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Chang C, Huang K, Xu X, Duan R, Yu T, Chu X, Chen C, Li B, Yang T. MiR-23a-5p alleviates chronic obstructive pulmonary disease through targeted regulation of RAGE-ROS pathway. Respir Res 2024; 25:93. [PMID: 38378600 PMCID: PMC10880325 DOI: 10.1186/s12931-024-02736-y] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2023] [Accepted: 02/14/2024] [Indexed: 02/22/2024] Open
Abstract
BACKGROUND Chronic obstructive pulmonary disease (COPD) is a common respiratory disease and represents the third leading cause of death worldwide. This study aimed to investigate miRNA regulation of Receptor for Advanced Glycation End-products (RAGE), a causal receptor in the pathogenesis of cigarette smoke (CS)-related COPD, to guide development of therapeutic strategies. METHODS RAGE expression was quantified in lung tissue of COPD patients and healthy controls, and in mice with CS-induced COPD. RNA-sequencing of peripheral blood from COPD patients with binding site prediction was used to screen differentially expressed miRNAs that may interact with RAGE. Investigation of miR-23a-5p as a potential regulator of COPD progression was conducted with miR-23a-5p agomir in COPD mice in vivo using histology and SCIREQ functional assays, while miR-23a-5p mimics or RAGE inhibitor were applied in 16-HBE human bronchial epithelial cells in vitro. RNA-sequencing, ELISA, and standard molecular techniques were used to characterize downstream signaling pathways in COPD mice and 16-HBE cells treated with cigarette smoke extract (CSE). RESULTS RAGE expression is significantly increased in lung tissue of COPD patients, COPD model mice, and CSE-treated 16-HBE cells, while inhibiting RAGE expression significantly reduces COPD severity in mice. RNA-seq analysis of peripheral blood from COPD patients identified miR-23a-5p as the most significant candidate miRNA interaction partner of RAGE, and miR-23a-5p is significantly downregulated in mice and cells treated with CS or CSE, respectively. Injection of miR-23a-5p agomir leads to significantly reduced airway inflammation and alleviation of symptoms in COPD mice, while overexpressing miR-23a-5p leads to improved lung function. RNA-seq with validation confirmed that reactive oxygen species (ROS) signaling is increased under CSE-induced aberrant upregulation of RAGE, and suppressed in CSE-stimulated cells treated with miR-23a-5p mimics or overexpression. ERK phosphorylation and subsequent cytokine production was also increased under RAGE activation, but inhibited by increasing miR-23a-5p levels, implying that the miR-23a-5p/RAGE/ROS axis mediates COPD pathogenesis via ERK activation. CONCLUSIONS This study identifies a miR-23a-5p/RAGE/ROS signaling axis required for pathogenesis of COPD. MiR-23a-5p functions as a negative regulator of RAGE and downstream activation of ROS signaling, and can inhibit COPD progression in vitro and in vivo, suggesting therapeutic targets to improve COPD treatment.
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Affiliation(s)
- Chenli Chang
- China-Japan Friendship Hospital (Institute of Clinical Medical Sciences), Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
- Center of Respiratory Medicine, China-Japan Friendship Hospital, National Center for Respiratory Medicine, Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, National Clinical Research Center for Respiratory Diseases, State Key Laboratory of Respiratory Health and Multi Morbidity, No 2, East Yinghua Road, Chaoyang District, Beijing, 100029, China
| | - Ke Huang
- Center of Respiratory Medicine, China-Japan Friendship Hospital, National Center for Respiratory Medicine, Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, National Clinical Research Center for Respiratory Diseases, State Key Laboratory of Respiratory Health and Multi Morbidity, No 2, East Yinghua Road, Chaoyang District, Beijing, 100029, China
| | - Xia Xu
- Department of Immunology, School of Basic Medical Sciences, Capital Medical University, Beijing, China
| | - Ruirui Duan
- Center of Respiratory Medicine, China-Japan Friendship Hospital, National Center for Respiratory Medicine, Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, National Clinical Research Center for Respiratory Diseases, State Key Laboratory of Respiratory Health and Multi Morbidity, No 2, East Yinghua Road, Chaoyang District, Beijing, 100029, China
| | - Tao Yu
- China-Japan Friendship Hospital (Institute of Clinical Medical Sciences), Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
- Center of Respiratory Medicine, China-Japan Friendship Hospital, National Center for Respiratory Medicine, Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, National Clinical Research Center for Respiratory Diseases, State Key Laboratory of Respiratory Health and Multi Morbidity, No 2, East Yinghua Road, Chaoyang District, Beijing, 100029, China
| | - Xu Chu
- Center of Respiratory Medicine, China-Japan Friendship Hospital, National Center for Respiratory Medicine, Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, National Clinical Research Center for Respiratory Diseases, State Key Laboratory of Respiratory Health and Multi Morbidity, No 2, East Yinghua Road, Chaoyang District, Beijing, 100029, China
| | - Chen Chen
- Center of Respiratory Medicine, China-Japan Friendship Hospital, National Center for Respiratory Medicine, Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, National Clinical Research Center for Respiratory Diseases, State Key Laboratory of Respiratory Health and Multi Morbidity, No 2, East Yinghua Road, Chaoyang District, Beijing, 100029, China
| | - Baicun Li
- Center of Respiratory Medicine, China-Japan Friendship Hospital, National Center for Respiratory Medicine, Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, National Clinical Research Center for Respiratory Diseases, State Key Laboratory of Respiratory Health and Multi Morbidity, No 2, East Yinghua Road, Chaoyang District, Beijing, 100029, China.
| | - Ting Yang
- Center of Respiratory Medicine, China-Japan Friendship Hospital, National Center for Respiratory Medicine, Institute of Respiratory Medicine, Chinese Academy of Medical Sciences, National Clinical Research Center for Respiratory Diseases, State Key Laboratory of Respiratory Health and Multi Morbidity, No 2, East Yinghua Road, Chaoyang District, Beijing, 100029, China.
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Alzayadneh EM, Al Bdour SA, Elayeh ER, Ababneh MM, Al-ani RA, Shatanawi A, Al-Iede M, Al-Zayadneh E. Assessment of Fraction of Exhaled Nitric Oxide and Soluble Receptor for Advanced Glycation End Products Biomarkers for Jordanian Asthmatic Children. J Asthma Allergy 2023; 16:793-811. [PMID: 37559895 PMCID: PMC10408658 DOI: 10.2147/jaa.s415481] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 07/12/2023] [Indexed: 08/11/2023] Open
Abstract
PURPOSE Fraction of exhaled nitric oxide (FeNO) and soluble advanced glycation end-product receptor (sRAGE) are proposed as biomarkers of asthma, therefore we sought to assess their use in asthmatic children of Jordan. PATIENTS AND METHODS We conducted a case-control study at The University of Jordan Hospital. A total of 141 asthmatic children followed by respiratory pediatricians and 118 healthy children aged 4-18 years were recruited. FeNO was measured by NObreath device and serum sRAGE by ELISA that detect endogenously soluble isoform (esRAGE) and total soluble RAGE (sRAGE). RESULTS sRAGE in asthmatic was half of the control (p <0.001). In addition, ratio of esRAGE/sRAGE was two-fold higher in asthmatic (p = <0.001). Neither FeNO nor esRAGE levels were significantly different between groups. FeNO and asthma control test (ACT) score were negatively correlated corrected for age and body mass index (BMI), (r = -0.180, p= 0.034). For the uncontrolled asthma group, esRAGE/sRAGE negatively correlated with ACT score (r = -.329, p = 0.038). Receiver operating curve (ROC) analysis revealed significant predictive value (PV) for sRAGE and esRAGE/sRAGE in asthma detection with area under the curve (AUC) of (0.751 ± 0.031) and (0.711±.033), consequently. However, no biomarker had a significant PV for lack of control. CONCLUSION The current study supports utilizing sRAGE as a marker for asthma and present a potential therapeutic target. However, our results indicate that both FeNO and sRAGE have a limited role in the management of asthmatic children or assessment of asthma control.
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Affiliation(s)
- Ebaa M Alzayadneh
- Department of Physiology and Biochemistry, School of Medicine, The University of Jordan, Amman, Jordan
| | - Suzan A Al Bdour
- Department of Physiology and Biochemistry, School of Medicine, The University of Jordan, Amman, Jordan
| | - Eman R Elayeh
- Department of Biopharmaceutics and Clinical Pharmacy, School of Pharmacy, The University of Jordan, Amman, Jordan
| | - Mai M Ababneh
- Department of Pediatrics, School of Medicine, The University of Jordan, Amman, Jordan
| | - Ruqaya A Al-ani
- Department of Pediatrics, School of Medicine, The University of Jordan, Amman, Jordan
| | - Alia Shatanawi
- Department of Pharmacology, School of Medicine, The University of Jordan, Amman, Jordan
| | - Montaha Al-Iede
- Department of Pediatrics, School of Medicine, The University of Jordan, Amman, Jordan
| | - Enas Al-Zayadneh
- Department of Pediatrics, School of Medicine, The University of Jordan, Amman, Jordan
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Crue T, Lee GY, Peng JYC, Schaunaman N, Agraval H, Day BJ, Dimasuay KG, Cervantes D, Nouri H, Nichols T, Hartsoe P, Numata M, Petrache I, Chu HW. Single cell RNA-sequencing of human precision-cut lung slices: A novel approach to study the effect of vaping and viral infection on lung health. Innate Immun 2023; 29:61-70. [PMID: 37306239 PMCID: PMC10357887 DOI: 10.1177/17534259231181029] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2023] [Revised: 05/11/2023] [Accepted: 05/24/2023] [Indexed: 06/13/2023] Open
Abstract
Vaping is an increasing health threat in the US and worldwide. The damaging impact of vaping on the human distal lung has been highlighted by the recent epidemic of electronic cigarette or vaping use-associated lung injury (EVALI). The pathogenesis of EVALI remains incompletely understood, due to a paucity of models that recapitulate the structural and functional complexity of the human distal lung and the still poorly defined culprit exposures to vaping products and respiratory viral infections. Our aim was to establish the feasibility of using single cell RNA-sequencing (scRNA-seq) technology in human precision-cut lung slices (PCLS) as a more physiologically relevant model to better understand how vaping regulates the antiviral and pro-inflammatory response to influenza A virus infection. Normal healthy donor PCLS were treated with vaping extract and influenza A viruses for scRNA-seq analysis. Vaping extract augmented host antiviral and pro-inflammatory responses in structural cells such as lung epithelial cells and fibroblasts, as well as in immune cells such as macrophages and monocytes. Our findings suggest that human distal lung slice model is useful to study the heterogeneous responses of immune and structural cells under EVALI conditions, such as vaping and respiratory viral infection.
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Affiliation(s)
- Taylor Crue
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | | | | | | | - Hina Agraval
- Department of Medicine, National Jewish Health, Denver, CO, USA
| | - Brian J. Day
- Department of Medicine, National Jewish Health, Denver, CO, USA
| | | | - Diana Cervantes
- Department of Medicine, National Jewish Health, Denver, CO, USA
| | - Hamid Nouri
- Department of Medicine, National Jewish Health, Denver, CO, USA
| | - Taylor Nichols
- Department of Medicine, National Jewish Health, Denver, CO, USA
| | - Paige Hartsoe
- Department of Medicine, National Jewish Health, Denver, CO, USA
| | - Mari Numata
- Department of Medicine, National Jewish Health, Denver, CO, USA
| | - Irina Petrache
- Department of Medicine, National Jewish Health, Denver, CO, USA
| | - Hong Wei Chu
- Department of Medicine, National Jewish Health, Denver, CO, USA
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Lin L, Li J, Song Q, Cheng W, Chen P. The role of HMGB1/RAGE/TLR4 signaling pathways in cigarette smoke-induced inflammation in chronic obstructive pulmonary disease. Immun Inflamm Dis 2022; 10:e711. [PMID: 36301039 PMCID: PMC9552978 DOI: 10.1002/iid3.711] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2022] [Revised: 09/08/2022] [Accepted: 09/09/2022] [Indexed: 11/10/2022] Open
Abstract
Chronic obstructive pulmonary disease (COPD) is a common chronic respiratory disease with irreversible and continuous progression. It has become the fifth most burdensome disease and the third most deadly disease globally. Therefore, the prevention and treatment of COPD are urgent, and it is also important to clarify the pathogenesis of it. Smoking is the main and most common risk factor for COPD. Cigarette smoke (CS) can cause lung inflammation and other pathological mechanisms in the airways and lung tissue. Airway inflammation is one of the important mechanisms leading to the pathogenesis of COPD. Recent studies have shown that high mobility group box 1 (HMGB1) is involved in the occurrence and development of respiratory diseases, including COPD. HMGB1 is a typical damage-associated molecular pattern (DAMP) protein, which mainly exerts its activity by binding to the receptor for advanced glycation end products (RAGE) and toll-like receptor 4 (TLR4) and further participate in the process of airway inflammation. Studies have shown that the abnormal expression of HMGB1, RAGE, and TLR4 are related to inflammation in COPD. Herein, we discuss the roles of HMGB1, RAGE, and TLR4 in CS/cigarette smoke extract-induced inflammation in COPD, providing a new target for the diagnosis, treatment and prevention of COPD.
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Affiliation(s)
- Ling Lin
- Department of Respiratory and Critical Care Medicine, The Second Xiangya HospitalCentral South UniversityChangshaHunanChina,Diagnosis and Treatment Center of Respiratory DiseaseCentral South UniversityChangshaHunanChina
| | - Jing Li
- Department of Respiratory and Critical Care Medicine, The Second Xiangya HospitalCentral South UniversityChangshaHunanChina,Research Unit of Respiratory DiseaseCentral South UniversityChangshaHunanChina,Diagnosis and Treatment Center of Respiratory DiseaseCentral South UniversityChangshaHunanChina
| | - Qing Song
- Department of Respiratory and Critical Care Medicine, The Second Xiangya HospitalCentral South UniversityChangshaHunanChina,Research Unit of Respiratory DiseaseCentral South UniversityChangshaHunanChina,Diagnosis and Treatment Center of Respiratory DiseaseCentral South UniversityChangshaHunanChina
| | - Wei Cheng
- Department of Respiratory and Critical Care Medicine, The Second Xiangya HospitalCentral South UniversityChangshaHunanChina,Research Unit of Respiratory DiseaseCentral South UniversityChangshaHunanChina,Diagnosis and Treatment Center of Respiratory DiseaseCentral South UniversityChangshaHunanChina
| | - Ping Chen
- Department of Respiratory and Critical Care Medicine, The Second Xiangya HospitalCentral South UniversityChangshaHunanChina,Research Unit of Respiratory DiseaseCentral South UniversityChangshaHunanChina,Diagnosis and Treatment Center of Respiratory DiseaseCentral South UniversityChangshaHunanChina
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Chen L, Sun X, Zhong X. Role of RAGE and its ligand HMGB1 in the development of COPD. Postgrad Med 2022; 134:763-775. [PMID: 36094155 DOI: 10.1080/00325481.2022.2124087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/14/2022]
Abstract
Smoking is a well-established risk factor for chronic obstructive pulmonary disease (COPD). Chronic lung inflammation continues even after smoking cessation and leads to COPD progression. To date, anti-inflammatory therapies are ineffective in improving pulmonary function and COPD symptoms, and new molecular targets are urgently needed to deal with this challenge. The receptor for advanced glycation end-products (RAGE) was shown to be relevant in COPD pathogenesis, since it is both a genetic determinant of low lung function and a determinant of COPD susceptibility. Moreover, RAGE is involved in the physiological response to cigarette smoke exposure. Since innate and acquired immunity plays an essential role in the development of chronic inflammation and emphysema in COPD, here we summarized the roles of RAGE and its ligand HMGB1 in COPD immunity.
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Affiliation(s)
- Lin Chen
- Department of Respiratory and Critical Care Medicine, Liuzhou People's Hospital, LiuZhou, Guangxi, China
| | - Xuejiao Sun
- Department of Respiratory and Critical Care Medicine, Liuzhou People's Hospital, LiuZhou, Guangxi, China
| | - Xiaoning Zhong
- Department of Respiratory and Critical Care Medicine, The First Affiliated Hospital of Guangxi Medical University, Nanning, Guangxi, China
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Tsubokawa D, Satoh M. Strongyloides venezuelensis-derived venestatin ameliorates asthma pathogenesis by suppressing receptor for advanced glycation end-products-mediated signaling. Pulm Pharmacol Ther 2022; 75:102148. [PMID: 35863725 DOI: 10.1016/j.pupt.2022.102148] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 06/06/2022] [Accepted: 07/14/2022] [Indexed: 11/17/2022]
Abstract
INTRODUCTION EF-hand Ca2+-binding proteins such as S100 protein family members are recognized by the receptor for advanced glycation end-products (RAGE) and are involved in the pathogenesis of asthma/allergic airway inflammation (AAI). Venestatin, an EF-hand Ca2+-binding protein, which is secreted by the parasitic helminth Strongyloides venezuelensis, binds with RAGE and suppresses RAGE-mediated inflammatory responses after parasite invasion. In this study, we evaluated the effect of venestatin on pathogenesis in a house dust mite (HDM) murine model of asthma/AAI. METHODS Mice were intranasally treated with HDM, HDM with recombinant venestatin, or HDM with synthetic peptides, which were designed based on the EF-hand Ca2+-binding domain of venestatin. Pro-inflammatory responses in the lungs of mice were assessed. RESULTS HDM treatment induced inflammatory cell infiltration, phosphorylation of the mitogen-activated protein kinase and inhibitor κB, and production of the cytokines tumor necrosis factor-α and interleukin-5 in the lungs. Co-administration of recombinant venestatin with HDM suppressed these pro-inflammatory responses. Treatment with synthetic peptides reduced inflammatory cell infiltration in a RAGE-dependent manner. CONCLUSION The EF-hand domain of venestatin may have potential therapeutic benefits in asthma.
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Affiliation(s)
- Daigo Tsubokawa
- Department of Parasitology and Tropical Medicine, Kitasato University School of Medicine, 1-15-1 Kitasato, Minami, Sagamihara, Kanagawa, 252-0374, Japan.
| | - Masashi Satoh
- Department of Immunology, Kitasato University School of Medicine, 1-15-1 Kitasato, Minami, Sagamihara, Kanagawa, 252-0374, Japan
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Hirschi-Budge KM, Tsai KYF, Curtis KL, Davis GS, Theurer BK, Kruyer AMM, Homer KW, Chang A, Van Ry PM, Arroyo JA, Reynolds PR. RAGE signaling during tobacco smoke-induced lung inflammation and potential therapeutic utility of SAGEs. BMC Pulm Med 2022; 22:160. [PMID: 35473605 PMCID: PMC9044720 DOI: 10.1186/s12890-022-01935-x] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 04/04/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Smoke exposure culminates as a progressive lung complication involving airway inflammation and remodeling. While primary smoke poses the greatest risk, nearly half of the US population is also at risk due to exposure to secondhand smoke (SHS). METHODS We used WT, RAGE-/- (KO), and Tet-inducible lung-specific RAGE overexpressing transgenic (TG) mice to study the role of RAGE during short-term responses to SHS. We evaluated SHS effects in mice with and without semi-synthetic glycosaminoglycan ethers (SAGEs), which are anionic, partially lipophilic sulfated polysaccharide derivatives known to inhibit RAGE signaling. TG Mice were weaned and fed doxycycline to induce RAGE at postnatal day (PN) 30. At PN40, mice from each line were exposed to room air (RA) or SHS from three Kentucky 3R4F research cigarettes via a nose-only delivery system (Scireq Scientific, Montreal, Canada) five days a week and i.p. injections of PBS or SAGE (30 mg/kg body weight) occurred three times per week from PN40-70 before mice were sacrificed on PN70. RESULTS RAGE mRNA and protein expression was elevated following SHS exposure of control and TG mice and not detected in RAGE KO mice. Bronchoalveolar lavage fluid (BALF) analysis revealed RAGE-mediated influence on inflammatory cell diapedesis, total protein, and pro-inflammatory mediators following exposure. Lung histological assessment revealed indistinguishable morphology following exposure, yet parenchymal apoptosis was increased. Inflammatory signaling intermediates such as Ras and NF-κB, as well as downstream responses were influenced by the availability of RAGE, as evidenced by RAGE KO and SAGE treatment. CONCLUSIONS These data provide fascinating insight suggesting therapeutic potential for the use of RAGE inhibitors in lungs exposed to SHS smoke.
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Affiliation(s)
- Kelsey M Hirschi-Budge
- Lung and Placenta Laboratory, Department of Cell Biology and Physiology, Brigham Young University, Provo, UT, USA
| | - Kary Y F Tsai
- Lung and Placenta Laboratory, Department of Cell Biology and Physiology, Brigham Young University, Provo, UT, USA
| | - Katrina L Curtis
- Lung and Placenta Laboratory, Department of Cell Biology and Physiology, Brigham Young University, Provo, UT, USA
| | - Gregg S Davis
- Lung and Placenta Laboratory, Department of Cell Biology and Physiology, Brigham Young University, Provo, UT, USA
| | - Benjamin K Theurer
- Lung and Placenta Laboratory, Department of Cell Biology and Physiology, Brigham Young University, Provo, UT, USA
| | - Anica M M Kruyer
- Lung and Placenta Laboratory, Department of Cell Biology and Physiology, Brigham Young University, Provo, UT, USA
| | - Kyle W Homer
- Lung and Placenta Laboratory, Department of Cell Biology and Physiology, Brigham Young University, Provo, UT, USA
| | - Ashley Chang
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT, USA
| | - Pam M Van Ry
- Department of Chemistry and Biochemistry, Brigham Young University, Provo, UT, USA
| | - Juan A Arroyo
- Lung and Placenta Laboratory, Department of Cell Biology and Physiology, Brigham Young University, Provo, UT, USA
| | - Paul R Reynolds
- Lung and Placenta Laboratory, Department of Cell Biology and Physiology, Brigham Young University, Provo, UT, USA.
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Peng X, Huang M, Zhao W, Lan Z, Wang X, Yuan Y, Li B, Yu C, Liu L, Dong H, Cai S, Zhao H. RAGE mediates airway inflammation via the HDAC1 pathway in a toluene diisocyanate-induced murine asthma model. BMC Pulm Med 2022; 22:61. [PMID: 35148729 PMCID: PMC8832863 DOI: 10.1186/s12890-022-01832-3] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2021] [Accepted: 01/10/2022] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Exposure to toluene diisocyanate (TDI) is a significant pathogenic factor for asthma. We previously reported that the receptor for advanced glycation end products (RAGE) plays a key role in TDI-induced asthma. Histone deacetylase (HDAC) has been reported to be important in asthmatic pathogenesis. However, its effect on TDI-induced asthma is not known. The aim of this study was to determine the role of RAGE and HDAC in regulating airway inflammation using a TDI-induced murine asthma model. METHODS BALB/c mice were sensitized and challenged with TDI to establish an asthma model. FPS-ZM1 (RAGE inhibitor), JNJ-26482585 and romidepsin (HDAC inhibitors) were administered intraperitoneally before each challenge. In vitro, the human bronchial epithelial cell line 16HBE was stimulated with TDI-human serum albumin (TDI-HSA). RAGE knockdown cells were constructed and evaluated, and MK2006 (AKT inhibitor) was also used in the experiments. RESULTS In TDI-induced asthmatic mice, the expression of RAGE, HDAC1, and p-AKT/t-AKT was upregulated, and these expressions were attenuated by FPS-ZM1. Airway reactivity, Th2 cytokine levels in lymph supernatant, IgE, airway inflammation, and goblet cell metaplasia were significantly increased in the TDI-induced asthmatic mice. These increases were suppressed by JNJ-26482585 and romidepsin. In addition, JNJ-26482585 and romidepsin ameliorated the redistribution of E-cadherin and β-catenin in TDI-induced asthma. In TDI-HSA-stimulated 16HBE cells, knockdown of RAGE attenuated the upregulation of HDAC1 and phospho-AKT (p-AKT). Treatment with the AKT inhibitor MK2006 suppressed TDI-induced HDAC1 expression. CONCLUSIONS These findings indicate that RAGE modulates HDAC1 expression via the PI3K/AKT pathway, and that inhibition of HDAC prevents TDI-induced airway inflammation.
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Affiliation(s)
- Xianru Peng
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Minyu Huang
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Wenqu Zhao
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Zihan Lan
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Xiaohua Wang
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Yafei Yuan
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Bohou Li
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Changhui Yu
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Laiyu Liu
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Hangming Dong
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China
| | - Shaoxi Cai
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China.
| | - Haijin Zhao
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, 510515, China.
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Medeiros ML, Oliveira AL, de Oliveira MG, Mónica FZ, Antunes E. Methylglyoxal Exacerbates Lipopolysaccharide-Induced Acute Lung Injury via RAGE-Induced ROS Generation: Protective Effects of Metformin. J Inflamm Res 2021; 14:6477-6489. [PMID: 34880648 PMCID: PMC8648108 DOI: 10.2147/jir.s337115] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/01/2021] [Accepted: 11/15/2021] [Indexed: 01/11/2023] Open
Abstract
Purpose Methylglyoxal (MGO) is a highly reactive dicarbonyl species implicated in diabetic-associated diseases. Acute lung injury (ALI) symptoms and prognosis are worsened by diabetes and obesity. Here, we hypothesized that elevated MGO levels aggravate ALI, which can be prevented by metformin. Therefore, this study evaluated the lung inflammation in lipopolysaccharide (LPS)-exposed mice pretreated with MGO. Methods C57Bl/6 male mice treated or not with MGO for 12 weeks were intranasally instilled with LPS (30 µg) to induce ALI, and metformin (300 mg/kg) was given as gavage in the last two weeks of treatment. After 6 h, bronchoalveolar lavage fluid (BALF) and lung tissues were collected to quantify the cell infiltration, cytokine levels, reactive-oxygen species (ROS) production, and RAGE expression. Results LPS exposure markedly increased the neutrophil infiltration in BALF and lung tissue, which was accompanied by higher levels of IFN-γ, TNF-α and IL-1β compared with untreated group. MGO treatment significantly increased the airways neutrophil infiltration and mRNA expressions of TNF-α and IL-1β, whereas COX-2 expression remained unchanged. In lung tissues of LPS-exposed mice, MGO treatment significantly increased the immunostaining and mRNA expression of RAGE, and the ROS levels. Serum MGO concentration achieved after 12-week intake was 9.2-fold higher than control mice, which was normalized by metformin treatment. Metformin also reduced the inflammatory markers in response to MGO. Conclusion MGO intake potentiates the LPS-induced ALI, increases RAGE expression and ROS generation, which is normalized by metformin. MGO scavengers may be a good adjuvant therapy to reduce ALI in patients with cardiometabolic diseases.
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Affiliation(s)
- Matheus L Medeiros
- Department of Pharmacology, University of Campinas (UNICAMP), Campinas, Sao Paulo, Brazil
| | - Akila L Oliveira
- Department of Pharmacology, University of Campinas (UNICAMP), Campinas, Sao Paulo, Brazil
| | - Mariana G de Oliveira
- Department of Pharmacology, University of Campinas (UNICAMP), Campinas, Sao Paulo, Brazil
| | - Fabíola Z Mónica
- Department of Pharmacology, University of Campinas (UNICAMP), Campinas, Sao Paulo, Brazil
| | - Edson Antunes
- Department of Pharmacology, University of Campinas (UNICAMP), Campinas, Sao Paulo, Brazil
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Nucera F, Lo Bello F, Shen SS, Ruggeri P, Coppolino I, Di Stefano A, Stellato C, Casolaro V, Hansbro PM, Adcock IM, Caramori G. Role of Atypical Chemokines and Chemokine Receptors Pathways in the Pathogenesis of COPD. Curr Med Chem 2021; 28:2577-2653. [PMID: 32819230 DOI: 10.2174/0929867327999200819145327] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 06/11/2020] [Accepted: 06/18/2020] [Indexed: 11/22/2022]
Abstract
Chronic obstructive pulmonary disease (COPD) represents a heightened inflammatory response in the lung generally resulting from tobacco smoking-induced recruitment and activation of inflammatory cells and/or activation of lower airway structural cells. Several mediators can modulate activation and recruitment of these cells, particularly those belonging to the chemokines (conventional and atypical) family. There is emerging evidence for complex roles of atypical chemokines and their receptors (such as high mobility group box 1 (HMGB1), antimicrobial peptides, receptor for advanced glycosylation end products (RAGE) or toll-like receptors (TLRs)) in the pathogenesis of COPD, both in the stable disease and during exacerbations. Modulators of these pathways represent potential novel therapies for COPD and many are now in preclinical development. Inhibition of only a single atypical chemokine or receptor may not block inflammatory processes because there is redundancy in this network. However, there are many animal studies that encourage studies for modulating the atypical chemokine network in COPD. Thus, few pharmaceutical companies maintain a significant interest in developing agents that target these molecules as potential antiinflammatory drugs. Antibody-based (biological) and small molecule drug (SMD)-based therapies targeting atypical chemokines and/or their receptors are mostly at the preclinical stage and their progression to clinical trials is eagerly awaited. These agents will most likely enhance our knowledge about the role of atypical chemokines in COPD pathophysiology and thereby improve COPD management.
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Affiliation(s)
- Francesco Nucera
- Department of Biomedical, Dental, Morphological and Functional Imaging Sciences (BIOMORF), University of Messina, Pugliatti Square 1, 98122 Messina, Italy
| | - Federica Lo Bello
- Department of Biomedical, Dental, Morphological and Functional Imaging Sciences (BIOMORF), University of Messina, Pugliatti Square 1, 98122 Messina, Italy
| | - Sj S Shen
- Faculty of Science, Centre for Inflammation, Centenary Institute, University of Technology, Ultimo, Sydney, Australia
| | - Paolo Ruggeri
- Department of Biomedical, Dental, Morphological and Functional Imaging Sciences (BIOMORF), University of Messina, Pugliatti Square 1, 98122 Messina, Italy
| | - Irene Coppolino
- Department of Biomedical, Dental, Morphological and Functional Imaging Sciences (BIOMORF), University of Messina, Pugliatti Square 1, 98122 Messina, Italy
| | - Antonino Di Stefano
- Division of Pneumology, Cyto- Immunopathology Laboratory of the Cardio-Respiratory System, Clinical Scientific Institutes Maugeri IRCCS, Veruno, Italy
| | - Cristiana Stellato
- Department of Medicine, Surgery and Dentistry, Salerno Medical School, University of Salerno, Salerno, Italy
| | - Vincenzo Casolaro
- Department of Medicine, Surgery and Dentistry, Salerno Medical School, University of Salerno, Salerno, Italy
| | - Phil M Hansbro
- Faculty of Science, Centre for Inflammation, Centenary Institute, University of Technology, Ultimo, Sydney, Australia
| | - Ian M Adcock
- Airway Disease Section, National Heart and Lung Institute, Imperial College, London, United Kingdom
| | - Gaetano Caramori
- Department of Biomedical, Dental, Morphological and Functional Imaging Sciences (BIOMORF), University of Messina, Pugliatti Square 1, 98122 Messina, Italy
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11
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Serban KA, Pratte KA, Bowler RP. Protein Biomarkers for COPD Outcomes. Chest 2021; 159:2244-2253. [PMID: 33434499 PMCID: PMC8213963 DOI: 10.1016/j.chest.2021.01.004] [Citation(s) in RCA: 28] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/12/2020] [Revised: 12/14/2020] [Accepted: 01/01/2021] [Indexed: 12/15/2022] Open
Abstract
COPD is a clinically heterogeneous syndrome characterized by injury to airways, airspaces, and lung vasculature and usually caused by tobacco smoke and/or air pollution exposure. COPD is also independently associated with nonpulmonary comorbidities (eg, cardiovascular disease) and malignancies (eg, GI, bladder), suggesting a role for systemic injury. Since not all those with exposure develop COPD, there has been a search for plasma and lung biomarkers that confer increased cross-sectional and longitudinal risk. This search typically focuses on clinically relevant COPD outcomes such as FEV1, FEV1 decline, CT measurements of emphysema, or exacerbation frequency. The rapid advances in omics technology and the molecular phenotyping of COPD cohorts now permit large-scale evaluation of genetic, transcriptomic, proteomic, and metabolic biomarkers. This review focuses on protein biomarkers associated with clinically relevant COPD outcomes. The prototypic COPD protein biomarker is alpha-1 antitrypsin; however, this biomarker only accounts for 1% to 5% of COPD. This article reviews and summarizes the evidence for other validated biomarkers for each COPD outcome, and discusses their advantages, weaknesses, and required regulatory steps to move the biomarker from the bench into clinic. Although we highlight the emergence of many novel biomarkers (eg, fibrinogen, soluble receptor for advanced glycation, surfactant protein D, club cell secretory protein), there is increasing evidence that individual biomarkers only explain a fraction of the increased COPD risk and that multiple biomarker panels are needed to completely explain clinical variation and risk in individuals and populations.
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Affiliation(s)
- Karina A Serban
- National Jewish Health, Denver; University of Colorado, Anschutz Medical Campus, Aurora, CO.
| | | | - Russell P Bowler
- National Jewish Health, Denver; University of Colorado, Anschutz Medical Campus, Aurora, CO
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12
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Perkins TN, Donnell ML, Oury TD. The axis of the receptor for advanced glycation endproducts in asthma and allergic airway disease. Allergy 2021; 76:1350-1366. [PMID: 32976640 DOI: 10.1111/all.14600] [Citation(s) in RCA: 21] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2020] [Revised: 08/31/2020] [Accepted: 09/14/2020] [Indexed: 12/11/2022]
Abstract
Asthma is a generalized term that describes a scope of distinct pathologic phenotypes of variable severity, which share a common complication of reversible airflow obstruction. Asthma is estimated to affect almost 400 million people worldwide, and nearly ten percent of asthmatics have what is considered "severe" disease. The majority of moderate to severe asthmatics present with a "type 2-high" (T2-hi) phenotypic signature, which pathologically is driven by the type 2 cytokines Interleukin-(IL)-4, IL-5, and IL-13. However, "type 2-low" (T2-lo) phenotypic signatures are often associated with more severe, steroid-refractory neutrophilic asthma. A wide range of clinical and experimental studies have found that the receptor for advanced glycation endproducts (RAGE) plays a significant role in the pathogenesis of asthma and allergic airway disease (AAD). Current experimental data indicates that RAGE is a critical mediator of the type 2 inflammatory reactions which drive the development of T2-hi AAD. However, clinical studies demonstrate that increased RAGE ligands and signaling strongly correlate with asthma severity, especially in severe neutrophilic asthma. This review presents an overview of the current understandings of RAGE in asthma pathogenesis, its role as a biomarker of disease, and future implications for mechanistic studies, and potential therapeutic intervention strategies.
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Affiliation(s)
- Timothy N. Perkins
- Department of Pathology University of Pittsburgh School of Medicine Pittsburgh PA USA
| | - Mason L. Donnell
- Department of Pathology University of Pittsburgh School of Medicine Pittsburgh PA USA
| | - Tim D. Oury
- Department of Pathology University of Pittsburgh School of Medicine Pittsburgh PA USA
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13
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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: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [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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14
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Allam VSRR, Faiz A, Lam M, Rathnayake SNH, Ditz B, Pouwels SD, Brandsma C, Timens W, Hiemstra PS, Tew GW, Neighbors M, Grimbaldeston M, van den Berge M, Donnelly S, Phipps S, Bourke JE, Sukkar MB. RAGE and TLR4 differentially regulate airway hyperresponsiveness: Implications for COPD. Allergy 2021; 76:1123-1135. [PMID: 32799375 DOI: 10.1111/all.14563] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2020] [Revised: 07/08/2020] [Accepted: 07/14/2020] [Indexed: 12/20/2022]
Abstract
BACKGROUND The receptor for advanced glycation end products (RAGE) and Toll-like receptor 4 (TLR4) is implicated in COPD. Although these receptors share common ligands and signalling pathways, it is not known whether they act in concert to drive pathological processes in COPD. We examined the impact of RAGE and/or TLR4 gene deficiency in a mouse model of COPD and also determined whether expression of these receptors correlates with airway neutrophilia and airway hyperresponsiveness (AHR) in COPD patients. METHODS We measured airway inflammation and AHR in wild-type, RAGE-/- , TLR4-/- and TLR4-/- RAGE-/- mice following acute exposure to cigarette smoke (CS). We also examined the impact of smoking status on AGER (encodes RAGE) and TLR4 bronchial gene expression in patients with and without COPD. Finally, we determined whether expression of these receptors correlates with airway neutrophilia and AHR in COPD patients. RESULTS RAGE-/- mice were protected against CS-induced neutrophilia and AHR. In contrast, TLR4-/- mice were not protected against CS-induced neutrophilia and had more severe CS-induced AHR. TLR4-/- RAGE-/- mice were not protected against CS-induced neutrophilia but were partially protected against CS-induced mediator release and AHR. Current smoking was associated with significantly lower AGER and TLR4 expression irrespective of COPD status, possibly reflecting negative feedback regulation. However, consistent with preclinical findings, AGER expression correlated with higher sputum neutrophil counts and more severe AHR in COPD patients. TLR4 expression did not correlate with neutrophilic inflammation or AHR. CONCLUSIONS Inhibition of RAGE but not TLR4 signalling may protect against airway neutrophilia and AHR in COPD.
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Affiliation(s)
| | - Alen Faiz
- School of Life Sciences Faculty of Science The University of Technology Sydney Ultimo NSW Australia
- Department of Pulmonary Diseases University of Groningen University Medical Center Groningen Groningen The Netherlands
- Department of Pathology and Medical Biology University of Groningen University Medical Center Groningen Groningen The Netherlands
| | - Maggie Lam
- Biomedicine Discovery Institute and Department of Pharmacology School of Biomedical Sciences Monash University Melbourne Vic. Australia
| | - Senani N. H. Rathnayake
- School of Life Sciences Faculty of Science The University of Technology Sydney Ultimo NSW Australia
| | - Benedikt Ditz
- Department of Pulmonary Diseases University of Groningen University Medical Center Groningen Groningen The Netherlands
| | - Simon D. Pouwels
- Department of Pulmonary Diseases University of Groningen University Medical Center Groningen Groningen The Netherlands
- Department of Pathology and Medical Biology University of Groningen University Medical Center Groningen Groningen The Netherlands
| | - Corry‐Anke Brandsma
- Department of Pathology and Medical Biology University of Groningen University Medical Center Groningen Groningen The Netherlands
- Groningen Research Institute for Asthma and COPD University of Groningen University Medical Center Groningen Groningen The Netherlands
| | - Wim Timens
- Department of Pathology and Medical Biology University of Groningen University Medical Center Groningen Groningen The Netherlands
- Groningen Research Institute for Asthma and COPD University of Groningen University Medical Center Groningen Groningen The Netherlands
| | - Pieter S. Hiemstra
- Department of Pulmonology Leiden University Medical Center Leiden The Netherlands
| | - Gaik W. Tew
- OMNI‐Biomarker Development, Genentech Inc South San Francisco CA USA
| | | | | | - Maarten van den Berge
- Department of Pulmonary Diseases University of Groningen University Medical Center Groningen Groningen The Netherlands
| | - Sheila Donnelly
- School of Life Sciences Faculty of Science The University of Technology Sydney Ultimo NSW Australia
| | - Simon Phipps
- QIMR Berghofer Medical Research Institute Herston Qld Australia
| | - Jane E. Bourke
- Biomedicine Discovery Institute and Department of Pharmacology School of Biomedical Sciences Monash University Melbourne Vic. Australia
| | - Maria B. Sukkar
- Graduate School of Health Faculty of Health The University of Technology Sydney Ultimo NSW Australia
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15
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Sharma A, Kaur S, Sarkar M, Sarin BC, Changotra H. The AGE-RAGE Axis and RAGE Genetics in Chronic Obstructive Pulmonary Disease. Clin Rev Allergy Immunol 2020; 60:244-258. [PMID: 33170477 DOI: 10.1007/s12016-020-08815-4] [Citation(s) in RCA: 26] [Impact Index Per Article: 6.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/26/2020] [Indexed: 12/25/2022]
Abstract
Chronic obstructive pulmonary disease (COPD) is a heterogeneous group of lung diseases limiting the airflow due to narrowing of airways, chronic bronchitis and emphysema that leads to difficulties in breathing. Chronic inflammation is another important characteristic of COPD which leads to immune cell infiltration and helps in the alveolar destruction. Pathology of COPD is driven by various environmental and genetic factors. COPD is mainly associated with the inhalation of toxic agents mainly the cigarette smoke. Receptor for advanced glycation end products (RAGE) has emerged as a pattern recognition receptor and is a multiligand receptor expressed moderately in various cells, tissues and highly in the lungs throughout life. RAGE recognizes various ligands produced by cigarette smoke and its role has been implicated in the pathogenesis of COPD. RAGE ligands have been reported to accumulate in the lungs of patients with COPD. RAGE is a membrane receptor but its truncated form i.e. soluble RAGE (sRAGE) mainly functions as a contender of RAGE and inhibits various RAGE dependent cell signalling. Among the various ligands of RAGE, advanced glycation end products (AGEs) are majorly linked with COPD. Accumulated AGE triggers downstream RAGE-AGE axis in COPD. Moreover, RAGE genetics has long been known to play a vital role in the pathology of various airway diseases including COPD and this gene contains an associated locus. A reliable biomarker is needed for the management of this disease. sRAGE has an inverse correlation with the RAGE showed its importance as a valuable marker in COPD. This review is focused on the role of RAGE, sRAGE, RAGE axis and RAGE genetics in COPD.
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Affiliation(s)
- Ambika Sharma
- Department of Biotechnology and Bioinformatics, Jaypee University of Information Technology, Waknaghat, Solan, Himachal Pradesh, 173 234, India
| | - Sargeet Kaur
- Department of Biotechnology and Bioinformatics, Jaypee University of Information Technology, Waknaghat, Solan, Himachal Pradesh, 173 234, India
| | - Malay Sarkar
- Department of Pulmonary Medicine, Indira Gandhi Medical College, Shimla, Himachal Pradesh, 171 001, India
| | - B C Sarin
- Department of Chest and TB, Sri Guru Ram Das Institute of Medical Sciences and Research, Vallah, Amritsar, 143 501, India
| | - Harish Changotra
- Department of Biotechnology and Bioinformatics, Jaypee University of Information Technology, Waknaghat, Solan, Himachal Pradesh, 173 234, India.
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16
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Korça E, Piskovatska V, Börgermann J, Navarrete Santos A, Simm A. Circulating antibodies against age-modified proteins in patients with coronary atherosclerosis. Sci Rep 2020; 10:17105. [PMID: 33051525 PMCID: PMC7553914 DOI: 10.1038/s41598-020-73877-5] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Accepted: 09/21/2020] [Indexed: 12/28/2022] Open
Abstract
Advanced glycation endproducts (AGEs) are formed in a series of non-enzymatic reactions between reducing sugars and the amino groups of proteins and accumulate during aging, diabetes mellitus, chronic kidney disease and other chronic diseases. Accumulation of AGE-modifications alters protein structure and function, transforming these molecules into potential targets of the immune system, presumably triggering the production of autoantibodies against AGEs. In this study, we detected autoantibodies against AGE-modified proteins with ELISA in plasma samples of 91 patients with documented coronary artery disease (CAD), who underwent coronary artery bypass grafting (CABG) surgery. Patients with high levels of autoantibodies had a higher body mass index (BMI 28.6 vs 27.1 kg/m2; p = 0.046), were more likely to suffer from chronic obstructive pulmonary disease (COPD 30% vs 9.8%; p = 0.018), and more likely to need dialysis after the surgery (10% vs 0%; p = 0.037). Our findings show a weak link between the levels of autoantibodies against AGEs and diabetes mellitus (DM 44% vs 24.4%; p = 0.05). In a small subpopulation of patients, antibodies against native bovine serum albumin (BSA) were detected. A growing body of research explores the potential role of antibodies against AGE-modified proteins in pathogenesis of different chronic diseases; our data confirms the presence of AGE-autoantibodies in patients with CAD and that in parallel to the AGEs themselves, they may have a potential role in concomitant clinical conditions in patients undergoing CABG surgery. Further research is necessary to verify the molecular role of these antibodies in different pathological conditions.
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Affiliation(s)
- Edina Korça
- Department of Cardiothoracic Surgery, University Hospital Halle (Saale), Martin-Luther University Halle-Wittenberg, Halle, Germany
| | - Veronika Piskovatska
- Department of Cardiothoracic Surgery, University Hospital Halle (Saale), Martin-Luther University Halle-Wittenberg, Halle, Germany
| | - Jochen Börgermann
- Department of Cardiothoracic Surgery, University Hospital Halle (Saale), Martin-Luther University Halle-Wittenberg, Halle, Germany.,Herzzentrum Duisburg, Duisburg, Germany
| | | | - Andreas Simm
- Department of Cardiothoracic Surgery, University Hospital Halle (Saale), Martin-Luther University Halle-Wittenberg, Halle, Germany. .,Center for Medical Basic Research, Martin-Luther University Halle-Wittenberg, Halle, Germany. .,Klinik für Herzchirurgie, Mitteldeutsches Herzzentrum, Ernst-Grube-Str. 40, 06120, Halle (Saale), Germany.
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17
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DeChristopher LR, Tucker KL. Excess free fructose, apple juice, high fructose corn syrup and childhood asthma risk - the National Children's Study. Nutr J 2020; 19:60. [PMID: 32576181 PMCID: PMC7313206 DOI: 10.1186/s12937-020-00578-0] [Citation(s) in RCA: 19] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2020] [Accepted: 06/16/2020] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Recent research provides consistent evidence that the unexplained doubling of childhood asthma prevalence (1980-1995), its continued climb and 2013 plateau, may be associated with the proliferation of high-fructose-corn-syrup (HFCS) in the US food supply. The HFCS used in soft drinks has been shown to contain a higher fructose-to-glucose ratio than previously thought. This coincides with a preference shift from orange to apple juice among young children. Apple juice naturally contains a high (≥2:1) fructose-to-glucose ratio. Thus, children have received high excess-free-fructose doses, the fructose type associated with fructose malabsorption. Unabsorbed excess-free-fructose in the gut may react with dietary proteins to form immunogens that bind asthma mediating receptors, and/or alter the microbiota towards a profile linked to lung disorders. Studies with longitudinal childhood data are lacking. Therefore, we tested the hypothesis that excess-free-fructose intake is associated with childhood asthma risk. METHODS Cox regression models were used to analyze prospective early childhood data (12-30 months of age) from the National Children's Study. Intake frequencies for soda/sports/fruit drinks, and 100% juices were used for analyses. RESULTS Greater consumption of 100% juice, soda/sports/fruit drinks, and any combination, was associated with ~two (P = 0.001), ~ 2.5 (P = 0.001), and ~ 3.5 times (P < 0.0001) higher asthma incidence. CONCLUSIONS Given these results, prior research and case-study evidence, it is reasonable to suggest that the two-fold higher asthma risk associated with 100% juice consumption is due to apple juice's high fructose-to-glucose ratio, and that the ~ 2.5/~ 3.5 times higher risk associated with soda/sports/fruit drinks intake is with the excess-free-fructose in HFCS.
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Affiliation(s)
- Luanne R. DeChristopher
- Independent Researcher, M.Sc. Biochemistry, Molecular Biology, NY Medical College, Valhalla, NY USA
| | - Katherine L. Tucker
- Department of Biomedical and Nutritional Sciences, University of Massachusetts Lowell, Lowell, MA USA
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18
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Synergistic Effect of WTC-Particulate Matter and Lysophosphatidic Acid Exposure and the Role of RAGE: In-Vitro and Translational Assessment. INTERNATIONAL JOURNAL OF ENVIRONMENTAL RESEARCH AND PUBLIC HEALTH 2020; 17:ijerph17124318. [PMID: 32560330 PMCID: PMC7344461 DOI: 10.3390/ijerph17124318] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/23/2020] [Revised: 06/10/2020] [Accepted: 06/11/2020] [Indexed: 02/07/2023]
Abstract
World Trade Center particulate matter (WTC-PM)-exposed firefighters with metabolic syndrome (MetSyn) have a higher risk of WTC lung injury (WTC-LI). Since macrophages are crucial innate pulmonary mediators, we investigated WTC-PM/lysophosphatidic acid (LPA) co-exposure in macrophages. LPA, a low-density lipoprotein metabolite, is a ligand of the advanced glycation end-products receptor (AGER or RAGE). LPA and RAGE are biomarkers of WTC-LI. Human and murine macrophages were exposed to WTC-PM, and/or LPA, and compared to controls. Supernatants were assessed for cytokines/chemokines; cell lysate immunoblots were assessed for signaling intermediates after 24 h. To explore the translatability of our in-vitro findings, we assessed serum cytokines/chemokines and metabolites of symptomatic, never-smoking WTC-exposed firefighters. Agglomerative hierarchical clustering identified phenotypes of WTC-PM-induced inflammation. WTC-PM induced GM-CSF, IL-8, IL-10, and MCP-1 in THP-1-derived macrophages and induced IL-1α, IL-10, TNF-α, and NF-κB in RAW264.7 murine macrophage-like cells. Co-exposure induced synergistic elaboration of IL-10 and MCP-1 in THP-1-derived macrophages. Similarly, co-exposure synergistically induced IL-10 in murine macrophages. Synergistic effects were seen in the context of a downregulation of NF-κB, p-Akt, -STAT3, and -STAT5b. RAGE expression after co-exposure increased in murine macrophages compared to controls. In our integrated analysis, the human cytokine/chemokine biomarker profile of WTC-LI was associated with discriminatory metabolites (fatty acids, sphingolipids, and amino acids). LPA synergistically elaborated WTC-PM’s inflammatory effects in vitro and was partly RAGE-mediated. Further research will focus on the intersection of MetSyn/PM exposure.
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19
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Kosutova P, Mikolka P, Balentova S, Adamkov M, Calkovska A, Mokra D. Effects of PDE3 Inhibitor Olprinone on the Respiratory Parameters, Inflammation, and Apoptosis in an Experimental Model of Acute Respiratory Distress Syndrome. Int J Mol Sci 2020; 21:E3382. [PMID: 32403267 PMCID: PMC7247002 DOI: 10.3390/ijms21093382] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2020] [Revised: 05/03/2020] [Accepted: 05/06/2020] [Indexed: 12/12/2022] Open
Abstract
This study aimed to investigate whether a selective phosphodiesterase-3 (PDE3) inhibitor olprinone can positively influence the inflammation, apoptosis, and respiratory parameters in animals with acute respiratory distress syndrome (ARDS) model induced by repetitive saline lung lavage. Adult rabbits were divided into 3 groups: ARDS without therapy (ARDS), ARDS treated with olprinone i.v. (1 mg/kg; ARDS/PDE3), and healthy ventilated controls (Control), and were oxygen-ventilated for the following 4 h. Dynamic lung-thorax compliance (Cdyn), mean airway pressure (MAP), arterial oxygen saturation (SaO2), alveolar-arterial gradient (AAG), ratio between partial pressure of oxygen in arterial blood to a fraction of inspired oxygen (PaO2/FiO2), oxygenation index (OI), and ventilation efficiency index (VEI) were evaluated every hour. Post mortem, inflammatory and oxidative markers (interleukin (IL)-6, IL-1β, a receptor for advanced glycation end products (RAGE), IL-10, total antioxidant capacity (TAC), 3-nitrotyrosine (3NT), and malondialdehyde (MDA) and apoptosis (apoptotic index and caspase-3) were assessed in the lung tissue. Treatment with olprinone reduced the release of inflammatory mediators and markers of oxidative damage decreased apoptosis of epithelial cells and improved respiratory parameters. The results indicate a future potential of PDE3 inhibitors also in the therapy of ARDS.
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Affiliation(s)
- Petra Kosutova
- Biomedical Center Martin and Department of Physiology, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin 036 01, Slovakia; (P.K.); (P.M.); (A.C.)
| | - Pavol Mikolka
- Biomedical Center Martin and Department of Physiology, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin 036 01, Slovakia; (P.K.); (P.M.); (A.C.)
| | - Sona Balentova
- Department of Histology and Embryology, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin 036 01, Slovakia; (S.B.); (M.A.)
| | - Marian Adamkov
- Department of Histology and Embryology, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin 036 01, Slovakia; (S.B.); (M.A.)
| | - Andrea Calkovska
- Biomedical Center Martin and Department of Physiology, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin 036 01, Slovakia; (P.K.); (P.M.); (A.C.)
| | - Daniela Mokra
- Biomedical Center Martin and Department of Physiology, Jessenius Faculty of Medicine in Martin, Comenius University in Bratislava, Martin 036 01, Slovakia; (P.K.); (P.M.); (A.C.)
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20
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Medeiros ML, de Oliveira MG, Tavares EG, Mello GC, Anhê GF, Mónica FZ, Antunes E. Long-term methylglyoxal intake aggravates murine Th2-mediated airway eosinophil infiltration. Int Immunopharmacol 2020; 81:106254. [PMID: 32007798 DOI: 10.1016/j.intimp.2020.106254] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2019] [Revised: 01/20/2020] [Accepted: 01/24/2020] [Indexed: 01/02/2023]
Abstract
Asthma outcomes is aggravated in obese patients. Excess of methylglyoxal (MGO) in obese/diabetic patients has been associated with diverse detrimental effects on cell function. This study aimed to evaluate the effects of long-term oral intake of MGO on ovalbumin-induced eosinophil inflammation. Male C57/Bl6 mice received 0.5% MGO in the drinking water for 12 weeks. Mice were sensitized and challenged with ovalbumin (OVA), and at 48 h thereafter, bronchoalveolar lavage (BAL) fluid and lungs were collected for cell counting, morphological analysis, and ELISA, mRNA expressions and DHE assays. In MGO-treated mice, OVA challenge significantly increased the peribronchiolar infiltrations of inflammatory cells and eosinophils compared with control group. Higher levels of IL-4, IL-5, and eotaxin in BAL fluid were also detected in MGO compared with control group. In addition, lung tissue of MGO-treated mice displayed significant increases in mRNA expressions of NF-κB and iNOS whereas COX-2 expression remained unchanged. The high TNF-α mRNA expression observed in lungs of OVA-challenged control mice was not further increased by MGO treatment. In MGO group, OVA-challenge increased significantly the NOX-2 and NOX-4 mRNA expressions, without affecting the NOX-1 expression. Levels of reactive-oxygen species (ROS) were significantly higher in lungs of MGO-treated mice, and no further increase by OVA-challenge was observed. In conclusion, 12-week intake of MGO exacerbates Th2-mediated airway eosinophil infiltration by activation of NF-kB/iNOS-dependent signaling pathway and positive regulation of NOX-2 and NOX-4 in the lung tissues. Scavengers of MGO could be an option to prevent obesity-related asthma.
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Affiliation(s)
- Matheus L Medeiros
- Department of Pharmacology, University of Campinas (UNICAMP), Campinas, Sao Paulo, Brazil
| | - Mariana G de Oliveira
- Department of Pharmacology, University of Campinas (UNICAMP), Campinas, Sao Paulo, Brazil
| | - Edith G Tavares
- Department of Pharmacology, University of Campinas (UNICAMP), Campinas, Sao Paulo, Brazil
| | - Glaucia C Mello
- Department of Pharmacology, University of Campinas (UNICAMP), Campinas, Sao Paulo, Brazil
| | - Gabriel F Anhê
- Department of Pharmacology, University of Campinas (UNICAMP), Campinas, Sao Paulo, Brazil
| | - Fabiola Z Mónica
- Department of Pharmacology, University of Campinas (UNICAMP), Campinas, Sao Paulo, Brazil
| | - Edson Antunes
- Department of Pharmacology, University of Campinas (UNICAMP), Campinas, Sao Paulo, Brazil.
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21
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Goldklang MP, Tekabe Y, Zelonina T, Trischler J, Xiao R, Stearns K, Rodriguez K, Shields A, Romanov A, D'Armiento JM, Johnson LL. Single-photon emission computed tomography/computed tomography imaging of RAGE in smoking-induced lung injury. Respir Res 2019; 20:116. [PMID: 31182072 PMCID: PMC6558785 DOI: 10.1186/s12931-019-1064-4] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/16/2018] [Accepted: 04/30/2019] [Indexed: 11/10/2022] Open
Abstract
Background Expression of the Receptor for Advanced Glycation Endproducts (RAGE) initiates pro-inflammatory pathways resulting in lung destruction. We hypothesized that RAGE directed imaging demonstrates increased lung uptake in smoke-exposure. Methods After exposure to room air or to cigarette smoke for 4-weeks or 16-weeks, rabbits were injected with 99mTc-anti-RAGE F(ab’)2 and underwent Single-Photon Emission Computed Tomography/Computed Tomography (SPECT/CT) imaging. Lung radiotracer uptake was calculated as percent injected dose (%ID). Lungs were dissected for gamma well counting and histological analysis. Results 99mTc-anti-RAGE F(ab’)2 SPECT/CT imaging demonstrated increased lung expression of RAGE with smoke exposure compared to room air control at 4-weeks: Room air right (R) 0.75 ± 0.38%ID, left (L) 0.62 ± 0.32%ID vs. Smoke exposed R 0.17 ± 0.03, L 0.17 ± 0.02%ID (p = 0.02 and 0.028, respectively). By 16-weeks of smoke exposure, the uptake decreased to 0.19 ± 0.05%ID R and 0.17 ± 0.05%ID L, significantly lower than 4-week imaging (p = 0.0076 and 0.0129 respectively). Staining for RAGE confirmed SPECT results, with the RAGE ligand HMGB1 upregulated in the macrophages of 4-week smoke-exposed rabbits. Conclusions RAGE-directed imaging identified pulmonary RAGE expression acutely in vivo in an animal model of emphysema early after smoke exposure, with diminution over time. These studies document the extent and time course of RAGE expression under smoke exposure conditions and could be utilized for disease monitoring and examining response to future RAGE-targeted therapies. Electronic supplementary material The online version of this article (10.1186/s12931-019-1064-4) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Monica P Goldklang
- Department of Anesthesiology, Columbia University, New York, NY, USA.,Department of Medicine, Columbia University, New York, NY, USA
| | - Yared Tekabe
- Department of Medicine, Columbia University, New York, NY, USA
| | - Tina Zelonina
- Department of Anesthesiology, Columbia University, New York, NY, USA
| | - Jordis Trischler
- Department of Anesthesiology, Columbia University, New York, NY, USA
| | - Rui Xiao
- Department of Anesthesiology, Columbia University, New York, NY, USA
| | - Kyle Stearns
- Department of Anesthesiology, Columbia University, New York, NY, USA
| | | | - Alexander Shields
- Department of Anesthesiology, Columbia University, New York, NY, USA
| | - Alexander Romanov
- Institute for Comparative Medicine, Columbia University, New York, NY, USA
| | - Jeanine M D'Armiento
- Department of Anesthesiology, Columbia University, New York, NY, USA. .,Department of Medicine, Columbia University, New York, NY, USA. .,Department of Physiology and Cellular Biophysics, Columbia University, New York, NY, USA.
| | - Lynne L Johnson
- Department of Medicine, Columbia University, New York, NY, USA.
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22
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Sedgewick AJ, Buschur K, Shi I, Ramsey JD, Raghu VK, Manatakis DV, Zhang Y, Bon J, Chandra D, Karoleski C, Sciurba FC, Spirtes P, Glymour C, Benos PV. Mixed graphical models for integrative causal analysis with application to chronic lung disease diagnosis and prognosis. Bioinformatics 2019; 35:1204-1212. [PMID: 30192904 PMCID: PMC6449754 DOI: 10.1093/bioinformatics/bty769] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2018] [Revised: 08/06/2018] [Accepted: 09/03/2018] [Indexed: 12/18/2022] Open
Abstract
MOTIVATION Integration of data from different modalities is a necessary step for multi-scale data analysis in many fields, including biomedical research and systems biology. Directed graphical models offer an attractive tool for this problem because they can represent both the complex, multivariate probability distributions and the causal pathways influencing the system. Graphical models learned from biomedical data can be used for classification, biomarker selection and functional analysis, while revealing the underlying network structure and thus allowing for arbitrary likelihood queries over the data. RESULTS In this paper, we present and test new methods for finding directed graphs over mixed data types (continuous and discrete variables). We used this new algorithm, CausalMGM, to identify variables directly linked to disease diagnosis and progression in various multi-modal datasets, including clinical datasets from chronic obstructive pulmonary disease (COPD). COPD is the third leading cause of death and a major cause of disability and thus determining the factors that cause longitudinal lung function decline is very important. Applied on a COPD dataset, mixed graphical models were able to confirm and extend previously described causal effects and provide new insights on the factors that potentially affect the longitudinal lung function decline of COPD patients. AVAILABILITY AND IMPLEMENTATION The CausalMGM package is available on http://www.causalmgm.org. SUPPLEMENTARY INFORMATION Supplementary data are available at Bioinformatics online.
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Affiliation(s)
- Andrew J Sedgewick
- Department of Computational and Systems Biology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Joint CMU-Pitt PhD Program in Computational Biology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Kristina Buschur
- Department of Computational and Systems Biology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Joint CMU-Pitt PhD Program in Computational Biology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Ivy Shi
- Department of Bioengineering, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Joseph D Ramsey
- Department of Philosophy, Carnegie Mellon University, Pittsburgh, Pennsylvania, USA
| | - Vineet K Raghu
- Department of Computer Science, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Dimitris V Manatakis
- Department of Computational and Systems Biology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Yingze Zhang
- Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Jessica Bon
- Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Divay Chandra
- Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Chad Karoleski
- Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Frank C Sciurba
- Department of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
| | - Peter Spirtes
- Department of Philosophy, Carnegie Mellon University, Pittsburgh, Pennsylvania, USA
| | - Clark Glymour
- Department of Philosophy, Carnegie Mellon University, Pittsburgh, Pennsylvania, USA
| | - Panayiotis V Benos
- Department of Computational and Systems Biology, School of Medicine, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
- Joint CMU-Pitt PhD Program in Computational Biology, University of Pittsburgh, Pittsburgh, Pennsylvania, USA
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23
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Perkins TN, Oczypok EA, Dutz RE, Donnell ML, Myerburg MM, Oury TD. The receptor for advanced glycation end products is a critical mediator of type 2 cytokine signaling in the lungs. J Allergy Clin Immunol 2019; 144:796-808.e12. [PMID: 30940519 DOI: 10.1016/j.jaci.2019.03.019] [Citation(s) in RCA: 34] [Impact Index Per Article: 6.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2018] [Revised: 03/05/2019] [Accepted: 03/18/2019] [Indexed: 01/05/2023]
Abstract
BACKGROUND Asthma is estimated to effect more than 300 million persons worldwide, leading to nearly 250,000 deaths annually. The majority of patients with mild-to-severe asthma have what is deemed "type-2 high" asthma, which is driven by the prototypical type 2 cytokines IL-4, IL-5, and IL-13. Studies have indicated that the receptor for advanced glycation end products (RAGE) is a critical molecule in the pathogenesis of experimental asthma/allergic airway inflammation. More specifically, RAGE expressed on stromal cells, rather than hematopoietic cells, is critical to induction of asthma/allergic airway inflammation by driving type 2 inflammatory responses. However, the role of RAGE in directly mediating type 2 cytokine signaling has never been investigated. OBJECTIVE The goal of this study was to test the hypothesis that RAGE mediates type 2 cytokine-induced signal transduction, airway inflammation, and mucus metaplasia in the lungs. METHODS Wild-type (WT) and RAGE knockout (RAGE-/-) mice, were intranasally administered rIL-5/rIL-13 or rIL-4 alone, and signal transducer and activator of transcription 6 (STAT6) signaling, airway inflammation, and mucus metaplasia were assessed. A RAGE small-molecule antagonist was used to determine the effects of pharmacologically inhibiting RAGE on type 2 cytokine-induced effects. RESULTS Administration of type 2 cytokines induced pronounced airway inflammation and mucus metaplasia in WT mice, which was nearly completely abrogated in RAGE-/- mice. In addition, treatment with a RAGE-specific antagonist diminished the effects of type 2 cytokines in WT mice and in primary human bronchial epithelial cell cultures. Genetic ablation or pharmacologic inhibition of RAGE blocks the effects of IL-13 and IL-4 by inhibiting sustained STAT6 activation and downstream target gene expression in mice and in human bronchial epithelial cells. CONCLUSIONS This study is the first to indicate that RAGE is a critical component of type 2 cytokine signal transduction mechanisms, which is a driving force behind type 2-high asthma.
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Affiliation(s)
- Timothy N Perkins
- Department of Pathology, University of Pittsburgh, School of Medicine, University of Pittsburgh Medical Center, Pittsburgh, Pa; Department of Pediatrics, Division of Pulmonary, Allergy, and Clinical Immunology, Children's Hospital of Pittsburgh of UPMC, Pittsburgh, Pa.
| | - Elizabeth A Oczypok
- Department of Medicine, University of Pittsburgh, School of Medicine, University of Pittsburgh Medical Center, Pittsburgh, Pa
| | - Regina E Dutz
- Department of Pathology, University of Pittsburgh, School of Medicine, University of Pittsburgh Medical Center, Pittsburgh, Pa
| | - Mason L Donnell
- Department of Pathology, University of Pittsburgh, School of Medicine, University of Pittsburgh Medical Center, Pittsburgh, Pa
| | - Michael M Myerburg
- Department of Medicine, University of Pittsburgh, School of Medicine, University of Pittsburgh Medical Center, Pittsburgh, Pa
| | - Tim D Oury
- Department of Pathology, University of Pittsburgh, School of Medicine, University of Pittsburgh Medical Center, Pittsburgh, Pa.
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24
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Khaket TP, Kang SC, Mukherjee TK. The Potential of Receptor for Advanced Glycation End Products (RAGE) as a Therapeutic Target for Lung Associated Diseases. Curr Drug Targets 2019; 20:679-689. [DOI: 10.2174/1389450120666181120102159] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/14/2018] [Revised: 10/17/2018] [Accepted: 11/02/2018] [Indexed: 12/27/2022]
Abstract
The receptor for advanced glycation end products (RAGE) is a multi-ligand pattern recognition
receptor that is highly expressed in lung epithelial cells. It helps alveolar epithelial cells to
maintain their morphology and specific architecture. However, in various pathophysiological conditions,
pulmonary tissues express a supraphysiological level of RAGE and its ligands including advanced
glycation end products, high mobility group box 1 proteins, and S100 proteins. On interaction
with RAGE, these ligands stimulate downstream signaling that generates inflammation and oxidative
stress leading to asthma, chronic obstructive pulmonary disease, lung cancers, idiopathic pulmonary
fibrosis, acute lung injury, pneumonia, bronchopulmonary dysplasia, cystic fibrosis, and sepsis. Thus,
pharmacological agents that can either suppress the production of RAGE or block its biological activity
would offer promising therapeutic value against pathogenesis of the aforementioned lungassociated
diseases. This review presents a comprehensive overview of the recent progress made in
defining the functions of RAGE in lung-associated diseases.
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Affiliation(s)
| | - Sun Chul Kang
- Department of Biotechnology, Daegu University, Gyeongsan, Gyeongbuk, Korea
| | - Tapan Kumar Mukherjee
- Department of Biotechnology, Maharishi Markandeshwar University, Mullana, Haryana, India
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25
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Haider SH, Oskuei A, Crowley G, Kwon S, Lam R, Riggs J, Mikhail M, Talusan A, Veerappan A, Kim JS, Caraher EJ, Nolan A. Receptor for advanced glycation end-products and environmental exposure related obstructive airways disease: a systematic review. Eur Respir Rev 2019; 28:28/151/180096. [PMID: 30918021 PMCID: PMC7006869 DOI: 10.1183/16000617.0096-2018] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/15/2018] [Accepted: 02/09/2019] [Indexed: 12/11/2022] Open
Abstract
Background Our group has identified the receptor for advanced glycation end-products (RAGE) as a predictor of World Trade Center particulate matter associated lung injury. The aim of this systematic review is to assess the relationship between RAGE and obstructive airways disease secondary to environmental exposure. Methods A comprehensive search using PubMed and Embase was performed on January 5, 2018 utilising keywords focusing on environmental exposure, obstructive airways disease and RAGE and was registered with PROSPERO (CRD42018093834). We included original human research studies in English, focusing on pulmonary end-points associated with RAGE and environmental exposure. Results A total of 213 studies were identified by the initial search. After removing the duplicates and applying inclusion and exclusion criteria, we screened the titles and abstracts of 61 studies. Finally, 19 full-text articles were included. The exposures discussed in these articles include particulate matter (n=2) and cigarette smoke (n=17). Conclusion RAGE is a mediator of inflammation associated end-organ dysfunction such as obstructive airways disease. Soluble RAGE, a decoy receptor, may have a protective effect in some pulmonary processes. Overall, RAGE is biologically relevant in environmental exposure associated lung disease. Future investigations should focus on further understanding the role and therapeutic potential of RAGE in particulate matter exposure associated lung disease. RAGE is biologically relevant in environmental exposure associated lung disease. Future investigations should focus on further understanding the role and therapeutic potential of RAGE in particulate matter exposure associated lung diseasehttp://ow.ly/gfZz30o7otU
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Affiliation(s)
- Syed H Haider
- Dept of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, New York University School of Medicine, New York, NY, USA.,Bureau of Health Services and Office of Medical Affairs, Fire Department of New York, New York, NY, USA
| | - Assad Oskuei
- Dept of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, New York University School of Medicine, New York, NY, USA
| | - George Crowley
- Dept of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, New York University School of Medicine, New York, NY, USA
| | - Sophia Kwon
- Dept of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, New York University School of Medicine, New York, NY, USA
| | - Rachel Lam
- Dept of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, New York University School of Medicine, New York, NY, USA
| | - Jessica Riggs
- Dept of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, New York University School of Medicine, New York, NY, USA
| | - Mena Mikhail
- Dept of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, New York University School of Medicine, New York, NY, USA
| | - Angela Talusan
- Dept of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, New York University School of Medicine, New York, NY, USA
| | - Arul Veerappan
- Dept of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, New York University School of Medicine, New York, NY, USA
| | - James S Kim
- Dept of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, New York University School of Medicine, New York, NY, USA
| | - Erin J Caraher
- Dept of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, New York University School of Medicine, New York, NY, USA
| | - Anna Nolan
- Dept of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, New York University School of Medicine, New York, NY, USA .,Bureau of Health Services and Office of Medical Affairs, Fire Department of New York, New York, NY, USA.,Dept of Environmental Medicine, New York University School of Medicine, New York, NY, USA
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26
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Kindermann A, Baier J, Simm A, Haase R, Bartling B. Receptor for advanced glycation end-products modulates lung development and lung sensitivity to hyperoxic injury in newborn mice. Pflugers Arch 2019; 471:983-994. [PMID: 30879195 DOI: 10.1007/s00424-019-02267-2] [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: 01/22/2019] [Revised: 02/14/2019] [Accepted: 02/25/2019] [Indexed: 12/20/2022]
Abstract
The receptor for advanced glycation end-products is mainly expressed in type I alveolar epithelial cells but its importance in lung development and response to neonatal hyperoxia is unclear. Therefore, our study aimed at the analysis of young wildtype and RAGE knockout mice which grew up under normoxic or hyperoxic air conditions for the first 14 days followed by a longer period of normoxic conditions. Lung histology, expression of lung-specific proteins, and respiratory mechanics were analyzed when the mice reached an age of 2 or 4 months. These analyses indicated less but larger and thicker alveoli in RAGE knockout mice, reverse differences in the mRNA and protein amount of pro-surfactant proteins (pro-SP-B, pro-SP-C) and aquaporin-5, and differences in the amount of elastin and CREB, a pro-survival transcription factor, as well as higher lung compliance. Despite this potential disadvantages, RAGE knockout lungs showed less long-term damages mediated by neonatal hyperoxia. In detail, the hyperoxia-mediated reduction in alveoli, enlargement of airspaces, fragmentation of elastic fibers, and increased lung compliance combined with reduced peak airflows was less pronounced in RAGE knockout mice. In conclusion, RAGE supports the alveolarization but makes the lung more susceptible to hyperoxic injury shortly after birth. Blocking RAGE function could still be a helpful tool in reducing hyperoxia-mediated lung pathologies during alveolarization.
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Affiliation(s)
- Anke Kindermann
- Department of Cardiac Surgery, Middle German Heart Center, University Hospital Halle (Saale), Martin Luther University Halle-Wittenberg, Ernst-Grube-Str. 40, 06120, Halle (Saale), Germany
| | - Jan Baier
- Department of Neonatology and Pediatric Intensive Care, Clinic for Child and Adolescent Medicine, University Hospital Halle (Saale), Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Andreas Simm
- Department of Cardiac Surgery, Middle German Heart Center, University Hospital Halle (Saale), Martin Luther University Halle-Wittenberg, Ernst-Grube-Str. 40, 06120, Halle (Saale), Germany
| | - Roland Haase
- Department of Neonatology and Pediatric Intensive Care, Clinic for Child and Adolescent Medicine, University Hospital Halle (Saale), Martin Luther University Halle-Wittenberg, Halle (Saale), Germany
| | - Babett Bartling
- Department of Cardiac Surgery, Middle German Heart Center, University Hospital Halle (Saale), Martin Luther University Halle-Wittenberg, Ernst-Grube-Str. 40, 06120, Halle (Saale), Germany.
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27
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Machahua C, Montes-Worboys A, Planas-Cerezales L, Buendia-Flores R, Molina-Molina M, Vicens-Zygmunt V. Serum AGE/RAGEs as potential biomarker in idiopathic pulmonary fibrosis. Respir Res 2018; 19:215. [PMID: 30409203 PMCID: PMC6225674 DOI: 10.1186/s12931-018-0924-7] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2018] [Accepted: 10/28/2018] [Indexed: 12/16/2022] Open
Abstract
Background The soluble receptor for advanced glycation end-products (sRAGE) has been suggested that it acts as a decoy for capturing advanced glycation end-products (AGEs) and inhibits the activation of the oxidative stress and apoptotic pathways. Lung AGEs/sRAGE is increased in idiopathic pulmonary fibrosis (IPF). The objective of the study was to evaluate the AGEs and sRAGE levels in serum as a potential biomarker in IPF. Methods Serum samples were collected from adult patients: 62 IPF, 22 chronic hypersensitivity pneumonitis (cHP), 20 fibrotic non-specific interstitial pneumonia (fNSIP); and 12 healthy controls. In addition, 23 IPF patients were re-evaluated after 3-year follow-up period. Epidemiological and clinical features were recorded: age, sex, smoking habits, and lung function. AGEs and sRAGE were evaluated by ELISA, and the results were correlated with pulmonary functional test values. Results IPF and cHP groups presented a significant increase of AGE/sRAGE serum concentration compared with fNSIP patients. Moreover, an inverse correlation between AGEs and sRAGE levels were found in IPF, and serum sRAGE at diagnosis correlated with FVC and DLCO values. Additionally, changes in serum AGEs and sRAGE correlated with % change of FVC, DLCO and TLC during the follow-up. sRAGE levels below 428.25 pg/ml evolved poor survival rates. Conclusions These findings demonstrate that the increase of AGE/sRAGE ratio is higher in IPF, although the levels were close to cHP. AGE/sRAGE increase correlates with respiratory functional progression. Furthermore, the concentration of sRAGE in blood stream at diagnosis and follow-up could be considered as a potential prognostic biomarker. Electronic supplementary material The online version of this article (10.1186/s12931-018-0924-7) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Carlos Machahua
- Pneumology Research Group, IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain.,Biomedical Research Network Centers in Respiratory Diseases (CIBERES), Barcelona, Spain
| | - Ana Montes-Worboys
- Pneumology Research Group, IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain.,Biomedical Research Network Centers in Respiratory Diseases (CIBERES), Barcelona, Spain.,Unit of Interstitial Lung Diseases, Department of Pneumology, University Hospital of Bellvitge, C. Feixa Llarga sn., 08907 L'Hospitalet de Llobregat, Barcelona, Spain
| | - Lurdes Planas-Cerezales
- Pneumology Research Group, IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain.,Unit of Interstitial Lung Diseases, Department of Pneumology, University Hospital of Bellvitge, C. Feixa Llarga sn., 08907 L'Hospitalet de Llobregat, Barcelona, Spain
| | | | - Maria Molina-Molina
- Pneumology Research Group, IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain. .,Biomedical Research Network Centers in Respiratory Diseases (CIBERES), Barcelona, Spain. .,Unit of Interstitial Lung Diseases, Department of Pneumology, University Hospital of Bellvitge, C. Feixa Llarga sn., 08907 L'Hospitalet de Llobregat, Barcelona, Spain.
| | - Vanesa Vicens-Zygmunt
- Pneumology Research Group, IDIBELL, L'Hospitalet de Llobregat, Barcelona, Spain.,Unit of Interstitial Lung Diseases, Department of Pneumology, University Hospital of Bellvitge, C. Feixa Llarga sn., 08907 L'Hospitalet de Llobregat, Barcelona, Spain
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28
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Klont F, Joosten MR, Ten Hacken NHT, Horvatovich P, Bischoff R. Quantification of the soluble Receptor of Advanced Glycation End-Products (sRAGE) by LC-MS after enrichment by strong cation exchange (SCX) solid-phase extraction (SPE) at the protein level. Anal Chim Acta 2018; 1043:45-51. [PMID: 30392668 DOI: 10.1016/j.aca.2018.09.050] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2018] [Revised: 09/14/2018] [Accepted: 09/20/2018] [Indexed: 12/26/2022]
Abstract
The study of low abundant proteins contributes to increasing our knowledge about (patho)physiological processes and may lead to the identification and clinical application of disease markers. However, studying these proteins is challenging as high-abundant proteins complicate their analysis. Antibodies are often used to enrich proteins from biological matrices prior to their analysis, though antibody-free approaches have been described for some proteins as well. Here we report an antibody-free workflow on the basis of strong cation exchange (SCX) enrichment and liquid chromatography-mass spectrometry (LC-MS) for quantification of the soluble Receptor of Advanced Glycation End-products (sRAGE), a promising biomarker in chronic obstructive pulmonary disease (COPD). sRAGE was quantified in serum at clinically relevant low to sub ng mL-1 levels. The method was validated according to U.S. Food and Drug Administration (FDA) and European Medicines Agency (EMA) guidelines and was compared to an antibody-based LC-MS sRAGE method. The SCX-based method builds upon the bipolar charge distribution of sRAGE, which has a highly basic N-terminal part and an acidic C-terminal part resulting in an overall neutral isoelectric point (pI). The highly basic N-terminal part (pIcalculated = 10.3) allowed for sRAGE to be enriched by SCX at pH 10, a pH at which most serum proteins do not bind. This study shows that ion exchange-based enrichment is a viable approach for the LC-MS analysis of several low abundant proteins following a thorough analysis of their physical-chemical properties.
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Affiliation(s)
- Frank Klont
- Department of Analytical Biochemistry, Groningen Research Institute of Pharmacy, University of Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, the Netherlands
| | - Marc R Joosten
- Department of Analytical Biochemistry, Groningen Research Institute of Pharmacy, University of Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, the Netherlands
| | - Nick H T Ten Hacken
- Department of Pulmonary Diseases, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ, Groningen, the Netherlands
| | - Péter Horvatovich
- Department of Analytical Biochemistry, Groningen Research Institute of Pharmacy, University of Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, the Netherlands
| | - Rainer Bischoff
- Department of Analytical Biochemistry, Groningen Research Institute of Pharmacy, University of Groningen, Antonius Deusinglaan 1, 9713 AV, Groningen, the Netherlands.
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Crisford H, Sapey E, Stockley RA. Proteinase 3; a potential target in chronic obstructive pulmonary disease and other chronic inflammatory diseases. Respir Res 2018; 19:180. [PMID: 30236095 PMCID: PMC6149181 DOI: 10.1186/s12931-018-0883-z] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Accepted: 09/06/2018] [Indexed: 12/15/2022] Open
Abstract
Chronic Obstructive Pulmonary Disease (COPD) is a common, multifactorial lung disease which results in significant impairment of patients' health and a large impact on society and health care burden. It is believed to be the result of prolonged, destructive neutrophilic inflammation which results in progressive damage to lung structures. During this process, large quantities of neutrophil serine proteinases (NSPs) are released which initiate the damage and contribute towards driving a persistent inflammatory state.Neutrophil elastase has long been considered the key NSP involved in the pathophysiology of COPD. However, in recent years, a significant role for Proteinase 3 (PR3) in disease development has emerged, both in COPD and other chronic inflammatory conditions. Therefore, there is a need to investigate the importance of PR3 in disease development and hence its potential as a therapeutic target. Research into PR3 has largely been confined to its role as an autoantigen, but PR3 is involved in triggering inflammatory pathways, disrupting cellular signalling, degrading key structural proteins, and pathogen response.This review summarises what is presently known about PR3, explores its involvement particularly in the development of COPD, and indicates areas requiring further investigation.
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Affiliation(s)
- Helena Crisford
- Institute of Inflammation and Ageing, University of Birmingham, Edgbaston, Birmingham, B15 2GW, UK.
- Institute of Inflammation and Ageing, College of Medical and Dental Sciences, Centre for Translational Inflammation Research, University of Birmingham Research Laboratories, Queen Elizabeth Hospital Birmingham, Mindelsohn Way, Birmingham, B15 2WB, UK.
| | - Elizabeth Sapey
- Institute of Inflammation and Ageing, University of Birmingham, Edgbaston, Birmingham, B15 2GW, UK
| | - Robert A Stockley
- University Hospital Birmingham NHS Foundation Trust, Edgbaston, Birmingham, B15 2GW, UK
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Teodorowicz M, Hendriks WH, Wichers HJ, Savelkoul HFJ. Immunomodulation by Processed Animal Feed: The Role of Maillard Reaction Products and Advanced Glycation End-Products (AGEs). Front Immunol 2018; 9:2088. [PMID: 30271411 PMCID: PMC6146089 DOI: 10.3389/fimmu.2018.02088] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Accepted: 08/24/2018] [Indexed: 12/23/2022] Open
Abstract
The immune system provides host protection to infection with pathogenic organisms, while at the same time providing tolerance upon exposure to harmless antigens. Thus, an impaired immune function is associated with increased susceptibility to infections with increased disease severity and thereby necessitating the therapeutic use of antibiotics. Livestock performance and feed efficiency, in addition to their health status, are dependent on the microbial load of their gut, the barrier function of the intestinal epithelium and the activity of the mucosal immune system, all of which can be modulated by dietary components. The majority of feeds that are consumed in pets and livestock have been processed. Processing promotes a non-enzymatic reaction between proteins and sugars called Maillard reaction (MR). Maillard reaction products (MRPs) and advanced Maillard reaction products (AGEs) determine taste, smell, and color of many food products therefore the MR is highly relevant for the feed industry. MRPs interact with different types of immune receptors, including the receptor for advanced glycation end products (RAGE) and immunomodulatory potential of feed proteins can be modified by Maillard reaction. This MR has become an important concern since MRPs/AGEs have been shown to contribute to increasing prevalence of diet-related chronic inflammatory states in the gut with negative health consequences and performance. The immunomodulatory effects of dietary MRPs and AGEs in livestock and pet animals are far less well-described, but widely considered to be similar to the relevant concepts and mechanisms obtained in the human field. This review will highlight immunological mechanisms underlying initiation of the innate and adaptive immune responses by MRPs/AGEs present in animal feeds, which are currently not completely understood. Bridging this knowledge gap, and taking advantage of progress in the human field, will significantly improve nutritional quality of feed and increase the prevention of diet-mediated inflammation in animals.
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Affiliation(s)
- Malgorzata Teodorowicz
- Cell Biology and Immunology Group, Department of Animal Sciences, Wageningen University & Research, Wageningen, Netherlands
| | - Wouter H. Hendriks
- Animal Nutrition Group, Department of Animal Sciences, Wageningen University & Research, Wageningen, Netherlands
- Department of Nutrition, Faculty of Veterinary Sciences, Utrecht University, Utrecht, Netherlands
| | - Harry J. Wichers
- Food and Biobased Research, Wageningen University & Research, Wageningen, Netherlands
| | - Huub F. J. Savelkoul
- Cell Biology and Immunology Group, Department of Animal Sciences, Wageningen University & Research, Wageningen, Netherlands
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Klont F, Hadderingh M, Horvatovich P, Ten Hacken NHT, Bischoff R. Affimers as an Alternative to Antibodies in an Affinity LC-MS Assay for Quantification of the Soluble Receptor of Advanced Glycation End-Products (sRAGE) in Human Serum. J Proteome Res 2018; 17:2892-2899. [PMID: 30005571 PMCID: PMC6079930 DOI: 10.1021/acs.jproteome.8b00414] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
![]()
Antibodies are indispensable tools
in biomedical research, but
their size, complexity, and sometimes lack of reproducibility created
a need for the development of alternative binders to overcome these
limitations. Affimers are a novel class of affinity binders based
on a structurally robust protease inhibitor scaffold (i.e., Cystatin
A), which are selected by phage display and produced in a rapid and
simple E. coli protein expression system. These binders
have a defined amino acid sequence with defined binding regions and
are versatile, thereby allowing for easy engineering. Here we present
an affimer-based liquid chromatography–mass spectrometry (LC–MS)
method for quantification of the soluble Receptor of Advanced Glycation
End-products (sRAGE), a promising biomarker for chronic obstructive
pulmonary disease. The method was validated according to European
Medicines Agency and U.S. Food and Drug Administration guidelines
and enabled quantitation of serum sRAGE between 0.2 and 10 ng/mL.
Comparison between the affimer-based method and a previously developed,
validated antibody-based method showed good correlation (R2 = 0.88) and indicated that 25% lower sRAGE levels are
reported by the affimer-based assay. In conclusion, we show the first-time
application of affimers in a quantitative LC–MS method, which
supports the potential of affimers as robust alternatives to antibodies.
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Affiliation(s)
- Frank Klont
- Department of Analytical Biochemistry, Groningen Research Institute of Pharmacy , University of Groningen , Antonius Deusinglaan 1 , 9713 AV Groningen , The Netherlands
| | - Marrit Hadderingh
- Department of Analytical Biochemistry, Groningen Research Institute of Pharmacy , University of Groningen , Antonius Deusinglaan 1 , 9713 AV Groningen , The Netherlands
| | - Péter Horvatovich
- Department of Analytical Biochemistry, Groningen Research Institute of Pharmacy , University of Groningen , Antonius Deusinglaan 1 , 9713 AV Groningen , The Netherlands
| | - Nick H T Ten Hacken
- Department of Pulmonary Diseases, University Medical Center Groningen , University of Groningen , Hanzeplein 1 , 9713 GZ Groningen , The Netherlands
| | - Rainer Bischoff
- Department of Analytical Biochemistry, Groningen Research Institute of Pharmacy , University of Groningen , Antonius Deusinglaan 1 , 9713 AV Groningen , The Netherlands
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Long-term endurance running activity causes pulmonary changes depending on the receptor for advanced glycation end-products. Pflugers Arch 2018; 470:1543-1553. [PMID: 29982950 DOI: 10.1007/s00424-018-2175-3] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/13/2018] [Revised: 06/05/2018] [Accepted: 06/26/2018] [Indexed: 10/28/2022]
Abstract
The receptor for advanced glycation end-products (RAGE) is an immunoglobulin superfamily cell adhesion molecule predominantly expressed in the lung, but its pulmonary importance is incompletely understood. Since RAGE alters the respiratory mechanics, which is also challenged by endurance running activity, we studied the RAGE-dependent effect of higher running activity on selected lung parameters in a long-term animal model using wild-type (WT) and RAGE knockout (RAGE-KO) mice. Higher long-term running activity of mice was ensured by providing a running wheel for 8 months. Recording the running activity revealed that RAGE-KO mice are more active than WT mice. RAGE-KO caused an increased lung compliance which additionally increased after long-term running activity with minor limitation of the expiratory flow, whereas the respiratory mechanics of WT mice remained constant. Although RAGE-KO mice had a less dense alveolar-capillary barrier for immune cells, higher long-term running activity led only in WT mice to more leukocyte infiltrations in the lung tissue and aggregations of lymphoid cells in the airways. In this regard, WT mice of the activity group were also more sensitive to ventilation-mediated airway damages. In contrast to RAGE-KO mice of the activity group, lungs of WT mice did not show an increase in the cAMP response element-binding protein, a transcription factor regulating many pro-survival genes. Our findings suggest an important role of RAGE in the physical capability due to its effect on the lung compliance as well as RAGE as a mediator of airway damages caused by higher long-term running activity.
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Xiong J, Zhao W, Lin Y, Yao L, Huang G, Yu C, Dong H, Xiao G, Zhao H, Cai S. Phosphorylation of low density lipoprotein receptor-related protein 6 is involved in receptor for advanced glycation end product-mediated β-catenin stabilization in a toluene diisocyanate-induced asthma model. Int Immunopharmacol 2018; 59:187-196. [PMID: 29656209 DOI: 10.1016/j.intimp.2018.03.037] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2018] [Revised: 03/06/2018] [Accepted: 03/30/2018] [Indexed: 02/06/2023]
Abstract
BACKGROUND We have previously demonstrated that the receptor for advanced glycation end products (RAGE)/β-catenin axis plays a vital role in regulating airway inflammation and airway remodeling in a toluene diisocyanate (TDI)-induced murine asthma model. However, the exact mechanism of β-catenin activation remains unclear. Given that phosphorylation of the low-density lipoprotein receptor-related protein 6 (Lrp6) is a key step in mediating β-catenin stabilization in canonical wnt/β-catenin signaling, we explored the possible relationship between RAGE and Lrp6 in regulating β-catenin stabilization in TDI-induced asthma. METHODS In this study, a TDI-induced murine asthma model was generated, and mice were treated with a specific inhibitor of RAGE. In vitro, the human bronchial epithelial cell line 16HBE was treated with TDI-human serum albumin (TDI-HSA). RAGE overexpression or knockdown cells were also constructed and assessed. RESULTS The results showed that RAGE inhibition or RAGE knockdown decreased β-catenin nuclear accumulation and the expression of relevant β-catenin targeted genes (VEGF, MMP9, TGF-β1) in the TDI-induced murine asthma model and TDI-HSA-treated 16HBE cells, respectively. Silencing of RAGE reversed the TDI-induced increase in phospho-ERK1/2 (p-ERK) and phospho-Lrp6 (p-Lrp6) in 16HBE cells. Pretreatment with the extracellular signal-regulated kinase (ERK)1/2 inhibitor U0126 suppressed TDI-induced Lrp6 phosphorylation. Furthermore, knockdown of Lrp6 in 16HBE cells decreased β-catenin nuclear translocation and the expression of VEGF, MMP9, and TGF-β1. CONCLUSION These data suggested that the RAGE/ERK axis modulates Lrp6 phosphorylation, contributing to β-catenin stabilization in a TDI-induced murine model.
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Affiliation(s)
- Jing Xiong
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Wenqu Zhao
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Yun Lin
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Lihong Yao
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Guohua Huang
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Changhui Yu
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Hangming Dong
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Guanhua Xiao
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - Haijin Zhao
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China.
| | - Shaoxi Cai
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China.
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Wang Y, Le Y, Zhao W, Lin Y, Wu Y, Yu C, Xiong J, Zou F, Dong H, Cai S, Zhao H. Short Thymic Stromal Lymphopoietin Attenuates Toluene Diisocyanate-induced Airway Inflammation and Inhibits High Mobility Group Box 1-Receptor for Advanced Glycation End Products and Long Thymic Stromal Lymphopoietin Expression. Toxicol Sci 2018; 157:276-290. [PMID: 28329851 DOI: 10.1093/toxsci/kfx043] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
Short thymic stromal lymphopoietin (short TSLP), one of TSLP variants, exerts anti-inflammatory activities in endotoxin shock and colitis mouse models. Our latest work reported that short TSLP prevented house dust mite-induced epithelial barrier disruption. Yet the role of short TSLP in toluene diisocyanate (TDI)-induced asthma is unknown. Male BALB/c mice were sensitized and challenged with TDI to generate a chemical-induced asthma model. Synthetic short TSLP peptides were given intranasally or intraperitoneally before each challenge. TDI significantly increased inflammation and hyperresponsiveness of airway, which were suppressed by short TSLP treatment. Levels of mouse TSLP, high mobility group box 1 (HMGB1), and receptor for advanced glycation end products (RAGE) in airway epithelium and whole lung tissues were markedly increased in TDI group compared with control mice, which were decreased after administration of short TSLP. Meanwhile, short TSLP also inhibited STAT5(Y694) phosphorylation, which was highly expressed in airways of TDI-exposure mice. In vitro, both TDI-human serum albumin (HSA) and recombinant human (rh) HMGB1 promoted long TSLP but not short TSLP gene production in human bronchial epithelial cells (16HBE). Cells pre-treated with short TSLP exhibited less expression of RAGE and long TSLP and lower phosphorylation of Akt(S473), p38 MAPK(T180/Y182), and STAT5(Y694) than stimulated with TDI-HSA or rhHMGB1 alone. Results suggest that short TSLP prevents airway inflammation in a chemical-induced asthma model, which might be associated with the inhibitions of HMGB1-RAGE and long TSLP expression and STAT5(Y694) phosphorylation.
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Affiliation(s)
- Yanhong Wang
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yanqing Le
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Wenqu Zhao
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yun Lin
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Yue Wu
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Changhui Yu
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Jing Xiong
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Fei Zou
- School of Public Health and Tropical Medicine, Southern Medical University, Guangzhou, China
| | - Hangming Dong
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Shaoxi Cai
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, China
| | - Haijin Zhao
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, China
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Klont F, Pouwels SD, Hermans J, van de Merbel NC, Horvatovich P, Ten Hacken NHT, Bischoff R. A fully validated liquid chromatography-mass spectrometry method for the quantification of the soluble receptor of advanced glycation end-products (sRAGE) in serum using immunopurification in a 96-well plate format. Talanta 2018; 182:414-421. [PMID: 29501172 DOI: 10.1016/j.talanta.2018.02.015] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/12/2017] [Revised: 02/03/2018] [Accepted: 02/05/2018] [Indexed: 12/31/2022]
Abstract
The study of proteins is central to unraveling (patho)physiological processes and has contributed greatly to our understanding of biological systems. Corresponding studies often employ procedures to enrich proteins from their biological matrix using antibodies or other affinity binders coupled to beads with a large surface area and a correspondingly high binding capacity. Striving for maximal binding capacity may, however, not always be required or desirable, for example for proteins of low abundance. Here we describe a simplified immunoprecipitation in 96-well ELISA format (IPE) approach for fast and easy enrichment of proteins. The applicability of this approach for enriching low-abundant proteins was demonstrated by an IPE-based quantitative workflow using liquid chromatography-mass spectrometry (LC-MS) for the soluble Receptor of Advanced Glycation End-products (sRAGE), a promising biomarker in chronic obstructive pulmonary disease (COPD). The method was validated according to U.S. Food and Drug Administration (FDA) and European Medicines Agency (EMA) guidelines and enabled accurate quantitation of sRAGE between 0.1 and 10 ng/mL in 50 µL serum. The assay showed substantial correlation with the two most commonly-used sRAGE immunoassays (ELISAs) (R2-values between 0.7 and 0.8). However, the LC-MS method reported 2-4 times higher sRAGE levels compared to the ELISAs, which is largely due to a suboptimal amount of capturing antibody and/or calibration strategy used by the immunoassays. In conclusion, our simplified IPE approach proved to be an efficient strategy for enriching the low-abundant protein sRAGE from serum and may provide an easy to use platform for enriching other (low-abundant) proteins from complex, biological matrices.
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Affiliation(s)
- Frank Klont
- Department of Analytical Biochemistry, Groningen Research Institute of Pharmacy, University of Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands; Groningen Research Institute for Asthma and COPD, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Simon D Pouwels
- Department of Pulmonary Diseases, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands; Groningen Research Institute for Asthma and COPD, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Jos Hermans
- Department of Analytical Biochemistry, Groningen Research Institute of Pharmacy, University of Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands
| | - Nico C van de Merbel
- Department of Analytical Biochemistry, Groningen Research Institute of Pharmacy, University of Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands; Bioanalytical Laboratory, PRA Health Sciences, Early Development Services, Amerikaweg 18, 9407 TK Assen, The Netherlands
| | - Péter Horvatovich
- Department of Analytical Biochemistry, Groningen Research Institute of Pharmacy, University of Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands; Groningen Research Institute for Asthma and COPD, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Nick H T Ten Hacken
- Department of Pulmonary Diseases, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands; Groningen Research Institute for Asthma and COPD, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands
| | - Rainer Bischoff
- Department of Analytical Biochemistry, Groningen Research Institute of Pharmacy, University of Groningen, Antonius Deusinglaan 1, 9713 AV Groningen, The Netherlands; Groningen Research Institute for Asthma and COPD, University Medical Center Groningen, University of Groningen, Hanzeplein 1, 9713 GZ Groningen, The Netherlands.
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Lyu Y, Zhao H, Ye Y, Liu L, Zhu S, Xia Y, Zou F, Cai S. Decreased soluble RAGE in neutrophilic asthma is correlated with disease severity and RAGE G82S variants. Mol Med Rep 2017; 17:4131-4137. [PMID: 29257350 DOI: 10.3892/mmr.2017.8302] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2017] [Accepted: 11/13/2017] [Indexed: 11/05/2022] Open
Abstract
The advanced glycosylation end product-specific receptor (RAGE) has been demonstrated to be an important mediator of asthma pathogenesis. The soluble isoform of RAGE (sRAGE) acts as a 'decoy' to sequester RAGE ligands, and thus prevents their binding to the receptor. A number of reports have linked deficiency of sRAGE to the severity and outcomes of various human diseases, and association with RAGE G82S variants. However, whether sRAGE levels are increased or decreased in asthmatic patients is unclear. The aim of the present study was to determine plasma sRAGE levels in different asthma phenotypes and associations of plasma sRAGE levels with RAGE G82S variants. A total of 85 neutrophilic and 109 non‑neutrophilic newly diagnosed asthmatic patients, and 118 healthy controls, were recruited. Plasma sRAGE levels were measured by ELISA analysis. RAGE G82S genotypes were detected using the Sanger sequencing method. Plasma sRAGE levels were decreased in neutrophilic asthmatics (443.67±208.9 pg/ml) and increased in non‑neutrophilic asthmatics (677.63±300.75 pg/ml) compared with healthy controls (550.02±300.83 pg/ml) (P<0.001). Plasma sRAGE levels were positively correlated with FEV1% predicted (FEV1% Pre) (rp=0.258; P=0.023) in neutrophilic asthmatics. The frequency of G82S genotypes was significantly different between neutrophilic and non‑neutrophilic asthmatics (P=0.009). Neutrophilic asthmatics with genotypes A/G or A/A (389.83±150.37 and 264.59±161.74 pg/ml, respectively) had significantly decreased sRAGE levels compared with the G/G genotype (498.64±235.37 pg/ml) (P=0.022). Those with the A/G and A/A genotype (60.14±22.36%) displayed a trend toward lower FEV1% Pre compared with those with the G/G genotype (64.51±27.37%). No significant difference in sRAGE levels or an association with FEV1% Pre was observed between the different genotypes in non‑neutrophilic asthmatics. In conclusion, the results of the present study indicated that plasma sRAGE levels are altered in different asthma inflammatory phenotypes. Plasma sRAGE may be a biomarker of asthma severity and may be associated with G82S gene variants in neutrophilic asthmatics.
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Affiliation(s)
- Yanhua Lyu
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Haijin Zhao
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Yanmei Ye
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Laiyu Liu
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Shunfang Zhu
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Yang Xia
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Fei Zou
- School of Public Health and Tropical Medicine, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
| | - Shaoxi Cai
- Chronic Airways Diseases Laboratory, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou, Guangdong 510515, P.R. China
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Chandra D, Palevsky P, Sciurba FC. EnRAGEed Kidneys in Chronic Obstructive Pulmonary Disease? Am J Respir Crit Care Med 2017; 195:1411-1413. [PMID: 28569576 DOI: 10.1164/rccm.201701-0173ed] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/01/2023] Open
Affiliation(s)
- Divay Chandra
- 1 Emphysema COPD Research Center of the Division of Pulmonary, Allergy, and Critical Care Medicine University of Pittsburgh School of Medicine Pittsburgh, Pennsylvania
| | - Paul Palevsky
- 2 Renal-Electrolyte Division University of Pittsburgh School of Medicine Pittsburgh, Pennsylvania and.,3 VA Pittsburgh Healthcare System Pittsburgh, Pennsylvania
| | - Frank C Sciurba
- 1 Emphysema COPD Research Center of the Division of Pulmonary, Allergy, and Critical Care Medicine University of Pittsburgh School of Medicine Pittsburgh, Pennsylvania
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熊 婧, 赵 文, 黄 国, 姚 利, 董 航, 余 常, 赵 海, 蔡 绍. [Receptor for advanced glycation end products upregulates MUC5AC expression and promotes mucus overproduction in mice with toluene diisocyanate-induced asthma]. NAN FANG YI KE DA XUE XUE BAO = JOURNAL OF SOUTHERN MEDICAL UNIVERSITY 2017; 37:1301-1307. [PMID: 29070458 PMCID: PMC6743949 DOI: 10.3969/j.issn.1673-4254.2017.10.04] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Subscribe] [Scholar Register] [Received: 05/12/2017] [Indexed: 06/07/2023]
Abstract
OBJECTIVE To explore the role of the receptor for advanced glycation end products (RAGE) in regulating the expression of MUC5AC and mucus production in a mouse model of toluene diisocyanate (TDI)?induced asthma. METHODS BALB/c mice were randomly divided into control group, vehicle (AOO) group, TDI?induced asthma group and RAGE inhibitor (FPS?ZM1) group. PAS staining, Western blotting, and immunohistochemistry were used to analyze the changes in mucus production and MUC5AC expression in the airway of the mice, and the expression of p?ERK was detected with Western blotting. In vitro cultured human bronchial epithelial cell line 16HBE was transfected with lentiviral vector carrying short hairpin RNA targeting RAGE (shRNA?RAGE) and subsequently challenged with a TDI?human serum albumin (TDI-HSA) conjugate, and the changes in cellular MUC5AC mRNA expression as detected using RT-PCR; the protein expressions of ERK and p?ERK in the cells were examined with Western blotting. The effect of ERK inhibitor U0126 pretreatment on MUC5AC mRNA expression was also analyzed in the cells. RESULTS Compared with the control mice, TDI-induced asthmatic mice showed significantly higher rates of PAS positivity and increased MUC5AC and p?ERK expressions in the airway (P<0.05). Treatment with FPS?ZM1 significantly decreased PAS positivity and lowered MUC5AC and p?ERK expressions in the airway of the asthmatic mice (P<0.05). Exposure of 16HBE cells to TDI?HSA caused a significant increase in MUC5AC mRNA expression and p?ERK protein expression (P<0.05), while RAGE knockdown obviously suppressed TDI?HSA-induced upregulation of p-ERK and MUC5AC mRNA (P<0.05). Treatment with the ERK inhibitor U0126 also lowered TDI?HSA?induced up?regulation of MUC5AC mRNA in the cells (P<0.05). CONCLUSION RAGE signaling induces MUC5AC expression via extracellular signal-regulated kinase pathway to promote mucus overproduction in mice with TDI-induced asthma.
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Affiliation(s)
- 婧 熊
- />南方医科大学南方医院呼吸与危重症医学科//慢性气道疾病实验室, 广东 广州 510515Laboratory of Chronic Airway Diseases, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - 文驱 赵
- />南方医科大学南方医院呼吸与危重症医学科//慢性气道疾病实验室, 广东 广州 510515Laboratory of Chronic Airway Diseases, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - 国华 黄
- />南方医科大学南方医院呼吸与危重症医学科//慢性气道疾病实验室, 广东 广州 510515Laboratory of Chronic Airway Diseases, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - 利红 姚
- />南方医科大学南方医院呼吸与危重症医学科//慢性气道疾病实验室, 广东 广州 510515Laboratory of Chronic Airway Diseases, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - 航明 董
- />南方医科大学南方医院呼吸与危重症医学科//慢性气道疾病实验室, 广东 广州 510515Laboratory of Chronic Airway Diseases, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - 常辉 余
- />南方医科大学南方医院呼吸与危重症医学科//慢性气道疾病实验室, 广东 广州 510515Laboratory of Chronic Airway Diseases, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - 海金 赵
- />南方医科大学南方医院呼吸与危重症医学科//慢性气道疾病实验室, 广东 广州 510515Laboratory of Chronic Airway Diseases, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
| | - 绍曦 蔡
- />南方医科大学南方医院呼吸与危重症医学科//慢性气道疾病实验室, 广东 广州 510515Laboratory of Chronic Airway Diseases, Department of Respiratory and Critical Care Medicine, Nanfang Hospital, Southern Medical University, Guangzhou 510515, China
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Caraher EJ, Kwon S, Haider SH, Crowley G, Lee A, Ebrahim M, Zhang L, Chen LC, Gordon T, Liu M, Prezant DJ, Schmidt AM, Nolan A. Receptor for advanced glycation end-products and World Trade Center particulate induced lung function loss: A case-cohort study and murine model of acute particulate exposure. PLoS One 2017; 12:e0184331. [PMID: 28926576 PMCID: PMC5604982 DOI: 10.1371/journal.pone.0184331] [Citation(s) in RCA: 26] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Accepted: 08/22/2017] [Indexed: 12/30/2022] Open
Abstract
World Trade Center-particulate matter(WTC-PM) exposure and metabolic-risk are associated with WTC-Lung Injury(WTC-LI). The receptor for advanced glycation end-products (RAGE) is most highly expressed in the lung, mediates metabolic risk, and single-nucleotide polymorphisms at the AGER-locus predict forced expiratory volume(FEV). Our objectives were to test the hypotheses that RAGE is a biomarker of WTC-LI in the FDNY-cohort and that loss of RAGE in a murine model would protect against acute PM-induced lung disease. We know from previous work that early intense exposure at the time of the WTC collapse was most predictive of WTC-LI therefore we utilized a murine model of intense acute PM-exposure to determine if loss of RAGE is protective and to identify signaling/cytokine intermediates. This study builds on a continuing effort to identify serum biomarkers that predict the development of WTC-LI. A case-cohort design was used to analyze a focused cohort of male never-smokers with normal pre-9/11 lung function. Odds of developing WTC-LI increased by 1.2, 1.8 and 1.0 in firefighters with soluble RAGE (sRAGE)≥97pg/mL, CRP≥2.4mg/L, and MMP-9≤397ng/mL, respectively, assessed in a multivariate logistic regression model (ROCAUC of 0.72). Wild type(WT) and RAGE-deficient(Ager-/-) mice were exposed to PM or PBS-control by oropharyngeal aspiration. Lung function, airway hyperreactivity, bronchoalveolar lavage, histology, transcription factors and plasma/BAL cytokines were quantified. WT-PM mice had decreased FEV and compliance, and increased airway resistance and methacholine reactivity after 24-hours. Decreased IFN-γ and increased LPA were observed in WT-PM mice; similar findings have been reported for firefighters who eventually develop WTC-LI. In the murine model, lack of RAGE was protective from loss of lung function and airway hyperreactivity and was associated with modulation of MAP kinases. We conclude that in a multivariate adjusted model increased sRAGE is associated with WTC-LI. In our murine model, absence of RAGE mitigated acute deleterious effects of PM and may be a biologically plausible mediator of PM-related lung disease.
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Affiliation(s)
- Erin J. Caraher
- Department of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, New York University School of Medicine, New York, New York, United States of America
| | - Sophia Kwon
- Department of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, New York University School of Medicine, New York, New York, United States of America
| | - Syed H. Haider
- Department of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, New York University School of Medicine, New York, New York, United States of America
| | - George Crowley
- Department of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, New York University School of Medicine, New York, New York, United States of America
| | - Audrey Lee
- Department of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, New York University School of Medicine, New York, New York, United States of America
| | - Minah Ebrahim
- Department of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, New York University School of Medicine, New York, New York, United States of America
| | - Liqun Zhang
- Department of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, New York University School of Medicine, New York, New York, United States of America
- Department of Respiratory Medicine, PLA, Army General Hospital, Beijing, China
| | - Lung-Chi Chen
- Department of Environmental Medicine, New York University School of Medicine, New York, New York, United States of America
| | - Terry Gordon
- Department of Environmental Medicine, New York University School of Medicine, New York, New York, United States of America
| | - Mengling Liu
- Department of Environmental Medicine, New York University School of Medicine, New York, New York, United States of America
- Department of Population Health, Division of Biostatistics, New York University School of Medicine, New York, New York, United States of America
| | - David J. Prezant
- Bureau of Health Services and Office of Medical Affairs, Fire Department of New York, Brooklyn, New York, United States of America
- Department of Medicine, Pulmonary Medicine Division, Montefiore Medical Center and Albert Einstein College of Medicine, Bronx, New York, United States of America
| | - Ann Marie Schmidt
- Departments of Biochemistry and Molecular Pharmacology and Pathology, Division of Endocrinology, New York University School of Medicine, New York, New York, United States of America
| | - Anna Nolan
- Department of Medicine, Division of Pulmonary, Critical Care and Sleep Medicine, New York University School of Medicine, New York, New York, United States of America
- Department of Environmental Medicine, New York University School of Medicine, New York, New York, United States of America
- Bureau of Health Services and Office of Medical Affairs, Fire Department of New York, Brooklyn, New York, United States of America
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40
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Hansen NW, Hansen AJ, Sams A. The endothelial border to health: Mechanistic evidence of the hyperglycemic culprit of inflammatory disease acceleration. IUBMB Life 2017; 69:148-161. [PMID: 28230336 DOI: 10.1002/iub.1610] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2016] [Accepted: 01/21/2017] [Indexed: 02/06/2023]
Abstract
The endothelial cell (EC) layer constitutes a barrier that controls movements of fluid, solutes and cells between blood and tissue. Further, the endothelial layer regulates vascular tone and directs local humoral and cellular inflammatory processes. The strategic position makes it an important player for maintenance of health and for development of a number of diseases. Endothelial dysfunction is known to be an important component of type 2 diabetes, but is also assumed to be involved in many other diseases, for example, rheumatoid arthritis, inflammatory bowel disease, asthma, and cardiovascular diseases. We here suggest that the EC plays a pivotal role in disease pathophysiology through initiation, potentiation, and maintenance of several inflammatory mechanisms. Our contention is based on the observation that hyperglycemia-intermittent or sustained, local or systemic-is a major culprit for several endothelial dysfunctions. There is also mounting epidemiological evidence that dietary intake of refined sugars is important for the development of a number of diseases beyond obesity and type 2 diabetes. Various diseases involving inflammatory and immunological components are accelerated by hyperglycemic events because the endothelium transduces "high glucose" signaling into significant pathophysiological phenomena leading to reduced endothelial barrier function, compromised vascular tone regulation and inflammation (e.g., cytokine secretion and RAGE activation). In addition, endothelial extracellular proteins form epitopes for potential specific antibody formation upon interactions with reducing sugars. This paper reviews the endothelial metabolism, biology, inflammatory processes, physical barrier functions, and summarizes evidence that although stochastic in nature, endothelial responses to hyperglycemia are major contributors to disease pathophysiology. We present molecular and mechanistic evidence that both biological and physical barriers, protein function, specific immunity, and inflammatory processes are compromised by hyperglycemic events and thus, hyperglycemic events alone should be considered risk factors for numerous human diseases. © 2017 IUBMB Life, 69(3):148-161, 2017.
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Affiliation(s)
- Nina Waerling Hansen
- Department of Endocrinology (Diabetes and Metabolism), Rigshospitalet, Copenhagen, Denmark
| | - Anker Jon Hansen
- Center for Basic and Translational Neuroscience, University of Copenhagen, Copenhagen, Denmark
| | - Anette Sams
- Department of Clinical Experimental Research, Glostrup Research Institute, Copenhagen University Hospital, Rigshospitalet, Glostrup, Denmark
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41
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Oczypok EA, Perkins TN, Oury TD. Alveolar Epithelial Cell-Derived Mediators: Potential Direct Regulators of Large Airway and Vascular Responses. Am J Respir Cell Mol Biol 2017; 56:694-699. [PMID: 28080134 DOI: 10.1165/rcmb.2016-0151ps] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Bronchial epithelial cells and pulmonary endothelial cells are thought to be the primary modulators of conducting airways and vessels, respectively. However, histological examination of both mouse and human lung tissue reveals that alveolar epithelial cells (AECs) line the adventitia of large airways and vessels and thus are also in a position to directly regulate these structures. The primary purpose of this perspective is to highlight the fact that AECs coat the adventitial surface of every vessel and airway in the lung parenchyma. This localization is ideal for transmitting signals that can contribute to physiologic and pathologic responses in vessels and airways. A few examples of mediators produced by AECs that may contribute to vascular and airway responses are provided to illustrate some of the potential effects that AECs may modulate.
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Affiliation(s)
- Elizabeth A Oczypok
- Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Timothy N Perkins
- Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
| | - Tim D Oury
- Department of Pathology, University of Pittsburgh School of Medicine, Pittsburgh, Pennsylvania
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42
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Caram LMDO, Ferrari R, Nogueira DL, Oliveira M, Francisqueti FV, Tanni SE, Corrêa CR, Godoy I. Tumor necrosis factor receptor 2 as a possible marker of COPD in smokers and ex-smokers. Int J Chron Obstruct Pulmon Dis 2017; 12:2015-2021. [PMID: 28744116 PMCID: PMC5511022 DOI: 10.2147/copd.s138558] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023] Open
Abstract
Introduction Oxidative stress and systemic inflammation are higher in smokers and patients with COPD; however, markers that may help differentiate between smokers and patients with COPD have not yet been identified. We hypothesized that tumor necrosis factor-alpha receptor (TNFR) and soluble form of the receptor for advanced glycation end products (sRAGE) can be indicators of COPD in asymptomatic patients. Patients and methods We evaluated 32 smokers (smoking history >10 pack-years), 32 patients with mild/moderate COPD (smokers and ex-smokers), and 32 never smokers. Concentrations of C-reactive protein (CRP), interleukin (IL)-6, TNFR1 and TNFR2, advanced glycation end products (AGEs), and the sRAGE were measured in serum. Results There were higher CRP and AGEs concentrations in smokers and in patients with COPD (P<0.001 and P=0.01, respectively) compared to controls, without statistical difference between smokers and patients with COPD. Concentrations of sRAGE, IL-6, and TNFR1 did not differ between study groups. TNFR2 was significantly higher in patients with COPD than in smokers (P=0.004) and controls (P=0.004), and the presence of COPD (P=0.02) and CRP (P=0.001) showed a positive association with TNFR2. Positive associations for smoking (P=0.04), CRP (P=0.03), and IL-6 (P=0.03) with AGEs were also found. The interaction variable (smoking × COPD) showed a positive association with IL-6. Conclusion Our data suggest that TNFR2 may be a possible marker of COPD in asymptomatic smokers and ex-smokers. Although smokers and patients with early COPD presented other increased systemic inflammation markers (eg, CRP) and oxidative stress (measured by AGEs), they did not differentiate smokers from COPD.
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Affiliation(s)
| | | | | | - Mrm Oliveira
- Department of Pathology, Botucatu Medical School, UNESP - Univ Estadual Paulista, Botucatu Campus, Botucatu-São Paulo, Brazil
| | - F V Francisqueti
- Department of Pathology, Botucatu Medical School, UNESP - Univ Estadual Paulista, Botucatu Campus, Botucatu-São Paulo, Brazil
| | | | - C R Corrêa
- Department of Pathology, Botucatu Medical School, UNESP - Univ Estadual Paulista, Botucatu Campus, Botucatu-São Paulo, Brazil
| | - I Godoy
- Department of Internal Medicine
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43
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Receptor for advanced glycation endproducts (RAGE) maintains pulmonary structure and regulates the response to cigarette smoke. PLoS One 2017; 12:e0180092. [PMID: 28678851 PMCID: PMC5497997 DOI: 10.1371/journal.pone.0180092] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2016] [Accepted: 06/09/2017] [Indexed: 12/15/2022] Open
Abstract
The receptor for advanced glycation endproducts (RAGE) is highly expressed in the lung but its physiological functions in this organ is still not completely understood. To determine the contribution of RAGE to physiological functions of the lung, we analyzed pulmonary mechanics and structure of wildtype and RAGE deficient (RAGE-/-) mice. RAGE deficiency spontaneously resulted in a loss of lung structure shown by an increased mean chord length, increased respiratory system compliance, decreased respiratory system elastance and increased concentrations of serum protein albumin in bronchoalveolar lavage fluids. Pulmonary expression of RAGE was mainly localized on alveolar epithelial cells and alveolar macrophages. Primary murine alveolar epithelial cells isolated from RAGE-/- mice revealed an altered differentiation and defective barrier formation under in vitro conditions. Stimulation of interferone-y (IFNy)-activated alveolar macrophages deficient for RAGE with Toll-like receptor (TLR) ligands resulted in significantly decreased release of proinflammatory cytokines and chemokines. Exposure to chronic cigarette smoke did not affect emphysema-like changes in lung parenchyma in RAGE-/- mice. Acute cigarette smoke exposure revealed a modified inflammatory response in RAGE-/- mice that was characterized by an influx of macrophages and a decreased keratinocyte-derived chemokine (KC) release. Our data suggest that RAGE regulates the differentiation of alveolar epithelial cells and impacts on the development and maintenance of pulmonary structure. In cigarette smoke-induced lung pathology, RAGE mediates inflammation that contributes to lung damage.
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Smith PK, Masilamani M, Li XM, Sampson HA. Reply. J Allergy Clin Immunol 2017; 140:319-320. [DOI: 10.1016/j.jaci.2017.03.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/13/2017] [Accepted: 03/31/2017] [Indexed: 10/19/2022]
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45
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Oczypok EA, Perkins TN, Oury TD. All the "RAGE" in lung disease: The receptor for advanced glycation endproducts (RAGE) is a major mediator of pulmonary inflammatory responses. Paediatr Respir Rev 2017; 23:40-49. [PMID: 28416135 PMCID: PMC5509466 DOI: 10.1016/j.prrv.2017.03.012] [Citation(s) in RCA: 116] [Impact Index Per Article: 16.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/10/2017] [Accepted: 03/10/2017] [Indexed: 02/07/2023]
Abstract
The receptor for advanced glycation endproducts (RAGE) is a pro-inflammatory pattern recognition receptor (PRR) that has been implicated in the pathogenesis of numerous inflammatory diseases. It was discovered in 1992 on endothelial cells and was named for its ability to bind advanced glycation endproducts and promote vascular inflammation in the vessels of patients with diabetes. Further studies revealed that RAGE is most highly expressed in lung tissue and spurred numerous explorations into RAGE's role in the lung. These studies have found that RAGE is an important mediator in allergic airway inflammation (AAI) and asthma, pulmonary fibrosis, lung cancer, chronic obstructive pulmonary disease (COPD), acute lung injury, pneumonia, cystic fibrosis, and bronchopulmonary dysplasia. RAGE has not yet been targeted in the lungs of paediatric or adult clinical populations, but the development of new ways to inhibit RAGE is setting the stage for the emergence of novel therapeutic agents for patients suffering from these pulmonary conditions.
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Affiliation(s)
| | | | - Tim D. Oury
- Corresponding author. Tel.: +1 412 648 9659; Fax: +1 412 648 9527
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46
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Biomarkers in Idiopathic Pulmonary Fibrosis: A RAGE-ing Bull in the Arena. Ann Am Thorac Soc 2017; 14:613-614. [PMID: 28459629 DOI: 10.1513/annalsats.201701-024ed] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/20/2022] Open
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47
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Antonelli A, Di Maggio S, Rejman J, Sanvito F, Rossi A, Catucci A, Gorzanelli A, Bragonzi A, Bianchi ME, Raucci A. The shedding-derived soluble receptor for advanced glycation endproducts sustains inflammation during acute Pseudomonas aeruginosa lung infection. Biochim Biophys Acta Gen Subj 2017; 1861:354-364. [DOI: 10.1016/j.bbagen.2016.11.040] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2016] [Revised: 11/22/2016] [Accepted: 11/28/2016] [Indexed: 01/07/2023]
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48
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Lee H, Park JR, Kim WJ, Sundar IK, Rahman I, Park SM, Yang SR. Blockade of RAGE ameliorates elastase-induced emphysema development and progression via RAGE-DAMP signaling. FASEB J 2017; 31:2076-2089. [PMID: 28148566 DOI: 10.1096/fj.201601155r] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/25/2016] [Accepted: 01/17/2017] [Indexed: 12/21/2022]
Abstract
The receptor for advanced glycan end products (RAGE) has been identified as a susceptibility gene for chronic obstructive pulmonary disease (COPD) in genome-wide association studies (GWASs). However, less is known about how RAGE is involved in the pathogenesis of COPD. To determine the molecular mechanism by which RAGE influences COPD in experimental COPD models, we investigated the efficacy of the RAGE-specific antagonist FPS-ZM1 administration in in vivo and in vitro COPD models. We injected elastase intratracheally and the RAGE antagonist FPS-ZM1 in mice, and the infiltrated inflammatory cells and cytokines were assessed by ELISA. Cellular expression of RAGE was determined in protein, serum, and bronchoalveolar lavage fluid of mice and lungs and serum of human donors and patients with COPD. Downstream damage-associated molecular pattern (DAMP) pathway activation in vivo and in vitro and in patients with COPD was assessed by immunofluorescence staining, Western blot analysis, and ELISA. The expression of membrane RAGE in initiating the inflammatory response and of soluble RAGE acting as a decoy were associated with up-regulation of the DAMP-related signaling pathway via Nrf2. FPS-ZM1 administration significantly reversed emphysema in the lung of mice. Moreover, FPS-ZM1 treatment significantly reduced lung inflammation in Nrf2+/+ , but not in Nrf2-/- mice. Thus, our data indicate for the first time that RAGE inhibition has an essential protective role in COPD. Our observation of RAGE inhibition provided novel insight into its potential as a therapeutic target in emphysema/COPD.-Lee, H., Park, J.-R., Kim, W. J., Sundar, I. K., Rahman, I., Park, S.-M., Yang. S.-R. Blockade of RAGE ameliorates elastase-induced emphysema development and progression via RAGE-DAMP signaling.
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Affiliation(s)
- Hanbyeol Lee
- Department of Thoracic and Cardiovascular Surgery, Kangwon National University, Chuncheon, South Korea
| | - Jeong-Ran Park
- Department of Thoracic and Cardiovascular Surgery, Kangwon National University, Chuncheon, South Korea
| | - Woo Jin Kim
- Department of Internal Medicine, Kangwon National University, Chuncheon, South Korea; and
| | - Isaac K Sundar
- Department of Environmental Medicine, University of Rochester Medical Center, Rochester, New York, USA
| | - Irfan Rahman
- Department of Environmental Medicine, University of Rochester Medical Center, Rochester, New York, USA
| | - Sung-Min Park
- Department of Thoracic and Cardiovascular Surgery, Kangwon National University, Chuncheon, South Korea
| | - Se-Ran Yang
- Department of Thoracic and Cardiovascular Surgery, Kangwon National University, Chuncheon, South Korea;
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49
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Arikkatt J, Ullah MA, Short KR, Zhang V, Gan WJ, Loh Z, Werder RB, Simpson J, Sly PD, Mazzone SB, Spann KM, Ferreira MA, Upham JW, Sukkar MB, Phipps S. RAGE deficiency predisposes mice to virus-induced paucigranulocytic asthma. eLife 2017; 6. [PMID: 28099113 PMCID: PMC5243115 DOI: 10.7554/elife.21199] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2016] [Accepted: 01/03/2017] [Indexed: 12/11/2022] Open
Abstract
Asthma is a chronic inflammatory disease. Although many patients with asthma develop type-2 dominated eosinophilic inflammation, a number of individuals develop paucigranulocytic asthma, which occurs in the absence of eosinophilia or neutrophilia. The aetiology of paucigranulocytic asthma is unknown. However, both respiratory syncytial virus (RSV) infection and mutations in the receptor for advanced glycation endproducts (RAGE) are risk factors for asthma development. Here, we show that RAGE deficiency impairs anti-viral immunity during an early-life infection with pneumonia virus of mice (PVM; a murine analogue of RSV). The elevated viral load was associated with the release of high mobility group box-1 (HMGB1) which triggered airway smooth muscle remodelling in early-life. Re-infection with PVM in later-life induced many of the cardinal features of asthma in the absence of eosinophilic or neutrophilic inflammation. Anti-HMGB1 mitigated both early-life viral disease and asthma-like features, highlighting HMGB1 as a possible novel therapeutic target. DOI:http://dx.doi.org/10.7554/eLife.21199.001
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Affiliation(s)
- Jaisy Arikkatt
- School of Biomedical Science, University of Queensland, Brisbane, Australia
| | - Md Ashik Ullah
- School of Biomedical Science, University of Queensland, Brisbane, Australia.,Woolcock Institute of Medical Research, Sydney Medical School, University of Sydney, New South Wales, Australia
| | - Kirsty Renfree Short
- School of Biomedical Science, University of Queensland, Brisbane, Australia.,Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, Australia
| | - Vivan Zhang
- School of Biomedical Science, University of Queensland, Brisbane, Australia
| | - Wan Jun Gan
- School of Biomedical Science, University of Queensland, Brisbane, Australia
| | - Zhixuan Loh
- School of Biomedical Science, University of Queensland, Brisbane, Australia
| | - Rhiannon B Werder
- School of Biomedical Science, University of Queensland, Brisbane, Australia
| | - Jennifer Simpson
- School of Biomedical Science, University of Queensland, Brisbane, Australia
| | - Peter D Sly
- Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, Australia.,Centre for Children's Health Research Children's Health Queensland, The University of Queensland, Brisbane, Australia
| | - Stuart B Mazzone
- School of Biomedical Science, University of Queensland, Brisbane, Australia
| | - Kirsten M Spann
- Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, Australia.,School of Chemistry and Molecular Biosciences, The University of Queensland, St. Lucia, Australia.,School of Biomedical Science, Queensland University of Technology, Brisbane, Australia
| | | | - John W Upham
- Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, Australia.,School of Medicine, The University of Queensland, Princess Alexandra Hospital Brisbane, Brisbane, Australia
| | - Maria B Sukkar
- Woolcock Institute of Medical Research, Sydney Medical School, University of Sydney, New South Wales, Australia.,Discipline of Pharmacy, Graduate School of Health, University of Technology Sydney, Sydney, Australia
| | - Simon Phipps
- School of Biomedical Science, University of Queensland, Brisbane, Australia.,Australian Infectious Diseases Research Centre, The University of Queensland, Brisbane, Australia
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50
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Wong SLI, Sukkar MB. The SPARC protein: an overview of its role in lung cancer and pulmonary fibrosis and its potential role in chronic airways disease. Br J Pharmacol 2016; 174:3-14. [PMID: 27759879 DOI: 10.1111/bph.13653] [Citation(s) in RCA: 55] [Impact Index Per Article: 6.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2015] [Revised: 10/05/2016] [Accepted: 10/11/2016] [Indexed: 12/20/2022] Open
Abstract
The SPARC (secreted protein acidic and rich in cysteine) protein is matricellular molecule regulating interactions between cells and their surrounding extracellular matrix (ECM). This protein thus governs fundamental cellular functions such as cell adhesion, proliferation and differentiation. SPARC also regulates the expression and activity of numerous growth factors and matrix metalloproteinases essential for ECM degradation and turnover. Studies in SPARC-null mice have revealed a critical role for SPARC in tissue development, injury and repair and in the regulation of the immune response. In the lung, SPARC drives pathological responses in non-small cell lung cancer and idiopathic pulmonary fibrosis by promoting microvascular remodelling and excessive deposition of ECM proteins. Remarkably, although chronic airway conditions such as asthma and chronic obstructive pulmonary disease (COPD) involve significant remodelling in both the airway and vascular compartments, the role of SPARC in these conditions has thus far been overlooked. In this review, we discuss the role of SPARC in lung cancer and pulmonary fibrosis, as well as potential mechanisms by which it may contribute to the disease process in asthma and COPD.
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Affiliation(s)
- Sharon L I Wong
- Discipline of Pharmacy, Graduate School of Health, The University of Technology Sydney, Ultimo, NSW, Australia
| | - Maria B Sukkar
- Discipline of Pharmacy, Graduate School of Health, The University of Technology Sydney, Ultimo, NSW, Australia
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