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Sekiguchi F, Tsubota M, Kawabata A. Sulfide and polysulfide as pronociceptive mediators: Focus on Ca v3.2 function enhancement and TRPA1 activation. J Pharmacol Sci 2024; 155:113-120. [PMID: 38797535 DOI: 10.1016/j.jphs.2024.04.007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/26/2024] [Revised: 04/19/2024] [Accepted: 04/28/2024] [Indexed: 05/29/2024] Open
Abstract
Reactive sulfur species including sulfides, polysulfides and cysteine hydropersulfide play extensive roles in health and disease, which involve modification of protein functions through the interaction with metals bound to the proteins, cleavage of cysteine disulfide (S-S) bonds and S-persulfidation of cysteine residues. Sulfides over a wide micromolar concentration range enhance the activity of Cav3.2 T-type Ca2+ channels by eliminating Zn2+ bound to the channels, thereby promoting somatic and visceral pain. Cav3.2 is under inhibition by Zn2+ in physiological conditions, so that sulfides function to reboot Cav3.2 from Zn2+ inhibition and increase the excitability of nociceptors. On the other hand, polysulfides generated from sulfides activate TRPA1 channels via cysteine S-persulfidation, thereby facilitating somatic, but not visceral, pain. Thus, Cav3.2 function enhancement by sulfides and TRPA1 activation by polysulfides, synergistically accelerate somatic pain signals. The increased activity of the sulfide/Cav3.2 system, in particular, appears to have a great impact on pathological pain, and may thus serve as a therapeutic target for treatment of neuropathic and inflammatory pain including visceral pain.
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Affiliation(s)
- Fumiko Sekiguchi
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, 577-8502, Japan
| | - Maho Tsubota
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, 577-8502, Japan
| | - Atsufumi Kawabata
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, 577-8502, Japan.
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2
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Ye H, Borusak S, Eberl C, Krasenbrink J, Weiss AS, Chen SC, Hanson BT, Hausmann B, Herbold CW, Pristner M, Zwirzitz B, Warth B, Pjevac P, Schleheck D, Stecher B, Loy A. Ecophysiology and interactions of a taurine-respiring bacterium in the mouse gut. Nat Commun 2023; 14:5533. [PMID: 37723166 PMCID: PMC10507020 DOI: 10.1038/s41467-023-41008-z] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/04/2022] [Accepted: 08/21/2023] [Indexed: 09/20/2023] Open
Abstract
Taurine-respiring gut bacteria produce H2S with ambivalent impact on host health. We report the isolation and ecophysiological characterization of a taurine-respiring mouse gut bacterium. Taurinivorans muris strain LT0009 represents a new widespread species that differs from the human gut sulfidogen Bilophila wadsworthia in its sulfur metabolism pathways and host distribution. T. muris specializes in taurine respiration in vivo, seemingly unaffected by mouse diet and genotype, but is dependent on other bacteria for release of taurine from bile acids. Colonization of T. muris in gnotobiotic mice increased deconjugation of taurine-conjugated bile acids and transcriptional activity of a sulfur metabolism gene-encoding prophage in other commensals, and slightly decreased the abundance of Salmonella enterica, which showed reduced expression of galactonate catabolism genes. Re-analysis of metagenome data from a previous study further suggested that T. muris can contribute to protection against pathogens by the commensal mouse gut microbiota. Together, we show the realized physiological niche of a key murine gut sulfidogen and its interactions with selected gut microbiota members.
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Affiliation(s)
- Huimin Ye
- Division of Microbial Ecology, Centre for Microbiology and Environmental Systems Science, University of Vienna, Vienna, Austria
- Doctoral School in Microbiology and Environmental Science, Centre for Microbiology and Environmental Systems Science, University of Vienna, Vienna, Austria
| | - Sabrina Borusak
- Department of Biology and Konstanz Research School Chemical Biology, University of Konstanz, Konstanz, Germany
| | - Claudia Eberl
- Max-von-Pettenkofer Institute, Ludwig Maximilian University Munich, Munich, Germany
| | - Julia Krasenbrink
- Division of Microbial Ecology, Centre for Microbiology and Environmental Systems Science, University of Vienna, Vienna, Austria
- Doctoral School in Microbiology and Environmental Science, Centre for Microbiology and Environmental Systems Science, University of Vienna, Vienna, Austria
| | - Anna S Weiss
- Max-von-Pettenkofer Institute, Ludwig Maximilian University Munich, Munich, Germany
| | - Song-Can Chen
- Division of Microbial Ecology, Centre for Microbiology and Environmental Systems Science, University of Vienna, Vienna, Austria
| | - Buck T Hanson
- Division of Microbial Ecology, Centre for Microbiology and Environmental Systems Science, University of Vienna, Vienna, Austria
- Austrian Competence Centre for Feed and Food Quality, Safety and Innovation FFoQSI GmbH, Tulln, Austria
- Institute of Food Safety, Food Technology and Veterinary Public Health, University of Veterinary Medicine, Vienna, Austria
| | - Bela Hausmann
- Joint Microbiome Facility of the Medical University of Vienna and the University of Vienna, Vienna, Austria
- Department of Laboratory Medicine, Medical University of Vienna, Vienna, Austria
| | - Craig W Herbold
- Division of Microbial Ecology, Centre for Microbiology and Environmental Systems Science, University of Vienna, Vienna, Austria
- Te Kura Pūtaiao Koiora, School of Biological Sciences, Te Whare Wānanga o Waitaha, University of Canterbury, Christchurch, New Zealand
| | - Manuel Pristner
- Department of Food Chemistry and Toxicology, University of Vienna, Vienna, Austria
| | - Benjamin Zwirzitz
- Division of Microbial Ecology, Centre for Microbiology and Environmental Systems Science, University of Vienna, Vienna, Austria
- Austrian Competence Centre for Feed and Food Quality, Safety and Innovation FFoQSI GmbH, Tulln, Austria
- Institute of Food Safety, Food Technology and Veterinary Public Health, University of Veterinary Medicine, Vienna, Austria
- Institute of Food Science, University of Natural Resources and Life Sciences, Vienna, Austria
| | - Benedikt Warth
- Department of Food Chemistry and Toxicology, University of Vienna, Vienna, Austria
- Exposome Austria, Research Infrastructure and National EIRENE Hub, Vienna, Austria
| | - Petra Pjevac
- Division of Microbial Ecology, Centre for Microbiology and Environmental Systems Science, University of Vienna, Vienna, Austria
- Joint Microbiome Facility of the Medical University of Vienna and the University of Vienna, Vienna, Austria
| | - David Schleheck
- Department of Biology and Konstanz Research School Chemical Biology, University of Konstanz, Konstanz, Germany
| | - Bärbel Stecher
- Max-von-Pettenkofer Institute, Ludwig Maximilian University Munich, Munich, Germany
- German Center for Infection Research (DZIF), partner site Ludwig Maximilian University Munich, Munich, Germany
| | - Alexander Loy
- Division of Microbial Ecology, Centre for Microbiology and Environmental Systems Science, University of Vienna, Vienna, Austria.
- Joint Microbiome Facility of the Medical University of Vienna and the University of Vienna, Vienna, Austria.
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3
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Rangel-Galván M, Rangel-Galván V, Rangel-Huerta A. T-type calcium channel modulation by hydrogen sulfide in neuropathic pain conditions. Front Pharmacol 2023; 14:1212800. [PMID: 37529702 PMCID: PMC10387653 DOI: 10.3389/fphar.2023.1212800] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2023] [Accepted: 07/05/2023] [Indexed: 08/03/2023] Open
Abstract
Neuropathic pain can appear as a direct or indirect nerve damage lesion or disease that affects the somatosensory nervous system. If the neurons are damaged or indirectly stimulated, immune cells contribute significantly to inflammatory and neuropathic pain. After nerve injury, peripheral macrophages/spinal microglia accumulate around damaged neurons, producing endogenous hydrogen sulfide (H2S) through the cystathionine-γ-lyase (CSE) enzyme. H2S has a pronociceptive modulation on the Cav3.2 subtype, the predominant Cav3 isoform involved in pain processes. The present review provides relevant information about H2S modulation on the Cav3.2 T-type channels in neuropathic pain conditions. We have discussed that the dual effect of H2S on T-type channels is concentration-dependent, that is, an inhibitory effect is seen at low concentrations of 10 µM and an augmentation effect on T-current at 100 µM. The modulation mechanism of the Cav3.2 channel by H2S involves the direct participation of the redox/Zn2+ affinity site located in the His191 in the extracellular loop of domain I of the channel, involving a group of extracellular cysteines, comprising C114, C123, C128, and C1333, that can modify the local redox environment. The indirect interaction pathways involve the regulation of the Cav3.2 channel through cytokines, kinases, and post-translational regulators of channel expression. The findings conclude that the CSE/H2S/Cav3.2 pathway could be a promising therapeutic target for neuropathic pain disorders.
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Affiliation(s)
- Maricruz Rangel-Galván
- Biothecnology Department, Metropolitan Polytechnic University of Puebla, Puebla, Puebla, Mexico
| | - Violeta Rangel-Galván
- Nursing and Physiotherapy Department, University of Professional Development, Tijuana, Baja California, Mexico
| | - Alejandro Rangel-Huerta
- Faculty of Computer Science, Meritorious Autonomous University of Puebla, Puebla, Puebla, Mexico
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Juin SK, Ouseph R, Gondim DD, Jala VR, Sen U. Diabetic Nephropathy and Gaseous Modulators. Antioxidants (Basel) 2023; 12:antiox12051088. [PMID: 37237955 DOI: 10.3390/antiox12051088] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 05/05/2023] [Accepted: 05/08/2023] [Indexed: 05/28/2023] Open
Abstract
Diabetic nephropathy (DN) remains the leading cause of vascular morbidity and mortality in diabetes patients. Despite the progress in understanding the diabetic disease process and advanced management of nephropathy, a number of patients still progress to end-stage renal disease (ESRD). The underlying mechanism still needs to be clarified. Gaseous signaling molecules, so-called gasotransmitters, such as nitric oxide (NO), carbon monoxide (CO), and hydrogen sulfide (H2S), have been shown to play an essential role in the development, progression, and ramification of DN depending on their availability and physiological actions. Although the studies on gasotransmitter regulations of DN are still emerging, the evidence revealed an aberrant level of gasotransmitters in patients with diabetes. In studies, different gasotransmitter donors have been implicated in ameliorating diabetic renal dysfunction. In this perspective, we summarized an overview of the recent advances in the physiological relevance of the gaseous molecules and their multifaceted interaction with other potential factors, such as extracellular matrix (ECM), in the severity modulation of DN. Moreover, the perspective of the present review highlights the possible therapeutic interventions of gasotransmitters in ameliorating this dreaded disease.
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Affiliation(s)
- Subir Kumar Juin
- Department of Physiology, University of Louisville School of Medicine, Louisville, KY 40202, USA
- Department of Microbiology & Immunology, Brown Cancer Center, Center for Microbiomics, Inflammation and Pathogenicity, University of Louisville School of Medicine, Louisville, KY 40202, USA
| | - Rosemary Ouseph
- Division of Nephrology & Hypertension, University of Louisville School of Medicine, Louisville, KY 40202, USA
| | - Dibson Dibe Gondim
- Department of Pathology, University of Louisville School of Medicine, Louisville, KY 40202, USA
| | - Venkatakrishna Rao Jala
- Department of Microbiology & Immunology, Brown Cancer Center, Center for Microbiomics, Inflammation and Pathogenicity, University of Louisville School of Medicine, Louisville, KY 40202, USA
| | - Utpal Sen
- Department of Physiology, University of Louisville School of Medicine, Louisville, KY 40202, USA
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Sekiguchi F, Koike N, Shimada Y, Sugimoto K, Masuda H, Nakamura T, Yamaguchi H, Tanabe G, Marumoto S, Kasanami Y, Tsubota M, Ohkubo T, Yoshida S, Kawabata A. A hydrolysate of poly-trans-[(2-carboxyethyl)germasesquioxane] (Ge-132) suppresses Ca v3.2-dependent pain by sequestering exogenous and endogenous sulfide. Redox Biol 2023; 59:102579. [PMID: 36563535 PMCID: PMC9800310 DOI: 10.1016/j.redox.2022.102579] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 12/05/2022] [Accepted: 12/14/2022] [Indexed: 12/23/2022] Open
Abstract
Poly-trans-[(2-carboxyethyl)germasesquioxane] (Ge-132), an organogermanium, is hydrolyzed to 3-(trihydroxygermyl)propanoic acid (THGP) in aqueous solutions, and reduces inflammation, pain and cancer, whereas the underlying mechanisms remain unknown. Sulfides including H2S, a gasotransmitter, generated from l-cysteine by some enzymes including cystathionine-γ-lyase (CSE), are pro-nociceptive, since they enhance Cav3.2 T-type Ca2+ channel activity expressed in the primary afferents, most probably by canceling the channel inhibition by Zn2+ linked via coordinate bonding to His191 of Cav3.2. Given that germanium is reactive to sulfur, we tested whether THGP would directly trap sulfide, and inhibit sulfide-induced enhancement of Cav3.2 activity and sulfide-dependent pain in mice. Using mass spectrometry and 1H NMR techniques, we demonstrated that THGP directly reacted with sulfides including Na2S and NaSH, and formed a sulfur-containing reaction product, which decreased in the presence of ZnCl2. In Cav3.2-transfected HEK293 cells, THGP inhibited the sulfide-induced enhancement of T-type Ca2+ channel-dependent membrane currents. In mice, THGP, administered systemically or locally, inhibited the mechanical allodynia caused by intraplantar Na2S. In the mice with cyclophosphamide-induced cystitis and cerulein-induced pancreatitis, which exhibited upregulation of CSE in the bladder and pancreas, respectively, systemic administration of THGP as well as a selective T-type Ca2+ channel inhibitor suppressed the cystitis-related and pancreatitis-related visceral pain. These data suggest that THGP traps sulfide and inhibits sulfide-induced enhancement of Cav3.2 activity, leading to suppression of Cav3.2-dependent pain caused by sulfide applied exogenously and generated endogenously.
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Affiliation(s)
- Fumiko Sekiguchi
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Kowakae 3-4-1, Higashi-Osaka, 577-8502, Japan
| | - Nene Koike
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Kowakae 3-4-1, Higashi-Osaka, 577-8502, Japan
| | - Yasuhiro Shimada
- Asai Germanium Research Institute Co., Ltd., Suzuranoka, Hakodate, Hokkaido, 042-0958, Japan
| | - Kaho Sugimoto
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Kowakae 3-4-1, Higashi-Osaka, 577-8502, Japan
| | - Hiroshi Masuda
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Kowakae 3-4-1, Higashi-Osaka, 577-8502, Japan
| | - Takashi Nakamura
- Asai Germanium Research Institute Co., Ltd., Suzuranoka, Hakodate, Hokkaido, 042-0958, Japan
| | - Hiroaki Yamaguchi
- Yamagata University Graduate School of Medicine, Iida-nishi 2-2-2, Yamagata, 990-9585, Japan; Department of Pharmacy, Yamagata University Hospital, Iida-nishi 2-2-2, Yamagata, 990-9585, Japan
| | - Genzoh Tanabe
- Laboratory of Pharmaceutical Organic Chemistry, Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, 577-8502, Japan
| | - Shinsuke Marumoto
- Joint Research Center, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, 577-8502, Japan
| | - Yoshihito Kasanami
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Kowakae 3-4-1, Higashi-Osaka, 577-8502, Japan
| | - Maho Tsubota
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Kowakae 3-4-1, Higashi-Osaka, 577-8502, Japan
| | - Tsuyako Ohkubo
- Division of Basic Medical Sciences and Fundamental Nursing, Faculty of Nursing, Fukuoka Nursing College, Fukuoka, 814-0193, Japan
| | - Shigeru Yoshida
- Department of Life Science, Faculty of Science and Engineering, Kindai University, 3-4-1 Kowakae, Higashi-Osaka, 577-8502, Japan
| | - Atsufumi Kawabata
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Kowakae 3-4-1, Higashi-Osaka, 577-8502, Japan.
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6
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Tuck CJ, Abu Omar A, De Palma G, Osman S, Jiménez-Vargas NN, Yu Y, Bennet SM, Lopez-Lopez C, Jaramillo-Polanco JO, Baker CC, Bennett AS, Guzman-Rodriguez M, Tsang Q, Alward T, Rolland S, Morissette C, Verdu EF, Bercik P, Vanner SJ, Lomax AE, Reed DE. Changes in signalling from faecal neuroactive metabolites following dietary modulation of IBS pain. Gut 2022; 72:gutjnl-2022-327260. [PMID: 36591617 DOI: 10.1136/gutjnl-2022-327260] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/28/2022] [Accepted: 11/23/2022] [Indexed: 01/03/2023]
Abstract
OBJECTIVE Dietary therapies for irritable bowel syndrome (IBS) have received increasing interest but predicting which patients will benefit remains a challenge due to a lack of mechanistic insight. We recently found evidence of a role for the microbiota in dietary modulation of pain signalling in a humanised mouse model of IBS. This randomised cross-over study aimed to test the hypothesis that pain relief following reduced consumption of fermentable carbohydrates is the result of changes in luminal neuroactive metabolites. DESIGN IBS (Rome IV) participants underwent four trial periods: two non-intervention periods, followed by a diet low (LFD) and high in fermentable carbohydrates for 3 weeks each. At the end of each period, participants completed questionnaires and provided stool. The effects of faecal supernatants (FS) collected before (IBS FS) and after a LFD (LFD FS) on nociceptive afferent neurons were assessed in mice using patch-clamp and ex vivo colonic afferent nerve recording techniques. RESULTS Total IBS symptom severity score and abdominal pain were reduced by the LFD (N=25; p<0.01). Excitability of neurons was increased in response to IBS FS, but this effect was reduced (p<0.01) with LFD FS from pain-responders. IBS FS from pain-responders increased mechanosensitivity of nociceptive afferent nerve axons (p<0.001), an effect lost following LFD FS administration (p=NS) or when IBS FS was administered in the presence of antagonists of histamine receptors or protease inhibitors. CONCLUSIONS In a subset of IBS patients with improvement in abdominal pain following a LFD, there is a decrease in pronociceptive signalling from FS, suggesting that changes in luminal mediators may contribute to symptom response.
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Affiliation(s)
- Caroline J Tuck
- Department of Sport, Exercise and Nutrition Sciences, La Trobe University, Melbourne, Victoria, Australia
- Gastrointestinal Diseases Research Unit, Queen's University, Kingston, Ontario, Canada
| | - Amal Abu Omar
- Gastrointestinal Diseases Research Unit, Queen's University, Kingston, Ontario, Canada
- Department of Physiology, Jordan University of Science and Technology, Irbid, Jordan
| | - Giada De Palma
- Farncombe Family Digestive Health Research Institute, McMaster University, Hamilton, Ontario, Canada
| | - Samira Osman
- Gastrointestinal Diseases Research Unit, Queen's University, Kingston, Ontario, Canada
| | | | - Yang Yu
- Gastrointestinal Diseases Research Unit, Queen's University, Kingston, Ontario, Canada
| | - Sean Mp Bennet
- Gastrointestinal Diseases Research Unit, Queen's University, Kingston, Ontario, Canada
| | - Cintya Lopez-Lopez
- Gastrointestinal Diseases Research Unit, Queen's University, Kingston, Ontario, Canada
| | | | - Corey C Baker
- Gastrointestinal Diseases Research Unit, Queen's University, Kingston, Ontario, Canada
| | - Aidan Sw Bennett
- Gastrointestinal Diseases Research Unit, Queen's University, Kingston, Ontario, Canada
| | | | - Quentin Tsang
- Gastrointestinal Diseases Research Unit, Queen's University, Kingston, Ontario, Canada
| | - Taylor Alward
- Gastrointestinal Diseases Research Unit, Queen's University, Kingston, Ontario, Canada
| | - Sebastien Rolland
- Department of Medicine, Hopital Maisonneuve-Rosemont, Montreal, Québec, Canada
| | - Celine Morissette
- Gastrointestinal Diseases Research Unit, Queen's University, Kingston, Ontario, Canada
| | - Elena F Verdu
- Farncombe Family Digestive Health Research Institute, McMaster University, Hamilton, Ontario, Canada
| | - Premysl Bercik
- Farncombe Family Digestive Health Research Institute, McMaster University, Hamilton, Ontario, Canada
| | - Stephen J Vanner
- Gastrointestinal Diseases Research Unit, Queen's University, Kingston, Ontario, Canada
| | - Alan E Lomax
- Gastrointestinal Diseases Research Unit, Queen's University, Kingston, Ontario, Canada
| | - David E Reed
- Gastrointestinal Diseases Research Unit, Queen's University, Kingston, Ontario, Canada
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Brown G, Hoedt EC, Keely S, Shah A, Walker MM, Holtmann G, Talley NJ. Role of the duodenal microbiota in functional dyspepsia. Neurogastroenterol Motil 2022; 34:e14372. [PMID: 35403776 PMCID: PMC9786680 DOI: 10.1111/nmo.14372] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 09/20/2021] [Revised: 02/04/2022] [Accepted: 03/14/2022] [Indexed: 12/30/2022]
Abstract
BACKGROUND Functional dyspepsia (FD) is a common and debilitating gastrointestinal disorder attributed to altered gut-brain interactions. While the etiology of FD remains unknown, emerging research suggests the mechanisms are likely multifactorial and heterogenous among patient subgroups. Small bowel motor disturbances, visceral hypersensitivity, chronic microinflammation, and increased intestinal tract permeability have all been linked to the pathogenesis of FD. Recently, alterations to the gut microbiome have also been implicated to play an important role in the disease. Changes to the duodenal microbiota may either trigger or be a consequence of immune and neuronal disturbances observed in the disease, but the mechanisms of influence of small intestinal flora on gastrointestinal function and symptomatology are unknown. PURPOSE This review summarizes and synthesizes the literature on the link between the microbiota, low-grade inflammatory changes in the duodenum and FD. This review is not intended to provide a complete overview of FD or the small intestinal microbiota, but instead outline some of the key conceptual advances in understanding the interactions between altered gastrointestinal bacterial communities; dietary factors; host immune activation; and stimulation of the gut-brain axes in patients with FD versus controls. Current and emerging treatment approaches such as dietary interventions and antibiotic or probiotic use that have demonstrated symptom benefits for patients are reviewed, and their role in modulating the host-microbiota is discussed. Finally, suggested opportunities for diagnostic and therapeutic improvements for patients with this condition are presented.
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Affiliation(s)
- Georgia Brown
- School of Medicine and Public HealthUniversity of NewcastleNewcastleNew South WalesAustralia,AGIRA (Australian Gastrointestinal Research Alliance)NewcastleNew South WalesAustralia,NHMRC Centre of Research Excellence in Digestive HealthNewcastleNew South WalesAustralia
| | - Emily C. Hoedt
- AGIRA (Australian Gastrointestinal Research Alliance)NewcastleNew South WalesAustralia,NHMRC Centre of Research Excellence in Digestive HealthNewcastleNew South WalesAustralia,School of Biomedical Sciences and PharmacyUniversity of NewcastleNewcastleNew South WalesAustralia,Hunter Medical Research InstituteNew Lambton HeightsNewcastleNew South WalesAustralia
| | - Simon Keely
- AGIRA (Australian Gastrointestinal Research Alliance)NewcastleNew South WalesAustralia,NHMRC Centre of Research Excellence in Digestive HealthNewcastleNew South WalesAustralia,School of Biomedical Sciences and PharmacyUniversity of NewcastleNewcastleNew South WalesAustralia,Hunter Medical Research InstituteNew Lambton HeightsNewcastleNew South WalesAustralia
| | - Ayesha Shah
- AGIRA (Australian Gastrointestinal Research Alliance)NewcastleNew South WalesAustralia,NHMRC Centre of Research Excellence in Digestive HealthNewcastleNew South WalesAustralia,Faculty of Medicine and Faculty of Health and Behavioural SciencesThe University of QueenslandSt. LuciaQueenslandAustralia
| | - Marjorie M. Walker
- School of Medicine and Public HealthUniversity of NewcastleNewcastleNew South WalesAustralia,AGIRA (Australian Gastrointestinal Research Alliance)NewcastleNew South WalesAustralia,NHMRC Centre of Research Excellence in Digestive HealthNewcastleNew South WalesAustralia
| | - Gerald Holtmann
- AGIRA (Australian Gastrointestinal Research Alliance)NewcastleNew South WalesAustralia,NHMRC Centre of Research Excellence in Digestive HealthNewcastleNew South WalesAustralia,Faculty of Medicine and Faculty of Health and Behavioural SciencesThe University of QueenslandSt. LuciaQueenslandAustralia,Department of Gastroenterology & HepatologyPrincess Alexandra HospitalWoolloongabbaQueenslandAustralia
| | - Nicholas J. Talley
- School of Medicine and Public HealthUniversity of NewcastleNewcastleNew South WalesAustralia,AGIRA (Australian Gastrointestinal Research Alliance)NewcastleNew South WalesAustralia,NHMRC Centre of Research Excellence in Digestive HealthNewcastleNew South WalesAustralia,Hunter Medical Research InstituteNew Lambton HeightsNewcastleNew South WalesAustralia
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8
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Discovery of pimozide derivatives as novel T-type calcium channel inhibitors with little binding affinity to dopamine D2 receptors for treatment of somatic and visceral pain. Eur J Med Chem 2022; 243:114716. [DOI: 10.1016/j.ejmech.2022.114716] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2022] [Revised: 08/17/2022] [Accepted: 08/23/2022] [Indexed: 11/23/2022]
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9
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Lucarini E, Micheli L, Pagnotta E, Matteo R, Parisio C, Toti A, Ferrara V, Ciampi C, Martelli A, Testai L, Calderone V, Savino M, Russo M, Pecchioni N, Ghelardini C, Di Cesare Mannelli L. Beneficial Effects of Eruca sativa Defatted Seed Meal on Visceral Pain and Intestinal Damage Resulting from Colitis in Rats. Foods 2022; 11:foods11040580. [PMID: 35206057 PMCID: PMC8870774 DOI: 10.3390/foods11040580] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/31/2021] [Revised: 02/04/2022] [Accepted: 02/11/2022] [Indexed: 02/07/2023] Open
Abstract
Most therapies used in patients affected by inflammatory bowel diseases are ineffective in preventing the development of chronic visceral hypersensitivity, mainly due to inflammation-induced enteric neuroplasticity. Glucosinolates, secondary metabolites mainly of Brassicaceae with anti-inflammatory and neuroprotective properties, are effective in treating both neuropathic and arthritis pain through H2S release and Kv7 potassium channel activation. The aim of this work was to investigate the protective and anti-hyperalgesic efficacy of a defatted seed meal from Eruca sativa Mill. (Brassicaceae), rich in glucosinolates, in a rat model of colitis induced by 2,4-dinitrobenzene sulfonic acid (DNBS). The mechanisms of action were also investigated. Visceral pain was assessed by measuring the abdominal response to colorectal distension. Fifteen days after colitis induction, the acute administration of E. sativa defatted seed meal (0.1–1 g kg−1 p.o.) dose-dependently relieved pain. This effect was hampered by co-administering an H2S scavenger or a selective Kv7 blocker. Administering E. sativa (1 g kg−1) for 14 days, starting after DNBS injection, contributed to counteracting visceral pain persistence in the post-inflammatory phase of colitis by promoting colon healing from the damage and reducing enteric gliosis. E. sativa defatted seed meal might be employed as a nutraceutical tool for supporting abdominal pain relief in patients.
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Affiliation(s)
- Elena Lucarini
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), Pharmacology and Toxicology Section, University of Florence, 50139 Florence, Italy; (E.L.); (L.M.); (C.P.); (A.T.); (V.F.); (C.C.); (C.G.)
| | - Laura Micheli
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), Pharmacology and Toxicology Section, University of Florence, 50139 Florence, Italy; (E.L.); (L.M.); (C.P.); (A.T.); (V.F.); (C.C.); (C.G.)
| | - Eleonora Pagnotta
- CREA-Council for Agricultural Research and Economics, Research Centre for Cereal and Industrial Crops, 40128 Bologna, Italy; (E.P.); (R.M.)
| | - Roberto Matteo
- CREA-Council for Agricultural Research and Economics, Research Centre for Cereal and Industrial Crops, 40128 Bologna, Italy; (E.P.); (R.M.)
| | - Carmen Parisio
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), Pharmacology and Toxicology Section, University of Florence, 50139 Florence, Italy; (E.L.); (L.M.); (C.P.); (A.T.); (V.F.); (C.C.); (C.G.)
| | - Alessandra Toti
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), Pharmacology and Toxicology Section, University of Florence, 50139 Florence, Italy; (E.L.); (L.M.); (C.P.); (A.T.); (V.F.); (C.C.); (C.G.)
| | - Valentina Ferrara
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), Pharmacology and Toxicology Section, University of Florence, 50139 Florence, Italy; (E.L.); (L.M.); (C.P.); (A.T.); (V.F.); (C.C.); (C.G.)
| | - Clara Ciampi
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), Pharmacology and Toxicology Section, University of Florence, 50139 Florence, Italy; (E.L.); (L.M.); (C.P.); (A.T.); (V.F.); (C.C.); (C.G.)
| | - Alma Martelli
- Department of Pharmacy, University of Pisa, 56126 Pisa, Italy; (A.M.); (L.T.); (V.C.)
- Interdepartmental Research Centre Nutraceuticals and Food for Health (NUTRAFOOD), University of Pisa, 56126 Pisa, Italy
- Interdepartmental Research Centre of Ageing Biology and Pathology, University of Pisa, 56126 Pisa, Italy
| | - Lara Testai
- Department of Pharmacy, University of Pisa, 56126 Pisa, Italy; (A.M.); (L.T.); (V.C.)
- Interdepartmental Research Centre Nutraceuticals and Food for Health (NUTRAFOOD), University of Pisa, 56126 Pisa, Italy
- Interdepartmental Research Centre of Ageing Biology and Pathology, University of Pisa, 56126 Pisa, Italy
| | - Vincenzo Calderone
- Department of Pharmacy, University of Pisa, 56126 Pisa, Italy; (A.M.); (L.T.); (V.C.)
- Interdepartmental Research Centre Nutraceuticals and Food for Health (NUTRAFOOD), University of Pisa, 56126 Pisa, Italy
- Interdepartmental Research Centre of Ageing Biology and Pathology, University of Pisa, 56126 Pisa, Italy
| | - Michele Savino
- CREA-Council for Agricultural Research and Economics, Research Centre for Cereal and Industrial Crops, 71122 Foggia, Italy; (M.S.); (M.R.); (N.P.)
| | - Mario Russo
- CREA-Council for Agricultural Research and Economics, Research Centre for Cereal and Industrial Crops, 71122 Foggia, Italy; (M.S.); (M.R.); (N.P.)
| | - Nicola Pecchioni
- CREA-Council for Agricultural Research and Economics, Research Centre for Cereal and Industrial Crops, 71122 Foggia, Italy; (M.S.); (M.R.); (N.P.)
| | - Carla Ghelardini
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), Pharmacology and Toxicology Section, University of Florence, 50139 Florence, Italy; (E.L.); (L.M.); (C.P.); (A.T.); (V.F.); (C.C.); (C.G.)
| | - Lorenzo Di Cesare Mannelli
- Department of Neuroscience, Psychology, Drug Research and Child Health (NEUROFARBA), Pharmacology and Toxicology Section, University of Florence, 50139 Florence, Italy; (E.L.); (L.M.); (C.P.); (A.T.); (V.F.); (C.C.); (C.G.)
- Correspondence:
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10
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The Role of H 2S in the Gastrointestinal Tract and Microbiota. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1315:67-98. [PMID: 34302689 DOI: 10.1007/978-981-16-0991-6_4] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The pathways and mechanisms of the production of H2S in the gastrointestinal tract are briefly described, including endogenous H2S produced by the organism and H2S from microorganisms in the gastrointestinal tract. In addition, the physiological regulatory functions of H2S on gastrointestinal motility, sensation, secretion and absorption, endocrine system, proliferation and differentiation of stem cells, and the possible mechanisms involved are introduced. In view of the complexity of biosynthesis, physiological roles, and the mechanism of H2S, this chapter focuses on the interactions and dynamic balance among H2S, gastrointestinal microorganisms, and the host. Finally, we focus on some clinical gastrointestinal diseases, such as inflammatory bowel disease, colorectal cancer, functional gastrointestinal disease, which might occur or develop when the above balance is broken. Pharmacological regulation of H2S or the intestinal microorganisms related to H2S might provide new therapeutic approaches for some gastrointestinal diseases.
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11
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Macrophage as a Peripheral Pain Regulator. Cells 2021; 10:cells10081881. [PMID: 34440650 PMCID: PMC8392675 DOI: 10.3390/cells10081881] [Citation(s) in RCA: 55] [Impact Index Per Article: 18.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2021] [Revised: 07/22/2021] [Accepted: 07/22/2021] [Indexed: 12/30/2022] Open
Abstract
A neuroimmune crosstalk is involved in somatic and visceral pathological pain including inflammatory and neuropathic components. Apart from microglia essential for spinal and supraspinal pain processing, the interaction of bone marrow-derived infiltrating macrophages and/or tissue-resident macrophages with the primary afferent neurons regulates pain signals in the peripheral tissue. Recent studies have uncovered previously unknown characteristics of tissue-resident macrophages, such as their origins and association with regulation of pain signals. Peripheral nerve macrophages and intestinal resident macrophages, in addition to adult monocyte-derived infiltrating macrophages, secrete a variety of mediators, such as tumor necrosis factor-α, interleukin (IL)-1β, IL-6, high mobility group box 1 and bone morphogenic protein 2 (BMP2), that regulate the excitability of the primary afferents. Neuron-derived mediators including neuropeptides, ATP and macrophage-colony stimulating factor regulate the activity or polarization of diverse macrophages. Thus, macrophages have multitasks in homeostatic conditions and participate in somatic and visceral pathological pain by interacting with neurons.
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12
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Manandhar S, Sinha P, Ejiwale G, Bhatia M. Hydrogen Sulfide and its Interaction with Other Players in Inflammation. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2021; 1315:129-159. [PMID: 34302691 DOI: 10.1007/978-981-16-0991-6_6] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Hydrogen sulfide (H2S) plays a vital role in human physiology and in the pathophysiology of several diseases. In addition, a substantial role of H2S in inflammation has emerged. This chapter will discuss the involvement of H2S in various inflammatory diseases. Furthermore, the contribution of reactive oxygen species (ROS), adhesion molecules, and leukocyte recruitment in H2S-mediated inflammation will be discussed. The interrelationship of H2S with other gasotransmitters in inflammation will also be examined. There is mixed literature on the contribution of H2S to inflammation due to studies reporting both pro- and anti-inflammatory actions. These apparent discrepancies in the literature could be resolved with further studies.
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Affiliation(s)
- Sumeet Manandhar
- Department of Pathology and Biomedical Science, University of Otago, Christchurch, New Zealand
| | - Priyanka Sinha
- Department of Pathology and Biomedical Science, University of Otago, Christchurch, New Zealand
| | - Grace Ejiwale
- Department of Pathology and Biomedical Science, University of Otago, Christchurch, New Zealand
| | - Madhav Bhatia
- Department of Pathology and Biomedical Science, University of Otago, Christchurch, New Zealand.
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Essential role of Ca v3.2 T-type calcium channels in butyrate-induced colonic pain and nociceptor hypersensitivity in mice. Eur J Pharmacol 2020; 887:173576. [PMID: 32949597 DOI: 10.1016/j.ejphar.2020.173576] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2020] [Revised: 09/15/2020] [Accepted: 09/15/2020] [Indexed: 02/01/2023]
Abstract
Given the role of Cav3.2 isoform among T-type Ca2+ channels (T-channels) in somatic and visceral nociceptive processing, we analyzed the contribution of Cav3.2 to butyrate-induced colonic pain and nociceptor hypersensitivity in mice, to evaluate whether Cav3.2 could serve as a target for treatment of visceral pain in irritable bowel syndrome (IBS) patients. Mice of ddY strain, and wild-type and Cav3.2-knockout mice of a C57BL/6J background received intracolonic administration of butyrate twice a day for 3 days. Referred hyperalgesia in the lower abdomen was assessed by von Frey test, and colonic hypersensitivity to distension by a volume load or chemicals was evaluated by counting nociceptive behaviors. Spinal phosphorylated ERK was detected by immunohistochemistry. Cav3.2 knockdown was accomplished by intrathecal injection of antisense oligodeoxynucleotides. Butyrate treatment caused referred hyperalgesia and colonic hypersensitivity to distension in ddY mice, which was abolished by T-channel blockers and/or Cav3.2 knockdown. Butyrate also increased the number of spinal phosphorylated ERK-positive neurons following colonic distension in the anesthetized ddY mice. The butyrate-treated ddY mice also exhibited T-channel-dependent colonic hypersensitivity to intracolonic Na2S, known to enhance Cav3.2 activity, and TRPV1, TRPA1 or proteinase-activated receptor 2 (PAR2) agonists. Wild-type, but not Cav3.2-knockout, mice of a C57BL/6J background, after treated with butyrate, mimicked the T-channel-dependent referred hyperalgesia and colonic hypersensitivity in butyrate-treated ddY mice. Our study provides definitive evidence for an essential role of Cav3.2 in the butyrate-induced colonic pain and nociceptor hypersensitivity, which might serve as a target for treatment of visceral pain in IBS patients.
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Koroleva K, Ermakova E, Mustafina A, Giniatullina R, Giniatullin R, Sitdikova G. Protective Effects of Hydrogen Sulfide Against the ATP-Induced Meningeal Nociception. Front Cell Neurosci 2020; 14:266. [PMID: 32982692 PMCID: PMC7492747 DOI: 10.3389/fncel.2020.00266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/28/2020] [Accepted: 07/29/2020] [Indexed: 11/26/2022] Open
Abstract
We previously showed that extracellular ATP and hydrogen sulfide (H2S), a recently discovered gasotransmitter, are both triggering the nociceptive firing in trigeminal nociceptors implicated in migraine pain. ATP contributes to meningeal nociception by activating the P2X3 subunit-containing receptors whereas H2S operates mainly via TRP receptors. However, H2S was also proposed as a neuroprotective and anti-nociceptive agent. This study aimed to test the effect of H2S on ATP-mediated nociceptive responses in rat meningeal afferents and trigeminal neurons and on ATP-induced degranulation of dural mast cells. Electrophysiological recording of trigeminal nerve activity in meninges was supplemented by patch-clamp and calcium imaging studies of isolated trigeminal neurons. The H2S donor NaHS induced a mild activation of afferents and fully suppressed the subsequent ATP-induced firing of meningeal trigeminal nerve fibers. This anti-nociceptive effect of H2S was specific as an even stronger effect of capsaicin did not abolish the action of ATP. In isolated trigeminal neurons, NaHS decreased the inward currents and calcium transients evoked by activation of ATP-gated P2X3 receptors. Moreover, NaHS prevented ATP-induced P2X7 receptor-mediated degranulation of meningeal mast cells which emerged as triggers of migraine pain. Finally, NaHS decreased the concentration of extracellular ATP in the meningeal preparation. Thus, H2S exerted the multiple protective actions against the nociceptive effects of ATP. These data highlight the novel pathways to reduce purinergic mechanisms of migraine with pharmacological donors or by stimulation production of endogenous H2S.
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Affiliation(s)
- Kseniia Koroleva
- Department of Human and Animal Physiology, Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia.,A.I. Virtanen Institute for Molecular Sciences, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland
| | - Elizaveta Ermakova
- Department of Human and Animal Physiology, Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia
| | - Alsu Mustafina
- Department of Human and Animal Physiology, Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia
| | - Raisa Giniatullina
- A.I. Virtanen Institute for Molecular Sciences, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland
| | - Rashid Giniatullin
- Department of Human and Animal Physiology, Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia.,A.I. Virtanen Institute for Molecular Sciences, Faculty of Health Sciences, University of Eastern Finland, Kuopio, Finland
| | - Guzel Sitdikova
- Department of Human and Animal Physiology, Institute of Fundamental Medicine and Biology, Kazan Federal University, Kazan, Russia
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15
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Tomita S, Sekiguchi F, Kasanami Y, Naoe K, Tsubota M, Wake H, Nishibori M, Kawabata A. Ca v3.2 overexpression in L4 dorsal root ganglion neurons after L5 spinal nerve cutting involves Egr-1, USP5 and HMGB1 in rats: An emerging signaling pathway for neuropathic pain. Eur J Pharmacol 2020; 888:173587. [PMID: 32971090 DOI: 10.1016/j.ejphar.2020.173587] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2020] [Revised: 09/17/2020] [Accepted: 09/18/2020] [Indexed: 12/12/2022]
Abstract
Overexpression of Cav3.2 T-type Ca2+ channels in L4 dorsal root ganglion (DRG) participates in neuropathic pain after L5 spinal nerve cutting (L5SNC) in rats. The L5SNC-induced neuropathic pain also involves high mobility group box 1 (HMGB1), a damage-associated molecular pattern protein, and its target, the receptor for advanced glycation end-products (RAGE). We thus studied the molecular mechanisms for the L5SNC-induced Cav3.2 overexpression as well as neuropathic pain in rats by focusing on; 1) possible involvement of early growth response 1 (Egr-1), known to regulate transcriptional expression of Cav3.2, and ubiquitin-specific protease 5 (USP5) that protects Cav3.2 from proteasomal degradation, and 2) possible role of HMGB1/RAGE as an upstream signal. Protein levels of Cav3.2 as well as Egr-1 in L4 DRG significantly increased in the early (day 6) and persistent (day 14) phases of neuropathy after L5SNC, while USP5 protein in L4 DRG did not increase on day 6, but day 14. An anti-HMGB1-neutralizing antibody or a low molecular weight heparin, a RAGE antagonist, prevented the development of neuropathic pain and upregulation of Egr-1 and Cav3.2 in L4 DRG after L5SNC. L5SNC increased macrophages accumulating in the sciatic nerves, and the cytoplasm/nuclear ratio of immunoreactive HMGB1 in those macrophages. Our findings suggest that L5SNC-induced Cav3.2 overexpression in L4 DRG and neuropathic pain involves Egr-1 upregulation downstream of the macrophage-derived HMGB1/RAGE pathway, and that the delayed upregulation of USP5 might contribute to the persistent Cav3.2 overexpression and neuropathy.
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Affiliation(s)
- Shiori Tomita
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University (formerly Known As Kinki University), 3-4-1 Kowakae, Higashi-Osaka, 577-8502, Japan
| | - Fumiko Sekiguchi
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University (formerly Known As Kinki University), 3-4-1 Kowakae, Higashi-Osaka, 577-8502, Japan
| | - Yoshihito Kasanami
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University (formerly Known As Kinki University), 3-4-1 Kowakae, Higashi-Osaka, 577-8502, Japan
| | - Katsuki Naoe
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University (formerly Known As Kinki University), 3-4-1 Kowakae, Higashi-Osaka, 577-8502, Japan
| | - Maho Tsubota
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University (formerly Known As Kinki University), 3-4-1 Kowakae, Higashi-Osaka, 577-8502, Japan
| | - Hidenori Wake
- Department of Pharmacology, Okayama University Graduate School of Medicine, 2-5-1 Shikata-cho, Okayama, 700-8558, Japan
| | - Masahiro Nishibori
- Department of Pharmacology, Okayama University Graduate School of Medicine, 2-5-1 Shikata-cho, Okayama, 700-8558, Japan
| | - Atsufumi Kawabata
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University (formerly Known As Kinki University), 3-4-1 Kowakae, Higashi-Osaka, 577-8502, Japan.
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16
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Gibson PR, Halmos EP, Muir JG. Review article: FODMAPS, prebiotics and gut health-the FODMAP hypothesis revisited. Aliment Pharmacol Ther 2020; 52:233-246. [PMID: 32562590 DOI: 10.1111/apt.15818] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 02/25/2020] [Revised: 03/27/2020] [Accepted: 05/07/2020] [Indexed: 12/12/2022]
Abstract
BACKGROUND Restriction of dietary FODMAP intake can alleviate symptoms in patients with irritable bowel syndrome. Because many FODMAPs have prebiotic actions, there is concern that their dietary restriction leads to dysbiosis with health consequences, and their intake is being encouraged by addition to foods and via supplements. AIMS To examine the hazards and benefits of high and low FODMAP intake. METHODS Current literature was reviewed and alternative hypotheses formulated. RESULTS Low FODMAP intake reduces abundance of faecal Bifidobacteria without known adverse outcomes and has no effect on diversity, but the reduction in bacterial density may potentially be beneficial to gut health. Supplementary prebiotics can markedly elevate the intake of FODMAPs over levels consumed in the background diet. While this increases the abundance of Bifidobacteria, it adversely affects gut health in animal studies by inducing colonic mucosal barrier dysfunction, mucosal inflammation and visceral hypersensitivity. Rapid colonic fermentation is central to the identified mechanisms that include injury from high luminal concentrations of short-chain fatty acids and low pH, and inflammatory effects of increased endotoxin load and glycation of macromolecules. Whether these observations translate into humans requires further study. Opposing hypotheses are presented whereby excessive intake of FODMAPs might have health benefits via prebiotic effects, but might also be injurious and contribute to the apparent increase in functional intestinal disorders. CONCLUSIONS Reduced FODMAP intake has few deleterious effects on gut microbiota. Consequences (both positive and negative) of excessive carbohydrate fermentation in the human intestines from elevated FODMAP intake require more attention.
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Affiliation(s)
- Peter R Gibson
- Department of Gastroenterology, Monash University and Alfred Health, Melbourne, Vic., Australia
| | - Emma P Halmos
- Department of Gastroenterology, Monash University and Alfred Health, Melbourne, Vic., Australia
| | - Jane G Muir
- Department of Gastroenterology, Monash University and Alfred Health, Melbourne, Vic., Australia
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17
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Matsui K, Terada Y, Tsubota M, Sekiguchi F, Kawabata A. Tacrolimus, a calcineurin inhibitor, promotes capsaicin-induced colonic pain in mice. J Pharmacol Sci 2020; 143:60-63. [DOI: 10.1016/j.jphs.2020.01.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/09/2019] [Revised: 12/23/2019] [Accepted: 01/20/2020] [Indexed: 11/27/2022] Open
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18
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Propargylglycine decreases neuro-immune interaction inducing pain response in temporomandibular joint inflammation model. Nitric Oxide 2019; 93:90-101. [DOI: 10.1016/j.niox.2019.10.001] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2019] [Revised: 09/22/2019] [Accepted: 10/02/2019] [Indexed: 12/20/2022]
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19
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Intestinal gases: influence on gut disorders and the role of dietary manipulations. Nat Rev Gastroenterol Hepatol 2019; 16:733-747. [PMID: 31520080 DOI: 10.1038/s41575-019-0193-z] [Citation(s) in RCA: 82] [Impact Index Per Article: 16.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 07/29/2019] [Indexed: 02/06/2023]
Abstract
The inner workings of the intestines, in which the body and microbiome intersect to influence gut function and systemic health, remain elusive. Carbon dioxide, hydrogen, methane and hydrogen sulfide, as well as a variety of trace gases, are generated by the chemical interactions and microbiota within the gut. Profiling of these intestinal gases and their responses to dietary changes can reveal the products and functions of the gut microbiota and their influence on human health. Indeed, different tools for measuring these intestinal gases have been developed, including newly developed gas-sensing capsule technology. Gases can, according to their type, concentration and volume, induce or relieve abdominal symptoms, and might also have physiological, pathogenic and therapeutic effects. Thus, profiling and modulating intestinal gases could be powerful tools for disease prevention and/or therapy. As the interactions between the microbiota, chemical constituents and fermentative substrates of the gut are principally influenced by dietary intake, altering the diet, which, in turn, changes gas profiles, is the main therapeutic approach for gastrointestinal disorders. An improved understanding of the complex interactions within the intestines that generate gases will enhance our ability to prevent, diagnose, treat and monitor many gastrointestinal disorders.
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20
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Microbiota: a novel regulator of pain. J Neural Transm (Vienna) 2019; 127:445-465. [PMID: 31552496 DOI: 10.1007/s00702-019-02083-z] [Citation(s) in RCA: 32] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/03/2019] [Accepted: 09/16/2019] [Indexed: 02/07/2023]
Abstract
Among the various regulators of the nervous system, the gut microbiota has been recently described to have the potential to modulate neuronal cells activation. While bacteria-derived products can induce aversive responses and influence pain perception, recent work suggests that "abnormal" microbiota is associated with neurological diseases such as Alzheimer's, Parkinson's disease or autism spectrum disorder (ASD). Here we review how the gut microbiota modulates afferent sensory neurons function and pain, highlighting the role of the microbiota/gut/brain axis in the control of behaviors and neurological diseases. We outline the changes in gut microbiota, known as dysbiosis, and their influence on painful gastrointestinal disorders. Furthermore, both direct host/microbiota interaction that implicates activation of "pain-sensing" neurons by metabolites, or indirect communication via immune activation is discussed. Finally, treatment options targeting the gut microbiota, including pre- or probiotics, will be proposed. Further studies on microbiota/nervous system interaction should lead to the identification of novel microbial ligands and host receptor-targeted drugs, which could ultimately improve chronic pain management and well-being.
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21
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Nguyen HD, Okada T, Sekiguchi F, Tsubota M, Nishikawa H, Kawabata A, Toyooka N. Prenylflavanones as Novel T-Type Calcium Channel Blockers Useful for Pain Therapy. Nat Prod Commun 2019. [DOI: 10.1177/1934578x19873441] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/26/2022] Open
Abstract
Prenylated flavonoids have attracted much attention due to their promising and diverse bioactivities on multitarget tissues. To the best of our knowledge, our recent studies demonstrated first that (2 S)-6-prenylnaringenin (6-PNG), a hop component, blocks Cav3.2 T-type calcium channels (T-channels) and alleviates neuropathic and visceral pain with little side effects; it also indicated first that other natural prenylflavanones (PFVNs), such as sophoraflavanone G and (2 S)-8-PNG, or synthetic 6-PFVNs including (2 R/S)-6-PNG and its derivatives are capable of blocking T-channels and useful for pain therapy. Through the structure-activity relationship studies on the synthetic 6-PFVNs, we identified 6-(3-ethylpent-2-enyl)-5,7-dihydroxy-2-(2-hydroxyphenyl)chroman-4-one (8j or KTt-45) as the most potent blocker of Cav3.2 T-channels. It is interesting to recognize a prenylated flavonoid, belonging to other sub-classes, as a novel T-channel blocker. Therefore, this article will review some of our recent studies to introduce a new branch to researchers studying on prenylated flavonoids.
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Affiliation(s)
- Huy Du Nguyen
- Graduate School of Innovative Life Science, University of Toyama, Japan
| | - Takuya Okada
- Graduate School of Innovative Life Science, University of Toyama, Japan
| | - Fumiko Sekiguchi
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, Japan
| | - Maho Tsubota
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, Japan
| | - Hiroyuki Nishikawa
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, Japan
| | - Atsufumi Kawabata
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, Japan
| | - Naoki Toyooka
- Graduate School of Innovative Life Science, University of Toyama, Japan
- Graduate School of Science and Engineering, University of Toyama, Japan
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22
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Matsui K, Tsubota M, Fukushi S, Koike N, Masuda H, Kasanami Y, Miyazaki T, Sekiguchi F, Ohkubo T, Yoshida S, Mukai Y, Oita A, Takada M, Kawabata A. Genetic deletion of Ca v3.2 T-type calcium channels abolishes H 2S-dependent somatic and visceral pain signaling in C57BL/6 mice. J Pharmacol Sci 2019; 140:310-312. [PMID: 31492577 DOI: 10.1016/j.jphs.2019.07.010] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/26/2019] [Revised: 07/12/2019] [Accepted: 07/22/2019] [Indexed: 10/26/2022] Open
Abstract
We tested whether genetic deletion of Cav3.2 T-type Ca2+ channels abolishes hydrogen sulfide (H2S)-mediated pain signals in mice. In Cav3.2-expressing HEK293 cells, Na2S, an H2S donor, at 100 μM clearly increased Ba2+ currents, as assessed by whole-cell patch-clamp recordings. In wild-type C57BL/6 mice, intraplantar and intracolonic administration of Na2S evoked mechanical allodynia and visceral nociceptive behavior, respectively, which were abolished by TTA-A2, a T-type Ca2+ channel blocker. In Cav3.2-knockout mice of a C57BL/6 background, Na2S caused neither somatic allodynia nor colonic nociception. Our study thus provides definitive evidence for an essential role of Cav3.2 in H2S-dependent somatic and colonic pain.
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Affiliation(s)
- Kazuki Matsui
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan; Department of Pharmacy, National Cerebral and Cardiovascular Center, Suita, 565-8565, Japan
| | - Maho Tsubota
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Saaya Fukushi
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Nene Koike
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Hiroshi Masuda
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Yoshihito Kasanami
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Takaya Miyazaki
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Fumiko Sekiguchi
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Tsuyako Ohkubo
- Division of Basic Medical Sciences and Fundamental Nursing, Faculty of Nursing, Fukuoka Nursing College, Fukuoka, 814-0193, Japan
| | - Shigeru Yoshida
- Department of Life Science, Faculty of Science and Engineering, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Yutaro Mukai
- Department of Pharmacy, National Cerebral and Cardiovascular Center, Suita, 565-8565, Japan
| | - Akira Oita
- Department of Pharmacy, National Cerebral and Cardiovascular Center, Suita, 565-8565, Japan
| | - Mitsutaka Takada
- Division of Clinical Drug Informatics, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Atsufumi Kawabata
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan.
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Tsubota M, Uebo K, Miki K, Sekiguchi F, Ishigami A, Kawabata A. Dietary ascorbic acid restriction in GNL/SMP30-knockout mice unveils the role of ascorbic acid in regulation of somatic and visceral pain sensitivity. Biochem Biophys Res Commun 2019; 511:705-710. [PMID: 30827506 DOI: 10.1016/j.bbrc.2019.02.102] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/12/2019] [Accepted: 02/20/2019] [Indexed: 10/27/2022]
Abstract
Cav3.2 T-type Ca2+ channels are expressed in the primary afferents and play a pronociceptive role. The activity of Cav3.2 is enhanced by H2S, a gasotransmitter, and suppressed by ascorbic acid (vitamin C) through metal-catalyzed oxidation of the Zn2+-binding His191 in Cav3.2. Since rodents, but not humans, are capable of synthesizing ascorbic acid, the present study examined the role of ascorbic acid in nociceptive processing, using the mice lacking GNL/SMP30, an enzyme essential for ascorbic acid biosynthesis. Intraplantar and intracolonic administration of NaHS, an H2S donor, caused somatic allodynia and referred hyperalgesia, respectively, and repeated treatment with paclitaxel produced neuropathic allodynia in wild-type mice, all of which were suppressed by ascorbic acid or T-type Ca2+ channel blockers. Dietary ascorbic acid restriction caused dramatic decreases in plasma and tissue ascorbic acid levels in GNL/SMP30-knockout, but not wild-type, mice. The ascorbic acid restriction enhanced the somatic and visceral hypersensitivity following intraplantar and intracolonic NaHS, respectively, and paclitaxel-induced neuropathy in GNL/SMP30-knockout mice, while it had no such effect in wild-type mice. Together, our data unveil the critical role of ascorbic acid in regulating somatic and visceral pain sensitivity and support accumulating clinical evidence for the usefulness of ascorbic acid in pain management.
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Affiliation(s)
- Maho Tsubota
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University (formerly known as Kinki University), Higashi-Osaka, 577-8502, Japan
| | - Kenta Uebo
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University (formerly known as Kinki University), Higashi-Osaka, 577-8502, Japan
| | - Koki Miki
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University (formerly known as Kinki University), Higashi-Osaka, 577-8502, Japan
| | - Fumiko Sekiguchi
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University (formerly known as Kinki University), Higashi-Osaka, 577-8502, Japan
| | - Akihiko Ishigami
- Molecular Regulation of Aging, Tokyo Metropolitan Institute of Gerontology, Tokyo, 173-0015, Japan
| | - Atsufumi Kawabata
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University (formerly known as Kinki University), Higashi-Osaka, 577-8502, Japan.
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Shimada T, Takahashi K, Tominaga M, Ohta T. Identification of molecular targets for toxic action by persulfate, an industrial sulfur compound. Neurotoxicology 2019; 72:29-37. [PMID: 30738091 DOI: 10.1016/j.neuro.2019.02.003] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/19/2018] [Revised: 01/18/2019] [Accepted: 02/04/2019] [Indexed: 02/02/2023]
Abstract
Persulfate salts are broadly used as industrial chemicals and exposure to them causes occupational asthma, occupational rhinitis and contact dermatitis. However, the mechanisms underlying these toxic actions are not fully elucidated. Transient receptor potential (TRP) vanilloid 1 (V1), ankyrin 1 (A1) and melastatin 8 (M8) are non-selective cation channels preferentially expressing sensory neurons. These channels are known to be involved in respiratory and skin diseases. In the present study, we investigated the effects of sodium persulfate on these TRP channels. In wild-type mouse sensory neurons, persulfate evoked [Ca2+]i increases that were inhibited by removal of extracellular Ca2+ or blockers of TRPA1 but not by those of TRPV1 and TRPM8. Persulfate failed to evoke [Ca2+]i responses in neurons from TRPA1(-/-) mice, but did evoke them in neurons from TRPV1(-/-) mice. In HEK 293 cells expressing mouse TRPA1 (mTRPA1-HEK), persulfate induced [Ca2+]i increases. Moreover, in HEK 293 cells expressing mouse TRPV1 (mTRPV1-HEK), a high concentration of persulfate also evoked [Ca2+]i increases. Similar [Ca2+]i responses were observed in HEK 293 cells expressing human TRPA1 and human TRPV1. Current responses were also elicited by persulfate in mTRPA1- and mTRPV1-HEK. Analysis using mutated channels revealed that persulfate acted on electrophilic agonist-sensitive cysteine residues of TRPA1, and it indirectly activated TRPV1 due to the external acidification, because of the disappearance of [Ca2+]i responses in acid-insensitive mTRPV1 mutant. These results demonstrate that persulfate activates nociceptive TRPA1 and TRPV1 channels. It is suggested that activation of these nociceptive channels may be involved in respiratory and skin injuries caused by exposure to this industrial sulfur compound. Thus, selective TRPA1 and TRPV1 channel blockers may be effective to remedy persulfate-induced toxic actions.
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Affiliation(s)
- Takahisa Shimada
- Department of Veterinary Pharmacology, Faculty of Agriculture, Tottori University, Tottori, Japan
| | - Kenji Takahashi
- Department of Veterinary Pharmacology, Faculty of Agriculture, Tottori University, Tottori, Japan
| | - Makoto Tominaga
- Division of Cell Signaling, Okazaki Institute for Integrative Bioscience (National Institute for Physiological Sciences), National Institutes of Natural Sciences, Okazaki, Japan
| | - Toshio Ohta
- Department of Veterinary Pharmacology, Faculty of Agriculture, Tottori University, Tottori, Japan.
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25
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Roa-Coria JE, Pineda-Farias JB, Barragán-Iglesias P, Quiñonez-Bastidas GN, Zúñiga-Romero Á, Huerta-Cruz JC, Reyes-García JG, Flores-Murrieta FJ, Granados-Soto V, Rocha-González HI. Possible involvement of peripheral TRP channels in the hydrogen sulfide-induced hyperalgesia in diabetic rats. BMC Neurosci 2019; 20:1. [PMID: 30602386 PMCID: PMC6317195 DOI: 10.1186/s12868-018-0483-3] [Citation(s) in RCA: 35] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/18/2018] [Accepted: 12/20/2018] [Indexed: 12/12/2022] Open
Abstract
BACKGROUND Peripheral diabetic neuropathy can be painful and its symptoms include hyperalgesia, allodynia and spontaneous pain. Hydrogen sulfide (H2S) is involved in diabetes-induced hyperalgesia and allodynia. However, the molecular target through which H2S induces hyperalgesia in diabetic animals is unclear. The aim of this study was to determine the possible involvement of transient receptor potential (TRP) channels in H2S-induced hyperalgesia in diabetic rats. RESULTS Streptozotocin (STZ) injection produced hyperglycemia in rats. Intraplantar injection of NaHS (an exogenous donor of H2S, 3-100 µg/paw) induced hyperalgesia, in a time-dependent manner, in formalin-treated diabetic rats. NaHS-induced hyperalgesia was partially prevented by local intraplantar injection of capsazepine (0.3-3 µg/paw), HC-030031 (100-316 µg/paw) and SKF-96365 (10-30 µg/paw) blockers, at 21 days post-STZ injection. At the doses used, these blockers did not modify formalin-induced nociception. Moreover, capsazepine (0.3-30 µg/paw), HC-030031 (100-1000 µg/paw) and SKF-96365 (10-100 µg/paw) reduced formalin-induced nociception in diabetic rats. Contralateral injection of the highest doses used did not modify formalin-induced flinching behavior. Hyperglycemia, at 21 days, also increased protein expression of cystathionine-β-synthase enzyme (CBS) and TRPC6, but not TRPA1 nor TRPV1, channels in dorsal root ganglia (DRG). Repeated injection of NaHS enhanced CBS and TRPC6 expression, but hydroxylamine (HA) prevented the STZ-induced increase of CBS protein. In addition, daily administration of SKF-96365 diminished TRPC6 protein expression, whereas NaHS partially prevented the decrease of SKF-96365-induced TRPC6 expression. Concordantly, daily intraplantar injection of NaHS enhanced, and HA prevented STZ-induced intraepidermal fiber loss, respectively. CBS was expressed in small- and medium-sized cells of DRG and co-localized with TRPV1, TRPA1 and TRPC6 in IB4-positive neurons. CONCLUSIONS Our data suggest that H2S leads to hyperalgesia in diabetic rats through activation of TRPV1, TRPA1 and TRPC channels and, subsequent intraepidermal fibers loss. CBS enzyme inhibitors or TRP-channel blockers could be useful for treatment of painful diabetic neuropathy.
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Affiliation(s)
- José Eduardo Roa-Coria
- Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón s/n, Col. Casco de Santo Tomas, Miguel Hidalgo, 11340 Ciudad de México, Mexico
| | - Jorge Baruch Pineda-Farias
- Neurobiology of Pain Laboratory, Departamento de Farmacobiología, Cinvestav, Unidad Coapa, Calzada de los Tenorios 235, Col. Granjas Coapa, 14330 Ciudad de México, Mexico
| | - Paulino Barragán-Iglesias
- Neurobiology of Pain Laboratory, Departamento de Farmacobiología, Cinvestav, Unidad Coapa, Calzada de los Tenorios 235, Col. Granjas Coapa, 14330 Ciudad de México, Mexico
| | - Geovanna Nallely Quiñonez-Bastidas
- Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón s/n, Col. Casco de Santo Tomas, Miguel Hidalgo, 11340 Ciudad de México, Mexico
| | - Ángel Zúñiga-Romero
- Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón s/n, Col. Casco de Santo Tomas, Miguel Hidalgo, 11340 Ciudad de México, Mexico
| | - Juan Carlos Huerta-Cruz
- Unidad de Investigación en Farmacología, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosio Villegas”, Secretaría de Salud, Calzada de Tlalpan 4502, Col. Sección XVI, Tlalpan, 14080 Ciudad de México, Mexico
| | - Juan Gerardo Reyes-García
- Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón s/n, Col. Casco de Santo Tomas, Miguel Hidalgo, 11340 Ciudad de México, Mexico
| | - Francisco Javier Flores-Murrieta
- Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón s/n, Col. Casco de Santo Tomas, Miguel Hidalgo, 11340 Ciudad de México, Mexico
- Unidad de Investigación en Farmacología, Instituto Nacional de Enfermedades Respiratorias “Ismael Cosio Villegas”, Secretaría de Salud, Calzada de Tlalpan 4502, Col. Sección XVI, Tlalpan, 14080 Ciudad de México, Mexico
| | - Vinicio Granados-Soto
- Neurobiology of Pain Laboratory, Departamento de Farmacobiología, Cinvestav, Unidad Coapa, Calzada de los Tenorios 235, Col. Granjas Coapa, 14330 Ciudad de México, Mexico
| | - Héctor Isaac Rocha-González
- Sección de Estudios de Posgrado e Investigación, Escuela Superior de Medicina, Instituto Politécnico Nacional, Plan de San Luis y Díaz Mirón s/n, Col. Casco de Santo Tomas, Miguel Hidalgo, 11340 Ciudad de México, Mexico
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Xu X, Li S, Shi Y, Tang Y, Lu W, Han T, Xue B, Li J, Liu C. Hydrogen sulfide downregulates colonic afferent sensitivity by a nitric oxide synthase-dependent mechanism in mice. Neurogastroenterol Motil 2019; 31:e13471. [PMID: 30230133 DOI: 10.1111/nmo.13471] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 06/10/2018] [Revised: 08/04/2018] [Accepted: 08/24/2018] [Indexed: 02/01/2023]
Abstract
BACKGROUND The effect of hydrogen sulfide (H2 S) on visceral nociception is elusive. The conflicting evidence of its pro- and antinociceptive effects raises a series of questions with respect to the effect of H2 S on colonic afferent activity and the underlying mechanism, which was further elucidated in this study. METHODS Colonic mesenteric afferent nerve spikes of normal male C57BL/6J mice, Cbs+/- mice, and Wistar rats were recorded in vitro. The abdominal withdrawal reflex (AWR) induced by colorectal distension (CRD) was evaluated in Cbs+/- mice and WT littermates. KEY RESULTS Sodium hydrosulfide (NaHS) significantly decreased colonic afferent spontaneous discharge, chemosensitivity to bradykinin, mechanosensitivity to ramp distention, and intraluminal pressure in mice. Reducing the relaxant action of NaHS on intestinal smooth muscle using the nonspecific K+ channel blocker TEA (10 mmol/L) did not block the inhibition of NaHS on afferent nerve activity. The inhibitory effects of NaHS (0.5 mmol/L) on colonic afferent sensitivity were largely eliminated by the pretreatment with nonspecific NOS inhibitor NG -Methyl-l-arginine acetate salt (1 mmol/L), the specific nNOS inhibitor NPLA (1 μmol/L), or N-type Ca2+ channel blocker ω-conotoxin GVIA (1 μmol/L). Compared with WT mice, Cbs+/- mice showed increased mesenteric afferent sensitivity to colonic distention and enhanced hyperalgesic response to CRD. Intraperitoneal administration of NaHS (60 μmol/kg) alleviated the nociception response to CRD in both Cbs+/- and WT mice. CONCLUSIONS AND INFERENCES H2 S downregulates colonic mesenteric afferent sensitivity by a nNOS-dependent mechanism in mice. Our findings may demonstrate a new mechanism for the antinociceptive effect of H2 S in colon.
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Affiliation(s)
- Xiaomeng Xu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Shandong University Cheeloo Medical College, Shandong, China
| | - Shuang Li
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Shandong University Cheeloo Medical College, Shandong, China
| | - Yao Shi
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Shandong University Cheeloo Medical College, Shandong, China
| | - Yan Tang
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Shandong University Cheeloo Medical College, Shandong, China
| | - Wen Lu
- College of Agricultural and Biological Engineering, Heze University, Shandong, China
| | - Ting Han
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Shandong University Cheeloo Medical College, Shandong, China
| | - Bing Xue
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Shandong University Cheeloo Medical College, Shandong, China
| | - Jingxin Li
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Shandong University Cheeloo Medical College, Shandong, China
| | - Chuanyong Liu
- Department of Physiology and Pathophysiology, School of Basic Medical Sciences, Shandong University Cheeloo Medical College, Shandong, China.,Provincial Key Lab of Mental Disorder, School of Basic Medical Sciences, Shandong University Cheeloo Medical College, Shandong, China
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Tsubota M, Kawabata A. [Regulation of Ca v3.2-mediated pain signals by hydrogen sulfide]. Nihon Yakurigaku Zasshi 2019; 154:128-132. [PMID: 31527362 DOI: 10.1254/fpj.154.128] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Hydrogen sulfide (H2S), an endogenous gasotransmitter, is generated from L-cysteine by 3 distinct enzymes including cystathionine-γ-lyase (CSE), and targets multiple molecules, thereby playing various roles in health and disease. H2S triggers or accelerates somatic pain and visceral nociceptive signals in the pancreas, colon and bladder by enhancing the activity of Cav3.2 T-type calcium channels. H2S also activates TRPA1, which participates in H2S-induced somatic pain signaling. However, Cav3.2 predominantly mediates colonic nociception by H2S, because genetic deletion of TRPA1 does not reduce H2S-induced colonic pain. The functional upregulation of the CSE/H2S/Cav3.2 system is involved in neuropathic pain and visceral pain accompanying pancreatitis and cystitis. Cav3.2 also appears to participate in irritable bowel syndrome (IBS), although the role of endogenous H2S generation by CSE in IBS is still open to question. In this review, we describe how H2S regulates pain signals, particularly by interacting with Cav3.2.
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Affiliation(s)
- Maho Tsubota
- Division of Pharmacology & Pathophysiology, Faculty of Pharmacy, Kindai University
| | - Atsufumi Kawabata
- Division of Pharmacology & Pathophysiology, Faculty of Pharmacy, Kindai University
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28
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Wang D, Ragnarsson L, Lewis RJ. T-type Calcium Channels in Health and Disease. Curr Med Chem 2018; 27:3098-3122. [PMID: 30277145 DOI: 10.2174/0929867325666181001112821] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2018] [Revised: 08/28/2018] [Accepted: 08/30/2018] [Indexed: 12/12/2022]
Abstract
Low Voltage-Activated (LVA) T-type calcium channels are characterized by transient current and Low Threshold Spikes (LTS) that trigger neuronal firing and oscillatory behavior. Combined with their preferential localization in dendrites and their specific "window current", T-type calcium channels are considered to be key players in signal amplification and synaptic integration. Assisted by the emerging pharmacological tools, the structural determinants of channel gating and kinetics, as well as novel physiological and pathological functions of T-type calcium channels, are being uncovered. In this review, we provide an overview of structural determinants in T-type calcium channels, their involvement in disorders and diseases, the development of novel channel modulators, as well as Structure-Activity Relationship (SAR) studies that lead to rational drug design.
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Affiliation(s)
- Dan Wang
- Division of Chemistry and Structural Biology, Institute for Molecular Bioscience, the University of Queensland, Brisbane Qld 4072, Australia
| | - Lotten Ragnarsson
- Division of Chemistry and Structural Biology, Institute for Molecular Bioscience, the University of Queensland, Brisbane Qld 4072, Australia
| | - Richard J Lewis
- Division of Chemistry and Structural Biology, Institute for Molecular Bioscience, the University of Queensland, Brisbane Qld 4072, Australia
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29
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Li F, Xue Z, Yuan Y, Huang S, Fan Y, Zhu X, Wei L. Upregulation of CXCR4 through promoter demethylation contributes to inflammatory hyperalgesia in rats. CNS Neurosci Ther 2018; 24:947-956. [PMID: 29577638 PMCID: PMC6489799 DOI: 10.1111/cns.12845] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/21/2017] [Revised: 02/13/2018] [Accepted: 02/20/2018] [Indexed: 01/27/2023] Open
Abstract
AIM AND METHODS Chronic pain associated with inflammation is a common clinical problem, and the underlying mechanisms yet are incompletely defined. DNA methylation has been implicated in the pathogenesis of chronic pain. However, the specific genes regulated by DNA methylation under inflammatory pain condition remain largely unknown. Here, we investigated how chemokine receptor CXCR4 expression is regulated by DNA methylation and how it contributes to inflammatory pain induced by complete Freund's adjuvant (CFA) in rats. RESULTS Intraplantar injection of CFA could not only induce significant hyperalgesia in rats, but also significantly increase the expression of CXCR4 mRNA and protein in the dorsal root ganglion (DRG). Intrathecal injection of CXCR4 antagonist AMD3100 significantly relieved hyperalgesia in inflammatory rats in a time- and dose-dependent manner. Bisulfite sequencing and methylation-specific PCR demonstrate that CFA injection led to a significant demethylation of CpG island at CXCR4 gene promoter. Consistently, the expression of DNMT3b was significantly downregulated after CFA injection. Online software prediction reveals three binding sites of p65 in the CpG island of CXCR4 gene promoter, which has confirmed by the chromatin immunoprecipitation assay, CFA treatment significantly increases the recruitment of p65 to CXCR4 gene promoter. Inhibition of NF-kB signaling using p65 inhibitor pyrrolidine dithiocarbamate significantly prevented the increases of the CXCR4 expression. CONCLUSION Upregulation of CXCR4 expression due to promoter demethylation followed by increased recruitment of p65 to promoter of CXCR4 gene contributes to inflammatory hyperalgesia. These findings provide a theoretical basis for the treatment of chronic pain from an epigenetic perspective.
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Affiliation(s)
- Feng Li
- Department of AnesthesiologyThe First People's Hospital of YanchengYanchengJiangsuChina
| | - Zhou‐Ya Xue
- Department of AnesthesiologyThe First People's Hospital of YanchengYanchengJiangsuChina
| | - Yuan Yuan
- Department of OtolaryngologyThe First People's Hospital of YanchengYanchengJiangsuChina
| | - Sai‐Sai Huang
- Department of AnesthesiologyAffiliated Hospital of Nantong UniversityNantonChina
| | - Yi‐Hui Fan
- Department of ImmunologySchool of MedicineNantong UniversityNantongChina
| | - Xiang Zhu
- Department of AnesthesiologyAffiliated Hospital of Nantong UniversityNantonChina
| | - Lei Wei
- Department of AnesthesiologySuzhou Municipal Hospital Affiliated to Nanjing Medical UniversitySuzhouJiangsuChina
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A randomized double-blind placebo-controlled trial showing rifaximin to improve constipation by reducing methane production and accelerating colon transit: A pilot study. Indian J Gastroenterol 2018; 37:416-423. [PMID: 30406392 DOI: 10.1007/s12664-018-0901-6] [Citation(s) in RCA: 33] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/24/2018] [Accepted: 09/20/2018] [Indexed: 02/04/2023]
Abstract
OBJECTIVE Gut microbe-derived methane may slow colon transit causing chronic constipation (CC). Effect of rifaximin on breath methane and slow-transit CC was evaluated. METHOD Bristol stool form, frequency, colon transit time (CTT), and breath methane were evaluated in 23 patients with CC (10 patients with constipation-predominant irritable bowel syndrome [IBS-C], 13 functional constipation, Rome III) and m-ethane production compared with 68 non-constipating IBS. Methane-producing CC (basal ≥ 10 PPM and/or post-lactulose rise by > 10 PPM) was randomized (double-blind) to rifaximin (400-mg thrice/day, 2-weeks) or placebo. Stool forms, frequency, breath methane, and CTT were recorded afterward. RESULTS CC patients tended to be methane producer more often (13/23 [56.5%] vs. 25/68 [36.5%], p = 0.07) and had greater area under curve (AUC) for methane (2415 [435-23,580] vs. 1335 [0-6562.5], p = 0.02) than non-constipating IBS. Methane producers (8/13 [61.5%]) and 5/10 (50%) non-producers had abnormal CTT (marker retention: 36-h, 53 [0-60] vs. 19 [8-56], p = 0.06; 60-h, 16 [0-57] vs. 13 [3-56], p = 0.877). Six and 7/13 methane producers were randomized to rifaximin and placebo, respectively. Rifaximin reduced AUC for methane more (6697.5 [1777.5-23,580] vs. 2617.5 [562.5-19,867.5], p = 0.005) than placebo (3945 [2415-12,952.5] vs. 3720 [502.5-9210], p = 0.118) at 1 month. CTT normalized in 4/6 (66.7%) on rifaximin (36-h retention, 54 [44-57] vs. 36 [23-60], p = 0.05; 60-h, 45 [3-57] vs. 14 [11-51], p = 0.09) but none on placebo (p = 0.02) (36-h, 31 [0-60] vs. 25 [0-45], p = 0.078; 60-h, 6 [0-54] vs. 12 [0-28], p = 0.2). Weekly stool frequency (3 [1-9] and 7 [1-14], p = 0.05) and forms improved with rifaximin than placebo. CONCLUSION Rifaximin improves CC by altering methane production and colon transit. TRIAL REGISTRATION Clinical Trial Registry, India: REF/2012/01/003216 ᅟ ᅟ.
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Sekiguchi F, Tsubota M, Kawabata A. Involvement of Voltage-Gated Calcium Channels in Inflammation and Inflammatory Pain. Biol Pharm Bull 2018; 41:1127-1134. [PMID: 30068860 DOI: 10.1248/bpb.b18-00054] [Citation(s) in RCA: 30] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Voltage-gated calcium channels (VGCCs) are classified into high-voltage-activated (HVA) channels and low-voltage-activated channels consisting of Cav3.1-3.3, known as T ("transient")-type VGCC. There is evidence that certain types of HVA channels are involved in neurogenic inflammation and inflammatory pain, in agreement with reports indicating the therapeutic effectiveness of gabapentinoids, ligands for the α2δ subunit of HVA, in treating not only neuropathic, but also inflammatory, pain. Among the Cav3 family members, Cav3.2 is abundantly expressed in the primary afferents, regulating both neuronal excitability at the peripheral terminals and spontaneous neurotransmitter release at the spinal terminals. The function and expression of Cav3.2 are modulated by a variety of inflammatory mediators including prostanoids and hydrogen sulfide (H2S), a gasotransmitter. The increased activity of Cav3.2 by H2S participates in colonic, bladder and pancreatic pain, and regulates visceral inflammation. Together, VGCCs are involved in inflammation and inflammatory pain, and Cav3.2 T-type VGCC is especially a promising therapeutic target for the treatment of visceral inflammatory pain in patients with irritable bowel syndrome, interstitial cystitis/bladder pain syndrome, pancreatitis, etc., in addition to neuropathic pain.
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Affiliation(s)
- Fumiko Sekiguchi
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University
| | - Maho Tsubota
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University
| | - Atsufumi Kawabata
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University
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32
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Sekiguchi F, Fujita T, Deguchi T, Yamaoka S, Tomochika K, Tsubota M, Ono S, Horaguchi Y, Ichii M, Ichikawa M, Ueno Y, Koike N, Tanino T, Nguyen HD, Okada T, Nishikawa H, Yoshida S, Ohkubo T, Toyooka N, Murata K, Matsuda H, Kawabata A. Blockade of T-type calcium channels by 6-prenylnaringenin, a hop component, alleviates neuropathic and visceral pain in mice. Neuropharmacology 2018; 138:232-244. [PMID: 29913186 DOI: 10.1016/j.neuropharm.2018.06.020] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2018] [Revised: 05/30/2018] [Accepted: 06/14/2018] [Indexed: 10/14/2022]
Abstract
Since Cav3.2 T-type Ca2+ channels (T-channels) expressed in the primary afferents and CNS contribute to intractable pain, we explored T-channel-blocking components in distinct herbal extracts using a whole-cell patch-clamp technique in HEK293 cells stably expressing Cav3.2 or Cav3.1, and purified and identified sophoraflavanone G (SG) as an active compound from SOPHORAE RADIX (SR). Interestingly, hop-derived SG analogues, (2S)-6-prenylnaringenin (6-PNG) and (2S)-8-PNG, but not naringenin, also blocked T-channels; IC50 (μM) of SG, (2S)-6-PNG and (2S)-8-PNG was 0.68-0.75 for Cav3.2 and 0.99-1.41 for Cav3.1. (2S)-6-PNG and (2S)-8-PNG, but not SG, exhibited reversible inhibition. The racemic (2R/S)-6-PNG as well as (2S)-6-PNG potently blocked Cav3.2, but exhibited minor effect on high-voltage-activated Ca2+ channels and voltage-gated Na+ channels in differentiated NG108-15 cells. In mice, the mechanical allodynia following intraplantar (i.pl.) administration of an H2S donor was abolished by oral or i.p. SR extract and by i.pl. SG, (2S)-6-PNG or (2S)-8-PNG, but not naringenin. Intraperitoneal (2R/S)-6-PNG strongly suppressed visceral pain and spinal ERK phosphorylation following intracolonic administration of an H2S donor in mice. (2R/S)-6-PNG, administered i.pl. or i.p., suppressed the neuropathic allodynia induced by partial sciatic nerve ligation or oxaliplatin, an anti-cancer agent, in mice. (2R/S)-6-PNG had little or no effect on open-field behavior, motor performance or cardiovascular function in mice, and on the contractility of isolated rat aorta. (2R/S)-6-PNG, but not SG, was detectable in the brain after their i.p. administration in mice. Our data suggest that 6-PNG, a hop component, blocks T-channels, and alleviates neuropathic and visceral pain with little side effects.
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Affiliation(s)
- Fumiko Sekiguchi
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Tomoyo Fujita
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Takahiro Deguchi
- Division of Natural Drug Resources, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Sakura Yamaoka
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Ken Tomochika
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Maho Tsubota
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Sumire Ono
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Yamato Horaguchi
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Maki Ichii
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Mio Ichikawa
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Yumiko Ueno
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Nene Koike
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Tadatoshi Tanino
- Department of Pharmaceutics, Faculty of Pharmaceutical Sciences, Tokushima Bunri University, Tokushima, 770-8514, Japan
| | - Huy Du Nguyen
- Graduate School of Innovative Life Science, University of Toyama, Toyama, 930-8555, Japan
| | - Takuya Okada
- Graduate School of Innovative Life Science, University of Toyama, Toyama, 930-8555, Japan
| | - Hiroyuki Nishikawa
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Shigeru Yoshida
- Department of Life Science, Faculty of Science and Engineering, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Tsuyako Ohkubo
- Division of Basic Medical Sciences and Fundamental Nursing, Faculty of Nursing, Fukuoka Nursing College, Fukuoka, 814-0193, Japan
| | - Naoki Toyooka
- Graduate School of Innovative Life Science, University of Toyama, Toyama, 930-8555, Japan; Graduate School of Science and Engineering, University of Toyama, Toyama, 930-8555, Japan
| | - Kazuya Murata
- Division of Natural Drug Resources, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Hideaki Matsuda
- Division of Natural Drug Resources, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan
| | - Atsufumi Kawabata
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, 577-8502, Japan.
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Filipovic MR, Zivanovic J, Alvarez B, Banerjee R. Chemical Biology of H 2S Signaling through Persulfidation. Chem Rev 2018; 118:1253-1337. [PMID: 29112440 PMCID: PMC6029264 DOI: 10.1021/acs.chemrev.7b00205] [Citation(s) in RCA: 562] [Impact Index Per Article: 93.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
Signaling by H2S is proposed to occur via persulfidation, a posttranslational modification of cysteine residues (RSH) to persulfides (RSSH). Persulfidation provides a framework for understanding the physiological and pharmacological effects of H2S. Due to the inherent instability of persulfides, their chemistry is understudied. In this review, we discuss the biologically relevant chemistry of H2S and the enzymatic routes for its production and oxidation. We cover the chemical biology of persulfides and the chemical probes for detecting them. We conclude by discussing the roles ascribed to protein persulfidation in cell signaling pathways.
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Affiliation(s)
- Milos R. Filipovic
- Univeristy of Bordeaux, IBGC, UMR 5095, F-33077 Bordeaux, France
- CNRS, IBGC, UMR 5095, F-33077 Bordeaux, France
| | - Jasmina Zivanovic
- Univeristy of Bordeaux, IBGC, UMR 5095, F-33077 Bordeaux, France
- CNRS, IBGC, UMR 5095, F-33077 Bordeaux, France
| | - Beatriz Alvarez
- Laboratorio de Enzimología, Facultad de Ciencias and Center for Free Radical and Biomedical Research, Universidad de la Republica, 11400 Montevideo, Uruguay
| | - Ruma Banerjee
- Department of Biological Chemistry, University of Michigan Medical School, Ann Arbor, Michigan 48109-0600, United States
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Tsubota M, Okawa Y, Irie Y, Maeda M, Ozaki T, Sekiguchi F, Ishikura H, Kawabata A. Involvement of the cystathionine-γ-lyase/Ca v3.2 pathway in substance P-induced bladder pain in the mouse, a model for nonulcerative bladder pain syndrome. Neuropharmacology 2018; 133:254-263. [PMID: 29407215 DOI: 10.1016/j.neuropharm.2018.01.037] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/20/2016] [Revised: 11/29/2017] [Accepted: 01/25/2018] [Indexed: 11/28/2022]
Abstract
Hydrogen sulfide (H2S) formed by cystathionine-γ-lyase (CSE) enhances the activity of Cav3.2 T-type Ca2+ channels, contributing to the bladder pain accompanying hemorrhagic cystitis caused by systemic administration of cyclophosphamide (CPA) in mice. Given clinical and fundamental evidence for the involvement of the substance P/NK1 receptor systems in bladder pain syndrome (BPS)/interstitial cystitis (IC), we created an intravesical substance P-induced bladder pain model in mice and analyzed the possible involvement of the CSE/Cav3.2 pathway. Bladder pain/cystitis was induced by i.p. CPA or intravesical substance P in female mice. Bladder pain was evaluated by counting nociceptive behavior and by detecting referred hyperalgesia in the lower abdomen and hindpaw. The isolated bladder tissue was weighed to estimate bladder swelling and subjected to histological observation and Western blotting. Intravesical substance P caused profound referred hyperalgesia accompanied by little bladder swelling or edema 6-24 h after the administration, in contrast to i.p. CPA-induced nociceptive behavior/referred hyperalgesia with remarkable bladder swelling/edema and urothelial damage. The bladder pain and/or cystitis symptoms caused by substance P or CPA were prevented by the NK1 receptor antagonist. CSE in the bladder was upregulated by substance P or CPA, and the NK1 antagonist prevented the CPA-induced CSE upregulation. A CSE inhibitor, a T-type Ca2+ channel blocker and gene silencing of Cav3.2 abolished the intravesical substance P-induced referred hyperalgesia. The intravesical substance P-induced pain in mice is useful as a model for nonulcerative BPS, and involves the activation of the NK1 receptor/CSE/H2S/Cav3.2 cascade.
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Affiliation(s)
- Maho Tsubota
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka 577-8502, Japan
| | - Yasumasa Okawa
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka 577-8502, Japan
| | - Yuhei Irie
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka 577-8502, Japan; Division of Emergency and Critical Care Medicine, Fukuoka University, Hospital, Fukuoka 814-0180, Japan
| | - Mariko Maeda
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka 577-8502, Japan
| | - Tomoka Ozaki
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka 577-8502, Japan
| | - Fumiko Sekiguchi
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka 577-8502, Japan
| | - Hiroyasu Ishikura
- Division of Emergency and Critical Care Medicine, Fukuoka University, Hospital, Fukuoka 814-0180, Japan
| | - Atsufumi Kawabata
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, 3-4-1 Kowakae, Higashi-Osaka 577-8502, Japan.
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Wang W, Bo Q, Du J, Yu X, Zhu K, Cui J, Zhao H, Wang Y, Shi B, Zhu Y. Endogenous H 2S sensitizes PAR4-induced bladder pain. Am J Physiol Renal Physiol 2018; 314:F1077-F1086. [PMID: 29357418 DOI: 10.1152/ajprenal.00526.2017] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023] Open
Abstract
Bladder pain is a prominent symptom of interstitial cystitis/painful bladder syndrome. Hydrogen sulfide (H2S) generated by cystathionine β-synthase (CBS) or cystathionine γ-lyase (CSE) facilitates bladder hypersensitivity. We assessed involvement of the H2S pathway in protease-activated receptor 4 (PAR4)-induced bladder pain. A bladder pain model was induced by intravesical instillation of PAR4-activating peptide in mice. The role of H2S in this model was evaluated by intraperitoneal preadministration of d,l-propargylglycine (PAG), aminooxyacetic acid (AOAA), or S-adenosylmethionine or the preintravesical administration of NaHS. SV-HUC-1 cells were treated in similar manners. Assessments of CBS, CSE, and macrophage migration inhibitory factor (MIF) expression, bladder voiding function, bladder inflammation, H2S production, and referred bladder pain were performed. The CSE and CBS pathways existed in both mouse bladders and SV-HUC-1 cells. H2S signaling was upregulated in PAR4-induced bladder pain models, and H2S-generating enzyme activity was upregulated in human bladders, mouse bladders, and SV-HUC-1 cells. Pretreatment with AOAA or NaHS inhibited or promoted PAR4-induced mechanical hyperalgesia, respectively; however, PAG only partially inhibited PAR4-induced bladder pain. Treatment with PAG or AOAA decreased H2S production in both mouse bladders and SV-HUC-1 cells. Pretreatment with AOAA increased MIF protein levels in bladder tissues and cells, whereas pretreatment with NaHS lowered MIF protein levels. Bladder pain triggered by the H2S pathway was not accompanied by inflammation or altered micturition behavior. Thus endogenous H2S generated by CBS or CSE caused referred hyperalgesia mediated through MIF in mice with PAR4-induced bladder pain, without causing bladder injury or altering micturition behavior.
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Affiliation(s)
- Wenfu Wang
- Department of Urology, Qilu Hospital of Shandong University , Jinan , China
| | - Qiyu Bo
- Department of First Operation Room, Qilu Hospital of Shandong University , Jinan , China
| | - Jian Du
- Department of Urology, Qilu Hospital of Shandong University , Jinan , China
| | - Xin Yu
- Department of Physiology, Shandong University School of Physiology , Jinan , China
| | - Kejia Zhu
- Department of Urology, Qilu Hospital of Shandong University , Jinan , China
| | - Jianfeng Cui
- Department of Urology, Qilu Hospital of Shandong University , Jinan , China
| | - Hongda Zhao
- Department of Urology, Qilu Hospital of Shandong University , Jinan , China
| | - Yong Wang
- Department of Urology, Qilu Hospital of Shandong University , Jinan , China
| | - Benkang Shi
- Department of Urology, Qilu Hospital of Shandong University , Jinan , China
| | - Yaofeng Zhu
- Department of Urology, Qilu Hospital of Shandong University , Jinan , China
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Principi N, Cozzali R, Farinelli E, Brusaferro A, Esposito S. Gut dysbiosis and irritable bowel syndrome: The potential role of probiotics. J Infect 2017; 76:111-120. [PMID: 29291933 DOI: 10.1016/j.jinf.2017.12.013] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.1] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2017] [Revised: 12/20/2017] [Accepted: 12/22/2017] [Indexed: 12/19/2022]
Abstract
OBJECTIVE To discuss the role of gut dysbiosis in the development of irritable bowel syndrome (IBS) and the impact of probiotics as a potential therapeutic measure. METHODS PubMed was used to search for all of the studies published over the last 15 years using the key words: "irritable bowel syndrome" and "gut dysbiosis" or "probiotic". More than 800 articles were found, but only those published in English or providing evidence-based data were included in the evaluation. RESULTS IBS is a common disease for which no resolutive therapy is presently available. In recent years, strong evidence of a possible relationship between modifications of the gut microbiota composition and development of IBS has been collected. Moreover, the evidence showed that attempts to treat acute infectious and post-antibiotic gastroenteritis with some probiotics were significantly effective in a great number of patients, leading many experts to suggest the use of probiotics to address all of the clinical problems associated with IBS. CONCLUSION The available data are promising, but presently, a precise definition of which probiotic or which mixture of probiotics is effective cannot be made. Moreover, the dose and duration of treatment has not been established. Finally, we do not know whether probiotic treatment should be different according to the type of IBS. Further studies are needed before probiotics can be considered a reliable treatment for IBS.
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Affiliation(s)
| | - Rita Cozzali
- Pediatric Clinic, Department of Surgical and Biomedical Sciences, Università degli Studi di Perugia, Perugia, Italy
| | - Edoardo Farinelli
- Pediatric Clinic, Department of Surgical and Biomedical Sciences, Università degli Studi di Perugia, Perugia, Italy
| | - Andrea Brusaferro
- Pediatric Clinic, Department of Surgical and Biomedical Sciences, Università degli Studi di Perugia, Perugia, Italy
| | - Susanna Esposito
- Pediatric Clinic, Department of Surgical and Biomedical Sciences, Università degli Studi di Perugia, Perugia, Italy.
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Ozaki T, Tsubota M, Sekiguchi F, Kawabata A. Involvement of NF-κB in the upregulation of cystathionine-γ-lyase, a hydrogen sulfide-forming enzyme, and bladder pain accompanying cystitis in mice. Clin Exp Pharmacol Physiol 2017; 45:355-361. [PMID: 29044685 DOI: 10.1111/1440-1681.12875] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2017] [Revised: 10/07/2017] [Accepted: 10/10/2017] [Indexed: 12/11/2022]
Abstract
Hydrogen sulfide (H2 S) is generated from l-cysteine by multiple enzymes including cystathionine-γ-lyase (CSE), and promotes nociception by targeting multiple molecules such as Cav 3.2 T-type Ca2+ channels. Bladder pain accompanying cyclophosphamide (CPA)-induced cystitis in mice has been shown to involve the functional upregulation of the CSE/H2 S/Cav 3.2 pathway. Therefore, we investigated whether NF-κB, as an upstream signal of the CSE/H2 S system, contributes to bladder pain in mice with CPA-induced cystitis. Bladder pain-like nociceptive behaviour was observed in CPA-treated mice, and referred hyperalgesia was evaluated by the von Frey test. Isolated bladder weights were assessed to estimate bladder swelling, and protein levels were measured by Western blotting. CPA, administered intraperitoneally, induced nociceptive behaviour, referred hyperalgesia and increased bladder weights in mice. β-Cyano-l-alanine, a reversible selective CSE inhibitor, prevented CPA-induced nociceptive behaviour, referred hyperalgesia, and, in part, increases in bladder weight. CPA markedly increased phosphorylated NF-κB p65 levels in the bladder, an effect that was prevented by pyrrolidine dithiocarbamate (PDTC), an NF-κB inhibitor. PDTC and curcumin, which inhibits NF-κB signals, abolished CPA-induced nociceptive behaviour, referred hyperalgesia and, in part, increases in bladder weight. CPA caused the overexpression of CSE in the bladder, and this was prevented by PDTC or curcumin. The CPA-induced activation of NF-κB signals appeared to cause CSE overexpression in the bladder, contributing to bladder pain and in part swelling, possibly through H2 S/Cav 3.2 signaling. Therefore, NF-κB-inhibiting compounds including curcumin may be useful for the treatment of cystitis-related bladder pain.
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Affiliation(s)
- Tomoka Ozaki
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, Japan
| | - Maho Tsubota
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, Japan
| | - Fumiko Sekiguchi
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, Japan
| | - Atsufumi Kawabata
- Laboratory of Pharmacology and Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka, Japan
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Zinc deficiency promotes cystitis-related bladder pain by enhancing function and expression of Ca v3.2 in mice. Toxicology 2017; 393:102-112. [PMID: 29129814 DOI: 10.1016/j.tox.2017.11.012] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/26/2017] [Revised: 11/08/2017] [Accepted: 11/08/2017] [Indexed: 01/15/2023]
Abstract
Cav3.2 T-type Ca2+ channel activity is suppressed by zinc that binds to the extracellular histidine-191 of Cav3.2, and enhanced by H2S that interacts with zinc. Cav3.2 in nociceptors is upregulated in an activity-dependent manner. The enhanced Cav3.2 activity by H2S formed by the upregulated cystathionine-γ-lyase (CSE) is involved in the cyclophosphamide (CPA)-induced cystitis-related bladder pain in mice. We thus asked if zinc deficiency affects the cystitis-related bladder pain in mice by altering Cav3.2 function and/or expression. Dietary zinc deficiency for 2 weeks greatly decreased zinc concentrations in the plasma but not bladder tissue, and enhanced the bladder pain/referred hyperalgesia (BP/RH) following CPA at 200mg/kg, a subeffective dose, but not 400mg/kg, a maximal dose, an effect abolished by pharmacological blockade or gene silencing of Cav3.2. Acute zinc deficiency caused by systemic N,N,N',N'-tetrakis-(2-pyridylmethyl)-ethylendiamine (TPEN), a zinc chelator, mimicked the dietary zinc deficiency-induced Cav3.2-dependent promotion of BP/RH following CPA at 200mg/kg. CPA at 400mg/kg alone or TPEN plus CPA at 200mg/kg caused Cav3.2 overexpression accompanied by upregulation of Egr-1 and USP5, known to promote transcriptional expression and reduce proteasomal degradation of Cav3.2, respectively, in the dorsal root ganglia (DRG). The CSE inhibitor, β-cyano-l-alanine, prevented the BP/RH and upregulation of Cav3.2, Egr-1 and USP5 in DRG following TPEN plus CPA at 200mg/kg. Together, zinc deficiency promotes bladder pain accompanying CPA-induced cystitis by enhancing function and expression of Cav3.2 in nociceptors, suggesting a novel therapeutic avenue for treatment of bladder pain, such as zinc supplementation.
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Jimenez M, Gil V, Martinez‐Cutillas M, Mañé N, Gallego D. Hydrogen sulphide as a signalling molecule regulating physiopathological processes in gastrointestinal motility. Br J Pharmacol 2017; 174. [PMID: 28631296 PMCID: PMC5554320 DOI: 10.1111/bph.13918] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
The biology of H2 S is a still developing area of research and several biological functions have been recently attributed to this gaseous molecule in many physiological systems, including the cardiovascular, urogenital, respiratory, digestive and central nervous system (CNS). H2 S exerts anti-inflammatory effects and can be considered an endogenous mediator with potential effects on gastrointestinal motility. During the last few years, we have investigated the role of H2 S as a regulator of gastrointestinal motility using both animal and human tissues. The aim of the present work is to review published data regarding the potential role of H2 S as a signalling molecule regulating physiopathological processes in gastrointestinal motor function. H2 S is endogenously produced by defined enzymic pathways in different cell types of the intestinal wall including neurons and smooth muscle. Inhibition of H2 S biosynthesis increases motility and H2 S donors cause smooth muscle relaxation and inhibition of propulsive motor patterns. Impaired H2 S production has been described in animal models with gastrointestinal motor dysfunction. The mechanism(s) of action underlying these effects may include several ion channels, although no specific receptor has been identified. At this time, even though there is much experimental evidence for H2 S as a modulator of gastrointestinal motility, we still do not have conclusive experimental evidence to definitively propose H2 S as an inhibitory neurotransmitter in the gastrointestinal tract, causing nerve-mediated relaxation.
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Affiliation(s)
- M Jimenez
- Department of Cell Biology, Physiology and Immunology and Neuroscience InstituteUniversitat Autònoma de BarcelonaBarcelonaSpain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd)Instituto de Salud Carlos IIIBarcelonaSpain
| | - V Gil
- Department of Cell Biology, Physiology and Immunology and Neuroscience InstituteUniversitat Autònoma de BarcelonaBarcelonaSpain
| | - M Martinez‐Cutillas
- Department of Cell Biology, Physiology and Immunology and Neuroscience InstituteUniversitat Autònoma de BarcelonaBarcelonaSpain
| | - N Mañé
- Department of Cell Biology, Physiology and Immunology and Neuroscience InstituteUniversitat Autònoma de BarcelonaBarcelonaSpain
| | - D Gallego
- Department of Cell Biology, Physiology and Immunology and Neuroscience InstituteUniversitat Autònoma de BarcelonaBarcelonaSpain
- Centro de Investigación Biomédica en Red de Enfermedades Hepáticas y Digestivas (CIBERehd)Instituto de Salud Carlos IIIBarcelonaSpain
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Koroleva K, Mustafina A, Yakovlev A, Hermann A, Giniatullin R, Sitdikova G. Receptor Mechanisms Mediating the Pro-Nociceptive Action of Hydrogen Sulfide in Rat Trigeminal Neurons and Meningeal Afferents. Front Cell Neurosci 2017; 11:226. [PMID: 28798669 PMCID: PMC5529342 DOI: 10.3389/fncel.2017.00226] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2017] [Accepted: 07/14/2017] [Indexed: 01/10/2023] Open
Abstract
Hydrogen sulfide (H2S), a well-established member of the gasotransmitter family, is involved in a variety of physiological functions, including pro-nociceptive action in the sensory system. Although several reports have shown that H2S activates sensory neurons, the molecular targets of H2S action in trigeminal (TG) nociception, implicated in migraine, remains controversial. In this study, using suction electrode recordings, we investigate the effect of the H2S donor, sodium hydrosulfide (NaHS), on nociceptive firing in rat meningeal TG nerve fibers. The effect of NaHS was also explored with patch-clamp and calcium imaging techniques on isolated TG neurons. NaHS dramatically increased the nociceptive firing in TG nerve fibers. This effect was abolished by the TRPV1 inhibitor capsazepine but was partially prevented by the TRPA1 blocker HC 030031. In a fraction of isolated TG neurons, NaHS transiently increased amplitude of capsaicin-induced currents. Moreover, NaHS by itself induced inward currents in sensory neurons, which were abolished by the TRPV1 inhibitor capsazepine suggesting involvement of TRPV1 receptors. In contrast, the inhibitor of TRPA1 receptors HC 030031 did not prevent the NaHS-induced currents. Imaging of a large population of TG neurons revealed that NaHS induced calcium transients in 41% of tested neurons. Interestingly, this effect of NaHS in some neurons was inhibited by the TRPV1 antagonist capsazepine whereas in others it was sensitive to the TRPA1 blocker HC 030031. Our data suggest that both TRPV1 and TRPA1 receptors play a role in the pro-nociceptive action of NaHS in peripheral TG nerve endings in meninges and in somas of TG neurons. We propose that activation of TRPV1 and TRPA1 receptors by H2S during neuro-inflammation conditions contributes to the nociceptive firing in primary afferents underlying migraine pain.
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Affiliation(s)
- Kseniya Koroleva
- Department of Human and Animal Physiology, Institute of Fundamental Medicine and Biology, Kazan Federal UniversityKazan, Russia
| | - Alsu Mustafina
- Department of Human and Animal Physiology, Institute of Fundamental Medicine and Biology, Kazan Federal UniversityKazan, Russia
| | - Aleksey Yakovlev
- Department of Human and Animal Physiology, Institute of Fundamental Medicine and Biology, Kazan Federal UniversityKazan, Russia
| | - Anton Hermann
- Department of Cell Biology and Physiology, University of SalzburgSalzburg, Austria
| | - Rashid Giniatullin
- Department of Human and Animal Physiology, Institute of Fundamental Medicine and Biology, Kazan Federal UniversityKazan, Russia.,A.I. Virtanen Institute for Molecular Sciences, University of Eastern FinlandKuopio, Finland
| | - Guzel Sitdikova
- Department of Human and Animal Physiology, Institute of Fundamental Medicine and Biology, Kazan Federal UniversityKazan, Russia
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Abstract
SIGNIFICANCE The family of gasotransmitter molecules, nitric oxide (NO), carbon monoxide (CO), and hydrogen sulfide (H2S), has emerged as an important mediator of numerous cellular signal transduction and pathophysiological responses. As such, these molecules have been reported to influence a diverse array of biochemical, molecular, and cell biology events often impacting one another. Recent Advances: Discrete regulation of gasotransmitter molecule formation, movement, and reaction is critical to their biological function. Due to the chemical nature of these molecules, they can move rapidly throughout cells and tissues acting on targets through reactions with metal groups, reactive chemical species, and protein amino acids. CRITICAL ISSUES Given the breadth and complexity of gasotransmitter reactions, this field of research is expanding into exciting, yet sometimes confusing, areas of study with significant promise for understanding health and disease. The precise amounts of tissue and cellular gasotransmitter levels and where they are formed, as well as how they react with molecular targets or themselves, all remain poorly understood. FUTURE DIRECTIONS Elucidation of specific molecular targets, characteristics of gasotransmitter molecule heterotypic interactions, and spatiotemporal formation and metabolism are all important to better understand their true pathophysiological importance in various organ systems. Antioxid. Redox Signal. 26, 936-960.
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Affiliation(s)
- Gopi K Kolluru
- 1 Department of Pathology, LSU Health Sciences Center-Shreveport , Shreveport, Louisiana
| | - Xinggui Shen
- 1 Department of Pathology, LSU Health Sciences Center-Shreveport , Shreveport, Louisiana
| | - Shuai Yuan
- 2 Department of Cellular Biology and Anatomy, LSU Health Sciences Center-Shreveport , Shreveport, Louisiana
| | - Christopher G Kevil
- 1 Department of Pathology, LSU Health Sciences Center-Shreveport , Shreveport, Louisiana.,2 Department of Cellular Biology and Anatomy, LSU Health Sciences Center-Shreveport , Shreveport, Louisiana.,3 Department of Molecular and Cellular Physiology, LSU Health Sciences Center-Shreveport , Shreveport, Louisiana
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Scanzi J, Accarie A, Muller E, Pereira B, Aissouni Y, Goutte M, Joubert-Zakeyh J, Picard E, Boudieu L, Mallet C, Gelot A, Ardid D, Carvalho FA, Dapoigny M. Colonic overexpression of the T-type calcium channel Ca v 3.2 in a mouse model of visceral hypersensitivity and in irritable bowel syndrome patients. Neurogastroenterol Motil 2016; 28:1632-1640. [PMID: 27196538 DOI: 10.1111/nmo.12860] [Citation(s) in RCA: 37] [Impact Index Per Article: 4.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/09/2015] [Accepted: 04/22/2016] [Indexed: 02/08/2023]
Abstract
BACKGROUND Among the different mechanisms involved in irritable bowel syndrome (IBS) physiopathology, visceral hypersensitivity seems to play a key role. It involves sensitization of the colonic primary afferent fibers, especially through an overexpression of ion channels. The aims of this translational study were to investigate the colonic expression of Cav 3.2 calcium channels and their involvement in an animal model of colonic hypersensitivity, and to assess their expression in the colonic mucosa of symptomatic IBS patients. METHODS This bench-to-bed study combined a preclinical experimental study on mice and a case-control clinical study. Preclinical studies were performed on wild-type and Cav 3.2-KO mice. Colonic sensitivity and Cav 3.2 expression were studied after a low-dose treatment of dextran sodium sulfate (DSS 0.5%). Regarding the clinical study, colonic biopsies were performed in 14 IBS patients and 16 controls during a colonoscopy to analyze the mucosal Cav 3.2 expression. KEY RESULTS Wild-type, but not Cav 3.2-KO, mice developed visceral hypersensitivity without colonic inflammation, after 0.5% DSS treatment. A significant increase of Cav 3.2 mRNA (p = 0.04) was found in the colon of low-dose DSS-treated wild-type (WT) mice compared to their controls. In human colonic biopsies, the Cav 3.2 mRNA level was significantly higher in the IBS group compared to the control group (p = 0.01). The immunofluorescence staining revealed their protein expression in colonic mucosa, particularly in nerve fibers. CONCLUSIONS & INFERENCES This translational study supports the involvement of the calcium channels Cav 3.2 in abdominal pain, as observed in IBS patients. It opens new therapeutic perspectives based on molecules specifically blocking these channels.
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Affiliation(s)
- J Scanzi
- Centre Hospitalier Universitaire Estaing, Department of Digestive Diseases, CHU Clermont-Ferrand, Clermont-Ferrand, France. .,Inserm UMR 1107 Neurodol/Université d'Auvergne, Medicine Faculty of Clermont-Ferrand, Auvergne University, Clermont-Ferrand, France.
| | - A Accarie
- Inserm UMR 1107 Neurodol/Université d'Auvergne, Medicine Faculty of Clermont-Ferrand, Auvergne University, Clermont-Ferrand, France
| | - E Muller
- Inserm UMR 1107 Neurodol/Université d'Auvergne, Medicine Faculty of Clermont-Ferrand, Auvergne University, Clermont-Ferrand, France
| | - B Pereira
- Centre Hospitalier Universitaire G. Montpied, Biostatistics Unit (DRCI), CHU Clermont-Ferrand, Clermont-Ferrand, France
| | - Y Aissouni
- Inserm UMR 1107 Neurodol/Université d'Auvergne, Medicine Faculty of Clermont-Ferrand, Auvergne University, Clermont-Ferrand, France
| | - M Goutte
- Centre Hospitalier Universitaire Estaing, Department of Digestive Diseases, CHU Clermont-Ferrand, Clermont-Ferrand, France
| | - J Joubert-Zakeyh
- Centre Hospitalier Universitaire Estaing, Department of Histopathology, CHU Estaing Clermont-Ferrand, Clermont-Ferrand, France
| | - E Picard
- Inserm UMR 1107 Neurodol/Université d'Auvergne, Medicine Faculty of Clermont-Ferrand, Auvergne University, Clermont-Ferrand, France
| | - L Boudieu
- Inserm UMR 1107 Neurodol/Université d'Auvergne, Medicine Faculty of Clermont-Ferrand, Auvergne University, Clermont-Ferrand, France
| | - C Mallet
- Inserm UMR 1107 Neurodol/Université d'Auvergne, Medicine Faculty of Clermont-Ferrand, Auvergne University, Clermont-Ferrand, France
| | - A Gelot
- Inserm UMR 1107 Neurodol/Université d'Auvergne, Medicine Faculty of Clermont-Ferrand, Auvergne University, Clermont-Ferrand, France
| | - D Ardid
- Inserm UMR 1107 Neurodol/Université d'Auvergne, Medicine Faculty of Clermont-Ferrand, Auvergne University, Clermont-Ferrand, France
| | - F A Carvalho
- Inserm UMR 1107 Neurodol/Université d'Auvergne, Medicine Faculty of Clermont-Ferrand, Auvergne University, Clermont-Ferrand, France
| | - M Dapoigny
- Centre Hospitalier Universitaire Estaing, Department of Digestive Diseases, CHU Clermont-Ferrand, Clermont-Ferrand, France.,Inserm UMR 1107 Neurodol/Université d'Auvergne, Medicine Faculty of Clermont-Ferrand, Auvergne University, Clermont-Ferrand, France
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Gaurilcikaite E, Renton T, Grant AD. The paradox of painless periodontal disease. Oral Dis 2016; 23:451-463. [PMID: 27397640 DOI: 10.1111/odi.12537] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2015] [Revised: 05/04/2016] [Accepted: 06/23/2016] [Indexed: 12/23/2022]
Abstract
Periodontal diseases, primarily gingivitis and periodontitis, are characterised by progressive inflammation and tissue destruction. However, they are unusual in that they are not also accompanied by the pain commonly seen in other inflammatory conditions. This suggests that interactions between periodontal bacteria and host cells create a unique environment in which the pro-algesic effects of inflammatory mediators and factors released during tissue damage are directly or indirectly inhibited. In this review, we summarise the evidence that periodontal disease is characterised by an accumulation of classically pro-algesic factors from bacteria and host cells. We then discuss several mechanisms by which inflammatory sensitisation of nociceptive fibres could be prevented through inactivation or inhibition of these factors. Further studies are necessary to fully understand the molecular processes underlying the endogenous localised hypoalgesia in human periodontal disease. This knowledge might provide a rational basis to develop future therapeutic interventions, such as host modulation therapies, against a wide variety of other human pain conditions.
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Affiliation(s)
- E Gaurilcikaite
- Wolfson Centre for Age-Related Diseases, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
| | - T Renton
- Department of Oral Surgery, Dental Institute, King's College London, London, UK
| | - A D Grant
- Wolfson Centre for Age-Related Diseases, Institute of Psychiatry, Psychology and Neuroscience, King's College London, London, UK
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Guo FF, Yu TC, Hong J, Fang JY. Emerging Roles of Hydrogen Sulfide in Inflammatory and Neoplastic Colonic Diseases. Front Physiol 2016; 7:156. [PMID: 27199771 PMCID: PMC4853395 DOI: 10.3389/fphys.2016.00156] [Citation(s) in RCA: 83] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/08/2016] [Accepted: 04/11/2016] [Indexed: 01/07/2023] Open
Abstract
Hydrogen sulfide (H2S) is a toxic gas that has been recognized as an important mediator of many physiological processes, such as neurodegeneration, regulation of inflammation, blood pressure, and metabolism. In the human colon, H2S is produced by both endogenous enzymes and sulfate-reducing bacteria (SRB). H2S is involved in the physiological and pathophysiological conditions of the colon, such as inflammatory bowel disease (IBD) and colorectal cancer (CRC), which makes the pharmacological modulation of H2S production and metabolism a potential chemical target for the treatment of colonic diseases. However, the exact mechanisms and pathways by which H2S-mediates normal physiological function and disease in the colon are not fully understood. Besides, the production and release of H2S are modulated by both endogenous and exogenous factors. This review will discuss the production and storage of H2S, its biological roles and the emerging importance in physiology and pathology of IBD and CRC.
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Affiliation(s)
- Fang-Fang Guo
- State Key Laboratory of Oncogene and Related Genes, Key Laboratory of Gastroenterology and Hepatology, Division of Gastroenterology and Hepatology, Ministry of Health, School of Medicine, Shanghai Cancer Institute, Shanghai Institution of Digestive Disease, Ren Ji Hospital, Shanghai Jiao Tong University Shanghai, China
| | - Ta-Chung Yu
- State Key Laboratory of Oncogene and Related Genes, Key Laboratory of Gastroenterology and Hepatology, Division of Gastroenterology and Hepatology, Ministry of Health, School of Medicine, Shanghai Cancer Institute, Shanghai Institution of Digestive Disease, Ren Ji Hospital, Shanghai Jiao Tong University Shanghai, China
| | - Jie Hong
- State Key Laboratory of Oncogene and Related Genes, Key Laboratory of Gastroenterology and Hepatology, Division of Gastroenterology and Hepatology, Ministry of Health, School of Medicine, Shanghai Cancer Institute, Shanghai Institution of Digestive Disease, Ren Ji Hospital, Shanghai Jiao Tong University Shanghai, China
| | - Jing-Yuan Fang
- State Key Laboratory of Oncogene and Related Genes, Key Laboratory of Gastroenterology and Hepatology, Division of Gastroenterology and Hepatology, Ministry of Health, School of Medicine, Shanghai Cancer Institute, Shanghai Institution of Digestive Disease, Ren Ji Hospital, Shanghai Jiao Tong University Shanghai, China
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Leszczyszyn JJ, Radomski M, Leszczyszyn AM. Intestinal microbiota transplant - current state of knowledge. Reumatologia 2016; 54:24-8. [PMID: 27407273 PMCID: PMC4847330 DOI: 10.5114/reum.2016.58758] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2016] [Accepted: 02/26/2016] [Indexed: 12/21/2022] Open
Abstract
Faecal microbiota transplantation (FMT) has induced a lot scientific interest and hopes for the last couple of years. FMT has been approved as a treatment of recurrent Clostridium difficile colitis. Highly sophisticated molecular DNA identification methods have been used to assess the healthy human microbiome as well as its disturbances in several diseases. The metabolic and immunologic functions of the microbiome have become more clear and understandable. A lot of pathological changes, such as production of short-chain fatty acids or components of the inflammatory cascade, caused by changes in microbiome diversity, variability and richness have been observed among patients suffering from inflammatory bowel diseases, irritable bowel syndrome, type 2 diabetes or rheumatoid arthritis. The published clinical results are encouraging, but still there is huge demand for FMT controlled clinical trials.
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Affiliation(s)
- Jarosław Jerzy Leszczyszyn
- National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland
- Biotransplant Research, Wroclaw, Poland
| | - Marek Radomski
- National Institute of Geriatrics, Rheumatology and Rehabilitation, Warsaw, Poland
- School of Pharmacy and Pharmaceutical Sciences, University of Dublin, Trinity College, Dublin, Ireland
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Therapeutic potential of RQ-00311651, a novel T-type Ca2+ channel blocker, in distinct rodent models for neuropathic and visceral pain. Pain 2016; 157:1655-1665. [DOI: 10.1097/j.pain.0000000000000565] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/26/2022]
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Aoki Y, Tsubota M, Nishimoto Y, Maeda Y, Sekiguchi F, Kawabata A. Selective sensitization of C-fiber nociceptors by hydrogen sulfide. J Pharmacol Sci 2016; 130:38-41. [PMID: 26826903 DOI: 10.1016/j.jphs.2015.12.009] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2015] [Accepted: 12/28/2015] [Indexed: 10/22/2022] Open
Abstract
We examined the effects of intraplantar (i.pl.) administration of NaHS, an H2S donor, known to cause T-type Ca(2+) channel (T-channel)-dependent mechanical hyperalgesia, on responsiveness to electric stimulation with 5, 250 and 2000 Hz sine waves (SW) that selectively excites C, Aδ and Aβ fibers, respectively. NaHS, given i.pl., caused behavioral hypersensitivity to SW stimulation at 5 Hz, but not 250 or 2000 Hz, in rats. NaHS also enhanced phosphorylation of spinal ERK following 5 Hz SW stimulation. Three distinct T-channel blockers abolished the NaHS-induced behavioral hypersensitivity to 5 Hz SW stimulation. Thus, H2S selectively sensitizes C-fiber nociceptors via T-channels.
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Affiliation(s)
- Yuka Aoki
- Laboratory of Pharmacology & Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka 577-8502, Japan
| | - Maho Tsubota
- Laboratory of Pharmacology & Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka 577-8502, Japan
| | - Yuta Nishimoto
- Laboratory of Pharmacology & Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka 577-8502, Japan
| | - Yumi Maeda
- Laboratory of Pharmacology & Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka 577-8502, Japan
| | - Fumiko Sekiguchi
- Laboratory of Pharmacology & Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka 577-8502, Japan
| | - Atsufumi Kawabata
- Laboratory of Pharmacology & Pathophysiology, Faculty of Pharmacy, Kindai University, Higashi-Osaka 577-8502, Japan.
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Sen U, Pushpakumar S. Mini-review: diabetic renal complications, a potential stinky remedy. Am J Physiol Renal Physiol 2015; 310:F119-22. [PMID: 26538437 DOI: 10.1152/ajprenal.00299.2015] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2015] [Accepted: 11/02/2015] [Indexed: 01/08/2023] Open
Abstract
Chronic kidney disease is associated with vasculitis and is also an independent risk factor for peripheral vascular and coronary artery disease in diabetic patients. Despite optimal management, a significant number of patients progress toward end-stage renal disease (ESRD), a suggestion that the disease mechanism is far from clear. A reduction in hydrogen sulfide (H2S) has been suggested to play a vital role in diabetic vascular complications including diabetic nephropathy (DN). This mini-review highlights the recent findings on the role of H2S in mitigating abnormal extracellular matrix metabolism in DN. A discussion on the development of the newer slow-releasing H2S compounds and its therapeutic potential is also included.
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Affiliation(s)
- Utpal Sen
- Department of Physiology, University of Louisville School of Medicine, Louisville, Kentucky
| | - Sathnur Pushpakumar
- Department of Physiology, University of Louisville School of Medicine, Louisville, Kentucky
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Syhr KM, Boosen M, Hohmann SW, Longen S, Köhler Y, Pfeilschifter J, Beck KF, Geisslinger G, Schmidtko A, Kallenborn-Gerhardt W. The H 2 S-producing enzyme CSE is dispensable for the processing of inflammatory and neuropathic pain. Brain Res 2015; 1624:380-389. [DOI: 10.1016/j.brainres.2015.07.058] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/20/2015] [Revised: 07/28/2015] [Accepted: 07/31/2015] [Indexed: 10/23/2022]
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