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The Patient's Physiological Status at the Start Determines the Success of the Inpatient Cardiovascular Rehabilitation Program. J Clin Med 2023; 12:jcm12051735. [PMID: 36902521 PMCID: PMC10003145 DOI: 10.3390/jcm12051735] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2023] [Revised: 02/11/2023] [Accepted: 02/13/2023] [Indexed: 02/24/2023] Open
Abstract
Multidisciplinary inpatient rehabilitation plays an important role in the recovery of patients with cardiovascular diseases (CVDs). Lifestyle changes, achieved by exercise, diet, weight loss and patient education programs, are the first steps to a healthier life. Advanced glycation end products (AGEs) and their receptor (RAGE) are known to be involved in CVDs. Clarification on whether initial AGE levels can influence the rehabilitation outcome is important. Serum samples were collected at the beginning and end of the inpatient rehabilitation stay and analyzed for parameters: lipid metabolism, glucose status, oxidative stress, inflammation and AGE/RAGE-axis. As result, a 5% increase in the soluble isoform RAGE (sRAGE) (T0: 891.82 ± 44.97 pg/mL, T1: 937.17 ± 43.29 pg/mL) accompanied by a 7% decrease in AGEs (T0: 10.93 ± 0.65 µg/mL, T1: 10.21 ± 0.61 µg/mL) was shown. Depending on the initial AGE level, a significant reduction of 12.2% of the AGE activity (quotient AGE/sRAGE) was observed. We found that almost all measured factors improved. Summarizing, CVD-specific multidisciplinary rehabilitation positively influences disease-associated parameters, and thus provides an optimal starting point for subsequent disease-modifying lifestyle changes. Considering our observations, the initial physiological situations of patients at the beginning of their rehabilitation stay seem to play a decisive role regarding the assessment of rehabilitation success.
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Gouldin AG, Brown ME, Puetzer JL. An inducible model for unraveling the effects of advanced glycation end-product accumulation in aging connective tissues. Connect Tissue Res 2022; 63:406-424. [PMID: 34706612 DOI: 10.1080/03008207.2021.1991333] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/03/2023]
Abstract
PURPOSE In connective tissues there is a clear link between increasing age and degeneration. Advanced glycation end-products (AGEs) are believed to play a central role. AGEs are sugar-induced non-enzymatic crosslinks which accumulate in collagen with age and diabetes, altering tissue mechanics and cellular function. Despite ample correlative evidence linking collagen glycation to tissue degeneration, little is known how AGEs impact cell-matrix interactions, limiting therapeutic options. One reason for this limited understanding is that AGEs are typically induced using high concentrations of ribose which decrease cell viability, making it impossible to investigate cell-matrix interactions. The objective of this study was to develop a system to trigger AGE accumulation while maintaining cell viability. MATERIALS AND METHODS Using cell-seeded high density collagen gels, we investigated the effect of two systems for AGE induction, ribose at low concentrations (30, 100, and 200 mM) over 15 days of culture and riboflavin (0.25 and 0.75 mM) induced with blue light for 40 seconds (riboflavin-465 nm). RESULTS We found ribose and riboflavin-465 nm treatment produces fluorescent AGE quantities which match and/or exceed human fluorescent AGE levels for various tissues, ages, and diseases, without affecting cell viability or metabolism. Interestingly, a 40 second treatment of riboflavin-465 nm produced similar levels of fluorescent AGEs as 3 days of 100 mM ribose treatment. CONCLUSIONS Riboflavin-465 nm is a promising method to trigger AGEs on demand in vivo or in vitro without impacting cell viability and offers potential for unraveling the mechanism of AGEs in age and diabetes related tissue damage.
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Affiliation(s)
- Austin G Gouldin
- Departments of Biomedical Engineering; Orthopaedic Surgery, Virginia Commonwealth University, Richmond, Virginia, United States
| | - M Ethan Brown
- Departments of Biomedical Engineering; Orthopaedic Surgery, Virginia Commonwealth University, Richmond, Virginia, United States
| | - Jennifer L Puetzer
- Departments of Biomedical Engineering; Orthopaedic Surgery, Virginia Commonwealth University, Richmond, Virginia, United States
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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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4
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Revisiting Methodologies for In Vitro Preparations of Advanced Glycation End Products. Appl Biochem Biotechnol 2022; 194:2831-2855. [PMID: 35257316 DOI: 10.1007/s12010-022-03860-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/15/2021] [Accepted: 02/24/2022] [Indexed: 11/02/2022]
Abstract
Chronic elevation of sugar and oxidative stress generally results in development of advanced glycation end products (AGEs) in diabetic individuals. Accumulation of AGEs in an individual can give rise to the activation of several pathways that will ultimately lead to various complications. Such AGEs can also be prepared in an in vitro environment. For an in vitro preparation of advanced glycation end products (AGEs), proteins, lipids, or nucleic acids are generally required to be incubated with reducing sugars at a physiological temperature or higher depending upon the protocol optimized for its preparation. Certain other factors are also optimized and added to the buffer to hasten its preparation or alter the properties of prepared AGEs. Through this review, we intend to highlight the various studies related to the experimental procedures for the preparation of different types of AGEs. In addition, we present the comparative study of methodologies optimized for the preparation of AGEs.
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Francisqueti-Ferron FV, Ferron AJT, Altomare A, Garcia JL, Moreto F, Ferreira ALA, Minatel IO, Aldini G, Corrêa CR. Gamma-oryzanol reduces renal inflammation and oxidative stress by modulating AGEs/RAGE axis in animals submitted to high sugar-fat diet. ACTA ACUST UNITED AC 2021; 43:460-469. [PMID: 34174064 PMCID: PMC8940121 DOI: 10.1590/2175-8239-jbn-2021-0002] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 04/18/2021] [Indexed: 11/28/2022]
Abstract
Introduction: The receptor for AGEs (RAGE) is a multiligand member of the immunoglobulin superfamily of cell surface receptors expressed in many organs, among them, the kidneys. When activated, RAGE leads to a sequence of signaling that results in inflammation and oxidative stress, both involved in kidney disease pathogenesis. Gamma-oryzanol (γOz) comprises a mixture of ferulic acid (FA) esters and phytosterols (sterols and triterpene alcohols) mainly found in rice, with antioxidant and anti-inflammatory activities. Aim: To evaluate the effect of γOz to reduce renal inflammation and oxidative stress by modulating AGEs/RAGE axis in animals submitted to a high sugar-fat diet. Methods: Male Wistar rats (±187g) were randomly divided into two experimental groups: control (n = 7 animals) and high sugar-fat diet (HSF, n = 14 animals) for 20 weeks. After this period, when the presence of renal disease risk factors was detected in the HSF group (insulin resistance, dyslipidemia, increased systolic blood pressure and obesity), the HSF animals were divided to begin the treatment with γOz or continue receiving only HSF for 10 more weeks. Results: No effect of γOz on obesity and metabolic parameters was observed. However, kidney inflammation and oxidative stress decreased as soon as RAGE levels were reduced in HSF + γOz. Conclusion: It is possible to conclude that the gamma- oryzanol was effective in reducing inflammation and oxidative stress in the kidney by modulating the AGEs/RAGE axis.
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Affiliation(s)
| | | | - Alessandra Altomare
- Università degli Studi di Milano, Department of Pharmaceutical Sciences (DISFARM), Milan, Italy
| | - Jéssica Leite Garcia
- Universidade Estadual Paulista (UNESP), Faculdade de Medicina, Botucatu, SP, Brasil
| | - Fernando Moreto
- Universidade Estadual Paulista (UNESP), Faculdade de Medicina, Botucatu, SP, Brasil
| | - Ana Lúcia A Ferreira
- Universidade Estadual Paulista (UNESP), Faculdade de Medicina, Botucatu, SP, Brasil
| | - Igor Otávio Minatel
- Universidade Estadual Paulista (UNESP), Instituto de Biociências, Botucatu, SP, Brasil
| | - Giancarlo Aldini
- Università degli Studi di Milano, Department of Pharmaceutical Sciences (DISFARM), Milan, Italy
| | - Camila Renata Corrêa
- Universidade Estadual Paulista (UNESP), Faculdade de Medicina, Botucatu, SP, Brasil
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McAllister MJ, Gonzalez AE, Waldman HS. Impact of Time Restricted Feeding on Markers of Cardiometabolic Health and Oxidative Stress in Resistance-Trained Firefighters. J Strength Cond Res 2020; 36:2515-2522. [DOI: 10.1519/jsc.0000000000003860] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022]
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Boisard S, Shahali Y, Aumond M, Derbré S, Blanchard P, Dadar M, Le Ray A, Richomme P. Anti‐AGE activity of poplar‐type propolis: mechanism of action of main phenolic compounds. Int J Food Sci Technol 2019. [DOI: 10.1111/ijfs.14284] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Affiliation(s)
- Séverine Boisard
- EA 921 SONAS/SFR 4207 QUASAV University of Angers 42 rue Georges Morel Beaucouzé 49070 France
| | - Youcef Shahali
- Razi Serum and Vaccine Research Institute Agricultural Research, Education and Extension Organization (AREEO) Karaj 31975/148 Iran
| | - Marie‐Christine Aumond
- EA 921 SONAS/SFR 4207 QUASAV University of Angers 42 rue Georges Morel Beaucouzé 49070 France
| | - Séverine Derbré
- EA 921 SONAS/SFR 4207 QUASAV University of Angers 42 rue Georges Morel Beaucouzé 49070 France
| | - Patricia Blanchard
- EA 921 SONAS/SFR 4207 QUASAV University of Angers 42 rue Georges Morel Beaucouzé 49070 France
| | - Maryam Dadar
- Razi Serum and Vaccine Research Institute Agricultural Research, Education and Extension Organization (AREEO) Karaj 31975/148 Iran
| | - Anne‐Marie Le Ray
- EA 921 SONAS/SFR 4207 QUASAV University of Angers 42 rue Georges Morel Beaucouzé 49070 France
| | - Pascal Richomme
- EA 921 SONAS/SFR 4207 QUASAV University of Angers 42 rue Georges Morel Beaucouzé 49070 France
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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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Luevano-Contreras C, Durkin T, Pauls M, Chapman-Novakofski K. Development, relative validity, and reliability of a food frequency questionnaire for a case-control study on dietary advanced glycation end products and diabetes complications. Int J Food Sci Nutr 2013; 64:1030-5. [PMID: 23876146 DOI: 10.3109/09637486.2013.816939] [Citation(s) in RCA: 20] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
Dietary advanced glycation end products (dAGEs) could be involved on diabetes complications, yet their quantification is not standardized. The objective of this study was to design a food frequency questionnaire (FFQ) for dAGEs, and to assess its reliability and validity. For the design, data from 30 subjects was used. The final instrument had 90 food items. To measure reliability and validity, 20 participants with type 2 diabetes filled out twice the FFQ (FFQ-T1, FFQ-T2) and 7-day food records (7-dFR). The Shrout-Fleiss coefficient was 0.98 showing good reliability. For validation, the results for the weighted kappa were 0.55 (moderate agreement) for FFQ-T1 and 0.64 (good agreement) for FFQ-T2, and 75% and 80% of subjects respectively were correctly classified into tertiles; Bland-Altman graphics showed no systematic bias. This FFQ is comparable to 7-dFR for measuring dAGEs. To our knowledge, this is the first questionnaire designed to measure specifically dAGEs.
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