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Yu S, Huang S, Ding Y, Wang W, Wang A, Lu Y. Transient receptor potential ion-channel subfamily V member 4: a potential target for cancer treatment. Cell Death Dis 2019; 10:497. [PMID: 31235786 PMCID: PMC6591233 DOI: 10.1038/s41419-019-1708-9] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/25/2018] [Revised: 05/13/2019] [Accepted: 05/28/2019] [Indexed: 12/29/2022]
Abstract
The transient receptor potential ion-channel superfamily consists of nonselective cation channels located mostly on the plasma membranes of numerous animal cell types, which are closely related to sensory information transmission (e.g., vision, pain, and temperature perception), as well as regulation of intracellular Ca2+ balance and physiological activities of growth and development. Transient receptor potential ion channel subfamily V (TRPV) is one of the largest and most diverse subfamilies, including TRPV1-TRPV6 involved in the regulation of a variety of cellular functions. TRPV4 can be activated by various physical and chemical stimuli, such as heat, mechanical force, and phorbol ester derivatives participating in the maintenance of normal cellular functions. In recent years, the roles of TRPV4 in cell proliferation, differentiation, apoptosis, and migration have been extensively studied. Its abnormal expression has also been closely related to the onset and progression of multiple tumors, so TRPV4 may be a target for cancer diagnosis and treatment. In this review, we focused on the latest studies concerning the role of TRPV4 in tumorigenesis and the therapeutic potential. As evidenced by the effects on cancerogenesis, TRPV4 is a potential target for anticancer therapy.
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Affiliation(s)
- Suyun Yu
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, P. R. China
| | - Shuai Huang
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, P. R. China
| | - Yushi Ding
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, P. R. China
| | - Wei Wang
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, P. R. China
| | - Aiyun Wang
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, P. R. China
- Jiangsu Collaborative Innovation Center of Traditional Chinese Medicine Prevention and Treatment of Tumor, Nanjing University of Chinese Medicine, Nanjing, P. R. China
| | - Yin Lu
- Jiangsu Key Laboratory for Pharmacology and Safety Evaluation of Chinese Materia Medica, School of Pharmacy, Nanjing University of Chinese Medicine, Nanjing, P. R. China.
- Jiangsu Collaborative Innovation Center of Traditional Chinese Medicine Prevention and Treatment of Tumor, Nanjing University of Chinese Medicine, Nanjing, P. R. China.
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Abstract
The ECM (extracellular matrix) network plays a crucial role in cardiac homeostasis, not only by providing structural support, but also by facilitating force transmission, and by transducing key signals to cardiomyocytes, vascular cells, and interstitial cells. Changes in the profile and biochemistry of the ECM may be critically implicated in the pathogenesis of both heart failure with reduced ejection fraction and heart failure with preserved ejection fraction. The patterns of molecular and biochemical ECM alterations in failing hearts are dependent on the type of underlying injury. Pressure overload triggers early activation of a matrix-synthetic program in cardiac fibroblasts, inducing myofibroblast conversion, and stimulating synthesis of both structural and matricellular ECM proteins. Expansion of the cardiac ECM may increase myocardial stiffness promoting diastolic dysfunction. Cardiomyocytes, vascular cells and immune cells, activated through mechanosensitive pathways or neurohumoral mediators may play a critical role in fibroblast activation through secretion of cytokines and growth factors. Sustained pressure overload leads to dilative remodeling and systolic dysfunction that may be mediated by changes in the interstitial protease/antiprotease balance. On the other hand, ischemic injury causes dynamic changes in the cardiac ECM that contribute to regulation of inflammation and repair and may mediate adverse cardiac remodeling. In other pathophysiologic conditions, such as volume overload, diabetes mellitus, and obesity, the cell biological effectors mediating ECM remodeling are poorly understood and the molecular links between the primary insult and the changes in the matrix environment are unknown. This review article discusses the role of ECM macromolecules in heart failure, focusing on both structural ECM proteins (such as fibrillar and nonfibrillar collagens), and specialized injury-associated matrix macromolecules (such as fibronectin and matricellular proteins). Understanding the role of the ECM in heart failure may identify therapeutic targets to reduce geometric remodeling, to attenuate cardiomyocyte dysfunction, and even to promote myocardial regeneration.
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Affiliation(s)
- Nikolaos G Frangogiannis
- From the Wilf Family Cardiovascular Research Institute, Department of Medicine (Cardiology), Albert Einstein College of Medicine, Bronx, NY
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Goswami R, Arya RK, Biswas D, Zhu X, Rahaman SO. Transient Receptor Potential Vanilloid 4 Is Required for Foreign Body Response and Giant Cell Formation. THE AMERICAN JOURNAL OF PATHOLOGY 2019; 189:1505-1512. [PMID: 31121133 DOI: 10.1016/j.ajpath.2019.04.016] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Revised: 04/05/2019] [Accepted: 04/11/2019] [Indexed: 12/11/2022]
Abstract
The presence of biomaterials and devices implanted into soft tissue is associated with development of a foreign body response (FBR), a chronic inflammatory condition that can ultimately lead to implant failure, which may cause harm to or death of the patient. Development of FBR includes activation of macrophages at the tissue-implant interface, generation of destructive foreign body giant cells (FBGCs), and generation of fibrous tissue that encapsulates the implant. However, the mechanisms underlying the FBR remain poorly understood, as neither the materials composing the implants nor their chemical properties can explain triggering of the FBR. Herein, we report that genetic ablation of transient receptor potential vanilloid 4 (TRPV4), a Ca2+-permeable mechanosensitive cation channel in the transient receptor potential vanilloid family, protects TRPV4 knockout mice from FBR-related events. The mice showed diminished collagen deposition along with reduced macrophage accumulation and FBGC formation compared with wild-type mice in a s.c. implantation model. Analysis of macrophage markers in spleen tissues and peritoneal cavity showed that the TRPV4 deficiency did not impair basal macrophage maturation. Furthermore, genetic deficiency or pharmacologic antagonism of TRPV4 blocked cytokine-induced FBGC formation, which was restored by lentivirus-mediated TRPV4 reintroduction. Taken together, these results suggest an important, previously unknown, role for TRPV4 in FBR.
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Affiliation(s)
- Rishov Goswami
- Department of Nutrition and Food Science, University of Maryland, College Park, Maryland
| | - Rakesh K Arya
- Department of Nutrition and Food Science, University of Maryland, College Park, Maryland
| | - Debabrata Biswas
- Department of Animal and Avian Sciences, University of Maryland, College Park, Maryland
| | - Xiaoping Zhu
- Department of Veterinary Medicine, University of Maryland, College Park, Maryland
| | - Shaik O Rahaman
- Department of Nutrition and Food Science, University of Maryland, College Park, Maryland.
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104
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Transient receptor potential vanilloid 4 is a critical mediator in LPS mediated inflammation by mediating calcineurin/NFATc3 signaling. Biochem Biophys Res Commun 2019; 513:1005-1012. [PMID: 31005256 DOI: 10.1016/j.bbrc.2019.04.020] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2019] [Accepted: 04/03/2019] [Indexed: 12/28/2022]
Abstract
Transient Receptor Potential Vanilloid 4 (TRPV4) ion channel is thought to be an essential component of inflammatory response. However, its role and mechanism in regulating acute lung injury (ALI) and macrophages activation are not well characterized. In our study, we observe that blockade of TRPV4 using GSK2193874 or HC-067047 greatly improve the pneumonedema, the lung pathologic changes, the up-regulation of proinflammatory cytokines and the neutrophil infiltration in LPS-induced lung injury. In vitro, knockdown of TRPV4 in macrophages reduces the levels of pro-inflammatory cytokines, ROS production, Ca2+ concentration in cytoplasma and the activation of calcineurin/NFATc3 signaling. Importantly, change of extracellular Ca2+ in culture medium prevents LPS-induced NFATc3 nuclear translocation, up-regulation of proinflammatory cytokines and ROS production in macrophages. Inhibition of calcineurin with cyclosporine A, FK506 down-regulates the levels of NFATc3 nuclear translocation and proinflammatory cytokines expression. Our results demonstrate that TRPV4-dependent Ca2+ influx contributes to LPS-induced macrophage activation by calcineurin-NFATc3 pathway.
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105
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Andreotta PW, Arold S, Kenyon J, Spicer D, Woodman P, Berry E, Brogan T, Kong S, Okerholm P, Russell V, Clarke RW, Hava DL. Inhaled calcium salts inhibit tobacco smoke-induced inflammation by modulating expression of chemokines and cytokines. Pulm Pharmacol Ther 2018; 53:86-99. [PMID: 30359782 DOI: 10.1016/j.pupt.2018.10.004] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/20/2018] [Revised: 09/20/2018] [Accepted: 10/20/2018] [Indexed: 11/24/2022]
Abstract
Tobacco smoke-induced lung inflammation in patients with chronic obstructive pulmonary disease (COPD) worsens with disease progression and acute exacerbations caused by respiratory infections. Chronic therapies to manage COPD center on bronchodilators to improve lung function and inhaled corticosteroids (ICS) to help reduce the risk of exacerbations. Novel therapies are needed that reduce the underlying inflammation associated with COPD and the inflammation resulting from respiratory infections that worsen disease. The lung is lined with airway surface liquid (ASL), a rheologically active material that provides an innate defense for the airway against inhaled particulate and is continuously cleared from the airways by mucociliary clearance. The rheological properties of the ASL can be altered by changes in airway hydration and by cations, such as calcium, that interact with electronegative glycoproteins. The effect of inhaled salts on inflammation resulting from tobacco smoke exposure was studied to determine if cations could be used to alter the properties of the ASL and reduce inflammation. Inhaled calcium salts, but not sodium or magnesium salts, reduced cellular inflammation and key chemokines and cytokines that were induced by tobacco smoke exposure. Similar anti-inflammatory effects of calcium salts were observed using in vitro cultures of human monocyte derived macrophages and human bronchial epithelial cells. The data suggest that inhaled calcium salts may act broadly on both biophysical and biological pathways to reduce pulmonary inflammation.
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Affiliation(s)
| | - Steve Arold
- Pulmatrix Inc., 99 Hayden Ave, Suite 390, Lexington, MA 02421, USA
| | - Jennifer Kenyon
- Pulmatrix Inc., 99 Hayden Ave, Suite 390, Lexington, MA 02421, USA
| | - Diane Spicer
- Argenta Discovery, 8-9 Spire Green Centre, Harlow, Essex, United Kingdom
| | - Paul Woodman
- Argenta Discovery, 8-9 Spire Green Centre, Harlow, Essex, United Kingdom
| | - Elizabeth Berry
- Pulmatrix Inc., 99 Hayden Ave, Suite 390, Lexington, MA 02421, USA
| | - Tim Brogan
- Pulmatrix Inc., 99 Hayden Ave, Suite 390, Lexington, MA 02421, USA
| | - Sophanna Kong
- Pulmatrix Inc., 99 Hayden Ave, Suite 390, Lexington, MA 02421, USA
| | - Pamela Okerholm
- Pulmatrix Inc., 99 Hayden Ave, Suite 390, Lexington, MA 02421, USA
| | - Vince Russell
- Argenta Discovery, 8-9 Spire Green Centre, Harlow, Essex, United Kingdom
| | - Robert W Clarke
- Pulmatrix Inc., 99 Hayden Ave, Suite 390, Lexington, MA 02421, USA
| | - David L Hava
- Pulmatrix Inc., 99 Hayden Ave, Suite 390, Lexington, MA 02421, USA.
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106
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Chauhan A, Sun Y, Sukumaran P, Quenum Zangbede FO, Jondle CN, Sharma A, Evans DL, Chauhan P, Szlabick RE, Aaland MO, Birnbaumer L, Sharma J, Singh BB, Mishra BB. M1 Macrophage Polarization Is Dependent on TRPC1-Mediated Calcium Entry. iScience 2018; 8:85-102. [PMID: 30293012 PMCID: PMC6174824 DOI: 10.1016/j.isci.2018.09.014] [Citation(s) in RCA: 51] [Impact Index Per Article: 8.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2018] [Revised: 08/26/2018] [Accepted: 09/14/2018] [Indexed: 12/14/2022] Open
Abstract
Macrophage plasticity is essential for innate immunity, but in-depth signaling mechanism(s) regulating their functional phenotypes are ill-defined. Here we report that interferon (IFN) γ priming of naive macrophages induces store-mediated Ca2+ entry and inhibition of Ca2+ entry impairs polarization to M1 inflammatory phenotype. In vitro and in vivo functional analyses revealed ORAI1 to be a primary contributor to basal Ca2+ influx in macrophages, whereas IFNγ-induced Ca2+ influx was mediated by TRPC1. Deficiency of TRPC1 displayed abrogated IFNγ-induced M1 inflammatory mediators in macrophages. In a preclinical model of peritonitis by Klebsiella pneumoniae infection, macrophages showed increased Ca2+ influx, which was TRPC1 dependent. Macrophages from infected TRPC1−/− mice showed inhibited expression of M1-associated signature molecules. Furthermore, in human patients with systemic inflammatory response syndrome, the level of TRPC1 expression in circulating macrophages directly correlated with M1 inflammatory mediators. Overall, TRPC1-mediated Ca2+ influx is essential for the induction/shaping of macrophage polarization to M1 inflammatory phenotype. TRPC1 mediates sterile or infection-induced Ca2+ influx and M1 phenotype in macrophages ORAI1 mediates the basal Ca2+ influx in macrophages In patients with SIRS, the TRPC1 level correlates with M1 inflammatory mediators in macrophages
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Affiliation(s)
- Arun Chauhan
- Department of Biomedical Sciences and Department of Surgery, School of Medicine & Health Sciences, The University of North Dakota, 1301 N Columbia Road, Grand Forks, ND 58202, USA
| | - Yuyang Sun
- Department of Biomedical Sciences and Department of Surgery, School of Medicine & Health Sciences, The University of North Dakota, 1301 N Columbia Road, Grand Forks, ND 58202, USA
| | - Pramod Sukumaran
- Department of Biomedical Sciences and Department of Surgery, School of Medicine & Health Sciences, The University of North Dakota, 1301 N Columbia Road, Grand Forks, ND 58202, USA
| | - Fredice O Quenum Zangbede
- Department of Biomedical Sciences and Department of Surgery, School of Medicine & Health Sciences, The University of North Dakota, 1301 N Columbia Road, Grand Forks, ND 58202, USA
| | - Christopher N Jondle
- Department of Biomedical Sciences and Department of Surgery, School of Medicine & Health Sciences, The University of North Dakota, 1301 N Columbia Road, Grand Forks, ND 58202, USA
| | - Atul Sharma
- Department of Biomedical Sciences and Department of Surgery, School of Medicine & Health Sciences, The University of North Dakota, 1301 N Columbia Road, Grand Forks, ND 58202, USA
| | - Dustin L Evans
- Department of Biomedical Sciences and Department of Surgery, School of Medicine & Health Sciences, The University of North Dakota, 1301 N Columbia Road, Grand Forks, ND 58202, USA
| | - Pooja Chauhan
- Department of Biomedical Sciences and Department of Surgery, School of Medicine & Health Sciences, The University of North Dakota, 1301 N Columbia Road, Grand Forks, ND 58202, USA
| | - Randolph E Szlabick
- Department of Biomedical Sciences and Department of Surgery, School of Medicine & Health Sciences, The University of North Dakota, 1301 N Columbia Road, Grand Forks, ND 58202, USA
| | - Mary O Aaland
- Department of Biomedical Sciences and Department of Surgery, School of Medicine & Health Sciences, The University of North Dakota, 1301 N Columbia Road, Grand Forks, ND 58202, USA
| | - Lutz Birnbaumer
- Neurobiology Laboratory, NIHES, NIH, 111 TW Alexander Dr., Research Triangle Park, Durham, NC 27709, USA; School of Medical Sciences, Catholic University of Argentina, Institute of Biomedical Research (BIOMED UCA-CONICET), Av. Alicia Moreau de Justo 1300, Edificio San Jose Piso 3, Buenos Aires C1107AAZ, Argentina
| | - Jyotika Sharma
- Department of Biomedical Sciences and Department of Surgery, School of Medicine & Health Sciences, The University of North Dakota, 1301 N Columbia Road, Grand Forks, ND 58202, USA
| | - Brij B Singh
- Department of Biomedical Sciences and Department of Surgery, School of Medicine & Health Sciences, The University of North Dakota, 1301 N Columbia Road, Grand Forks, ND 58202, USA
| | - Bibhuti B Mishra
- Department of Biomedical Sciences and Department of Surgery, School of Medicine & Health Sciences, The University of North Dakota, 1301 N Columbia Road, Grand Forks, ND 58202, USA.
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107
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Boonen B, Alpizar YA, Meseguer VM, Talavera K. TRP Channels as Sensors of Bacterial Endotoxins. Toxins (Basel) 2018; 10:toxins10080326. [PMID: 30103489 PMCID: PMC6115757 DOI: 10.3390/toxins10080326] [Citation(s) in RCA: 42] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2018] [Revised: 08/02/2018] [Accepted: 08/08/2018] [Indexed: 02/07/2023] Open
Abstract
The cellular and systemic effects induced by bacterial lipopolysaccharides (LPS) have been solely attributed to the activation of the Toll-like receptor 4 (TLR4) signalling cascade. However, recent studies have shown that LPS activates several members of the Transient Receptor Potential (TRP) family of cation channels. Indeed, LPS induces activation of the broadly-tuned chemosensor TRPA1 in sensory neurons in a TLR4-independent manner, and genetic ablation of this channel reduced mouse pain and inflammatory responses triggered by LPS and the gustatory-mediated avoidance to LPS in fruit flies. LPS was also shown to activate TRPV4 channels in airway epithelial cells, an effect leading to an immediate production of bactericidal nitric oxide and to an increase in ciliary beat frequency. In this review, we discuss the role of TRP channels as sensors of bacterial endotoxins, and therefore, as crucial players in the timely detection of invading gram-negative bacteria.
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Affiliation(s)
- Brett Boonen
- Laboratory for Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven, VIB Center for Brain & Disease Research, O&N1 Herestraat 49 - box 802, 3000 Leuven, Belgium.
| | - Yeranddy A Alpizar
- Laboratory for Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven, VIB Center for Brain & Disease Research, O&N1 Herestraat 49 - box 802, 3000 Leuven, Belgium.
| | - Victor M Meseguer
- Instituto de Neurociencias de Alicante, Universidad Miguel Hernández-CSIC, 03550 San Juan de Alicante, Spain.
| | - Karel Talavera
- Laboratory for Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven, VIB Center for Brain & Disease Research, O&N1 Herestraat 49 - box 802, 3000 Leuven, Belgium.
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108
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Pakshir P, Hinz B. The big five in fibrosis: Macrophages, myofibroblasts, matrix, mechanics, and miscommunication. Matrix Biol 2018; 68-69:81-93. [DOI: 10.1016/j.matbio.2018.01.019] [Citation(s) in RCA: 162] [Impact Index Per Article: 27.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/14/2018] [Revised: 01/25/2018] [Accepted: 01/28/2018] [Indexed: 02/07/2023]
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109
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Santoni G, Morelli MB, Amantini C, Santoni M, Nabissi M, Marinelli O, Santoni A. "Immuno-Transient Receptor Potential Ion Channels": The Role in Monocyte- and Macrophage-Mediated Inflammatory Responses. Front Immunol 2018; 9:1273. [PMID: 29928281 PMCID: PMC5997787 DOI: 10.3389/fimmu.2018.01273] [Citation(s) in RCA: 49] [Impact Index Per Article: 8.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2018] [Accepted: 05/22/2018] [Indexed: 01/19/2023] Open
Abstract
Monocytes and macrophages play important roles in health and disease. They have a central role in protecting the host, as they clear pathogens and modulate other immune cell functions through the production of regulatory molecules. Their functions include immune surveillance, bacterial killing, tissue remodeling and repair, clearance of cell debris and more. Macrophages can have beneficial and detrimental effects on the outcome of several diseases depending on the microenvironment and the activation state of cells. Over the past few years, there has been an increasing interest in the expression and functions of ion channels, in particular of transient receptor potential (TRP) channel family in immune cells. The 30 members of mammalian TRP channels are subdivided into TRPC, TRPV, TRPM, TRPML, TRPP, and TRPA superfamily, and several members of TRP subfamily have been found to be functionally expressed in monocytes and macrophages. TRP are cation-selective channels that are weakly voltage-sensitive and diversely gated by temperature, mechanical force, electrophiles, ligands, and internal cues, such as membrane composition and pH, contributing to immune and inflammatory responses. The TRP channels play major roles in controlling several monocyte and macrophage functions such as phagocytosis, production of chemokines and cytokines, cell survival, polarization and so forth. In addition, they can also be potential therapeutic targets in a variety of inflammatory diseases. Thus, the goal of this review is to describe the role of TRP channels in the control of monocyte–macrophage functions in inflammatory and immune-mediated diseases.
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Affiliation(s)
- Giorgio Santoni
- Section of Experimental Medicine, School of Pharmacy, University of Camerino, Camerino, Italy
| | - Maria Beatrice Morelli
- Section of Experimental Medicine, School of Pharmacy, University of Camerino, Camerino, Italy.,Department of Molecular Medicine, Sapienza University, Rome, Italy
| | - Consuelo Amantini
- School of Biosciences and Veterinary Medicine, University of Camerino, Camerino, Italy
| | - Matteo Santoni
- Clinical Oncology Unit, Macerata Hospital, Macerata, Italy
| | - Massimo Nabissi
- Section of Experimental Medicine, School of Pharmacy, University of Camerino, Camerino, Italy
| | - Oliviero Marinelli
- Section of Experimental Medicine, School of Pharmacy, University of Camerino, Camerino, Italy.,School of Biosciences and Veterinary Medicine, University of Camerino, Camerino, Italy
| | - Angela Santoni
- Department of Molecular Medicine, Sapienza University, Rome, Italy.,Neuromed I.R.C.C.S. - Istituto Neurologico Mediterraneo, Pozzilli, Italy
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110
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Suresh K, Servinsky L, Jiang H, Bigham Z, Yun X, Kliment C, Huetsch J, Damarla M, Shimoda LA. Reactive oxygen species induced Ca 2+ influx via TRPV4 and microvascular endothelial dysfunction in the SU5416/hypoxia model of pulmonary arterial hypertension. Am J Physiol Lung Cell Mol Physiol 2018; 314:L893-L907. [PMID: 29388466 PMCID: PMC6008124 DOI: 10.1152/ajplung.00430.2017] [Citation(s) in RCA: 63] [Impact Index Per Article: 10.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2017] [Revised: 01/05/2018] [Accepted: 01/24/2018] [Indexed: 12/21/2022] Open
Abstract
Pulmonary arterial hypertension (PAH) is a lethal disease characterized by elevations in pulmonary arterial pressure, in part due to formation of occlusive lesions in the distal arterioles of the lung. These complex lesions may comprise multiple cell types, including endothelial cells (ECs). To better understand the molecular mechanisms underlying EC dysfunction in PAH, lung microvascular endothelial cells (MVECs) were isolated from normoxic rats (N-MVECs) and rats subjected to SU5416 plus hypoxia (SuHx), an experimental model of PAH. Compared with N-MVECs, MVECs isolated from SuHx rats (SuHx-MVECs) appeared larger and more spindle shaped morphologically and expressed canonical smooth muscle cell markers smooth muscle-specific α-actin and myosin heavy chain in addition to endothelial markers such as Griffonia simplicifolia and von Willebrand factor. SuHx-MVEC mitochondria were dysfunctional, as evidenced by increased fragmentation/fission, decreased oxidative phosphorylation, and increased reactive oxygen species (ROS) production. Functionally, SuHx-MVECs exhibited increased basal levels of intracellular calcium concentration ([Ca2+]i) and enhanced migratory and proliferative capacity. Treatment with global (TEMPOL) or mitochondria-specific (MitoQ) antioxidants decreased ROS levels and basal [Ca2]i in SuHx-MVECs. TEMPOL and MitoQ also decreased migration and proliferation in SuHx-MVECs. Additionally, inhibition of ROS-induced Ca2+ entry via pharmacologic blockade of transient receptor potential vanilloid-4 (TRPV4) attenuated [Ca2]i, migration, and proliferation. These findings suggest a role for mitochondrial ROS-induced Ca2+ influx via TRPV4 in promoting abnormal migration and proliferation in MVECs in this PAH model.
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Affiliation(s)
- Karthik Suresh
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Johns Hopkins University School of Medicine , Baltimore, Maryland
| | - Laura Servinsky
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Johns Hopkins University School of Medicine , Baltimore, Maryland
| | - Haiyang Jiang
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Johns Hopkins University School of Medicine , Baltimore, Maryland
| | - Zahna Bigham
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Johns Hopkins University School of Medicine , Baltimore, Maryland
| | - Xin Yun
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Johns Hopkins University School of Medicine , Baltimore, Maryland
| | - Corrine Kliment
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Johns Hopkins University School of Medicine , Baltimore, Maryland
| | - John Huetsch
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Johns Hopkins University School of Medicine , Baltimore, Maryland
| | - Mahendra Damarla
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Johns Hopkins University School of Medicine , Baltimore, Maryland
| | - Larissa A Shimoda
- Division of Pulmonary and Critical Care Medicine, Department of Medicine, Johns Hopkins University School of Medicine , Baltimore, Maryland
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111
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Pairet N, Mang S, Fois G, Keck M, Kühnbach M, Gindele J, Frick M, Dietl P, Lamb DJ. TRPV4 inhibition attenuates stretch-induced inflammatory cellular responses and lung barrier dysfunction during mechanical ventilation. PLoS One 2018; 13:e0196055. [PMID: 29664963 PMCID: PMC5903668 DOI: 10.1371/journal.pone.0196055] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2017] [Accepted: 03/01/2018] [Indexed: 02/06/2023] Open
Abstract
Mechanical ventilation is an important tool for supporting critically ill patients but may also exert pathological forces on lung cells leading to Ventilator-Induced Lung Injury (VILI). We hypothesised that inhibition of the force-sensitive transient receptor potential vanilloid (TRPV4) ion channel may attenuate the negative effects of mechanical ventilation. Mechanical stretch increased intracellular Ca2+ influx and induced release of pro-inflammatory cytokines in lung epithelial cells that was partially blocked by about 30% with the selective TRPV4 inhibitor GSK2193874, but nearly completely blocked with the pan-calcium channel blocker ruthenium red, suggesting the involvement of more than one calcium channel in the response to mechanical stress. Mechanical stretch also induced the release of pro-inflammatory cytokines from M1 macrophages, but in contrast this was entirely dependent upon TRPV4. In a murine ventilation model, TRPV4 inhibition attenuated both pulmonary barrier permeability increase and pro-inflammatory cytokines release due to high tidal volume ventilation. Taken together, these data suggest TRPV4 inhibitors may have utility as a prophylactic pharmacological treatment to improve the negative pathological stretch-response of lung cells during ventilation and potentially support patients receiving mechanical ventilation.
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Affiliation(s)
- N. Pairet
- Immunology & Respiratory Diseases Research, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riß, Germany
- Department of General Physiology, University of Ulm, Ulm, Germany
- * E-mail:
| | - S. Mang
- Immunology & Respiratory Diseases Research, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riß, Germany
- Institute of Immunology, Hannover Medical School, Hannover, Germany
| | - G. Fois
- Department of General Physiology, University of Ulm, Ulm, Germany
| | - M. Keck
- Immunology & Respiratory Diseases Research, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riß, Germany
| | - M. Kühnbach
- Immunology & Respiratory Diseases Research, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riß, Germany
| | - J. Gindele
- Immunology & Respiratory Diseases Research, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riß, Germany
- Department of General Physiology, University of Ulm, Ulm, Germany
| | - M. Frick
- Department of General Physiology, University of Ulm, Ulm, Germany
| | - P. Dietl
- Department of General Physiology, University of Ulm, Ulm, Germany
| | - D. J. Lamb
- Immunology & Respiratory Diseases Research, Boehringer Ingelheim Pharma GmbH & Co. KG, Biberach an der Riß, Germany
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112
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Wu XT, Yang Z, Ansari AR, Xiao K, Pang XX, Luo Y, Song H. Visfatin regulates the production of lipopolysaccharide-induced inflammatory cytokines through p38 signaling in murine macrophages. Microb Pathog 2018; 117:55-59. [DOI: 10.1016/j.micpath.2018.02.002] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/05/2017] [Revised: 01/02/2018] [Accepted: 02/01/2018] [Indexed: 12/16/2022]
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113
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Kumar H, Lee SH, Kim KT, Zeng X, Han I. TRPV4: a Sensor for Homeostasis and Pathological Events in the CNS. Mol Neurobiol 2018; 55:8695-8708. [PMID: 29582401 DOI: 10.1007/s12035-018-0998-8] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2017] [Accepted: 03/07/2018] [Indexed: 01/22/2023]
Abstract
Transient receptor potential vanilloid type 4 (TRPV4) was originally described as a calcium-permeable nonselective cation channel. TRPV4 is now recognized as a polymodal ionotropic receptor: it is a broadly expressed, nonselective cation channel (permeable to calcium, potassium, magnesium, and sodium) that plays an important role in a multitude of physiological processes. TRPV4 is involved in maintaining homeostasis, serves as an osmosensor and thermosensor, can be activated directly by endogenous or exogenous chemical stimuli, and can be activated or sensitized indirectly via intracellular signaling pathways. Additionally, TRPV4 is upregulated in a variety of pathological conditions. In this review, we focus on the role of TRPV4 in mediating homeostasis and pathological events in the central nervous system (CNS). This review is composed of three parts. Section 1 describes the role of TRPV4 in maintaining homeostatic processes, including the volume of body water, ionic concentrations, volume, and the temperature. Section 2 describes the effects of activation and inhibition of TRPV4 in the CNS. Section 3 focuses on the role of TRPV4 during pathological events in CNS.
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Affiliation(s)
- Hemant Kumar
- Department of Neurosurgery, CHA University, CHA Bundang Medical Center, Seongnam-si, Gyeonggi-do, 13496, Republic of Korea
| | - Soo-Hong Lee
- Department of Biomedical Science, CHA University, Seongnam-si, Gyeonggi-do, Republic of Korea
| | - Kyoung-Tae Kim
- Department of Neurosurgery, Kyungpook National University Hospital, 130, Dongdeok-ro, Jung-gu, Daegu, 41944, Republic of Korea
| | - Xiang Zeng
- Department of Histology and Embryology, Zhongshan School of Medicine, Sun Yat-sen University, Guangzhou, Guangdong, 510080, China.
| | - Inbo Han
- Department of Neurosurgery, CHA University, CHA Bundang Medical Center, Seongnam-si, Gyeonggi-do, 13496, Republic of Korea.
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114
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Khalil M, Alliger K, Weidinger C, Yerinde C, Wirtz S, Becker C, Engel MA. Functional Role of Transient Receptor Potential Channels in Immune Cells and Epithelia. Front Immunol 2018; 9:174. [PMID: 29467763 PMCID: PMC5808302 DOI: 10.3389/fimmu.2018.00174] [Citation(s) in RCA: 84] [Impact Index Per Article: 14.0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/20/2017] [Accepted: 01/19/2018] [Indexed: 01/22/2023] Open
Abstract
Transient receptor potential (TRP) ion channels are widely expressed in several tissues throughout the mammalian organism. Originally, TRP channel physiology was focusing on its fundamental meaning in sensory neuronal function. Today, it is known that activation of several TRP ion channels in peptidergic neurons does not only result in neuropeptide release and consecutive neurogenic inflammation. Growing evidence demonstrates functional extra-neuronal TRP channel expression in immune and epithelial cells with important implications for mucosal immunology. TRP channels maintain intracellular calcium homeostasis to regulate various functions in the respective cells such as nociception, production and release of inflammatory mediators, phagocytosis, and cell migration. In this review, we provide an overview about TRP-mediated effects in immune and epithelial cells with an emphasis on mucosal immunology of the gut. Crosstalk between neurons, epithelial cells, and immune cells induced by activation of TRP channels orchestrates the immunologic response. Understanding of its molecular mechanisms paves the way to novel clinical approaches for the treatment of various inflammatory disorders including IBD.
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Affiliation(s)
- Mohammad Khalil
- Universitätsklinikum Erlangen, Medizinische Klinik 1, Erlangen, Germany
| | - Korina Alliger
- Universitätsklinikum Erlangen, Medizinische Klinik 1, Erlangen, Germany
| | - Carl Weidinger
- Charité Universitätsmedizin Berlin, Campus Benjamin Franklin Medizinische Klinik für Gastroenterologie, Infektiologie und Rheumatologie, Berlin, Germany
| | - Cansu Yerinde
- Charité Universitätsmedizin Berlin, Campus Benjamin Franklin Medizinische Klinik für Gastroenterologie, Infektiologie und Rheumatologie, Berlin, Germany
| | - Stefan Wirtz
- Universitätsklinikum Erlangen, Medizinische Klinik 1, Erlangen, Germany
| | - Christoph Becker
- Universitätsklinikum Erlangen, Medizinische Klinik 1, Erlangen, Germany
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115
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Hamacher J, Hadizamani Y, Borgmann M, Mohaupt M, Männel DN, Moehrlen U, Lucas R, Stammberger U. Cytokine-Ion Channel Interactions in Pulmonary Inflammation. Front Immunol 2018; 8:1644. [PMID: 29354115 PMCID: PMC5758508 DOI: 10.3389/fimmu.2017.01644] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/09/2017] [Accepted: 11/10/2017] [Indexed: 12/12/2022] Open
Abstract
The lungs conceptually represent a sponge that is interposed in series in the bodies’ systemic circulation to take up oxygen and eliminate carbon dioxide. As such, it matches the huge surface areas of the alveolar epithelium to the pulmonary blood capillaries. The lung’s constant exposure to the exterior necessitates a competent immune system, as evidenced by the association of clinical immunodeficiencies with pulmonary infections. From the in utero to the postnatal and adult situation, there is an inherent vital need to manage alveolar fluid reabsorption, be it postnatally, or in case of hydrostatic or permeability edema. Whereas a wealth of literature exists on the physiological basis of fluid and solute reabsorption by ion channels and water pores, only sparse knowledge is available so far on pathological situations, such as in microbial infection, acute lung injury or acute respiratory distress syndrome, and in the pulmonary reimplantation response in transplanted lungs. The aim of this review is to discuss alveolar liquid clearance in a selection of lung injury models, thereby especially focusing on cytokines and mediators that modulate ion channels. Inflammation is characterized by complex and probably time-dependent co-signaling, interactions between the involved cell types, as well as by cell demise and barrier dysfunction, which may not uniquely determine a clinical picture. This review, therefore, aims to give integrative thoughts and wants to foster the unraveling of unmet needs in future research.
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Affiliation(s)
- Jürg Hamacher
- Internal Medicine and Pneumology, Lindenhofspital, Bern, Switzerland.,Internal Medicine V - Pneumology, Allergology, Respiratory and Environmental Medicine, Faculty of Medicine, Saarland University, Saarbrücken, Germany.,Lungen- und Atmungsstiftung Bern, Bern, Switzerland
| | - Yalda Hadizamani
- Internal Medicine and Pneumology, Lindenhofspital, Bern, Switzerland.,Lungen- und Atmungsstiftung Bern, Bern, Switzerland
| | - Michèle Borgmann
- Internal Medicine and Pneumology, Lindenhofspital, Bern, Switzerland.,Lungen- und Atmungsstiftung Bern, Bern, Switzerland
| | - Markus Mohaupt
- Internal Medicine, Sonnenhofspital Bern, Bern, Switzerland
| | | | - Ueli Moehrlen
- Paediatric Visceral Surgery, Universitäts-Kinderspital Zürich, Zürich, Switzerland
| | - Rudolf Lucas
- Department of Pharmacology and Toxicology, Vascular Biology Center, Medical College of Georgia, Augusta, GA, United States
| | - Uz Stammberger
- Lungen- und Atmungsstiftung Bern, Bern, Switzerland.,Novartis Institutes for Biomedical Research, Translational Clinical Oncology, Novartis Pharma AG, Basel, Switzerland
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116
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Mennens SFB, Bolomini-Vittori M, Weiden J, Joosten B, Cambi A, van den Dries K. Substrate stiffness influences phenotype and function of human antigen-presenting dendritic cells. Sci Rep 2017; 7:17511. [PMID: 29235514 PMCID: PMC5727489 DOI: 10.1038/s41598-017-17787-z] [Citation(s) in RCA: 64] [Impact Index Per Article: 9.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/11/2017] [Accepted: 11/30/2017] [Indexed: 12/18/2022] Open
Abstract
Dendritic cells (DCs) are specialized immune cells that scan peripheral tissues for foreign material or aberrant cells and, upon recognition of such danger signals, travel to lymph nodes to activate T cells and evoke an immune response. For this, DCs travel large distances through the body, encountering a variety of microenvironments with different mechanical properties such as tissue stiffness. While immune-related pathological conditions such as fibrosis or cancer are associated with tissue stiffening, the role of tissue stiffness in regulating key functions of DCs has not been studied yet. Here, we investigated the effect of substrate stiffness on the phenotype and function of DCs by conditioning DCs on polyacrylamide substrates of 2, 12 and 50 kPa. Interestingly, we found that C-type lectin expression on immature DCs (iDCs) is regulated by substrate stiffness, resulting in differential antigen internalization. Furthermore, we show that substrate stiffness affects β2 integrin expression and podosome formation by iDCs. Finally, we demonstrate that substrate stiffness influences CD83 and CCR7 expression on mature DCs, the latter leading to altered chemokine-directed migration. Together, our results indicate that DC phenotype and function are affected by substrate stiffness, suggesting that tissue stiffness is an important determinant for modulating immune responses.
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Affiliation(s)
- Svenja F B Mennens
- Department of Cell Biology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Geert Grooteplein Zuid 26-28, 6525 GA, Nijmegen, The Netherlands
| | - Matteo Bolomini-Vittori
- Department of Cell Biology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Geert Grooteplein Zuid 26-28, 6525 GA, Nijmegen, The Netherlands
| | - Jorieke Weiden
- Department of Tumor Immunology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Geert Grooteplein Zuid 26-28, 6525 GA, Nijmegen, The Netherlands
| | - Ben Joosten
- Department of Cell Biology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Geert Grooteplein Zuid 26-28, 6525 GA, Nijmegen, The Netherlands
| | - Alessandra Cambi
- Department of Cell Biology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Geert Grooteplein Zuid 26-28, 6525 GA, Nijmegen, The Netherlands.
| | - Koen van den Dries
- Department of Cell Biology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Geert Grooteplein Zuid 26-28, 6525 GA, Nijmegen, The Netherlands.
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117
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Matsumoto K, Yamaba R, Inoue K, Utsumi D, Tsukahara T, Amagase K, Tominaga M, Kato S. Transient receptor potential vanilloid 4 channel regulates vascular endothelial permeability during colonic inflammation in dextran sulphate sodium-induced murine colitis. Br J Pharmacol 2017; 175:84-99. [PMID: 29053877 DOI: 10.1111/bph.14072] [Citation(s) in RCA: 40] [Impact Index Per Article: 5.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2017] [Revised: 09/14/2017] [Accepted: 10/08/2017] [Indexed: 12/23/2022] Open
Abstract
BACKGROUND AND PURPOSE The transient receptor potential vanilloid 4 (TRPV4) channel is a non-selective cation channel involved in physical sensing in various tissue types. The present study aimed to elucidate the function and expression of TRPV4 channels in colonic vascular endothelial cells during dextran sulphate sodium (DSS)-induced colitis. EXPERIMENTAL APPROACH The role of TRPV4 channels in the progression of colonic inflammation was examined in a murine DSS-induced colitis model using immunohistochemical analysis, Western blotting and Evans blue dye extrusion assay. KEY RESULTS DSS-induced colitis was significantly attenuated in TRPV4-deficient (TRPV4 KO) as compared to wild-type mice. Repeated intrarectal administration of GSK1016790A, a TRPV4 agonist, exacerbated the severity of DSS-induced colitis. Bone marrow transfer experiments demonstrated the important role of TRPV4 in non-haematopoietic cells for DSS-induced colitis. DSS treatment up-regulated TRPV4 expression in the vascular endothelia of colonic mucosa and submucosa. DSS treatment increased vascular permeability, which was abolished in TRPV4 KO mice. This DSS-induced increase in vascular permeability was further enhanced by i.v. administration of GSK1016790A, and this effect was abolished by the TRPV4 antagonist RN1734. TRPV4 was co-localized with vascular endothelial (VE)-cadherin, and VE-cadherin expression was decreased by repeated i.v. administration of GSK1016790A during colitis. Furthermore, GSK106790A decreased VE-cadherin expression in mouse aortic endothelial cells exposed to TNF-α. CONCLUSION AND IMPLICATIONS These findings indicate that an up-regulation of TRPV4 channels in vascular endothelial cells contributes to the progression of colonic inflammation by increasing vascular permeability. Thus, TRPV4 is an attractive target for the treatment of inflammatory bowel diseases.
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Affiliation(s)
- Kenjiro Matsumoto
- Division of Pathological Sciences, Department of Pharmacology and Experimental Therapeutics, Kyoto Pharmaceutical University, Kyoto, Japan
| | - Riho Yamaba
- Division of Pathological Sciences, Department of Pharmacology and Experimental Therapeutics, Kyoto Pharmaceutical University, Kyoto, Japan
| | - Ken Inoue
- Division of Pathological Sciences, Department of Pharmacology and Experimental Therapeutics, Kyoto Pharmaceutical University, Kyoto, Japan
| | - Daichi Utsumi
- Division of Pathological Sciences, Department of Pharmacology and Experimental Therapeutics, Kyoto Pharmaceutical University, Kyoto, Japan
| | - Takuya Tsukahara
- Division of Pathological Sciences, Department of Pharmacology and Experimental Therapeutics, Kyoto Pharmaceutical University, Kyoto, Japan
| | - Kikuko Amagase
- Division of Pathological Sciences, Department of Pharmacology and Experimental Therapeutics, Kyoto Pharmaceutical University, Kyoto, Japan
| | - Makoto Tominaga
- Division of Cell Signaling, Okazaki Institute for Integrative Bioscience (National Institute for Physiological Sciences), Okazaki, Japan
| | - Shinichi Kato
- Division of Pathological Sciences, Department of Pharmacology and Experimental Therapeutics, Kyoto Pharmaceutical University, Kyoto, Japan
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118
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Abstract
The transient receptor potential vanilloid 4 (TRPV4) is a highly Ca2+-permeable non-selective cation channel in TRPV family. Accumulating evidence hints that TRPV4 play a significant role in a wide diversity of pathologic changes. Fibrosis is a kind of chronic disease which was characterized by the formation of excessive accumulation of extracellular matrix (ECM) components in tissues and organs. In recent years, a growing body of studies showed that TRPV4 acted as a crucial regulator in the progression of fibrosis including myocardial fibrosis, cystic fibrosis, pulmonary fibrosis, hepatic fibrosis and pancreatic fibrosis, suggesting TRPV4 may be a potential therapeutic vehicle in fibrotic diseases. However, the mechanisms by which TRPV4 regulates fibrosis are still undefined. In this review, firstly, we intend to sum up the collective knowledge of TRPV4. Then we provided the latent mechanism between TRPV4 and fibrosis. We also elaborated the distinct signaling pathways focus on TRPV4 with fibrosis. Finally, we discussed its potential as a novel therapeutic target for fibrosis.
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119
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Goswami R, Merth M, Sharma S, Alharbi MO, Aranda-Espinoza H, Zhu X, Rahaman SO. TRPV4 calcium-permeable channel is a novel regulator of oxidized LDL-induced macrophage foam cell formation. Free Radic Biol Med 2017; 110:142-150. [PMID: 28602913 DOI: 10.1016/j.freeradbiomed.2017.06.004] [Citation(s) in RCA: 38] [Impact Index Per Article: 5.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/14/2017] [Revised: 05/27/2017] [Accepted: 06/06/2017] [Indexed: 01/03/2023]
Abstract
Cardiovascular disease is the number one cause of death in United States, and atherosclerosis, a chronic inflammatory arterial disease, is the most dominant underlying pathology. Macrophages are thought to orchestrate atherosclerosis by generating lipid-laden foam cells and by secreting inflammatory mediators. Emerging data support a role for a mechanical factor, e.g., matrix stiffness, in regulation of macrophage function, vascular elasticity, and atherogenesis. However, the identity of the plasma membrane mechanosensor and the mechanisms by which pro-atherogenic signals are transduced/maintained are unknown. We have obtained evidence that TRPV4, an ion channel in the transient receptor potential vanilloid family and a known mechanosensor, is the likely mediator of oxidized low-density lipoprotein (oxLDL)-dependent macrophage foam cell formation, a critical process in atherogenesis. Specifically, we found that: i) genetic ablation of TRPV4 or pharmacologic inhibition of TRPV4 activity by a specific antagonist blocked oxLDL-induced macrophage foam cell formation, and ii) TRPV4 deficiency prevented pathophysiological range matrix stiffness or scratch-induced exacerbation of oxLDL-induced foam cell formation. Mechanistically, we found that: i) plasma membrane localization of TRPV4 was sensitized to the increasing level of matrix stiffness, ii) lack of foam cell formation in TRPV4 null cells was not due to lack of expression of CD36, a major receptor for oxLDL, and iii) TRPV4 channel activity regulated oxLDL uptake but not its binding on macrophages. Altogether, these findings identify a novel role for TRPV4 in regulating macrophage foam cell formation by modulating uptake of oxLDL. These findings suggest that therapeutic targeting of TRPV4 may provide a selective approach to the treatment of atherosclerosis.
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Affiliation(s)
- Rishov Goswami
- University of Maryland, Department of Nutrition and Food Science, College Park, MD 20742, USA
| | - Michael Merth
- University of Maryland, Department of Nutrition and Food Science, College Park, MD 20742, USA
| | - Shweta Sharma
- University of Maryland, Department of Nutrition and Food Science, College Park, MD 20742, USA
| | - Mazen O Alharbi
- University of Maryland, Department of Nutrition and Food Science, College Park, MD 20742, USA
| | - Helim Aranda-Espinoza
- University of Maryland, The Fischell Department of Bioengineering, College Park, MD 20742, USA
| | - Xiaoping Zhu
- University of Maryland, Department of Veterinary Medicine, College Park, MD 20742, USA
| | - Shaik O Rahaman
- University of Maryland, Department of Nutrition and Food Science, College Park, MD 20742, USA.
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120
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Arora PD, Di Gregorio M, He P, McCulloch CA. TRPV4 mediates the Ca 2+ influx required for the interaction between flightless-1 and non-muscle myosin, and collagen remodeling. J Cell Sci 2017; 130:2196-2208. [PMID: 28526784 DOI: 10.1242/jcs.201665] [Citation(s) in RCA: 25] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/13/2017] [Accepted: 05/14/2017] [Indexed: 12/15/2022] Open
Abstract
Fibroblasts remodel extracellular matrix collagen, in part, through phagocytosis. This process requires formation of cell extensions, which in turn involves interaction of the actin-binding protein flightless-1 (FliI) with non-muscle myosin IIA (NMMIIA; heavy chain encoded by MYH9) at cell-matrix adhesion sites. As Ca2+ plays a central role in controlling actomyosin-dependent functions, we examined how Ca2+ controls the generation of cell extensions and collagen remodeling. Ratio fluorimetry demonstrated localized Ca2+ influx at the extensions of fibroblasts. Western blotting and quantitative (q)PCR showed high expression levels of the Ca2+-permeable transient receptor potential vanilloid-4 (TRPV4) channel, which co-immunoprecipitated with β1 integrin and localized to adhesions. Treatment with α2β1-integrin-blocking antibody or the TRPV4-specific antagonist AB159908, as well as reduction of TRPV4 expression through means of siRNA, blocked Ca2+ influx. These treatments also inhibited the interaction of FliI with NMMIIA, reduced the number and length of cell extensions, and blocked collagen remodeling. Pulldown assays showed that Ca2+ depletion inhibited the interaction of purified FliI with NMMIIA filaments. Fluorescence resonance energy transfer experiments showed that FliI-NMMIIA interactions require Ca2+ influx. We conclude that Ca2+ influx through the TRPV4 channel regulates FliI-NMMIIA interaction, which in turn enables generation of the cell extensions essential for collagen remodeling.
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Affiliation(s)
- Pamma D Arora
- University of Toronto, Room 244, Fitzgerald Building, 150 College Street, Toronto, Ontario, M5S 3E2, Canada
| | - Madeleine Di Gregorio
- University of Toronto, Room 244, Fitzgerald Building, 150 College Street, Toronto, Ontario, M5S 3E2, Canada
| | - Pei He
- University of Toronto, Room 244, Fitzgerald Building, 150 College Street, Toronto, Ontario, M5S 3E2, Canada
| | - Christopher A McCulloch
- University of Toronto, Room 244, Fitzgerald Building, 150 College Street, Toronto, Ontario, M5S 3E2, Canada
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121
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Scheraga RG, Southern BD, Grove LM, Olman MA. The Role of Transient Receptor Potential Vanilloid 4 in Pulmonary Inflammatory Diseases. Front Immunol 2017; 8:503. [PMID: 28523001 PMCID: PMC5415870 DOI: 10.3389/fimmu.2017.00503] [Citation(s) in RCA: 23] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2017] [Accepted: 04/12/2017] [Indexed: 01/01/2023] Open
Abstract
Ion channels/pumps are essential regulators of organ homeostasis and disease. In the present review, we discuss the role of the mechanosensitive cation channel, transient receptor potential vanilloid 4 (TRPV4), in cytokine secretion and pulmonary inflammatory diseases such as asthma, cystic fibrosis (CF), and acute lung injury/acute respiratory distress syndrome (ARDS). TRPV4 has been shown to play a role in lung diseases associated with lung parenchymal stretch or stiffness. TRPV4 indirectly mediates hypotonicity-induced smooth muscle contraction and airway remodeling in asthma. Further, the literature suggests that in CF TRPV4 may improve ciliary beat frequency enhancing mucociliary clearance, while at the same time increasing pro-inflammatory cytokine secretion/lung tissue injury. Currently it is understood that the role of TRPV4 in immune cell function and associated lung tissue injury/ARDS may depend on the injury stimulus. Uncovering the downstream mechanisms of TRPV4 action in pulmonary inflammatory diseases is likely important to understanding disease pathogenesis and may lead to novel therapeutics.
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Affiliation(s)
- Rachel G Scheraga
- Cleveland Clinic, Department of Pathobiology, Lerner Research Institute, Cleveland, OH, USA
| | - Brian D Southern
- Cleveland Clinic, Department of Pathobiology, Lerner Research Institute, Cleveland, OH, USA
| | - Lisa M Grove
- Cleveland Clinic, Department of Pathobiology, Lerner Research Institute, Cleveland, OH, USA
| | - Mitchell A Olman
- Cleveland Clinic, Department of Pathobiology, Lerner Research Institute, Cleveland, OH, USA
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122
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Role of Nonneuronal TRPV4 Signaling in Inflammatory Processes. ADVANCES IN PHARMACOLOGY (SAN DIEGO, CALIF.) 2017; 79:117-139. [PMID: 28528666 DOI: 10.1016/bs.apha.2017.03.002] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Transient receptor potential (TRP) ion channels are important signaling components in nociceptive and inflammatory pathways. This is attributed to their ability to function as polymodal sensors of environmental stimuli (chemical and mechanical) and as effector molecules in receptor signaling pathways. TRP vanilloid 4 (TRPV4) is a nonselective cation channel that is activated by multiple endogenous stimuli including shear stress, membrane stretch, and arachidonic acid metabolites. TRPV4 contributes to many important physiological processes and dysregulation of its activity is associated with chronic conditions of metabolism, inflammation, peripheral neuropathies, musculoskeletal development, and cardiovascular regulation. Mechanosensory and receptor- or lipid-mediated signaling functions of TRPV4 have historically been attributed to central and peripheral neurons. However, with the development of potent and selective pharmacological tools, transgenic mice and improved molecular and imaging techniques, many new roles for TRPV4 have been revealed in nonneuronal cells. In this chapter, we discuss these recent findings and highlight the need for greater characterization of TRPV4-mediated signaling in nonneuronal cell types that are either directly associated with neurons or indirectly control their excitability through release of sensitizing cellular factors. We address the integral role of these cells in sensory and inflammatory processes as well as their importance when considering undesirable on-target effects that may be caused by systemic delivery of TRPV4-selective pharmaceutical agents for treatment of chronic diseases. In future, this will drive a need for targeted drug delivery strategies to regulate such a diverse and promiscuous protein.
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123
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Grace MS, Bonvini SJ, Belvisi MG, McIntyre P. Modulation of the TRPV4 ion channel as a therapeutic target for disease. Pharmacol Ther 2017; 177:9-22. [PMID: 28202366 DOI: 10.1016/j.pharmthera.2017.02.019] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/17/2023]
Abstract
Transient Receptor Potential Vanilloid 4 (TRPV4) is a broadly expressed, polymodally gated ion channel that plays an important role in many physiological and pathophysiological processes. TRPV4 knockout mice and several synthetic pharmacological compounds that selectively target TRPV4 are now available, which has allowed detailed investigation in to the therapeutic potential of this ion channel. Results from animal studies suggest that TRPV4 antagonism has therapeutic potential in oedema, pain, gastrointestinal disorders, and lung diseases such as cough, bronchoconstriction, pulmonary hypertension, and acute lung injury. A lack of observed side-effects in vivo has prompted a first-in-human trial for a TRPV4 antagonist in healthy participants and stable heart failure patients. If successful, this would open up an exciting new area of research for a multitude of TRPV4-related pathologies. This review will discuss the known roles of TRPV4 in disease, and highlight the possible implications of targeting this important cation channel for therapy.
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Affiliation(s)
- Megan S Grace
- Baker Heart and Diabetes Institute, Melbourne, Australia; School of Health and Biomedical Sciences, RMIT University, Bundoora, Melbourne, Australia; Department of Physiology, School of Medicine, Nursing and Health Sciences, Monash University, Melbourne, Australia.
| | - Sara J Bonvini
- Respiratory Pharmacology, National Heart and Lung Institute, Faculty of Medicine, Imperial College London, London, UK
| | - Maria G Belvisi
- Respiratory Pharmacology, National Heart and Lung Institute, Faculty of Medicine, Imperial College London, London, UK
| | - Peter McIntyre
- School of Health and Biomedical Sciences, RMIT University, Bundoora, Melbourne, Australia
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124
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Mennens SFB, van den Dries K, Cambi A. Role for Mechanotransduction in Macrophage and Dendritic Cell Immunobiology. Results Probl Cell Differ 2017; 62:209-242. [PMID: 28455711 DOI: 10.1007/978-3-319-54090-0_9] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
Tissue homeostasis is not only controlled by biochemical signals but also through mechanical forces that act on cells. Yet, while it has long been known that biochemical signals have profound effects on cell biology, the importance of mechanical forces has only been recognized much more recently. The types of mechanical stress that cells experience include stretch, compression, and shear stress, which are mainly induced by the extracellular matrix, cell-cell contacts, and fluid flow. Importantly, macroscale tissue deformation through stretch or compression also affects cellular function.Immune cells such as macrophages and dendritic cells are present in almost all peripheral tissues, and monocytes populate the vasculature throughout the body. These cells are unique in the sense that they are subject to a large variety of different mechanical environments, and it is therefore not surprising that key immune effector functions are altered by mechanical stimuli. In this chapter, we describe the different types of mechanical signals that cells encounter within the body and review the current knowledge on the role of mechanical signals in regulating macrophage, monocyte, and dendritic cell function.
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Affiliation(s)
- Svenja F B Mennens
- Department of Cell Biology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Geert Grooteplein Zuid 26-28, 6525 GA, Nijmegen, The Netherlands
| | - Koen van den Dries
- Department of Cell Biology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Geert Grooteplein Zuid 26-28, 6525 GA, Nijmegen, The Netherlands
| | - Alessandra Cambi
- Department of Cell Biology, Radboud Institute for Molecular Life Sciences, Radboud University Medical Center, Geert Grooteplein Zuid 26-28, 6525 GA, Nijmegen, The Netherlands.
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125
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Dalsgaard T, Sonkusare SK, Teuscher C, Poynter ME, Nelson MT. Pharmacological inhibitors of TRPV4 channels reduce cytokine production, restore endothelial function and increase survival in septic mice. Sci Rep 2016; 6:33841. [PMID: 27653046 PMCID: PMC5031985 DOI: 10.1038/srep33841] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2016] [Accepted: 09/02/2016] [Indexed: 12/11/2022] Open
Abstract
Sepsis is characterized by systemic inflammation, edema formation and hypo-perfusion leading to organ dysfunction and ultimately death. Activation of the transient receptor potential vanilloid type 4 (TRPV4) channel is associated with edema formation and circulatory collapse. Here, we show that TRPV4 channels are involved in the hyper-inflammatory response and mortality associated with sepsis. Pharmacological inhibition of TRPV4 channels in mice reduced mortality in lipopolysaccharide and cecal-ligation-and-puncture models of sepsis, but not in a tumor necrosis factor-α (TNFα)-induced sepsis model. These protective effects of TRPV4 channel inhibition were attributable to prevention of the sepsis-induced surge of a broad spectrum of pro-inflammatory cytokines, including TNFα, interleukin (IL)-1 and IL-6, and subsequent preservation of endothelial cell function, including Ca2+ signaling, integrity and endothelium-dependent vasodilation. These results suggest that TRPV4 antagonists may be of therapeutic utility in the management of sepsis.
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Affiliation(s)
- Thomas Dalsgaard
- Department of Pharmacology, College of Medicine, University of Vermont, Burlington, VT 05405, USA
| | - Swapnil K Sonkusare
- Department of Pharmacology, College of Medicine, University of Vermont, Burlington, VT 05405, USA
| | - Cory Teuscher
- Department of Medicine, Immunobiology Program, University of Vermont, Burlington, VT 05405, USA
| | - Matthew E Poynter
- Department of Medicine, Division of Pulmonary Disease and Critical Care, University of Vermont, Burlington, VT 05405, USA
| | - Mark T Nelson
- Department of Pharmacology, College of Medicine, University of Vermont, Burlington, VT 05405, USA.,Institute of Cardiovascular Sciences, University of Manchester, Manchester M13 9NT, UK
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126
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Chen S, Ren H, Mei Z, Zhuo H, Yang H, Ge Z. Exploring the Biocompatibility of Zwitterionic Copolymers for Controlling Macrophage Phagocytosis of Bacteria. Macromol Biosci 2016; 16:1714-1722. [DOI: 10.1002/mabi.201600306] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Revised: 08/22/2016] [Indexed: 12/17/2022]
Affiliation(s)
- Shaojun Chen
- Guangdong Research Center for Interfacial Engineering of Functional Materials; Shenzhen Key Laboratory of Polymer Science and Technology; Nanshan District Key Lab for Biopolymers and Safety Evaluation; College of Materials Science and Engineering; Shenzhen University; Shenzhen 518060 China
| | - Huanhuan Ren
- Guangdong Research Center for Interfacial Engineering of Functional Materials; Shenzhen Key Laboratory of Polymer Science and Technology; Nanshan District Key Lab for Biopolymers and Safety Evaluation; College of Materials Science and Engineering; Shenzhen University; Shenzhen 518060 China
| | - Zhankui Mei
- Guangdong Research Center for Interfacial Engineering of Functional Materials; Shenzhen Key Laboratory of Polymer Science and Technology; Nanshan District Key Lab for Biopolymers and Safety Evaluation; College of Materials Science and Engineering; Shenzhen University; Shenzhen 518060 China
| | - Haitao Zhuo
- College of Chemistry and Environmental Engineering; Shenzhen University; Shenzhen 518060 China
| | - Haipeng Yang
- Guangdong Research Center for Interfacial Engineering of Functional Materials; Shenzhen Key Laboratory of Polymer Science and Technology; Nanshan District Key Lab for Biopolymers and Safety Evaluation; College of Materials Science and Engineering; Shenzhen University; Shenzhen 518060 China
| | - Zaochuan Ge
- Guangdong Research Center for Interfacial Engineering of Functional Materials; Shenzhen Key Laboratory of Polymer Science and Technology; Nanshan District Key Lab for Biopolymers and Safety Evaluation; College of Materials Science and Engineering; Shenzhen University; Shenzhen 518060 China
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127
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Chen S, Mei Z, Ren H, Zhuo H, Liu J, Ge Z. Pyridine type zwitterionic polyurethane with both multi-shape memory effect and moisture-sensitive shape memory effect for smart biomedical application. Polym Chem 2016. [DOI: 10.1039/c6py01099g] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
The pyridine type zwitterionic SMPUs have thermal-induced dual-SMEs, triple-SMEs and quadruple-SMEs, and moisture-sensitive SMEs. Zwitterionic segments improve the biocompatibility of pyridine containing SMPUs.
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Affiliation(s)
- Shaojun Chen
- Guangdong Research Center for Interfacial Engineering of Functional Materials
- Shenzhen Key Laboratory of Polymer Science and Technology
- College of Materials Science and Engineering
- Shenzhen University
- Shenzhen 518060
| | - Zhankui Mei
- Guangdong Research Center for Interfacial Engineering of Functional Materials
- Shenzhen Key Laboratory of Polymer Science and Technology
- College of Materials Science and Engineering
- Shenzhen University
- Shenzhen 518060
| | - Huanhuan Ren
- Guangdong Research Center for Interfacial Engineering of Functional Materials
- Shenzhen Key Laboratory of Polymer Science and Technology
- College of Materials Science and Engineering
- Shenzhen University
- Shenzhen 518060
| | - Haitao Zhuo
- College of Chemistry and Chemical Engineering
- Shenzhen University
- Shenzhen
- China
| | - Jianhong Liu
- College of Chemistry and Chemical Engineering
- Shenzhen University
- Shenzhen
- China
| | - Zaochuan Ge
- Guangdong Research Center for Interfacial Engineering of Functional Materials
- Shenzhen Key Laboratory of Polymer Science and Technology
- College of Materials Science and Engineering
- Shenzhen University
- Shenzhen 518060
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