1
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Couturier N, Hörner SJ, Nürnberg E, Joazeiro C, Hafner M, Rudolf R. Aberrant evoked calcium signaling and nAChR cluster morphology in a SOD1 D90A hiPSC-derived neuromuscular model. Front Cell Dev Biol 2024; 12:1429759. [PMID: 38966427 PMCID: PMC11222430 DOI: 10.3389/fcell.2024.1429759] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/08/2024] [Accepted: 06/03/2024] [Indexed: 07/06/2024] Open
Abstract
Familial amyotrophic lateral sclerosis (ALS) is a progressive neuromuscular disorder that is due to mutations in one of several target genes, including SOD1. So far, clinical records, rodent studies, and in vitro models have yielded arguments for either a primary motor neuron disease, or a pleiotropic pathogenesis of ALS. While mouse models lack the human origin, in vitro models using human induced pluripotent stem cells (hiPSC) have been recently developed for addressing ALS pathogenesis. In spite of improvements regarding the generation of muscle cells from hiPSC, the degree of maturation of muscle cells resulting from these protocols has remained limited. To fill these shortcomings, we here present a new protocol for an enhanced myotube differentiation from hiPSC with the option of further maturation upon coculture with hiPSC-derived motor neurons. The described model is the first to yield a combination of key myogenic maturation features that are consistent sarcomeric organization in association with complex nAChR clusters in myotubes derived from control hiPSC. In this model, myotubes derived from hiPSC carrying the SOD1 D90A mutation had reduced expression of myogenic markers, lack of sarcomeres, morphologically different nAChR clusters, and an altered nAChR-dependent Ca2+ response compared to control myotubes. Notably, trophic support provided by control hiPSC-derived motor neurons reduced nAChR cluster differences between control and SOD1 D90A myotubes. In summary, a novel hiPSC-derived neuromuscular model yields evidence for both muscle-intrinsic and nerve-dependent aspects of neuromuscular dysfunction in SOD1-based ALS.
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Affiliation(s)
- Nathalie Couturier
- CeMOS, Mannheim University of Applied Sciences, Mannheim, Germany
- Interdisciplinary Center for Neurosciences, Heidelberg University, Heidelberg, Germany
| | - Sarah Janice Hörner
- CeMOS, Mannheim University of Applied Sciences, Mannheim, Germany
- Interdisciplinary Center for Neurosciences, Heidelberg University, Heidelberg, Germany
| | - Elina Nürnberg
- CeMOS, Mannheim University of Applied Sciences, Mannheim, Germany
| | - Claudio Joazeiro
- Center for Molecular Biology, Heidelberg University, Heidelberg, Germany
| | - Mathias Hafner
- Institute of Molecular and Cell Biology, Mannheim University of Applied Sciences, Mannheim, Germany
- Institute of Medical Technology, Mannheim University of Applied Sciences and Heidelberg University, Mannheim, Germany
| | - Rüdiger Rudolf
- CeMOS, Mannheim University of Applied Sciences, Mannheim, Germany
- Interdisciplinary Center for Neurosciences, Heidelberg University, Heidelberg, Germany
- Institute of Molecular and Cell Biology, Mannheim University of Applied Sciences, Mannheim, Germany
- Institute of Medical Technology, Mannheim University of Applied Sciences and Heidelberg University, Mannheim, Germany
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2
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Wu S, Ruan L, Wu J, Wu M, Chu LT, Kwong HK, Lam ML, Chen TH. Scalable pattern formation of skeletal myotubes by synergizing microtopographic cues and chiral nematics of cells. Biofabrication 2023; 15. [PMID: 36791461 DOI: 10.1088/1758-5090/acbc4d] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/27/2022] [Accepted: 02/15/2023] [Indexed: 02/17/2023]
Abstract
Topographical cues have been widely used to facilitate cell fusion in skeletal muscle formation. However, an unexpected yet consistent chiral orientation of myotubes deviating from the groove boundaries is commonly observed but has long been unattended. In this study, we report a method to guide the formation of skeletal myotubes into scalable and controlled patterns. By inducing C2C12 myoblasts onto grooved patterns with different widths (from 0.4 to 200μm), we observed an enhanced chiral orientation of cells developing on wide grooves (50 and 100μm width) since the first day of induction. Active chiral nematics of cells involving cell migration and chiral rotation of the cell nucleus subsequently led to a unified chiral orientation of the myotubes. Importantly, these chiral myotubes were formed with enhanced length, diameter, and contractility on wide grooves. Treatment of latrunculin A (Lat A) suppressed the chiral rotation and migration of cells as well as the myotube formation, suggesting the essence of chiral nematics of cells for myogenesis. Finally, by arranging wide grooved/striped patterns with corresponding compensation angles to synergize microtopographic cues and chiral nematics of cells, intricate and scalable patterns of myotubes were formed, providing a strategy for engineering skeletal muscle tissue formation.
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Affiliation(s)
- Siying Wu
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong Special Administrative Region, People's Republic of China
| | - Lingyan Ruan
- School of Creative Media, City University of Hong Kong, Hong Kong Special Administrative Region, People's Republic of China
| | - Jianpeng Wu
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong Special Administrative Region, People's Republic of China
| | - Minghui Wu
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong Special Administrative Region, People's Republic of China
| | - Lok Ting Chu
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong Special Administrative Region, People's Republic of China
| | - Hoi Kwan Kwong
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong Special Administrative Region, People's Republic of China
| | - Miu Ling Lam
- School of Creative Media, City University of Hong Kong, Hong Kong Special Administrative Region, People's Republic of China
| | - Ting-Hsuan Chen
- Department of Biomedical Engineering, City University of Hong Kong, Hong Kong Special Administrative Region, People's Republic of China
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3
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Characteristics of the Protocols Used in Electrical Pulse Stimulation of Cultured Cells for Mimicking In Vivo Exercise: A Systematic Review, Meta-Analysis, and Meta-Regression. Int J Mol Sci 2022; 23:ijms232113446. [PMID: 36362233 PMCID: PMC9657802 DOI: 10.3390/ijms232113446] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2022] [Revised: 10/25/2022] [Accepted: 10/29/2022] [Indexed: 11/06/2022] Open
Abstract
While exercise benefits a wide spectrum of diseases and affects most tissues and organs, many aspects of its underlying mechanistic effects remain unsolved. In vitro exercise, mimicking neuronal signals leading to muscle contraction in vitro, can be a valuable tool to address this issue. Following the Preferred Reporting Items for Systematic Reviews and Meta-Analyses guidelines for this systematic review and meta-analysis, we searched EMBASE and PubMed (from database inception to 4 February 2022) for relevant studies assessing in vitro exercise using electrical pulse stimulation to mimic exercise. Meta-analyses of mean differences and meta-regression analyses were conducted. Of 985 reports identified, 41 were eligible for analysis. We observed variability among existing protocols of in vitro exercise and heterogeneity among protocols of the same type of exercise. Our analyses showed that AMPK, Akt, IL-6, and PGC1a levels and glucose uptake increased in stimulated compared to non-stimulated cells, following the patterns of in vivo exercise, and that these effects correlated with the duration of stimulation. We conclude that in vitro exercise follows motifs of exercise in humans, allowing biological parameters, such as the aforementioned, to be valuable tools in defining the types of in vitro exercise. It might be useful in transferring obtained knowledge to human research.
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4
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Volpi M, Paradiso A, Costantini M, Świȩszkowski W. Hydrogel-Based Fiber Biofabrication Techniques for Skeletal Muscle Tissue Engineering. ACS Biomater Sci Eng 2022; 8:379-405. [PMID: 35084836 PMCID: PMC8848287 DOI: 10.1021/acsbiomaterials.1c01145] [Citation(s) in RCA: 39] [Impact Index Per Article: 19.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2021] [Accepted: 01/14/2022] [Indexed: 12/11/2022]
Abstract
The functional capabilities of skeletal muscle are strongly correlated with its well-arranged microstructure, consisting of parallelly aligned myotubes. In case of extensive muscle loss, the endogenous regenerative capacity is hindered by scar tissue formation, which compromises the native muscle structure, ultimately leading to severe functional impairment. To address such an issue, skeletal muscle tissue engineering (SMTE) attempts to fabricate in vitro bioartificial muscle tissue constructs to assist and accelerate the regeneration process. Due to its dynamic nature, SMTE strategies must employ suitable biomaterials (combined with muscle progenitors) and proper 3D architectures. In light of this, 3D fiber-based strategies are gaining increasing interest for the generation of hydrogel microfibers as advanced skeletal muscle constructs. Indeed, hydrogels possess exceptional biomimetic properties, while the fiber-shaped morphology allows for the creation of geometrical cues to guarantee proper myoblast alignment. In this review, we summarize commonly used hydrogels in SMTE and their main properties, and we discuss the first efforts to engineer hydrogels to guide myoblast anisotropic orientation. Then, we focus on presenting the main hydrogel fiber-based techniques for SMTE, including molding, electrospinning, 3D bioprinting, extrusion, and microfluidic spinning. Furthermore, we describe the effect of external stimulation (i.e., mechanical and electrical) on such constructs and the application of hydrogel fiber-based methods on recapitulating complex skeletal muscle tissue interfaces. Finally, we discuss the future developments in the application of hydrogel microfibers for SMTE.
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Affiliation(s)
- Marina Volpi
- Faculty
of Materials Science and Engineering, Warsaw
University of Technology, Warsaw 02-507, Poland
| | - Alessia Paradiso
- Faculty
of Materials Science and Engineering, Warsaw
University of Technology, Warsaw 02-507, Poland
| | - Marco Costantini
- Institute
of Physical Chemistry, Polish Academy of
Sciences, Warsaw 01-224, Poland
| | - Wojciech Świȩszkowski
- Faculty
of Materials Science and Engineering, Warsaw
University of Technology, Warsaw 02-507, Poland
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5
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Li M, Tian X, Li X, Huang M, Huang S, Wu Y, Jiang M, Shi Y, Shi L, Wang Z. Diverse energy metabolism patterns in females in Neodon fuscus, Lasiopodomys brandtii, and Mus musculus revealed by comparative transcriptomics under hypoxic conditions. THE SCIENCE OF THE TOTAL ENVIRONMENT 2021; 783:147130. [PMID: 34088150 DOI: 10.1016/j.scitotenv.2021.147130] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/15/2020] [Revised: 03/28/2021] [Accepted: 04/09/2021] [Indexed: 06/12/2023]
Abstract
The effects of global warming and anthropogenic disturbance force animals to migrate from lower to higher elevations to find suitable new habitats. As such migrations increase hypoxic stress on the animals, it is important to understand how plateau- and plain-dwelling animals respond to low-oxygen environments. We used comparative transcriptomics to explore the response of Neodon fuscus, Lasiopodomys brandtii, and Mus musculus skeletal muscle tissues to hypoxic conditions. Results indicate that these species have adopted different oxygen transport and energy metabolism strategies for dealing with a hypoxic environment. N. fuscus promotes oxygen transport by increasing hemoglobin synthesis and reduces the risk of thrombosis through cooperative regulation of genes, including Fga, Fgb, Alb, and Ttr; genes such as Acs16, Gpat4, and Ndufb7 are involved in regulating lipid synthesis, fatty acid β-oxidation, hemoglobin synthesis, and electron-linked transmission, thereby maintaining a normal energy supply in hypoxic conditions. In contrast, the oxygen-carrying capacity and angiogenesis of red blood cells in L. brandtii are promoted by genes in the CYP and COL families; this species maintains its bodily energy supply by enhancing the pentose phosphate pathway and mitochondrial fatty acid synthesis pathway. However, under hypoxia, M. musculus cannot effectively transport additional oxygen; thus, its cell cycle, proliferation, and migration are somewhat affected. Given its lack of hypoxic tolerance experience, M. musculus also shows significantly reduced oxidative phosphorylation levels under hypoxic conditions. Our results suggest that the glucose capacity of M. musculus skeletal muscle does not provide sufficient energy during hypoxia; thus, we hypothesize that it supplements its bodily energy by synthesizing ketone bodies. For the first time, we describe the energy metabolism pathways of N. fuscus and L. brandtii skeletal muscle tissues under hypoxic conditions. Our findings, therefore, improve our understanding of how vertebrates thrive in high altitude and plain habitats when faced with hypoxic conditions.
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Affiliation(s)
- Mengyang Li
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Xiangyu Tian
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Xiujuan Li
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Maolin Huang
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Shuang Huang
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Yue Wu
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Mengwan Jiang
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Yuhua Shi
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China
| | - Luye Shi
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China.
| | - Zhenlong Wang
- School of Life Sciences, Zhengzhou University, Zhengzhou 450001, Henan, China; School of Physical Education (Main campus), Zhengzhou University, Zhengzhou 450001, Henan, China.
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6
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Zhang Y, Le Friec A, Chen M. 3D anisotropic conductive fibers electrically stimulated myogenesis. Int J Pharm 2021; 606:120841. [PMID: 34216768 DOI: 10.1016/j.ijpharm.2021.120841] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/18/2021] [Revised: 06/21/2021] [Accepted: 06/28/2021] [Indexed: 12/17/2022]
Abstract
Recapitulation of in vivo environments that drive muscle cells to organize into a physiologically relevant 3D architecture remains a major challenge for muscle tissue engineering. To recreate electrophysiology of muscle tissues, electroactive biomaterials have been used to stimulate muscle cells with exogenous electrical fields. In particular, the use of electroactive biomaterials with an anisotropic micro-/nanostructure that closely mimic the native skeletal-muscle extracellular matrix (ECM) is desirable for skeletal muscle tissue engineering. Herein, we present a hierarchically organized, anisotropic, and conductive Polycaprolactone/gold (PCL/Au) scaffold for guiding myoblasts alignment and promoting the elongation and maturation of myotubes under electrical stimulation. Culturing with H9c2 myoblasts cells indicated that the nanotopographic cues was crucial for nuclei alignment, while the presence of microscale grooves effectively enhanced both the formation and elongation of myotubes. The anisotropic structure also leads to anisotropic conductivity. Under electrical stimulation, the elongation and maturation of myotubes were significantly enhanced along the anisotropic scaffold. Specifically, compared to the unstimulated group (0 V), the myotube area percentage increased by 1.4, 1.9 and 2.4 times in the 1 V, 2 V, 3 V groups, respectively. In addition, the myotube average length in the 1 V group increased by 1.3 times compared to that of the unstimulated group, and significantly increased by 1.8 and 2.0 times in the 2 V, 3 V groups, respectively. Impressively, the longest myotubes reached more than 4 mm in both 2 V and 3 V groups. Overall, our conductive, anisotropic 3D nano/microfibrous scaffolds with the application of electrical stimulation provides a desirable platform for skeletal muscle tissue engineering.
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Affiliation(s)
- Yanping Zhang
- Interdisciplinary Nanoscience Center, Aarhus University, Aarhus, Denmark
| | - Alice Le Friec
- Department of Biological and Chemical Engineering, Aarhus University, Aarhus, Denmark
| | - Menglin Chen
- Interdisciplinary Nanoscience Center, Aarhus University, Aarhus, Denmark; Department of Biological and Chemical Engineering, Aarhus University, Aarhus, Denmark.
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7
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Carleton MM, Sefton MV. Promoting endogenous repair of skeletal muscle using regenerative biomaterials. J Biomed Mater Res A 2021; 109:2720-2739. [PMID: 34041836 DOI: 10.1002/jbm.a.37239] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/05/2021] [Revised: 05/14/2021] [Accepted: 05/18/2021] [Indexed: 02/06/2023]
Abstract
Skeletal muscles normally have a remarkable ability to repair themselves; however, large muscle injuries and several myopathies diminish this ability leading to permanent loss of function. No clinical therapy yet exists that reliably restores muscle integrity and function following severe injury. Consequently, numerous tissue engineering techniques, both acellular and with cells, are being investigated to enhance muscle regeneration. Biomaterials are an essential part of these techniques as they can present physical and biochemical signals that augment the repair process. Successful tissue engineering strategies require regenerative biomaterials that either actively promote endogenous muscle repair or create an environment supportive of regeneration. This review will discuss several acellular biomaterial strategies for skeletal muscle regeneration with a focus on those under investigation in vivo. This includes materials that release bioactive molecules, biomimetic materials and immunomodulatory materials.
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Affiliation(s)
- Miranda M Carleton
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada
| | - Michael V Sefton
- Institute of Biomedical Engineering, University of Toronto, Toronto, Ontario, Canada.,Department of Chemical Engineering and Applied Chemistry, University of Toronto, Toronto, Ontario, Canada
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8
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Rueda-Gensini L, Serna JA, Cifuentes J, Cruz JC, Muñoz-Camargo C. Graphene Oxide-Embedded Extracellular Matrix-Derived Hydrogel as a Multiresponsive Platform for 3D Bioprinting Applications. Int J Bioprint 2021; 7:353. [PMID: 34286147 PMCID: PMC8287511 DOI: 10.18063/ijb.v7i3.353] [Citation(s) in RCA: 24] [Impact Index Per Article: 8.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/12/2021] [Accepted: 04/20/2021] [Indexed: 02/06/2023] Open
Abstract
Decellularized extracellular matrices (dECMs) have shown enormous potential for the biofabrication of tissues due to their biomimetic properties that promote enhanced cellular interaction and tissue regeneration. However, biofabrication schemes requiring electrostimulation pose an additional constraint due to the insulating properties of natural materials. Here, we propose a methacryloyl-modified decellularized small intestine submucosa (SISMA) hydrogel, embedded with graphene oxide (GO) nanosheets, for extrusion-based 3D bioprinting applications that require electrostimulation. Methacryloyl biochemical modification is performed to enhance the mechanical stability of dECM constructs by mediating photo-crosslinking reactions, and a multistep fabrication scheme is proposed to harness the bioactive and hydrophilic properties of GO and electroconductive properties of reduced GO. For this, GO was initially dispersed in SISMA hydrogels by exploiting its hydrophilicity and protein adsorption capabilities, and in situ reduction was subsequently performed to confer electroconductive abilities. SISMA-GO composite hydrogels were successfully prepared with enhanced structural characteristics, as shown by the higher crosslinking degree and increased elastic response upon blue-light exposure. Moreover, GO was homogeneously dispersed without affecting photocrosslinking reactions and hydrogel shear-thinning properties. Human adipose-derived mesenchymal stem cells were successfully bioprinted in SISMA-GO with high cell viability after 1 week and in situ reduction of GO during this period enhanced the electrical conductivity of these nanostructures. This work demonstrates the potential of SISMA-GO bioinks as bioactive and electroconductive scaffolds for electrostimulation applications in tissue engineering and regenerative medicine.
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Affiliation(s)
- Laura Rueda-Gensini
- Department of Biomedical Engineering, Universidad de Los Andes, Bogotá, 11171, Colombia
| | - Julian A. Serna
- Department of Biomedical Engineering, Universidad de Los Andes, Bogotá, 11171, Colombia
| | - Javier Cifuentes
- Department of Biomedical Engineering, Universidad de Los Andes, Bogotá, 11171, Colombia
| | - Juan C. Cruz
- Department of Biomedical Engineering, Universidad de Los Andes, Bogotá, 11171, Colombia
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9
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Konishi S, Hashimoto T, Nakabuchi T, Ozeki T, Kajita H. Cell and tissue system capable of automated culture, stimulation, and monitor with the aim of feedback control of organs-on-a-chip. Sci Rep 2021; 11:2999. [PMID: 33542247 PMCID: PMC7862322 DOI: 10.1038/s41598-020-80447-2] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2020] [Accepted: 12/21/2020] [Indexed: 12/25/2022] Open
Abstract
This paper presents progress in the automation of cell and tissue systems and attempts toward the in situ feedback control of organs-on-a-chip. Our study aims to achieve feedback control of a cell and tissue system by a personal computer (PC), whereas most studies on organs-on-a-chip focus on the automation of status monitoring. The implemented system is composed of subsystems including automated culture, stimulation, and monitoring. The monitoring function provides imaging as well as sampling and dispensing in combination with an external analyzer. Individual subsystems can be combined accordingly. First, monitoring of skeletal muscle (SM) and adipose tissues using this system was demonstrated. The highlight of this paper is the application of the system to the feedback control of the lipid droplet (LD) size, where biochemical stimulation using insulin and adrenaline is controlled by a PC according to the obtained LD imaging data. In this study, the system demonstrated its function of maintaining the desired size of LDs. Our results expand the possibility of PC-controllable cell and tissue systems by addressing the challenge of feedback control of organs-on-a-chip. The PC-controllable cell and tissue systems will contribute to living systems-on-a-chip based on homeostasis phenomena involving interactions between organs or tissues.
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Affiliation(s)
- Satoshi Konishi
- Department of Mechanical Engineering, College of Science and Engineering, Ritsumeikan University, Kusatsu, 525-8577, Japan. .,Graduate Course of Science and Engineering, Ritsumeikan University, Kusatsu, 525-8577, Japan. .,Ritsumeikan Global Innovation Research Organization, Ritsumeikan University, Kusatsu, 525-8577, Japan.
| | - Takeshi Hashimoto
- Ritsumeikan Global Innovation Research Organization, Ritsumeikan University, Kusatsu, 525-8577, Japan.,College of Sport and Health Science, Ritsumeikan University, Kusatsu, 525-8577, Japan
| | - Tsubasa Nakabuchi
- Graduate Course of Science and Engineering, Ritsumeikan University, Kusatsu, 525-8577, Japan
| | - Takatoshi Ozeki
- Graduate Course of Science and Engineering, Ritsumeikan University, Kusatsu, 525-8577, Japan
| | - Hiroki Kajita
- Graduate Course of Science and Engineering, Ritsumeikan University, Kusatsu, 525-8577, Japan
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10
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Langridge B, Griffin M, Butler PE. Regenerative medicine for skeletal muscle loss: a review of current tissue engineering approaches. JOURNAL OF MATERIALS SCIENCE. MATERIALS IN MEDICINE 2021; 32:15. [PMID: 33475855 PMCID: PMC7819922 DOI: 10.1007/s10856-020-06476-5] [Citation(s) in RCA: 27] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Accepted: 12/18/2020] [Indexed: 05/05/2023]
Abstract
Skeletal muscle is capable of regeneration following minor damage, more significant volumetric muscle loss (VML) however results in permanent functional impairment. Current multimodal treatment methodologies yield variable functional recovery, with reconstructive surgical approaches restricted by limited donor tissue and significant donor morbidity. Tissue-engineered skeletal muscle constructs promise the potential to revolutionise the treatment of VML through the regeneration of functional skeletal muscle. Herein, we review the current status of tissue engineering approaches to VML; firstly the design of biocompatible tissue scaffolds, including recent developments with electroconductive materials. Secondly, we review the progenitor cell populations used to seed scaffolds and their relative merits. Thirdly we review in vitro methods of scaffold functional maturation including the use of three-dimensional bioprinting and bioreactors. Finally, we discuss the technical, regulatory and ethical barriers to clinical translation of this technology. Despite significant advances in areas, such as electroactive scaffolds and three-dimensional bioprinting, along with several promising in vivo studies, there remain multiple technical hurdles before translation into clinically impactful therapies can be achieved. Novel strategies for graft vascularisation, and in vitro functional maturation will be of particular importance in order to develop tissue-engineered constructs capable of significant clinical impact.
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Affiliation(s)
- Benjamin Langridge
- Department of Plastic & Reconstructive Surgery, Royal Free Hospital, London, UK.
- Charles Wolfson Center for Reconstructive Surgery, Royal Free Hospital, London, UK.
- Division of Surgery & Interventional Science, University College London, London, UK.
| | - Michelle Griffin
- Department of Plastic & Reconstructive Surgery, Royal Free Hospital, London, UK
- Charles Wolfson Center for Reconstructive Surgery, Royal Free Hospital, London, UK
- Division of Surgery & Interventional Science, University College London, London, UK
| | - Peter E Butler
- Department of Plastic & Reconstructive Surgery, Royal Free Hospital, London, UK
- Charles Wolfson Center for Reconstructive Surgery, Royal Free Hospital, London, UK
- Division of Surgery & Interventional Science, University College London, London, UK
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11
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Velasco-Mallorquí F, Fernández-Costa JM, Neves L, Ramón-Azcón J. New volumetric CNT-doped gelatin-cellulose scaffolds for skeletal muscle tissue engineering. NANOSCALE ADVANCES 2020; 2:2885-2896. [PMID: 36132391 PMCID: PMC9418820 DOI: 10.1039/d0na00268b] [Citation(s) in RCA: 15] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/04/2020] [Accepted: 05/28/2020] [Indexed: 05/23/2023]
Abstract
Currently, the fabrication of scaffolds for engineered skeletal muscle tissues is unable to reach the millimeter size. The main drawbacks are the poor nutrient diffusion, lack of an internal structure to align the precursor cells, and poor mechanical and electric properties. Herein, we present a combination of gelatin-carboxymethyl cellulose materials polymerised by a cryogelation process that allowed us to reach scaffold fabrication up to millimeter size and solve the main problems related to the large size muscle tissue constructs. (1) By incorporating carbon nanotubes (CNT), we can improve the electrical properties of the scaffold, thereby enhancing tissue maturation when applying an electric pulse stimulus (EPS). (2) We have fabricated an anisotropic internal three-dimensional microarchitecture with good pore distribution and highly aligned morphology to enhance the cell alignment, cell fusion and myotube formation. With this set up, we were able to generate a fully functional skeletal muscle tissue using a combination of EPS and our doped-biocomposite scaffold and obtain a mature tissue on the millimeter scale. We also characterized the pore distribution, swelling, stiffness and conductivity of the scaffold. Moreover, we proved that the cells were viable and could fuse in three-dimensional (3D) functional myotubes throughout the scaffold. In conclusion, we fabricated a biocompatible and customizable scaffold for 3D cell culture suitable for a wide range of applications such as organ-on-a-chip, drug screening, transplantation and disease modelling.
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Affiliation(s)
- Ferran Velasco-Mallorquí
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST) Baldiri I Reixac 10-12 Barcelona Spain
| | - Juan M Fernández-Costa
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST) Baldiri I Reixac 10-12 Barcelona Spain
| | - Luisa Neves
- Multiwave Imaging, Hotel Technoptic 2 Rue Marc Donadille 13013 Marseille France
| | - Javier Ramón-Azcón
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST) Baldiri I Reixac 10-12 Barcelona Spain
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12
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Distler T, Solisito AA, Schneidereit D, Friedrich O, Detsch R, Boccaccini AR. 3D printed oxidized alginate-gelatin bioink provides guidance for C2C12 muscle precursor cell orientation and differentiation via shear stress during bioprinting. Biofabrication 2020; 12:045005. [PMID: 32485696 DOI: 10.1088/1758-5090/ab98e4] [Citation(s) in RCA: 61] [Impact Index Per Article: 15.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/25/2022]
Abstract
Biofabrication can be a tool to three-dimensionally (3D) print muscle cells embedded inside hydrogel biomaterials, ultimately aiming to mimic the complexity of the native muscle tissue and to create in-vitro muscle analogues for advanced repair therapies and drug testing. However, to 3D print muscle analogues of high cell alignment and synchronous contraction, the effect of biofabrication process parameters on myoblast growth has to be understood. A suitable biomaterial matrix is required to provide 3D printability as well as matrix degradation to create space for cell proliferation, matrix remodelling capacity, and cell differentiation. We demonstrate that by the proper selection of nozzle size and extrusion pressure, the shear stress during extrusion-bioprinting of mouse myoblast cells (C2C12) can achieve cell orientation when using oxidized alginate-gelatin (ADA-GEL) hydrogel bionk. The cells grow in the direction of printing, migrate to the hydrogel surface over time, and differentiate into ordered myotube segments in areas of high cell density. Together, our results show that ADA-GEL hydrogel can be a simple and cost-efficient biodegradable bioink that allows the successful 3D bioprinting and cultivation of C2C12 cells in-vitro to study muscle engineering.
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Affiliation(s)
- Thomas Distler
- Department of Materials Science and Engineering, Institute of Biomaterials, Erlangen 91058, Germany. These authors contributed equally to this work
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13
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Zhao S, Mehta AS, Zhao M. Biomedical applications of electrical stimulation. Cell Mol Life Sci 2020; 77:2681-2699. [PMID: 31974658 PMCID: PMC7954539 DOI: 10.1007/s00018-019-03446-1] [Citation(s) in RCA: 59] [Impact Index Per Article: 14.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/31/2019] [Revised: 12/12/2019] [Accepted: 12/27/2019] [Indexed: 12/14/2022]
Abstract
This review provides a comprehensive overview on the biomedical applications of electrical stimulation (EStim). EStim has a wide range of direct effects on both biomolecules and cells. These effects have been exploited to facilitate proliferation and functional development of engineered tissue constructs for regenerative medicine applications. They have also been tested or used in clinics for pain mitigation, muscle rehabilitation, the treatment of motor/consciousness disorders, wound healing, and drug delivery. However, the research on fundamental mechanism of cellular response to EStim has fell behind its applications, which has hindered the full exploitation of the clinical potential of EStim. Moreover, despite the positive outcome from the in vitro and animal studies testing the efficacy of EStim, existing clinical trials failed to establish strong, conclusive supports for the therapeutic efficacy of EStim for most of the clinical applications mentioned above. Two potential directions of future research to improve the clinical utility of EStim are presented, including the optimization and standardization of the stimulation protocol and the development of more tissue-matching devices.
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Affiliation(s)
- Siwei Zhao
- Mary and Dick Holland Regenerative Medicine Program, University of Nebraska Medical Center, 985965 Nebraska Medical Center, Omaha, NE, 68198, USA.
- Department of Surgery, University of Nebraska Medical Center, Nebraska Medical Center 985965, Omaha, NE, 68198, USA.
| | - Abijeet Singh Mehta
- Department of Dermatology, University of California, Davis, CA, USA
- Department of Ophthalmology & Vision Science, Institute for Regenerative Cures, Center for Neuroscience, University of California at Davis, School of Medicine, Suite 1630, Room 1617, 2921 Stockton Blvd., Sacramento, CA, 95817, USA
| | - Min Zhao
- Department of Dermatology, University of California, Davis, CA, USA
- Department of Ophthalmology & Vision Science, Institute for Regenerative Cures, Center for Neuroscience, University of California at Davis, School of Medicine, Suite 1630, Room 1617, 2921 Stockton Blvd., Sacramento, CA, 95817, USA
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14
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Gong HY, Park J, Kim W, Kim J, Lee JY, Koh WG. A Novel Conductive and Micropatterned PEG-Based Hydrogel Enabling the Topographical and Electrical Stimulation of Myoblasts. ACS APPLIED MATERIALS & INTERFACES 2019; 11:47695-47706. [PMID: 31794187 DOI: 10.1021/acsami.9b16005] [Citation(s) in RCA: 29] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/22/2023]
Abstract
In this study, we designed a cell-adhesive poly(ethylene glycol) (PEG)-based hydrogel that simultaneously provides topographical and electrical stimuli to C2C12 myoblasts. Specifically, PEG hydrogels with microgroove structures of 3 μm ridges and 3 μm grooves were prepared by micromolding; in situ polymerization of poly(3,4-ethylenedioxythiophene) (PEDOT) was then performed within the micropatterned PEG hydrogels to create a microgrooved conductive hydrogel (CH/P). The CH/P had clear replica patterns of the silicone mold and a conductivity of 2.49 × 10-3 S/cm, with greater than 85% water content. In addition, the CH exhibited Young's modulus (45.84 ± 7.12 kPa) similar to that of a muscle tissue. The surface of the CH/P was further modified via covalent bonding with cell-adhesive peptides to facilitate cell adhesion without affecting conductivity. An in vitro cell assay revealed that the CH/P was cytocompatible and enhanced the cell alignment and elongation of C2C12 myoblasts. The microgrooves and conductivity of the CH/P had the greatest positive effect on the myogenesis of C2C12 myoblasts compared to the other PEG hydrogel samples without conductivity or/and microgrooves, even in the absence of electrical stimulation. Electrical stimulation studies indicated that the combination of topographical and electrical cues maximized the differentiation of C2C12 myoblasts into myotubes, confirming the synergetic effect of incorporating microgroove surface features and a conductive PEDOT component into hydrogels.
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Affiliation(s)
| | - Junggeon Park
- School of Materials Science and Engineering , Gwangju Institute of Science and Technology (GIST) , Gwangju 61105 , South Korea
| | | | | | - Jae Young Lee
- School of Materials Science and Engineering , Gwangju Institute of Science and Technology (GIST) , Gwangju 61105 , South Korea
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15
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Apsite I, Uribe JM, Posada AF, Rosenfeldt S, Salehi S, Ionov L. 4D biofabrication of skeletal muscle microtissues. Biofabrication 2019; 12:015016. [PMID: 31600742 DOI: 10.1088/1758-5090/ab4cc4] [Citation(s) in RCA: 38] [Impact Index Per Article: 7.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Abstract
Skeletal muscle is one of the most abundant tissues in the body. Although it has a relatively good regeneration capacity, it cannot heal in the case of disease or severe damage. Many current tissue engineering strategies fall short due to the complex structure of skeletal muscle. Biofabrication techniques have emerged as a popular set of methods for increasing the complexity of tissue-like constructs. In this paper, 4D biofabrication technique is introduced for fabrication of the skeletal muscle microtissues. To this end, a bilayer scaffold consisting of a layer of anisotropic methacrylated alginate fibers (AA-MA) and aligned polycaprolactone (PCL) fibers were fabricated using electrospinning and later induced to self-fold to encapsulate myoblasts. Bilayer mats undergo shape-transformation in an aqueous buffer, a process that depends on their overall thickness, the thickness of each layer and the geometry of the mat. Proper selection of these parameters allowed fabrication of scroll-like tubes encapsulating myoblasts. The myoblasts were shown to align along the axis of the anisotropic PCL fibers and further differentiated into aligned myotubes that contracted under electrical stimulation. Overall the significance of this approach is in the fabrication of hollow tubular constructs that can be further developed for the formation of a vascularized and functional muscle.
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Affiliation(s)
- Indra Apsite
- Faculty of Engineering Sciences and Bavarian Polymer Institute, University of Bayreuth, Ludwig Thoma Str. 36A, 95447 Bayreuth, Germany
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16
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Hernández-Albors A, Castaño AG, Fernández-Garibay X, Ortega MA, Balaguer J, Ramón-Azcón J. Microphysiological sensing platform for an in-situ detection of tissue-secreted cytokines. BIOSENSORS & BIOELECTRONICS: X 2019; 2:100025. [PMID: 32904308 PMCID: PMC7453918 DOI: 10.1016/j.biosx.2019.100025] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 05/22/2019] [Revised: 07/08/2019] [Accepted: 07/25/2019] [Indexed: 06/11/2023]
Abstract
Understanding the protein-secretion dynamics from single, specific tissues is critical toward the advancement of disease detection and treatments. However, such secretion dynamics remain difficult to measure in vivo due to the uncontrolled contributions from other tissue populations. Here, we describe an integrated platform designed for the reliable, near real-time measurements of cytokines secreted from an in vitro single-tissue model. In our setup, we grow 3D biomimetic tissues to discretize cytokine source, and we separate them from a magnetic microbead-based biosensing system using a Transwell insert. This design integrates physiochemically controlled biological activity, high-sensitivity protein detection (LOD < 20 pg mL-1), and rapid protein diffusion to enable non-invasive, near real-time measurements. To showcase the specificity and sensitivity of the system, we use our setup to probe the inflammatory process related to the protein Interleukine 6 (IL-6) and to the Tumor Necrosis Factor (TNF-α). We show that our setup can monitor the time-dependence profile of IL-6 and TNF-α secretion that results from the electrical and chemical stimulation of 3D skeletal muscle tissues. We demonstrate a novel and affordable methodology for discretizing the secretion kinetics of specific tissues for advancing metabolic-disorder studies and drug-screening applications.
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Affiliation(s)
| | | | - Xiomara Fernández-Garibay
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Baldiri Reixac 10-12, 08028, Barcelona, Spain
| | - María Alejandra Ortega
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Baldiri Reixac 10-12, 08028, Barcelona, Spain
| | - Jordina Balaguer
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Baldiri Reixac 10-12, 08028, Barcelona, Spain
| | - Javier Ramón-Azcón
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology, Baldiri Reixac 10-12, 08028, Barcelona, Spain
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17
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Nakayama KH, Shayan M, Huang NF. Engineering Biomimetic Materials for Skeletal Muscle Repair and Regeneration. Adv Healthc Mater 2019; 8:e1801168. [PMID: 30725530 PMCID: PMC6589032 DOI: 10.1002/adhm.201801168] [Citation(s) in RCA: 50] [Impact Index Per Article: 10.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2018] [Revised: 12/21/2018] [Indexed: 11/12/2022]
Abstract
Although skeletal muscle is highly regenerative following injury or disease, endogenous self-regeneration is severely impaired in conditions of volume traumatic muscle loss. Consequently, tissue engineering approaches are a promising means to regenerate skeletal muscle. Biological scaffolds serve as not only structural support for the promotion of cellular ingrowth but also impart potent modulatory signaling cues that may be beneficial for tissue regeneration. In this work, the progress of tissue engineering approaches for skeletal muscle engineering and regeneration is overviewed, with a focus on the techniques to create biomimetic engineered tissue using extracellular cues. These factors include mechanical and electrical stimulation, geometric patterning, and delivery of growth factors or other bioactive molecules. The progress of evaluating the therapeutic efficacy of these approaches in preclinical models of muscle injury is further discussed.
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Affiliation(s)
- Karina H Nakayama
- Department of Cardiothoracic Surgery, Stanford University, Stanford, CA, 94305, USA
- Veterans Affairs Palo Alto Health Care System, 3801 Miranda Avenue, Palo Alto, CA, 94304, USA
- The Stanford Cardiovascular Institute, Stanford University, Stanford, CA, 94305, USA
| | - Mahdis Shayan
- Department of Cardiothoracic Surgery, Stanford University, Stanford, CA, 94305, USA
- Veterans Affairs Palo Alto Health Care System, 3801 Miranda Avenue, Palo Alto, CA, 94304, USA
- The Stanford Cardiovascular Institute, Stanford University, Stanford, CA, 94305, USA
| | - Ngan F Huang
- Department of Cardiothoracic Surgery, Stanford University, Stanford, CA, 94305, USA
- Veterans Affairs Palo Alto Health Care System, 3801 Miranda Avenue, Palo Alto, CA, 94304, USA
- The Stanford Cardiovascular Institute, Stanford University, Stanford, CA, 94305, USA
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