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Nair M, Jagadeeshan S, Katselis G, Luan X, Momeni Z, Henao-Romero N, Chumala P, Tam JS, Yamamoto Y, Ianowski JP, Campanucci VA. Lipopolysaccharides induce a RAGE-mediated sensitization of sensory neurons and fluid hypersecretion in the upper airways. Sci Rep 2021; 11:8336. [PMID: 33863932 PMCID: PMC8052339 DOI: 10.1038/s41598-021-86069-6] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2020] [Accepted: 03/02/2021] [Indexed: 02/07/2023] Open
Abstract
Thoracic dorsal root ganglia (tDRG) contribute to fluid secretion in the upper airways. Inflammation potentiates DRG responses, but the mechanisms remain under investigation. The receptor for advanced glycation end-products (RAGE) underlies potentiation of DRG responses in pain pathologies; however, its role in other sensory modalities is less understood. We hypothesize that RAGE contributes to electrophysiological and biochemical changes in tDRGs during inflammation. We used tDRGs and tracheas from wild types (WT), RAGE knock-out (RAGE-KO), and with the RAGE antagonist FPS-ZM1, and exposed them to lipopolysaccharides (LPS). We studied: capsaicin (CAP)-evoked currents and action potentials (AP), tracheal submucosal gland secretion, RAGE expression and downstream pathways. In WT neurons, LPS increased CAP-evoked currents and AP generation, and it caused submucosal gland hypersecretion in tracheas from WT mice exposed to LPS. In contrast, LPS had no effect on tDRG excitability or gland secretion in RAGE-KO mice or mice treated with FPS-ZM1. LPS upregulated full-length RAGE (encoded by Tv1-RAGE) and downregulated a soluble (sRAGE) splice variant (encoded by MmusRAGEv4) in tDRG neurons. These data suggest that sensitization of tDRG neurons contributes to hypersecretion in the upper airways during inflammation. And at least two RAGE variants may be involved in these effects of LPS.
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Affiliation(s)
- Manoj Nair
- Department of Anatomy, Physiology and Pharmacology (APP), College of Medicine, University of Saskatchewan, 107 Wiggins Road, Saskatoon, SK, S7N 5E5, Canada
| | - Santosh Jagadeeshan
- Department of Anatomy, Physiology and Pharmacology (APP), College of Medicine, University of Saskatchewan, 107 Wiggins Road, Saskatoon, SK, S7N 5E5, Canada
| | - George Katselis
- Department of Medicine, College of Medicine, University of Saskatchewan, 107 Wiggins Road, Saskatoon, SK, S7N 5E5, Canada
| | - Xiaojie Luan
- Department of Medicine, College of Medicine, University of Saskatchewan, 107 Wiggins Road, Saskatoon, SK, S7N 5E5, Canada
| | - Zeinab Momeni
- Department of Anatomy, Physiology and Pharmacology (APP), College of Medicine, University of Saskatchewan, 107 Wiggins Road, Saskatoon, SK, S7N 5E5, Canada
| | - Nicolas Henao-Romero
- Department of Anatomy, Physiology and Pharmacology (APP), College of Medicine, University of Saskatchewan, 107 Wiggins Road, Saskatoon, SK, S7N 5E5, Canada
| | - Paulos Chumala
- Department of Medicine, College of Medicine, University of Saskatchewan, 107 Wiggins Road, Saskatoon, SK, S7N 5E5, Canada
| | - Julian S Tam
- Department of Medicine, Division of Respirology, College of Medicine, University of Saskatchewan, 107 Wiggins Road, Saskatoon, SK, S7N 5E5, Canada
| | - Yasuhiko Yamamoto
- Department of Biochemistry and Molecular Vascular Biology, Kanazawa University Graduate School of Medical Science, Kanazawa, 920-8640, Japan
| | - Juan P Ianowski
- Department of Anatomy, Physiology and Pharmacology (APP), College of Medicine, University of Saskatchewan, 107 Wiggins Road, Saskatoon, SK, S7N 5E5, Canada
| | - Verónica A Campanucci
- Department of Anatomy, Physiology and Pharmacology (APP), College of Medicine, University of Saskatchewan, 107 Wiggins Road, Saskatoon, SK, S7N 5E5, Canada.
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Rojas A, Gonzalez I, Morales MA. SARS-CoV-2-mediated inflammatory response in lungs: should we look at RAGE? Inflamm Res 2020; 69:641-643. [PMID: 32372149 PMCID: PMC7200049 DOI: 10.1007/s00011-020-01353-x] [Citation(s) in RCA: 31] [Impact Index Per Article: 7.8] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Revised: 04/21/2020] [Accepted: 04/27/2020] [Indexed: 02/07/2023] Open
Affiliation(s)
- Armando Rojas
- Biomedical Research Laboratories, Medicine Faculty, Catholic University of Maule, Talca, Chile.
| | - Ileana Gonzalez
- Biomedical Research Laboratories, Medicine Faculty, Catholic University of Maule, Talca, Chile
| | - Miguel A Morales
- Molecular and Clinical Pharmacology Program, Institute of Biomedical Sciences, University of Chile, Santiago, Chile
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Araya P, Romero J, Delgado-López F, Gonzalez I, Añazco C, Perez R, Rojas A. HMGB1 decreases CCR-2 expression and migration of M2 macrophages under hypoxia. Inflamm Res 2019; 68:639-642. [PMID: 31115587 DOI: 10.1007/s00011-019-01249-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/02/2019] [Revised: 05/14/2019] [Accepted: 05/16/2019] [Indexed: 02/07/2023] Open
Abstract
OBJECTIVE The hypoxic milieu at tumor microenvironment is able to drive the behavior of infiltrating tumor cells. Considering that hypoxia-mediated HMGB1 release is known to promote tumor growth, as well to enhance the pro-tumoral profile of M2 macrophages by a RAGE-dependent mechanism, it is tempting to evaluate the potential contribution of HMGB1 under hypoxia to restrain M2 macrophages mobility. METHODS CCR-2 expression was evaluated in M2 polarized macrophages by western blotting and immunocytochemistry. The secreted levels of CCL-2 and the migration capability were evaluated using an ELISA and a chemotaxis assay, respectively. RESULTS HMGB1, under hypoxic conditions, markedly reduce both the production of CCL-2 and the expression of its receptor CCR-2; and reduced the migration capacity of M2 macrophages. CONCLUSIONS These results provided new insights into the mechanisms that regulate M2 macrophages mobility at the tumor microenvironment.
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Affiliation(s)
- Paulina Araya
- Biomedical Research Laboratories, Medicine Faculty, Catholic University of Maule, Talca, Chile
| | - Jacqueline Romero
- Biomedical Research Laboratories, Medicine Faculty, Catholic University of Maule, Talca, Chile
| | - Fernando Delgado-López
- Biomedical Research Laboratories, Medicine Faculty, Catholic University of Maule, Talca, Chile
| | - Ileana Gonzalez
- Biomedical Research Laboratories, Medicine Faculty, Catholic University of Maule, Talca, Chile
| | - Carolina Añazco
- Biomedical Research Laboratories, Medicine Faculty, Catholic University of Maule, Talca, Chile
| | - Ramón Perez
- Biomedical Research Laboratories, Medicine Faculty, Catholic University of Maule, Talca, Chile
| | - Armando Rojas
- Biomedical Research Laboratories, Medicine Faculty, Catholic University of Maule, Talca, Chile.
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4
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Sun Z, Wang Z, Li L, Yan J, Shao C, Bao Z, Jing L, Pang Q, Geng Y, Zhang L. RAGE/galectin-3 yields intraplaque calcification transformation via sortilin. Acta Diabetol 2019; 56:457-472. [PMID: 30603868 DOI: 10.1007/s00592-018-1273-1] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/18/2018] [Accepted: 12/10/2018] [Indexed: 12/23/2022]
Abstract
AIMS Macrocalcification and microcalcification present different clinical risks, but the regulatory of their formation was unclear. Therefore, this study explored the underlying mechanisms of macrocalcification and microcalcification in diabetes mellitus. METHODS Anterior tibial arteries of amputated diabetic feet were collected. According to the calcium content, patients were divided into less-calcification group and more-calcification group. And calcification morphology in plaques was observed. For further study, an in vivo mouse diabetic atherosclerosis model and an in vitro primary mouse aortic smooth muscle cell model were established. After the receptors for AGEs (RAGE) or galectin-3 were silenced, calcified nodule sizes and sortilin expression were determined. Scanning electron microscopy (SEM) was performed to detect the aggregation of matrix vesicles with the inhibition or promotion of sortilin. RESULTS Both macro- and microcalcification were found in human anterior tibial artery plaques. Macrocalcification formed after the silencing of RAGE, and microcalcification formed after the silencing of galectin-3. In the process of RAGE- or galcetin-3-induced calcification, sortilin played an important role downstream. SEM showed that sortilin promoted the aggregation of MVs in the early stage of calcification and formed larger calcified nodules. CONCLUSION RAGE downregulated sortilin and then transmitted microcalcification signals, whereas galectin-3 upregulated sortilin, which accelerated the aggregation of MVs in the early stage of calcification and mediated the formation of macrocalcifications, These data illustrate the progression of two calcification types and suggest sortilin as a potential target for early intervention of calcification and as an effective biomarker for the assessment of long-term clinical risk and prognosis.
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MESH Headings
- Adaptor Proteins, Vesicular Transport/genetics
- Adaptor Proteins, Vesicular Transport/metabolism
- Amputation, Surgical
- Animals
- Aorta/metabolism
- Aorta/pathology
- Blood Proteins
- Cells, Cultured
- Diabetes Mellitus, Experimental/complications
- Diabetes Mellitus, Experimental/metabolism
- Diabetes Mellitus, Experimental/pathology
- Diabetic Angiopathies/genetics
- Diabetic Angiopathies/metabolism
- Diabetic Angiopathies/surgery
- Diabetic Foot/pathology
- Diabetic Foot/surgery
- Galectin 3/physiology
- Galectins
- Gene Expression Regulation/drug effects
- Humans
- Male
- Mice
- Mice, Inbred C57BL
- Mice, Knockout
- Muscle, Smooth, Vascular/metabolism
- Muscle, Smooth, Vascular/pathology
- Myocytes, Smooth Muscle/metabolism
- Myocytes, Smooth Muscle/pathology
- Plaque, Atherosclerotic/genetics
- Plaque, Atherosclerotic/metabolism
- RNA Interference
- RNA, Small Interfering/pharmacology
- Receptor for Advanced Glycation End Products/physiology
- Signal Transduction/drug effects
- Signal Transduction/genetics
- Streptozocin
- Tibial Arteries/metabolism
- Tibial Arteries/pathology
- Vascular Calcification/genetics
- Vascular Calcification/metabolism
- Vascular Calcification/pathology
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Affiliation(s)
- Zhen Sun
- Department of Cardiology, Affiliated Hospital of Jiangsu University, 212001, Zhenjiang, China
| | - Zhongqun Wang
- Department of Cardiology, Affiliated Hospital of Jiangsu University, 212001, Zhenjiang, China.
| | - Lihua Li
- Department of Pathology, Affiliated Hospital of Jiangsu University, 212001, Zhenjiang, China
| | - Jinchuan Yan
- Department of Cardiology, Affiliated Hospital of Jiangsu University, 212001, Zhenjiang, China
| | - Chen Shao
- Department of Cardiology, Affiliated Hospital of Jiangsu University, 212001, Zhenjiang, China
| | - Zhengyang Bao
- Department of Cardiology, Affiliated Hospital of Jiangsu University, 212001, Zhenjiang, China
| | - Lele Jing
- Department of Cardiology, Affiliated Hospital of Jiangsu University, 212001, Zhenjiang, China
| | - Qiwen Pang
- Department of Cardiology, Affiliated Hospital of Jiangsu University, 212001, Zhenjiang, China
| | - Yue Geng
- Department of Cardiology, Affiliated Hospital of Jiangsu University, 212001, Zhenjiang, China
| | - Lili Zhang
- Department of Cardiology, Affiliated Hospital of Jiangsu University, 212001, Zhenjiang, China
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5
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Downs CA, Johnson NM, Tsaprailis G, Helms MN. RAGE-induced changes in the proteome of alveolar epithelial cells. J Proteomics 2018; 177:11-20. [PMID: 29448054 DOI: 10.1016/j.jprot.2018.02.010] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2017] [Revised: 01/28/2018] [Accepted: 02/05/2018] [Indexed: 12/14/2022]
Abstract
The receptor for advanced glycation end-products (RAGE) is a pattern recognition receptor and member of the immunoglobulin superfamily. RAGE is constitutively expressed in the distal lung where it co-localizes with the alveolar epithelium; RAGE expression is otherwise minimal or absent, except with disease. This suggests RAGE plays a role in lung physiology and pathology. We used proteomics to identify and characterize the effects of RAGE on rat alveolar epithelial (R3/1) cells. LC-MS/MS identified 177 differentially expressed proteins and the PANTHER Classification System further segregated proteins. Proteins involved in gene transcription (RNA and mRNA splicing, mRNA processing) and transport (protein, intracellular protein) were overrepresented; genes involved in a response to stimulus were underrepresented. Immune system processes and response to stimuli were downregulated with RAGE knockdown. Western blot confirmed RAGE-dependent changes in protein expression for NFκB and NLRP3 that was functionally supported by a reduction in IL-1β and phosphorylated p65. We also assessed RAGE's effect on redox regulation and report that RAGE knockdown attenuated oxidant production, decreased protein oxidation, and increased reduced thiol pools. Collectively the data suggest that RAGE is a critical regulator of epithelial cell response and has implications for our understanding of lung disease, specifically acute lung injury. SIGNIFICANCE STATEMENT In the present study, we undertook the first proteomic evaluation of RAGE-dependent processes in alveolar epithelial cells. The alveolar epithelium is a primary target during acute lung injury, and our data support a role for RAGE in gene transcription, protein transport, and response to stimuli. More over our data suggest that RAGE is a critical driver of redox regulation in the alveolar epithelium. The conclusions of the present work assist to unravel the molecular events that underlie the function of RAGE in alveolar epithelial cells and have implications for our understanding of RAGE signaling during lung injury. Our study was the first proteomic comparison showing the effects of RAGE activation from alveolar epithelial cells that constitutively express RAGE and these results can affect a wide field of lung biology, pulmonary therapeutics, and proteomics.
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Affiliation(s)
- Charles A Downs
- Biobehavioral Health Science Division, College of Nursing & Division of Translational and Regenerative Medicine, College of Medicine, The University of Arizona, Tucson, AZ, United States.
| | - Nicholle M Johnson
- Biobehavioral Health Science Division, College of Nursing & Division of Translational and Regenerative Medicine, College of Medicine, The University of Arizona, Tucson, AZ, United States
| | - George Tsaprailis
- Arizona Research Laboratories, The University of Arizona, Tucson, AZ, United States
| | - My N Helms
- Department of Internal Medicine, School of Medicine, University of Utah, Salt Lake City, UT, United States
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6
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Javn S, Thomas S, Ramachandran S, Loganathan S, Sundari M, Mala K. Polycystic ovarian syndrome-associated cardiovascular complications: An overview of the association between the biochemical markers and potential strategies for their prevention and elimination. Diabetes Metab Syndr 2017; 11 Suppl 2:S841-S851. [PMID: 28711514 DOI: 10.1016/j.dsx.2017.07.004] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/25/2017] [Accepted: 07/01/2017] [Indexed: 01/28/2023]
Abstract
Polycystic ovarian syndrome (PCOS) is associated with multiple cardiovascular risk factors (CVRF) including endothelial dysfunction (ED) and presence of metabolic syndrome (MS). The probable reason suggested for elevated CVRF in PCOS is oxidative stress (OS), which is an integral factor in cardiometabolic complications (CMC) seen in PCOS women. The interrelated mechanisms by which CVRF instigate clinical manifestation plays a crucial role in identification of a strategy to treat different comorbidities in PCOS. The existing treatment for PCOS mostly focuses on management of individual disorders, however, therapeutic strategies or novel targets to address cardiovascular complications in PCOS deserve extensive analysis.
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Affiliation(s)
- Sb Javn
- Department of Biotechnology, School of Bioengineering, SRM University, Potheri 603203, TN, India
| | - Sowmya Thomas
- Department of Biotechnology, School of Bioengineering, SRM University, Potheri 603203, TN, India
| | - Sandhiya Ramachandran
- Department of Biotechnology, School of Bioengineering, SRM University, Potheri 603203, TN, India
| | - Swetha Loganathan
- Department of Biotechnology, School of Bioengineering, SRM University, Potheri 603203, TN, India
| | - Meenakshi Sundari
- Department of General Medicine, SRM University, Potheri 603203, TN, India
| | - Kanchana Mala
- Medical College Hospital and Research Center, SRM University, Potheri 603203, TN, India.
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7
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Abstract
The receptor for advanced glycation end products (RAGE) is a novel protein increasingly studied in the pathogenesis of type 1 diabetes (T1D). RAGE is expressed by several immune cell types, including T cells, antigen-presenting cells, endothelial cells, and the endocrine cells of the pancreatic islets. RAGE binds various ligands including advanced glycation end products (AGEs), high-mobility group box protein 1 (HMGB1), S100 proteins, β-amyloid, β-sheet fibrils, and lipopolysaccharide. AGEs are a particularly interesting ligand because their exogenous introduction into the body can be accelerated by the consumption of AGE-rich processed foods. This review will detail RAGE isoforms and its ligands and discuss how RAGE binding on the aforementioned cells could be linked to T1D pathogenesis.
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Affiliation(s)
- Sherman S Leung
- Glycation and Diabetes, Mater Research Institute, Translational Research Institute, The University of Queensland, 37 Kent St, Woolloongabba, Brisbane, Queensland, Australia
- School of Biomedical Sciences, The University of Queensland, Brisbane, Queensland, Australia
| | - Josephine M Forbes
- Glycation and Diabetes, Mater Research Institute, Translational Research Institute, The University of Queensland, 37 Kent St, Woolloongabba, Brisbane, Queensland, Australia.
- Mater Clinical School, School of Medicine, The University of Queensland, Brisbane, Queensland, Australia.
| | - Danielle J Borg
- Glycation and Diabetes, Mater Research Institute, Translational Research Institute, The University of Queensland, 37 Kent St, Woolloongabba, Brisbane, Queensland, Australia
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8
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Fuentes E, Palomo I, Rojas A. Cross-talk between platelet and tumor microenvironment: Role of multiligand/RAGE axis in platelet activation. Blood Rev 2016; 30:213-21. [PMID: 26723842 DOI: 10.1016/j.blre.2015.11.005] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2015] [Revised: 10/02/2015] [Accepted: 11/30/2015] [Indexed: 02/07/2023]
Affiliation(s)
- Eduardo Fuentes
- Department of Clinical Biochemistry and Immunohematology, Faculty of Health Sciences, Interdisciplinary Excellence Research Program on Healthy Aging (PIEI-ES), Universidad de Talca, Talca, Chile; Centro de Estudios en Alimentos Procesados (CEAP), CONICYT-Regional, Gore Maule R09I2001, Talca, Chile.
| | - Iván Palomo
- Department of Clinical Biochemistry and Immunohematology, Faculty of Health Sciences, Interdisciplinary Excellence Research Program on Healthy Aging (PIEI-ES), Universidad de Talca, Talca, Chile; Centro de Estudios en Alimentos Procesados (CEAP), CONICYT-Regional, Gore Maule R09I2001, Talca, Chile
| | - Armando Rojas
- Biomedical Research Laboratories, Medicine Faculty, Catholic University of Maule, Talca, Chile.
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9
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Izushi Y, Teshigawara K, Liu K, Wang D, Wake H, Takata K, Yoshino T, Takahashi HK, Mori S, Nishibori M. Soluble form of the receptor for advanced glycation end-products attenuates inflammatory pathogenesis in a rat model of lipopolysaccharide-induced lung injury. J Pharmacol Sci 2016; 130:226-34. [PMID: 27038888 DOI: 10.1016/j.jphs.2016.02.005] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2015] [Revised: 02/16/2016] [Accepted: 02/18/2016] [Indexed: 01/06/2023] Open
Abstract
Acute respiratory distress syndrome (ARDS) is a severe respiratory failure caused by acute lung inflammation. Recently, the receptor for advanced glycation end-products (RAGE) has attracted attention in the lung inflammatory response. However, the function of soluble form of RAGE (sRAGE), which is composed of an extracellular domain of RAGE, in ARDS remains elusive. Therefore, we investigated the dynamics of pulmonary sRAGE and the effects of exogenous recombinant human sRAGE (rsRAGE) under intratracheal lipopolysaccharide (LPS)-induced lung inflammation. Our result revealed that RAGE was highly expressed on the alveolar type I epithelial cells in the healthy rat lung including sRAGE isoform sized 45 kDa. Under LPS-induced injured lung, the release of sRAGE into the alveolar space was increased, whereas the expression of RAGE was decreased with alveolar disruption. Treatment of the injured lung with rsRAGE significantly suppressed the lung edema, the neutrophils infiltration, the release of high mobility group box-1 (HMGB1), and the expressions of TNF-α, IL-1β and iNOS. These results suggest that the alveolar release of sRAGE may play a protective role against HMGB1 as well as exogenous pathogen-associated molecular patterns. Supplementary therapy with sRAGE may be an effective therapeutic strategy for ARDS.
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Affiliation(s)
- Yasuhisa Izushi
- Department of Pharmacology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan
| | - Kiyoshi Teshigawara
- Department of Pharmacology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan
| | - Keyue Liu
- Department of Pharmacology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan
| | - Dengli Wang
- Department of Pharmacology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan
| | - Hidenori Wake
- Department of Pharmacology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan
| | - Katsuyoshi Takata
- Department of Pathology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan
| | - Tadashi Yoshino
- Department of Pathology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan
| | - Hideo Kohka Takahashi
- Department of Pharmacology, Kinki University, Faculty of Medicine, 377-2 Ohno-Higashi, Osaka-Sayama, Osaka 589-8511, Japan
| | - Shuji Mori
- School of Pharmacy, Shujitsu University, 1-6-1 Nishigawara, Naka-ku, Okayama 703-8516, Japan
| | - Masahiro Nishibori
- Department of Pharmacology, Okayama University Graduate School of Medicine, Dentistry and Pharmaceutical Sciences, 2-5-1 Shikata-cho, Kita-ku, Okayama 700-8558, Japan.
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10
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Hall SC, Agrawal DK. Toll-like receptors, triggering receptor expressed on myeloid cells family members and receptor for advanced glycation end-products in allergic airway inflammation. Expert Rev Respir Med 2016; 10:171-84. [PMID: 26678062 PMCID: PMC4955846 DOI: 10.1586/17476348.2016.1133303] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Asthma is a chronic disorder of the airways characterized by cellular infiltration, airway hyper-responsive and airway inflammation. Innate immune cells are the first line of defense against endogenous and exogenous signals in the airways and as such possess a diverse array of pattern recognition receptors. Toll-like receptors are crucial sentinels which when activated, can either promote or ameliorate the inflammatory response in predisposed individuals. The recently discovered triggering receptor expressed on myeloid cells family members are emerging mediators of inflammation. These receptors are believed to modulate inflammatory responses by collaborating with classic PRRs. Endogenous signals like HMGB-1, signaling through the receptor for advanced glycation end products, also promotes inflammation, however, its contribution to inflammation in the airways is not well known. Here, we discuss the role of each receptor in airway inflammation and highlight potential synergistic mechanisms, which contribute to disease pathogenesis in allergic asthma.
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Affiliation(s)
- Sannette C. Hall
- Department of Biomedical Science, Creighton University School of Medicine, Omaha, NE, USA
| | - Devendra K. Agrawal
- Department of Biomedical Science, Creighton University School of Medicine, Omaha, NE, USA
- Department of Medical Microbiology and Immunology, Creighton University School of Medicine, Omaha, NE, USA
- Center for Clinical and Translational Science Creighton University School of Medicine, Omaha, NE, USA
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11
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Uribarri J, del Castillo MD, de la Maza MP, Filip R, Gugliucci A, Luevano-Contreras C, Macías-Cervantes MH, Markowicz Bastos DH, Medrano A, Menini T, Portero-Otin M, Rojas A, Sampaio GR, Wrobel K, Wrobel K, Garay-Sevilla ME. Dietary advanced glycation end products and their role in health and disease. Adv Nutr 2015; 6:461-73. [PMID: 26178030 PMCID: PMC4496742 DOI: 10.3945/an.115.008433] [Citation(s) in RCA: 221] [Impact Index Per Article: 24.6] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/05/2023] Open
Abstract
Over the past 2 decades there has been increasing evidence supporting an important contribution from food-derived advanced glycation end products (AGEs) to the body pool of AGEs and therefore increased oxidative stress and inflammation, processes that play a major role in the causation of chronic diseases. A 3-d symposium (1st Latin American Symposium of AGEs) to discuss this subject took place in Guanajuato, Mexico, on 1-3 October 2014 with the participation of researchers from several countries. This review is a summary of the different presentations and subjects discussed, and it is divided into 4 sections. The first section deals with current general knowledge about AGEs. The second section dwells on mechanisms of action of AGEs, with special emphasis on the receptor for advanced glycation end products and the potential role of AGEs in neurodegenerative diseases. The third section discusses different approaches to decrease the AGE burden. The last section discusses current methodologic problems with measurement of AGEs in different samples. The subject under discussion is complex and extensive and cannot be completely covered in a short review. Therefore, some areas of interest have been left out because of space. However, we hope this review illustrates currently known facts about dietary AGEs as well as pointing out areas that require further research.
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Affiliation(s)
- Jaime Uribarri
- Department of Medicine, The Icahn School of Medicine at Mount Sinai, New York, NY;
| | - María Dolores del Castillo
- Food Bioscience Group, Department of Food Analysis and Bioactivity, Institute of Food Science Research, Spanish National Research Council, Madrid, Spain
| | - María Pía de la Maza
- Institute of Nutrition and Food Technology Dr. Fernando Monckeberg Barros, University of Chile, Santiago, Chile
| | - Rosana Filip
- Department of Pharmacognosy, Institute of Drug Chemistry and Metabolism, School of Pharmacy and Biochemistry, University of Buenos Aires, Buenos Aires, Argentina
| | | | | | | | | | - Alejandra Medrano
- Food Science and Technology Department, School of Chemistry, University of the Republic, Montevideo, Uruguay
| | - Teresita Menini
- College of Osteopathic Medicine, Touro University California, Vallejo, CA
| | - Manuel Portero-Otin
- Metabolic Pathophysiology Department, School of Medicine, Biomedical Research Institute of Lleida, University of Lleida, Lleida, Spain
| | - Armando Rojas
- Biomedical Research Laboratories, Faculty of Medicine, Catholic University of Maule, Talca, Chile; and
| | | | - Kazimierz Wrobel
- Chemistry Department, University of Guanajuato, Guanajuato, Mexico
| | - Katarzyna Wrobel
- Chemistry Department, University of Guanajuato, Guanajuato, Mexico
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Merhi Z, Mcgee EA, Buyuk E. Role of advanced glycation end-products in obesity-related ovarian dysfunction. MINERVA ENDOCRINOL 2014; 39:167-174. [PMID: 25068304] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/03/2023]
Abstract
Obesity affects ovarian function, one of the main regulators of female fertility. Tissue levels of the proinflammatory advanced glycation end-products (AGEs) and their receptors (RAGE) are elevated in obesity. AGEs are key contributors to perturbations in the ovarian microenvironment. On this basis, the present review focuses on clinical and experimental studies supporting the role of AGE-RAGE system as a contributor to obesity-related ovarian dysfunction. Particular emphasis has been given to changes in AGEs, RAGE and the anti-inflammatory soluble receptor (sRAGE) levels in obesity state and following dietary interventions (high-fat diet and weight loss). Ovarian sensitivity, in particular granulosa cell function and oocyte meiosis, to the pro-inflammatory AGE-RAGE system as well as the relationship of follicular fluid AGEs and sRAGE to in vitro fertilization outcome are also discussed. Overall, obesity, with its alterations in the AGE-RAGE system, can disrupt the ovarian microenvironment potentially compromising oocyte competence and fertility. This review underscores a critical need to uncover the mechanistic actions of AGE-RAGE system in obesity-related ovarian dysfunction. Clinical and basic studies focusing on elucidating the patterns of accumulation and role of the AGE-RAGE system in human ovarian follicles are key steps in understanding their contribution to the health of human oocytes and embryos.
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Affiliation(s)
- Z Merhi
- Division of Reproductive Endocrinology and Infertility Department of Obstetrics, Gynecology and Reproductive Sciences University of Vermont College of Medicine, Burlington, VT, USA -
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Abstract
The receptor for advanced glycation end products (RAGE), a member of the immunoglobulin super-family transmembrane proteins, has multiple ligands, thus, is implicated in the pathogenesis of various diseases, including diabetic complications, neurodegenerative disorders, and inflammatory responses. Its function in normal physiology is beginning to be defined, and recent studies have pointed to an important role for RAGE and its ligands (e.g., HMGB1 (high mobility group box 1)) in innate immune response. In addition, RAGE and its ligands are also implicated in osteoclast activation and bone remodeling. Understanding how RAGE and its ligands regulate bone remodeling may provide insight into the pathogenesis of diabetes and chronic inflammation associated bone loss. Recent progress relevant to the functions of RAGE and its ligands in bone remodeling is discussed in this review.
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Affiliation(s)
- Zheng Zhou
- Institute of Molecular Medicine and Genetics and Department of Neurology, Medical College of Georgia, Augusta, GA 30912
| | - Wen-Cheng Xiong
- Institute of Molecular Medicine and Genetics and Department of Neurology, Medical College of Georgia, Augusta, GA 30912
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Tian J, Avalos AM, Mao SY, Chen B, Senthil K, Wu H, Parroche P, Drabic S, Golenbock D, Sirois C, Hua J, An LL, Audoly L, La Rosa G, Bierhaus A, Naworth P, Marshak-Rothstein A, Crow MK, Fitzgerald KA, Latz E, Kiener PA, Coyle AJ. Toll-like receptor 9-dependent activation by DNA-containing immune complexes is mediated by HMGB1 and RAGE. Nat Immunol 2007; 8:487-96. [PMID: 17417641 DOI: 10.1038/ni1457] [Citation(s) in RCA: 1058] [Impact Index Per Article: 62.2] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2006] [Accepted: 03/08/2007] [Indexed: 11/09/2022]
Abstract
Increased concentrations of DNA-containing immune complexes in the serum are associated with systemic autoimmune diseases such as lupus. Stimulation of Toll-like receptor 9 (TLR9) by DNA is important in the activation of plasmacytoid dendritic cells and B cells. Here we show that HMGB1, a nuclear DNA-binding protein released from necrotic cells, was an essential component of DNA-containing immune complexes that stimulated cytokine production through a TLR9-MyD88 pathway involving the multivalent receptor RAGE. Moreover, binding of HMGB1 to class A CpG oligodeoxynucleotides considerably augmented cytokine production by means of TLR9 and RAGE. Our data demonstrate a mechanism by which HMGB1 and RAGE activate plasmacytoid dendritic cells and B cells in response to DNA and contribute to autoimmune pathogenesis.
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Affiliation(s)
- Jane Tian
- Inflammation and Autoimmune Group, Research Department, MedImmune, Gaithersburg, Maryland 20878, USA
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Abstract
Diabetes mellitus has now reached epidemic proportions in the Western world. The associated microvascular and macrovascular complications are a result of severe metabolic derangement, which leads to chronic tissue injury. Although there are a number of proposed pathophysiologic mechanisms for the vascular complications associated with diabetes, this review focuses predominantly on the role of advanced glycation end products (AGEs) in the pathogenesis of diabetes-associated atherosclerosis. The potential role of AGEs in enhancing arterial stiffness, an entity occurring with a greater prevalence in populations known to have higher-than-normal AGE levels, is also examined. Pharmacologic interventions aimed at reducing the level of these chemical compounds or interrupting their action provide hope for the future treatment of both atherosclerotic vascular disease and systolic hypertension, particularly in the setting of diabetes.
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Affiliation(s)
- Georgia Soldatos
- Baker Medical Research Institute, Melbourne, Victoria 8008, Australia.
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