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Zeng CW, Tsai HJ. The Promising Role of a Zebrafish Model Employed in Neural Regeneration Following a Spinal Cord Injury. Int J Mol Sci 2023; 24:13938. [PMID: 37762240 PMCID: PMC10530783 DOI: 10.3390/ijms241813938] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Revised: 09/07/2023] [Accepted: 09/09/2023] [Indexed: 09/29/2023] Open
Abstract
Spinal cord injury (SCI) is a devastating event that results in a wide range of physical impairments and disabilities. Despite the advances in our understanding of the biological response to injured tissue, no effective treatments are available for SCIs at present. Some studies have addressed this issue by exploring the potential of cell transplantation therapy. However, because of the abnormal microenvironment in injured tissue, the survival rate of transplanted cells is often low, thus limiting the efficacy of such treatments. Many studies have attempted to overcome these obstacles using a variety of cell types and animal models. Recent studies have shown the utility of zebrafish as a model of neural regeneration following SCIs, including the proliferation and migration of various cell types and the involvement of various progenitor cells. In this review, we discuss some of the current challenges in SCI research, including the accurate identification of cell types involved in neural regeneration, the adverse microenvironment created by SCIs, attenuated immune responses that inhibit nerve regeneration, and glial scar formation that prevents axonal regeneration. More in-depth studies are needed to fully understand the neural regeneration mechanisms, proteins, and signaling pathways involved in the complex interactions between the SCI microenvironment and transplanted cells in non-mammals, particularly in the zebrafish model, which could, in turn, lead to new therapeutic approaches to treat SCIs in humans and other mammals.
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Affiliation(s)
- Chih-Wei Zeng
- Department of Molecular Biology, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA;
- Hamon Center for Regenerative Science and Medicine, University of Texas Southwestern Medical Center, Dallas, TX 75390, USA
| | - Huai-Jen Tsai
- Department of Life Science, Fu Jen Catholic University, New Taipei City 242062, Taiwan
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Rahimi B, Behroozi Z, Motamednezhad A, Jafarpour M, Hamblin MR, Moshiri A, Janzadeh A, Ramezani F. Study of nerve cell regeneration on nanofibers containing cerium oxide nanoparticles in a spinal cord injury model in rats. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2023; 34:9. [PMID: 36809518 PMCID: PMC9944598 DOI: 10.1007/s10856-023-06711-9] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 07/19/2022] [Accepted: 01/15/2023] [Indexed: 05/17/2023]
Abstract
Since the CNS is unable to repair itself via neuronal regeneration in adult mammals, alternative therapies need to be found. The use of cerium oxide nanoparticles to repair nerve damage could be a promising approach for spinal cord reconstruction. In this study, we constructed a scaffold containing cerium oxide nanoparticles (Scaffold-CeO2) and investigated the rate of nerve cell regeneration in a rat model of spinal cord injury. The scaffold of gelatin and polycaprolactone was synthesized, and a gelatin solution containing cerium oxide nanoparticles was attached to the scaffold. For the animal study, 40 male Wistar rats were randomly divided into 4 groups (n = 10): (a) Control; (b) Spinal cord injury (SCI); (c) Scaffold (SCI + scaffold without CeO2 nanoparticles); (d) Scaffold-CeO2 (SCI + scaffold containing CeO2 nanoparticles). After creation of a hemisection SCI, scaffolds were placed at the site of injury in groups c and d, and after 7 weeks the rats were subjected to behavioral tests and then sacrificed for preparation of the spinal cord tissue to measure the expression of G-CSF, Tau and Mag proteins by Western blotting and Iba-1 protein by immunohistochemistry. The result of behavioral tests confirmed motor improvement and pain reduction in the Scaffold-CeO2 group compared to the SCI group. Decreased expression of Iba-1 and higher expression of Tau and Mag in the Scaffold-CeO2 group compared to the SCI group could be the result of nerve regeneration caused by the scaffold containing CeONPs as well as relief of pain symptoms.
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Affiliation(s)
- Behnaz Rahimi
- Department of basic sciences, Saveh University of Medical Sciences, Saveh, Iran
| | - Zahra Behroozi
- Physiology Research Center, Institute of Neuropharmacology, Kerman University of Medical Science, Kerman, Iran
| | - Ali Motamednezhad
- Radiation Biology Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Maral Jafarpour
- International Campus, Iran University of Medical Sciences, Tehran, Iran
| | - Michael R Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein, 2028, South Africa
| | | | - Atousa Janzadeh
- Radiation Biology Research Center, Iran University of Medical Sciences, Tehran, Iran.
| | - Fatemeh Ramezani
- Physiology Research Center, Iran University of Medical Sciences, Tehran, Iran.
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Behroozi Z, Rahimi B, Hamblin MR, Nasirinezhad F, Janzadeh A, Ramezani F. Injection of Cerium Oxide Nanoparticles to Treat Spinal Cord Injury in Rats. J Neuropathol Exp Neurol 2022; 81:635-642. [PMID: 35472142 PMCID: PMC9297098 DOI: 10.1093/jnen/nlac026] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/25/2023] Open
Abstract
This study investigated the effects of local injection of cerium oxide nanoparticles (CeONPs) in a rat spinal cord injury (SCI) model. Thirty-six adult male Wistar rats were divided into 4 groups: controls (healthy animals), sham (laminectomy), SCI (laminectomy+SCI induction), and treatment (laminectomy+SCI induction+intrathecal injection of CeONPs immediately after injury). SCI was induced using an aneurysm clip at the T12-T13 vertebral region. Motor performance and pain threshold tests were performed weekly; H&E staining and measurement of cavity sizes were performed 6 weeks after injury. The expression of granulocyte colony-stimulating factor (GCSF), P44/42 MAPK, P-P44/42 MAPK, Tau, myelin-associated glycoprotein(MAG) was evaluated after 6 weeks by Western blot. The Basso, Beattie, and Bresnahan locomotor scoring scales improved in animals receiving CeONPs compared with SCI animals. The cavity sizes were less in the treatment group. GCSF expression was similar in the animals receiving CeONPs compared with the SCI group but the expression of ERK1/ERK2 and phospho-ERK was lower than in the SCI group. Expression levels of Tau and MAG were significantly increased in treated animals compared to the SCI group. These data indicate that the use of CeONPs may improve motor functional recovery in SCI.
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Affiliation(s)
- Zahra Behroozi
- From the Physiology Research Center, Institute of Neuropharmaclogy, Kerman University of Medical Sciences. Kerman, Iran
- Department of Physiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Behnaz Rahimi
- Department of Physiology, School of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Michael R Hamblin
- Laser Research Centre, Faculty of Health Science, University of Johannesburg, Doornfontein, South Africa
| | - Farinaz Nasirinezhad
- Physiology Research Center, Faculty of Medicine, Iran University of Medical Sciences, Tehran, Iran
| | - Atousa Janzadeh
- Radiation Biology Research Center, Iran University of Medical Sciences, Tehran, Iran
| | - Fatemeh Ramezani
- Physiology Research Center, Iran University of Medical Sciences, Tehran, Iran
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Pinelli F, Pizzetti F, Veneruso V, Petillo E, Raghunath M, Perale G, Veglianese P, Rossi F. Biomaterial-Mediated Factor Delivery for Spinal Cord Injury Treatment. Biomedicines 2022; 10:biomedicines10071673. [PMID: 35884981 PMCID: PMC9313204 DOI: 10.3390/biomedicines10071673] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/28/2022] [Revised: 05/24/2022] [Accepted: 07/05/2022] [Indexed: 11/19/2022] Open
Abstract
Spinal cord injury (SCI) is an injurious process that begins with immediate physical damage to the spinal cord and associated tissues during an acute traumatic event. However, the tissue damage expands in both intensity and volume in the subsequent subacute phase. At this stage, numerous events exacerbate the pathological condition, and therein lies the main cause of post-traumatic neural degeneration, which then ends with the chronic phase. In recent years, therapeutic interventions addressing different neurodegenerative mechanisms have been proposed, but have met with limited success when translated into clinical settings. The underlying reasons for this are that the pathogenesis of SCI is a continued multifactorial disease, and the treatment of only one factor is not sufficient to curb neural degeneration and resulting paralysis. Recent advances have led to the development of biomaterials aiming to promote in situ combinatorial strategies using drugs/biomolecules to achieve a maximized multitarget approach. This review provides an overview of single and combinatorial regenerative-factor-based treatments as well as potential delivery options to treat SCIs.
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Affiliation(s)
- Filippo Pinelli
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Via Mancinelli 7, 20131 Milan, Italy; (F.P.); (F.P.); (E.P.)
| | - Fabio Pizzetti
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Via Mancinelli 7, 20131 Milan, Italy; (F.P.); (F.P.); (E.P.)
| | - Valeria Veneruso
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Via Mario Negri 2, 20156 Milan, Italy;
| | - Emilia Petillo
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Via Mancinelli 7, 20131 Milan, Italy; (F.P.); (F.P.); (E.P.)
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Via Mario Negri 2, 20156 Milan, Italy;
| | - Michael Raghunath
- Center for Cell Biology and Tissue Engineering, Institute for Chemistry and Biotechnology (ICBT), Zurich University of Applied Sciences (ZHAW), 8820 Wädenswil, Switzerland;
| | - Giuseppe Perale
- Faculty of Biomedical Sciences, University of Southern Switzerland (USI), Via Buffi 13, 6900 Lugano, Switzerland;
- Ludwig Boltzmann Institute for Experimental and Clinical Traumatology, Donaueschingenstrasse 13, 1200 Vienna, Austria
| | - Pietro Veglianese
- Istituto di Ricerche Farmacologiche Mario Negri IRCCS, Via Mario Negri 2, 20156 Milan, Italy;
- Correspondence: (P.V.); (F.R.); Tel.: +39-02-3901-4205 (P.V.); +39-02-2399-3145 (F.R.)
| | - Filippo Rossi
- Department of Chemistry, Materials and Chemical Engineering “Giulio Natta”, Politecnico di Milano, Via Mancinelli 7, 20131 Milan, Italy; (F.P.); (F.P.); (E.P.)
- Correspondence: (P.V.); (F.R.); Tel.: +39-02-3901-4205 (P.V.); +39-02-2399-3145 (F.R.)
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Song BG, Kwon SY, Kyung JW, Roh EJ, Choi H, Lim CS, An SB, Sohn S, Han I. Synaptic Cell Adhesion Molecule 3 (SynCAM3) Deletion Promotes Recovery from Spinal Cord Injury by Limiting Glial Scar Formation. Int J Mol Sci 2022; 23:ijms23116218. [PMID: 35682897 PMCID: PMC9181792 DOI: 10.3390/ijms23116218] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/26/2022] [Revised: 05/26/2022] [Accepted: 05/31/2022] [Indexed: 02/07/2023] Open
Abstract
Synaptic cell adhesion molecules (SynCAMs) play an important role in the formation and maintenance of synapses and the regulation of synaptic plasticity. SynCAM3 is expressed in the synaptic cleft of the central nervous system (CNS) and is involved in the connection between axons and astrocytes. We hypothesized that SynCAM3 may be related to the astrocytic scar (glial scar, the most important factor of CNS injury treatment) through extracellular matrix (ECM) reconstitution. Thus, we investigated the influence of the selective removal of SynCAM3 on the outcomes of spinal cord injury (SCI). SynCAM3 knock-out (KO) mice were subjected to moderate compression injury of the lower thoracic spinal cord using wild-type (WT) (C57BL/6JJc1) mice as controls. Single-cell RNA sequencing analysis over time, quantitative real-time polymerase chain reaction (qRT-PCR) analysis, and immunohistochemistry (IHC) showed reduced scar formation in SynCAM3 KO mice compared to WT mice. SynCAM3 KO mice showed improved functional recovery from SCI by preventing the transformation of reactive astrocytes into scar-forming astrocytes, resulting in improved ECM reconstitution at four weeks after injury. Our findings suggest that SynCAM3 could be a novel therapeutic target for SCI.
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Affiliation(s)
- Byeong Gwan Song
- Department of Neurosurgery, CHA University School of Medicine, CHA Bundang Medical Center, Seongnam-si 13496, Gyeonggi-do, Korea; (B.G.S.); (S.Y.K.); (J.W.K.); (E.J.R.); (H.C.); (C.S.L.); (S.B.A.); (S.S.)
- Department of Life Science, CHA University School of Medicine, Seongnam-si 13488, Gyeonggi-do, Korea
| | - Su Yeon Kwon
- Department of Neurosurgery, CHA University School of Medicine, CHA Bundang Medical Center, Seongnam-si 13496, Gyeonggi-do, Korea; (B.G.S.); (S.Y.K.); (J.W.K.); (E.J.R.); (H.C.); (C.S.L.); (S.B.A.); (S.S.)
| | - Jae Won Kyung
- Department of Neurosurgery, CHA University School of Medicine, CHA Bundang Medical Center, Seongnam-si 13496, Gyeonggi-do, Korea; (B.G.S.); (S.Y.K.); (J.W.K.); (E.J.R.); (H.C.); (C.S.L.); (S.B.A.); (S.S.)
| | - Eun Ji Roh
- Department of Neurosurgery, CHA University School of Medicine, CHA Bundang Medical Center, Seongnam-si 13496, Gyeonggi-do, Korea; (B.G.S.); (S.Y.K.); (J.W.K.); (E.J.R.); (H.C.); (C.S.L.); (S.B.A.); (S.S.)
- Department of Life Science, CHA University School of Medicine, Seongnam-si 13488, Gyeonggi-do, Korea
| | - Hyemin Choi
- Department of Neurosurgery, CHA University School of Medicine, CHA Bundang Medical Center, Seongnam-si 13496, Gyeonggi-do, Korea; (B.G.S.); (S.Y.K.); (J.W.K.); (E.J.R.); (H.C.); (C.S.L.); (S.B.A.); (S.S.)
| | - Chang Su Lim
- Department of Neurosurgery, CHA University School of Medicine, CHA Bundang Medical Center, Seongnam-si 13496, Gyeonggi-do, Korea; (B.G.S.); (S.Y.K.); (J.W.K.); (E.J.R.); (H.C.); (C.S.L.); (S.B.A.); (S.S.)
| | - Seong Bae An
- Department of Neurosurgery, CHA University School of Medicine, CHA Bundang Medical Center, Seongnam-si 13496, Gyeonggi-do, Korea; (B.G.S.); (S.Y.K.); (J.W.K.); (E.J.R.); (H.C.); (C.S.L.); (S.B.A.); (S.S.)
| | - Seil Sohn
- Department of Neurosurgery, CHA University School of Medicine, CHA Bundang Medical Center, Seongnam-si 13496, Gyeonggi-do, Korea; (B.G.S.); (S.Y.K.); (J.W.K.); (E.J.R.); (H.C.); (C.S.L.); (S.B.A.); (S.S.)
| | - Inbo Han
- Department of Neurosurgery, CHA University School of Medicine, CHA Bundang Medical Center, Seongnam-si 13496, Gyeonggi-do, Korea; (B.G.S.); (S.Y.K.); (J.W.K.); (E.J.R.); (H.C.); (C.S.L.); (S.B.A.); (S.S.)
- Correspondence:
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Mukherjee N, Adak A, Ghosh S. Recent trends in the development of peptide and protein-based hydrogel therapeutics for the healing of CNS injury. SOFT MATTER 2020; 16:10046-10064. [PMID: 32724981 DOI: 10.1039/d0sm00885k] [Citation(s) in RCA: 30] [Impact Index Per Article: 7.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Traumatic brain injury (TBI) and spinal cord injury (SCI) cause millions of deaths and permanent or prolonged physical disabilities around the globe every year. It generally happens due to various incidents, such as accidents during sports, war, physical assault, and strokes which result in severe damage to brain and spinal cord. If this remains untreated, traumatic CNS injuries may lead to early development of several neurodegenerative diseases like Alzheimer's, Parkinson, multiple sclerosis, and other mental illnesses. The initial physical reaction, which is also termed as the primary phase, includes swelling, followed by inflammation as a result of internal haemorrhage causing damage to indigenous tissue, i.e., axonal shear injury, rupture of blood vessels, and partial impaired supply of oxygen and essential nutrients in the neurons, thereby initiating a cascade of events causing secondary injuries such as hypoxia, hypotension, cognitive impairment, seizures, imbalanced calcium homeostasis and glutamate-induced excitotoxicity resulting in concomitant neuronal cell death and cumulative permanent tissue damage. In the modern era of advanced biomedical technology, we are still living with scarcity of the clinically applicable comparative non-invasive therapeutic strategies for regeneration or functional recovery of neurons or neural networks after a massive CNS injury. One of the key reasons for this scarcity is the limited regenerative ability of neurons in CNS. Growth-impermissive glial scar and the lack of a synthetic biocompatible platform for proper neural tissue engineering and controlled supply of drugs further retard the healing process. Injectable or implantable hydrogel materials, consisting majorly of water in its porous three-dimensional (3D) structure, can serve as an excellent drug delivery platform as well as a transplanted cell-supporting scaffold medium. Among the various neuro-compatible bioinspired materials, we are limiting our discussion to the recent advancement of engineered biomaterials comprising mainly of peptides and proteins due to their growing demand, low immunogenicity and versatility in the fabrication of neuro regenerative medicine. In this article, we try to explore all the recent scientific avenues that are developing gradually to make peptide and peptide-conjugated biomaterial hydrogels as a therapeutic and supporting scaffold for treating CNS injuries.
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Affiliation(s)
- Nabanita Mukherjee
- Department of Bioscience & Bioengineering, Indian Institute of Technology Jodhpur, NH 65, Surpura Bypass Road, Karwar, Rajasthan 342037, India.
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