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Hall BE, Mazhar K, Macdonald E, Cassidy M, Doty M, Judkins C, Terse A, Shiers S, Tadros S, Yun S, Burton MD, Price TJ, Kulkarni A. Transcriptome Analysis of Rheumatoid Arthritis Uncovers Genes Linked to Inflammation-Induced Pain. Res Sq 2024:rs.3.rs-4218885. [PMID: 38712195 PMCID: PMC11071542 DOI: 10.21203/rs.3.rs-4218885/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/08/2024]
Abstract
Autoimmune diseases such as rheumatoid arthritis (RA) can promote states of chronic inflammation with accompanying tissue destruction and pain. RA can cause inflammatory synovitis in peripheral joints, particularly within the hands and feet, but can also sometimes trigger temporomandibular joint (TMJ) arthralgia. To better understand the effects of ongoing inflammation-induced pain signaling, dorsal root ganglia (DRGs) were acquired from individuals with RA for transcriptomic study. We conducted RNA sequencing from the L5 DRGs because it contains the soma of the sensory neurons that innervate the affected joints in the foot. DRGs from 5 RA patients were compared with 9 non-arthritic controls. RNA-seq of L5 DRGs identified 128 differentially expressed genes (DEGs) that were dysregulated in the RA subjects as compared to the non-arthritic controls. The DRG resides outside the blood brain barrier and, as such, our initial transcriptome analysis detected signs of an autoimmune disorder including the upregulated expression of immunoglobulins and other immunologically related genes within the DRGs of the RA donors. Additionally, we saw the upregulation in genes implicated in neurogenesis that could promote pain hypersensitivity. Overall, our DRG analysis suggests that there are upregulated inflammatory and pain signaling pathways that can contribute to chronic pain in RA.
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Bai Z, Bartelo N, Aslam M, Murphy EA, Hale CR, Blachere NE, Parveen S, Spolaore E, DiCarlo E, Gravallese EM, Smith MH, Frank MO, Jiang CS, Zhang H, Pyrgaki C, Lewis MJ, Sikandar S, Pitzalis C, Lesnak JB, Mazhar K, Price TJ, Malfait AM, Miller RE, Zhang F, Goodman S, Darnell RB, Wang F, Orange DE. Synovial fibroblast gene expression is associated with sensory nerve growth and pain in rheumatoid arthritis. Sci Transl Med 2024; 16:eadk3506. [PMID: 38598614 DOI: 10.1126/scitranslmed.adk3506] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2023] [Accepted: 03/21/2024] [Indexed: 04/12/2024]
Abstract
It has been presumed that rheumatoid arthritis (RA) joint pain is related to inflammation in the synovium; however, recent studies reveal that pain scores in patients do not correlate with synovial inflammation. We developed a machine-learning approach (graph-based gene expression module identification or GbGMI) to identify an 815-gene expression module associated with pain in synovial biopsy samples from patients with established RA who had limited synovial inflammation at arthroplasty. We then validated this finding in an independent cohort of synovial biopsy samples from patients who had early untreated RA with little inflammation. Single-cell RNA sequencing analyses indicated that most of these 815 genes were most robustly expressed by lining layer synovial fibroblasts. Receptor-ligand interaction analysis predicted cross-talk between human lining layer fibroblasts and human dorsal root ganglion neurons expressing calcitonin gene-related peptide (CGRP+). Both RA synovial fibroblast culture supernatant and netrin-4, which is abundantly expressed by lining fibroblasts and was within the GbGMI-identified pain-associated gene module, increased the branching of pain-sensitive murine CGRP+ dorsal root ganglion neurons in vitro. Imaging of solvent-cleared synovial tissue with little inflammation from humans with RA revealed CGRP+ pain-sensing neurons encasing blood vessels growing into synovial hypertrophic papilla. Together, these findings support a model whereby synovial lining fibroblasts express genes associated with pain that enhance the growth of pain-sensing neurons into regions of synovial hypertrophy in RA.
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Affiliation(s)
- Zilong Bai
- Weill Cornell Medicine, New York, NY 10065, USA
| | | | | | | | - Caryn R Hale
- Rockefeller University, New York, NY 10065, USA
- Memorial Sloan Kettering Cancer Center, New York, NY 10065, USA
| | - Nathalie E Blachere
- Rockefeller University, New York, NY 10065, USA
- Howard Hughes Medical Institute, Rockefeller University, New York, NY 10065, USA
| | | | | | | | | | | | | | | | | | | | - Myles J Lewis
- Queen Mary University of London & NIHR BRC Barts Health NHS Trust, London E1 4NS, UK
| | - Shafaq Sikandar
- Queen Mary University of London & NIHR BRC Barts Health NHS Trust, London E1 4NS, UK
| | - Costantino Pitzalis
- Queen Mary University of London & NIHR BRC Barts Health NHS Trust, London E1 4NS, UK
- Department of Biomedical Sciences, Humanitas University & IRCC Humanitas Research Hospital, Milan 20072, Italy
| | | | | | | | | | | | - Fan Zhang
- University of Colorado School of Medicine, Aurora, CO 80045, USA
| | - Susan Goodman
- Hospital for Special Surgery, New York, NY 10021, USA
| | - Robert B Darnell
- Rockefeller University, New York, NY 10065, USA
- Howard Hughes Medical Institute, Rockefeller University, New York, NY 10065, USA
| | - Fei Wang
- Weill Cornell Medicine, New York, NY 10065, USA
| | - Dana E Orange
- Rockefeller University, New York, NY 10065, USA
- Hospital for Special Surgery, New York, NY 10021, USA
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Kalia AK, Rösseler C, Granja-Vazquez R, Ahmad A, Pancrazio JJ, Neureiter A, Zhang M, Sauter D, Vetter I, Andersson A, Dussor G, Price TJ, Kolber BJ, Truong V, Walsh P, Lampert A. How to differentiate induced pluripotent stem cells into sensory neurons for disease modelling: a functional assessment. Stem Cell Res Ther 2024; 15:99. [PMID: 38581069 PMCID: PMC10998320 DOI: 10.1186/s13287-024-03696-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/07/2023] [Accepted: 03/13/2024] [Indexed: 04/07/2024] Open
Abstract
BACKGROUND Human induced pluripotent stem cell (iPSC)-derived peripheral sensory neurons present a valuable tool to model human diseases and are a source for applications in drug discovery and regenerative medicine. Clinically, peripheral sensory neuropathies can result in maladies ranging from a complete loss of pain to severe painful neuropathic disorders. Sensory neurons are located in the dorsal root ganglion and are comprised of functionally diverse neuronal types. Low efficiency, reproducibility concerns, variations arising due to genetic factors and time needed to generate functionally mature neuronal populations from iPSCs remain key challenges to study human nociception in vitro. Here, we report a detailed functional characterization of iPSC-derived sensory neurons with an accelerated differentiation protocol ("Anatomic" protocol) compared to the most commonly used small molecule approach ("Chambers" protocol). Anatomic's commercially available RealDRG™ were further characterized for both functional and expression phenotyping of key nociceptor markers. METHODS Multiple iPSC clones derived from different reprogramming methods, genetics, age, and somatic cell sources were used to generate sensory neurons. Manual patch clamp was used to functionally characterize both control and patient-derived neurons. High throughput techniques were further used to demonstrate that RealDRGs™ derived from the Anatomic protocol are amenable to high throughput technologies for disease modelling. RESULTS The Anatomic protocol rendered a purer culture without the use of mitomycin C to suppress non-neuronal outgrowth, while Chambers differentiations yielded a mix of cell types. Chambers protocol results in predominantly tonic firing when compared to Anatomic protocol. Patient-derived nociceptors displayed higher frequency firing compared to control subject with both, Chambers and Anatomic differentiation approaches, underlining their potential use for clinical phenotyping as a disease-in-a-dish model. RealDRG™ sensory neurons show heterogeneity of nociceptive markers indicating that the cells may be useful as a humanized model system for translational studies. CONCLUSIONS We validated the efficiency of two differentiation protocols and their potential application for functional assessment and thus understanding the disease mechanisms from patients suffering from pain disorders. We propose that both differentiation methods can be further exploited for understanding mechanisms and development of novel treatments in pain disorders.
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Affiliation(s)
- Anil Kumar Kalia
- Institute of Neurophysiology, Uniklinik RWTH Aachen University, Pauwelsstr. 30, 52074, Aachen, Germany
- Research Training Group 2416 MultiSenses-MultiScales, RWTH Aachen University, Aachen, Germany
| | - Corinna Rösseler
- Institute of Neurophysiology, Uniklinik RWTH Aachen University, Pauwelsstr. 30, 52074, Aachen, Germany
| | - Rafael Granja-Vazquez
- Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX, 75080, USA
- Department of Bioengineering, University of Texas at Dallas, Richardson, TX, 75080, USA
| | - Ayesha Ahmad
- Department of Neuroscience, University of Texas at Dallas, Richardson, TX, 75080, USA
| | - Joseph J Pancrazio
- Department of Bioengineering, University of Texas at Dallas, Richardson, TX, 75080, USA
| | - Anika Neureiter
- Institute of Neurophysiology, Uniklinik RWTH Aachen University, Pauwelsstr. 30, 52074, Aachen, Germany
| | - Mei Zhang
- Sophion Bioscience Inc., Bedford, MA, 01730, USA
| | | | - Irina Vetter
- Institute for Molecular Bioscience, The University of Queensland, St Lucia, QLD, 4072, Australia
- School of Pharmacy, The University of Queensland, Woolloongabba, QLD, 4102, Australia
| | - Asa Andersson
- Institute for Molecular Bioscience, The University of Queensland, St Lucia, QLD, 4072, Australia
| | - Gregory Dussor
- Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX, 75080, USA
- Department of Neuroscience, University of Texas at Dallas, Richardson, TX, 75080, USA
| | - Theodore J Price
- Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX, 75080, USA
- Department of Neuroscience, University of Texas at Dallas, Richardson, TX, 75080, USA
| | - Benedict J Kolber
- Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX, 75080, USA
- Department of Neuroscience, University of Texas at Dallas, Richardson, TX, 75080, USA
| | - Vincent Truong
- Anatomic Incorporated, 2112 Broadway Street NE #135, Minneapolis, MN, 55413, USA
| | - Patrick Walsh
- Anatomic Incorporated, 2112 Broadway Street NE #135, Minneapolis, MN, 55413, USA
| | - Angelika Lampert
- Institute of Neurophysiology, Uniklinik RWTH Aachen University, Pauwelsstr. 30, 52074, Aachen, Germany.
- Research Training Group 2416 MultiSenses-MultiScales, RWTH Aachen University, Aachen, Germany.
- Scientific Center for Neuropathic Pain Aachen - SCN-Aachen, Uniklinik RWTH Aachen University, 52074, Aachen, Germany.
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Franco-Enzástiga Ú, Inturi NN, Natarajan K, Mwirigi JM, Mazhar K, Schlachetzki JC, Schumacher M, Price TJ. Epigenomic landscape of the human dorsal root ganglion: sex differences and transcriptional regulation of nociceptive genes. bioRxiv 2024:2024.03.27.587047. [PMID: 38586055 PMCID: PMC10996669 DOI: 10.1101/2024.03.27.587047] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/09/2024]
Abstract
Gene expression is influenced by chromatin architecture via controlled access of regulatory factors to DNA. To better understand regulation of gene expression in the human dorsal root ganglion (hDRG) we used bulk and spatial transposase-accessible chromatin technology followed by sequencing (ATAC-seq). We detected a total of 3005 differentially accessible chromatin regions (DARs) between sexes using bulk ATAC-seq. DARs in female hDRG mapped mainly to the X chromosome. In males, DARs were found in autosomal genes. We also found differential transcription factor binding motifs within DARs. EGR1/3 and SP1/4 were abundant in females, and JUN, FOS and other AP-1 family members in males. With the aim of dissecting the open chromatin profile in hDRG neurons, we used spatial ATAC-seq. Consistent with our bulk ATAC-seq data, most of the DARs in female hDRG were located in X chromosome genes. Neuron cluster showed higher chromatin accessibility in GABAergic, glutamatergic, and interferon-related genes in females, and in Ca2+-signaling-related genes in males. Sex differences in open chromatin transcription factor binding sites in neuron-proximal barcodes were consistent with the bulk data, having EGR1 transcription factor activity in females and AP-1 family members in males. Accordingly, we showed higher expression of EGR1 in female hDRG compared to male with in-situ hybridization. Our findings point to epigenomic sex differences in the hDRG that likely underlie divergent transcriptional responses that determine mechanistic sex differences in pain.
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Affiliation(s)
- Úrzula Franco-Enzástiga
- Center for Advanced Pain Studies, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, Texas 75080
| | - Nikhil N. Inturi
- Center for Advanced Pain Studies, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, Texas 75080
| | - Keerthana Natarajan
- Center for Advanced Pain Studies, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, Texas 75080
| | - Juliet M. Mwirigi
- Center for Advanced Pain Studies, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, Texas 75080
| | - Khadja Mazhar
- Center for Advanced Pain Studies, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, Texas 75080
| | - Johannes C.M. Schlachetzki
- Department of Cellular and Molecular Medicine, University of California, San Diego, 9500 Gilman Drive, La Jolla, CA 92093-0651, USA
| | - Mark Schumacher
- Department of Anesthesia and Perioperative Care and the UCSF Pain and Addiction Research Center, University of California, San Francisco, California, 94143 USA
| | - Theodore J. Price
- Center for Advanced Pain Studies, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, Texas 75080
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Srikanth KD, Elahi H, Chander P, Washburn HR, Hassler S, Mwirigi JM, Kume M, Loucks J, Arjarapu R, Hodge R, Shiers SI, Sankaranarayanan I, Erdjument-Bromage H, Neubert TA, Campbell ZT, Paik R, Price TJ, Dalva MB. VLK drives extracellular phosphorylation of EphB2 to govern the EphB2-NMDAR interaction and injury-induced pain. bioRxiv 2024:2024.03.18.585314. [PMID: 38562765 PMCID: PMC10983893 DOI: 10.1101/2024.03.18.585314] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Phosphorylation of hundreds of protein extracellular domains is mediated by two kinase families, yet the significance of these kinases is underexplored. Here, we find that the presynaptic release of the tyrosine directed-ectokinase, Vertebrate Lonesome Kinase (VLK/Pkdcc), is necessary and sufficient for the direct extracellular interaction between EphB2 and GluN1 at synapses, for phosphorylation of the ectodomain of EphB2, and for injury-induced pain. Pkdcc is an essential gene in the nervous system, and VLK is found in synaptic vesicles, and is released from neurons in a SNARE-dependent fashion. VLK is expressed by nociceptive sensory neurons where presynaptic sensory neuron-specific knockout renders mice impervious to post-surgical pain, without changing proprioception. VLK defines an extracellular mechanism that regulates protein-protein interaction and non-opioid-dependent pain in response to injury.
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Affiliation(s)
- Kolluru D. Srikanth
- Tulane Brain Institute, Department of Cell and Molecular Biology, Tulane University; New Orleans, LA 70118, USA
- Jefferson Synaptic Biology Center, Department of Neuroscience, Thomas Jefferson University, Philadelphia, PA 19107
| | - Hajira Elahi
- Department of Neuroscience, The University of Texas at Dallas; Richardson, TX 75080, USA
- Center for Advanced Pain Studies, University of Texas at Dallas; Richardson, TX 75080, USA
| | - Praveen Chander
- Tulane Brain Institute, Department of Cell and Molecular Biology, Tulane University; New Orleans, LA 70118, USA
- Jefferson Synaptic Biology Center, Department of Neuroscience, Thomas Jefferson University, Philadelphia, PA 19107
| | - Halley R. Washburn
- Jefferson Synaptic Biology Center, Department of Neuroscience, Thomas Jefferson University, Philadelphia, PA 19107
- Department of Molecular Biology, Princeton University; Princeton, NJ 08544, USA
| | - Shayne Hassler
- Department of Neuroscience, The University of Texas at Dallas; Richardson, TX 75080, USA
- College of Medicine, University of Houston; Houston, TX 77004, USA
| | - Juliet M. Mwirigi
- Department of Neuroscience, The University of Texas at Dallas; Richardson, TX 75080, USA
- Center for Advanced Pain Studies, University of Texas at Dallas; Richardson, TX 75080, USA
| | - Moeno Kume
- Department of Neuroscience, The University of Texas at Dallas; Richardson, TX 75080, USA
- Center for Advanced Pain Studies, University of Texas at Dallas; Richardson, TX 75080, USA
| | - Jessica Loucks
- Department of Neuroscience, The University of Texas at Dallas; Richardson, TX 75080, USA
| | - Rohita Arjarapu
- Department of Neuroscience, The University of Texas at Dallas; Richardson, TX 75080, USA
| | - Rachel Hodge
- Jefferson Synaptic Biology Center, Department of Neuroscience, Thomas Jefferson University, Philadelphia, PA 19107
| | - Stephanie I. Shiers
- Department of Neuroscience, The University of Texas at Dallas; Richardson, TX 75080, USA
- Center for Advanced Pain Studies, University of Texas at Dallas; Richardson, TX 75080, USA
| | - Ishwarya Sankaranarayanan
- Department of Neuroscience, The University of Texas at Dallas; Richardson, TX 75080, USA
- Center for Advanced Pain Studies, University of Texas at Dallas; Richardson, TX 75080, USA
| | - Hediye Erdjument-Bromage
- Department of Neuroscience and Physiology and Neuroscience Institute, NYU Grossman School of Medicine, New York, NY, 10016, USA
| | - Thomas A. Neubert
- Department of Neuroscience and Physiology and Neuroscience Institute, NYU Grossman School of Medicine, New York, NY, 10016, USA
| | - Zachary T. Campbell
- Department of Anesthesiology, University of Wisconsin-Madison; Madison, WI 53792, USA
| | - Raehum Paik
- Department of Anesthesiology, University of Wisconsin-Madison; Madison, WI 53792, USA
- Department of Genetics, University of Texas Health Science Center at San Antonio; San Antonio, TX 78229, USA
| | - Theodore J. Price
- Department of Neuroscience, The University of Texas at Dallas; Richardson, TX 75080, USA
- Center for Advanced Pain Studies, University of Texas at Dallas; Richardson, TX 75080, USA
| | - Matthew B. Dalva
- Tulane Brain Institute, Department of Cell and Molecular Biology, Tulane University; New Orleans, LA 70118, USA
- Jefferson Synaptic Biology Center, Department of Neuroscience, Thomas Jefferson University, Philadelphia, PA 19107
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6
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O'Brien JT, Jalilvand SP, Suji NA, Jupelly RK, Phensy A, Mwirigi JM, Elahi H, Price TJ, Kroener S. Elevations in the Mitochondrial Matrix Protein Cyclophilin D Correlate With Reduced Parvalbumin Expression in the Prefrontal Cortex of Patients With Schizophrenia. Schizophr Bull 2024:sbae016. [PMID: 38412332 DOI: 10.1093/schbul/sbae016] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Indexed: 02/29/2024]
Abstract
BACKGROUND AND HYPOTHESIS Cognitive deficits in schizophrenia are linked to dysfunctions of the dorsolateral prefrontal cortex (DLPFC), including alterations in parvalbumin (PV)-expressing interneurons (PVIs). Redox dysregulation and oxidative stress may represent convergence points in the pathology of schizophrenia, causing dysfunction of GABAergic interneurons and loss of PV. Here, we show that the mitochondrial matrix protein cyclophilin D (CypD), a critical initiator of the mitochondrial permeability transition pore (mPTP) and modulator of the intracellular redox state, is altered in PVIs in schizophrenia. STUDY DESIGN Western blotting was used to measure CypD protein levels in postmortem DLPFC specimens of schizophrenic patients (n = 27) and matched comparison subjects with no known history of psychiatric or neurological disorders (n = 26). In a subset of this cohort, multilabel immunofluorescent confocal microscopy with unbiased stereological sampling methods were used to quantify (1) numbers of PVI across the cortical mantle (20 unaffected comparison, 14 schizophrenia) and (2) PV and CypD protein levels from PVIs in the cortical layers 2-4 (23 unaffected comparison, 18 schizophrenia). STUDY RESULTS In schizophrenic patients, the overall number of PVIs in the DLPFC was not significantly altered, but in individual PVIs of layers 2-4 PV protein levels decreased along a superficial-to-deep gradient when compared to unaffected comparison subjects. These laminar-specific PVI alterations were reciprocally linked to significant CypD elevations both in PVIs and total DLPFC gray matter. CONCLUSIONS Our findings support previously reported PVI anomalies in schizophrenia and suggest that CypD-mediated mPTP formation could be a potential contributor to PVI dysfunction in schizophrenia.
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Affiliation(s)
- John T O'Brien
- School of Behavioral and Brain Sciences, The University of Texas at Dallas, Richardson, TX, USA
| | - Sophia P Jalilvand
- School of Behavioral and Brain Sciences, The University of Texas at Dallas, Richardson, TX, USA
| | - Neha A Suji
- School of Behavioral and Brain Sciences, The University of Texas at Dallas, Richardson, TX, USA
| | - Rohan K Jupelly
- School of Behavioral and Brain Sciences, The University of Texas at Dallas, Richardson, TX, USA
| | - Aarron Phensy
- School of Behavioral and Brain Sciences, The University of Texas at Dallas, Richardson, TX, USA
| | - Juliet M Mwirigi
- School of Behavioral and Brain Sciences, The University of Texas at Dallas, Richardson, TX, USA
| | - Hajira Elahi
- School of Behavioral and Brain Sciences, The University of Texas at Dallas, Richardson, TX, USA
| | - Theodore J Price
- School of Behavioral and Brain Sciences, The University of Texas at Dallas, Richardson, TX, USA
| | - Sven Kroener
- School of Behavioral and Brain Sciences, The University of Texas at Dallas, Richardson, TX, USA
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7
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Franco-Enzástiga Ú, Natarajan K, David ET, Patel K, Ravirala A, Price TJ. Vinorelbine causes a neuropathic pain-like state in mice via STING and MNK1 signaling associated with type I interferon induction. iScience 2024; 27:108808. [PMID: 38303713 PMCID: PMC10831286 DOI: 10.1016/j.isci.2024.108808] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Revised: 11/14/2023] [Accepted: 01/02/2024] [Indexed: 02/03/2024] Open
Abstract
Type I interferons (IFNs) increase the excitability of dorsal root ganglia (DRGs) neurons via MNK-eIF4E signaling to promote pain sensitization in mice. Activation of stimulator of interferon response cGAMP interactor 1 (STING) signaling is pivotal for type I IFN induction. We hypothesized that vinorelbine, a chemotherapeutic and activator of STING, would cause a neuropathic pain-like state in mice via STING signaling in DRG neurons associated with IFN production. Vinorelbine caused tactile allodynia and grimacing in wild-type (WT) mice and increased p-IRF3, type I IFNs, and p-eIF4E in peripheral nerves. Supporting our hypothesis, vinorelbine failed to induce IRF3-IFNs-MNK-eIF4E in StingGt/Gt mice and, subsequently, failed to cause pain. The vinorelbine-elicited increase of p-eIF4E was not observed in Mknk1-/- (MNK1 knockout) mice in peripheral nerves consistent with the attenuated pro-nociceptive effect of vinorelbine in these mice. Our findings show that activation of STING signaling in the periphery causes a neuropathic pain-like state through type I IFN signaling to DRG nociceptors.
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Affiliation(s)
- Úrzula Franco-Enzástiga
- Center for Advanced Pain Studies, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX 75080, USA
| | - Keerthana Natarajan
- Center for Advanced Pain Studies, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX 75080, USA
| | - Eric T. David
- Center for Advanced Pain Studies, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX 75080, USA
| | - Krish Patel
- Center for Advanced Pain Studies, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX 75080, USA
| | - Abhira Ravirala
- Center for Advanced Pain Studies, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX 75080, USA
| | - Theodore J. Price
- Center for Advanced Pain Studies, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX 75080, USA
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8
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Kim HW, Kovar J, Bajwa JS, Mian Y, Ahmad A, Mancilla Moreno M, Price TJ, Lee YS. Rhythmic motor behavior explains individual differences in grammar skills in adults. Sci Rep 2024; 14:3710. [PMID: 38355855 PMCID: PMC10867023 DOI: 10.1038/s41598-024-53382-9] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/06/2023] [Accepted: 01/31/2024] [Indexed: 02/16/2024] Open
Abstract
A growing body of literature has reported the relationship between music and language, particularly between individual differences in perceptual rhythm skill and grammar competency in children. Here, we investigated whether motoric aspects of rhythm processing-as measured by rhythmic finger tapping tasks-also explain the rhythm-grammar connection in 150 healthy young adults. We found that all expressive rhythm skills (spontaneous, synchronized, and continued tapping) along with rhythm discrimination skill significantly predicted receptive grammar skills on either auditory sentence comprehension or grammaticality well-formedness judgment (e.g., singular/plural, past/present), even after controlling for verbal working memory and music experience. Among these, synchronized tapping and rhythm discrimination explained unique variance of sentence comprehension and grammaticality judgment, respectively, indicating differential associations between different rhythm and grammar skills. Together, we demonstrate that even simple and repetitive motor behavior can account for seemingly high-order grammar skills in the adult population, suggesting that the sensorimotor system continue to support syntactic operations.
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Affiliation(s)
- Hyun-Woong Kim
- School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, USA
- Callier Center for Communication Disorders, University of Texas at Dallas, Richardson, USA
- Department of Psychology, The University of Texas at Dallas, Richardson, USA
| | - Jessica Kovar
- School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, USA
- Callier Center for Communication Disorders, University of Texas at Dallas, Richardson, USA
| | - Jesper Singh Bajwa
- School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, USA
| | - Yasir Mian
- School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, USA
| | - Ayesha Ahmad
- School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, USA
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, USA
| | - Marisol Mancilla Moreno
- School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, USA
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, USA
| | - Theodore J Price
- School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, USA
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, USA
| | - Yune Sang Lee
- School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, USA.
- Callier Center for Communication Disorders, University of Texas at Dallas, Richardson, USA.
- Department of Speech, Language, and Hearing, The University of Texas at Dallas, Richardson, USA.
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9
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Tran MH, Bryarly M, Ma L, Yousuf MS, Price TJ, Fei B. Nerve Detection and Visualization Using Hyperspectral Imaging for Surgical Guidance. Proc SPIE Int Soc Opt Eng 2024; 12930:129302A. [PMID: 38707637 PMCID: PMC11070131 DOI: 10.1117/12.3008470] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2024]
Abstract
During surgery of delicate regions, differentiation between nerve and surrounding tissue is crucial. Hyperspectral imaging (HSI) techniques can enhance the contrast between types of tissue beyond what the human eye can differentiate. Whereas an RGB image captures 3 bands within the visible light range (e.g., 400 nm to 700 nm), HSI can acquire many bands in wavelength increments that highlight regions of an image across a wavelength spectrum. We developed a workflow to identify nerve tissues from other similar tissues such as fat, bone, and muscle. Our workflow uses spectral angle mapper (SAM) and endmember selection. The method is robust for different types of environment and lighting conditions. We validated our workflow on two samples of human tissues. We used a compact HSI system that can image from 400 to 1700 nm to produce HSI of the samples. On these two samples, we achieved an intersection-over-union (IoU) segmentation score of 84.15% and 76.73%, respectively. We showed that our workflow identifies nerve segments that are not easily seen in RGB images. This method is fast, does not rely on special hardware, and can be applied in real time. The hyperspectral imaging and nerve detection approach may provide a powerful tool for image-guided surgery.
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Affiliation(s)
- Minh Ha Tran
- Center for Imaging and Surgical Innovation, University of Texas at Dallas, Richardson, TX
- Department of Bioengineering, University of Texas at Dallas, Richardson, TX
| | - Michelle Bryarly
- Center for Imaging and Surgical Innovation, University of Texas at Dallas, Richardson, TX
- Department of Bioengineering, University of Texas at Dallas, Richardson, TX
| | - Ling Ma
- Center for Imaging and Surgical Innovation, University of Texas at Dallas, Richardson, TX
- Department of Bioengineering, University of Texas at Dallas, Richardson, TX
| | | | - Theodore J. Price
- Department of Neuroscience, University of Texas at Dallas, Richardson, TX
| | - Baowei Fei
- Center for Imaging and Surgical Innovation, University of Texas at Dallas, Richardson, TX
- Department of Bioengineering, University of Texas at Dallas, Richardson, TX
- Department of Radiology, University of Texas Southwestern Medical Center, Dallas, TX
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10
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Yousuf MS, Sahn JJ, Yang H, David ET, Shiers S, Mancilla Moreno M, Iketem J, Royer DM, Garcia CD, Zhang J, Hong VM, Mian SM, Ahmad A, Kolber BJ, Liebl DJ, Martin SF, Price TJ. Highly specific σ 2R/TMEM97 ligand FEM-1689 alleviates neuropathic pain and inhibits the integrated stress response. Proc Natl Acad Sci U S A 2023; 120:e2306090120. [PMID: 38117854 PMCID: PMC10756276 DOI: 10.1073/pnas.2306090120] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/14/2023] [Accepted: 11/21/2023] [Indexed: 12/22/2023] Open
Abstract
The sigma 2 receptor (σ2R) was described pharmacologically more than three decades ago, but its molecular identity remained obscure until recently when it was identified as transmembrane protein 97 (TMEM97). We and others have shown that σ2R/TMEM97 ligands alleviate mechanical hypersensitivity in mouse neuropathic pain models with a time course wherein maximal antinociceptive effect is approximately 24 h following dosing. We sought to understand this unique antineuropathic pain effect by addressing two key questions: do these σ2R/TMEM97 compounds act selectively via the receptor, and what is their downstream mechanism on nociceptive neurons? Using male and female conventional knockout mice for Tmem97, we find that a σ2R/TMEM97 binding compound, FEM-1689, requires the presence of the gene to produce antinociception in the spared nerve injury model in mice. Using primary mouse dorsal root ganglion neurons, we demonstrate that FEM-1689 inhibits the integrated stress response (ISR) and promotes neurite outgrowth via a σ2R/TMEM97-specific action. We extend the clinical translational value of these findings by showing that FEM-1689 reduces ISR and p-eIF2α levels in human sensory neurons and that it alleviates the pathogenic engagement of ISR by methylglyoxal. We also demonstrate that σ2R/TMEM97 is expressed in human nociceptors and satellite glial cells. These results validate σ2R/TMEM97 as a promising target for further development for the treatment of neuropathic pain.
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Affiliation(s)
- Muhammad Saad Yousuf
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX75080
- NuvoNuro Inc., Austin, TX78712
| | - James J. Sahn
- NuvoNuro Inc., Austin, TX78712
- Department of Chemistry, University of Texas at Austin, Austin, TX78712
| | - Hongfen Yang
- Department of Chemistry, University of Texas at Austin, Austin, TX78712
| | - Eric T. David
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX75080
| | - Stephanie Shiers
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX75080
| | - Marisol Mancilla Moreno
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX75080
| | - Jonathan Iketem
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX75080
| | - Danielle M. Royer
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX75080
| | - Chelsea D. Garcia
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX75080
| | - Jennifer Zhang
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX75080
| | - Veronica M. Hong
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX75080
| | - Subhaan M. Mian
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX75080
| | - Ayesha Ahmad
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX75080
| | - Benedict J. Kolber
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX75080
| | - Daniel J. Liebl
- The Miami Project to Cure Paralysis, Department of Neurosurgery, University of Miami Miller School of Medicine, Miami, FL33136
| | - Stephen F. Martin
- NuvoNuro Inc., Austin, TX78712
- Department of Chemistry, University of Texas at Austin, Austin, TX78712
| | - Theodore J. Price
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX75080
- NuvoNuro Inc., Austin, TX78712
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11
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Yousuf MS, Moreno MM, Li J, He L, Royer D, Zhang J, Woodall BJ, Grace PM, Price TJ. Diroximel fumarate acts through Nrf2 to attenuate methylglyoxal-induced nociception in mice and decreases ISR activation in DRG neurons. bioRxiv 2023:2023.12.22.572877. [PMID: 38187575 PMCID: PMC10769417 DOI: 10.1101/2023.12.22.572877] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2024]
Abstract
Diabetic neuropathic pain is associated with elevated plasma levels of methylglyoxal (MGO). MGO is a metabolite of glycolysis that causes mechanical hypersensitivity in mice by inducing the integrated stress response (ISR), which is characterized by phosphorylation of eukaryotic initiation factor 2α (p-eIF2α). Nuclear factor erythroid 2-related factor 2 (Nrf2) is a transcription factor that regulates the expression of antioxidant proteins that neutralize MGO. We hypothesized that activating Nrf2 using diroximel fumarate (DRF) would alleviate MGO-induced pain hypersensitivity. We pretreated male and female C57BL/6 mice daily with oral DRF prior to intraplantar injection of MGO (20 ng). DRF (100 mg/kg) treated animals were protected from developing MGO-induced mechanical and cold hypersensitivity. Using Nrf2 knockout mice we demonstrate that Nrf2 is necessary for the anti-nociceptive effects of DRF. In cultured mouse and human dorsal root ganglion (DRG) sensory neurons, we found that MGO induced elevated levels of p-eIF2α. Co-treatment of MGO (1 μM) with monomethyl fumarate (MMF, 10, 20, 50 μM), the active metabolite of DRF, reduced p-eIF2α levels and prevented aberrant neurite outgrowth in human DRG neurons. Our data show that targeting the Nrf2 antioxidant system with DRF is a strategy to potentially alleviate pain associated with elevated MGO levels.
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Affiliation(s)
- Muhammad Saad Yousuf
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX 75080
| | - Marisol Mancilla Moreno
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX 75080
| | - Jiahe Li
- Laboratories of Neuroimmunology, Department of Symptom Research, University of Texas MD Anderson Cancer Center, Houston, TX 77030
| | - Lucy He
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX 75080
| | - Danielle Royer
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX 75080
| | - Jennifer Zhang
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX 75080
| | - Brodie J Woodall
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX 75080
| | - Peter M Grace
- Laboratories of Neuroimmunology, Department of Symptom Research, University of Texas MD Anderson Cancer Center, Houston, TX 77030
| | - Theodore J Price
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX 75080
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12
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Zeidler M, Tavares-Ferreira D, Brougher J, Price TJ, Kress M. NOCICEPTRA2.0 - A comprehensive ncRNA atlas of human native and iPSC-derived sensory neurons. iScience 2023; 26:108525. [PMID: 38162030 PMCID: PMC10755718 DOI: 10.1016/j.isci.2023.108525] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/22/2023] [Revised: 09/19/2023] [Accepted: 11/20/2023] [Indexed: 01/03/2024] Open
Abstract
Non-coding RNAs (ncRNAs) are pivotal in gene regulation during development and disease. MicroRNAs have been extensively studied in neurogenesis. However, limited knowledge exists about the developmental signatures of other ncRNA species in sensory neuron differentiation, and human dorsal root ganglia (DRG) ncRNA expression remains undocumented. To address this gap, we generated a comprehensive atlas of small ncRNA species during iPSC-derived sensory neuron differentiation. Utilizing iPSC-derived sensory neurons and human DRG RNA sequencing, we unveiled signatures describing developmental processes. Our analysis identified ncRNAs associated with various sensory neuron stages. Striking similarities in ncRNA expression signatures between human DRG and iPSC-derived neurons support the latter as a model to bridge the translational gap between preclinical findings and human disorders. In summary, our research sheds light on the role of ncRNA species in human nociceptors, and NOCICEPTRA2.0 offers a comprehensive ncRNA database for sensory neurons that researchers can use to explore ncRNA regulators in nociceptors thoroughly.
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Affiliation(s)
- Maximilian Zeidler
- Institute of Physiology, Medical University Innsbruck, Innsbruck, Austria
- Omiqa Bioinformatics, Berlin, Germany
| | - Diana Tavares-Ferreira
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Dallas, TX, USA
| | | | - Theodore J. Price
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Dallas, TX, USA
| | - Michaela Kress
- Institute of Physiology, Medical University Innsbruck, Innsbruck, Austria
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13
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Deng L, Costa F, Blake KJ, Choi S, Chandrabalan A, Yousuf MS, Shiers S, Dubreuil D, Vega-Mendoza D, Rolland C, Deraison C, Voisin T, Bagood MD, Wesemann L, Frey AM, Palumbo JS, Wainger BJ, Gallo RL, Leyva-Castillo JM, Vergnolle N, Price TJ, Ramachandran R, Horswill AR, Chiu IM. S. aureus drives itch and scratch-induced skin damage through a V8 protease-PAR1 axis. Cell 2023; 186:5375-5393.e25. [PMID: 37995657 PMCID: PMC10669764 DOI: 10.1016/j.cell.2023.10.019] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Revised: 08/20/2023] [Accepted: 10/18/2023] [Indexed: 11/25/2023]
Abstract
Itch is an unpleasant sensation that evokes a desire to scratch. The skin barrier is constantly exposed to microbes and their products. However, the role of microbes in itch generation is unknown. Here, we show that Staphylococcus aureus, a bacterial pathogen associated with itchy skin diseases, directly activates pruriceptor sensory neurons to drive itch. Epicutaneous S. aureus exposure causes robust itch and scratch-induced damage. By testing multiple isogenic bacterial mutants for virulence factors, we identify the S. aureus serine protease V8 as a critical mediator in evoking spontaneous itch and alloknesis. V8 cleaves proteinase-activated receptor 1 (PAR1) on mouse and human sensory neurons. Targeting PAR1 through genetic deficiency, small interfering RNA (siRNA) knockdown, or pharmacological blockade decreases itch and skin damage caused by V8 and S. aureus exposure. Thus, we identify a mechanism of action for a pruritogenic bacterial factor and demonstrate the potential of inhibiting V8-PAR1 signaling to treat itch.
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Affiliation(s)
- Liwen Deng
- Department of Immunology, Harvard Medical School, Boston, MA 02215, USA
| | - Flavia Costa
- Department of Immunology and Microbiology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Kimbria J Blake
- Department of Immunology, Harvard Medical School, Boston, MA 02215, USA
| | - Samantha Choi
- Department of Immunology, Harvard Medical School, Boston, MA 02215, USA
| | - Arundhasa Chandrabalan
- Department of Physiology and Pharmacology, University of Western Ontario, London, Ontario N6A 5C1, Canada
| | - Muhammad Saad Yousuf
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX 75080, USA
| | - Stephanie Shiers
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX 75080, USA
| | - Daniel Dubreuil
- Departments of Neurology and Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Daniela Vega-Mendoza
- Division of Immunology, Boston Children's Hospital and Harvard Medical School, Boston, MA 02115, USA
| | - Corinne Rolland
- IRSD, Université de Toulouse, INSERM, INRAe, ENVT, Université Toulouse III-Paul Sabatier (UPS), Toulouse, France
| | - Celine Deraison
- IRSD, Université de Toulouse, INSERM, INRAe, ENVT, Université Toulouse III-Paul Sabatier (UPS), Toulouse, France
| | - Tiphaine Voisin
- Department of Immunology, Harvard Medical School, Boston, MA 02215, USA
| | - Michelle D Bagood
- Department of Dermatology, University of California, San Diego, La Jolla, CA 92093, USA
| | - Lucia Wesemann
- Department of Immunology, Harvard Medical School, Boston, MA 02215, USA
| | - Abigail M Frey
- Department of Immunology, Harvard Medical School, Boston, MA 02215, USA
| | - Joseph S Palumbo
- Cancer and Blood Diseases Institute, Cincinnati Children's Hospital Medical Center and the University of Cincinnati College of Medicine, Cincinnati, OH, USA
| | - Brian J Wainger
- Departments of Neurology and Anesthesia, Critical Care and Pain Medicine, Massachusetts General Hospital, Boston, MA 02114, USA
| | - Richard L Gallo
- Department of Dermatology, University of California, San Diego, La Jolla, CA 92093, USA
| | | | - Nathalie Vergnolle
- IRSD, Université de Toulouse, INSERM, INRAe, ENVT, Université Toulouse III-Paul Sabatier (UPS), Toulouse, France
| | - Theodore J Price
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX 75080, USA
| | - Rithwik Ramachandran
- Department of Physiology and Pharmacology, University of Western Ontario, London, Ontario N6A 5C1, Canada
| | - Alexander R Horswill
- Department of Immunology and Microbiology, University of Colorado Anschutz Medical Campus, Aurora, CO 80045, USA
| | - Isaac M Chiu
- Department of Immunology, Harvard Medical School, Boston, MA 02215, USA.
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14
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Wong C, Tavares-Ferreira D, Thörn Perez C, Sharif B, Uttam S, Amiri M, Lister KC, Hooshmandi M, Nguyen V, Séguéla P, Sonenberg N, Price TJ, Gkogkas CG, Khoutorsky A. 4E-BP1-dependent translation in nociceptors controls mechanical hypersensitivity via TRIM32/type I interferon signaling. Sci Adv 2023; 9:eadh9603. [PMID: 37922363 PMCID: PMC10624345 DOI: 10.1126/sciadv.adh9603] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/24/2023] [Accepted: 10/03/2023] [Indexed: 11/05/2023]
Abstract
Activation of the mechanistic target of rapamycin complex 1 (mTORC1) contributes to the development of chronic pain. However, the specific mechanisms by which mTORC1 causes hypersensitivity remain elusive. The eukaryotic initiation factor 4E-binding protein 1 (4E-BP1) is a key mTORC1 downstream effector that represses translation initiation. Here, we show that nociceptor-specific deletion of 4E-BP1, mimicking activation of mTORC1-dependent translation, is sufficient to cause mechanical hypersensitivity. Using translating ribosome affinity purification in nociceptors lacking 4E-BP1, we identified a pronounced translational up-regulation of tripartite motif-containing protein 32 (TRIM32), an E3 ubiquitin ligase that promotes interferon signaling. Down-regulation of TRIM32 in nociceptors or blocking type I interferon signaling reversed the mechanical hypersensitivity in mice lacking 4E-BP1. Furthermore, nociceptor-specific ablation of TRIM32 alleviated mechanical hypersensitivity caused by tissue inflammation. These results show that mTORC1 in nociceptors promotes hypersensitivity via 4E-BP1-dependent up-regulation of TRIM32/interferon signaling and identify TRIM32 as a therapeutic target in inflammatory pain.
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Affiliation(s)
- Calvin Wong
- Department of Anaesthesia, McGill University, Montreal, Canada
| | - Diana Tavares-Ferreira
- School of Behavioural and Brain Sciences and Center for Advanced Pain Studies, University of Texas at Dallas, Dallas, TX 75080, USA
| | - Carolina Thörn Perez
- Department of Anaesthesia, McGill University, Montreal, Canada
- Gene Expression Laboratory, Salk Institute for Biological Studies, La Jolla, CA 92037, USA
| | - Behrang Sharif
- Department of Physiology, McGill University, Montreal, Canada
- Montreal Neurological Institute, Department of Neurology and Neurosurgery, McGill University, Montreal, Canada
| | - Sonali Uttam
- Department of Anaesthesia, McGill University, Montreal, Canada
| | - Mehdi Amiri
- Rosalind and Morris Goodman Cancer Institute, McGill University, Montreal, Canada
- Department of Biochemistry, McGill University, Montreal, Canada
| | - Kevin C. Lister
- Department of Anaesthesia, McGill University, Montreal, Canada
| | | | - Vivienne Nguyen
- Department of Anaesthesia, McGill University, Montreal, Canada
| | - Philippe Séguéla
- Montreal Neurological Institute, Department of Neurology and Neurosurgery, McGill University, Montreal, Canada
- Alan Edwards Centre for Research on Pain, McGill University, Montreal, Canada
| | - Nahum Sonenberg
- Rosalind and Morris Goodman Cancer Institute, McGill University, Montreal, Canada
- Department of Biochemistry, McGill University, Montreal, Canada
| | - Theodore J. Price
- School of Behavioural and Brain Sciences and Center for Advanced Pain Studies, University of Texas at Dallas, Dallas, TX 75080, USA
| | - Christos G. Gkogkas
- Biomedical Research Institute, Foundation for Research and Technology-Hellas, University Campus, 45110 Ioannina, Greece
| | - Arkady Khoutorsky
- Department of Anaesthesia, McGill University, Montreal, Canada
- Alan Edwards Centre for Research on Pain, McGill University, Montreal, Canada
- Faculty of Dental Medicine and Oral Health Sciences, McGill University, Montreal, Canada
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15
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Kume M, Ahmad A, DeFea KA, Vagner J, Dussor G, Boitano S, Price TJ. Protease-Activated Receptor 2 (PAR2) Expressed in Sensory Neurons Contributes to Signs of Pain and Neuropathy in Paclitaxel Treated Mice. J Pain 2023; 24:1980-1993. [PMID: 37315729 PMCID: PMC10615692 DOI: 10.1016/j.jpain.2023.06.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/13/2023] [Revised: 05/26/2023] [Accepted: 06/07/2023] [Indexed: 06/16/2023]
Abstract
Chemotherapy-induced peripheral neuropathy (CIPN) is a common, dose-limiting side effect of cancer therapy. Protease-activated receptor 2 (PAR2) is implicated in a variety of pathologies, including CIPN. In this study, we demonstrate the role of PAR2 expressed in sensory neurons in a paclitaxel (PTX)-induced model of CIPN in mice. PAR2 knockout/wildtype (WT) mice and mice with PAR2 ablated in sensory neurons were treated with PTX administered via intraperitoneal injection. In vivo behavioral studies were done in mice using von Frey filaments and the Mouse Grimace Scale. We then examined immunohistochemical staining of dorsal root ganglion (DRG) and hind paw skin samples from CIPN mice to measure satellite cell gliosis and intra-epidermal nerve fiber (IENF) density. The pharmacological reversal of CIPN pain was tested with the PAR2 antagonist C781. Mechanical allodynia caused by PTX treatment was alleviated in PAR2 knockout mice of both sexes. In the PAR2 sensory neuronal conditional knockout (cKO) mice, both mechanical allodynia and facial grimacing were attenuated in mice of both sexes. In the DRG of the PTX-treated PAR2 cKO mice, satellite glial cell activation was reduced compared to control mice. IENF density analysis of the skin showed that the PTX-treated control mice had a reduction in nerve fiber density while the PAR2 cKO mice had a comparable skin innervation as the vehicle-treated animals. Similar results were seen with satellite cell gliosis in the DRG, where gliosis induced by PTX was absent in PAR cKO mice. Finally, C781 was able to transiently reverse established PTX-evoked mechanical allodynia. PERSPECTIVE: Our work demonstrates that PAR2 expressed in sensory neurons plays a key role in PTX-induced mechanical allodynia, spontaneous pain, and signs of neuropathy, suggesting PAR2 as a possible therapeutic target in multiple aspects of PTX CIPN.
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Affiliation(s)
- Moeno Kume
- University of Texas at Dallas, Department of Neuroscience and Center for Advanced Pain Studies
| | - Ayesha Ahmad
- University of Texas at Dallas, Department of Neuroscience and Center for Advanced Pain Studies
| | | | | | - Gregory Dussor
- University of Texas at Dallas, Department of Neuroscience and Center for Advanced Pain Studies
| | - Scott Boitano
- University of Arizona Bio5 Research Institute
- University of Arizona Heath Sciences, Asthma and Airway Disease Research Center
- University of Arizona Heath Sciences, Department of Physiology
| | - Theodore J. Price
- University of Texas at Dallas, Department of Neuroscience and Center for Advanced Pain Studies
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16
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Arendt-Tranholm A, Mwirigi JM, Price TJ. RNA isoform expression landscape of the human dorsal root ganglion (DRG) generated from long read sequencing. bioRxiv 2023:2023.10.28.564535. [PMID: 37961262 PMCID: PMC10634934 DOI: 10.1101/2023.10.28.564535] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
Splicing is a post-transcriptional RNA processing mechanism that enhances genomic complexity by creating multiple isoforms from the same gene. Diversity in splicing in the mammalian nervous system is associated with neuronal development, synaptic function and plasticity, and is also associated with diseases of the nervous system ranging from neurodegeneration to chronic pain. We aimed to characterize the isoforms expressed in the human peripheral nervous system, with the goal of creating a resource to identify novel isoforms of functionally relevant genes associated with somatosensation and nociception. We used long read sequencing (LRS) to document isoform expression in the human dorsal root ganglia (hDRG) from 3 organ donors. Isoforms were validated in silico by confirming expression in hDRG short read sequencing (SRS) data from 3 independent organ donors. 19,547 isoforms of protein-coding genes were detected using LRS and validated with SRS and strict expression cutoffs. We identified 763 isoforms with at least one previously undescribed splice-junction. Previously unannotated isoforms of multiple pain-associated genes, including ASIC3, MRGPRX1 and HNRNPK were identified. In the novel isoforms of ASIC3, a region comprising ~35% of the 5'UTR was excised. In contrast, a novel splice-junction was utilized in isoforms of MRGPRX1 to include an additional exon upstream of the start-codon, consequently adding a region to the 5'UTR. Novel isoforms of HNRNPK were identified which utilized previously unannotated splice-sites to both excise exon 14 and include a sequence in the 5' end of exon 13. The insertion and deletion in the coding region was predicted to excise a serine-phosphorylation site favored by cdc2, and replace it with a tyrosine-phosphorylation site potentially phosphorylated by SRC. We also independently confirm a recently reported DRG-specific splicing event in WNK1 that gives insight into how painless peripheral neuropathy occurs when this gene is mutated. Our findings give a clear overview of mRNA isoform diversity in the hDRG obtained using LRS. Using this work as a foundation, an important next step will be to use LRS on hDRG tissues recovered from people with a history of chronic pain. This should enable identification of new drug targets and a better understanding of chronic pain that may involve aberrant splicing events.
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Affiliation(s)
- Asta Arendt-Tranholm
- School of Behavioral and Brain Sciences, Department of Neuroscience and Center for Advanced Pain Studies, The University of Texas at Dallas, 800 W Campbell Rd, Richardson, Texas, 75080
| | - Juliet M. Mwirigi
- School of Behavioral and Brain Sciences, Department of Neuroscience and Center for Advanced Pain Studies, The University of Texas at Dallas, 800 W Campbell Rd, Richardson, Texas, 75080
| | - Theodore J. Price
- School of Behavioral and Brain Sciences, Department of Neuroscience and Center for Advanced Pain Studies, The University of Texas at Dallas, 800 W Campbell Rd, Richardson, Texas, 75080
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17
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Kalia AK, Rösseler C, Granja-Vazquez R, Ahmad A, Pancrazio JJ, Neureiter A, Zhang M, Sauter D, Vetter I, Andersson A, Dussor G, Price TJ, Kolber BJ, Truong V, Walsh P, Lampert A. How to differentiate induced pluripotent stem cells into sensory neurons for disease modelling: a comparison of two protocols. Res Sq 2023:rs.3.rs-3127017. [PMID: 37961300 PMCID: PMC10635298 DOI: 10.21203/rs.3.rs-3127017/v1] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/15/2023]
Abstract
Background Human induced pluripotent stem cell (iPSC)-derived peripheral sensory neurons present a valuable tool to model human diseases and are a source for applications in drug discovery and regenerative medicine. Clinically, peripheral sensory neuropathies can result in maladies ranging from a complete loss of pain to severe painful neuropathic symptoms. Sensory neurons are located in the dorsal root ganglion and are comprised of functionally diverse neuronal types. Low efficiency, reproducibility concerns, variations arising due to genetic factors and time needed to generate functionally mature neuronal populations from iPSCs for disease modelling remain key challenges to study human nociception in vitro. Here, we report a detailed characterization of iPSC-derived sensory neurons with an accelerated differentiation protocol ("Anatomic" protocol) compared to the most commonly used small molecule approach ("Chambers" protocol). Methods Multiple iPSC clones derived from different reprogramming methods, genetics, age, and somatic cell sources were used to generate sensory neurons. Expression profiling of sensory neurons was performed with Immunocytochemistry and in situ hybridization techniques. Manual patch clamp and high throughput cellular screening systems (Fluorescence imaging plate reader, automated patch clamp and multi-well microelectrode arrays recordings) were applied to functionally characterize the generated sensory neurons. Results The Anatomic protocol rendered a purer culture without the use of mitomycin C to suppress non-neuronal outgrowth, while Chambers differentiations yielded a mix of cell types. High throughput systems confirmed functional expression of Na+ and K+ ion channels. Multi-well microelectrode recordings display spontaneously active neurons with sensitivity to increased temperature indicating expression of heat sensitive ion channels. Patient-derived nociceptors displayed higher frequency firing compared to control subject with both, Chambers and Anatomic differentiation approaches, underlining their potential use for clinical phenotyping as a disease-in-a-dish model. Conclusions We validated the efficiency of two differentiation protocols and their potential application for understanding the disease mechanisms from patients suffering from pain disorders. We propose that both differentiation methods can be further exploited for understanding mechanisms and development of novel treatments in pain disorders.
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Affiliation(s)
| | | | | | | | | | | | - Mei Zhang
- Sophion Bioscience A/S: Biolin Scientific AB
| | | | - Irina Vetter
- The University of Queensland Institute for Molecular Bioscience
| | - Asa Andersson
- The University of Queensland Institute for Molecular Bioscience
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18
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Yousuf MS, Sahn JJ, Yang H, David ET, Shiers S, Moreno MM, Iketem J, Royer DM, Garcia CD, Zhang J, Hong VM, Mian SM, Ahmad A, Kolber BJ, Liebl DJ, Martin SF, Price TJ. Highly specific σ 2R/TMEM97 ligand alleviates neuropathic pain and inhibits the integrated stress response. bioRxiv 2023:2023.04.11.536439. [PMID: 37090527 PMCID: PMC10120691 DOI: 10.1101/2023.04.11.536439] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/25/2023]
Abstract
The Sigma 2 receptor (σ2R) was described pharmacologically more than three decades ago, but its molecular identity remained obscure until recently when it was identified as transmembrane protein 97 (TMEM97). We and others have shown that σ2R/TMEM97 ligands alleviate mechanical hypersensitivity in mouse neuropathic pain models with a time course wherein maximal anti-nociceptive effect is approximately 24 hours following dosing. We sought to understand this unique anti-neuropathic pain effect by addressing two key questions: do these σ2R/TMEM97 compounds act selectively via the receptor, and what is their downstream mechanism on nociceptive neurons? Using male and female conventional knockout (KO) mice for Tmem97, we find that a new σ2R/TMEM97 binding compound, FEM-1689, requires the presence of the gene to produce anti-nociception in the spared nerve injury model in mice. Using primary mouse dorsal root ganglion (DRG) neurons, we demonstrate that FEM-1689 inhibits the integrated stress response (ISR) and promotes neurite outgrowth via a σ2R/TMEM97-specific action. We extend the clinical translational value of these findings by showing that FEM-1689 reduces ISR and p-eIF2α levels in human sensory neurons and that it alleviates the pathogenic engagement of ISR by methylglyoxal. We also demonstrate that σ2R/TMEM97 is expressed in human nociceptors and satellite glial cells. These results validate σ2R/TMEM97 as a promising target for further development for the treatment of neuropathic pain.
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Affiliation(s)
- Muhammad Saad Yousuf
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX 75080
- NuvoNuro, Austin, TX 78712
| | - James J. Sahn
- Department of Chemistry, University of Texas at Austin, Austin, TX 78712
- NuvoNuro, Austin, TX 78712
| | - Hongfen Yang
- Department of Chemistry, University of Texas at Austin, Austin, TX 78712
| | - Eric T. David
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX 75080
| | - Stephanie Shiers
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX 75080
| | - Marisol Mancilla Moreno
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX 75080
| | - Jonathan Iketem
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX 75080
| | - Danielle M. Royer
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX 75080
| | - Chelsea D. Garcia
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX 75080
| | - Jennifer Zhang
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX 75080
| | - Veronica M. Hong
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX 75080
| | - Subhaan M. Mian
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX 75080
| | - Ayesha Ahmad
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX 75080
| | - Benedict J. Kolber
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX 75080
| | | | - Stephen F. Martin
- Department of Chemistry, University of Texas at Austin, Austin, TX 78712
- NuvoNuro, Austin, TX 78712
| | - Theodore J. Price
- Center for Advanced Pain Studies and Department of Neuroscience, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX 75080
- NuvoNuro, Austin, TX 78712
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19
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Lesnak JB, Price TJ. Commentary on: Conserved transcriptional programming across sex and species after peripheral nerve injury predicts treatments for neuropathic pain. Br J Pharmacol 2023; 180:2603-2604. [PMID: 37491686 DOI: 10.1111/bph.16189] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2023] [Accepted: 07/02/2023] [Indexed: 07/27/2023] Open
Affiliation(s)
- Joseph B Lesnak
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, Texas, USA
| | - Theodore J Price
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, Texas, USA
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20
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Lesnak JB, Mazhar K, Price TJ. Neuroimmune Mechanisms Underlying Post-acute Sequelae of SARS-CoV-2 (PASC) Pain, Predictions from a Ligand-Receptor Interactome. Curr Rheumatol Rep 2023; 25:169-181. [PMID: 37300737 PMCID: PMC10256978 DOI: 10.1007/s11926-023-01107-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 05/31/2023] [Indexed: 06/12/2023]
Abstract
PURPOSE OF REVIEW Individuals with post-acute sequelae of SARS-CoV-2 (PASC) complain of persistent musculoskeletal pain. Determining how COVID-19 infection produces persistent pain would be valuable for the development of therapeutics aimed at alleviating these symptoms. RECENT FINDINGS To generate hypotheses regarding neuroimmune interactions in PASC, we used a ligand-receptor interactome to make predictions about how ligands from PBMCs in individuals with COVID-19 communicate with dorsal root ganglia (DRG) neurons to induce persistent pain. In a structured literature review of -omics COVID-19 studies, we identified ligands capable of binding to receptors on DRG neurons, which stimulate signaling pathways including immune cell activation and chemotaxis, the complement system, and type I interferon signaling. The most consistent finding across immune cell types was an upregulation of genes encoding the alarmins S100A8/9 and MHC-I. This ligand-receptor interactome, from our hypothesis-generating literature review, can be used to guide future research surrounding mechanisms of PASC-induced pain.
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Affiliation(s)
- Joseph B Lesnak
- School for Behavioral and Brain Sciences and Center for Advanced Pain Studies, University of Texas at Dallas, BSB 14.102G, Richardson, TX, 75080, USA
| | - Khadijah Mazhar
- School for Behavioral and Brain Sciences and Center for Advanced Pain Studies, University of Texas at Dallas, BSB 14.102G, Richardson, TX, 75080, USA
| | - Theodore J Price
- School for Behavioral and Brain Sciences and Center for Advanced Pain Studies, University of Texas at Dallas, BSB 14.102G, Richardson, TX, 75080, USA.
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21
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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] [What about the content of this article? (0)] [Affiliation(s)] [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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22
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Garrity R, Arora N, Haque MA, Weis D, Trinh RT, Neerukonda SV, Kumari S, Cortez I, Ubogu EE, Mahalingam R, Tavares-Ferreira D, Price TJ, Kavelaars A, Heijnen CJ, Shepherd AJ. Fibroblast-derived PI16 sustains inflammatory pain via regulation of CD206 + myeloid cells. Brain Behav Immun 2023; 112:220-234. [PMID: 37315702 PMCID: PMC10527931 DOI: 10.1016/j.bbi.2023.06.011] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 03/01/2023] [Revised: 05/26/2023] [Accepted: 06/10/2023] [Indexed: 06/16/2023] Open
Abstract
Originally identified in fibroblasts, Protease Inhibitor (PI)16 was recently shown to be crucial for the development of neuropathic pain via effects on blood-nerve barrier permeability and leukocyte infiltration, though its impact on inflammatory pain has not been established. Using the complete Freund's Adjuvant inflammatory pain model, we show that Pi16-/- mice are protected against sustained inflammatory pain. Accordingly, intrathecal delivery of a PI16 neutralizing antibody in wild-type mice prevented sustained CFA pain. In contrast to neuropathic pain models, we did not observe any changes in blood-nerve barrier permeability due to PI16 deletion. Instead, Pi16-/- mice display reduced macrophage density in the CFA-injected hindpaw. Furthermore, there was a significant bias toward CD206hi (anti-inflammatory) macrophages in the hindpaw and associated dorsal root ganglia. Following CFA, intrathecal depletion of CD206+ macrophages using mannosylated clodronate liposomes promoted sustained pain in Pi16-/- mice. Similarly, an IL-10 neutralizing antibody also promoted sustained CFA pain in the Pi16-/ when administered intrathecally. Collectively, our results point to fibroblast-derived PI16 mediating substantial differences in macrophage phenotype in the pain neuroaxis under conditions of inflammation. The co-expression of PI16 alongside fibroblast markers in human DRG raise the likelihood that a similar mechanism operates in human inflammatory pain states. Collectively, our findings may have implications for targeting fibroblast-immune cell crosstalk for the treatment of chronic pain.
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Affiliation(s)
- Rachelle Garrity
- Laboratories of Neuroimmunology, Department of Symptom Research, Division of Internal Medicine, University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Neha Arora
- Laboratories of Neuroimmunology, Department of Symptom Research, Division of Internal Medicine, University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Md Areeful Haque
- Laboratories of Neuroimmunology, Department of Symptom Research, Division of Internal Medicine, University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Drew Weis
- Laboratories of Neuroimmunology, Department of Symptom Research, Division of Internal Medicine, University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Ronnie T Trinh
- Laboratories of Neuroimmunology, Department of Symptom Research, Division of Internal Medicine, University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Sanjay V Neerukonda
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX, United States
| | - Susmita Kumari
- Laboratories of Neuroimmunology, Department of Symptom Research, Division of Internal Medicine, University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Ibdanelo Cortez
- Laboratories of Neuroimmunology, Department of Symptom Research, Division of Internal Medicine, University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Eroboghene E Ubogu
- Neuromuscular Immunopathology Research Laboratory, Division of Neuromuscular Disease, Department of Neurology, University of Alabama at Birmingham, Birmingham, AL, UK
| | - Rajasekaran Mahalingam
- Laboratories of Neuroimmunology, Department of Symptom Research, Division of Internal Medicine, University of Texas MD Anderson Cancer Center, Houston, TX, 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
| | - Annemieke Kavelaars
- Laboratories of Neuroimmunology, Department of Symptom Research, Division of Internal Medicine, University of Texas MD Anderson Cancer Center, Houston, TX, United States
| | - Cobi J Heijnen
- Laboratories of Neuroimmunology, Department of Symptom Research, Division of Internal Medicine, University of Texas MD Anderson Cancer Center, Houston, TX, United States; Department of Psychological Sciences, Rice University, Houston, TX, United States
| | - Andrew J Shepherd
- Laboratories of Neuroimmunology, Department of Symptom Research, Division of Internal Medicine, University of Texas MD Anderson Cancer Center, Houston, TX, United States.
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23
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Diaz-delCastillo M, Palasca O, Nemler TT, Thygesen DM, Chávez-Saldaña NA, Vázquez-Mora JA, Ponce Gomez LY, Jensen LJ, Evans H, Andrews RE, Mandal A, Neves D, Mehlen P, Caruso JP, Dougherty PM, Price TJ, Chantry A, Lawson MA, Andersen TL, Jimenez-Andrade JM, Heegaard AM. Metastatic Infiltration of Nervous Tissue and Periosteal Nerve Sprouting in Multiple Myeloma-Induced Bone Pain in Mice and Human. J Neurosci 2023; 43:5414-5430. [PMID: 37286351 PMCID: PMC10359036 DOI: 10.1523/jneurosci.0404-23.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/07/2023] [Revised: 04/15/2023] [Accepted: 05/12/2023] [Indexed: 06/09/2023] Open
Abstract
Multiple myeloma (MM) is a neoplasia of B plasma cells that often induces bone pain. However, the mechanisms underlying myeloma-induced bone pain (MIBP) are mostly unknown. Using a syngeneic MM mouse model, we show that periosteal nerve sprouting of calcitonin gene-related peptide (CGRP+) and growth associated protein 43 (GAP43+) fibers occurs concurrent to the onset of nociception and its blockade provides transient pain relief. MM patient samples also showed increased periosteal innervation. Mechanistically, we investigated MM induced gene expression changes in the dorsal root ganglia (DRG) innervating the MM-bearing bone of male mice and found alterations in pathways associated with cell cycle, immune response and neuronal signaling. The MM transcriptional signature was consistent with metastatic MM infiltration to the DRG, a never-before described feature of the disease that we further demonstrated histologically. In the DRG, MM cells caused loss of vascularization and neuronal injury, which may contribute to late-stage MIBP. Interestingly, the transcriptional signature of a MM patient was consistent with MM cell infiltration to the DRG. Overall, our results suggest that MM induces a plethora of peripheral nervous system alterations that may contribute to the failure of current analgesics and suggest neuroprotective drugs as appropriate strategies to treat early onset MIBP.SIGNIFICANCE STATEMENT Multiple myeloma (MM) is a painful bone marrow cancer that significantly impairs the quality of life of the patients. Analgesic therapies for myeloma-induced bone pain (MIBP) are limited and often ineffective, and the mechanisms of MIBP remain unknown. In this manuscript, we describe cancer-induced periosteal nerve sprouting in a mouse model of MIBP, where we also encounter metastasis to the dorsal root ganglia (DRG), a never-before described feature of the disease. Concomitant to myeloma infiltration, the lumbar DRGs presented blood vessel damage and transcriptional alterations, which may mediate MIBP. Explorative studies on human tissue support our preclinical findings. Understanding the mechanisms of MIBP is crucial to develop targeted analgesic with better efficacy and fewer side effects for this patient population.
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Affiliation(s)
- Marta Diaz-delCastillo
- Department of Drug Design and Pharmacology, University of Copenhagen, Copenhagen 2100, Denmark
- Department of Forensic Medicine, Aarhus University, Aarhus 8870, Denmark
- Department of Oncology & Metabolism, University of Sheffield, Sheffield S10 2RX, United Kingdom
- Mellanby Centre for Bone Research, University of Sheffield, Sheffield S10 2RX, United Kingdom
- Sheffield Teaching Hospitals, Sheffield S10 2JF, United Kingdom
- The Danish Spatial Imaging Consortium (DanSIC), Denmark
| | - Oana Palasca
- Novo Nordisk Foundation Center for Protein Research, University of Copenhagen, Copenhagen 2200, Denmark
| | - Tim T Nemler
- Department of Drug Design and Pharmacology, University of Copenhagen, Copenhagen 2100, Denmark
| | - Didde M Thygesen
- Department of Drug Design and Pharmacology, University of Copenhagen, Copenhagen 2100, Denmark
| | - Norma A Chávez-Saldaña
- Unidad Académica Multidisciplinaria Reynosa Aztlan, Autonomic University of Tamaulipas, Reynosa 88740, Mexico
| | - Juan A Vázquez-Mora
- Unidad Académica Multidisciplinaria Reynosa Aztlan, Autonomic University of Tamaulipas, Reynosa 88740, Mexico
| | - Lizeth Y Ponce Gomez
- Unidad Académica Multidisciplinaria Reynosa Aztlan, Autonomic University of Tamaulipas, Reynosa 88740, Mexico
| | - Lars Juhl Jensen
- Novo Nordisk Foundation Center for Protein Research, University of Copenhagen, Copenhagen 2200, Denmark
| | - Holly Evans
- Department of Oncology & Metabolism, University of Sheffield, Sheffield S10 2RX, United Kingdom
- Mellanby Centre for Bone Research, University of Sheffield, Sheffield S10 2RX, United Kingdom
| | - Rebecca E Andrews
- Department of Oncology & Metabolism, University of Sheffield, Sheffield S10 2RX, United Kingdom
- Mellanby Centre for Bone Research, University of Sheffield, Sheffield S10 2RX, United Kingdom
- Sheffield Teaching Hospitals, Sheffield S10 2JF, United Kingdom
| | - Aritri Mandal
- Department of Oncology & Metabolism, University of Sheffield, Sheffield S10 2RX, United Kingdom
- Mellanby Centre for Bone Research, University of Sheffield, Sheffield S10 2RX, United Kingdom
- Sheffield Teaching Hospitals, Sheffield S10 2JF, United Kingdom
| | | | - Patrick Mehlen
- NETRIS Pharma, Lyon 69008, France
- Apoptosis, Cancer and Development Laboratory-Equipe labellisée 'La Ligue,' LabEx DEVweCAN, Centre de Recherche en Cancérologie de Lyon, Lyon 69008, France
| | - James P Caruso
- Department of Neuroscience and Center for Advanced Pain, The University of Texas at Dallas, Dallas, Texas 75080
- Department of Neurological Surgery, University of Texas Southwestern Medical Center, Dallas, Texas 75390
| | - Patrick M Dougherty
- Department of Pain Medicine, Division of Anesthesiology, MD Anderson Cancer Center, Houston, Texas 77030
| | - Theodore J Price
- Department of Neuroscience and Center for Advanced Pain, The University of Texas at Dallas, Dallas, Texas 75080
| | - Andrew Chantry
- Department of Oncology & Metabolism, University of Sheffield, Sheffield S10 2RX, United Kingdom
- Mellanby Centre for Bone Research, University of Sheffield, Sheffield S10 2RX, United Kingdom
- Sheffield Teaching Hospitals, Sheffield S10 2JF, United Kingdom
| | - Michelle A Lawson
- Department of Oncology & Metabolism, University of Sheffield, Sheffield S10 2RX, United Kingdom
- Mellanby Centre for Bone Research, University of Sheffield, Sheffield S10 2RX, United Kingdom
| | - Thomas L Andersen
- Department of Forensic Medicine, Aarhus University, Aarhus 8870, Denmark
- The Danish Spatial Imaging Consortium (DanSIC), Denmark
- Department of Clinical Cell Biology, University of Southern Denmark, Odense 5230, Denmark
- Department of Clinical Pathology, Odense University Hospital, Odense 5000, Denmark
| | - Juan M Jimenez-Andrade
- Unidad Académica Multidisciplinaria Reynosa Aztlan, Autonomic University of Tamaulipas, Reynosa 88740, Mexico
| | - Anne-Marie Heegaard
- Department of Drug Design and Pharmacology, University of Copenhagen, Copenhagen 2100, Denmark
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24
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Davis OC, Price TJ. Tiam1 creates a painful link between dendritic spine remodeling and NMDA receptors. Neuron 2023; 111:1993-1995. [PMID: 37413965 DOI: 10.1016/j.neuron.2023.06.001] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2023] [Revised: 06/05/2023] [Accepted: 06/05/2023] [Indexed: 07/08/2023]
Abstract
Dendritic spine remodeling in the dorsal horn is associated with many chronic pain models. Li et al. demonstrate that Tiam1 links Rac1-mediated spine changes to NMDA receptor activity to promote behavioral signs of chronic pain in rodents.
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Affiliation(s)
- Olivia C Davis
- University of Texas at Dallas, Department of Neuroscience and Center for Advanced Pain Studies, Dallas, TX, USA
| | - Theodore J Price
- University of Texas at Dallas, Department of Neuroscience and Center for Advanced Pain Studies, Dallas, TX, USA.
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25
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Bhuiyan SA, Xu M, Yang L, Semizoglou E, Bhatia P, Pantaleo KI, Tochitsky I, Jain A, Erdogan B, Blair S, Cat V, Mwirigi JM, Sankaranarayanan I, Tavares-Ferreira D, Green U, McIlvried LA, Copits BA, Bertels Z, Del Rosario JS, Widman AJ, Slivicki RA, Yi J, Woolf CJ, Lennerz JK, Whited JL, Price TJ, Gereau RW, Renthal W. Harmonized cross-species cell atlases of trigeminal and dorsal root ganglia. bioRxiv 2023:2023.07.04.547740. [PMID: 37461736 PMCID: PMC10350076 DOI: 10.1101/2023.07.04.547740] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 07/30/2023]
Abstract
Peripheral sensory neurons in the dorsal root ganglion (DRG) and trigeminal ganglion (TG) are specialized to detect and transduce diverse environmental stimuli including touch, temperature, and pain to the central nervous system. Recent advances in single-cell RNA-sequencing (scRNA-seq) have provided new insights into the diversity of sensory ganglia cell types in rodents, non-human primates, and humans, but it remains difficult to compare transcriptomically defined cell types across studies and species. Here, we built cross-species harmonized atlases of DRG and TG cell types that describe 18 neuronal and 11 non-neuronal cell types across 6 species and 19 studies. We then demonstrate the utility of this harmonized reference atlas by using it to annotate newly profiled DRG nuclei/cells from both human and the highly regenerative axolotl. We observe that the transcriptomic profiles of sensory neuron subtypes are broadly similar across vertebrates, but the expression of functionally important neuropeptides and channels can vary notably. The new resources and data presented here can guide future studies in comparative transcriptomics, simplify cell type nomenclature differences across studies, and help prioritize targets for future pain therapy development.
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Affiliation(s)
- Shamsuddin A Bhuiyan
- Department of Neurology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
| | - Mengyi Xu
- Department of Neurology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
- Alan Edwards Center for Research on Pain and Department of Physiology, McGill University, Montreal, QC, H3G 1Y6, Canada
| | - Lite Yang
- Department of Neurology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
- Program in Neurosciences, Division of Biology and Biomedical Sciences, Washington University Pain Center and Department of Anesthesiology, Washington University School of Medicine, St Louis, Missouri 63110, USA
| | - Evangelia Semizoglou
- Department of Neurology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
| | - Parth Bhatia
- Department of Neurology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
| | - Katerina I Pantaleo
- Department of Neurology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
| | - Ivan Tochitsky
- F.M. Kirby Neurobiology Center and Department of Neurobiology, Boston Children's Hospital and Harvard Medical School, 3 Blackfan Cir. Boston, MA 02115
| | - Aakanksha Jain
- F.M. Kirby Neurobiology Center and Department of Neurobiology, Boston Children's Hospital and Harvard Medical School, 3 Blackfan Cir. Boston, MA 02115
| | - Burcu Erdogan
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts, 02138
| | - Steven Blair
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts, 02138
| | - Victor Cat
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts, 02138
| | - Juliet M Mwirigi
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, 800 W Campbell Rd, Richardson, TX, 75080
| | - Ishwarya Sankaranarayanan
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, 800 W Campbell Rd, Richardson, TX, 75080
| | - Diana Tavares-Ferreira
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, 800 W Campbell Rd, Richardson, TX, 75080
| | - Ursula Green
- Department of Pathology, Center for Integrated Diagnostics, Massachussetts General Hospital and Havard Medical School, Boston, MA 02114
| | - Lisa A McIlvried
- Program in Neurosciences, Division of Biology and Biomedical Sciences, Washington University Pain Center and Department of Anesthesiology, Washington University School of Medicine, St Louis, Missouri 63110, USA
| | - Bryan A Copits
- Program in Neurosciences, Division of Biology and Biomedical Sciences, Washington University Pain Center and Department of Anesthesiology, Washington University School of Medicine, St Louis, Missouri 63110, USA
| | - Zachariah Bertels
- Program in Neurosciences, Division of Biology and Biomedical Sciences, Washington University Pain Center and Department of Anesthesiology, Washington University School of Medicine, St Louis, Missouri 63110, USA
| | - John S Del Rosario
- Program in Neurosciences, Division of Biology and Biomedical Sciences, Washington University Pain Center and Department of Anesthesiology, Washington University School of Medicine, St Louis, Missouri 63110, USA
| | - Allie J Widman
- Program in Neurosciences, Division of Biology and Biomedical Sciences, Washington University Pain Center and Department of Anesthesiology, Washington University School of Medicine, St Louis, Missouri 63110, USA
| | - Richard A Slivicki
- Program in Neurosciences, Division of Biology and Biomedical Sciences, Washington University Pain Center and Department of Anesthesiology, Washington University School of Medicine, St Louis, Missouri 63110, USA
| | - Jiwon Yi
- Program in Neurosciences, Division of Biology and Biomedical Sciences, Washington University Pain Center and Department of Anesthesiology, Washington University School of Medicine, St Louis, Missouri 63110, USA
| | - Clifford J Woolf
- F.M. Kirby Neurobiology Center and Department of Neurobiology, Boston Children's Hospital and Harvard Medical School, 3 Blackfan Cir. Boston, MA 02115
| | - Jochen K Lennerz
- Department of Pathology, Center for Integrated Diagnostics, Massachussetts General Hospital and Havard Medical School, Boston, MA 02114
| | - Jessica L Whited
- Department of Stem Cell and Regenerative Biology, Harvard University, Cambridge, Massachusetts, 02138
| | - Theodore J Price
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, 800 W Campbell Rd, Richardson, TX, 75080
| | - Robert W Gereau
- Program in Neurosciences, Division of Biology and Biomedical Sciences, Washington University Pain Center and Department of Anesthesiology, Washington University School of Medicine, St Louis, Missouri 63110, USA
| | - William Renthal
- Department of Neurology, Brigham and Women's Hospital and Harvard Medical School, Boston, MA 02115, USA
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McIlvried LA, Del Rosario JS, Pullen MY, Wangzhou A, Sheahan TD, Shepherd AJ, Slivicki RA, Lemen JA, Price TJ, Copits BA, Gereau RW. Intrinsic Homeostatic Plasticity in Mouse and Human Sensory Neurons. bioRxiv 2023:2023.06.13.544829. [PMID: 37398430 PMCID: PMC10312743 DOI: 10.1101/2023.06.13.544829] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/04/2023]
Abstract
In response to changes in activity induced by environmental cues, neurons in the central nervous system undergo homeostatic plasticity to sustain overall network function during abrupt changes in synaptic strengths. Homeostatic plasticity involves changes in synaptic scaling and regulation of intrinsic excitability. Increases in spontaneous firing and excitability of sensory neurons are evident in some forms of chronic pain in animal models and human patients. However, whether mechanisms of homeostatic plasticity are engaged in sensory neurons under normal conditions or altered after chronic pain is unknown. Here, we showed that sustained depolarization induced by 30mM KCl induces a compensatory decrease in the excitability in mouse and human sensory neurons. Moreover, voltage-gated sodium currents are robustly reduced in mouse sensory neurons contributing to the overall decrease in neuronal excitability. Decreased efficacy of these homeostatic mechanisms could potentially contribute to the development of the pathophysiology of chronic pain.
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Affiliation(s)
- Lisa A. McIlvried
- Washington University Pain Center and Department of Anesthesiology; Washington University School of Medicine; St. Louis, MO, 63110; USA
- These authors contributed equally
| | - John Smith Del Rosario
- Washington University Pain Center and Department of Anesthesiology; Washington University School of Medicine; St. Louis, MO, 63110; USA
- These authors contributed equally
| | - Melanie Y. Pullen
- Washington University Pain Center and Department of Anesthesiology; Washington University School of Medicine; St. Louis, MO, 63110; USA
| | - Andi Wangzhou
- Department of Neuroscience and Center for Advanced Pain Studies; The University of Texas at Dallas; Dallas, TX, 75080; USA
| | - Tayler D. Sheahan
- Washington University Pain Center and Department of Anesthesiology; Washington University School of Medicine; St. Louis, MO, 63110; USA
| | - Andrew J. Shepherd
- Washington University Pain Center and Department of Anesthesiology; Washington University School of Medicine; St. Louis, MO, 63110; USA
| | - Richard A. Slivicki
- Washington University Pain Center and Department of Anesthesiology; Washington University School of Medicine; St. Louis, MO, 63110; USA
| | | | - Theodore J. Price
- Department of Neuroscience and Center for Advanced Pain Studies; The University of Texas at Dallas; Dallas, TX, 75080; USA
| | - Bryan A. Copits
- Washington University Pain Center and Department of Anesthesiology; Washington University School of Medicine; St. Louis, MO, 63110; USA
| | - Robert W. Gereau
- Washington University Pain Center and Department of Anesthesiology; Washington University School of Medicine; St. Louis, MO, 63110; USA
- Department of Neuroscience and Department of Biomedical Engineering; Washington University School of Medicine; St. Louis, MO, 63110; USA
- Lead contact
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Li Y, Uhelski ML, North RY, Mwirigi JM, Tatsui CE, Cata JP, Corrales G, Price TJ, Dougherty PM. MNK inhibitor eFT508 (Tomivosertib) suppresses ectopic activity in human dorsal root ganglion neurons from dermatomes with radicular neuropathic pain. bioRxiv 2023:2023.06.13.544811. [PMID: 37398249 PMCID: PMC10312735 DOI: 10.1101/2023.06.13.544811] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 07/04/2023]
Abstract
Spontaneous activity in dorsal root ganglion (DRG) neurons is a key driver of neuropathic pain in preclinical models and in patients suffering from this largely untreated disease. While many intracellular signaling mechanisms have been examined in preclinical models that drive this spontaneous activity (SA), none of these have been tested directly on spontaneously active human nociceptors. Using cultured DRG neurons recovered during thoracic vertebrectomy surgeries, we show that inhibition of mitogen activated protein kinase interacting kinase (MNK) with eFT508 (25 nM) reverses SA in human sensory neurons associated with painful dermatomes. MNK inhibition in spontaneously active nociceptors decreased action potential amplitude and produced alterations in the magnitude of afterhyperpolarizing currents suggesting modification of Na+ and K+ channel activity downstream of MNK inhibition. The effects of MNK inhibition on SA took minutes to emerge and were reversible over time with eFT508 washout. MNK inhibition with eFT508 led to a profound loss of eIF4E Serine 209 phosphorylation, a specific target of the kinase, within 2 min of drug treatment, consistent with the rapid action of the drug on SA in electrophysiology experiments. Our results create a compelling case for the future testing of MNK inhibitors in clinical trials for neuropathic pain.
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Affiliation(s)
- Yan Li
- Department of Anesthesia and Pain Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA, 77030
| | - Megan L. Uhelski
- Department of Anesthesia and Pain Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA, 77030
| | - Robert Y. North
- Department of Neurosurgery, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA, 77030
| | - Juliet M. Mwirigi
- School of Behavioral and Brain Sciences, The University of Texas at Dallas, 800 W Campbell Rd, Richardson, Texas, 75080
- Center for Advanced Pain Studies, The University of Texas at Dallas, 800 W Campbell Rd, Richardson, Texas, 75080
| | - Claudio E. Tatsui
- Department of Neurosurgery, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA, 77030
| | - Juan P. Cata
- Department of Anesthesiology & Perioperative Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA, 77030
| | - German Corrales
- Department of Anesthesiology & Perioperative Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA, 77030
| | - Theodore J. Price
- School of Behavioral and Brain Sciences, The University of Texas at Dallas, 800 W Campbell Rd, Richardson, Texas, 75080
- Center for Advanced Pain Studies, The University of Texas at Dallas, 800 W Campbell Rd, Richardson, Texas, 75080
| | - Patrick M. Dougherty
- Department of Anesthesia and Pain Medicine, The University of Texas MD Anderson Cancer Center, Houston, Texas, USA, 77030
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Franco-Enzástiga Ú, Natarajan K, David ET, Patel KJ, Ravirala A, Price TJ. Vinorelbine causes a neuropathic pain-like state in mice via STING and MNK1 signaling associated with type I interferon induction. bioRxiv 2023:2023.06.03.543579. [PMID: 37333411 PMCID: PMC10274710 DOI: 10.1101/2023.06.03.543579] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/20/2023]
Abstract
Type I interferons (IFNs) increase the excitability of dorsal root ganglion (DRG) neurons via activation of MNK-eIF4E translation signaling to promote pain sensitization in mice. Activation of STING signaling is a key component of type I IFN induction. Manipulation of STING signaling is an active area of investigation in cancer and other therapeutic areas. Vinorelbine is a chemotherapeutic that activates STING and has been shown to cause pain and neuropathy in oncology clinical trials in patients. There are conflicting reports on whether STING signaling promotes or inhibits pain in mice. We hypothesized that vinorelbine would cause a neuropathic pain-like state in mice via STING and signaling pathways in DRG neurons associated with type I IFN induction. Vinorelbine (10 mg/kg, i.v.) induced tactile allodynia and grimacing in WT male and female mice and increased p-IRF3 and type I IFN protein in peripheral nerves. In support of our hypothesis, vinorelbine-mediated pain was absent in male and female StingGt/Gt mice. Vinorelbine also failed to induce IRF3 and type I IFN signaling in these mice. Since type I IFNs engage translational control via MNK1-eIF4E in DRG nociceptors, we assessed vinorelbine-mediated p-eIF4E changes. Vinorelbine increased p-eIF4E in DRG in WT animals but not in StingGt/Gt or Mknk1-/- (MNK1 KO) mice. Consistent with these biochemical findings, vinorelbine had an attenuated pro-nociceptive effect in male and female MNK1 KO mice. Our findings support the conclusion that activation of STING signaling in the peripheral nervous system causes a neuropathic pain-like state that is mediated by type I IFN signaling to DRG nociceptors.
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Affiliation(s)
- Úrzula Franco-Enzástiga
- Center for Advanced Pain Studies, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, Texas 75080
| | - Keerthana Natarajan
- Center for Advanced Pain Studies, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, Texas 75080
| | - Eric T. David
- Center for Advanced Pain Studies, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, Texas 75080
| | - Krish J. Patel
- Center for Advanced Pain Studies, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, Texas 75080
| | - Abhira Ravirala
- Center for Advanced Pain Studies, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, Texas 75080
| | - Theodore J. Price
- Center for Advanced Pain Studies, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, Texas 75080
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Mitchell ME, Cook LC, Shiers S, Tavares-Ferreira D, Akopian AN, Dussor G, Price TJ. Characterization of Fragile X Mental Retardation Protein expression in human nociceptors and their axonal projections to the spinal dorsal horn. J Comp Neurol 2023; 531:814-835. [PMID: 36808110 PMCID: PMC10038933 DOI: 10.1002/cne.25463] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/19/2022] [Revised: 12/20/2022] [Accepted: 01/27/2023] [Indexed: 02/23/2023]
Abstract
Fragile X Mental Retardation Protein (FMRP) regulates activity-dependent RNA localization and local translation to modulate synaptic plasticity throughout the central nervous system. Mutations in the FMR1 gene that hinder or ablate FMRP function cause Fragile X Syndrome (FXS), a disorder associated with sensory processing dysfunction. FXS premutations are associated with increased FMRP expression and neurological impairments including sex dimorphic presentations of chronic pain. In mice, FMRP ablation causes dysregulated dorsal root ganglion (DRG) neuron excitability and synaptic vesicle exocytosis, spinal circuit activity, and decreased translation-dependent nociceptive sensitization. Activity-dependent, local translation is a key mechanism for enhancing primary nociceptor excitability that promotes pain in animals and humans. These works indicate that FMRP likely regulates nociception and pain at the level of the primary nociceptor or spinal cord. Therefore, we sought to better understand FMRP expression in the human DRG and spinal cord using immunostaining in organ donor tissues. We find that FMRP is highly expressed in DRG and spinal neuron subsets with substantia gelatinosa exhibiting the most abundant immunoreactivity in spinal synaptic fields. Here, it is expressed in nociceptor axons. FMRP puncta colocalized with Nav1.7 and TRPV1 receptor signals suggesting a pool of axoplasmic FMRP localizes to plasma membrane-associated loci in these branches. Interestingly, FMRP puncta exhibited notable colocalization with calcitonin gene-related peptide (CGRP) immunoreactivity selectively in female spinal cord. Our results support a regulatory role for FMRP in human nociceptor axons of the dorsal horn and implicate it in the sex dimorphic actions of CGRP signaling in nociceptive sensitization and chronic pain.
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Affiliation(s)
- Molly E Mitchell
- Center for Advanced Pain Studies, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, Texas, USA
| | - Lauren C Cook
- Center for Advanced Pain Studies, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, Texas, USA
| | - Stephanie Shiers
- Center for Advanced Pain Studies, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, Texas, USA
| | - Diana Tavares-Ferreira
- Center for Advanced Pain Studies, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, Texas, USA
| | - Armen N Akopian
- Department of Endodontics, UT Health San Antonio, San Antonio, Texas, USA
| | - Gregory Dussor
- Center for Advanced Pain Studies, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, Texas, USA
| | - Theodore J Price
- Center for Advanced Pain Studies, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, Texas, USA
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Rodríguez-Palma EJ, De la Luz-Cuellar YE, Islas-Espinoza AM, Félix-Leyva AE, Shiers SI, García G, Torres-Lopez JE, Delgado-Lezama R, Murbartián J, Price TJ, Granados-Soto V. Activation of α 6 -containing GABA A receptors induces antinociception under physiological and pathological conditions. Pain 2023; 164:948-966. [PMID: 36001074 PMCID: PMC9950299 DOI: 10.1097/j.pain.0000000000002763] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Accepted: 08/15/2022] [Indexed: 11/26/2022]
Abstract
ABSTRACT The loss of GABAergic inhibition is a mechanism that underlies neuropathic pain. Therefore, rescuing the GABAergic inhibitory tone through the activation of GABA A receptors is a strategy to reduce neuropathic pain. This study was designed to elucidate the function of the spinal α 6 -containing GABA A receptor in physiological conditions and neuropathic pain in female and male rats. Results show that α 6 -containing GABA A receptor blockade or transient α 6 -containing GABA A receptor knockdown induces evoked hypersensitivity and spontaneous pain in naive female rats. The α 6 subunit is expressed in IB4 + and CGRP + primary afferent neurons in the rat spinal dorsal horn and dorsal root ganglia but not astrocytes. Nerve injury reduces α 6 subunit protein expression in the central terminals of the primary afferent neurons and dorsal root ganglia, whereas intrathecal administration of positive allosteric modulators of the α 6 -containing GABA A receptor reduces tactile allodynia and spontaneous nociceptive behaviors in female, but not male, neuropathic rats and mice. Overexpression of the spinal α 6 subunit reduces tactile allodynia and restores α 6 subunit expression in neuropathic rats. Positive allosteric modulators of the α 6 -containing GABA A receptor induces a greater antiallodynic effect in female rats and mice compared with male rats and mice. Finally, α 6 subunit is expressed in humans. This receptor is found in CGRP + and P2X3 + primary afferent fibers but not astrocytes in the human spinal dorsal horn. Our results suggest that the spinal α 6 -containing GABA A receptor has a sex-specific antinociceptive role in neuropathic pain, suggesting that this receptor may represent an interesting target to develop a novel treatment for neuropathic pain.
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Affiliation(s)
- Erick J. Rodríguez-Palma
- Neurobiology of Pain Laboratory, Departamento de Farmacobiología, Cinvestav, South Campus, Mexico City, Mexico
| | - Yarim E. De la Luz-Cuellar
- Neurobiology of Pain Laboratory, Departamento de Farmacobiología, Cinvestav, South Campus, Mexico City, Mexico
| | - Ana M. Islas-Espinoza
- Neurobiology of Pain Laboratory, Departamento de Farmacobiología, Cinvestav, South Campus, Mexico City, Mexico
| | - Adalberto E. Félix-Leyva
- Neurobiology of Pain Laboratory, Departamento de Farmacobiología, Cinvestav, South Campus, Mexico City, Mexico
- Facultad de Biología, Universidad Autónoma de Sinaloa, Culiacán, Sinaloa, Mexico
| | - Stephanie I. Shiers
- School of Behavioral and Brain Sciences, Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX, USA
| | - Guadalupe García
- Departamento de Farmacobiología, Cinvestav, South Campus, Mexico City, Mexico
| | - Jorge E. Torres-Lopez
- Laboratorio de Mecanismos de Dolor, División Académica de Ciencias de la Salud, Universidad Juárez Autónoma de Tabasco, Villahermosa, Tabasco, Mexico
| | - Rodolfo Delgado-Lezama
- Departamento de Fisiología, Biofísica y Neurociencias, Cinvestav, Zacatenco, Mexico City, Mexico
| | - Janet Murbartián
- Departamento de Farmacobiología, Cinvestav, South Campus, Mexico City, Mexico
| | - Theodore J. Price
- School of Behavioral and Brain Sciences, Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX, USA
| | - Vinicio Granados-Soto
- Neurobiology of Pain Laboratory, Departamento de Farmacobiología, Cinvestav, South Campus, Mexico City, Mexico
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Mason BN, Hassler SN, DeFea K, Boitano S, Vagner J, Price TJ, Dussor G. PAR2 activation in the dura causes acute behavioral responses and priming to glyceryl trinitrate in a mouse migraine model. J Headache Pain 2023; 24:42. [PMID: 37072694 PMCID: PMC10114383 DOI: 10.1186/s10194-023-01574-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/28/2022] [Accepted: 04/03/2023] [Indexed: 04/20/2023] Open
Abstract
BACKGROUND Migraine is a severely debilitating disorder that affects millions of people worldwide. Studies have indicated that activation of protease-activated receptor-2 (PAR2) in the dura mater causes headache responses in preclinical models. It is also well known that vasodilators such as nitric oxide (NO) donors can trigger migraine attacks in migraine patients but not controls. In the current study we examined whether activation of PAR2 in the dura causes priming to the NO donor glyceryl trinitrate (GTN). METHODS A preclinical behavioral model of migraine was used where stimuli (PAR2 agonists: 2at-LIGRL-NH2 (2AT) or neutrophil elastase (NE); and IL-6) were applied to the mouse dura through an injection made at the intersection of the lamdoidal and sagittal sutures on the skull. Following dural injection, periorbital von Frey thresholds and facial grimace responses were measured until their return to baseline. GTN was then given by intraperitoneal injection and periorbital hypersensitivity and facial grimace responses observed until they returned to baseline. RESULTS We found that application of the selective PAR2 agonist 2at-LIGRL-NH2 (2AT) onto the dura causes headache-related behavioral responses in WT but not PAR2-/- mice with no differences between sexes. Additionally, dural PAR2 activation with 2AT caused priming to GTN (1 mg/kg) at 14 days after primary dural stimulation. PAR2-/- mice showed no priming to GTN. We also tested behavioral responses to the endogenous protease neutrophil elastase, which can cleave and activate PAR2. Dural neutrophil elastase caused both acute responses and priming to GTN in WT but not PAR2-/- mice. Finally, we show that dural IL-6 causes acute responses and priming to GTN that is identical in WT and PAR2-/- mice, indicating that IL-6 does not act through PAR2 in this model. CONCLUSIONS These results indicate that PAR2 activation in the meninges can cause acute headache behavioral responses and priming to an NO donor, and support further exploration of PAR2 as a novel therapeutic target for migraine.
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Affiliation(s)
- Bianca N Mason
- Department of Neuroscience, University of Texas at Dallas, 800 West Campbell Rd, Richardson, TX, 75080, USA
- Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX, 75080, USA
| | - Shayne N Hassler
- Department of Neuroscience, University of Texas at Dallas, 800 West Campbell Rd, Richardson, TX, 75080, USA
| | | | - Scott Boitano
- Department of Physiology, University of Arizona, Tucson, 85724, USA
| | - Josef Vagner
- Bio5 Institute, University of Arizona, Tucson, AZ, 85724, USA
| | - Theodore J Price
- Department of Neuroscience, University of Texas at Dallas, 800 West Campbell Rd, Richardson, TX, 75080, USA
- Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX, 75080, USA
| | - Greg Dussor
- Department of Neuroscience, University of Texas at Dallas, 800 West Campbell Rd, Richardson, TX, 75080, USA.
- Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX, 75080, USA.
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32
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de la Peña JB, Chase R, Kunder N, Smith PR, Lou TF, Stanowick A, Suresh P, Shukla T, Butcher SE, Price TJ, Campbell ZT. Inhibition of Nonsense-Mediated Decay Induces Nociceptive Sensitization through Activation of the Integrated Stress Response. J Neurosci 2023; 43:2921-2933. [PMID: 36894318 PMCID: PMC10124962 DOI: 10.1523/jneurosci.1604-22.2023] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Revised: 02/20/2023] [Accepted: 03/01/2023] [Indexed: 03/11/2023] Open
Abstract
RNA stability is meticulously controlled. Here, we sought to determine whether an essential post-transcriptional regulatory mechanism plays a role in pain. Nonsense-mediated decay (NMD) safeguards against translation of mRNAs that harbor premature termination codons and controls the stability of ∼10% of typical protein-coding mRNAs. It hinges on the activity of the conserved kinase SMG1. Both SMG1 and its target, UPF1, are expressed in murine DRG sensory neurons. SMG1 protein is present in both the DRG and sciatic nerve. Using high-throughput sequencing, we examined changes in mRNA abundance following inhibition of SMG1. We confirmed multiple NMD stability targets in sensory neurons, including ATF4. ATF4 is preferentially translated during the integrated stress response (ISR). This led us to ask whether suspension of NMD induces the ISR. Inhibition of NMD increased eIF2-α phosphorylation and reduced the abundance of the eIF2-α phosphatase constitutive repressor of eIF2-α phosphorylation. Finally, we examined the effects of SMG1 inhibition on pain-associated behaviors. Peripheral inhibition of SMG1 results in mechanical hypersensitivity in males and females that persists for several days and priming to a subthreshold dose of PGE2. Priming was fully rescued by a small-molecule inhibitor of the ISR. Collectively, our results indicate that suspension of NMD promotes pain through stimulation of the ISR.SIGNIFICANCE STATEMENT Nociceptors undergo long-lived changes in their plasticity which may contribute to chronic pain. Translational regulation has emerged as a dominant mechanism in pain. Here, we investigate the role of a major pathway of RNA surveillance called nonsense-mediated decay (NMD). Modulation of NMD is potentially beneficial for a broad array of diseases caused by frameshift or nonsense mutations. Our results suggest that inhibition of the rate-limiting step of NMD drives behaviors associated with pain through activation of the ISR. This work reveals complex interconnectivity between RNA stability and translational regulation and suggests an important consideration in harnessing the salubrious benefits of NMD disruption.
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Affiliation(s)
- June Bryan de la Peña
- Department of Anesthesiology, University of Wisconsin-Madison, Madison, Wisconsin 53792
| | - Rebecca Chase
- Department of Biological Sciences, University of Texas at Dallas, Richardson, Texas 75080
| | - Nikesh Kunder
- Department of Biological Sciences, University of Texas at Dallas, Richardson, Texas 75080
| | - Patrick R Smith
- Department of Anesthesiology, University of Wisconsin-Madison, Madison, Wisconsin 53792
| | - Tzu-Fang Lou
- Department of Biological Sciences, University of Texas at Dallas, Richardson, Texas 75080
| | - Alexander Stanowick
- Department of Biological Sciences, University of Texas at Dallas, Richardson, Texas 75080
| | - Prarthana Suresh
- Department of Biological Sciences, University of Texas at Dallas, Richardson, Texas 75080
| | - Tarjani Shukla
- Department of Anesthesiology, University of Wisconsin-Madison, Madison, Wisconsin 53792
| | - Samuel E Butcher
- Department of Biochemistry, University of Wisconsin-Madison, Madison, Wisconsin 53792
| | - Theodore J Price
- Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, Texas 75080
- Department of Neuroscience, University of Texas at Dallas, Richardson, Texas 75080
| | - Zachary T Campbell
- Department of Anesthesiology, University of Wisconsin-Madison, Madison, Wisconsin 53792
- Department of Biomolecular Chemistry, University of Wisconsin-Madison, Madison, Wisconsin 53792
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Kume M, Ahmad A, Shiers S, Burton MD, DeFea KA, Vagner J, Dussor G, Boitano S, Price TJ. C781, a β-Arrestin Biased Antagonist at Protease-Activated Receptor-2 (PAR2), Displays in vivo Efficacy Against Protease-Induced Pain in Mice. J Pain 2023; 24:605-616. [PMID: 36417966 PMCID: PMC10079573 DOI: 10.1016/j.jpain.2022.11.006] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/15/2022] [Revised: 11/02/2022] [Accepted: 11/09/2022] [Indexed: 11/21/2022]
Abstract
Given the limited options and often harmful side effects of current analgesics and the suffering caused by the opioid crisis, new classes of pain therapeutics are needed. Protease-activated receptors (PARs), particularly PAR2, are implicated in a variety of pathologies, including pain. Since the discovery of the role of PAR2 in pain, development of potent and specific antagonists has been slow. In this study, we describe the in vivo characterization of a novel small molecule/peptidomimetic hybrid compound, C781, as a β-arrestin-biased PAR2 antagonist. In vivo behavioral studies were done in mice using von Frey filaments and the Mouse Grimace Scale. Pharmacokinetic studies were done to assess pharmacokinetic/pharmacodynamic relationship in vivo. We used both prevention and reversal paradigms with protease treatment to determine whether C781 could attenuate protease-evoked pain. C781 effectively prevented and reversed mechanical and spontaneous nociceptive behaviors in response to small molecule PAR2 agonists, mast cell activators, and neutrophil elastase. The ED50 of C781 (intraperitoneal dosing) for inhibition of PAR2 agonist (20.9 ng 2-AT)-evoked nociception was 6.3 mg/kg. C781 was not efficacious in the carrageenan inflammation model. Pharmacokinetic studies indicated limited long-term systemic bioavailability for C781 suggesting that optimizing pharmacokinetic properties could improve in vivo efficacy. Our work demonstrates in vivo efficacy of a biased PAR2 antagonist that selectively inhibits β-arrestin/MAPK signaling downstream of PAR2. Given the importance of this signaling pathway in PAR2-evoked nociception, C781 exemplifies a key pharmacophore for PAR2 that can be optimized for clinical development. PERSPECTIVE: Our work provides evidence that PAR2 antagonists that only block certain aspects of signaling by the receptor can be effective for blocking protease-evoked pain in mice. This is important because it creates a rationale for developing safer PAR2-targeting approaches for pain treatment.
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Affiliation(s)
- Moeno Kume
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, Texas
| | - Ayesha Ahmad
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, Texas
| | - Stephanie Shiers
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, Texas
| | - Michael D Burton
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, Texas
| | | | - Josef Vagner
- University of Arizona Bio5 Institute, Tucson, Arizona
| | - Gregory Dussor
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, Texas
| | - Scott Boitano
- University of Arizona Bio5 Institute, Tucson, Arizona; Asthma and Airway Disease Research Center, University of Arizona Heath Sciences, Tucson, Arizona; Department of Physiology, University of Arizona Heath Sciences, Tucson, Arizona
| | - Theodore J Price
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, Texas.
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Elahi H, Hassler S, Shiers SI, Loucks J, Arjarapu R, Kume M, Dalva M, Price TJ. The Role Of An Extracellular Kinase In NMDAR-Dependent Pain. The Journal of Pain 2023. [DOI: 10.1016/j.jpain.2023.02.038] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/07/2023]
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Hong V, Rade A, Ehsan T, Yousuf MS, Liebl DJ, Price TJ, Kolber BJ. The Role Of Sigma-2/TMEM97 In The Context Of Affective And Pain Behaviors. The Journal of Pain 2023. [DOI: 10.1016/j.jpain.2023.02.136] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 04/07/2023]
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Shiers S, Sahn JJ, Price TJ. MNK1 and MNK2 Expression in the Human Dorsal Root and Trigeminal Ganglion. Neuroscience 2023; 515:96-107. [PMID: 36764601 DOI: 10.1016/j.neuroscience.2023.01.039] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/05/2023] [Revised: 01/28/2023] [Accepted: 01/31/2023] [Indexed: 02/11/2023]
Abstract
Mitogen activated protein kinase interacting kinases (MNK) 1 and 2 are serine/threonine protein kinases that play an important role in translation of mRNAs through their phosphorylation of the RNA 5'-cap binding protein, eukaryotic translation initiation factor (eIF) 4E. These kinases are downstream targets for mitogen activated protein kinases (MAPKs), extracellular activity regulated protein kinase (ERK) and p38. MNKs have been implicated in the sensitization of peripheral nociceptors of the dorsal root and trigeminal ganglion (DRG and TG) using transgenic mouse lines and through the use of specific inhibitors of MNK1 and MNK2. While specific knockout of the Mknk1 gene suggests that it is the key isoform for regulation of nociceptor excitability and nociceptive behaviors in mice, both MKNK1 and MKNK2 genes are expressed in the DRG and TG of mice and humans based on RNA sequencing experiments. Single cell sequencing in mice suggests that Mknk1 and Mknk2 may be expressed in different populations of nociceptors. We sought to characterize mRNA expression in human DRG and TG (N = 3 ganglia for both DRG and TG) for both MNK1 and MNK2. Our results show that both genes are expressed by nearly all neurons in both human ganglia with expression in other cell types as well. Our findings provide evidence that MNK1 and MNK2 are expressed by human nociceptors of males and females and suggest that efforts to pharmacologically target MNKs for pain would likely be translatable due its conserved expression in both species.
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Affiliation(s)
- Stephanie Shiers
- Center for Advanced Pain Studies, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX, USA
| | | | - Theodore J Price
- Center for Advanced Pain Studies, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX, USA.
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Sankaranarayanan I, Tavares-Ferreira D, He L, Kume M, Mwirigi JM, Madsen TM, Petersen KA, Munro G, Price TJ. Meteorin Alleviates Paclitaxel-Induced Peripheral Neuropathic Pain in Mice. J Pain 2023; 24:555-567. [PMID: 36336327 PMCID: PMC10079550 DOI: 10.1016/j.jpain.2022.10.015] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/17/2022] [Revised: 10/25/2022] [Accepted: 10/26/2022] [Indexed: 11/05/2022]
Abstract
Chemotherapy-induced peripheral neuropathy is a challenging condition to treat, and arises due to severe, dose-limiting toxicity of chemotherapeutic drugs such as paclitaxel. This often results in debilitating sensory and motor deficits that are not effectively prevented or alleviated by existing therapeutic interventions. Recent studies have demonstrated the therapeutic effects of Meteorin, a neurotrophic factor, in reversing neuropathic pain in rodent models of peripheral nerve injury induced by physical trauma. Here, we sought to investigate the potential antinociceptive effects of recombinant mouse Meteorin (rmMeteorin) using a paclitaxel-induced peripheral neuropathy model in male and female mice. Paclitaxel treatment (4 × 4 mg/kg, i.p.) induced hind paw mechanical hypersensitivity by day 8 after treatment. Thereafter, in a reversal dosing paradigm, five repeated injections of rmMeteorin (.5 and 1.8 mg/kg s.c. respectively) administered over 9 days produced a significant and long-lasting attenuation of mechanical hypersensitivity in both sexes. Additionally, administration of rmMeteorin ( .5 and 1.8 mg/kg), initiated before and during paclitaxel treatment (prevention dosing paradigm), reduced the establishment of hind paw mechanical hypersensitivity. Repeated systemic administration of rmMeteorin in both dosing paradigms decreased histochemical signs of satellite glial cell reactivity as measured by glutamine synthetase and connexin 43 protein expression in the dorsal root ganglion. Additionally, in the prevention administration paradigm rmMeteorin had a protective effect against paclitaxel-induced loss of intraepidermal nerve fibers. Our findings indicate that rmMeteorin has a robust and sustained antinociceptive effect in the paclitaxel-induced peripheral neuropathy model and the development of recombinant human Meteorin could be a novel and effective therapeutic for chemotherapy-induced peripheral neuropathy treatment. PERSPECTIVE: Chemotherapy neuropathy is a major clinical problem that decreases quality of life for cancer patients and survivors. Our experiments demonstrate that Meteorin treatment alleviates pain-related behaviors, and signs of neurotoxicity in a mouse model of paclitaxel neuropathy.
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Affiliation(s)
- Ishwarya Sankaranarayanan
- Pain Neurobiology Research Group, Department of Neuroscience, Center for Advanced Pain Studies, School of Behavioural and Brain Sciences, University of Texas at Dallas, Richardson, Texas
| | - Diana Tavares-Ferreira
- Pain Neurobiology Research Group, Department of Neuroscience, Center for Advanced Pain Studies, School of Behavioural and Brain Sciences, University of Texas at Dallas, Richardson, Texas
| | - Lucy He
- Pain Neurobiology Research Group, Department of Neuroscience, Center for Advanced Pain Studies, School of Behavioural and Brain Sciences, University of Texas at Dallas, Richardson, Texas
| | - Moeno Kume
- Pain Neurobiology Research Group, Department of Neuroscience, Center for Advanced Pain Studies, School of Behavioural and Brain Sciences, University of Texas at Dallas, Richardson, Texas
| | - Juliet M Mwirigi
- Pain Neurobiology Research Group, Department of Neuroscience, Center for Advanced Pain Studies, School of Behavioural and Brain Sciences, University of Texas at Dallas, Richardson, Texas
| | | | | | | | - Theodore J Price
- Pain Neurobiology Research Group, Department of Neuroscience, Center for Advanced Pain Studies, School of Behavioural and Brain Sciences, University of Texas at Dallas, Richardson, Texas.
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Shen BQ, Sankaranarayanan I, Price TJ, Tavares-Ferreira D. Sex-differences in prostaglandin signaling: a semi-systematic review and characterization of PTGDS expression in human sensory neurons. Sci Rep 2023; 13:4670. [PMID: 36949072 PMCID: PMC10033690 DOI: 10.1038/s41598-023-31603-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Accepted: 03/14/2023] [Indexed: 03/24/2023] Open
Abstract
There is increasing evidence of sex differences in underlying mechanisms causing pain in preclinical models, and in clinical populations. There are also important disconnects between clinical pain populations and the way preclinical pain studies are conducted. For instance, osteoarthritis pain more frequently affects women, but most preclinical studies have been conducted using males in animal models. The most widely used painkillers, nonsteroidal anti-inflammatory drugs (NSAIDs), act on the prostaglandin pathway by inhibiting cyclooxygenase (COX) enzymes. The purpose of this study was to analyze the preclinical and clinical literature on the role of prostaglandins and COX in inflammation and pain. We aimed to specifically identify studies that used both sexes and investigate whether any sex-differences in the action of prostaglandins and COX inhibition had been reported, either in clinical or preclinical studies. We conducted a PubMed search and identified 369 preclinical studies and 100 clinical studies that matched our inclusion/exclusion criteria. Our analysis shows that only 17% of preclinical studies on prostaglandins used both sexes and, out of those, only 19% analyzed or reported data separated by sex. In contrast, 79% of the clinical studies analyzed used both sexes. However, only 6% of those reported data separated by sex. Interestingly, 14 out of 15 preclinical studies and 5 out of 6 clinical studies that analyzed data separated by sex have identified sex-differences. This builds on the increasing evidence of sex-differences in prostaglandin signaling and the importance of sex as a biological variable in data analysis. The preclinical literature identifies a sex difference in prostaglandin D2 synthase (PTGDS) expression where it is higher in female than in male rodents in the nervous system. We experimentally validated that PTGDS expression is higher in female human dorsal root ganglia (DRG) neurons recovered from organ donors. Our semi-systematic literature review reveals a need for continued inclusivity of both male and female animals in prostaglandins studies and data analysis separated by sex in preclinical and clinical studies. Our finding of sex-differences in neuronal PTGDS expression in humans exemplifies the need for a more comprehensive understanding of how the prostaglandin system functions in the DRG in rodents and humans.
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Affiliation(s)
- Breanna Q Shen
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, 800 W Campbell Rd, Richardson, TX, 75080, USA
| | - Ishwarya Sankaranarayanan
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, 800 W Campbell Rd, Richardson, TX, 75080, USA
| | - Theodore J Price
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, 800 W Campbell Rd, Richardson, TX, 75080, USA.
| | - Diana Tavares-Ferreira
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, 800 W Campbell Rd, Richardson, TX, 75080, USA.
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Schiff HV, Rivas CM, Pederson WP, Sandoval E, Gillman S, Prisco J, Kume M, Dussor G, Vagner J, Ledford JG, Price TJ, DeFea KA, Boitano S. β-Arrestin-biased proteinase-activated receptor-2 antagonist C781 limits allergen-induced airway hyperresponsiveness and inflammation. Br J Pharmacol 2023; 180:667-680. [PMID: 35735078 PMCID: PMC10311467 DOI: 10.1111/bph.15903] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/13/2022] [Revised: 06/13/2022] [Accepted: 06/18/2022] [Indexed: 11/27/2022] Open
Abstract
BACKGROUND AND PURPOSE Asthma is a heterogenous disease strongly associated with inflammation that has many different causes and triggers. Current asthma treatments target symptoms such as bronchoconstriction and airway inflammation. Despite recent advances in biological therapies, there remains a need for new classes of therapeutic agents with novel, upstream targets. The proteinase-activated receptor-2 (PAR2) has long been implicated in allergic airway inflammation and asthma and it remains an intriguing target for novel therapies. Here, we describe the actions of C781, a newly developed low MW PAR2 biased antagonist, in vitro and in vivo in the context of acute allergen exposure. EXPERIMENTAL APPROACH A human bronchial epithelial cell line expressing PAR2 (16HBE14o- cells) was used to evaluate the modulation in vitro, by C781, of physiological responses to PAR2 activation and downstream β-arrestin/MAPK and Gq/Ca2+ signalling. Acute Alternaria alternata sensitized and challenged mice were used to evaluate C781 as a prophylactically administered modulator of airway hyperresponsiveness, inflammation and mucus overproduction in vivo. KEY RESULTS C781 reduced in vitro physiological signalling in response to ligand and proteinase activation. C781 effectively antagonized β-arrestin/MAPK signalling without significant effect on Gq/Ca2+ signalling in vitro. Given prophylactically, C781 modulated airway hyperresponsiveness, airway inflammation and mucus overproduction of the small airways in an acute allergen-challenged mouse model. CONCLUSION AND IMPLICATIONS Our work demonstrates the first biased PAR2 antagonist for β-arrestin/MAPK signalling. C781 is efficacious as a prophylactic treatment for allergen-induced airway hyperresponsiveness and inflammation in mice. It exemplifies a key pharmacophore for PAR2 that can be optimized for clinical development.
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Affiliation(s)
- Hillary V. Schiff
- Asthma and Airway Disease Research Center, University of Arizona Health Sciences Center
- Bio5 Collaborative Research Center, University of Arizona
| | - Candy M. Rivas
- Asthma and Airway Disease Research Center, University of Arizona Health Sciences Center
- Bio5 Collaborative Research Center, University of Arizona
- Physiological Sciences Graduate Interdisciplinary Program, University of Arizona
| | - William P. Pederson
- Physiological Sciences Graduate Interdisciplinary Program, University of Arizona
| | - Estevan Sandoval
- Asthma and Airway Disease Research Center, University of Arizona Health Sciences Center
- Bio5 Collaborative Research Center, University of Arizona
| | - Samuel Gillman
- Asthma and Airway Disease Research Center, University of Arizona Health Sciences Center
- Bio5 Collaborative Research Center, University of Arizona
- Physiological Sciences Graduate Interdisciplinary Program, University of Arizona
| | - Joy Prisco
- Asthma and Airway Disease Research Center, University of Arizona Health Sciences Center
| | - Moeno Kume
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, TX
| | - Gregory Dussor
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, TX
| | - Josef Vagner
- Bio5 Collaborative Research Center, University of Arizona
| | - Julie G. Ledford
- Asthma and Airway Disease Research Center, University of Arizona Health Sciences Center
- Department of Cellular and Molecular Medicine, University of Arizona
| | - Theodore J. Price
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, TX
| | - Kathryn A. DeFea
- University of California Riverside, Biomedical Sciences and PARMedics, Incorporated
| | - Scott Boitano
- Asthma and Airway Disease Research Center, University of Arizona Health Sciences Center
- Bio5 Collaborative Research Center, University of Arizona
- Department of Physiology, University of Arizona
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Walters ET, Crook RJ, Neely GG, Price TJ, Smith ESJ. Persistent nociceptor hyperactivity as a painful evolutionary adaptation. Trends Neurosci 2023; 46:211-227. [PMID: 36610893 PMCID: PMC9974896 DOI: 10.1016/j.tins.2022.12.007] [Citation(s) in RCA: 13] [Impact Index Per Article: 13.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Revised: 12/05/2022] [Accepted: 12/16/2022] [Indexed: 01/07/2023]
Abstract
Chronic pain caused by injury or disease of the nervous system (neuropathic pain) has been linked to persistent electrical hyperactivity of the sensory neurons (nociceptors) specialized to detect damaging stimuli and/or inflammation. This pain and hyperactivity are considered maladaptive because both can persist long after injured tissues have healed and inflammation has resolved. While the assumption of maladaptiveness is appropriate in many diseases, accumulating evidence from diverse species, including humans, challenges the assumption that neuropathic pain and persistent nociceptor hyperactivity are always maladaptive. We review studies indicating that persistent nociceptor hyperactivity has undergone evolutionary selection in widespread, albeit selected, animal groups as a physiological response that can increase survival long after bodily injury, using both highly conserved and divergent underlying mechanisms.
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Affiliation(s)
- Edgar T Walters
- Department of Integrative Biology and Pharmacology, McGovern Medical School, The University of Texas Health Science Center at Houston, Houston, TX 77030, USA.
| | - Robyn J Crook
- Department of Biology, San Francisco State University, San Francisco, CA 94132, USA
| | - G Gregory Neely
- Charles Perkins Centre and School of Life and Environmental Sciences, The University of Sydney, NSW 2006, Australia
| | - Theodore J Price
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX 75080, USA
| | - Ewan St John Smith
- Department of Pharmacology, University of Cambridge, Tennis Court Road, Cambridge CB2 1PD, UK
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Lackovic J, Jeevakumar V, Burton M, Price TJ, Dussor G. Peroxynitrite Contributes to Behavioral Responses, Increased Trigeminal Excitability, and Changes in Mitochondrial Function in a Preclinical Model of Migraine. J Neurosci 2023; 43:1627-1642. [PMID: 36697259 PMCID: PMC10008057 DOI: 10.1523/jneurosci.1366-22.2023] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/08/2022] [Revised: 01/17/2023] [Accepted: 01/19/2023] [Indexed: 01/27/2023] Open
Abstract
Administration of a nitric oxide (NO) donor triggers migraine attacks, but the mechanisms by which this occurs are unknown. Reactive nitroxidative species, including NO and peroxynitrite (PN), have been implicated in nociceptive sensitization, and neutralizing PN is antinociceptive. We determined whether PN contributes to nociceptive responses in two distinct models of migraine headache. Female and male mice were subjected to 3 consecutive days of restraint stress or to dural stimulation with the proinflammatory cytokine interleukin-6. Following resolution of the initial poststimulus behavioral responses, animals were tested for hyperalgesic priming using a normally non-noxious dose of the NO donor sodium nitroprusside (SNP) or dural pH 7.0, respectively. We measured periorbital von Frey and grimace responses in both models and measured stress-induced changes in 3-nitrotyrosine (3-NT) expression (a marker for PN activity) and trigeminal ganglia (TGs) mitochondrial function. Additionally, we recorded the neuronal activity of TGs in response to the PN generator SIN-1 [5-amino-3-(4-morpholinyl)-1,2,3-oxadiazolium chloride]. We then tested the effects of the PN decomposition catalysts Fe(III)5,10,15,20-tetrakis(N-methylpyridinium-4-yl) porphyrin (FeTMPyP) and FeTPPS [Fe(III)5,10,15,20-tetrakis(4-sulfonatophenyl)porphyrinato chloride], or the PN scavenger MnTBAP [Mn(III)tetrakis(4-benzoic acid)porphyrin] against these behavioral, molecular, and neuronal changes. Neutralizing PN attenuated stress-induced periorbital hypersensitivity and priming to SNP, with no effect on priming to dural pH 7.0. These compounds also prevented stress-induced increases in 3-NT expression in both the TGs and dura mater, and attenuated TG neuronal hyperexcitability caused by SIN-1. Surprisingly, FeTMPyP attenuated changes in TG mitochondrial function caused by SNP in stressed males only. Together, these data strongly implicate PN in migraine mechanisms and highlight the therapeutic potential of targeting PN.SIGNIFICANCE STATEMENT Among the most reliable experimental triggers of migraine are nitric oxide donors. The mechanisms by which nitric oxide triggers attacks are unclear but may be because of reactive nitroxidative species such as peroxynitrite. Using mouse models of migraine headache, we show that peroxynitrite-modulating compounds attenuate behavioral, neuronal, and molecular changes caused by repeated stress and nitric oxide donors (two of the most common triggers of migraine in humans). Additionally, our results show a sex-specific regulation of mitochondrial function by peroxynitrite following stress, providing novel insight into the ways in which peroxynitrite may contribute to migraine-related mechanisms. Critically, our data underscore the potential in targeting peroxynitrite formation as a novel therapeutic for the treatment of migraine headache.
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Affiliation(s)
- Jacob Lackovic
- School of Behavioral and Brain Sciences, The University of Texas at Dallas, Richardson, Texas 75080
| | - Vivek Jeevakumar
- School of Behavioral and Brain Sciences, The University of Texas at Dallas, Richardson, Texas 75080
| | - Michael Burton
- School of Behavioral and Brain Sciences, The University of Texas at Dallas, Richardson, Texas 75080
| | - Theodore J Price
- School of Behavioral and Brain Sciences, The University of Texas at Dallas, Richardson, Texas 75080
| | - Gregory Dussor
- School of Behavioral and Brain Sciences, The University of Texas at Dallas, Richardson, Texas 75080
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Ray PR, Shiers S, Caruso JP, Tavares-Ferreira D, Sankaranarayanan I, Uhelski ML, Li Y, North RY, Tatsui C, Dussor G, Burton MD, Dougherty PM, Price TJ. RNA profiling of human dorsal root ganglia reveals sex differences in mechanisms promoting neuropathic pain. Brain 2023; 146:749-766. [PMID: 35867896 PMCID: PMC10169414 DOI: 10.1093/brain/awac266] [Citation(s) in RCA: 31] [Impact Index Per Article: 31.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/29/2021] [Revised: 05/16/2022] [Accepted: 06/22/2022] [Indexed: 11/12/2022] Open
Abstract
Neuropathic pain is a leading cause of high-impact pain, is often disabling and is poorly managed by current therapeutics. Here we focused on a unique group of neuropathic pain patients undergoing thoracic vertebrectomy where the dorsal root ganglia is removed as part of the surgery allowing for molecular characterization and identification of mechanistic drivers of neuropathic pain independently of preclinical models. Our goal was to quantify whole transcriptome RNA abundances using RNA-seq in pain-associated human dorsal root ganglia from these patients, allowing comprehensive identification of molecular changes in these samples by contrasting them with non-pain-associated dorsal root ganglia. We sequenced 70 human dorsal root ganglia, and among these 50 met inclusion criteria for sufficient neuronal mRNA signal for downstream analysis. Our expression analysis revealed profound sex differences in differentially expressed genes including increase of IL1B, TNF, CXCL14 and OSM in male and CCL1, CCL21, PENK and TLR3 in female dorsal root ganglia associated with neuropathic pain. Coexpression modules revealed enrichment in members of JUN-FOS signalling in males and centromere protein coding genes in females. Neuro-immune signalling pathways revealed distinct cytokine signalling pathways associated with neuropathic pain in males (OSM, LIF, SOCS1) and females (CCL1, CCL19, CCL21). We validated cellular expression profiles of a subset of these findings using RNAscope in situ hybridization. Our findings give direct support for sex differences in underlying mechanisms of neuropathic pain in patient populations.
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Affiliation(s)
- Pradipta R Ray
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX, USA
| | - Stephanie Shiers
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX, USA
| | - James P Caruso
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX, USA.,Department of Neurological Surgery, University of Texas Southwestern Medical Center, Dallas, TX, USA
| | - Diana Tavares-Ferreira
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX, USA
| | - Ishwarya Sankaranarayanan
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX, USA
| | - Megan L Uhelski
- Department of Pain Medicine, Division of Anesthesiology, MD Anderson Cancer Center, Houston, TX, USA
| | - Yan Li
- Department of Pain Medicine, Division of Anesthesiology, MD Anderson Cancer Center, Houston, TX, USA
| | - Robert Y North
- Department of Neurosurgery, MD Anderson Cancer Center, Houston, TX, USA
| | - Claudio Tatsui
- Department of Neurosurgery, MD Anderson Cancer Center, Houston, TX, USA
| | - Gregory Dussor
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX, USA
| | - Michael D Burton
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX, USA
| | - Patrick M Dougherty
- Department of Pain Medicine, Division of Anesthesiology, MD Anderson Cancer Center, Houston, TX, USA
| | - Theodore J Price
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX, USA
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Lackovic J, Price TJ, Dussor G. MNK1/2 contributes to periorbital hypersensitivity and hyperalgesic priming in preclinical migraine models. Brain 2023; 146:448-454. [PMID: 36299248 PMCID: PMC10226734 DOI: 10.1093/brain/awac386] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/09/2022] [Revised: 09/13/2022] [Accepted: 09/15/2022] [Indexed: 11/12/2022] Open
Abstract
Migraine is thought to involve sensitization of the trigeminal nociceptive system. In preclinical pain models, activation of MNK-eIF4E signalling contributes to nociceptor sensitization and the development of persistent pain. Despite these observations, the role of MNK signalling in migraine remains unclear. Here, we investigate whether activation of MNK contributes to hypersensitivity in two rodent models of migraine. Female and male wild-type (WT) and MNK1 knock-out mice were subjected to repeated restraint stress or a dural injection of interleukin-6 (IL-6) and tested for periorbital hypersensitivity and grimacing. Upon returning to baseline thresholds, stressed mice were administered a low dose of the nitric oxide donor sodium nitroprusside and mice previously injected with IL-6 were given a second dural injection of pH 7.0 to test for hyperalgesic priming. MNK1 knock-out mice were significantly less hypersensitive than the WT following dural IL-6 and did not prime to pH 7.0 or sodium nitroprusside. Furthermore, treatment with the selective MNK inhibitor, eFT508, in WT mice prevented hypersensitivity caused by dural IL-6 or pH 7.0. Together, these results implicate MNK-eIF4E signalling in the development of pain originating from the dura and strongly suggest that targeting MNK inhibition may have significant therapeutic potential as a treatment for migraine.
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Affiliation(s)
- Jacob Lackovic
- Department of Neuroscience, The Center for Advanced Pain Studies, The University of Texas at Dallas, Richardson, TX 75080, USA
| | - Theodore J Price
- Department of Neuroscience, The Center for Advanced Pain Studies, The University of Texas at Dallas, Richardson, TX 75080, USA
| | - Gregory Dussor
- Department of Neuroscience, The Center for Advanced Pain Studies, The University of Texas at Dallas, Richardson, TX 75080, USA
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Sankaranarayanan I, Tavares-Ferreira D, Mwirigi JM, Mejia GL, Burton MD, Price TJ. Inducible co-stimulatory molecule (ICOS) alleviates paclitaxel-induced neuropathic pain via an IL-10-mediated mechanism in female mice. J Neuroinflammation 2023; 20:32. [PMID: 36774519 PMCID: PMC9922469 DOI: 10.1186/s12974-023-02719-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/14/2022] [Accepted: 02/03/2023] [Indexed: 02/12/2023] Open
Abstract
Chemotherapy-induced peripheral neuropathy (CIPN) is a primary dose-limiting side effect caused by antineoplastic agents, such as paclitaxel. A primary symptom of this neuropathy is pain. Currently, there are no effective treatments for CIPN, which can lead to long-term morbidity in cancer patients and survivors. Neuro-immune interactions occur in CIPN pain and have been implicated both in the development and progression of pain in CIPN and the resolution of pain in CIPN. We investigated the potential role of inducible co-stimulatory molecule (ICOS) in the resolution of CIPN pain-like behaviors in mice. ICOS is an immune checkpoint molecule that is expressed on the surface of activated T cells and promotes proliferation and differentiation of T cells. We found that intrathecal administration of ICOS agonist antibody (ICOSaa) alleviates mechanical hypersensitivity caused by paclitaxel and facilitates the resolution of mechanical hypersensitivity in female mice. Administration of ICOSaa reduced astrogliosis in the spinal cord and satellite cell gliosis in the DRG of mice previously treated with paclitaxel. Mechanistically, ICOSaa intrathecal treatment promoted mechanical hypersensitivity resolution by increasing interleukin 10 (IL-10) expression in the dorsal root ganglion. In line with these observations, blocking IL-10 receptor (IL-10R) activity occluded the effects of ICOSaa treatment on mechanical hypersensitivity in female mice. Suggesting a broader activity in neuropathic pain, ICOSaa also partially resolved mechanical hypersensitivity in the spared nerve injury (SNI) model. Our findings support a model wherein ICOSaa administration induces IL-10 expression to facilitate neuropathic pain relief in female mice. ICOSaa treatment is in clinical development for solid tumors and given our observation of T cells in the human DRG, ICOSaa therapy could be developed for combination chemotherapy-CIPN clinical trials.
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Affiliation(s)
- Ishwarya Sankaranarayanan
- grid.267323.10000 0001 2151 7939Pain Neurobiology Research Group, University of Texas at Dallas, 800 W Campbell Rd, Richardson, TX 75080 USA
| | - Diana Tavares-Ferreira
- grid.267323.10000 0001 2151 7939Pain Neurobiology Research Group, University of Texas at Dallas, 800 W Campbell Rd, Richardson, TX 75080 USA
| | - Juliet M. Mwirigi
- grid.267323.10000 0001 2151 7939Pain Neurobiology Research Group, University of Texas at Dallas, 800 W Campbell Rd, Richardson, TX 75080 USA
| | - Galo L. Mejia
- grid.267323.10000 0001 2151 7939Pain Neurobiology Research Group, University of Texas at Dallas, 800 W Campbell Rd, Richardson, TX 75080 USA
| | - Michael D. Burton
- grid.267323.10000 0001 2151 7939Neuroimmunology and Behavior Laboratory, Department of Neuroscience, Center for Advanced Pain Studies, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, TX USA
| | - Theodore J. Price
- grid.267323.10000 0001 2151 7939Pain Neurobiology Research Group, University of Texas at Dallas, 800 W Campbell Rd, Richardson, TX 75080 USA
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45
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Shiers S, Funk G, Cervantes A, Horton P, Dussor G, Hennen S, Price TJ. Na V1.7 mRNA and protein expression in putative projection neurons of the human spinal dorsal horn. bioRxiv 2023:2023.02.04.527110. [PMID: 36778234 PMCID: PMC9915702 DOI: 10.1101/2023.02.04.527110] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
NaV1.7, a membrane-bound voltage-gated sodium channel, is preferentially expressed along primary sensory neurons, including their peripheral & central nerve endings, axons, and soma within the dorsal root ganglia and plays an integral role in amplifying membrane depolarization and pain neurotransmission. Loss- and gain-of-function mutations in the gene encoding NaV1.7, SCN9A, are associated with a complete loss of pain sensation or exacerbated pain in humans, respectively. As an enticing pain target supported by human genetic validation, many compounds have been developed to inhibit NaV1.7 but have disappointed in clinical trials. The underlying reasons are still unclear, but recent reports suggest that inhibiting NaV1.7 in central terminals of nociceptor afferents is critical for achieving pain relief by pharmacological inhibition of NaV1.7. We report for the first time that NaV1.7 mRNA is expressed in putative projection neurons (NK1R+) in the human spinal dorsal horn, predominantly in lamina 1 and 2, as well as in deep dorsal horn neurons and motor neurons in the ventral horn. NaV1.7 protein was found in the central axons of sensory neurons terminating in lamina 1-2, but also was detected in the axon initial segment of resident spinal dorsal horn neurons and in axons entering the anterior commissure. Given that projection neurons are critical for conveying nociceptive information from the dorsal horn to the brain, these data support that dorsal horn NaV1.7 expression may play an unappreciated role in pain phenotypes observed in humans with genetic SCN9A mutations, and in achieving analgesic efficacy in clinical trials.
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Affiliation(s)
- Stephanie Shiers
- University of Texas at Dallas, School of Behavioral and Brain Sciences and Center for Advanced Pain Studies
| | | | | | | | - Gregory Dussor
- University of Texas at Dallas, School of Behavioral and Brain Sciences and Center for Advanced Pain Studies
| | | | - Theodore J. Price
- University of Texas at Dallas, School of Behavioral and Brain Sciences and Center for Advanced Pain Studies
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46
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Shiers S, Sahn JJ, Price TJ. MNK1 and MNK2 expression in the human dorsal root and trigeminal ganglion. bioRxiv 2023:2023.01.04.522773. [PMID: 36711529 PMCID: PMC9881964 DOI: 10.1101/2023.01.04.522773] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Indexed: 01/06/2023]
Abstract
Mitogen activated protein kinase interacting kinases (MNK) 1 and 2 are serine/threonine protein kinases that play an important role in translation of mRNAs through their phosphorylation of the RNA 5’-cap binding protein, eukaryotic translation initiation factor (eIF) 4E. These kinases are downstream targets for mitogen activated protein kinases (MAPKs), extracellular activity regulated protein kinase (ERK) and p38. MNKs have been implicated in the sensitization of peripheral nociceptors of the dorsal root and trigeminal ganglion (DRG and TG) using transgenic mouse lines and through the use of specific inhibitors of MNK1 and MNK2. While specific knockout of the Mknk1 gene suggests that it is the key isoform for regulation of nociceptor excitability and nociceptive behaviors in mice, both MKNK1 and MKNK2 genes are expressed in the DRG and TG of mice and humans based on RNA sequencing experiments. Single cell sequencing in mice suggests that Mknk1 and Mknk2 may be expressed in different populations of nociceptors. We sought to characterize mRNA expression in human DRG and TG for both MNK1 and MNK2. Our results show that both genes are expressed by nearly all neurons in both human ganglia with expression in other cell types as well. Our findings provide evidence that MNK1 and MNK2 are expressed by human nociceptors and suggest that efforts to pharmacologically target MNKs for pain would likely be translatable due its conserved expression in both species.
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Affiliation(s)
- Stephanie Shiers
- Center for Advanced Pain Studies, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, Texas, USA
| | | | - Theodore J. Price
- Center for Advanced Pain Studies, School of Behavioral and Brain Sciences, University of Texas at Dallas, Richardson, Texas, USA
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47
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Hegarty DM, Carroll JR, Nguyen D, Halls VS, Robbins DI, Price TJ, Dussor G, Aicher SA. Resveratrol increases tear production and ocular pain after corneal abrasion in male, but not female, rats using a photorefractive keratectomy model. Exp Eye Res 2022; 225:109281. [PMID: 36265575 DOI: 10.1016/j.exer.2022.109281] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2022] [Revised: 09/23/2022] [Accepted: 10/13/2022] [Indexed: 12/29/2022]
Abstract
Photorefractive keratectomy (PRK) is an alternative to LASIK and can cause intense acute pain that is often not relieved by standard treatments. To assess potential therapeutics for this type of acute pain, appropriate preclinical models are needed. We describe a preclinical corneal abrasion rat model that simulates the initial stages of PRK surgery and demonstrates similar pain and tear dysfunction as seen clinically. We used both behavioral and homeostatic assays to determine the therapeutic potential of resveratrol on pain and tear production. Studies were conducted in male and female Sprague-Dawley rats. Heptanol was applied to one eye and the superficial corneal epithelium was removed, mimicking the abrasion used in PRK. Spontaneous pain was assessed with orbital tightening (OT) scores for 7 days. Topical resveratrol increased OT scores sex-specifically in abraded males, but not females, at 72 h and 1 week after abrasion. Resveratrol increased tear production in abraded males, with no effect in abraded females. There was no correlation between OT score at 1 week and tear production measurements, demonstrating no relationship between spontaneous ocular pain and tear dysfunction in this model. These findings demonstrate the usefulness of our corneal abrasion preclinical PRK model for the assessment of ocular pain therapeutics and indicate that topical resveratrol may not be useful for managing PRK-induced pain.
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Affiliation(s)
- Deborah M Hegarty
- Department of Chemical Physiology & Biochemistry, Oregon Health & Science University, Portland, OR, 97239, USA
| | - James R Carroll
- Department of Chemical Physiology & Biochemistry, Oregon Health & Science University, Portland, OR, 97239, USA
| | - Dennis Nguyen
- Department of Chemical Physiology & Biochemistry, Oregon Health & Science University, Portland, OR, 97239, USA
| | - Victoria S Halls
- Medicinal Chemistry Core, Oregon Health & Science University, Portland, OR, 97239, USA
| | | | - Theodore J Price
- Ted's Brain Science, Inc., Dallas, TX, 75252, USA; School of Behavioral and Brain Sciences, Department of Neuroscience, Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX, 75080, USA
| | - Gregory Dussor
- Ted's Brain Science, Inc., Dallas, TX, 75252, USA; School of Behavioral and Brain Sciences, Department of Neuroscience, Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX, 75080, USA
| | - Sue A Aicher
- Department of Chemical Physiology & Biochemistry, Oregon Health & Science University, Portland, OR, 97239, USA.
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Papalampropoulou-Tsiridou M, Shiers S, Wang F, Godin AG, Price TJ, De Koninck Y. Distribution of acid-sensing ion channel subunits in human sensory neurons contrasts with that in rodents. Brain Commun 2022; 4:fcac256. [PMID: 36337346 PMCID: PMC9629378 DOI: 10.1093/braincomms/fcac256] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/14/2022] [Revised: 07/27/2022] [Accepted: 10/26/2022] [Indexed: 11/28/2022] Open
Abstract
Acid-sensing ion channels (ASICs) play a critical role in nociception in human sensory neurons. Four genes (ASIC1, ASIC2, ASIC3, and ASIC4) encoding multiple subunits through alternative splicing have been identified in humans. Real time-PCR experiments showed strong expression of three subunits ASIC1, ASIC2, and ASIC3 in human dorsal root ganglia; however, their detailed expression pattern in different neuronal populations has not been investigated yet. In the current study, using an in situ hybridization approach (RNAscope), we examined the presence of ASIC1, ASIC2, and ASIC3 mRNA in three subpopulations of human dorsal root ganglia neurons. Our results revealed that ASIC1 and ASIC3 were present in the vast majority of dorsal root ganglia neurons, while ASIC2 was only expressed in less than half of dorsal root ganglia neurons. The distribution pattern of the three ASIC subunits was the same across the three populations of dorsal root ganglia neurons examined, including neurons expressing the REarranged during Transfection (RET) receptor tyrosine kinase, calcitonin gene-related peptide, and a subpopulation of nociceptors expressing Transient Receptor Potential Cation Channel Subfamily V Member 1. These results strongly contrast the expression pattern of Asics in mice since our previous study demonstrated differential distribution of Asics among the various subpopulation of dorsal root ganglia neurons. Given the distinct acid-sensitivity and activity dynamics among different ASIC channels, the expression differences between human and rodents should be taken under consideration when evaluating the translational potential and efficiency of drugs targeting ASICs in rodent studies.
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Affiliation(s)
- Melina Papalampropoulou-Tsiridou
- CERVO Brain Research Centre, Québec Mental Health Institute, Québec, QC G1J 2G3, Canada,Graduate Program in Neuroscience, Université Laval, Québec, QC G1V 0A6, Canada
| | - Stephanie Shiers
- Center for Advanced Pain Studies and Department of Neuroscience, University of Texas at Dallas, 800 W Campbell Rd, Richardson, TX 75080, USA
| | - Feng Wang
- CERVO Brain Research Centre, Québec Mental Health Institute, Québec, QC G1J 2G3, Canada
| | - Antoine G Godin
- CERVO Brain Research Centre, Québec Mental Health Institute, Québec, QC G1J 2G3, Canada,Graduate Program in Neuroscience, Université Laval, Québec, QC G1V 0A6, Canada,Department of Psychiatry and Neuroscience, Université Laval, Québec, QC G1V 0A6, Canada
| | - Theodore J Price
- Center for Advanced Pain Studies and Department of Neuroscience, University of Texas at Dallas, 800 W Campbell Rd, Richardson, TX 75080, USA
| | - Yves De Koninck
- Correspondence to: Yves De Koninck 2601 Chemin de la Canardière Québec G1J 2G3 Canada. E-mail:
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Rivas CM, Yee MC, Addison KJ, Lovett M, Pal K, Ledford JG, Dussor G, Price TJ, Vagner J, DeFea KA, Boitano S. Proteinase-activated receptor-2 antagonist C391 inhibits Alternaria-induced airway epithelial signalling and asthma indicators in acute exposure mouse models. Br J Pharmacol 2022; 179:2208-2222. [PMID: 34841515 DOI: 10.1111/bph.15745] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/06/2021] [Revised: 10/19/2021] [Accepted: 11/04/2021] [Indexed: 01/28/2023] Open
Abstract
BACKGROUND AND PURPOSE Despite the availability of a variety of treatment options, many asthma patients have poorly controlled disease with frequent exacerbations. Proteinase-activated receptor-2 (PAR2) has been identified in preclinical animal models as important to asthma initiation and progression following allergen exposure. Proteinase activation of PAR2 raises intracellular Ca2+ , inducing MAPK and β-arrestin signalling in the airway, leading to inflammatory and protective effects. We have developed C391, a potent PAR2 antagonist effective in blocking peptidomimetic- and trypsin-induced PAR2 signalling in vitro as well as reducing inflammatory PAR2-associated pain in vivo. We hypothesized that PAR2 antagonism by C391 would attenuate allergen-induced acutely expressed asthma indicators in murine models. EXPERIMENTAL APPROACH We evaluated the ability of C391 to alter Alternaria alternata-induced PAR2 signalling pathways in vitro using a human airway epithelial cell line that naturally expresses PAR2 (16HBE14o-) and a transfected embryonic cell line (HEK 293). We next evaluated the ability for C391 to reduce A. alternata-induced acutely expressed asthma indicators in vivo in two murine strains. KEY RESULTS C391 blocked A. alternata-induced, PAR2-dependent Ca2+ and MAPK signalling in 16HBE14o- cells, as well as β-arrestin recruitment in HEK 293 cells. C391 effectively attenuated A. alternata-induced inflammation, mucus production, mucus cell hyperplasia and airway hyperresponsiveness in acute allergen-challenged murine models. CONCLUSIONS AND IMPLICATIONS To our best knowledge, this is the first demonstration of pharmacological intervention of PAR2 to reduce allergen-induced asthma indicators in vivo. These data support further development of PAR2 antagonists as potential first-in-class allergic asthma drugs.
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Affiliation(s)
- Candy M Rivas
- Physiological Sciences Graduate Interdisciplinary Program, University of Arizona, Tucson, Arizona, USA.,Asthma and Airway Disease Research Center, University of Arizona Health Sciences, Tucson, Arizona, USA
| | - Michael C Yee
- Biomedical Sciences, University of California Riverside, Riverside, California, USA
| | - Kenneth J Addison
- Asthma and Airway Disease Research Center, University of Arizona Health Sciences, Tucson, Arizona, USA.,Department of Cellular and Molecular Medicine, University of Arizona Health Sciences, Tucson, Arizona, USA
| | - Marissa Lovett
- Physiological Sciences Graduate Interdisciplinary Program, University of Arizona, Tucson, Arizona, USA
| | - Kasturi Pal
- Biomedical Sciences, University of California Riverside, Riverside, California, USA
| | - Julie G Ledford
- Asthma and Airway Disease Research Center, University of Arizona Health Sciences, Tucson, Arizona, USA.,Department of Cellular and Molecular Medicine, University of Arizona Health Sciences, Tucson, Arizona, USA
| | - Gregory Dussor
- School of Behavioral and Brain Sciences and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, Texas, USA
| | - Theodore J Price
- School of Behavioral and Brain Sciences and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, Texas, USA
| | - Josef Vagner
- Bio5 Collaborative Research Institute, University of Arizona, Tucson, Arizona, USA
| | - Kathryn A DeFea
- Biomedical Sciences, University of California Riverside, Riverside, California, USA.,Corporate Headquarters, PARMedics, Inc., Temecula, California, USA
| | - Scott Boitano
- Physiological Sciences Graduate Interdisciplinary Program, University of Arizona, Tucson, Arizona, USA.,Asthma and Airway Disease Research Center, University of Arizona Health Sciences, Tucson, Arizona, USA.,Department of Cellular and Molecular Medicine, University of Arizona Health Sciences, Tucson, Arizona, USA.,Bio5 Collaborative Research Institute, University of Arizona, Tucson, Arizona, USA.,Department of Physiology, University of Arizona Health Sciences, Tucson, Arizona, USA
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50
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Hall BE, Macdonald E, Cassidy M, Yun S, Sapio MR, Ray P, Doty M, Nara P, Burton MD, Shiers S, Ray-Chaudhury A, Mannes AJ, Price TJ, Iadarola MJ, Kulkarni AB. Transcriptomic analysis of human sensory neurons in painful diabetic neuropathy reveals inflammation and neuronal loss. Sci Rep 2022; 12:4729. [PMID: 35304484 PMCID: PMC8933403 DOI: 10.1038/s41598-022-08100-8] [Citation(s) in RCA: 18] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [What about the content of this article? (0)] [Affiliation(s)] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2021] [Accepted: 02/25/2022] [Indexed: 01/02/2023] Open
Abstract
Pathological sensations caused by peripheral painful neuropathy occurring in Type 2 diabetes mellitus (T2DM) are often described as 'sharp' and 'burning' and are commonly spontaneous in origin. Proposed etiologies implicate dysfunction of nociceptive sensory neurons in dorsal root ganglia (DRG) induced by generation of reactive oxygen species, microvascular defects, and ongoing axonal degeneration and regeneration. To investigate the molecular mechanisms contributing to diabetic pain, DRGs were acquired postmortem from patients who had been experiencing painful diabetic peripheral neuropathy (DPN) and subjected to transcriptome analyses to identify genes contributing to pathological processes and neuropathic pain. DPN occurs in distal extremities resulting in the characteristic "glove and stocking" pattern. Accordingly, the L4 and L5 DRGs, which contain the perikarya of primary afferent neurons innervating the foot, were analyzed from five DPN patients and compared with seven controls. Transcriptome analyses identified 844 differentially expressed genes. We observed increases in levels of inflammation-associated transcripts from macrophages in DPN patients that may contribute to pain hypersensitivity and, conversely, there were frequent decreases in neuronally-related genes. The elevated inflammatory gene profile and the accompanying downregulation of multiple neuronal genes provide new insights into intraganglionic pathology and mechanisms causing neuropathic pain in DPN patients with T2DM.
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Affiliation(s)
- Bradford E Hall
- Functional Genomics Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, 30 Convent Drive, Room 130, Bethesda, MD, 20892, USA
| | - Emma Macdonald
- Functional Genomics Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, 30 Convent Drive, Room 130, Bethesda, MD, 20892, USA
- Present Affiliation: NIH Graduate Partnerships Program, Brown University, Providence, RI, 02912, USA
| | - Margaret Cassidy
- Functional Genomics Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, 30 Convent Drive, Room 130, Bethesda, MD, 20892, USA
| | - Sijung Yun
- Yotta Biomed, LLC, Bethesda, MD, 20814, USA
| | - Matthew R Sapio
- Department of Perioperative Medicine, Clinical Center, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Pradipta Ray
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX, 75080, USA
| | - Megan Doty
- Functional Genomics Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, 30 Convent Drive, Room 130, Bethesda, MD, 20892, USA
| | - Pranavi Nara
- Department of Perioperative Medicine, Clinical Center, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Michael D Burton
- Neuroimmunology and Behavior Group, School of Behavior and Brain Sciences, University of Texas at Dallas, Richardson, TX, 75080, USA
| | - Stephanie Shiers
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX, 75080, USA
| | - Abhik Ray-Chaudhury
- Surgical Neurology Branch, Disorders and Stroke, National Institute of Neurological, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Andrew J Mannes
- Department of Perioperative Medicine, Clinical Center, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Theodore J Price
- Department of Neuroscience and Center for Advanced Pain Studies, University of Texas at Dallas, Richardson, TX, 75080, USA
| | - Michael J Iadarola
- Department of Perioperative Medicine, Clinical Center, National Institutes of Health, Bethesda, MD, 20892, USA
| | - Ashok B Kulkarni
- Functional Genomics Section, National Institute of Dental and Craniofacial Research, National Institutes of Health, 30 Convent Drive, Room 130, Bethesda, MD, 20892, USA.
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