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Wei C, Guo Y, Ci Z, Li M, Zhang Y, Zhou Y. Advances of Schwann cells in peripheral nerve regeneration: From mechanism to cell therapy. Biomed Pharmacother 2024; 175:116645. [PMID: 38729050 DOI: 10.1016/j.biopha.2024.116645] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/30/2024] [Revised: 04/18/2024] [Accepted: 04/24/2024] [Indexed: 05/12/2024] Open
Abstract
Peripheral nerve injuries (PNIs) frequently occur due to various factors, including mechanical trauma such as accidents or tool-related incidents, as well as complications arising from diseases like tumor resection. These injuries frequently result in persistent numbness, impaired motor and sensory functions, neuropathic pain, or even paralysis, which can impose a significant financial burden on patients due to outcomes that often fall short of expectations. The most frequently employed clinical treatment for PNIs involves either direct sutures of the severed ends or bridging the proximal and distal stumps using autologous nerve grafts. However, autologous nerve transplantation may result in sensory and motor functional loss at the donor site, as well as neuroma formation and scarring. Transplantation of Schwann cells/Schwann cell-like cells has emerged as a promising cellular therapy to reconstruct the microenvironment and facilitate peripheral nerve regeneration. In this review, we summarize the role of Schwann cells and recent advances in Schwann cell therapy in peripheral nerve regeneration. We summarize current techniques used in cell therapy, including cell injection, 3D-printed scaffolds for cell delivery, cell encapsulation techniques, as well as the cell types employed in experiments, experimental models, and research findings. At the end of the paper, we summarize the challenges and advantages of various cells (including ESCs, iPSCs, and BMSCs) in clinical cell therapy. Our goal is to provide the theoretical and experimental basis for future treatments targeting peripheral nerves, highlighting the potential of cell therapy and tissue engineering as invaluable resources for promoting nerve regeneration.
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Affiliation(s)
- Chuqiao Wei
- Department of Oral Implantology, Hospital of Stomatology, Jilin University, Changchun, China; Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun, China
| | - Yuanxin Guo
- Department of Oral Implantology, Hospital of Stomatology, Jilin University, Changchun, China; Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun, China
| | - Zhen Ci
- Department of Oral Implantology, Hospital of Stomatology, Jilin University, Changchun, China; Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun, China
| | - Mucong Li
- Department of Oral Implantology, Hospital of Stomatology, Jilin University, Changchun, China; Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun, China
| | - Yidi Zhang
- Department of Oral Implantology, Hospital of Stomatology, Jilin University, Changchun, China; Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun, China.
| | - Yanmin Zhou
- Department of Oral Implantology, Hospital of Stomatology, Jilin University, Changchun, China; Jilin Provincial Key Laboratory of Tooth Development and Bone Remodeling, Hospital of Stomatology, Jilin University, Changchun, China.
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Kashef SM, Abo Elnasr SE. Effect of peripheral blood mononuclear cells on ischemia-reperfusion injury of sciatic nerve of adult male albino rat: histological, immunohistochemical, and ultrastructural study. Ultrastruct Pathol 2024; 48:172-191. [PMID: 38421153 DOI: 10.1080/01913123.2024.2321144] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/15/2023] [Accepted: 02/15/2024] [Indexed: 03/02/2024]
Abstract
Ischemia/reperfusion (I/R) injury of sciatic nerve is a serious condition that results in nerve fiber degeneration, and reperfusion causes oxidative injury. Peripheral blood mononuclear cells (PBMNCs) have neuroregenerative power. This study was carried out to evaluate the potential ameliorative effect of PBMNCs on changes induced by I/R injury of the sciatic nerve. Fifty adult male albino rats were divided into donor and experimental groups that were subdivided into four groups: group I (control group), group II received 50 µL PBNMCs once intravenously via the tail vein, group III rubber tourniquet was placed around their Rt hind limb root for 2 hours to cause ischemia, group IV was subjected to limb ischemia as group III, then they were injected with 50 ul PBMNCs as group II before reperfusion. I/R injury showed disorganization of nerve fascicles with wide spaces in between nerve fibers. The mean area of collagen fibers, iNOS immunoexpression, and number of GFAP-positive Schwann cells of myelinated fibers showed a highly significant increase, while a highly significant reduction in the G-ratio and neurofilament immunoexpression was observed. Myelin splitting, invagination, evagination, and myelin figures were detected. PBMNC-treated group showed a marked improvement that was confirmed by histological, immunohistochemical, and ultrastructural findings.
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3
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da Silva BR, de Melo Reis RA, Ribeiro-Resende VT. A Comparative Investigation of Axon-Blood Vessel Growth Interaction in the Regenerating Sciatic and Optic Nerves in Adult Mice. Mol Neurobiol 2024; 61:2215-2227. [PMID: 37864766 DOI: 10.1007/s12035-023-03705-0] [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: 07/06/2023] [Accepted: 10/10/2023] [Indexed: 10/23/2023]
Abstract
The vascular and the nervous systems share similarities in addition to their complex role in providing oxygen and nutrients to all cells. Both are highly branched networks that frequently grow close to one another during development. Vascular patterning and neural wiring share families of guidance cues and receptors. Most recently, this relationship has been investigated in terms of peripheral nervous system (PNS) regeneration, where nerves and blood vessels often run in parallel so endothelial cells guide the formation of the Büngner bands which support axonal regeneration. Here, we characterized the vascular response in regenerative models of the central and peripheral nervous system. After sciatic nerve crush, followed by axon regeneration, there was a significant increase in the blood vessel density 7 days after injury. In addition, the optic nerve crush model was used to evaluate intrinsic regenerative potential activated with a combined treatment that stimulated retinal ganglion cells (RGCs) regrowth. We observed that a 2-fold change in the total number of blood vessels occurred 7 days after optic nerve crush compared to the uncrushed nerve. The difference increased up to a 2.7-fold change 2 weeks after the crush. Interestingly, we did not observe differences in the total number of blood vessels 2 weeks after crush, compared to animals that had received combined treatment for regeneration and controls. Therefore, the vascular characterization showed that the increase in vascular density was not related to the efficiency of both peripheral and central axonal regeneration.
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Affiliation(s)
- Barbara Rangel da Silva
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, 21941-902, Brazil
| | - Ricardo A de Melo Reis
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, 21941-902, Brazil
| | - Victor Túlio Ribeiro-Resende
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, 21941-902, Brazil.
- Núcleo Multidisciplinar de Pesquisa em Biologia (Numpex-Bio), Campus de Duque de Caxias Geraldo Cidade, Universidade Federal do Rio de Janeiro, Duque de Caxias, Brazil.
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Nasiry D, Khalatbary AR. Stem cell-derived extracellular vesicle-based therapy for nerve injury: A review of the molecular mechanisms. World Neurosurg X 2023; 19:100201. [PMID: 37181584 PMCID: PMC10173266 DOI: 10.1016/j.wnsx.2023.100201] [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: 10/30/2022] [Revised: 04/10/2023] [Accepted: 04/19/2023] [Indexed: 05/16/2023] Open
Abstract
Recent evidence suggests that stem cell therapy has beneficial effects on nerve damage. These beneficial effects were subsequently found to be exerted in part in a paracrine manner by the release of extracellular vesicles. Stem cell-secreted extracellular vesicles have shown great potential to reduce inflammation and apoptosis, optimize the function of Schwann cells, regulate genes related to regeneration, and improve behavioral performance after nerve damage. This review summarizes the current knowledge on the effect of stem cell-derived extracellular vesicles on neuroprotection and regeneration along with their molecular mechanisms after nerve damage.
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Affiliation(s)
- Davood Nasiry
- Amol Faculty of Paramedicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Ali Reza Khalatbary
- Cellular and Molecular Research Center, Mazandaran University of Medical Sciences, Sari, Iran
- Corresponding author.
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5
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Piñero G, Vence M, Aranda ML, Cercato MC, Soto PA, Usach V, Setton-Avruj PC. All the PNS is a Stage: Transplanted Bone Marrow Cells Play an Immunomodulatory Role in Peripheral Nerve Regeneration. ASN Neuro 2023; 15:17590914231167281. [PMID: 37654230 PMCID: PMC10475269 DOI: 10.1177/17590914231167281] [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: 09/22/2022] [Revised: 02/28/2023] [Accepted: 03/16/2023] [Indexed: 09/02/2023] Open
Abstract
SUMMARY STATEMENT Bone marrow cell transplant has proven to be an effective therapeutic approach to treat peripheral nervous system injuries as it not only promoted regeneration and remyelination of the injured nerve but also had a potent effect on neuropathic pain.
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Affiliation(s)
- Gonzalo Piñero
- Departamento de Química Biológica, Cátedra de Química Biológica Patalógica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina
- Universidad de Buenos Aires-CONICET, Instituto de Química y Fisicoquímica Biológicas (IQUIFIB), Ciudad Autónoma de Buenos Aires, Argentina
- Department of Pathology, Mount Sinai Hospital, New York, NY, USA
| | - Marianela Vence
- Universidad de Buenos Aires-CONICET, Instituto de Química y Fisicoquímica Biológicas (IQUIFIB), Ciudad Autónoma de Buenos Aires, Argentina
| | - Marcos L. Aranda
- Universidad de Buenos Aires-CONICET, Centro de Estudios Farmacológicos y Botánicos (CEFYBO), Ciudad Autónoma de Buenos Aires, Argentina
- Department of Neurobiology, Weinberg College of Arts and Sciences, Northwestern University, Evanston, IL, USA
| | - Magalí C. Cercato
- Universidad de Buenos Aires-CONICET, Instituto de Química y Fisicoquímica Biológicas (IQUIFIB), Ciudad Autónoma de Buenos Aires, Argentina
| | - Paula A. Soto
- Departamento de Química Biológica, Cátedra de Química Biológica Patalógica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina
- Universidad de Buenos Aires-CONICET, Instituto de Química y Fisicoquímica Biológicas (IQUIFIB), Ciudad Autónoma de Buenos Aires, Argentina
| | - Vanina Usach
- Departamento de Química Biológica, Cátedra de Química Biológica Patalógica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina
- Universidad de Buenos Aires-CONICET, Instituto de Química y Fisicoquímica Biológicas (IQUIFIB), Ciudad Autónoma de Buenos Aires, Argentina
| | - Patricia C. Setton-Avruj
- Departamento de Química Biológica, Cátedra de Química Biológica Patalógica, Facultad de Farmacia y Bioquímica, Universidad de Buenos Aires, Ciudad Autónoma de Buenos Aires, Argentina
- Universidad de Buenos Aires-CONICET, Instituto de Química y Fisicoquímica Biológicas (IQUIFIB), Ciudad Autónoma de Buenos Aires, Argentina
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de Fátima Dos Santos Sampaio M, Santana Bastos Boechat M, Augusto Gusman Cunha I, Gonzaga Pereira M, Coimbra NC, Giraldi-Guimarães A. Neurotrophin-3 upregulation associated with intravenous transplantation of bone marrow mononuclear cells induces axonal sprouting and motor functional recovery in the long term after neocortical ischaemia. Brain Res 2021; 1758:147292. [PMID: 33516814 DOI: 10.1016/j.brainres.2021.147292] [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: 06/15/2020] [Revised: 01/06/2021] [Accepted: 01/07/2021] [Indexed: 10/22/2022]
Abstract
Bone marrow mononuclear cells (BMMCs) have been identified as a relevant therapeutic strategy for the treatment of several chronic diseases of the central nervous system. The aim of this work was to evaluate whether intravenous treatment with BMMCs facilitates the reconnection of lesioned cortico-cortical and cortico-striatal pathways, together with motor recovery, in injured adult Wistar rats using an experimental model of unilateral focal neocortical ischaemia. Animals with cerebral cortex ischaemia underwent neural tract tracing for axonal fibre analysis, differential expression analysis of genes involved in apoptosis and neuroplasticity by RT-qPCR, and motor performance assessment by the cylinder test. Quantitative and qualitative analyses of axonal fibres labelled by an anterograde neural tract tracer were performed. Ischaemic animals treated with BMMCs showed a significant increase in axonal sprouting in the ipsilateral neocortex and in the striatum contralateral to the injured cortical areas compared to untreated rodents. In BMMC-treated animals, there was a trend towards upregulation of the Neurotrophin-3 gene compared to the other genes, as well as modulation of apoptosis by BMMCs. On the 56th day after ischaemia, BMMC-treated animals showed significant improvement in motor performance compared to untreated rats. These results suggest that in the acute phase of ischaemia, Neurotrophin-3 is upregulated in response to the lesion itself. In the long run, therapy with BMMCs causes axonal sprouting, reconnection of damaged neuronal circuitry and a significant increase in motor performance.
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Affiliation(s)
- Maria de Fátima Dos Santos Sampaio
- Laboratory of Tissue and Cellular Biology, Centre of Biosciences and Biotechnology of Darcy Ribeiro Northern Fluminense State University (UENF), Av. Alberto Lamego, 2000, Campos dos Goytacazes, 28013-602, Rio de Janeiro, Brazil; Laboratory of Neuroanatomy and Neuropsychobiology, Department of Pharmacology, Ribeirão Preto Medical School of the University of São Paulo (FMRP-USP), Av Bandeirantes, 3900, Ribeirão Preto, 14049-900, São Paulo, Brazil.
| | - Marcela Santana Bastos Boechat
- Laboratory of Plant Breeding of Darcy Ribeiro Northern Fluminense State University (UENF), Av. Alberto Lamego, 2000, Campos dos Goytacazes, 28013-602, Rio de Janeiro, Brazil
| | - Igor Augusto Gusman Cunha
- Laboratory of Tissue and Cellular Biology, Centre of Biosciences and Biotechnology of Darcy Ribeiro Northern Fluminense State University (UENF), Av. Alberto Lamego, 2000, Campos dos Goytacazes, 28013-602, Rio de Janeiro, Brazil
| | - Messias Gonzaga Pereira
- Laboratory of Plant Breeding of Darcy Ribeiro Northern Fluminense State University (UENF), Av. Alberto Lamego, 2000, Campos dos Goytacazes, 28013-602, Rio de Janeiro, Brazil
| | - Norberto Cysne Coimbra
- Laboratory of Neuroanatomy and Neuropsychobiology, Department of Pharmacology, Ribeirão Preto Medical School of the University of São Paulo (FMRP-USP), Av Bandeirantes, 3900, Ribeirão Preto, 14049-900, São Paulo, Brazil.
| | - Arthur Giraldi-Guimarães
- Laboratory of Tissue and Cellular Biology, Centre of Biosciences and Biotechnology of Darcy Ribeiro Northern Fluminense State University (UENF), Av. Alberto Lamego, 2000, Campos dos Goytacazes, 28013-602, Rio de Janeiro, Brazil
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Wei W, Li L, Deng L, Wang ZJ, Dong JJ, Lyu XY, Jia T, Wang L, Wang HX, Mao H, Zhao S. Autologous Bone Marrow Mononuclear Cell Transplantation Therapy Improved Symptoms in Patients with Refractory Diabetic Sensorimotor Polyneuropathy via the Mechanisms of Paracrine and Immunomodulation: A Controlled Study. Cell Transplant 2020; 29:963689720949258. [PMID: 32787571 PMCID: PMC7563922 DOI: 10.1177/0963689720949258] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022] Open
Abstract
We recently reported that transplantation of autologous bone marrow mononuclear
cells (BM-MNCs) may be an effective and promising therapy to treat refractory
diabetic sensorimotor polyneuropathy (DSPN) in patients with type 2 diabetes
mellitus (T2DM). This study was designed to investigate the potential mechanisms
of BM-MNCs therapy, which recruited 60 patients with DSPN, 30 T2DM patients
without complications, and 30 healthy control participants. All clinical
parameters, the levels of inflammatory markers, and growth factors in the three
groups were compared. Patients in DSPN group had higher level of tumor necrosis
factor-α (TNF-α) (DSPN vs control, 412.90 ± 64.58 vs 374.81 ± 63.18 pg/mL,
P < 0.01) and lower level of vascular endothelial growth
factor (VEGF) (DSPN vs control, 140.93 ± 24.78 vs 157.39 ± 25.11 pg/mL,
P < 0.01) than those in control group. DSPN group had
the highest level of soluble intercellular adhesion molecule-1 (sICAM-1) among
three groups (DSPN and DM vs control, 1477.56 ± 228.00 and 1342.17 ± 237.54 vs
1308.00 ± 200.94 ng/mL, P < 0.05). The level of nerve growth
factor in the DSPN group was slightly lower than that in the DM group (DSPN vs
DM, 3509.11 ± 438.39 vs 3734.87 ± 647.50 pg/mL, P < 0.05).
All patients with DSPN received one intramuscular injection of BM-MNCs and
clinical follow-ups after the therapy for 2 days, 1, 4, 12, 24, and 48 weeks.
Neuropathic symptoms of foot pain, numbness, and weakness were significantly
improved within 4 weeks after BM-MNCs injection. Patients with DSPN were divided
into the responder (n = 35) and nonresponder groups
(n = 19) based on the improvement of nerve conduction
velocity at 12 weeks post-transplantation. Compared with nonresponders,
responders were younger (57.3 ± 5.2 vs 62.0 ± 4.8, P <
0.01), had a shorter history of diabetes (7.1 ± 2.7 vs 11.2 ± 5.4 years,
P < 0.01), and had higher numbers of mobilized
CD34+ cells (17.61 ± 2.64 vs 14.79 ± 1.62 ×105/L,
P < 0.01) and BM-MNCs (12.05 ± 2.16 vs 9.84 ± 1.53
×108/L, P < 0.01). The levels of TNF-α and
sICAM-1 decreased just after BM-MNCs injection in both groups and slowly
reverted to baseline levels. The duration of the downtrend of TNF-α and sICAM-1
in the responder group lasted longer than that in the nonresponder group. Serum
level of VEGF in the responder group increased immediately after BM-MNC therapy
and reached the highest point after the injection for 12 weeks. On the other
hand, VEGF levels in the nonresponder group only increased slightly. Binary
logistic regression was performed to evaluate the corresponding prognostic
factors for BM-MNCs treatment. The number of applied CD34+ cells and
the duration of diabetes were the independent predictors of responding to
BM-MNCs therapy. No adverse event associated with the treatment was observed
during follow-up observations. These results indicated that BM-MNCs
transplantation is an effective and promising therapeutic strategy to treat
refractory DSPN. The immune regulation and paracrine function of BM-MNCs may
contribute to the improvement of DSPN.
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Affiliation(s)
- Wei Wei
- Department of Endocrinology, The Central Hospital of Wuhan, Tongji Medical College, 12403Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Li Li
- Department of Endocrinology, The Central Hospital of Wuhan, Tongji Medical College, 12403Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Lin Deng
- Department of Endocrinology, The Central Hospital of Wuhan, Tongji Medical College, 12403Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Zhong-Jing Wang
- Department of Endocrinology, The Central Hospital of Wuhan, Tongji Medical College, 12403Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Jing-Jian Dong
- Department of Endocrinology, The Central Hospital of Wuhan, Tongji Medical College, 12403Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Xiao-Yu Lyu
- Department of Endocrinology, The Central Hospital of Wuhan, Tongji Medical College, 12403Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Ting Jia
- Department of Endocrinology, The Central Hospital of Wuhan, Tongji Medical College, 12403Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Li Wang
- Department of Hematology, The Central Hospital of Wuhan, Tongji Medical College, 12403Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Hong-Xiang Wang
- Department of Hematology, The Central Hospital of Wuhan, Tongji Medical College, 12403Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Hong Mao
- Department of Endocrinology, The Central Hospital of Wuhan, Tongji Medical College, 12403Huazhong University of Science and Technology, Wuhan, Hubei, China
| | - Shi Zhao
- Department of Endocrinology, The Central Hospital of Wuhan, Tongji Medical College, 12403Huazhong University of Science and Technology, Wuhan, Hubei, China.,Regenerative Medical Center of Hubei Province, The Central Hospital of Wuhan, Tongji Medical College, 12403Huazhong University of Science and Technology, Wuhan, Hubei, China
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8
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Preconditioning of Rat Bone Marrow-Derived Mesenchymal Stromal Cells with Toll-Like Receptor Agonists. Stem Cells Int 2019; 2019:7692973. [PMID: 31531025 PMCID: PMC6721436 DOI: 10.1155/2019/7692973] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/01/2019] [Accepted: 07/02/2019] [Indexed: 12/29/2022] Open
Abstract
Bone marrow-derived mesenchymal stromal cells (BM-MSCs) are dynamic cells that can sense the environment, adapting their regulatory functions to different conditions. Accordingly, the therapeutic potential of BM-MSCs can be modulated by preconditioning strategies aimed at modifying their paracrine action. Although rat BM-MSCs (rBM-MSCs) have been widely tested in preclinical research, most preconditioning studies have employed human and mouse BM-MSCs. Herein, we investigated whether rBM-MSCs modify their phenotype and paracrine functions in response to Toll-like receptor (TLR) agonists. The data showed that rBM-MSCs expressed TLR3, TLR4, and MDA5 mRNA and were able to internalize polyinosinic-polycytidylic acid (Poly(I:C)), a TLR3/MDA5 agonist. rBM-MSCs were then stimulated with Poly(I:C) or with lipopolysaccharide (LPS, a TLR4 agonist) for 1 h and were grown under normal culture conditions. LPS or Poly(I:C) stimulation did not affect the viability or the morphology of rBM-MSCs and did not modify the expression pattern of key cell surface markers. Poly(I:C) did not induce statistically significant changes in the release of several inflammatory mediators and VEGF by rBM-MSCs, although it tended to increase IL-6 and MCP-1 secretion, whereas LPS increased the release of IL-6, MCP-1, and VEGF, three factors that were constitutively secreted by unstimulated cells. The neurotrophic activity of the conditioned medium from unstimulated and LPS-preconditioned rBM-MSCs was investigated using dorsal root ganglion explants, showing that soluble factors produced by unstimulated and LPS-preconditioned rBM-MSCs can stimulate neurite outgrowth similarly, in a VEGF-dependent manner. LPS-preconditioned cells, however, were slightly more efficient in increasing the number of regrowing axons in a model of sciatic nerve transection in rats. In conclusion, LPS preconditioning boosted the production of constitutively secreted factors by rBM-MSCs, without changing their mesenchymal identity, an effect that requires further investigation in exploratory preclinical studies.
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Chen C, Tian Y, Wang J, Zhang X, Nan L, Dai P, Gao Y, Zheng S, Liu W, Zhang Y. Testosterone propionate can promote effects of acellular nerve allograft-seeded bone marrow mesenchymal stem cells on repairing canine sciatic nerve. J Tissue Eng Regen Med 2019; 13:1685-1701. [PMID: 31267700 DOI: 10.1002/term.2922] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/05/2019] [Revised: 05/27/2019] [Accepted: 06/30/2019] [Indexed: 12/22/2022]
Abstract
Peripheral human nerves fail to regenerate across long tube implants (>2 cm), and tissue-engineered nerve grafts represent a promising treatment alternative. The present study aims to investigate the testosterone propionate (TP) repair effect of acellular nerve allograft (ANA) seeded with allogeneic bone marrow mesenchymal stem cells (BMSCs) on 3-cm canine sciatic nerve defect. ANA cellularized with allogeneic BMSCs was implanted to the defect, and TP was injected into the lateral crus of the defected leg. The normal group, the autograft group, the ANA + BMSCs group, the ANA group, and the nongrafted group were used as control. Five months postoperatively, dogs in the TP + ANA + BMSCs group were capable of load bearing, normal walking, and skipping, the autograft group and the ANA + BMSCs group demonstrated nearly the same despite a slight limp. The compound muscle action potentials (CMAPs) on the injured side to the uninjured site in the TP + ANA + BMSCs group were significantly higher than that in the ANA + BMSCs group [CMAPs ratio at A: F(3, 20) = 191.40; 0.02, CMAPs ratio at B: F(3, 20) = 43.27; 0.01]. Masson trichrome staining revealed that in the TP + ANA + BMSCs group, both the diameter ratio of the myelinated nerve and the thickness ratio of regenerated myelin sheath were significantly larger than that in the other groups [the diameter of myelinated nerve fibers: F(3, 56) = 13.45; P < .01, the thickness ratio of regenerated myelin sheath: F(3, 56) = 51.25; P < .01]. In conclusion, TP could significantly increase the repairing effects of the ANA + BMSCs group, and their combination was able to repair 3-cm canine sciatic nerve defect. It therefore represents a promising therapeutic approach.
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Affiliation(s)
- Chen Chen
- College of Veterinary Medicine, Northwest A & F University, Yangling, Shaanxi, China.,Department of General-, Visceral-, Transplantation and Vascular Surgery, University Hospital of LMU Munich, Munich, Germany
| | - Yuanyuan Tian
- College of Veterinary Medicine, Northwest A & F University, Yangling, Shaanxi, China
| | - Jinglu Wang
- College of Veterinary Medicine, Northwest A & F University, Yangling, Shaanxi, China
| | - Xinke Zhang
- College of Veterinary Medicine, Northwest A & F University, Yangling, Shaanxi, China
| | - Liangliang Nan
- College of Veterinary Medicine, Northwest A & F University, Yangling, Shaanxi, China.,Institute for Infectious Diseases and Zoonoses, LMU Munich, Munich, Germany
| | - Pengxiu Dai
- College of Veterinary Medicine, Northwest A & F University, Yangling, Shaanxi, China
| | - Yongping Gao
- College of Veterinary Medicine, Northwest A & F University, Yangling, Shaanxi, China
| | - Shuxin Zheng
- College of Veterinary Medicine, Northwest A & F University, Yangling, Shaanxi, China
| | - Wengang Liu
- College of Veterinary Medicine, Northwest A & F University, Yangling, Shaanxi, China
| | - Yihua Zhang
- College of Veterinary Medicine, Northwest A & F University, Yangling, Shaanxi, China
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10
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Mesentier-Louro LA, Rosso P, Carito V, Mendez-Otero R, Santiago MF, Rama P, Lambiase A, Tirassa P. Nerve Growth Factor Role on Retinal Ganglion Cell Survival and Axon Regrowth: Effects of Ocular Administration in Experimental Model of Optic Nerve Injury. Mol Neurobiol 2019; 56:1056-1069. [PMID: 29869196 DOI: 10.1007/s12035-018-1154-1] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2018] [Accepted: 05/24/2018] [Indexed: 01/04/2023]
Abstract
Retinal ganglion cell (RGC) degeneration occurs within 2 weeks following optic nerve crush (ONC) as a consequence of reduced retro-transport of growth factors including nerve growth factor (NGF). The hypothesis that intravitreal (ivt) and eye drop (ed) administration of recombinant human NGF (rhNGF) might counteract ONC in adult rats is explored in this study. We found that both ivt- and ed-rhNGF reduced RGC loss and stimulated axonal regrowth. Chiefly, survival and regenerative effects of rhNGF were associated with a reduction of cells co-expressing Nogo-A/p75NTR at crush site borders, which contribute to glia scar formation following nerve injury, and induce further degeneration. We also found that ocular application of rhNGF reduced p75NTR and proNGF and enhanced phosphorylation of TrkA and its intracellular signals at retina level. Nogo-R and Rock2 expression was also normalized by ed-rhNGF treatment in both ONC and contralateral retina. Our findings that ocular applied NGF reaches and exerts biological actions on posterior segment of the eye give a further insight into the neurotrophin diffusion/transport through eye structures and/or their trafficking in optic nerve. In addition, the use of a highly purified NGF form in injury condition in which proNGF/p75NTR binding is favored indicates that increased availability of mature NGF restores the balance between TrkA and p75NGF, thus resulting in RGC survival and axonal growth. In conclusion, ocular applied NGF is confirmed as a good experimental paradigm to study mechanisms of neurodegeneration and regeneration, disclose biomarkers, and time windows for efficacy treatment following cell or nerve injury.
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Affiliation(s)
- Louise A Mesentier-Louro
- Eye Repair Unit, Division of Neuroscience, San Raffaele Scientific Institute, Milan, Italy
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Pamela Rosso
- Institute of Cell Biology and Neurobiology (IBCN), National Research Council (CNR), Via di Fosso di Fiorano, 64 (00143), Rome, Italy
| | - Valentina Carito
- Institute of Cell Biology and Neurobiology (IBCN), National Research Council (CNR), Via di Fosso di Fiorano, 64 (00143), Rome, Italy
| | - Rosalia Mendez-Otero
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Marcelo F Santiago
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Paolo Rama
- Eye Repair Unit, Division of Neuroscience, San Raffaele Scientific Institute, Milan, Italy
| | - Alessandro Lambiase
- Section of Ophthalmology, Department of Sense Organs, University Sapienza, Rome, Italy
| | - Paola Tirassa
- Institute of Cell Biology and Neurobiology (IBCN), National Research Council (CNR), Via di Fosso di Fiorano, 64 (00143), Rome, Italy.
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11
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Zhou J, Zhang Z, Qian G. Neuropathy and inflammation in diabetic bone marrow. Diabetes Metab Res Rev 2019; 35:e3083. [PMID: 30289199 DOI: 10.1002/dmrr.3083] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 12/23/2017] [Revised: 09/05/2018] [Accepted: 10/02/2018] [Indexed: 12/14/2022]
Abstract
Diabetes impairs the bone marrow (BM) architecture and function as well as the mobilization of immature cells into the bloodstream and number of potential regenerative cells. Circadian regulation of bone immature cell migration is regulated by β-adrenergic receptors, which are expressed on haematopoietic stem cells, mesenchymal stem cells, and osteoblasts in the BM. Diabetes is associated with a substantially lower number of sympathetic nerve terminal endings in the BM; thus, diabetic neuropathy plays a critical role in BM dysfunction. Treatment with mesenchymal stem cells, BM mononuclear cells, haematopoietic stem cells, and stromal cells ameliorates the dysfunction of diabetic neuropathy, which occurs, in part, through secreted neurotrophic factors, growth factors, adipokines, and polarizing macrophage M2 cells and inhibiting inflammation. Inflammation may be a therapeutic target for BM stem cells to improve diabetic neuropathy. Given that angiogenic and neurotrophic effects are two major barriers to effective diabetic neuropathy therapy, targeting BM stem cells may provide a novel approach to develop these types of treatments.
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Affiliation(s)
- Jiyin Zhou
- National Drug Clinical Trial Institution, The Second Affiliated Hospital, Army Medical University, Chongqing, China
| | - Zuo Zhang
- National Drug Clinical Trial Institution, The Second Affiliated Hospital, Army Medical University, Chongqing, China
| | - Guisheng Qian
- Institute of Respiratory Diseases, The Second Affiliated Hospital, Army Medical University, Chongqing, China
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12
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Uz M, Das SR, Ding S, Sakaguchi DS, Claussen JC, Mallapragada SK. Advances in Controlling Differentiation of Adult Stem Cells for Peripheral Nerve Regeneration. Adv Healthc Mater 2018; 7:e1701046. [PMID: 29656561 DOI: 10.1002/adhm.201701046] [Citation(s) in RCA: 27] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2017] [Revised: 01/08/2018] [Indexed: 01/01/2023]
Abstract
Adult stems cells, possessing the ability to grow, migrate, proliferate, and transdifferentiate into various specific phenotypes, constitute a great asset for peripheral nerve regeneration. Adult stem cells' ability to undergo transdifferentiation is sensitive to various cell-to-cell interactions and external stimuli involving interactions with physical, mechanical, and chemical cues within their microenvironment. Various studies have employed different techniques for transdifferentiating adult stem cells from distinct sources into specific lineages (e.g., glial cells and neurons). These techniques include chemical and/or electrical induction as well as cell-to-cell interactions via co-culture along with the use of various 3D conduit/scaffold designs. Such scaffolds consist of unique materials that possess controllable physical/mechanical properties mimicking cells' natural extracellular matrix. However, current limitations regarding non-scalable transdifferentiation protocols, fate commitment of transdifferentiated stem cells, and conduit/scaffold design have required new strategies for effective stem cells transdifferentiation and implantation. In this progress report, a comprehensive review of recent advances in the transdifferentiation of adult stem cells via different approaches along with multifunctional conduit/scaffolds designs is presented for peripheral nerve regeneration. Potential cellular mechanisms and signaling pathways associated with differentiation are also included. The discussion with current challenges in the field and an outlook toward future research directions is concluded.
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Affiliation(s)
- Metin Uz
- Department of Chemical and Biological Engineering Iowa State University Ames IA 50011 USA
| | - Suprem R. Das
- Department of Mechanical Engineering Iowa State University Ames IA 50011 USA
- Division of Materials Science and Engineering Ames Laboratory Ames IA 50011 USA
| | - Shaowei Ding
- Department of Mechanical Engineering Iowa State University Ames IA 50011 USA
| | - Donald S. Sakaguchi
- Neuroscience Program Iowa State University Ames IA 50011 USA
- Department of Genetics Development and Cell Biology Iowa State University Ames IA 50011 USA
| | - Jonathan C. Claussen
- Department of Mechanical Engineering Iowa State University Ames IA 50011 USA
- Division of Materials Science and Engineering Ames Laboratory Ames IA 50011 USA
| | - Surya K. Mallapragada
- Department of Chemical and Biological Engineering Iowa State University Ames IA 50011 USA
- Department of Genetics Development and Cell Biology Iowa State University Ames IA 50011 USA
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13
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Jones I, Novikova LN, Novikov LN, Renardy M, Ullrich A, Wiberg M, Carlsson L, Kingham PJ. Regenerative effects of human embryonic stem cell-derived neural crest cells for treatment of peripheral nerve injury. J Tissue Eng Regen Med 2018; 12:e2099-e2109. [PMID: 29327452 PMCID: PMC5947619 DOI: 10.1002/term.2642] [Citation(s) in RCA: 29] [Impact Index Per Article: 4.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2016] [Revised: 12/02/2017] [Accepted: 01/02/2018] [Indexed: 12/12/2022]
Abstract
Surgical intervention is the current gold standard treatment following peripheral nerve injury. However, this approach has limitations, and full recovery of both motor and sensory modalities often remains incomplete. The development of artificial nerve grafts that either complement or replace current surgical procedures is therefore of paramount importance. An essential component of artificial grafts is biodegradable conduits and transplanted cells that provide trophic support during the regenerative process. Neural crest cells are promising support cell candidates because they are the parent population to many peripheral nervous system lineages. In this study, neural crest cells were differentiated from human embryonic stem cells. The differentiated cells exhibited typical stellate morphology and protein expression signatures that were comparable with native neural crest. Conditioned media harvested from the differentiated cells contained a range of biologically active trophic factors and was able to stimulate in vitro neurite outgrowth. Differentiated neural crest cells were seeded into a biodegradable nerve conduit, and their regeneration potential was assessed in a rat sciatic nerve injury model. A robust regeneration front was observed across the entire width of the conduit seeded with the differentiated neural crest cells. Moreover, the up-regulation of several regeneration-related genes was observed within the dorsal root ganglion and spinal cord segments harvested from transplanted animals. Our results demonstrate that the differentiated neural crest cells are biologically active and provide trophic support to stimulate peripheral nerve regeneration. Differentiated neural crest cells are therefore promising supporting cell candidates to aid in peripheral nerve repair.
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Affiliation(s)
- Iwan Jones
- Umeå Center for Molecular Medicine, Umeå University, Umeå, Sweden.,Laboratory of Neural Repair and Cellular Therapy, Department of Integrative Medical Biology, Umeå University, Umeå, Sweden
| | - Liudmila N Novikova
- Laboratory of Neural Repair and Cellular Therapy, Department of Integrative Medical Biology, Umeå University, Umeå, Sweden
| | - Lev N Novikov
- Laboratory of Neural Repair and Cellular Therapy, Department of Integrative Medical Biology, Umeå University, Umeå, Sweden
| | - Monika Renardy
- ITV Denkendorf Product Service GmbH, Denkendorf, Germany
| | | | - Mikael Wiberg
- Laboratory of Neural Repair and Cellular Therapy, Department of Integrative Medical Biology, Umeå University, Umeå, Sweden.,Hand and Plastic Surgery, Department of Surgical and Perioperative Sciences, Umeå University, Umeå, Sweden
| | - Leif Carlsson
- Umeå Center for Molecular Medicine, Umeå University, Umeå, Sweden
| | - Paul J Kingham
- Laboratory of Neural Repair and Cellular Therapy, Department of Integrative Medical Biology, Umeå University, Umeå, Sweden
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14
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EGFP transgene: a useful tool to track transplanted bone marrow mononuclear cell contribution to peripheral remyelination. Transgenic Res 2018; 27:135-153. [DOI: 10.1007/s11248-018-0062-5] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2017] [Accepted: 02/01/2018] [Indexed: 12/14/2022]
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15
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De la Rosa MB, Kozik EM, Sakaguchi DS. Adult Stem Cell-Based Strategies for Peripheral Nerve Regeneration. ADVANCES IN EXPERIMENTAL MEDICINE AND BIOLOGY 2018; 1119:41-71. [PMID: 30151648 DOI: 10.1007/5584_2018_254] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Peripheral nerve injuries (PNI) occur as the result of sudden trauma and can lead to life-long disability, reduced quality of life, and heavy economic and social burdens. Although the peripheral nervous system (PNS) has the intrinsic capacity to regenerate and regrow axons to a certain extent, current treatments frequently show incomplete recovery with poor functional outcomes, particularly for large PNI. Many surgical procedures are available to halt the propagation of nerve damage, and the choice of a procedure depends on the extent of the injury. In particular, recovery from large PNI gaps is difficult to achieve without any therapeutic intervention or some form of tissue/cell-based therapy. Autologous nerve grafting, considered the "gold standard" is often implemented for treatment of gap formation type PNI. Although these surgical procedures provide many benefits, there are still considerable limitations associated with such procedures as donor site morbidity, neuroma formation, fascicle mismatch, and scarring. To overcome such restrictions, researchers have explored various avenues to improve post-surgical outcomes. The most commonly studied methods include: cell transplantation, growth factor delivery to stimulate regenerating axons and implanting nerve guidance conduits containing replacement cells at the site of injury. Replacement cells which offer maximum benefits for the treatment of PNI, are Schwann cells (SCs), which are the peripheral glial cells and in part responsible for clearing out debris from the site of injury. Additionally, they release growth factors to stimulate myelination and axonal regeneration. Both primary SCs and genetically modified SCs enhance nerve regeneration in animal models; however, there is no good source for extracting SCs and the only method to obtain SCs is by sacrificing a healthy nerve. To overcome such challenges, various cell types have been investigated and reported to enhance nerve regeneration.In this review, we have focused on cell-based strategies aimed to enhance peripheral nerve regeneration, in particular the use of mesenchymal stem cells (MSCs). Mesenchymal stem cells are preferred due to benefits such as autologous transplantation, routine isolation procedures, and paracrine and immunomodulatory properties. Mesenchymal stem cells have been transplanted at the site of injury either directly in their native form (undifferentiated) or in a SC-like form (transdifferentiated) and have been shown to significantly enhance nerve regeneration. In addition to transdifferentiated MSCs, some studies have also transplanted ex-vivo genetically modified MSCs that hypersecrete growth factors to improve neuroregeneration.
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Affiliation(s)
- Metzere Bierlein De la Rosa
- Department of Biomedical Sciences, College of Veterinary Medicine, Iowa State University, Ames, IA, USA.,Veterinary Specialty Center, Buffalo Grove, IL, USA
| | - Emily M Kozik
- Biology Program, Department of Genetics, Development and Cell Biology, Iowa State University, Ames, IA, USA.,Department of Genetics, Development and Cell Biology, Iowa State University, Ames, IA, USA
| | - Donald S Sakaguchi
- Department of Biomedical Sciences, College of Veterinary Medicine, Iowa State University, Ames, IA, USA. .,Biology Program, Department of Genetics, Development and Cell Biology, Iowa State University, Ames, IA, USA. .,Department of Genetics, Development and Cell Biology, Iowa State University, Ames, IA, USA. .,Neuroscience Program, Iowa State University, Ames, IA, USA.
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16
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Evaristo-Mendonça F, Carrier-Ruiz A, de Siqueira-Santos R, Campos RMP, Rangel B, Kasai-Brunswick TH, Ribeiro-Resende VT. Dual Contribution of Mesenchymal Stem Cells Employed for Tissue Engineering of Peripheral Nerves: Trophic Activity and Differentiation into Connective-Tissue Cells. Stem Cell Rev Rep 2017; 14:200-212. [DOI: 10.1007/s12015-017-9786-5] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
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17
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Systemic Transplantation of Bone Marrow Mononuclear Cells Promotes Axonal Regeneration and Analgesia in a Model of Wallerian Degeneration. Transplantation 2017; 101:1573-1586. [DOI: 10.1097/tp.0000000000001478] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
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18
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Comparative Therapeutic Effects of Minocycline Treatment and Bone Marrow Mononuclear Cell Transplantation following Striatal Stroke. OXIDATIVE MEDICINE AND CELLULAR LONGEVITY 2017; 2017:1976191. [PMID: 28713482 PMCID: PMC5497656 DOI: 10.1155/2017/1976191] [Citation(s) in RCA: 6] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/20/2016] [Revised: 02/27/2017] [Accepted: 03/13/2017] [Indexed: 02/07/2023]
Abstract
We explored the comparative effects of minocycline treatment and intrastriatal BMMC transplantation after experimental striatal stroke in adult rats. Male Wistar adult rats were divided as follows: saline-treated (N = 5), minocycline-treated (N = 5), and BMMC-transplanted (N = 5) animals. Animals received intrastriatal microinjections of 80 pmol of endothelin-1 (ET-1). Behavioral tests were performed at 1, 3, and 7 days postischemia. Animals were treated with minocycline (50 mg/kg, i.p.) or intrastriatal transplants of 106 BMMCs at 24 h postischemia. Animals were perfused at 7 days after ischemic induction. Coronal sections were stained with cresyl violet for gross histopathological analysis and immunolabeled for the identification of neuronal bodies (NeuN), activated microglia/macrophages (ED1), and apoptotic cells (active caspase-3). BMMC transplantation and minocycline reduced the number of ED1+ cells (p < 0.05, ANOVA-Tukey), but BMMC afforded better results. Both treatments afforded comparable levels of neuronal preservation compared to control (p > 0.05). BMMC transplantation induced a higher decrease in the number of apoptotic cells compared to control and minocycline treatment. Both therapeutic approaches improved functional recovery in ischemic animals. The results suggest that BMMC transplantation is more effective in modulating microglial activation and reducing apoptotic cell death than minocycline, although both treatments are equally efficacious on improving neuronal preservation.
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19
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Jiang L, Jones S, Jia X. Stem Cell Transplantation for Peripheral Nerve Regeneration: Current Options and Opportunities. Int J Mol Sci 2017; 18:ijms18010094. [PMID: 28067783 PMCID: PMC5297728 DOI: 10.3390/ijms18010094] [Citation(s) in RCA: 123] [Impact Index Per Article: 17.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2016] [Revised: 12/26/2016] [Accepted: 12/27/2016] [Indexed: 12/21/2022] Open
Abstract
Peripheral nerve regeneration is a complicated process highlighted by Wallerian degeneration, axonal sprouting, and remyelination. Schwann cells play an integral role in multiple facets of nerve regeneration but obtaining Schwann cells for cell-based therapy is limited by the invasive nature of harvesting and donor site morbidity. Stem cell transplantation for peripheral nerve regeneration offers an alternative cell-based therapy with several regenerative benefits. Stem cells have the potential to differentiate into Schwann-like cells that recruit macrophages for removal of cellular debris. They also can secrete neurotrophic factors to promote axonal growth, and remyelination. Currently, various types of stem cell sources are being investigated for their application to peripheral nerve regeneration. This review highlights studies involving the stem cell types, the mechanisms of their action, methods of delivery to the injury site, and relevant pre-clinical or clinical data. The purpose of this article is to review the current point of view on the application of stem cell based strategy for peripheral nerve regeneration.
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Affiliation(s)
- Liangfu Jiang
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China.
| | - Salazar Jones
- Department of Neurosurgery, University of Maryland School of Medicine, Baltimore, MD 21201, USA.
| | - Xiaofeng Jia
- Department of Orthopaedics, The Second Affiliated Hospital and Yuying Children's Hospital of Wenzhou Medical University, Wenzhou 325027, China.
- Department of Neurosurgery, University of Maryland School of Medicine, Baltimore, MD 21201, USA.
- Department of Orthopaedics, 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, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.
- Department of Anesthesiology and Critical Care Medicine, The Johns Hopkins University School of Medicine, Baltimore, MD 21205, USA.
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20
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Yao M, Zhou Y, Xue C, Ren H, Wang S, Zhu H, Gu X, Gu X, Gu J. Repair of Rat Sciatic Nerve Defects by Using Allogeneic Bone Marrow Mononuclear Cells Combined with Chitosan/Silk Fibroin Scaffold. Cell Transplant 2016; 25:983-93. [DOI: 10.3727/096368916x690494] [Citation(s) in RCA: 20] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023] Open
Abstract
The therapeutic benefits of bone marrow mononuclear cells (BM-MNCs) in many diseases have been well established. To advance BM-MNC-based cell therapy into the clinic for peripheral nerve repair, in this study we developed a new design of tissue-engineered nerve grafts (TENGs), which consist of a chitosan/fibroin-based nerve scaffold and BM-MNCs serving as support cells. These TENGs were used for interpositional nerve grafting to bridge a 10-mm-long sciatic nerve defect in rats. Histological and functional assessments after nerve grafting showed that regenerative outcomes achieved by our developed TENGs were better than those achieved by chitosan/silk fibroin scaffolds and were close to those achieved by autologous nerve grafts. In addition, we used green fluorescent protein-labeled BM-MNCs to track the cell location within the chitosan/fibroin-based nerve scaffold and trace the cell fate at an early stage of sciatic nerve regeneration. The result suggested that BM-MNCs could survive at least 2 weeks after nerve grafting, thus helping to gain a preliminary mechanistic insight into the favorable effects of BM-MNCs on axonal regrowth.
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Affiliation(s)
- Min Yao
- Jiangsu Key Laboratory of Neuroregeneration, Co-innovation Center of Neuroregeneration, Nantong University, Nantong, China
| | - Yi Zhou
- Jiangsu Key Laboratory of Neuroregeneration, Co-innovation Center of Neuroregeneration, Nantong University, Nantong, China
| | - Chengbin Xue
- Jiangsu Key Laboratory of Neuroregeneration, Co-innovation Center of Neuroregeneration, Nantong University, Nantong, China
| | - Hechun Ren
- Jiangsu Key Laboratory of Neuroregeneration, Co-innovation Center of Neuroregeneration, Nantong University, Nantong, China
| | - Shengran Wang
- Jiangsu Key Laboratory of Neuroregeneration, Co-innovation Center of Neuroregeneration, Nantong University, Nantong, China
| | - Hui Zhu
- Jiangsu Key Laboratory of Neuroregeneration, Co-innovation Center of Neuroregeneration, Nantong University, Nantong, China
- Surgical Comprehensive Laboratory, Affiliated Hospital of Nantong University, Nantong, China
| | - Xingjian Gu
- Jiangsu Key Laboratory of Neuroregeneration, Co-innovation Center of Neuroregeneration, Nantong University, Nantong, China
| | - Xiaosong Gu
- Jiangsu Key Laboratory of Neuroregeneration, Co-innovation Center of Neuroregeneration, Nantong University, Nantong, China
| | - Jianhui Gu
- Department of Hand Surgery, Affiliated Hospital of Nantong University, Nantong, China
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21
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Liu Y, Chen J, Liu W, Lu X, Liu Z, Zhao X, Li G, Chen Z. A Modified Approach to Inducing Bone Marrow Stromal Cells to Differentiate into Cells with Mature Schwann Cell Phenotypes. Stem Cells Dev 2016; 25:347-59. [PMID: 26670188 DOI: 10.1089/scd.2015.0295] [Citation(s) in RCA: 14] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
Marrow stromal cells (MSCs) can be induced to differentiate into Schwann-like cells under classical induction conditions. However, cells derived from this method are unstable, exhibiting a low neurotrophin expression level after the induction conditions are removed. In Schwann cell (SC) culture, progesterone (PROG) enhances neurotrophic synthesis and myelination, specifically regulating the expression of the myelin protein zero (P0)- and peripheral myelin protein 22 (PMP22)-encoding genes by acting in concert or in synergy with insulin and glucocorticoids (GLUCs). In the present study, we investigated whether combined PROG, GLUC, and insulin therapy induced MSCs to differentiate into modified SC-like cells with phenotypes similar to those of mature SCs. After being cultured for 2 weeks in modified differentiation medium, the modified SC-like cells showed increased expression of P0 and PMP22. In addition, morphological and phenotypic characterizations were conducted over a period of over 2 weeks, and functional characteristics persisted for more than 3 weeks after the induction reagents were withdrawn. The transplantation of green fluorescent protein-labeled, modified SC-like cells into transected sciatic nerves with a 10-mm gap significantly increased the proliferation of the original SCs and improved axon regeneration and myelination compared with original BM-SCs. Immunostaining for P0 revealed that more of the transplanted modified SC-like cells retained the phenotypic characteristics of SCs. Taken together, these results reveal that the combined application of PROG, GLUC, and insulin induces MSCs to differentiate into cells with phenotypic, molecular, and functional properties of mature SCs.
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Affiliation(s)
- Yutian Liu
- 1 Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan, China
| | - Jianghai Chen
- 1 Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan, China
| | - Wei Liu
- 2 Department of Infectious Diseases, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan, China
| | - Xiaocheng Lu
- 1 Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan, China
| | - Zhenyu Liu
- 1 Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan, China
| | - Xiaobo Zhao
- 1 Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan, China
| | - Gongchi Li
- 1 Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan, China
| | - Zhenbing Chen
- 1 Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology , Wuhan, China
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22
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Xue JW, Jiao JB, Liu XF, Jiang YT, Yang G, Li CY, Yin WT, Ling L. Inhibition of Peripheral Nerve Scarring by Calcium Antagonists, Also Known as Calcium Channel Blockers. Artif Organs 2015; 40:514-20. [PMID: 26488333 DOI: 10.1111/aor.12584] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022]
Abstract
The aim of this research was to investigate the impact of calcium channel blockers (verapamil) on the formation of scars in the sciatic nerve anastomosis after peripheral nerve injury. One hundred twenty healthy, male Sprague-Dawley rats were selected and prepared with right sciatic nerve injury for this study. Samples were selected at the fourth and 12th weeks, respectively, after treatment and observations were made on the nerve anastomosis healing and diameter. Image analysis and statistical processing were carried out relating to the results of the study. The diameter of the anastomosis of the treatment group at weeks 4 and 12 was noticeably smaller than the control group (P < 0.05). In the treatment group at week 4, there were many vesicles observed in the fibroblasts' cytosol and in the control group, the fibroblasts exhibited high number of rough endoplasmic reticulum. The collagen content of the nerve scarring at week 12 in the treatment group was apparently less than the control group (P < 0.01). The calcium channel blocker (verapamil) reduced the axon resistance through the anastomosis during nerve regeneration. It can effectively inhibit the formation of scarring from nerve injury. It also provided an excellent microenvironment for the regeneration of nerve fibers.
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Affiliation(s)
- Jin-Wei Xue
- Department of Orthopedics, Affiliated Hospital of Hebei University, Baoding, China
| | - Jian-Bao Jiao
- Department of Orthopedics, Affiliated Hospital of Hebei University, Baoding, China
| | - Xiao-Feng Liu
- Department of Orthopedics, Affiliated Hospital of Hebei University, Baoding, China
| | - Yuan-Tao Jiang
- Department of Orthopedics, Affiliated Hospital of Hebei University, Baoding, China
| | - Guang Yang
- Department of Orthopedic Surgery, Chinese-Japan Union Hospital of Jilin University, Changchun, China
| | - Chun-Yu Li
- Department of Orthopedic Surgery, Chinese-Japan Union Hospital of Jilin University, Changchun, China
| | - Wei-Tian Yin
- Department of Orthopedic Surgery, Chinese-Japan Union Hospital of Jilin University, Changchun, China
| | - Li Ling
- Department of Neurology, Affiliated Hospital of Hebei University, Baoding, China
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23
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Sugimura-Wakayama Y, Katagiri W, Osugi M, Kawai T, Ogata K, Sakaguchi K, Hibi H. Peripheral Nerve Regeneration by Secretomes of Stem Cells from Human Exfoliated Deciduous Teeth. Stem Cells Dev 2015; 24:2687-99. [PMID: 26154068 DOI: 10.1089/scd.2015.0104] [Citation(s) in RCA: 58] [Impact Index Per Article: 6.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022] Open
Abstract
Peripheral nerve regeneration across nerve gaps is often suboptimal, with poor functional recovery. Stem cell transplantation-based regenerative therapy is a promising approach for axon regeneration and functional recovery of peripheral nerve injury; however, the mechanisms remain controversial and unclear. Recent studies suggest that transplanted stem cells promote tissue regeneration through a paracrine mechanism. We investigated the effects of conditioned media derived from stem cells from human exfoliated deciduous teeth (SHED-CM) on peripheral nerve regeneration. In vitro, SHED-CM-treated Schwann cells exhibited significantly increased proliferation, migration, and the expression of neuron-, extracellular matrix (ECM)-, and angiogenesis-related genes. SHED-CM stimulated neuritogenesis of dorsal root ganglia and increased cell viability. Similarly, SHED-CM enhanced tube formation in an angiogenesis assay. In vivo, a 10-mm rat sciatic nerve gap model was bridged by silicon conduits containing SHED-CM or serum-free Dulbecco's modified Eagle's medium. Light and electron microscopy confirmed that the number of myelinated axons and axon-to-fiber ratio (G-ratio) were significantly higher in the SHED-CM group at 12 weeks after nerve transection surgery. The sciatic functional index (SFI) and gastrocnemius (target muscle) wet weight ratio demonstrated functional recovery. Increased compound muscle action potentials and increased SFI in the SHED-CM group suggested sciatic nerve reinnervation of the target muscle and improved functional recovery. We also observed reduced muscle atrophy in the SHED-CM group. Thus, SHEDs may secrete various trophic factors that enhance peripheral nerve regeneration through multiple mechanisms. SHED-CM may therefore provide a novel therapy that creates a more desirable extracellular microenvironment for peripheral nerve regeneration.
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Affiliation(s)
- Yukiko Sugimura-Wakayama
- 1 Department of Oral and Maxillofacial Surgery, Nagoya University Graduate School of Medicine , Nagoya, Japan
| | - Wataru Katagiri
- 1 Department of Oral and Maxillofacial Surgery, Nagoya University Graduate School of Medicine , Nagoya, Japan
| | - Masashi Osugi
- 1 Department of Oral and Maxillofacial Surgery, Nagoya University Graduate School of Medicine , Nagoya, Japan
| | - Takamasa Kawai
- 1 Department of Oral and Maxillofacial Surgery, Nagoya University Graduate School of Medicine , Nagoya, Japan
| | - Kenichi Ogata
- 1 Department of Oral and Maxillofacial Surgery, Nagoya University Graduate School of Medicine , Nagoya, Japan .,2 Section of Oral and Maxillofacial Oncology, Division of Maxillofacial Diagnostic and Surgical Sciences, Faculty of Dental Science, Kyushu University , Fukuoka, Japan
| | - Kohei Sakaguchi
- 1 Department of Oral and Maxillofacial Surgery, Nagoya University Graduate School of Medicine , Nagoya, Japan
| | - Hideharu Hibi
- 1 Department of Oral and Maxillofacial Surgery, Nagoya University Graduate School of Medicine , Nagoya, Japan
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Ma W, Wei X, Gu H, Li H, Guan K, Liu D, Chen L, Cao S, An D, Zhang H, Huang T, Miao J, Zhao G, Wu D, Liu B, Wang W, Yuan Z. Sensory neuron differentiation potential of in utero mesenchymal stem cell transplantation in rat fetuses with spina bifida aperta. ACTA ACUST UNITED AC 2015; 103:772-9. [PMID: 26172505 DOI: 10.1002/bdra.23401] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/20/2015] [Revised: 05/19/2015] [Accepted: 05/27/2015] [Indexed: 12/13/2022]
Abstract
BACKGROUND In previous studies, we found that the deficiency of sensory and motor neurons was a primary defect associated with the spinal malformation. Upon prenatal treatment of spina bifida through in utero stem cell transplantation in a retinoic acid-induced spina bifida rat model, we found that the mesenchymal stem cell (MSCs) survived, migrated, and differentiated into cells of a neural lineage. In the present study, we investigated whether the transplanted MSCs had the potential to differentiate into sensory neurons or to protect sensory neurons in the defective spinal cord. METHODS Pregnant rats treated with retinoic acid on embryonic day (E) 10, underwent fetal surgery for MSC transplantation on E16. The fetuses were harvested on E20. Immunofluorescence was used to detect the expression of Brn3a protein in the transplanted MSCs and dorsal root ganglion (DRG) neurons in the defective spinal cords. The expression of the transcription factors Brn3a and Runx1 in spinal cords was analyzed using real-time polymerase chain reaction. RESULTS Some of the transplanted MSCs expressed sensory neuron cell specific phenotypes. The expression of Brn3a and Runx1 was upregulated in the defective spinal cords when compared to controls. The percentage of Brn3a-positive neurons in DRG was also increased after transplantation. CONCLUSION Our results indicate that the transplantation of MSCs into the spinal cord could promote the transplanted MSCs and the surrounding cells to differentiate toward a sensory neuron cell fate and to play an important role in protecting sensory neurons in DRG. This approach might be of value in the treatment of sensory neuron deficiency in spina bifida aperta.
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Affiliation(s)
- Wei Ma
- Key Laboratory of Health Ministry for Congenital Malformation, Shengjing Hospital, China Medical University, Shenyang, China
| | - Xiaowei Wei
- Key Laboratory of Health Ministry for Congenital Malformation, Shengjing Hospital, China Medical University, Shenyang, China
| | - Hui Gu
- Key Laboratory of Health Ministry for Congenital Malformation, Shengjing Hospital, China Medical University, Shenyang, China
| | - Hui Li
- Key Laboratory of Health Ministry for Congenital Malformation, Shengjing Hospital, China Medical University, Shenyang, China
| | - Kaoping Guan
- Key Laboratory of Health Ministry for Congenital Malformation, Shengjing Hospital, China Medical University, Shenyang, China
| | - Dan Liu
- Key Laboratory of Health Ministry for Congenital Malformation, Shengjing Hospital, China Medical University, Shenyang, China
| | - Lizhu Chen
- Key Laboratory of Health Ministry for Congenital Malformation, Shengjing Hospital, China Medical University, Shenyang, China
| | - Songying Cao
- Key Laboratory of Health Ministry for Congenital Malformation, Shengjing Hospital, China Medical University, Shenyang, China
| | - Dong An
- Key Laboratory of Health Ministry for Congenital Malformation, Shengjing Hospital, China Medical University, Shenyang, China
| | - Henan Zhang
- Key Laboratory of Health Ministry for Congenital Malformation, Shengjing Hospital, China Medical University, Shenyang, China
| | - Tianchu Huang
- Key Laboratory of Health Ministry for Congenital Malformation, Shengjing Hospital, China Medical University, Shenyang, China
| | - Jianing Miao
- Key Laboratory of Health Ministry for Congenital Malformation, Shengjing Hospital, China Medical University, Shenyang, China
| | - Guifeng Zhao
- Key Laboratory of Health Ministry for Congenital Malformation, Shengjing Hospital, China Medical University, Shenyang, China
| | - Di Wu
- Key Laboratory of Health Ministry for Congenital Malformation, Shengjing Hospital, China Medical University, Shenyang, China
| | - Bo Liu
- Key Laboratory of Health Ministry for Congenital Malformation, Shengjing Hospital, China Medical University, Shenyang, China
| | - Weilin Wang
- Department of Pediatric Surgery, Shengjing Hospital, China Medical University, Shenyang, China
| | - Zhengwei Yuan
- Key Laboratory of Health Ministry for Congenital Malformation, Shengjing Hospital, China Medical University, Shenyang, China
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25
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Carrier-Ruiz A, Evaristo-Mendonça F, Mendez-Otero R, Ribeiro-Resende VT. Biological behavior of mesenchymal stem cells on poly-ε-caprolactone filaments and a strategy for tissue engineering of segments of the peripheral nerves. Stem Cell Res Ther 2015; 6:128. [PMID: 26149068 PMCID: PMC4522087 DOI: 10.1186/s13287-015-0121-2] [Citation(s) in RCA: 18] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2015] [Revised: 06/10/2015] [Accepted: 06/26/2015] [Indexed: 12/14/2022] Open
Abstract
Introduction Peripheral nerves may fail to regenerate across tube implants because these lack the microarchitecture of native nerves. Bone marrow mesenchymal stem cells (MSC) secrete soluble factors that improve the regeneration of the peripheral nerves. Also, microstructured poly-caprolactone (PCL) filaments are capable of inducing bands of Büngner and promote regeneration in the peripheral nervous system (PNS). We describe here the interaction between PCL filaments and MSC, aiming to optimize PNS tubular implants. Methods MSC were plated on PCL filaments for 48 h and the adhesion profile, viability, proliferation and paracrine capacity were evaluated. Also, Schwann cells were plated on PCL filaments covered with MSC for 24 h to analyze the feasibility of the co-culture system. Moreover, E16 dorsal root ganglia were plated in contact with PCL filaments for 4 days to analyze neurite extension. Right sciatic nerves were exposed and a 10 mm nerve segment was removed. Distal and proximal stumps were reconnected inside a 14-mm polyethylene tube, leaving a gap of approximately 13 mm between the two stumps. Animals then received phosphate-buffered saline 1×, PCL filaments or PCL filaments previously incubated with MSC and, after 12 weeks, functional gait performance and histological analyses were made. Statistical analyses were made using Student’s unpaired t-test, one-way analysis of variance (ANOVA) or two-way ANOVA followed by Bonferroni post-test. Results MSC were confined to lateral areas and ridges of PCL filaments, aligning along the longitudinal. MSC showed high viability (90 %), and their proliferation and secretion capabilities were not completely inhibited by the filaments. Schwann cells adhered to filaments plated with MSC, maintaining high viability (90 %). Neurites grew and extended over the surface of PCL filaments, reaching greater distances when over MSC-plated filaments. Axons showed more organized and myelinized fibers and reinnervated significantly more muscle fibers when they were previously implanted with MSC-covered PLC filaments. Moreover, animals with MSC-covered filaments showed increased functional recovery after 12 weeks. Conclusions We provide evidence for the interaction among MSC, Schwann cells and PCL filaments, and we also demonstrate that this system can constitute a stable and permissive support for regeneration of segments of the peripheral nerves. Electronic supplementary material The online version of this article (doi:10.1186/s13287-015-0121-2) contains supplementary material, which is available to authorized users.
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Affiliation(s)
- A Carrier-Ruiz
- Universidade Federal do Rio de Janeiro, Instituto de Biofísica Carlos Chagas Filho, Laboratório de Neuroquímica, Centro de Ciências da Saúde Bl. C, Cidade Universitária, 21949-900, Rio de Janeiro, RJ, Brazil. .,Universidade Federal do Rio de Janeiro, Instituto de Biofísica Carlos Chagas Filho, Laboratório de Neurobiologia Celular e Molecular, Centro de Ciências da Saúde Bl. G Cidade Universitária, 21949-900, Rio de Janeiro, RJ, Brazil.
| | - F Evaristo-Mendonça
- Universidade Federal do Rio de Janeiro, Instituto de Biofísica Carlos Chagas Filho, Laboratório de Neuroquímica, Centro de Ciências da Saúde Bl. C, Cidade Universitária, 21949-900, Rio de Janeiro, RJ, Brazil. .,Universidade Federal do Rio de Janeiro, Núcleo Multidisciplinar de Pesquisa em Biologia - Numpex-Bio, Pólo de Xerém, Estrada de Xerém, N° 27, CEP: 25245-390, Duque de Caxias, RJ, Brazil.
| | - R Mendez-Otero
- Universidade Federal do Rio de Janeiro, Instituto de Biofísica Carlos Chagas Filho, Laboratório de Neurobiologia Celular e Molecular, Centro de Ciências da Saúde Bl. G Cidade Universitária, 21949-900, Rio de Janeiro, RJ, Brazil.
| | - V T Ribeiro-Resende
- Universidade Federal do Rio de Janeiro, Instituto de Biofísica Carlos Chagas Filho, Laboratório de Neuroquímica, Centro de Ciências da Saúde Bl. C, Cidade Universitária, 21949-900, Rio de Janeiro, RJ, Brazil. .,Universidade Federal do Rio de Janeiro, Núcleo Multidisciplinar de Pesquisa em Biologia - Numpex-Bio, Pólo de Xerém, Estrada de Xerém, N° 27, CEP: 25245-390, Duque de Caxias, RJ, Brazil. .,Programa de Neurobiologia, Instituto de Biofísica Carlos Chagas Filho, UFRJ, Centro de Ciências da Saúde, Bloco C, Cidade Universitária, 21941-902, Rio de Janeiro, Brazil.
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Bone marrow-derived, neural-like cells have the characteristics of neurons to protect the peripheral nerve in microenvironment. Stem Cells Int 2015; 2015:941625. [PMID: 25861281 PMCID: PMC4378708 DOI: 10.1155/2015/941625] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/31/2014] [Accepted: 02/27/2015] [Indexed: 11/18/2022] Open
Abstract
Effective repair of peripheral nerve defects is difficult because of the slow growth of new axonal growth. We propose that "neural-like cells" may be useful for the protection of peripheral nerve destructions. Such cells should prolong the time for the disintegration of spinal nerves, reduce lesions, and improve recovery. But the mechanism of neural-like cells in the peripheral nerve is still unclear. In this study, bone marrow-derived neural-like cells were used as seed cells. The cells were injected into the distal end of severed rabbit peripheral nerves that were no longer integrated with the central nervous system. Electromyography (EMG), immunohistochemistry, and transmission electron microscopy (TEM) were employed to analyze the development of the cells in the peripheral nerve environment. The CMAP amplitude appeared during the 5th week following surgery, at which time morphological characteristics of myelinated nerve fiber formation were observed. Bone marrow-derived neural-like cells could protect the disintegration and destruction of the injured peripheral nerve.
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Fairbairn NG, Meppelink AM, Ng-Glazier J, Randolph MA, Winograd JM. Augmenting peripheral nerve regeneration using stem cells: A review of current opinion. World J Stem Cells 2015; 7:11-26. [PMID: 25621102 PMCID: PMC4300921 DOI: 10.4252/wjsc.v7.i1.11] [Citation(s) in RCA: 98] [Impact Index Per Article: 10.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/27/2014] [Revised: 09/18/2014] [Accepted: 10/27/2014] [Indexed: 02/06/2023] Open
Abstract
Outcomes following peripheral nerve injury remain frustratingly poor. The reasons for this are multifactorial, although maintaining a growth permissive environment in the distal nerve stump following repair is arguably the most important. The optimal environment for axonal regeneration relies on the synthesis and release of many biochemical mediators that are temporally and spatially regulated with a high level of incompletely understood complexity. The Schwann cell (SC) has emerged as a key player in this process. Prolonged periods of distal nerve stump denervation, characteristic of large gaps and proximal injuries, have been associated with a reduction in SC number and ability to support regenerating axons. Cell based therapy offers a potential therapy for the improvement of outcomes following peripheral nerve reconstruction. Stem cells have the potential to increase the number of SCs and prolong their ability to support regeneration. They may also have the ability to rescue and replenish populations of chromatolytic and apoptotic neurons following axotomy. Finally, they can be used in non-physiologic ways to preserve injured tissues such as denervated muscle while neuronal ingrowth has not yet occurred. Aside from stem cell type, careful consideration must be given to differentiation status, how stem cells are supported following transplantation and how they will be delivered to the site of injury. It is the aim of this article to review current opinions on the strategies of stem cell based therapy for the augmentation of peripheral nerve regeneration.
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28
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Mesentier-Louro LA, Zaverucha-do-Valle C, da Silva-Junior AJ, Nascimento-dos-Santos G, Gubert F, de Figueirêdo ABP, Torres AL, Paredes BD, Teixeira C, Tovar-Moll F, Mendez-Otero R, Santiago MF. Distribution of mesenchymal stem cells and effects on neuronal survival and axon regeneration after optic nerve crush and cell therapy. PLoS One 2014; 9:e110722. [PMID: 25347773 PMCID: PMC4210195 DOI: 10.1371/journal.pone.0110722] [Citation(s) in RCA: 77] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2013] [Accepted: 09/24/2014] [Indexed: 02/07/2023] Open
Abstract
Bone marrow-derived cells have been used in different animal models of neurological diseases. We investigated the therapeutic potential of mesenchymal stem cells (MSC) injected into the vitreous body in a model of optic nerve injury. Adult (3–5 months old) Lister Hooded rats underwent unilateral optic nerve crush followed by injection of MSC or the vehicle into the vitreous body. Before they were injected, MSC were labeled with a fluorescent dye or with superparamagnetic iron oxide nanoparticles, which allowed us to track the cells in vivo by magnetic resonance imaging. Sixteen and 28 days after injury, the survival of retinal ganglion cells was evaluated by assessing the number of Tuj1- or Brn3a-positive cells in flat-mounted retinas, and optic nerve regeneration was investigated after anterograde labeling of the optic axons with cholera toxin B conjugated to Alexa 488. Transplanted MSC remained in the vitreous body and were found in the eye for several weeks. Cell therapy significantly increased the number of Tuj1- and Brn3a-positive cells in the retina and the number of axons distal to the crush site at 16 and 28 days after optic nerve crush, although the RGC number decreased over time. MSC therapy was associated with an increase in the FGF-2 expression in the retinal ganglion cells layer, suggesting a beneficial outcome mediated by trophic factors. Interleukin-1β expression was also increased by MSC transplantation. In summary, MSC protected RGC and stimulated axon regeneration after optic nerve crush. The long period when the transplanted cells remained in the eye may account for the effect observed. However, further studies are needed to overcome eventually undesirable consequences of MSC transplantation and to potentiate the beneficial ones in order to sustain the neuroprotective effect overtime.
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Affiliation(s)
- Louise Alessandra Mesentier-Louro
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, INBEB, Rio de Janeiro, Brazil
| | - Camila Zaverucha-do-Valle
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, INBEB, Rio de Janeiro, Brazil
| | - Almir Jordão da Silva-Junior
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, INBEB, Rio de Janeiro, Brazil
| | - Gabriel Nascimento-dos-Santos
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, INBEB, Rio de Janeiro, Brazil
| | - Fernanda Gubert
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, INBEB, Rio de Janeiro, Brazil
| | - Ana Beatriz Padilha de Figueirêdo
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, INBEB, Rio de Janeiro, Brazil
| | - Ana Luiza Torres
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, INBEB, Rio de Janeiro, Brazil
| | - Bruno D. Paredes
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, INBEB, Rio de Janeiro, Brazil
| | - Camila Teixeira
- National Center of Structural Biology and Bioimaging (CENABIO), Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Fernanda Tovar-Moll
- National Center of Structural Biology and Bioimaging (CENABIO), Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- D'Or Institute for Research and Education (IDOR), Rio de Janeiro, Brazil
- Institute of Biomedical Sciences (ICB), Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
| | - Rosalia Mendez-Otero
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, INBEB, Rio de Janeiro, Brazil
| | - Marcelo F. Santiago
- Instituto de Biofísica Carlos Chagas Filho, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
- Instituto Nacional de Ciência e Tecnologia de Biologia Estrutural e Bioimagem, INBEB, Rio de Janeiro, Brazil
- * E-mail:
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Oliveira JT, Bittencourt-Navarrete RE, de Almeida FM, Tonda-Turo C, Martinez AMB, Franca JG. Enhancement of median nerve regeneration by mesenchymal stem cells engraftment in an absorbable conduit: improvement of peripheral nerve morphology with enlargement of somatosensory cortical representation. Front Neuroanat 2014; 8:111. [PMID: 25360086 PMCID: PMC4199278 DOI: 10.3389/fnana.2014.00111] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2014] [Accepted: 09/18/2014] [Indexed: 12/12/2022] Open
Abstract
We studied the morphology and the cortical representation of the median nerve (MN), 10 weeks after a transection immediately followed by treatment with tubulization using a polycaprolactone (PCL) conduit with or without bone marrow-derived mesenchymal stem cell (MSC) transplant. In order to characterize the cutaneous representation of MN inputs in primary somatosensory cortex (S1), electrophysiological cortical mapping of the somatosensory representation of the forepaw and adjacent body parts was performed after acute lesion of all brachial plexus nerves, except for the MN. This was performed in ten adult male Wistar rats randomly assigned in three groups: MN Intact (n = 4), PCL-Only (n = 3), and PCL+MSC (n = 3). Ten weeks before mapping procedures in animals from PCL-Only and PCL+MSC groups, animal were subjected to MN transection with removal of a 4-mm-long segment, immediately followed by suturing a PCL conduit to the nerve stumps with (PCL+MSC group) or without (PCL-Only group) injection of MSC into the conduit. After mapping the representation of the MN in S1, animals had a segment of the regenerated nerve processed for light and transmission electron microscopy. For histomorphometric analysis of the nerve segment, sample size was increased to five animals per experimental group. The PCL+MSC group presented a higher number of myelinated fibers and a larger cortical representation of MN inputs in S1 (3,383 ± 390 fibers; 2.3 mm2, respectively) than the PCL-Only group (2,226 ± 575 fibers; 1.6 mm2). In conclusion, MSC-based therapy associated with PCL conduits can improve MN regeneration. This treatment seems to rescue the nerve representation in S1, thus minimizing the stabilization of new representations of adjacent body parts in regions previously responsive to the MN.
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Affiliation(s)
- Julia T Oliveira
- Laboratório de Neurodegeneração e Reparo, Instituto de Ciências Biomédicas, Centro de Ciências da Saúde, Universidade Federal do Rio de Janeiro Rio de Janeiro, Brazil
| | | | - Fernanda M de Almeida
- Laboratório de Neurodegeneração e Reparo, Instituto de Ciências Biomédicas, Centro de Ciências da Saúde, Universidade Federal do Rio de Janeiro Rio de Janeiro, Brazil ; Universidade Federal do Rio de Janeiro Macaé, Brazil
| | - Chiara Tonda-Turo
- Department of Mechanical and Aerospace Engineering, Politecnico di Torino Torino, Italy
| | - Ana Maria B Martinez
- Laboratório de Neurodegeneração e Reparo, Instituto de Ciências Biomédicas, Centro de Ciências da Saúde, Universidade Federal do Rio de Janeiro Rio de Janeiro, Brazil ; Departamento de Anatomia Patológica, Faculdade de Medicina, e Pós Graduação em Anatomia Patológica, Centro de Ciências da Saúde, Hospital Universitário Clementino Fraga Filho, Universidade Federal do Rio de Janeiro Rio de Janeiro, Brazil
| | - João G Franca
- Programa de Neurobiologia, Instituto de Biofísica Carlos Chagas Filho, Centro de Ciências da Saúde, Universidade Federal do Rio de Janeiro Rio de Janeiro, Brazil
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Luo H, Zhu B, Zhang Y, Jin Y. Tissue-engineered nerve constructs under a microgravity system for peripheral nerve regeneration. Tissue Eng Part A 2014; 21:267-76. [PMID: 25088840 DOI: 10.1089/ten.tea.2013.0565] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/28/2023] Open
Abstract
Mesenchymal stem cells (MSCs) seeded in a 3D scaffold often present characteristics of low proliferation and migration, which affect the microstructure of tissue-engineered nerves (TENs) and impair the therapeutic effects of nerve defects. By promoting MSC differentiation and mass/nutrient transport, rotary cell culture systems (RCCSs) display potential for advancing the construction of MSC-based TENs. Thus, in this study, we attempted to construct a TEN composed of adipose-derived mesenchymal stem cells (ADSCs) and acellular nerve graft (ANG) utilizing an RCCS. Compared to TENs prepared in a static 3D approach, MTT and cell count results displayed an increased number of ADSCs for TENs in an RCCS. The similarity in cell cycle states and high rates of apoptosis in the static 3D culture demonstrated that the higher proliferation in the RCCS was not due to microgravity regulation but a result of preferential mass/nutrient transport. Quantitative PCR and ELISA indicated that the RCCS promoted the expression of ADSC neural differentiation-associated genes compared to the static 3D culture. Furthermore, this difference was eliminated by adding the Notch1 signaling pathway inhibitor DAPT to the 3D static culture. TEM, axon immunostaining, and retrograde labeling analysis after sciatic nerve transplantation indicated that the TENs prepared in the RCCS exhibited more regenerative characteristics for repairing peripheral nerves than those prepared in a static 3D approach. Therefore, these findings suggest that the RCCS can modulate the construction, morphology, and function of engineered nerves as a promising alternative for nerve regeneration.
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Affiliation(s)
- Hailang Luo
- 1 Research and Development Center for Tissue Engineering, Fourth Military Medical University , Xi'an, China
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31
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Li Y, Hua X, Hua F, Mao W, Wan L, Li S. Are bone marrow regenerative cells ideal seed cells for the treatment of cerebral ischemia? Neural Regen Res 2014; 8:1201-9. [PMID: 25206414 PMCID: PMC4107607 DOI: 10.3969/j.issn.1673-5374.2013.13.005] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/30/2012] [Accepted: 03/27/2013] [Indexed: 01/16/2023] Open
Abstract
Bone marrow cells for the treatment of ischemic brain injury may depend on the secretion of a large number of neurotrophic factors. Bone marrow regenerative cells are capable of increasing the secretion of neurotrophic factors. In this study, after tail vein injection of 5-fluorouracil for 7 days, bone marrow cells and bone marrow regenerative cells were isolated from the tibias and femurs of rats, and then administered intravenously via the tail vein after focal cerebral ischemia. Immunohistological staining and reverse transcription-PCR detection showed that transplanted bone marrow cells and bone marrow regenerative cells could migrate and survive in the ischemic regions, such as the cortical and striatal infarction zone. These cells promote vascular endothelial cell growth factor mRNA expression in the ischemic marginal zone surrounding the ischemic penumbra of the cortical and striatal infarction zone, and have great advantages in promoting the recovery of neurological function, reducing infarct size and promoting angiogenesis. Bone marrow regenerative cells exhibited stronger neuroprotective effects than bone marrow cells. Our experimental findings indicate that bone marrow regenerative cells are preferable over bone marrow cells for cell therapy for neural regeneration after cerebral ischemia. Their neuroprotective effect is largely due to their ability to induce the secretion of factors that promote vascular regeneration, such as vascular endothelial growth factor.
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Affiliation(s)
- Yi Li
- Department of Neurosurgery, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - Xuming Hua
- Department of Neurosurgery, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - Fang Hua
- Department of Emergency Medicine, Brain Research Laboratory, Emory University School of Medicine, Atlanta, GA 30322, USA
| | - Wenwei Mao
- Laboratory of Microbiology and Biochemical Pharmaceutics, School of Pharmacy, Shanghai Jiao Tong University, Shanghai 200240, China
| | - Liang Wan
- Department of Neurosurgery, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
| | - Shiting Li
- Department of Neurosurgery, Xinhua Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai 200092, China
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Peng Y, Zhang Y, Huang B, Luo Y, Zhang M, Li K, Li W, Wen W, Tang S. Survival and migration of pre-induced adult human peripheral blood mononuclear cells in retinal degeneration slow (rds) mice three months after subretinal transplantation. Curr Stem Cell Res Ther 2014; 9:124-33. [PMID: 24350910 PMCID: PMC4101734 DOI: 10.2174/1574888x09666131219115125] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2013] [Revised: 12/07/2013] [Accepted: 12/10/2013] [Indexed: 12/18/2022]
Abstract
Introduction: Retinitis pigmentosa (RP), an inherited disease characterized by progressive loss of photoreceptors and retinal pigment epithelium, is a leading genetic cause of blindness. Cell transplantation to replace lost photoreceptors is a potential therapeutic strategy, but technical limitations have prevented clinical application. Adult human peripheral blood mononuclear cells (hPBMCs) may be an ideal cell source for such therapies. This study examined the survival and migration of pre-induced hPBMCs three months after subretinal transplantation in the retinal degeneration slow (rds) mouse model of RP. Materials and Methods: Freshly isolated adult hPBMCs were pre-induced by co-culture with neonatal Sprague-Dawley (SD) rat retinal tissue for 4 days in neural stem cell medium. Pre-induced cells were labeled with CM-DiI for tracing and injected into the right subretinal space of rds mice by the trans-scleral approach. After two and three months, right eyes were harvested and transplanted cell survival and migration examined in frozen sections and whole mountretinas. Immunofluorescence in whole-mount retinas was used to detect the expression of human neuronal and photorece ptorsprotein markers by transplanted cells. Results: Pre-induced adult hPBMCs could survive in vivo and migrate to various parts of the retina. After two and three months, transplanted cells were observed in the ciliary body, retinal outer nuclear layer, inner nuclear layer, ganglion cell layer, optic papilla, and within the optic nerve. The neuronal and photoreceptor markers CD90/Thy1, MAP-2, nestin, and rhodopsin were expressed by subpopulations of CM-DiI-positive cells three months after subretinal transplantation. Conclusion: Pre-induced adult hPBMCs survived for at least three months after subretinal transplantation, migrated throughout the retina, and expressed human protein markers. These results suggest that hPBMCs could be used for cell replacement therapy to treat retinal degenerative diseases.
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Affiliation(s)
| | | | | | | | | | | | | | | | - Shibo Tang
- State Key Laboratory of Ophthalmology, Zhongshan Ophthalmic Center, Sun Yat-sen University, GuangZhou 510060, China.
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Sustained effect of bone marrow mononuclear cell therapy in axonal regeneration in a model of optic nerve crush. Brain Res 2014; 1587:54-68. [PMID: 25204691 DOI: 10.1016/j.brainres.2014.08.070] [Citation(s) in RCA: 23] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2013] [Revised: 07/25/2014] [Accepted: 08/30/2014] [Indexed: 11/22/2022]
Abstract
In adult mammals, the regeneration of the optic nerve is very limited and at the moment there are several groups trying different approaches to increase retinal ganglion cell (RGC) survival and axonal outgrowth. One promising approach is cell therapy. In previous work, we performed intravitreal transplantation of bone-marrow mononuclear cells (BMMCs) after optic nerve crush in adult rats and we demonstrated an increase in RGC survival and axon outgrowth 14 days after injury. In the present work, we investigated if these results could be sustained for a longer period of time. Optic nerve crush was performed in Lister-hooded adult rats and BMMC or saline injections were performed shortly after injury. Neuronal survival and regeneration were evaluated in rats׳ retina and optic nerve after 28 days. We demonstrated an increase of 5.2 fold in the axon outgrowth 28 days after lesion, but the BMMCs had no effect on RGC survival. In an attempt to prolong RGC survival, we established a new protocol with two BMMC injections, the second one 7 days after the injury. Untreated animals received two injections of saline. We observed that although the axonal outgrowth was still increased after the second BMMC injection, the RGC survival was not significantly different from untreated animals. These results demonstrate that BMMCs transplantation promotes neuroregeneration at least until 28 days after injury. However, the effects on RGC survival previously observed by us at 14 days were not sustained at 28 days and could not be prolonged with a second dose of BMMC.
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Evans-Galea MV, Pébay A, Dottori M, Corben LA, Ong SH, Lockhart PJ, Delatycki MB. Cell and gene therapy for Friedreich ataxia: progress to date. Hum Gene Ther 2014; 25:684-93. [PMID: 24749505 DOI: 10.1089/hum.2013.180] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/26/2022] Open
Abstract
Neurodegenerative disorders such as Friedreich ataxia (FRDA) present significant challenges in developing effective therapeutic intervention. Current treatments aim to manage symptoms and thus improve quality of life, but none can cure, nor are proven to slow, the neurodegeneration inherent to this disease. The primary clinical features of FRDA include progressive ataxia and shortened life span, with complications of cardiomyopathy being the major cause of death. FRDA is most commonly caused by an expanded GAA trinucleotide repeat in the first intron of FXN that leads to reduced levels of frataxin, a mitochondrial protein important for iron metabolism. The GAA expansion in FRDA does not alter the coding sequence of FXN. It results in reduced production of structurally normal frataxin, and hence any increase in protein level is expected to be therapeutically beneficial. Recently, there has been increased interest in developing novel therapeutic applications like cell and/or gene therapies, and these cutting-edge applications could provide effective treatment options for FRDA. Importantly, since individuals with FRDA produce frataxin at low levels, increased expression should not elicit an immune response. Here we review the advances to date and highlight the future potential for cell and gene therapy to treat this debilitating disease.
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Affiliation(s)
- Marguerite V Evans-Galea
- 1 Bruce Lefroy Centre for Genetic Health Research, Murdoch Children's Research Institute , Parkville Victoria 3052, Australia
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Oliveira JT, Mostacada K, de Lima S, Martinez AMB. Bone marrow mesenchymal stem cell transplantation for improving nerve regeneration. INTERNATIONAL REVIEW OF NEUROBIOLOGY 2014; 108:59-77. [PMID: 24083431 DOI: 10.1016/b978-0-12-410499-0.00003-4] [Citation(s) in RCA: 12] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Although the peripheral nervous system has an inherent capacity for regeneration, injuries to nerves still result in considerable disabilities. The persistence of these disabilities along with the underlying problem of nerve reconstruction has motivated neuroscientists worldwide to seek additional therapeutic strategies. In recent years, cell-based therapy has emerged as a promising therapeutic tool. Schwann cells (SCs) are the main supportive cells for peripheral nerve regeneration; however, there are several technical limitations regarding its application for cell-based therapy. In this context, bone marrow mesenchymal stem cells (BM-MSCs) have been used as alternatives to SCs for treating peripheral neuropathies, showing great promise. Several studies have been trying to shed light on the mechanisms behind the nerve regeneration-promotion potential of BM-MSCs. Although not completely clarified, understanding how BM-MSCs exert tissue repair effects will facilitate their development as therapeutic agents before they become a clinically viable tool for encouraging peripheral nerve regeneration.
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Affiliation(s)
- Júlia Teixeira Oliveira
- Programa de Neurociência Básica e Clínica, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil.
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36
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Martinez AMB, Goulart CDO, Ramalho BDS, Oliveira JT, Almeida FM. Neurotrauma and mesenchymal stem cells treatment: From experimental studies to clinical trials. World J Stem Cells 2014; 6:179-94. [PMID: 24772245 PMCID: PMC3999776 DOI: 10.4252/wjsc.v6.i2.179] [Citation(s) in RCA: 31] [Impact Index Per Article: 3.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 10/29/2013] [Revised: 02/26/2014] [Accepted: 03/11/2014] [Indexed: 02/06/2023] Open
Abstract
Mesenchymal stem cell (MSC) therapy has attracted the attention of scientists and clinicians around the world. Basic and pre-clinical experimental studies have highlighted the positive effects of MSC treatment after spinal cord and peripheral nerve injury. These effects are believed to be due to their ability to differentiate into other cell lineages, modulate inflammatory and immunomodulatory responses, reduce cell apoptosis, secrete several neurotrophic factors and respond to tissue injury, among others. There are many pre-clinical studies on MSC treatment for spinal cord injury (SCI) and peripheral nerve injuries. However, the same is not true for clinical trials, particularly those concerned with nerve trauma, indicating the necessity of more well-constructed studies showing the benefits that cell therapy can provide for individuals suffering the consequences of nerve lesions. As for clinical trials for SCI treatment the results obtained so far are not as beneficial as those described in experimental studies. For these reasons basic and pre-clinical studies dealing with MSC therapy should emphasize the standardization of protocols that could be translated to the clinical set with consistent and positive outcomes. This review is based on pre-clinical studies and clinical trials available in the literature from 2010 until now. At the time of writing this article there were 43 and 36 pre-clinical and 19 and 1 clinical trials on injured spinal cord and peripheral nerves, respectively.
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Affiliation(s)
- Ana Maria Blanco Martinez
- Ana Maria Blanco Martinez, Camila de Oliveira Goulart, Bruna dos Santos Ramalho, Júlia Teixeira Oliveira, Fernanda Martins Almeida, Laboratory of Neurodegeneration and Repair, Institute of Biomedical Sciences, Health Science Center, 21941-902, Rio de Janeiro, Brazil
| | - Camila de Oliveira Goulart
- Ana Maria Blanco Martinez, Camila de Oliveira Goulart, Bruna dos Santos Ramalho, Júlia Teixeira Oliveira, Fernanda Martins Almeida, Laboratory of Neurodegeneration and Repair, Institute of Biomedical Sciences, Health Science Center, 21941-902, Rio de Janeiro, Brazil
| | - Bruna Dos Santos Ramalho
- Ana Maria Blanco Martinez, Camila de Oliveira Goulart, Bruna dos Santos Ramalho, Júlia Teixeira Oliveira, Fernanda Martins Almeida, Laboratory of Neurodegeneration and Repair, Institute of Biomedical Sciences, Health Science Center, 21941-902, Rio de Janeiro, Brazil
| | - Júlia Teixeira Oliveira
- Ana Maria Blanco Martinez, Camila de Oliveira Goulart, Bruna dos Santos Ramalho, Júlia Teixeira Oliveira, Fernanda Martins Almeida, Laboratory of Neurodegeneration and Repair, Institute of Biomedical Sciences, Health Science Center, 21941-902, Rio de Janeiro, Brazil
| | - Fernanda Martins Almeida
- Ana Maria Blanco Martinez, Camila de Oliveira Goulart, Bruna dos Santos Ramalho, Júlia Teixeira Oliveira, Fernanda Martins Almeida, Laboratory of Neurodegeneration and Repair, Institute of Biomedical Sciences, Health Science Center, 21941-902, Rio de Janeiro, Brazil
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Liu YX, Guo XM, Li JF, Meng Y, Zhang HT, Liu AJ, Li SC, Liu YL, Zhu H, Xue JH, Zhang Y, Zhang ZW. Restoration of tissue damage, and never activity after hypoxia–ischemia by implantation of peripheral blood mononuclear cells. Brain Res 2014; 1546:34-45. [PMID: 24373803 DOI: 10.1016/j.brainres.2013.11.026] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/26/2013] [Revised: 10/30/2013] [Accepted: 11/26/2013] [Indexed: 11/25/2022]
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Wang J, Yu L, Jiang C, Chen M, Ou C, Wang J. Bone marrow mononuclear cells exert long-term neuroprotection in a rat model of ischemic stroke by promoting arteriogenesis and angiogenesis. Brain Behav Immun 2013; 34:56-66. [PMID: 23891963 PMCID: PMC3795857 DOI: 10.1016/j.bbi.2013.07.010] [Citation(s) in RCA: 47] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 05/11/2013] [Revised: 07/06/2013] [Accepted: 07/17/2013] [Indexed: 01/02/2023] Open
Abstract
Transplanted bone marrow-derived mononuclear cells (BMMNCs) can promote arteriogenesis and angiogenesis by incorporating into vascular walls and differentiating into smooth muscle cells (SMCs) and endothelial cells (ECs). Here, we explored whether BMMNCs can enhance arteriogenesis and angiogenesis and promote long-term functional recovery in a rat model of permanent middle cerebral artery occlusion (pMCAO). Sprague-Dawley rats were injected with vehicle or 1×10(7) BMMNCs labeled with BrdU via femoral vein 24 h after induction of pMCAO. Functional deficits were assessed weekly through day 42 after pMCAO, and infarct volume was assessed on day 7. We visualized the angioarchitecture by latex perfusion on days 14 and 42. BMMNC transplantation significantly reduced infarct volume and neurologic functional deficits compared with untreated or vehicle-treated ischemic groups. In BMMNC-treated rats, BrdU-positive cells were widely distributed in the infarct boundary zone, were incorporated into vessel walls, and enhanced the growth of leptomeningeal anastomoses, the circle of Willis, and basilar arteries. BMMNCs were shown to differentiate into SMCs and ECs from day 14 after stroke and preserved vascular repair function for at least 6 weeks. Our data indicate that BMMNCs can significantly enhance arteriogenesis and angiogenesis, reduce infarct volume, and promote long-term functional recovery after pMCAO in rats.
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Affiliation(s)
- Jianping Wang
- Department of Neurology, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou, 450052 Henan, China.
| | - Lie Yu
- Department of Neurology, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Chao Jiang
- Department of Neurology, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China,Department of Anesthesiology/Critical Care Medicine, Johns Hopkins University, School of Medicine, Baltimore, MD, USA
| | - Ming Chen
- Department of Neurology, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Chunying Ou
- Department of Neurology, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China
| | - Jian Wang
- Department of Anesthesiology/Critical Care Medicine, Johns Hopkins University, School of Medicine, Baltimore, MD, USA,Address correspondence to: Jianping Wang, MD, PhD, Department of Neurology, The Fifth Affiliated Hospital of Zhengzhou University, Zhengzhou 450052, Henan, China. (Phone: 011-86-371-68322417; Fax: 86-371-66965783; ) Or: Jian Wang, MD, PhD, Department of Anesthesiology/Critical Care Medicine, Johns Hopkins University, School of Medicine, Baltimore, MD, USA. (Phone: 410-955-3640; Fax: 410-502-5177; )
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Alessandri M, Lizzo G, Gualandi C, Mangano C, Giuliani A, Focarete ML, Calzà L. Influence of biological matrix and artificial electrospun scaffolds on proliferation, differentiation and trophic factor synthesis of rat embryonic stem cells. Matrix Biol 2013; 33:68-76. [PMID: 23954537 DOI: 10.1016/j.matbio.2013.08.001] [Citation(s) in RCA: 19] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/23/2013] [Revised: 08/02/2013] [Accepted: 08/02/2013] [Indexed: 01/06/2023]
Abstract
Two-dimensional vs three-dimensional culture conditions, such as the presence of extracellular matrix components, could deeply influence the cell fate and properties. In this paper we investigated proliferation, differentiation, survival, apoptosis, growth and neurotrophic factor synthesis of rat embryonic stem cells (RESCs) cultured in 2D and 3D conditions generated using Cultrex® Basement Membrane Extract (BME) and in poly-(L-lactic acid) (PLLA) electrospun sub-micrometric fibres. It is demonstrated that, in the absence of other instructive stimuli, growth, differentiation and paracrine activity of RESCs are directly affected by the different microenvironment provided by the scaffold. In particular, RESCs grown on an electrospun PLLA scaffolds coated or not with BME have a higher proliferation rate, higher production of bioactive nerve growth factor (NGF) and vascular endothelial growth factor (VEGF) compared to standard 2D conditions, lasting for at least 2 weeks. Due to the high mechanical flexibility of PLLA electrospun scaffolds, the PLLA/stem cell culture system offers an interesting potential for implantable neural repair devices.
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Affiliation(s)
- M Alessandri
- Health Sciences and Technologies-Interdepartmental Center for Industrial Research (HST-ICIR), University of Bologna, Bologna, Italy.
| | - G Lizzo
- Department of Veterinary Medical Science, University of Bologna, Bologna, Italy.
| | - C Gualandi
- Department of Chemistry "G. Ciamician" and National Consortium of Materials Science and Technology (INSTM, Bologna RU), University of Bologna, Bologna, Italy; Advanced Applications in Mechanical Engineering and Materials Technology. Interdepartmental Center for Industrial Research, University of Bologna, Bologna, Italy.
| | - C Mangano
- Department of Veterinary Medical Science, University of Bologna, Bologna, Italy
| | - A Giuliani
- Department of Veterinary Medical Science, University of Bologna, Bologna, Italy.
| | - M L Focarete
- Health Sciences and Technologies-Interdepartmental Center for Industrial Research (HST-ICIR), University of Bologna, Bologna, Italy; Department of Chemistry "G. Ciamician" and National Consortium of Materials Science and Technology (INSTM, Bologna RU), University of Bologna, Bologna, Italy.
| | - L Calzà
- Health Sciences and Technologies-Interdepartmental Center for Industrial Research (HST-ICIR), University of Bologna, Bologna, Italy; Department of Veterinary Medical Science, University of Bologna, Bologna, Italy.
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Guo X, Bu X, Li Z, Yan Z, Jiang J, Zhou Z. Comparison of autologous bone marrow mononuclear cells transplantation and mobilization by granulocyte colony-stimulating factor in experimental spinal injury. Int J Neurosci 2013; 122:723-33. [PMID: 22862301 DOI: 10.3109/00207454.2012.716109] [Citation(s) in RCA: 9] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/13/2022]
Abstract
BACKGROUND Recent studies have shown that autologous adult stem cells may be a protocol of treatment for spinal cord injury (SCI) in humans. The purpose of this study was to compare the effect of an injection of autologous bone marrow mononuclear cells (BMMCs) and bone-marrow cell mobilization induced by granulocyte colony stimulating factor (G-CSF) in rats with SCI. METHODS Adult rats were assigned into three groups: control group (SCI only), SCI + BMMCs, and SCI + G - CSF. Neurological scores and electrophysiological testing were done in all rats before SCI, and at 1, 7, 14, 28, 56 days post-SCI. Simultaneously, immunohistochemical labeling and TUNEL assay were performed at the given time. RESULTS From 1 week post-SCI onward, animals treated with BMMCs or G-CSF had higher BBB scores than control group. Motor and somatosensory evoked potentials (MEPs and SEPs, respectively) of the treated group were significantly better than those in control group at 2 weeks. After sacrifice, compared with the control, animals treated with BMMCs and G-CSF significantly increased expressions of Brdu, NSE, GFAP, Factor VIII, BDNF, and reduced expression of apoptosis cells around the lesion site. Our results indicate that administration of BMMCs and G-CSF in a SCI model achieves similarly positive effect on functional and histologic recovery. CONCLUSIONS The use of G-CSF may be a viable alternative to BMMCs for autograft in patients with SCI.
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Affiliation(s)
- Xiaohe Guo
- Department of Neurosurgery, Henan Provincial People's Hospital, Zhengzhou, China
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41
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Gubert F, Zaverucha-do-Valle C, Figueiredo FR, Bargas-Rega M, Paredes BD, Mencalha AL, Abdelhay E, Gutfilen B, Barbosa da Fonseca LM, Mendez-Otero R, Santiago MF. Bone-marrow cell therapy induces differentiation of radial glia-like cells and rescues the number of oligodendrocyte progenitors in the subventricular zone after global cerebral ischemia. Stem Cell Res 2013; 10:241-56. [DOI: 10.1016/j.scr.2012.11.009] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 04/17/2012] [Revised: 10/29/2012] [Accepted: 11/30/2012] [Indexed: 01/17/2023] Open
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Tomita K, Madura T, Sakai Y, Yano K, Terenghi G, Hosokawa K. Glial differentiation of human adipose-derived stem cells: implications for cell-based transplantation therapy. Neuroscience 2013; 236:55-65. [PMID: 23370324 DOI: 10.1016/j.neuroscience.2012.12.066] [Citation(s) in RCA: 122] [Impact Index Per Article: 11.1] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2012] [Revised: 11/23/2012] [Accepted: 12/20/2012] [Indexed: 12/17/2022]
Abstract
Increasing evidence has shown that adipose-derived stem cells (ASCs) could transdifferentiate into Schwann cell (SC)-like cells to enhance nerve regeneration, suggesting potential new cell-based transplantation therapy for peripheral nerve injuries and neurodegenerative disorders. For the implementation of these results to the clinical setting, it is of great importance to establish the differentiation of human ASCs (hASCs) into a SC phenotype. In this study, we studied hASCs obtained from subcutaneous fat tissue of healthy donors. By a mixture of glial growth factors we differentiated them into Schwann cell-like cells (dhASCs). We then assessed their ability to act as Schwann cells in vitro and in vivo and also compared them with primary human Schwann cells (hSCs). Enzyme-linked immunosorbent assay showed that dhASCs secreted brain-derived neurotrophic factor (BDNF)/nerve growth factor (NGF) at a comparable level, and glial cell-derived neurotrophic factor (GDNF) at a level even higher than hSCs, whereas undifferentiated hASCs (uhASCs) secreted low levels of these neurotrophic factors. In co-culture with NG108-15 neuronal cells we found that both dhASCs and hSCs significantly increased the percentage of cells with neurites, the neurite length, and the number of neurites per neuron, whereas uhASCs increased only the percentage of cells with neurites. Finally, we transplanted green fluorescent protein (GFP)-labeled hASCs into the crushed tibial nerve of athymic nude rats. The transplanted hASCs showed a close association with PGP9.5-positive axons and myelin basic protein (MBP)-positive myelin at 8weeks after transplantation. Quantitative analysis revealed that dhASCs transplantation resulted in significantly improved survival and myelin formation rates (a 7-fold and a 10-fold increase, respectively) as compared with uhASCs transplantation. These findings suggest that hASCs took part in supporting and myelinating regenerating axons, and thus have achieved full glial differentiation in vivo. In conclusion, hASCs can differentiate into SC-like cells that possess a potent capacity to secrete neurotrophic factors as well as to form myelin in vivo. These findings make hASCs an interesting prospect for cell-based transplantation therapy for various peripheral nerve disorders.
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Affiliation(s)
- K Tomita
- Department of Plastic Surgery, Graduate School of Medicine, Osaka University, Osaka, Japan.
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Bulken-Hoover JD, Jackson WM, Ji Y, Volger JA, Tuan RS, Nesti LJ. Inducible expression of neurotrophic factors by mesenchymal progenitor cells derived from traumatically injured human muscle. Mol Biotechnol 2012; 51:128-36. [PMID: 21904958 DOI: 10.1007/s12033-011-9445-z] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Peripheral nerve damage frequently accompanies musculoskeletal trauma and repair of these nerves could be enhanced by the targeted application of neurotrophic factors (NTFs), which are typically expressed by endogenous cells that support nerve regeneration. Injured muscle tissues express NTFs to promote reinnervation as the tissue regenerates, but the source of these factors from within the muscles is not fully understood. We have previously identified a population of mesenchymal progenitor cells (MPCs) in traumatized muscle tissue with properties that support tissue regeneration, and our hypothesis was that MPCs also secrete the NTFs that are associated with muscle tissue reinnervation. We determined that MPCs express genes associated with neurogenic function and measured the protein-level expression of specific NTFs with known functions to support nerve regeneration. We also demonstrated the effectiveness of a neurotrophic induction protocol to enhance the expression of the NTFs, which suggests that the expression of these factors may be modulated by the cellular environment. Finally, neurotrophic induction affected the expression of cell surface markers and proliferation rate of the MPCs. Our findings indicate that traumatized muscle-derived MPCs may be useful as a therapeutic cell type to enhance peripheral nerve regeneration following musculoskeletal injury.
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Affiliation(s)
- Jamie D Bulken-Hoover
- Cartilage Biology and Orthopaedic Branch, Department of Health and Human Services, National Institute of Arthritis and Musculoskeletal and Skin Disease, National Institutes of Health, Bethesda, MD MSC 8022, USA
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Raheja A, Suri V, Suri A, Sarkar C, Srivastava A, Mohanty S, Jain KG, Sharma MC, Mallick HN, Yadav PK, Kalaivani M, Pandey RM. Dose-dependent facilitation of peripheral nerve regeneration by bone marrow-derived mononuclear cells: a randomized controlled study: laboratory investigation. J Neurosurg 2012; 117:1170-81. [PMID: 23039144 DOI: 10.3171/2012.8.jns111446] [Citation(s) in RCA: 18] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/17/2022]
Abstract
OBJECT Bone marrow-derived stem cells enhance the rate of regeneration of neuronal cells leading to clinical improvement in nerve injury, spinal cord injury, and brain infarction. Recent experiments in the local application of bone marrow-derived mononuclear cells (BM-MNCs) in models of sciatic nerve transection in rats have suggested their beneficial role in nerve regeneration, although the effects of variable doses of stem cells on peripheral nerve regeneration have never been specifically evaluated in the literature. In this paper, the authors evaluated the dose-dependent role of BM-MNCs in peripheral nerve regeneration in a model of sciatic nerve transection in rats. METHODS The right sciatic nerve of 60 adult female Wistar rats (randomized into 2 test groups and 1 control group, 20 rats in each group) underwent transection under an operating microscope. The cut ends of the nerve were approximated using 2 epineural microsutures. The gap was filled with low-dose (5 million BM-MNCs/100 μl phosphate-buffered saline [PBS]) rat BM-MNCs in one group, high-dose (10 million BM-MNCs/100 μl PBS) rat BM-MNCs in another group, and only PBS in the control group, and the approximated nerve ends were sealed using fibrin glue. Histological assessment was performed after 30 days by using semiquantitative and morphometric analyses and was done to assess axonal regeneration, percentage of myelinated fibers, axonal diameter, fiber diameter, and myelin thickness at distal-most sites (10 mm from site of repair), intermediate distal sites (5 mm distal to the repair site), and site of repair. RESULTS The recovery of nerve cell architecture after nerve anastomosis was far better in the high-dose BM-MNC group than in the low-dose BM-MNC and control groups, and it was most evident (p < 0.02 in the majority of the parameters [3 of 4]) at the distal-most site. Overall, the improvement in myelin thickness was most significant with incremental dosage of BM-MNCs, and was evident at the repair, intermediate distal, and distal-most sites (p = 0.001). CONCLUSIONS This study emphasizes the role of BM-MNCs, which can be isolated easily from bone marrow aspirates, in peripheral nerve injury and highlights their dose-dependent facilitation of nerve regeneration.
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Affiliation(s)
- Amol Raheja
- Department of Neurosurgery and Gamma Knife, All India Institute of Medical Sciences, New Delhi, India
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Ribeiro-Resende VT, Carrier-Ruiz A, Lemes RMR, Reis RAM, Mendez-Otero R. Bone marrow-derived fibroblast growth factor-2 induces glial cell proliferation in the regenerating peripheral nervous system. Mol Neurodegener 2012; 7:34. [PMID: 22793996 PMCID: PMC3503565 DOI: 10.1186/1750-1326-7-34] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/16/2012] [Accepted: 05/01/2012] [Indexed: 01/19/2023] Open
Abstract
Background Among the essential biological roles of bone marrow-derived cells, secretion of many soluble factors is included and these small molecules can act upon specific receptors present in many tissues including the nervous system. Some of the released molecules can induce proliferation of Schwann cells (SC), satellite cells and lumbar spinal cord astrocytes during early steps of regeneration in a rat model of sciatic nerve transection. These are the major glial cell types that support neuronal survival and axonal growth following peripheral nerve injury. Fibroblast growth factor-2 (FGF-2) is the main mitogenic factor for SCs and is released in large amounts by bone marrow-derived cells, as well as by growing axons and endoneurial fibroblasts during development and regeneration of the peripheral nervous system (PNS). Results Here we show that bone marrow-derived cell treatment induce an increase in the expression of FGF-2 in the sciatic nerve, dorsal root ganglia and the dorsolateral (DL) region of the lumbar spinal cord (LSC) in a model of sciatic nerve transection and connection into a hollow tube. SCs in culture in the presence of bone marrow derived conditioned media (CM) resulted in increased proliferation and migration. This effect was reduced when FGF-2 was neutralized by pretreating BMMC or CM with a specific antibody. The increased expression of FGF-2 was validated by RT-PCR and immunocytochemistry in co-cultures of bone marrow derived cells with sciatic nerve explants and regenerating nerve tissue respectivelly. Conclusion We conclude that FGF-2 secreted by BMMC strongly increases early glial proliferation, which can potentially improve PNS regeneration.
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Affiliation(s)
- Victor Tulio Ribeiro-Resende
- Laboratório de Neurobiologia Celular e Molecular, Programa de Terapia Celular e Bioengenharia, Instituto de Biofísica Carlos Chagas Filho, UFRJ, Centro de Ciências da Saúde, Bl, G, Cidade Universitária, 21949-900, Rio de Janeiro, Brazil.
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Frattini F, Lopes FRP, Almeida FM, Rodrigues RF, Boldrini LC, Tomaz MA, Baptista AF, Melo PA, Martinez AMB. Mesenchymal stem cells in a polycaprolactone conduit promote sciatic nerve regeneration and sensory neuron survival after nerve injury. Tissue Eng Part A 2012; 18:2030-9. [PMID: 22646222 DOI: 10.1089/ten.tea.2011.0496] [Citation(s) in RCA: 59] [Impact Index Per Article: 4.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/22/2022] Open
Abstract
Despite the fact that the peripheral nervous system is able to regenerate after traumatic injury, the functional outcomes following damage are limited and poor. Bone marrow mesenchymal stem cells (MSCs) are multipotent cells that have been used in studies of peripheral nerve regeneration and have yielded promising results. The aim of this study was to evaluate sciatic nerve regeneration and neuronal survival in mice after nerve transection followed by MSC treatment into a polycaprolactone (PCL) nerve guide. The left sciatic nerve of C57BL/6 mice was transected and the nerve stumps were placed into a biodegradable PCL tube leaving a 3-mm gap between them; the tube was filled with MSCs obtained from GFP+ animals (MSC-treated group) or with a culture medium (Dulbecco's modified Eagle's medium group). Motor function was analyzed according to the sciatic functional index (SFI). After 6 weeks, animals were euthanized, and the regenerated sciatic nerve, the dorsal root ganglion (DRG), the spinal cord, and the gastrocnemius muscle were collected and processed for light and electron microscopy. A quantitative analysis of regenerated nerves showed a significant increase in the number of myelinated fibers in the group that received, within the nerve guide, stem cells. The number of neurons in the DRG was significantly higher in the MSC-treated group, while there was no difference in the number of motor neurons in the spinal cord. We also found higher values of trophic factors expression in MSC-treated groups, especially a nerve growth factor. The SFI revealed a significant improvement in the MSC-treated group. The gastrocnemius muscle showed an increase in weight and in the levels of creatine phosphokinase enzyme, suggesting an improvement of reinnervation and activity in animals that received MSCs. Immunohistochemistry documented that some GFP+ -transplanted cells assumed a Schwann-cell-like phenotype, as evidenced by their expression of the S-100 protein, a Schwann cell marker. Our findings suggest that using a PCL tube filled with MSCs is a good strategy to improve nerve regeneration after a nerve transection in mice.
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Affiliation(s)
- Flávia Frattini
- Programa de Pesquisa em Neurociência Básica e Clínica, Instituto de Ciências Biomédicas, Universidade Federal do Rio de Janeiro, Rio de Janeiro, Brazil
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Jackson WM, Alexander PG, Bulken-Hoover JD, Vogler JA, Ji Y, McKay P, Nesti LJ, Tuan RS. Mesenchymal progenitor cells derived from traumatized muscle enhance neurite growth. J Tissue Eng Regen Med 2012; 7:443-51. [PMID: 22552971 DOI: 10.1002/term.539] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/01/2011] [Revised: 08/23/2011] [Accepted: 11/03/2011] [Indexed: 12/18/2022]
Abstract
The success of peripheral nerve regeneration is governed by the rate and quality of axon bridging and myelination that occurs across the damaged region. Neurite growth and the migration of Schwann cells is regulated by neurotrophic factors produced as the nerve regenerates, and these processes can be enhanced by mesenchymal stem cells (MSCs), which also produce neurotrophic factors and other factors that improve functional tissue regeneration. Our laboratory has recently identified a population of mesenchymal progenitor cells (MPCs) that can be harvested from traumatized muscle tissue debrided and collected during orthopaedic reconstructive surgery. The objective of this study was to determine whether the traumatized muscle-derived MPCs exhibit neurotrophic function equivalent to that of bone marrow-derived MSCs. Similar gene- and protein-level expression of specific neurotrophic factors was observed for both cell types, and we localized neurogenic intracellular cell markers (brain-derived neurotrophic factor and nestin) to a subpopulation of both MPCs and MSCs. Furthermore, we demonstrated that the MPC-secreted factors were sufficient to enhance in vitro axon growth and cell migration in a chick embryonic dorsal root ganglia (DRG) model. Finally, DRGs in co-culture with the MPCs appeared to increase their neurotrophic function via soluble factor communication. Our findings suggest that the neurotrophic function of traumatized muscle-derived MPCs is substantially equivalent to that of the well-characterized population of bone marrow-derived MPCs, and suggest that the MPCs may be further developed as a cellular therapy to promote peripheral nerve regeneration.
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Affiliation(s)
- Wesley M Jackson
- Cartilage Biology and Orthopaedics Branch, National Institute of Arthritis, and Musculoskeletal and Skin Diseases, National Institutes of Health, Department of Health and Human Services, Bethesda, MD, USA
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Luo H, Zhang Y, Zhang Z, Jin Y. The protection of MSCs from apoptosis in nerve regeneration by TGFβ1 through reducing inflammation and promoting VEGF-dependent angiogenesis. Biomaterials 2012; 33:4277-87. [PMID: 22425554 DOI: 10.1016/j.biomaterials.2012.02.042] [Citation(s) in RCA: 51] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2011] [Accepted: 02/24/2012] [Indexed: 01/01/2023]
Abstract
Our previous report demonstrated that autologous adipose-derived mesenchymal stem cells (ADSCs) combined with xenogeneic acellular nerve matrix (XANM) can support the regeneration of defective nerves. Although ADSCs had the potential to replace Schwann cells in engineered-tissue nerves, apoptosis easily obstructed the ability to treat serious nerve injury in the host, such as a >50-mm-long nerve defect. In the present study, we found that, in combination with transforming growth factor β1 (TGFβ1), an ADSCs-XANM graft was sufficient to support the regeneration of a 50-mm sciatic nerve defect, which was not achieved using an ADSCs-XANM graft alone. Based on this finding, we further investigated how TGFβ1 coordinated with ADSCs to enhance nerve regeneration. In vitro, cell culture experiments demonstrated that TGFβ1 did not have a direct effect on ADSC proliferation, apoptosis, the cell cycle, or neural differentiation. The expression of VEGF, however, was significantly increased in ADSCs cultured with TGFβ1. In vivo, fluorescence labeling experiments demonstrated that the survival of transplanted ADSCs inoculated with XANM-TGFβ1 was higher than with XANM. Further study showed that TGFβ1 was capable of impairing the host immune response that was trigged by transplanted XANM. Additionally, we discovered that XANM-ADSCs in immunodeficient mice had apoptosis rates similar to XANM-ADSCs-TGFβ1 over a short time course (7 days). Once we blocked VEGF with a neutralizing antibody, the protective effect of TGFβ1 was impaired over a long time course (28 days). These results suggested that TGFβ1 was capable of enhancing the regenerative capacity of an XANM-ADSCs graft, mainly by protecting transplanted ADSCs from apoptosis. This effect was achieved in part through decreasing inflammation and promoting VEGF-dependent angiogenesis.
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Affiliation(s)
- Hailang Luo
- Engineering Technology Center for Tissue Engineering of Xi'an, Shaanxi 710032, China
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Sheu ML, Cheng FC, Su HL, Chen YJ, Chen CJ, Chiang CM, Chiu WT, Sheehan J, Pan HC. Recruitment by SDF-1α of CD34-positive cells involved in sciatic nerve regeneration. J Neurosurg 2012; 116:432-44. [DOI: 10.3171/2011.3.jns101582] [Citation(s) in RCA: 16] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/13/2023]
Abstract
Object
Increased integration of CD34+ cells in injured nerve significantly promotes nerve regeneration, but this effect can be counteracted by limited migration and short survival of CD34+ cells. SDF-1α and its receptor mediate the recruitment of CD34+ cells involved in the repair mechanism of several neurological diseases. In this study, the authors investigate the potentiation of CD34+ cell recruitment triggered by SDF-1α and the involvement of CD34+ cells in peripheral nerve regeneration.
Methods
Peripheral nerve injury was induced in 147 Sprague-Dawley rats by crushing the left sciatic nerve with a vessel clamp. The animals were allocated to 3 groups: Group 1, crush injury (controls); Group 2, crush injury and local application of SDF-1α recombinant proteins; and Group 3, crush injury and local application of SDF-1α antibody. Electrophysiological studies and assessment of regeneration markers were conducted at 4 weeks after injury; neurobehavioral studies were conducted at 1, 2, 3, and 4 weeks after injury. The expression of SDF-1α, accumulation of CD34+ cells, immune cells, and angiogenesis factors in injured nerves were evaluated at 1, 3, 7, 10, 14, 21, and 28 days after injury.
Results
Application of SDF-1α increased the migration of CD34+ cells in vitro, and this effect was dose dependent. Crush injury induced the expression of SDF-1α, with a peak of 10–14 days postinjury, and this increased expression of SDF-1α paralleled the deposition of CD34+ cells, expression of VEGF, and expression of neurofilament. These effects were further enhanced by the administration of SDF-1α recombinant protein and abolished by administration of SDF-1α antibody. Furthermore, these effects were consistent with improvement in measures of neurological function such as sciatic function index, electrophysiological parameters, muscle weight, and myelination of regenerative nerve.
Conclusions
Expression of SDF-1α facilitates recruitment of CD34+ cells in peripheral nerve injury. The increased deposition of CD34+ cells paralleled significant expression of angiogenesis factors and was consistent with improvement of neurological function. Utilization of SDF-1α for enhancing the recruitment of CD34+ cells involved in peripheral nerve regeneration may be considered as an alternative treatment strategy in peripheral nerve disorders.
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Affiliation(s)
| | - Fu-Chou Cheng
- 4Stem Cell Center, Taichung Veterans General Hospital, Taichung
- 6Education and Medical Research, and
| | - Hong-Lin Su
- 2Life Sciences, National Chung-Hsing University
| | - Ying-Ju Chen
- 4Stem Cell Center, Taichung Veterans General Hospital, Taichung
| | | | | | - Wen-Ta Chiu
- 7Department of Neurosurgery, Taipei Medical University–Shuang Ho Hospital, Taipei Medical University, Taipei, Taiwan; and
| | - Jason Sheehan
- 8Department of Neurosurgery, University of Virginia Health System, Charlottesville, Virginia
| | - Hung-Chuan Pan
- 1Institutes of Biomedical Sciences and
- 3Departments of Neurosurgery,
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Sowa Y, Imura T, Numajiri T, Nishino K, Fushiki S. Adipose-derived stem cells produce factors enhancing peripheral nerve regeneration: influence of age and anatomic site of origin. Stem Cells Dev 2012; 21:1852-62. [PMID: 22150084 DOI: 10.1089/scd.2011.0403] [Citation(s) in RCA: 79] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2022] Open
Abstract
Adipose-derived stem cells (ADSCs) are attracting increased attention as a novel source in regenerative medicine. Transplantation of ADSCs promotes functional recovery in animal models of peripheral nerve injury, but the mechanism of enhanced nerve regeneration remains to be elucidated. In addition, it is important to examine whether the supportive functions of ADSCs are dependent on donor age or anatomic site of origin. In this study, we examined the effects of factors produced by mouse ADSCs on Schwann cells (SCs) and dorsal root ganglion (DRG) neurons in vitro and compared these effects among ADSCs from donors of different age and from different anatomic regions. ADSC-derived soluble factors supported survival and proliferation of SCs and promoted neurite outgrowth in DRG neurons. These beneficial effects were far superior to that of factors from 3T3-L1 cells and comparable to those of SC- and astrocyte (AC)-derived factors. ADSCs from different sources similarly retained their neurotrophic activity. Real-time reverse transcription-polymerase chain reaction and enzyme-linked immunosorbent assay analyses demonstrated that ADSCs produced various growth factors, some of which were more abundant than in SCs and ACs. These results suggest that ADSCs promote peripheral nerve regeneration partly through paracrine secretion of trophic factors and regardless of donor age or anatomic site of origin.
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Affiliation(s)
- Yoshihiro Sowa
- Department of Pathology and Applied Neurobiology, Graduate School of Medical Sciences, Kyoto Prefectural University of Medicine, Kyoto, Japan
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