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Estivill-Torrús G, Martínez-Padilla AB, Sánchez-Salido L, Evercooren ABV, García-Díaz B. The dorsal root ganglion as a target for neurorestoration in neuropathic pain. Neural Regen Res 2024; 19:296-301. [PMID: 37488881 PMCID: PMC10503598 DOI: 10.4103/1673-5374.374655] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 04/22/2023] [Accepted: 05/19/2023] [Indexed: 07/26/2023] Open
Abstract
Neuropathic pain is a severe and chronic condition widely found in the general population. The reason for this is the extensive variety of damage or diseases that can spark this unpleasant constant feeling in patients. During the processing of pain, the dorsal root ganglia constitute an important region where dorsal root ganglion neurons play a crucial role in the transmission and propagation of sensory electrical stimulation. Furthermore, the dorsal root ganglia have recently exhibited a regenerative capacity that should not be neglected in the understanding of the development and resolution of neuropathic pain and in the elucidation of innovative therapies. Here, we will review the complex interplay between cells (satellite glial cells and inflammatory cells) and factors (cytokines, neurotrophic factors and genetic factors) that takes place within the dorsal root ganglia and accounts for the generation of the aberrant excitation of primary sensory neurons occurring in neuropathic pain. More importantly, we will summarize an updated view of the current pharmacologic and nonpharmacologic therapies targeting the dorsal root ganglia for the treatment of neuropathic pain.
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Affiliation(s)
- Guillermo Estivill-Torrús
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina (IBIMA Plataforma BIONAND), Málaga, Spain
- Unidad Clínica de Neurociencias, Hospital Regional Universitario de Málaga, Málaga, Spain
| | | | - Lourdes Sánchez-Salido
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina (IBIMA Plataforma BIONAND), Málaga, Spain
- Unidad Clínica de Neurociencias, Hospital Regional Universitario de Málaga, Málaga, Spain
| | - Anne Baron-Van Evercooren
- Sorbonne Université, Institut du Cerveau - Paris Brain Institute-ICM, INSERM, CNRS, AP-HP, Hôpital Pitié-Salpêtrière, Paris, France
| | - Beatriz García-Díaz
- Instituto de Investigación Biomédica de Málaga y Plataforma en Nanomedicina (IBIMA Plataforma BIONAND), Málaga, Spain
- Unidad Clínica de Neurociencias, Hospital Regional Universitario de Málaga, Málaga, Spain
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2
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Aldskogius H, Kozlova EN. Dorsal Root Injury-A Model for Exploring Pathophysiology and Therapeutic Strategies in Spinal Cord Injury. Cells 2021; 10:2185. [PMID: 34571835 PMCID: PMC8470715 DOI: 10.3390/cells10092185] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Revised: 08/19/2021] [Accepted: 08/20/2021] [Indexed: 12/12/2022] Open
Abstract
Unraveling the cellular and molecular mechanisms of spinal cord injury is fundamental for our possibility to develop successful therapeutic approaches. These approaches need to address the issues of the emergence of a non-permissive environment for axonal growth in the spinal cord, in combination with a failure of injured neurons to mount an effective regeneration program. Experimental in vivo models are of critical importance for exploring the potential clinical relevance of mechanistic findings and therapeutic innovations. However, the highly complex organization of the spinal cord, comprising multiple types of neurons, which form local neural networks, as well as short and long-ranging ascending or descending pathways, complicates detailed dissection of mechanistic processes, as well as identification/verification of therapeutic targets. Inducing different types of dorsal root injury at specific proximo-distal locations provide opportunities to distinguish key components underlying spinal cord regeneration failure. Crushing or cutting the dorsal root allows detailed analysis of the regeneration program of the sensory neurons, as well as of the glial response at the dorsal root-spinal cord interface without direct trauma to the spinal cord. At the same time, a lesion at this interface creates a localized injury of the spinal cord itself, but with an initial neuronal injury affecting only the axons of dorsal root ganglion neurons, and still a glial cell response closely resembling the one seen after direct spinal cord injury. In this review, we provide examples of previous research on dorsal root injury models and how these models can help future exploration of mechanisms and potential therapies for spinal cord injury repair.
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Affiliation(s)
- Håkan Aldskogius
- Laboratory of Regenertive Neurobiology, Biomedical Center, Department of Neuroscience, Uppsala University, 75124 Uppsala, Sweden;
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3
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Viventi S, Frausin S, Howden SE, Lim SY, Finol-Urdaneta RK, McArthur JR, Abu-Bonsrah KD, Ng W, Ivanusic J, Thompson L, Dottori M. In vivo survival and differentiation of Friedreich ataxia iPSC-derived sensory neurons transplanted in the adult dorsal root ganglia. Stem Cells Transl Med 2021; 10:1157-1169. [PMID: 33734599 PMCID: PMC8284774 DOI: 10.1002/sctm.20-0334] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2020] [Revised: 02/03/2021] [Accepted: 02/23/2021] [Indexed: 01/05/2023] Open
Abstract
Friedreich ataxia (FRDA) is an autosomal recessive disease characterized by degeneration of dorsal root ganglia (DRG) sensory neurons, which is due to low levels of the mitochondrial protein Frataxin. To explore cell replacement therapies as a possible approach to treat FRDA, we examined transplantation of sensory neural progenitors derived from human embryonic stem cells (hESC) and FRDA induced pluripotent stem cells (iPSC) into adult rodent DRG regions. Our data showed survival and differentiation of hESC and FRDA iPSC-derived progenitors in the DRG 2 and 8 weeks post-transplantation, respectively. Donor cells expressed neuronal markers, including sensory and glial markers, demonstrating differentiation to these lineages. These results are novel and a highly significant first step in showing the possibility of using stem cells as a cell replacement therapy to treat DRG neurodegeneration in FRDA as well as other peripheral neuropathies.
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Affiliation(s)
- Serena Viventi
- Department of Biomedical Engineering, The University of Melbourne, Parkville, Australia.,The Florey Institute of Neuroscience and Mental Health, Parkville, Australia
| | - Stefano Frausin
- The Florey Institute of Neuroscience and Mental Health, Parkville, Australia
| | - Sara E Howden
- The Murdoch Children's Research Institute, Royal Children's Hospital, Parkville, Australia
| | - Shiang Y Lim
- O'Brien Institute Department, St Vincent's Institute of Medical Research, Fitzroy, Australia.,Department of Surgery, The University of Melbourne, St Vincent Hospital, Fitzroy, Australia
| | - Rocio K Finol-Urdaneta
- Illawarra Health and Medical Research Institute, University of Wollongong, Keiraville, Australia
| | - Jeffrey R McArthur
- Illawarra Health and Medical Research Institute, University of Wollongong, Keiraville, Australia
| | - Kwaku Dad Abu-Bonsrah
- The Murdoch Children's Research Institute, Royal Children's Hospital, Parkville, Australia.,Department of Paediatrics, The University of Melbourne, Parkville, Australia
| | - Wayne Ng
- School of Medicine, Griffith University, Gold Coast, Australia.,Department of Neurosurgery, Gold Coast University Hospital, Southport, Australia
| | - Jason Ivanusic
- Department of Anatomy and Neuroscience, The University of Melbourne, Parkville, Australia
| | - Lachlan Thompson
- The Florey Institute of Neuroscience and Mental Health, Parkville, Australia
| | - Mirella Dottori
- Department of Biomedical Engineering, The University of Melbourne, Parkville, Australia.,Illawarra Health and Medical Research Institute, University of Wollongong, Keiraville, Australia.,Department of Anatomy and Neuroscience, The University of Melbourne, Parkville, Australia
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4
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Zhang Y, Xu X, Tong Y, Zhou X, Du J, Choi IY, Yue S, Lee G, Johnson BN, Jia X. Therapeutic effects of peripherally administrated neural crest stem cells on pain and spinal cord changes after sciatic nerve transection. Stem Cell Res Ther 2021; 12:180. [PMID: 33722287 PMCID: PMC7962265 DOI: 10.1186/s13287-021-02200-4] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/29/2020] [Accepted: 01/31/2021] [Indexed: 11/10/2022] Open
Abstract
BACKGROUND Severe peripheral nerve injury significantly affects patients' quality of life and induces neuropathic pain. Neural crest stem cells (NCSCs) exhibit several attractive characteristics for cell-based therapies following peripheral nerve injury. Here, we investigate the therapeutic effect of NCSC therapy and associated changes in the spinal cord in a sciatic nerve transection (SNT) model. METHODS Complex sciatic nerve gap injuries in rats were repaired with cell-free and cell-laden nerve scaffolds for 12 weeks (scaffold and NCSC groups, respectively). Catwalk gait analysis was used to assess the motor function recovery. The mechanical withdrawal threshold and thermal withdrawal latency were used to assess the development of neuropathic pain. Activation of glial cells was examined by immunofluorescence analyses. Spinal levels of extracellular signal-regulated kinase (ERK), NF-κB P65, brain-derived neurotrophic factor (BDNF), growth-associated protein (GAP)-43, calcitonin gene-related peptide (CGRP), and inflammation factors were calculated by western blot analysis. RESULTS Catwalk gait analysis showed that animals in the NCSC group exhibited a higher stand index and Max intensity At (%) relative to those that received the cell-free scaffold (scaffold group) (p < 0.05). The mechanical and thermal allodynia in the medial-plantar surface of the ipsilateral hind paw were significantly relieved in the NCSC group. Sunitinib (SNT)-induced upregulation of glial fibrillary acidic protein (GFAP) (astrocyte) and ionized calcium-binding adaptor molecule 1 (Iba-1) (microglia) in the ipsilateral L4-5 dorsal and ventral horn relative to the contralateral side. Immunofluorescence analyses revealed decreased astrocyte and microglia activation. Activation of ERK and NF-κB signals and expression of transient receptor potential vanilloid 1 (TRPV1) expression were downregulated. CONCLUSION NCSC-laden nerve scaffolds mitigated SNT-induced neuropathic pain and improved motor function recovery after sciatic nerve repair. NCSCs also protected the spinal cord from SNT-induced glial activation and central sensitization.
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Affiliation(s)
- Yang Zhang
- Department of Physical Medicine & Rehabilitation, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, 250012, Shandong, China.,Department of Neurosurgery, University of Maryland School of Medicine, 685 West Baltimore Street, MSTF Building 823, Baltimore, MD, 21201, USA
| | - Xiang Xu
- Department of Neurosurgery, University of Maryland School of Medicine, 685 West Baltimore Street, MSTF Building 823, Baltimore, MD, 21201, USA
| | - Yuxin Tong
- Department of Industrial and Systems Engineering, School of Neuroscience, Virginia Tech, Blacksburg, 24061, VA, USA
| | - Xijie Zhou
- Department of Neurosurgery, University of Maryland School of Medicine, 685 West Baltimore Street, MSTF Building 823, Baltimore, MD, 21201, USA
| | - Jian Du
- Department of Neurosurgery, University of Maryland School of Medicine, 685 West Baltimore Street, MSTF Building 823, Baltimore, MD, 21201, USA
| | - In Young Choi
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA
| | - Shouwei Yue
- Department of Physical Medicine & Rehabilitation, Qilu Hospital, Cheeloo College of Medicine, Shandong University, Jinan, 250012, Shandong, China
| | - Gabsang Lee
- Department of Neurology, Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA.,Department of Neuroscience, Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA
| | - Blake N Johnson
- Department of Industrial and Systems Engineering, School of Neuroscience, Virginia Tech, Blacksburg, 24061, VA, USA
| | - Xiaofeng Jia
- Department of Neurosurgery, University of Maryland School of Medicine, 685 West Baltimore Street, MSTF Building 823, Baltimore, MD, 21201, USA. .,Department of Orthopedics, University of Maryland School of Medicine, Baltimore, MD, 21201, USA. .,Department of Anatomy and Neurobiology, University of Maryland School of Medicine, Baltimore, MD, 21201, USA. .,Department of Biomedical Engineering, Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA. .,Department of Anesthesiology and Critical Care Medicine, Johns Hopkins University School of Medicine, Baltimore, MD, 21205, USA.
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5
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Jones I, Novikova LN, Wiberg M, Carlsson L, Novikov LN. Human Embryonic Stem Cell-derived Neural Crest Cells Promote Sprouting and Motor Recovery Following Spinal Cord Injury in Adult Rats. Cell Transplant 2021; 30:963689720988245. [PMID: 33522309 PMCID: PMC7863557 DOI: 10.1177/0963689720988245] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022] Open
Abstract
Spinal cord injury results in irreversible tissue damage and permanent sensorimotor impairment. The development of novel therapeutic strategies that improve the life quality of affected individuals is therefore of paramount importance. Cell transplantation is a promising approach for spinal cord injury treatment and the present study assesses the efficacy of human embryonic stem cell–derived neural crest cells as preclinical cell-based therapy candidates. The differentiated neural crest cells exhibited characteristic molecular signatures and produced a range of biologically active trophic factors that stimulated in vitro neurite outgrowth of rat primary dorsal root ganglia neurons. Transplantation of the neural crest cells into both acute and chronic rat cervical spinal cord injury models promoted remodeling of descending raphespinal projections and contributed to the partial recovery of forelimb motor function. The results achieved in this proof-of-concept study demonstrates that human embryonic stem cell–derived neural crest cells warrant further investigation as cell-based therapy candidates for the treatment of spinal cord injury.
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Affiliation(s)
- Iwan Jones
- 59588Umeå Center for Molecular Medicine, Umeå University, Umeå, Sweden.,Department of Integrative Medical Biology, Umeå University, Umeå, Sweden
| | | | - Mikael Wiberg
- Department of Integrative Medical Biology, Umeå University, Umeå, Sweden.,Department of Surgical and Perioperative Science, Section of Hand and Plastic Surgery, Umeå University, Umeå, Sweden
| | - Leif Carlsson
- 59588Umeå Center for Molecular Medicine, Umeå University, Umeå, Sweden
| | - Lev N Novikov
- Department of Integrative Medical Biology, Umeå University, Umeå, Sweden
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Spinal Reflex Recovery after Dorsal Rhizotomy and Repair with Platelet-Rich Plasma (PRP) Gel Combined with Bioengineered Human Embryonic Stem Cells (hESCs). Stem Cells Int 2020; 2020:8834360. [PMID: 33178285 PMCID: PMC7647752 DOI: 10.1155/2020/8834360] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/22/2020] [Revised: 09/20/2020] [Accepted: 09/30/2020] [Indexed: 02/07/2023] Open
Abstract
Dorsal root rhizotomy (DRZ) is currently considered an untreatable injury, resulting in the loss of sensitive function and usually leading to neuropathic pain. In this context, we recently proposed a new surgical approach to treat DRZ that uses platelet-rich plasma (PRP) gel to restore the spinal reflex. Success was correlated with the reentry of primary afferents into the spinal cord. Here, aiming to enhance previous results, cell therapy with bioengineered human embryonic stem cells (hESCs) to overexpress fibroblast growth factor 2 (FGF2) was combined with PRP. For these experiments, adult female rats were submitted to a unilateral rhizotomy of the lumbar spinal dorsal roots, which was followed by root repair with PRP gel with or without bioengineered hESCs. One week after DRZ, the spinal cords were processed to evaluate changes in the glial response (GFAP and Iba-1) and excitatory synaptic circuits (VGLUT1) by immunofluorescence. Eight weeks postsurgery, the lumbar intumescences were processed for analysis of the repaired microenvironment by transmission electron microscopy. Spinal reflex recovery was evaluated by the electronic Von Frey method for eight weeks. The transcript levels for human FGF2 were over 37-fold higher in the induced hESCs than in the noninduced and the wildtype counterparts. Altogether, the results indicate that the combination of hESCs with PRP gel promoted substantial and prominent axonal regeneration processes after DRZ. Thus, the repair of dorsal roots, if done appropriately, may be considered an approach to regain sensory-motor function after dorsal root axotomy.
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7
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Tiwari S, Khan S, Kumar SV, Rajak R, Sultana A, Pasha SA, Gauba D, Ghosh P, Khurana T, Kulkarni A, Reddy YP, Khan AA, Sharma VK. Efficacy and safety of neural stem cell therapy for spinal cord injury: A systematic literature review. Therapie 2020; 76:201-210. [PMID: 32709426 DOI: 10.1016/j.therap.2020.06.011] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/21/2020] [Revised: 06/07/2020] [Accepted: 06/11/2020] [Indexed: 12/17/2022]
Abstract
AIMS To summarize the evidence on the efficacy and safety of neural stem cell therapy (NSCT) for the treatment of spinal cord injury (SCI). METHODS A systematic literature review of Medline®, EMBASE® and Cochrane library was performed to identify studies reporting efficacy and safety of NSCT in SCI. Articles were included if they reported efficacy and safety data of SCI patients who received NSCT. RESULTS Overall, four studies of the 277 records met all the study eligibility criteria. Over the 1-year follow-up period, motor scores were significantly higher among patients who received NSCT compared with those who did not (American Spinal Injury Association [ASIA] motor scores (mean±standard deviation [SD]): 7.9±1.2 versus 3.9±0.6; upper extremity motor score: 7.8±2.1 versus 3.9±0.6, both P<0.05). Sensory scores (pinprick score: 4.8±1.3 versus 2.9±0.6; P=0.5; light touch score: 6.9±3.1 versus 2.3±0.5, P=0.3), ASIA impairment scale (26% versus 7%) or pain score (baseline: 2.4±0.6; 1-year: 3.4±0.4) were comparable in both NSCT and non-NSCT cohorts. Over the 1-year follow-up period, the graded redefined assessment of strength, sensibility, and prehension and international standards for neurological classification of SCI scores showed a mean improvement of 14.8 and 17.8 points respectively. Overall, treatment with NSCT showed favorable safety and tolerability profile. CONCLUSIONS Due to the limited and poor-quality evidence, it is too early to make robust conclusions on the efficacy of NSCT in the treatment of SCI. However, based on the included studies, NSCT seems to be a potential option worth exploring among patients with SCI. Nonetheless, prospective, randomized trials in larger cohorts are needed to validate the efficacy and safety of NSCT in the treatment of SCI.
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Affiliation(s)
- Santosh Tiwari
- Real-World Insights Group, Centre for Liver Research and Diagnostics, Deccan College of Medical sciences, 500058 Hyderabad, India.
| | - Shaswati Khan
- Department of Genetics, Osmania University, 500058 Hyderabad, India
| | - Shiva V Kumar
- Poona College of Pharmacy, Bharati Vidyapeeth University, 411038 Pune, India
| | - Rohit Rajak
- The International Telematica University, 00186 Rome, Italy
| | - Asma Sultana
- Real-World Insights Group, Centre for Liver Research and Diagnostics, Deccan College of Medical sciences, 500058 Hyderabad, India
| | - Shaik Abjal Pasha
- Department of Clinical Laboratory Sciences, College of Applied Medical Sciences, King Saud University, 11433 Riyadh, Saudi Arabia
| | - Divya Gauba
- Poona College of Pharmacy, Bharati Vidyapeeth University, 411038 Pune, India
| | - Pinaki Ghosh
- Poona College of Pharmacy, Bharati Vidyapeeth University, 411038 Pune, India
| | - Tanu Khurana
- Lord Shiva College of Pharmacy, 125055 Sirsa, India
| | | | - Yugandhar P Reddy
- Department of Zoology, Adoni College of Arts and Science, 518302 Adoni, Kurnool, India
| | - Aleem A Khan
- Real-World Insights Group, Centre for Liver Research and Diagnostics, Deccan College of Medical sciences, 500058 Hyderabad, India
| | - Varun Kumar Sharma
- Real-World Insights Group, Centre for Liver Research and Diagnostics, Deccan College of Medical sciences, 500058 Hyderabad, India; Department of Biotechnology & Microbiology, School of Sciences, Noida International University, 203201 Gautam Budh Nagar, India; Department of Surgery, Oncology and Gastroenterology, University of Padova, 35124 Padova, Italy.
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8
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Song Y, Su X, Firouzian KF, Fang Y, Zhang T, Sun W. Engineering of brain-like tissue constructs via 3D Cell-printing technology. Biofabrication 2020; 12:035016. [DOI: 10.1088/1758-5090/ab7d76] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
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9
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Guillemot-Legris O, Buisseret B, Mutemberezi V, Hermans E, Deumens R, Alhouayek M, Muccioli GG. Post-operative pain in mice is prolonged by diet-induced obesity and rescued by dietary intervention. Brain Behav Immun 2018; 74:96-105. [PMID: 30071254 DOI: 10.1016/j.bbi.2018.07.022] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/20/2018] [Revised: 07/08/2018] [Accepted: 07/25/2018] [Indexed: 12/29/2022] Open
Abstract
The prevalence of obesity has increased at an alarming rate during past decades. Obesity is associated with pathophysiological disorders that can evolve and increase the risk of heart disease, diabetes and hypertension. While the impact of diabetes on post-operative recovery is now known, the consequences of obesity on post-operative pain remain much less explored. Here, we show that obesity affects post-operative pain resolution and leads to a chronic pain state in mice. Several mechanisms were identified as implicated in the prolonged post-operative pain. Indeed, we found that following a hind paw incision, high fat diet prolonged glial cell activation in the spinal cord. It also altered the expression of neurotrophins and increased inflammatory and endoplasmic reticulum stress markers in both central and peripheral nervous systems. Moreover, we show that a dietary intervention, leading to weight reduction and decreased inflammation, was able to restore normal pain sensitivity in mice suffering from chronic pain for more than 10 weeks. In conclusion, our data demonstrate that obesity is responsible for pain chronicization. This is clearly of importance in a clinical post-operative setting.
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Affiliation(s)
- Owein Guillemot-Legris
- Bioanalysis and Pharmacology of Bioactive Lipids Research Group, Louvain Drug Research Institute, Université catholique de Louvain, Avenue Mounier 72 (B1.72.01), 1200 Brussels, Belgium
| | - Baptiste Buisseret
- Bioanalysis and Pharmacology of Bioactive Lipids Research Group, Louvain Drug Research Institute, Université catholique de Louvain, Avenue Mounier 72 (B1.72.01), 1200 Brussels, Belgium
| | - Valentin Mutemberezi
- Bioanalysis and Pharmacology of Bioactive Lipids Research Group, Louvain Drug Research Institute, Université catholique de Louvain, Avenue Mounier 72 (B1.72.01), 1200 Brussels, Belgium
| | - Emmanuel Hermans
- Neuropharmacology Group, Institute of Neuroscience, Université catholique de Louvain, Avenue Hippocrate 54 (B1.54.10), 1200 Brussels, Belgium
| | - Ronald Deumens
- Neuropharmacology Group, Institute of Neuroscience, Université catholique de Louvain, Avenue Hippocrate 54 (B1.54.10), 1200 Brussels, Belgium
| | - Mireille Alhouayek
- Bioanalysis and Pharmacology of Bioactive Lipids Research Group, Louvain Drug Research Institute, Université catholique de Louvain, Avenue Mounier 72 (B1.72.01), 1200 Brussels, Belgium
| | - Giulio G Muccioli
- Bioanalysis and Pharmacology of Bioactive Lipids Research Group, Louvain Drug Research Institute, Université catholique de Louvain, Avenue Mounier 72 (B1.72.01), 1200 Brussels, Belgium.
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10
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Toriumi T, Kawano E, Yamanaka K, Kaneko T, Oka A, Yuguchi M, Isokawa K, Honda M. Odontogenic Tissue Generation Derived from Human Induced Pluripotent Stem Cells Using Tissue Engineering Application. J HARD TISSUE BIOL 2018. [DOI: 10.2485/jhtb.27.257] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/28/2022]
Affiliation(s)
- Taku Toriumi
- Department of Oral Anatomy, School of Dentistry, Aichi Gakuin University
- Department of Anatomy, Nihon University School of Dentistry
| | - Eisuke Kawano
- Department of Periodontology, Nihon University School of Dentistry
| | | | | | | | - Maki Yuguchi
- Department of Anatomy, Nihon University School of Dentistry
| | | | - Masaki Honda
- Department of Oral Anatomy, School of Dentistry, Aichi Gakuin University
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11
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Jin Y, Shumsky JS, Fischer I. Axonal regeneration of different tracts following transplants of human glial restricted progenitors into the injured spinal cord in rats. Brain Res 2018; 1686:101-112. [PMID: 29408659 DOI: 10.1016/j.brainres.2018.01.030] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2017] [Revised: 01/18/2018] [Accepted: 01/21/2018] [Indexed: 12/15/2022]
Abstract
The goal of this study was to compare the efficacy of human glial restricted progenitors (hGRPs) in promoting axonal growth of different tracts. We examined the potential of hGRPs grafted into a cervical (C4) dorsal column lesion to test sensory axons, and into a C4 hemisection to test motor tracts. The hGRPs, thawed from frozen stocks, were suspended in a PureCol matrix and grafted acutely into a C4 dorsal column or hemisection lesion. Control rats received PureCol only. Five weeks after transplantation, all transplanted cells survived in rats with the dorsal column lesion but only about half of the grafts in the hemisection. In the dorsal column lesion group, few sensory axons grew short distances into the lesion site of control animals. The presence of hGRPs transplants enhanced axonal growth significantly farther into the transplants. In the hemisection group, coerulospinal axons extended similarly into both control and transplant groups with no enhancement by the presence of hGRPs. Rubrospinal axons did not grow into the lesion even in the presence of hGRPs. However, reticulospinal and raphespinal axons grew for a significantly longer distance into the transplants. These results demonstrate the differential capacity of axonal growth/regeneration of the motor and sensory tracts based on their intrinsic abilities as well as their response to the modified environment induced by the hGRPs transplants. We conclude that hGRP transplants can modify the injury site for axon growth of sensory and some motor tracts, and suggest they could be combined with other interventions to restore connectivity.
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Affiliation(s)
- Ying Jin
- Department of Neurobiology and Anatomy, Drexel University College of Medicine, Philadelphia, PA 19129, USA.
| | - Jed S Shumsky
- Department of Neurobiology and Anatomy, Drexel University College of Medicine, Philadelphia, PA 19129, USA
| | - Itzhak Fischer
- Department of Neurobiology and Anatomy, Drexel University College of Medicine, Philadelphia, PA 19129, USA
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Trolle C, Ivert P, Hoeber J, Rocamonde-Lago I, Vasylovska S, Lukanidin E, Kozlova EN. Boundary cap neural crest stem cell transplants contribute Mts1/S100A4-expressing cells in the glial scar. Regen Med 2017. [PMID: 28621171 DOI: 10.2217/rme-2016-0163] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/08/2023] Open
Abstract
AIM During development, boundary cap neural crest stem cells (bNCSCs) assist sensory axon growth into the spinal cord. Here we repositioned them to test if they assist regeneration of sensory axons in adult mice after dorsal root avulsion injury. MATERIALS & METHODS Avulsed mice received bNCSC or human neural progenitor (hNP) cell transplants and their contributions to glial scar formation and sensory axon regeneration were analyzed with immunohistochemistry and transganglionic tracing. RESULTS hNPs and bNCSCs form similar gaps in the glial scar, but unlike hNPs, bNCSCs contribute Mts1/S100A4 (calcium-binding protein) expression to the scar and do not assist sensory axon regeneration. CONCLUSION bNCSC transplants contribute nonpermissive Mts1/S100A4-expressing cells to the glial scar after dorsal root avulsion.
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Affiliation(s)
- Carl Trolle
- Department of Neuroscience, Uppsala University, Uppsala, Sweden
| | - Patrik Ivert
- Department of Neuroscience, Uppsala University, Uppsala, Sweden
| | - Jan Hoeber
- Department of Neuroscience, Uppsala University, Uppsala, Sweden
| | | | | | - Eugen Lukanidin
- Department of Molecular Cancer Biology, Danish Cancer Society Research Center, Copenhagen, Denmark
| | - Elena N Kozlova
- Department of Neuroscience, Uppsala University, Uppsala, Sweden
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Hoeber J, König N, Trolle C, Lekholm E, Zhou C, Pankratova S, Åkesson E, Fredriksson R, Aldskogius H, Kozlova EN. A Combinatorial Approach to Induce Sensory Axon Regeneration into the Dorsal Root Avulsed Spinal Cord. Stem Cells Dev 2017; 26:1065-1077. [PMID: 28562227 DOI: 10.1089/scd.2017.0019] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/12/2022] Open
Abstract
Spinal root injuries result in newly formed glial scar formation, which prevents regeneration of sensory axons causing permanent sensory loss. Previous studies showed that delivery of trophic factors or implantation of human neural progenitor cells supports sensory axon regeneration and partly restores sensory functions. In this study, we elucidate mechanisms underlying stem cell-mediated ingrowth of sensory axons after dorsal root avulsion (DRA). We show that human spinal cord neural stem/progenitor cells (hscNSPC), and also, mesoporous silica particles loaded with growth factor mimetics (MesoMIM), supported sensory axon regeneration. However, when hscNSPC and MesoMIM were combined, sensory axon regeneration failed. Morphological and tracing analysis showed that sensory axons grow through the newly established glial scar along "bridges" formed by migrating stem cells. Coimplantation of MesoMIM prevented stem cell migration, "bridges" were not formed, and sensory axons failed to enter the spinal cord. MesoMIM applied alone supported sensory axons ingrowth, but without affecting glial scar formation. In vitro, the presence of MesoMIM significantly impaired migration of hscNSPC without affecting their level of differentiation. Our data show that (1) the ability of stem cells to migrate into the spinal cord and organize cellular "bridges" in the newly formed interface is crucial for successful sensory axon regeneration, (2) trophic factor mimetics delivered by mesoporous silica may be a convenient alternative way to induce sensory axon regeneration, and (3) a combinatorial approach of individually beneficial components is not necessarily additive, but can be counterproductive for axonal growth.
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Affiliation(s)
- Jan Hoeber
- 1 Department of Neuroscience, Uppsala University , Uppsala, Sweden
| | - Niclas König
- 1 Department of Neuroscience, Uppsala University , Uppsala, Sweden
| | - Carl Trolle
- 1 Department of Neuroscience, Uppsala University , Uppsala, Sweden
| | - Emilia Lekholm
- 1 Department of Neuroscience, Uppsala University , Uppsala, Sweden .,2 Department of Pharmaceutical Biosciences, Uppsala University , Uppsala, Sweden
| | | | - Stanislava Pankratova
- 4 Institute of Neuroscience and Pharmacology, University of Copenhagen , Copenhagen, Denmark
| | - Elisabet Åkesson
- 5 Department of Neurobiology, Care Sciences and Society, Karolinska Institutet , Stockholm, Sweden
| | - Robert Fredriksson
- 2 Department of Pharmaceutical Biosciences, Uppsala University , Uppsala, Sweden
| | - Håkan Aldskogius
- 1 Department of Neuroscience, Uppsala University , Uppsala, Sweden
| | - Elena N Kozlova
- 1 Department of Neuroscience, Uppsala University , Uppsala, Sweden
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14
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Affiliation(s)
- Jan Hoeber
- Uppsala University, Department of Neuroscience, Uppsala, Sweden
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15
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Eggers R, Tannemaat MR, De Winter F, Malessy MJA, Verhaagen J. Clinical and neurobiological advances in promoting regeneration of the ventral root avulsion lesion. Eur J Neurosci 2015; 43:318-35. [PMID: 26415525 DOI: 10.1111/ejn.13089] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2015] [Revised: 08/31/2015] [Accepted: 09/23/2015] [Indexed: 12/27/2022]
Abstract
Root avulsions due to traction to the brachial plexus causes complete and permanent loss of function. Until fairly recent, such lesions were considered impossible to repair. Here we review clinical repair strategies and current progress in experimental ventral root avulsion lesions. The current gold standard in patients with a root avulsion is nerve transfer, whereas reimplantation of the avulsed root into the spinal cord has been performed in a limited number of cases. These neurosurgical repair strategies have significant benefit for the patient but functional recovery remains incomplete. Developing new ways to improve the functional outcome of neurosurgical repair is therefore essential. In the laboratory, the molecular and cellular changes following ventral root avulsion and the efficacy of intervention strategies have been studied at the level of spinal motoneurons, the ventral spinal root and peripheral nerve, and the skeletal muscle. We present an overview of cell-based pharmacological and neurotrophic factor treatment approaches that have been applied in combination with surgical reimplantation. These interventions all demonstrate neuroprotective effects on avulsed motoneurons, often accompanied with various degrees of axonal regeneration. However, effects on survival are usually transient and robust axon regeneration over long distances has as yet not been achieved. Key future areas of research include finding ways to further extend the post-lesion survival period of motoneurons, the identification of neuron-intrinsic factors which can promote persistent and long-distance axon regeneration, and finally prolonging the pro-regenerative state of Schwann cells in the distal nerve.
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Affiliation(s)
- Ruben Eggers
- Laboratory for Neuroregeneration, Netherlands Institute for Neuroscience, Meibergdreef 47, 1105 BA, Amsterdam, the Netherlands
| | - Martijn R Tannemaat
- Laboratory for Neuroregeneration, Netherlands Institute for Neuroscience, Meibergdreef 47, 1105 BA, Amsterdam, the Netherlands.,Department of Neurology, Leiden University Medical Center, Leiden, the Netherlands
| | - Fred De Winter
- Laboratory for Neuroregeneration, Netherlands Institute for Neuroscience, Meibergdreef 47, 1105 BA, Amsterdam, the Netherlands.,Department of Neurosurgery, Leiden University Medical Center, Leiden, the Netherlands
| | - Martijn J A Malessy
- Laboratory for Neuroregeneration, Netherlands Institute for Neuroscience, Meibergdreef 47, 1105 BA, Amsterdam, the Netherlands.,Department of Neurosurgery, Leiden University Medical Center, Leiden, the Netherlands
| | - Joost Verhaagen
- Laboratory for Neuroregeneration, Netherlands Institute for Neuroscience, Meibergdreef 47, 1105 BA, Amsterdam, the Netherlands.,Department of Molecular and Cellular Neurobiology, Center for Neurogenomics and Cognition research, Vrije Universiteit Amsterdam, Amsterdam, the Netherlands
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