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Lu X, Ma R, Zhan J, Pan X, Liu C, Zhang S, Tian Y. Effect of dietary intake of advanced glycation end products on biomarkers of type 2 diabetes: a systematic review and meta-analysis. Crit Rev Food Sci Nutr 2024:1-10. [PMID: 39320860 DOI: 10.1080/10408398.2024.2407894] [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: 09/26/2024]
Abstract
Thermal treatment of food may undergo Maillard reactions and produce harmful substances, e.g., advanced glycation end products (AGEs). Current studies show different results about the effects of dietary AGE intake on the biomarkers of type 2 diabetes mellitus (T2DM). Therefore, this work conducted a systematic review and meta-analysis to explore the effect of dietary AGE intake on the biomarkers of T2DM, the available evidence, and the bias of this evidence. This meta-analysis focused on the association between high AGE intake and fasting plasma glucose, fasting plasma insulin, HbA1c, and HOMA-IR. Thirteen parallel studies and 4 randomized crossover studies were finally included. In the pooled analysis, fasting glucose (SMD: 0.98; 95% CI: 0.23, 1.73; p = .011), fasting insulin (SMD: 1.44; 95% CI: 0.63, 2.25; p < .01), and HOMA-IR (SMD: 1.47; 95% CI: 0.59, 2.34; p < .01) significantly increased after dietary intake with high AGEs. In the subgroup analyses, high-AGE diets and healthy participants were associated with changes in the biomarkers of T2DM. Taken together, the intake of high dietary AGE was related to the development of T2DM.
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Affiliation(s)
- Xiaoxue Lu
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Rongrong Ma
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Jinling Zhan
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, China
- National Engineering Research Center of Cereal Fermentation and Food Biomanufacturing, Jiangnan University, Wuxi, China
| | - Xiaohua Pan
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Chang Liu
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Shuang Zhang
- Analysis and Testing Center, Jiangnan University, Wuxi, China
| | - Yaoqi Tian
- State Key Laboratory of Food Science and Resources, Jiangnan University, Wuxi, China
- School of Food Science and Technology, Jiangnan University, Wuxi, China
- Analysis and Testing Center, Jiangnan University, Wuxi, China
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Ali MM, Parveen S, Williams V, Dons R, Uwaifo GI. Cardiometabolic comorbidities and complications of obesity and chronic kidney disease (CKD). J Clin Transl Endocrinol 2024; 36:100341. [PMID: 38616864 PMCID: PMC11015524 DOI: 10.1016/j.jcte.2024.100341] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2024] [Revised: 03/28/2024] [Accepted: 03/29/2024] [Indexed: 04/16/2024] Open
Abstract
Obesity and chronic kidney disease are two ongoing progressive clinical pandemics of major public health and clinical care significance. Because of their growing prevalence, chronic indolent course and consequent complications both these conditions place significant burden on the health care delivery system especially in developed countries like the United States. Beyond the chance coexistence of both of these conditions in the same patient based on high prevalence it is now apparent that obesity is associated with and likely has a direct causal role in the onset, progression and severity of chronic kidney disease. The causes and underlying pathophysiology of this are myriad, complicated and multi-faceted. In this review, continuing the theme of this special edition of the journal on " The Cross roads between Endocrinology and Nephrology" we review the epidemiology of obesity related chronic kidney disease (ORCKD), and its various underlying causes and pathophysiology. In addition, we delve into the consequent comorbidities and complications associated with ORCKD with particular emphasis on the cardio metabolic consequences and then review the current body of evidence for available strategies for chronic kidney disease modulation in ORCKD as well as the potential unique role of weight reduction and management strategies in its improvement and risk reduction.
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Affiliation(s)
- Mariam M. Ali
- Southern Illinois School of Medicine, Department of Medicine, Section of Endocrinology, Diabetes and Metabolism, 751 North Rutledge Street, Moy Building, Suite 1700, Springfield, Il 62702, United States
| | - Sanober Parveen
- Southern Illinois School of Medicine, Department of Medicine, Section of Endocrinology, Diabetes and Metabolism, 751 North Rutledge Street, Moy Building, Suite 1700, Springfield, Il 62702, United States
| | - Vanessa Williams
- Southern Illinois School of Medicine, Department of Medicine, Section of Endocrinology, Diabetes and Metabolism, 751 North Rutledge Street, Moy Building, Suite 1700, Springfield, Il 62702, United States
| | - Robert Dons
- Southern Illinois School of Medicine, Department of Medicine, Section of Endocrinology, Diabetes and Metabolism, 751 North Rutledge Street, Moy Building, Suite 1700, Springfield, Il 62702, United States
| | - Gabriel I. Uwaifo
- Section of Endocrinology, Dept of Medicine, SIU School of Medicine, 751 N Rutledge St, Moy Building, Suite 1700, Room #1813, Springfield, Il 62702, United States
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3
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Zhu J, Wang Z, Lv C, Li M, Wang K, Chen Z. Advanced Glycation End Products and Health: A Systematic Review. Ann Biomed Eng 2024:10.1007/s10439-024-03499-9. [PMID: 38705931 DOI: 10.1007/s10439-024-03499-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Accepted: 03/19/2024] [Indexed: 05/07/2024]
Abstract
Advanced glycation end products (AGEs) have garnered significant attention due to their association with chronic diseases and the aging process. The prevalence of geriatric diseases among young individuals has witnessed a notable surge in recent years, potentially attributed to the accelerated pace of modern life. The accumulation of AGEs is primarily attributed to their inherent difficulty in metabolism, which makes them promising biomarkers for chronic disease detection. This review aims to provide a comprehensive overview of the recent advancements and findings in AGE research. The discussion is divided into two main sections: endogenous AGEs (formed within the body) and exogenous AGEs (derived from external sources). Various aspects of AGEs are subsequently summarized, including their production pathways, pathogenic mechanisms, and detection methods. Moreover, this review delves into the future research prospects concerning AGEs. Overall, this comprehensive review underscores the importance of AGEs in the detection of chronic diseases and provides a thorough understanding of their significance. It emphasizes the necessity for further research endeavors to deepen our comprehension of AGEs and their implications for human health.
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Affiliation(s)
- Jianming Zhu
- School of Life and Environmental Sciences, Guilin University of Electronic Technology, Guilin, 541004, China
- Guangxi Key Laboratory of Automatic Detecting Technology and Instruments, Guilin University of Electronic Technology, Guilin, China
| | - Ziming Wang
- School of Life and Environmental Sciences, Guilin University of Electronic Technology, Guilin, 541004, China
| | - Chunyan Lv
- School of Life and Environmental Sciences, Guilin University of Electronic Technology, Guilin, 541004, China
| | - Mengtian Li
- School of Life and Environmental Sciences, Guilin University of Electronic Technology, Guilin, 541004, China
| | - Kaiyi Wang
- School of Life and Environmental Sciences, Guilin University of Electronic Technology, Guilin, 541004, China
| | - Zhencheng Chen
- School of Life and Environmental Sciences, Guilin University of Electronic Technology, Guilin, 541004, China.
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Sourris KC, Ding Y, Maxwell SS, Al-Sharea A, Kantharidis P, Mohan M, Rosado CJ, Penfold SA, Haase C, Xu Y, Forbes JM, Crawford S, Ramm G, Harcourt BE, Jandeleit-Dahm K, Advani A, Murphy AJ, Timmermann DB, Karihaloo A, Knudsen LB, El-Osta A, Drucker DJ, Cooper ME, Coughlan MT. Glucagon-like peptide-1 receptor signaling modifies the extent of diabetic kidney disease through dampening the receptor for advanced glycation end products-induced inflammation. Kidney Int 2024; 105:132-149. [PMID: 38069998 DOI: 10.1016/j.kint.2023.09.029] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2023] [Revised: 09/16/2023] [Accepted: 09/25/2023] [Indexed: 01/07/2024]
Abstract
Glucagon like peptide-1 (GLP-1) is a hormone produced and released by cells of the gastrointestinal tract following meal ingestion. GLP-1 receptor agonists (GLP-1RA) exhibit kidney-protective actions through poorly understood mechanisms. Here we interrogated whether the receptor for advanced glycation end products (RAGE) plays a role in mediating the actions of GLP-1 on inflammation and diabetic kidney disease. Mice with deletion of the GLP-1 receptor displayed an abnormal kidney phenotype that was accelerated by diabetes and improved with co-deletion of RAGE in vivo. Activation of the GLP-1 receptor pathway with liraglutide, an anti-diabetic treatment, downregulated kidney RAGE, reduced the expansion of bone marrow myeloid progenitors, promoted M2-like macrophage polarization and lessened markers of kidney damage in diabetic mice. Single cell transcriptomics revealed that liraglutide induced distinct transcriptional changes in kidney endothelial, proximal tubular, podocyte and macrophage cells, which were dominated by pathways involved in nutrient transport and utilization, redox sensing and the resolution of inflammation. The kidney-protective action of liraglutide was corroborated in a non-diabetic model of chronic kidney disease, the subtotal nephrectomised rat. Thus, our findings identify a novel glucose-independent kidney-protective action of GLP-1-based therapies in diabetic kidney disease and provide a valuable resource for exploring the cell-specific kidney transcriptional response ensuing from pharmacological GLP-1R agonism.
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Affiliation(s)
- Karly C Sourris
- Department of Diabetes, Monash University, Central Clinical School, Alfred Research Alliance, Melbourne, Victoria, Australia; Diabetes Complications Division, Baker Heart & Diabetes Institute, Melbourne, Victoria, Australia.
| | - Yi Ding
- Diabetes Complications Division, Baker Heart & Diabetes Institute, Melbourne, Victoria, Australia; Diabetes Complications Research, Novo Nordisk, Måløv, Denmark
| | - Scott S Maxwell
- Epigenetics in Human Health and Disease Program, Baker Heart & Diabetes Institute, Melbourne, Victoria, Australia
| | - Annas Al-Sharea
- Haematopoiesis and Leukocyte Biology, Division of Immunometabolism, Baker Heart & Diabetes Institute, Melbourne, Victoria, Australia
| | - Phillip Kantharidis
- Department of Diabetes, Monash University, Central Clinical School, Alfred Research Alliance, Melbourne, Victoria, Australia
| | - Muthukumar Mohan
- Department of Diabetes, Monash University, Central Clinical School, Alfred Research Alliance, Melbourne, Victoria, Australia
| | - Carlos J Rosado
- Department of Diabetes, Monash University, Central Clinical School, Alfred Research Alliance, Melbourne, Victoria, Australia
| | - Sally A Penfold
- Diabetes Complications Division, Baker Heart & Diabetes Institute, Melbourne, Victoria, Australia
| | - Claus Haase
- Diabetes Complications Research, Novo Nordisk, Måløv, Denmark
| | - Yangsong Xu
- Haematopoiesis and Leukocyte Biology, Division of Immunometabolism, Baker Heart & Diabetes Institute, Melbourne, Victoria, Australia
| | - Josephine M Forbes
- Mater Research Institute, the University of Queensland, Translational Research Institute, Woolloongabba, Queensland, Australia
| | - Simon Crawford
- Monash Ramaciotti Centre for Cryo Electron Microscopy, Monash University, Clayton, Victoria, Australia
| | - Georg Ramm
- Monash Ramaciotti Centre for Cryo Electron Microscopy, Monash University, Clayton, Victoria, Australia
| | - Brooke E Harcourt
- Murdoch Research Institute, Royal Children's Hospital, Melbourne, Victoria, Australia
| | - Karin Jandeleit-Dahm
- Department of Diabetes, Monash University, Central Clinical School, Alfred Research Alliance, Melbourne, Victoria, Australia
| | - Andrew Advani
- Keenan Research Centre for Biomedical Science and Li Ka Shing Knowledge Institute, St. Michaels Hospital, Toronto, Ontario, Canada
| | - Andrew J Murphy
- Haematopoiesis and Leukocyte Biology, Division of Immunometabolism, Baker Heart & Diabetes Institute, Melbourne, Victoria, Australia
| | | | - Anil Karihaloo
- Novo Nordisk Research Center Seattle, Inc., Seattle, Washington, USA
| | | | - Assam El-Osta
- Epigenetics in Human Health and Disease Program, Baker Heart & Diabetes Institute, Melbourne, Victoria, Australia
| | - Daniel J Drucker
- Department of Medicine, Lunenfeld-Tanenbaum Research Institute, Mt. Sinai Hospital, University of Toronto, Toronto, Ontario, Canada
| | - Mark E Cooper
- Department of Diabetes, Monash University, Central Clinical School, Alfred Research Alliance, Melbourne, Victoria, Australia
| | - Melinda T Coughlan
- Department of Diabetes, Monash University, Central Clinical School, Alfred Research Alliance, Melbourne, Victoria, Australia; Diabetes Complications Division, Baker Heart & Diabetes Institute, Melbourne, Victoria, Australia; Drug Discovery Biology, Monash Institute of Pharmaceutical Sciences, Monash University Parkville Campus, Parkville, Victoria, Australia.
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Dobrucki IT, Miskalis A, Nelappana M, Applegate C, Wozniak M, Czerwinski A, Kalinowski L, Dobrucki LW. Receptor for advanced glycation end-products: Biological significance and imaging applications. WILEY INTERDISCIPLINARY REVIEWS. NANOMEDICINE AND NANOBIOTECHNOLOGY 2024; 16:e1935. [PMID: 37926944 DOI: 10.1002/wnan.1935] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/19/2023] [Revised: 09/25/2023] [Accepted: 10/09/2023] [Indexed: 11/07/2023]
Abstract
The receptor for advanced glycation end-products (RAGE or AGER) is a transmembrane, immunoglobulin-like receptor that, due to its multiple isoform structures, binds to a diverse range of endo- and exogenous ligands. RAGE activation caused by the ligand binding initiates a cascade of complex pathways associated with producing free radicals, such as reactive nitric oxide and oxygen species, cell proliferation, and immunoinflammatory processes. The involvement of RAGE in the pathogenesis of disorders such as diabetes, inflammation, tumor progression, and endothelial dysfunction is dictated by the accumulation of advanced glycation end-products (AGEs) at pathologic states leading to sustained RAGE upregulation. The involvement of RAGE and its ligands in numerous pathologies and diseases makes RAGE an interesting target for therapy focused on the modulation of both RAGE expression or activation and the production or exogenous administration of AGEs. Despite the known role that the RAGE/AGE axis plays in multiple disease states, there remains an urgent need to develop noninvasive, molecular imaging approaches that can accurately quantify RAGE levels in vivo that will aid in the validation of RAGE and its ligands as biomarkers and therapeutic targets. This article is categorized under: Diagnostic Tools > In Vivo Nanodiagnostics and Imaging Diagnostic Tools > Biosensing.
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Affiliation(s)
- Iwona T Dobrucki
- Department of Bioengineering, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
- Beckman Institute for Advanced Science and Technology, Urbana, Illinois, USA
- Department of Biomedical and Translational Sciences, Carle-Illinois College of Medicine, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
- Academy of Medical and Social Applied Sciences, Elblag, Poland
| | - Angelo Miskalis
- Department of Bioengineering, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
| | - Michael Nelappana
- Department of Bioengineering, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
- Beckman Institute for Advanced Science and Technology, Urbana, Illinois, USA
| | - Catherine Applegate
- Beckman Institute for Advanced Science and Technology, Urbana, Illinois, USA
- Cancer Center at Illinois, Urbana, Illinois, USA
| | - Marcin Wozniak
- Beckman Institute for Advanced Science and Technology, Urbana, Illinois, USA
- Division of Medical Laboratory Diagnostics-Fahrenheit Biobank BBMRI.pl, Medical University of Gdansk, Gdansk, Poland
| | - Andrzej Czerwinski
- Beckman Institute for Advanced Science and Technology, Urbana, Illinois, USA
| | - Leszek Kalinowski
- Beckman Institute for Advanced Science and Technology, Urbana, Illinois, USA
- Division of Medical Laboratory Diagnostics-Fahrenheit Biobank BBMRI.pl, Medical University of Gdansk, Gdansk, Poland
- BioTechMed Centre, Department of Mechanics of Materials and Structures, Gdansk University of Technology, Gdansk, Poland
| | - Lawrence W Dobrucki
- Department of Bioengineering, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
- Beckman Institute for Advanced Science and Technology, Urbana, Illinois, USA
- Department of Biomedical and Translational Sciences, Carle-Illinois College of Medicine, University of Illinois at Urbana-Champaign, Urbana, Illinois, USA
- Cancer Center at Illinois, Urbana, Illinois, USA
- Division of Medical Laboratory Diagnostics-Fahrenheit Biobank BBMRI.pl, Medical University of Gdansk, Gdansk, Poland
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6
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Kim Y. Blood and Tissue Advanced Glycation End Products as Determinants of Cardiometabolic Disorders Focusing on Human Studies. Nutrients 2023; 15:nu15082002. [PMID: 37111220 PMCID: PMC10144557 DOI: 10.3390/nu15082002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/04/2023] [Revised: 04/18/2023] [Accepted: 04/20/2023] [Indexed: 04/29/2023] Open
Abstract
Cardiometabolic disorders are characterised by a cluster of interactive risk determinants such as increases in blood glucose, lipids and body weight, as well as elevated inflammation and oxidative stress and gut microbiome changes. These disorders are associated with onset of type 2 diabetes mellitus (T2DM) and cardiovascular disease (CVD). T2DM is strongly associated with CVD. Dietary advanced glycation end products (dAGEs) attributable from modern diets high in sugar and/or fat, highly processed foods and high heat-treated foods can contribute to metabolic etiologies of cardiometabolic disorders. This mini review aims to determine whether blood dAGEs levels and tissue dAGEs levels are determinants of the prevalence of cardiometabolic disorders through recent human studies. ELISA (enzyme-linked immunosorbent assay), high-performance liquid chromatography (HPLC), liquid chromatography-mass spectrometry (LC-MS) and gas chromatography-mass spectrometry (GC-MS) for blood dAGEs measurement and skin auto fluorescence (SAF) for skin AGEs measurement can be used. Recent human studies support that a diet high in AGEs can negatively influence glucose control, body weight, blood lipid levels and vascular health through the elevated oxidative stress, inflammation, blood pressure and endothelial dysfunction compared with a diet low in AGEs. Limited human studies suggested a diet high in AGEs could negatively alter gut microbiota. SAF could be considered as one of the predictors affecting risks for cardiometabolic disorders. More intervention studies are needed to determine how dAGEs are associated with the prevalence of cardiometabolic disorders through gut microbiota changes. Further human studies are conducted to find the association between CVD events, CVD mortality and total mortality through SAF measurement, and a consensus on whether tissue dAGEs act as a predictor of CVD is required.
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Affiliation(s)
- Yoona Kim
- Department of Food and Nutrition, Institute of Agriculture and Life Science, Gyeongsang National University, 501 Jinju-daero, Jinju 52828, Gyeongsangnam-do, Republic of Korea
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Bajwa S, Luebbe A, Vo NDN, Piskor EM, Kosan C, Wolf G, Loeffler I. RAGE is a critical factor of sex-based differences in age-induced kidney damage. Front Physiol 2023; 14:1154551. [PMID: 37064891 PMCID: PMC10090518 DOI: 10.3389/fphys.2023.1154551] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 03/14/2023] [Indexed: 03/31/2023] Open
Abstract
Introduction: Advanced glycation end products (AGEs) are a heterogeneous group of molecules with potential pathophysiological effects on the kidneys. Fibrosis together with the accumulation of AGEs has been investigated for its contribution to age-related decline in renal function. AGEs mediate their effects in large parts through their interactions with the receptor for AGEs (RAGE). RAGE is a transmembrane protein that belongs to the immunoglobulin superfamily and has the ability to interact with multiple pro-inflammatory/pro-oxidative ligands. The role of RAGE in aging kidneys has not been fully characterized, especially for sex-based differences. Methods: Therefore, we analyzed constitutive RAGE knockout (KO) mice in an age- and sex-dependent manner. Paraffin-embedded kidney sections were used for histological analysis and protein expression of fibrosis and damage markers. RNA expression analysis from the kidney cortex was done by qPCR for AGE receptors, kidney damage, and early inflammation/fibrosis factors. FACS analysis was used for immune cell profiling of the kidneys. Results: Histological analysis revealed enhanced infiltration of immune cells (positive for B220) in aged (>70 weeks old) KO mice in both sexes. FACS analysis revealed a similar pattern of enhanced B-1a cells in aged KO mice. There was an age-based increase in pro-fibrotic and pro-inflammatory markers (IL-6, TNF, TGF-β1, and SNAIL1) in KO male mice that presumably contributed to renal fibrosis and renal damage (glomerular and tubular). In fact, in KO mice, there was an age-dependent increase in renal damage (assessed by NGAL and KIM1) that was accompanied by increased fibrosis (assessed by CTGF). This effect was more pronounced in male KO mice than in the female KO mice. In contrast to the KO animals, no significant increase in damage markers was detectable in wild-type animals at the age examined (>70 weeks old). Moreover, there is an age-based increase in AGEs and scavenger receptor MSR-A2 in the kidneys. Discussion: Our data suggest that the loss of the clearance receptor RAGE in male animals further accelerates age-dependent renal damage; this could be in part due to an increase in AGEs load during aging and the absence of protective female hormones. By contrast, in females, RAGE expression seems to play only a minor role when compared to tissue pathology.
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Affiliation(s)
- Seerat Bajwa
- Department of Internal Medicine III, Jena University Hospital, Jena, Germany
| | - Alexander Luebbe
- Department of Internal Medicine III, Jena University Hospital, Jena, Germany
| | - Ngoc Dong Nhi Vo
- Department of Internal Medicine III, Jena University Hospital, Jena, Germany
| | - Eva-Maria Piskor
- Institute of Biochemistry and Biophysics, Center for Molecular Biomedicine (CMB), Friedrich Schiller University, Jena, Germany
| | - Christian Kosan
- Institute of Biochemistry and Biophysics, Center for Molecular Biomedicine (CMB), Friedrich Schiller University, Jena, Germany
| | - Gunter Wolf
- Department of Internal Medicine III, Jena University Hospital, Jena, Germany
| | - Ivonne Loeffler
- Department of Internal Medicine III, Jena University Hospital, Jena, Germany
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Du C, Whiddett RO, Buckle I, Chen C, Forbes JM, Fotheringham AK. Advanced Glycation End Products and Inflammation in Type 1 Diabetes Development. Cells 2022; 11:3503. [PMID: 36359899 PMCID: PMC9657002 DOI: 10.3390/cells11213503] [Citation(s) in RCA: 16] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2022] [Revised: 10/18/2022] [Accepted: 10/31/2022] [Indexed: 08/08/2023] Open
Abstract
Type 1 diabetes (T1D) is an autoimmune disease in which the β-cells of the pancreas are attacked by the host's immune system, ultimately resulting in hyperglycemia. It is a complex multifactorial disease postulated to result from a combination of genetic and environmental factors. In parallel with increasing prevalence of T1D in genetically stable populations, highlighting an environmental component, consumption of advanced glycation end products (AGEs) commonly found in in Western diets has increased significantly over the past decades. AGEs can bind to cell surface receptors including the receptor for advanced glycation end products (RAGE). RAGE has proinflammatory roles including in host-pathogen defense, thereby influencing immune cell behavior and can activate and cause proliferation of immune cells such as islet infiltrating CD8+ and CD4+ T cells and suppress the activity of T regulatory cells, contributing to β-cell injury and hyperglycemia. Insights from studies of individuals at risk of T1D have demonstrated that progression to symptomatic onset and diagnosis can vary, ranging from months to years, providing a window of opportunity for prevention strategies. Interaction between AGEs and RAGE is believed to be a major environmental risk factor for T1D and targeting the AGE-RAGE axis may act as a potential therapeutic strategy for T1D prevention.
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Affiliation(s)
- Chenping Du
- Glycation and Diabetes Complications Group, Mater Research Institute-The University of Queensland, Translational Research Institute, Woolloongabba 4102, Australia
- School of Biomedical Sciences, Faculty of Medicine, The University of Queensland, St Lucia 4072, Australia
| | - Rani O. Whiddett
- Glycation and Diabetes Complications Group, Mater Research Institute-The University of Queensland, Translational Research Institute, Woolloongabba 4102, Australia
| | - Irina Buckle
- Glycation and Diabetes Complications Group, Mater Research Institute-The University of Queensland, Translational Research Institute, Woolloongabba 4102, Australia
- Faculty of Medicine, The University of Queensland, St Lucia 4072, Australia
| | - Chen Chen
- School of Biomedical Sciences, Faculty of Medicine, The University of Queensland, St Lucia 4072, Australia
| | - Josephine M. Forbes
- Glycation and Diabetes Complications Group, Mater Research Institute-The University of Queensland, Translational Research Institute, Woolloongabba 4102, Australia
- Faculty of Medicine, The University of Queensland, St Lucia 4072, Australia
- Department of Medicine, The University of Melbourne, Austin Health, Heidelberg 3084, Australia
| | - Amelia K. Fotheringham
- Glycation and Diabetes Complications Group, Mater Research Institute-The University of Queensland, Translational Research Institute, Woolloongabba 4102, Australia
- Faculty of Medicine, The University of Queensland, St Lucia 4072, Australia
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9
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Advanced Glycation End Products (AGEs) and Chronic Kidney Disease: Does the Modern Diet AGE the Kidney? Nutrients 2022; 14:nu14132675. [PMID: 35807857 PMCID: PMC9268915 DOI: 10.3390/nu14132675] [Citation(s) in RCA: 23] [Impact Index Per Article: 11.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2022] [Revised: 06/22/2022] [Accepted: 06/23/2022] [Indexed: 12/13/2022] Open
Abstract
Since the 1980s, chronic kidney disease (CKD) affecting all ages has increased by almost 25%. This increase may be partially attributable to lifestyle changes and increased global consumption of a “western” diet, which is typically energy dense, low in fruits and vegetables, and high in animal protein and ultra-processed foods. These modern food trends have led to an increase in the consumption of advanced glycation end products (AGEs) in conjunction with increased metabolic dysfunction, obesity and diabetes, which facilitates production of endogenous AGEs within the body. When in excess, AGEs can be pathological via both receptor-mediated and non-receptor-mediated pathways. The kidney, as a major site for AGE clearance, is particularly vulnerable to AGE-mediated damage and increases in circulating AGEs align with risk of CKD and all-cause mortality. Furthermore, individuals with significant loss of renal function show increased AGE burden, particularly with uraemia, and there is some evidence that AGE lowering via diet or pharmacological inhibition may be beneficial for CKD. This review discusses the pathways that drive AGE formation and regulation within the body. This includes AGE receptor interactions and pathways of AGE-mediated pathology with a focus on the contribution of diet on endogenous AGE production and dietary AGE consumption to these processes. We then analyse the contribution of AGEs to kidney disease, the evidence for dietary AGEs and endogenously produced AGEs in driving pathogenesis in diabetic and non-diabetic kidney disease and the potential for AGE targeted therapies in kidney disease.
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Dietary Advanced Glycation End Products in an Elderly Population with Diabetic Nephropathy: An Exploratory Investigation. Nutrients 2022; 14:nu14091818. [PMID: 35565786 PMCID: PMC9102870 DOI: 10.3390/nu14091818] [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: 03/17/2022] [Revised: 04/16/2022] [Accepted: 04/25/2022] [Indexed: 02/06/2023] Open
Abstract
Advanced glycation end products (AGEs) are important in pathophysiology of type 2 diabetes mellitus (T2DM) and diabetic kidney disease (DKD). Dietary AGEs (dAGEs) contribute to the overall AGE pool in the body. Forty elderly T2DM patients with DKD were randomly allocated to a low-AGE (n = 20) or regular diabetic (n = 20) diet group. A three-day meal questionnaire was used to estimate average quantity of dAGEs. AGE accumulation was measured using skin autofluorescence and urine spectroscopy. sRAGE (soluble receptor AGE) was quantified using ELISA. After 8 weeks, the mean consumption of dAGEs was considerably reduced, both in the low-AGE diet (p = 0.004) and the control (p = 0.019) group. The expected urinary emission peak at 490 nm was shifted to 520 nm in some spectra. dAGEs did not correspond with urine AGE output. An AGE-limited diet for two months did not affect AGE content in skin and urine, or sRAGE concentration in the blood. The role of glycemia is likely to be greater than the impact of dAGE consumption. The unique observation of a fluorescence pattern at 520 nm warrants further examination, since it might point to genetic differences in AGE regulation, which could have clinical consequences, as AGE content depends on its formation and elimination.
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11
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Proximal tubular RAGE mediated the renal fibrosis in UUO model mice via upregulation of autophagy. Cell Death Dis 2022; 13:399. [PMID: 35461309 PMCID: PMC9035155 DOI: 10.1038/s41419-022-04856-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2022] [Revised: 04/06/2022] [Accepted: 04/12/2022] [Indexed: 12/16/2022]
Abstract
Previous studies reported that RAGE participated in the process of kidney fibrosis, but the function and regulation pathway of RAGE in proximal tubular cells in this process remains unclear. Here, we found that expression of RAGE was increased by TGF-β1 treatment and unilateral ureteral obstruction (UUO). Knock down of RAGE ameliorated renal fibrosis by TGF-β1 treatment, the expression of vimentin, Collagen I&III, and fibronectin are decreased. Mechanistically, RAGE mediated TGF-β1-induced phosphorylation of Stat3 and directly upregulated the Atg7 to increase the level of autophagy, and ultimately resulting in renal fibrosis. Furthermore, PT-RAGE-KO mice reduced kidney fibrosis in UUO model via inhibiting Stat3/Atg7 axis by knocking down RAGE. Furthermore, the above findings were confirmed in kidney of patients with obstructive nephropathy. Collectively, RAGE in proximal tubular cells promotes the autophagy to increase renal fibrosis via upregulation of Stat3/Atg7 axis.
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12
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Inagi R. Organelle Stress and Metabolic Derangement in Kidney Disease. Int J Mol Sci 2022; 23:1723. [PMID: 35163648 PMCID: PMC8836232 DOI: 10.3390/ijms23031723] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 01/29/2022] [Accepted: 01/30/2022] [Indexed: 02/01/2023] Open
Abstract
Advanced multiomics analysis has revealed novel pathophysiological mechanisms in kidney disease. In particular, proteomic and metabolomic analysis shed light on mitochondrial dysfunction (mitochondrial stress) by glycation in diabetic or age-related kidney disease. Further, metabolic damage often results from organelle stress, such as mitochondrial stress and endoplasmic reticulum (ER) stress, as well as interorganelle communication, or "organelle crosstalk", in various kidney cells. These contribute to progression of the disease phenotype. Aberrant tubular mitochondrial lipid metabolism leads to tubular inflammation and fibrosis. This review article summarizes updated evidence regarding organelle stress, organelle crosstalk, and metabolic derangement in kidney disease.
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Affiliation(s)
- Reiko Inagi
- Division of Chronic Kidney Disease (CKD) Pathophysiology, The University of Tokyo Graduate School of Medicine, 7-3-1 Hongo Bunkyo-ku, Tokyo 113-8655, Japan
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13
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Exposure of Caenorhabditis elegans to Dietary Nε-Carboxymethyllysine Emphasizes Endocytosis as a New Route for Intestinal Absorption of Advanced Glycation End Products. Nutrients 2021; 13:nu13124398. [PMID: 34959950 PMCID: PMC8705817 DOI: 10.3390/nu13124398] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2021] [Revised: 11/23/2021] [Accepted: 11/30/2021] [Indexed: 12/11/2022] Open
Abstract
The impact of dietary advanced glycation end products (dAGEs) on human health has been discussed in many studies but, to date, no consensual pathophysiological process has been demonstrated. The intestinal absorption pathways which have so far been described for dAGEs, the passive diffusion of free AGE adducts and transport of glycated di-tripeptides by the peptide transporter 1 (PEPT-1), are not compatible with certain pathophysiological processes described. To get new insight into the intestinal absorption pathways and the pathophysiological mechanisms of dAGEs, we initiated an in vivo study with a so-called simple animal model with a complete digestive tract, Caenorhabditis elegans. Dietary bacteria were chemically modified with glyoxylic acid to mainly produce Nε-carboxymethyllysine (CML) and used to feed the worms. We performed different immunotechniques using an anti-CML antibody for the relative quantification of ingested CML and localization of this AGE in the worms’ intestine. The relative expression of genes encoding different biological processes such as response to stresses and intestinal digestion were determined. The physiological development of the worms was verified. All the results were compared with those obtained with the control bacteria. The results revealed a new route for the intestinal absorption of dietary CML (dCML), endocytosis, which could be mediated by scavenger receptors. The exposure of worms to dCML induced a reproductive defect and a transcriptional response reflecting oxidative, carbonyl and protein folding stresses. These data, in particular the demonstration of endocytosis of dCML by enterocytes, open up new perspectives to better characterize the pathophysiological mechanisms of dAGEs.
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14
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Fotheringham AK, Solon-Biet SM, Bielefeldt-Ohmann H, McCarthy DA, McMahon AC, Ruohonen K, Li I, Sullivan MA, Whiddett RO, Borg DJ, Cogger VC, Ballard WO, Turner N, Melvin RG, Raubenheimer D, Le Couteur DG, Simpson SJ, Forbes JM. Kidney disease risk factors do not explain impacts of low dietary protein on kidney function and structure. iScience 2021; 24:103308. [PMID: 34820603 PMCID: PMC8602032 DOI: 10.1016/j.isci.2021.103308] [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: 01/19/2021] [Revised: 04/29/2021] [Accepted: 10/15/2021] [Indexed: 02/06/2023] Open
Abstract
The kidneys balance many byproducts of the metabolism of dietary components. Previous studies examining dietary effects on kidney health are generally of short duration and manipulate a single macronutrient. Here, kidney function and structure were examined in C57BL/6J mice randomized to consume one of a spectrum of macronutrient combinations (protein [5%–60%], carbohydrate [20%–75%], and fat [20%–75%]) from weaning to late-middle age (15 months). Individual and interactive impacts of macronutrients on kidney health were modeled. Dietary protein had the greatest influence on kidney function, where chronic low protein intake decreased glomerular filtration rates and kidney mass, whereas it increased kidney immune infiltration and structural injury. Kidney outcomes did not align with cardiometabolic risk factors including glucose intolerance, overweight/obesity, dyslipidemia, and hypertension in mice with chronic low protein consumption. This study highlights that protein intake over a lifespan is an important determinant of kidney function independent of cardiometabolic changes. Chronic high macronutrient intake from any source increases kidney function (GFR) Low protein intake led to greater kidney tubular structural injury and inflammation Lower protein intake decreased kidney mass and glomerular filtration capacity Kidney outcomes did not align with longevity or cardiometabolic outcomes
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Affiliation(s)
- Amelia K Fotheringham
- Glycation and Diabetes Complications Group, Mater Research Institute-The University of Queensland, Translational Research Institute, 37 Kent Street, Woolloongabba, Brisbane 4072, QLD, Australia.,Faculty of Medicine, University of Queensland, Brisbane 4067, QLD, Australia
| | - Samantha M Solon-Biet
- Charles Perkins Centre, University of Sydney, Sydney 2006, NSW, Australia.,School of Medical Sciences, University of Sydney, Sydney 2006, NSW, Australia
| | - Helle Bielefeldt-Ohmann
- School of Veterinary Science, University of Queensland, Gatton Campus, Gatton 4343, QLD, Australia.,School of Chemistry & Molecular Biosciences, University of Queensland, Brisbane 4067, QLD, Australia
| | - Domenica A McCarthy
- Glycation and Diabetes Complications Group, Mater Research Institute-The University of Queensland, Translational Research Institute, 37 Kent Street, Woolloongabba, Brisbane 4072, QLD, Australia
| | - Aisling C McMahon
- Charles Perkins Centre, University of Sydney, Sydney 2006, NSW, Australia.,Centre for Education and Research on Aging, and Aging and Alzheimer's Institute, Concord Hospital, Sydney 2139, NSW, Australia.,ANZAC Research Institute, Concord Hospital, University of Sydney, Sydney 2139, NSW, Australia
| | - Kari Ruohonen
- Animal Nutrition and Health, Cargill, Sandnes, Norway
| | - Isaac Li
- Faculty of Medicine, University of Queensland, Brisbane 4067, QLD, Australia
| | - Mitchell A Sullivan
- Glycation and Diabetes Complications Group, Mater Research Institute-The University of Queensland, Translational Research Institute, 37 Kent Street, Woolloongabba, Brisbane 4072, QLD, Australia
| | - Rani O Whiddett
- Glycation and Diabetes Complications Group, Mater Research Institute-The University of Queensland, Translational Research Institute, 37 Kent Street, Woolloongabba, Brisbane 4072, QLD, Australia
| | - Danielle J Borg
- Glycation and Diabetes Complications Group, Mater Research Institute-The University of Queensland, Translational Research Institute, 37 Kent Street, Woolloongabba, Brisbane 4072, QLD, Australia.,Faculty of Medicine, University of Queensland, Brisbane 4067, QLD, Australia
| | - Victoria C Cogger
- Charles Perkins Centre, University of Sydney, Sydney 2006, NSW, Australia.,Centre for Education and Research on Aging, and Aging and Alzheimer's Institute, Concord Hospital, Sydney 2139, NSW, Australia.,ANZAC Research Institute, Concord Hospital, University of Sydney, Sydney 2139, NSW, Australia
| | - William O Ballard
- School of Biotechnology and Biomolecular Sciences, University of New South Wales, Sydney 2052, NSW, Australia
| | - Nigel Turner
- Department of Pharmacology, School of Medical Sciences, Faculty of Medicine, University of New South Wales Sydney, NSW 2052, Australia
| | - Richard G Melvin
- Department of Biomedical Sciences, University of Minnesota Medical School, 1035 University Drive, Duluth 55812, MN, USA
| | - David Raubenheimer
- Charles Perkins Centre, University of Sydney, Sydney 2006, NSW, Australia.,School of Life and Environmental Sciences, University of Sydney, NSW, Australia
| | - David G Le Couteur
- Charles Perkins Centre, University of Sydney, Sydney 2006, NSW, Australia.,Centre for Education and Research on Aging, and Aging and Alzheimer's Institute, Concord Hospital, Sydney 2139, NSW, Australia.,ANZAC Research Institute, Concord Hospital, University of Sydney, Sydney 2139, NSW, Australia
| | - Stephen J Simpson
- Charles Perkins Centre, University of Sydney, Sydney 2006, NSW, Australia.,School of Life and Environmental Sciences, University of Sydney, NSW, Australia
| | - Josephine M Forbes
- Glycation and Diabetes Complications Group, Mater Research Institute-The University of Queensland, Translational Research Institute, 37 Kent Street, Woolloongabba, Brisbane 4072, QLD, Australia.,Faculty of Medicine, University of Queensland, Brisbane 4067, QLD, Australia.,Department of Medicine, University of Melbourne, Heidelberg, VIC 3084, Australia
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15
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Linkens AMA, Houben AJHM, Kroon AA, Schram MT, Berendschot TTJM, Webers CAB, van Greevenbroek M, Henry RMA, de Galan B, Stehouwer CDA, Eussen SJMP, Schalkwijk CG. Habitual intake of dietary advanced glycation end products is not associated with generalized microvascular function-the Maastricht Study. Am J Clin Nutr 2021; 115:444-455. [PMID: 34581759 PMCID: PMC8827096 DOI: 10.1093/ajcn/nqab302] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2021] [Accepted: 08/24/2021] [Indexed: 02/07/2023] Open
Abstract
BACKGROUND Endogenously formed advanced glycation end products (AGEs) may be important drivers of microvascular dysfunction and the microvascular complications of diabetes. AGEs are also formed in food products, especially during preparation methods involving dry heat. OBJECTIVES We aimed to assess cross-sectional associations between dietary AGE intake and generalized microvascular function in a population-based cohort. METHODS In 3144 participants of the Maastricht Study (mean ± SD age: 60 ± 8 y, 51% men) the dietary AGEs Nε-(carboxymethyl)lysine (CML), Nε-(1-carboxyethyl)lysine (CEL), and Nδ-(5-hydro-5-methyl-4-imidazolon-2-yl)-ornithine (MG-H1) were estimated using the combination of our ultra-performance LC-tandem MS dietary AGE database and an FFQ. Microvascular function was determined in the retina as flicker light-induced arteriolar and venular dilation and as central retinal arteriolar and venular equivalents, in plasma as a z score of endothelial dysfunction biomarkers (soluble vascular adhesion molecule 1 and soluble intracellular adhesion molecule 1, soluble E-selectin, and von Willebrand factor), in skin as the heat-induced skin hyperemic response, and in urine as 24-h albuminuria. Associations were evaluated using multiple linear regression adjusting for demographic, cardiovascular, lifestyle, and dietary factors. RESULTS Overall, intakes of CML, CEL, and MG-H1 were not associated with the microvascular outcomes. Although higher intake of CEL was associated with higher flicker light-induced venular dilation (β percentage change over baseline: 0.14; 95% CI: 0.02, 0.26) and lower plasma biomarker z score (β: -0.04 SD; 95% CI: -0.08, -0.00 SD), the effect sizes were small and their biological relevance can be questioned. CONCLUSIONS We did not show any strong association between habitual intake of dietary AGEs and generalized microvascular function. The contribution of dietary AGEs to generalized microvascular function should be further assessed in randomized controlled trials using specifically designed dietary interventions.
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Affiliation(s)
- Armand M A Linkens
- Department of Internal Medicine, Maastricht University Medical Center, Maastricht, Netherlands,CARIM School for Cardiovascular Diseases, Maastricht University, Maastricht, Netherlands
| | - Alfons J H M Houben
- Department of Internal Medicine, Maastricht University Medical Center, Maastricht, Netherlands,CARIM School for Cardiovascular Diseases, Maastricht University, Maastricht, Netherlands
| | - Abraham A Kroon
- Department of Internal Medicine, Maastricht University Medical Center, Maastricht, Netherlands,CARIM School for Cardiovascular Diseases, Maastricht University, Maastricht, Netherlands
| | - Miranda T Schram
- Department of Internal Medicine, Maastricht University Medical Center, Maastricht, Netherlands,CARIM School for Cardiovascular Diseases, Maastricht University, Maastricht, Netherlands
| | - Tos T J M Berendschot
- University Eye Clinic Maastricht, Maastricht University Medical Center, Maastricht, Netherlands
| | - Carroll A B Webers
- University Eye Clinic Maastricht, Maastricht University Medical Center, Maastricht, Netherlands
| | - Marleen van Greevenbroek
- Department of Internal Medicine, Maastricht University Medical Center, Maastricht, Netherlands,CARIM School for Cardiovascular Diseases, Maastricht University, Maastricht, Netherlands
| | - Ronald M A Henry
- Department of Internal Medicine, Maastricht University Medical Center, Maastricht, Netherlands,CARIM School for Cardiovascular Diseases, Maastricht University, Maastricht, Netherlands,Heart and Vascular Center, Maastricht University Medical Center, Maastricht, Netherlands
| | - Bastiaan de Galan
- Department of Internal Medicine, Maastricht University Medical Center, Maastricht, Netherlands,CARIM School for Cardiovascular Diseases, Maastricht University, Maastricht, Netherlands
| | - Coen D A Stehouwer
- Department of Internal Medicine, Maastricht University Medical Center, Maastricht, Netherlands,CARIM School for Cardiovascular Diseases, Maastricht University, Maastricht, Netherlands
| | - Simone J M P Eussen
- CARIM School for Cardiovascular Diseases, Maastricht University, Maastricht, Netherlands,Department of Epidemiology, Maastricht University, Maastricht, Netherlands,CAPHRI School for Care and Public Health Research Unit, Maastricht University, Maastricht, Netherlands
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16
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Effect of Advanced Glycation End-Products and Excessive Calorie Intake on Diet-Induced Chronic Low-Grade Inflammation Biomarkers in Murine Models. Nutrients 2021; 13:nu13093091. [PMID: 34578967 PMCID: PMC8468789 DOI: 10.3390/nu13093091] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/20/2021] [Revised: 08/29/2021] [Accepted: 09/02/2021] [Indexed: 12/29/2022] Open
Abstract
Chronic Low-Grade Inflammation (CLGI) is a non-overt inflammatory state characterized by a continuous activation of inflammation mediators associated with metabolic diseases. It has been linked to the overconsumption of Advanced Glycation End-Products (AGEs), and/or macronutrients which lead to an increase in local and systemic pro-inflammatory biomarkers in humans and animal models. This review provides a summary of research into biomarkers of diet-induced CLGI in murine models, with a focus on AGEs and obesogenic diets, and presents the physiological effects described in the literature. Diet-induced CLGI is associated with metabolic endotoxemia, and/or gut microbiota remodeling in rodents. The mechanisms identified so far are centered on pro-inflammatory axes such as the interaction between AGEs and their main receptor AGEs (RAGE) or increased levels of lipopolysaccharide. The use of murine models has helped to elucidate the local and systemic expression of CLGI mediators. These models have enabled significant advances in identification of diet-induced CLGI biomarkers and resultant physiological effects. Some limitations on the translational (murine → humans) use of biomarkers may arise, but murine models have greatly facilitated the testing of specific dietary components. However, there remains a lack of information at the whole-organism level of organization, as well as a lack of consensus on the best biomarker for use in CLGI studies and recommendations as to future research conclude this review.
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17
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Zhuang A, Yap FYT, Borg DJ, McCarthy D, Fotheringham A, Leung S, Penfold SA, Sourris KC, Coughlan MT, Schulz BL, Forbes JM. The AGE receptor, OST48 drives podocyte foot process effacement and basement membrane expansion (alters structural composition). Endocrinol Diabetes Metab 2021; 4:e00278. [PMID: 34277994 PMCID: PMC8279619 DOI: 10.1002/edm2.278] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/24/2021] [Revised: 05/16/2021] [Accepted: 05/22/2021] [Indexed: 11/17/2022] Open
Abstract
AIMS The accumulation of advanced glycation end products is implicated in the development and progression of diabetic kidney disease. No study has examined whether stimulating advanced glycation clearance via receptor manipulation is reno-protective in diabetes. Podocytes, which are early contributors to diabetic kidney disease and could be a target for reno-protection. MATERIALS AND METHODS To examine the effects of increased podocyte oligosaccharyltransferase-48 on kidney function, glomerular sclerosis, tubulointerstitial fibrosis and proteome (PXD011434), we generated a mouse with increased oligosaccharyltransferase-48kDa subunit abundance in podocytes driven by the podocin promoter. RESULTS Despite increased urinary clearance of advanced glycation end products, we observed a decline in renal function, significant glomerular damage including glomerulosclerosis, collagen IV deposition, glomerular basement membrane thickening and foot process effacement and tubulointerstitial fibrosis. Analysis of isolated glomeruli identified enrichment in proteins associated with collagen deposition, endoplasmic reticulum stress and oxidative stress. Ultra-resolution microscopy of podocytes revealed denudation of foot processes where there was co-localization of oligosaccharyltransferase-48kDa subunit and advanced glycation end-products. CONCLUSIONS These studies indicate that increased podocyte expression of oligosaccharyltransferase-48 kDa subunit results in glomerular endoplasmic reticulum stress and a decline in kidney function.
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Affiliation(s)
- Aowen Zhuang
- Glycation and Diabetes ComplicationsMater Research Institute – The University of QueenslandTranslational Research InstituteWoolloongabbaQldAustralia
- Faculty of MedicineUniversity of QueenslandSt LuciaQldAustralia
- Baker Heart and Diabetes InstituteMelbourneVicAustralia
| | | | - Danielle J. Borg
- Glycation and Diabetes ComplicationsMater Research Institute – The University of QueenslandTranslational Research InstituteWoolloongabbaQldAustralia
| | - Domenica McCarthy
- Glycation and Diabetes ComplicationsMater Research Institute – The University of QueenslandTranslational Research InstituteWoolloongabbaQldAustralia
| | - Amelia Fotheringham
- Glycation and Diabetes ComplicationsMater Research Institute – The University of QueenslandTranslational Research InstituteWoolloongabbaQldAustralia
| | - Sherman Leung
- Glycation and Diabetes ComplicationsMater Research Institute – The University of QueenslandTranslational Research InstituteWoolloongabbaQldAustralia
| | | | - Karly C. Sourris
- Baker Heart and Diabetes InstituteMelbourneVicAustralia
- Department of DiabetesCentral Clinical SchoolMonash UniversityMelbourneVicAustralia
| | - Melinda T. Coughlan
- Baker Heart and Diabetes InstituteMelbourneVicAustralia
- Department of DiabetesCentral Clinical SchoolMonash UniversityMelbourneVicAustralia
| | - Benjamin L. Schulz
- School of Chemistry and Molecular BiosciencesUniversity of QueenslandSt LuciaQldAustralia
| | - Josephine M. Forbes
- Glycation and Diabetes ComplicationsMater Research Institute – The University of QueenslandTranslational Research InstituteWoolloongabbaQldAustralia
- Faculty of MedicineUniversity of QueenslandSt LuciaQldAustralia
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18
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Borg DJ, Faridi P, Giam KL, Reeves P, Fotheringham AK, McCarthy DA, Leung S, Ward MS, Harcourt BE, Ayala R, Scheijen JL, Briskey D, Dudek NL, Schalkwijk CG, Steptoe R, Purcell AW, Forbes JM. Short Duration Alagebrium Chloride Therapy Prediabetes Does Not Inhibit Progression to Autoimmune Diabetes in an Experimental Model. Metabolites 2021; 11:426. [PMID: 34203471 PMCID: PMC8305727 DOI: 10.3390/metabo11070426] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2021] [Revised: 06/21/2021] [Accepted: 06/22/2021] [Indexed: 12/17/2022] Open
Abstract
Mechanisms by which advanced glycation end products (AGEs) contribute to type 1 diabetes (T1D) pathogenesis are poorly understood. Since life-long pharmacotherapy with alagebrium chloride (ALT) slows progression to experimental T1D, we hypothesized that acute ALT therapy delivered prediabetes, may be effective. However, in female, non-obese diabetic (NODShiLt) mice, ALT administered prediabetes (day 50-100) did not protect against experimental T1D. ALT did not decrease circulating AGEs or their precursors. Despite this, pancreatic β-cell function was improved, and insulitis and pancreatic CD45.1+ cell infiltration was reduced. Lymphoid tissues were unaffected. ALT pre-treatment, prior to transfer of primed GC98 CD8+ T cell receptor transgenic T cells, reduced blood glucose concentrations and delayed diabetes, suggesting islet effects rather than immune modulation by ALT. Indeed, ALT did not reduce interferon-γ production by leukocytes from ovalbumin-pre-immunised NODShiLt mice and NODscid recipients given diabetogenic ALT treated NOD splenocytes were not protected against T1D. To elucidate β-cell effects, NOD-derived MIN6N8 β-cell major histocompatibility complex (MHC) Class Ia surface antigens were examined using immunopeptidomics. Overall, no major changes in the immunopeptidome were observed during the various treatments with all peptides exhibiting allele specific consensus binding motifs. As expected, longer MHC Class Ia peptides were captured bound to H-2Db than H-2Kb under all conditions. Moreover, more 10-12 mer peptides were isolated from H-2Db after AGE modified bovine serum albumin (AGE-BSA) treatment, compared with bovine serum albumin (BSA) or AGE-BSA+ALT treatment. Proteomics of MIN6N8 cells showed enrichment of processes associated with catabolism, the immune system, cell cycling and presynaptic endocytosis with AGE-BSA compared with BSA treatments. These data show that short-term ALT intervention, given prediabetes, does not arrest experimental T1D but transiently impacts β-cell function.
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Affiliation(s)
- Danielle J. Borg
- Glycation and Diabetes Complications, Mater Research Institute, The University of Queensland, Translational Research Institute, Brisbane, QLD 4102, Australia; (D.J.B.); (A.K.F.); (D.A.M.); (S.L.); (M.S.W.); (B.E.H.)
- Pregnancy and Development, Mater Research Institute, The University of Queensland, South Brisbane, QLD 4101, Australia
| | - Pouya Faridi
- Infection and Immunity Program, Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Melbourne, VIC 3800, Australia; (P.F.); (K.L.G.); (R.A.); (N.L.D.); (A.W.P.)
| | - Kai Lin Giam
- Infection and Immunity Program, Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Melbourne, VIC 3800, Australia; (P.F.); (K.L.G.); (R.A.); (N.L.D.); (A.W.P.)
| | - Peta Reeves
- Tolerance and Autoimmunity Group, The University of Queensland Diamantina Institute, Translational Research Institute, Brisbane, QLD 4102, Australia; (P.R.); (R.S.)
| | - Amelia K. Fotheringham
- Glycation and Diabetes Complications, Mater Research Institute, The University of Queensland, Translational Research Institute, Brisbane, QLD 4102, Australia; (D.J.B.); (A.K.F.); (D.A.M.); (S.L.); (M.S.W.); (B.E.H.)
| | - Domenica A. McCarthy
- Glycation and Diabetes Complications, Mater Research Institute, The University of Queensland, Translational Research Institute, Brisbane, QLD 4102, Australia; (D.J.B.); (A.K.F.); (D.A.M.); (S.L.); (M.S.W.); (B.E.H.)
| | - Sherman Leung
- Glycation and Diabetes Complications, Mater Research Institute, The University of Queensland, Translational Research Institute, Brisbane, QLD 4102, Australia; (D.J.B.); (A.K.F.); (D.A.M.); (S.L.); (M.S.W.); (B.E.H.)
| | - Micheal S. Ward
- Glycation and Diabetes Complications, Mater Research Institute, The University of Queensland, Translational Research Institute, Brisbane, QLD 4102, Australia; (D.J.B.); (A.K.F.); (D.A.M.); (S.L.); (M.S.W.); (B.E.H.)
| | - Brooke E. Harcourt
- Murdoch Children’s Research Institute, Royal Children’s Hospital, Melbourne, VIC 3052, Australia
| | - Rochelle Ayala
- Infection and Immunity Program, Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Melbourne, VIC 3800, Australia; (P.F.); (K.L.G.); (R.A.); (N.L.D.); (A.W.P.)
| | - Jean L. Scheijen
- Laboratory for Metabolism and Vascular Medicine, Department of Internal Medicine, Maastricht University, 6211 Maastricht, The Netherlands; (J.L.S.); (C.G.S.)
- Cardiovascular Research Institute Maastricht, 6211 Maastricht, The Netherlands
| | - David Briskey
- School of Human Movement and Nutrition Sciences, The University of Queensland, Brisbane, QLD 4067, Australia;
| | - Nadine L. Dudek
- Infection and Immunity Program, Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Melbourne, VIC 3800, Australia; (P.F.); (K.L.G.); (R.A.); (N.L.D.); (A.W.P.)
| | - Casper G. Schalkwijk
- Laboratory for Metabolism and Vascular Medicine, Department of Internal Medicine, Maastricht University, 6211 Maastricht, The Netherlands; (J.L.S.); (C.G.S.)
- Cardiovascular Research Institute Maastricht, 6211 Maastricht, The Netherlands
| | - Raymond Steptoe
- Tolerance and Autoimmunity Group, The University of Queensland Diamantina Institute, Translational Research Institute, Brisbane, QLD 4102, Australia; (P.R.); (R.S.)
| | - Anthony W. Purcell
- Infection and Immunity Program, Department of Biochemistry and Molecular Biology, Biomedicine Discovery Institute, Monash University, Melbourne, VIC 3800, Australia; (P.F.); (K.L.G.); (R.A.); (N.L.D.); (A.W.P.)
| | - Josephine M. Forbes
- Glycation and Diabetes Complications, Mater Research Institute, The University of Queensland, Translational Research Institute, Brisbane, QLD 4102, Australia; (D.J.B.); (A.K.F.); (D.A.M.); (S.L.); (M.S.W.); (B.E.H.)
- Murdoch Children’s Research Institute, Royal Children’s Hospital, Melbourne, VIC 3052, Australia
- Mater Clinical School, The University of Queensland, Brisbane, QLD 4101, Australia
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19
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Nie C, Li Y, Qian H, Ying H, Wang L. Advanced glycation end products in food and their effects on intestinal tract. Crit Rev Food Sci Nutr 2020; 62:3103-3115. [DOI: 10.1080/10408398.2020.1863904] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Chenzhipeng Nie
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Yan Li
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Haifeng Qian
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, China
| | - Hao Ying
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institutes for Biological Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, China
| | - Li Wang
- State Key Laboratory of Food Science and Technology, School of Food Science and Technology, Jiangnan University, Wuxi, China
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20
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Sohouli MH, Sharifi-Zahabi E, Lari A, Fatahi S, Shidfar F. The impact of low advanced glycation end products diet on obesity and related hormones: a systematic review and meta-analysis. Sci Rep 2020; 10:22194. [PMID: 33335235 PMCID: PMC7747626 DOI: 10.1038/s41598-020-79216-y] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/18/2020] [Accepted: 11/18/2020] [Indexed: 12/14/2022] Open
Abstract
Several randomized clinical trials (RCTs) have investigated the effect of dietary advanced glycation end products (AGE) on obesity factors and related hormones in adults; results were conflicting. Therefore, a study was performed to assess the effect of low advanced glycation end products diet on obesity and related hormones. A comprehensive literature search without any limitation on language was conducted using the following bibliographical databases: Web of Science, Scopus, Ovid MEDLINE, Cochrane, and Embase up to October, 2019. From the eligible trials, 13 articles were selected for the systematic review and meta-analysis. Our systematic reviews and meta-analyses have shown a significant decrease in BMI (WMD: − 0.3 kg/m2; 95% CI: − 0.52, − 0.09, p = 0.005; I2 = 55.8%), weight (WMD: − 0.83 kg; 95% CI: − 1.55, − 0.10, p = 0.026; I2 = 67.0%), and leptin (WMD: − 19.85 ng/ml; 95% CI: − 29.88, − 9.82, p < 0.001; I2 = 81.8%) and an increase in adiponectin (WMD: 5.50 µg/ml; 95% CI: 1.33, 9.67, p = 0.010; I2 = 90.6%) levels after consumption of the low AGE diets compared to the high AGE diets. Also, the effect of intake of low AGE compared to high AGE diets was more pronounced in subgroup with duration > 8 weeks for the BMI and weight. Overall, according to our results, although low AGE diets appeared to be statistically significant in reducing the prevalence of obesity and chronic diseases compared to high consumption of dietary AGEs. But, no clinical significance was observed. Therefore, to confirm these results clinically, further prospective studies should be conducted in this regard. The study protocol was registered in the in International prospective register of systematic reviews (PROSPERO) database as CRD42020203734.
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Affiliation(s)
- Mohammad Hassan Sohouli
- Student Research Committee, Faculty of Public Health Branch, Iran University of Medical Sciences, Tehran, Iran.,Department of Nutrition, School of Public Health, Iran University of Medical Sciences, Hemmat Superhighway, Tehran, Iran
| | - Elham Sharifi-Zahabi
- Student Research Committee, Faculty of Public Health Branch, Iran University of Medical Sciences, Tehran, Iran.,Department of Nutrition, School of Public Health, Iran University of Medical Sciences, Hemmat Superhighway, Tehran, Iran
| | - Abolfazl Lari
- Student Research Committee, Faculty of Public Health Branch, Iran University of Medical Sciences, Tehran, Iran.,Department of Nutrition, School of Public Health, Iran University of Medical Sciences, Hemmat Superhighway, Tehran, Iran
| | - Somaye Fatahi
- Student Research Committee, Faculty of Public Health Branch, Iran University of Medical Sciences, Tehran, Iran.,Department of Nutrition, School of Public Health, Iran University of Medical Sciences, Hemmat Superhighway, Tehran, Iran
| | - Farzad Shidfar
- Student Research Committee, Faculty of Public Health Branch, Iran University of Medical Sciences, Tehran, Iran. .,Pediatric growth and development research center, Iran University of Medical Sciences, Tehran, Iran.
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21
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Tabassum S, Misrani A, Yang L. Exploiting Common Aspects of Obesity and Alzheimer's Disease. Front Hum Neurosci 2020; 14:602360. [PMID: 33384592 PMCID: PMC7769820 DOI: 10.3389/fnhum.2020.602360] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/03/2020] [Accepted: 11/24/2020] [Indexed: 12/14/2022] Open
Abstract
Alzheimer’s disease (AD) is an example of age-related dementia, and there are still no known preventive or curative measures for this disease. Obesity and associated metabolic changes are widely accepted as risk factors of age-related cognitive decline. Insulin is the prime mediator of metabolic homeostasis, which is impaired in obesity, and this impairment potentiates amyloid-β (Aβ) accumulation and the formation of neurofibrillary tangles (NFTs). Obesity is also linked with functional and morphological alterations in brain mitochondria leading to brain insulin resistance (IR) and memory deficits associated with AD. Also, increased peripheral inflammation and oxidative stress due to obesity are the main drivers that increase an individual’s susceptibility to cognitive deficits, thus doubling the risk of AD. This enhanced risk of AD is alarming in the context of a rapidly increasing global incidence of obesity and overweight in the general population. In this review, we summarize the risk factors that link obesity with AD and emphasize the point that the treatment and management of obesity may also provide a way to prevent AD.
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Affiliation(s)
- Sidra Tabassum
- Precise Genome Engineering Center, School of Life Sciences, Guangzhou University, Guangzhou, China
| | - Afzal Misrani
- Precise Genome Engineering Center, School of Life Sciences, Guangzhou University, Guangzhou, China
| | - Li Yang
- Precise Genome Engineering Center, School of Life Sciences, Guangzhou University, Guangzhou, China
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22
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Sohouli MH, Fatahi S, Sharifi-Zahabi E, Santos HO, Tripathi N, Lari A, Pourrajab B, Kord-Varkaneh H, Găman MA, Shidfar F. The Impact of Low Advanced Glycation End Products Diet on Metabolic Risk Factors: A Systematic Review and Meta-Analysis of Randomized Controlled Trials. Adv Nutr 2020; 12:766-776. [PMID: 33253361 PMCID: PMC8166565 DOI: 10.1093/advances/nmaa150] [Citation(s) in RCA: 35] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2020] [Revised: 09/10/2020] [Accepted: 10/23/2020] [Indexed: 12/17/2022] Open
Abstract
Several randomized clinical trials have investigated the effect of dietary advanced glycation end products (AGEs) on metabolic syndrome risk factors in adults. However, the results of these studies were conflicting. Therefore, our aim was to assess the effect of dietary AGEs on metabolic syndrome risk factors. We searched the PubMed-MEDLINE, Scopus, Cochrane Databases, Google Scholar, Web of Science, and Embase databases for papers published up to October 2019 that investigated the effect of dietary AGEs on metabolic syndrome risk factors. From the eligible trials, 13 articles were selected for inclusion in this systematic review and meta-analysis. The meta-analysis was performed using a random-effects model. Heterogeneity was determined by I2 statistics and Cochrane Q test. Pooled results from the random-effects model showed a significant reduction for insulin resistance [weighted mean difference (WMD): -1.204; 95% CI: -2.057, -0.358; P = 0.006], fasting insulin (WMD: -5.472 μU/mL; 95% CI: -9.718, -1.234 μU/mL; P = 0.011), total cholesterol (WMD: -5.486 mg/dL; 95% CI: -10.222, -0.747 mg/dL; P = 0.023), and LDL (WMD: -6.263 mg/dL; 95% CI: -11.659, -0.866 mg/dL; P = 0.023) in the low-AGEs groups compared with the high-AGEs groups. There were no changes in the other components of the metabolic syndrome. The results of this review suggest that a diet with a low AGEs content has beneficial effects on insulin resistance, fasting insulin, total cholesterol, and LDL. Moreover, following a diet low in AGEs may be a helpful strategy to decrease the burden of metabolic syndrome risk factors in adults and particularly in patients with diabetes.
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Affiliation(s)
- Mohammad Hasan Sohouli
- Student Research Committee, Faculty of Public Health Branch, Iran University of Medical Sciences, Tehran, Iran,Department of Nutrition, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | - Somaye Fatahi
- Student Research Committee, Faculty of Public Health Branch, Iran University of Medical Sciences, Tehran, Iran,Pediatric Gastroenterology, Hepatology and Nutrition Research Center, Research Institute for Children's Health, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Elham Sharifi-Zahabi
- Department of Nutrition, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | - Heitor O Santos
- School of Medicine, Federal University of Uberlândia, Uberlândia, Brazil
| | | | - Abolfazl Lari
- Student Research Committee, Faculty of Public Health Branch, Iran University of Medical Sciences, Tehran, Iran,Department of Nutrition, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | - Behnaz Pourrajab
- Student Research Committee, Faculty of Public Health Branch, Iran University of Medical Sciences, Tehran, Iran,Department of Nutrition, School of Public Health, Iran University of Medical Sciences, Tehran, Iran
| | - Hamed Kord-Varkaneh
- Department of Clinical Nutrition and Dietetics, Faculty of Nutrition and Food Technology, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - Mihnea-Alexandru Găman
- Carol Davila University of Medicine and Pharmacy, Bucharest, Romania,Center of Hematology and Bone Marrow Transplantation, Fundeni Clinical Institute, Bucharest, Romania
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23
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Viramontes Hörner D, Willingham FC, Selby NM, Taal MW. Impact of Dietetic Intervention on Skin Autofluorescence and Nutritional Status in Persons Receiving Dialysis: A Proof of Principle Study. J Ren Nutr 2020; 30:540-547. [DOI: 10.1053/j.jrn.2019.12.006] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2019] [Accepted: 12/12/2019] [Indexed: 01/01/2023] Open
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24
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Sourris KC, Watson A, Jandeleit-Dahm K. Inhibitors of Advanced Glycation End Product (AGE) Formation and Accumulation. Handb Exp Pharmacol 2020; 264:395-423. [PMID: 32809100 DOI: 10.1007/164_2020_391] [Citation(s) in RCA: 20] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
A range of chemically different compounds are known to inhibit the formation and accumulation of advanced glycation end products (AGEs) or disrupt associated signalling pathways. There is evidence that some of these agents can provide end-organ protection in chronic diseases including diabetes. Whilst this group of therapeutics are structurally and functionally different and have a range of mechanisms of action, they ultimately reduce the deleterious actions and the tissue burden of advanced glycation end products. To date it remains unclear if this is due to the reduction in tissue AGE levels per se or the modulation of downstream signal pathways. Some of these agents either stimulate antioxidant defence or reduce the formation of reactive oxygen species (ROS), modify lipid profiles and inhibit inflammation. A number of existing treatments for glucose lowering, hypertension and hyperlipidaemia are also known to reduce AGE formation as a by-product of their action. Targeted AGE formation inhibitors or AGE cross-link breakers have been developed and have shown beneficial effects in animal models of diabetic complications as well as other chronic conditions. However, only a few of these agents have progressed to clinical development. The failure of clinical translation highlights the importance of further investigation of the advanced glycation pathway, the diverse actions of agents which interfere with AGE formation, cross-linking or AGE receptor activation and their effect on the development and progression of chronic diseases including diabetic complications. Advanced glycation end products (AGEs) are (1) proteins or lipids that become glycated as a result of exposure to sugars or (2) non-proteinaceous oxidised lipids. They are implicated in ageing and the development, or worsening, of many degenerative diseases, such as diabetes, atherosclerosis, chronic kidney and Alzheimer's disease. Several antihypertensive and antidiabetic agents and statins also indirectly lower AGEs. Direct AGE inhibitors currently investigated include pyridoxamine and epalrestat, the inhibition of the formation of reactive dicarbonyls such as methylglyoxal as an important precursor of AGEs via increased activation of the detoxifying enzyme Glo-1 and inhibitors of NOX-derived ROS to reduce the AGE/RAGE signalling.
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Affiliation(s)
- Karly C Sourris
- Department of Diabetes, Central Clinical School, Monash University, Melbourne, VIC, Australia
| | - Anna Watson
- Department of Diabetes, Central Clinical School, Monash University, Melbourne, VIC, Australia
| | - Karin Jandeleit-Dahm
- Department of Diabetes, Central Clinical School, Monash University, Melbourne, VIC, Australia.
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25
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Inacio MD, Costa MC, Lima TFO, Figueiredo ID, Motta BP, Spolidorio LC, Assis RP, Brunetti IL, Baviera AM. Pentoxifylline mitigates renal glycoxidative stress in obese mice by inhibiting AGE/RAGE signaling and increasing glyoxalase levels. Life Sci 2020; 258:118196. [PMID: 32763295 DOI: 10.1016/j.lfs.2020.118196] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2020] [Revised: 07/30/2020] [Accepted: 07/31/2020] [Indexed: 12/12/2022]
Abstract
AIM The pharmacological properties of pentoxifylline have been re-evaluated, particularly in chronic kidney disease in diabetes, favored by its anti-inflammatory action. Definitive evidences of renal outcomes are lacking, which indicates the need for investigation of novel mechanisms of action of pentoxifylline. We postulated that components associated with the metabolism of advanced glycation end products (AGEs) may be modulated by pentoxifylline, which consequently decreases the detrimental effects of obesity on kidneys. MAIN METHODS C57BL-6J mice were fed a high-fat diet for 14 weeks and treated with 50 mg/kg pentoxifylline during the last 7 weeks. Changes in the renal levels of AGE metabolism-associated components were investigated, with particular focus on the receptor for AGEs (RAGE), its downstream components, and components related to AGE detoxification, including glyoxalase 1 (GLO 1). KEY FINDINGS Pentoxifylline reduced body weight gain, improved insulin sensitivity and glucose tolerance, downregulated biomarkers of glycoxidative stress, and enhanced plasma paraoxonase 1 activity. In the kidneys, pentoxifylline inhibited glomerular expansion, lipid deposition, reduced pro-inflammatory cytokine levels, and induced the activation of AMP-activated protein kinase. Pentoxifylline inhibited the renal accumulation of AGEs and reduced the levels of RAGE and its downstream components, and consequently mitigated oxidative stress and apoptosis. Pentoxifylline also increased the renal levels of GLO 1 and the activities of antioxidant enzymes. Urinary albumin levels were observed to be lowered, which reconfirmed the antialbuminuric effects of pentoxifylline. SIGNIFICANCE The novel mechanisms of action help explain the renoprotective effects of pentoxifylline and the attenuation of obesity-associated renal complications related to glycoxidative stress.
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Affiliation(s)
- Maiara Destro Inacio
- São Paulo State University (Unesp), School of Pharmaceutical Sciences, Department of Clinical Analysis, Araraquara, São Paulo, Brazil
| | - Mariana Campos Costa
- São Paulo State University (Unesp), School of Pharmaceutical Sciences, Department of Clinical Analysis, Araraquara, São Paulo, Brazil
| | - Tayra Ferreira Oliveira Lima
- São Paulo State University (Unesp), School of Pharmaceutical Sciences, Department of Clinical Analysis, Araraquara, São Paulo, Brazil
| | - Ingrid Delbone Figueiredo
- São Paulo State University (Unesp), School of Pharmaceutical Sciences, Department of Clinical Analysis, Araraquara, São Paulo, Brazil
| | - Bruno Pereira Motta
- São Paulo State University (Unesp), School of Pharmaceutical Sciences, Department of Clinical Analysis, Araraquara, São Paulo, Brazil
| | - Luís Carlos Spolidorio
- São Paulo State University (Unesp), Araraquara School of Dentistry, Department of Physiology and Pathology, Araraquara, São Paulo, Brazil
| | - Renata Pires Assis
- São Paulo State University (Unesp), School of Pharmaceutical Sciences, Department of Clinical Analysis, Araraquara, São Paulo, Brazil; Paulista University (UNIP), Institute of Health Sciences, Araraquara, São Paulo, Brazil
| | - Iguatemy Lourenço Brunetti
- São Paulo State University (Unesp), School of Pharmaceutical Sciences, Department of Clinical Analysis, Araraquara, São Paulo, Brazil
| | - Amanda Martins Baviera
- São Paulo State University (Unesp), School of Pharmaceutical Sciences, Department of Clinical Analysis, Araraquara, São Paulo, Brazil.
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26
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Zhang Q, Wang Y, Fu L. Dietary advanced glycation end‐products: Perspectives linking food processing with health implications. Compr Rev Food Sci Food Saf 2020; 19:2559-2587. [DOI: 10.1111/1541-4337.12593] [Citation(s) in RCA: 57] [Impact Index Per Article: 14.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/17/2020] [Revised: 05/07/2020] [Accepted: 05/25/2020] [Indexed: 12/12/2022]
Affiliation(s)
- Qiaozhi Zhang
- Food Safety Key Laboratory of Zhejiang Province, School of Food Science and BiotechnologyZhejiang Gongshang University Hangzhou P.R. China
| | - Yanbo Wang
- Food Safety Key Laboratory of Zhejiang Province, School of Food Science and BiotechnologyZhejiang Gongshang University Hangzhou P.R. China
| | - Linglin Fu
- Food Safety Key Laboratory of Zhejiang Province, School of Food Science and BiotechnologyZhejiang Gongshang University Hangzhou P.R. China
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27
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Yubero-Serrano EM, Pérez-Martínez P. Advanced Glycation End Products and Their Involvement in Cardiovascular Disease. Angiology 2020; 71:698-700. [DOI: 10.1177/0003319720916301] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2022]
Affiliation(s)
- Elena M. Yubero-Serrano
- Lipids and Atherosclerosis Unit, Maimonides Institute for Biomedical Research in Cordoba, Reina Sofia University Hospital, University of Córdoba, Spain
- CIBER Physiopathology of Obesity and Nutrition (CIBEROBN), Institute of Health Carlos III, Madrid, Spain
| | - Pablo Pérez-Martínez
- Lipids and Atherosclerosis Unit, Maimonides Institute for Biomedical Research in Cordoba, Reina Sofia University Hospital, University of Córdoba, Spain
- CIBER Physiopathology of Obesity and Nutrition (CIBEROBN), Institute of Health Carlos III, Madrid, Spain
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28
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Ribeiro PVM, Tavares JF, Costa MAC, Mattar JB, Alfenas RCG. Effect of reducing dietary advanced glycation end products on obesity-associated complications: a systematic review. Nutr Rev 2020; 77:725-734. [PMID: 31228247 DOI: 10.1093/nutrit/nuz034] [Citation(s) in RCA: 22] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
CONTEXT Consumption of dietary advanced glycation end products (AGEs) is associated with oxidative stress, inflammation, and other chronic conditions commonly associated with obesity. OBJECTIVE To analyze the effects of dietary AGEs on complications associated with obesity. DATA SOURCES This systematic review was conducted and reported according to PRISMA guidelines. The PubMed, Cochrane, and Scopus databases were searched, using the terms "advanced glycation end products," "overweight," and "obesity." The last search was performed in October 2018. DATA EXTRACTION Six studies that evaluated the effects of low-AGE and high-AGE diets were included in the review. The duration of the studies ranged from 1 day to 12 weeks. A comparison of all the compiled data was conducted by the authors. DATA ANALYSIS Circulating and urinary AGE markers, besides soluble receptor for AGEs, were considered as the primary outcomes. The secondary outcomes were cardiometabolic, inflammatory, glycemic, anthropometric, and renal markers. CONCLUSIONS AGE-RAGE interactions can activate the NF-κB (nuclear factor kappa B) signaling pathway and inhibit the PI3K-AKT pathway in adipocytes, which may explain their association with chronic diseases. This interaction can be considered as a novel explanation for the pathogenesis of obesity. AGEs can also be used as a biomarker for monitoring responses to dietary interventions in overweight and obese people. SYSTEMATIC REVIEW REGISTRATION PROSPERO registration no. CRD42018082745.
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Affiliation(s)
- Priscila V M Ribeiro
- Department of Nutrition and Health, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brazil
| | - Juliana F Tavares
- Department of Nutrition and Health, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brazil
| | - Mirian A C Costa
- Department of Nutrition and Health, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brazil
| | - Jéssica B Mattar
- Department of Nutrition and Health, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brazil
| | - Rita C G Alfenas
- Department of Nutrition and Health, Universidade Federal de Viçosa, Viçosa, Minas Gerais, Brazil
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29
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Hassan S, Abdelrahman Moustafa A, Kabil SL, Mahmoud NM. Alagebrium Mitigates Metabolic Insults in High Carbohydrate and High Fat Diet Fed Wistar Rats. PHARMACEUTICAL SCIENCES 2020. [DOI: 10.34172/ps.2019.66] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022] Open
Abstract
Background: Metabolic syndrome (MS) is characterized by sustained hyperglycemia that triggers advanced glycation end products (AGEs) generation. Alagebrium (ALA) is an advanced glycation end products (AGEs) cross-links breaker.Methods: 32 Wistar rats were divided into normal control (NC) group (8 rats) and MS groups (24 rats) received a high carbohydrate high fat diet (HCFD) for 10 weeks. Rats with established MS were equally divided into 3 subgroups remained on HCFD for further 6 weeks: MS control (MSC), ALA treated received 10 mg/kg/day ALA orally and metformin treated (MF) (a reference drug) received 50 mg/kg/day MF orally. The studied parameters were systolic blood pressure (SBP), body and liver weights (BW, LW), LW/BW% ratio, fasting blood glucose (FBG), serum insulin, lipid profile, liver enzymes, serum AGEs, hepatic Interleukin-17 (IL-17), adipokines, pAkt/Akt ratio, and liver histopathology.Results: HCFD elevated SBP, BW, LW and LW/BW% ratio, FBG, serum insulin, and AGEs. It also deteriorated lipid profile and liver enzymes, induced inflammation, insulin resistance and histopathological derangements. ALA ameliorated the elevated SBP, FBG, lipid profile, liver enzymes, mitigated insulin resistance, hepatic IL-17, serum AGEs, modulated adipokines levels and improved liver histopathology. However, MF had better effects than ALA in all studied parameters except AGEs.Conclusion: ALA is protective against dietary-induced MS via ameliorating the inflammatory process and serum AGEs that implicated in MS pathogenesis, which makes it a promising new tool in MS treatment.
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Affiliation(s)
- Seba Hassan
- Department of Clinical Pharmacology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | | | - Soad Lotfy Kabil
- Department of Clinical Pharmacology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
| | - Nevertyty M Mahmoud
- Department of Clinical Pharmacology, Faculty of Medicine, Zagazig University, Zagazig, Egypt
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30
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Hellwig M, Humpf HU, Hengstler J, Mally A, Vieths S, Henle T. Quality Criteria for Studies on Dietary Glycation Compounds and Human Health. JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2019; 67:11307-11311. [PMID: 31514500 DOI: 10.1021/acs.jafc.9b04172] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Current reports increasingly associate dietary "advanced glycation end products" ("AGEs") resulting from the Maillard reaction (glycation) between reducing sugars and amino compounds in foods with pathophysiological consequences, such as chronic inflammation, atherosclerosis, and metabolic syndrome. Heated foods are therefore suggested to pose a potential risk for human health. However, studies in this field are very often based on questionable quantitative data and inadequate structural characterization. To improve the situation, the present perspective suggests quality criteria for future studies and the assessment of the currently available literature.
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Affiliation(s)
- Michael Hellwig
- Chair of Food Chemistry , Technische Universität Dresden , 01062 Dresden , Germany
| | - Hans-Ulrich Humpf
- Institute of Food Chemistry , Westfälische Wilhelms-Universität Münster , 48149 Münster , Germany
| | - Jan Hengstler
- Leibniz Research Centre for Working Environment and Human Factors (IfADo) , 44139 Dortmund , Germany
| | - Angela Mally
- Institute of Pharmacolgy and Toxicology , University of Würzburg , 97078 Würzburg , Germany
| | | | - Thomas Henle
- Chair of Food Chemistry , Technische Universität Dresden , 01062 Dresden , Germany
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31
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Zhuang A, Yap FYT, McCarthy D, Leung C, Sourris KC, Penfold SA, Thallas-Bonke V, Coughlan MT, Schulz BL, Forbes JM. Globally elevating the AGE clearance receptor, OST48, does not protect against the development of diabetic kidney disease, despite improving insulin secretion. Sci Rep 2019; 9:13664. [PMID: 31541173 PMCID: PMC6754370 DOI: 10.1038/s41598-019-50221-0] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2018] [Accepted: 09/09/2019] [Indexed: 01/08/2023] Open
Abstract
The accumulation of advanced glycation end products (AGEs) have been implicated in the development and progression of diabetic kidney disease (DKD). There has been interest in investigating the potential of AGE clearance receptors, such as oligosaccharyltransferase-48 kDa subunit (OST48) to prevent the detrimental effects of excess AGE accumulation seen in the diabetic kidney. Here the objective of the study was to increase the expression of OST48 to examine if this slowed the development of DKD by facilitating the clearance of AGEs. Groups of 8-week-old heterozygous knock-in male mice (n = 9-12/group) over-expressing the gene encoding for OST48, dolichyl-diphosphooligosaccharide-protein glycosyltransferase (DDOST+/-) and litter mate controls were randomised to either (i) no diabetes or (ii) diabetes induced via multiple low-dose streptozotocin and followed for 24 weeks. By the study end, global over expression of OST48 increased glomerular OST48. This facilitated greater renal excretion of AGEs but did not affect circulating or renal AGE concentrations. Diabetes resulted in kidney damage including lower glomerular filtration rate, albuminuria, glomerulosclerosis and tubulointerstitial fibrosis. In diabetic mice, tubulointerstitial fibrosis was further exacerbated by global increases in OST48. There was significantly insulin effectiveness, increased acute insulin secretion, fasting insulin concentrations and AUCinsulin observed during glucose tolerance testing in diabetic mice with global elevations in OST48 when compared to diabetic wild-type littermates. Overall, this study suggested that despite facilitating urinary-renal AGE clearance, there were no benefits observed on kidney functional and structural parameters in diabetes afforded by globally increasing OST48 expression. However, the improvements in insulin secretion seen in diabetic mice with global over-expression of OST48 and their dissociation from effects on kidney function warrant future investigation.
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Affiliation(s)
- Aowen Zhuang
- Glycation and Diabetes Complications, Mater Research Institute, The University of Queensland, Translational Research Institute, Woolloongabba, Australia.,School of Medicine, University of Queensland, St Lucia, Australia
| | - Felicia Y T Yap
- Baker IDI Heart and Diabetes Institute, Melbourne, Australia.,Department of Immunology, Central and Eastern Clinical School, AMREP Precinct, Monash University, Melbourne, Australia
| | - Domenica McCarthy
- Glycation and Diabetes Complications, Mater Research Institute, The University of Queensland, Translational Research Institute, Woolloongabba, Australia
| | - Chris Leung
- Department of Medicine, University of Melbourne, Austin Hospital, Heidelberg, Australia
| | - Karly C Sourris
- Baker IDI Heart and Diabetes Institute, Melbourne, Australia
| | - Sally A Penfold
- Baker IDI Heart and Diabetes Institute, Melbourne, Australia
| | | | | | - Benjamin L Schulz
- School of Chemistry and Molecular Biosciences, University of Queensland, St Lucia, Australia
| | - Josephine M Forbes
- Glycation and Diabetes Complications, Mater Research Institute, The University of Queensland, Translational Research Institute, Woolloongabba, Australia. .,School of Medicine, University of Queensland, St Lucia, Australia. .,Mater Clinical School, University of Queensland, St Lucia, Australia.
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32
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Chen YY, Yu XY, Chen L, Vaziri ND, Ma SC, Zhao YY. Redox signaling in aging kidney and opportunity for therapeutic intervention through natural products. Free Radic Biol Med 2019; 141:141-149. [PMID: 31199964 DOI: 10.1016/j.freeradbiomed.2019.06.012] [Citation(s) in RCA: 28] [Impact Index Per Article: 5.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 06/04/2019] [Accepted: 06/10/2019] [Indexed: 02/06/2023]
Abstract
Kidney diseases are serious public problems with high morbidity and mortality in the general population and heavily retard renal function with aging regardless of the cause. Although myriad strategies have been assigned to prevent or harness disease progression, unfortunately, thus far, there is a paucity of effective therapies partly due to an insufficient knowledge of underlying pathological mechanisms, indicating deeper studies are urgently needed. Additionally, natural products are increasingly recognized as an alternative source for disease intervention owing to the potent safety and efficacy, which might be exploited for novel drug discovery. In this review, we primarily expatiate the new advances on mediators that might be amenable to targeting aging kidney and kidney diseases, including nicotinamide adenine dinucleotide phosphate oxidase (NOX), transforming growth factor-β (TGF-β), renin-angiotensin system (RAS), nuclear factor-erythroid 2 related factor 2 (Nrf2), peroxisome proliferator-activated γ receptor (PPARγ), advanced glycation endproducts (AGEs) as well as microRNAs and vitagenes. Of note, we conclude by highlighting some natural products which have the potential to facilitate the development of novel treatment for patients with myriad renal diseases.
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Affiliation(s)
- Yuan-Yuan Chen
- School of Pharmacy, Faculty of Life Science & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an, Shaanxi, 710069, China
| | - Xiao-Yong Yu
- Department of Nephrology, Shaanxi Traditional Chinese Medicine Hospital, No. 2 Xihuamen, Xi'an, Shaanxi, 710003, China
| | - Lin Chen
- School of Pharmacy, Faculty of Life Science & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an, Shaanxi, 710069, China
| | - Nosratola D Vaziri
- Division of Nephrology and Hypertension, School of Medicine, University of California Irvine, Irvine, CA, 92897, USA
| | - Shuang-Cheng Ma
- National Institutes for Food and Drug Control, State Food and Drug Administration, No. 2 Tiantan Xili, Beijing, 100050, China.
| | - Ying-Yong Zhao
- School of Pharmacy, Faculty of Life Science & Medicine, Northwest University, No. 229 Taibai North Road, Xi'an, Shaanxi, 710069, China.
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Yamagishi SI. Role of Advanced Glycation Endproduct (AGE)-Receptor for Advanced Glycation Endproduct (RAGE) Axis in Cardiovascular Disease and Its Therapeutic Intervention. Circ J 2019; 83:1822-1828. [PMID: 31366777 DOI: 10.1253/circj.cj-19-0618] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Despite the early loss of glycemic differences between the original intensive therapy group and conventional treatment in the DCCT/EDIC and UKPDS 80 trials, a continued reduction in microvascular risk and risk reductions for emergency myocardial infarction and all-cause death were observed 10-30 years after the end of these trials. These observations demonstrated that so-called "metabolic memory" could cause chronic abnormalities in diabetic vessels that are not easily reversed, even by subsequent improvement in blood glucose levels, thus suggesting a long-term beneficial influence of early metabolic control; that is, legacy effects on the risk of vascular complications and death in patients with both type 1 and type 2 diabetes. Formation and accumulation of advanced glycation endproducts (AGEs) are known to progress at an accelerated rate under diabetes. Furthermore, AGEs are hardly degraded and remain for a long time in diabetic vessels even after glycemic control is improved. Therefore, AGEs could explain why former cumulative diabetic exposure could contribute to current progression of vascular complications in diabetes. Here, the clinical utility of measurement of serum and tissue accumulation levels of AGEs for evaluating the prevalence and severity of numerous types of cardiovascular disease is reviewed and novel therapeutic strategies that could target the AGE-RAGE axis in CVD are discussed.
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Affiliation(s)
- Sho-Ichi Yamagishi
- Division of Diabetes, Metabolism, and Endocrinology, Department of Medicine, Showa University School of Medicine
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Viramontes Hörner D, Selby NM, Taal MW. The Association of Nutritional Factors and Skin Autofluorescence in Persons Receiving Hemodialysis. J Ren Nutr 2019; 29:149-155. [DOI: 10.1053/j.jrn.2018.07.004] [Citation(s) in RCA: 16] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/15/2018] [Revised: 07/05/2018] [Accepted: 07/22/2018] [Indexed: 01/12/2023] Open
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Snelson M, Coughlan MT. Dietary Advanced Glycation End Products: Digestion, Metabolism and Modulation of Gut Microbial Ecology. Nutrients 2019; 11:nu11020215. [PMID: 30678161 PMCID: PMC6413015 DOI: 10.3390/nu11020215] [Citation(s) in RCA: 136] [Impact Index Per Article: 27.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2018] [Revised: 01/15/2019] [Accepted: 01/15/2019] [Indexed: 12/19/2022] Open
Abstract
The formation of advanced glycation end products (AGEs) in foods is accelerated with heat treatment, particularly within foods that are cooked at high temperatures for long periods of time using dry heat. The modern processed diet is replete with AGEs, and excessive AGE consumption is thought to be associated with a number of negative health effects. Many dietary AGEs have high molecular weight and are not absorbed in the intestine, and instead pass through to the colon, where they are available for metabolism by the colonic bacteria. Recent studies have been conducted to explore the effects of AGEs on the composition of the gut microbiota as well as the production of beneficial microbial metabolites, in particular, short-chain fatty acids. However, there is conflicting evidence regarding the impact of dietary AGEs on gut microbiota reshaping, which may be due, in part, to the formation of alternate compounds during the thermal treatment of foods. This review summarises the current evidence regarding dietary sources of AGEs, their gastrointestinal absorption and role in gut microbiota reshaping, provides a brief overview of the health implications of dietary AGEs and highlights knowledge gaps and avenues for future study.
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Affiliation(s)
- Matthew Snelson
- Department of Diabetes, Central Clinical School, Monash University, Alfred Medical Research and Education Precinct, 3004 Melbourne, Australia.
| | - Melinda T Coughlan
- Department of Diabetes, Central Clinical School, Monash University, Alfred Medical Research and Education Precinct, 3004 Melbourne, Australia.
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Lutz M, Fuentes E, Ávila F, Alarcón M, Palomo I. Roles of Phenolic Compounds in the Reduction of Risk Factors of Cardiovascular Diseases. Molecules 2019; 24:E366. [PMID: 30669612 PMCID: PMC6359321 DOI: 10.3390/molecules24020366] [Citation(s) in RCA: 59] [Impact Index Per Article: 11.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2018] [Revised: 01/09/2019] [Accepted: 01/12/2019] [Indexed: 12/12/2022] Open
Abstract
The population is now living longer during the period classified as "elderly" (60 years and older), exhibiting multimorbidity associated to the lengthening of the average life span. The dietary intake of phenolic compounds (PC) may affect the physiology, disease development and progression during the aging process, reducing risk factors of age related diseases. The aim of this review is to briefly describe some of the possible effects of a series of PC on the reduction of risk factors of the onset of cardiovascular diseases, considering their potential mechanisms of action. The main actions described for PC are associated with reduced platelet activity, anti-inflammatory effects, and the protection from oxidation to reduce LDL and the generation of advanced glycation end products. Preclinical and clinical evidence of the physiological effects of various PC is presented, as well as the health claims approved by regulatory agencies.
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Affiliation(s)
- Mariane Lutz
- Thematic Task Force on Healthy Aging, CUECH Research Network, Santiago, Chile.
- Interdisciplinary Center for Health Studies, CIESAL, Faculty of Medicine, Universidad de Valparaíso, Angamos 655, Reñaca, Viña del Mar 2520000, Chile.
| | - Eduardo Fuentes
- Thematic Task Force on Healthy Aging, CUECH Research Network, Santiago, Chile.
- Thrombosis Research Center, Department of Clinical Biochemistry and Immunohematology, Faculty of Health Sciences, Research Center for Aging, Universidad de Talca, 2 Norte 685, Talca 3460000, Chile.
| | - Felipe Ávila
- Thematic Task Force on Healthy Aging, CUECH Research Network, Santiago, Chile.
- Escuela de Nutrición y Dietética, Facultad de Ciencias de la Salud, Universidad de Talca, Talca 3460000, Chile.
| | - Marcelo Alarcón
- Thematic Task Force on Healthy Aging, CUECH Research Network, Santiago, Chile.
- Thrombosis Research Center, Department of Clinical Biochemistry and Immunohematology, Faculty of Health Sciences, Research Center for Aging, Universidad de Talca, 2 Norte 685, Talca 3460000, Chile.
| | - Iván Palomo
- Thematic Task Force on Healthy Aging, CUECH Research Network, Santiago, Chile.
- Thrombosis Research Center, Department of Clinical Biochemistry and Immunohematology, Faculty of Health Sciences, Research Center for Aging, Universidad de Talca, 2 Norte 685, Talca 3460000, Chile.
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Eleazu C, Omar N, Lim OZ, Yeoh BS, Nik Hussain NH, Mohamed M. Obesity and Comorbidity: Could Simultaneous Targeting of esRAGE and sRAGE Be the Panacea? Front Physiol 2019; 10:787. [PMID: 31293451 PMCID: PMC6603218 DOI: 10.3389/fphys.2019.00787] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/10/2019] [Accepted: 06/04/2019] [Indexed: 02/05/2023] Open
Abstract
Obesity, a chronic multifaceted disease, predisposes its patients to increased risk of metabolic disorders such as: diabetes mellitus, cardiovascular diseases, dyslipidemia, etc. Recent studies reported it to be amongst the leading causes of deaths in the world. Although several treatment options for obesity abound, many of them have not been able to successfully reverse the existing obesity and metabolic dysregulation. This has therefore warranted the need for either alternative therapies or diversification of the treatment approach for obesity and its comorbidity. When the receptor for advanced glycation end products (RAGE) interacts with its ligand, RAGE-ligand activates an inflammatory signaling cascade, that leads to the activation of nuclear factor kappa B (NF-κB) and transcription of inflammatory cytokines. This action has been associated with the development of obesity and its mediated metabolic dysregulation. In view of the increasing prevalence of obesity globally and the potential threat it places on life expectancy, this article reviewed the promising potentials of targeting endogenous secretory receptor for advanced glycation end products/soluble receptors for advanced glycation end products signaling as a treatment approach for obesity. We carried out a literature search in several electronic data bases such as: Pubmed, Pubmed Central, Google, Google Scholar, Scopus, and Medline from 1980 to 2019 to acquire the status of information concerning this. The article suggests the need for the development of an esRAGE/sRAGE targeted pharmacotherapy as a treatment approach for obesity and its comorbidity.
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Affiliation(s)
- Chinedum Eleazu
- Department of Physiology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Malaysia
- Department of Chemistry/Biochemistry/Molecular Biology, Alex Ekwueme Federal University, Ndufu-Alike, Ikwo, Nigeria
| | - Norsuhana Omar
- Department of Physiology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Malaysia
| | - Oon Zhi Lim
- Department of Physiology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Malaysia
| | - Boon Seng Yeoh
- Department of Physiology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Malaysia
| | | | - Mahaneem Mohamed
- Department of Physiology, School of Medical Sciences, Universiti Sains Malaysia, Kubang Kerian, Malaysia
- *Correspondence: Mahaneem Mohamed,
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Šebeková K, Brouder Šebeková K. Glycated proteins in nutrition: Friend or foe? Exp Gerontol 2018; 117:76-90. [PMID: 30458224 DOI: 10.1016/j.exger.2018.11.012] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/22/2018] [Revised: 09/20/2018] [Accepted: 11/16/2018] [Indexed: 12/18/2022]
Abstract
Advanced glycation end products (AGEs) are formed in in vivo, and accumulate in tissues and body fluids during ageing. Endogenous AGE-modified proteins show altered structure and function, and may interact with receptor for AGEs (RAGE) resulting in production of reactive oxygen species, inflammatory, atherogenic and diabetogenic responses. AGEs are also formed in thermally processed foods. Studies in rodents document that dietary AGEs are partially absorbed into circulation, and accumulate in different tissues. Knowledge on the health effects of high dietary intake of AGEs is incomplete and contradictory. In this overview we discuss the data from experimental and clinical studies, either those supporting the assumption that restriction of dietary AGEs associated with health benefits, or data suggesting that dietary intake of AGEs associates with positive health outcomes. We polemicize whether the effects of exaggerated intake or restriction of highly thermally processed foods might be straightforward interpreted as the effects of AGEs-rich vs. AGEs-restricted diets. We also underline the lack of studies, and thus a poor knowledge, on the effects of different single chemically defined AGEs administration, concurrent intake of different dietary AGEs, of load with dietary AGEs corresponding to the habitual diet in humans, and on those of dietary AGEs in vulnerable populations, such as infants and particularly elderly.
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Affiliation(s)
- Katarína Šebeková
- Institute of Molecular Biomedicine, Medical Faculty, Comenius University, Bratislava, Slovakia.
| | - Katarína Brouder Šebeková
- Intensive Care Unit, John Radcliffe Hospital, Oxford, United Kingdom of Great Britain and Northern Ireland
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Nowotny K, Schröter D, Schreiner M, Grune T. Dietary advanced glycation end products and their relevance for human health. Ageing Res Rev 2018; 47:55-66. [PMID: 29969676 DOI: 10.1016/j.arr.2018.06.005] [Citation(s) in RCA: 153] [Impact Index Per Article: 25.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2018] [Revised: 06/26/2018] [Accepted: 06/27/2018] [Indexed: 12/23/2022]
Abstract
Due to their bioactivity and harmful potential, advanced glycation end products (AGEs) are discussed to affect human health. AGEs are compounds formed endogenously in the human body andexogenously, especially, in foods while thermal processing. In contrast to endogenous AGEs, dietary AGEs are formed in much higher extent. However, their risk potential is also depending on absorption, distribution, metabolism and elimination. For over 10 years an intense debate on the risk of dietary AGEs on human health is going on. On the one hand, studies provided evidence that dietary AGEs contribute to clinical outcomes. On the other hand, human studies failed to observe any association. Because it was not possible to draw a final conclusion, the call for new interdisciplinary approaches arose. In this review, we will give an overview on the current state of scientific knowledge in this field. In particular, we focus on (I) the occurrence of AGEs in foods and the daily uptake of AGEs, (II) contribution to endogenous levels and (III) the effect on health-/disease-related biomarkers in humans.
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Affiliation(s)
- Kerstin Nowotny
- Department of Molecular Toxicology, German Institute of Human Nutrition Potsdam-Rehbruecke (DIfE), 14558 Nuthetal, Germany
| | - David Schröter
- Department of Molecular Toxicology, German Institute of Human Nutrition Potsdam-Rehbruecke (DIfE), 14558 Nuthetal, Germany; Leibniz Institute of Vegetable and Ornamental Crops Grossbeeren e.V. (IGZ), 14979 Grossbeeren, Germany; Institute of Food Chemistry, Hamburg School of Food Science, University of Hamburg, 20146 Hamburg, Germany
| | - Monika Schreiner
- Leibniz Institute of Vegetable and Ornamental Crops Grossbeeren e.V. (IGZ), 14979 Grossbeeren, Germany; NutriAct-Competence Cluster Nutrition Research Berlin-Potsdam, 14458 Nuthetal, Germany
| | - Tilman Grune
- Department of Molecular Toxicology, German Institute of Human Nutrition Potsdam-Rehbruecke (DIfE), 14558 Nuthetal, Germany; Institute of Nutrition, University of Potsdam, 14558 Nuthetal, Germany; German Center for Diabetes Research (DZD), 85764 München-Neuherberg, Germany; German Center for Cardiovascular Research (DZHK), 10117 Berlin, Germany; NutriAct-Competence Cluster Nutrition Research Berlin-Potsdam, 14458 Nuthetal, Germany.
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40
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Chen JH, Lin X, Bu C, Zhang X. Role of advanced glycation end products in mobility and considerations in possible dietary and nutritional intervention strategies. Nutr Metab (Lond) 2018; 15:72. [PMID: 30337945 PMCID: PMC6180645 DOI: 10.1186/s12986-018-0306-7] [Citation(s) in RCA: 106] [Impact Index Per Article: 17.7] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/22/2018] [Accepted: 09/21/2018] [Indexed: 02/08/2023] Open
Abstract
Advanced glycation end products (AGEs), a group of compounds that are formed by non-enzymatic reactions between carbonyl groups of reducing sugars and free amino groups of proteins, lipids or nucleic acids, can be obtained exogenously from diet or formed endogenously within the body. AGEs accumulate intracellularly and extracellularly in all tissues and body fluids and can cross-link with other proteins and thus affect their normal functions. Furthermore, AGEs can interact with specific cell surface receptors and hence alter cell intracellular signaling, gene expression, the production of reactive oxygen species and the activation of several inflammatory pathways. High levels of AGEs in diet as well as in tissues and the circulation are pathogenic to a wide range of diseases. With respect to mobility, AGEs accumulate in bones, joints and skeletal muscles, playing important roles in the development of osteoporosis, osteoarthritis, and sarcopenia with aging. This report covered the related pathological mechanisms and the potential pharmaceutical and dietary intervention strategies in reducing systemic AGEs. More prospective studies are needed to determine whether elevated serum AGEs and/or skin autofluorescence predict a decline in measures of mobility. In addition, human intervention studies are required to investigate the beneficial effects of exogenous AGEs inhibitors on mobility outcomes.
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Affiliation(s)
- Jie-Hua Chen
- Science and Technology Centre, By-Health Co. Ltd, No. 3 Kehui 3rd Street, No. 99 Kexue Avenue Central, Science City, Luogang District, Guangzhou, 510000 China
| | - Xu Lin
- CAS Key Laboratory of Nutrition, Metabolism and Food Safety, Shanghai Institute of Nutrition and Health, Shanghai Institutes for Biological Sciences, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Shanghai, 200031 China
| | - Cuihong Bu
- Science and Technology Centre, By-Health Co. Ltd, No. 3 Kehui 3rd Street, No. 99 Kexue Avenue Central, Science City, Luogang District, Guangzhou, 510000 China
| | - Xuguang Zhang
- Science and Technology Centre, By-Health Co. Ltd, No. 3 Kehui 3rd Street, No. 99 Kexue Avenue Central, Science City, Luogang District, Guangzhou, 510000 China
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Csongová M, Gurecká R, Koborová I, Celec P, Domonkos E, Uličná O, Somoza V, Šebeková K. The effects of a maternal advanced glycation end product-rich diet on somatic features, reflex ontogeny and metabolic parameters of offspring mice. Food Funct 2018; 9:3432-3446. [PMID: 29877548 DOI: 10.1039/c8fo00183a] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Maternal exposure to a Western type diet during pregnancy might predispose the offspring to manifestation of metabolic and behavioral disturbances in later life. The Western type diet contains large amounts of advanced glycation end products (AGEs). In humans and experimental rodents, the intake of an AGE-rich diet (AGE-RD) negatively affected glucose homeostasis, and initiated the production of reactive oxygen species. Rats consuming the AGE-RD presented changes in behavior. It remains unclear whether maternal intake of the AGE-RD might affect developmental plasticity in offspring. We examined early somatic (weight, incisor eruption, ear unfolding, and eye opening) and neuromotor development, oxidative status, insulin sensitivity (HOMA index) and locomotor activity assessed in PhenoTyper cages in the offspring of mice fed during pregnancy with either the AGE-RD (25% bread crusts/75% control chow) or control chow. Until weaning, the somatic development of offspring did not differ between the two dietary groups. The AGE-RD offspring manifested physiological reflexes (auditory startle, eye lid, ear twitch and righting reflexes) earlier. As young adults, the male offspring of the AGE-RD dams were heavier and less insulin sensitive compared with their control counterparts. The AGE-RD offspring showed higher locomotor activity during the active phase. Our data indicate that the maternal AGE-RD during pregnancy might accelerate the maturation of reflexes in offspring, predispose the male progeny to weight gain and affect their glucose homeostasis. These effects manifest without the direct consumption of the AGE-RD by offspring. Further work is needed to determine the mechanisms by which the maternal AGE-RD affects neurobehavioral pathways in offspring, as well as sex differences in adverse metabolic responses.
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Affiliation(s)
- Melinda Csongová
- Institute of Molecular Biomedicine, Faculty of Medicine, Comenius University, Bratislava, Slovakia.
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Vanholder R, Van Laecke S, Glorieux G, Verbeke F, Castillo-Rodriguez E, Ortiz A. Deleting Death and Dialysis: Conservative Care of Cardio-Vascular Risk and Kidney Function Loss in Chronic Kidney Disease (CKD). Toxins (Basel) 2018; 10:E237. [PMID: 29895722 PMCID: PMC6024824 DOI: 10.3390/toxins10060237] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2018] [Accepted: 05/11/2018] [Indexed: 02/07/2023] Open
Abstract
The uremic syndrome, which is the clinical expression of chronic kidney disease (CKD), is a complex amalgam of accelerated aging and organ dysfunctions, whereby cardio-vascular disease plays a capital role. In this narrative review, we offer a summary of the current conservative (medical) treatment options for cardio-vascular and overall morbidity and mortality risk in CKD. Since the progression of CKD is also associated with a higher cardio-vascular risk, we summarize the interventions that may prevent the progression of CKD as well. We pay attention to established therapies, as well as to novel promising options. Approaches that have been considered are not limited to pharmacological approaches but take into account lifestyle measures and diet as well. We took as many randomized controlled hard endpoint outcome trials as possible into account, although observational studies and post hoc analyses were included where appropriate. We also considered health economic aspects. Based on this information, we constructed comprehensive tables summarizing the available therapeutic options and the number and kind of studies (controlled or not, contradictory outcomes or not) with regard to each approach. Our review underscores the scarcity of well-designed large controlled trials in CKD. Nevertheless, based on the controlled and observational data, a therapeutic algorithm can be developed for this complex and multifactorial condition. It is likely that interventions should be aimed at targeting several modifiable factors simultaneously.
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Affiliation(s)
- Raymond Vanholder
- Nephrology Section, Department of Internal Medicine, Ghent University Hospital, 9000 Ghent, Belgium.
| | - Steven Van Laecke
- Nephrology Section, Department of Internal Medicine, Ghent University Hospital, 9000 Ghent, Belgium.
| | - Griet Glorieux
- Nephrology Section, Department of Internal Medicine, Ghent University Hospital, 9000 Ghent, Belgium.
| | - Francis Verbeke
- Nephrology Section, Department of Internal Medicine, Ghent University Hospital, 9000 Ghent, Belgium.
| | | | - Alberto Ortiz
- Department of Nephrology and Hypertension, IIS-Fundacion Jimenez Diaz UAM, 28040 Madrid, Spain.
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Advanced glycation end products in the pathogenesis of chronic kidney disease. Kidney Int 2018; 93:803-813. [DOI: 10.1016/j.kint.2017.11.034] [Citation(s) in RCA: 142] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2017] [Revised: 10/15/2017] [Accepted: 11/09/2017] [Indexed: 12/11/2022]
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Zhu Y, Snooks H, Sang S. Complexity of Advanced Glycation End Products in Foods: Where Are We Now? JOURNAL OF AGRICULTURAL AND FOOD CHEMISTRY 2018; 66:1325-1329. [PMID: 29378411 DOI: 10.1021/acs.jafc.7b05955] [Citation(s) in RCA: 34] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Recent clinical trials indicate that consumption of dietary advanced glycation end products (AGEs) may promote the development of major chronic diseases. However, the outcomes of human studies have proven inconclusive as a result of estimates of the total AGE intake being taken with a single AGE in most of the studies. In this perspective, we summarized the major types of AGEs derived from proteins, nucleic acids, and phospholipids during food processing and suggested a panel of AGEs as markers to better measure the intake of total dietary AGEs in human studies.
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Affiliation(s)
- Yingdong Zhu
- Laboratory for Functional Foods and Human Health, Center for Excellence in Post-Harvest Technologies, North Carolina Agricultural and Technical State University , North Carolina Research Campus, 500 Laureate Way, Kannapolis, North Carolina 28081, United States
| | - Hunter Snooks
- Laboratory for Functional Foods and Human Health, Center for Excellence in Post-Harvest Technologies, North Carolina Agricultural and Technical State University , North Carolina Research Campus, 500 Laureate Way, Kannapolis, North Carolina 28081, United States
| | - Shengmin Sang
- Laboratory for Functional Foods and Human Health, Center for Excellence in Post-Harvest Technologies, North Carolina Agricultural and Technical State University , North Carolina Research Campus, 500 Laureate Way, Kannapolis, North Carolina 28081, United States
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Rasouli H, Farzaei MH, Khodarahmi R. Polyphenols and their benefits: A review. INTERNATIONAL JOURNAL OF FOOD PROPERTIES 2017. [DOI: 10.1080/10942912.2017.1354017] [Citation(s) in RCA: 49] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Affiliation(s)
- Hassan Rasouli
- Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Mohammad Hosein Farzaei
- Pharmaceutical Sciences Research Center, Faculty of Pharmacy, Kermanshah University of Medical Sciences, Kermanshah, Iran
| | - Reza Khodarahmi
- Medical Biology Research Center, Kermanshah University of Medical Sciences, Kermanshah, Iran
- Department of Pharmacognosy and Biotechnology, Faculty of Pharmacy, Kermanshah University of Medical Sciences, Kermanshah, Iran
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Luévano-Contreras C, Gómez-Ojeda A, Macías-Cervantes MH, Garay-Sevilla ME. Dietary Advanced Glycation End Products and Cardiometabolic Risk. Curr Diab Rep 2017; 17:63. [PMID: 28695383 DOI: 10.1007/s11892-017-0891-2] [Citation(s) in RCA: 30] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
PURPOSE OF REVIEW This report analyzes emerging evidence about the role of dietary advanced glycation end products (AGEs) as a cardiometabolic risk factor. Two important aspects are discussed: First, the modulation of AGE load by dietary AGEs; second, if the evidence of clinical and observational studies is enough to make dietary recommendations towards lowering AGE intake. RECENT FINDINGS Clinical studies in subjects with diabetes mellitus have shown that high intake of dietary AGEs increases inflammation markers, oxidative stress, and could impair endothelial function. In subjects at risk for cardiometabolic diseases (with overweight, obesity, or prediabetes), dietary AGE restriction decreases some inflammatory molecules and improves insulin sensitivity. However, studies in healthy subjects are limited, and not all of the studies have shown a decrease in circulating AGEs. Therefore, it is still unclear if dietary AGEs represent a health concern for people potentially at risk for cardiometabolic diseases. The evidence shows that dietary AGEs are bioavailable and absorbed, and the rate of excretion depends on dietary intake. The metabolic fate of most dietary AGEs remains unknown. Regardless, most studies have shown that by diminishing AGE intake, circulating levels will also decrease. Thus, dietary AGEs can modulate the AGE load at least in patients with DM, overweight, or obesity. Studies with specific clinical outcomes and large-scale observational studies are needed for a better risk assessment of dietary AGEs and to establish dietary recommendations accordingly.
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Affiliation(s)
- Claudia Luévano-Contreras
- Department of Medical Sciences, University of Guanajuato, 20 de Enero 929, León, Guanajuato, Mexico.
| | - Armando Gómez-Ojeda
- Department of Medical Sciences, University of Guanajuato, 20 de Enero 929, León, Guanajuato, Mexico
| | | | - Ma Eugenia Garay-Sevilla
- Department of Medical Sciences, University of Guanajuato, 20 de Enero 929, León, Guanajuato, Mexico
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Effect of dietary advanced glycation end products on inflammation and cardiovascular risks in healthy overweight adults: a randomised crossover trial. Sci Rep 2017. [PMID: 28646140 PMCID: PMC5482825 DOI: 10.1038/s41598-017-04214-6] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
Diets high in advanced glycation end products (AGEs) are thought to be detrimental to cardiovascular health. However, there remains uncertainty about the beneficial effect of a low AGE diet on cardiovascular risk factors and inflammatory markers in overweight individuals. We thus performed a randomised, double blind, crossover trial to determine whether consumption of low AGE diets reduce inflammation and cardiovascular risks in overweight and obese otherwise healthy adults. All participants (n = 20) consumed low and high AGE diets alternately for two weeks and separated by a four week washout period. Low AGE diets did not change systolic (p = 0.2) and diastolic blood pressure (p = 0.3), mean arterial pressure (p = 0.8) and pulse pressure (p = 0.2) compared to high AGE diets. Change in total cholesterol (p = 0.3), low-density lipoprotein (p = 0.7), high-density lipoprotein (p = 0.2), and triglycerides (p = 0.4) also did not differ and there was no difference in inflammatory markers: interleukin-6 (p = 0.6), monocyte chemoattractant protein-1 (p = 0.9), tumour necrosis factor α (p = 0.2), C-reactive protein (p = 0.6) and nuclear factor kappa beta (p = 0.2). These findings indicate that consumption of low AGE diets for two weeks did not improve the inflammatory and cardiovascular profiles of overweight and obese adults.
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Baye E, Kiriakova V, Uribarri J, Moran LJ, de Courten B. Consumption of diets with low advanced glycation end products improves cardiometabolic parameters: meta-analysis of randomised controlled trials. Sci Rep 2017; 7:2266. [PMID: 28536448 PMCID: PMC5442099 DOI: 10.1038/s41598-017-02268-0] [Citation(s) in RCA: 52] [Impact Index Per Article: 7.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2016] [Accepted: 04/10/2017] [Indexed: 01/05/2023] Open
Abstract
Studies examining the effects of consumption of diets low in advanced glycation end products (AGEs) on cardiometabolic parameters are conflicting. Hence, we performed a meta-analysis to determine the effect of low AGE diets in reducing cardiometabolic risk factors. Seventeen randomised controlled trials comprising 560 participants were included. Meta-analyses using random effects models were used to analyse the data. Low AGE diets decreased insulin resistance (mean difference [MD] −1.3, 95% CI −2.3, −0.2), total cholesterol (MD −8.5 mg/dl, 95% CI −9.5, −7.4) and low-density lipoprotein (MD −2.4 mg/dl, 95% CI −3.4, −1.3). There were no changes in weight, fasting glucose, 2-h glucose and insulin, haemoglobin A1c, high-density lipoprotein or blood pressure. In a subgroup of patients with type 2 diabetes, a decrease in fasting insulin (MD −7 µU/ml, 95% CI −11.5, −2.5) was observed. Tumour necrosis factor α, vascular cell adhesion molecule-1, 8-isoprostane, leptin, circulating AGEs and receptor for AGEs were reduced after consumption of low AGE diets with increased adiponectin and sirtuin-1. Our findings suggest that diets low in AGEs may be an effective strategy for improving cardiometabolic profiles in individuals with and without type 2 diabetes.
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Affiliation(s)
- Estifanos Baye
- Monash Centre for Health Research and Implementation, School of Public Health and Preventive Medicine, Monash University, 43-51 Kanooka Grove, Clayton, VIC 3168, Australia
| | - Velislava Kiriakova
- Monash Centre for Health Research and Implementation, School of Public Health and Preventive Medicine, Monash University, 43-51 Kanooka Grove, Clayton, VIC 3168, Australia
| | - Jaime Uribarri
- Department of Medicine, The Mount Sinai School of Medicine, One Gustave Levy Place, New York, NY, 10029, USA
| | - Lisa J Moran
- Monash Centre for Health Research and Implementation, School of Public Health and Preventive Medicine, Monash University, 43-51 Kanooka Grove, Clayton, VIC 3168, Australia
| | - Barbora de Courten
- Monash Centre for Health Research and Implementation, School of Public Health and Preventive Medicine, Monash University, 43-51 Kanooka Grove, Clayton, VIC 3168, Australia.
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Snelson M, Clarke RE, Coughlan MT. Stirring the Pot: Can Dietary Modification Alleviate the Burden of CKD? Nutrients 2017; 9:nu9030265. [PMID: 28287463 PMCID: PMC5372928 DOI: 10.3390/nu9030265] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2017] [Revised: 02/27/2017] [Accepted: 03/06/2017] [Indexed: 02/06/2023] Open
Abstract
Diet is one of the largest modifiable risk factors for chronic kidney disease (CKD)-related death and disability. CKD is largely a progressive disease; however, it is increasingly appreciated that hallmarks of chronic kidney disease such as albuminuria can regress over time. The factors driving albuminuria resolution remain elusive. Since albuminuria is a strong risk factor for GFR loss, modifiable lifestyle factors that lead to an improvement in albuminuria would likely reduce the burden of CKD in high-risk individuals, such as patients with diabetes. Dietary therapy such as protein and sodium restriction has historically been used in the management of CKD. Evidence is emerging to indicate that other nutrients may influence kidney health, either through metabolic or haemodynamic pathways or via the modification of gut homeostasis. This review focuses on the role of diet in the pathogenesis and progression of CKD and discusses the latest findings related to the mechanisms of diet-induced kidney disease. It is possible that optimizing diet quality or restricting dietary intake could be harnessed as an adjunct therapy for CKD prevention or progression in susceptible individuals, thereby reducing the burden of CKD.
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Affiliation(s)
- Matthew Snelson
- Glycation, Nutrition and Metabolism Laboratory, Baker IDI Heart and Diabetes Institute, Melbourne 3004, Australia.
| | - Rachel E Clarke
- Glycation, Nutrition and Metabolism Laboratory, Baker IDI Heart and Diabetes Institute, Melbourne 3004, Australia.
- Department of Physiology, Monash University, Clayton 3800, Australia.
| | - Melinda T Coughlan
- Glycation, Nutrition and Metabolism Laboratory, Baker IDI Heart and Diabetes Institute, Melbourne 3004, Australia.
- Department of Diabetes, Central Clinical School, Monash University, Alfred Medical Research and Education Precinct, Melbourne 3004, Australia.
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Matafome P, Rodrigues T, Sena C, Seiça R. Methylglyoxal in Metabolic Disorders: Facts, Myths, and Promises. Med Res Rev 2017; 37:368-403. [PMID: 27636890 DOI: 10.1002/med.21410] [Citation(s) in RCA: 62] [Impact Index Per Article: 8.9] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/04/2016] [Revised: 08/07/2016] [Accepted: 08/12/2016] [Indexed: 08/26/2024]
Abstract
Glucose and fructose metabolism originates the highly reactive byproduct methylglyoxal (MG), which is a strong precursor of advanced glycation end products (AGE). The MG has been implicated in classical diabetic complications such as retinopathy, nephropathy, and neuropathy, but has also been recently associated with cardiovascular diseases and central nervous system disorders such as cerebrovascular diseases and dementia. Recent studies even suggested its involvement in insulin resistance and beta-cell dysfunction, contributing to the early development of type 2 diabetes and creating a vicious circle between glycation and hyperglycemia. Despite several drugs and natural compounds have been identified in the last years in order to scavenge MG and inhibit AGE formation, we are still far from having an effective strategy to prevent MG-induced mechanisms. This review summarizes the endogenous and exogenous sources of MG, also addressing the current controversy about the importance of exogenous MG sources. The mechanisms by which MG changes cell behavior and its involvement in type 2 diabetes development and complications and the pathophysiological implication are also summarized. Particular emphasis will be given to pathophysiological relevance of studies using higher MG doses, which may have produced biased results. Finally, we also overview the current knowledge about detoxification strategies, including modulation of endogenous enzymatic systems and exogenous compounds able to inhibit MG effects on biological systems.
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Affiliation(s)
- Paulo Matafome
- Laboratory of Physiology, Institute of Biomedical Imaging and Life Sciences (IBILI), Faculty of Medicine, University of Coimbra, 3000-548, Coimbra, Portugal
- Department of Complementary Sciences, Coimbra Health School (ESTeSC), Instituto Politécnico de Coimbra, 3045-601, Coimbra, Portugal
| | - Tiago Rodrigues
- Laboratory of Physiology, Institute of Biomedical Imaging and Life Sciences (IBILI), Faculty of Medicine, University of Coimbra, 3000-548, Coimbra, Portugal
| | - Cristina Sena
- Laboratory of Physiology, Institute of Biomedical Imaging and Life Sciences (IBILI), Faculty of Medicine, University of Coimbra, 3000-548, Coimbra, Portugal
| | - Raquel Seiça
- Laboratory of Physiology, Institute of Biomedical Imaging and Life Sciences (IBILI), Faculty of Medicine, University of Coimbra, 3000-548, Coimbra, Portugal
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