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Ambrogi M, Vezina CM. Roles of airway and intestinal epithelia in responding to pathogens and maintaining tissue homeostasis. Front Cell Infect Microbiol 2024; 14:1346087. [PMID: 38736751 PMCID: PMC11082347 DOI: 10.3389/fcimb.2024.1346087] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2023] [Accepted: 04/10/2024] [Indexed: 05/14/2024] Open
Abstract
Epithelial cells form a resilient barrier and orchestrate defensive and reparative mechanisms to maintain tissue stability. This review focuses on gut and airway epithelia, which are positioned where the body interfaces with the outside world. We review the many signaling pathways and mechanisms by which epithelial cells at the interface respond to invading pathogens to mount an innate immune response and initiate adaptive immunity and communicate with other cells, including resident microbiota, to heal damaged tissue and maintain homeostasis. We compare and contrast how airway and gut epithelial cells detect pathogens, release antimicrobial effectors, collaborate with macrophages, Tregs and epithelial stem cells to mount an immune response and orchestrate tissue repair. We also describe advanced research models for studying epithelial communication and behaviors during inflammation, tissue injury and disease.
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Affiliation(s)
| | - Chad M. Vezina
- Department of Comparative Biosciences, School of Veterinary Medicine, University of Wisconsin-Madison, Madison, WI, United States
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2
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Kume M, Ahmad A, DeFea KA, Vagner J, Dussor G, Boitano S, Price TJ. Protease-Activated Receptor 2 (PAR2) Expressed in Sensory Neurons Contributes to Signs of Pain and Neuropathy in Paclitaxel Treated Mice. THE JOURNAL OF PAIN 2023; 24:1980-1993. [PMID: 37315729 PMCID: PMC10615692 DOI: 10.1016/j.jpain.2023.06.006] [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] [Received: 02/13/2023] [Revised: 05/26/2023] [Accepted: 06/07/2023] [Indexed: 06/16/2023]
Abstract
Chemotherapy-induced peripheral neuropathy (CIPN) is a common, dose-limiting side effect of cancer therapy. Protease-activated receptor 2 (PAR2) is implicated in a variety of pathologies, including CIPN. In this study, we demonstrate the role of PAR2 expressed in sensory neurons in a paclitaxel (PTX)-induced model of CIPN in mice. PAR2 knockout/wildtype (WT) mice and mice with PAR2 ablated in sensory neurons were treated with PTX administered via intraperitoneal injection. In vivo behavioral studies were done in mice using von Frey filaments and the Mouse Grimace Scale. We then examined immunohistochemical staining of dorsal root ganglion (DRG) and hind paw skin samples from CIPN mice to measure satellite cell gliosis and intra-epidermal nerve fiber (IENF) density. The pharmacological reversal of CIPN pain was tested with the PAR2 antagonist C781. Mechanical allodynia caused by PTX treatment was alleviated in PAR2 knockout mice of both sexes. In the PAR2 sensory neuronal conditional knockout (cKO) mice, both mechanical allodynia and facial grimacing were attenuated in mice of both sexes. In the DRG of the PTX-treated PAR2 cKO mice, satellite glial cell activation was reduced compared to control mice. IENF density analysis of the skin showed that the PTX-treated control mice had a reduction in nerve fiber density while the PAR2 cKO mice had a comparable skin innervation as the vehicle-treated animals. Similar results were seen with satellite cell gliosis in the DRG, where gliosis induced by PTX was absent in PAR cKO mice. Finally, C781 was able to transiently reverse established PTX-evoked mechanical allodynia. PERSPECTIVE: Our work demonstrates that PAR2 expressed in sensory neurons plays a key role in PTX-induced mechanical allodynia, spontaneous pain, and signs of neuropathy, suggesting PAR2 as a possible therapeutic target in multiple aspects of PTX CIPN.
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Affiliation(s)
- Moeno Kume
- University of Texas at Dallas, Department of Neuroscience and Center for Advanced Pain Studies
| | - Ayesha Ahmad
- University of Texas at Dallas, Department of Neuroscience and Center for Advanced Pain Studies
| | | | | | - Gregory Dussor
- University of Texas at Dallas, Department of Neuroscience and Center for Advanced Pain Studies
| | - Scott Boitano
- University of Arizona Bio5 Research Institute
- University of Arizona Heath Sciences, Asthma and Airway Disease Research Center
- University of Arizona Heath Sciences, Department of Physiology
| | - Theodore J. Price
- University of Texas at Dallas, Department of Neuroscience and Center for Advanced Pain Studies
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3
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Kalpachidou T, Malsch P, Qi Y, Mair N, Geley S, Quarta S, Kummer KK, Kress M. Genetic and functional evidence for gp130/IL6ST-induced transient receptor potential ankyrin 1 upregulation in uninjured but not injured neurons in a mouse model of neuropathic pain. Pain 2022; 163:579-589. [PMID: 34252913 PMCID: PMC8832546 DOI: 10.1097/j.pain.0000000000002402] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2021] [Revised: 06/27/2021] [Accepted: 06/30/2021] [Indexed: 11/26/2022]
Abstract
ABSTRACT Peripheral nerve injuries result in pronounced alterations in dorsal root ganglia, which can lead to the development of neuropathic pain. Although the polymodal mechanosensitive transient receptor potential ankyrin 1 (TRPA1) ion channel is emerging as a relevant target for potential analgesic therapies, preclinical studies do not provide unequivocal mechanistic insight into its relevance for neuropathic pain pathogenesis. By using a transgenic mouse model with a conditional depletion of the interleukin-6 (IL-6) signal transducer gp130 in Nav1.8 expressing neurons (SNS-gp130-/-), we provide a mechanistic regulatory link between IL-6/gp130 and TRPA1 in the spared nerve injury (SNI) model. Spared nerve injury mice developed profound mechanical hypersensitivity as indicated by decreased withdrawal thresholds in the von Frey behavioral test in vivo, as well as a significant increase in mechanosensitivity of unmyelinated nociceptive primary afferents in ex vivo skin-nerve recordings. In contrast to wild type and control gp130fl/fl animals, SNS-gp130-/- mice did not develop mechanical hypersensitivity after SNI and exhibited low levels of Trpa1 mRNA in sensory neurons, which were partially restored by adenoviral gp130 re-expression in vitro. Importantly, uninjured but not injured neurons developed increased responsiveness to the TRPA1 agonist cinnamaldehyde, and neurons derived from SNS-gp130-/- mice after SNI were significantly less responsive to cinnamaldehyde. Our study shows for the first time that TRPA1 upregulation is attributed specifically to uninjured neurons in the SNI model, and this depended on the IL-6 signal transducer gp130. We provide a solution to the enigma of TRPA1 regulation after nerve injury and stress its significance as an important target for neuropathic pain disorders.
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Affiliation(s)
- Theodora Kalpachidou
- Institute of Physiology, DPMP, Medical University of Innsbruck, Innsbruck, Austria
| | - Philipp Malsch
- Institute of Physiology, DPMP, Medical University of Innsbruck, Innsbruck, Austria
| | - Yanmei Qi
- Institute of Physiology, DPMP, Medical University of Innsbruck, Innsbruck, Austria
| | - Norbert Mair
- Institute of Physiology, DPMP, Medical University of Innsbruck, Innsbruck, Austria
| | - Stephan Geley
- Institute of Pathophysiology, Biocenter, Medical University of Innsbruck, Innsbruck, Austria
| | - Serena Quarta
- Institute of Physiology, DPMP, Medical University of Innsbruck, Innsbruck, Austria
| | - Kai K. Kummer
- Institute of Physiology, DPMP, Medical University of Innsbruck, Innsbruck, Austria
| | - Michaela Kress
- Institute of Physiology, DPMP, Medical University of Innsbruck, Innsbruck, Austria
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4
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Pierre O, Fouchard M, Le Goux N, Buscaglia P, Leschiera R, Lewis RJ, Mignen O, Fluhr JW, Misery L, Le Garrec R. Pacific-Ciguatoxin-2 and Brevetoxin-1 Induce the Sensitization of Sensory Receptors Mediating Pain and Pruritus in Sensory Neurons. Mar Drugs 2021; 19:387. [PMID: 34356812 PMCID: PMC8306505 DOI: 10.3390/md19070387] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2021] [Revised: 06/25/2021] [Accepted: 06/26/2021] [Indexed: 11/24/2022] Open
Abstract
Ciguatera fish poisoning (CFP) and neurotoxic shellfish poisoning syndromes are induced by the consumption of seafood contaminated by ciguatoxins and brevetoxins. Both toxins cause sensory symptoms such as paresthesia, cold dysesthesia and painful disorders. An intense pruritus, which may become chronic, occurs also in CFP. No curative treatment is available and the pathophysiology is not fully elucidated. Here we conducted single-cell calcium video-imaging experiments in sensory neurons from newborn rats to study in vitro the ability of Pacific-ciguatoxin-2 (P-CTX-2) and brevetoxin-1 (PbTx-1) to sensitize receptors and ion channels, (i.e., to increase the percentage of responding cells and/or the response amplitude to their pharmacological agonists). In addition, we studied the neurotrophin release in sensory neurons co-cultured with keratinocytes after exposure to P-CTX-2. Our results show that P-CTX-2 induced the sensitization of TRPA1, TRPV4, PAR2, MrgprC, MrgprA and TTX-r NaV channels in sensory neurons. P-CTX-2 increased the release of nerve growth factor and brain-derived neurotrophic factor in the co-culture supernatant, suggesting that those neurotrophins could contribute to the sensitization of the aforementioned receptors and channels. Our results suggest the potential role of sensitization of sensory receptors/ion channels in the induction or persistence of sensory disturbances in CFP syndrome.
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Affiliation(s)
- Ophélie Pierre
- Laboratoire Interactions Epithéliums-Neurones (LIEN), University of Brest, EA4685, F-29200 Brest, France; (M.F.); (R.L.); (J.W.F.); (L.M.); (R.L.G.)
| | - Maxime Fouchard
- Laboratoire Interactions Epithéliums-Neurones (LIEN), University of Brest, EA4685, F-29200 Brest, France; (M.F.); (R.L.); (J.W.F.); (L.M.); (R.L.G.)
- Department of Dermatology, University Hospital of Brest, F-29200 Brest, France
| | - Nelig Le Goux
- Lymphocytes B et Autoimmunité, Faculty of Medicine and Health Sciences, University of Brest, Inserm, UMR1227, F-29200 Brest, France; (N.L.G.); (P.B.); (O.M.)
| | - Paul Buscaglia
- Lymphocytes B et Autoimmunité, Faculty of Medicine and Health Sciences, University of Brest, Inserm, UMR1227, F-29200 Brest, France; (N.L.G.); (P.B.); (O.M.)
- Department of Molecular Physiology and Biophysics, Fraternal Order of Eagle Diabetes Research Center, Iowa Neuroscience Institute, Pappajohn Biomedical Institute, University of Iowa, Iowa City, IA 52242, USA
| | - Raphaël Leschiera
- Laboratoire Interactions Epithéliums-Neurones (LIEN), University of Brest, EA4685, F-29200 Brest, France; (M.F.); (R.L.); (J.W.F.); (L.M.); (R.L.G.)
| | - Richard J. Lewis
- Institute for Molecular Bioscience, The University of Queensland, St. Lucia, QLD 4072, Australia;
| | - Olivier Mignen
- Lymphocytes B et Autoimmunité, Faculty of Medicine and Health Sciences, University of Brest, Inserm, UMR1227, F-29200 Brest, France; (N.L.G.); (P.B.); (O.M.)
| | - Joachim W. Fluhr
- Laboratoire Interactions Epithéliums-Neurones (LIEN), University of Brest, EA4685, F-29200 Brest, France; (M.F.); (R.L.); (J.W.F.); (L.M.); (R.L.G.)
- Department of Dermatology, University Hospital of Brest, F-29200 Brest, France
- Department of Dermatology and Allergology, Universitaetsmedizin Charité Berlin, D-10117 Berlin, Germany
| | - Laurent Misery
- Laboratoire Interactions Epithéliums-Neurones (LIEN), University of Brest, EA4685, F-29200 Brest, France; (M.F.); (R.L.); (J.W.F.); (L.M.); (R.L.G.)
- Department of Dermatology, University Hospital of Brest, F-29200 Brest, France
| | - Raphaële Le Garrec
- Laboratoire Interactions Epithéliums-Neurones (LIEN), University of Brest, EA4685, F-29200 Brest, France; (M.F.); (R.L.); (J.W.F.); (L.M.); (R.L.G.)
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Talavera K, Startek JB, Alvarez-Collazo J, Boonen B, Alpizar YA, Sanchez A, Naert R, Nilius B. Mammalian Transient Receptor Potential TRPA1 Channels: From Structure to Disease. Physiol Rev 2019; 100:725-803. [PMID: 31670612 DOI: 10.1152/physrev.00005.2019] [Citation(s) in RCA: 214] [Impact Index Per Article: 42.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023] Open
Abstract
The transient receptor potential ankyrin (TRPA) channels are Ca2+-permeable nonselective cation channels remarkably conserved through the animal kingdom. Mammals have only one member, TRPA1, which is widely expressed in sensory neurons and in non-neuronal cells (such as epithelial cells and hair cells). TRPA1 owes its name to the presence of 14 ankyrin repeats located in the NH2 terminus of the channel, an unusual structural feature that may be relevant to its interactions with intracellular components. TRPA1 is primarily involved in the detection of an extremely wide variety of exogenous stimuli that may produce cellular damage. This includes a plethora of electrophilic compounds that interact with nucleophilic amino acid residues in the channel and many other chemically unrelated compounds whose only common feature seems to be their ability to partition in the plasma membrane. TRPA1 has been reported to be activated by cold, heat, and mechanical stimuli, and its function is modulated by multiple factors, including Ca2+, trace metals, pH, and reactive oxygen, nitrogen, and carbonyl species. TRPA1 is involved in acute and chronic pain as well as inflammation, plays key roles in the pathophysiology of nearly all organ systems, and is an attractive target for the treatment of related diseases. Here we review the current knowledge about the mammalian TRPA1 channel, linking its unique structure, widely tuned sensory properties, and complex regulation to its roles in multiple pathophysiological conditions.
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Affiliation(s)
- Karel Talavera
- Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven; VIB Center for Brain and Disease Research, Leuven, Belgium
| | - Justyna B Startek
- Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven; VIB Center for Brain and Disease Research, Leuven, Belgium
| | - Julio Alvarez-Collazo
- Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven; VIB Center for Brain and Disease Research, Leuven, Belgium
| | - Brett Boonen
- Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven; VIB Center for Brain and Disease Research, Leuven, Belgium
| | - Yeranddy A Alpizar
- Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven; VIB Center for Brain and Disease Research, Leuven, Belgium
| | - Alicia Sanchez
- Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven; VIB Center for Brain and Disease Research, Leuven, Belgium
| | - Robbe Naert
- Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven; VIB Center for Brain and Disease Research, Leuven, Belgium
| | - Bernd Nilius
- Laboratory of Ion Channel Research, Department of Cellular and Molecular Medicine, KU Leuven; VIB Center for Brain and Disease Research, Leuven, Belgium
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Alavi MS, Shamsizadeh A, Karimi G, Roohbakhsh A. Transient receptor potential ankyrin 1 (TRPA1)-mediated toxicity: friend or foe? Toxicol Mech Methods 2019; 30:1-18. [PMID: 31409172 DOI: 10.1080/15376516.2019.1652872] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Transient receptor potential (TRP) channels have been widely studied during the last decade. New studies uncover new features and potential applications for these channels. TRPA1 has a huge distribution all over the human body and has been reported to be involved in different physiological and pathological conditions including cold, pain, and damage sensation. Considering its role, many studies have been devoted to evaluating the role of this channel in the initiation and progression of different toxicities. Accordingly, we reviewed the most recent studies and divided the role of TRPA1 in toxicology into the following sections: neurotoxicity, cardiotoxicity, dermatotoxicity, and pulmonary toxicity. Acetaminophen, heavy metals, tear gases, various chemotherapeutic agents, acrolein, wood smoke particulate materials, particulate air pollution materials, diesel exhaust particles, cigarette smoke extracts, air born irritants, sulfur mustard, and plasticizers are selected compounds and materials with toxic effects that are, at least in part, mediated by TRPA1. Considering the high safety of TRPA1 antagonists and their efficacy to resolve selected toxic or adverse drug reactions, the future of these drugs looks promising.
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Affiliation(s)
- Mohaddeseh Sadat Alavi
- Division of Neurocognitive Sciences, Psychiatry and Behavioral Sciences Research Center, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Ali Shamsizadeh
- Physiology-Pharmacology Research Center, Rafsanjan University of Medical Sciences, Rafsanjan, Iran
| | - Gholamreza Karimi
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Ali Roohbakhsh
- Pharmaceutical Research Center, Pharmaceutical Technology Institute, Mashhad University of Medical Sciences, Mashhad, Iran.,Department of Pharmacodynamics and Toxicology, School of Pharmacy, Mashhad University of Medical Sciences, Mashhad, Iran
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Carboplatin Enhances the Activity of Human Transient Receptor Potential Ankyrin 1 through the Cyclic AMP-Protein Kinase A-A-Kinase Anchoring Protein (AKAP) Pathways. Int J Mol Sci 2019; 20:ijms20133271. [PMID: 31277262 PMCID: PMC6651390 DOI: 10.3390/ijms20133271] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/14/2019] [Revised: 07/01/2019] [Accepted: 07/02/2019] [Indexed: 02/06/2023] Open
Abstract
Carboplatin, an anticancer drug, often causes chemotherapy-induced peripheral neuropathy (PN). Transient receptor potential ankyrin 1 (TRPA1), a non-selective cation channel, is a polymodal nociceptor expressed in sensory neurons. TRPA1 is not only involved in pain transmission, but also in allodynia or hyperalgesia development. However, the effects of TRPA1 on carboplatin-induced PN is unclear. We revealed that carboplatin induced mechanical allodynia and cold hyperalgesia, and the pains observed in carboplatin-induced PN models were significantly suppressed by the TRPA1 antagonist HC-030031 without a change in the level of TRPA1 protein. In cells expressing human TRPA, carboplatin had no effects on changes in intracellular Ca2+ concentration ([Ca2+]i); however, carboplatin pretreatment enhanced the increase in [Ca2+]i induced by the TRPA1 agonist, allyl isothiocyanate (AITC). These effects were suppressed by an inhibitor of protein kinase A (PKA). The PKA activator forskolin enhanced AITC-induced increase in [Ca2+]i and carboplatin itself increased intracellular cyclic adenosine monophosphate (cAMP) levels. Moreover, inhibition of A-kinase anchoring protein (AKAP) significantly decreased the carboplatin-induced enhancement of [Ca2+]i induced by AITC and improved carboplatin-induced mechanical allodynia and cold hyperalgesia. These results suggested that carboplatin induced mechanical allodynia and cold hyperalgesia by increasing sensitivity to TRPA1 via the cAMP-PKA-AKAP pathway.
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Giorgi S, Nikolaeva-Koleva M, Alarcón-Alarcón D, Butrón L, González-Rodríguez S. Is TRPA1 Burning Down TRPV1 as Druggable Target for the Treatment of Chronic Pain? Int J Mol Sci 2019; 20:ijms20122906. [PMID: 31197115 PMCID: PMC6627658 DOI: 10.3390/ijms20122906] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2019] [Revised: 06/12/2019] [Accepted: 06/13/2019] [Indexed: 12/14/2022] Open
Abstract
Over the last decades, a great array of molecular mediators have been identified as potential targets for the treatment of chronic pain. Among these mediators, transient receptor potential (TRP) channel superfamily members have been thoroughly studied. Namely, the nonselective cationic channel, transient receptor potential ankyrin subtype 1 (TRPA1), has been described as a chemical nocisensor involved in noxious cold and mechanical sensation and as rivalling TRPV1, which traditionally has been considered as the most important TRP channel involved in nociceptive transduction. However, few TRPA1-related drugs have succeeded in clinical trials. In the present review, we attempt to discuss the latest data on the topic and future directions for pharmacological intervention.
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Affiliation(s)
- Simona Giorgi
- Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Avda de la Univesidad s/n, Universidad Miguel Hernández, 03202 Elche, Spain.
| | - Magdalena Nikolaeva-Koleva
- Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Avda de la Univesidad s/n, Universidad Miguel Hernández, 03202 Elche, Spain.
- AntalGenics, SL. Ed. Quorum III, Parque Científico Universidad Miguel Hernández, Avda de la Universidad s/n, 03202 Elche, Spain.
| | - David Alarcón-Alarcón
- Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Avda de la Univesidad s/n, Universidad Miguel Hernández, 03202 Elche, Spain.
| | - Laura Butrón
- Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Avda de la Univesidad s/n, Universidad Miguel Hernández, 03202 Elche, Spain.
| | - Sara González-Rodríguez
- Instituto de Investigación, Desarrollo e Innovación en Biotecnología Sanitaria de Elche (IDiBE), Avda de la Univesidad s/n, Universidad Miguel Hernández, 03202 Elche, Spain.
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Zhu J, Zhang S, Geng Y, Song Y. Transient receptor potential ankyrin 1 protects against sepsis-induced kidney injury by modulating mitochondrial biogenesis and mitophagy. Am J Transl Res 2018; 10:4163-4172. [PMID: 30662659 PMCID: PMC6325509] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2018] [Accepted: 11/23/2018] [Indexed: 06/09/2023]
Abstract
This study was undertaken to investigate the cytoprotective role of transient receptor potential ankyrin 1 (TRPA1) in sepsis-induced kidney injury. The Cecal ligation and puncture (CLP) was employed to induce septic kidney injury in C57BL/6 mice. Six hours before CLP or a sham procedure, mice were injected intraperitoneally with 10 mg/kg hemin or 30 mg/kg of the TRPA1 antagonist A-967079. Our study showed that mice treated with A-967079 exhibited less sepsis-induced mortality and kidney injury compared with those in the sham group. Moreover, A-967079 prevented multiple organ dysfunction, pathological changes, and increased secretion of in proinflammatory cytokines. In addition, A-967079 decreased the levels of mitochondrial lipid peroxidation and mitochondrial dysfunction in kidney tissues. The protein levels of mitochondrial biogenesis markers, including Sirt1, nuclear respiratory factor 1, and mitochondrial transcription factor A, were decreased in the A-967079 treatment group. Additionally, A-967079 treatment attenuated mitochondrial mitophagy. The levels of PTEN-induced putative kinase 1 increased and parkin levels decreased compared to the untreated CLP group. Our findings suggest that TRPA1 prevents septic injury by modulating mitochondrial biogenesis and mitophagy.
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Affiliation(s)
- Jinqiang Zhu
- Department of Medical Intensive Care Unit, The First People's Hospital of Wenling Wenling 317500, Taizhou, Zhejiang Province, China
| | - Shuai Zhang
- Department of Medical Intensive Care Unit, The First People's Hospital of Wenling Wenling 317500, Taizhou, Zhejiang Province, China
| | - Yanqing Geng
- Department of Medical Intensive Care Unit, The First People's Hospital of Wenling Wenling 317500, Taizhou, Zhejiang Province, China
| | - Yukang Song
- Department of Medical Intensive Care Unit, The First People's Hospital of Wenling Wenling 317500, Taizhou, Zhejiang Province, China
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Nazıroğlu M, Braidy N. Thermo-Sensitive TRP Channels: Novel Targets for Treating Chemotherapy-Induced Peripheral Pain. Front Physiol 2017; 8:1040. [PMID: 29326595 PMCID: PMC5733463 DOI: 10.3389/fphys.2017.01040] [Citation(s) in RCA: 80] [Impact Index Per Article: 11.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2017] [Accepted: 11/29/2017] [Indexed: 12/19/2022] Open
Abstract
Abnormal Ca2+ channel physiology, expression levels, and hypersensitivity to heat have been implicated in several pain states following treatment with chemotherapeutic agents. As members of the Ca2+ permeable transient receptor potential (TRP), five of the channels (TRPV1-4 and TRPM2) are activated by different heat temperatures, and two of the channels (TRPA1 and TRPM8) are activated by cold temperature. Accumulating evidences indicates that antagonists of TRPA1 and TRPM8 may protect against cisplatin, oxaliplatin, and paclitaxel-induced mitochondrial oxidative stress, inflammation, cold allodynia, and hyperalgesia. TRPV1 was responsible from the cisplatin-induced heat hyperalgesia and mechanical allodynia in the sensory neurons. TRPA1, TRPM8, and TRPV2 protein expression levels were mostly increased in the dorsal root (DRG) and trigeminal ganglia by these treatments. There is a debate on direct or oxaliplatin-induced oxidative cold stress dependent TRPA1 and TRPV4 activation in the DRG. Involvement of molecular pathways such as cysteine groups, glutathione metabolism, anandamide, cAMP, lipopolysaccharide, proteinase-activated receptor 2, and mitogen-activated protein kinase were also indicated in the oxaliplatin and paclitaxel-induced cold allodynia. In this review, we summarized results of five temperature-regulated TRP channels (TRPA1, TRPM8, TRPV1, TRPV2, and TRPV4) as novel targets for treating chemotherapy-induced peripheral pain
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Affiliation(s)
- Mustafa Nazıroğlu
- Neuroscience Research Center, Suleyman Demirel University, Isparta, Turkey
| | - Nady Braidy
- Centre for Healthy Brain Ageing, School of Psychiatry, University of New South Wales, Sydney, NSW, Australia
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