1
|
Nogueira Silva Lima MT, Delayre-Orthez C, Howsam M, Jacolot P, Niquet-Léridon C, Okwieka A, Anton PM, Perot M, Barbezier N, Mathieu H, Ghinet A, Fradin C, Boulanger E, Jaisson S, Gillery P, Tessier FJ. Early- and life-long intake of dietary advanced glycation end-products (dAGEs) leads to transient tissue accumulation, increased gut sensitivity to inflammation, and slight changes in gut microbial diversity, without causing overt disease. Food Res Int 2024; 195:114967. [PMID: 39277266 DOI: 10.1016/j.foodres.2024.114967] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2024] [Revised: 08/13/2024] [Accepted: 08/20/2024] [Indexed: 09/17/2024]
Abstract
Dietary advanced glycation end-products (dAGEs) accumulate in organs and are thought to initiate chronic low-grade inflammation (CLGI), induce glycoxidative stress, drive immunosenescence, and influence gut microbiota. Part of the toxicological interest in glycation products such as dietary carboxymethyl-lysine (dCML) relies on their interaction with receptor for advanced glycation end-products (RAGE). It remains uncertain whether early or lifelong exposure to dAGEs contributes physiological changes and whether such effects are reversible or permanent. Our objective was to examine the physiological changes in Wild-Type (WT) and RAGE KO mice that were fed either a standard diet (STD - 20.8 ± 5.1 µg dCML/g) or a diet enriched with dCML (255.2 ± 44.5 µg dCML/g) from the perinatal period for up to 70 weeks. Additionally, an early age (6 weeks) diet switch (dCML→STD) was explored to determine whether potential harmful effects of dCML could be reversed. Previous dCML accumulation patterns described by our group were confirmed here, with significant RAGE-independent accumulation of dCML in kidneys, ileum and colon over the 70-week dietary intervention (respectively 3-fold, 17-fold and 20-fold increases compared with controls). Diet switching returned tissue dCML concentrations to their baseline levels. The dCML-enriched diet had no significative effect on endogenous glycation, inflammation, oxidative stress or senescence parameters. The relative expression of TNFα, VCAM1, IL6, and P16 genes were all upregulated (∼2-fold) in an age-dependent manner, most notably in the kidneys of WT animals. RAGE knockout seemed protective in this regard, diminishing age-related renal expression of TNFα. Significant increases in TNFα expression were detectable in the intestinal tract of the Switch group (∼2-fold), suggesting a higher sensitivity to inflammation perhaps related to the timing of the diet change. Minor fluctuations were observed at family level within the caecal microbiota, including Eggerthellaceae, Anaerovoracaceae and Marinifilaceae communities, indicating slight changes in composition. Despite chronic dCML consumption resulting in higher free CML levels in tissues, there were no substantial increases in parameters related to inflammageing. Age was a more important factor in inflammation status, notably in the kidneys, while the early-life dietary switch may have influenced intestinal susceptibility to inflammation. This study affirms the therapeutic potential of RAGE modulation and corroborates evidence for the disruptive effect of dietary changes occurring too early in life. Future research should prioritize the potential influence of dAGEs on disease aetiology and development, notably any exacerbating effects they may have upon existing health conditions.
Collapse
Affiliation(s)
- M T Nogueira Silva Lima
- U1167-RID-AGE-Facteurs de Risque et Déterminants Moléculaires des Maladies Liées au Vieillissement, Institut Pasteur de Lille, University Lille, Inserm, CHU Lille, F-59000 Lille, France
| | - C Delayre-Orthez
- Institut Polytechnique UniLaSalle, Université d'Artois, ULR 7519, Equipe PETALES, 60000 Beauvais, France
| | - M Howsam
- U1167-RID-AGE-Facteurs de Risque et Déterminants Moléculaires des Maladies Liées au Vieillissement, Institut Pasteur de Lille, University Lille, Inserm, CHU Lille, F-59000 Lille, France
| | - P Jacolot
- Institut Polytechnique UniLaSalle, Université d'Artois, ULR 7519, Equipe PETALES, 60000 Beauvais, France
| | - C Niquet-Léridon
- Institut Polytechnique UniLaSalle, Université d'Artois, ULR 7519, Equipe PETALES, 60000 Beauvais, France
| | - A Okwieka
- University of Reims Champagne-Ardenne, Laboratory of Biochemistry and Molecular Biology, CNRS/URCA UMR 7369 MEDyC, Faculté de Médecine, 51095 Reims, France
| | - P M Anton
- Institut Polytechnique UniLaSalle, Université d'Artois, ULR 7519, Equipe PETALES, 60000 Beauvais, France
| | - M Perot
- Institut Polytechnique UniLaSalle, Université d'Artois, ULR 7519, Equipe PETALES, 60000 Beauvais, France
| | - N Barbezier
- Institut Polytechnique UniLaSalle, Université d'Artois, ULR 7519, Equipe PETALES, 60000 Beauvais, France
| | - H Mathieu
- Institut Polytechnique UniLaSalle, Université d'Artois, ULR 7519, Equipe PETALES, 60000 Beauvais, France
| | - A Ghinet
- U1167-RID-AGE-Facteurs de Risque et Déterminants Moléculaires des Maladies Liées au Vieillissement, Institut Pasteur de Lille, University Lille, Inserm, CHU Lille, F-59000 Lille, France; Junia, Health and Environment, Laboratory of Sustainable Chemistry and Health, 59000 Lille, France
| | - C Fradin
- U1167-RID-AGE-Facteurs de Risque et Déterminants Moléculaires des Maladies Liées au Vieillissement, Institut Pasteur de Lille, University Lille, Inserm, CHU Lille, F-59000 Lille, France
| | - E Boulanger
- U1167-RID-AGE-Facteurs de Risque et Déterminants Moléculaires des Maladies Liées au Vieillissement, Institut Pasteur de Lille, University Lille, Inserm, CHU Lille, F-59000 Lille, France
| | - S Jaisson
- University of Reims Champagne-Ardenne, Laboratory of Biochemistry and Molecular Biology, CNRS/URCA UMR 7369 MEDyC, Faculté de Médecine, 51095 Reims, France; University Hospital of Reims, Laboratory of Biochemistry-Pharmacology-Toxicology, 51092 Reims, France
| | - P Gillery
- University of Reims Champagne-Ardenne, Laboratory of Biochemistry and Molecular Biology, CNRS/URCA UMR 7369 MEDyC, Faculté de Médecine, 51095 Reims, France; University Hospital of Reims, Laboratory of Biochemistry-Pharmacology-Toxicology, 51092 Reims, France
| | - F J Tessier
- U1167-RID-AGE-Facteurs de Risque et Déterminants Moléculaires des Maladies Liées au Vieillissement, Institut Pasteur de Lille, University Lille, Inserm, CHU Lille, F-59000 Lille, France.
| |
Collapse
|
2
|
Asaro RJ, Profumo E, Buttari B, Cabrales P. The Double-Edged Sword of Erythrocytes in Health and Disease via Their Adhesiveness. Int J Mol Sci 2023; 24:10382. [PMID: 37373527 DOI: 10.3390/ijms241210382] [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: 05/25/2023] [Revised: 06/12/2023] [Accepted: 06/13/2023] [Indexed: 06/29/2023] Open
Abstract
Their widespread presence throughout the vasculature, coupled with their reactivity, and thereby to their potential to release reactive oxidative species, or to utilize their anti-oxidative capacities, has promoted much discussion of the role(s) of red blood cells (RBCs) in the progression of health or, alternatively, a wide range of disease states. Moreover, these role(s) have been linked to the development of adhesiveness and, in fact, thereby to the essential pathway to their eventual clearance, e.g., by macrophages in the spleen. These disparate roles coupled with the mechanisms involved are reviewed and given. Following an analysis, novel perspectives are provided; these perspectives can lead to novel assays for identifying the potential for RBC adhesiveness as suggested herein. We describe this paradigm, that involves RBC adhesiveness, hemolysis, and ghost formation, with examples including, inter alia, the progression of atherosclerosis and the suppression of tumor growth along with other disease states.
Collapse
Affiliation(s)
- Robert J Asaro
- Department of Structural Engineering, University of California, La Jolla, CA 92093-0085, USA
| | - Elisabetta Profumo
- Department of Cardiovascular and Endocrine-Metabolic Diseases, and Aging, Istituto Superiore di Sanità, 00161 Rome, Italy
| | - Brigitta Buttari
- Department of Cardiovascular and Endocrine-Metabolic Diseases, and Aging, Istituto Superiore di Sanità, 00161 Rome, Italy
| | - Pedro Cabrales
- Department of Bioengineering, University of California, La Jolla, CA 92093-0085, USA
| |
Collapse
|
3
|
Reynaert NL, Vanfleteren LEGW, Perkins TN. The AGE-RAGE Axis and the Pathophysiology of Multimorbidity in COPD. J Clin Med 2023; 12:jcm12103366. [PMID: 37240472 DOI: 10.3390/jcm12103366] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/02/2023] [Revised: 04/24/2023] [Accepted: 05/05/2023] [Indexed: 05/28/2023] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is a disease of the airways and lungs due to an enhanced inflammatory response, commonly caused by cigarette smoking. Patients with COPD are often multimorbid, as they commonly suffer from multiple chronic (inflammatory) conditions. This intensifies the burden of individual diseases, negatively affects quality of life, and complicates disease management. COPD and comorbidities share genetic and lifestyle-related risk factors and pathobiological mechanisms, including chronic inflammation and oxidative stress. The receptor for advanced glycation end products (RAGE) is an important driver of chronic inflammation. Advanced glycation end products (AGEs) are RAGE ligands that accumulate due to aging, inflammation, oxidative stress, and carbohydrate metabolism. AGEs cause further inflammation and oxidative stress through RAGE, but also through RAGE-independent mechanisms. This review describes the complexity of RAGE signaling and the causes of AGE accumulation, followed by a comprehensive overview of alterations reported on AGEs and RAGE in COPD and in important co-morbidities. Furthermore, it describes the mechanisms by which AGEs and RAGE contribute to the pathophysiology of individual disease conditions and how they execute crosstalk between organ systems. A section on therapeutic strategies that target AGEs and RAGE and could alleviate patients from multimorbid conditions using single therapeutics concludes this review.
Collapse
Affiliation(s)
- Niki L Reynaert
- Department of Respiratory Medicine, School of Nutrition and Translational Research in Metabolism, Maastricht University Medical Center+, 6229 ER Maastricht, The Netherlands
| | - Lowie E G W Vanfleteren
- COPD Center, Department of Respiratory Medicine and Allergology, Sahlgrenska University Hospital, 413 45 Gothenburg, Sweden
- Department of Internal Medicine and Clinical Nutrition, Institute of Medicine, Sahlgrenska Academy, University of Gothenburg, 405 30 Gothenburg, Sweden
| | - Timothy N Perkins
- Department of Pathology, School of Medicine, University of Pittsburgh, Pittsburgh, PA 15261, USA
| |
Collapse
|
4
|
Turpin C, Catan A, Meilhac O, Bourdon E, Canonne-Hergaux F, Rondeau P. Erythrocytes: Central Actors in Multiple Scenes of Atherosclerosis. Int J Mol Sci 2021; 22:ijms22115843. [PMID: 34072544 PMCID: PMC8198892 DOI: 10.3390/ijms22115843] [Citation(s) in RCA: 25] [Impact Index Per Article: 8.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2021] [Revised: 05/26/2021] [Accepted: 05/26/2021] [Indexed: 12/16/2022] Open
Abstract
The development and progression of atherosclerosis (ATH) involves lipid accumulation, oxidative stress and both vascular and blood cell dysfunction. Erythrocytes, the main circulating cells in the body, exert determinant roles in the gas transport between tissues. Erythrocytes have long been considered as simple bystanders in cardiovascular diseases, including ATH. This review highlights recent knowledge concerning the role of erythrocytes being more than just passive gas carriers, as potent contributors to atherosclerotic plaque progression. Erythrocyte physiology and ATH pathology is first described. Then, a specific chapter delineates the numerous links between erythrocytes and atherogenesis. In particular, we discuss the impact of extravasated erythrocytes in plaque iron homeostasis with potential pathological consequences. Hyperglycaemia is recognised as a significant aggravating contributor to the development of ATH. Then, a special focus is made on glycoxidative modifications of erythrocytes and their role in ATH. This chapter includes recent data proposing glycoxidised erythrocytes as putative contributors to enhanced atherothrombosis in diabetic patients.
Collapse
Affiliation(s)
- Chloé Turpin
- Diabète Athérothrombose Thérapies Réunion Océan Indien (DéTROI), INSERM, UMR 1188, Université de La Réunion, 97400 Saint Denis, France; (C.T.); (A.C.); (O.M.); (E.B.)
| | - Aurélie Catan
- Diabète Athérothrombose Thérapies Réunion Océan Indien (DéTROI), INSERM, UMR 1188, Université de La Réunion, 97400 Saint Denis, France; (C.T.); (A.C.); (O.M.); (E.B.)
| | - Olivier Meilhac
- Diabète Athérothrombose Thérapies Réunion Océan Indien (DéTROI), INSERM, UMR 1188, Université de La Réunion, 97400 Saint Denis, France; (C.T.); (A.C.); (O.M.); (E.B.)
- Centre Hospitalier Universitaire de La Réunion, 97400 Saint Denis, France
| | - Emmanuel Bourdon
- Diabète Athérothrombose Thérapies Réunion Océan Indien (DéTROI), INSERM, UMR 1188, Université de La Réunion, 97400 Saint Denis, France; (C.T.); (A.C.); (O.M.); (E.B.)
| | | | - Philippe Rondeau
- Diabète Athérothrombose Thérapies Réunion Océan Indien (DéTROI), INSERM, UMR 1188, Université de La Réunion, 97400 Saint Denis, France; (C.T.); (A.C.); (O.M.); (E.B.)
- Correspondence: ; Tel.: +262(0)-2-62-93-88-43; Fax: +262-(0)-2-62-93-88-01
| |
Collapse
|
5
|
Asaro RJ, Cabrales P. Red Blood Cells: Tethering, Vesiculation, and Disease in Micro-Vascular Flow. Diagnostics (Basel) 2021; 11:diagnostics11060971. [PMID: 34072241 PMCID: PMC8228733 DOI: 10.3390/diagnostics11060971] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2021] [Revised: 05/12/2021] [Accepted: 05/14/2021] [Indexed: 12/14/2022] Open
Abstract
The red blood cell has become implicated in the progression of a range of diseases; mechanisms by which red cells are involved appear to include the transport of inflammatory species via red cell-derived vesicles. We review this role of RBCs in diseases such as diabetes mellitus, sickle cell anemia, polycythemia vera, central retinal vein occlusion, Gaucher disease, atherosclerosis, and myeloproliferative neoplasms. We propose a possibly unifying, and novel, paradigm for the inducement of RBC vesiculation during vascular flow of red cells adhered to the vascular endothelium as well as to the red pulp of the spleen. Indeed, we review the evidence for this hypothesis that links physiological conditions favoring both vesiculation and enhanced RBC adhesion and demonstrate the veracity of this hypothesis by way of a specific example occurring in splenic flow which we argue has various renderings in a wide range of vascular flows, in particular microvascular flows. We provide a mechanistic basis for membrane loss and the formation of lysed red blood cells in the spleen that may mediate their turnover. Our detailed explanation for this example also makes clear what features of red cell deformability are involved in the vesiculation process and hence require quantification and a new form of quantitative indexing.
Collapse
Affiliation(s)
- Robert J. Asaro
- Department of Structural Engineering, University of California, San Diego, CA 92093, USA
- Correspondence: ; Tel.: +1-619-890-6888; Fax: +1-858-534-6373
| | - Pedro Cabrales
- Department of Bioengineering, University of California, San Diego, CA 92093, USA;
| |
Collapse
|
6
|
Cellular and Molecular Aspects of Blood Cell-Endothelium Interactions in Vascular Disorders. Int J Mol Sci 2020; 21:ijms21155315. [PMID: 32727002 PMCID: PMC7432596 DOI: 10.3390/ijms21155315] [Citation(s) in RCA: 25] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2020] [Revised: 07/21/2020] [Accepted: 07/26/2020] [Indexed: 12/21/2022] Open
Abstract
In physiology and pathophysiology the molecules involved in blood cell–blood cell and blood cell–endothelium interactions have been identified. Platelet aggregation and adhesion to the walls belonging to vessels involve glycoproteins (GP), GP llb and GP llla and the GP Ib–IX–V complex. Red blood cells (RBCs) in normal situations have little interaction with the endothelium. Abnormal adhesion of RBCs was first observed in sickle cell anemia involving vascular cell adhesion molecule (VCAM)-1, α4β1, Lu/BCAM, and intercellular adhesion molecule (ICAM)-4. More recently RBC adhesion was found to be increased in retinal-vein occlusion (RVO) and in polycythemia vera (PV). The molecules which participate in this process are phosphatidylserine and annexin V in RVO, and phosphorylated Lu/BCAM and α5 laminin chain in PV. The additional adhesion in diabetes mellitus occurs due to the glycated RBC band 3 and the advanced glycation end-product receptors. The multiligand receptor binds advanced glycation end products (AGEs) or S100 calgranulins, or β-amyloid peptide. This receptor for advanced glycation end products is known as RAGE. The binding to RAGE-activated endothelial cells leads to an inflammatory reaction and a prothrombotic state via NADPH activation and altered gene expression. RAGE blockade is a potential target for drugs preventing the deleterious consequences of RAGE activation.
Collapse
|
7
|
Asaro RJ, Zhu Q, MacDonald IC. Tethering, evagination, and vesiculation via cell-cell interactions in microvascular flow. Biomech Model Mechanobiol 2020; 20:31-53. [PMID: 32656697 DOI: 10.1007/s10237-020-01366-9] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/03/2020] [Accepted: 06/25/2020] [Indexed: 12/13/2022]
Abstract
Vesiculation is a ubiquitous process undergone by most cell types and serves a variety of vital cell functions; vesiculation from erythrocytes, in particular, is a well-known example and constitutes a self-protection mechanism against premature clearance, inter alia. Herein, we explore a paradigm that red blood cell derived vesicles may form within the microvascular, in intense shear flow, where cells become adhered to either other cells or the extracellular matrix, by forming tethers or an evagination. Adherence may be enhanced, or caused, by diseased states or chemical anomalies as are discussed herein. The mechanisms for such processes are detailed via numerical simulations that are patterned directly from video-recorded cell microflow within the splenic venous sinus (MacDonald et al. 1987), as included, e.g., as Supplementary Material. The mechanisms uncovered highlight the necessity of accounting for remodeling of the erythrocyte's membrane skeleton and, specifically, for the time scales associated with that process that is an integral part of cell deformation. In this way, the analysis provides pointed, and vital, insights into the notion of what the, often used phrase, cell deformability actually entails in a more holistic manner. The analysis also details what data are required to make further quantitative descriptions possible and suggests experimental pathways for acquiring such.
Collapse
Affiliation(s)
- Robert J Asaro
- Department of Structural Engineering, University of California, San Diego, CA, USA.
| | - Qiang Zhu
- Department of Structural Engineering, University of California, San Diego, CA, USA
| | - Ian C MacDonald
- Department of Medical Biophysics, Schulich School of Medicine and Dentistry, Western University, London, ON, Canada
| |
Collapse
|
8
|
Pretini V, Koenen MH, Kaestner L, Fens MHAM, Schiffelers RM, Bartels M, Van Wijk R. Red Blood Cells: Chasing Interactions. Front Physiol 2019; 10:945. [PMID: 31417415 PMCID: PMC6684843 DOI: 10.3389/fphys.2019.00945] [Citation(s) in RCA: 83] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2019] [Accepted: 07/09/2019] [Indexed: 12/13/2022] Open
Abstract
Human red blood cells (RBC) are highly differentiated cells that have lost all organelles and most intracellular machineries during their maturation process. RBC are fundamental for the nearly all basic physiologic dynamics and they are key cells in the body's respiratory system by being responsible for the oxygen transport to all cells and tissues, and delivery of carbon dioxide to the lungs. With their flexible structure RBC are capable to deform in order to travel through all blood vessels including very small capillaries. Throughout their in average 120 days lifespan, human RBC travel in the bloodstream and come in contact with a broad range of different cell types. In fact, RBC are able to interact and communicate with endothelial cells (ECs), platelets, macrophages, and bacteria. Additionally, they are involved in the maintenance of thrombosis and hemostasis and play an important role in the immune response against pathogens. To clarify the mechanisms of interaction of RBC and these other cells both in health and disease as well as to highlight the role of important key players, we focused our interest on RBC membrane components such as ion channels, proteins, and phospholipids.
Collapse
Affiliation(s)
- Virginia Pretini
- Department of Clinical Chemistry and Haematology, University Medical Center Utrecht, Utrecht University, Utrecht, Netherlands
- Theoretical Medicine and Biosciences, Saarland University, Homburg, Germany
| | - Mischa H. Koenen
- Department of Laboratory of Translational Immunology and Department of Pediatric Immunology, Wilhelmina Children’s Hospital, University Medical Centre Utrecht, Utrecht, Netherlands
| | - Lars Kaestner
- Theoretical Medicine and Biosciences, Saarland University, Homburg, Germany
- Experimental Physics, Saarland University, Saarbrücken, Germany
| | - Marcel H. A. M. Fens
- Department of Pharmaceutics, Utrecht Institute of Pharmaceutical Sciences (UIPS), Faculty of Science, Utrecht University, Utrecht, Netherlands
| | - Raymond M. Schiffelers
- Department of Clinical Chemistry and Haematology, University Medical Center Utrecht, Utrecht University, Utrecht, Netherlands
| | - Marije Bartels
- Paediatric Haematology Department, Wilhelmina Children’s Hospital, University Medical Centre Utrecht, Utrecht, Netherlands
| | - Richard Van Wijk
- Department of Clinical Chemistry and Haematology, University Medical Center Utrecht, Utrecht University, Utrecht, Netherlands
| |
Collapse
|
9
|
Depletion interaction forces contribute to erythrocyte-endothelial adhesion in diabetes. Biochem Biophys Res Commun 2019; 516:144-148. [PMID: 31200959 DOI: 10.1016/j.bbrc.2019.06.018] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/12/2019] [Accepted: 06/03/2019] [Indexed: 11/23/2022]
Abstract
Abnormal adhesion of red blood cells (RBC) to the endothelium has been linked to the pathophysiology of several diseases associated with vascular disorders. Various biochemical changes on the outer membrane of RBC, as well as plasma protein levels, have been identified as possibly playing key roles, but the detailed interplay between plasma factors and cellular factors often remains unclear. In this work, we identified an alternative pathway by demonstrating that non-adsorbing macromolecules can also have a marked impact on the adhesion efficiency of RBC from patients with type 2 Diabetes (T2DM) to endothelial cells (EC). RBC isolated from blood samples of T2DM patients were suspended in isotonic solutions of dextran in order to mimic the impact of non-adsorbing macromolecules. Static and continuous flow adhesion assays were used to determine the adhesion behavior of T2DM RBC with EC and the results compared with those of normal controls. We found that the presence of non-adsorbing molecules promotes an increase in T2DM RBC - EC adhesion and that these RBC exhibit much greater adhesion than normal red cells. Our results thus suggest that the depletion mechanism might be an alternative phenomenon through which plasma proteins could cause enhanced RBC-EC adhesion in diabetes mellitus. These findings contribute towards the comprehensive understanding of pathophysiological mechanisms of vascular complications in diabetes and other diseases with similar vascular sequelae.
Collapse
|
10
|
Mol M, Degani G, Coppa C, Baron G, Popolo L, Carini M, Aldini G, Vistoli G, Altomare A. Advanced lipoxidation end products (ALEs) as RAGE binders: Mass spectrometric and computational studies to explain the reasons why. Redox Biol 2018; 23:101083. [PMID: 30598328 PMCID: PMC6859533 DOI: 10.1016/j.redox.2018.101083] [Citation(s) in RCA: 28] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/06/2018] [Revised: 12/06/2018] [Accepted: 12/15/2018] [Indexed: 12/27/2022] Open
Abstract
Advanced Lipoxidation End-products (ALEs) are modified proteins that can act as pathogenic factors in several chronic diseases. Several molecular mechanisms have so far been considered to explain the damaging action of ALEs and among these a pathway involving the receptor for advanced glycation end products (RAGE) should be considered. The aim of the present work is to understand if ALEs formed from lipid peroxidation derived reactive carbonyl species (RCS) are able to act as RAGE binders and also to gain a deeper insight into the molecular mechanisms involved in the protein-protein engagement. ALEs were produced in vitro, by incubating human serum albumin (HSA) with 4-hydroxy-trans− 2-nonenal (HNE), acrolein (ACR) and malondialdehyde (MDA). The identification of ALEs was performed by MS. ALEs were then subjected to the VC1 Pull-Down assay (VC1 is the ligand binding domain of RAGE) and the enrichment factor (the difference between the relative abundance in the enriched sample minus the amount in the untreated one) as an index of affinity, was determined. Computation studies were then carried out to explain the factors governing the affinity of the adducted moieties and the site of interaction on adducted HSA for VC1-binding. The in silico analyses revealed the key role played by those adducts which strongly reduce the basicity of the modified residues and thus occur at their neutral state at physiological conditions (e.g. the MDA adducts, dihydropyridine-Lysine (DHPK) and N-2-pyrimidyl-ornithine (NPO), and acrolein derivatives, N-(3-formyl-3,4-dehydro-piperidinyl) lysine, FDPK). These neutral adducts become unable to stabilize ion-pairs with the surrounding negative residues which thus can contact the RAGE positive residues. In conclusion, ALEs derived from lipid peroxidation-RCS are binders of RAGE and this affinity depends on the effect of the adduct moiety to reduce the basicity of the target amino acid and on the acid moieties surrounding the aminoacidic target. A wide set of ALEs-HSA was obtained by in vitro incubation of HSA with different RCS. ALEs-HSA before and after VC1 enrichment were fully characterized by MS. Retention efficiency of the identified ALEs-HSA by VC1 was determined. Elucidation of structural requirements making an ALE a RAGE binder was obtained by computational studies. The mechanism here proposed for ALEs can be considered as a general mechanism of protein-protein interaction.
Collapse
Affiliation(s)
- Marco Mol
- Department of Pharmaceutical Sciences, Via Mangiagalli 25, Università degli Studi di Milano, 20133 Milano, Italy
| | - Genny Degani
- Department of Biosciences, Via Celoria 26, Università degli Studi di Milano, 20133 Milano, Italy
| | - Crescenzo Coppa
- Department of Pharmaceutical Sciences, Via Mangiagalli 25, Università degli Studi di Milano, 20133 Milano, Italy
| | - Giovanna Baron
- Department of Pharmaceutical Sciences, Via Mangiagalli 25, Università degli Studi di Milano, 20133 Milano, Italy
| | - Laura Popolo
- Department of Biosciences, Via Celoria 26, Università degli Studi di Milano, 20133 Milano, Italy
| | - Marina Carini
- Department of Pharmaceutical Sciences, Via Mangiagalli 25, Università degli Studi di Milano, 20133 Milano, Italy
| | - Giancarlo Aldini
- Department of Pharmaceutical Sciences, Via Mangiagalli 25, Università degli Studi di Milano, 20133 Milano, Italy.
| | - Giulio Vistoli
- Department of Pharmaceutical Sciences, Via Mangiagalli 25, Università degli Studi di Milano, 20133 Milano, Italy
| | - Alessandra Altomare
- Department of Pharmaceutical Sciences, Via Mangiagalli 25, Università degli Studi di Milano, 20133 Milano, Italy
| |
Collapse
|
11
|
Wautier MP, Guillausseau PJ, Wautier JL. Activation of the receptor for advanced glycation end products and consequences on health. Diabetes Metab Syndr 2017; 11:305-309. [PMID: 27612394 DOI: 10.1016/j.dsx.2016.09.009] [Citation(s) in RCA: 59] [Impact Index Per Article: 8.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2016] [Accepted: 09/03/2016] [Indexed: 12/19/2022]
Abstract
Advanced glycation end products (AGE) resulted from a reaction between free amino group of proteins and carbohydrates. This reaction is followed by oxidation and molecular rearrangement. Alternatively AGEs can be produced by glycolysis and oxidation. AGEs bind to a cellular receptor RAGE. RAGE engagement by ligands AGE, β-amyloid peptide, and S100 calgranulin induces a stimulation of NADPH oxidase, reactive oxygen intermediate formation, NFκB activation and gene transcription. This cascade of reaction leads to an inflammatory reaction responsible for alteration of microvessels in the retina and the kidney. Blockade of RAGE by antibodies anti-RAGE, TTP488 (azeliragon), or rRAGE prevents or limits the deleterious effect of AGEs.
Collapse
Affiliation(s)
- Marie-Paule Wautier
- Laboratoire de Biologie Vasculaire et Cellulaire, 6 rue Alexandre Cabanel, 75015 Paris, France
| | - Pierre-Jean Guillausseau
- Université Denis Diderot Paris 7, 10 avenue de Verdun, 75010 Paris, France; APHP, Département de Médecine Interne, Hôpital Lariboisière 2 rue Ambroise Paré, 75010 Paris, France
| | - Jean-Luc Wautier
- Université Denis Diderot Paris 7, 10 avenue de Verdun, 75010 Paris, France; Laboratoire de Biologie Vasculaire et Cellulaire, 6 rue Alexandre Cabanel, 75015 Paris, France.
| |
Collapse
|
12
|
Advanced glycation end products in children with type 1 diabetes and early reduced diastolic heart function. BMC Cardiovasc Disord 2017; 17:133. [PMID: 28545398 PMCID: PMC5445493 DOI: 10.1186/s12872-017-0551-0] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2017] [Accepted: 05/02/2017] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Reduced diastolic function is an early sign of diabetes cardiomyopathy in adults and is associated with elevated levels of HbA1c and advanced glycation end products (AGEs). OBJECTIVE To assess the associations between early reduced diastolic function and elevated levels of HbA1c and AGEs in children and adolescents with type 1 diabetes (T1D). METHODS One hundred fourty six T1D patients (age 8-18 years) without known diabetic complications were examined with tissue Doppler imaging and stratified into two groups according to diastolic function. A clinical examination and ultrasound of the common carotid arteries were performed. Methylglyoxal-derived hydroimidazolone-1 (MG-H1) was measured by immunoassay. RESULTS At inclusion, 36 (25%) participants were stratified into a low diastolic function group (E'/A'-ratio < 2.0). Compared to the rest of the T1D children, these participants had higher body mass index (BMI), 22.8 (SD = 4.0) vs. 20.1 (SD = 3.4) kg/m2, p < 0.001, higher systolic blood pressure 104.2 (SD = 8.7) vs. 99.7 (SD = 9.3) mmHg, p = 0.010, and higher diastolic blood pressure, 63.6 (SD = 8.3) vs. 59.9 (SD = 7.9) mmHg, p = 0.016. The distensibility coefficient was lower, 0.035 (SD = 0.010) vs. 0.042 (SD = 0.02) kPa-1, p = 0.013, Young's modulus higher, 429 (SD = 106) vs. 365 (SD = 143), p = 0.009, and MG-H1 higher, 163.9 (SD = 39.2) vs. 150.3 (SD = 33.4) U/ml, p = 0.046. There was no difference in carotid intima-media thickness between the groups. There were no associations between reduced diastolic function and years from diagnosis, HBA1c, mean HBA1c, CRP or calculated glycemic burden. Logistic regression analysis showed that BMI was an independent risk factor for E'/A'-ratio as well as a non-significant, but relatively large effect size for MG-H1, indicating a possible role for AGEs. CONCLUSIONS Early signs of reduced diastolic function in children and adolescents with T1D had higher BMI, but not higher HbA1c. They also had elevated serum levels of the advanced glycation end product MG-H1, higher blood pressure and increased stiffness of the common carotid artery, but these associations did not reach statistical significance when tested in a logistic regression model.
Collapse
|
13
|
Prasad C, Davis KE, Imrhan V, Juma S, Vijayagopal P. Advanced Glycation End Products and Risks for Chronic Diseases: Intervening Through Lifestyle Modification. Am J Lifestyle Med 2017; 13:384-404. [PMID: 31285723 DOI: 10.1177/1559827617708991] [Citation(s) in RCA: 41] [Impact Index Per Article: 5.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2016] [Revised: 04/18/2017] [Accepted: 04/19/2017] [Indexed: 12/17/2022] Open
Abstract
Advanced glycation end products (AGEs) are a family of compounds of diverse chemical nature that are the products of nonenzymatic reactions between reducing sugars and proteins, lipids, or nucleic acids. AGEs bind to one or more of their multiple receptors (RAGE) found on a variety of cell types and elicit an array of biologic responses. In this review, we have summarized the data on the nature of AGEs and issues associated with their measurements, their receptors, and changes in their expression under different physiologic and disease states. Last, we have used this information to prescribe lifestyle choices to modulate AGE-RAGE cycle for better health.
Collapse
Affiliation(s)
- Chandan Prasad
- Department of Nutrition and Food Sciences, Texas Woman's University, Denton, Texas (CP, VI, SJ, PV).,Department of Clinical Nutrition, University of Texas Southwestern Medical Center, Dallas, Texas (KED)
| | - Kathleen E Davis
- Department of Nutrition and Food Sciences, Texas Woman's University, Denton, Texas (CP, VI, SJ, PV).,Department of Clinical Nutrition, University of Texas Southwestern Medical Center, Dallas, Texas (KED)
| | - Victorine Imrhan
- Department of Nutrition and Food Sciences, Texas Woman's University, Denton, Texas (CP, VI, SJ, PV).,Department of Clinical Nutrition, University of Texas Southwestern Medical Center, Dallas, Texas (KED)
| | - Shanil Juma
- Department of Nutrition and Food Sciences, Texas Woman's University, Denton, Texas (CP, VI, SJ, PV).,Department of Clinical Nutrition, University of Texas Southwestern Medical Center, Dallas, Texas (KED)
| | - Parakat Vijayagopal
- Department of Nutrition and Food Sciences, Texas Woman's University, Denton, Texas (CP, VI, SJ, PV).,Department of Clinical Nutrition, University of Texas Southwestern Medical Center, Dallas, Texas (KED)
| |
Collapse
|
14
|
Zhang S, Bai H, Yang P. Real-time monitoring of mechanical changes during dynamic adhesion of erythrocytes to endothelial cells by QCM-D. Chem Commun (Camb) 2016; 51:11449-51. [PMID: 26087999 DOI: 10.1039/c5cc03264d] [Citation(s) in RCA: 24] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022]
Abstract
A quartz crystal microbalance with dissipation monitoring is used to measure changes in mechanical properties of diabetic red blood cells (RBCs) and normal RBCs. Moreover, the adhesion interaction between these two kinds of RBCs and endothelial cells (ECs) is further investigated using a proposed QCM-D biosensor for the first time.
Collapse
Affiliation(s)
- Shaolian Zhang
- Department of Chemistry, Jinan University, Guangzhou 510632, People's Republic of China.
| | | | | |
Collapse
|
15
|
Heier M, Margeirsdottir HD, Gaarder M, Stensæth KH, Brunborg C, Torjesen PA, Seljeflot I, Hanssen KF, Dahl-Jørgensen K. Soluble RAGE and atherosclerosis in youth with type 1 diabetes: a 5-year follow-up study. Cardiovasc Diabetol 2015; 14:126. [PMID: 26408307 PMCID: PMC4582642 DOI: 10.1186/s12933-015-0292-2] [Citation(s) in RCA: 33] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/25/2015] [Accepted: 09/17/2015] [Indexed: 12/14/2022] Open
Abstract
BACKGROUND Advanced glycation end products (AGEs) play a role in the development of late complications and atherosclerosis in diabetes by engaging the receptor for advanced glycation end products, RAGE. Receptor binding leads to activation of the vascular endothelium and increased inflammation in the vessel wall. The soluble variants of the receptor, endogenous secretory RAGE (esRAGE) and the cleaved cell-surface part of RAGE, which together comprise soluble RAGE (sRAGE), are suggested to have a protective effect acting as decoys for RAGE. We aimed to test whether high levels of soluble variants of RAGE could be protective against atherosclerosis development. METHODS Participants in the prospective atherosclerosis and childhood diabetes study were examined at baseline (aged 8-18) and at follow-up after 5 years. Both sRAGE and esRAGE were measured by immunoassay in 299 patients with type 1 diabetes and 112 healthy controls at baseline and 241 patients and 128 controls at follow-up. The AGEs methylglyoxal-derived hydroimidazolone-1 (MG-H1) and carboxymethyllysine (CML) were measured by immunoassay. The surrogate markers of atherosclerosis assessed were carotid intima-media thickness (cIMT), C-reactive protein (CRP) and Young's modulus, measures of arterial wall thickness, inflammation and arterial stiffness, respectively. RESULTS Levels of sRAGE and esRAGE correlated strongly both at baseline and at follow-up in both diabetes patients and controls. With increasing age, mean values of both variants declined, independent of gender, diabetes or pubertal stage. In the diabetes group, multiple regression analysis showed a positive association between both variants of soluble RAGE and cIMT. There was no significant relationship with Young's modulus, but a negative association between sRAGE at baseline and CRP at follow-up. The ratios between the AGEs and the variants of soluble RAGE were increased in diabetes patients compared to controls. CONCLUSIONS The results show a possible protective effect of high levels of sRAGE at baseline against inflammation 5 years later, but not on arterial stiffness or wall thickness, in this cohort of adolescents and young adults with T1D.
Collapse
Affiliation(s)
- Martin Heier
- Pediatric Department, Oslo University Hospital, Oslo, Norway.
- Faculty of Medicine, University of Oslo, Oslo, Norway.
- Oslo Diabetes Research Centre, Oslo, Norway.
| | - Hanna Dis Margeirsdottir
- Faculty of Medicine, University of Oslo, Oslo, Norway.
- Oslo Diabetes Research Centre, Oslo, Norway.
- Akershus University Hospital, Lørenskog, Norway.
| | - Mario Gaarder
- Department of Radiology and Nuclear Medicine, Oslo University Hospital, Oslo, Norway.
| | - Knut Haakon Stensæth
- Faculty of Medicine, University of Oslo, Oslo, Norway.
- Department of Radiology and Nuclear Medicine, Oslo University Hospital, Oslo, Norway.
| | - Cathrine Brunborg
- Department of Biostatistics and Epidemiology, Oslo University Hospital, Oslo, Norway.
| | - Peter Abusdal Torjesen
- Faculty of Medicine, University of Oslo, Oslo, Norway.
- Hormone Laboratory, Oslo University Hospital, Oslo, Norway.
| | - Ingebjørg Seljeflot
- Faculty of Medicine, University of Oslo, Oslo, Norway.
- Department of Cardiology, Center for Clinical Heart Research, Oslo University Hospital, Oslo, Norway.
| | - Kristian Folkvord Hanssen
- Faculty of Medicine, University of Oslo, Oslo, Norway.
- Oslo Diabetes Research Centre, Oslo, Norway.
- Department of Endocrinology, Oslo University Hospital, Oslo, Norway.
| | - Knut Dahl-Jørgensen
- Pediatric Department, Oslo University Hospital, Oslo, Norway.
- Faculty of Medicine, University of Oslo, Oslo, Norway.
- Oslo Diabetes Research Centre, Oslo, Norway.
| |
Collapse
|
16
|
Harvey DJ. Analysis of carbohydrates and glycoconjugates by matrix-assisted laser desorption/ionization mass spectrometry: an update for 2009-2010. MASS SPECTROMETRY REVIEWS 2015; 34:268-422. [PMID: 24863367 PMCID: PMC7168572 DOI: 10.1002/mas.21411] [Citation(s) in RCA: 46] [Impact Index Per Article: 5.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/12/2013] [Revised: 07/16/2013] [Accepted: 07/16/2013] [Indexed: 05/07/2023]
Abstract
This review is the sixth update of the original article published in 1999 on the application of MALDI mass spectrometry to the analysis of carbohydrates and glycoconjugates and brings coverage of the literature to the end of 2010. General aspects such as theory of the MALDI process, matrices, derivatization, MALDI imaging, arrays and fragmentation are covered in the first part of the review and applications to various structural typed constitutes the remainder. The main groups of compound that are discussed in this section are oligo and polysaccharides, glycoproteins, glycolipids, glycosides and biopharmaceuticals. Many of these applications are presented in tabular form. Also discussed are medical and industrial applications of the technique, studies of enzyme reactions and applications to chemical synthesis.
Collapse
Affiliation(s)
- David J. Harvey
- Department of BiochemistryOxford Glycobiology InstituteUniversity of OxfordOxfordOX1 3QUUK
| |
Collapse
|
17
|
Grossin N, Auger F, Niquet-Leridon C, Durieux N, Montaigne D, Schmidt AM, Susen S, Jacolot P, Beuscart JB, Tessier FJ, Boulanger E. Dietary CML-enriched protein induces functional arterial aging in a RAGE-dependent manner in mice. Mol Nutr Food Res 2015; 59:927-38. [PMID: 25655894 DOI: 10.1002/mnfr.201400643] [Citation(s) in RCA: 73] [Impact Index Per Article: 8.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/10/2014] [Revised: 01/05/2015] [Accepted: 01/05/2015] [Indexed: 12/30/2022]
Abstract
SCOPE Advanced glycation end-products (AGEs) are endogenously produced and are present in food. N(ε)-carboxymethyllysine (CML) is an endothelial activator via the receptor for AGEs (RAGEs) and is a major dietary AGE. This work investigated the effects of a CML-enriched diet and RAGE involvement in aortic aging in mice. METHODS AND RESULTS After 9 months of a control diet or CML-enriched diets (50, 100, or 200 μg(CML)/g of food), endothelium-dependent relaxation, RAGE, vascular cell adhesion molecule-1, and sirtuin-1 expression, pulse wave velocity and elastin disruption were measured in aortas of wild-type or RAGE(-/-) male C57BL/6 mice. Compared to the control diet, endothelium-dependent relaxation was reduced in the wild-type mice fed the CML-enriched diet (200 μg(CML)/g) (66.8 ± 12.26 vs. 94.3 ± 2.6%, p < 0.01). RAGE and vascular cell adhesion molecule-1 (p < 0.05) expression were increased in the aortic wall. RAGE(-/-) mice were protected against CML-enriched diet-induced endothelial dysfunction. Compared to control diet, the CML-enriched diet (200 μg(CML)/g) increased the aortic pulse wave velocity (86.6 ± 41.1 vs. 251.4 ± 41.1 cm/s, p < 0.05) in wild-type animals. Elastin disruption was found to a greater extent in the CML-fed mice (p < 0.05). RAGE(-/-) mice fed the CML-enriched diet were protected from aortic stiffening. CONCLUSION Chronic CML ingestion induced endothelial dysfunction, arterial stiffness and aging in a RAGE-dependent manner.
Collapse
Affiliation(s)
- Nicolas Grossin
- Inserm U995/Team "Glycation: from inflammation to aging", Lille School of Medicine, Lille University, Lille, France
| | | | | | | | | | | | | | | | | | | | | |
Collapse
|
18
|
Heier M, Margeirsdottir HD, Torjesen PA, Seljeflot I, Stensæth KH, Gaarder M, Brunborg C, Hanssen KF, Dahl-Jørgensen K. The advanced glycation end product methylglyoxal-derived hydroimidazolone-1 and early signs of atherosclerosis in childhood diabetes. Diab Vasc Dis Res 2015; 12:139-45. [PMID: 25616705 DOI: 10.1177/1479164114560910] [Citation(s) in RCA: 32] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Advanced protein glycation is an important mechanism for the development of late diabetic complications including atherosclerosis. Methylglyoxal-derived hydroimidazolone-1 is the most abundant advanced glycation end product in human plasma. AIM To investigate the relationship between methylglyoxal-derived hydroimidazolone-1 and early signs of atherosclerosis in children and adolescents with type 1 diabetes and healthy controls. METHODS A total of 314 diabetes patients aged 8-18 years were compared with 120 healthy controls. Serum methylglyoxal-derived hydroimidazolone-1 was measured by immunoassay. Atherosclerosis was evaluated by assessing carotid intima-media thickness by ultrasound, arterial stiffness by Young's modulus and inflammation by C-reactive protein. RESULTS Methylglyoxal-derived hydroimidazolone-1 was significantly increased in the diabetes group compared with controls, 155.3 (standard deviation (SD) = 41.0) versus 143.0 (SD = 35.1) U/mL, p = 0.003, as was C-reactive protein, median 0.51 (0.27, 1.83) versus 0.31 (0.19, 0.67) mg/L, p < 0.001. There was no significant difference between the groups regarding carotid intima-media thickness or Young's modulus. Multiple regression analysis showed a significant positive association between methylglyoxal-derived hydroimidazolone-1 and C-reactive protein in the diabetes group. CONCLUSION Serum levels of methylglyoxal-derived hydroimidazolone-1 in diabetes patients are increased and associated with low-grade inflammation, but not yet arterial stiffness or wall thickness. This indicates that methylglyoxal-derived hydroimidazolone-1 may be important in the early phase of the accelerated atherosclerotic process in diabetes.
Collapse
Affiliation(s)
- Martin Heier
- Department of Pediatrics, Oslo University Hospital, Oslo, Norway Faculty of Medicine, University of Oslo, Oslo, Norway Oslo Diabetes Research Centre, Oslo, Norway
| | - Hanna Dis Margeirsdottir
- Faculty of Medicine, University of Oslo, Oslo, Norway Oslo Diabetes Research Centre, Oslo, Norway Akershus University Hospital, Lørenskog, Norway
| | - Peter Abusdal Torjesen
- Faculty of Medicine, University of Oslo, Oslo, Norway Hormone Laboratory, Oslo University Hospital, Oslo, Norway
| | - Ingebjørg Seljeflot
- Faculty of Medicine, University of Oslo, Oslo, Norway Center for Clinical Heart Research and Department of Cardiology, Oslo University Hospital, Oslo, Norway
| | - Knut Haakon Stensæth
- Faculty of Medicine, University of Oslo, Oslo, Norway Department of Radiology and Nuclear Medicine, Oslo University Hospital, Oslo, Norway
| | - Mario Gaarder
- Department of Radiology and Nuclear Medicine, Oslo University Hospital, Oslo, Norway
| | - Cathrine Brunborg
- Department of Biostatistics and Epidemiology, Oslo University Hospital, Oslo, Norway
| | - Kristian Folkvord Hanssen
- Faculty of Medicine, University of Oslo, Oslo, Norway Oslo Diabetes Research Centre, Oslo, Norway Department of Endocrinology, Oslo University Hospital, Oslo, Norway
| | - Knut Dahl-Jørgensen
- Department of Pediatrics, Oslo University Hospital, Oslo, Norway Faculty of Medicine, University of Oslo, Oslo, Norway Oslo Diabetes Research Centre, Oslo, Norway
| |
Collapse
|
19
|
López-Díez R, Rastrojo A, Villate O, Aguado B. Complex tissue-specific patterns and distribution of multiple RAGE splice variants in different mammals. Genome Biol Evol 2014; 5:2420-35. [PMID: 24273313 PMCID: PMC3879976 DOI: 10.1093/gbe/evt188] [Citation(s) in RCA: 30] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
The receptor for advanced glycosylation end products (RAGE) is a multiligand receptor involved in diverse cell signaling pathways. Previous studies show that this gene expresses several splice variants in human, mouse, and dog. Alternative splicing (AS) plays an important role in expanding transcriptomic and proteomic diversity, and it has been related to disease. AS is also one of the main evolutionary mechanisms in mammalian genomes. However, limited information is available regarding the AS of RAGE in a wide context of mammalian tissues. In this study, we examined in detail the different RAGE mRNAs generated by AS from six mammals, including two primates (human and monkey), two artiodactyla (cow and pig), and two rodentia (mouse and rat) in 6–18 different tissues including fetal, adult, and tumor. By nested reverse transcription-polymerase chain reaction (RT-PCR) we identified a high number of splice variants including noncoding transcripts and predicted coding ones with different potential protein modifications affecting mainly the transmembrane and ligand-binding domains that could influence their biological function. However, analysis of RNA-seq data enabled detecting only the most abundant splice variants. More than 80% of the detected RT-PCR variants (87 of 101 transcripts) are novel (different exon/intron structure to the previously described ones), and interestingly, 20–60% of the total transcripts (depending on the species) are noncoding ones that present tissue specificity. Our results suggest that RAGE undergoes extensive AS in mammals, with different expression patterns among adult, fetal, and tumor tissues. Moreover, most splice variants seem to be species specific, especially the noncoding variants, with only two (canonical human Tv1-RAGE, and human N-truncated or Tv10-RAGE) conserved among the six different species. This could indicate a special evolution pattern of this gene at mRNA level.
Collapse
Affiliation(s)
- Raquel López-Díez
- Centro de Biología Molecular Severo Ochoa (CBMSO), Consejo Superior de Investigaciones Científicas, Universidad Autónoma de Madrid (CSIC-UAM), Spain
| | | | | | | |
Collapse
|
20
|
Lam JKY, Wang Y, Shiu SWM, Wong Y, Betteridge DJ, Tan KCB. Effect of insulin on the soluble receptor for advanced glycation end products (RAGE). Diabet Med 2013; 30:702-9. [PMID: 23432638 DOI: 10.1111/dme.12166] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 02/19/2013] [Indexed: 12/17/2022]
Abstract
AIMS The receptor for advanced glycation end products (RAGE) plays an important role in the pathogenesis of diabetic complications. RAGE transcript splicing generates a number of isoforms, including a full-length membrane-bound receptor and a soluble isoform, endogenous secretory RAGE (esRAGE). Soluble forms of the receptor (sRAGE) can also be formed by ectodomain shedding of the membrane-associated receptor. We have evaluated serum levels of sRAGE and esRAGE in Chinese patients with Type 1 diabetes and investigated the effect of insulin on the generation of esRAGE and sRAGE in vitro. METHODS Serum sRAGE and esRAGE were measured by ELISA. The in vitro effect of insulin was investigated by incubating THP-1 macrophages with insulin and RAGE isoforms in cell lysate and conditioned media determined. RESULTS In patients with diabetes, both serum esRAGE and sRAGE were significantly higher than in age-matched healthy subjects without diabetes. In vitro, insulin increased esRAGE and total RAGE isoform expression in cell lysate on a western blot, and reverse transcription-polymerase chain reaction showed an increase in esRAGE and full-length RAGE mRNA. This was accompanied by an increase in esRAGE and sRAGE in cell conditioned media. Pretreatment of THP-1 cells with a general metalloproteinase inhibitor GM6001 significantly reduced the production of sRAGE, suggesting that insulin also increased the cleavage of full-length cell surface RAGE to form sRAGE. CONCLUSIONS Chinese patients with Type 1 diabetes have higher serum levels of esRAGE and sRAGE. In vitro, insulin not only increases both full-length RAGE and esRAGE expression, but can also stimulate the shedding of sRAGE from the membrane-bound receptor.
Collapse
Affiliation(s)
- J K Y Lam
- Department of Medicine, University of Hong Kong, Hong Kong
| | | | | | | | | | | |
Collapse
|
21
|
Mangalmurti NS, Chatterjee S, Cheng G, Andersen E, Mohammed A, Siegel DL, Schmidt AM, Albelda SM, Lee JS. Advanced glycation end products on stored red blood cells increase endothelial reactive oxygen species generation through interaction with receptor for advanced glycation end products. Transfusion 2011; 50:2353-61. [PMID: 20492604 DOI: 10.1111/j.1537-2995.2010.02689.x] [Citation(s) in RCA: 38] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
BACKGROUND Recent evidence suggests that storage-induced alterations of the red blood cell (RBC) are associated with adverse consequences in susceptible hosts. As RBCs have been shown to form advanced glycation end products (AGEs) after increased oxidative stress and under pathologic conditions, we examined whether stored RBCs undergo modification with the specific AGE N-(carboxymethyl)lysine (N(ε) -CML) during standard blood banking conditions. STUDY DESIGN AND METHODS Purified, fresh RBCs from volunteers were compared to stored RBCs (35-42 days old) obtained from the blood bank. N(ε) -CML formation was quantified using a competitive enzyme-linked immunosorbent assay. The receptor for advanced glycation end products (RAGE) was detected in human pulmonary microvascular endothelial cells (HMVEC-L) by real-time polymerase chain reaction, Western blotting, and flow cytometry. Intracellular reactive oxygen species (ROS) generation was measured by the use of 5-(and 6-)chloromethyl-2',7'-dichlorodihydrofluorescein diacetate, acetyl ester-based assays. RESULTS Stored RBCs showed increased surface N(ε) -CML formation when compared with fresh RBCs. HMVEC-L showed detectable surface RAGE expression constitutively. When compared to fresh RBCs, stored RBCs triggered increased intracellular ROS generation in both human umbilical vein endothelial cells and HMVEC-L. RBC-induced endothelial ROS generation was attenuated in the presence of soluble RAGE or RAGE blocking antibody. CONCLUSIONS The formation of the AGE N(ε) -CML on the surface of stored RBCs is one functional consequence of the storage lesion. AGE-RAGE interactions may be one mechanism by which transfused RBCs cause endothelial cell damage.
Collapse
Affiliation(s)
- Nilam S Mangalmurti
- Department of Medicine, Division of Pulmonary, Allergy, and Critical Care, University of Pennsylvania, Philadelphia 19104, USA.
| | | | | | | | | | | | | | | | | |
Collapse
|