1
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Lacagnina MJ, Willcox KF, Boukelmoune N, Bavencoffe A, Sankaranarayanan I, Barratt DT, Zuberi YA, Dayani D, Chavez MV, Lu JT, Farinotti AB, Shiers S, Barry AM, Mwirigi JM, Tavares-Ferreira D, Funk GA, Cervantes AM, Svensson CI, Walters ET, Hutchinson MR, Heijnen CJ, Price TJ, Fiore NT, Grace PM. B cells drive neuropathic pain-related behaviors in mice through IgG-Fc gamma receptor signaling. Sci Transl Med 2024; 16:eadj1277. [PMID: 39321269 DOI: 10.1126/scitranslmed.adj1277] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/08/2023] [Revised: 03/06/2024] [Accepted: 09/03/2024] [Indexed: 09/27/2024]
Abstract
Neuroimmune interactions are essential for the development of neuropathic pain, yet the contributions of distinct immune cell populations have not been fully unraveled. Here, we demonstrate the critical role of B cells in promoting mechanical hypersensitivity (allodynia) after peripheral nerve injury in male and female mice. Depletion of B cells with a single injection of anti-CD20 monoclonal antibody at the time of injury prevented the development of allodynia. B cell-deficient (muMT) mice were similarly spared from allodynia. Nerve injury was associated with increased immunoglobulin G (IgG) accumulation in ipsilateral lumbar dorsal root ganglia (DRGs) and dorsal spinal cords. IgG was colocalized with sensory neurons and macrophages in DRGs and microglia in spinal cords. IgG also accumulated in DRG samples from human donors with chronic pain, colocalizing with a marker for macrophages and satellite glia. RNA sequencing revealed a B cell population in naive mouse and human DRGs. A B cell transcriptional signature was enriched in DRGs from human donors with neuropathic pain. Passive transfer of IgG from injured mice induced allodynia in injured muMT recipient mice. The pronociceptive effects of IgG are likely mediated through immune complexes interacting with Fc gamma receptors (FcγRs) expressed by sensory neurons, microglia, and macrophages, given that both mechanical allodynia and hyperexcitability of dissociated DRG neurons were abolished in nerve-injured FcγR-deficient mice. Consistently, the pronociceptive effects of IgG passive transfer were lost in FcγR-deficient mice. These data reveal that a B cell-IgG-FcγR axis is required for the development of neuropathic pain in mice.
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Affiliation(s)
- Michael J Lacagnina
- Laboratories of Neuroimmunology, Department of Symptom Research, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Kendal F Willcox
- Laboratories of Neuroimmunology, Department of Symptom Research, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Nabila Boukelmoune
- Laboratories of Neuroimmunology, Department of Symptom Research, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Alexis Bavencoffe
- Department of Integrative Biology and Pharmacology, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX 77225, USA
| | - Ishwarya Sankaranarayanan
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX 75080, USA
| | - Daniel T Barratt
- School of Biomedicine, University of Adelaide, Adelaide, SA 5005, Australia
- Davies Livestock Research Centre, University of Adelaide, Roseworthy, SA 5371, Australia
| | - Younus A Zuberi
- Laboratories of Neuroimmunology, Department of Symptom Research, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Dorsa Dayani
- Laboratories of Neuroimmunology, Department of Symptom Research, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Melissa V Chavez
- Laboratories of Neuroimmunology, Department of Symptom Research, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Jonathan T Lu
- Laboratories of Neuroimmunology, Department of Symptom Research, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | | | - Stephanie Shiers
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX 75080, USA
| | - Allison M Barry
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX 75080, USA
| | - Juliet M Mwirigi
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX 75080, USA
| | - Diana Tavares-Ferreira
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX 75080, USA
| | | | | | - Camilla I Svensson
- Department of Physiology and Pharmacology, Karolinska Institutet, 17177 Stockholm, Sweden
| | - Edgar T Walters
- Department of Integrative Biology and Pharmacology, McGovern Medical School, University of Texas Health Science Center at Houston, Houston, TX 77225, USA
| | - Mark R Hutchinson
- School of Biomedicine, University of Adelaide, Adelaide, SA 5005, Australia
- Davies Livestock Research Centre, University of Adelaide, Roseworthy, SA 5371, Australia
- Australian Research Council Centre of Excellence for Nanoscale BioPhotonics, Adelaide, SA 5005, Australia
| | - Cobi J Heijnen
- Department of Psychological Sciences, Rice University, Houston, TX 77005, USA
| | - Theodore J Price
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX 75080, USA
| | - Nathan T Fiore
- Laboratories of Neuroimmunology, Department of Symptom Research, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
| | - Peter M Grace
- Laboratories of Neuroimmunology, Department of Symptom Research, University of Texas MD Anderson Cancer Center, Houston, TX 77030, USA
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2
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Rutter-Locher Z, Kirkham BW, Bannister K, Bennett DL, Buckley CD, Taams LS, Denk F. An interdisciplinary perspective on peripheral drivers of pain in rheumatoid arthritis. Nat Rev Rheumatol 2024:10.1038/s41584-024-01155-z. [PMID: 39242949 DOI: 10.1038/s41584-024-01155-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 08/05/2024] [Indexed: 09/09/2024]
Abstract
Pain is one of the most debilitating symptoms of rheumatoid arthritis (RA), and yet remains poorly understood, especially when pain occurs in the absence of synovitis. Without active inflammation, experts most often attribute joint pain to central nervous system dysfunction. However, advances in the past 5 years in both immunology and neuroscience research suggest that chronic pain in RA is also driven by a variety of abnormal interactions between peripheral neurons and mediators produced by resident cells in the local joint environment. In this Review, we discuss these novel insights from an interdisciplinary neuro-immune perspective. We outline a potential working model for the peripheral drivers of pain in RA, which includes autoantibodies, resident immune and mesenchymal cells and their interactions with different subtypes of peripheral sensory neurons. We also offer suggestions for how future collaborative research could be designed to accelerate analgesic drug development.
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Affiliation(s)
- Zoe Rutter-Locher
- Department of Rheumatology, Guy's Hospital, London, UK
- Centre for Inflammation Biology & Cancer Immunology, Department of Inflammation Biology, School of Immunology & Microbial Sciences, King's College London, London, UK
| | | | - Kirsty Bannister
- Wolfson Sensory Pain and Regeneration Centre (SPaRC), King's College London, London, UK
| | - David L Bennett
- Nuffield Department of Clinical Neurosciences, University of Oxford, Oxford, UK
| | | | - Leonie S Taams
- Centre for Inflammation Biology & Cancer Immunology, Department of Inflammation Biology, School of Immunology & Microbial Sciences, King's College London, London, UK.
| | - Franziska Denk
- Wolfson Sensory Pain and Regeneration Centre (SPaRC), King's College London, London, UK.
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3
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de Souza S, Laumet S, Inyang KE, Hua H, Sim J, Folger JK, Moeser AJ, Laumet G. Mast cell-derived chymases are essential for the resolution of inflammatory pain in mice. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2024:2024.08.05.606617. [PMID: 39211156 PMCID: PMC11361099 DOI: 10.1101/2024.08.05.606617] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 09/04/2024]
Abstract
Immune cells play a critical role in the transition from acute to chronic pain. However, the role of mast cells in pain remains under-investigated. Here, we demonstrated that the resolution of inflammatory pain is markedly delayed in mast-cell-deficient mice. In response to Complete Freund Adjuvant (CFA), mast-cell-deficient mice showed greater levels of nitric oxide and altered cytokine/chemokine profile in inflamed skin in both sexes. In Wild-Type (WT) mice, the number of mast cell and mast cell-derived chymases; chymase 1 (CMA1) and mast cell protease 4 (MCPT4) increased in the inflamed skin. Inhibiting chymase enzymatic activity delayed the resolution of inflammatory pain. Consistently, local pharmacological administration of recombinant CMA1 and MCPT4 promoted the resolution of pain hypersensitivity and attenuated the upregulation of cytokines and chemokines under inflammation. We identified CCL9 as a target of MCPT4. Inhibition of CCL9 promoted recruitment of CD206 + myeloid cells and alleviated inflammatory pain. Our work reveals a new role of mast cell-derived chymases in preventing the transition from acute to chronic pain and suggests new therapeutic avenues for the treatment of inflammatory pain. Summary Mast cell-derived chymases play an unexpected role in the resolution of inflammatory pain and regulate the immune response. Graphical abstract
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Cortez I, Gaffney CM, Vichare R, Crelli CV, Liu L, Lee E, Edralin J, Nichols JM, Pham HV, Mehdi S, Janjic JM, Shepherd AJ. Neuromuscular Polytrauma Pain is Resolved by Macrophage COX-2 Nanoimmunomodulation. Int J Nanomedicine 2024; 19:7253-7271. [PMID: 39050880 PMCID: PMC11268785 DOI: 10.2147/ijn.s460418] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2024] [Accepted: 07/10/2024] [Indexed: 07/27/2024] Open
Abstract
Soft tissue injuries often involve muscle and peripheral nerves and are qualitatively distinct from single-tissue injuries. Prior research suggests that damaged innervation compromises wound healing. To test this in a traumatic injury context, we developed a novel mouse model of nerve and lower limb polytrauma, which features greater pain hypersensitivity and more sustained macrophage infiltration than either injury in isolation. We also show that macrophages are crucial mediators of pain hypersensitivity in this model by delivering macrophage-targeted nanoemulsions laden with the cyclooxygenase-2 (COX-2) inhibitor celecoxib. This treatment was more effective in males than females, and more effective when delivered 3 days post-injury than 7 days post-injury. The COX-2 inhibiting nanoemulsion drove widespread anti-inflammatory changes in cytokine expression in polytrauma-affected peripheral nerves. Our data shed new light on the modulation of inflammation by injured nerve input and demonstrate macrophage-targeted nanoimmunomodulation can produce rapid and sustained pain relief following complex injuries.
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Affiliation(s)
- Ibdanelo Cortez
- Laboratories of Neuroimmunology, Department of Symptom Research, the University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Caitlyn M Gaffney
- Laboratories of Neuroimmunology, Department of Symptom Research, the University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Riddhi Vichare
- School of Pharmacy, Duquesne University, Pittsburgh, PA, 15282, USA
| | - Caitlin V Crelli
- School of Pharmacy, Duquesne University, Pittsburgh, PA, 15282, USA
| | - Lu Liu
- School of Pharmacy, Duquesne University, Pittsburgh, PA, 15282, USA
| | - Eric Lee
- Laboratories of Neuroimmunology, Department of Symptom Research, the University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Jules Edralin
- Laboratories of Neuroimmunology, Department of Symptom Research, the University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - James M Nichols
- Laboratories of Neuroimmunology, Department of Symptom Research, the University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Hoang Vu Pham
- Laboratories of Neuroimmunology, Department of Symptom Research, the University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Syed Mehdi
- Laboratories of Neuroimmunology, Department of Symptom Research, the University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
| | - Jelena M Janjic
- School of Pharmacy, Duquesne University, Pittsburgh, PA, 15282, USA
| | - Andrew J Shepherd
- Laboratories of Neuroimmunology, Department of Symptom Research, the University of Texas MD Anderson Cancer Center, Houston, TX, 77030, USA
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5
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Testa L, Dotta S, Vercelli A, Marvaldi L. Communicating pain: emerging axonal signaling in peripheral neuropathic pain. Front Neuroanat 2024; 18:1398400. [PMID: 39045347 PMCID: PMC11265228 DOI: 10.3389/fnana.2024.1398400] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/09/2024] [Accepted: 05/21/2024] [Indexed: 07/25/2024] Open
Abstract
Peripheral nerve damage often leads to the onset of neuropathic pain (NeuP). This condition afflicts millions of people, significantly burdening healthcare systems and putting strain on families' financial well-being. Here, we will focus on the role of peripheral sensory neurons, specifically the Dorsal Root Ganglia neurons (DRG neurons) in the development of NeuP. After axotomy, DRG neurons activate regenerative signals of axons-soma communication to promote a gene program that activates an axonal branching and elongation processes. The results of a neuronal morphological cytoskeleton change are not always associated with functional recovery. Moreover, any axonal miss-targeting may contribute to NeuP development. In this review, we will explore the epidemiology of NeuP and its molecular causes at the level of the peripheral nervous system and the target organs, with major focus on the neuronal cross-talk between intrinsic and extrinsic factors. Specifically, we will describe how failures in the neuronal regenerative program can exacerbate NeuP.
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Affiliation(s)
- Livia Testa
- Neuroscience Institute Cavalieri Ottolenghi, Orbassano (Torino), Torino, Italy
- Department of Neuroscience “Rita Levi-Montalcini”, Torino, Italy
| | - Sofia Dotta
- Neuroscience Institute Cavalieri Ottolenghi, Orbassano (Torino), Torino, Italy
- Department of Neuroscience “Rita Levi-Montalcini”, Torino, Italy
| | - Alessandro Vercelli
- Neuroscience Institute Cavalieri Ottolenghi, Orbassano (Torino), Torino, Italy
- Department of Neuroscience “Rita Levi-Montalcini”, Torino, Italy
| | - Letizia Marvaldi
- Neuroscience Institute Cavalieri Ottolenghi, Orbassano (Torino), Torino, Italy
- Department of Neuroscience “Rita Levi-Montalcini”, Torino, Italy
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6
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Reynders A, Anissa Jhumka Z, Gaillard S, Mantilleri A, Malapert P, Magalon K, Etzerodt A, Salio C, Ugolini S, Castets F, Saurin AJ, Serino M, Hoeffel G, Moqrich A. Gut microbiota promotes pain chronicity in Myosin1A deficient male mice. Brain Behav Immun 2024; 119:750-766. [PMID: 38710336 DOI: 10.1016/j.bbi.2024.05.010] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 08/11/2023] [Revised: 04/23/2024] [Accepted: 05/03/2024] [Indexed: 05/08/2024] Open
Abstract
Chronic pain is a heavily debilitating condition and a huge socio-economic burden, with no efficient treatment. Over the past decade, the gut microbiota has emerged as an important regulator of nervous system's health and disease states. Yet, its contribution to the pathogenesis of chronic somatic pain remains poorly documented. Here, we report that male but not female mice lacking Myosin1a (KO) raised under single genotype housing conditions (KO-SGH) are predisposed to develop chronic pain in response to a peripheral tissue injury. We further underscore the potential of MYO1A loss-of-function to alter the composition of the gut microbiota and uncover a functional connection between the vulnerability to chronic pain and the dysbiotic gut microbiota of KO-SGH males. As such, parental antibiotic treatment modifies gut microbiota composition and completely rescues the injury-induced pain chronicity in male KO-SGH offspring. Furthermore, in KO-SGH males, this dysbiosis is accompanied by a transcriptomic activation signature in the dorsal root ganglia (DRG) macrophage compartment, in response to tissue injury. We identify CD206+CD163- and CD206+CD163+ as the main subsets of DRG resident macrophages and show that both are long-lived and self-maintained and exhibit the capacity to monitor the vasculature. Consistently, in vivo depletion of DRG macrophages rescues KO-SGH males from injury-induced chronic pain underscoring a deleterious role for DRG macrophages in a Myo1a-loss-of function context. Together, our findings reveal gene-sex-microbiota interactions in determining the predisposition to injury-induced chronic pain and point-out DRG macrophages as potential effector cells.
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Affiliation(s)
- Ana Reynders
- Aix-Marseille-Université, CNRS, Institut de Biologie du Développement de Marseille, Marseille, France.
| | - Z Anissa Jhumka
- Aix-Marseille-Université, CNRS, Institut de Biologie du Développement de Marseille, Marseille, France
| | | | - Annabelle Mantilleri
- Aix-Marseille-Université, CNRS, Institut de Biologie du Développement de Marseille, Marseille, France
| | - Pascale Malapert
- Aix-Marseille-Université, CNRS, Institut de Biologie du Développement de Marseille, Marseille, France
| | - Karine Magalon
- Aix-Marseille-Université, CNRS, Institut de Biologie du Développement de Marseille, Marseille, France
| | - Anders Etzerodt
- Department of Biomedicine, Aarhus University, Aarhus, Denmark
| | - Chiara Salio
- Department of Veterinary Sciences, University of Turin, Grugliasco, TO, Italy
| | - Sophie Ugolini
- Aix-Marseille-Université, CNRS, INSER, Centre d'Immunologie de Marseille-Luminy, Marseille, France
| | - Francis Castets
- Aix-Marseille-Université, CNRS, Institut de Biologie du Développement de Marseille, Marseille, France
| | - Andrew J Saurin
- Aix-Marseille-Université, CNRS, Institut de Biologie du Développement de Marseille, Marseille, France
| | - Matteo Serino
- Institut de Recherche en Santé Digestive, Université de Toulouse-Paul Sabatier, INSERM, INRAe, ENVT, UPS, Toulouse, France
| | - Guillaume Hoeffel
- Aix-Marseille-Université, CNRS, INSER, Centre d'Immunologie de Marseille-Luminy, Marseille, France
| | - Aziz Moqrich
- Aix-Marseille-Université, CNRS, Institut de Biologie du Développement de Marseille, Marseille, France.
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7
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Qin Y, Liu Q, Wang S, Wang Q, Du Y, Yao J, Chen Y, Yang Q, Wu Y, Liu S, Zhao M, Wei G, Yang L. Santacruzamate A Alleviates Pain and Pain-Related Adverse Emotions through the Inhibition of Microglial Activation in the Anterior Cingulate Cortex. ACS Pharmacol Transl Sci 2024; 7:1002-1012. [PMID: 38633586 PMCID: PMC11019733 DOI: 10.1021/acsptsci.3c00282] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/14/2023] [Revised: 01/21/2024] [Accepted: 01/23/2024] [Indexed: 04/19/2024]
Abstract
Chronic pain is a complex disease. It seriously affects patients' quality of life and imposes a significant economic burden on society. Santacruzamate A (SCA) is a natural product isolated from marine cyanobacteria in Panama. In this study, we first demonstrated that SCA could alleviate chronic inflammatory pain, pain-related anxiety, and depression emotions induced by complete Freund's adjuvant in mice while inhibiting microglial activation in the anterior cingulate cortex. Moreover, SCA treatment attenuated lipopolysaccharide (LPS)-induced inflammatory response by downregulating interleukin 1β and 6 (IL-1β and IL-6) and tumor necrosis factor-α (TNF-α) levels in BV2 cells. Furthermore, we found that SCA could bind to soluble epoxide hydrolase (sEH) through molecular docking technology, and the thermal stability of sEH was enhanced after binding of SCA to the sEH protein. Meanwhile, we identified that SCA could reduce the sEH enzyme activity and inhibit sEH protein overexpression in the LPS stimulation model. The results indicated that SCA could alleviate the development of inflammation by inhibiting the enzyme activity and expression of sEH to further reduce chronic inflammatory pain. Our study suggested that SCA could be a potential drug for treating chronic inflammatory pain.
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Affiliation(s)
- Yan Qin
- Precision
Pharmacy and Drug Development Center, Department of Pharmacy, Tangdu Hospital, Fourth Military Medical University, Xi’an, Shaanxi 710038, China
| | - Qingqing Liu
- Precision
Pharmacy and Drug Development Center, Department of Pharmacy, Tangdu Hospital, Fourth Military Medical University, Xi’an, Shaanxi 710038, China
| | - Saiying Wang
- Precision
Pharmacy and Drug Development Center, Department of Pharmacy, Tangdu Hospital, Fourth Military Medical University, Xi’an, Shaanxi 710038, China
| | - Qinhui Wang
- Precision
Pharmacy and Drug Development Center, Department of Pharmacy, Tangdu Hospital, Fourth Military Medical University, Xi’an, Shaanxi 710038, China
| | - Yaya Du
- Precision
Pharmacy and Drug Development Center, Department of Pharmacy, Tangdu Hospital, Fourth Military Medical University, Xi’an, Shaanxi 710038, China
| | - Jingyue Yao
- Precision
Pharmacy and Drug Development Center, Department of Pharmacy, Tangdu Hospital, Fourth Military Medical University, Xi’an, Shaanxi 710038, China
| | - Yue Chen
- Precision
Pharmacy and Drug Development Center, Department of Pharmacy, Tangdu Hospital, Fourth Military Medical University, Xi’an, Shaanxi 710038, China
| | - Qi Yang
- Precision
Pharmacy and Drug Development Center, Department of Pharmacy, Tangdu Hospital, Fourth Military Medical University, Xi’an, Shaanxi 710038, China
| | - Yumei Wu
- Department
of Pharmacology, School of Pharmacy, Air
Force Medical University, Xi’an 710072, China
| | - Shuibing Liu
- Department
of Pharmacology, School of Pharmacy, Air
Force Medical University, Xi’an 710072, China
| | - Minggao Zhao
- Precision
Pharmacy and Drug Development Center, Department of Pharmacy, Tangdu Hospital, Fourth Military Medical University, Xi’an, Shaanxi 710038, China
| | - Gaofei Wei
- Institute
of Medical Research, Northwestern Polytechnical
University, Xi’an 710072, China
| | - Le Yang
- Precision
Pharmacy and Drug Development Center, Department of Pharmacy, Tangdu Hospital, Fourth Military Medical University, Xi’an, Shaanxi 710038, China
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8
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Hofmann L, Grüner J, Klug K, Breyer M, Klein T, Hochheimer V, Wagenhäuser L, Wischmeyer E, Üçeyler N. Elevated interleukin-8 expression by skin fibroblasts as a potential contributor to pain in women with Fabry disease. PLoS One 2024; 19:e0300687. [PMID: 38593151 PMCID: PMC11003625 DOI: 10.1371/journal.pone.0300687] [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: 09/04/2023] [Accepted: 03/02/2024] [Indexed: 04/11/2024] Open
Abstract
Fabry disease (FD) is a lysosomal storage disorder of X-linked inheritance. Mutations in the α-galactosidase A gene lead to cellular globotriaosylceramide (Gb3) depositions and triggerable acral burning pain in both sexes as an early FD symptom of unknown pathophysiology. We aimed at elucidating the link between skin cells and nociceptor sensitization contributing to FD pain in a sex-associated manner. We used cultured keratinocytes and fibroblasts of 27 adult FD patients and 20 healthy controls. Epidermal keratinocytes and dermal fibroblasts were cultured and immunoreacted to evaluate Gb3 load. Gene expression analysis of pain-related ion channels and pro-inflammatory cytokines was performed in dermal fibroblasts. We further investigated electrophysiological properties of induced pluripotent stem cell (iPSC) derived sensory-like neurons of a man with FD and a healthy man and incubated the cells with interleukin 8 (IL-8) or fibroblast supernatant as an in vitro model system. Keratinocytes displayed no intracellular, but membrane-bound Gb3 deposits. In contrast, fibroblasts showed intracellular Gb3 and revealed higher gene expression of potassium intermediate/small conductance calcium-activated potassium channel 3.1 (KCa 3.1, KCNN4) in both, men and women with FD compared to controls. Additionally, cytokine expression analysis showed increased IL-8 RNA levels only in female FD fibroblasts. Patch-clamp studies revealed reduced rheobase currents for both iPSC neuron cell lines incubated with IL-8 or fibroblast supernatant of women with FD. We conclude that Gb3 deposition in female FD patient skin fibroblasts may lead to increased KCa3.1 activity and IL-8 secretion. This may result in cutaneous nociceptor sensitization as a potential mechanism contributing to a sex-associated FD pain phenotype.
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Affiliation(s)
- Lukas Hofmann
- Department of Neurology, University Hospital of Würzburg, Würzburg, Germany
| | - Julia Grüner
- Department of Neurology, University Hospital of Würzburg, Würzburg, Germany
| | - Katharina Klug
- Department of Neurology, University Hospital of Würzburg, Würzburg, Germany
| | - Maximilian Breyer
- Department of Neurology, University Hospital of Würzburg, Würzburg, Germany
| | - Thomas Klein
- Department of Neurology, University Hospital of Würzburg, Würzburg, Germany
| | - Vanessa Hochheimer
- Department of Neurology, University Hospital of Würzburg, Würzburg, Germany
| | - Laura Wagenhäuser
- Department of Neurology, University Hospital of Würzburg, Würzburg, Germany
| | - Erhard Wischmeyer
- Molecular Electrophysiology, Institute of Physiology, Center of Mental Health, University of Würzburg, Würzburg, Germany
| | - Nurcan Üçeyler
- Department of Neurology, University Hospital of Würzburg, Würzburg, Germany
- Fabry Center for interdisciplinary Therapy (FAZiT), University Hospital of Würzburg, Würzburg, Germany
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9
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Sun Y, Lin S, Wang H, Wang L, Qiu Y, Zhang F, Hao N, Wang F, Tan W. Regulatory role of PI16 in autoimmune arthritis and intestinal inflammation: implications for Treg cell differentiation and function. J Transl Med 2024; 22:327. [PMID: 38566233 PMCID: PMC10985956 DOI: 10.1186/s12967-024-05082-1] [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: 10/19/2023] [Accepted: 03/10/2024] [Indexed: 04/04/2024] Open
Abstract
BACKGROUND Regulatory T cells (Tregs) are crucial in maintaining immune homeostasis and preventing autoimmunity and inflammation. A proportion of Treg cells can lose Foxp3 expression and become unstable under inflammation conditions. The precise mechanisms underlying this phenomenon remain unclear. METHODS The PI16 gene knockout mice (PI16fl/flFoxp3Cre) in Treg were constructed, and the genotypes were identified. The proportion and phenotypic differences of immune cells in 8-week-old mice were detected by cell counter and flow cytometry. Two groups of mouse Naïve CD4+T cells were induced to differentiate into iTreg cells to observe the effect of PI16 on the differentiation and proliferation of iTreg cells, CD4+CD25+Treg and CD4+CD25- effector T cells (Teff) were selected and co-cultured with antigen presenting cells (APC) to observe the effect of PI16 on the inhibitory ability of Treg cells in vitro. The effects of directed knockout of PI16 in Treg cells on inflammatory symptoms, histopathological changes and immune cell expression in mice with enteritis and autoimmune arthritis were observed by constructing the model of antigen-induced arthritis (AIA) and colitis induced by dextran sulfate sodium salt (DSS). RESULTS We identified peptidase inhibitor 16 (PI16) as a negative regulator of Treg cells. Our findings demonstrate that conditional knock-out of PI16 in Tregs significantly enhances their differentiation and suppressive functions. The conditional knockout of the PI16 gene resulted in a significantly higher abundance of Foxp3 expression (35.12 ± 5.71% vs. 20.00 ± 1.61%, p = 0.034) in iTreg cells induced in vitro compared to wild-type mice. Mice with Treg cell-specific PI16 ablation are protected from autoimmune arthritis (AIA) and dextran sulfate sodium (DSS)-induced colitis development. The AIA model of PI16CKO is characterized by the reduction of joint structure and the attenuation of synovial inflammation and in DSS-induced colitis model, conditional knockout of the PI16 reduce intestinal structural damage. Additionally, we found that the deletion of the PI16 gene in Treg can increase the proportion of Treg (1.46 ± 0.14% vs. 0.64 ± 0.07%, p < 0.0001) and decrease the proportion of Th17 (1.00 ± 0.12% vs. 3.84 ± 0.64%, p = 0.001). This change will enhance the shift of Th17/Treg toward Treg cells in AIA arthritis model (0.71 ± 0.06% vs. 8.07 ± 1.98%, p = 0.003). In DSS-induced colitis model of PI16CKO, the proportion of Treg in spleen was significantly increased (1.40 ± 0.15% vs. 0.50 ± 0.11%, p = 0.003), Th17 (2.18 ± 0.55% vs. 6.42 ± 1.47%, p = 0.017), Th1 (3.42 ± 0.19% vs. 6.59 ± 1.28%, p = 0.028) and Th2 (1.52 ± 0.27% vs. 2.76 ± 0.38%, p = 0.018) in spleen was significantly decreased and the Th17/Treg balance swift toward Treg cells (1.44 ± 0.50% vs. 24.09 ± 7.18%, p = 0.012). CONCLUSION PI16 plays an essential role in inhibiting Treg cell differentiation and function. Conditional knock out PI16 gene in Treg can promote the Treg/Th17 balance towards Treg dominance, thereby alleviating the condition. Targeting PI16 may facilitate Treg cell-based therapies for preventing autoimmune diseases and inflammatory diseases. The research provides us with novel insights and future research avenues for the treatment of autoimmune diseases, particularly arthritis and colitis.
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Affiliation(s)
- Yuankai Sun
- Department of Rheumatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Shiyu Lin
- Department of Rheumatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Hui Wang
- Department of Rheumatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Lei Wang
- Department of Rheumatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Yulu Qiu
- Department of Rheumatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Feifei Zhang
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Nannan Hao
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China
| | - Fang Wang
- Department of Cardiology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China.
| | - Wenfeng Tan
- Department of Rheumatology, The First Affiliated Hospital of Nanjing Medical University, Nanjing, 210029, China.
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Chiu-Tsun Tang P, Huang S, Ming-Kuen Tang P. Macrophage is more than a bystander in peripheral sensitisation. Brain Behav Immun 2024; 117:310-311. [PMID: 38307444 DOI: 10.1016/j.bbi.2024.01.223] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 01/11/2024] [Accepted: 01/25/2024] [Indexed: 02/04/2024] Open
Affiliation(s)
- Philip Chiu-Tsun Tang
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Shujie Huang
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong, China
| | - Patrick Ming-Kuen Tang
- Department of Anatomical and Cellular Pathology, State Key Laboratory of Translational Oncology, Prince of Wales Hospital, The Chinese University of Hong Kong, Shatin, Hong Kong, China.
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Sim J, O'Guin E, Monahan K, Sugimoto C, McLean SA, Albertorio-Sáez L, Zhao Y, Laumet S, Dagenais A, Bernard MP, Folger JK, Robison AJ, Linnstaedt SD, Laumet G. Interleukin-10-producing monocytes contribute to sex differences in pain resolution in mice and humans. BIORXIV : THE PREPRINT SERVER FOR BIOLOGY 2023:2023.11.03.565129. [PMID: 37961295 PMCID: PMC10635095 DOI: 10.1101/2023.11.03.565129] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
Pain is closely associated with the immune system, which exhibits sexual dimorphism. For these reasons, neuro-immune interactions are suggested to drive sex differences in pain pathophysiology. However, our understanding of peripheral neuro-immune interactions on sex differences in pain resolution remains limited. Here, we have shown, in both a mouse model of inflammatory pain and in humans following traumatic pain, that males had higher levels of interleukin (IL)-10 than females, which were correlated with faster pain resolution. Following injury, we identified monocytes (CD11b+ Ly6C+ Ly6G-F4/80 mid ) as the primary source of IL-10, with IL-10-producing monocytes being more abundant in males than females. In a mouse model, neutralizing IL-10 signaling through antibodies, genetically ablating IL-10R1 in sensory neurons, or depleting monocytes with clodronate all impaired the resolution of pain hypersensitivity in both sexes. Furthermore, manipulating androgen levels in mice reversed the sexual dimorphism of pain resolution and the levels of IL-10-producing monocytes. These results highlight a novel role for androgen-driven peripheral IL-10-producing monocytes in the sexual dimorphism of pain resolution. These findings add to the growing concept that immune cells play a critical role in resolving pain and preventing the transition into chronic pain. Graphical abstract
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