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Koolath S, Murai Y, Suzuki T, Swamy MMM, Usuki S, Monde K. Stereochemistry of Sphingolipids in Ganglioside GM3 Enhances Recovery of Nervous Functionality. ACS Med Chem Lett 2023; 14:1237-1241. [PMID: 37736188 PMCID: PMC10510522 DOI: 10.1021/acsmedchemlett.3c00252] [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: 06/07/2023] [Accepted: 08/02/2023] [Indexed: 09/23/2023] Open
Abstract
GM3 is a simple monosialylated ganglioside (NeuAcα(2-3)Galβ(1-4)Glcβ1-1'-ceramide). Its aberrant expression in adipocytes is involved in a variety of physiological and pathological processes in diabetes mellitus and obesity. GM3 is exposed on the outer surface of cell membranes and is strongly associated with type 2 diabetes and insulin resistance. Exogenously added GM3 promotes neurite outgrowth in a variety of different neuroblastoma cell lines. Neurite outgrowth is a key process in the development of functional neuronal circuits and neuro-regeneration following nerve injury. Therefore, regulating GM3 levels in nerve tissues might be a potential treatment method for these disorders. Here, we demonstrate the comprehensive synthesis of stereoisomeric GM3s and compare their physicochemical properties with those of natural GM3 and diastereomers of sphingolipids in GM3 to examine the enhancement of biological activity. l-erythro-GM3 was confirmed to increase neurite outgrowth, providing valuable insights for potential neuro-regenerative treatments.
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Affiliation(s)
- Sajeer Koolath
- Graduate
School of Life Science, Hokkaido University, Kita 21, Nishi 11, Sapporo 001-0021, Japan
| | - Yuta Murai
- Graduate
School of Life Science, Hokkaido University, Kita 21, Nishi 11, Sapporo 001-0021, Japan
- Faculty
of Advanced Life Science, Hokkaido University, Kita 21, Nishi 11, Sapporo 001-0021, Japan
- Division
of Applied Bioscience, Graduate School of Agriculture, Hokkaido University, Kita 9, Nishi 9, Sapporo 060-8589, Japan
| | - Tomoya Suzuki
- Graduate
School of Life Science, Hokkaido University, Kita 21, Nishi 11, Sapporo 001-0021, Japan
| | - Mahadeva M. M. Swamy
- Graduate
School of Life Science, Hokkaido University, Kita 21, Nishi 11, Sapporo 001-0021, Japan
- Faculty
of Advanced Life Science, Hokkaido University, Kita 21, Nishi 11, Sapporo 001-0021, Japan
| | - Seigo Usuki
- Lipid
Biofunction Section, Frontier Research Center for Advanced Material
and Life Science, Faculty of Advanced Life Science, Hokkaido University, Kita 21, Nishi 11, Sapporo 001-0021, Japan
| | - Kenji Monde
- Graduate
School of Life Science, Hokkaido University, Kita 21, Nishi 11, Sapporo 001-0021, Japan
- Faculty
of Advanced Life Science, Hokkaido University, Kita 21, Nishi 11, Sapporo 001-0021, Japan
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2
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Hoque MA, Mahmood N, Ali KM, Sefat E, Huang Y, Petersen E, Harrington S, Fang X, Gluck JM. Development of a Pneumatic-Driven Fiber-Shaped Robot Scaffold for Use as a Complex 3D Dynamic Culture System. Biomimetics (Basel) 2023; 8:biomimetics8020170. [PMID: 37092422 PMCID: PMC10123682 DOI: 10.3390/biomimetics8020170] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2023] [Revised: 04/15/2023] [Accepted: 04/17/2023] [Indexed: 04/25/2023] Open
Abstract
Cells can sense and respond to different kinds of continuous mechanical strain in the human body. Mechanical stimulation needs to be included within the in vitro culture system to better mimic the existing complexity of in vivo biological systems. Existing commercial dynamic culture systems are generally two-dimensional (2D) which fail to mimic the three-dimensional (3D) native microenvironment. In this study, a pneumatically driven fiber robot has been developed as a platform for 3D dynamic cell culture. The fiber robot can generate tunable contractions upon stimulation. The surface of the fiber robot is formed by a braiding structure, which provides promising surface contact and adequate space for cell culture. An in-house dynamic stimulation using the fiber robot was set up to maintain NIH3T3 cells in a controlled environment. The biocompatibility of the developed dynamic culture systems was analyzed using LIVE/DEAD™ and alamarBlue™ assays. The results showed that the dynamic culture system was able to support cell proliferation with minimal cytotoxicity similar to static cultures. However, we observed a decrease in cell viability in the case of a high strain rate in dynamic cultures. Differences in cell arrangement and proliferation were observed between braided sleeves made of different materials (nylon and ultra-high molecular weight polyethylene). In summary, a simple and cost-effective 3D dynamic culture system has been proposed, which can be easily implemented to study complex biological phenomena in vitro.
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Affiliation(s)
- Muh Amdadul Hoque
- Department of Textile Engineering, Chemistry and Science, Wilson College of Textiles, North Carolina State University, Raleigh, NC 27606, USA
| | - Nasif Mahmood
- Department of Textile Engineering, Chemistry and Science, Wilson College of Textiles, North Carolina State University, Raleigh, NC 27606, USA
| | - Kiran M Ali
- Department of Textile Engineering, Chemistry and Science, Wilson College of Textiles, North Carolina State University, Raleigh, NC 27606, USA
| | - Eelya Sefat
- Department of Textile Engineering, Chemistry and Science, Wilson College of Textiles, North Carolina State University, Raleigh, NC 27606, USA
| | - Yihan Huang
- Department of Textile Engineering, Chemistry and Science, Wilson College of Textiles, North Carolina State University, Raleigh, NC 27606, USA
| | - Emily Petersen
- Department of Textile Engineering, Chemistry and Science, Wilson College of Textiles, North Carolina State University, Raleigh, NC 27606, USA
| | - Shane Harrington
- Department of Textile Engineering, Chemistry and Science, Wilson College of Textiles, North Carolina State University, Raleigh, NC 27606, USA
| | - Xiaomeng Fang
- Department of Textile Engineering, Chemistry and Science, Wilson College of Textiles, North Carolina State University, Raleigh, NC 27606, USA
| | - Jessica M Gluck
- Department of Textile Engineering, Chemistry and Science, Wilson College of Textiles, North Carolina State University, Raleigh, NC 27606, USA
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3
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Luo YR, Kudo TA, Tominami K, Izumi S, Tanaka T, Hayashi Y, Noguchi T, Matsuzawa A, Nakai J, Hong G, Wang H. SP600125 Enhances Temperature-Controlled Repeated Thermal Stimulation-Induced Neurite Outgrowth in PC12-P1F1 Cells. Int J Mol Sci 2022; 23:ijms232415602. [PMID: 36555248 PMCID: PMC9779509 DOI: 10.3390/ijms232415602] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2022] [Revised: 12/05/2022] [Accepted: 12/07/2022] [Indexed: 12/14/2022] Open
Abstract
This study evaluated the mechanism of temperature-controlled repeated thermal stimulation (TRTS)-mediated neuronal differentiation. We assessed the effect of SP600125, a c-Jun N-terminal kinase (JNK) inhibitor, on neuronal differentiation of rat PC12-P1F1 cells, which can differentiate into neuron-like cells by exposure to TRTS or neurotrophic factors, including bone morphogenetic protein (BMP) 4. We evaluated neuritogenesis by incubating the cells under conditions of TRTS and/or SP600125. Cotreatment with SP600125 significantly enhanced TRTS-mediated neuritogenesis, whereas that with other selective mitogen-activated protein kinase (MAPK) inhibitors did not-e.g., extracellular signal-regulated kinase (ERK)1/2 inhibitor U0126, and p38 MAPK inhibitor SB203580. We tried to clarify the mechanism of SP600125 action by testing the effect of U0126 and the BMP receptor inhibitor LDN193189 on the SP600125-mediated enhancement of intracellular signaling. SP600125-enhanced TRTS-induced neuritogenesis was significantly inhibited by U0126 or LDN193189. Gene expression analysis revealed that TRTS significantly increased β3-Tubulin, MKK3, and Smad7 gene expressions. Additionally, Smad6 and Smad7 gene expressions were substantially attenuated through SP600125 co-treatment during TRTS. Therefore, SP600125 may partly enhance TRTS-induced neuritogenesis by attenuating the negative feedback loop of BMP signaling. Further investigation of the mechanisms underlying the effect of SP600125 during TRTS-mediated neuritogenesis may contribute to the future development of regenerative neuromedicine.
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Affiliation(s)
- You-Ran Luo
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
- Division for Globalization Initiative, Tohoku University Graduate School of Dentistry, Sendai 980-8575, Japan
| | - Tada-aki Kudo
- Division of Oral Physiology, Tohoku University Graduate School of Dentistry, Sendai 980-8575, Japan
- Correspondence: ; Tel.: +81-22-717-8293
| | - Kanako Tominami
- Division of Oral Physiology, Tohoku University Graduate School of Dentistry, Sendai 980-8575, Japan
| | - Satoshi Izumi
- Division of Oral Physiology, Tohoku University Graduate School of Dentistry, Sendai 980-8575, Japan
| | - Takakuni Tanaka
- Division for Globalization Initiative, Tohoku University Graduate School of Dentistry, Sendai 980-8575, Japan
| | - Yohei Hayashi
- Cell Resource Center for Biomedical Research, Institute of Development, Aging and Cancer, Tohoku University, Sendai 980-8575, Japan
- Graduate School of Life Sciences, Tohoku University, Sendai 980-8577, Japan
| | - Takuya Noguchi
- Laboratory of Health Chemistry, Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai 980-8578, Japan
| | - Atsushi Matsuzawa
- Laboratory of Health Chemistry, Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai 980-8578, Japan
| | - Junichi Nakai
- Division of Oral Physiology, Tohoku University Graduate School of Dentistry, Sendai 980-8575, Japan
| | - Guang Hong
- Division for Globalization Initiative, Tohoku University Graduate School of Dentistry, Sendai 980-8575, Japan
| | - Hang Wang
- State Key Laboratory of Oral Diseases, National Clinical Research Center for Oral Diseases, West China Hospital of Stomatology, Sichuan University, Chengdu 610041, China
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4
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Liu M, An Z, Zhang Y, Xiao Y, Xu J, Zhao Z, Huang C, Wang A, Zhou G, Li P, Fan Y. Mechanical Stretch Promotes Neurite Outgrowth of Primary Cultured Dorsal Root Ganglion Neurons via Suppression of Semaphorin 3A-Neuropilin-1/Plexin-A1 Signaling. ACS Chem Neurosci 2022; 13:3416-3426. [PMID: 36413805 DOI: 10.1021/acschemneuro.2c00432] [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: 11/23/2022] Open
Abstract
Significant attempts have been made to promote neuronal extension and migration in nerve development and regeneration. Although mechanical stretch induces persistent elongation of the axon, the underlying molecular mechanisms are not yet clear. Some axonal guidance cues secreted in the growth cone that affect the axonal growth could attract or repel axons in neurite connection. As semaphorin 3A (Sema3A) is an important repulsion guidance molecule, inhibition of Sema3A has been postulated to promote neuronal development. In this study, the effects of mechanical stretch on dorsal root ganglion neuronal growth and the underlying mechanisms were investigated by assessing the extension direction, neurite length, cell body size, mitochondrial membrane potential, and the expression of Sema3A and its receptors. Our results showed that cell viability significantly increased at tensile strains of 2.5, 5, and 10% for 4 h, with the most prominent effect at 5% tensile strain. Moreover, neurons migrated closer to the stretching direction at 5% tensile strain (0-12 h), while the neurons of the control group moved in a disorderly manner. Furthermore, Sema3A-Neuropilin-1/Plexin-A1 signaling pathway was found to be suppressed after mechanical stretch at 5% tensile strain for 4 h by immunofluorescence staining, immunoprecipitation, and western blot assay. Finally, a Sema3A-SiRNA (SiRNA = small interfering RNA) treatment led to remarkable guidance growth in the stretch-grown neurons. Importantly, there was significant decrease of repulsive cue Sema3A expression and remarkable increase of attractive molecule Netrin-1 expression after mechanical stretching treatment, which jointly promoted neurite outgrowth. This study provides a promising new approach for the development of mechanical stretching therapy or guidance factor-related drugs in injured neuronal regeneration.
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Affiliation(s)
- Meili Liu
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China
| | - Zitong An
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China
| | - Yu Zhang
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China
| | - Yuchen Xiao
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China
| | - Junwei Xu
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China
| | - Zhijun Zhao
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China
| | - Chongquan Huang
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China
| | - Anqing Wang
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China
| | - Gang Zhou
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China
| | - Ping Li
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China
| | - Yubo Fan
- Key Laboratory of Biomechanics and Mechanobiology (Beihang University), Ministry of Education, Beijing Advanced Innovation Center for Biomedical Engineering, School of Biological Science and Medical Engineering, Beihang University, Beijing 100083, China.,School of Medical Science and Engineering, Beihang University, Beijing 100083, China
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5
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Rotherham M, Moradi Y, Nahar T, Mosses D, Telling N, El Haj AJ. Magnetic activation of TREK1 triggers stress signalling and regulates neuronal branching in SH-SY5Y cells. FRONTIERS IN MEDICAL TECHNOLOGY 2022; 4:981421. [PMID: 36545473 PMCID: PMC9761330 DOI: 10.3389/fmedt.2022.981421] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2022] [Accepted: 11/16/2022] [Indexed: 12/07/2022] Open
Abstract
TWIK-related K+ 1 (TREK1) is a potassium channel expressed in the nervous system with multiple functions including neurotransmission and is a prime pharmacological target for neurological disorders. TREK1 gating is controlled by a wide range of external stimuli including mechanical forces. Previous work has demonstrated that TREK1 can be mechano-activated using magnetic nanoparticles (MNP) functionalised with antibodies targeted to TREK1 channels. Once the MNP are bound, external dynamic magnetic fields are used to generate forces on the TREK channel. This approach has been shown to drive cell differentiation in cells from multiple tissues. In this work we investigated the effect of MNP-mediated TREK1 mechano-activation on early stress response pathways along with the differentiation and connectivity of neuronal cells using the model neuronal cell line SH-SY5Y. Results showed that TREK1 is well expressed in SH-SY5Y and that TREK1-MNP initiate c-Myc/NF-κB stress response pathways as well as Nitrite production after magnetic stimulation, indicative of the cellular response to mechanical cues. Results also showed that TREK1 mechano-activation had no overall effect on neuronal morphology or expression of the neuronal marker βIII-Tubulin in Retinoic Acid (RA)/Brain-derived Neurotrophic factor (BDNF) differentiated SH-SY5Y but did increase neurite number. These results suggest that TREK1 is involved in cellular stress response signalling in neuronal cells, which leads to increased neurite production, but is not involved in regulating RA/BDNF mediated neuronal differentiation.
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Affiliation(s)
- Michael Rotherham
- Healthcare Technologies Institute, School of Chemical Engineering, University of Birmingham, Heritage Building, Mindelsohn Way, Edgbaston, Birmingham, United Kingdom,School of Pharmacy and Bioengineering, Keele University, Guy Hilton Research Centre, Stoke-on-Trent, United Kingdom,Correspondence: Michael Rotherham
| | - Yasamin Moradi
- School of Pharmacy and Bioengineering, Keele University, Guy Hilton Research Centre, Stoke-on-Trent, United Kingdom
| | - Tasmin Nahar
- School of Pharmacy and Bioengineering, Keele University, Guy Hilton Research Centre, Stoke-on-Trent, United Kingdom
| | - Dominic Mosses
- School of Pharmacy and Bioengineering, Keele University, Guy Hilton Research Centre, Stoke-on-Trent, United Kingdom,Regenerative Medicine and Cellular Therapies, School of Pharmacy, Faculty of Science, University of Nottingham, Nottingham, United Kingdom
| | - Neil Telling
- School of Pharmacy and Bioengineering, Keele University, Guy Hilton Research Centre, Stoke-on-Trent, United Kingdom
| | - Alicia J. El Haj
- Healthcare Technologies Institute, School of Chemical Engineering, University of Birmingham, Heritage Building, Mindelsohn Way, Edgbaston, Birmingham, United Kingdom,School of Pharmacy and Bioengineering, Keele University, Guy Hilton Research Centre, Stoke-on-Trent, United Kingdom
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6
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Carta G, Fornasari BE, Fregnan F, Ronchi G, De Zanet S, Muratori L, Nato G, Fogli M, Gambarotta G, Geuna S, Raimondo S. Neurodynamic Treatment Promotes Mechanical Pain Modulation in Sensory Neurons and Nerve Regeneration in Rats. Biomedicines 2022; 10:biomedicines10061296. [PMID: 35740318 PMCID: PMC9220043 DOI: 10.3390/biomedicines10061296] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/13/2022] [Revised: 05/24/2022] [Accepted: 05/29/2022] [Indexed: 02/04/2023] Open
Abstract
Background: Somatic nerve injuries are a rising problem leading to disability associated with neuropathic pain commonly reported as mechanical allodynia (MA) and hyperalgesia. These symptoms are strongly dependent on specific processes in the dorsal root ganglia (DRG). Neurodynamic treatment (NDT), consisting of selective uniaxial nerve repeated tension protocols, effectively reduces pain and disability in neuropathic pain patients even though the biological mechanisms remain poorly characterized. We aimed to define, both in vivo and ex vivo, how NDT could promote nerve regeneration and modulate some processes in the DRG linked to MA and hyperalgesia. Methods: We examined in Wistar rats, after unilateral median and ulnar nerve crush, the therapeutic effects of NDT and the possible protective effects of NDT administered for 10 days before the injury. We adopted an ex vivo model of DRG organotypic explant subjected to NDT to explore the selective effects on DRG cells. Results: Behavioural tests, morphological and morphometrical analyses, and gene and protein expression analyses were performed, and these tests revealed that NDT promotes nerve regeneration processes, speeds up sensory motor recovery, and modulates mechanical pain by affecting, in the DRG, the expression of TACAN, a mechanosensitive receptor shared between humans and rats responsible for MA and hyperalgesia. The ex vivo experiments have shown that NDT increases neurite regrowth and confirmed the modulation of TACAN. Conclusions: The results obtained in this study on the biological and molecular mechanisms induced by NDT will allow the exploration, in future clinical trials, of its efficacy in different conditions of neuropathic pain.
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Affiliation(s)
- Giacomo Carta
- Department of Clinical and Biological Sciences, University of Torino, 10043 Torino, Italy; (G.C.); (B.E.F.); (G.R.); (S.D.Z.); (L.M.); (G.G.); (S.G.); (S.R.)
- Neuroscience Institute Cavalieri Ottolenghi (NICO), University of Torino, 10043 Torino, Italy; (G.N.); (M.F.)
- Department of Rehabilitation, ASST (Azienda Socio Sanitaria Territoriali) Nord Milano, Sesto San Giovanni Hospital, Sesto San Giovanni, 20099 Milano, Italy
| | - Benedetta Elena Fornasari
- Department of Clinical and Biological Sciences, University of Torino, 10043 Torino, Italy; (G.C.); (B.E.F.); (G.R.); (S.D.Z.); (L.M.); (G.G.); (S.G.); (S.R.)
- Neuroscience Institute Cavalieri Ottolenghi (NICO), University of Torino, 10043 Torino, Italy; (G.N.); (M.F.)
| | - Federica Fregnan
- Department of Clinical and Biological Sciences, University of Torino, 10043 Torino, Italy; (G.C.); (B.E.F.); (G.R.); (S.D.Z.); (L.M.); (G.G.); (S.G.); (S.R.)
- Correspondence: ; Tel.: +39-(0)1-1670-5433; Fax: +39-(0)1-1903-8639
| | - Giulia Ronchi
- Department of Clinical and Biological Sciences, University of Torino, 10043 Torino, Italy; (G.C.); (B.E.F.); (G.R.); (S.D.Z.); (L.M.); (G.G.); (S.G.); (S.R.)
- Neuroscience Institute Cavalieri Ottolenghi (NICO), University of Torino, 10043 Torino, Italy; (G.N.); (M.F.)
| | - Stefano De Zanet
- Department of Clinical and Biological Sciences, University of Torino, 10043 Torino, Italy; (G.C.); (B.E.F.); (G.R.); (S.D.Z.); (L.M.); (G.G.); (S.G.); (S.R.)
| | - Luisa Muratori
- Department of Clinical and Biological Sciences, University of Torino, 10043 Torino, Italy; (G.C.); (B.E.F.); (G.R.); (S.D.Z.); (L.M.); (G.G.); (S.G.); (S.R.)
- Neuroscience Institute Cavalieri Ottolenghi (NICO), University of Torino, 10043 Torino, Italy; (G.N.); (M.F.)
| | - Giulia Nato
- Neuroscience Institute Cavalieri Ottolenghi (NICO), University of Torino, 10043 Torino, Italy; (G.N.); (M.F.)
- Department of Life Sciences and Systems Biology, University of Torino, 10124 Torino, Italy
| | - Marco Fogli
- Neuroscience Institute Cavalieri Ottolenghi (NICO), University of Torino, 10043 Torino, Italy; (G.N.); (M.F.)
- Department of Life Sciences and Systems Biology, University of Torino, 10124 Torino, Italy
| | - Giovanna Gambarotta
- Department of Clinical and Biological Sciences, University of Torino, 10043 Torino, Italy; (G.C.); (B.E.F.); (G.R.); (S.D.Z.); (L.M.); (G.G.); (S.G.); (S.R.)
- Neuroscience Institute Cavalieri Ottolenghi (NICO), University of Torino, 10043 Torino, Italy; (G.N.); (M.F.)
| | - Stefano Geuna
- Department of Clinical and Biological Sciences, University of Torino, 10043 Torino, Italy; (G.C.); (B.E.F.); (G.R.); (S.D.Z.); (L.M.); (G.G.); (S.G.); (S.R.)
- Neuroscience Institute Cavalieri Ottolenghi (NICO), University of Torino, 10043 Torino, Italy; (G.N.); (M.F.)
| | - Stefania Raimondo
- Department of Clinical and Biological Sciences, University of Torino, 10043 Torino, Italy; (G.C.); (B.E.F.); (G.R.); (S.D.Z.); (L.M.); (G.G.); (S.G.); (S.R.)
- Neuroscience Institute Cavalieri Ottolenghi (NICO), University of Torino, 10043 Torino, Italy; (G.N.); (M.F.)
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7
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Lee SM, Lee JE, Lee YK, Yoo DA, Seon DB, Lee DW, Kim CB, Choi H, Lee KH. Thermal-Corrosion-Free Electrode-Integrated Cell Chip for Promotion of Electrically Stimulated Neurite Outgrowth. BIOCHIP JOURNAL 2022. [DOI: 10.1007/s13206-022-00049-0] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
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8
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Abstract
Tensioning techniqueswere the first neurodynamic techniques used therapeutically in the management of people with neuropathies. This article aims to provide a balanced evidence-informed view on the effects of optimal tensile loading on peripheral nerves and the use of tensioning techniques. Whilst the early use of neurodynamics was centered within a mechanical paradigm, research into the working mechanisms of tensioning techniques revealed neuroimmune, neurophysiological, and neurochemical effects. In-vitro and ex-vivo research confirms that tensile loading is required for mechanical adaptation of healthy and healing neurons and nerves. Moreover, elimination of tensile load can have detrimental effects on the nervous system. Beneficial effects of tensile loading and tensioning techniques, contributing to restored homeostasis at the entrapment site, dorsal root ganglia and spinal cord, include neuronal cell differentiation, neurite outgrowth and orientation, increased endogenous opioid receptors, reduced fibrosis and intraneural scar formation, improved nerve regeneration and remyelination, increased muscle power and locomotion, less mechanical and thermal hyperalgesia and allodynia, and improved conditioned pain modulation. However, animal and cellular models also show that ‘excessive’ tensile forces have negative effects on the nervous system. Although robust and designed to withstand mechanical load, the nervous system is equally a delicate system. Mechanical loads that can be easily handled by a healthy nervous system, may be sufficient to aggravate clinical symptoms in patients. This paper aims to contribute to a more balanced view regarding the use of neurodynamics and more specifically tensioning techniques.
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Affiliation(s)
- Richard Ellis
- School of Clinical Sciences, Active Living and Rehabilitation: Aotearoa, Health and Rehabilitation Research Institute, Auckland University of Technology, Auckland, New Zealand.,Department of Physiotherapy, School of Clinical Sciences, Auckland University of Technology, Auckland, New Zealand
| | - Giacomo Carta
- Department of Clinical and Biological Sciences, University of Torino, Orbassano, Italy.,Neuroscience Institute Cavalieri Ottolenghi (Nico), University of Torino, Orbassano, Italy.,ASST Nord Milano, Sesto San Giovanni Hospital, Milan, Italy
| | - Ricardo J Andrade
- Menzies Health Institute Queensland, Griffith University, Brisbane and Gold Coast, Australia.,School of Health Sciences and Social Work, Griffith University, Queensland, USA
| | - Michel W Coppieters
- Menzies Health Institute Queensland, Griffith University, Brisbane and Gold Coast, Australia.,Faculty of Behavioural and Movement Sciences, Amsterdam Movement Sciences, Vrije Universiteit Amsterdam, Amsterdam, The Netherlands
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9
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Carta G, Gambarotta G, Fornasari BE, Muratori L, El Soury M, Geuna S, Raimondo S, Fregnan F. The neurodynamic treatment induces biological changes in sensory and motor neurons in vitro. Sci Rep 2021; 11:13277. [PMID: 34168249 PMCID: PMC8225768 DOI: 10.1038/s41598-021-92682-2] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Accepted: 06/14/2021] [Indexed: 11/08/2022] Open
Abstract
Nerves are subjected to tensile forces in various paradigms such as injury and regeneration, joint movement, and rehabilitation treatments, as in the case of neurodynamic treatment (NDT). The NDT induces selective uniaxial repeated tension on the nerve and was described to be an effective treatment to reduce pain in patients. Nevertheless, the biological mechanisms activated by the NDT promoting the healing processes of the nerve are yet still unknown. Moreover, a dose-response analysis to define a standard protocol of treatment is unavailable. In this study, we aimed to define in vitro whether NDT protocols could induce selective biological effects on sensory and motor neurons, also investigating the possible involved molecular mechanisms taking a role behind this change. The obtained results demonstrate that NDT induced significant dose-dependent changes promoting cell differentiation, neurite outgrowth, and neuron survival, especially in nociceptive neurons. Notably, NDT significantly upregulated PIEZO1 gene expression. A gene that is coding for an ion channel that is expressed both in murine and human sensory neurons and is related to mechanical stimuli transduction and pain suppression. Other genes involved in mechanical allodynia related to neuroinflammation were not modified by NDT. The results of the present study contribute to increase the knowledge behind the biological mechanisms activated in response to NDT and to understand its efficacy in improving nerve regenerational physiological processes and pain reduction.
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Affiliation(s)
- Giacomo Carta
- Department of Clinical and Biological Sciences, University of Torino, Regione Gonzole 10, 10043, Orbassano, Italy
- Neuroscience Institute Cavalieri Ottolenghi (NICO), University of Torino, Regione Gonzole 10, 10043, Orbassano, Italy
- ASST Nord Milano, Sesto San Giovanni Hospital, Milan, Italy
| | - Giovanna Gambarotta
- Department of Clinical and Biological Sciences, University of Torino, Regione Gonzole 10, 10043, Orbassano, Italy
- Neuroscience Institute Cavalieri Ottolenghi (NICO), University of Torino, Regione Gonzole 10, 10043, Orbassano, Italy
| | - Benedetta Elena Fornasari
- Department of Clinical and Biological Sciences, University of Torino, Regione Gonzole 10, 10043, Orbassano, Italy
- Neuroscience Institute Cavalieri Ottolenghi (NICO), University of Torino, Regione Gonzole 10, 10043, Orbassano, Italy
| | - Luisa Muratori
- Department of Clinical and Biological Sciences, University of Torino, Regione Gonzole 10, 10043, Orbassano, Italy
- Neuroscience Institute Cavalieri Ottolenghi (NICO), University of Torino, Regione Gonzole 10, 10043, Orbassano, Italy
| | - Marwa El Soury
- Department of Clinical and Biological Sciences, University of Torino, Regione Gonzole 10, 10043, Orbassano, Italy
- Neuroscience Institute Cavalieri Ottolenghi (NICO), University of Torino, Regione Gonzole 10, 10043, Orbassano, Italy
| | - Stefano Geuna
- Department of Clinical and Biological Sciences, University of Torino, Regione Gonzole 10, 10043, Orbassano, Italy
- Neuroscience Institute Cavalieri Ottolenghi (NICO), University of Torino, Regione Gonzole 10, 10043, Orbassano, Italy
| | - Stefania Raimondo
- Department of Clinical and Biological Sciences, University of Torino, Regione Gonzole 10, 10043, Orbassano, Italy.
- Neuroscience Institute Cavalieri Ottolenghi (NICO), University of Torino, Regione Gonzole 10, 10043, Orbassano, Italy.
| | - Federica Fregnan
- Department of Clinical and Biological Sciences, University of Torino, Regione Gonzole 10, 10043, Orbassano, Italy
- Neuroscience Institute Cavalieri Ottolenghi (NICO), University of Torino, Regione Gonzole 10, 10043, Orbassano, Italy
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10
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Raj V, Jagadish C, Gautam V. Understanding, engineering, and modulating the growth of neural networks: An interdisciplinary approach. BIOPHYSICS REVIEWS 2021; 2:021303. [PMID: 38505122 PMCID: PMC10903502 DOI: 10.1063/5.0043014] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 01/05/2021] [Accepted: 05/25/2021] [Indexed: 03/21/2024]
Abstract
A deeper understanding of the brain and its function remains one of the most significant scientific challenges. It not only is required to find cures for a plethora of brain-related diseases and injuries but also opens up possibilities for achieving technological wonders, such as brain-machine interface and highly energy-efficient computing devices. Central to the brain's function is its basic functioning unit (i.e., the neuron). There has been a tremendous effort to understand the underlying mechanisms of neuronal growth on both biochemical and biophysical levels. In the past decade, this increased understanding has led to the possibility of controlling and modulating neuronal growth in vitro through external chemical and physical methods. We provide a detailed overview of the most fundamental aspects of neuronal growth and discuss how researchers are using interdisciplinary ideas to engineer neuronal networks in vitro. We first discuss the biochemical and biophysical mechanisms of neuronal growth as we stress the fact that the biochemical or biophysical processes during neuronal growth are not independent of each other but, rather, are complementary. Next, we discuss how utilizing these fundamental mechanisms can enable control over neuronal growth for advanced neuroengineering and biomedical applications. At the end of this review, we discuss some of the open questions and our perspectives on the challenges and possibilities related to controlling and engineering the growth of neuronal networks, specifically in relation to the materials, substrates, model systems, modulation techniques, data science, and artificial intelligence.
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Affiliation(s)
- Vidur Raj
- Department of Electronic Materials Engineering, Research School of Physics, The Australian National University, Canberra, Australian Capital Territory 2601, Australia
| | | | - Vini Gautam
- Department of Biomedical Engineering, Faculty of Engineering and Information Technology, The University of Melbourne, Melbourne, Victoria 3010, Australia
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11
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Cheng H, Huang Y, Chen W, Che J, Liu T, Na J, Wang R, Fan Y. Cyclic Strain and Electrical Co-stimulation Improve Neural Differentiation of Marrow-Derived Mesenchymal Stem Cells. Front Cell Dev Biol 2021; 9:624755. [PMID: 34055769 PMCID: PMC8150581 DOI: 10.3389/fcell.2021.624755] [Citation(s) in RCA: 10] [Impact Index Per Article: 3.3] [Reference Citation Analysis] [Abstract] [Key Words] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2020] [Accepted: 03/23/2021] [Indexed: 12/26/2022] Open
Abstract
The current study investigated the combinatorial effect of cyclic strain and electrical stimulation on neural differentiation potential of rat bone marrow-derived mesenchymal stem cells (BMSCs) under epidermal growth factor (EGF) and fibroblast growth factor 2 (FGF2) inductions in vitro. We developed a prototype device which can provide cyclic strain and electrical signal synchronously. Using this system, we demonstrated that cyclic strain and electrical co-stimulation promote the differentiation of BMCSs into neural cells with more branches and longer neurites than strain or electrical stimulation alone. Strain and electrical co-stimulation can also induce a higher expression of neural markers in terms of transcription and protein level. Neurotrophic factors and the intracellular cyclic AMP (cAMP) are also upregulated with co-stimulation. Importantly, the co-stimulation further enhances the calcium influx of neural differentiated BMSCs when responding to acetylcholine and potassium chloride (KCl). Finally, the phosphorylation of extracellular-signal-regulated kinase (ERK) 1 and 2 and protein kinase B (AKT) was elevated under co-stimulation treatment. The present work suggests a synergistic effect of the combination of cyclic strain and electrical stimulation on BMSC neuronal differentiation and provides an alternative approach to physically manipulate stem cell differentiation into mature and functional neural cells in vitro.
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Affiliation(s)
- Hong Cheng
- Beijing Advanced Innovation Center for Biomedical Engineering, Key Laboratory for Biomechanics and Mechanobiology of Chinese Education Ministry, School of Biological Science and Medical Engineering, Beihang University, Beijing, China
| | - Yan Huang
- Beijing Advanced Innovation Center for Biomedical Engineering, Key Laboratory for Biomechanics and Mechanobiology of Chinese Education Ministry, School of Biological Science and Medical Engineering, Beihang University, Beijing, China
| | - Wei Chen
- Beijing Advanced Innovation Center for Biomedical Engineering, Key Laboratory for Biomechanics and Mechanobiology of Chinese Education Ministry, School of Biological Science and Medical Engineering, Beihang University, Beijing, China
| | - Jifei Che
- Beijing Advanced Innovation Center for Biomedical Engineering, Key Laboratory for Biomechanics and Mechanobiology of Chinese Education Ministry, School of Biological Science and Medical Engineering, Beihang University, Beijing, China
| | - Taidong Liu
- Beijing Advanced Innovation Center for Biomedical Engineering, Key Laboratory for Biomechanics and Mechanobiology of Chinese Education Ministry, School of Biological Science and Medical Engineering, Beihang University, Beijing, China
| | - Jing Na
- Beijing Advanced Innovation Center for Biomedical Engineering, Key Laboratory for Biomechanics and Mechanobiology of Chinese Education Ministry, School of Biological Science and Medical Engineering, Beihang University, Beijing, China
| | - Ruojin Wang
- Beijing Advanced Innovation Center for Biomedical Engineering, Key Laboratory for Biomechanics and Mechanobiology of Chinese Education Ministry, School of Biological Science and Medical Engineering, Beihang University, Beijing, China
| | - Yubo Fan
- Beijing Advanced Innovation Center for Biomedical Engineering, Key Laboratory for Biomechanics and Mechanobiology of Chinese Education Ministry, School of Biological Science and Medical Engineering, Beihang University, Beijing, China.,School of Engineering Medicine, Beihang University, Beijing, China
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12
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Mettyas T, Barton M, Sahar MSU, Lawrence F, Sanchez-Herrero A, Shah M, St John J, Bindra R. Negative Pressure Neurogenesis: A Novel Approach to Accelerate Nerve Regeneration after Complete Peripheral Nerve Transection. PLASTIC AND RECONSTRUCTIVE SURGERY-GLOBAL OPEN 2021; 9:e3568. [PMID: 34881144 PMCID: PMC8647885 DOI: 10.1097/gox.0000000000003568] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/14/2021] [Accepted: 02/18/2021] [Indexed: 11/30/2022]
Abstract
Various modalities to facilitate nerve regeneration have been described in the literature with limited success. We hypothesized that negative pressure applied to a sectioned peripheral nerve would enhance nerve regeneration by promoting angiogenesis and axonal lengthening. METHODS Wistar rats' sciatic nerves were cut (creating ~7 mm nerve gap) and placed into a silicone T-tube, to which negative pressure was applied. The rats were divided into 4 groups: control (no pressure), group A (low pressure: 10 mm Hg), group B (medium pressure: 20/30 mm Hg) and group C (high pressure: 50/70 mm Hg). The nerve segments were retrieved after 7 days for gross and histological analysis. RESULTS In total, 22 rats completed the study. The control group showed insignificant nerve growth, whereas the 3 negative pressure groups showed nerve growth and nerve gap reduction. The true nerve growth was highest in group A (median: 3.54 mm) compared to group B, C, and control (medians: 1.19 mm, 1.3 mm, and 0.35 mm); however, only group A was found to be significantly different to the control group (**P < 0.01). Similarly, angiogenesis was observed to be significantly greater in group A (**P < 0.01) in comparison to the control. CONCLUSIONS Negative pressure stimulated nerve lengthening and angiogenesis within an in vivo rat model. Low negative pressure (10 mm Hg) provided superior results over the higher negative pressure groups and the control, favoring axonal growth. Further studies are required with greater number of rats and longer recovery time to assess the functional outcome.
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Affiliation(s)
- Tamer Mettyas
- From the Department of Orthopaedics, Queen Elizabeth II Hospital, Brisbane, Queensland, Australia
- School of Nursing and Midwifery, Griffith University, Australia
| | - Matthew Barton
- School of Nursing and Midwifery, Griffith University, Australia
- Menzies Health Institute Queensland, Griffith University, Australia
- Clem Jones Centre for Neurobiology and Stem Cell Research, Griffith University, Australia
| | - Muhammad Sana Ullah Sahar
- School of Engineering and Built Environment, Griffith University, Australia
- Department of Mechanical Engineering, Khwaja Fareed University of Engineering and information Technology, Rahim Yar Khan, Pakistan
| | - Felicity Lawrence
- Institute of Health and Biomedical Innovation, Queensland University of Technology, Australia
| | | | - Megha Shah
- Menzies Health Institute Queensland, Griffith University, Australia
| | - James St John
- Menzies Health Institute Queensland, Griffith University, Australia
- Clem Jones Centre for Neurobiology and Stem Cell Research, Griffith University, Australia
- Griffith Institute for Drug Discovery, Griffith University, Australia
| | - Randy Bindra
- School of Medicine, Griffith University, Australia
- Department of Orthopaedics, Gold Coast University Hospital, Australia
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13
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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: 66] [Impact Index Per Article: 22.0] [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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14
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Kampanis V, Tolou-Dabbaghian B, Zhou L, Roth W, Puttagunta R. Cyclic Stretch of Either PNS or CNS Located Nerves Can Stimulate Neurite Outgrowth. Cells 2020; 10:cells10010032. [PMID: 33379276 PMCID: PMC7824691 DOI: 10.3390/cells10010032] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/01/2020] [Revised: 12/21/2020] [Accepted: 12/22/2020] [Indexed: 12/15/2022] Open
Abstract
The central nervous system (CNS) does not recover from traumatic axonal injury, but the peripheral nervous system (PNS) does. We hypothesize that this fundamental difference in regenerative capacity may be based upon the absence of stimulatory mechanical forces in the CNS due to the protective rigidity of the vertebral column and skull. We developed a bioreactor to apply low-strain cyclic axonal stretch to adult rat dorsal root ganglia (DRG) connected to either the peripheral or central nerves in an explant model for inducing axonal growth. In response, larger diameter DRG neurons, mechanoreceptors and proprioceptors showed enhanced neurite outgrowth as well as increased Activating Transcription Factor 3 (ATF3).
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Affiliation(s)
- Vasileios Kampanis
- Laboratory for Experimental Neuroregeneration, Spinal Cord Injury Center, Heidelberg University Hospital, 69118 Heidelberg, Germany; (V.K.); (B.T.-D.)
| | - Bahardokht Tolou-Dabbaghian
- Laboratory for Experimental Neuroregeneration, Spinal Cord Injury Center, Heidelberg University Hospital, 69118 Heidelberg, Germany; (V.K.); (B.T.-D.)
| | - Luming Zhou
- Laboratory of NeuroRegeneration and Repair, Hertie Institute for Clinical Brain Research, University of Tübingen, 72076 Tübingen, Germany;
| | - Wolfgang Roth
- Laboratory for Experimental Neurorehabilitation, Heidelberg University Hospital, 69118 Heidelberg, Germany;
| | - Radhika Puttagunta
- Laboratory for Experimental Neuroregeneration, Spinal Cord Injury Center, Heidelberg University Hospital, 69118 Heidelberg, Germany; (V.K.); (B.T.-D.)
- Correspondence:
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15
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Lin J, Li X, Yin J, Qian J. Effect of Cyclic Stretch on Neuron Reorientation and Axon Outgrowth. Front Bioeng Biotechnol 2020; 8:597867. [PMID: 33425865 PMCID: PMC7793818 DOI: 10.3389/fbioe.2020.597867] [Citation(s) in RCA: 12] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2020] [Accepted: 11/23/2020] [Indexed: 01/30/2023] Open
Abstract
The directional alignment and outgrowth of neurons is a critical step of nerve regeneration and functional recovery of nerve systems, where neurons are exposed to a complex mechanical environment with subcellular structures such as stress fibers and focal adhesions acting as the key mechanical transducer. In this paper, we investigate the effects of cyclic stretch on neuron reorientation and axon outgrowth with a feasible stretching device that controls stretching amplitude and frequency. Statistical results indicate an evident frequency and amplitude dependence of neuron reorientation, that is, neurons tend to align away from stretch direction when stretching amplitude and frequency are large enough. On the other hand, axon elongation under cyclic stretch is very close to the reference case where neurons are not stretched. A mechanochemical framework is proposed by connecting the evolution of cellular configuration to the microscopic dynamics of subcellular structures, including stress fiber, focal adhesion, and microtubule, yielding theoretical predictions that are consistent with the experimental observations. The theoretical work provides an explanation of the neuron's mechanical response to cyclic stretch, suggesting that the contraction force generated by stress fiber plays an essential role in both neuron reorientation and axon elongation. This combined experimental and theoretical study on stretch-induced neuron reorientation may have potential applications in neurodevelopment and neuron regeneration.
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Affiliation(s)
- Ji Lin
- Key Laboratory of Soft Machines and Smart Devices of Zhejiang Province, Department of Engineering Mechanics, Zhejiang University, Hangzhou, China
| | - Xiaokeng Li
- State Key Laboratory of Fluid Power and Mechatronic Systems, Key Laboratory of 3D Printing Process and Equipment of Zhejiang Province, School of Mechanical Engineering, Zhejiang University, Hangzhou, China
| | - Jun Yin
- State Key Laboratory of Fluid Power and Mechatronic Systems, Key Laboratory of 3D Printing Process and Equipment of Zhejiang Province, School of Mechanical Engineering, Zhejiang University, Hangzhou, China
| | - Jin Qian
- Key Laboratory of Soft Machines and Smart Devices of Zhejiang Province, Department of Engineering Mechanics, Zhejiang University, Hangzhou, China
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16
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Kudo TA, Tominami K, Izumi S, Hayashi Y, Noguchi T, Matsuzawa A, Hong G, Nakai J. Characterization of PC12 Cell Subclones with Different Sensitivities to Programmed Thermal Stimulation. Int J Mol Sci 2020; 21:ijms21218356. [PMID: 33171774 PMCID: PMC7664380 DOI: 10.3390/ijms21218356] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/21/2020] [Revised: 11/03/2020] [Accepted: 11/05/2020] [Indexed: 11/16/2022] Open
Abstract
Neuritogenesis is the process underling nervous system regeneration; however, optimal extracellular signals that can promote neuronal regenerative activities require further investigation. Previously, we developed a novel method for inducing neuronal differentiation in rat PC12 cells using temperature-controlled repeated thermal stimulation (TRTS) with a heating plate. Based on neurogenic sensitivity to TRTS, PC12 cells were classified as either hyper- or hyposensitive. In this study, we aimed to investigate the mechanism of hyposensitivity by establishing two PC12-derived subclones according to TRTS sensitivity during differentiation: PC12-P1F1, a hypersensitive subclone, and PC12-P1D10, a hyposensitive subclone. To characterize these subclones, cell size and neuritogenesis were evaluated in subclones treated with nerve growth factor (NGF), bone morphogenetic protein (BMP), or various TRTS. No significant differences in cell size were observed among the parental cells and subclones. BMP4- or TRTS-induced neuritogenesis was increased in PC12-P1F1 cells compared to that in the parental cells, while no neuritogenesis was observed in PC12-P1D10 cells. In contrast, NGF-induced neuritogenesis was observed in all three cell lines. Furthermore, a BMP inhibitor, LDN-193189, considerably inhibited TRTS-induced neuritogenesis. These results suggest that the BMP pathway might be required for TRTS-induced neuritogenesis, demonstrating the useful aspects of these novel subclones for TRTS research.
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Affiliation(s)
- Tada-aki Kudo
- Division of Oral Physiology, Tohoku University Graduate School of Dentistry, Sendai 980-8575, Japan; (K.T.); (S.I.); (J.N.)
- Correspondence: ; Tel./Fax: +81-22-717-8293
| | - Kanako Tominami
- Division of Oral Physiology, Tohoku University Graduate School of Dentistry, Sendai 980-8575, Japan; (K.T.); (S.I.); (J.N.)
| | - Satoshi Izumi
- Division of Oral Physiology, Tohoku University Graduate School of Dentistry, Sendai 980-8575, Japan; (K.T.); (S.I.); (J.N.)
| | - Yohei Hayashi
- Cell Resource Center for Biomedical Research, Institute of Development, Aging and Cancer, Tohoku University, Sendai 980-8575, Japan;
- Graduate School of Life Sciences, Tohoku University, Sendai 980-8577, Japan
| | - Takuya Noguchi
- Laboratory of Health Chemistry, Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai 980-8578, Japan; (T.N.); (A.M.)
| | - Atsushi Matsuzawa
- Laboratory of Health Chemistry, Graduate School of Pharmaceutical Sciences, Tohoku University, Sendai 980-8578, Japan; (T.N.); (A.M.)
| | - Guang Hong
- Division for Globalization Initiative, Liaison Center for Innovative Dentistry, Tohoku University Graduate School of Dentistry, Sendai 980-8575, Japan;
| | - Junichi Nakai
- Division of Oral Physiology, Tohoku University Graduate School of Dentistry, Sendai 980-8575, Japan; (K.T.); (S.I.); (J.N.)
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BEaTS-α an open access 3D printed device for in vitro electromechanical stimulation of human induced pluripotent stem cells. Sci Rep 2020; 10:11274. [PMID: 32647145 PMCID: PMC7347879 DOI: 10.1038/s41598-020-67169-1] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/07/2019] [Accepted: 06/04/2020] [Indexed: 12/17/2022] Open
Abstract
3D printing was used to develop an open access device capable of simultaneous electrical and mechanical stimulation of human induced pluripotent stem cells in 6-well plates. The device was designed using Computer-Aided Design (CAD) and 3D printed with autoclavable, FDA-approved materials. The compact design of the device and materials selection allows for its use inside cell incubators working at high humidity without the risk of overheating or corrosion. Mechanical stimulation of cells was carried out through the cyclic deflection of flexible, translucent silicone membranes by means of a vacuum-controlled, open-access device. A rhythmic stimulation cycle was programmed to create a more physiologically relevant in vitro model. This mechanical stimulation was coupled and synchronized with in situ electrical stimuli. We assessed the capabilities of our device to support cardiac myocytes derived from human induced pluripotent stem cells, confirming that cells cultured under electromechanical stimulation presented a defined/mature cardiomyocyte phenotype. This 3D printed device provides a unique high-throughput in vitro system that combines both mechanical and electrical stimulation, and as such, we foresee it finding applications in the study of any electrically responsive tissue such as muscles and nerves.
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18
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Thampi S, Thekkuveettil A, Muthuvijayan V, Parameswaran R. Accelerated Outgrowth of Neurites on Graphene Oxide-Based Hybrid Electrospun Fibro-Porous Polymeric Substrates. ACS APPLIED BIO MATERIALS 2020; 3:2160-2169. [PMID: 35025267 DOI: 10.1021/acsabm.0c00026] [Citation(s) in RCA: 11] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Fabrication of a surface-engineered electrospun scaffold having biomimetic properties like the extracellular matrix (ECM) is essential for neural tissue engineering. An electroconductive and elastomeric scaffold with aligned fibers acting as a substrate may have a great impact on the directional outgrowth of neurites. In this study, we have electrospun electrically conductive, polyurethane-based elastomeric and topographically aligned fibro-porous neural scaffolds. Adhesive proteins of the ECM are documented to have an important role in controlling neuronal cell behavior, including cell adhesion, proliferation, and neurite outgrowth. These bio-adhesion proteins or nanomaterials mimicking their action, if used for surface modification of neural scaffolds, may have the potential to accelerate the nerve repair process. Thus, electrospun scaffolds fabricated were surface-engineered using a unique and modified single-step electrospraying technique to coat the scaffold surface with an exploratory bio-adhesion agent, a thin layer of graphene oxide (GO) films. The study was then carried out to determine if the GO-coated electrospun electroconductive polycarbonate urethane (PCU) substrate can improve the bio-interface attributes of these scaffolds or may alter the neurite outgrowth of PC-12 cells like any other bio-adhesion proteins. Therefore, the hybrid scaffolds with GO coatings were compared with similar scaffolds coated with poly-l-lysine (PLL) for neural cell adhesion, proliferation, and neurite extension. Neurite outgrowth studies showed that although the average neurite length was comparable on both GO- and PLL-coated surfaces, the length profile of neurites, when categorized based on length, showed an increased number of lengthier neurites on the GO-coated hybrid scaffolds. In particular, the study brings out an innovative surface engineering technique for the coating of GO on polymeric scaffolds. It may be further put together in designing of hybrid surfaces with nanotopographical biophysical cues on three-dimensional neural scaffolds, which in turn may stimulate an accelerated neuronal regeneration via providing an enhanced ECM like milieu.
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Affiliation(s)
- Sudhin Thampi
- Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai 600036, India.,Division of Polymeric Medical Devices, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram 695012, India
| | - Anoopkumar Thekkuveettil
- Division of Molecular Medicine, Biomedical Technology Wing, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram 695012, India
| | - Vignesh Muthuvijayan
- Department of Biotechnology, Bhupat and Jyoti Mehta School of Biosciences, Indian Institute of Technology Madras, Chennai 600036, India
| | - Ramesh Parameswaran
- Division of Polymeric Medical Devices, Sree Chitra Tirunal Institute for Medical Sciences and Technology, Thiruvananthapuram 695012, India
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19
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Katiyar KS, Struzyna LA, Das S, Cullen DK. Stretch growth of motor axons in custom mechanobioreactors to generate long-projecting axonal constructs. J Tissue Eng Regen Med 2019; 13:2040-2054. [PMID: 31469944 DOI: 10.1002/term.2955] [Citation(s) in RCA: 22] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2019] [Revised: 07/14/2019] [Accepted: 08/20/2019] [Indexed: 01/12/2023]
Abstract
The central feature of peripheral motor axons is their remarkable lengths as they project from a motor neuron residing in the spinal cord to distant target muscle. However, current in vitro models have not replicated this feature owing to challenges in generating motor axon tracts beyond a few millimeters in length. To address this, we have developed a novel combination of microtissue engineering and mechanically assisted growth techniques to create long-projecting centimeter-scale motor axon tracts. Here, primary motor neurons were isolated from rat spinal cords and induced to form engineered microspheres via forced aggregation in custom microwells. This technique yielded healthy motor neurons projecting dense, fasciculated axonal tracts. Within our custom-built mechanobioreactors, motor neuron culture conditions, neuronal/axonal architecture, and mechanical growth conditions were optimized to generate parameters for robust and efficient stretch growth of motor axons. We found that axons projecting from motor neuron aggregates were able to tolerate displacement rates at least 10 times greater than those by axons projecting from dissociated motor neurons. The growth and structural characteristics of these stretch-grown motor axons were compared with that of benchmark stretch-grown sensory axons, revealing increased motor axon fasciculation. Finally, motor axons were integrated with myocytes and stretch grown to create novel long-projecting axonal-myocyte constructs that recreate characteristic dimensions of native nerve-muscle anatomy. This is the first demonstration of mechanical elongation of spinal motor axons and may have applications as anatomically inspired in vitro testbeds or as tissue-engineered living scaffolds for targeted axon tract reconstruction following nervous system injury or disease.
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Affiliation(s)
- Kritika S Katiyar
- Center for Brain Injury and Repair, Department of Neurosurgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA.,Center for Neurotrauma, Neurodegeneration and Restoration, Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, PA.,School of Biomedical Engineering, Science and Health Systems, Drexel University, Philadelphia, PA
| | - Laura A Struzyna
- Center for Brain Injury and Repair, Department of Neurosurgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA.,Center for Neurotrauma, Neurodegeneration and Restoration, Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, PA.,Department of Bioengineering, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, PA
| | - Suradip Das
- Center for Brain Injury and Repair, Department of Neurosurgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA.,Center for Neurotrauma, Neurodegeneration and Restoration, Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, PA
| | - D Kacy Cullen
- Center for Brain Injury and Repair, Department of Neurosurgery, Perelman School of Medicine, University of Pennsylvania, Philadelphia, PA.,Center for Neurotrauma, Neurodegeneration and Restoration, Corporal Michael J. Crescenz Veterans Affairs Medical Center, Philadelphia, PA.,Department of Bioengineering, School of Engineering and Applied Science, University of Pennsylvania, Philadelphia, PA
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20
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NLRP3-dependent pyroptosis is required for HIV-1 gp120-induced neuropathology. Cell Mol Immunol 2019; 17:283-299. [PMID: 31320730 DOI: 10.1038/s41423-019-0260-y] [Citation(s) in RCA: 74] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2018] [Accepted: 06/21/2019] [Indexed: 02/07/2023] Open
Abstract
The human immunodeficiency virus-1 (HIV-1) envelope protein gp120 is the major contributor to the pathogenesis of HIV-associated neurocognitive disorder (HAND). Neuroinflammation plays a pivotal role in gp120-induced neuropathology, but how gp120 triggers neuroinflammatory processes and subsequent neuronal death remains unknown. Here, we provide evidence that NLRP3 is required for gp120-induced neuroinflammation and neuropathy. Our results showed that gp120-induced NLRP3-dependent pyroptosis and IL-1β production in microglia. Inhibition of microglial NLRP3 inflammasome activation alleviated gp120-mediated neuroinflammatory factor release and neuronal injury. Importantly, we showed that chronic administration of MCC950, a novel selective NLRP3 inhibitor, to gp120 transgenic mice not only attenuated neuroinflammation and neuronal death but also promoted neuronal regeneration and restored the impaired neurocognitive function. In conclusion, our data revealed that the NLRP3 inflammasome is important for gp120-induced neuroinflammation and neuropathology and suggest that NLRP3 is a potential novel target for the treatment of HAND.
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21
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Abraham JA, Linnartz C, Dreissen G, Springer R, Blaschke S, Rueger MA, Fink GR, Hoffmann B, Merkel R. Directing Neuronal Outgrowth and Network Formation of Rat Cortical Neurons by Cyclic Substrate Stretch. LANGMUIR : THE ACS JOURNAL OF SURFACES AND COLLOIDS 2019; 35:7423-7431. [PMID: 30110535 DOI: 10.1021/acs.langmuir.8b02003] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Neuronal mechanobiology plays a vital function in brain development and homeostasis with an essential role in neuronal maturation, pathfinding, and differentiation but is also crucial for understanding brain pathology. In this study, we constructed an in vitro system to assess neuronal responses to cyclic strain as a mechanical signal. The selected strain amplitudes mimicked physiological as well as pathological conditions. By subjecting embryonic neuronal cells to cyclic uniaxial strain we could steer the direction of neuronal outgrowth perpendicular to strain direction for all applied amplitudes. A long-term analysis proved maintained growth direction. Moreover, stretched neurons showed an enhanced length, growth, and formation of nascent side branches with most elevated growth rates subsequent to physiological straining. Application of cyclic strain to already formed neurites identified retraction bulbs with destabilized microtubule structures as spontaneous responses. Importantly, neurons were able to adapt to the mechanical signals without induction of cell death and showed a triggered growth behavior when compared to unstretched neurons. The data suggest that cyclic strain plays a critical role in neuronal development.
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Affiliation(s)
- Jella-Andrea Abraham
- Institute of Complex Systems (ICS-7): Biomechanics , Research Centre Jülich , Jülich 52425 , Germany
| | - Christina Linnartz
- Institute of Complex Systems (ICS-7): Biomechanics , Research Centre Jülich , Jülich 52425 , Germany
| | - Georg Dreissen
- Institute of Complex Systems (ICS-7): Biomechanics , Research Centre Jülich , Jülich 52425 , Germany
| | - Ronald Springer
- Institute of Complex Systems (ICS-7): Biomechanics , Research Centre Jülich , Jülich 52425 , Germany
| | - Stefan Blaschke
- Department of Neurology , University Hospital of Cologne , Cologne 50937 , Germany
- Institute of Neuroscience and Medicine (INM-3): Cognitive Neuroscience , Research Centre Jülich , Jülich 52425 , Germany
| | - Maria A Rueger
- Department of Neurology , University Hospital of Cologne , Cologne 50937 , Germany
- Institute of Neuroscience and Medicine (INM-3): Cognitive Neuroscience , Research Centre Jülich , Jülich 52425 , Germany
| | - Gereon R Fink
- Department of Neurology , University Hospital of Cologne , Cologne 50937 , Germany
- Institute of Neuroscience and Medicine (INM-3): Cognitive Neuroscience , Research Centre Jülich , Jülich 52425 , Germany
| | - Bernd Hoffmann
- Institute of Complex Systems (ICS-7): Biomechanics , Research Centre Jülich , Jülich 52425 , Germany
| | - Rudolf Merkel
- Institute of Complex Systems (ICS-7): Biomechanics , Research Centre Jülich , Jülich 52425 , Germany
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22
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Bianchi F, George JH, Malboubi M, Jerusalem A, Thompson MS, Ye H. Engineering a uniaxial substrate-stretching device for simultaneous electrophysiological measurements and imaging of strained peripheral neurons. Med Eng Phys 2019; 67:1-10. [PMID: 30878301 DOI: 10.1016/j.medengphy.2019.02.014] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/06/2018] [Revised: 02/17/2019] [Accepted: 02/25/2019] [Indexed: 12/19/2022]
Abstract
Peripheral nerves are continuously subjected to mechanical strain during everyday movements, but excessive stretch can lead to damage and neuronal cell functionality can also be impaired. To better understand cellular processes triggered by stretch, it is necessary to develop in vitro experimental methods that allow multiple concurrent measurements and replicate in vivo mechanical conditions. Current commercially available cell stretching devices do not allow flexible experimental design, restricting the range of possible multi-physics measurements. Here, we describe and characterise a custom-built uniaxial substrate-straining device, with which neurons cultured on aligned patterned surfaces (50 µm wide grooves) can be strained up to 70% and simultaneously imaged with widefield and confocal imaging (up to 100x magnification). Furthermore, direct and indirect electrophysiological measurements by patch clamping and calcium imaging can be made during strain application. We characterise the strain applied to cells cultured in deformable wells by using finite element method simulations and experimental data, showing local surface strains of up to 60% with applied strains of up to 25%. We also show how patterned substrates do not alter the mechanical properties of the system compared to unpatterned surfaces whilst still inducing a homogeneous cell response to strain. The characterisation of this device will be useful for research into investigating the effect of whole-cell mechanical stretch on neurons at both single cell and network scales, with applications found in peripheral neuropathy modelling and in platforms for preventive and regenerative studies.
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Affiliation(s)
- Fabio Bianchi
- Institute of Biomedical Engineering, Dept. of Engineering Science, University of Oxford, Oxford OX3 7DQ, UK
| | - Julian H George
- Institute of Biomedical Engineering, Dept. of Engineering Science, University of Oxford, Oxford OX3 7DQ, UK
| | - Majid Malboubi
- Department of Engineering Science, University of Oxford, Oxford OX1 3PJ, UK; Department of Mechanical Engineering, The University of Birmingham, Birmingham B15 2TT, UK
| | - Antoine Jerusalem
- Department of Engineering Science, University of Oxford, Oxford OX1 3PJ, UK
| | - Mark S Thompson
- Institute of Biomedical Engineering, Dept. of Engineering Science, University of Oxford, Oxford OX3 7DQ, UK
| | - Hua Ye
- Institute of Biomedical Engineering, Dept. of Engineering Science, University of Oxford, Oxford OX3 7DQ, UK.
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23
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Bagheri A, Habibzadeh P, Razavipour SF, Volmar CH, Chee NT, Brothers SP, Wahlestedt C, Mowla SJ, Faghihi MA. HDAC Inhibitors Induce BDNF Expression and Promote Neurite Outgrowth in Human Neural Progenitor Cells-Derived Neurons. Int J Mol Sci 2019; 20:ijms20051109. [PMID: 30841499 PMCID: PMC6429164 DOI: 10.3390/ijms20051109] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/26/2019] [Revised: 02/19/2019] [Accepted: 02/28/2019] [Indexed: 12/11/2022] Open
Abstract
Besides its key role in neural development, brain-derived neurotrophic factor (BDNF) is important for long-term potentiation and neurogenesis, which makes it a critical factor in learning and memory. Due to the important role of BDNF in synaptic function and plasticity, an in-house epigenetic library was screened against human neural progenitor cells (HNPCs) and WS1 human skin fibroblast cells using Cell-to-Ct assay kit to identify the small compounds capable of modulating the BDNF expression. In addition to two well-known hydroxamic acid-based histone deacetylase inhibitors (hb-HDACis), SAHA and TSA, several structurally similar HDAC inhibitors including SB-939, PCI-24781 and JNJ-26481585 with even higher impact on BDNF expression, were discovered in this study. Furthermore, by using well-developed immunohistochemistry assays, the selected compounds were also proved to have neurogenic potential improving the neurite outgrowth in HNPCs-derived neurons. In conclusion, we proved the neurogenic potential of several hb-HDACis, alongside their ability to enhance BDNF expression, which by modulating the neurogenesis and/or compensating for neuronal loss, could be propitious for treatment of neurological disorders.
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Affiliation(s)
- Amir Bagheri
- Department of Molecular Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, P.O. Box 14115-111, Iran.
- Center for Therapeutic Innovation and Department of Psychiatry & Behavioral Sciences, University of Miami Miller School of Medicine, Miami, FL 33136, USA.
| | - Parham Habibzadeh
- Persian BayanGene Research and Training Center, Shiraz, P.O. Box 7134767617, Iran.
| | - Seyedeh Fatemeh Razavipour
- Department of Biochemistry and Molecular Biology, University of Miami Miller School of Medicine, Miami, FL 33136, USA.
| | - Claude-Henry Volmar
- Center for Therapeutic Innovation and Department of Psychiatry & Behavioral Sciences, University of Miami Miller School of Medicine, Miami, FL 33136, USA.
| | - Nancy T Chee
- Center for Therapeutic Innovation and Department of Psychiatry & Behavioral Sciences, University of Miami Miller School of Medicine, Miami, FL 33136, USA.
| | - Shaun P Brothers
- Center for Therapeutic Innovation and Department of Psychiatry & Behavioral Sciences, University of Miami Miller School of Medicine, Miami, FL 33136, USA.
| | - Claes Wahlestedt
- Center for Therapeutic Innovation and Department of Psychiatry & Behavioral Sciences, University of Miami Miller School of Medicine, Miami, FL 33136, USA.
| | - Seyed Javad Mowla
- Department of Molecular Genetics, Faculty of Biological Sciences, Tarbiat Modares University, Tehran, P.O. Box 14115-111, Iran.
| | - Mohammad Ali Faghihi
- Center for Therapeutic Innovation and Department of Psychiatry & Behavioral Sciences, University of Miami Miller School of Medicine, Miami, FL 33136, USA.
- Persian BayanGene Research and Training Center, Shiraz, P.O. Box 7134767617, Iran.
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24
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Xie K, Ngo S, Rong J, Sheppard A. Modulation of mitochondrial respiration underpins neuronal differentiation enhanced by lutein. Neural Regen Res 2019; 14:87-99. [PMID: 30531082 PMCID: PMC6262990 DOI: 10.4103/1673-5374.243713] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/15/2022] Open
Abstract
Lutein is a dietary carotenoid of particular nutritional interest as it is preferentially taken up by neural tissues. Often linked with beneficial effects on vision, a broader role for lutein in neuronal differentiation has emerged recently, although the underlying mechanisms for these effects are not yet clear. The purpose of this study was to investigate the effect of lutein on neuronal differentiation and explore the associated underpinning mechanisms. We found that lutein treatment enhanced the differentiation of SH-SY5Y cells, specifically increasing neuronal arborization and expression of the neuronal process filament protein microtubule-associated protein 2. This effect was mediated by the intracellular phosphoinositide-3-kinase (PI3K) signaling pathway. While PI3K activity is a known trigger of neuronal differentiation, more recently it has also been shown to modulate the metabolic state of cells. Our analysis of bioenergetics found that lutein treatment increased glucose consumption, rates of glycolysis and enhanced respiratory activity of mitochondrial complexes. Concomitantly, the generation of reactive oxygen species was increased (consistent with previous reports that reactive oxygen species promote neuronal differentiation), as well as the production of the key metabolic intermediate acetyl-CoA, an essential determinant of epigenetic status in the cell. We suggest that lutein-stimulated neuronal differentiation is mediated by PI3K-dependent modulation of mitochondrial respiration and signaling, and that the consequential metabolic shifts initiate epigenetically dependent transcriptomic reprogramming in support of this morphogenesis. These observations support the potential importance of micronutrients supplementation to neurogenesis, both during normal development and in regenerative repair.
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Affiliation(s)
- Kui Xie
- Liggins Institute, University of Auckland, Auckland, New Zealand
| | - Sherry Ngo
- Liggins Institute, University of Auckland, Auckland, New Zealand
| | - Jing Rong
- Liggins Institute, University of Auckland, Auckland, New Zealand
| | - Allan Sheppard
- Liggins Institute, University of Auckland, Auckland, New Zealand
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25
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Liu M, Yin C, Jia Z, Li K, Zhang Z, Zhao Y, Gong X, Liu X, Li P, Fan Y. Protective Effect of Moderate Exogenous Electric Field Stimulation on Activating Netrin-1/DCC Expression Against Mechanical Stretch-Induced Injury in Spinal Cord Neurons. Neurotox Res 2018; 34:285-294. [PMID: 29627918 DOI: 10.1007/s12640-018-9885-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/16/2017] [Revised: 02/16/2018] [Accepted: 02/27/2018] [Indexed: 12/30/2022]
Abstract
Nerve cells detect and respond to electric field stimulation and extrinsic chemical guidance cues during development and regeneration; therefore, the development and optimization of an approach for functional neuronal regeneration are necessary for a nerve injury. In this study, we proposed using electric field stimulation to repair a nerve injury triggered by serious mechanical stretch loading. A device that provides continuous mechanical stretch and constant electric field stimulation was designed. Primary dissociated spinal cord neurons were stimulated by mechanical stretch (tensile strain 2.5-10%) at different times (1, 4, 8, and 12 h) to set up a moderate nerve injury model. Stimulated samples were evaluated with respect to cell viability, density, and axonal elongation by the MTT and immunofluorescence assays. The results indicated that mechanical stretch (S, 5% tensile strain, 4 h) caused moderate axonal injury, resulting in significant loss of cell viability and a decrease in cell density. However, injured spinal cord neurons became viable after electric field stimulation (E, 33 mA/m2, 4 h) in the fluorescein diacetate assay. In addition, neuronal viability, density, and elongation increased significantly after electric field stimulation compared with those of stretch-injured neurons. Moreover, electric field stimulation significantly activated the axonal guidance cues Netrin-1 and deleted in colorectal cancer (DCC) receptor expression compared with the stretch-injury group. These results indicate that electric stimulation activates synergistic guidance cues of expression to improve axonal growth relevant to nerve injuries. Our study provides new insight into neuronal regeneration.
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Affiliation(s)
- Meili Liu
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, China.,Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, Beijing, 100083, China
| | - Chuanwei Yin
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, China.,Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, Beijing, 100083, China
| | - Zhengtai Jia
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, China.,Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, Beijing, 100083, China
| | - Kun Li
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, China.,Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, Beijing, 100083, China
| | - Zhifa Zhang
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, China.,Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, Beijing, 100083, China
| | - Yuchen Zhao
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, China.,Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, Beijing, 100083, China
| | - Xianghui Gong
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, China.,Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, Beijing, 100083, China
| | - Xiaoyu Liu
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, China.,Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, Beijing, 100083, China
| | - Ping Li
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, China. .,Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, Beijing, 100083, China.
| | - Yubo Fan
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University, Beijing, 100083, China. .,Beijing Advanced Innovation Centre for Biomedical Engineering, Beihang University, Beijing, 100083, China. .,Beijing Key Laboratory of Rehabilitation Technical Aids for Old-Age Disability, National Research Center for Rehabilitation Technical Aids, Beijing, 100176, China.
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26
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Kamble H, Vadivelu R, Barton M, Shiddiky MJA, Nguyen NT. Pneumatically actuated cell-stretching array platform for engineering cell patterns in vitro. LAB ON A CHIP 2018; 18:765-774. [PMID: 29410989 DOI: 10.1039/c7lc01316g] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/08/2023]
Abstract
Cellular response to mechanical stimuli is a well-known phenomenon known as mechanotransduction. It is widely accepted that mechanotransduction plays an important role in cell alignment which is critical for cell homeostasis. Although many approaches have been developed in recent years to study the effect of external mechanical stimuli on cell behaviour, most of them have not explored the ability of mechanical stimuli to engineer cell alignment to obtain patterned cell cultures. This paper introduces a simple, yet effective pneumatically actuated 4 × 2 cell stretching array for concurrently inducing a range of cyclic normal strains onto cell cultures to achieve predefined cell alignment. We utilised a ring-shaped normal strain pattern to demonstrate the growth of in vitro patterned cell cultures with predefined circumferential cellular alignment. Furthermore, to ensure the compatibility of the developed cell stretching platform with general tools and existing protocols, the dimensions of the developed cell-stretching platform follow the standard F-bottom 96-well plate. In this study, we report the principle design, simulation and characterisation of the cell-stretching platform with preliminary observations using fibroblast cells. Our experimental results of cytoskeleton reorganisation such as perpendicular cellular alignment of the cells to the direction of normal strain are consistent with those reported in the literature. After two hours of stretching, the circumferential alignment of fibroblast cells confirms the capability of the developed system to achieve patterned cell culture. The cell-stretching platform reported is potentially a useful tool for drug screening in 2D mechanobiology experiments, tissue engineering and regenerative medicine.
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Affiliation(s)
- Harshad Kamble
- QLD Micro- and Nanotechnology Centre, Nathan Campus, Griffith University, 170 Kessels Road, Brisbane, QLD 4111, Australia.
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27
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Zheng C, Qu H, Liao W, Bavaro T, Terreni M, Sollogoub M, Ding K, Zhang Y. Chemoenzymatically synthesized GM3 analogues as potential therapeutic agents to recover nervous functionality after injury by inducing neurite outgrowth. Eur J Med Chem 2018; 146:613-620. [DOI: 10.1016/j.ejmech.2018.01.079] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2017] [Revised: 01/22/2018] [Accepted: 01/24/2018] [Indexed: 10/18/2022]
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28
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An Electromagnetically Actuated Double-Sided Cell-Stretching Device for Mechanobiology Research. MICROMACHINES 2017; 8:mi8080256. [PMID: 30400447 PMCID: PMC6190231 DOI: 10.3390/mi8080256] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/22/2017] [Revised: 08/04/2017] [Accepted: 08/10/2017] [Indexed: 12/28/2022]
Abstract
Cellular response to mechanical stimuli is an integral part of cell homeostasis. The interaction of the extracellular matrix with the mechanical stress plays an important role in cytoskeleton organisation and cell alignment. Insights from the response can be utilised to develop cell culture methods that achieve predefined cell patterns, which are critical for tissue remodelling and cell therapy. We report the working principle, design, simulation, and characterisation of a novel electromagnetic cell stretching platform based on the double-sided axial stretching approach. The device is capable of introducing a cyclic and static strain pattern on a cell culture. The platform was tested with fibroblasts. The experimental results are consistent with the previously reported cytoskeleton reorganisation and cell reorientation induced by strain. Our observations suggest that the cell orientation is highly influenced by external mechanical cues. Cells reorganise their cytoskeletons to avoid external strain and to maintain intact extracellular matrix arrangements.
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29
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Kamble H, Barton MJ, Jun M, Park S, Nguyen NT. Cell stretching devices as research tools: engineering and biological considerations. LAB ON A CHIP 2016; 16:3193-203. [PMID: 27440436 DOI: 10.1039/c6lc00607h] [Citation(s) in RCA: 50] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/04/2023]
Abstract
Cells within the human body are subjected to continuous, cyclic mechanical strain caused by various organ functions, movement, and growth. Cells are well known to have the ability to sense and respond to mechanical stimuli. This process is referred to as mechanotransduction. A better understanding of mechanotransduction is of great interest to clinicians and scientists alike to improve clinical diagnosis and understanding of medical pathology. However, the complexity involved in in vivo biological systems creates a need for better in vitro technologies, which can closely mimic the cells' microenvironment using induced mechanical strain. This technology gap motivates the development of cell stretching devices for better understanding of the cell response to mechanical stimuli. This review focuses on the engineering and biological considerations for the development of such cell stretching devices. The paper discusses different types of stretching concepts, major design consideration and biological aspects of cell stretching and provides a perspective for future development in this research area.
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Affiliation(s)
- Harshad Kamble
- Queensland Micro- and Nanotechnology Centre, Griffith University, Nathan Campus, 170 Kessels Road, QLD 4111, Australia.
| | - Matthew J Barton
- Menzies Health Institute Queensland, Griffith University, Gold Coast, QLD, Australia
| | - Myeongjun Jun
- School of Mechanical Engineering, Sungkyunkwan University, Suwon, Korea
| | - Sungsu Park
- School of Mechanical Engineering, Sungkyunkwan University, Suwon, Korea
| | - Nam-Trung Nguyen
- Queensland Micro- and Nanotechnology Centre, Griffith University, Nathan Campus, 170 Kessels Road, QLD 4111, Australia.
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30
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Affiliation(s)
- Tasneem Bouzid
- Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, NE, USA
| | | | - Jung Yul Lim
- Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, NE, USA; Graduate School of Dentistry, Kyung Hee University, Seoul, Korea
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31
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Harshad K, Jun M, Park S, Barton MJ, Vadivelu RK, St John J, Nguyen NT. An electromagnetic cell-stretching device for mechanotransduction studies of olfactory ensheathing cells. Biomed Microdevices 2016; 18:45. [DOI: 10.1007/s10544-016-0071-1] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/02/2023]
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32
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Andalib MN, Dzenis Y, Donahue HJ, Lim JY. Biomimetic substrate control of cellular mechanotransduction. Biomater Res 2016; 20:11. [PMID: 27134756 PMCID: PMC4850706 DOI: 10.1186/s40824-016-0059-1] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/03/2016] [Accepted: 04/12/2016] [Indexed: 02/06/2023] Open
Abstract
Extracellular mechanophysical signals from both static substrate cue and dynamic mechanical loading have strong potential to regulate cell functions. Most of the studies have adopted either static or dynamic cue and shown that each cue can regulate cell adhesion, spreading, migration, proliferation, lineage commitment, and differentiation. However, there is limited information on the integrative control of cell functions by the static and dynamic mechanophysical signals. For example, a majority of dynamic loading studies have tested mechanical stimulation of cells utilizing cultures on flat surfaces without any surface modification. While these approaches have provided significant information on cell mechanotransduction, obtained outcomes may not correctly recapitulate complex cellular mechanosensing milieus in vivo. Several pioneering studies documented cellular response to mechanical stimulations upon cultures with biomimetic substrate modifications. In this min-review, we will highlight key findings on the integrative role of substrate cue (topographic, geometric, etc.) and mechanical stimulation (stretch, fluid shear) in modulating cell function and fate. The integrative approaches, though not fully established yet, will help properly understand cell mechanotransduction under biomimetic mechanophysical environments. This may further lead to advanced functional tissue engineering and regenerative medicine protocols.
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Affiliation(s)
- Mohammad Nahid Andalib
- Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, W317.3 Nebraska Hall, Lincoln, NE 68588-0526 USA
| | - Yuris Dzenis
- Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, W317.3 Nebraska Hall, Lincoln, NE 68588-0526 USA
| | - Henry J Donahue
- Department of Biomedical Engineering, Virginia Commonwealth University, 401 West Main Street, P.O. Box 843067, Richmond, VA 23284-3067 USA
| | - Jung Yul Lim
- Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, W317.3 Nebraska Hall, Lincoln, NE 68588-0526 USA
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33
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Yang Y, Zhao B, Ji Z, Zhang G, Zhang J, Li S, Guo G, Lin H. CRMPs colocalize and interact with cytoskeleton in hippocampal neurons. Int J Clin Exp Med 2015; 8:22337-22344. [PMID: 26885211 PMCID: PMC4729997] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/02/2015] [Accepted: 12/05/2015] [Indexed: 06/05/2023]
Abstract
CRMP family proteins (CRMPs) are widely expressed in the developing neurons, mediating a variety of fundamental functions such as growth cone guidance, neuronal polarity and axon elongation. However, whether all the CRMP proteins interact with cytoskeleton remains unknown. In this study, we found that in cultured hippocampal neurons, CRMPs mainly colocalized with tubulin and actin network in neurites. In growth cones, CRMPs colocalized with tubulinmainly in the central (C-) domain and transition zone (T-zone), less in the peripheral (P-) domain and colocalized with actin in all the C-domain, T-zone and P-domain. The correlation efficiency of CRMPs between actin was significantly higher than that between tubulin, especially in growth cones. We successfully constructed GST-CRMPs plasmids, expressed and purified the GST-CRMP proteins. By GST-pulldown assay, all the CRMP family proteins were found to beinteracted with cytoskeleton proteins. Taken together, we revealed that CRMPs were colocalized with cytoskeleton in hippocampal neurons, especially in growth cones. CRMPs can interact with both tubulin and actin, thus mediating neuronal development.
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Affiliation(s)
- Yuhao Yang
- Department of Orthopedics, The First Affiliated Hospital of Jinan UniversityGuangzhou 510630, China
- Department of Anatomy, Medical College of Jinan UniversityGuangzhou 510630, China
| | - Bo Zhao
- Department of Anatomy, Medical College of Jinan UniversityGuangzhou 510630, China
| | - Zhisheng Ji
- Department of Orthopedics, The First Affiliated Hospital of Jinan UniversityGuangzhou 510630, China
- Department of Anatomy, Medical College of Jinan UniversityGuangzhou 510630, China
| | - Guowei Zhang
- Department of Orthopedics, The First Affiliated Hospital of Jinan UniversityGuangzhou 510630, China
| | - Jifeng Zhang
- Department of Anatomy, Medical College of Jinan UniversityGuangzhou 510630, China
| | - Sumei Li
- Department of Anatomy, Medical College of Jinan UniversityGuangzhou 510630, China
| | - Guoqing Guo
- Department of Anatomy, Medical College of Jinan UniversityGuangzhou 510630, China
| | - Hongsheng Lin
- Department of Orthopedics, The First Affiliated Hospital of Jinan UniversityGuangzhou 510630, China
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Kudo TA, Kanetaka H, Mochizuki K, Tominami K, Nunome S, Abe G, Kosukegawa H, Abe T, Mori H, Mori K, Takagi T, Izumi SI. Induction of neurite outgrowth in PC12 cells treated with temperature-controlled repeated thermal stimulation. PLoS One 2015; 10:e0124024. [PMID: 25879210 PMCID: PMC4399938 DOI: 10.1371/journal.pone.0124024] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/16/2014] [Accepted: 03/10/2015] [Indexed: 01/22/2023] Open
Abstract
To promote the functional restoration of the nervous system following injury, it is necessary to provide optimal extracellular signals that can induce neuronal regenerative activities, particularly neurite formation. This study aimed to examine the regulation of neuritogenesis by temperature-controlled repeated thermal stimulation (TRTS) in rat PC12 pheochromocytoma cells, which can be induced by neurotrophic factors to differentiate into neuron-like cells with elongated neurites. A heating plate was used to apply thermal stimulation, and the correlation of culture medium temperature with varying surface temperature of the heating plate was monitored. Plated PC12 cells were exposed to TRTS at two different temperatures via heating plate (preset surface temperature of the heating plate, 39.5°C or 42°C) in growth or differentiating medium for up to 18 h per day. We then measured the extent of growth, neuritogenesis, or acetylcholine esterase (AChE) activity (a neuronal marker). To analyze the mechanisms underlying the effects of TRTS on these cells, we examined changes in intracellular signaling using the following: tropomyosin-related kinase A inhibitor GW441756; p38 mitogen-activated protein kinase (MAPK) inhibitor SB203580; and MAPK/extracellular signal-regulated kinase (ERK) kinase (MEK) inhibitor U0126 with its inactive analog, U0124, as a control. While a TRTS of 39.5°C did not decrease the growth rate of cells in the cell growth assay, it did increase the number of neurite-bearing PC12 cells and AChE activity without the addition of other neuritogenesis inducers. Furthermore, U0126, and SB203580, but not U0124 and GW441756, considerably inhibited TRTS-induced neuritogenesis. These results suggest that TRTS can induce neuritogenesis and that participation of both the ERK1/2 and p38 MAPK signaling pathways is required for TRTS-dependent neuritogenesis in PC12 cells. Thus, TRTS may be an effective technique for regenerative neuromedicine.
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Affiliation(s)
- Tada-aki Kudo
- Division of Oral Physiology, Tohoku University Graduate School of Dentistry, Sendai city, Miyagi, Japan
| | - Hiroyasu Kanetaka
- Liaison Center for Innovative Dentistry, Tohoku University Graduate School of Dentistry, Sendai city, Miyagi, Japan; Tohoku University Graduate School of Biomedical Engineering, Sendai city, Miyagi, Japan
| | - Kentaro Mochizuki
- Cell Resource Center for Biomedical Research, Institute of Development, Aging and Cancer, Tohoku University, Sendai city, Miyagi, Japan
| | - Kanako Tominami
- Tohoku University Graduate School of Biomedical Engineering, Sendai city, Miyagi, Japan
| | - Shoko Nunome
- Division of Oral Dysfunction Science, Tohoku University Graduate School of Dentistry, Sendai city, Miyagi, Japan
| | - Genji Abe
- Department of Physical Medicine and Rehabilitation, Tohoku University Graduate School of Medicine, Sendai city, Miyagi, Japan
| | | | | | | | | | - Toshiyuki Takagi
- Institute of Fluid Science, Tohoku University, Sendai city, Miyagi, Japan
| | - Shin-ichi Izumi
- Tohoku University Graduate School of Biomedical Engineering, Sendai city, Miyagi, Japan; Department of Physical Medicine and Rehabilitation, Tohoku University Graduate School of Medicine, Sendai city, Miyagi, Japan
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Davis CA, Zambrano S, Anumolu P, Allen ACB, Sonoqui L, Moreno MR. Device-Based In Vitro Techniques for Mechanical Stimulation of Vascular Cells: A Review. J Biomech Eng 2015; 137:040801. [DOI: 10.1115/1.4029016] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/28/2013] [Accepted: 11/07/2014] [Indexed: 01/19/2023]
Abstract
The most common cause of death in the developed world is cardiovascular disease. For decades, this has provided a powerful motivation to study the effects of mechanical forces on vascular cells in a controlled setting, since these cells have been implicated in the development of disease. Early efforts in the 1970 s included the first use of a parallel-plate flow system to apply shear stress to endothelial cells (ECs) and the development of uniaxial substrate stretching techniques (Krueger et al., 1971, “An in Vitro Study of Flow Response by Cells,” J. Biomech., 4(1), pp. 31–36 and Meikle et al., 1979, “Rabbit Cranial Sutures in Vitro: A New Experimental Model for Studying the Response of Fibrous Joints to Mechanical Stress,” Calcif. Tissue Int., 28(2), pp. 13–144). Since then, a multitude of in vitro devices have been designed and developed for mechanical stimulation of vascular cells and tissues in an effort to better understand their response to in vivo physiologic mechanical conditions. This article reviews the functional attributes of mechanical bioreactors developed in the 21st century, including their major advantages and disadvantages. Each of these systems has been categorized in terms of their primary loading modality: fluid shear stress (FSS), substrate distention, combined distention and fluid shear, or other applied forces. The goal of this article is to provide researchers with a survey of useful methodologies that can be adapted to studies in this area, and to clarify future possibilities for improved research methods.
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Affiliation(s)
- Caleb A. Davis
- Department of Biomedical Engineering, Texas A&M University, College Station, TX 77843-3120 e-mail:
| | - Steve Zambrano
- Department of Biomedical Engineering, Texas A&M University, College Station, TX 77843-3120 e-mail:
| | - Pratima Anumolu
- Department of Biomedical Engineering, Texas A&M University, College Station, TX 77843-3120 e-mail:
| | - Alicia C. B. Allen
- Department of Biomedical Engineering, The University of Texas at Austin, Austin, TX 78712-1801 e-mail:
| | - Leonardo Sonoqui
- Department of Biomedical Engineering, Texas A&M University, College Station, TX 77843-3120 e-mail:
| | - Michael R. Moreno
- Department of Mechanical Engineering, Department of Biomedical Engineering, Texas A&M University, College Station, TX 77843-3123 e-mail:
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Liu M, Zhou G, Hou Y, Kuang G, Jia Z, Li P, Fan Y. Effect of nano-hydroxyapatite-coated magnetic nanoparticles on axonal guidance growth of rat dorsal root ganglion neurons. J Biomed Mater Res A 2015; 103:3066-71. [DOI: 10.1002/jbm.a.35426] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2014] [Accepted: 02/09/2015] [Indexed: 12/28/2022]
Affiliation(s)
- Meili Liu
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University; Beijing 100191 China
| | - Gang Zhou
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University; Beijing 100191 China
| | - Yongzhao Hou
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University; Beijing 100191 China
| | - Gang Kuang
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University; Beijing 100191 China
| | - Zhengtai Jia
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University; Beijing 100191 China
| | - Ping Li
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University; Beijing 100191 China
| | - Yubo Fan
- Key Laboratory for Biomechanics and Mechanobiology of Ministry of Education, School of Biological Science and Medical Engineering, Beihang University; Beijing 100191 China
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Lee JS, Lipatov A, Ha L, Shekhirev M, Andalib MN, Sinitskii A, Lim JY. Graphene substrate for inducing neurite outgrowth. Biochem Biophys Res Commun 2015; 460:267-73. [PMID: 25778866 DOI: 10.1016/j.bbrc.2015.03.023] [Citation(s) in RCA: 36] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/27/2015] [Accepted: 03/05/2015] [Indexed: 12/27/2022]
Abstract
A few recent studies demonstrated that graphene may have cytocompatibility with several cell types. However, when assessing cell behavior on graphene, there has been no precise control over the quality of graphene, number of graphene layers, and substrate surface coverage by graphene. In this study, using well-controlled monolayer graphene film substrates we tested the cytocompatibility of graphene for human neuroblastoma (SH-SY5Y) cell culture. A large-scale monolayer graphene film grown on Cu foils by chemical vapor deposition (CVD) could be successfully transferred onto glass substrates by wet transfer technique. We observed that graphene substrate could induce enhanced neurite outgrowth, both in neurite length and number, compared with control glass substrate. Interestingly, the positive stimulatory effect by graphene was achieved even in the absence of soluble neurogenic factor, retinoic acid (RA). Key genes relevant to cell neurogenesis, e.g., neurofilament light chain (NFL), were also upregulated on graphene. Inhibitor studies suggested that the graphene stimulation of cellular neurogenesis may be achieved through focal adhesion kinase (FAK) and p38 mitogen-activated protein kinase (MAPK) cascades. Our data indicate that graphene may be exploited as a platform for neural regenerative medicine, and the suggested molecular mechanism may provide an insight into the graphene control of neural cells.
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Affiliation(s)
- Jeong Soon Lee
- Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, NE 68588, USA
| | - Alexey Lipatov
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE 68588, USA
| | - Ligyeom Ha
- Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, NE 68588, USA
| | - Mikhail Shekhirev
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE 68588, USA
| | - Mohammad Nahid Andalib
- Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, NE 68588, USA
| | - Alexander Sinitskii
- Department of Chemistry, University of Nebraska-Lincoln, Lincoln, NE 68588, USA; Nebraska Center for Materials and Nanoscience, University of Nebraska-Lincoln, Lincoln, NE 68588, USA.
| | - Jung Yul Lim
- Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, NE 68588, USA; The Graduate School of Dentistry, Kyung Hee University, Seoul, South Korea.
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Hypergravity stimulation enhances PC12 neuron-like cell differentiation. BIOMED RESEARCH INTERNATIONAL 2015; 2015:748121. [PMID: 25785273 PMCID: PMC4345237 DOI: 10.1155/2015/748121] [Citation(s) in RCA: 24] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 11/04/2014] [Revised: 01/08/2015] [Accepted: 01/27/2015] [Indexed: 01/12/2023]
Abstract
Altered gravity is a strong physical cue able to elicit different cellular responses, representing a largely uninvestigated opportunity for tissue engineering/regenerative medicine applications. Our recent studies have shown that both proliferation and differentiation of C2C12 skeletal muscle cells can be enhanced by hypergravity treatment; given these results, PC12 neuron-like cells were chosen to test the hypothesis that hypergravity stimulation might also affect the behavior of neuronal cells, in particular promoting an enhanced differentiated phenotype. PC12 cells were thus cultured under differentiating conditions for either 12 h or 72 h before being stimulated with different values of hypergravity (50 g and 150 g). Effects of hypergravity were evaluated at transcriptional level 1 h and 48 h after the stimulation, and at protein level 48 h from hypergravity exposure, to assess its influence on neurite development over increasing differentiation times. PC12 differentiation resulted strongly affected by the hypergravity treatments; in particular, neurite length was significantly enhanced after exposure to high acceleration values. The achieved results suggest that hypergravity might induce a faster and higher neuronal differentiation and encourage further investigations on the potential of hypergravity in the preparation of cellular constructs for regenerative medicine and tissue engineering purposes.
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Stoll H, Kwon IK, Lim JY. Material and mechanical factors: new strategy in cellular neurogenesis. Neural Regen Res 2014; 9:1810-3. [PMID: 25422642 PMCID: PMC4239770 DOI: 10.4103/1673-5374.143426] [Citation(s) in RCA: 8] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 09/22/2014] [Indexed: 11/04/2022] Open
Abstract
Since damaged neural circuits are not generally self-recovered, developing methods to stimulate neurogenesis is critically required. Most studies have examined the effects of soluble pharmacological factors on the cellular neurogenesis. On the other hand, it is now recognized that the other extracellular factors, including material and mechanical cues, also have a strong potential to induce cellular neurogenesis. This article will review recent data on the material (chemical patterning, micro/nano-topography, carbon nanotube, graphene) and mechanical (static cue from substrate stiffness, dynamic cue from stretch and flow shear) stimulations of cellular neurogenesis. These approaches may provide new neural regenerative medicine protocols. Scaffolding material templates capable of triggering cellular neurogenesis can be explored in the presence of neurogenesis-stimulatory mechanical environments, and also with conventional soluble factors, to enhance axonal growth and neural network formation in neural tissue engineering.
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Affiliation(s)
- Hillary Stoll
- Department of Biological Systems Engineering, University of Nebraska-Lincoln, Lincoln, NE, USA
| | - Il Keun Kwon
- The Graduate School of Dentistry, Kyung Hee University, Seoul, Korea
| | - Jung Yul Lim
- The Graduate School of Dentistry, Kyung Hee University, Seoul, Korea ; Department of Mechanical and Materials Engineering, University of Nebraska-Lincoln, Lincoln, NE, USA
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40
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Tetramethylpyrazine promotes SH-SY5Y cell differentiation into neurons through epigenetic regulation of Topoisomerase IIβ. Neuroscience 2014; 278:179-93. [DOI: 10.1016/j.neuroscience.2014.08.010] [Citation(s) in RCA: 15] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/19/2014] [Revised: 08/04/2014] [Accepted: 08/13/2014] [Indexed: 12/12/2022]
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