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Omer SA, McKnight KH, Young LI, Song S. Stimulation strategies for electrical and magnetic modulation of cells and tissues. CELL REGENERATION (LONDON, ENGLAND) 2023; 12:21. [PMID: 37391680 DOI: 10.1186/s13619-023-00165-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/22/2023] [Accepted: 05/01/2023] [Indexed: 07/02/2023]
Abstract
Electrical phenomena play an important role in numerous biological processes including cellular signaling, early embryogenesis, tissue repair and remodeling, and growth of organisms. Electrical and magnetic effects have been studied on a variety of stimulation strategies and cell types regarding cellular functions and disease treatments. In this review, we discuss recent advances in using three different stimulation strategies, namely electrical stimulation via conductive and piezoelectric materials as well as magnetic stimulation via magnetic materials, to modulate cell and tissue properties. These three strategies offer distinct stimulation routes given specific material characteristics. This review will evaluate material properties and biological response for these stimulation strategies with respect to their potential applications in neural and musculoskeletal research.
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Affiliation(s)
- Suleyman A Omer
- Department of Biomedical Engineering, The University of Arizona, Tucson, AZ, USA
| | - Kaitlyn H McKnight
- Department of Biomedical Engineering, The University of Arizona, Tucson, AZ, USA
| | - Lucas I Young
- Department of Biomedical Engineering, The University of Arizona, Tucson, AZ, USA
| | - Shang Song
- Department of Biomedical Engineering, The University of Arizona, Tucson, AZ, USA.
- Departments of Neuroscience GIDP, Materials Science and Engineering, BIO5 Institute, The University of Arizona, Tucson, AZ, USA.
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Huang RY, Liu ZH, Weng WH, Chang CW. Magnetic nanocomplexes for gene delivery applications. J Mater Chem B 2021; 9:4267-4286. [PMID: 33942822 DOI: 10.1039/d0tb02713h] [Citation(s) in RCA: 11] [Impact Index Per Article: 3.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Gene delivery is an indispensable technique for various biomedical applications such as gene therapy, stem cell engineering and gene editing. Recently, magnetic nanoparticles (MNPs) have received increasing attention for their use in promoting gene delivery efficiency. Under magnetic attraction, gene delivery efficiency using viral or nonviral gene carriers could be universally enhanced. Besides, magnetic nanoparticles could be utilized in magnetic resonance imaging or magnetic hyperthermia therapy, providing extra theranostic opportunities. In this review, recent research integrating MNPs with a viral or nonviral gene vector is summarized from both technical and application perspectives. Applications of MNPs in cutting-edge research technologies, such as biomimetic cell membrane nano-gene carriers, exosome-based gene delivery, cell-based drug delivery systems or CRISPR/Cas9 gene editing, are also discussed.
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Affiliation(s)
- Rih-Yang Huang
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu, Taiwan.
| | - Zhuo-Hao Liu
- Department of Neurosurgery, Chang Gung Memorial Hospital at Linkou, Chang Gung Medical College and University, Taiwan.
| | - Wei-Han Weng
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu, Taiwan.
| | - Chien-Wen Chang
- Department of Biomedical Engineering and Environmental Sciences, National Tsing Hua University, Hsinchu, Taiwan.
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Asil SM, Ahlawat J, Barroso GG, Narayan M. Nanomaterial based drug delivery systems for the treatment of neurodegenerative diseases. Biomater Sci 2020; 8:4109-4128. [PMID: 32638706 PMCID: PMC7439575 DOI: 10.1039/d0bm00809e] [Citation(s) in RCA: 53] [Impact Index Per Article: 13.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/01/2023]
Abstract
With an aging population that has been increasing in recent years, the need for the development of therapeutic approaches for treatment of neurodegenerative disorders (ND) has increased. ND, which are characterized by the progressive loss of the structure or function of neurons, are often associated with neuronal death. In spite of screening numerous drugs, currently there is no specific treatment that can cure these diseases or slow down their progression. Alzheimer's disease (AD), Parkinson's disease (PD), amyotrophic lateral sclerosis (ALS), frontotemporal dementia, Huntington's disease, and prion diseases belong to ND which affect enormous numbers of people globally. There are some main possible reasons for failure in the treatment of neurodegenerative diseases such as limitations introduced by the Blood-Brain Barrier (BBB), the Blood-Cerebrospinal Fluid Barrier (BCFB) and P-glycoproteins. Current advances in nanotechnology present opportunities to overcome the mentioned limitations by using nanotechnology and designing nanomaterials improving the delivery of active drug candidates. Some of the basic and developing strategies to overcome drug delivery impediments are the local delivery of drugs, receptor-mediated transcytosis, physicochemical disruption of the BBB, cell-penetrating peptides and magnetic disruption. Recently, the application of nanoparticles has been developed to improve the efficiency of drug delivery. Nanoengineered particles as nanodrugs possess the capacity to cross the BBB and also show decreased invasiveness. Examples include inorganic, magnetic, polymeric and carbonic nanoparticles that have been developed to improve drug delivery efficiency. Despite numerous papers published in this filed, there are some unsolved issues that need to be addressed for successful treatment of neurodegenerative diseases. These are discussed herein.
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Affiliation(s)
- Shima Masoudi Asil
- The Department of Environmental Science & Engineering, The University of Texas at El Paso, USA
| | - Jyoti Ahlawat
- Department of Chemistry & Biochemistry, The University of Texas at El Paso, USA
| | | | - Mahesh Narayan
- Department of Chemistry & Biochemistry, The University of Texas at El Paso, USA
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Prager J, Adams CF, Delaney AM, Chanoit G, Tarlton JF, Wong LF, Chari DM, Granger N. Stiffness-matched biomaterial implants for cell delivery: clinical, intraoperative ultrasound elastography provides a 'target' stiffness for hydrogel synthesis in spinal cord injury. J Tissue Eng 2020; 11:2041731420934806. [PMID: 32670538 PMCID: PMC7336822 DOI: 10.1177/2041731420934806] [Citation(s) in RCA: 18] [Impact Index Per Article: 4.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/11/2020] [Accepted: 05/21/2020] [Indexed: 12/14/2022] Open
Abstract
Safe hydrogel delivery requires stiffness-matching with host tissues to avoid
iatrogenic damage and reduce inflammatory reactions. Hydrogel-encapsulated cell
delivery is a promising combinatorial approach to spinal cord injury therapy,
but a lack of in vivo clinical spinal cord injury stiffness
measurements is a barrier to their use in clinics. We demonstrate that
ultrasound elastography – a non-invasive, clinically established tool – can be
used to measure spinal cord stiffness intraoperatively in canines with
spontaneous spinal cord injury. In line with recent experimental reports, our
data show that injured spinal cord has lower stiffness than uninjured cord. We
show that the stiffness of hydrogels encapsulating a clinically relevant
transplant population (olfactory ensheathing cells) can also be measured by
ultrasound elastography, enabling synthesis of hydrogels with comparable
stiffness to canine spinal cord injury. We therefore demonstrate
proof-of-principle of a novel approach to stiffness-matching hydrogel-olfactory
ensheathing cell implants to ‘real-life’ spinal cord injury values; an approach
applicable to multiple biomaterial implants for regenerative therapies.
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Affiliation(s)
- Jon Prager
- Bristol Veterinary School, University of Bristol, Bristol, UK.,The Royal Veterinary College, University of London, Hatfield, UK
| | - Christopher F Adams
- Cellular and Neural Engineering Group, Institute for Science and Technology in Medicine, Keele University, Keele, UK
| | - Alexander M Delaney
- Cellular and Neural Engineering Group, Institute for Science and Technology in Medicine, Keele University, Keele, UK
| | | | - John F Tarlton
- Bristol Veterinary School, University of Bristol, Bristol, UK
| | | | - Divya M Chari
- Cellular and Neural Engineering Group, Institute for Science and Technology in Medicine, Keele University, Keele, UK
| | - Nicolas Granger
- The Royal Veterinary College, University of London, Hatfield, UK
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Evans MG, Al-Shakli A, Chari DM. Electrophysiological properties of neurons grown on soft polymer scaffolds reveal the potential to develop neuromimetic culture environments. Integr Biol (Camb) 2019; 11:395-403. [PMID: 31922538 DOI: 10.1093/intbio/zyz033] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.6] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/17/2019] [Revised: 09/28/2019] [Accepted: 10/02/2019] [Indexed: 11/12/2022]
Abstract
Tissue engineering methodologies for various physiological systems are seeing a significant trend towards 3D cell culture in or on 'soft' polymeric hydrogel materials, widely considered to provide a more biomimetic environment for cell growth versus 'hard' materials such as glass or plastic. Progress has been slower with 3D neural cell culture with current studies overwhelmingly reliant on hard substrates. Accordingly, our knowledge of the alterations in electrochemical properties of neurons propagated in soft materials is relatively limited. In this study, primary cortical neurons and glial cells were seeded onto the surface of collagen hydrogels and grown in vitro for 7-8 days. At this time, neurons had formed a complex neurite web interspersed with astrocytes. Neuronal patch clamp recordings revealed voltage-gated Na+ and K+ currents in voltage clamp and action potentials in current clamp. When measured at voltages close to maximum activation, both currents were >1 nA in mean amplitude. When compared to primary cortical neurons cultured on glass coverslips, but otherwise under similar conditions (Evans et al., 2017), the Na+ current from hydrogel neurons was found to be significantly larger although there were no differences in the K+ current amplitude, membrane potential, input resistance or cell capacitance. We speculate that the larger size of the neuronal voltage-dependent Na+ current in the hydrogels is related to the better biomimetic properties of the soft material, being close to values reported for neurons recorded in brain slices. The results highlight the potential benefits offered by neuronal culture on soft and biomimetic polymeric materials for neural tissue engineering studies.
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Affiliation(s)
| | - Arwa Al-Shakli
- School of Medicine, Keele University, Staffordshire ST5 5BG, UK
| | - Divya M Chari
- School of Medicine, Keele University, Staffordshire ST5 5BG, UK
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Abstract
Objective: Gliomas are the most common neoplasm of the central nervous system (CNS); however, traditional imaging techniques do not show the boundaries of tumors well. Some researchers have found a new therapeutic mode to combine nanoparticles, which are nanosized particles with various properties for specific therapeutic purposes, and stem cells for tracing gliomas. This review provides an introduction of the basic understanding and clinical applications of the combination of stem cells and nanoparticles as a contrast agent for glioma imaging. Data Sources: Studies published in English up to and including 2017 were extracted from the PubMed database with the selected key words of “stem cell,” “glioma,” “nanoparticles,” “MRI,” “nuclear imaging,” and “Fluorescence imaging.” Study Selection: The selection of studies focused on both preclinical studies and basic studies of tracking glioma with nanoparticle-labeled stem cells. Results: Studies have demonstrated successful labeling of stem cells with multiple types of nanoparticles. These labeled stem cells efficiently migrated to gliomas of varies models and produced signals sensitively captured by different imaging modalities. Conclusion: The use of nanoparticle-labeled stem cells is a promising imaging platform for the tracking and treatment of gliomas.
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Affiliation(s)
- Shuang-Lin Deng
- Department of Neurosurgical Oncology, The First Hospital of Jilin University, Changchun, Jilin 130021, China
| | - Yun-Qian Li
- Department of Neurosurgical Oncology, The First Hospital of Jilin University, Changchun, Jilin 130021, China
| | - Gang Zhao
- Department of Neurosurgical Oncology, The First Hospital of Jilin University, Changchun, Jilin 130021, China
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Zhang Y, Liu X, Michelson K, Trivedi R, Wu X, Schepp E, Xing Y, Darland D, Zhao JX. Graphene Oxide-Based Biocompatible 3D Mesh with a Tunable Porosity and Tensility for Cell Culture. ACS Biomater Sci Eng 2018; 4:1505-1517. [DOI: 10.1021/acsbiomaterials.8b00190] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Affiliation(s)
- Ying Zhang
- Shijiazhuang
Center
for Disease Control and Prevention, Shijiazhuang 050019, P.R. China
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