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Zhang H, Li Y, Fu Y, Jiao H, Wang X, Wang Q, Zhou M, Yong YC, Liu J. A structure-functionality insight into the bioactivity of microbial polysaccharides toward biomedical applications: A review. Carbohydr Polym 2024; 335:122078. [PMID: 38616098 DOI: 10.1016/j.carbpol.2024.122078] [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: 11/28/2023] [Revised: 03/16/2024] [Accepted: 03/18/2024] [Indexed: 04/16/2024]
Abstract
Microbial polysaccharides (MPs) are biopolymers secreted by microorganisms such as bacteria and fungi during their metabolic processes. Compared to polysaccharides derived from plants and animals, MPs have advantages such as wide sources, high production efficiency, and less susceptibility to natural environmental influences. The most attractive feature of MPs lies in their diverse biological activities, such as antioxidative, anti-tumor, antibacterial, and immunomodulatory activities, which have demonstrated immense potential for applications in functional foods, cosmetics, and biomedicine. These bioactivities are precisely regulated by their sophisticated molecular structure. However, the mechanisms underlying this precise regulation are not yet fully understood and continue to evolve. This article presents a comprehensive review of the most representative species of MPs, including their fermentation and purification processes and their biomedical applications in recent years. In particular, this work presents an in-depth analysis into the structure-activity relationships of MPs across multiple molecular levels. Additionally, this review discusses the challenges and prospects of investigating the structure-activity relationships, providing valuable insights into the broad and high-value utilization of MPs.
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Affiliation(s)
- Hongxing Zhang
- Biofuels Institute, School of Environment and Safety Engineering, c/o School of Emergency Management, Jiangsu University, Zhenjiang 212013, China
| | - Yan Li
- Biofuels Institute, School of Environment and Safety Engineering, c/o School of Emergency Management, Jiangsu University, Zhenjiang 212013, China
| | - Yinyi Fu
- Biofuels Institute, School of Environment and Safety Engineering, c/o School of Emergency Management, Jiangsu University, Zhenjiang 212013, China; Jiangsu Collaborative Innovation Center of Technology and Material of Water Treatment, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Haixin Jiao
- Biofuels Institute, School of Environment and Safety Engineering, c/o School of Emergency Management, Jiangsu University, Zhenjiang 212013, China
| | - Xiangyu Wang
- Biofuels Institute, School of Environment and Safety Engineering, c/o School of Emergency Management, Jiangsu University, Zhenjiang 212013, China
| | - Qianqian Wang
- Biofuels Institute, School of Environment and Safety Engineering, c/o School of Emergency Management, Jiangsu University, Zhenjiang 212013, China
| | - Mengbo Zhou
- Biofuels Institute, School of Environment and Safety Engineering, c/o School of Emergency Management, Jiangsu University, Zhenjiang 212013, China
| | - Yang-Chun Yong
- Biofuels Institute, School of Environment and Safety Engineering, c/o School of Emergency Management, Jiangsu University, Zhenjiang 212013, China; Jiangsu Collaborative Innovation Center of Technology and Material of Water Treatment, Suzhou University of Science and Technology, Suzhou 215009, China
| | - Jun Liu
- Biofuels Institute, School of Environment and Safety Engineering, c/o School of Emergency Management, Jiangsu University, Zhenjiang 212013, China; Jiangsu Collaborative Innovation Center of Technology and Material of Water Treatment, Suzhou University of Science and Technology, Suzhou 215009, China.
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2
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Zhang C, Huang Q, Ford NC, Limjunyawong N, Lin Q, Yang F, Cui X, Uniyal A, Liu J, Mahabole M, He H, Wang XW, Duff I, Wang Y, Wan J, Zhu G, Raja SN, Jia H, Yang D, Dong X, Tseng SC, He SQ, Guan Y. Human birth tissue products as a regenerative medicine to inhibit post-surgical pain through multi-modal action. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.05.19.594874. [PMID: 38826432 PMCID: PMC11142121 DOI: 10.1101/2024.05.19.594874] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/04/2024]
Abstract
Pain after surgery causes significant suffering. Opioid analgesics cause severe side effects and accidental death. Therefore, there is an urgent need to develop non-opioid therapies for managing post-surgical pain and, more importantly, preventing its transition to a chronic state. In a mouse model of post-surgical pain, local application of Clarix Flo (FLO), a human amniotic membrane (AM) product, attenuated established post-surgical pain hypersensitivity without exhibiting known side effects of opioid use in mice. Importantly, preemptive drug treatment also inhibited the transition of post-surgical pain to a prolonged state. This effect was achieved through direct inhibition of nociceptive dorsal root ganglion (DRG) neurons via CD44-dependent pathways, and indirect pain relief by attenuating immune cell recruitment. We further purified the major matrix component, the heavy chain-hyaluronic acid/pentraxin 3 (HC-HA/PTX3) from human AM that has greater purity and water solubility than FLO. HC-HA/PTX3 replicated FLO-induced neuronal and pain inhibition. Mechanistically, HC-HA/PTX3 induced cytoskeleton rearrangements to inhibit sodium current and high-voltage activated calcium current on nociceptive neurons, suggesting it is a key bioactive component mediating pain relief. Collectively, our findings highlight the potential of naturally derived biologics from human birth tissues as an effective non-opioid treatment for post-surgical pain and unravel the underlying mechanisms.
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Affiliation(s)
- Chi Zhang
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University, School of Medicine, Baltimore, Maryland, 21205, USA
| | - Qian Huang
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University, School of Medicine, Baltimore, Maryland, 21205, USA
| | - Neil C. Ford
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University, School of Medicine, Baltimore, Maryland, 21205, USA
| | - Nathachit Limjunyawong
- The Solomon H. Snyder Department of Neuroscience, Center for Sensory Biology, Johns Hopkins University, School of Medicine, Baltimore, Maryland, 21205, USA
| | - Qing Lin
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University, School of Medicine, Baltimore, Maryland, 21205, USA
| | - Fei Yang
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University, School of Medicine, Baltimore, Maryland, 21205, USA
| | - Xiang Cui
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University, School of Medicine, Baltimore, Maryland, 21205, USA
| | - Ankit Uniyal
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University, School of Medicine, Baltimore, Maryland, 21205, USA
| | - Jing Liu
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University, School of Medicine, Baltimore, Maryland, 21205, USA
| | | | - Hua He
- BioTissue, Inc., Miami, Florida, USA
| | - Xue-Wei Wang
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University, School of Medicine, Baltimore, Maryland, 21205, USA
- Department of Orthopedics, Johns Hopkins University, School of Medicine, Baltimore, Maryland, 21205, USA
| | - Irina Duff
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University, School of Medicine, Baltimore, Maryland, 21205, USA
| | - Yiru Wang
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University, School of Medicine, Baltimore, Maryland, 21205, USA
| | - Jieru Wan
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University, School of Medicine, Baltimore, Maryland, 21205, USA
| | - Guangwu Zhu
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University, School of Medicine, Baltimore, Maryland, 21205, USA
| | - Srinivasa N Raja
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University, School of Medicine, Baltimore, Maryland, 21205, USA
| | - Hongpeng Jia
- Department of Surgery, Johns Hopkins University, School of Medicine, Baltimore, Maryland, 21205, USA
| | - Dazhi Yang
- Acrogenic Technologies Inc., Rockville, Maryland, 20847, USA
| | - Xinzhong Dong
- The Solomon H. Snyder Department of Neuroscience, Center for Sensory Biology, Johns Hopkins University, School of Medicine, Baltimore, Maryland, 21205, USA
- Howard Hughes Medical Institute, Johns Hopkins University, School of Medicine, Baltimore, Maryland, 21205, USA
| | | | - Shao-Qiu He
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University, School of Medicine, Baltimore, Maryland, 21205, USA
| | - Yun Guan
- Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University, School of Medicine, Baltimore, Maryland, 21205, USA
- Department of Neurological Surgery, Johns Hopkins University, School of Medicine, Baltimore, Maryland, 21205, USA
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3
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Lagunas-Rangel FA. Naked mole-rat hyaluronan. Biochimie 2024; 220:58-66. [PMID: 38158036 DOI: 10.1016/j.biochi.2023.12.008] [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: 09/28/2023] [Revised: 12/21/2023] [Accepted: 12/22/2023] [Indexed: 01/03/2024]
Abstract
Naked mole rats (NMRs) are renowned for their exceptional longevity and remarkable maintenance of health throughout their lifetime. Their subterranean lifestyle has led to adaptations that have resulted in elevated levels of a very high molecular weight hyaluronan in their tissues. Hyaluronan, a glycosaminoglycan, is a key component of the extracellular matrix, which plays a critical role in maintaining tissue structure and regulating cell signaling pathways. This phenomenon in NMRs is attributed to a higher processing and production capacity by some of their hyaluronan synthases, along with lower degradation by certain hyaluronidases. Furthermore, this adaptation indirectly confers several advantages to NMRs, such as the preservation of skin elasticity and youthful appearance, accelerated wound healing, protection against oxidative stress, and resistance to conditions such as cancer and arthritis, largely attributable to CD44 signaling and other intricate mechanisms. Thus, the main objective of this study was to conduct a comprehensive study of the distinctive features of NMR hyaluronan, particularly emphasizing the currently known molecular mechanisms that contribute to its beneficial properties. Furthermore, this research delves into the potential applications of NMR hyaluronan in both cosmetic and therapeutic fields, as well as the challenges involved.
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Affiliation(s)
- Francisco Alejandro Lagunas-Rangel
- Department of Genetics and Molecular Biology, Centro de Investigación y de Estudios Avanzados Del Instituto Politécnico Nacional, Mexico City, Mexico.
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4
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Elhiss S, Hamdi A, Chahed L, Boisson-Vidal C, Majdoub H, Bouchemal N, Laschet J, Kraiem J, Le Cerf D, Maaroufi RM, Chaubet F, Ben Mansour M. Hyaluronic acid from bluefin tuna by-product: Structural analysis and pharmacological activities. Int J Biol Macromol 2024; 264:130424. [PMID: 38428772 DOI: 10.1016/j.ijbiomac.2024.130424] [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: 08/26/2023] [Revised: 01/15/2024] [Accepted: 02/22/2024] [Indexed: 03/03/2024]
Abstract
The fishing and aquaculture industries generate a huge amount of waste during processing and preservation operations, especially those of tuna. Recovering these by-products is a major economic and environmental challenge for manufacturers seeking to produce new active biomolecules of interest. A new hyaluronic acid was extracted from bluefin tuna's vitreous humour to assess its antioxidant and pharmacological activities. The characterization by infrared spectroscopy (FT-IR), nuclear magnetic resonance ((1D1H) and 2D (1H COSY, 1H/13C HSQC)) and size exclusion chromatography (SEC/MALS/DRI/VD) revealed that the extracted polysaccharide was a hyaluronic acid with high uronic acid content (55.8 %) and a weight average molecular weight of 888 kDa. This polymer possesses significant anti-radical activity and ferrous chelating capacity. In addition, pharmacological evaluation of its anti-inflammatory and analgesic potential, using preclinical models, in comparison with reference drugs (Dexamethasone, diclofenac, and acetylsalicylate of lysine), revealed promising anti-inflammatory activity as well as interesting peripheral and central antinociceptive activity. Therefore, our new hyaluronic acid compound may therefore serve as a potential drug candidate for the treatment of pain sensation and inflammation of various pathological origins.
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Affiliation(s)
- Sawsen Elhiss
- Laboratoire de Génétique, Biodiversité et Valorisation des Bioressources (LR11ES41), University of Monastir, Tunisia
| | - Assia Hamdi
- Laboratory of Chemical, Galenic and Pharmacological Development of Drugs, Faculty of Pharmacy, Monastir 5000, Tunisia
| | - Latifa Chahed
- Laboratoire de Génétique, Biodiversité et Valorisation des Bioressources (LR11ES41), University of Monastir, Tunisia
| | | | - Hatem Majdoub
- Laboratory of Interfaces and Advanced Materials, Faculty of Sciences of Monastir, University of Monastir, Monastir, Tunisia
| | - Nadia Bouchemal
- Université Sorbonne Paris Nord, CNRS, CSPBAT, F-93000 Bobigny, France
| | - Jamila Laschet
- Université Sorbonne Paris Nord, INSERM, LVTS, F-75018 Paris, France
| | - Jamil Kraiem
- Laboratory of Chemical, Galenic and Pharmacological Development of Drugs, Faculty of Pharmacy, Monastir 5000, Tunisia
| | - Didier Le Cerf
- Université Rouen Normandie, INSA Rouen Normandie, CNRS, Normandie Univ, PBS UMR 6270, 76000 Rouen, France
| | - Raoui Mounir Maaroufi
- Laboratoire de Génétique, Biodiversité et Valorisation des Bioressources (LR11ES41), University of Monastir, Tunisia
| | - Frédéric Chaubet
- Université Sorbonne Paris Nord, INSERM, LVTS, F-75018 Paris, France; Université Sorbonne Paris Nord, INSERM, LVTS, Institut Galilée, F-93430 Villetaneuse, France
| | - Mohamed Ben Mansour
- Laboratoire de Génétique, Biodiversité et Valorisation des Bioressources (LR11ES41), University of Monastir, Tunisia.
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Araldi D, Khomula EV, Bonet IJM, Bogen O, Green PG, Levine JD. Role of pattern recognition receptors in chemotherapy-induced neuropathic pain. Brain 2024; 147:1025-1042. [PMID: 37787114 PMCID: PMC10907096 DOI: 10.1093/brain/awad339] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2023] [Revised: 07/25/2023] [Accepted: 09/12/2023] [Indexed: 10/04/2023] Open
Abstract
Progress in the development of effective chemotherapy is producing a growing population of patients with acute and chronic painful chemotherapy-induced peripheral neuropathy (CIPN), a serious treatment-limiting side effect for which there is currently no US Food and Drug Administration-approved treatment. CIPNs induced by diverse classes of chemotherapy drugs have remarkably similar clinical presentations, leading to the suggestion they share underlying mechanisms. Sensory neurons share with immune cells the ability to detect damage associated molecular patterns (DAMPs), molecules produced by diverse cell types in response to cellular stress and injury, including by chemotherapy drugs. DAMPs, in turn, are ligands for pattern recognition receptors (PRRs), several of which are found on sensory neurons, as well as satellite cells, and cells of the immune system. In the present experiments, we evaluated the role of two PRRs, TLR4 and RAGE, present in dorsal root ganglion (DRG), in CIPN. Antisense (AS)-oligodeoxynucleotides (ODN) against TLR4 and RAGE mRNA were administered intrathecally before ('prevention protocol') or 3 days after ('reversal protocol') the last administration of each of three chemotherapy drugs that treat cancer by different mechanisms (oxaliplatin, paclitaxel and bortezomib). TLR4 and RAGE AS-ODN prevented the development of CIPN induced by all three chemotherapy drugs. In the reversal protocol, however, while TLR4 AS-ODN completely reversed oxaliplatin- and paclitaxel-induced CIPN, in rats with bortezomib-induced CIPN it only produced a temporary attenuation. RAGE AS-ODN, in contrast, reversed CIPN induced by all three chemotherapy drugs. When a TLR4 antagonist was administered intradermally to the peripheral nociceptor terminal, it did not affect CIPN induced by any of the chemotherapy drugs. However, when administered intrathecally, to the central terminal, it attenuated hyperalgesia induced by all three chemotherapy drugs, compatible with a role of TLR4 in neurotransmission at the central terminal but not sensory transduction at the peripheral terminal. Finally, since it has been established that cultured DRG neurons can be used to study direct effects of chemotherapy on nociceptors, we also evaluated the role of TLR4 in CIPN at the cellular level, using patch-clamp electrophysiology in DRG neurons cultured from control and chemotherapy-treated rats. We found that increased excitability of small-diameter DRG neurons induced by in vivo and in vitro exposure to oxaliplatin is TLR4-dependent. Our findings suggest that in addition to the established contribution of PRR-dependent neuroimmune mechanisms, PRRs in DRG cells also have an important role in CIPN.
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Affiliation(s)
- Dionéia Araldi
- Department of Oral and Maxillofacial Surgery, UCSF Pain and Addiction Research Center, University of California at San Francisco, San Francisco, CA 94143, USA
| | - Eugen V Khomula
- Department of Oral and Maxillofacial Surgery, UCSF Pain and Addiction Research Center, University of California at San Francisco, San Francisco, CA 94143, USA
| | - Ivan J M Bonet
- Department of Oral and Maxillofacial Surgery, UCSF Pain and Addiction Research Center, University of California at San Francisco, San Francisco, CA 94143, USA
| | - Oliver Bogen
- Department of Oral and Maxillofacial Surgery, UCSF Pain and Addiction Research Center, University of California at San Francisco, San Francisco, CA 94143, USA
| | - Paul G Green
- Department of Oral and Maxillofacial Surgery, UCSF Pain and Addiction Research Center, University of California at San Francisco, San Francisco, CA 94143, USA
- Department of Preventative and Restorative Dental Sciences, Division of Neuroscience, University of California at San Francisco, San Francisco, CA 94143, USA
| | - Jon D Levine
- Department of Oral and Maxillofacial Surgery, UCSF Pain and Addiction Research Center, University of California at San Francisco, San Francisco, CA 94143, USA
- Department of Medicine, Division of Neuroscience, University of California at San Francisco, San Francisco, CA 94143, USA
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6
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Khomula EV, Araldi D, Green PG, Levine JD. Sensitization of human and rat nociceptors by low dose morphine is toll-like receptor 4-dependent. Mol Pain 2024; 20:17448069241227922. [PMID: 38195088 PMCID: PMC10851754 DOI: 10.1177/17448069241227922] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/23/2023] [Accepted: 01/06/2024] [Indexed: 01/11/2024] Open
Abstract
While opioids remain amongst the most effective treatments for moderate-to-severe pain, their substantial side effect profile remains a major limitation to broader clinical use. One such side effect is opioid-induced hyperalgesia (OIH), which includes a transition from opioid-induced analgesia to pain enhancement. Evidence in rodents supports the suggestion that OIH may be produced by the action of opioids at Toll-like Receptor 4 (TLR4) either on immune cells that, in turn, produce pronociceptive mediators to act on nociceptors, or by a direct action at nociceptor TLR4. And, sub-analgesic doses of several opioids have been shown to induce hyperalgesia in rodents by their action as TLR4 agonists. In the present in vitro patch-clamp electrophysiology experiments, we demonstrate that low dose morphine directly sensitizes human as well as rodent dorsal root ganglion (DRG) neurons, an effect of this opioid analgesic that is antagonized by LPS-RS Ultrapure, a selective TLR4 antagonist. We found that low concentration (100 nM) of morphine reduced rheobase in human (by 36%) and rat (by 26%) putative C-type nociceptors, an effect of morphine that was markedly attenuated by preincubation with LPS-RS Ultrapure. Our findings support the suggestion that in humans, as in rodents, OIH is mediated by the direct action of opioids at TLR4 on nociceptors.
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Affiliation(s)
- Eugen V Khomula
- Department of Oral & Maxillofacial Surgery, University of California at San Francisco, San Francisco, CA, USA
| | - Dionéia Araldi
- Department of Oral & Maxillofacial Surgery, University of California at San Francisco, San Francisco, CA, USA
| | - Paul G Green
- Department of Oral & Maxillofacial Surgery, University of California at San Francisco, San Francisco, CA, USA
- Department of Preventative & Restorative Dental Sciences, and Division of Neuroscience, University of California at San Francisco, San Francisco, CA, USA
| | - Jon D Levine
- Department of Oral & Maxillofacial Surgery, University of California at San Francisco, San Francisco, CA, USA
- Department of Medicine, Division of Neuroscience, and UCSF Pain and Addiction Research Center, University of California at San Francisco, San Francisco, CA, USA
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7
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Khomula EV, Levine JD. Sensitization of Human and Rat Nociceptors by Low Dose Morphine is TLR4-dependent. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.12.19.572472. [PMID: 38187676 PMCID: PMC10769211 DOI: 10.1101/2023.12.19.572472] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2024]
Abstract
While opioids remain amongst the most effective treatments for moderate-to-severe pain, their substantial side effect profile remains a major limitation to broader clinical use. One such side effect is opioid-induced hyperalgesia (OIH), which includes a transition from opioid-induced analgesia to pain enhancement. Evidence in rodents supports the suggestion that OIH may be produced by the action of opioids at Toll-like Receptor 4 (TLR4) either on immune cells that, in turn, produce pronociceptive mediators to act on nociceptors, or by a direct action at nociceptor TLR4. And, sub-analgesic doses of several opioids have been shown to induce hyperalgesia in rodents by their action as TLR4 agonists. In the present in vitro patch-clamp electrophysiology experiments, we demonstrate that low dose morphine directly sensitizes human as well as rodent dorsal root ganglion (DRG) neurons, an effect of this opioid analgesic that is antagonized by LPS-RS Ultrapure, a selective TLR4 antagonist. We found that morphine (100 nM) reduced rheobase in human (by 36%) and rat (by 26%) putative C-type nociceptors, an effect of morphine that was markedly attenuated by preincubation with LPS-RS Ultrapure. Our findings support the suggestion that in humans, as well as in rodents, OIH is mediated by the direct action of opioids at TLR4 on nociceptors.
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Zhao Y, Zheng Z, Zhang Z, Xu Y, Hillpot E, Lin YS, Zakusilo FT, Lu JY, Ablaeva J, Biashad SA, Miller RA, Nevo E, Seluanov A, Gorbunova V. Evolution of high-molecular-mass hyaluronic acid is associated with subterranean lifestyle. Nat Commun 2023; 14:8054. [PMID: 38052795 PMCID: PMC10698142 DOI: 10.1038/s41467-023-43623-2] [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: 11/03/2022] [Accepted: 11/15/2023] [Indexed: 12/07/2023] Open
Abstract
Hyaluronic acid is a major component of extracellular matrix which plays an important role in development, cellular response to injury and inflammation, cell migration, and cancer. The naked mole-rat (Heterocephalus glaber) contains abundant high-molecular-mass hyaluronic acid in its tissues, which contributes to this species' cancer resistance and possibly to its longevity. Here we report that abundant high-molecular-mass hyaluronic acid is found in a wide range of subterranean mammalian species, but not in phylogenetically related aboveground species. These subterranean mammalian species accumulate abundant high-molecular-mass hyaluronic acid by regulating the expression of genes involved in hyaluronic acid degradation and synthesis and contain unique mutations in these genes. The abundant high-molecular-mass hyaluronic acid may benefit the adaptation to subterranean environment by increasing skin elasticity and protecting from oxidative stress due to hypoxic conditions. Our work suggests that high-molecular-mass hyaluronic acid has evolved with subterranean lifestyle.
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Affiliation(s)
- Yang Zhao
- Department of Biology, University of Rochester, Rochester, NY, 14627, USA
- Department of Physiology and Department of Hepatobiliary and Pancreatic Surgery of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 301158, China
| | - Zhizhong Zheng
- Department of Biology, University of Rochester, Rochester, NY, 14627, USA
| | - Zhihui Zhang
- Department of Biology, University of Rochester, Rochester, NY, 14627, USA
| | - Yandong Xu
- Department of Physiology and Department of Hepatobiliary and Pancreatic Surgery of the First Affiliated Hospital, Zhejiang University School of Medicine, Hangzhou, 301158, China
| | - Eric Hillpot
- Department of Biology, University of Rochester, Rochester, NY, 14627, USA
| | - Yifei S Lin
- Department of Biology, University of Rochester, Rochester, NY, 14627, USA
| | - Frances T Zakusilo
- Department of Biology, University of Rochester, Rochester, NY, 14627, USA
| | - J Yuyang Lu
- Department of Biology, University of Rochester, Rochester, NY, 14627, USA
| | - Julia Ablaeva
- Department of Biology, University of Rochester, Rochester, NY, 14627, USA
| | - Seyed Ali Biashad
- Department of Biology, University of Rochester, Rochester, NY, 14627, USA
| | - Richard A Miller
- Department of Pathology, University of Michigan Medical School, Ann Arbor, MI, 48109, USA
| | - Eviatar Nevo
- Institute of Evolution, University of Haifa, Haifa, 3498838, Israel
| | - Andrei Seluanov
- Department of Biology, University of Rochester, Rochester, NY, 14627, USA.
- Department of Medicine, University of Rochester School of Medicine, Rochester, NY, 14627, USA.
| | - Vera Gorbunova
- Department of Biology, University of Rochester, Rochester, NY, 14627, USA.
- Department of Medicine, University of Rochester School of Medicine, Rochester, NY, 14627, USA.
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Bonet IJM, Araldi D, Green PG, Levine JD. Topical coapplication of hyaluronan with transdermal drug delivery enhancers attenuates inflammatory and neuropathic pain. Pain 2023; 164:2653-2664. [PMID: 37467181 PMCID: PMC10794581 DOI: 10.1097/j.pain.0000000000002993] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 05/16/2023] [Indexed: 07/21/2023]
Abstract
ABSTRACT We have previously shown that intradermal injection of high-molecular-weight hyaluronan (500-1200 kDa) produces localized antihyperalgesia in preclinical models of inflammatory and neuropathic pain. In the present experiments, we studied the therapeutic effect of topical hyaluronan, when combined with each of 3 transdermal drug delivery enhancers (dimethyl sulfoxide [DMSO], protamine or terpene), in preclinical models of inflammatory and neuropathic pain. Topical application of 500 to 1200 kDa hyaluronan (the molecular weight range used in our previous studies employing intradermal administration), dissolved in 75% DMSO in saline, markedly reduced prostaglandin E 2 (PGE 2 ) hyperalgesia, in male and female rats. Although topical 500- to 1200-kDa hyaluronan in DMSO vehicle dose dependently, also markedly, attenuated oxaliplatin chemotherapy-and paclitaxel chemotherapy-induced painful peripheral neuropathy (CIPN) in male rats, it lacked efficacy in female rats. However, following ovariectomy or intrathecal administration of an oligodeoxynucleotide antisense to G-protein-coupled estrogen receptor (GPR30) mRNA, CIPN in female rats was now attenuated by topical hyaluronan. Although topical coadministration of 150 to 300, 300 to 500, or 1500 to 1750 kDa hyaluronan with DMSO also attenuated CIPN, a slightly lower-molecular-weight hyaluronan (70-120 kDa) did not. The topical administration of a combination of hyaluronan with 2 other transdermal drug delivery enhancers, protamine and terpene, also attenuated CIPN hyperalgesia, an effect that was more prolonged than with DMSO vehicle. Repeated administration of topical hyaluronan prolonged the duration of antihyperalgesia. Our results support the use of topical hyaluronan, combined with chemically diverse nontoxic skin penetration enhancers, to induce marked antihyperalgesia in preclinical models of inflammatory and neuropathic pain.
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Affiliation(s)
- Ivan J. M. Bonet
- Department of Oral & Maxillofacial Surgery, and Division of Neuroscience, University of California at San Francisco, 513 Parnassus Avenue, San Francisco, CA 94143, USA
| | - Dionéia Araldi
- Department of Oral & Maxillofacial Surgery, and Division of Neuroscience, University of California at San Francisco, 513 Parnassus Avenue, San Francisco, CA 94143, USA
| | - Paul G. Green
- Department of Oral & Maxillofacial Surgery, and Division of Neuroscience, University of California at San Francisco, 513 Parnassus Avenue, San Francisco, CA 94143, USA
- Departments of Preventative & Restorative Dental Sciences and Oral & Maxillofacial Surgery, and Division of Neuroscience, University of California at San Francisco, 513 Parnassus Avenue, San Francisco, CA 94143, USA
| | - Jon D. Levine
- Department of Oral & Maxillofacial Surgery, and Division of Neuroscience, University of California at San Francisco, 513 Parnassus Avenue, San Francisco, CA 94143, USA
- Departments of Medicine and Oral & Maxillofacial Surgery, and Division of Neuroscience, UCSF Pain and Addiction Research Center, University of California at San Francisco, 513 Parnassus Avenue, San Francisco, CA 94143, USA
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10
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Queme LF. A novel potential strategy for the treatment of inflammatory and neuropathic pain. Pain 2023; 164:2625-2626. [PMID: 37967243 PMCID: PMC10652025 DOI: 10.1097/j.pain.0000000000003007] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/30/2023] [Accepted: 06/05/2023] [Indexed: 11/17/2023]
Affiliation(s)
- Luis F Queme
- Department of Biomedical Sciences. University of New England College of Osteopathic Medicine, 11 Hills Beach Road, Biddeford, ME 04005, USA
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11
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Vroman R, Hunter RS, Wood MJ, Davis OC, Malfait Z, George DS, Ren D, Tavares-Ferreira D, Price TJ, Miller RJ, Malfait AM, Malfait F, Miller RE, Syx D. Analysis of matrisome expression patterns in murine and human dorsal root ganglia. Front Mol Neurosci 2023; 16:1232447. [PMID: 37664243 PMCID: PMC10471487 DOI: 10.3389/fnmol.2023.1232447] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Accepted: 07/27/2023] [Indexed: 09/05/2023] Open
Abstract
The extracellular matrix (ECM) is a dynamic structure of molecules that can be divided into six different categories and are collectively called the matrisome. The ECM plays pivotal roles in physiological processes in many tissues, including the nervous system. Intriguingly, alterations in ECM molecules/pathways are associated with painful human conditions and murine pain models. Nevertheless, mechanistic insight into the interplay of normal or defective ECM and pain is largely lacking. The goal of this study was to integrate bulk, single-cell, and spatial RNA sequencing (RNAseq) datasets to investigate the expression and cellular origin of matrisome genes in male and female murine and human dorsal root ganglia (DRG). Bulk RNAseq showed that about 65% of all matrisome genes were expressed in both murine and human DRG, with proportionally more core matrisome genes (glycoproteins, collagens, and proteoglycans) expressed compared to matrisome-associated genes (ECM-affiliated genes, ECM regulators, and secreted factors). Single cell RNAseq on male murine DRG revealed the cellular origin of matrisome expression. Core matrisome genes, especially collagens, were expressed by fibroblasts whereas matrisome-associated genes were primarily expressed by neurons. Cell-cell communication network analysis with CellChat software predicted an important role for collagen signaling pathways in connecting vascular cell types and nociceptors in murine tissue, which we confirmed by analysis of spatial transcriptomic data from human DRG. RNAscope in situ hybridization and immunohistochemistry demonstrated expression of collagens in fibroblasts surrounding nociceptors in male and female human DRG. Finally, comparing human neuropathic pain samples with non-pain samples also showed differential expression of matrisome genes produced by both fibroblasts and by nociceptors. This study supports the idea that the DRG matrisome may contribute to neuronal signaling in both mouse and human, and that dysregulation of matrisome genes is associated with neuropathic pain.
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Affiliation(s)
- Robin Vroman
- Department of Biomolecular Medicine, Center for Medical Genetics, Ghent University, Ghent, Belgium
| | - Rahel S. Hunter
- Department of Internal Medicine, Division of Rheumatology, Rush University Medical Center, Chicago, IL, United States
| | - Matthew J. Wood
- Department of Internal Medicine, Division of Rheumatology, Rush University Medical Center, Chicago, IL, United States
| | - Olivia C. Davis
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX, United States
| | - Zoë Malfait
- Department of Biomolecular Medicine, Center for Medical Genetics, Ghent University, Ghent, Belgium
| | - Dale S. George
- Department of Neurology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Dongjun Ren
- Department of Pharmacology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Diana Tavares-Ferreira
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX, United States
| | - Theodore J. Price
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX, United States
| | - Richard J. Miller
- Department of Pharmacology, Feinberg School of Medicine, Northwestern University, Chicago, IL, United States
| | - Anne-Marie Malfait
- Department of Internal Medicine, Division of Rheumatology, Rush University Medical Center, Chicago, IL, United States
| | - Fransiska Malfait
- Department of Biomolecular Medicine, Center for Medical Genetics, Ghent University, Ghent, Belgium
| | - Rachel E. Miller
- Department of Internal Medicine, Division of Rheumatology, Rush University Medical Center, Chicago, IL, United States
| | - Delfien Syx
- Department of Biomolecular Medicine, Center for Medical Genetics, Ghent University, Ghent, Belgium
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12
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Cronin SJF, Andrews NA, Latremoliere A. Peripheralized sepiapterin reductase inhibition as a safe analgesic therapy. Front Pharmacol 2023; 14:1173599. [PMID: 37251335 PMCID: PMC10213231 DOI: 10.3389/fphar.2023.1173599] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/24/2023] [Accepted: 05/02/2023] [Indexed: 05/31/2023] Open
Abstract
The development of novel analgesics for chronic pain in the last 2 decades has proven virtually intractable, typically failing due to lack of efficacy and dose-limiting side effects. Identified through unbiased gene expression profiling experiments in rats and confirmed by human genome-wide association studies, the role of excessive tetrahydrobiopterin (BH4) in chronic pain has been validated by numerous clinical and preclinical studies. BH4 is an essential cofactor for aromatic amino acid hydroxylases, nitric oxide synthases, and alkylglycerol monooxygenase so a lack of BH4 leads to a range of symptoms in the periphery and central nervous system (CNS). An ideal therapeutic goal therefore would be to block excessive BH4 production, while preventing potential BH4 rundown. In this review, we make the case that sepiapterin reductase (SPR) inhibition restricted to the periphery (i.e., excluded from the spinal cord and brain), is an efficacious and safe target to alleviate chronic pain. First, we describe how different cell types that engage in BH4 overproduction and contribute to pain hypersensitivity, are themselves restricted to peripheral tissues and show their blockade is sufficient to alleviate pain. We discuss the likely safety profile of peripherally restricted SPR inhibition based on human genetic data, the biochemical alternate routes of BH4 production in various tissues and species, and the potential pitfalls to predictive translation when using rodents. Finally, we propose and discuss possible formulation and molecular strategies to achieve peripherally restricted, potent SPR inhibition to treat not only chronic pain but other conditions where excessive BH4 has been demonstrated to be pathological.
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Affiliation(s)
| | - Nick A. Andrews
- The Salk Institute for Biological Studies, La Jolla, CA, United States
| | - Alban Latremoliere
- Departments of Neurosurgery and Neuroscience, Johns Hopkins School of Medicine, Neurosurgery Pain Research Institute, Baltimore, MD, United States
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13
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Zhao Y, Zheng Z, Zhang Z, Hillpot E, Lin YS, Zakusilo FT, Lu JY, Ablaeva J, Miller RA, Nevo E, Seluanov A, Gorbunova V. Evolution of High-Molecular-Mass Hyaluronic Acid is Associated with Subterranean Lifestyle. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.05.08.539764. [PMID: 37215017 PMCID: PMC10197608 DOI: 10.1101/2023.05.08.539764] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/24/2023]
Abstract
Hyaluronic acid (HA) is a major component of extracellular matrix (ECM) which plays an important role in development, cellular response to injury and inflammation, cell migration, and cancer. The naked mole-rat (NMR, Heterocephalus glaber ) contains abundant high-molecular-mass HA (HMM-HA) in its tissues, which contributes to this species' cancer resistance and possibly longevity. Here we report that abundant HMM-HA is found in a wide range of subterranean mammalian species, but not in phylogenetically related aboveground species. These species accumulate abundant HMM-HA by regulating the expression of genes involved in HA degradation and synthesis and contain unique mutations in these genes. The abundant high molecular weight HA may benefit the adaptation to subterranean environment by increasing skin elasticity and protecting from oxidative stress due to hypoxic subterranean environment. HMM-HA may also be coopted to confer cancer resistance and longevity to subterranean mammals. Our work suggests that HMM-HA has evolved with subterranean lifestyle.
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14
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Shikina E, Kovalevsky R, Shirkovskaya A, Toukach P. Prospective bacterial and fungal sources of hyaluronic acid: A review. Comput Struct Biotechnol J 2022; 20:6214-6236. [PMID: 36420162 PMCID: PMC9676211 DOI: 10.1016/j.csbj.2022.11.013] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/04/2022] [Revised: 11/05/2022] [Accepted: 11/05/2022] [Indexed: 11/11/2022] Open
Abstract
The unique biological and rheological properties make hyaluronic acid a sought-after material for medicine and cosmetology. Due to very high purity requirements for hyaluronic acid in medical applications, the profitability of streptococcal fermentation is reduced. Production of hyaluronic acid by recombinant systems is considered a promising alternative. Variations in combinations of expressed genes and fermentation conditions alter the yield and molecular weight of produced hyaluronic acid. This review is devoted to the current state of hyaluronic acid production by recombinant bacterial and fungal organisms.
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15
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Keeler AB, Van Deusen AL, Gadani IC, Williams CM, Goggin SM, Hirt AK, Vradenburgh SA, Fread KI, Puleo EA, Jin L, Calhan OY, Deppmann CD, Zunder ER. A developmental atlas of somatosensory diversification and maturation in the dorsal root ganglia by single-cell mass cytometry. Nat Neurosci 2022; 25:1543-1558. [PMID: 36303068 PMCID: PMC10691656 DOI: 10.1038/s41593-022-01181-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2022] [Accepted: 09/08/2022] [Indexed: 01/13/2023]
Abstract
Precisely controlled development of the somatosensory system is essential for detecting pain, itch, temperature, mechanical touch and body position. To investigate the protein-level changes that occur during somatosensory development, we performed single-cell mass cytometry on dorsal root ganglia from C57/BL6 mice of both sexes, with litter replicates collected daily from embryonic day 11.5 to postnatal day 4. Measuring nearly 3 million cells, we quantified 30 molecularly distinct somatosensory glial and 41 distinct neuronal states across all timepoints. Analysis of differentiation trajectories revealed rare cells that co-express two or more Trk receptors and over-express stem cell markers, suggesting that these neurotrophic factor receptors play a role in cell fate specification. Comparison to previous RNA-based studies identified substantial differences between many protein-mRNA pairs, demonstrating the importance of protein-level measurements to identify functional cell states. Overall, this study demonstrates that mass cytometry is a high-throughput, scalable platform to rapidly phenotype somatosensory tissues.
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Affiliation(s)
- Austin B Keeler
- Department of Biology, College of Arts and Sciences, Charlottesville, VA, USA
| | - Amy L Van Deusen
- Department of Biology, College of Arts and Sciences, Charlottesville, VA, USA
- Neuroscience Graduate Program, School of Medicine, University of Virginia, Charlottesville, VA, USA
- Department of Biomedical Engineering, School of Engineering, University of Virginia, Charlottesville, VA, USA
| | - Irene C Gadani
- Department of Biology, College of Arts and Sciences, Charlottesville, VA, USA
- Neuroscience Graduate Program, School of Medicine, University of Virginia, Charlottesville, VA, USA
| | - Corey M Williams
- Department of Biomedical Engineering, School of Engineering, University of Virginia, Charlottesville, VA, USA
| | - Sarah M Goggin
- Neuroscience Graduate Program, School of Medicine, University of Virginia, Charlottesville, VA, USA
- Department of Biomedical Engineering, School of Engineering, University of Virginia, Charlottesville, VA, USA
| | - Ashley K Hirt
- Department of Biology, College of Arts and Sciences, Charlottesville, VA, USA
| | - Shayla A Vradenburgh
- Department of Biology, College of Arts and Sciences, Charlottesville, VA, USA
- Neuroscience Graduate Program, School of Medicine, University of Virginia, Charlottesville, VA, USA
| | - Kristen I Fread
- Department of Biomedical Engineering, School of Engineering, University of Virginia, Charlottesville, VA, USA
| | - Emily A Puleo
- Department of Biomedical Engineering, School of Engineering, University of Virginia, Charlottesville, VA, USA
| | - Lucy Jin
- Department of Biology, College of Arts and Sciences, Charlottesville, VA, USA
| | - O Yipkin Calhan
- Department of Biology, College of Arts and Sciences, Charlottesville, VA, USA
| | - Christopher D Deppmann
- Department of Biology, College of Arts and Sciences, Charlottesville, VA, USA.
- Department of Biomedical Engineering, School of Engineering, University of Virginia, Charlottesville, VA, USA.
- Department of Neuroscience, School of Medicine, University of Virginia, Charlottesville, VA, USA.
- Department of Cell Biology, School of Medicine, University of Virginia, Charlottesville, VA, USA.
- Program in Fundamental Neuroscience, College of Arts and Sciences, Charlottesville, VA, USA.
| | - Eli R Zunder
- Neuroscience Graduate Program, School of Medicine, University of Virginia, Charlottesville, VA, USA.
- Department of Biomedical Engineering, School of Engineering, University of Virginia, Charlottesville, VA, USA.
- Program in Fundamental Neuroscience, College of Arts and Sciences, Charlottesville, VA, USA.
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16
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Bonet IJM, Staurengo-Ferrari L, Araldi D, Green PG, Levine JD. Second messengers mediating high-molecular-weight hyaluronan-induced antihyperalgesia in rats with chemotherapy-induced peripheral neuropathy. Pain 2022; 163:1728-1739. [PMID: 34913881 PMCID: PMC9167889 DOI: 10.1097/j.pain.0000000000002558] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 11/26/2021] [Indexed: 11/26/2022]
Abstract
ABSTRACT High-molecular-weight hyaluronan (HMWH) is an agonist at cluster of differentiation (CD)44, the cognate hyaluronan receptor, on nociceptors, where it acts to induce antihyperalgesia in preclinical models of inflammatory and neuropathic pain. In the present experiments, we studied the CD44 second messengers that mediate HMWH-induced attenuation of pain associated with oxaliplatin and paclitaxel chemotherapy-induced peripheral neuropathy (CIPN). While HMWH attenuated CIPN only in male rats, after ovariectomy or intrathecal administration of an oligodeoxynucleotide (ODN) antisense to G protein-coupled estrogen receptor (GPR30) mRNA, female rats were also sensitive to HMWH. Intrathecal administration of an ODN antisense to CD44 mRNA markedly attenuated HMWH-induced antihyperalgesia in male rats with CIPN induced by oxaliplatin or paclitaxel. Intradermal administration of inhibitors of CD44 second messengers, RhoA (member of the Rho family of GTPases), phospholipase C, and phosphatidylinositol (PI) 3-kinase gamma (PI3Kγ), attenuated HMWH-induced antihyperalgesia as does intrathecal administration of an ODN antisense to PI3Kγ. Our results demonstrated that HMWH induced antihyperalgesia in CIPN, mediated by its action at CD44 and downstream signaling by RhoA, phospholipase C, and PI3Kγ.
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Affiliation(s)
- Ivan J. M. Bonet
- Department of Oral & Maxillofacial Surgery, and Division of Neuroscience, University of California at San Francisco, 513 Parnassus Avenue, San Francisco, CA 94143, USA
| | - Larissa Staurengo-Ferrari
- Department of Oral & Maxillofacial Surgery, and Division of Neuroscience, University of California at San Francisco, 513 Parnassus Avenue, San Francisco, CA 94143, USA
| | - Dionéia Araldi
- Department of Oral & Maxillofacial Surgery, and Division of Neuroscience, University of California at San Francisco, 513 Parnassus Avenue, San Francisco, CA 94143, USA
| | - Paul G. Green
- Department of Oral & Maxillofacial Surgery, and Division of Neuroscience, University of California at San Francisco, 513 Parnassus Avenue, San Francisco, CA 94143, USA
- Departments of Preventative & Restorative Dental Sciences and Oral & Maxillofacial Surgery, and Division of Neuroscience, University of California at San Francisco, 513 Parnassus Avenue, San Francisco, CA 94143, USA
| | - Jon D. Levine
- Department of Oral & Maxillofacial Surgery, and Division of Neuroscience, University of California at San Francisco, 513 Parnassus Avenue, San Francisco, CA 94143, USA
- Departments of Medicine and Oral & Maxillofacial Surgery, and Division of Neuroscience, UCSF Pain and Addiction Research Center, University of California at San Francisco, 513 Parnassus Avenue, San Francisco, CA 94143, USA
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17
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Hunt C, Provenzano DA, Eshraghi Y, Mittal N, Souza D, Buchheit T. Should intra-articular hyaluronic acid be used routinely for knee osteoarthritis pain? PM R 2022; 14:879-885. [PMID: 34837674 PMCID: PMC9970143 DOI: 10.1002/pmrj.12740] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/17/2021] [Revised: 10/13/2021] [Accepted: 11/11/2021] [Indexed: 11/08/2022]
Affiliation(s)
- Christine Hunt
- Department of Pain Medicine, Mayo Clinic, Jacksonville, FL, USA 32224
| | | | - Yashar Eshraghi
- Louisiana State University School of Medicine, New Orleans, Louisiana, USA 70112,Department of Anesthesia, Interventional Pain Management, Ochsner Health System, University of Queensland Ochsner Clinical School, New Orleans, Louisiana, USA 70115
| | - Nimish Mittal
- Division of Physical Medicine and Rehabilitation, Department of Medicine, University of Toronto, Toronto, Ontario, Canada,Department of Anaesthesiology and Pain Medicine, University of Toronto, Toronto, Ontario, Canada,Faculty of Kinesiology and Physical Education, University of Toronto, Toronto, Ontario, Canada
| | - Dmitri Souza
- Center for Pain Medicine, Western Reserve Hospital, Cuyahoga Falls, Ohio, USA 44233
| | - Thomas Buchheit
- Center for Translational Pain Medicine, Department of Anesthesiology, Duke University Medical Center, Durham, North Carolina, USA 27710,Anesthesiology Service, Durham Veterans Affairs Health Care System, Durham, North Carolina, USA 27705
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18
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Alsheikh O, Alzaaidi S, Vargas JM, Al-Sharif E, Alrajeh M, AlSemari MA, Alhommadi A, Alsaati A, Aljwaiser N, Alshahwan E, Abdulhafiz M, Elsayed R, Müller-Lierheim WGK. Effectiveness of 0.15% hylan A eye drops in ameliorating symptoms of severe dry eye patients in Saudi Arabia. Saudi J Ophthalmol 2022; 35:293-298. [PMID: 35814996 PMCID: PMC9266482 DOI: 10.4103/sjopt.sjopt_218_21] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2021] [Revised: 03/02/2022] [Accepted: 04/04/2022] [Indexed: 11/23/2022] Open
Abstract
PURPOSE The aim of the HYLAN A study was to investigate if symptoms and/or signs of patients suffering from severe dry eye disease (DED) in Saudi Arabia can be improved by substituting individually optimized artificial tear therapy by high molecular weight hyaluronan (HMWHA) eye drops. METHODS The HYLAN M study, a multicenter prospective randomized open-label study, was performed in 11 centers in eight countries. Patients suffering from severe DED were electronically randomized in two parallel arms. patients with symptoms of at least ocular surface disease index (OSDI) 33 and corneal fluorescein staining (CFS) of at least Oxford grade 3 were included . The patients in the control group continued with their individual optimized therapy as by the time of inclusion. The patients in the hylan A group replaced their individual lubricant eye drops by preservative-free eye drops containing 0.15% hylan A. The total OSDI scores as well as the OSDI subscores for pain and for visual disturbances of each patient at baseline, at 4 weeks, and at 8 weeks of treatment was used to analyse the improvement of symptoms. We focus and report the results obtained at the two study centers in Riyadh ,Saudi Arabia (King Khaled Eye Specialist Hospital and Riyadh Military Hospital). RESULTS A total of 13 patients were included in the study. The majority of the study participants were middle aged (40-65 years). Overall, female patients accounted for 76.9% of all study participants. At the initiation of the study, both hylan A and control groups had relatively similar total OSDI scores together with pain and vision subscores. At 4-week follow-up, both groups demonstrated a noticeable decrease in all study variables. Nevertheless, the OSDI scores improved significantly in the group of patients treated with hylan A eye drops at 8 weeks, whereas the scores increased in the control group. CONCLUSION Saudi Arabia has a very high prevalence of patients with severe dry eye disease. Ethnicity, climate, and a high incidence of diabetes mellitus may contribute to this situation. Lubricant eye drops frequently do not provide adequate relief from ocular pain and instable vision in severe chronic ocular surface disease. High molecular weight hyaluronan (HMWHA) eye drops provide superior relief of symptoms of patients suffering from severe DED. This includes ocular pain as well as unstable vision.
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Affiliation(s)
- Osama Alsheikh
- Oculoplastics and Orbit Division, King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia,Address for correspondence: Dr. Osama Alsheikh, Oculoplastics and Orbit Division, King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia. E-mail:
| | - Sultan Alzaaidi
- Department of Ophthalmology, Prince Sultan Military Medical City, Riyadh, Saudi Arabia,Department of Medical Services, Ministry of Defense and Aviation, King Abdullah Bin Abdulaziz University Hospital, Riyadh, Saudi Arabia
| | - Jose M. Vargas
- Oculoplastics and Orbit Division, King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia,Department of Ophthalmology, King Abdullah Bin Abdulaziz University Hospital, Riyadh, Saudi Arabia
| | - Eman Al-Sharif
- Oculoplastics and Orbit Division, King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia,Department of Ophthalmology, College of Medicine, Princess Nourah Bint Abdulrahman University, Riyadh, Saudi Arabia
| | - Mohammed Alrajeh
- Department of Surgery, Ophthalmology Division, King Abdulaziz Medical City, Riyadh, Saudi Arabia
| | - Mohammad A. AlSemari
- Oculoplastics and Orbit Division, King Khaled Eye Specialist Hospital, Riyadh, Saudi Arabia
| | | | - Anoud Alsaati
- Department of Ophthalmology, Prince Sultan Military Medical City, Riyadh, Saudi Arabia,Department of Medical Services, Ministry of Defense and Aviation, King Abdullah Bin Abdulaziz University Hospital, Riyadh, Saudi Arabia
| | - Nouf Aljwaiser
- Department of Ophthalmology, Prince Sultan Military Medical City, Riyadh, Saudi Arabia,Department of Medical Services, Ministry of Defense and Aviation, King Abdullah Bin Abdulaziz University Hospital, Riyadh, Saudi Arabia
| | - Eman Alshahwan
- Department of Ophthalmology, Prince Sultan Military Medical City, Riyadh, Saudi Arabia,Department of Medical Services, Ministry of Defense and Aviation, King Abdullah Bin Abdulaziz University Hospital, Riyadh, Saudi Arabia
| | - Mona Abdulhafiz
- Department of Ophthalmology, Prince Sultan Military Medical City, Riyadh, Saudi Arabia,Department of Medical Services, Ministry of Defense and Aviation, King Abdullah Bin Abdulaziz University Hospital, Riyadh, Saudi Arabia
| | - Rashad Elsayed
- Department of Ophthalmology, Prince Sultan Military Medical City, Riyadh, Saudi Arabia,Department of Medical Services, Ministry of Defense and Aviation, King Abdullah Bin Abdulaziz University Hospital, Riyadh, Saudi Arabia
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19
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Ferreira NDR, Sanz CK, Raybolt A, Pereira CM, DosSantos MF. Action of Hyaluronic Acid as a Damage-Associated Molecular Pattern Molecule and Its Function on the Treatment of Temporomandibular Disorders. FRONTIERS IN PAIN RESEARCH 2022; 3:852249. [PMID: 35369538 PMCID: PMC8971669 DOI: 10.3389/fpain.2022.852249] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/11/2022] [Accepted: 02/14/2022] [Indexed: 11/13/2022] Open
Abstract
The temporomandibular joint is responsible for fundamental functions. However, mechanical overload or microtraumas can cause temporomandibular disorders (TMD). In addition to external factors, it is known that these conditions are involved in complex biological mechanisms, such as activation of the immune system, activation of the inflammatory process, and degradation of extracellular matrix (ECM) components. The ECM is a non-cellular three-dimensional macromolecular network; its most studied components is hyaluronic acid (HA). HA is naturally found in many tissues, and most of it has a high molecular weight. HA has attributed an essential role in the viscoelastic properties of the synovial fluid and other tissues. Additionally, it has been shown that HA molecules can contribute to other mechanisms in the processes of injury and healing. It has been speculated that the degradation product of high molecular weight HA in healthy tissues during injury, a low molecular weight HA, may act as damage-associated molecular patterns (DAMPs). DAMPs are multifunctional and structurally diverse molecules that play critical intracellular roles in the absence of injury or infection. However, after cellular damage or stress, these molecules promote the activation of the immune response. Fragments from the degradation of HA can also act as immune response activators. Low molecular weight HA would have the ability to act as a pro-inflammatory marker, promoting the activation and maturation of dendritic cells, the release of pro-inflammatory cytokines such as interleukin 1 beta (IL-1β), and tumor necrosis factor α (TNF-α). It also increases the expression of chemokines and cell proliferation. Many of the pro-inflammatory effects of low molecular weight HA are attributed to its interactions with the activation of toll-like receptors (TLRs 2 and 4). In contrast, the high molecular weight HA found in healthy tissues would act as an anti-inflammatory, inhibiting cell growth and differentiation, decreasing the production of inflammatory cytokines, and reducing phagocytosis by macrophages. These anti-inflammatory effects are mainly attributed to the interaction of high-weight HA with the CD44 receptor. In this study, we review the action of the HA as a DAMP and its functions on pain control, more specifically in orofacial origin (e.g., TMD).
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Affiliation(s)
- Natália dos Reis Ferreira
- Faculty of Medicine, Institute of Occlusion and Orofacial Pain, University of Coimbra, Coimbra, Portugal
| | - Carolina Kaminski Sanz
- Laboratório de Propriedades Mecânicas e Biologia Celular (PropBio), Departamento de Prótese e Materiais Dentários, Faculdade de Odontologia, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
- Programa de Engenharia Metalúrgica e de Materiais, COPPE, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Aline Raybolt
- Laboratório de Propriedades Mecânicas e Biologia Celular (PropBio), Departamento de Prótese e Materiais Dentários, Faculdade de Odontologia, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Cláudia Maria Pereira
- Laboratório de Propriedades Mecânicas e Biologia Celular (PropBio), Departamento de Prótese e Materiais Dentários, Faculdade de Odontologia, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
| | - Marcos Fabio DosSantos
- Laboratório de Propriedades Mecânicas e Biologia Celular (PropBio), Departamento de Prótese e Materiais Dentários, Faculdade de Odontologia, Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
- Programa de Pós-Graduação em Neurociência Translacional, Instituto Nacional de Neurociência Translacional (INNT-UFRJ), Rio de Janeiro, Brazil
- Programa de Pós-Graduação em Odontologia (PPGO), Universidade Federal do Rio de Janeiro (UFRJ), Rio de Janeiro, Brazil
- *Correspondence: Marcos Fabio DosSantos ;
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20
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Disruption of Hyaluronic Acid in Skeletal Muscle Induces Decreased Voluntary Activity via Chemosensitive Muscle Afferent Sensitization in Male Mice. eNeuro 2022; 9:ENEURO.0522-21.2022. [PMID: 35387844 PMCID: PMC9014980 DOI: 10.1523/eneuro.0522-21.2022] [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: 11/16/2021] [Revised: 02/25/2022] [Accepted: 03/09/2022] [Indexed: 11/21/2022] Open
Abstract
PEGPH20, a human recombinant hyaluronidase, has been proposed as a coadjutant to pancreatic cancer chemotherapy. In early trials, patients reported increased widespread muscle pain as the main adverse reaction to PEGPH20. To understand how PEGPH20 caused musculoskeletal pain, we systemically administered PEGPH20 to male mice and measured voluntary wheel activity and pain-related behaviors. These were paired with ex vivo electrophysiology of primary sensory neurons, whole DRG real-time PCR, and immunohistochemistry of hindpaw muscle. PEGPH20 induced significantly lower wheel running, compared with vehicle-treated animals, and decreased mechanical withdrawal thresholds 5 d after PEGPH20 injections. Chemo-sensory muscle afferents showed increased responses to noxious chemical stimulation of their receptive fields (RFs) in the PEGPH20-treated group. This was correlated with upregulation of the NGF receptor TrkA, the transient receptor potential vanilloid type 1 (TRPV1) channel and ATP-sensitive channel P2X3 in the DRG. Immunohistochemistry of hindpaw muscles revealed damage to the muscle architecture and extensive infiltration of the tissue by cells of the myelomonocytic lineage 3 d after PEGPH20 injection. Peripheral macrophage ablation in macrophage Fas-induced apoptosis (MaFIA) mice, however, did not prevent the decreased voluntary activity and instead caused even lower levels of running. These results suggest that disruption of hyaluronic acid (HA) within the muscle extracellular matrix (ECM) sensitizes chemo-nociceptive muscle afferents possibly leading to altered pain-like behaviors. Ablation experiments suggest macrophages are necessary for adequate recovery of voluntary activity after HA disruption. These data support a role for HA and macrophages in tissue integrity and muscle pain development in patients taking PEGPH20.
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Stuart N, Whitehouse A, Palermo R, Bothe E, Badcock N. Eye Gaze in Autism Spectrum Disorder: A Review of Neural Evidence for the Eye Avoidance Hypothesis. J Autism Dev Disord 2022; 53:1884-1905. [PMID: 35119604 PMCID: PMC10123036 DOI: 10.1007/s10803-022-05443-z] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 01/10/2022] [Indexed: 12/27/2022]
Abstract
Reduced eye contact early in life may play a role in the developmental pathways that culminate in a diagnosis of autism spectrum disorder. However, there are contradictory theories regarding the neural mechanisms involved. According to the amygdala theory of autism, reduced eye contact results from a hypoactive amygdala that fails to flag eyes as salient. However, the eye avoidance hypothesis proposes the opposite-that amygdala hyperactivity causes eye avoidance. This review evaluated studies that measured the relationship between eye gaze and activity in the 'social brain' when viewing facial stimuli. Of the reviewed studies, eight of eleven supported the eye avoidance hypothesis. These results suggest eye avoidance may be used to reduce amygdala-related hyperarousal among people on the autism spectrum.
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Affiliation(s)
- Nicole Stuart
- University of Western Australia, 35 Stirling Highway, Crawley, WA, 6009, Australia.
| | - Andrew Whitehouse
- Telethon Kids Institute, Perth Children's Hospital, 15 Hospital Avenue, Nedlands, WA, 6009, Australia
| | - Romina Palermo
- University of Western Australia, 35 Stirling Highway, Crawley, WA, 6009, Australia
| | - Ellen Bothe
- University of Western Australia, 35 Stirling Highway, Crawley, WA, 6009, Australia
| | - Nicholas Badcock
- University of Western Australia, 35 Stirling Highway, Crawley, WA, 6009, Australia
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22
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Kubíčková J, Medek T, Husby J, Matonohová J, Vágnerová H, Marholdová L, Velebný V, Chmelař J. Nonwoven Textiles from Hyaluronan for Wound Healing Applications. Biomolecules 2021; 12:16. [PMID: 35053164 PMCID: PMC8773973 DOI: 10.3390/biom12010016] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/19/2021] [Revised: 12/17/2021] [Accepted: 12/19/2021] [Indexed: 01/19/2023] Open
Abstract
Nonwoven textiles are used extensively in the field of medicine, including wound healing, but these textiles are mostly from conventional nondegradable materials, e.g., cotton or synthetic polymers such as polypropylene. Therefore, we aimed to develop nonwoven textiles from hyaluronan (HA), a biocompatible, biodegradable and nontoxic polysaccharide naturally present in the human body. For this purpose, we used a process based on wet spinning HA into a nonstationary coagulation bath combined with the wet-laid textile technology. The obtained HA nonwoven textiles are soft, flexible and paper like. Their mechanical properties, handling and hydration depend on the microscale fibre structure, which is tuneable by selected process parameters. Cell viability testing on two relevant cell lines (3T3, HaCaT) demonstrated that the textiles are not cytotoxic, while the monocyte activation test ruled out pyrogenicity. Biocompatibility, biodegradability and their high capacity for moisture absorption make HA nonwoven textiles a promising material for applications in the field of wound healing, both for topical and internal use. The beneficial effect of HA in the process of wound healing is well known and the form of a nonwoven textile should enable convenient handling and application to various types of wounds.
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Affiliation(s)
- Jolana Kubíčková
- Contipro a.s., Dolní Dobrouč 401, 56102 Donny Dobrucci, Czech Republic
| | - Tomáš Medek
- Contipro a.s., Dolní Dobrouč 401, 56102 Donny Dobrucci, Czech Republic
| | - Jarmila Husby
- Contipro a.s., Dolní Dobrouč 401, 56102 Donny Dobrucci, Czech Republic
| | - Jana Matonohová
- Contipro a.s., Dolní Dobrouč 401, 56102 Donny Dobrucci, Czech Republic
| | - Hana Vágnerová
- Contipro a.s., Dolní Dobrouč 401, 56102 Donny Dobrucci, Czech Republic
| | - Lucie Marholdová
- Contipro a.s., Dolní Dobrouč 401, 56102 Donny Dobrucci, Czech Republic
| | - Vladimír Velebný
- Contipro a.s., Dolní Dobrouč 401, 56102 Donny Dobrucci, Czech Republic
| | - Josef Chmelař
- Contipro a.s., Dolní Dobrouč 401, 56102 Donny Dobrucci, Czech Republic
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Zakusilo FT, Kerry O’Banion M, Gelbard HA, Seluanov A, Gorbunova V. Matters of size: Roles of hyaluronan in CNS aging and disease. Ageing Res Rev 2021; 72:101485. [PMID: 34634492 DOI: 10.1016/j.arr.2021.101485] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/10/2021] [Revised: 10/05/2021] [Accepted: 10/06/2021] [Indexed: 12/29/2022]
Abstract
Involvement of extracellular matrix (ECM) components in aging and age-related neurodegeneration is not well understood. The role of hyaluronan (HA), a major extracellular matrix glycosaminoglycan, in malignancy and inflammation is gaining new understanding. In particular, the differential biological effects of high molecular weight (HMW-HA) and low molecular weight hyaluronan (LMW-HA), and the mechanism behind such differences are being uncovered. Tightly regulated in the brain, HA can have diverse effects on cellular development, growth and degeneration. In this review, we summarize the homeostasis and signaling of HA in healthy tissue, discuss its distribution and ontogeny in the central nervous system (CNS), summarize evidence for its involvement in age-related neurodegeneration and Alzheimer Disease (AD), and assess the potential of HA as a therapeutic target in the CNS.
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PI3Kγ/AKT Signaling in High Molecular Weight Hyaluronan (HMWH)-Induced Anti-Hyperalgesia and Reversal of Nociceptor Sensitization. J Neurosci 2021; 41:8414-8426. [PMID: 34417329 DOI: 10.1523/jneurosci.1189-21.2021] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2021] [Revised: 08/09/2021] [Accepted: 08/12/2021] [Indexed: 12/30/2022] Open
Abstract
High molecular weight hyaluronan (HMWH), a well-established treatment for osteoarthritis pain, is anti-hyperalgesic in preclinical models of inflammatory and neuropathic pain. HMWH-induced anti-hyperalgesia is mediated by its action at cluster of differentiation 44 (CD44), the cognate hyaluronan receptor, which can signal via phosphoinositide 3-kinase (PI3K), a large family of kinases involved in diverse cell functions. We demonstrate that intrathecal administration of an oligodeoxynucleotide (ODN) antisense to mRNA for PI3Kγ (a Class I PI3K isoform) expressed in dorsal root ganglia (DRGs), and intradermal administration of a PI3Kγ-selective inhibitor (AS605240), markedly attenuates HMWH-induced anti-prostaglandin E2 (PGE2) hyperalgesia, in male and female rats. Intradermal administration of inhibitors of mammalian target of rapamycin (mTOR; rapamycin) and protein kinase B (AKT; AKT Inhibitor IV), signaling molecules downstream of PI3Kγ, also attenuates HMWH-induced anti-hyperalgesia. In vitro patch-clamp electrophysiology experiments on cultured nociceptors from male rats demonstrate that some HMWH-induced changes in generation of action potentials (APs) in nociceptors sensitized by PGE2 are PI3Kγ dependent (reduction in AP firing rate, increase in latency to first AP and increase in slope of current ramp required to induce AP) and some are PI3Kγ independent [reduction in recovery rate of AP afterhyperpolarization (AHP)]. Our demonstration of a role of PI3Kγ in HMWH-induced anti-hyperalgesia and reversal of nociceptor sensitization opens a novel line of research into molecular targets for the treatment of diverse pain syndromes.SIGNIFICANCE STATEMENT We have previously demonstrated that high molecular weight hyaluronan (HMWH) attenuates inflammatory hyperalgesia, an effect mediated by its action at cluster of differentiation 44 (CD44), the cognate hyaluronan receptor, and activation of its downstream signaling pathway, in nociceptors. In the present study, we demonstrate that phosphoinositide 3-kinase (PI3K)γ and downstream signaling pathway, protein kinase B (AKT) and mammalian target of rapamycin (mTOR), are crucial for HMWH to induce anti-hyperalgesia.
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Bonet IJM, Araldi D, Green PG, Levine JD. Sexually Dimorphic Role of Toll-like Receptor 4 (TLR4) in High Molecular Weight Hyaluronan (HMWH)-induced Anti-hyperalgesia. THE JOURNAL OF PAIN 2021; 22:1273-1282. [PMID: 33892155 PMCID: PMC8500912 DOI: 10.1016/j.jpain.2021.03.152] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/17/2021] [Accepted: 03/31/2021] [Indexed: 12/11/2022]
Abstract
High molecular weight hyaluronan (HMWH), a prominent component of the extracellular matrix binds to and signals via multiple receptors, including cluster of differentiation 44 (CD44) and toll-like receptor 4 (TLR4). We tested the hypothesis that, in the setting of inflammation, HMWH acts at TLR4 to attenuate hyperalgesia. We found that the attenuation of prostaglandin E2 (PGE2)-induced hyperalgesia by HMWH was attenuated by a TLR4 antagonist (NBP2-26245), but only in male and ovariectomized female rats. In this study we sought to evaluated the role of the TLR4 signaling pathway in anti-hyperalgesia induced by HMWH in male rats. Decreasing expression of TLR4 in nociceptors, by intrathecal administration of an oligodeoxynucleotide (ODN) antisense to TLR4 mRNA, also attenuated HMWH-induced anti-hyperalgesia, in male and ovariectomized female rats. Estrogen replacement in ovariectomized females reconstituted the gonad-intact phenotype. The administration of an inhibitor of myeloid differentiation factor 88 (MyD88), a TLR4 second messenger, attenuated HMWH-induced anti-hyperalgesia, while an inhibitor of the MyD88-independent TLR4 signaling pathway did not. Since it has previously been shown that HMWH-induced anti-hyperalgesia is also mediated, in part by CD44 we evaluated the effect of the combination of ODN antisense to TLR4 and CD44 mRNA. This treatment completely reversed HMWH-induced anti-hyperalgesia in male rats. Our results demonstrate a sex hormone-dependent, sexually dimorphic involvement of TLR4 in HMWH-induced anti-hyperalgesia, that is MyD88 dependent. PERSPECTIVE: The role of TLR4 in anti-hyperalgesia induced by HMWH is a sexually dimorphic, TLR4 dependent inhibition of inflammatory hyperalgesia that provides a novel molecular target for the treatment of inflammatory pain.
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Affiliation(s)
- Ivan J M Bonet
- Departments of Medicine and Oral & Maxillofacial Surgery, San Francisco; UCSF Pain and Addiction Research Center, University of California at San Francisco, San Francisco
| | - Dionéia Araldi
- Departments of Medicine and Oral & Maxillofacial Surgery, San Francisco; UCSF Pain and Addiction Research Center, University of California at San Francisco, San Francisco
| | - Paul G Green
- Departments of Medicine and Oral & Maxillofacial Surgery, San Francisco; UCSF Pain and Addiction Research Center, University of California at San Francisco, San Francisco; Departments of Preventative and Restorative Dental Sciences, University of California at San Francisco, San Francisco
| | - Jon D Levine
- Departments of Medicine and Oral & Maxillofacial Surgery, San Francisco; UCSF Pain and Addiction Research Center, University of California at San Francisco, San Francisco; Departments of Medicine, University of California at San Francisco, San Francisco.
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Marked sexual dimorphism in neuroendocrine mechanisms for the exacerbation of paclitaxel-induced painful peripheral neuropathy by stress. Pain 2021; 161:865-874. [PMID: 31917777 DOI: 10.1097/j.pain.0000000000001798] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Chemotherapy-induced neuropathic pain is a serious adverse effect of chemotherapeutic agents. Clinical evidence suggests that stress is a risk factor for development and/or worsening of chemotherapy-induced peripheral neuropathy (CIPN). We evaluated the impact of stress and stress axis mediators on paclitaxel CIPN in male and female rats. Paclitaxel produced mechanical hyperalgesia, over the 4-day course of administration, peaking by day 7, and still present by day 28, with no significant difference between male and female rats. Paclitaxel hyperalgesia was enhanced in male and female rats previously exposed to unpredictable sound stress, but not in rats that were exposed to sound stress after developing paclitaxel CIPN. We evaluated the role of the neuroendocrine stress axes: in adrenalectomized rats, paclitaxel did not produce hyperalgesia. Intrathecal administration of antisense oligodeoxynucleotides (ODN) reduced expression of β2-adrenergic receptors on nociceptors, and paclitaxel-induced hyperalgesia was slightly attenuated in males, but markedly attenuated in females. By contrast, after intrathecal administration of antisense ODN to decrease expression of glucocorticoid receptors, hyperalgesia was markedly attenuated in males, but unaffected in females. Both ODNs together markedly attenuated paclitaxel-induced hyperalgesia in both males and females. We evaluated paclitaxel-induced CIPN in stress-resilient (produced by neonatal handling) and stress-sensitive (produced by neonatal limited bedding). Neonatal handling significantly attenuated paclitaxel-induced CIPN in adult male, but not in adult female rats. Neonatal limited bedding did not affect the magnitude of paclitaxel-induced CIPN in either male or female. This study provides evidence that neuroendocrine stress axis activity has a marked, sexually dimorphic, effect on paclitaxel-induced painful CIPN.
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Morrison D, Arcese AA, Parrish J, Gibbs K, Beaufort A, Herman P, Stein AB, Bloom O. Systemic gene expression profiles according to pain types in individuals with chronic spinal cord injury. Mol Pain 2021; 17:17448069211007289. [PMID: 33853401 PMCID: PMC8053765 DOI: 10.1177/17448069211007289] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/18/2023] Open
Abstract
Pain affects most individuals with traumatic spinal cord injury (SCI). Major pain types after SCI are neuropathic or nociceptive, often experienced concurrently. Pain after SCI may be refractory to treatments and negatively affects quality of life. Previously, we analyzed whole blood gene expression in individuals with chronic SCI compared to able-bodied (AB) individuals. Most participants with SCI reported pain (N = 19/28). Here, we examined gene expression of participants with SCI by pain status. Compared to AB, participants with SCI with pain had 468 differentially expressed (DE) genes; participants without pain had 564 DE genes (FDR < 0.05). Among DE genes distinct to participants with SCI with pain, Gene Ontology Biological Process (GOBP) analysis showed upregulated genes were enriched in categories related to T cell activation or inflammation; downregulated genes were enriched in categories related to protein proteolysis and catabolism. Although most participants with pain reported multiple pain types concurrently, we performed a preliminary comparison of gene expression by worst pain problem type. Compared to AB, participants with SCI who ranked neuropathic (N = 9) as worst had one distinct DE gene (TMEM156); participants who ranked nociceptive (N = 10) as worst had 61 distinct DE genes (FDR < 0.05). In the nociceptive group, the GOBP category with the lowest P-value identified among upregulated genes was “positive regulation of T cell activation”; among downregulated genes it was “receptor tyrosine kinase binding”. An exploratory comparison of pain groups by principal components analysis also showed that the nociceptive group was enriched in T-cell related genes. A correlation analysis identified genes significantly correlated with pain intensity in the neuropathic or nociceptive groups (N = 145, 65, respectively, Pearson’s correlation r > 0.8). While this pilot study highlights challenges of identifying gene expression profiles that correlate with specific types of pain in individuals with SCI, it suggests that T-cell signaling should be further investigated in this context.
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Affiliation(s)
- Debra Morrison
- Institute of Molecular Medicine, The Feinstein Institutes for Medical Research, Manhasset, NY, USA
| | - Anthony A Arcese
- Institute of Molecular Medicine, The Feinstein Institutes for Medical Research, Manhasset, NY, USA
| | - Janay Parrish
- Donald and Barbara Zucker School of Medicine at Hofstra-Northwell, Hempstead, NY, USA
| | - Katie Gibbs
- Institute of Molecular Medicine, The Feinstein Institutes for Medical Research, Manhasset, NY, USA.,Department of Physical Medicine and Rehabilitation, Zucker School of Medicine at Hofstra-Northwell, Hempstead, NY, USA
| | - Andrew Beaufort
- Institute of Molecular Medicine, The Feinstein Institutes for Medical Research, Manhasset, NY, USA
| | - Paige Herman
- Institute of Molecular Medicine, The Feinstein Institutes for Medical Research, Manhasset, NY, USA
| | - Adam B Stein
- Department of Physical Medicine and Rehabilitation, Zucker School of Medicine at Hofstra-Northwell, Hempstead, NY, USA
| | - Ona Bloom
- Institute of Molecular Medicine, The Feinstein Institutes for Medical Research, Manhasset, NY, USA.,Department of Physical Medicine and Rehabilitation, Zucker School of Medicine at Hofstra-Northwell, Hempstead, NY, USA.,Department of Molecular Medicine, Zucker School of Medicine at Hofstra-Northwell, Hempstead, NY, USA
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Bonet IJM, Green PG, Levine JD. Sexual dimorphism in the nociceptive effects of hyaluronan. Pain 2021; 162:1116-1125. [PMID: 33065736 PMCID: PMC7969372 DOI: 10.1097/j.pain.0000000000002116] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/14/2020] [Accepted: 10/12/2020] [Indexed: 12/16/2022]
Abstract
ABSTRACT Intradermal administration of low-molecular-weight hyaluronan (LMWH) in the hind paw induced dose-dependent (0.1, 1, or 10 µg) mechanical hyperalgesia of similar magnitude in male and female rats. However, the duration of LMWH hyperalgesia was greater in females. This sexual dimorphism was eliminated by bilateral ovariectomy and by intrathecal administration of an oligodeoxynucleotide (ODN) antisense to the G-protein-coupled estrogen receptor (GPR30) mRNA in females, indicating estrogen dependence. To assess the receptors at which LMWH acts to induce hyperalgesia, LMWH was administered to groups of male and female rats that had been pretreated with ODN antisense (or mismatch) to the mRNA for 1 of 3 hyaluronan receptors, cluster of differentiation 44 (CD44), toll-like receptor 4, or receptor for hyaluronan-mediated motility (RHAMM). Although LMWH-induced hyperalgesia was attenuated in both male and female rats pretreated with ODN antisense for CD44 and toll-like receptor 4 mRNA, RHAMM antisense pretreatment only attenuated LMWH-induced hyperalgesia in males. Oligodeoxynucleotide antisense for RHAMM, however, attenuated LMWH-induced hyperalgesia in female rats treated with ODN antisense to GPR30, as well as in ovariectomized females. Low-molecular-weight hyaluronan-induced hyperalgesia was significantly attenuated by pretreatment with high-molecular-weight hyaluronan (HMWH) in male, but not in female rats. After gonadectomy or treatment with ODN antisense to GPR30 expression in females, HMWH produced similar attenuation of LMWH-induced hyperalgesia to that seen in males. These experiments identify nociceptors at which LMWH acts to produce mechanical hyperalgesia, establishes estrogen dependence in the role of RHAMM in female rats, and establishes estrogen dependence in the inhibition of LMWH-induced hyperalgesia by HMWH.
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Affiliation(s)
- Ivan J. M. Bonet
- Departments of Medicine and Oral & Maxillofacial Surgery, and Division of Neuroscience, UCSF Pain and Addiction Research Center, University of California at San Francisco, 513 Parnassus Avenue, San Francisco, CA 94143, USA
| | - Paul G. Green
- Departments of Medicine and Oral & Maxillofacial Surgery, and Division of Neuroscience, UCSF Pain and Addiction Research Center, University of California at San Francisco, 513 Parnassus Avenue, San Francisco, CA 94143, USA
- Departments of Preventative & Restorative Dental Sciences and Oral & Maxillofacial Surgery, and Division of Neuroscience, University of California at San Francisco, 513 Parnassus Avenue, San Francisco, CA 94143, USA
| | - Jon D. Levine
- Departments of Medicine and Oral & Maxillofacial Surgery, and Division of Neuroscience, UCSF Pain and Addiction Research Center, University of California at San Francisco, 513 Parnassus Avenue, San Francisco, CA 94143, USA
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van Setten GB, Stachs O, Dupas B, Turhan SA, Seitz B, Reitsamer H, Winter K, Horwath-Winter J, Guthoff RF, Müller-Lierheim WGK. High Molecular Weight Hyaluronan Promotes Corneal Nerve Growth in Severe Dry Eyes. J Clin Med 2020; 9:jcm9123799. [PMID: 33255350 PMCID: PMC7760610 DOI: 10.3390/jcm9123799] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2020] [Revised: 11/19/2020] [Accepted: 11/22/2020] [Indexed: 12/31/2022] Open
Abstract
The purpose of this study was to investigate the effect of high molecular weight hyaluronan (HMWHA) eye drops on subbasal corneal nerves in patients suffering from severe dry eye disease (DED) and to evaluate the damage of subbasal corneal nerves associated with severe DED. Designed as an international, multicenter study, 16 patients with symptoms of at least an Ocular Surface Disease Index (OSDI) score of 33, and corneal fluorescein staining (CFS) of at least Oxford grade 3, were included and randomized into two study arms. The control group continued to use their individual optimum artificial tears over the study period of eight weeks; in the verum group, the artificial tears were substituted by eye drops containing 0.15% HMWHA. At the baseline visit, and after eight weeks, the subbasal nerve plexus of 16 patients were assessed by confocal laser scanning microscopy (CSLM). The images were submitted to a masked reading center for evaluation. Results showed a significant increase of total nerve fiber lengths (CNFL) in the HMWHA group (p = 0.030) when compared to the control group, where the total subbasal CNFL did not significantly change from baseline to week 8. We concluded that in severe DED patients, HMWHA from topically applied eye drops could cross the epithelial barrier and reach the subbasal nerve plexus, where it exercised a trophic effect.
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Affiliation(s)
- Gysbert-Botho van Setten
- Department of Clininical Neuroscience, St. Eriks Eye Hospital, Karolinska Institutet, 11282 Stockholm, Sweden;
| | - Oliver Stachs
- Department of Ophthalmology, University Medical Center Rostock, 18057 Rostock, Germany; (O.S.); (R.F.G.)
| | - Bénédicte Dupas
- Quinze-Vingts National Eye Hospital & Vision Institute, 75571 Paris, France;
| | - Semra Akkaya Turhan
- Department of Ophthalmology, Marmara University School of Medicine, 34899 Istanbul, Turkey;
| | - Berthold Seitz
- Department of Ophthalmology, Saarland University Medical Center, 66421 Homburg/Saar, Germany;
| | - Herbert Reitsamer
- Department of Ophthalmology & Department of Experimental Ophthalmology and Glaucoma Research, University Clinic Salzburg, Paracelsus Medical University, 5020 Salzburg, Austria;
| | - Karsten Winter
- Institute of Anatomy, Medical Faculty, University of Leipzig, 04103 Leipzig, Germany;
| | | | - Rudolf F. Guthoff
- Department of Ophthalmology, University Medical Center Rostock, 18057 Rostock, Germany; (O.S.); (R.F.G.)
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Bonet IJM, Araldi D, Bogen O, Levine JD. Involvement of TACAN, a Mechanotransducing Ion Channel, in Inflammatory But Not Neuropathic Hyperalgesia in the Rat. THE JOURNAL OF PAIN 2020; 22:498-508. [PMID: 33232830 DOI: 10.1016/j.jpain.2020.11.004] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 11/09/2020] [Accepted: 11/13/2020] [Indexed: 12/15/2022]
Abstract
TACAN (Tmem120A), a mechanotransducing ion channel highly expressed in a subset of nociceptors, has recently been shown to contribute to detection of noxious mechanical stimulation. In the present study we evaluated its role in sensitization to mechanical stimuli associated with preclinical models of inflammatory and chemotherapy-induced neuropathic pain (CIPN). Intrathecal administration of an oligodeoxynucleotide antisense (AS-ODN) to TACAN mRNA attenuated TACAN protein expression in rat dorsal root ganglia (DRG). While TACAN AS-ODN produced only a modest increase in mechanical nociceptive threshold, it markedly reduced mechanical hyperalgesia produced by intradermal administration of prostaglandin E2, tumor necrosis factor alpha, and low molecular weight hyaluronan, and systemic administration of lipopolysaccharide, compatible with a prominent role of TACAN in mechanical hyperalgesia produced by inflammation. In contrast, TACAN AS-ODN had no effect on mechanical hyperalgesia associated with CIPN produced by oxaliplatin or paclitaxel. Our results provide evidence that TACAN plays a role in mechanical hyperalgesia induced by pronociceptive inflammatory mediators, but not CIPN, compatible with multiple mechanisms mediating mechanical nociception, and sensitization to mechanical stimuli in preclinical models of inflammatory versus CIPN. PERSPECTIVE: We evaluated the role of TACAN, a mechanotransducing ion channel in nociceptors, in preclinical models of inflammatory and CIPN. Attenuation of TACAN expression reduced hyperalgesia produced by inflammatory mediators but had not chemotherapeutic agents. Our findings support the presence of multiple mechanotransducers in nociceptors.
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Affiliation(s)
- Ivan J M Bonet
- Departments of Medicine and Oral & Maxillofacial Surgery, and Division of Neuroscience, UCSF Pain and Addiction Research Center, University of California at San Francisco, 513 Parnassus Avenue, San Francisco, California
| | - Dionéia Araldi
- Departments of Medicine and Oral & Maxillofacial Surgery, and Division of Neuroscience, UCSF Pain and Addiction Research Center, University of California at San Francisco, 513 Parnassus Avenue, San Francisco, California
| | - Oliver Bogen
- Departments of Medicine and Oral & Maxillofacial Surgery, and Division of Neuroscience, UCSF Pain and Addiction Research Center, University of California at San Francisco, 513 Parnassus Avenue, San Francisco, California
| | - Jon D Levine
- Departments of Medicine and Oral & Maxillofacial Surgery, and Division of Neuroscience, UCSF Pain and Addiction Research Center, University of California at San Francisco, 513 Parnassus Avenue, San Francisco, California.
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Opioid-Induced Hyperalgesic Priming in Single Nociceptors. J Neurosci 2020; 41:31-46. [PMID: 33203743 DOI: 10.1523/jneurosci.2160-20.2020] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2020] [Revised: 09/23/2020] [Accepted: 11/01/2020] [Indexed: 12/27/2022] Open
Abstract
Clinical µ-opioid receptor (MOR) agonists produce hyperalgesic priming, a form of maladaptive nociceptor neuroplasticity, resulting in pain chronification. We have established an in vitro model of opioid-induced hyperalgesic priming (OIHP), in male rats, to identify nociceptor populations involved and its maintenance mechanisms. OIHP was induced in vivo by systemic administration of fentanyl and confirmed by prolongation of prostaglandin E2 (PGE2) hyperalgesia. Intrathecal cordycepin, which reverses Type I priming, or the combination of Src and mitogen-activated protein kinase (MAPK) inhibitors, which reverses Type II priming, both partially attenuated OIHP. Parallel in vitro experiments were performed on small-diameter (<30 µm) dorsal root ganglion (DRG) neurons, cultured from fentanyl-primed rats, and rats with OIHP treated with agents that reverse Type I or Type II priming. Enhancement of the sensitizing effect of a low concentration of PGE2 (10 nm), another characteristic feature of priming, measured as reduction in action potential (AP) rheobase, was found in weakly isolectin B4 (IB4)-positive and IB4-negative (IB4-) neurons. In strongly IB4-positive (IB4+) neurons, only the response to a higher concentration of PGE2 (100 nm) was enhanced. The sensitizing effect of 10 nm PGE2 was attenuated in weakly IB4+ and IB4- neurons cultured from rats whose OIHP was reversed in vivo Thus, in vivo administration of fentanyl induces neuroplasticity in weakly IB4+ and IB4- nociceptors that persists in vitro and has properties of Type I and Type II priming. The mechanism underlying the enhanced sensitizing effect of 100 nm PGE2 in strongly IB4+ nociceptors, not attenuated by inhibitors of Type I and Type II priming, remains to be elucidated.SIGNIFICANCE STATEMENT Commonly used clinical opioid analgesics, such as fentanyl and morphine, can produce hyperalgesia and chronification of pain. To uncover the nociceptor population mediating opioid-induced hyperalgesic priming (OIHP), a model of pain chronification, and elucidate its underlying mechanism, at the cellular level, we established an in vitro model of OIHP. In dorsal root ganglion (DRG) neurons cultured from rats primed with fentanyl, robust nociceptor population-specific changes in sensitization by prostaglandin E2 (PGE2) were observed, when compared with nociceptors from opioid naive rats. In DRG neurons cultured from rats with OIHP, enhanced PGE2-induced sensitization was observed in vitro, with differences identified in non-peptidergic [strongly isolectin B4 (IB4)-positive] and peptidergic [weakly IB4-positive (IB4+) and IB4-negative (IB4-)] nociceptors.
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van Setten GB, Baudouin C, Horwath-Winter J, Böhringer D, Stachs O, Toker E, Al-Zaaidi S, Benitez-del-Castillo JM, Beck R, Al-Sheikh O, Seitz B, Barabino S, Reitsamer HA, Müller-Lierheim WG. The HYLAN M Study: Efficacy of 0.15% High Molecular Weight Hyaluronan Fluid in the Treatment of Severe Dry Eye Disease in a Multicenter Randomized Trial. J Clin Med 2020; 9:jcm9113536. [PMID: 33147751 PMCID: PMC7693312 DOI: 10.3390/jcm9113536] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/03/2020] [Revised: 10/23/2020] [Accepted: 10/31/2020] [Indexed: 01/22/2023] Open
Abstract
The aim of the HYLAN M study was to investigate if symptoms and/or signs of patients suffering from severe dry eye disease (DED) can be improved by substituting individually optimized artificial tear therapy by high molecular weight hyaluronan (HMWHA) eye drops. In this international, multicenter study, patients with symptoms of at least ocular surface disease index (OSDI) 33 and corneal fluorescein staining (CFS) of at least Oxford grade 3 were included. A total of 84 per-protocol patients were randomized in two study arms. The control group continued to use their individual optimum artificial tears over the study period of eight weeks; in the verum group, the artificial tears were substituted by eye drops containing 0.15% HMWHA. At the week 8 visit, the average OSDI of the verum group had improved by 13.5 as compared to the control group (p = 0.001). The best corrected visual acuity (BCVA) had improved by 0.04 logMAR (p = 0.033). CFS, tear film break-up time (TBUT), Schirmer I, lid wiper epitheliopathy (LWE), mucocutaneous junction (Yamaguchi score), and tear osmolarity were not significantly different between the verum and control groups (p > 0.050). We conclude that for most patients with severe DED, 0.15% HMWHA eye drops provide excellent improvement of symptoms without impairment of dry eye signs.
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Affiliation(s)
- Gysbert-Botho van Setten
- Karolinska Institutet, Department of Clinical Neuroscience, St. Eriks Eye Hospital, 11282 Stockholm, Sweden;
| | - Christophe Baudouin
- Quinze-Vingts National Eye Hospital & Vision Institute, IHU Foresight, 75571 Paris, France;
| | | | - Daniel Böhringer
- Eye Center, University Eye Hospital Freiburg and Medical Faculty, Albert Ludwigs University, 79106 Freiburg, Germany;
| | - Oliver Stachs
- Department of Ophthalmology, University Medical Center Rostock, 18057 Rostock, Germany; (O.S.); (R.B.)
| | - Ebru Toker
- Department of Ophthalmology, Marmara University School of Medicine, 34899 Istanbul, Turkey;
| | - Sultan Al-Zaaidi
- Department of Ophthalmology, PSMMC Prince Sultan Military Medical City, MSD Medical Services Department, MODA Ministry of Defense and Aviation, Riyadh 12233, Saudi Arabia;
| | | | - Ria Beck
- Department of Ophthalmology, University Medical Center Rostock, 18057 Rostock, Germany; (O.S.); (R.B.)
| | - Osama Al-Sheikh
- KKESH–King Khaled Eye Specialist Hospital, Riyadh 11462, Saudi Arabia;
| | - Berthold Seitz
- Department of Ophthalmology, Saarland University Medical Center, 66421 Homburg/Saar, Germany;
| | - Stefano Barabino
- Ocular Surface & Dry Eye Center, Ospedale L. Sacco, University of Milan, 20157 Milan, Italy;
| | - Herbert A. Reitsamer
- Department of Ophthalmology & Department of Experimental Ophthalmology and Glaucoma Research, University Clinic Salzburg, Paracelsus Medical University, 5020 Salzburg, Austria;
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Mechanisms Mediating High-Molecular-Weight Hyaluronan-Induced Antihyperalgesia. J Neurosci 2020; 40:6477-6488. [PMID: 32665406 DOI: 10.1523/jneurosci.0166-20.2020] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/21/2020] [Revised: 07/01/2020] [Accepted: 07/04/2020] [Indexed: 11/21/2022] Open
Abstract
We evaluated the mechanism by which high-molecular-weight hyaluronan (HMWH) attenuates nociceptor sensitization, in the setting of inflammation. HMWH attenuated mechanical hyperalgesia induced by the inflammatory mediator prostaglandin E2 (PGE2) in male and female rats. Intrathecal administration of an oligodeoxynucleotide antisense (AS-ODN) to mRNA for cluster of differentiation 44 (CD44), the cognate hyaluronan receptor, and intradermal administration of A5G27, a CD44 receptor antagonist, both attenuated antihyperalgesia induced by HMWH. In male rats, HMWH also signals via Toll-like receptor 4 (TLR4), and AS-ODN for TLR4 mRNA administered intrathecally, attenuated HMWH-induced antihyperalgesia. Since HMWH signaling is dependent on CD44 clustering in lipid rafts, we pretreated animals with methyl-β-cyclodextrin (MβCD), which disrupts lipid rafts. MβCD markedly attenuated HMWH-induced antihyperalgesia. Inhibitors for components of intracellular signaling pathways activated by CD44, including phospholipase C and phosphoinositide 3-kinase (PI3K), also attenuated HMWH-induced antihyperalgesia. Furthermore, in vitro application of HMWH attenuated PGE2-induced sensitization of tetrodotoxin-resistant sodium current, in small-diameter dorsal root ganglion neurons, an effect that was attenuated by a PI3K inhibitor. Our results indicate a central role of CD44 signaling in HMWH-induced antihyperalgesia and suggest novel therapeutic targets, downstream of CD44, for the treatment of pain generated by nociceptor sensitization.SIGNIFICANCE STATEMENT High-molecular-weight-hyaluronan (HMWH) is used to treat osteoarthritis and other pain syndromes. In this study we demonstrate that attenuation of inflammatory hyperalgesia by HMWH is mediated by its action at cluster of differentiation 44 (CD44) and activation of its downstream signaling pathways, including RhoGTPases (RhoA and Rac1), phospholipases (phospholipases Cε and Cγ1), and phosphoinositide 3-kinase, in nociceptors. These findings contribute to our understanding of the antihyperalgesic effect of HMWH and support the hypothesis that CD44 and its downstream signaling pathways represent novel therapeutic targets for the treatment of inflammatory pain.
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In Vitro Nociceptor Neuroplasticity Associated with In Vivo Opioid-Induced Hyperalgesia. J Neurosci 2019; 39:7061-7073. [PMID: 31300521 DOI: 10.1523/jneurosci.1191-19.2019] [Citation(s) in RCA: 20] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 07/02/2019] [Accepted: 07/04/2019] [Indexed: 11/21/2022] Open
Abstract
Opioid-induced hyperalgesia (OIH) is a serious adverse event produced by opioid analgesics. Lack of an in vitro model has hindered study of its underlying mechanisms. Recent evidence has implicated a role of nociceptors in OIH. To investigate the cellular and molecular mechanisms of OIH in nociceptors, in vitro, subcutaneous administration of an analgesic dose of fentanyl (30 μg/kg, s.c.) was performed in vivo in male rats. Two days later, when fentanyl was administered intradermally (1 μg, i.d.), in the vicinity of peripheral nociceptor terminals, it produced mechanical hyperalgesia (OIH). Additionally, 2 d after systemic fentanyl, rats had also developed hyperalgesic priming (opioid-primed rats), long-lasting nociceptor neuroplasticity manifested as prolongation of prostaglandin E2 (PGE2) hyperalgesia. OIH was reversed, in vivo, by intrathecal administration of cordycepin, a protein translation inhibitor that reverses priming. When fentanyl (0.5 nm) was applied to dorsal root ganglion (DRG) neurons, cultured from opioid-primed rats, it induced a μ-opioid receptor (MOR)-dependent increase in [Ca2+]i in 26% of small-diameter neurons and significantly sensitized (decreased action potential rheobase) weakly IB4+ and IB4- neurons. This sensitizing effect of fentanyl was reversed in weakly IB4+ DRG neurons cultured from opioid-primed rats after in vivo treatment with cordycepin, to reverse of OIH. Thus, in vivo administration of fentanyl induces nociceptor neuroplasticity, which persists in culture, providing evidence for the role of nociceptor MOR-mediated calcium signaling and peripheral protein translation, in the weakly IB4-binding population of nociceptors, in OIH.SIGNIFICANCE STATEMENT Clinically used μ-opioid receptor agonists such as fentanyl can produce hyperalgesia and hyperalgesic priming. We report on an in vitro model of nociceptor neuroplasticity mediating this opioid-induced hyperalgesia (OIH) and priming induced by fentanyl. Using this model, we have found qualitative and quantitative differences between cultured nociceptors from opioid-naive and opioid-primed animals, and provide evidence for the important role of nociceptor μ-opioid receptor-mediated calcium signaling and peripheral protein translation in the weakly IB4-binding population of nociceptors in OIH. These findings provide information useful for the design of therapeutic strategies to alleviate OIH, a serious adverse event of opioid analgesics.
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Fentanyl Induces Rapid Onset Hyperalgesic Priming: Type I at Peripheral and Type II at Central Nociceptor Terminals. J Neurosci 2018; 38:2226-2245. [PMID: 29431655 DOI: 10.1523/jneurosci.3476-17.2018] [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] [Received: 12/08/2017] [Accepted: 01/09/2018] [Indexed: 11/21/2022] Open
Abstract
Systemic fentanyl induces hyperalgesic priming, long-lasting neuroplasticity in nociceptor function characterized by prolongation of inflammatory mediator hyperalgesia. To evaluate priming at both nociceptor terminals, we studied, in male Sprague Dawley rats, the effect of local administration of agents that reverse type I (protein translation) or type II [combination of Src and mitogen-activated protein kinase (MAPK)] priming. At the central terminal, priming induced by systemic, intradermal, or intrathecal fentanyl was reversed by the combination of Src and MAPK inhibitors, but at the peripheral terminal, it was reversed by the protein translation inhibitor. Mu-opioid receptor (MOR) antisense prevented fentanyl hyperalgesia and priming. To determine whether type I and II priming occur in the same population of neurons, we used isolectin B4-saporin or [Sar9, Met(O2)11]-substance P-saporin to deplete nonpeptidergic or peptidergic nociceptors, respectively. Following intrathecal fentanyl, central terminal priming was prevented by both saporins, whereas that in peripheral terminal was not attenuated even by their combination. However, after intradermal fentanyl, priming in the peripheral terminal requires both peptidergic and nonpeptidergic nociceptors, whereas that in the central terminal is dependent only on peptidergic nociceptors. Pretreatment with dantrolene at either terminal prevented fentanyl-induced priming in both terminals, suggesting communication between central and peripheral terminals mediated by intracellular Ca2+ signaling. In vitro application of fentanyl increased cytoplasmic Ca2+ concentration in dorsal root ganglion neurons, which was prevented by pretreatment with dantrolene and naloxone. Therefore, acting at MOR in the nociceptor, fentanyl induces hyperalgesia and priming rapidly at both the central (type II) and peripheral (type I) terminal and this is mediated by Ca2+ signaling.SIGNIFICANCE STATEMENT Fentanyl, acting at the μ-opioid receptor (MOR), induces hyperalgesia and hyperalgesic priming at both the central and peripheral terminal of nociceptors and this is mediated by endoplasmic reticulum Ca2+ signaling. Priming in the central terminal is type II, whereas that in the peripheral terminal is type I. Our findings may provide useful information for the design of drugs with improved therapeutic profiles, selectively disrupting individual MOR signaling pathways, to maintain an adequate long-lasting control of pain.
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