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Serrenho I, Ferreira SA, Baltazar G. Preconditioning of MSCs for Acute Neurological Conditions: From Cellular to Functional Impact-A Systematic Review. Cells 2024; 13:845. [PMID: 38786067 PMCID: PMC11119364 DOI: 10.3390/cells13100845] [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: 03/05/2024] [Revised: 05/02/2024] [Accepted: 05/14/2024] [Indexed: 05/25/2024] Open
Abstract
This systematic review aims to gather evidence on the mechanisms triggered by diverse preconditioning strategies for mesenchymal stem cells (MSCs) and their impact on their potential to treat ischemic and traumatic injuries affecting the nervous system. The 52 studies included in this review report nine different types of preconditioning, namely, manipulation of oxygen pressure, exposure to chemical substances, lesion mediators or inflammatory factors, usage of ultrasound, magnetic fields or biomechanical forces, and culture in scaffolds or 3D cultures. All these preconditioning strategies were reported to interfere with cellular pathways that influence MSCs' survival and migration, alter MSCs' phenotype, and modulate the secretome and proteome of these cells, among others. The effects on MSCs' phenotype and characteristics influenced MSCs' performance in models of injury, namely by increasing the homing and integration of the cells in the lesioned area and inducing the secretion of growth factors and cytokines. The administration of preconditioned MSCs promoted tissue regeneration, reduced neuroinflammation, and increased angiogenesis and myelinization in rodent models of stroke, traumatic brain injury, and spinal cord injury. These effects were also translated into improved cognitive and motor functions, suggesting an increased therapeutic potential of MSCs after preconditioning. Importantly, none of the studies reported adverse effects or less therapeutic potential with these strategies. Overall, we can conclude that all the preconditioning strategies included in this review can stimulate pathways that relate to the therapeutic effects of MSCs. Thus, it would be interesting to explore whether combining different preconditioning strategies can further boost the reparative effects of MSCs, solving some limitations of MSCs' therapy, namely donor-associated variability.
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Affiliation(s)
- Inês Serrenho
- Centro de Investigação em Ciências da Saúde (CICS-UBI), Universidade da Beira Interior, 6200-506 Covilhã, Portugal; (I.S.); (S.A.F.)
| | - Susana Alves Ferreira
- Centro de Investigação em Ciências da Saúde (CICS-UBI), Universidade da Beira Interior, 6200-506 Covilhã, Portugal; (I.S.); (S.A.F.)
| | - Graça Baltazar
- Faculdade de Ciências da Saúde, Universidade da Beira Interior, 6200-506 Covilhã, Portugal
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2
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Sendera A, Adamczyk-Grochala J, Pikuła B, Cholewa M, Banaś-Ząbczyk A. Electromagnetic field (50 Hz) enhance metabolic potential and induce adaptive/reprogramming response mediated by the increase of N6-methyladenosine RNA methylation in adipose-derived mesenchymal stem cells in vitro. Toxicol In Vitro 2024; 95:105743. [PMID: 38040129 DOI: 10.1016/j.tiv.2023.105743] [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: 04/26/2023] [Revised: 11/08/2023] [Accepted: 11/24/2023] [Indexed: 12/03/2023]
Abstract
BACKGROUND Electromagnetic fields (EMF) have an impact on numerous cellular processes. It can positively and negatively affect adipose-derived stem cells (ASCs) thus their fate through the influence of specific factors and protein secretion. EMF can be a great factor for preconditioning ASCs for regenerative medicine purposes, however, understanding the cell's biological response to its effects in vitro is essential. METHODS ASCs were exposed to the EMF (50 Hz; 1.5 mT) for 24 and 48 h, and then cell biological response was analyzed. RESULTS 24 h exposure of ASCs to EMF, significantly increased N6-methyladenosine (m6A) RNA methylation, indicating epitranscriptomic changes as an important factor in ASCs preconditioning. Furthermore, the expression of stem cell markers such as Nanog, Oct-4, Sox-2, CD44, and CD105 increased after 24 h of EMF exposure. Besides, western blot analysis showed upregulation of p21 and DNMT2/TRDMT1 protein levels compared to control cells with no differences in the p53 profile. Moreover, after 24 h of exposure to EMF, cell membrane flexibility, the metabolic potential of cells as well as the distribution, morphology, and metabolism of mitochondria were altered. CONCLUSION ASCs undergo a process of mobilization and adaptation under the EMF influence through the increased m6A RNA modifications. These conditions may "force" ASCs to redefine their stem cell fate mediated by RNA-modifying enzymes and alter their reprogramming decision of as differentiation begins.
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Affiliation(s)
- Anna Sendera
- Department of Biology, Institute of Medical Sciences, Medical College of Rzeszow University, Rzeszow, Poland
| | - Jagoda Adamczyk-Grochala
- Department of Biotechnology, Institute of Biotechnology, College of Natural Sciences, University of Rzeszow, Rzeszow, Poland
| | - Barbara Pikuła
- Department of Biology, Institute of Medical Sciences, Medical College of Rzeszow University, Rzeszow, Poland
| | - Marian Cholewa
- Institute of Physics, College of Natural Sciences, University of Rzeszow, Rzeszow, Poland
| | - Agnieszka Banaś-Ząbczyk
- Department of Biology, Institute of Medical Sciences, Medical College of Rzeszow University, Rzeszow, Poland.
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3
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Su DB, Zhao ZX, Yin DC, Ye YJ. Promising application of pulsed electromagnetic fields on tissue repair and regeneration. PROGRESS IN BIOPHYSICS AND MOLECULAR BIOLOGY 2024; 187:36-50. [PMID: 38280492 DOI: 10.1016/j.pbiomolbio.2024.01.003] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 12/14/2023] [Accepted: 01/19/2024] [Indexed: 01/29/2024]
Abstract
Tissue repair and regeneration is a vital biological process in organisms, which is influenced by various internal mechanisms and microenvironments. Pulsed electromagnetic fields (PEMFs) are becoming a potential medical technology due to its advantages of effectiveness and non-invasiveness. Numerous studies have demonstrated that PEMFs can stimulate stem cell proliferation and differentiation, regulate inflammatory reactions, accelerate wound healing, which is of great significance for tissue regeneration and repair, providing a solid basis for enlarging its clinical application. However, some important issues such as optimal parameter system and potential deep mechanisms remain to be resolved due to PEMFs window effect and biological complexity. Thus, it is of great importance to comprehensively summarizing and analyzing the literature related to the biological effects of PEMFs in tissue regeneration and repair. This review expounded the biological effects of PEMFs on stem cells, inflammation response, wound healing and musculoskeletal disorders in order to improve the application value of PEMFs in medicine. It is believed that with the continuous exploration of biological effects of PEMFs, it will be applied increasingly widely to tissue repair and other diseases.
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Affiliation(s)
- Dan-Bo Su
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Zi-Xu Zhao
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Da-Chuan Yin
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, 710072, China
| | - Ya-Jing Ye
- Key Laboratory for Space Bioscience and Biotechnology, School of Life Sciences, Northwestern Polytechnical University, Xi'an, 710072, China.
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Lee SY, Kim B, Lee SH, Ju K, Kim SM, Lee JH, Pang K. Biomechanical microenvironmental stimulating effect of pulsed electromagnetic field on the regeneration of crush injured rat sciatic nerve. Biomed Eng Lett 2023; 13:235-243. [PMID: 37124111 PMCID: PMC10130313 DOI: 10.1007/s13534-023-00276-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/27/2023] [Revised: 03/21/2023] [Accepted: 04/03/2023] [Indexed: 05/02/2023] Open
Abstract
This study evaluated the biomechanical microenvironmental stimulating effect of pulsed electromagnetic field (PEMF) on the regeneration of crush-injured rat sciatic nerve, when combined with bone marrow mesenchymal stem cells (BMSCs) and recombinant human nerve growth factor (rhNGF-β), in the form of an adenoviral vector-mediated NGF. Sprague-Dawley rats were equally distributed into six groups; PBS, BMSC, NGF-Ad + BMSC, PEMF + PBS, PEMF + BMSC and PEMF + NGF-Ad + BMSC. The PBS group received PBS (volume: 10μL/rat), the BMSC group with BMSCs (1 × 106 cell/10 μL/rat) and NGF-Ad group with the rhNGF-β Ad infected BMSCs (1 × 106 cell/10 μL/rat) immediate after right sciatic nerve crush injury. The PEMF groups were exposed to PEMF of 1mT, 50 Hz, 1 h/day. The rats were observed for 3 weeks. PEMF alone did not showed the positive effect compared with negative control group. The groups transplanted with BMSCs showed higher axonal regeneration compared with the groups without transplantation of the cells whether BMSC was infected with NGF-Ad or not and whether the animals received PEMF. PEMF + NGF-Ad + BMSC group showed the significantly highest number of axons than the other groups. Functionally, all groups showed marked improvement at 3 weeks postoperatively although the difference was not statistically significant among the groups. PEMF showed the positive effect when combined with BMSC and NGF-ad in aspect of number of axons. Therefore, combining the microenvironment stimulation methods of PEMF and conventional methods such as transplantation of stem cells and growth factor could be considered for the regeneration methods in the nerve damage.
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Affiliation(s)
- Sang-Yoon Lee
- Dental Research Institute, Department of Oral and Maxillofacial Surgery, Seoul National University School of Dentistry, Seoul, Republic of Korea
| | - Bongju Kim
- Dental Life Science Research Institute, Innovation Research and Support Center for Dental Science, Seoul National University Dental Hospital, Seoul, Republic of Korea
| | - Sung-Ho Lee
- Dental Life Science Research Institute, Innovation Research and Support Center for Dental Science, Seoul National University Dental Hospital, Seoul, Republic of Korea
| | - Kyungwon Ju
- Dental Life Science Research Institute, Innovation Research and Support Center for Dental Science, Seoul National University Dental Hospital, Seoul, Republic of Korea
| | - Soung-Min Kim
- Department of Oral and Maxillofacial Surgery, Seoul National University School of Dentistry, Seoul, Republic of Korea
| | - Jong-Ho Lee
- Dental Life Science Research Institute, Innovation Research and Support Center for Dental Science, Seoul National University Dental Hospital, Seoul, Republic of Korea
- Oral Oncology Clinic, National Cancer Center, Il-San, Goyang-si, Republic of Korea
| | - KangMi Pang
- Department of Oral and Maxillofacial Surgery, Seoul National University Gwanak Dental Hospital, 1, Gwanak-Ro, Gwanak-Gu, Seoul, 08826 Republic of Korea
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5
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Rahimi S, Ahrabi M, Samiei M, Roshangar L, Ahrabi B, Hashemi B, Shahi S, Rahimi Darehchi N. The Effect of Low-Frequency Pulsed Electromagnetic Fields on the Differentiation of Permanent Dental Pulp Stem Cells into Odontoblasts. IRANIAN ENDODONTIC JOURNAL 2023; 18:218-223. [PMID: 37829830 PMCID: PMC10565999 DOI: 10.22037/iej.v18i4.39349] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 04/10/2023] [Revised: 07/02/2023] [Accepted: 07/10/2023] [Indexed: 10/14/2023]
Abstract
Introduction Exposure to pulsed electromagnetic field (PEMF) has been revealed to affect the differentiation and proliferation of human mesenchymal stem cells derived from dental pulp multipotent stromal stem cells (DP-MSCs). This study aimed to investigate the differentiation effect of electromagnetic fields (EMFs) on the DP-MSC. Materials and Methods PEMF was produced by a system comprising a multi-meter autotransformer, solenoid coils, and teslameter. This study included 10 groups of DP-MSCs which underwent different electromagnetic radiation time and beam intensity. Three samples tested for each group. The effect of PEMF with the intensity of 0.5 and 1 mT (mili Tesla) and 50 Hz on the proliferation rate of DP-MSC was evaluated at 20 and 40 minutes per day for seven days. MTT assay was applied to determine the growth and proliferation of DP-MSC. Gene expression of DMP1 for differentiation of DPSCs to odontoblasts was confirmed by Real Time PCR., ANOVA statistical analysis and Kruskal-Wallis test were used to analyze the data. Results The survival in all exposure groups was significantly higher than that in control except in the group of 40 minutes, 1 mT (P<0.05). In 20 minutes, 0.5 mT exposure, the survival intensity is significantly more than others (P<0.05). In general, the intensity of survival was recorded, 20, 0.5 mT≥20, 1 mT≥40, 0.5 mT≥40, 1 mT respectively. Therefore, according to the obtained results, ELF-EMF increases the survival of cells except for one case (40 minutes, 1 mT), even though the effective underlying mechanisms in this process are still unclear. Conclusions The results obtained promise that in the future, by placing an important part of the pulp next to the electromagnetic field, the lost part of the pulp can be reconstructed and the dentin barrier can be created.
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Affiliation(s)
- Saeed Rahimi
- Dental and Periodontal Research Center, Endodontics Department, Tabriz Dental School, Tabriz University of Medical Sciences;
| | - Mahnaz Ahrabi
- Endodontics Department, Tabriz Dental School, Tabriz University of Medical Sciences, Iran;
| | - Mohammad Samiei
- Dental and Periodontal Research Center, Endodontics Department, Tabriz Dental School, Tabriz University of Medical Sciences;
| | - Leila Roshangar
- Stem Cell Research Center, Tabriz University of Medical Sciences, Iran;
| | - Behnaz Ahrabi
- Laser Application in Medical Sciences Research Center, Shahid Beheshti University of Medical Sciences, Tehran, Iran;
| | - Behnam Hashemi
- Stem Cell Research Center, Tabriz University of Medical Sciences, Iran;
| | - Shahriar Shahi
- Dental and Periodontal Research Center, Endodontics Department, Tabriz Dental School, Tabriz University of Medical Sciences;
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Isaković J, Šerer K, Barišić B, Mitrečić D. Mesenchymal stem cell therapy for neurological disorders: The light or the dark side of the force? Front Bioeng Biotechnol 2023; 11:1139359. [PMID: 36926687 PMCID: PMC10011535 DOI: 10.3389/fbioe.2023.1139359] [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: 01/06/2023] [Accepted: 02/13/2023] [Indexed: 03/08/2023] Open
Abstract
Neurological disorders are recognized as major causes of death and disability worldwide. Because of this, they represent one of the largest public health challenges. With awareness of the massive burden associated with these disorders, came the recognition that treatment options were disproportionately scarce and, oftentimes, ineffective. To address these problems, modern research is increasingly looking into novel, more effective methods to treat neurological patients; one of which is cell-based therapies. In this review, we present a critical analysis of the features, challenges, and prospects of one of the stem cell types that can be employed to treat numerous neurological disorders-mesenchymal stem cells (MSCs). Despite the fact that several studies have already established the safety of MSC-based treatment approaches, there are still some reservations within the field regarding their immunocompatibility, heterogeneity, stemness stability, and a range of adverse effects-one of which is their tumor-promoting ability. We additionally examine MSCs' mechanisms of action with respect to in vitro and in vivo research as well as detail the findings of past and ongoing clinical trials for Parkinson's and Alzheimer's disease, ischemic stroke, glioblastoma multiforme, and multiple sclerosis. Finally, this review discusses prospects for MSC-based therapeutics in the form of biomaterials, as well as the use of electromagnetic fields to enhance MSCs' proliferation and differentiation into neuronal cells.
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Affiliation(s)
- Jasmina Isaković
- Omnion Research International, Zagreb, Croatia.,Department of Histology and Embryology, University of Zagreb School of Medicine, Zagreb, Croatia
| | - Klara Šerer
- University of Zagreb School of Medicine, Zagreb, Croatia
| | - Barbara Barišić
- University of Zagreb School of Dental Medicine, Zagreb, Croatia
| | - Dinko Mitrečić
- Department of Histology and Embryology, University of Zagreb School of Medicine, Zagreb, Croatia.,Laboratory for Stem Cells, Croatian Institute for Brain Research, University of Zagreb School of Medicine, Zagreb, Croatia
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7
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Safavi AS, Sendera A, Haghighipour N, Banas-Zabczyk A. The Role of Low-Frequency Electromagnetic Fields on Mesenchymal Stem Cells Differentiation: A Systematic Review. Tissue Eng Regen Med 2022; 19:1147-1160. [PMID: 36042129 PMCID: PMC9679119 DOI: 10.1007/s13770-022-00473-1] [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: 03/24/2022] [Revised: 06/09/2022] [Accepted: 06/19/2022] [Indexed: 11/27/2022] Open
Abstract
BACKGROUND Low-frequency electromagnetic fields (EMFs) influence biological processes. This present study was aimed at the scientific literature on the use of EMFs in the mesenchymal stem cell differentiation process. MATERIALS AND METHODS The electronic search was carried out in PubMed and Web of Science, a database with a combination of the sinusoidal and pulsed low- and extremely low-frequency electromagnetic fields stimulation and mesenchymal stem cells differentiation, considering the period of publication until December 2021. The literature search identified 118 references in PubMed and Web of Science of which 46 articles were selected, respectively, according to the eligibility requirements. CONCLUSION The analysis of research indicated that EMFs are an easy-to-apply and practical way in cell therapy and tissue engineering when regulation of stem cells is required. Studies have shown that EMFs have positive effects on stem cell differentiation, accelerating its process regardless of the parameters and type of stem cells. However, the exact amplitude, frequency, duration of the electrical field, and application method remain elusive and need more study in future work.
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Affiliation(s)
- Atiyeh Sadat Safavi
- National Cell Bank of Iran, Pasteur Institute of Iran, Tehran, Iran
- Department of Biomaterials and Tissue Engineering, School of Advanced Technologies in Medicine, Isfahan University of Medical Sciences, Isfahan, Iran
| | - Anna Sendera
- Department of Biology, Institute of Medical Sciences, Medical College of Rzeszow University, University of Rzeszów, Rzeszow, Poland
| | | | - Agnieszka Banas-Zabczyk
- Department of Biology, Institute of Medical Sciences, Medical College of Rzeszow University, University of Rzeszów, Rzeszow, Poland.
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8
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Mabrouk M, Ismail E, Beherei H, Abo-Elfadl MT, Salem ZA, Das DB, AbuBakr N. Biocompatibility of hydroxyethyl cellulose/glycine/RuO 2 composite scaffolds for neural-like cells. Int J Biol Macromol 2022; 209:2097-2108. [PMID: 35504415 DOI: 10.1016/j.ijbiomac.2022.04.190] [Citation(s) in RCA: 6] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2022] [Revised: 04/19/2022] [Accepted: 04/25/2022] [Indexed: 11/24/2022]
Abstract
Fabrication of scaffolds for nerve regeneration is one of the most challenging topics in regenerative medicine at the moment, which is also interlinked with the development of biocompatible substrates for cells growth. This work is targeted towards the development of green biomaterial composite scaffolds for nerve cell culture applications. Hybrid scaffolds of hydroxyethyl cellulose/glycine (HEC/Gly) composite doped with different concentrations of green ruthenium oxide (RuO2) were synthesized and characterized via a combination of different techniques. X-rays diffraction (XRD) and differential scanning calorimetry (DSC) analyses showed a crystalline nature for all the samples with noticeable decrease in the peak intensity of the fabricated scaffolds as compared to that for pure glycine. Fourier transform infrared spectroscopy (FTIR) tests revealed an increase in the vibrational bands of the synthesized RuO2 containing scaffolds which are related to the functional groups of the natural plant extract (Aspalathuslinearis) used for RuO2 nanoparticles (NPs) synthesis. Scanning electron microscopy (SEM) results revealed a 3D porous structure of the scaffolds with variant features attributed to the concentration of RuO2 NPs in the scaffold. The compressive test results recorded an enhancement in mechanical properties of the fabricated scaffolds (up to 8.55 MPa), proportionally correlated to increasing the RuO2 NPs concentration in HEC/Gly composite scaffold. Our biocompatibility tests revealed that the composite scaffolds doped with 1 and 2 ml of RuO2 demonstrated the highest proliferation percentages (152.2 and 135.6%) compared to control. Finally, the SEM analyses confirmed the impressive cells attachments and differentiation onto the scaffold surfaces as evidenced by the presence of many neuron-like cells with apparent cell bodies and possessing few short neurite-like processes. The presence of RuO2 and glycine was due to their extraordinary biocompatibility due to their cytoprotective and regenerative effects. Therefore, we conclude that these scaffolds are promising for accommodation and growth of neural-like cells.
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Affiliation(s)
- Mostafa Mabrouk
- Refractories, Ceramics and Building Materials Department, Advanced Materials, Technology and Mineral Resources Research Institute, National Research Centre, 33El Bohouth St. (former EL Tahrir St.), Dokki, Giza, P.O.12622, Egypt.
| | - Enas Ismail
- Department of Restorative Dentistry, Faculty of Dentistry, University of the Western Cape, Cape Town 7505, South Africa; Physics Department, Faculty of Science (Girl's branch), Al Azhar University, Nasr City, Cairo, Egypt
| | - Hanan Beherei
- Refractories, Ceramics and Building Materials Department, Advanced Materials, Technology and Mineral Resources Research Institute, National Research Centre, 33El Bohouth St. (former EL Tahrir St.), Dokki, Giza, P.O.12622, Egypt.
| | - Mahmoud T Abo-Elfadl
- Cancer Biology and Genetics Laboratory, Centre of Excellence for Advanced Sciences, National Research Centre, 33 El-Buhouth Street, Dokki, Giza 12622, Egypt; Biochemistry Department, National Research Centre, Dokki, Giza, Egypt
| | - Zeinab A Salem
- Oral Biology Department, Faculty of Dentistry, Cairo University, Cairo, Egypt; Faculty of Oral and Dental Medicine, Ahram Canadian University, Cairo, Egypt
| | - Diganta B Das
- Department of Chemical Engineering, Loughborough University, Loughborough LE113TU, Leicestershire, UK
| | - Nermeen AbuBakr
- Oral Biology Department, Faculty of Dentistry, Cairo University, Cairo, Egypt; Stem Cells and Tissue Engineering Unit, Faculty of Dentistry, Cairo University, Cairo, Egypt
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Hamid HA, Sarmadi VH, Prasad V, Ramasamy R, Miskon A. Electromagnetic field exposure as a plausible approach to enhance the proliferation and differentiation of mesenchymal stem cells in clinically relevant scenarios. J Zhejiang Univ Sci B 2022; 23:42-57. [PMID: 35029087 PMCID: PMC8758935 DOI: 10.1631/jzus.b2100443] [Citation(s) in RCA: 12] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Mesenchymal stem/stromal cell (MSC)-based therapy has been regarded as one of the most revolutionary breakthroughs in the history of modern medicine owing to its myriad of immunoregulatory and regenerative properties. With the rapid progress in the fields of osteo- and musculoskeletal therapies, the demand for MSC-based treatment modalities is becoming increasingly prominent. In this endeavor, researchers around the world have devised new and innovative techniques to support the proliferation of MSCs while minimizing the loss of hallmark features of stem cells. One such example is electromagnetic field (EMF) exposure, which is an alternative approach with promising potential. In this review, we present a critical discourse on the efficiency, practicability, and limitations of some of the relevant methods, with insurmountable evidence backing the implementation of EMF as a feasible strategy for the clinically relevant expansion of MSCs.
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Affiliation(s)
- Haslinda Abdul Hamid
- Bio-artificial Organ and Regenerative Medicine Unit, National Defense University of Malaysia, Kuala Lumpur 57000, Malaysia
| | - Vahid Hosseinpour Sarmadi
- Cellular and Molecular Research Centre, Iran University of Medical Sciences, Tehran 144961 4535, Iran.,Institutes of Regenerative Medicine, Iran University of Medical Sciences, Tehran 199671 4353, Iran
| | - Vivek Prasad
- Stem Cell and Immunity Research Group, Immunology Laboratory, Department of Pathology, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia (UPM), Selangor 43400, Malaysia
| | - Rajesh Ramasamy
- Stem Cell and Immunity Research Group, Immunology Laboratory, Department of Pathology, Faculty of Medicine and Health Sciences, Universiti Putra Malaysia (UPM), Selangor 43400, Malaysia
| | - Azizi Miskon
- Bio-artificial Organ and Regenerative Medicine Unit, National Defense University of Malaysia, Kuala Lumpur 57000, Malaysia.
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Evaluation of Pulsed Electromagnetic Field Effects: A Systematic Review and Meta-Analysis on Highlights of Two Decades of Research In Vitro Studies. BIOMED RESEARCH INTERNATIONAL 2021; 2021:6647497. [PMID: 34368353 PMCID: PMC8342182 DOI: 10.1155/2021/6647497] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/04/2020] [Revised: 05/30/2021] [Accepted: 06/27/2021] [Indexed: 12/13/2022]
Abstract
Pulsed electromagnetic field (PEMF) therapy is a type of physical stimulation that affects biological systems by producing interfering or coherent fields. Given that cell types are significantly distinct, which represents an important factor in stimulation, and that PEMFs can have different effects in terms of frequency and intensity, time of exposure, and waveform. This study is aimed at investigating if distinct positive and negative responses would correspond to specific characteristics of cells, frequency and flux density, time of exposure, and waveform. Necessary data were abstracted from the experimental observations of cell-based in vitro models. The observations were obtained from 92 publications between the years 1999 and 2019, which are available on PubMed and Web of Science databases. From each of the included studies, type of cells, pulse frequency of exposure, exposure flux density, and assayed cell responses were extracted. According to the obtained data, most of the experiments were carried out on human cells, and out of 2421 human cell experiments, cell changes were observed only in 51.05% of the data. In addition, the results pointed out the potential effects of PEMFs on some human cell types such as MG-63 human osteosarcoma cells (p value < 0.001) and bone marrow mesenchymal stem cells. However, human osteogenic sarcoma SaOS-2 (p < 0.001) and human adipose-derived mesenchymal stem cells (AD-MSCs) showed less sensitivity to PEMFs. Nevertheless, the evidence suggests that frequencies higher than 100 Hz, flux densities between 1 and 10 mT, and chronic exposure more than 10 days would be more effective in establishing a cellular response. This study successfully reported useful information about the role of cell type and signal characteristic parameters, which were of high importance for targeted therapies using PEMFs. Our findings would provide a deeper understanding about the effect of PEMFs in vitro, which could be useful as a reference for many in vivo experiments or preclinical trials.
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Li B, Wang X. Photobiomodulation enhances facial nerve regeneration via activation of PI3K/Akt signaling pathway-mediated antioxidant response. Lasers Med Sci 2021; 37:993-1006. [PMID: 34302577 PMCID: PMC8918185 DOI: 10.1007/s10103-021-03344-8] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2020] [Accepted: 05/16/2021] [Indexed: 12/14/2022]
Abstract
Facial nerve dysfunction is a common clinical condition that leads to disfigurement and emotional distress in the affected individuals. This study aimed to evaluate whether photobiomodulation can enhance regeneration of crushed facial nerves and attempt to investigate the possible underlying mechanism of neuroprotective function and therapeutic target. Various parameters of photobiomodulation were assigned to the facial nerves and Schwann cells (SCs) separately during crushed injury in rats. Axonal regeneration, functional outcomes, and SC apoptosis, proliferation, and underlying mechanisms of action were evaluated by morphological, histopathological, and functional assessments, flow cytometry, western blotting, real-time PCR, and IncuCyte. The results showed that photobiomodulation improved axonal regeneration and functional recovery, and also promoted proliferation, and inhibited apoptosis of SCs, both of these were considered as the most effective parameters in 250mW group. In addition, the neuroprotective effects of photobiomodulation (500mW) were likely associated with oxidative stress-induced SC apoptosis via activation of the PI3K/Akt signaling pathway. Our results revealed that photobiomodulation significantly promoted axonal regeneration, functional recovery, and regeneration of the facial nucleus, and its mechanism was related to the up-regulation of the PI3K/Akt signaling pathway. These findings provide clear experimental evidence of photobiomodulation as an alternative therapeutic strategy for peripheral nerve damage.
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Affiliation(s)
- Bohan Li
- Department of Stomatology, Peking University Third Hospital, No. 49 North Garden Road, Haidian District, Beijing, 100191, China.
| | - Xiao Wang
- Department of Stomatology, Peking University Third Hospital, No. 49 North Garden Road, Haidian District, Beijing, 100191, China
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Wan Q, Qin W, Ma Y, Shen M, Li J, Zhang Z, Chen J, Tay FR, Niu L, Jiao K. Crosstalk between Bone and Nerves within Bone. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2021; 8:2003390. [PMID: 33854888 PMCID: PMC8025013 DOI: 10.1002/advs.202003390] [Citation(s) in RCA: 71] [Impact Index Per Article: 23.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 09/04/2020] [Revised: 10/29/2020] [Indexed: 05/11/2023]
Abstract
For the past two decades, the function of intrabony nerves on bone has been a subject of intense research, while the function of bone on intrabony nerves is still hidden in the corner. In the present review, the possible crosstalk between bone and intrabony peripheral nerves will be comprehensively analyzed. Peripheral nerves participate in bone development and repair via a host of signals generated through the secretion of neurotransmitters, neuropeptides, axon guidance factors and neurotrophins, with additional contribution from nerve-resident cells. In return, bone contributes to this microenvironmental rendezvous by housing the nerves within its internal milieu to provide mechanical support and a protective shelf. A large ensemble of chemical, mechanical, and electrical cues works in harmony with bone marrow stromal cells in the regulation of intrabony nerves. The crosstalk between bone and nerves is not limited to the physiological state, but also involved in various bone diseases including osteoporosis, osteoarthritis, heterotopic ossification, psychological stress-related bone abnormalities, and bone related tumors. This crosstalk may be harnessed in the design of tissue engineering scaffolds for repair of bone defects or be targeted for treatment of diseases related to bone and peripheral nerves.
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Affiliation(s)
- Qian‐Qian Wan
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical UniversityXi'anShaanxi710032China
| | - Wen‐Pin Qin
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical UniversityXi'anShaanxi710032China
| | - Yu‐Xuan Ma
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical UniversityXi'anShaanxi710032China
| | - Min‐Juan Shen
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical UniversityXi'anShaanxi710032China
| | - Jing Li
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical UniversityXi'anShaanxi710032China
| | - Zi‐Bin Zhang
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical UniversityXi'anShaanxi710032China
| | - Ji‐Hua Chen
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical UniversityXi'anShaanxi710032China
| | - Franklin R. Tay
- College of Graduate StudiesAugusta UniversityAugustaGA30912USA
| | - Li‐Na Niu
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical UniversityXi'anShaanxi710032China
| | - Kai Jiao
- State Key Laboratory of Military Stomatology and National Clinical Research Center for Oral Diseases and Shaanxi Key Laboratory of StomatologyDepartment of ProsthodonticsSchool of StomatologyThe Fourth Military Medical UniversityXi'anShaanxi710032China
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13
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Li G, Peng H, Qian S, Zou X, Du Y, Wang Z, Zou L, Feng Z, Zhang J, Zhu Y, Liang H, Li B. Bone Marrow-Derived Mesenchymal Stem Cells Restored High-Fat-Fed Induced Hyperinsulinemia in Rats at Early Stage of Type 2 Diabetes Mellitus. Cell Transplant 2021; 29:963689720904628. [PMID: 32228047 PMCID: PMC7502689 DOI: 10.1177/0963689720904628] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022] Open
Abstract
Numerous studies have proposed the transplantation of mesenchymal stem cells
(MSCs) in the treatment of typical type 2 diabetes mellitus (T2DM). We aimed to
find a new strategy with MSC therapy at an early stage of T2DM to efficiently
prevent the progressive deterioration of organic dysfunction. Using the
high-fat-fed hyperinsulinemia rat model, we found that before the onset of
typical T2DM, bone marrow-derived MSCs (BM-MSCs) significantly attenuated rising
insulin with decline in glucose as well as restored lipometabolic disorder and
liver dysfunction. BM-MSCs also favored the histological structure recovery and
proliferative capacity of pancreatic islet cells. More importantly, BM-MSC
administration successfully reversed the abnormal expression of insulin
resistance-related proteins including GLUT4, phosphorylated insulin receptor
substrate 1, and protein kinase Akt and proinflammatory cytokines IL-6 and TNFα
in liver. These findings suggested that MSCs transplantation during
hyperinsulinemia could prevent most potential risks of T2DM for patients.
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Affiliation(s)
- Gongchi Li
- Department of Hand Surgery, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan, China
| | - Han Peng
- Department of Dermatology, Feinberg School of Medicine, Northwestern University, Chicago, IL, USA
| | - Shen Qian
- School of Foreign Studies of Zhongnan University of Economics and Law, Wuhan, China
| | - Xinhua Zou
- Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei Chronic Wound and Diabetic Foot Clinical Research Center, Wuhan, China
| | - Ye Du
- Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei Chronic Wound and Diabetic Foot Clinical Research Center, Wuhan, China
| | - Zhi Wang
- Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei Chronic Wound and Diabetic Foot Clinical Research Center, Wuhan, China
| | - Lijun Zou
- Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei Chronic Wound and Diabetic Foot Clinical Research Center, Wuhan, China
| | - Zibo Feng
- Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei Chronic Wound and Diabetic Foot Clinical Research Center, Wuhan, China
| | - Jing Zhang
- Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei Chronic Wound and Diabetic Foot Clinical Research Center, Wuhan, China
| | - Youpeng Zhu
- Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei Chronic Wound and Diabetic Foot Clinical Research Center, Wuhan, China
| | - Huamin Liang
- Department of Physiology, Hubei Key Laboratory of Drug Target Research and Pharmacodynamic Evaluation, School of Basic Medicine, Huazhong University of Science and Technology, Wuhan, China.,Institute of Brain Research, Huazhong University of Science and Technology, Wuhan, China
| | - Binghui Li
- Liyuan Hospital, Tongji Medical College, Huazhong University of Science and Technology, Hubei Chronic Wound and Diabetic Foot Clinical Research Center, Wuhan, China
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14
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Hu H, Yang W, Zeng Q, Chen W, Zhu Y, Liu W, Wang S, Wang B, Shao Z, Zhang Y. Promising application of Pulsed Electromagnetic Fields (PEMFs) in musculoskeletal disorders. Biomed Pharmacother 2020; 131:110767. [PMID: 33152929 DOI: 10.1016/j.biopha.2020.110767] [Citation(s) in RCA: 21] [Impact Index Per Article: 5.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/02/2020] [Revised: 09/06/2020] [Accepted: 09/17/2020] [Indexed: 12/13/2022] Open
Abstract
Increasing evidence suggests that an exogenous electromagnetic field might be involved in many biologic processes which are of great importance for therapeutic interventions. Pulsed electromagnetic fields (PEMFs) are known to be a noninvasive, safe and effective therapy agent without apparent side effects. Numerous studies have shown that PEMFs possess the potential to become a stand-alone or adjunctive treatment modality for treating musculoskeletal disorders. However, several issues remain unresolved. Prior to their widely clinical application, further researches from well-designed, high-quality studies are still required to standardize the treatment parameters and derive the optimal protocol for health-care decision making. In this review, we aim to provide current evidence on the mechanism of action, clinical applications, and controversies of PEMFs in musculoskeletal disorders.
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Affiliation(s)
- Hongzhi Hu
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; Department of Orthopaedic Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, 050051, China.
| | - Wenbo Yang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.
| | - Qianwen Zeng
- Department of Pediatrics, Tongji Hospital of Tongji Medical College of Huazhong University of Science and Technology, Wuhan 430030, China.
| | - Wei Chen
- Department of Orthopaedic Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, 050051, China
| | - YanBin Zhu
- Department of Orthopaedic Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, 050051, China
| | - Weijian Liu
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Shangyu Wang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China
| | - Baichuan Wang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.
| | - Zengwu Shao
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China.
| | - Yingze Zhang
- Department of Orthopaedics, Union Hospital, Tongji Medical College, Huazhong University of Science and Technology, Wuhan 430022, China; Department of Orthopaedic Surgery, The Third Hospital of Hebei Medical University, Shijiazhuang, 050051, China.
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15
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Zhao J, Ding Y, He R, Huang K, Liu L, Jiang C, Liu Z, Wang Y, Yan X, Cao F, Huang X, Peng Y, Ren R, He Y, Cui T, Zhang Q, Zhang X, Liu Q, Li Y, Ma Z, Yi X. Dose-effect relationship and molecular mechanism by which BMSC-derived exosomes promote peripheral nerve regeneration after crush injury. Stem Cell Res Ther 2020; 11:360. [PMID: 32811548 PMCID: PMC7437056 DOI: 10.1186/s13287-020-01872-8] [Citation(s) in RCA: 39] [Impact Index Per Article: 9.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2020] [Revised: 07/28/2020] [Accepted: 08/03/2020] [Indexed: 12/13/2022] Open
Abstract
Background The development of new treatment strategies to improve peripheral nerve repair after injury, especially those that accelerate axonal nerve regeneration, is very important. The aim of this study is to elucidate the molecular mechanisms of how bone marrow stromal cell (BMSC)-derived exosomes (EXOs) participate in peripheral nerve regeneration and whether the regenerative effect of EXOs is correlated with dose. Method BMSCs were transfected with or without an siRNA targeting Ago2 (SiAgo2). EXOs extracted from the BMSCs were administered to dorsal root ganglion (DRG) neurons in vitro. After 48 h of culture, the neurite length was measured. Moreover, EXOs at four different doses were injected into the gastrocnemius muscles of rats with sciatic nerve crush injury. The sciatic nerve functional index (SFI) and latency of thermal pain (LTP) of the hind leg sciatic nerve were measured before the operation and at 7, 14, 21, and 28 days after the operation. Then, the number and diameter of the regenerated fibers in the injured distal sciatic nerve were quantified. Seven genes associated with nerve regeneration were investigated by qRT-PCR in DRG neurons extracted from rats 7 days after the sciatic nerve crush. Results We showed that after 48 h of culture, the mean number of neurites and the length of cultured DRG neurons in the SiAgo2-BMSC-EXO and SiAgo2-BMSC groups were smaller than that in the untreated and siRNA control groups. The average number and diameter of regenerated axons, LTP, and SFI in the group with 0.9 × 1010 particles/ml EXOs were better than those in other groups, while the group that received a minimum EXO dose (0.4 × 1010 particles/ml) was not significantly different from the PBS group. The expression of PMP22, VEGFA, NGFr, and S100b in DRGs from the EXO-treated group was significantly higher than that in the PBS control group. No significant difference was observed in the expression of HGF and Akt1 among the groups. Conclusions These results showed that BMSC-derived EXOs can promote the regeneration of peripheral nerves and that the mechanism may involve miRNA-mediated regulation of regeneration-related genes, such as VEGFA. Finally, a dose-effect relationship between EXO treatment and nerve regeneration was shown.
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Affiliation(s)
- Jiuhong Zhao
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Haikou, China.,Department of Anatomy, Hainan Medical University, Haikou, China
| | - Yali Ding
- School of Medicine, Tibet University, Lhasa, China
| | - Rui He
- Department of Anatomy, Hainan Medical University, Haikou, China.,Northwest Institute of Plateau Biology, Chinese Academy of Sciences, Xining, China
| | - Kui Huang
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Haikou, China
| | - Lu Liu
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Haikou, China
| | - Chaona Jiang
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Haikou, China
| | - Zhuozhou Liu
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Haikou, China
| | - Yuanlan Wang
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Haikou, China
| | - Xiaokai Yan
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Haikou, China
| | - Fuyang Cao
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Haikou, China
| | - Xueying Huang
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Haikou, China
| | - Yanan Peng
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Haikou, China.,Department of Anatomy, Hainan Medical University, Haikou, China
| | - Rui Ren
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Haikou, China.,Department of Anatomy, Hainan Medical University, Haikou, China
| | - Yuebin He
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Haikou, China.,Department of Anatomy, Hainan Medical University, Haikou, China
| | - Tianwei Cui
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Haikou, China.,Department of Anatomy, Hainan Medical University, Haikou, China
| | - Quanpeng Zhang
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Haikou, China.,Department of Anatomy, Hainan Medical University, Haikou, China
| | - Xianfang Zhang
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Haikou, China.,Department of Anatomy, Hainan Medical University, Haikou, China
| | - Qibing Liu
- Department of Anatomy, Hainan Medical University, Haikou, China
| | - Yunqing Li
- Department of Anatomy, Hainan Medical University, Haikou, China
| | - Zhijian Ma
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Haikou, China. .,Department of Anatomy, Hainan Medical University, Haikou, China.
| | - Xinan Yi
- Key Laboratory of Brain Science Research & Transformation in Tropical Environment of Hainan Province, Hainan Medical University, Haikou, China. .,Department of Anatomy, Hainan Medical University, Haikou, China.
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16
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Pinton G, Ferraro A, Balma M, Moro L. Specific low-frequency electromagnetic fields induce expression of active KDM6B associated with functional changes in U937 cells. Electromagn Biol Med 2020; 39:139-153. [PMID: 32151171 DOI: 10.1080/15368378.2020.1737807] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 10/24/2022]
Abstract
In this study, we investigated the effects of specific low-frequency electromagnetic field sequences on U937 cells, an in vitro model of human monocyte/macrophage differentiation. U937 cells were exposed to electromagnetic stimulation by means of the SynthéXer system using two similar sequences, XR-BC31 and XR-BC31/F. Each sequence was a time series of 29 wave segments, equal to a total duration of 77 min. Here, we report that exposure (4 d, once a day) of U937 cells to the XR-BC31 setting, but not to the XR-BC31/F, resulted in increased expression of the histone demethylase KDM6B along with a global reduction in histone H3 lysine 27 tri-methylation (H3K27me3). Furthermore, exposure to the XR-BC31 sequence induced differentiation of U937 cells towards a macrophage-like phenotype displaying a KDM6B dependent increase in expression and secretion of the anti-inflammatory interleukins (ILs), IL-10 and IL-4. Importantly, all the observed changes were highly dependent on the nature of the sequence. Our results open a new way of interpretation for the effects of low-frequency electromagnetic fields observed in vivo. Indeed, it is conceivable that a specific low-frequency electromagnetic fields treatment may cause the reprogramming of H3K27me3 and cell differentiation.
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Affiliation(s)
- Giulia Pinton
- Department of Pharmaceutical Sciences, University of Piemonte Orientale, Novara, Italy
| | - Angelo Ferraro
- School of Electrical and Computer Engineering, National Technical University of Athens, Athens, Greece
| | | | - Laura Moro
- Department of Pharmaceutical Sciences, University of Piemonte Orientale, Novara, Italy
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17
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Lin QM, Tang XH, Lin SR, Chen BD, Chen F. Bone marrow-derived mesenchymal stem cell transplantation attenuates overexpression of inflammatory mediators in rat brain after cardiopulmonary resuscitation. Neural Regen Res 2020; 15:324-331. [PMID: 31552906 PMCID: PMC6905325 DOI: 10.4103/1673-5374.265563] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022] Open
Abstract
Emerging evidence suggests that bone marrow-derived mesenchymal stem cell transplantation improves neurological function after cardiac arrest and cardiopulmonary resuscitation; however, the precise mechanisms remain unclear. This study aimed to investigate the effect of bone marrow-derived mesenchymal stem cell treatment on expression profiles of multiple cytokines in the brain after cardiac arrest and cardiopulmonary resuscitation. Cardiac arrest was induced in rats by asphyxia and cardiopulmonary resuscitation was initiated 6 minutes after cardiac arrest. One hour after successful cardiopulmonary resuscitation, rats were injected with either phosphate-buffered saline (control) or 1 × 106 bone marrow-derived mesenchymal stem cells via the tail vein. Serum S100B levels were measured by enzyme-linked immunosorbent assay and neurological deficit scores were evaluated to assess brain damage at 3 days after cardiopulmonary resuscitation. Serum S100B levels were remarkably decreased and neurological deficit scores were obviously improved in the mesenchymal stem cell group compared with the phosphate-buffered saline group. Brains were isolated from the rats and expression levels of 90 proteins were determined using a RayBio Rat Antibody Array, to investigate the cytokine profiles. Brain levels of the inflammatory mediators tumor necrosis factor-α, interferon-γ, macrophage inflammatory protein-1α, macrophage inflammatory protein-2, macrophage inflammatory protein-3α, macrophage-derived chemokine, and matrix metalloproteinase-2 were decreased ≥ 1.5-fold, while levels of the anti-inflammatory factor interleukin-10 were increased ≥ 1.5-fold in the mesenchymal stem cell group compared with the control group. Donor mesenchymal stem cells were detected by immunofluorescence to determine their distribution in the damaged brain, and were primarily observed in the cerebral cortex. These results indicate that bone marrow-derived mesenchymal stem cell transplantation attenuates brain damage induced by cardiac arrest and cardiopulmonary resuscitation, possibly via regulation of inflammatory mediators. This experimental protocol was approved by the Institutional Animal Care and Use Committee of Fujian Medical University, China in January 2016 (approval No. 2016079).
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Affiliation(s)
- Qing-Ming Lin
- Institute of Fujian Emergency Medicine, Clinical College of Fujian Medical University; Department of Emergency, Fujian Provincial Hospital, Fujian Provincial Emergency Center, Fuzhou, Fujian Province, China
| | - Xia-Hong Tang
- Institute of Fujian Emergency Medicine, Clinical College of Fujian Medical University; Department of Emergency, Fujian Provincial Hospital, Fujian Provincial Emergency Center, Fuzhou, Fujian Province, China
| | - Shi-Rong Lin
- Institute of Fujian Emergency Medicine, Clinical College of Fujian Medical University; Department of Emergency, Fujian Provincial Hospital, Fujian Provincial Emergency Center, Fuzhou, Fujian Province, China
| | - Ben-Dun Chen
- Institute of Fujian Emergency Medicine, Clinical College of Fujian Medical University; Department of Emergency, Fujian Provincial Hospital, Fujian Provincial Emergency Center, Fuzhou, Fujian Province, China
| | - Feng Chen
- Institute of Fujian Emergency Medicine, Clinical College of Fujian Medical University; Department of Emergency, Fujian Provincial Hospital, Fujian Provincial Emergency Center, Fuzhou, Fujian Province, China
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18
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Gholami D, Riazi G, Fathi R, Sharafi M, Shahverdi A. Comparison of polymerization and structural behavior of microtubules in rat brain and sperm affected by the extremely low-frequency electromagnetic field. BMC Mol Cell Biol 2019; 20:41. [PMID: 31464580 PMCID: PMC6716927 DOI: 10.1186/s12860-019-0224-1] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/25/2019] [Accepted: 08/19/2019] [Indexed: 12/03/2022] Open
Abstract
Background Microtubule proteins are able to produce electromagnetic fields and have an important role in memory formation, and learning. Therefore, microtubules have the potential to be affected by exogenous electromagnetic fields. This study aimed to examine the comparison of microtubule polymerization and its structural behavior in brain and sperm affected by 50 Hz extremely low-frequency electromagnetic field (ELEF). Results Twenties adult male rats were randomly and equally divided into control and experimental groups, to evaluate the effect of 50 Hz ELEF on the sperm and brain functions. Plus-maze, serum testosterone and corticosterone, and sperm evaluation were performed. Next, the semen and brain samples were obtained, and they were divided into four experimental groups for investigation of microtubule polymerization. There was no significant difference in testosterone and, corticosterone levels, anxiety behaviors, and sperm morphology between control and ELEF-exposure groups. The sperm viability, total and progressive motility were significantly higher in the ELEF-exposed group than that of the control group. The microtubule polymerization in sperm ELEF was significantly higher than in other groups. The secondary and tertiary structures of tubulins were significantly affected in the brain, and sperm ELEF groups. Conclusion It seems that the polymerization of microtubules and conformational changes of tubulin dimers are improved by ELEF application.
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Affiliation(s)
- Dariush Gholami
- Institute of Biochemistry and Biophysics (IBB), University of Tehran, Tehran, Iran.,Department of Embryology at Reproduction Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACER, Tehran, Iran
| | - Gholamhossein Riazi
- Institute of Biochemistry and Biophysics (IBB), University of Tehran, Tehran, Iran
| | - Rouhollah Fathi
- Department of Embryology at Reproduction Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACER, Tehran, Iran
| | - Mohsen Sharafi
- Department of Embryology at Reproduction Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACER, Tehran, Iran. .,Department of Poultry Sciences, Faculty of Agriculture, Tarbiat Modares University, Tehran, Iran.
| | - Abdolhossein Shahverdi
- Department of Embryology at Reproduction Biomedicine Research Center, Royan Institute for Reproductive Biomedicine, ACER, Tehran, Iran. .,Reproductive Epidemiology Research Center, Royan Institute for Reproductive Biomedicine, ACECR, Tehran, Iran.
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19
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Wei ZJ, Fan BY, Liu Y, Ding H, Tang HS, Pan DY, Shi JX, Zheng PY, Shi HY, Wu H, Li A, Feng SQ. MicroRNA changes of bone marrow-derived mesenchymal stem cells differentiated into neuronal-like cells by Schwann cell-conditioned medium. Neural Regen Res 2019; 14:1462-1469. [PMID: 30964074 PMCID: PMC6524508 DOI: 10.4103/1673-5374.253532] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Bone marrow-derived mesenchymal stem cells differentiate into neurons under the induction of Schwann cells. However, key microRNAs and related pathways for differentiation remain unclear. This study screened and identified differentially expressed microRNAs in bone marrow-derived mesenchymal stem cells induced by Schwann cell-conditioned medium, and explored targets and related pathways involved in their differentiation into neuronal-like cells. Primary bone marrow-derived mesenchymal stem cells were isolated from femoral and tibial bones, while primary Schwann cells were isolated from bilateral saphenous nerves. Bone marrow-derived mesenchymal stem cells were cultured in unconditioned (control group) and Schwann cell-conditioned medium (bone marrow-derived mesenchymal stem cell + Schwann cell group). Neuronal differentiation of bone marrow-derived mesenchymal stem cells induced by Schwann cell-conditioned medium was observed by time-lapse imaging. Upon induction, the morphology of bone marrow-derived mesenchymal stem cells changed into a neural shape with neurites. Results of quantitative reverse transcription-polymerase chain reaction revealed that nestin mRNA expression was upregulated from 1 to 3 days and downregulated from 3 to 7 days in the bone marrow-derived mesenchymal stem cell + Schwann cell group. Compared with the control group, microtubule-associated protein 2 mRNA expression gradually increased from 1 to 7 days in the bone marrow-derived mesenchymal stem cell + Schwann cell group. After 7 days of induction, microRNA analysis identified 83 significantly differentially expressed microRNAs between the two groups. Gene Ontology analysis indicated enrichment of microRNA target genes for neuronal projection development, regulation of axonogenesis, and positive regulation of cell proliferation. Kyoto Encyclopedia of Genes and Genomes pathway analysis demonstrated that Hippo, Wnt, transforming growth factor-beta, and Hedgehog signaling pathways were potentially associated with neural differentiation of bone marrow-derived mesenchymal stem cells. This study, which carried out successful microRNA analysis of neuronal-like cells differentiated from bone marrow-derived mesenchymal stem cells by Schwann cell induction, revealed key microRNAs and pathways involved in neural differentiation of bone marrow-derived mesenchymal stem cells. All protocols were approved by the Animal Ethics Committee of Institute of Radiation Medicine, Chinese Academy of Medical Sciences on March 12, 2017 (approval number: DWLI-20170311).
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Affiliation(s)
- Zhi-Jian Wei
- Department of Orthopedics, Tianjin Medical University General Hospital, Tianjin, China
| | - Bao-You Fan
- Department of Orthopedics, Tianjin Medical University General Hospital, Tianjin, China
| | - Yang Liu
- Department of Orthopedics, Tianjin Medical University General Hospital, Tianjin, China
| | - Han Ding
- Department of Orthopedics, Tianjin Medical University General Hospital, Tianjin, China
| | - Hao-Shuai Tang
- Department of Orthopedics, Tianjin Medical University General Hospital, Tianjin, China
| | - Da-Yu Pan
- Department of Orthopedics, Tianjin Medical University General Hospital, Tianjin, China
| | - Jia-Xiao Shi
- Department of Orthopedics, Tianjin Medical University General Hospital, Tianjin, China
| | - Peng-Yuan Zheng
- Department of Orthopedics, Tianjin Medical University General Hospital, Tianjin, China
| | - Hong-Yu Shi
- Department of Orthopedics, Tianjin Medical University General Hospital, Tianjin, China
| | - Heng Wu
- Tianjin Key Laboratory of Lung Cancer Metastasis and Tumor Microenvironment, Tianjin Lung Cancer Institute, Tianjin Medical University General Hospital, Tianjin, China
| | - Ang Li
- Department of Orthopedics, Henan Provincial People's Hospital, Zhengzhou, Henan Province, China
| | - Shi-Qing Feng
- Department of Orthopedics, Tianjin Medical University General Hospital, Tianjin, China
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20
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Zhang PX, Han N, Kou YH, Zhu QT, Liu XL, Quan DP, Chen JG, Jiang BG. Tissue engineering for the repair of peripheral nerve injury. Neural Regen Res 2019; 14:51-58. [PMID: 30531070 PMCID: PMC6263012 DOI: 10.4103/1673-5374.243701] [Citation(s) in RCA: 45] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022] Open
Abstract
Peripheral nerve injury is a common clinical problem and affects the quality of life of patients. Traditional restoration methods are not satisfactory. Researchers increasingly focus on the field of tissue engineering. The three key points in establishing a tissue engineering material are the biological scaffold material, the seed cells and various growth factors. Understanding the type of nerve injury, the construction of scaffold and the process of repair are necessary to solve peripheral nerve injury and promote its regeneration. This review describes the categories of peripheral nerve injury, fundamental research of peripheral nervous tissue engineering and clinical research on peripheral nerve scaffold material, and paves a way for related research and the use of conduits in clinical practice.
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Affiliation(s)
| | - Na Han
- Peking University People's Hospital, Beijing, China
| | - Yu-Hui Kou
- Peking University People's Hospital, Beijing, China
| | - Qing-Tang Zhu
- The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Xiao-Lin Liu
- The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Da-Ping Quan
- The First Affiliated Hospital of Sun Yat-sen University, Guangzhou, Guangdong Province, China
| | - Jian-Guo Chen
- School of Life Science, Peking University, Beijing, China
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In Vitro Neural Differentiation of Bone Marrow Mesenchymal Stem Cells Carrying the FTH1 Reporter Gene and Detection with MRI. BIOMED RESEARCH INTERNATIONAL 2018; 2018:1978602. [PMID: 30046590 PMCID: PMC6038692 DOI: 10.1155/2018/1978602] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 03/25/2018] [Revised: 05/24/2018] [Accepted: 05/31/2018] [Indexed: 01/15/2023]
Abstract
Magnetic resonance imaging (MRI) based on the ferritin heavy chain 1 (FTH1) reporter gene has been used to trace stem cells. However, whether FTH1 expression is affected by stem cell differentiation or whether cell differentiation is affected by reporter gene expression remains unclear. Here, we explore the relationship between FTH1 expression and neural differentiation in the differentiation of mesenchymal stem cells (MSCs) carrying FTH1 into neuron-like cells and investigate the feasibility of using FTH1 as an MRI reporter gene to detect neurally differentiated cells. By inducing cell differentiation with all-trans retinoic acid and a modified neuronal medium, MSCs and MSCs-FTH1 were successfully differentiated into neuron-like cells (Neurons and Neurons-FTH1), and the neural differentiation rates were (91.56±7.89)% and (92.23±7.64)%, respectively. Neuron-specific markers, including nestin, neuron-specific enolase, and microtubule-associated protein-2, were significantly expressed in Neurons-FTH1 and Neurons without noticeable differences. On the other hand, FTH1 was significantly expressed in MSCs-FTH1 and Neurons-FTH1 cells, and the expression levels were not significantly different. The R2 value was significantly increased in MSCs-FTH1 and Neurons-FTH1 cells, which was consistent with the findings of Prussian blue staining, transmission electron microscopy, and intracellular iron measurements. These results suggest that FTH1 gene expression did not affect MSC differentiation into neurons and was not affected by neural differentiation. Thus, MRI reporter gene imaging based on FTH1 can be used for the detection of neurally differentiated cells from MSCs.
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