrity. Of the different intermittent fasting strategies investigated, time-restricted feeding with a daily extended fasting period appears most feasible in the PICU. Moreover, planning the fasting period overnight could help maintain the circadian rhythm. Although not investigated, such an overnight intermittent fasting strategy might improve the metabolic profile, feeding tolerance and perhaps even have beneficial effects on tissue repair, reperfusion injury, muscle weakness, and the immune response. Future studies should investigate practical implications in critically ill children and the optimal duration of the fasting periods, which might be affected by the severity of illness and by age.
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Affiliation(s)
- Karlien Veldscholte
- Intensive Care Unit, Department of Paediatrics and Paediatric Surgery, Erasmus Medical Centre, Sophia Children's Hospital, Rotterdam, the Netherlands
| | - Arnout B G Cramer
- Intensive Care Unit, Department of Paediatrics and Paediatric Surgery, Erasmus Medical Centre, Sophia Children's Hospital, Rotterdam, the Netherlands
| | - Koen F M Joosten
- Intensive Care Unit, Department of Paediatrics and Paediatric Surgery, Erasmus Medical Centre, Sophia Children's Hospital, Rotterdam, the Netherlands
| | - Sascha C A T Verbruggen
- Intensive Care Unit, Department of Paediatrics and Paediatric Surgery, Erasmus Medical Centre, Sophia Children's Hospital, Rotterdam, the Netherlands.
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Huda MN, Kim M, Bennett BJ. Modulating the Microbiota as a Therapeutic Intervention for Type 2 Diabetes. Front Endocrinol (Lausanne) 2021; 12:632335. [PMID: 33897618 PMCID: PMC8060771 DOI: 10.3389/fendo.2021.632335] [Citation(s) in RCA: 62] [Impact Index Per Article: 20.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 11/23/2020] [Accepted: 02/04/2021] [Indexed: 12/20/2022] Open
Abstract
Mounting evidence suggested that the gut microbiota has a significant role in the metabolism and disease status of the host. In particular, Type 2 Diabetes (T2D), which has a complex etiology that includes obesity and chronic low-grade inflammation, is modulated by the gut microbiota and microbial metabolites. Current literature supports that unbalanced gut microbial composition (dysbiosis) is a risk factor for T2D. In this review, we critically summarize the recent findings regarding the role of gut microbiota in T2D. Beyond these associative studies, we focus on the causal relationship between microbiota and T2D established using fecal microbiota transplantation (FMT) or probiotic supplementation, and the potential underlying mechanisms such as byproducts of microbial metabolism. These microbial metabolites are small molecules that establish communication between microbiota and host cells. We critically summarize the associations between T2D and microbial metabolites such as short-chain fatty acids (SCFAs) and trimethylamine N-Oxide (TMAO). Additionally, we comment on how host genetic architecture and the epigenome influence the microbial composition and thus how the gut microbiota may explain part of the missing heritability of T2D found by GWAS analysis. We also discuss future directions in this field and how approaches such as FMT, prebiotics, and probiotics supplementation are being considered as potential therapeutics for T2D.
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Affiliation(s)
- M. Nazmul Huda
- Department of Nutrition, University of California Davis, Davis, CA, United States
- Obesity and Metabolism Research Unit, United States Department of Agriculture (USDA), Agricultural Research Service (ARS), Western Human Nutrition Research Center, Davis, CA, United States
| | - Myungsuk Kim
- Department of Nutrition, University of California Davis, Davis, CA, United States
- Obesity and Metabolism Research Unit, United States Department of Agriculture (USDA), Agricultural Research Service (ARS), Western Human Nutrition Research Center, Davis, CA, United States
| | - Brian J. Bennett
- Department of Nutrition, University of California Davis, Davis, CA, United States
- Obesity and Metabolism Research Unit, United States Department of Agriculture (USDA), Agricultural Research Service (ARS), Western Human Nutrition Research Center, Davis, CA, United States
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