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Karimi M, Bahrami S, Mirshekari H, Basri SMM, Nik AB, Aref AR, Akbari M, Hamblin MR. Microfluidic systems for stem cell-based neural tissue engineering. LAB ON A CHIP 2016; 16:2551-71. [PMID: 27296463 PMCID: PMC4935609 DOI: 10.1039/c6lc00489j] [Citation(s) in RCA: 77] [Impact Index Per Article: 9.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/21/2023]
Abstract
Neural tissue engineering aims at developing novel approaches for the treatment of diseases of the nervous system, by providing a permissive environment for the growth and differentiation of neural cells. Three-dimensional (3D) cell culture systems provide a closer biomimetic environment, and promote better cell differentiation and improved cell function, than could be achieved by conventional two-dimensional (2D) culture systems. With the recent advances in the discovery and introduction of different types of stem cells for tissue engineering, microfluidic platforms have provided an improved microenvironment for the 3D-culture of stem cells. Microfluidic systems can provide more precise control over the spatiotemporal distribution of chemical and physical cues at the cellular level compared to traditional systems. Various microsystems have been designed and fabricated for the purpose of neural tissue engineering. Enhanced neural migration and differentiation, and monitoring of these processes, as well as understanding the behavior of stem cells and their microenvironment have been obtained through application of different microfluidic-based stem cell culture and tissue engineering techniques. As the technology advances it may be possible to construct a "brain-on-a-chip". In this review, we describe the basics of stem cells and tissue engineering as well as microfluidics-based tissue engineering approaches. We review recent testing of various microfluidic approaches for stem cell-based neural tissue engineering.
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Affiliation(s)
- Mahdi Karimi
- Department of Medical Nanotechnology, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran.
| | - Sajad Bahrami
- Department of Medical Nanotechnology, Faculty of Advanced Technologies in Medicine, Iran University of Medical Sciences, Tehran, Iran. and Nanomedicine Research Association (NRA), Universal Scientific Education and Research Network (USERN), Tehran, Iran
| | - Hamed Mirshekari
- Advanced Nanobiotechnology and Nanomedicine Research Group (ANNRG), Iran University of Medical Sciences, Tehran, Iran.
| | - Seyed Masoud Moosavi Basri
- Bioenvironmental Research Center, Sharif University of Technology, Tehran, Iran. and Civil & Environmental Engineering Department, Shahid Beheshti University, Tehran, Iran
| | - Amirala Bakhshian Nik
- Department of Biomedical Engineering, Faculty of New Sciences and Technologies, University of Tehran, Iran.
| | - Amir R Aref
- Department of Cancer Biology, Center for Cancer Systems Biology, Dana-Farber Cancer Institute, Boston, MA 02215, USA and Department of Genetics, Harvard Medical School, Boston, MA 02215, USA.
| | - Mohsen Akbari
- Department of Medicine, Brigham and Women's Hospital, Harvard Medical School, Boston, MA 02215, USA. and Laboratory for Innovations in MicroEngineering (LiME), Department of Mechanical Engineering, University of Victoria, Victoria, BC, Canada
| | - Michael R Hamblin
- Wellman Center for Photomedicine, Massachusetts General Hospital, Boston, MA 02114, USA. and Department of Dermatology, Harvard Medical School, Boston, MA 02115, USA and Harvard-MIT Division of Health Sciences and Technology, Cambridge, MA 02139, USA
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Doulames VM, Plant GW. Induced Pluripotent Stem Cell Therapies for Cervical Spinal Cord Injury. Int J Mol Sci 2016; 17:530. [PMID: 27070598 PMCID: PMC4848986 DOI: 10.3390/ijms17040530] [Citation(s) in RCA: 29] [Impact Index Per Article: 3.6] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/11/2016] [Revised: 03/17/2016] [Accepted: 03/28/2016] [Indexed: 02/07/2023] Open
Abstract
Cervical-level injuries account for the majority of presented spinal cord injuries (SCIs) to date. Despite the increase in survival rates due to emergency medicine improvements, overall quality of life remains poor, with patients facing variable deficits in respiratory and motor function. Therapies aiming to ameliorate symptoms and restore function, even partially, are urgently needed. Current therapeutic avenues in SCI seek to increase regenerative capacities through trophic and immunomodulatory factors, provide scaffolding to bridge the lesion site and promote regeneration of native axons, and to replace SCI-lost neurons and glia via intraspinal transplantation. Induced pluripotent stem cells (iPSCs) are a clinically viable means to accomplish this; they have no major ethical barriers, sources can be patient-matched and collected using non-invasive methods. In addition, the patient’s own cells can be used to establish a starter population capable of producing multiple cell types. To date, there is only a limited pool of research examining iPSC-derived transplants in SCI—even less research that is specific to cervical injury. The purpose of the review herein is to explore both preclinical and clinical recent advances in iPSC therapies with a detailed focus on cervical spinal cord injury.
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Affiliation(s)
- Vanessa M Doulames
- Stanford Partnership for Spinal Cord Injury and Repair, Department of Neurosurgery, Stanford University School of Medicine, 265 Campus Drive Stanford, California, CA 94305, USA.
| | - Giles W Plant
- Stanford Partnership for Spinal Cord Injury and Repair, Department of Neurosurgery, Stanford University School of Medicine, 265 Campus Drive Stanford, California, CA 94305, USA.
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Forostyak O, Forostyak S, Kortus S, Sykova E, Verkhratsky A, Dayanithi G. Physiology of Ca2+ signalling in stem cells of different origins and differentiation stages. Cell Calcium 2016; 59:57-66. [DOI: 10.1016/j.ceca.2016.02.001] [Citation(s) in RCA: 35] [Impact Index Per Article: 4.4] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/12/2016] [Revised: 01/28/2016] [Accepted: 02/02/2016] [Indexed: 01/15/2023]
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Yousefifard M, Rahimi-Movaghar V, Nasirinezhad F, Baikpour M, Safari S, Saadat S, Moghadas Jafari A, Asady H, Razavi Tousi SMT, Hosseini M. Neural stem/progenitor cell transplantation for spinal cord injury treatment; A systematic review and meta-analysis. Neuroscience 2016; 322:377-97. [PMID: 26917272 DOI: 10.1016/j.neuroscience.2016.02.034] [Citation(s) in RCA: 107] [Impact Index Per Article: 13.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/23/2015] [Revised: 02/15/2016] [Accepted: 02/16/2016] [Indexed: 12/21/2022]
Abstract
Despite the vast improvements of cell therapy in spinal cord injury treatment, no optimum protocol has been developed for application of neural stem/progenitor cells. In this regard, the present meta-analysis showed that the efficacy of the neural stem/progenitor cell (NSPC) transplantation depends mainly on injury model, intervention phase, transplanted cell count, immunosuppressive use, and probably stem cell source. Improved functional recovery post NSPC transplantation was found to be higher in transection and contusion models. Moreover, NSPC transplantation in acute phase of spinal injury was found to have better functional recovery. Higher doses (>3×10(6)cell/kg) were also shown to be optimum for transplantation, but immunosuppressive agent administration negatively affected the motor function recovery. Scaffold use in NSPC transplantation could also effectively raise functional recovery.
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Affiliation(s)
- M Yousefifard
- Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - V Rahimi-Movaghar
- Sina Trauma and Surgery Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - F Nasirinezhad
- Physiology Research Center, Department of Physiology, Iran University of Medical Sciences, Tehran, Iran
| | - M Baikpour
- Department of Medicine, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - S Safari
- Department of Emergency Medicine, Shohadaye Tajrish Hospital, Shahid Beheshti University of Medical Sciences, Tehran, Iran
| | - S Saadat
- Sina Trauma and Surgery Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - A Moghadas Jafari
- Department of Emergency Medicine, School of Medicine, Bushehr University of Medical Sciences, Bushehr, Iran
| | - H Asady
- Department of Occupational Health Engineering, Faculty of Public Health, Tehran University of Medical Sciences, Tehran, Iran
| | - S M T Razavi Tousi
- Department of Physiology, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran
| | - M Hosseini
- Sina Trauma and Surgery Research Center, Tehran University of Medical Sciences, Tehran, Iran; Department of Epidemiology and Biostatistics, School of Public Health, Tehran University of Medical Sciences, Tehran, Iran; Pediatric Chronic Kidney Disease Research Center, Tehran University of Medical Sciences, Tehran, Iran.
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