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Shen CY, Lu CH, Cheng CF, Li KJ, Kuo YM, Wu CH, Liu CH, Hsieh SC, Tsai CY, Yu CL. Advanced Glycation End-Products Acting as Immunomodulators for Chronic Inflammation, Inflammaging and Carcinogenesis in Patients with Diabetes and Immune-Related Diseases. Biomedicines 2024; 12:1699. [PMID: 39200164 PMCID: PMC11352041 DOI: 10.3390/biomedicines12081699] [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: 06/30/2024] [Revised: 07/22/2024] [Accepted: 07/27/2024] [Indexed: 09/02/2024] Open
Abstract
Increased production of advanced glycation end products (AGEs) among reducing sugars (glucose, fructose, galactose, or ribose) and amino acids/proteins via non-enzymatic Maillard reaction can be found in lifestyle-related disease (LSRD), metabolic syndrome (MetS), and obesity and immune-related diseases. Increased serum levels of AGEs may induce aging, diabetic complications, cardiovascular diseases (CVD), neurodegenerative diseases (NDD), cancer, and inflamm-aging (inflammation with immunosenescence). The Maillard reaction can also occur among reducing sugars and lipoproteins or DNAs to alter their structure and induce immunogenicity/genotoxicity for carcinogenesis. AGEs, as danger-associated molecular pattern molecules (DAMPs), operate via binding to receptor for AGE (RAGE) or other scavenger receptors on cell surface to activate PI3K-Akt-, P38-MAPK-, ERK1/2-JNK-, and MyD88-induced NF-κB signaling pathways to mediate various pathological effects. Recently, the concept of "inflamm-aging" became more defined, and we have unveiled some interesting findings in relation to it. The purpose of the present review is to dissect the potential molecular basis of inflamm-aging in patients with diabetes and immune-mediated diseases caused by different AGEs.
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Affiliation(s)
- Chieh-Yu Shen
- Department of Internal Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, # 7 Chung-Shan South Road, Taipei 10002, Taiwan; (C.-Y.S.); (C.-H.L.); (C.-F.C.); (K.-J.L.)
| | - Cheng-Hsun Lu
- Department of Internal Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, # 7 Chung-Shan South Road, Taipei 10002, Taiwan; (C.-Y.S.); (C.-H.L.); (C.-F.C.); (K.-J.L.)
- Institute of Clinical Medicine, National Taiwan University College of Medicine, # 7 Chung-Shan South Road, Taipei 10002, Taiwan
| | - Chiao-Feng Cheng
- Department of Internal Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, # 7 Chung-Shan South Road, Taipei 10002, Taiwan; (C.-Y.S.); (C.-H.L.); (C.-F.C.); (K.-J.L.)
- Institute of Clinical Medicine, National Taiwan University College of Medicine, # 7 Chung-Shan South Road, Taipei 10002, Taiwan
| | - Ko-Jen Li
- Department of Internal Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, # 7 Chung-Shan South Road, Taipei 10002, Taiwan; (C.-Y.S.); (C.-H.L.); (C.-F.C.); (K.-J.L.)
| | - Yu-Min Kuo
- Department of Internal Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, # 7 Chung-Shan South Road, Taipei 10002, Taiwan; (C.-Y.S.); (C.-H.L.); (C.-F.C.); (K.-J.L.)
| | - Cheng-Han Wu
- Department of Internal Medicine, National Taiwan University Hospital-Hsinchu Branch, # 2, Section 1, Shengyi Road, Hsinchu County 302058, Taiwan;
| | - Chin-Hsiu Liu
- Department of Internal Medicine, National Taiwan University Hospital-Yunlin Branch, # 579, Section 2, Yunlin Road, Yunlin County 640203, Taiwan;
| | - Song-Chou Hsieh
- Department of Internal Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, # 7 Chung-Shan South Road, Taipei 10002, Taiwan; (C.-Y.S.); (C.-H.L.); (C.-F.C.); (K.-J.L.)
| | - Chang-Youh Tsai
- Department of Internal Medicine, Fu-Jen Catholic University Hospital, College of Medicine, Fu-Jen Catholic University, # 69 Guizi Road, New Taipei City 24352, Taiwan
| | - Chia-Li Yu
- Department of Internal Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, # 7 Chung-Shan South Road, Taipei 10002, Taiwan; (C.-Y.S.); (C.-H.L.); (C.-F.C.); (K.-J.L.)
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The Role of Advanced Glycation End Products on Dyslipidemia. Metabolites 2023; 13:metabo13010077. [PMID: 36677002 PMCID: PMC9862879 DOI: 10.3390/metabo13010077] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2022] [Revised: 12/28/2022] [Accepted: 12/29/2022] [Indexed: 01/05/2023] Open
Abstract
Disorders of lipoprotein metabolism and glucose homeostasis are common consequences of insulin resistance and usually co-segregate in patients with metabolic syndrome and type 2 diabetes mellitus (DM). Insulin-resistant subjects are characterized by atherogenic dyslipidemia, a specific lipid pattern which includes hypertriglyceridemia, reduced high-density lipoprotein cholesterol level, and increased proportion of small, dense low-density lipoprotein (LDL). Chronic hyperglycemia favors the processes of non-enzymatic glycation, leading to the increased production of advanced glycation end products (AGEs). Apart from direct harmful effects, AGEs are also potent inducers of oxidative stress and inflammation. In addition, increased AGEs' production may induce further qualitative modifications of small, dense LDL particles, converting them to glycated LDLs. These particles are even more atherogenic and may confer an increased cardiovascular risk. In this narrative review, we summarize the available evidence of the pathophysiological role and clinical importance of circulating AGEs and glycated LDLs in patients with dyslipidemia, particularly those with DM and related complications. In addition, we discuss recent advances and the issues that should be improved regarding laboratory assessment of AGEs and glycated LDLs, as well as the possibilities for their therapeutic modulation.
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Demirer B, Samur G. Possible effects of dietary advanced glycation end products on maternal and fetal health: a review. Nutr Rev 2022:6762058. [PMID: 36250798 DOI: 10.1093/nutrit/nuac090] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022] Open
Abstract
Excessive accumulation of advanced glycation end products (AGEs) in the body has been associated with many adverse health conditions. The common point of the pathologies associated at this point is oxidative stress and inflammation. Pregnancy is an important period in which many physiological, psychological, and biological changes are experienced. Along with the physiological changes that occur during this period, the mother maintaining an AGE-rich diet may cause an increase in the body's AGE pool and may increase oxidative stress and inflammation, as seen in healthy individuals. Studies have reported the negative effects of maternal AGE levels on maternal and fetal health during pregnancy. Although gestational diabetes, preeclampsia, endothelial dysfunction, and pelvic diseases constitute maternal complications, a number of pathological conditions such as intrauterine growth retardation, premature birth, neural tube defect, neurobehavioral developmental disorders, fetal death, and neonatal asphyxia constitute fetal complications. It is thought that the mechanisms of these complications have not been confirmed yet and more clinical studies are needed on this subject. The possible effects of dietary AGE levels during pregnancy on maternal and fetal health are examined in this review.
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Affiliation(s)
- Büşra Demirer
- Nutrition and Dietetics, Karabuk University, Karabuk, Turkey
| | - Gülhan Samur
- Nutrition and Dietetics, Hacettepe University, Ankara, Turkey
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De Masi R, Orlando S. GANAB and N-Glycans Substrates Are Relevant in Human Physiology, Polycystic Pathology and Multiple Sclerosis: A Review. Int J Mol Sci 2022; 23:7373. [PMID: 35806376 PMCID: PMC9266668 DOI: 10.3390/ijms23137373] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 06/22/2022] [Accepted: 06/28/2022] [Indexed: 11/29/2022] Open
Abstract
Glycans are one of the four fundamental macromolecular components of living matter, and they are highly regulated in the cell. Their functions are metabolic, structural and modulatory. In particular, ER resident N-glycans participate with the Glc3Man9GlcNAc2 highly conserved sequence, in protein folding process, where the physiological balance between glycosylation/deglycosylation on the innermost glucose residue takes place, according GANAB/UGGT concentration ratio. However, under abnormal conditions, the cell adapts to the glucose availability by adopting an aerobic or anaerobic regimen of glycolysis, or to external stimuli through internal or external recognition patterns, so it responds to pathogenic noxa with unfolded protein response (UPR). UPR can affect Multiple Sclerosis (MS) and several neurological and metabolic diseases via the BiP stress sensor, resulting in ATF6, PERK and IRE1 activation. Furthermore, the abnormal GANAB expression has been observed in MS, systemic lupus erythematous, male germinal epithelium and predisposed highly replicating cells of the kidney tubules and bile ducts. The latter is the case of Polycystic Liver Disease (PCLD) and Polycystic Kidney Disease (PCKD), where genetically induced GANAB loss affects polycystin-1 (PC1) and polycystin-2 (PC2), resulting in altered protein quality control and cyst formation phenomenon. Our topics resume the role of glycans in cell physiology, highlighting the N-glycans one, as a substrate of GANAB, which is an emerging key molecule in MS and other human pathologies.
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Affiliation(s)
- Roberto De Masi
- Complex Operative Unit of Neurology, “F. Ferrari” Hospital, Casarano, 73042 Lecce, Italy;
- Laboratory of Neuroproteomics, Multiple Sclerosis Centre, “F. Ferrari” Hospital, Casarano, 73042 Lecce, Italy
| | - Stefania Orlando
- Laboratory of Neuroproteomics, Multiple Sclerosis Centre, “F. Ferrari” Hospital, Casarano, 73042 Lecce, Italy
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Chen CY, Zhang JQ, Li L, Guo MM, He YF, Dong YM, Meng H, Yi F. Advanced Glycation End Products in the Skin: Molecular Mechanisms, Methods of Measurement, and Inhibitory Pathways. Front Med (Lausanne) 2022; 9:837222. [PMID: 35646963 PMCID: PMC9131003 DOI: 10.3389/fmed.2022.837222] [Citation(s) in RCA: 24] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2021] [Accepted: 04/21/2022] [Indexed: 12/19/2022] Open
Abstract
Advanced glycation end products (AGEs) are a series of stable compounds produced under non-enzymatic conditions by the amino groups of biomacromolecules and the free carbonyl groups of glucose or other reducing sugars commonly produced by thermally processed foods. AGEs can cause various diseases, such as diabetes, atherosclerosis, neurodegeneration, and chronic kidney disease, by triggering the receptors of AGE (RAGEs) in the human body. There is evidence that AGEs can also affect the different structures and physiological functions of the skin. However, the mechanism is complicated and cumbersome and causes various harms to the skin. This article aims to identify and summarise the formation and characteristics of AGEs, focussing on the molecular mechanisms by which AGEs affect the composition and structure of normal skin substances at different skin layers and induce skin issues. We also discuss prevention and inhibition pathways, provide a systematic and comprehensive method for measuring the content of AGEs in human skin, and summarise and analyse their advantages and disadvantages. This work can help researchers acquire a deeper understanding of the relationship between AGEs and the skin and provides a basis for the development of effective ingredients that inhibit glycation.
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Affiliation(s)
- Chun-Yu Chen
- Beijing Key Laboratory of Plant Resources Research and Development, Beijing Technology and Business University, Beijing, China.,Key Laboratory of Cosmetic, China National Light Industry, Beijing Technology and Business University, Beijing, China.,Institute of Cosmetic Regulatory Science, Beijing Technology and Business University, Beijng, China
| | - Jia-Qi Zhang
- Beijing Key Laboratory of Plant Resources Research and Development, Beijing Technology and Business University, Beijing, China.,Key Laboratory of Cosmetic, China National Light Industry, Beijing Technology and Business University, Beijing, China.,Institute of Cosmetic Regulatory Science, Beijing Technology and Business University, Beijng, China
| | - Li Li
- Beijing Key Laboratory of Plant Resources Research and Development, Beijing Technology and Business University, Beijing, China.,Key Laboratory of Cosmetic, China National Light Industry, Beijing Technology and Business University, Beijing, China.,Institute of Cosmetic Regulatory Science, Beijing Technology and Business University, Beijng, China
| | - Miao-Miao Guo
- Beijing Key Laboratory of Plant Resources Research and Development, Beijing Technology and Business University, Beijing, China.,Key Laboratory of Cosmetic, China National Light Industry, Beijing Technology and Business University, Beijing, China.,Institute of Cosmetic Regulatory Science, Beijing Technology and Business University, Beijng, China
| | - Yi-Fan He
- Beijing Key Laboratory of Plant Resources Research and Development, Beijing Technology and Business University, Beijing, China.,Key Laboratory of Cosmetic, China National Light Industry, Beijing Technology and Business University, Beijing, China.,Institute of Cosmetic Regulatory Science, Beijing Technology and Business University, Beijng, China
| | - Yin-Mao Dong
- Beijing Key Laboratory of Plant Resources Research and Development, Beijing Technology and Business University, Beijing, China.,Key Laboratory of Cosmetic, China National Light Industry, Beijing Technology and Business University, Beijing, China.,Institute of Cosmetic Regulatory Science, Beijing Technology and Business University, Beijng, China
| | - Hong Meng
- Beijing Key Laboratory of Plant Resources Research and Development, Beijing Technology and Business University, Beijing, China.,Key Laboratory of Cosmetic, China National Light Industry, Beijing Technology and Business University, Beijing, China.,Institute of Cosmetic Regulatory Science, Beijing Technology and Business University, Beijng, China
| | - Fan Yi
- Beijing Key Laboratory of Plant Resources Research and Development, Beijing Technology and Business University, Beijing, China.,Key Laboratory of Cosmetic, China National Light Industry, Beijing Technology and Business University, Beijing, China.,Institute of Cosmetic Regulatory Science, Beijing Technology and Business University, Beijng, China
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6
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Amaro A, Baptista FI, Matafome P. Programming of future generations during breastfeeding: The intricate relation between metabolic and neurodevelopment disorders. Life Sci 2022; 298:120526. [DOI: 10.1016/j.lfs.2022.120526] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/15/2022] [Revised: 03/28/2022] [Accepted: 03/29/2022] [Indexed: 11/27/2022]
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7
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Early postnatal exposure of rat pups to methylglyoxal induces oxidative stress, inflammation and dysmetabolism at adulthood. J Dev Orig Health Dis 2022; 13:617-625. [DOI: 10.1017/s204017442100074x] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
Abstract
This work aimed to investigate the effects of early progeny exposure to methylglyoxal (MG), programming for metabolic dysfunction and diabetes-like complications later in life. At delivery (PN1), the animals were separated into two groups: control group (CO), treated with saline, and MG group, treated with MG (20 mg/kg of BW; i.p.) during the first 2 weeks of the lactation period. In vivo experiments and tissue collection were done at PN90. Early MG exposure decreased body weight, adipose tissue, liver and kidney weight at adulthood. On the other hand, MG group showed increased relative food intake, blood fructosamine, blood insulin and HOMA-IR, which is correlated with insulin resistance. Besides, MG-treated animals presented dyslipidaemia, increased oxidative stress and inflammation. Likewise, MG group showed steatosis and perivascular fibrosis in the liver, pancreatic islet hypertrophy, increased glomerular area and pericapsular fibrosis, but reduced capsular space. This study shows that early postnatal exposure to MG induces oxidative stress, inflammation and fibrosis markers in pancreas, liver and kidney, which are related to metabolic dysfunction features. Thus, nutritional disruptors during lactation period may be an important risk factor for metabolic alterations at adulthood.
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Grilo LF, Tocantins C, Diniz MS, Gomes RM, Oliveira PJ, Matafome P, Pereira SP. Metabolic Disease Programming: From Mitochondria to Epigenetics, Glucocorticoid Signalling and Beyond. Eur J Clin Invest 2021; 51:e13625. [PMID: 34060076 DOI: 10.1111/eci.13625] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/30/2021] [Revised: 05/22/2021] [Accepted: 05/24/2021] [Indexed: 12/11/2022]
Abstract
Embryonic and foetal development are critical periods of development in which several environmental cues determine health and disease in adulthood. Maternal conditions and an unfavourable intrauterine environment impact foetal development and may programme the offspring for increased predisposition to metabolic diseases and other chronic pathologic conditions throughout adult life. Previously, non-communicable chronic diseases were only associated with genetics and lifestyle. Now the origins of non-communicable chronic diseases are associated with early-life adaptations that produce long-term dysfunction. Early-life environment sets the long-term health and disease risk and can span through multiple generations. Recent research in developmental programming aims at identifying the molecular mechanisms responsible for developmental programming outcomes that impact cellular physiology and trigger adulthood disease. The identification of new therapeutic targets can improve offspring's health management and prevent or overcome adverse consequences of foetal programming. This review summarizes recent biomedical discoveries in the Developmental Origins of Health and Disease (DOHaD) hypothesis and highlight possible developmental programming mechanisms, including prenatal structural defects, metabolic (mitochondrial dysfunction, oxidative stress, protein modification), epigenetic and glucocorticoid signalling-related mechanisms suggesting molecular clues for the causes and consequences of programming of increased susceptibility of offspring to metabolic disease after birth. Identifying mechanisms involved in DOHaD can contribute to early interventions in pregnancy or early childhood, to re-set the metabolic homeostasis and break the chain of subsequent events that could lead to the development of disease.
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Affiliation(s)
- Luís F Grilo
- CNC - Center for Neuroscience and Cell Biology, CIBB - Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal.,PhD Programme in Experimental Biology and Biomedicine (PDBEB), Institute for Interdisciplinary Research (IIIUC), University of Coimbra, Coimbra, Portugal
| | - Carolina Tocantins
- CNC - Center for Neuroscience and Cell Biology, CIBB - Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
| | - Mariana S Diniz
- CNC - Center for Neuroscience and Cell Biology, CIBB - Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
| | - Rodrigo Mello Gomes
- Department of Physiological Sciences, Biological Sciences Institute, Federal University of Goiás, Goiânia, Brazil
| | - Paulo J Oliveira
- CNC - Center for Neuroscience and Cell Biology, CIBB - Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal
| | - Paulo Matafome
- Center for Innovative Biomedicine and Biotechnology (CIBB), University of Coimbra, Coimbra, Portugal.,Coimbra Institute for Clinical and Biomedical Research (iCBR) and Institute of Physiology, Faculty of Medicine, University of Coimbra, Coimbra, Portugal.,Clinical Academic Center of Coimbra (CACC), Coimbra, Portugal.,Department of Complementary Sciences, Instituto Politécnico de Coimbra, Coimbra Health School (ESTeSC), Coimbra, Portugal
| | - Susana P Pereira
- CNC - Center for Neuroscience and Cell Biology, CIBB - Centre for Innovative Biomedicine and Biotechnology, University of Coimbra, Coimbra, Portugal.,Laboratory of Metabolism and Exercise (LametEx), Research Centre in Physical Activity, Health and Leisure (CIAFEL), Laboratory for Integrative and Translational Research in Population Health (ITR), Faculty of Sport, University of Porto, Porto, Portugal
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Chen Y, Guo TL. Dietary advanced glycation end-products elicit toxicological effects by disrupting gut microbiome and immune homeostasis. J Immunotoxicol 2021; 18:93-104. [PMID: 34436982 PMCID: PMC9885815 DOI: 10.1080/1547691x.2021.1959677] [Citation(s) in RCA: 16] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Abstract
The aging immune system is characterized by a low-grade chronic systemic inflammatory state ("inflammaging") marked by elevated serum levels of inflammatory molecules such as interleukin (IL)-6 and C-reactive protein (CRP). These inflammatory markers were also reported to be strong predictors for the development/severity of Type 2 diabetes, obesity, and COVID-19. The levels of these markers have been positively associated with those of advanced glycation end-products (AGEs) generated via non-enzymatic glycation and oxidation of proteins and lipids during normal aging and metabolism. Based on the above observations, it is clinically important to elucidate how dietary AGEs modulate inflammation and might thus increase the risk for aging-exacerbated diseases. The present narrative review discusses the potential pro-inflammatory properties of dietary AGEs with a focus on the inflammatory mediators CRP, IL-6 and ferritin, and their relations to aging in general and Type 2 diabetes in particular. In addition, underlying mechanisms - including those related to gut microbiota and the receptors for AGEs, and the roles AGEs might play in affecting physiologies of the healthy elderly, obese individuals, and diabetics are discussed in regard to any greater susceptibility to COVID-19.
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Affiliation(s)
- Yingjia Chen
- Department of Biomedical Sciences, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
| | - Tai L. Guo
- Department of Biomedical Sciences, College of Veterinary Medicine, University of Georgia, Athens, GA, USA
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Francisco FA, Saavedra LPJ, Junior MDF, Barra C, Matafome P, Mathias PCF, Gomes RM. Early AGEing and metabolic diseases: is perinatal exposure to glycotoxins programming for adult-life metabolic syndrome? Nutr Rev 2021; 79:13-24. [PMID: 32951053 DOI: 10.1093/nutrit/nuaa074] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
Perinatal early nutritional disorders are critical for the developmental origins of health and disease. Glycotoxins, or advanced glycation end-products, and their precursors such as the methylglyoxal, which are formed endogenously and commonly found in processed foods and infant formulas, may be associated with acute and long-term metabolic disorders. Besides general aspects of glycotoxins, such as their endogenous production, exogenous sources, and their role in the development of metabolic syndrome, we discuss in this review the sources of perinatal exposure to glycotoxins and their involvement in metabolic programming mechanisms. The role of perinatal glycotoxin exposure in the onset of insulin resistance, central nervous system development, cardiovascular diseases, and early aging also are discussed, as are possible interventions that may prevent or reduce such effects.
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Affiliation(s)
- Flávio A Francisco
- Department of Biotechnology, Genetics, and Cellular Biology, State University of Maringa, Maringa, PR, Brazil
| | - Lucas P J Saavedra
- Department of Biotechnology, Genetics, and Cellular Biology, State University of Maringa, Maringa, PR, Brazil
| | - Marcos D F Junior
- Department of Physiological Sciences, Federal University of Goiás, Goiânia, GO, Brazil
| | - Cátia Barra
- Institute of Physiology and Coimbra Institute of Clinical and Biomedical Research, Faculty of Medicine, and the Center for Innovative Biotechnology and Biomedicine, University of Coimbra; and the Clinical Academic Center of Coimbra, Coimbra, Portugal
| | - Paulo Matafome
- Institute of Physiology and Coimbra Institute of Clinical and Biomedical Research, Faculty of Medicine, and the Center for Innovative Biotechnology and Biomedicine, University of Coimbra; and the Clinical Academic Center of Coimbra, Coimbra, Portugal
| | - Paulo C F Mathias
- Department of Biotechnology, Genetics, and Cellular Biology, State University of Maringa, Maringa, PR, Brazil
| | - Rodrigo M Gomes
- Department of Physiological Sciences, Federal University of Goiás, Goiânia, GO, Brazil
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Kuzan A. Toxicity of advanced glycation end products (Review). Biomed Rep 2021; 14:46. [PMID: 33786175 PMCID: PMC7995243 DOI: 10.3892/br.2021.1422] [Citation(s) in RCA: 70] [Impact Index Per Article: 23.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/12/2020] [Accepted: 01/26/2021] [Indexed: 12/13/2022] Open
Abstract
Advanced glycation end-products (AGEs) are proteins or lipids glycated nonenzymatically by glucose, or other reducing sugars and their derivatives, such as glyceraldehyde, glycolaldehyde, methyloglyoxal and acetaldehyde. There are three different means of AGE formation: i) Maillard reactions, the polyol pathway and lipid peroxidation. AGEs participate in the pathological mechanisms underlying the development of several diseases, such as diabetes and its complications, retinopathy or neuropathy, neurological disorders (for example, Parkinson's disease and Alzheimer's disease), atherosclerosis, hypertension and several types of cancer. AGE levels are increased in patients with hyperglycaemia, and is likely the result of the high concentration of glycation substrates circulating in the blood. The present review summarises the formation and nomenclature of advanced glycation end-products, with an emphasis on the role of AGEs in the development of diabetes, neurological disorders, as well as in cancer and other pathologies. A particular focus is placed on the functions of toxic AGEs. Additionally, studies which have shown the cytotoxicity of glycated albumin and other AGEs are also discussed. Finally, the diagnostic relevance of AGEs as well as for targeting in therapeutic strategies are highlighted.
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Affiliation(s)
- Aleksandra Kuzan
- Department of Medical Biochemistry, Faculty of Medicine, Wrocław Medical University, Wrocław 50-368, Poland
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12
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Shen CY, Lu CH, Wu CH, Li KJ, Kuo YM, Hsieh SC, Yu CL. The Development of Maillard Reaction, and Advanced Glycation End Product (AGE)-Receptor for AGE (RAGE) Signaling Inhibitors as Novel Therapeutic Strategies for Patients with AGE-Related Diseases. Molecules 2020; 25:molecules25235591. [PMID: 33261212 PMCID: PMC7729569 DOI: 10.3390/molecules25235591] [Citation(s) in RCA: 113] [Impact Index Per Article: 28.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 11/21/2020] [Accepted: 11/25/2020] [Indexed: 12/12/2022] Open
Abstract
Advanced glycation end products (AGEs) are generated by nonenzymatic modifications of macromolecules (proteins, lipids, and nucleic acids) by saccharides (glucose, fructose, and pentose) via Maillard reaction. The formed AGE molecules can be catabolized and cleared by glyoxalase I and II in renal proximal tubular cells. AGE-related diseases include physiological aging, neurodegenerative/neuroinflammatory diseases, diabetes mellitus (DM) and its complications, autoimmune/rheumatic inflammatory diseases, bone-degenerative diseases, and chronic renal diseases. AGEs, by binding to receptors for AGE (RAGEs), alter innate and adaptive immune responses to induce inflammation and immunosuppression via the generation of proinflammatory cytokines, reactive oxygen species (ROS), and reactive nitrogen intermediates (RNI). These pathological molecules cause vascular endothelial/smooth muscular/connective tissue-cell and renal mesangial/endothelial/podocytic-cell damage in AGE-related diseases. In the present review, we first focus on the cellular and molecular bases of AGE–RAGE axis signaling pathways in AGE-related diseases. Then, we discuss in detail the modes of action of newly discovered novel biomolecules and phytochemical compounds, such as Maillard reaction and AGE–RAGE signaling inhibitors. These molecules are expected to become the new therapeutic strategies for patients with AGE-related diseases in addition to the traditional hypoglycemic and anti-hypertensive agents. We particularly emphasize the importance of “metabolic memory”, the “French paradox”, and the pharmacokinetics and therapeutic dosing of the effective natural compounds associated with pharmacogenetics in the treatment of AGE-related diseases. Lastly, we propose prospective investigations for solving the enigmas in AGE-mediated pathological effects.
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Affiliation(s)
- Chieh-Yu Shen
- Institute of Clinical Medicine, National Taiwan University College of Medicine, Taipei 10002, Taiwan; (C.-Y.S.); (C.-H.L.); (C.-H.W.); (Y.-M.K.)
- Department of Internal Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei 10002, Taiwan;
| | - Cheng-Hsun Lu
- Institute of Clinical Medicine, National Taiwan University College of Medicine, Taipei 10002, Taiwan; (C.-Y.S.); (C.-H.L.); (C.-H.W.); (Y.-M.K.)
- Department of Internal Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei 10002, Taiwan;
| | - Cheng-Han Wu
- Institute of Clinical Medicine, National Taiwan University College of Medicine, Taipei 10002, Taiwan; (C.-Y.S.); (C.-H.L.); (C.-H.W.); (Y.-M.K.)
- Department of Internal Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei 10002, Taiwan;
| | - Ko-Jen Li
- Department of Internal Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei 10002, Taiwan;
| | - Yu-Min Kuo
- Institute of Clinical Medicine, National Taiwan University College of Medicine, Taipei 10002, Taiwan; (C.-Y.S.); (C.-H.L.); (C.-H.W.); (Y.-M.K.)
- Department of Internal Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei 10002, Taiwan;
| | - Song-Chou Hsieh
- Department of Internal Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei 10002, Taiwan;
- Correspondence: (S.-C.H.); (C.-L.Y.)
| | - Chia-Li Yu
- Department of Internal Medicine, National Taiwan University Hospital, National Taiwan University College of Medicine, Taipei 10002, Taiwan;
- Department of Internal Medicine, Kaohsiung Medical University College of Medicine, Kaohsiung 80756, Taiwan
- Correspondence: (S.-C.H.); (C.-L.Y.)
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