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Myint SS, Laomeephol C, Thamnium S, Chamni S, Luckanagul JA. Hyaluronic Acid Nanogels: A Promising Platform for Therapeutic and Theranostic Applications. Pharmaceutics 2023; 15:2671. [PMID: 38140012 PMCID: PMC10747897 DOI: 10.3390/pharmaceutics15122671] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2023] [Revised: 11/18/2023] [Accepted: 11/23/2023] [Indexed: 12/24/2023] Open
Abstract
Hyaluronic acid (HA) nanogels are a versatile class of nanomaterials with specific properties, such as biocompatibility, hygroscopicity, and biodegradability. HA nanogels exhibit excellent colloidal stability and high encapsulation capacity, making them promising tools for a wide range of biomedical applications. HA nanogels can be fabricated using various methods, including polyelectrolyte complexation, self-assembly, and chemical crosslinking. The fabrication parameters can be tailored to control the physicochemical properties of HA nanogels, such as size, shape, surface charge, and porosity, enabling the rational design of HA nanogels for specific applications. Stimulus-responsive nanogels are a type of HA nanogels that can respond to external stimuli, such as pH, temperature, enzyme, and redox potential. This property allows the controlled release of encapsulated therapeutic agents in response to specific physiological conditions. HA nanogels can be engineered to encapsulate a variety of therapeutic agents, such as conventional drugs, genes, and proteins. They can then be delivered to target tissues with high efficiency. HA nanogels are still under development, but they have the potential to become powerful tools for a wide range of theranostic or solely therapeutic applications, including anticancer therapy, gene therapy, drug delivery, and bioimaging.
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Affiliation(s)
- Su Sundee Myint
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand; (S.S.M.); (S.C.)
- Pharmaceutical Sciences and Technology Program, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand;
| | - Chavee Laomeephol
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand;
- Center of Excellence in Biomaterial Engineering in Medical and Health, Chulalongkorn University, Bangkok 10330, Thailand
| | - Sirikool Thamnium
- Pharmaceutical Sciences and Technology Program, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand;
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand;
| | - Supakarn Chamni
- Department of Pharmacognosy and Pharmaceutical Botany, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand; (S.S.M.); (S.C.)
- Natural Products and Nanoparticles Research Unit (NP2), Chulalongkorn University, Bangkok 10330, Thailand
| | - Jittima Amie Luckanagul
- Department of Pharmaceutics and Industrial Pharmacy, Faculty of Pharmaceutical Sciences, Chulalongkorn University, Bangkok 10330, Thailand;
- Center of Excellence in Biomaterial Engineering in Medical and Health, Chulalongkorn University, Bangkok 10330, Thailand
- Center of Excellence in Plant-Produced Pharmaceuticals, Chulalongkorn University, Bangkok 10330, Thailand
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2
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Rwandamuriye FX, Evans CW, Wylie B, Norret M, Vitali B, Ho D, Nguyen D, Roper EA, Wang T, Hepburn MS, Sanderson RW, Pfirrmann M, Fear VS, Forbes CA, Wyatt K, Ryan AL, Johns TG, Phillips MB, Hodder R, Leslie C, Kennedy BF, Zemek RM, Iyer KS, Lesterhuis WJ. A surgically optimized intraoperative poly(I:C)-releasing hydrogel prevents cancer recurrence. Cell Rep Med 2023; 4:101113. [PMID: 37467718 PMCID: PMC10394259 DOI: 10.1016/j.xcrm.2023.101113] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 05/10/2023] [Accepted: 06/18/2023] [Indexed: 07/21/2023]
Abstract
Recurrences frequently occur following surgical removal of primary tumors. In many cancers, adjuvant therapies have limited efficacy. Surgery provides access to the tumor microenvironment, creating an opportunity for local therapy, in particular immunotherapy, which can induce local and systemic anti-cancer effects. Here, we develop a surgically optimized biodegradable hyaluronic acid-based hydrogel for sustained intraoperative delivery of Toll-like receptor 3 agonist poly(I:C) and demonstrate that it significantly reduces tumor recurrence after surgery in multiple mouse models. Mechanistically, poly(I:C) induces a transient interferon alpha (IFNα) response, reshaping the tumor/wound microenvironment by attracting inflammatory monocytes and depleting regulatory T cells. We demonstrate that a pre-existing IFN signature predicts response to the poly(I:C) hydrogel, which sensitizes tumors to immune checkpoint therapy. The safety, immunogenicity, and surgical feasibility are confirmed in a veterinary trial in canine soft tissue tumors. The surgically optimized poly(I:C)-loaded hydrogel provides a safe and effective approach to prevent cancer recurrence.
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Affiliation(s)
| | - Cameron W Evans
- School of Molecular Sciences, The University of Western Australia, Crawley, WA, Australia
| | - Ben Wylie
- Telethon Kids Institute, The University of Western Australia, Nedlands, WA, Australia
| | - Marck Norret
- School of Molecular Sciences, The University of Western Australia, Crawley, WA, Australia
| | - Breana Vitali
- Telethon Kids Institute, The University of Western Australia, Nedlands, WA, Australia
| | - Diwei Ho
- School of Molecular Sciences, The University of Western Australia, Crawley, WA, Australia
| | - Dat Nguyen
- Telethon Kids Institute, The University of Western Australia, Nedlands, WA, Australia
| | - Ellise A Roper
- Telethon Kids Institute, The University of Western Australia, Nedlands, WA, Australia
| | - Tao Wang
- Telethon Kids Institute, The University of Western Australia, Nedlands, WA, Australia
| | - Matt S Hepburn
- BRITElab, Harry Perkins Institute of Medical Research, QEII Medical Centre, Nedlands, WA, Australia; Centre for Medical Research, The University of Western Australia, Crawley, WA, Australia; Department of Electrical, Electronic and Computer Engineering, School of Engineering, The University of Western Australia, Crawley, WA, Australia
| | - Rowan W Sanderson
- BRITElab, Harry Perkins Institute of Medical Research, QEII Medical Centre, Nedlands, WA, Australia; Centre for Medical Research, The University of Western Australia, Crawley, WA, Australia; Department of Electrical, Electronic and Computer Engineering, School of Engineering, The University of Western Australia, Crawley, WA, Australia
| | - Maren Pfirrmann
- Telethon Kids Institute, The University of Western Australia, Nedlands, WA, Australia; Department of Medical BioSciences, Radboud University Medical Centre, Nijmegen, the Netherlands
| | - Vanessa S Fear
- Telethon Kids Institute, The University of Western Australia, Nedlands, WA, Australia
| | - Catherine A Forbes
- Telethon Kids Institute, The University of Western Australia, Nedlands, WA, Australia
| | - Ken Wyatt
- Perth Veterinary Specialists, Osborne Park, WA, Australia; Murdoch Veterinary School, Murdoch University, Murdoch, WA, Australia
| | - Anne L Ryan
- Telethon Kids Institute, The University of Western Australia, Nedlands, WA, Australia; Department of Oncology, Hematology and Tissue and Cellular Therapies, Perth Children's Hospital, Perth, WA, Australia
| | - Terrance G Johns
- Telethon Kids Institute, The University of Western Australia, Nedlands, WA, Australia
| | - Marianne B Phillips
- Telethon Kids Institute, The University of Western Australia, Nedlands, WA, Australia; Department of Oncology, Hematology and Tissue and Cellular Therapies, Perth Children's Hospital, Perth, WA, Australia
| | - Rupert Hodder
- Department of Surgery, Sir Charles Gairdner Hospital, Nedlands, WA, Australia
| | - Connull Leslie
- Department of Anatomical Pathology, PathWest Laboratory Medicine, QEII Medical Centre, Nedlands, WA, Australia
| | - Brendan F Kennedy
- BRITElab, Harry Perkins Institute of Medical Research, QEII Medical Centre, Nedlands, WA, Australia; Centre for Medical Research, The University of Western Australia, Crawley, WA, Australia; Department of Electrical, Electronic and Computer Engineering, School of Engineering, The University of Western Australia, Crawley, WA, Australia
| | - Rachael M Zemek
- Telethon Kids Institute, The University of Western Australia, Nedlands, WA, Australia
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3
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Lim J, Machin DR, Donato AJ. The role of hyaluronan in endothelial glycocalyx and potential preventative lifestyle strategy with advancing age. CURRENT TOPICS IN MEMBRANES 2023; 91:139-156. [PMID: 37080678 PMCID: PMC10464581 DOI: 10.1016/bs.ctm.2023.02.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 03/12/2023]
Abstract
The endothelial glycocalyx (EG) is a gel-like structure that forms a layer in between the surface of the endothelium and lumen. EG was once thought to be merely a structural support for the endothelium. However, in recent years, the importance of EG as a first line of defense and a key regulator to endothelial integrity has been illuminated. With advanced age, EG deterioration becomes more noticeable and at least partially associated with endothelial dysfunction. Hyaluronan (HA), one of the critical components of the EG, has distinct properties and roles to the maintenance of EG and endothelial function. Therefore, given the intimate relationship between the EG and endothelium during the aging process, HA may serve as a promising therapeutic target to prevent endothelial dysfunction.
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Affiliation(s)
- Jisok Lim
- Department of Internal Medicine, University of Utah, Salt Lake City, UT, United States
| | - Daniel Robert Machin
- Department of Nutrition & Integrative Physiology, Florida State University, Tallahassee, FL, United States
| | - Anthony John Donato
- Department of Internal Medicine, University of Utah, Salt Lake City, UT, United States; Geriatric Research, Education, and Clinical Center, Salt Lake City Veterans Affairs Medical Center, Salt Lake City, UT, United States; Department of Nutrition and Integrative Physiology, Salt Lake City, UT, United States; Department of Biochemistry, University of Utah, Salt Lake City, UT, United States; Nora Eccles Harrison Cardiovascular Research and Training Institute, University of Utah, Salt Lake City, UT, United States.
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4
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Tang F, Brune JE, Chang MY, Reeves SR, Altemeier WA, Frevert CW. Defining the versican interactome in lung health and disease. Am J Physiol Cell Physiol 2022; 323:C249-C276. [PMID: 35649251 PMCID: PMC9291419 DOI: 10.1152/ajpcell.00162.2022] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2022] [Accepted: 05/17/2022] [Indexed: 11/22/2022]
Abstract
The extracellular matrix (ECM) imparts critical mechanical and biochemical information to cells in the lungs. Proteoglycans are essential constituents of the ECM and play a crucial role in controlling numerous biological processes, including regulating cellular phenotype and function. Versican, a chondroitin sulfate proteoglycan required for embryonic development, is almost absent from mature, healthy lungs and is reexpressed and accumulates in acute and chronic lung disease. Studies using genetically engineered mice show that the versican-enriched matrix can be pro- or anti-inflammatory depending on the cellular source or disease process studied. The mechanisms whereby versican develops a contextual ECM remain largely unknown. The primary goal of this review is to provide an overview of the interaction of versican with its many binding partners, the "versican interactome," and how through these interactions, versican is an integrator of complex extracellular information. Hopefully, the information provided in this review will be used to develop future studies to determine how versican and its binding partners can develop contextual ECMs that control select biological processes. Although this review focuses on versican and the lungs, what is described can be extended to other proteoglycans, tissues, and organs.
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Affiliation(s)
- Fengying Tang
- Center for Lung Biology, The University of Washington at South Lake Union, Seattle, Washington
- Department of Comparative Medicine, University of Washington, Seattle, Washington
| | - Jourdan E Brune
- Center for Lung Biology, The University of Washington at South Lake Union, Seattle, Washington
- Department of Comparative Medicine, University of Washington, Seattle, Washington
| | - Mary Y Chang
- Center for Lung Biology, The University of Washington at South Lake Union, Seattle, Washington
- Department of Comparative Medicine, University of Washington, Seattle, Washington
| | - Stephen R Reeves
- Center for Immunity and Immunotherapies, Seattle Children's Research Institute, Seattle, Washington
- Division of Pulmonary and Sleep Medicine, Department of Pediatrics, University of Washington, Seattle, Washington
| | - William A Altemeier
- Center for Lung Biology, The University of Washington at South Lake Union, Seattle, Washington
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of Washington, Seattle, Washington
| | - Charles W Frevert
- Center for Lung Biology, The University of Washington at South Lake Union, Seattle, Washington
- Department of Comparative Medicine, University of Washington, Seattle, Washington
- Division of Pulmonary, Critical Care and Sleep Medicine, Department of Medicine, University of Washington, Seattle, Washington
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5
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Lung Hyaluronasome: Involvement of Low Molecular Weight Ha (Lmw-Ha) in Innate Immunity. Biomolecules 2022; 12:biom12050658. [PMID: 35625586 PMCID: PMC9138743 DOI: 10.3390/biom12050658] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 04/27/2022] [Accepted: 04/28/2022] [Indexed: 02/01/2023] Open
Abstract
Hyaluronic acid (HA) is a major component of the extracellular matrix. It is synthesized by hyaluronan synthases (HAS) into high-molecular-weight chains (HMW-HA) that exhibit anti-inflammatory and immunomodulatory functions. In damaged, infected, and/or inflamed tissues, HMW-HA are degraded by hyaluronidases (HYAL) or reactive oxygen species (ROS) to give rise to low-molecular-weight HAs (LMW-HAs) that are potent pro-inflammatory molecules. Therefore, the size of HA regulates the balance of anti- or pro-inflammatory functions. The activities of HA depend also on its interactions with hyaladherins. HA synthesis, degradation, and activities through HA/receptors interactions define the hyaluronasome. In this review, a short overview of the role of high and low-molecular-weight HA polymers in the lungs is provided. The involvement of LMW-HA in pulmonary innate immunity via the activation of neutrophils, macrophages, dendritic cells, and epithelial cells is described to highlight LMW-HA as a therapeutic target in inflammatory respiratory diseases. Finally, the possibilities to counter LMW-HA’s deleterious effects in the lungs are discussed.
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6
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Zhang XN, Wu LJ, Kong X, Zheng BY, Zhang Z, He ZW. Regulation of the expression of proinflammatory cytokines induced by SARS-CoV-2. World J Clin Cases 2021; 9:1513-1523. [PMID: 33728295 PMCID: PMC7942047 DOI: 10.12998/wjcc.v9.i7.1513] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/13/2020] [Revised: 12/08/2020] [Accepted: 12/25/2020] [Indexed: 02/06/2023] Open
Abstract
An outbreak of a novel coronavirus was reported in Wuhan, China, in late 2019. It has spread rapidly through China and many other countries, causing a global pandemic. Since February 2020, over 28 countries/regions have reported confirmed cases. Individuals with the infection known as coronavirus disease-19 (COVID-19) have similar clinical features as severe acute respiratory syndrome first encountered 17 years ago, with fever, cough, and upper airway congestion, along with high production of proinflammatory cytokines (PICs), which form a cytokine storm. PICs induced by COVID-19 include interleukin (IL)-6, IL-17, and monocyte chemoattractant protein-1. The production of cytokines is regulated by activated nuclear factor-kB and involves downstream pathways such as Janus kinase/signal transducers and activators transcription. Protein expression is also regulated by post-translational modification of chromosomal markers. Lysine residues in the peptide tails stretching out from the core of histones bind the sequence upstream of the coding portion of genomic DNA. Covalent modification, particularly methylation, activates or represses gene transcription. PICs have been reported to be induced by histone modification and stimulate exudation of hyaluronic acid, which is implicated in the occurrence of COVID-19. These findings indicate the impact of the expression of PICs on the pathogenesis and therapeutic targeting of COVID-19.
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Affiliation(s)
- Xiang-Ning Zhang
- Department of Pathophysiology, Guangdong Medical University, Dongguan 523808, Guangdong Province, China
| | - Long-Ji Wu
- Department of Pathophysiology, Guangdong Medical University, Dongguan 523808, Guangdong Province, China
| | - Xia Kong
- Department of Pathophysiology, Guangdong Medical University, Dongguan 523808, Guangdong Province, China
| | - Bi-Ying Zheng
- Department of Clinical Microbiology, Institute of Laboratory Medicine, Guangdong Medical University, Dongguan 523808, Guangdong Province, China
| | - Zhe Zhang
- Department of ENT and Head and Neck Surgery, First Affiliated Hospital of Guangxi Medical University, Nanning 531000, Guangxi Zhuang Autonomous Region, China
| | - Zhi-Wei He
- Department of Pathophysiology, Guangdong Medical University, Dongguan 523808, Guangdong Province, China
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7
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Zhang C, Li Q, Wu C, Wang J, Su M, Deng J. Hypoxia-responsive nanogel as IL-12 carrier for anti-cancer therapy. NANOTECHNOLOGY 2021; 32:095107. [PMID: 33238258 DOI: 10.1088/1361-6528/abcdcc] [Citation(s) in RCA: 9] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
In the past two decades, protein drugs have evolved to become the most successful and important strategy in cancer therapy. However, systematical administration of protein drugs may cause serious side effects. In order to prepare a new promising hydrophilic drugs carrier, we constructed a PEGylated hyaluronic acid nanogel (NI-MAHA-PEG nanogel) with hypoxia and enzymatic responsiveness, which can selectively release hydrophilic drugs interleukin-12 (IL-12) on demand in a tumor microenvironment. We observed that release of IL-12 from nanogels by hypoxia-responsive stimulation, nanogels have anti-tumor effects on melanoma. Compared with physiological conditions, the IL-12 release rate has achieved remarkable growth under hypoxic conditions. Similarly, the drug release rate increased significantly with the addition of 500 U ml-1 hyaluronidase. We provide a novel strategy to allow efficient delivery, on-demand release, and enhanced access of proteins to hypoxic tumor regions. The rational design of this nanogels drug delivery system can further explore the use of various drugs to treat many cancers.
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Affiliation(s)
- Changhuan Zhang
- School of Biomedical Engineering, School of Ophthalmology and Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang 325011, People's Republic of China
- Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy Sciences, Wenzhou 325001, People's Republic of China
| | - Qinghua Li
- School of Biomedical Engineering, School of Ophthalmology and Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang 325011, People's Republic of China
- Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy Sciences, Wenzhou 325001, People's Republic of China
| | - Chenghu Wu
- School of Biomedical Engineering, School of Ophthalmology and Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang 325011, People's Republic of China
- Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy Sciences, Wenzhou 325001, People's Republic of China
| | - Jilong Wang
- Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy Sciences, Wenzhou 325001, People's Republic of China
| | - Ming Su
- School of Biomedical Engineering, School of Ophthalmology and Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang 325011, People's Republic of China
- Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy Sciences, Wenzhou 325001, People's Republic of China
| | - Junjie Deng
- School of Biomedical Engineering, School of Ophthalmology and Optometry and Eye Hospital, Wenzhou Medical University, Wenzhou, Zhejiang 325011, People's Republic of China
- Engineering Research Center of Clinical Functional Materials and Diagnosis & Treatment Devices of Zhejiang Province, Wenzhou Institute, University of Chinese Academy Sciences, Wenzhou 325001, People's Republic of China
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8
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Boufadi MY, Soubhye J, Van Antwerpen P. Anti-inflammatory, antioxidant effects, and bioaccessibility of Tigzirt propolis. J Food Biochem 2021; 45:e13663. [PMID: 33605470 DOI: 10.1111/jfbc.13663] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2020] [Revised: 02/01/2021] [Accepted: 02/04/2021] [Indexed: 11/27/2022]
Abstract
This work aims to assess the anti-inflammatory effects of Tigzirt propolis native to Algeria. We divided 48 male Wistar rats into 8 groups. We orally administered ethyl acetate extract of propolis (EAP), pure polyphenols compounds, or diclofenac 5 days before induction of inflammation by of carrageenan (100 μg/ml, i.p.). We determined the development of paw edema, biological parameters, myeloperoxidase activity, TNF-α, and prostaglandin E2 and measured the oxidative status parameters, as well. Finally, we analyzed the absorption and bioaccessibility of propolis in rats' plasma using GC-MS after orally dosing rats (250 mg/kg). The pretreatment by 200 and 250 mg/kg of propolis significantly reduced the edema rates after the third hour. Propolis can restore the disruption of homeostasis as well as markers of inflammation induced by carrageenan in Wistar rats, and an increase of the enzymatic activities. Furthermore, the inflammation was better resolved in rats that received propolis than in those treated with pure polyphenols. PRACTICAL APPLICATIONS: Propolis is a natural mixture that bees produce by mixing gathered resin and gums to bee saliva and wax. Our research investigated the effect of Tigzirt propolis on the inhibition of biomarkers of inflammation and the development of paw edema. Propolis extract helped to reduce PGE2, TNF-α, myeloperoxidase, and malondialdehyde levels and increase the total antioxidant levels in plasma. Our findings emphasized the use of phenolic extract of propolis in industries such as nutraceuticals for the prevention of inflammatory diseases. It can also protect the body against damage under oxidative stress.
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Affiliation(s)
- Mokhtaria Yasmina Boufadi
- Laboratory of Beneficial Microorganisms, Functional Food and Health (LMBAFS), Faculty of Natural Sciences and Life, Abdelhamid Ibn Badis University, Mostaganem, Algeria.,Laboratory of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Université Libre de Bruxelles, Brussels, Belgium
| | - Jalal Soubhye
- Laboratory of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Université Libre de Bruxelles, Brussels, Belgium
| | - Pierre Van Antwerpen
- Laboratory of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Université Libre de Bruxelles, Brussels, Belgium.,Analytical Platform of the Faculty of Pharmacy, Université Libre de Bruxelles, Brussels, Belgium
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9
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Li Z, Wu N, Wang J, Zhang Q. Roles of Endovascular Calyx Related Enzymes in Endothelial Dysfunction and Diabetic Vascular Complications. Front Pharmacol 2020; 11:590614. [PMID: 33328998 PMCID: PMC7734331 DOI: 10.3389/fphar.2020.590614] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/02/2020] [Accepted: 10/16/2020] [Indexed: 12/25/2022] Open
Abstract
In recent years, the number of diabetic patients has rapidly increased. Diabetic vascular complications seriously affect people’s quality of life. Studies found that endothelial dysfunction precedes the vascular complications of diabetes. Endothelial dysfunction is related to glycocalyx degradation on the surface of blood vessels. Heparanase (HPSE), matrix metalloproteinase (MMP), hyaluronidase (HYAL), hyaluronic acid synthase (HAS), and neuraminidase (NEU) are related to glycocalyx degradation. Therefore, we reviewed the relationship between endothelial dysfunction and the vascular complications of diabetes from the perspective of enzymes.
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Affiliation(s)
- Zhi Li
- Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China.,Lab for Marine Biology and Biotechnology, Qingdao National Lab for Marine Science and Technology, Qingdao, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Ning Wu
- Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China.,University of Chinese Academy of Sciences, Beijing, China.,Laboratory for Marine Drugs and Bioproducts, Pilot National Laboratory for Marine Science and Technology, Qingdao, China
| | - Jing Wang
- Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China.,Lab for Marine Biology and Biotechnology, Qingdao National Lab for Marine Science and Technology, Qingdao, China.,University of Chinese Academy of Sciences, Beijing, China
| | - Quanbin Zhang
- Key Laboratory of Experimental Marine Biology, Center for Ocean Mega-Science, Institute of Oceanology, Chinese Academy of Sciences, Qingdao, China.,Lab for Marine Biology and Biotechnology, Qingdao National Lab for Marine Science and Technology, Qingdao, China.,University of Chinese Academy of Sciences, Beijing, China
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10
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Meszaros M, Kis A, Kunos L, Tarnoki AD, Tarnoki DL, Lazar Z, Bikov A. The role of hyaluronic acid and hyaluronidase-1 in obstructive sleep apnoea. Sci Rep 2020; 10:19484. [PMID: 33173090 PMCID: PMC7655850 DOI: 10.1038/s41598-020-74769-4] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2020] [Accepted: 10/06/2020] [Indexed: 12/20/2022] Open
Abstract
Biological functions of hyaluronic acid (HA) depend on its molecular size. High-molecular weight HA (HMW-HA) is an important component of the endothelial wall and has anti-inflammatory and antioxidant properties. Under inflammation or hypoxia, HMW-HA is degraded by hyaluronidases, such as HYAL-1 resulting in pro-inflammatory low-molecular weight fragments. Obstructive sleep apnoea (OSA) is characterised by intermittent hypoxia and systemic inflammation. Our aim was to evaluate circulating HMW-HA and HYAL-1 in OSA. We recruited 68 patients with OSA and 40 control volunteers. After full-night sleep study blood samples were taken for HMW-HA and HYAL-1 measurements. HYAL-1 levels were significantly higher in patients with OSA compared to controls (0.59/0.31-0.88/ng/mL vs. 0.31/0.31-0.58/ng/mL; p = 0.005) after adjustment for gender, age, BMI and smoking. There was a trend for reduced HMW-HA concentrations in OSA (31.63/18.11-59.25/ng/mL vs. 46.83/25.41-89.95/ng/mL; p = 0.068). Significant correlation was detected between circulating HMW-HA and apnoea-hypopnoea-index (r = - 0.195, p = 0.043), HYAL-1 and apnoea-hypopnoea-index (r = 0.30, p < 0.01) as well as oxygen desaturation index (r = 0.26, p < 0.01). Our results suggest that chronic hypoxia is associated with increased plasma HYAL-1 concentration and accelerated HMW-HA degradation. Altered hyaluronan metabolism may be involved in the inflammatory cascade potentially leading to endothelial dysfunction in OSA.
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Affiliation(s)
- Martina Meszaros
- Department of Pulmonology, Semmelweis University, Budapest, 1083, Hungary.
| | - Adrian Kis
- Department of Pulmonology, Semmelweis University, Budapest, 1083, Hungary
| | - Laszlo Kunos
- Department of Pulmonology, Semmelweis University, Budapest, 1083, Hungary
| | | | | | - Zsofia Lazar
- Department of Pulmonology, Semmelweis University, Budapest, 1083, Hungary
| | - Andras Bikov
- Manchester University NHS Foundation Trust, Manchester, M13 9WL, UK
- Division of Infection, Immunity and Respiratory Medicine, University of Manchester, Manchester, M13 9NT, UK
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11
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Yin Q, Yang X, Li L, Xu T, Zhou W, Gu W, Ma F, Yang R. The Association Between Breast Cancer and Blood-Based Methylation of S100P and HYAL2 in the Chinese Population. Front Genet 2020; 11:977. [PMID: 33005177 PMCID: PMC7485126 DOI: 10.3389/fgene.2020.00977] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 08/03/2020] [Indexed: 02/05/2023] Open
Abstract
Previous work has shown that DNA methylation in peripheral blood may be associated with malignancy; however, these studies have mainly been conducted within Caucasian populations. Here, we investigated the association between blood-based methylation of S100 calcium-binding protein P gene (S100P) and hyaluronoglucosaminidase 2 gene (HYAL2) and breast cancer (BC) via mass spectrometry in two independent case-control studies of the Chinese population with a total of 351 BC cases and 427 cancer-free female controls. In Study I, in which subjects had an average of 45 years, hypomethylation of S100P showed a protective effect for women ≤45 years (six out of nine CpG sites, p < 0.05) but not for women >45 years. In contrast, hypomethylation of HAYL2 was not correlated with BC in women ≤45 years but was a risk factor for women >45 years (three out of four CpG sites, p < 0.05). We proposed an age-dependent correlation between BC and methylation of S100P and HYAL2 and performed further validation in Study II with older subjects (average age = 52.5 years), where hypomethylation of both S100P and HYAL2 was a risk factor for BC (p < 0.05 for 10 CpG sites) as reported in Caucasians who develop BC around 55 years old. Together with the observation that Chinese cancer-free females having variant basal methylation levels comparing to Caucasians, we assumed that blood-based methylation might be modified by ethnic background, hormone status, and lifestyle. Here, we highlighted that the epigenetic biomarkers warrant validations when its application in variant ethnic groups is considered.
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Affiliation(s)
- Qiming Yin
- Department of Epidemiology and Biostatistics, School of Public Health, Nanjing Medical University, Nanjing, China
| | - Xiaoqin Yang
- Department of Breast Surgery, West China Hospital, Sichuan University, Chengdu, China
| | - Lixi Li
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Tian Xu
- Department of Clinical Laboratory, Jiangsu Province Hospital of Chinese Medicine, Nanjing, China
| | - Wenjie Zhou
- Chengdu Shang Jin Nan Fu Hospital, West China Hospital, Sichuan University, Chengdu, China
| | - Wanjian Gu
- Department of Clinical Laboratory, Jiangsu Province Hospital of Chinese Medicine, Nanjing, China
| | - Fei Ma
- Department of Medical Oncology, National Cancer Center/National Clinical Research Center for Cancer/Cancer Hospital, Chinese Academy of Medical Sciences & Peking Union Medical College, Beijing, China
| | - Rongxi Yang
- Department of Epidemiology and Biostatistics, School of Public Health, Nanjing Medical University, Nanjing, China
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12
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Wang G, Tiemeier GL, van den Berg BM, Rabelink TJ. Endothelial Glycocalyx Hyaluronan: Regulation and Role in Prevention of Diabetic Complications. THE AMERICAN JOURNAL OF PATHOLOGY 2020; 190:781-790. [PMID: 32035886 DOI: 10.1016/j.ajpath.2019.07.022] [Citation(s) in RCA: 37] [Impact Index Per Article: 9.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2019] [Revised: 07/13/2019] [Accepted: 07/30/2019] [Indexed: 10/25/2022]
Abstract
The endothelial glycocalyx is critically involved in vascular integrity and homeostasis, by regulating vascular permeability, regulating mechanotransduction, and reducing inflammation and coagulation. The turnover of the glycocalyx is dynamic to fine-tune these processes. This is in particular true for its main structural component, hyaluronan (HA). Degradation and shedding of the glycocalyx by enzymes, such as hyaluronidase 1 and hyaluronidase 2, are responsible for regulation of the glycocalyx thickness and hence access of circulating cells and factors to the endothelial cell membrane and its receptors. This degradation process will at the same time also allow for resynthesis and adaptive chemical modification of the glycocalyx. The (re)synthesis of HA is dependent on the availability of its sugar substrates, thus linking glycocalyx biology directly to cellular glucose metabolism. It is therefore of particular interest to consider the consequences of dysregulated cellular glucose in diabetes for glycocalyx biology and its implications for endothelial function. This review summarizes the metabolic regulation of endothelial glycocalyx HA and its potential as a therapeutic target in diabetic vascular complications.
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Affiliation(s)
- Gangqi Wang
- Division of Nephrology, Department of Internal Medicine, the Einthoven Laboratory for Vascular and Regenerative Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Gesa L Tiemeier
- Division of Nephrology, Department of Internal Medicine, the Einthoven Laboratory for Vascular and Regenerative Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Bernard M van den Berg
- Division of Nephrology, Department of Internal Medicine, the Einthoven Laboratory for Vascular and Regenerative Medicine, Leiden University Medical Center, Leiden, the Netherlands
| | - Ton J Rabelink
- Division of Nephrology, Department of Internal Medicine, the Einthoven Laboratory for Vascular and Regenerative Medicine, Leiden University Medical Center, Leiden, the Netherlands.
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13
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Tseng V, Ni K, Allawzi A, Prohaska C, Hernandez-Lagunas L, Elajaili H, Cali V, Midura R, Hascall V, Triggs-Raine B, Petrache I, Hart CM, Nozik-Grayck E. Extracellular Superoxide Dismutase Regulates Early Vascular Hyaluronan Remodeling in Hypoxic Pulmonary Hypertension. Sci Rep 2020; 10:280. [PMID: 31937874 PMCID: PMC6959284 DOI: 10.1038/s41598-019-57147-7] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/09/2019] [Accepted: 12/23/2019] [Indexed: 11/29/2022] Open
Abstract
Chronic hypoxia leads to pathologic remodeling of the pulmonary vasculature and pulmonary hypertension (PH). The antioxidant enzyme extracellular superoxide dismutase (SOD3) protects against hypoxia-induced PH. Hyaluronan (HA), a ubiquitous glycosaminoglycan of the lung extracellular matrix, is rapidly recycled at sites of vessel injury and repair. We investigated the hypothesis that SOD3 preserves HA homeostasis by inhibiting oxidative and enzymatic hyaluronidase-mediated HA breakdown. In SOD3-deficient mice, hypoxia increased lung hyaluronidase expression and activity, hyaluronan fragmentation, and effacement of HA from the vessel wall of small pulmonary arteries. Hyaluronan fragmentation corresponded to hypoxic induction of the cell surface hyaluronidase-2 (Hyal2), which was localized in the vascular media. Human pulmonary artery smooth muscle cells (HPASMCs) demonstrated hypoxic induction of Hyal2 and SOD-suppressible hyaluronidase activity, congruent to our observations in vivo. Fragmentation of homeostatic high molecular weight HA promoted HPASMC proliferation in vitro, whereas pharmacologic inhibition of hyaluronidase activity prevented hypoxia- and oxidant-induced proliferation. Hypoxia initiates SOD3-dependent alterations in the structure and regulation of hyaluronan in the pulmonary vascular extracellular matrix. These changes occurred soon after hypoxia exposure, prior to appearance of PH, and may contribute to the early pathogenesis of this disease.
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Affiliation(s)
- Victor Tseng
- Emory University Department of Medicine, Atlanta, GA, USA
| | - Kevin Ni
- Indiana University School of Medicine, Indianapolis, IN, USA
| | - Ayed Allawzi
- Cardiovascular and Pulmonary Research, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Clare Prohaska
- Indiana University School of Medicine, Indianapolis, IN, USA
| | - Laura Hernandez-Lagunas
- Cardiovascular and Pulmonary Research, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Hanan Elajaili
- Cardiovascular and Pulmonary Research, University of Colorado Anschutz Medical Campus, Aurora, CO, USA
| | - Valbona Cali
- Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Ronald Midura
- Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Vincent Hascall
- Lerner Research Institute, Cleveland Clinic, Cleveland, OH, USA
| | - Barbara Triggs-Raine
- Department of Biochemistry and Medical Genetics, University of Manitoba, Winnipeg, MB, Canada
| | - Irina Petrache
- Department of Medicine, National Jewish Health, Denver, CO, USA
| | - C Michael Hart
- Emory University Department of Medicine, Atlanta, GA, USA
| | - Eva Nozik-Grayck
- Department of Pediatrics, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.
- Cardiovascular and Pulmonary Research, University of Colorado Anschutz Medical Campus, Aurora, CO, USA.
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14
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Torres-Carro R, Ana Y, Rojas-Márquez JD, Stempin CC, Zampini IC, Isla MI, Alberto MR. Argentinean Puna Plants with In Vitro Antioxidant and Anti-Inflammatory Activities as a Potential Nutraceutical. J Food Sci 2019; 84:3352-3363. [PMID: 31782531 DOI: 10.1111/1750-3841.14957] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/27/2018] [Revised: 09/25/2019] [Accepted: 10/19/2019] [Indexed: 02/06/2023]
Abstract
Parastrephia lucida (Compositae), Tessaria absinthioides (Compositae), and Ephedra multiflora (Ephedraceae), three plant species from the Argentinean Puna (3600 m.a.s.l.) were selected for their anti-inflammatory and antioxidant properties to prepare mixtures to evaluate their use as nutraceuticals. Seven binary and ternary herbal mixtures made of ethanol 20% extracts of the selected plant species were prepared (Mixtures A to G), and they were analyzed for their effect on proinflammatory enzymes and their antioxidant activity in two cellular systems and in cell free systems. Toxicity tests were also carried out, and they were analyzed by high-performance liquid chromatography with a diode-array detector (HPLC-DAD) to quantify chemical markers. Mix A (equal parts of the three selected plant species) showed an important inhibitory capacity of different proinflammatory enzymes. Its potency on COX-2 was also higher than that of ibuprofen. Mix A and Mix G (P. lucida and T. absinthioides 1:1) showed a high antioxidant capacity in cellular and in cell-free systems. Toxicity assays further demonstrated their safety. This work shows the potential use of herbal mixtures made of medicinal plant species from the Argentinean Puna as nutraceutical or dietary supplements with antioxidant and anti-inflammatory activities. PRACTICAL APPLICATION: P. lucida, T. absinthioides, and E. multiflora are three plant species that are commonly used by Argentinean Puna inhabitants with medicinal purposes. Their proven safety, their antioxidant activity as well as their capacity to inhibit different proinflammatory enzymes make them attractive candidates to be used in combination as part of a dietary supplement aimed to prevent or palliate gastrointestinal and systemic inflammatory diseases. The use of native plant species as an alternative to more common and commercial plant species would have a positive impact on local communities' economies.
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Affiliation(s)
- Romina Torres-Carro
- Inst. de Bioprospección y Fisiología Vegetal (INBIOFIV, CONICET-UNT), San Lorenzo 1469, 4000, San Miguel de Tucumán, Argentina
| | - Yamile Ana
- Facultad de Ciencias Naturales e Inst. Miguel Lillo, Univ. Nacional de Tucumán, Miguel Lillo 205, 4000, San Miguel de Tucumán, Argentina.,Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI, CONICET-UNC), Haya de la Torre y Medina Allende, Ciudad Universitaria, 5000, Córdoba, Argentina.,Dept. de Bioquímica Clínica, Facultad de Ciencias Químicas, Univ. Nacional de Córdoba, Haya de la Torre y Medina Allende, Ciudad Universitaria, 5000, Córdoba, Argentina
| | - Jorge David Rojas-Márquez
- Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI, CONICET-UNC), Haya de la Torre y Medina Allende, Ciudad Universitaria, 5000, Córdoba, Argentina.,Dept. de Bioquímica Clínica, Facultad de Ciencias Químicas, Univ. Nacional de Córdoba, Haya de la Torre y Medina Allende, Ciudad Universitaria, 5000, Córdoba, Argentina
| | - Cinthia Carolina Stempin
- Centro de Investigaciones en Bioquímica Clínica e Inmunología (CIBICI, CONICET-UNC), Haya de la Torre y Medina Allende, Ciudad Universitaria, 5000, Córdoba, Argentina.,Dept. de Bioquímica Clínica, Facultad de Ciencias Químicas, Univ. Nacional de Córdoba, Haya de la Torre y Medina Allende, Ciudad Universitaria, 5000, Córdoba, Argentina
| | - Iris Catiana Zampini
- Inst. de Bioprospección y Fisiología Vegetal (INBIOFIV, CONICET-UNT), San Lorenzo 1469, 4000, San Miguel de Tucumán, Argentina.,Facultad de Ciencias Naturales e Inst. Miguel Lillo, Univ. Nacional de Tucumán, Miguel Lillo 205, 4000, San Miguel de Tucumán, Argentina
| | - María Inés Isla
- Inst. de Bioprospección y Fisiología Vegetal (INBIOFIV, CONICET-UNT), San Lorenzo 1469, 4000, San Miguel de Tucumán, Argentina.,Facultad de Ciencias Naturales e Inst. Miguel Lillo, Univ. Nacional de Tucumán, Miguel Lillo 205, 4000, San Miguel de Tucumán, Argentina
| | - María Rosa Alberto
- Inst. de Biotecnología Farmacéutica y Alimentaria (INBIOFAL, CONICET-UNT), Avenida N Kirchner 1900, 4000, San Miguel de Tucumán, Argentina
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15
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Krupkova O, Greutert H, Boos N, Lemcke J, Liebscher T, Wuertz-Kozak K. Expression and activity of hyaluronidases HYAL-1, HYAL-2 and HYAL-3 in the human intervertebral disc. EUROPEAN SPINE JOURNAL : OFFICIAL PUBLICATION OF THE EUROPEAN SPINE SOCIETY, THE EUROPEAN SPINAL DEFORMITY SOCIETY, AND THE EUROPEAN SECTION OF THE CERVICAL SPINE RESEARCH SOCIETY 2019; 29:605-615. [PMID: 31758257 DOI: 10.1007/s00586-019-06227-3] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/14/2019] [Revised: 10/03/2019] [Accepted: 11/16/2019] [Indexed: 12/12/2022]
Abstract
PURPOSE Hyaluronic acid plays an essential role in water retention of the intervertebral disc (IVD) and thus provides flexibility and shock absorbance in the spine. Hyaluronic acid gets degraded by hyaluronidases (HYALs), and some of the resulting fragments were previously shown to induce an inflammatory and catabolic response in human IVD cells. However, no data currently exist on the expression and activity of HYALs in IVD health and disease. METHODS Gene expression, protein expression and activity of HYALs were determined in human IVD biopsies with different degrees of degeneration (n = 50 total). Furthermore, freshly isolated human IVD cells (n = 23 total) were stimulated with IL-1β, TNF-α or H2O2, followed by analysis of HYAL-1, HYAL-2 and HYAL-3 gene expression. RESULTS Gene expression of HYAL-1 and protein expression of HYAL-2 significantly increased in moderate/severe disc samples when compared to samples with no or low IVD degeneration. HYAL activity was not significantly increased due to high donor-donor variation, but seemed overall higher in the moderate/severe group. An inflammatory environment, as seen during IVD disease, did not affect HYAL-1, HYAL-2 or HYAL-3 expression, whereas exposure to oxidative stress (100 µM H2O2) upregulated HYAL-2 expression relative to untreated controls. CONCLUSION Although HYAL-1, HYAL-2 and HYAL-3 are all expressed in the IVD, HYAL-2 seems to have the highest pathophysiological relevance. Nonetheless, further studies will be needed to comprehensively elucidate its significance and to determine its potential as a therapeutic target. These slides can be retrieved under Electronic Supplementary Material.
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Affiliation(s)
- Olga Krupkova
- Institute for Biomechanics, ETH Zurich, Hoenggerbergring 64, 8093, Zurich, Switzerland
| | - Helen Greutert
- Institute for Biomechanics, ETH Zurich, Hoenggerbergring 64, 8093, Zurich, Switzerland
| | - Norbert Boos
- Prodorso Spine Center, Walchestrasse 15, 8006, Zurich, Switzerland
| | - Johannes Lemcke
- Treatment Centre for Spinal Cord Injuries, Trauma Hospital Berlin, Warener Str. 7, 12683, Berlin, Germany
| | - Thomas Liebscher
- Treatment Centre for Spinal Cord Injuries, Trauma Hospital Berlin, Warener Str. 7, 12683, Berlin, Germany
| | - Karin Wuertz-Kozak
- Institute for Biomechanics, ETH Zurich, Hoenggerbergring 64, 8093, Zurich, Switzerland. .,Department of Biomedical Engineering, Rochester Institute of Technology (RIT), 160 Lomb Memorial Drive Bldg. 73, Rochester, NY, 14623, USA. .,Schön Clinic Munich Harlaching, Spine Center, Academic Teaching Hospital and Spine Research Institute of the Paracelsus Medical University Salzburg (Austria), Harlachinger Str. 51, 81547, Munich, Germany.
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16
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Petrey AC, Obery DR, Kessler SP, Zawerton A, Flamion B, de la Motte CA. Platelet hyaluronidase-2 regulates the early stages of inflammatory disease in colitis. Blood 2019; 134:765-775. [PMID: 31262781 PMCID: PMC6716076 DOI: 10.1182/blood.2018893594] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/21/2018] [Accepted: 06/12/2019] [Indexed: 12/31/2022] Open
Abstract
Platelets are specialized cells essential for hemostasis that also function as crucial effectors capable of mediating inflammatory and immune responses. These sentinels continually survey their environment and discriminate between homeostatic and danger signals such as modified components of the extracellular matrix. The glycosaminoglycan hyaluronan (HA) is a major extracellular matrix component that coats the vascular lumen and, under normal conditions, restricts access of inflammatory cells. In response to tissue damage, the endothelial HA matrix enhances leukocyte recruitment and regulates the early stages of the inflammatory response. We have shown that platelets can degrade HA from the surface of activated endothelial cells via the enzyme hyaluronidase-2 (HYAL2) and that HYAL2 is deficient in platelets isolated from patients with inflammatory bowel disease (IBD). Platelets are known to be involved in the pathogenesis of several chronic disease states, including IBD, but they have been largely overlooked in the context of intestinal inflammation. We therefore wanted to define the mechanism by which platelet HYAL2 regulates the inflammatory response during colitis. In this study, we provide evidence that HA catabolism is disrupted in human intestinal microvascular endothelial cells isolated from patients with IBD. Furthermore, mice deficient in HYAL2 are more susceptible to an acute model of colitis, and this increased susceptibility is abrogated by transfusion of HYAL2-competent platelets. Finally, we show that platelets, via HYAL2-dependent degradation of endothelial HA, regulate the early stages of inflammation in colitis by limiting leukocyte extravasation.
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Affiliation(s)
- Aaron C Petrey
- Department of Inflammation and Immunity, Cleveland Clinic Lerner Research Institute, Cleveland, OH; and
| | - Dana R Obery
- Department of Inflammation and Immunity, Cleveland Clinic Lerner Research Institute, Cleveland, OH; and
| | - Sean P Kessler
- Department of Inflammation and Immunity, Cleveland Clinic Lerner Research Institute, Cleveland, OH; and
| | - Ash Zawerton
- Department of Inflammation and Immunity, Cleveland Clinic Lerner Research Institute, Cleveland, OH; and
| | - Bruno Flamion
- Molecular Physiology Research Unit, Namur Research Institute for Life Sciences, University of Namur, Namur, Belgium
| | - Carol A de la Motte
- Department of Inflammation and Immunity, Cleveland Clinic Lerner Research Institute, Cleveland, OH; and
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17
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Lenga Ma Bonda W, Iochmann S, Magnen M, Courty Y, Reverdiau P. Kallikrein-related peptidases in lung diseases. Biol Chem 2019; 399:959-971. [PMID: 29604204 DOI: 10.1515/hsz-2018-0114] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2018] [Accepted: 03/26/2018] [Indexed: 02/06/2023]
Abstract
Human tissue kallikreins (KLKs) are 15 members of the serine protease family and are present in various healthy human tissues including airway tissues. Multiple studies have revealed their crucial role in the pathophysiology of a number of chronic, infectious and tumour lung diseases. KLK1, 3 and 14 are involved in asthma pathogenesis, and KLK1 could be also associated with the exacerbation of this inflammatory disease caused by rhinovirus. KLK5 was demonstrated as an influenza virus activating protease in humans, and KLK1 and 12 could also be involved in the activation and spread of these viruses. KLKs are associated with lung cancer, with up- or downregulation of expression depending on the KLK, cancer subtype, stage of tumour and also the microenvironment. Functional studies showed that KLK12 is a potent pro-angiogenic factor. Moreover, KLK6 promotes malignant-cell proliferation and KLK13 invasiveness. In contrast, KLK8 and KLK10 reduce proliferation and invasion of malignant cells. Considering the involvement of KLKs in various physiological and pathological processes, KLKs appear to be potential biomarkers and therapeutic targets for lung diseases.
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Affiliation(s)
- Woodys Lenga Ma Bonda
- Centre d'Etude des Pathologies Respiratoires, INSERM UMR 1100, Faculté de Médecine, 10 Boulevard Tonnellé, F-37032 Tours, France.,Université de Tours, F-37032 Tours, France
| | - Sophie Iochmann
- Centre d'Etude des Pathologies Respiratoires, INSERM UMR 1100, Faculté de Médecine, 10 Boulevard Tonnellé, F-37032 Tours, France.,Université de Tours, F-37032 Tours, France.,IUT de Tours, Université de Tours, F-37082 Tours, France
| | - Mélia Magnen
- Centre d'Etude des Pathologies Respiratoires, INSERM UMR 1100, Faculté de Médecine, 10 Boulevard Tonnellé, F-37032 Tours, France.,Université de Tours, F-37032 Tours, France
| | - Yves Courty
- Centre d'Etude des Pathologies Respiratoires, INSERM UMR 1100, Faculté de Médecine, 10 Boulevard Tonnellé, F-37032 Tours, France.,Université de Tours, F-37032 Tours, France
| | - Pascale Reverdiau
- Centre d'Etude des Pathologies Respiratoires, INSERM UMR 1100, Faculté de Médecine, 10 Boulevard Tonnellé, F-37032 Tours, France.,Université de Tours, F-37032 Tours, France.,IUT de Tours, Université de Tours, F-37082 Tours, France
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18
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Shamskhou EA, Kratochvil MJ, Orcholski ME, Nagy N, Kaber G, Steen E, Balaji S, Yuan K, Keswani S, Danielson B, Gao M, Medina C, Nathan A, Chakraborty A, Bollyky PL, De Jesus Perez VA. Hydrogel-based delivery of Il-10 improves treatment of bleomycin-induced lung fibrosis in mice. Biomaterials 2019; 203:52-62. [PMID: 30852423 DOI: 10.1016/j.biomaterials.2019.02.017] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2018] [Revised: 02/12/2019] [Accepted: 02/14/2019] [Indexed: 02/06/2023]
Abstract
Idiopathic pulmonary fibrosis (IPF) is a life-threatening progressive lung disorder with limited therapeutic options. While interleukin-10 (IL-10) is a potent anti-inflammatory and anti-fibrotic cytokine, its utility in treating lung fibrosis has been limited by its short half-life. We describe an innovative hydrogel-based approach to deliver recombinant IL-10 to the lung for the prevention and reversal of pulmonary fibrosis in a mouse model of bleomycin-induced lung injury. Our studies show that a hyaluronan and heparin-based hydrogel system locally delivers IL-10 by capitalizing on the ability of heparin to reversibly bind IL-10 without bleeding or other complications. This formulation is significantly more effective than soluble IL-10 for both preventing and reducing collagen deposition in the lung parenchyma after 7 days of intratracheal administration. The anti-fibrotic effect of IL-10 in this system is dependent on suppression of TGF-β driven collagen production by lung fibroblasts and myofibroblasts. We conclude that hydrogel-based delivery of IL-10 to the lung is a promising therapy for fibrotic lung disorders.
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Affiliation(s)
- Elya A Shamskhou
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Stanford University, Stanford, CA, 94305, USA
| | - Michael J Kratochvil
- Department of Materials Science and Engineering, Stanford University, Stanford, CA, 94305, USA; Department of Medicine, Division of Infectious Disease, Stanford University, Stanford, CA, 94305, USA
| | - Mark E Orcholski
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Stanford University, Stanford, CA, 94305, USA
| | - Nadine Nagy
- Department of Medicine, Division of Infectious Disease, Stanford University, Stanford, CA, 94305, USA
| | - Gernot Kaber
- Department of Medicine, Division of Infectious Disease, Stanford University, Stanford, CA, 94305, USA
| | - Emily Steen
- Department of Surgery, Division of Pediatric Surgery, Baylor College of Medicine and Texas Children's Hospital, Houston, TX, 77030, USA
| | - Swathi Balaji
- Department of Surgery, Division of Pediatric Surgery, Baylor College of Medicine and Texas Children's Hospital, Houston, TX, 77030, USA
| | - Ke Yuan
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Stanford University, Stanford, CA, 94305, USA
| | - Sundeep Keswani
- Department of Surgery, Division of Pediatric Surgery, Baylor College of Medicine and Texas Children's Hospital, Houston, TX, 77030, USA
| | - Ben Danielson
- Department of Medicine, Division of Infectious Disease, Stanford University, Stanford, CA, 94305, USA
| | - Max Gao
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Stanford University, Stanford, CA, 94305, USA
| | - Carlos Medina
- Department of Medicine, Division of Infectious Disease, Stanford University, Stanford, CA, 94305, USA
| | - Abinaya Nathan
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Stanford University, Stanford, CA, 94305, USA
| | - Ananya Chakraborty
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Stanford University, Stanford, CA, 94305, USA
| | - Paul L Bollyky
- Department of Medicine, Division of Infectious Disease, Stanford University, Stanford, CA, 94305, USA
| | - Vinicio A De Jesus Perez
- Department of Medicine, Division of Pulmonary and Critical Care Medicine, Stanford University, Stanford, CA, 94305, USA.
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19
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Reeves SR, Kang I, Chan CK, Barrow KA, Kolstad TK, White MP, Ziegler SF, Wight TN, Debley JS. Asthmatic bronchial epithelial cells promote the establishment of a Hyaluronan-enriched, leukocyte-adhesive extracellular matrix by lung fibroblasts. Respir Res 2018; 19:146. [PMID: 30071849 PMCID: PMC6090698 DOI: 10.1186/s12931-018-0849-1] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2018] [Accepted: 07/23/2018] [Indexed: 02/07/2023] Open
Abstract
Background Airway inflammation is a hallmark of asthma. Alterations in extracellular matrix (ECM) hyaluronan (HA) content have been shown to modulate the recruitment and retention of inflammatory cells. Bronchial epithelial cells (BECs) regulate the activity of human lung fibroblasts (HLFs); however, their contribution in regulating HLF production of HA in asthma is unknown. In this study, we tested the hypothesis that BECs from asthmatic children promote the generation of a pro-inflammatory, HA-enriched ECM by HLFs, which promotes the retention of leukocytes. Methods BECs were obtained from well-characterized asthmatic and healthy children ages 6–18 years. HLFs were co-cultured with BECs for 96 h and samples were harvested for analysis of gene expression, synthesis and accumulation of HA, and subjected to a leukocyte adhesion assay with U937 monocytes. Results We observed increased expression of HA synthases HAS2 and HAS3 in HLFs co-cultured with asthmatic BECs. Furthermore, we demonstrated greater total accumulation and increased synthesis of HA by HLFs co-cultured with asthmatic BECs compared to healthy BEC/HLF co-cultures. ECM generated by HLFs co-cultured with asthmatic BECs displayed increased HA-dependent adhesion of leukocytes in a separate in vitro binding assay. Conclusions Our findings demonstrate that BEC regulation of HA production by HLFs is altered in asthma, which may in turn promote the establishment of a more leukocyte-permissive ECM promoting airway inflammation in this disease. Electronic supplementary material The online version of this article (10.1186/s12931-018-0849-1) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- Stephen R Reeves
- Division of Pulmonary and Sleep Medicine, Seattle Children's Hospital, 4800 Sand Point Way NE, Seattle, WA, 98105, USA. .,Center for Immunity and Immunotherapies, Seattle Children's Research Institute, Seattle, WA, USA. .,Department of Pediatrics, University of Washington, Seattle, WA, USA.
| | - Inkyung Kang
- Matrix Biology Program, Benaroya Research Institute, Seattle, WA, USA
| | - Christina K Chan
- Matrix Biology Program, Benaroya Research Institute, Seattle, WA, USA
| | - Kaitlyn A Barrow
- Center for Immunity and Immunotherapies, Seattle Children's Research Institute, Seattle, WA, USA
| | - Tessa K Kolstad
- Center for Immunity and Immunotherapies, Seattle Children's Research Institute, Seattle, WA, USA
| | - Maria P White
- Center for Immunity and Immunotherapies, Seattle Children's Research Institute, Seattle, WA, USA
| | - Steven F Ziegler
- Immunology Program, Benaroya Research Institute, Seattle, WA, USA
| | - Thomas N Wight
- Matrix Biology Program, Benaroya Research Institute, Seattle, WA, USA
| | - Jason S Debley
- Division of Pulmonary and Sleep Medicine, Seattle Children's Hospital, 4800 Sand Point Way NE, Seattle, WA, 98105, USA.,Center for Immunity and Immunotherapies, Seattle Children's Research Institute, Seattle, WA, USA.,Department of Pediatrics, University of Washington, Seattle, WA, USA
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Wight TN, Frevert CW, Debley JS, Reeves SR, Parks WC, Ziegler SF. Interplay of extracellular matrix and leukocytes in lung inflammation. Cell Immunol 2017; 312:1-14. [PMID: 28077237 PMCID: PMC5290208 DOI: 10.1016/j.cellimm.2016.12.003] [Citation(s) in RCA: 74] [Impact Index Per Article: 10.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2016] [Revised: 12/21/2016] [Accepted: 12/22/2016] [Indexed: 12/13/2022]
Abstract
During inflammation, leukocytes influx into lung compartments and interact with extracellular matrix (ECM). Two ECM components, versican and hyaluronan, increase in a range of lung diseases. The interaction of leukocytes with these ECM components controls leukocyte retention and accumulation, proliferation, migration, differentiation, and activation as part of the inflammatory phase of lung disease. In addition, bronchial epithelial cells from asthmatic children co-cultured with human lung fibroblasts generate an ECM that is adherent for monocytes/macrophages. Macrophages are present in both early and late lung inflammation. Matrix metalloproteinase 10 (MMP10) is induced in alveolar macrophages with injury and infection and modulates macrophage phenotype and their ability to degrade collagenous ECM components. Collectively, studies outlined in this review highlight the importance of specific ECM components in the regulation of inflammatory events in lung disease. The widespread involvement of these ECM components in the pathogenesis of lung inflammation make them attractive candidates for therapeutic intervention.
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Affiliation(s)
- Thomas N Wight
- Matrix Biology Program, Benaroya Research Institute at Virginia Mason, Seattle, WA, USA.
| | - Charles W Frevert
- Department of Comparative Medicine, University of Washington, Seattle, WA, USA
| | - Jason S Debley
- Center for Immunity and Immunotherapies, Seattle Children's Research Institute, and Department of Pediatrics, University of Washington School of Medicine, Seattle, WA, USA
| | - Stephen R Reeves
- Center for Immunity and Immunotherapies, Seattle Children's Research Institute, and Department of Pediatrics, University of Washington School of Medicine, Seattle, WA, USA
| | - William C Parks
- Department of Medicine, Cedars-Sinai Medical Center, Los Angeles, CA, USA
| | - Steven F Ziegler
- Immunology Program, Benaroya Research Institute at Virginia Mason, Seattle, WA, USA
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Hyaluronidase 2 (HYAL2) is expressed in endothelial cells, as well as some specialized epithelial cells, and is required for normal hyaluronan catabolism. Histochem Cell Biol 2015; 145:53-66. [PMID: 26515055 DOI: 10.1007/s00418-015-1373-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 10/08/2015] [Indexed: 02/07/2023]
Abstract
Hyaluronidase 2 (HYAL2) is a membrane-anchored protein that is proposed to initiate the degradation of hyaluronan (HA) in the extracellular matrix. The distribution of HYAL2 in tissues, and of HA in tissues lacking HYAL2, is largely unexplored despite the importance of HA metabolism in several disease processes. Herein, we use immunoblot and histochemical analyses to detect HYAL2 and HA in mouse tissues, as well as agarose gel electrophoresis to examine the size of HA. HYAL2 was detected in all tissues that were examined, including the brain. It was localized to the surface and cytoplasm of endothelial cells, as well as specialized epithelial cells in several tissues, including the skin. Accumulated HA, often of higher molecular mass than that in control tissues, was detected in tissues from Hyal2 (-/-) mice. The accumulating HA was located near to where HYAL2 is normally found, although in some tissues, it was distant from the site of HYAL2 localization. Overall, HYAL2 was highest in tissues that remove HA from the circulation (liver, lymph node and spleen), but the levels of HA accumulation in Hyal2 (-/-) mice were highest in tissues that catabolize locally synthesized HA. Our results support HYAL2's role as an extracellular enzyme that initiates HA breakdown in somatic tissues. However, our findings also suggest that HYAL2 contributes to HA degradation through other routes, perhaps as a soluble or secreted form.
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Lauer ME, Majors AK, Comhair S, Ruple LM, Matuska B, Subramanian A, Farver C, Dworski R, Grandon D, Laskowski D, Dweik RA, Erzurum SC, Hascall VC, Aronica MA. Hyaluronan and Its Heavy Chain Modification in Asthma Severity and Experimental Asthma Exacerbation. J Biol Chem 2015. [PMID: 26209637 DOI: 10.1074/jbc.m115.663823] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Hyaluronan (HA) is a large (>1500 kDa) polysaccharide of the extracellular matrix that has been linked to severity and inflammation in asthma. During inflammation, HA becomes covalently modified with heavy chains (HC-HA) from inter-α-inhibitor (IαI), which functions to increase its avidity for leukocytes. Our murine model of allergic pulmonary inflammation suggested that HC-HA may contribute to inflammation, adversely effecting lower airway remodeling and asthma severity. Our objective was to characterize the levels of HA and HC-HA in asthmatic subjects and to correlate these levels with asthma severity. We determined the levels and distribution of HA and HC-HA (i) from asthmatic and control lung tissue, (ii) in bronchoalveolar lavage fluid obtained from non-severe and severe asthmatics and controls, and (iii) in serum and urine from atopic asthmatics after an experimental asthma exacerbation. HC-HA distribution was observed (i) in the thickened basement membrane of asthmatic lower airways, (ii) around smooth muscle cells of the asthmatic submucosa, and (iii) around reserve cells of the asthmatic epithelium. Patients with severe asthma had increased HA levels in bronchoalveolar lavage fluid that correlated with pulmonary function and nitric oxide levels, whereas HC-HA was only observed in a patient with non-severe asthma. After an experimental asthma exacerbation, serum HA was increased within 4 h after challenge and remained elevated through 5 days after challenge. Urine HA and HC-HA were not significantly different. These data implicate HA and HC-HA in the pathogenesis of asthma severity that may occur in part due to repetitive asthma exacerbations over the course of the disease.
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Affiliation(s)
- Mark E Lauer
- From the Pediatric Institute and the Departments of Biomedical Engineering
| | | | | | | | | | - Ahila Subramanian
- the Respiratory Institute, Cleveland Clinic, Lerner Research Institute, Cleveland, Ohio 44195 and
| | | | - Ryszard Dworski
- Division of Allergy, Pulmonary, and Critical Care Medicine, Vanderbilt University School of Medicine, Nashville, Tennessee 37232
| | | | - Dan Laskowski
- Pathobiology, the Respiratory Institute, Cleveland Clinic, Lerner Research Institute, Cleveland, Ohio 44195 and
| | - Raed A Dweik
- Pathobiology, the Respiratory Institute, Cleveland Clinic, Lerner Research Institute, Cleveland, Ohio 44195 and
| | - Serpil C Erzurum
- Pathobiology, the Respiratory Institute, Cleveland Clinic, Lerner Research Institute, Cleveland, Ohio 44195 and
| | | | - Mark A Aronica
- Pathobiology, the Respiratory Institute, Cleveland Clinic, Lerner Research Institute, Cleveland, Ohio 44195 and
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23
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Schmaus A, Bauer J, Sleeman JP. Sugars in the microenvironment: the sticky problem of HA turnover in tumors. Cancer Metastasis Rev 2015; 33:1059-79. [PMID: 25324146 DOI: 10.1007/s10555-014-9532-2] [Citation(s) in RCA: 34] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 12/14/2022]
Abstract
The properties and behavior of tumor cells are closely regulated by their microenvironment. Accordingly, stromal cells and extracellular matrix components can have a pronounced effect on cancer initiation, growth, and progression. The linear glycosaminoglycan hyaluronan (HA) is a major component of the extracellular matrix. Altered synthesis and degradation of HA in the tumor context has been implicated in many aspects of tumor biology. In particular, the accumulation of small HA oligosaccharides (sHA) in the tumor interstitial space may play a decisive role, due to the ability of sHA to activate a number of biological processes that are not modulated by high molecular weight (HMW)-HA. In this article, we review the normal physiological role and metabolism of HA and then survey the evidence implicating HA in tumor growth and progression, focusing in particular on the potential contribution of sHA to these processes.
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Affiliation(s)
- Anja Schmaus
- Institut für Toxikologie und Genetik, Karlsruhe Institute for Technology (KIT), Campus Nord, Postfach 3640, 76021, Karlsruhe, Germany
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Yatagai Y, Sakamoto T, Yamada H, Masuko H, Kaneko Y, Iijima H, Naito T, Noguchi E, Hirota T, Tamari M, Konno S, Nishimura M, Hizawa N. Genomewide association study identifies HAS2 as a novel susceptibility gene for adult asthma in a Japanese population. Clin Exp Allergy 2015; 44:1327-34. [PMID: 25251750 DOI: 10.1111/cea.12415] [Citation(s) in RCA: 22] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2014] [Revised: 07/16/2014] [Accepted: 07/21/2014] [Indexed: 01/16/2023]
Abstract
BACKGROUND It is increasingly clear that asthma is not a single disease, but a disorder with vast heterogeneity in pathogenesis, severity, and treatment response. To date, 30 genomewide association studies (GWASs) of asthma have been performed, including by our group. However, most gene variants identified so far confer relatively small increments in risk and explain only a small proportion of familial clustering. OBJECTIVE To identify additional genetic determinants of susceptibility to asthma using a selected Japanese population with reduced tobacco smoking exposure. METHODS We performed a GWAS by genotyping a total of 480 098 single-nucleotide polymorphisms (SNPs) for a Japanese cohort consisting of 734 healthy controls and 240 patients with asthma who had smoked for no more than 10 pack-years. The SNP with the strongest association was genotyped in two other independent Japanese cohorts consisting of a total of 531 healthy controls and 418 patients with asthma who had smoked for no more than 10 pack-years. For the hyaluronan synthase 2 (HAS2) gene, we investigated SNP-gene associations using an expression quantitative trait loci (eQTL) database and also analysed its gene expression profiles in 13 different normal tissues. RESULTS In the discovery GWAS, a SNP located upstream of HAS2, rs7846389, showed the strongest statistical significance (P = 1.43 × 10(-7) ). In the two independent replication cohorts, rs7846389 was consistently associated with asthma (nominal P = 0.0152 and 0.0478 in the first and second replication cohorts, respectively). In the meta-analysis, association of rs7846389 with susceptibility to asthma reached the level of genomewide significance (P = 7.92 × 10(-9) ). This variant was strongly correlated with HAS2 mRNA expression. The strongest expression of the gene was detected in the lung. CONCLUSIONS Our study identified HAS2 as a novel candidate gene for susceptibility to adult asthma.
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Affiliation(s)
- Y Yatagai
- Department of Pulmonary Medicine, Faculty of Medicine, University of Tsukuba, Ibaraki, Japan
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Kim Y, Eom S, Park D, Kim H, Jeoung D. The Hyaluronic Acid-HDAC3-miRNA Network in Allergic Inflammation. Front Immunol 2015; 6:210. [PMID: 25983734 PMCID: PMC4415435 DOI: 10.3389/fimmu.2015.00210] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2015] [Accepted: 04/17/2015] [Indexed: 12/19/2022] Open
Abstract
We previously reported the anti-allergic effect of high molecular weight form of hyaluronic acid (HMW-HA). In doing so, HA targets CD44 and inhibits FcεRI signaling and cross-talk between epidermal growth factor receptor (EGFR) and FcεRI. We previously reported the role of histone deacetylases (HDACs) in allergic inflammation and allergic inflammation-promoted enhanced tumorigenic potential. We reported regulatory role of HA in the expression of HDAC3. In this review, we will discuss molecular mechanisms associated with anti-allergic effect of HA in relation with HDACs. The role of microRNAs (miRNAs) in allergic inflammation has been reported. We will also discuss the role of miRNAs in allergic inflammation in relation with HA-mediated anti-allergic effects.
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Affiliation(s)
- Youngmi Kim
- Department of Biochemistry, College of Natural Sciences, Kangwon National University , Chuncheon , South Korea
| | - Sangkyung Eom
- Department of Biochemistry, College of Natural Sciences, Kangwon National University , Chuncheon , South Korea
| | - Deokbum Park
- Department of Biochemistry, College of Natural Sciences, Kangwon National University , Chuncheon , South Korea
| | - Hyuna Kim
- Department of Biochemistry, College of Natural Sciences, Kangwon National University , Chuncheon , South Korea
| | - Dooil Jeoung
- Department of Biochemistry, College of Natural Sciences, Kangwon National University , Chuncheon , South Korea
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26
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Schmaus A, Sleeman JP. Hyaluronidase-1 expression promotes lung metastasis in syngeneic mouse tumor models without affecting accumulation of small hyaluronan oligosaccharides in tumor interstitial fluid. Glycobiology 2014; 25:258-68. [PMID: 25354852 DOI: 10.1093/glycob/cwu106] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
Enhanced levels in tumors of hyaluronan, a glycosaminoglycan component of the extracellular matrix, and hyaluronidases such as hyaluronidase-1 (Hyal1) that degrade hyaluronan have both been linked to poor prognosis and metastasis, suggesting that the turnover of hyaluronan might contribute to tumor progression. Small hyaluronan oligosaccharides (sHA) can accumulate in tumor interstitial fluid (TIF), and have been implicated in a number of processes that drive tumor progression, including MMP expression and angiogenesis. The properties of Hyal1 suggest that it might contribute to the degradation of hyaluronan in tumors and the subsequent accumulation of sHA. Accumulation of Hyal1-produced sHA may therefore account for the association between Hyal1 and metastasis. Here we have investigated this hypothesis using mouse syngeneic breast tumor models. Specifically, we modulated Hyal1 expression and activity either in the tumor cells themselves, or in the stromal compartment by using Hyal1 knockout (KO) mice. These approaches did not change sHA levels in TIF, but nevertheless fostered metastasis to the lung in some of the models used in the study. Together, these data suggest that Hyal1 can promote lung metastasis in a manner that is not dependent on altered accumulation of sHA in TIF.
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Affiliation(s)
- Anja Schmaus
- Medical Faculty Mannheim, Centre for Biomedicine and Medical Technology Mannheim (CBTM), University of Heidelberg, Mannheim 68167, Germany Karlsruhe Institute of Technology (KIT), Campus Nord, Institut für Toxikologie und Genetik, Postfach 3640, Karlsruhe 76021, Germany
| | - Jonathan P Sleeman
- Medical Faculty Mannheim, Centre for Biomedicine and Medical Technology Mannheim (CBTM), University of Heidelberg, Mannheim 68167, Germany Karlsruhe Institute of Technology (KIT), Campus Nord, Institut für Toxikologie und Genetik, Postfach 3640, Karlsruhe 76021, Germany
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Olofsson B, Porsch H, Heldin P. Knock-down of CD44 regulates endothelial cell differentiation via NFκB-mediated chemokine production. PLoS One 2014; 9:e90921. [PMID: 24614402 PMCID: PMC3948721 DOI: 10.1371/journal.pone.0090921] [Citation(s) in RCA: 36] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2013] [Accepted: 02/06/2014] [Indexed: 12/01/2022] Open
Abstract
A striking feature of microvascular endothelial cells is their capacity to fuse and differentiate into tubular structures when grown in three-dimensional (3D) extracellular matrices, in collagen or Matrigel, mimicking the in vivo blood vessel formation. In this study we demonstrate that human telomerase-immortalised foreskin microvascular endothelial (TIME) cells express high levels of the hyaluronan receptor CD44 and the hyaluronidase HYAL2. Knock-down of CD44 or HYAL2 resulted in an inability of TIME cells to form a tubular network, suggesting a key regulatory role of hyaluronan in controlling TIME cell tubulogenesis in 3D matrices. Knock-down of CD44 resulted in an upregulation of mRNA expression of the chemokines CXCL9 and CXCL12, as well as their receptors CXCR3 and CXCR4. This was accompanied by a defect maturation of the tubular structure network and increased phosphorylation of the inhibitor of NFκB kinase (IKK) complex and thus translocation of NFκB into the nucleus and activation of chemokine targed genes. Furthermore, the interaction between CD44 and hyaluronan determines the adhesion of breast cancer cells. In summary, our observations support the notion that the interaction between CD44 and hyaluronan regulates microvascular endothelial cell tubulogenesis by affecting the expression of cytokines and their receptors, as well as breast cancer dissemination.
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Affiliation(s)
- Berit Olofsson
- Ludwig Institute for Cancer Research, Science for Life Laboratory, Uppsala University, Biomedical Center, Uppsala, Sweden
| | - Helena Porsch
- Ludwig Institute for Cancer Research, Science for Life Laboratory, Uppsala University, Biomedical Center, Uppsala, Sweden
| | - Paraskevi Heldin
- Ludwig Institute for Cancer Research, Science for Life Laboratory, Uppsala University, Biomedical Center, Uppsala, Sweden
- * E-mail:
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28
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YUDA Y, KASASHIMA Y, KUWANO A, SATO K, HATTORI S, ARAI K. Active Hyaluronidase 2 Expression in the Granulation Tissue Formed in the Healing Process of Equine Superficial Digital Flexor Tendonitis. J Vet Med Sci 2013; 75:219-23. [DOI: 10.1292/jvms.12-0318] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/22/2022] Open
Affiliation(s)
- Yohei YUDA
- Department of Tissue Physiology, Tokyo University of Agriculture and Technology, 3–5–8 Saiwai-cho, Fuchu, Tokyo 183–8509, Japan
| | - Yoshinori KASASHIMA
- Laboratory of Clinical Science and Pathobiology, Equine Research Institute, Japan Racing Association, 321–4 Togami-cho, Utsunomiya, Tochigi 320–8056, Japan
| | - Atsutoshi KUWANO
- Laboratory of Clinical Science and Pathobiology, Equine Research Institute, Japan Racing Association, 321–4 Togami-cho, Utsunomiya, Tochigi 320–8056, Japan
| | - Kan SATO
- Department of Biological Production, Tokyo University of Agriculture and Technology, 3–5–8 Saiwai-cho, Fuchu, Tokyo 183–8509, Japan
| | - Shunji HATTORI
- Nippi Research Institute of Biomatrix, Nippi Inc., 520–11 Kuwabara, Toride, Ibaraki 302–0017, Japan
| | - Katsuhiko ARAI
- Department of Tissue Physiology, Tokyo University of Agriculture and Technology, 3–5–8 Saiwai-cho, Fuchu, Tokyo 183–8509, Japan
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Forteza RM, Casalino-Matsuda SM, Falcon NS, Valencia Gattas M, Monzon ME. Hyaluronan and layilin mediate loss of airway epithelial barrier function induced by cigarette smoke by decreasing E-cadherin. J Biol Chem 2012; 287:42288-98. [PMID: 23048036 DOI: 10.1074/jbc.m112.387795] [Citation(s) in RCA: 56] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/06/2022] Open
Abstract
Cigarette smoke (CigS) exposure is associated with increased bronchial epithelial permeability and impaired barrier function. Primary cultures of normal human bronchial epithelial cells exposed to CigS exhibit decreased E-cadherin expression and reduced transepithelial electrical resistance. These effects were mediated by hyaluronan (HA) because inhibition of its synthesis with 4-methylumbelliferone prevented these effects, and exposure to HA fragments of <70 kDa mimicked these effects. We show that the HA receptor layilin is expressed apically in human airway epithelium and that cells infected with lentivirus expressing layilin siRNAs were protected against increased permeability triggered by both CigS and HA. We identified RhoA/Rho-associated protein kinase (ROCK) as the signaling effectors downstream layilin. We conclude that HA fragments generated by CigS bind to layilin and signal through Rho/ROCK to inhibit the E-cadherin gene and protein expression, leading to a loss of epithelial cell-cell contact. These studies suggest that HA functions as a master switch protecting or disrupting the epithelial barrier in its high versus low molecular weight form and that its depolymerization is a first and necessary step triggering the inflammatory response to CigS.
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Affiliation(s)
- Rosanna Malbran Forteza
- Division of Pulmonary Critical Care, Sleep and Allergy Medicine, University of Miami Miller School of Medicine, Miami, Florida 33136, USA
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Cheng G, Swaidani S, Sharma M, Lauer ME, Hascall VC, Aronica MA. Correlation of hyaluronan deposition with infiltration of eosinophils and lymphocytes in a cockroach-induced murine model of asthma. Glycobiology 2012; 23:43-58. [PMID: 22917573 DOI: 10.1093/glycob/cws122] [Citation(s) in RCA: 38] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Asthma is a chronic inflammatory disease that exhibits airway remodeling with changes in the extracellular matrix (ECM). The role of the ECM in mediating these changes is poorly understood. Hyaluronan (HA), a major component of the ECM, has been implicated in many biological processes in diseases. This study investigates the processes involved in HA synthesis, deposition and localization during the propagation of cockroach-induced asthma. Mice were sensitized and challenged with cockroach antigen, and sacrificed at various time points during an 8-week challenge protocol. Analysis of bronchoalveolar lavage (BAL) fluid revealed an increase in total nucleated cells as early as 6h, which peaked at 6 days. Histopathologic analysis of the lung tissue revealed an influx of inflammatory cells at the peribronchial and perivascular regions starting at 12 h, which peaked at 6 days and persisted to 8 weeks. Eosinophils predominated in the early time points while lymphocytes predominated during the late time points. Quantitative polymerase chain reaction (PCR) data showed that hyaluronan synthase 1 (HAS1) mRNA peaked within 6 h and then declined. HAS2 mRNA also peaked within 6 h but remained elevated throughout the 8-week exposure course. HA levels in lung tissue and BAL increased at 12 h and peaked by 6 and 8 days, respectively. Inflammatory cells and new collagen formation localized in areas of HA deposition. Taken together, these data support a role for HA in the pathogenesis in asthma.
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The effect of environmental oxidative stress on airway inflammation. Curr Opin Allergy Clin Immunol 2012; 12:133-9. [PMID: 22306553 DOI: 10.1097/aci.0b013e32835113d6] [Citation(s) in RCA: 69] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
PURPOSE OF REVIEW Asthma is an inflammatory respiratory condition with significantly associated morbidity and mortality that is increasing in prevalence. Air pollution is an important factor in both the development of asthma and in asthma exacerbations. Oxidative stress as a result of exposure to air pollution and underlying genetic polymorphisms that may play a role in susceptibility to this oxidative stress are the subject of current investigation. This article reviews the data regarding the effects of air pollution on the innate immune response and potential clinical and treatment implications of how genetic polymorphisms affect this response. RECENT FINDINGS Recent investigation reveals how pollutant-induced oxidative stress impacts airway inflammatory responses. Work by our study group demonstrates that asthmatic patients have an exaggerated inflammatory response to air pollution-induced oxidative stress. New trials investigating antioxidants as potential therapeutic interventions may target this specific issue. SUMMARY Air pollution plays a critical role in asthma and may affect certain patients more than others. Further investigation into the genetic polymorphisms that affect inflammatory responses may help target patient populations at greatest risk for air pollution-induced asthma and may provide new therapeutic options for these patient populations.
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Andre B, Duterme C, Van Moer K, Mertens-Strijthagen J, Jadot M, Flamion B. Hyal2 is a glycosylphosphatidylinositol-anchored, lipid raft-associated hyaluronidase. Biochem Biophys Res Commun 2011; 411:175-9. [PMID: 21740893 DOI: 10.1016/j.bbrc.2011.06.125] [Citation(s) in RCA: 47] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/07/2011] [Accepted: 06/18/2011] [Indexed: 12/11/2022]
Abstract
The rapid turnover rate of hyaluronan (HA), the major unbranched glycosaminoglycan of the extracellular matrix, is dependent on hyaluronidases. One of them, hyaluronidase-2 (Hyal2), degrades HA into smaller fragments endowed with specific biological activities such as inflammation and angiogenesis. Yet the cellular environment of Hyal2, a purported glycosylphosphatidylinositol (GPI)-anchored protein, remains uncertain. We have examined the membrane association of Hyal2 in MDA-MB231 cancer cells where it is highly expressed and in COS-7 cells transfected with native or fluorescent Hyal2 constructs. In both cell types, Hyal2 was strongly associated with cell membrane fractions from which it could be extracted using a Triton X-114 treatment (hydrophobic phase) but not an osmotic shock or an alkaline carbonate solution. Treatment of membrane preparations with phosphatidylinositol-specific phospholipase C released immunoreactive Hyal2 into the aqueous phase, confirming the protein is attached to the membrane through a functional GPI anchor. Hyal2 transfected in COS-7 cells was associated with detergent-resistant, cholesterol-rich membranes known as lipid rafts. The cellular immunofluorescent pattern of Hyal2 was conditioned by the presence of a GPI anchor. In summary, the strong membrane association of Hyal2 through its GPI anchor demonstrated in this study using biochemical methods suggests that the main activity of this enzyme is located at the level of the plasma membrane in close contact with the pericellular HA-rich glycocalyx, the extracellular matrix, or possibly endocytic vesicles.
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Affiliation(s)
- Benedicte Andre
- Molecular Physiology Research Unit, NARILIS, University of Namur, 61 rue de Bruxelles, 5000 Namur, Belgium.
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Monzon ME, Fregien N, Schmid N, Falcon NS, Campos M, Casalino-Matsuda SM, Forteza RM. Reactive oxygen species and hyaluronidase 2 regulate airway epithelial hyaluronan fragmentation. J Biol Chem 2010; 285:26126-34. [PMID: 20554532 PMCID: PMC2924017 DOI: 10.1074/jbc.m110.135194] [Citation(s) in RCA: 85] [Impact Index Per Article: 6.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/11/2023] Open
Abstract
Hyaluronidase 2 (Hyal2) is a hyaluronan (HA)-degrading enzyme found intracellularly or/and anchored to the plasma membrane through glycosylphosphatidylinositol (GPI). Normal human bronchial epithelial cells (NHBE) grown at the air-liquid interphase (ALI), treated with PI-specific phospholipase C (PI-PLC), exhibited increased Hyal activity in secretions and decreased protein and activity on the apical membrane, confirming that GPI-anchored Hyal2 is expressed in NHBE cells and it remains active in its soluble form. We have reported that HA degradation was mediated by reactive oxygen species (ROS) in human airways. Here we show that ROS increase Hyal2 expression and activity in NHBE cells and that the p38MAPK signaling pathway is involved in this effect. Hyal2 induction was confirmed by using small interfering RNA (siRNA) expressing lentivirus. These in vitro findings correlated in vivo with smokers, where increased Hyal2 immunoreactivity in the epithelium was associated with augmented levels of HA and the appearance of low molecular mass HA species in bronchial secretions. In summary, this work provides evidence that ROS induce Hyal2, suggesting that Hyal2 is likely responsible for the sustained HA fragmentation in the airway lumen observed in inflammatory conditions associated with oxidative stress.
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Affiliation(s)
- Maria E Monzon
- Division of Pulmonary Critical Care Sleep Medicine, University of Miami, Miller School of Medicine, Miami, Florida 33136, USA.
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Schmidt EP, Tuder RM. Role of Apoptosis in Amplifying Inflammatory Responses in Lung Diseases. J Cell Death 2010; 2010:41-53. [PMID: 22081757 PMCID: PMC3213897 DOI: 10.4137/jcd.s5375] [Citation(s) in RCA: 40] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022] Open
Abstract
Apoptosis is an important contributor to the pathophysiology of lung diseases such as acute lung injury (ALI) and chronic obstructive pulmonary disease (COPD). Furthermore, the cellular environment of these acute and chronic lung diseases favors the delayed clearance of apoptotic cells. This dysfunctional efferocytosis predisposes to the release of endogenous ligands from dying cells. These so-called damage-associated molecular patterns (DAMPs) play an important role in the stimulation of innate immunity as well as in the induction of adaptive immunity, potentially against autoantigens. In this review, we explore the role of apoptosis in ALI and COPD, with particular attention to the contribution of DAMP release in augmenting the inflammatory response in these disease states.
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Affiliation(s)
- E P Schmidt
- Program in Translational Lung Research, Division of Pulmonary Sciences and Critical Care Medicine, Department of Medicine, University of Colorado at Denver, School of Medicine, Denver, Colorado
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Role of Apoptosis in Amplifying Inflammatory Responses in Lung Diseases. J Cell Death 2010; 3:41-53. [PMID: 28469476 PMCID: PMC5324575] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/08/2022] Open
Abstract
Apoptosis is an important contributor to the pathophysiology of lung diseases such as acute lung injury (ALI) and chronic obstructive pulmonary disease (COPD). Furthermore, the cellular environment of these acute and chronic lung diseases favors the delayed clearance of apoptotic cells. This dysfunctional efferocytosis predisposes to the release of endogenous ligands from dying cells. These so-called damage-associated molecular patterns (DAMPs) play an important role in the stimulation of innate immunity as well as in the induction of adaptive immunity, potentially against autoantigens. In this review, we explore the role of apoptosis in ALI and COPD, with particular attention to the contribution of DAMP release in augmenting the inflammatory response in these disease states.
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Tanimoto K, Kitamura R, Tanne Y, Kamiya T, Kunimatsu R, Yoshioka M, Tanaka N, Tanaka E, Tanne K. Modulation of hyaluronan catabolism in chondrocytes by mechanical stimuli. J Biomed Mater Res A 2010; 93:373-80. [PMID: 19569218 DOI: 10.1002/jbm.a.32540] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/09/2022]
Abstract
Hyaluronan (HA) is a component of the extracellular matrices of cartilage contributing to the structural and functional integrity. HA metabolism is regulated by both anabolic and catabolic processes; however, a great deal more of the detail has been unknown yet. The purpose of this study was to clarify the effect of excessive mechanical load on the expression and activity of hyaluronidase (HYAL) in chondrocytes with a special reference to the expressions of IL-1beta and tumor necrosis factor (TNF)-alpha. A cyclic tensile load of 22.8% cell elongation, regarded as an excessive mechanical stimulus, was applied to cultured rabbit knee articular chondrocytes. HYAL1, HYAL2, IL-1beta, and TNF-alpha mRNA levels were examined by quantitative real-time PCR analysis. The HYAL activity in culture medium was examined by HA zymography. Both HYAL1 and HYAL2 mRNA levels were upregulated significantly by the loading in cultured chondrocytes. HYAL activity was also enhanced as compared with unloaded controls. The IL-1beta mRNA level was upregulated significantly by the loading, and TNF-alpha mRNA level was slightly upregulated. HYAL1 and HYAL2 mRNA levels were upregulated significantly by IL-1beta treatment, resulting in a slight increase in HYAL activity. These results show that the expression of HYAL1 and HYAL2 in articular chondrocytes is enhanced by excessive mechanical stimuli and affected in part by induction of IL-1beta, leading to HA catabolism in articular cartilage.
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Affiliation(s)
- Kotaro Tanimoto
- Department of Orthodontics and Craniofacial Developmental Biology, Hiroshima University, Minami-Ku, Hiroshima 734-8553, Japan.
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Casalino-Matsuda SM, Monzon ME, Day AJ, Forteza RM. Hyaluronan fragments/CD44 mediate oxidative stress-induced MUC5B up-regulation in airway epithelium. Am J Respir Cell Mol Biol 2009; 40:277-85. [PMID: 18757307 PMCID: PMC2645525 DOI: 10.1165/rcmb.2008-0073oc] [Citation(s) in RCA: 63] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/19/2008] [Accepted: 08/18/2008] [Indexed: 12/19/2022] Open
Abstract
Mucus hypersecretion with elevated MUC5B mucin production is a pathologic feature in many airway diseases associated with oxidative stress. In the present work, we evaluated MUC5B expression in airways and in primary cultures of normal human bronchial epithelial (NHBE) cells, as well as the mechanisms involved in its regulation. We found that oxidative stress generated by cigarette smoke or reactive oxygen species (ROS) induces MUC5B up-regulation in airway epithelium from smokers and in NHBE cells, respectively. We have previously shown that ROS-induced MUC5AC expression in NHBE cells is dependent on hyaluronan depolymerization and epidermal growth factor receptor (EGFR)/mitogen-activated protein kinase (MAPK) activation. Since hyaluronan fragments can activate MAPK through the hyaluronan receptor CD44, and CD44 heterodimerizes with EGFR, we tested whether ROS and/or hyaluronan fragments induce MUC5B mRNA and protein expression through CD44/EGFR. We found that ROS promotes CD44/EGFR interaction, EGFR/MAPK activation, and MUC5B up-regulation that are prevented by blocking CD44 and/or EGFR. These results were mimicked by hyaluronan fragments. In summary, our results show that oxidative stress in vivo (cigarette smoke) or in vitro (ROS) induces MUC5B up-regulation. This ROS-induced MUC5B expression requires CD44 as well as EGFR and MAPK activation. In addition, we also provide evidence that hyaluronan fragments are sufficient to induce CD44/EGFR interaction and downstream signaling that results in MUC5B up-regulation, suggesting that hyaluronan depolymerization during inflammatory responses could be directly involved in the induction of mucus hypersecretion.
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Affiliation(s)
- S Marina Casalino-Matsuda
- Division of Pulmonary and Critical Care Medicine (R-47), University of Miami, Miller School of Medicine, 1600 NW 10th Ave, RMSB 7072A, Miami, FL 33136, USA.
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