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Hahn O, Peters K, Hartmann A, Dannenberger D, Kalbe C. Potential of animal-welfare compliant and sustainably sourced serum from pig slaughter blood. Cell Tissue Res 2024:10.1007/s00441-024-03904-8. [PMID: 38990342 DOI: 10.1007/s00441-024-03904-8] [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: 12/21/2023] [Accepted: 07/04/2024] [Indexed: 07/12/2024]
Abstract
The animal product most used as a stimulatory additive for cell cultivation is still fetal bovine serum (FBS). Besides the ethical concerns regarding serum collection, the main problems of FBS are batch-to-batch variability and the resulting risk of lower reproducibility, the differences between species, the presence of undefined/unknown components, and the risk of contamination. In contrast, pig blood, which is a by-product of slaughter, is a sufficiently available and sustainable resource with a high degree of standardization in terms of donor age, weight, and genetics. The variations in preparations from pig slaughter blood seem to be comparatively low, and consequently, batch effects might be much smaller, suggesting that the reproducibility of the research data obtained may be increased. Our pilot study aimed to investigate, as a proof of concept, whether adult human and porcine stem cells of different tissue origins proliferate and differentiate adequately when FBS is completely or partially replaced by porcine serum (PS). We could show that the human and porcine stem cells were vital and proliferated under partial and full PS supplementation. Furthermore, using PS, the two cell types studied showed tissue-specific differentiation (i.e., lipid vacuoles as a sign of adipogenic or myotubes as a sign of myogenic differentiation). In conclusion, the pig slaughter blood-derived serum has promising potential to be a replacement for FBS in adult stem cell cultures. Therefore, it could serve as a basis for the development of new cell culture supplements.
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Affiliation(s)
- Olga Hahn
- Institute for Cell Biology, University Medical Center Rostock, Rostock, Germany
| | - Kirsten Peters
- Institute for Cell Biology, University Medical Center Rostock, Rostock, Germany
| | - Alexander Hartmann
- Institute of Clinical Chemistry and Laboratory Medicine, University Medical Center Rostock, Rostock, Germany
| | - Dirk Dannenberger
- Research Institute for Farm Animal Biology (FBN), Wilhelm-Stahl-Allee 2, D-18196, Dummerstorf, Germany
| | - Claudia Kalbe
- Research Institute for Farm Animal Biology (FBN), Wilhelm-Stahl-Allee 2, D-18196, Dummerstorf, Germany.
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2
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Olenic M, Deelkens C, Heyman E, De Vlieghere E, Zheng X, van Hengel J, De Schauwer C, Devriendt B, De Smet S, Thorrez L. Review: Livestock cell types with myogenic differentiation potential: Considerations for the development of cultured meat. Animal 2024:101242. [PMID: 39097434 DOI: 10.1016/j.animal.2024.101242] [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: 12/08/2023] [Revised: 06/27/2024] [Accepted: 07/02/2024] [Indexed: 08/05/2024] Open
Abstract
With the current environmental impact of large-scale animal production and societal concerns about the welfare of farm animals, researchers are questioning whether we can cultivate animal cells for the purpose of food production. This review focuses on a pivotal aspect of the cellular agriculture domain: cells. We summarised information on the various cell types from farm animals currently used for the development of cultured meat, including mesenchymal stromal cells, myoblasts, and pluripotent stem cells. The review delves into the advantages and limitations of each cell type and considers factors like the selection of the appropriate cell source, as well as cell culture conditions that influence cell performance. As current research in cultured meat seeks to create muscle fibers to mimic the texture and nutritional profile of meat, we focused on the myogenic differentiation capacity of the cells. The most commonly used cell type for this purpose are myoblasts or satellite cells, but given their limited proliferation capacity, efforts are underway to formulate myogenic differentiation protocols for mesenchymal stromal cells and pluripotent stem cells. The multipotent character of the latter cell types might enable the creation of other tissues found in meat, such as adipose and connective tissues. This review can help guiding the selection of a cell type or culture conditions in the context of cultured meat development.
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Affiliation(s)
- M Olenic
- Tissue Engineering Lab, Department of Development and Regeneration, KU Leuven Campus Kulak, Kortrijk, Belgium; Veterinary Stem Cell Research Unit, Department of Translational Physiology, Infectiology and Public Health, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - C Deelkens
- Tissue Engineering Lab, Department of Development and Regeneration, KU Leuven Campus Kulak, Kortrijk, Belgium; Medical Cell Biology, Department of Human Structure and Repair, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium
| | - E Heyman
- Veterinary Stem Cell Research Unit, Department of Translational Physiology, Infectiology and Public Health, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - E De Vlieghere
- Tissue Engineering Lab, Department of Development and Regeneration, KU Leuven Campus Kulak, Kortrijk, Belgium; Polymer Chemistry and Biomaterials Group, Centre of Macromolecular Chemistry, Ghent University, Belgium
| | - X Zheng
- Tissue Engineering Lab, Department of Development and Regeneration, KU Leuven Campus Kulak, Kortrijk, Belgium
| | - J van Hengel
- Medical Cell Biology, Department of Human Structure and Repair, Faculty of Medicine and Health Sciences, Ghent University, Ghent, Belgium
| | - C De Schauwer
- Veterinary Stem Cell Research Unit, Department of Translational Physiology, Infectiology and Public Health, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - B Devriendt
- Laboratory of Immunology, Department of Translational Physiology, Infectiology and Public Health, Faculty of Veterinary Medicine, Ghent University, Merelbeke, Belgium
| | - S De Smet
- Laboratory for Animal Nutrition and Animal Product Quality, Department of Animal Sciences and Aquatic Ecology, Faculty of Bioscience Engineering, Ghent University, Ghent, Belgium
| | - L Thorrez
- Tissue Engineering Lab, Department of Development and Regeneration, KU Leuven Campus Kulak, Kortrijk, Belgium.
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Hong TK, Do JT. Generation of Chicken Contractile Skeletal Muscle Structure Using Decellularized Plant Scaffolds. ACS Biomater Sci Eng 2024; 10:3500-3512. [PMID: 38563398 DOI: 10.1021/acsbiomaterials.3c01625] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 04/04/2024]
Abstract
Cultured meat is a meat analogue produced by in vitro cell culture, which can replace the conventional animal production system. Tissue engineering using myogenic cells and biomaterials is a core technology for cultured meat production. In this study, we provide an efficient and economical method to produce skeletal muscle tissue-like structures by culturing chicken myoblasts in a fetal bovine serum (FBS)-free medium and plant-derived scaffolds. An FBS-free medium supplemented with 10% horse serum (HS) and 5% chick embryo extract (CEE) was suitable for the proliferation and differentiation of chicken myoblasts. Decellularized celery scaffolds (Decelery), manufactured using 1% sodium dodecyl sulfate (SDS), were nontoxic to cells and supported myoblast proliferation and differentiation. Decelery could support the 3D culture of chicken myoblasts, which could adhere and coagulate to the surface of the Decelery and form MYH1E+ and F-actin+ myotubes. After 2 weeks of culture on Decelery, fully grown myoblasts completely covered the surface of the scaffolds and formed fiber-like myotube structures. They further differentiated to form spontaneously contracting myofiber-like myotubes on the scaffold surface, indicating that the Decelery scaffold system could support the formation of a functional mature myofiber structure. In addition, as the spontaneously contracting myofibers did not detach from the surface of the Decelery, the Decelery system is a suitable biomaterial for the long-term culture and maintenance of the myofiber structures.
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Affiliation(s)
- Tae Kyung Hong
- Department of Stem Cell and Regenerative Biotechnology, Konkuk Institute of Technology, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea
- 3D Tissue Culture Research Center, Konkuk University, Seoul 05029, Republic of Korea
| | - Jeong Tae Do
- Department of Stem Cell and Regenerative Biotechnology, Konkuk Institute of Technology, Konkuk University, 120 Neungdong-ro, Gwangjin-gu, Seoul 05029, Republic of Korea
- 3D Tissue Culture Research Center, Konkuk University, Seoul 05029, Republic of Korea
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Huang J, Xiong X, Zhang W, Chen X, Wei Y, Li H, Xie J, Wei Q, Zhou Q. Integrating miRNA and full-length transcriptome profiling to elucidate the mechanism of muscle growth in Muscovy ducks reveals key roles for miR-301a-3p/ANKRD1. BMC Genomics 2024; 25:340. [PMID: 38575872 PMCID: PMC10993543 DOI: 10.1186/s12864-024-10138-z] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/18/2023] [Accepted: 02/19/2024] [Indexed: 04/06/2024] Open
Abstract
BACKGROUND The popularity of Muscovy ducks is attributed not only to their conformation traits but also to their slightly higher content of breast and leg meat, as well as their stronger-tasting meat compared to that of typical domestic ducks. However, there is a lack of comprehensive systematic research on the development of breast muscle in Muscovy ducks. In addition, since the number of skeletal muscle myofibers is established during the embryonic period, this study conducted a full-length transcriptome sequencing and microRNA sequencing of the breast muscle. Muscovy ducks at four developmental stages, namely Embryonic Day 21 (E21), Embryonic Day 27 (E27), Hatching Day (D0), and Post-hatching Day 7 (D7), were used to isolate total RNA for analysis. RESULTS A total of 68,161 genes and 472 mature microRNAs were identified. In order to uncover deeper insights into the regulation of mRNA by miRNAs, we conducted an integration of the differentially expressed miRNAs (known as DEMs) with the differentially expressed genes (referred to as DEGs) across various developmental stages. This integration allowed us to make predictions regarding the interactions between miRNAs and mRNA. Through this analysis, we identified a total of 274 DEGs that may serve as potential targets for the 68 DEMs. In the predicted miRNA‒mRNA interaction networks, let-7b, miR-133a-3p, miR-301a-3p, and miR-338-3p were the hub miRNAs. In addition, multiple DEMs also showed predicted target relationships with the DEGs associated with skeletal system development. These identified DEGs and DEMs as well as their predicted interaction networks involved in the regulation of energy homeostasis and muscle development were most likely to play critical roles in facilitating the embryo-to-hatchling transition. A candidate miRNA, miR-301a-3p, exhibited increased expression during the differentiation of satellite cells and was downregulated in the breast muscle tissues of Muscovy ducks at E21 compared to E27. A dual-luciferase reporter assay suggested that the ANKRD1 gene, which encodes a transcription factor, is a direct target of miR-301a-3p. CONCLUSIONS miR-301a-3p suppressed the posttranscriptional activity of ANKRD1, which is an activator of satellite cell proliferation, as determined with gain- and loss-of-function experiments. miR-301a-3p functions as an inducer of myogenesis by targeting the ANKRD1 gene in Muscovy ducks. These results provide novel insights into the early developmental process of black Muscovy breast muscles and will improve understanding of the underlying molecular mechanisms.
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Affiliation(s)
- Jiangnan Huang
- Institute of Animal Husbandry and Veterinary Medicine, Jiangxi Academy of Agricultural Sciences, Nanchang, 330200, China
| | - Xiaolan Xiong
- Institute of Animal Husbandry and Veterinary Medicine, Jiangxi Academy of Agricultural Sciences, Nanchang, 330200, China
| | - Weihong Zhang
- Institute of Animal Husbandry and Veterinary Medicine, Jiangxi Academy of Agricultural Sciences, Nanchang, 330200, China
| | - Xiaolian Chen
- Institute of Animal Husbandry and Veterinary Medicine, Jiangxi Academy of Agricultural Sciences, Nanchang, 330200, China
| | - Yue Wei
- Institute of Animal Husbandry and Veterinary Medicine, Jiangxi Academy of Agricultural Sciences, Nanchang, 330200, China
| | - Haiqin Li
- Institute of Animal Husbandry and Veterinary Medicine, Jiangxi Academy of Agricultural Sciences, Nanchang, 330200, China
| | - Jinfang Xie
- Institute of Animal Husbandry and Veterinary Medicine, Jiangxi Academy of Agricultural Sciences, Nanchang, 330200, China
| | - Qipeng Wei
- Institute of Animal Husbandry and Veterinary Medicine, Jiangxi Academy of Agricultural Sciences, Nanchang, 330200, China.
| | - Quanyong Zhou
- Institute of Animal Husbandry and Veterinary Medicine, Jiangxi Academy of Agricultural Sciences, Nanchang, 330200, China.
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5
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Zheng YY, Hu ZN, Zhou GH. A review: analysis of technical challenges in cultured meat production and its commercialization. Crit Rev Food Sci Nutr 2024:1-18. [PMID: 38384235 DOI: 10.1080/10408398.2024.2315447] [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: 02/23/2024]
Abstract
The cultured meat technology has developed rapidly in recent years, but there are still many technical challenges that hinder the large-scale production and commercialization of cultured meat. Firstly, it is necessary to lay the foundation for cultured meat production by obtaining seed cells and maintaining stable cell functions. Next, technologies such as bioreactors are used to expand the scale of cell culture, and three-dimensional culture technologies such as scaffold culture or 3D printing are used to construct the three-dimensional structure of cultured meat. At the same time, it can reduce production costs by developing serum-free medium suitable for cultured meat. Finally, the edible quality of cultured meat is improved by evaluating food safety and sensory flavor, and combining ethical and consumer acceptability issues. Therefore, this review fully demonstrates the current development status and existing technical challenges of the cultured meat production technology with regard to the key points described above, in order to provide research ideas for the industrial production of cultured meat.
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Affiliation(s)
- Yan-Yan Zheng
- College of Food Science and Technology, Nanjing Agricultural University, National Center of Meat Quality and Safety Nanjing, MOST, Key Laboratory of Meat Processing and Quality Control, MOE, Key Laboratory of Meat Processing, MOA, Nanjing, P.R. China
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, China
| | - Ze-Nan Hu
- College of Food Science and Technology, Nanjing Agricultural University, National Center of Meat Quality and Safety Nanjing, MOST, Key Laboratory of Meat Processing and Quality Control, MOE, Key Laboratory of Meat Processing, MOA, Nanjing, P.R. China
| | - Guang-Hong Zhou
- College of Food Science and Technology, Nanjing Agricultural University, National Center of Meat Quality and Safety Nanjing, MOST, Key Laboratory of Meat Processing and Quality Control, MOE, Key Laboratory of Meat Processing, MOA, Nanjing, P.R. China
- College of Food Science and Technology, Nanjing Agricultural University, Nanjing, China
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6
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Miretti S, Manenti I, Toschi P, Macchi E, Martignani E, Accornero P, Baratta M. Bovine Skeletal Muscle Satellite Cells: Isolation, Growth, and Differentiation. Methods Mol Biol 2024; 2749:165-174. [PMID: 38133783 DOI: 10.1007/978-1-0716-3609-1_15] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/23/2023]
Abstract
Skeletal muscle in cattle occupies a large part of the animal's body mass and develops into an important source of nutrients for human nutrition. Recently, the attention on bovine myogenic cells is increased to develop strategies of cultured in vitro meat as an alternative food source, more sustainable, ethical, and healthy than traditional meat production. At present, investigating the proliferation and differentiation of bovine skeletal muscle myogenic cells in vitro maintains its importance in the study of the mechanisms underlying the physiological and pathological events affecting the skeletal muscle, but it is of particular interest in animal husbandry and the food industry fields.In cell-based biological research, cell lines are one of the favored experimental tools because a population of cells could proliferate indefinitely in vitro under different stimuli, but they are limited to addressing the relevant biological properties of a cell population. On the other hand, primary cells from normal animal tissues undergo a limited number of divisions in vitro before they enter senescence but preserve their original characteristics and functions, and researchers can acquire the opportunity to study the individual donors and not just cells.In this chapter, we provide a basic protocol to isolate satellite cells from the skeletal muscle of cattle to obtain a good number of myogenic cells that can grow in in vitro conditions and undergo multiple rounds of cell division (myoblasts) before entering differentiation (myotubes). Furthermore, the robust expansion of these cells leads to the possibility to investigate physiological events or disorders related to the skeletal muscle tissue.
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Affiliation(s)
- Silvia Miretti
- Department of Veterinary Sciences, University of Torino, Turin, Italy.
| | - Isabella Manenti
- Department of Veterinary Sciences, University of Torino, Turin, Italy
| | - Paola Toschi
- Department of Veterinary Sciences, University of Torino, Turin, Italy
| | - Elisabetta Macchi
- Department of Veterinary Sciences, University of Torino, Turin, Italy
| | | | - Paolo Accornero
- Department of Veterinary Sciences, University of Torino, Turin, Italy
| | - Mario Baratta
- Department of Chemistry, Life Sciences and Environmental Sustainability, University of Parma, Parma, Italy
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7
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Ke S, Feng Y, Luo L, Qin W, Liu H, Nie J, Liang B, Ma H, Xie M, Li J, Niu Z, Li G, Tang A, Xia W, He G. Isolation, identification, and induced differentiation of satellite cells from skeletal muscle of adult tree shrews. In Vitro Cell Dev Biol Anim 2024; 60:36-53. [PMID: 38127228 DOI: 10.1007/s11626-023-00836-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2023] [Accepted: 11/29/2023] [Indexed: 12/23/2023]
Abstract
A method for the in vitro isolation, purification, identification, and induced differentiation of satellite cells from adult tree shrew skeletal muscle was established. The mixed enzyme digestion method and differential adhesion method were used to obtain skeletal muscle satellite cells, which were identified and induced to differentiate to verify their pluripotency. The use of a mixture of collagenase II, hyaluronidase IV, and DNase I is an efficient method for isolating adult tree shrew skeletal muscle satellite cells. The P3 generation of cells had good morphology, rapid proliferation, high viability, and an "S"-shaped growth curve. Reverse transcription-polymerase chain reaction (RT-PCR) and immunofluorescence staining indicated that marker genes or proteins were expressed in skeletal muscle satellite cells. After myogenic differentiation was induced, multiple-nucleated myotubes were observed, and the MyHC protein was expressed. The expression of myogenic marker genes changed with the differentiation process. After the induction of adipogenic differentiation, orange-red lipid droplets were observed, and the expression of adipogenic marker genes increased gradually with the differentiation process. In summary, satellite cells from adult tree shrew skeletal muscle were successfully isolated using a mixed enzyme digestion method, and their potential for differentiation into myogenic and adipogenic cells was confirmed, laying a foundation for further in vitro study of tree shrew muscle damage.
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Affiliation(s)
- Shenghui Ke
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi, China
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor(Guangxi Medical University),Ministry of Education/Guangxi Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Nanning, 530021, Guangxi, China
| | - Yiwei Feng
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi, China
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor(Guangxi Medical University),Ministry of Education/Guangxi Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Nanning, 530021, Guangxi, China
| | - Liying Luo
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi, China
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor(Guangxi Medical University),Ministry of Education/Guangxi Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Nanning, 530021, Guangxi, China
| | - Wanzhao Qin
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi, China
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor(Guangxi Medical University),Ministry of Education/Guangxi Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Nanning, 530021, Guangxi, China
| | - Huayu Liu
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi, China
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor(Guangxi Medical University),Ministry of Education/Guangxi Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Nanning, 530021, Guangxi, China
| | - Jingchong Nie
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi, China
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor(Guangxi Medical University),Ministry of Education/Guangxi Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Nanning, 530021, Guangxi, China
| | - Beijiang Liang
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi, China
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor(Guangxi Medical University),Ministry of Education/Guangxi Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Nanning, 530021, Guangxi, China
| | - Hongjie Ma
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi, China
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor(Guangxi Medical University),Ministry of Education/Guangxi Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Nanning, 530021, Guangxi, China
| | - Mao Xie
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi, China
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor(Guangxi Medical University),Ministry of Education/Guangxi Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Nanning, 530021, Guangxi, China
| | - Jingyu Li
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi, China
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor(Guangxi Medical University),Ministry of Education/Guangxi Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Nanning, 530021, Guangxi, China
| | - Zhijie Niu
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi, China
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor(Guangxi Medical University),Ministry of Education/Guangxi Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Nanning, 530021, Guangxi, China
| | - Guojian Li
- Department of Radiotherapy, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi, China
| | - Anzhou Tang
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi, China
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor(Guangxi Medical University),Ministry of Education/Guangxi Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Nanning, 530021, Guangxi, China
| | - Wei Xia
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi, China.
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor(Guangxi Medical University),Ministry of Education/Guangxi Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Nanning, 530021, Guangxi, China.
| | - Guangyao He
- Department of Otorhinolaryngology Head and Neck Surgery, The First Affiliated Hospital of Guangxi Medical University, Nanning, 530021, Guangxi, China.
- Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor(Guangxi Medical University),Ministry of Education/Guangxi Key Laboratory of Early Prevention and Treatment for Regional High Frequency Tumor, Nanning, 530021, Guangxi, China.
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8
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Jara TC, Park K, Vahmani P, Van Eenennaam AL, Smith LR, Denicol AC. Stem cell-based strategies and challenges for production of cultivated meat. NATURE FOOD 2023; 4:841-853. [PMID: 37845547 DOI: 10.1038/s43016-023-00857-z] [Citation(s) in RCA: 5] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/01/2023] [Accepted: 09/05/2023] [Indexed: 10/18/2023]
Abstract
Cultivated meat scale-up and industrial production will require multiple stable cell lines from different species to recreate the organoleptic and nutritional properties of meat from livestock. In this Review, we explore the potential of stem cells to create the major cellular components of cultivated meat. By using developments in the fields of tissue engineering and biomedicine, we explore the advantages and disadvantages of strategies involving primary adult and pluripotent stem cells for generating cell sources that can be grown at scale. These myogenic, adipogenic or extracellular matrix-producing adult stem cells as well as embryonic or inducible pluripotent stem cells are discussed for their proliferative and differentiation capacity, necessary for cultivated meat. We examine the challenges for industrial scale-up, including differentiation and culture protocols, as well as genetic modification options for stem cell immortalization and controlled differentiation. Finally, we discuss stem cell-related safety and regulatory challenges for bringing cultivated meat to the marketplace.
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Affiliation(s)
- T C Jara
- Department of Animal Science, University of California Davis, Davis, CA, USA
| | - K Park
- Department of Animal Science, University of California Davis, Davis, CA, USA
| | - P Vahmani
- Department of Animal Science, University of California Davis, Davis, CA, USA
| | - A L Van Eenennaam
- Department of Animal Science, University of California Davis, Davis, CA, USA
| | - L R Smith
- Department of Neurobiology, Physiology and Behavior, University of California Davis, Davis, CA, USA.
| | - A C Denicol
- Department of Animal Science, University of California Davis, Davis, CA, USA
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9
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Conditionally immortalised equine skeletal muscle cell lines for in vitro analysis. Biochem Biophys Rep 2022; 33:101391. [PMID: 36504704 PMCID: PMC9727643 DOI: 10.1016/j.bbrep.2022.101391] [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: 07/11/2022] [Revised: 11/10/2022] [Accepted: 11/15/2022] [Indexed: 12/12/2022] Open
Abstract
Background Thoroughbred racehorse performance is largely influenced by a major quantitative trait locus at the myostatin (MSTN) gene which determines aptitude for certain race distances due to a promoter region insertion mutation influencing functional phenotypes in skeletal muscle. To develop an in vitro system for functional experiments we established three novel equine skeletal muscle cell lines reflecting the variation in phenotype associated with MSTN genotype (CC/II, CT/IN and TT/NN for SNP g.66493737C > T/SINE insertion 227 bp polymorphism). Primary equine skeletal muscle myoblasts, isolated from Thoroughbred horse gluteus medius, were conditionally immortalised and evaluated to determine whether cell phenotype and metabolic function were comparable to functional characteristics previously reported for ex vivo skeletal muscle isolated from Thoroughbred horses with each genotype. Results Primary myoblasts conditionally immortalised with the temperature sensitive SV40TtsA58 lentivirus vector successfully proliferated and could revert to their primary cell phenotype and differentiate into multinucleated myotubes. Skeletal muscle fibre type, MSTN gene expression, mitochondrial abundance, and mitochondrial function of the three MSTN genotype cell lines, were consistent with equivalent characterisation of ex vivo skeletal muscle samples with these genotypes. Furthermore, addition of coenzyme Q10 (CoQ10) to the cell lines improved mitochondrial function, an observation consistent with ex vivo skeletal muscle samples with these genotypes following supplementation with CoQ10 in the diet. Conclusions The observation that the phenotypic characteristics and metabolic function of the cells lines are equivalent to ex vivo skeletal muscle indicates that this in vitro system will enable efficient and cost-effective analyses of equine skeletal muscle for a range of different applications including understanding metabolic function, testing of nutritional supplements, drug test development and gene doping test development. In the multi-billion-euro international Thoroughbred horse industry research advances in the biological function of skeletal muscle are likely to have considerable impact. Furthermore, this novel genotype-specific system may be adapted and applied to human biomedicine to improve understanding of the effects of myostatin in human physiology and medicine.
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10
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Srutee R, Sowmya RS, Annapure US. Clean meat: techniques for meat production and its upcoming challenges. Anim Biotechnol 2022; 33:1721-1729. [PMID: 33947302 DOI: 10.1080/10495398.2021.1911810] [Citation(s) in RCA: 7] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
Meat is traditionally obtained by sacrificing the animals. It is considered as one of the richest sources of proteins. There is an increasing demand for meat worldwide. It may not be possible to fulfill this demand for meat in future. Therefore, there is an urgent need to find out the alternative resources for proteins requirement shortly. Clean meat production is one of the best methods to be adopted as an alternative to traditional meat. The word 'clean' signifies that we can procure meat from animals without its monstrous slaughtering. Hence, it is prepared by isolating a single cell and culturing them in controlled growth conditions and medium that mimic the in vivo condition. It is not a brand new technology, but the tools for developing clean meat that mimics real meat have been technologically advanced recently. Many companies have marketed clean meat products worldwide from last five years. And it has been observed that there are mixed responses for its acceptance by consumers. The main driving forces for clean meat production derives from the concerns over environment, animal welfare, public and consumer health aspects of animal production, use of antibiotics in the animal industries, and food security. Since it's an upcoming meat production technology, there are many hurdles and challenges like nutritional attributes, flavor, shape, and structure compared to real meat. It requires many skills and understanding of muscle stem cells' regeneration and their growth under optimized scale-up production conditions. In this paper the complete details about clean meat, types of cells, and techniques used for its production has been discussed on a lab scale.
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Affiliation(s)
- Rout Srutee
- Department of Food Engineering and Technology, ICT, Mumbai, India
| | - R S Sowmya
- Department of Food Engineering and Technology, ICT, Mumbai, India
| | - Uday S Annapure
- Department of Food Engineering and Technology, ICT, Mumbai, India
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11
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Kim SH, Kim CJ, Lee EY, Son YM, Hwang YH, Joo ST. Optimal Pre-Plating Method of Chicken Satellite Cells for Cultured Meat Production. Food Sci Anim Resour 2022; 42:942-952. [PMID: 36415580 PMCID: PMC9647181 DOI: 10.5851/kosfa.2022.e61] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/21/2022] [Revised: 09/30/2022] [Accepted: 10/05/2022] [Indexed: 12/02/2023] Open
Abstract
To establish a pre-plating method of chicken satellite cells with high purity, pre-plating was performed under culture conditions of 37°C and 41°C, and the pre-plating time was set from a total of 3 hours to 6 hours in consideration of the cell attachment time. The purity of the cells was confirmed by staining paired box protein 7 (Pax7) after proliferation, and Pax7 expression was the highest in culture flasks shaken for 2 hours after incubation at 41°C for 2 hours to prevent the attachment of satellite cells (p<0.05). Also, when pre-plating and proliferation were performed at 37°C and 41°C, the Pax7 expression rate was higher at 41°C. The differentiation capabilities of the three groups (T3, T6, and T7) with high Pax7 expression were compared and the fusion index (%) and myotube formation area (%) determined by myosin heavy chain (MHC) staining was calculated. The T6 and T7 groups, which were cultured at 41°C, showed significantly higher values than the T3 group (p<0.05). There was no significant difference in the expression of Pax7 and MHC between the T6 and T7 groups (p>0.05). These results suggest that pre-plating at 41°C for a total of 4 hours was the most efficient in terms of cost and time for purifying chicken satellite cells for cultured meat.
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Affiliation(s)
- So-Hee Kim
- Division of Applied Life Science (BK21
Four), Gyeongsang National University, Jinju 52852,
Korea
| | - Chan-Jin Kim
- Division of Applied Life Science (BK21
Four), Gyeongsang National University, Jinju 52852,
Korea
| | - Eun-Yeong Lee
- Division of Applied Life Science (BK21
Four), Gyeongsang National University, Jinju 52852,
Korea
| | - Yu-Min Son
- Division of Applied Life Science (BK21
Four), Gyeongsang National University, Jinju 52852,
Korea
| | - Young-Hwa Hwang
- Institute of Agriculture & Life
Science, Gyeongsang National University, Jinju 52852,
Korea
| | - Seon-Tea Joo
- Division of Applied Life Science (BK21
Four), Gyeongsang National University, Jinju 52852,
Korea
- Institute of Agriculture & Life
Science, Gyeongsang National University, Jinju 52852,
Korea
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12
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Spent media analysis suggests cultivated meat media will require species and cell type optimization. NPJ Sci Food 2022; 6:46. [PMID: 36175443 PMCID: PMC9523075 DOI: 10.1038/s41538-022-00157-z] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/03/2022] [Accepted: 08/31/2022] [Indexed: 11/22/2022] Open
Abstract
Cell culture media design is perhaps the most significant hurdle currently facing the commercialization of cultivated meat as an alternative source of dietary protein. Since media optimization for a specific culture system requires a significant amount of effort and investment, a major question remaining is whether media formulations can be easily shared across multiple production schemes for cells of different species and lineages. Here, we perform spent medium analysis to compare the specific nutrient utilization of primary embryonic chicken muscle precursor cells and fibroblasts to the murine C2C12 myoblast cell line. We demonstrate that these related cell types have significantly different nutrient utilization patterns collectively and on a per-cell basis, and that many components of conventional media do not appear to be depleted by the cells. Namely, glucose was not consumed as rapidly nor as completely by the chicken muscle precursors compared to other cells overall, and there were significant differences in specific consumption rates for several other key nutrients over the first day of culture. Ultimately, our results indicate that no one medium is likely ideal and cost effective to culture multiple cell types and that novel methods to streamline media optimization efforts will be important for the industry to develop.
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Takahashi H, Yoshida A, Gao B, Yamanaka K, Shimizu T. Harvest of quality-controlled bovine myogenic cells and biomimetic bovine muscle tissue engineering for sustainable meat production. Biomaterials 2022; 287:121649. [PMID: 35779482 DOI: 10.1016/j.biomaterials.2022.121649] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Revised: 05/19/2022] [Accepted: 06/22/2022] [Indexed: 11/20/2022]
Abstract
Alternative technology for meat production holds the potential to alleviate ethical, environmental, and public health concerns associated with conventional meat production. Cultured meat produced using cell culture technology promises to become a viable alternative to animal-raised meat for the future of the food industry. In this study, biomimetic bovine muscle tissue was artificially fabricated from myogenic cells extracted from bovine meat. Our primary culture method relies on three key factors; a sequential digesting process, enzymatic treatment with pronase, and coating with laminin fragment on culture dishes. This method allows the efficient collection of large numbers of primary cells from bovine cheek meat, purifies the myogenic cells from the cell mixture, and then continuously grows the myogenic cells in vitro. In addition, using our "quality control" methods, we were able to determine the "cell quality", including the proliferative and differentiation capability in each step of the primary culture. Furthermore, to mimic native bovine meat, the quality-controlled bovine myogenic cells were cultured on a micropatterned thermoresponsive substrate stimulating a native-like aligned structure of cells, which were then transferred onto a fibrin-based gel. This gel-based culture environment promoted structural and functional maturation of the myogenic cells, resulting in the production of bovine muscle tissues with sarcomere structures, native-like membrane structures, and contractile ability. We believe that these biomimetic features of "tissue-engineered meat" are important for the production of future cultured meat, which will need native-like nutrients, texture and taste. Therefore, our meat production approach will provide a new platform to produce more native biomimetic tissue-engineered meat in the near future.
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Affiliation(s)
- Hironobu Takahashi
- Institute of Advanced Biomedical Engineering and Science, Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo 162-8666 Japan.
| | - Azumi Yoshida
- Institute of Advanced Biomedical Engineering and Science, Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo 162-8666 Japan
| | - Botao Gao
- Institute of Advanced Biomedical Engineering and Science, Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo 162-8666 Japan
| | - Kumiko Yamanaka
- Institute of Advanced Biomedical Engineering and Science, Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo 162-8666 Japan
| | - Tatsuya Shimizu
- Institute of Advanced Biomedical Engineering and Science, Tokyo Women's Medical University, 8-1 Kawada-cho, Shinjuku-ku, Tokyo 162-8666 Japan
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Knežić T, Janjušević L, Djisalov M, Yodmuang S, Gadjanski I. Using Vertebrate Stem and Progenitor Cells for Cellular Agriculture, State-of-the-Art, Challenges, and Future Perspectives. Biomolecules 2022; 12:699. [PMID: 35625626 PMCID: PMC9138761 DOI: 10.3390/biom12050699] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/31/2022] [Revised: 05/01/2022] [Accepted: 05/07/2022] [Indexed: 12/19/2022] Open
Abstract
Global food systems are under significant pressure to provide enough food, particularly protein-rich foods whose demand is on the rise in times of crisis and inflation, as presently existing due to post-COVID-19 pandemic effects and ongoing conflict in Ukraine and resulting in looming food insecurity, according to FAO. Cultivated meat (CM) and cultivated seafood (CS) are protein-rich alternatives for traditional meat and fish that are obtained via cellular agriculture (CA) i.e., tissue engineering for food applications. Stem and progenitor cells are the building blocks and starting point for any CA bioprocess. This review presents CA-relevant vertebrate cell types and procedures needed for their myogenic and adipogenic differentiation since muscle and fat tissue are the primary target tissues for CM/CS production. The review also describes existing challenges, such as a need for immortalized cell lines, or physical and biochemical parameters needed for enhanced meat/fat culture efficiency and ways to address them.
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Affiliation(s)
- Teodora Knežić
- Center for Biosystems, BioSense Institute, University of Novi Sad, Dr. Zorana Djindjica 1, 21000 Novi Sad, Serbia; (T.K.); (L.J.); (M.D.)
| | - Ljiljana Janjušević
- Center for Biosystems, BioSense Institute, University of Novi Sad, Dr. Zorana Djindjica 1, 21000 Novi Sad, Serbia; (T.K.); (L.J.); (M.D.)
| | - Mila Djisalov
- Center for Biosystems, BioSense Institute, University of Novi Sad, Dr. Zorana Djindjica 1, 21000 Novi Sad, Serbia; (T.K.); (L.J.); (M.D.)
| | - Supansa Yodmuang
- Research Affairs, Faculty of Medicine, Chulalongkorn University, 1873 Rama 4 Rd, Pathumwan, Bangkok 10330, Thailand;
| | - Ivana Gadjanski
- Center for Biosystems, BioSense Institute, University of Novi Sad, Dr. Zorana Djindjica 1, 21000 Novi Sad, Serbia; (T.K.); (L.J.); (M.D.)
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15
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Pajčin I, Knežić T, Savic Azoulay I, Vlajkov V, Djisalov M, Janjušević L, Grahovac J, Gadjanski I. Bioengineering Outlook on Cultivated Meat Production. MICROMACHINES 2022; 13:402. [PMID: 35334693 PMCID: PMC8950996 DOI: 10.3390/mi13030402] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/25/2022] [Revised: 02/21/2022] [Accepted: 02/23/2022] [Indexed: 02/04/2023]
Abstract
Cultured meat (also referred to as cultivated meat or cell-based meat)-CM-is fabricated through the process of cellular agriculture (CA), which entails application of bioengineering, i.e., tissue engineering (TE) principles to the production of food. The main TE principles include usage of cells, grown in a controlled environment provided by bioreactors and cultivation media supplemented with growth factors and other needed nutrients and signaling molecules, and seeded onto the immobilization elements-microcarriers and scaffolds that provide the adhesion surfaces necessary for anchor-dependent cells and offer 3D organization for multiple cell types. Theoretically, many solutions from regenerative medicine and biomedical engineering can be applied in CM-TE, i.e., CA. However, in practice, there are a number of specificities regarding fabrication of a CM product that needs to fulfill not only the majority of functional criteria of muscle and fat TE, but also has to possess the sensory and nutritional qualities of a traditional food component, i.e., the meat it aims to replace. This is the reason that bioengineering aimed at CM production needs to be regarded as a specific scientific discipline of a multidisciplinary nature, integrating principles from biomedical engineering as well as from food manufacturing, design and development, i.e., food engineering. An important requirement is also the need to use as little as possible of animal-derived components in the whole CM bioprocess. In this review, we aim to present the current knowledge on different bioengineering aspects, pertinent to different current scientific disciplines but all relevant for CM engineering, relevant for muscle TE, including different cell sources, bioreactor types, media requirements, bioprocess monitoring and kinetics and their modifications for use in CA, all in view of their potential for efficient CM bioprocess scale-up. We believe such a review will offer a good overview of different bioengineering strategies for CM production and will be useful to a range of interested stakeholders, from students just entering the CA field to experienced researchers looking for the latest innovations in the field.
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Affiliation(s)
- Ivana Pajčin
- Department of Biotechnology and Pharmaceutical Engineering, Faculty of Technology Novi Sad, University of Novi Sad, Bulevar cara Lazara 1, 21000 Novi Sad, Serbia; (I.P.); (V.V.); (J.G.)
| | - Teodora Knežić
- Center for Biosystems, BioSense Institute, University of Novi Sad, Dr Zorana Djindjica 1, 21000 Novi Sad, Serbia; (T.K.); (M.D.); (L.J.)
| | - Ivana Savic Azoulay
- Department of Human Molecular Genetics and Biochemistry, Sackler Faculty of Medicine, Tel Aviv University, Tel Aviv 69978, Israel;
| | - Vanja Vlajkov
- Department of Biotechnology and Pharmaceutical Engineering, Faculty of Technology Novi Sad, University of Novi Sad, Bulevar cara Lazara 1, 21000 Novi Sad, Serbia; (I.P.); (V.V.); (J.G.)
| | - Mila Djisalov
- Center for Biosystems, BioSense Institute, University of Novi Sad, Dr Zorana Djindjica 1, 21000 Novi Sad, Serbia; (T.K.); (M.D.); (L.J.)
| | - Ljiljana Janjušević
- Center for Biosystems, BioSense Institute, University of Novi Sad, Dr Zorana Djindjica 1, 21000 Novi Sad, Serbia; (T.K.); (M.D.); (L.J.)
| | - Jovana Grahovac
- Department of Biotechnology and Pharmaceutical Engineering, Faculty of Technology Novi Sad, University of Novi Sad, Bulevar cara Lazara 1, 21000 Novi Sad, Serbia; (I.P.); (V.V.); (J.G.)
| | - Ivana Gadjanski
- Center for Biosystems, BioSense Institute, University of Novi Sad, Dr Zorana Djindjica 1, 21000 Novi Sad, Serbia; (T.K.); (M.D.); (L.J.)
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16
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Bovine Satellite Cells Isolated after 2 and 5 Days of Tissue Storage Maintain the Proliferative and Myogenic Capacity Needed for Cultured Meat Production. Int J Mol Sci 2021; 22:ijms22168376. [PMID: 34445082 PMCID: PMC8395070 DOI: 10.3390/ijms22168376] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/23/2021] [Revised: 07/26/2021] [Accepted: 07/28/2021] [Indexed: 01/03/2023] Open
Abstract
Cultured meat is an emerging alternative food technology which aims to deliver a more ethical, sustainable, and healthy muscle-tissue-derived food item compared to conventional meat. As start-up companies are rapidly forming and accelerating this technology, many aspects of this multi-faceted science have still not been investigated in academia. In this study, we investigated if bovine satellite cells with the ability to proliferate and undergo myogenic differentiation could be isolated after extended tissue storage, for the purpose of increasing the practicality for cultured meat production. Proliferation of bovine satellite cells isolated on the day of arrival or after 2 and 5 days of tissue storage were analyzed by metabolic and DNA-based assays, while their myogenic characteristics were investigated using RT-qPCR and immunofluorescence. Extended tissue storage up to 5 days did not negatively affect proliferation nor the ability to undergo fusion and create myosin heavy chain-positive myotubes. The expression patterns of myogenic and muscle-specific genes were also not affected after tissue storage. In fact, the data indicated a positive trend in terms of myogenic potential after tissue storage, although it was non-significant. These results suggest that the timeframe of which viable myogenic satellite cells can be isolated and used for cultured meat production can be greatly extended by proper tissue storage.
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17
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Jairath G, Mal G, Gopinath D, Singh B. A holistic approach to access the viability of cultured meat: A review. Trends Food Sci Technol 2021. [DOI: 10.1016/j.tifs.2021.02.024] [Citation(s) in RCA: 26] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
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18
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Young KG, Vanderboor CM, Regnault TRH, Guglielmo CG. Species-specific metabolic responses of songbird, shorebird, and murine cultured myotubes to n-3 polyunsaturated fatty acids. Am J Physiol Regul Integr Comp Physiol 2020; 320:R362-R376. [PMID: 33356878 DOI: 10.1152/ajpregu.00249.2020] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
Migratory birds may benefit from diets rich in polyunsaturated fatty acids (PUFAs) that could improve exercise performance. Previous investigations suggest that different types of birds may respond differently to PUFA. We established muscle myocyte cell culture models from muscle satellite cells of a migratory passerine songbird (yellow-rumped warbler, Setophaga coronata coronata) and a nonpasserine shorebird (sanderling, Calidris alba). We differentiated and treated avian myotubes and immortalized murine C2C12 myotubes with n-3 PUFA docosahexaenoic acid (DHA) and eicosapentaenoic acid (EPA), and with monounsaturated oleic acid (OA) to compare effects on aerobic performance, metabolic enzyme activities, key fatty acid (FA) transporters, and expression of peroxisome proliferator-activated receptors (PPARs). Sanderling and C2C12 myotubes increased expression of PPARs with n-3 PUFA treatments, whereas expression was unchanged in yellow-rumped warblers. Both sanderlings and yellow-rumped warblers increased expression of fatty acid transporters, whereas C2C12 cells decreased expression following n-3 PUFA treatments. Only yellow-rumped warbler myotubes increased expression of some metabolic enzymes, whereas the sanderling and C2C12 cells were unchanged. PUFA supplementation in C2C12 myotubes increased mitochondrial respiratory chain efficiency, whereas sanderlings increased proton leak-associated respiration and maximal respiration (measurements were not made in warblers). This research indicates that songbirds and shorebirds respond differently to n-3 PUFA and provides support for the hypothesis that n-3 PUFA increase the aerobic capacity of migrant shorebird muscle, which may improve overall endurance flight performance.
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Affiliation(s)
- Kevin G Young
- Department of Biology, Advanced Facility for Avian Research, Western University, London, Ontario, Canada
| | - Christina M Vanderboor
- Department of Physiology and Pharmacology, Schulich School of Medicine and Dentistry, Western University, London, Ontario, Canada
| | - Timothy R H Regnault
- Department of Physiology and Pharmacology, Schulich School of Medicine and Dentistry, Western University, London, Ontario, Canada.,Department of Obstetrics and Gynaecology, Schulich School of Medicine and Dentistry, Western University, London, Ontario, Canada.,Children's Health Research Institute, Lawson Health Research Institute, London, Ontario, Canada
| | - Christopher G Guglielmo
- Department of Biology, Advanced Facility for Avian Research, Western University, London, Ontario, Canada
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19
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Wang H, He K, Zeng X, Zhou X, Yan F, Yang S, Zhao A. Isolation and identification of goose skeletal muscle satellite cells and preliminary study on the function of C1q and tumor necrosis factor-related protein 3 gene. Anim Biosci 2020; 34:1078-1087. [PMID: 33152229 PMCID: PMC8100491 DOI: 10.5713/ajas.20.0430] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/19/2020] [Accepted: 09/02/2020] [Indexed: 11/30/2022] Open
Abstract
Objective Skeletal muscle satellite cells (SMSCs) are significant for the growth, regeneration, and maintenance of skeletal muscle after birth. However, currently, few studies have been performed on the isolation, culture and inducing differentiation of goose muscle satellite cells. Previous studies have shown that C1q and tumor necrosis factor-related protein 3 (CTRP3) participated in the process of muscle growth and development, but its role in the goose skeletal muscle development is not yet clear. This study aimed to isolate, culture, and identify the goose SMSCs in vitro. Additionally, to explore the function of CTRP3 in goose SMSCs. Methods Goose SMSCs were isolated using 0.25% trypsin from leg muscle (LM) of 15 to 20 day fertilized goose eggs. Cell differentiation was induced by transferring the cells to differentiation medium with 2% horse serum and 1% penicillin streptomycin. Immunofluorescence staining of Desmin and Pax7 was used to identify goose SMSCs. Quantitative realtime polymerase chain reaction and western blot were applied to explore developmental expression profile of CTRP3 in LM and the regulation of CTRP3 on myosin heavy chains (MyHC), myogenin (MyoG) expression and Notch signaling pathway related genes expression. Results The goose SMSCs were successfully isolated and cultured. The expression of Pax7 and Desmin were observed in the isolated cells. The expression of CTRP3 decreased significantly during leg muscle development. Overexpression of CTRP3 could enhance the expression of two myogenic differentiation marker genes, MyHC and MyoG. But knockdown of CTRP3 suppressed their expression. Furthermore, CTRP3 could repress the mRNA level of Notch signaling pathway-related genes, notch receptor 1, notch receptor 2 and hairy/enhancer-of-split related with YRPW motif 1, which previously showed a negative regulation in myoblast differentiation. Conclusion These findings provide a useful cell model for the future research on goose muscle development and suggest that CTRP3 may play an essential role in skeletal muscle growth of goose.
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Affiliation(s)
- Han Wang
- Key Laboratory of Applied Technology on Green-Eco Healthy Animal Husbandry of Zhejiang Province, College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang A&F University, Zhejiang 311300, China
| | - Ke He
- Key Laboratory of Applied Technology on Green-Eco Healthy Animal Husbandry of Zhejiang Province, College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang A&F University, Zhejiang 311300, China
| | - Xuehua Zeng
- Key Laboratory of Applied Technology on Green-Eco Healthy Animal Husbandry of Zhejiang Province, College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang A&F University, Zhejiang 311300, China
| | - Xiaolong Zhou
- Key Laboratory of Applied Technology on Green-Eco Healthy Animal Husbandry of Zhejiang Province, College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang A&F University, Zhejiang 311300, China
| | - Feifei Yan
- Key Laboratory of Applied Technology on Green-Eco Healthy Animal Husbandry of Zhejiang Province, College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang A&F University, Zhejiang 311300, China
| | - Songbai Yang
- Key Laboratory of Applied Technology on Green-Eco Healthy Animal Husbandry of Zhejiang Province, College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang A&F University, Zhejiang 311300, China
| | - Ayong Zhao
- Key Laboratory of Applied Technology on Green-Eco Healthy Animal Husbandry of Zhejiang Province, College of Animal Science and Technology, College of Veterinary Medicine, Zhejiang A&F University, Zhejiang 311300, China
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20
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Carrero-Rojas G, Benítez-Temiño B, Pastor AM, Davis López de Carrizosa MA. Muscle Progenitors Derived from Extraocular Muscles Express Higher Levels of Neurotrophins and their Receptors than other Cranial and Limb Muscles. Cells 2020; 9:cells9030747. [PMID: 32197508 PMCID: PMC7140653 DOI: 10.3390/cells9030747] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2020] [Revised: 03/02/2020] [Accepted: 03/17/2020] [Indexed: 01/19/2023] Open
Abstract
Extraocular muscles (EOMs) show resistance to muscle dystrophies and sarcopenia. It has been recently demonstrated that they are endowed with different types of myogenic cells, all of which present an outstanding regenerative potential. Neurotrophins are important modulators of myogenic regeneration and act promoting myoblast proliferation, enhancing myogenic fusion rates and protecting myotubes from inflammatory stimuli. Here, we adapted the pre-plate cell isolation technique to obtain myogenic progenitors from the rat EOMs, and quantified their in vitro expression of neurotrophins and their receptors by RT–qPCR and immunohistochemistry, respectively. The results were compared with the expression on progenitors isolated from buccinator, tongue and limb muscles. Our quantitative analysis of brain-derived neurotrophic factor (BDNF), nerve growth factor (NGF) and neurotrophin-3 (NT-3) transcripts showed, for the first time, that EOMs-derived cells express more of these factors and that they expressed TrkA, but not TrkB and TrkC receptors. On the contrary, the immunofluorescence analysis demonstrated high expression of p75NTR on all myogenic progenitors, with the EOMs-derived cells showing higher expression. Taken together, these results suggest that the intrinsic trophic differences between EOMs-derived myogenic progenitors and their counterparts from other muscles could explain why those cells show higher proliferative and fusion rates, as well as better regenerative properties.
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21
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Metzger K, Tuchscherer A, Palin MF, Ponsuksili S, Kalbe C. Establishment and validation of cell pools using primary muscle cells derived from satellite cells of pig skeletal muscle. In Vitro Cell Dev Biol Anim 2019; 56:193-199. [PMID: 31873830 PMCID: PMC7186252 DOI: 10.1007/s11626-019-00428-2] [Citation(s) in RCA: 21] [Impact Index Per Article: 4.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/06/2019] [Accepted: 12/04/2019] [Indexed: 11/28/2022]
Abstract
Primary cell cultures derived from satellite cells of skeletal muscle provide an appropriate in vitro model for proliferating myoblasts and differentiating myotubes for muscle biological research. These cell cultures may consist of harvested cells per animal or of a cell pool made of cells from several animals. However, cell pooling reduces the biological variability of the different cell donors. On the other hand, the use of cell pools offers an opportunity to use less donor tissue and to perform long-term projects with a broad spectrum of analysis and replications. In the literature, information about the donors of cell pools, the procedure used for pooling, and the characterization/validation of cell pools is often lacking. In this study, we established three cell pools consisting of M. rhomboideus or M. longissimus from ten or six piglets, each with one gender and medium birth weight. Real-time impedimetric monitoring was used to evaluate the proliferative growth behavior of myoblasts for the cell pools in comparison to their corresponding unpooled cells over a period of 72 h, with a measurement being taken every 30 min. For each of the tested cell pools, cell index, slope, and doubling time did not differ between the cell pool and the unpooled cells of the donor animals. Differentiation capacity and mRNA expression of PAX7, MYOD and MYOG remained unchanged between the cell pool and the unpooled cells. Current results support that the use of cell pools is an appropriate method to reflect the average proliferative growth behavior of unpooled cells.
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Affiliation(s)
- Katharina Metzger
- Institute of Muscle Biology and Growth, Leibniz Institute for Farm Animal Biology (FBN), Wilhelm-Stahl-Allee 2, D-18196, Dummerstorf, Germany.,Institute of Genome Biology, Leibniz Institute for Farm Animal Biology (FBN), Wilhelm-Stahl-Allee 2, D-18196, Dummerstorf, Germany
| | - Armin Tuchscherer
- Institute of Genetics and Biometry, Leibniz Institute for Farm Animal Biology (FBN), Wilhelm-Stahl-Allee 2, D-18196, Dummerstorf, Germany
| | - Marie-France Palin
- Sherbrooke Research & Development Centre, Agriculture and Agri-Food Canada (AAFC), Sherbrooke, Canada
| | - Siriluck Ponsuksili
- Institute of Genome Biology, Leibniz Institute for Farm Animal Biology (FBN), Wilhelm-Stahl-Allee 2, D-18196, Dummerstorf, Germany
| | - Claudia Kalbe
- Institute of Muscle Biology and Growth, Leibniz Institute for Farm Animal Biology (FBN), Wilhelm-Stahl-Allee 2, D-18196, Dummerstorf, Germany.
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22
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Najjar SA, Smith AST, Long CJ, McAleer CW, Cai Y, Srinivasan B, Martin C, Vandenburgh HH, Hickman JJ. A multiplexed in vitro assay system for evaluating human skeletal muscle functionality in response to drug treatment. Biotechnol Bioeng 2019; 117:736-747. [PMID: 31758543 DOI: 10.1002/bit.27231] [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: 06/07/2019] [Revised: 10/29/2019] [Accepted: 11/19/2019] [Indexed: 11/07/2022]
Abstract
In vitro systems that mimic organ functionality have become increasingly important tools in drug development studies. Systems that measure the functional properties of skeletal muscle are beneficial to compound screening studies and also for integration into multiorgan devices. To date, no studies have investigated human skeletal muscle responses to drug treatments at the single myotube level in vitro. This report details a microscale cantilever chip-based assay system for culturing individual human myotubes. The cantilevers, along with a laser and photo-detector system, enable measurement of myotube contractions in response to broad-field electrical stimulation. This system was used to obtain baseline functional parameters for untreated human myotubes, including peak contractile force and time-to-fatigue data. The cultured myotubes were then treated with known myotoxic compounds and the resulting functional changes were compared to baseline measurements as well as known physiological responses in vivo. The collected data demonstrate the system's capacity for screening direct effects of compound action on individual human skeletal myotubes in a reliable, reproducible, and noninvasive manner. Furthermore, it has the potential to be utilized for high-content screening, disease modeling, and exercise studies of human skeletal muscle performance utilizing iPSCs derived from specific patient populations such as the muscular dystrophies.
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Affiliation(s)
- Sarah A Najjar
- NanoScience Technology Center, University of Central Florida, Orlando, Florida
| | - Alexander S T Smith
- NanoScience Technology Center, University of Central Florida, Orlando, Florida
| | - Christopher J Long
- NanoScience Technology Center, University of Central Florida, Orlando, Florida
| | | | - Yunqing Cai
- NanoScience Technology Center, University of Central Florida, Orlando, Florida
| | - Balaji Srinivasan
- NanoScience Technology Center, University of Central Florida, Orlando, Florida
| | - Candace Martin
- NanoScience Technology Center, University of Central Florida, Orlando, Florida
| | - Herman H Vandenburgh
- Department of Pathology and Laboratory Medicine, Brown University, Providence, Rhode Island
| | - James J Hickman
- NanoScience Technology Center, University of Central Florida, Orlando, Florida
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23
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Mechanism and Functions of Identified miRNAs in Poultry Skeletal Muscle Development – A Review. ANNALS OF ANIMAL SCIENCE 2019. [DOI: 10.2478/aoas-2019-0049] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/16/2022]
Abstract
Abstract
Development of the skeletal muscle goes through several complex processes regulated by numerous genetic factors. Although much efforts have been made to understand the mechanisms involved in increased muscle yield, little work is done about the miRNAs and candidate genes that are involved in the skeletal muscle development in poultry. Comprehensive research of candidate genes and single nucleotide related to poultry muscle growth is yet to be experimentally unraveled. However, over a few periods, studies in miRNA have disclosed that they actively participate in muscle formation, differentiation, and determination in poultry. Specifically, miR-1, miR-133, and miR-206 influence tissue development, and they are highly expressed in the skeletal muscles. Candidate genes such as CEBPB, MUSTN1, MSTN, IGF1, FOXO3, mTOR, and NFKB1, have also been identified to express in the poultry skeletal muscles development. However, further researches, analysis, and comprehensive studies should be made on the various miRNAs and gene regulatory factors that influence the skeletal muscle development in poultry. The objective of this review is to summarize recent knowledge in miRNAs and their mode of action as well as transcription and candidate genes identified to regulate poultry skeletal muscle development.
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H3K27me3 Depletion during Differentiation Promotes Myogenic Transcription in Porcine Satellite Cells. Genes (Basel) 2019; 10:genes10030231. [PMID: 30893875 PMCID: PMC6471710 DOI: 10.3390/genes10030231] [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] [Received: 01/26/2019] [Revised: 02/23/2019] [Accepted: 03/11/2019] [Indexed: 12/13/2022] Open
Abstract
BACKGROUND Porcine skeletal muscle satellite cells play important roles in myogenesis and muscle regeneration. Integrated analysis of transcriptome and histone modifications would reveal epigenomic roles in promoting myogenic differentiation in swine. METHODS Porcine satellite cells (PSCs) were isolated and in-vitro cultured from newborn piglets. RNA Sequencing (RNA-Seq) and Chromatin Immunoprecipitation Sequencing (ChIP-Seq) experiments were performed using proliferating cells and terminal myotubes in order to interrogate the transcriptomic profiles, as well as the distribution of histone markers-H3K4me3, H3K27me3, and H3K27ac-and RNA polymerase II. RESULTS The study identified 917 differentially expressed genes during cell differentiation. The landscape of epigenetic marks was displayed on a genome-wide scale, which had globally shrunken. H3K27me3 reinforcement participated in obstructing the transcription of proliferation-related genes, while its depletion was closely related to the up-regulation of myogenic genes. Furthermore, the degree of H3K27me3 modification was dramatically reduced by 50%, and 139 myogenic genes were upregulated to promote cell differentiation. CONCLUSIONS The depletion of H3K27me3 was shown to promote porcine satellite cell differentiation through upregulating the transcription level of myogenic genes. Our findings in this study provide new insights of the epigenomic mechanisms occurring during myogenic differentiation, and shed light on chromatin states and the dynamics underlying myogenesis.
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25
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Rubio NR, Fish KD, Trimmer BA, Kaplan DL. In Vitro Insect Muscle for Tissue Engineering Applications. ACS Biomater Sci Eng 2019; 5:1071-1082. [PMID: 33405797 DOI: 10.1021/acsbiomaterials.8b01261] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/10/2023]
Abstract
Tissue engineering is primarily associated with medical disciplines, and research has thus focused on mammalian cells. For applications where clinical relevance is not a constraint, it is useful to evaluate the potential of alternative cell sources to form tissues in vitro. Specifically, skeletal muscle tissue engineering for bioactuation and cultured foods could benefit from the incorporation of invertebrate cells because of their less stringent growth requirements and other versatile features. Here, we used a Drosophila muscle cell line to demonstrate the benefits of insect cells relative to those derived from vertebrates. The cells were adapted to serum-free media, transitioned between adherent and suspension cultures, and manipulated with hormones. Furthermore, we analyzed edible scaffolds to support cell adhesion and assayed cellular protein and minerals to evaluate nutrition potential. The insect muscle cells exhibited advantageous growth patterns and hold unique functionality for tissue engineering applications beyond the medical realm.
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Affiliation(s)
- Natalie R Rubio
- Department of Biomedical Engineering, Tufts University, Science & Technology Center, 4 Colby Street, Medford, Massachusetts 02155, United States
| | - Kyle D Fish
- Department of Biomedical Engineering, Tufts University, Science & Technology Center, 4 Colby Street, Medford, Massachusetts 02155, United States
| | - Barry A Trimmer
- Department of Biology, Tufts University, 200 Boston Avenue #4700, Medford, Massachusetts 02155, United States
| | - David L Kaplan
- Department of Biomedical Engineering, Tufts University, Science & Technology Center, 4 Colby Street, Medford, Massachusetts 02155, United States
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26
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Wu N, Gu T, Lu L, Cao Z, Song Q, Wang Z, Zhang Y, Chang G, Xu Q, Chen G. Roles of miRNA‐1 and miRNA‐133 in the proliferation and differentiation of myoblasts in duck skeletal muscle. J Cell Physiol 2018; 234:3490-3499. [DOI: 10.1002/jcp.26857] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/02/2018] [Accepted: 05/23/2018] [Indexed: 12/27/2022]
Affiliation(s)
- Ningzhao Wu
- Key Laboratory of Animal Genetics and Breeding and Molecular Design of Jiangsu Province Yangzhou University Yangzhou China
| | - Tiantian Gu
- Key Laboratory of Animal Genetics and Breeding and Molecular Design of Jiangsu Province Yangzhou University Yangzhou China
| | - Lu Lu
- Key Laboratory of Animal Genetics and Breeding and Molecular Design of Jiangsu Province Yangzhou University Yangzhou China
| | - Zhengfeng Cao
- Key Laboratory of Animal Genetics and Breeding and Molecular Design of Jiangsu Province Yangzhou University Yangzhou China
| | - Qianqian Song
- Key Laboratory of Animal Genetics and Breeding and Molecular Design of Jiangsu Province Yangzhou University Yangzhou China
| | - Zhixiu Wang
- Key Laboratory of Animal Genetics and Breeding and Molecular Design of Jiangsu Province Yangzhou University Yangzhou China
| | - Yang Zhang
- Key Laboratory of Animal Genetics and Breeding and Molecular Design of Jiangsu Province Yangzhou University Yangzhou China
| | - Guobin Chang
- Key Laboratory of Animal Genetics and Breeding and Molecular Design of Jiangsu Province Yangzhou University Yangzhou China
| | - Qi Xu
- Key Laboratory of Animal Genetics and Breeding and Molecular Design of Jiangsu Province Yangzhou University Yangzhou China
| | - Guohong Chen
- Key Laboratory of Animal Genetics and Breeding and Molecular Design of Jiangsu Province Yangzhou University Yangzhou China
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27
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Amilon KR, Cortes-Araya Y, Moore B, Lee S, Lillico S, Breton A, Esteves CL, Donadeu FX. Generation of Functional Myocytes from Equine Induced Pluripotent Stem Cells. Cell Reprogram 2018; 20:275-281. [PMID: 30207795 PMCID: PMC6166488 DOI: 10.1089/cell.2018.0023] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023] Open
Abstract
Induced pluripotent stem cells (iPSCs) have revolutionized human biomedicine through their use in disease modeling and therapy. In comparison, little progress has been made toward the application of iPSCs in veterinary species. In that regard, skeletal myocytes from iPSCs would have great potential for understanding muscle function and disease in the equine athlete. In this study, we generated skeletal myotubes by transducing equine iPSC-derived mesenchymal derivatives with an inducible lentiviral vector coding for the human sequence of the myogenic factor, MyoD. Myosin heavy chain-positive myotubes generated from two different iPSC lines were compared to myotubes from adult equine skeletal muscle progenitor cells (MPCs). iPSC myotubes had a smaller mean area than MPC myotubes (≤2-fold). In addition, quantitative polymerase chain reaction analyses showed that iPSC myotubes expressed MYH2 and MYH3 isoforms (at similar or lower levels than MPC myotubes), but they did not express the mature muscle isoform, MYH1. Compared to MPC myotubes, iPSC myotubes expressed reduced levels of the myogenic factors, MYOD1 and MYF6, but did not express MYF5. Finally, iPSC myotubes responded to KCl-induced membrane depolarization by releasing calcium and did so in a manner similar to MPC myotubes. In conclusion, this is the first study to report the generation of functional myocytes from equine iPSCs.
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Affiliation(s)
- Karin R Amilon
- 1 The Roslin Institute and R(D)SVS, University of Edinburgh , Edinburgh, United Kingdom
| | - Yennifer Cortes-Araya
- 1 The Roslin Institute and R(D)SVS, University of Edinburgh , Edinburgh, United Kingdom
| | - Benjamin Moore
- 1 The Roslin Institute and R(D)SVS, University of Edinburgh , Edinburgh, United Kingdom
| | - Seungmee Lee
- 1 The Roslin Institute and R(D)SVS, University of Edinburgh , Edinburgh, United Kingdom
| | - Simon Lillico
- 1 The Roslin Institute and R(D)SVS, University of Edinburgh , Edinburgh, United Kingdom
| | - Amandine Breton
- 1 The Roslin Institute and R(D)SVS, University of Edinburgh , Edinburgh, United Kingdom
| | - Cristina L Esteves
- 1 The Roslin Institute and R(D)SVS, University of Edinburgh , Edinburgh, United Kingdom
| | - F Xavier Donadeu
- 1 The Roslin Institute and R(D)SVS, University of Edinburgh , Edinburgh, United Kingdom .,2 The Euan Macdonald Centre for Motor Neurone Disease Research, University of Edinburgh , Edinburgh, United Kingdom
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28
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Miersch C, Stange K, Röntgen M. Effects of trypsinization and of a combined trypsin, collagenase, and DNase digestion on liberation and in vitro function of satellite cells isolated from juvenile porcine muscles. In Vitro Cell Dev Biol Anim 2018; 54:406-412. [PMID: 29785535 PMCID: PMC5997727 DOI: 10.1007/s11626-018-0263-5] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/23/2018] [Accepted: 05/02/2018] [Indexed: 12/27/2022]
Abstract
Muscle stem cells, termed satellite cells (SC), and SC-derived myogenic progenitor cells (MPC) are involved in postnatal muscle growth, regeneration, and muscle adaptability. They can be released from their natural environment by mechanical disruption and tissue digestion. The literature contains several isolation protocols for porcine SC/MPC including various digestion procedures, but comparative studies are missing. In this report, classic trypsinization and a more complex trypsin, collagenase, and DNase (TCD) digestion were performed with skeletal muscle tissue from 4- to 5-d-old piglets. The two digestion procedures were compared regarding cell yield, viability, myogenic purity, and in vitro cell function. The TCD digestion tended to result in higher cell yields than digestion with solely trypsin (statistical trend p = 0.096), whereas cell size and viability did not differ. Isolated myogenic cells from both digestion procedures showed comparable proliferation rates, expressed the myogenic marker Desmin, and initiated myogenic differentiation in vitro at similar levels. Thus, TCD digestion tended to liberate slightly more cells without changes in the tested in vitro properties of the isolated cells. Both procedures are adequate for the isolation of SC/MPC from juvenile porcine muscles but the developmental state of the animal should always be considered.
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Affiliation(s)
- Claudia Miersch
- Leibniz Institute for Farm Animal Biology (FBN), Institute of Muscle Biology and Growth, Growth and Development Unit, Wilhelm-Stahl-Allee 2, 18196, Dummerstorf, Germany
| | - Katja Stange
- Leibniz Institute for Farm Animal Biology (FBN), Institute of Muscle Biology and Growth, Growth and Development Unit, Wilhelm-Stahl-Allee 2, 18196, Dummerstorf, Germany
| | - Monika Röntgen
- Leibniz Institute for Farm Animal Biology (FBN), Institute of Muscle Biology and Growth, Growth and Development Unit, Wilhelm-Stahl-Allee 2, 18196, Dummerstorf, Germany.
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29
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Tong H, Jiang R, Liu T, Wei Y, Li S, Yan Y. bta-miR-378 promote the differentiation of bovine skeletal muscle-derived satellite cells. Gene 2018; 668:246-251. [PMID: 29621587 DOI: 10.1016/j.gene.2018.03.102] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/18/2017] [Revised: 03/24/2018] [Accepted: 03/30/2018] [Indexed: 12/18/2022]
Abstract
The mechanism by which bta-miR-378 regulates bovine skeletal muscle-derived satellite cell (bMDSC) myogenesis remains unknown. In this study, stem-loop RT-PCR was used to assess bta-miR-378 expression during the proliferation and differentiation of bMDSCs. The results showed that bta-miR-378 expression did not obviously change during bMDSC proliferation but increased significantly when bMDSCs began to differentiate. Then, a bta-miR-378 mimic (bta-miR-378-M) and bta-miR-378 inhibitor (bta-miR-378-I) were transfected into bMDSCs to explore the effect of bta-miR-378 on bMDSC differentiation. Cell differentiation was detected using myosin heavy chain 3 immunofluorescence, myotube formation, and desmin and myogenin western blotting analyses. As expected, bta-miR-378-M enhanced bMDSC differentiation, whereas bta-miR-378-I had the opposite effect. Moreover, luciferase reporter and western blotting assays showed that bta-miR-378 directly targeted the 3'-untranslated regions of DNA polymerase alpha subunit B (POLA2) to regulate its protein expression. In summary, these data indicate that bta-miR-378 targets POLA2 to promote the differentiation of bMDSCs, which provides further insight into the biological functions of bta-miR-378 in bovines.
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Affiliation(s)
- HuiLi Tong
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - RunYing Jiang
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - TingTing Liu
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - Yao Wei
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - ShuFeng Li
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin, Heilongjiang 150030, China
| | - YunQin Yan
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin, Heilongjiang 150030, China.
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30
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Miersch C, Stange K, Röntgen M. Separation of functionally divergent muscle precursor cell populations from porcine juvenile muscles by discontinuous Percoll density gradient centrifugation. BMC Cell Biol 2018. [PMID: 29523096 PMCID: PMC5845299 DOI: 10.1186/s12860-018-0156-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 2.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND Satellite cells (SC) and their descendants, muscle precursor cells (MPC), play a key role in postnatal muscle development, regeneration, and plasticity. Several studies have provided evidence that SC and MPC represent a heterogeneous population differing in their biochemical and functional properties. The identification and characterization of functionally divergent SC subpopulations should help to reveal the precise involvement of SC/MPC in these myogenic processes. The aim of the present work was therefore to separate SC subpopulations by using Percoll gradients and to characterize their myogenic marker profiles and their functional properties (adhesion, proliferation, and differentiation). RESULTS SC/MPC from muscles of 4-day-old piglets were isolated by trypsin digestion and enriched by Percoll density gradient centrifugation. A mixed myogenic cell population was obtained from the 40/70% interface (termed: mixed P40/70) of a 25/40/70% Percoll gradient. Thereafter, by using a more stepped 25/40/50/70% Percoll gradient, mixed P40/70 was divided into subpopulation 40/50 (SP40/50) collected from the 40/50% interface and subpopulation 50/70 (SP50/70) collected from the 50/70% interface. All three isolated populations proliferated and showed a myogenic phenotype characterized by the ability to express myogenic markers (Pax7, MyoD1, Desmin, and MyoG) and to differentiate into myotubes. However, compared with mixed P40/70, SP40/50 and SP50/70 exhibited distinct functional behavior. Growth kinetic curves over 90 h obtained by the xCELLigence system and proliferation assays revealed that SP40/50 and mixed P40/70 constituted a fast adhering and fast proliferating phenotype. In contrast, SP50/70 showed considerably slower adhesion and proliferation. The fast-proliferating SP40/50 showed the highest myogenic differentiation potential with higher fusion rates and the formation of more middle-sized and large myotubes. CONCLUSIONS The described Percoll density gradient centrifugation represents a useful tool for subdividing pig SC/MPC populations with divergent myogenic functions. The physiological role of SC subpopulations during myogenesis and the interaction of these populations can now be analyzed to a greater extent, shedding light on postnatal growth variations in pigs and probably in other animals.
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Affiliation(s)
- Claudia Miersch
- Leibniz Institute for Farm Animal Biology (FBN), Institute of Muscle Biology and Growth, Growth and Development Unit, Wilhelm-Stahl-Allee 2, 18196, Dummerstorf, Germany
| | - Katja Stange
- Leibniz Institute for Farm Animal Biology (FBN), Institute of Muscle Biology and Growth, Growth and Development Unit, Wilhelm-Stahl-Allee 2, 18196, Dummerstorf, Germany
| | - Monika Röntgen
- Leibniz Institute for Farm Animal Biology (FBN), Institute of Muscle Biology and Growth, Growth and Development Unit, Wilhelm-Stahl-Allee 2, 18196, Dummerstorf, Germany.
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31
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Vasudevan G, Vanamayya PR, Nagarajan S, Rajukumar K, Suba S, Venketash G, Tosh C, Sood R, Nissly RH, Kuchipudi SV. Infectious dose-dependent accumulation of live highly pathogenic avian influenza H5N1 virus in chicken skeletal muscle-implications for public health. Zoonoses Public Health 2017; 65:e243-e247. [PMID: 28941132 DOI: 10.1111/zph.12406] [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: 05/22/2017] [Indexed: 11/27/2022]
Abstract
Highly pathogenic avian influenza viruses (HPAIV) of H5N1 subtype are a major global threat to poultry and public health. Export of poultry products, such as chicken and duck meat, is a known source for the cross-boundary spread of HPAI H5N1 viruses. Humans get infected with HPAI H5N1 viruses either by close contact with infected poultry or through consumption of fresh/undercooked poultry meat. Skeletal muscle is the largest soft tissue in chicken that has been shown to contain virus during systemic HPAIV infection and supports productive virus infection. However, the time between infection of a chicken with H5N1 virus and presence of virus in muscle tissue is not yet known. Further, it is also not clear whether chicken infected with low doses of H5N1 virus that cause non-fatal subclinical infections continue to accumulate virus in skeletal muscle. We investigated the amount and duration of virus detection in skeletal muscle of chicken experimentally infected with different doses (102 , 103 and 104 EID50 ) of a HPAI H5N1 virus. Influenza viral antigen could be detected as early as 6 hr after infection and live virus was recovered from 48 hr after infection. Notably, chicken infected with lower levels of HPAI H5N1 virus (i.e., 102 EID50 ) did not die acutely, but continued to accumulate high levels of H5N1 virus in skeletal muscle until 6 days post-infection. Our data suggest that there is a potential risk of human exposure to H5N1 virus through meat from clinically healthy chicken infected with a low dose of virus. Our results highlight the need to implement rigorous monitoring systems to screen poultry meat from H5N1 endemic countries to limit the global spread of H5N1 viruses.
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Affiliation(s)
- G Vasudevan
- National Institute of High Security Animal Diseases, Bhopal, Madhya Pradesh, India.,Poultry Disease Diagnosis and Surveillance Laboratory, Veterinary College and Research Institute Campus, Tamil Nadu Veterinary and Animal Sciences University, Namakkal, Tamil Nadu, India
| | - P R Vanamayya
- National Institute of High Security Animal Diseases, Bhopal, Madhya Pradesh, India
| | - S Nagarajan
- National Institute of High Security Animal Diseases, Bhopal, Madhya Pradesh, India
| | - K Rajukumar
- National Institute of High Security Animal Diseases, Bhopal, Madhya Pradesh, India
| | - S Suba
- National Institute of High Security Animal Diseases, Bhopal, Madhya Pradesh, India
| | - G Venketash
- National Institute of High Security Animal Diseases, Bhopal, Madhya Pradesh, India
| | - C Tosh
- National Institute of High Security Animal Diseases, Bhopal, Madhya Pradesh, India
| | - R Sood
- National Institute of High Security Animal Diseases, Bhopal, Madhya Pradesh, India
| | - R H Nissly
- Animal Diagnostic Laboratory, Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, PA, USA
| | - S V Kuchipudi
- Animal Diagnostic Laboratory, Department of Veterinary and Biomedical Sciences, The Pennsylvania State University, University Park, PA, USA
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32
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Tong HL, Jiang RY, Zhang WW, Yan YQ. MiR-2425-5p targets RAD9A and MYOG to regulate the proliferation and differentiation of bovine skeletal muscle-derived satellite cells. Sci Rep 2017; 7:418. [PMID: 28341832 PMCID: PMC5428422 DOI: 10.1038/s41598-017-00470-8] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.1] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/21/2016] [Accepted: 02/28/2017] [Indexed: 12/18/2022] Open
Abstract
Our group previously identified miR-2425-5p, a unique bovine miRNA; however, its biological function and regulation in muscle-derived satellite cells (MDSCs) remain unclear. Herein, stem-loop RT-PCR results showed that miR-2425-5p increased during MDSCs proliferation, but decreased during differentiation. Cell proliferation was examined using EdU assays, cyclin B1 (CCNB1) and proliferating cell nuclear antigen (PCNA) western blot (WB) and flow cytometry analysis. These results showed that miR-2425-5p mimics (miR-2425-M) enhanced MDSCs proliferation, whereas, miR-2425-5p inhibitor (miR-2425-I) had opposite effect. Conversely, cell differentiation studies by desmin (DES) immunofluorescence, myotubes formation, and myosin heavy chain 3 (MYH3) WB analyses revealed that miR-2425-M and miR-2425-I blocked and promoted MDSCs differentiation, respectively. Moreover, luciferase reporter, RT-PCR, and WB assays showed that miR-2425-5p directly targeted the 3′-UTR of RAD9 homolog A (RAD9A) and myogenin (MYOG) to regulate their expression. Rescue experiment showed RAD9A inhibited the proliferation of MDSCs through miR-2425-5p. In addition, we found that miR-2425-5p expression was regulated by its host gene NCK associated protein 5-like (NCKAP5L) rather than being transcribed independently as a separate small RNA. Collectively, these data indicate that miR-2425-5p is a novel regulator of bovine MDSCs proliferation and differentiation and provides further insight into the biological functions of miRNA in this species.
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Affiliation(s)
- Hui Li Tong
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China
| | - Run Ying Jiang
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China
| | - Wei Wei Zhang
- College of Life Sciences and Agriculture & Forestry, Qiqihar University, Qiqihar, Heilongjiang, 161006, China
| | - Yun Qin Yan
- The Laboratory of Cell and Developmental Biology, Northeast Agricultural University, Harbin, Heilongjiang, 150030, China.
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Kubis HP, Scheibe RJ, Decker B, Hufendiek K, Hanke N, Gros G, Meissner JD. Primary skeletal muscle cells cultured on gelatin bead microcarriers develop structural and biochemical features characteristic of adult skeletal muscle. Cell Biol Int 2016; 40:364-74. [PMID: 26610066 DOI: 10.1002/cbin.10565] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2015] [Accepted: 11/23/2015] [Indexed: 12/15/2022]
Abstract
A primary skeletal muscle cell culture, in which myoblasts derived from newborn rabbit hindlimb muscles grow on gelatin bead microcarriers in suspension and differentiate into myotubes, has been established previously. In the course of differentiation and beginning spontaneous contractions, these multinucleated myotubes do not detach from their support. Here, we describe the development of the primary myotubes with respect to their ultrastructural differentiation. Scanning electron microscopy reveals that myotubes not only grow around the surface of one carrier bead but also attach themselves to neighboring carriers, forming bridges between carriers. Transmission electron microscopy demonstrates highly ordered myofibrils, T-tubules, and sarcoplasmic reticulum. The functionality of the contractile apparatus is evidenced by contractile activity that occurs spontaneously or can be elicited by electrostimulation. Creatine kinase activity increases steadily until day 20 of culture. Regarding the expression of isoforms of myosin heavy chains (MHC), we could demonstrate that from day 16 on, no non-adult MHC isoform mRNAs are present. Instead, on day 28 the myotubes express predominantly adult fast MHCIId/x mRNA and protein. This MHC pattern resembles that of fast muscles of adult rabbits. In contrast, primary myotubes grown on matrigel-covered culture dishes express substantial amounts of non-adult MHC protein even on day 21. To conclude, primary myotubes grown on microcarriers in their later stages exhibit many features of adult skeletal muscle and characteristics of fast type II fibers. Thus, the culture represents an excellent model of adult fast skeletal muscle, for example, when investigating molecular mechanisms of fast-to-slow fiber-type transformation.
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Affiliation(s)
- Hans-Peter Kubis
- Department of Physiology, Vegetative Physiology 4220, Hannover Medical School, 30625, Hannover, Germany
| | - Renate J Scheibe
- Department of Biochemistry, Institute of Physiological Chemistry, Hannover Medical School, 30625, Hannover, Germany
| | - Brigitte Decker
- Department of Anatomy, Institute of Cell Biology, Hannover Medical School, 30625, Hannover, Germany
| | - Karsten Hufendiek
- Department of Physiology, Vegetative Physiology 4220, Hannover Medical School, 30625, Hannover, Germany
| | - Nina Hanke
- Department of Physiology, Vegetative Physiology 4220, Hannover Medical School, 30625, Hannover, Germany
| | - Gerolf Gros
- Department of Physiology, Vegetative Physiology 4220, Hannover Medical School, 30625, Hannover, Germany
| | - Joachim D Meissner
- Department of Physiology, Vegetative Physiology 4220, Hannover Medical School, 30625, Hannover, Germany
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34
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Sebastian S, Goulding L, Kuchipudi SV, Chang KC. Extended 2D myotube culture recapitulates postnatal fibre type plasticity. BMC Cell Biol 2015; 16:23. [PMID: 26382633 PMCID: PMC4574010 DOI: 10.1186/s12860-015-0069-1] [Citation(s) in RCA: 7] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2015] [Accepted: 09/08/2015] [Indexed: 12/28/2022] Open
Abstract
BACKGROUND The traditional problems of performing skeletal muscle cell cultures derived from mammalian or avian species are limited myotube differentiation, and transient myotube persistence which greatly restricts the ability of myotubes to undergo phenotypic maturation. We report here on a major technical breakthrough in the establishment of a simple and effective method of extended porcine myotube cultures (beyond 50 days) in two-dimension (2D) that recapitulates key features of postnatal fibre types. RESULTS Primary porcine muscle satellite cells (myoblasts) were isolated from the longissimus dorsi of 4 to 6 weeks old pigs for 2D cultures to optimise myotube formation, improve surface adherence and characterise myotube maturation. Over 95 % of isolated cells were myoblasts as evidenced by the expression of Pax3 and Pax7. Our relatively simple approach, based on modifications of existing surface coating reagents (Maxgel), and of proliferation and differentiation (Ultroser G) media, typically achieved by 5 days of differentiation fusion index of around 80 % manifested in an abundance of discrete myosin heavy chain (MyHC) slow and fast myotubes. There was little deterioration in myotube viability over 50 days, and the efficiency of myotube formation was maintained over seven myoblast passages. Regular spontaneous contractions of myotubes were frequently observed throughout culture. Myotubes in extended cultures were able to undergo phenotypic adaptation in response to different culture media, including the adoption of a dominant postnatal phenotype of fast-glycolytic MyHC 2x and 2b expression by about day 20 of differentiation. Furthermore, fast-glycolytic myotubes coincided with enhanced expression of the putative porcine long intergenic non-coding RNA (linc-MYH), which has recently been shown to be a key coordinator of MyHC 2b expression in vivo. CONCLUSIONS Our revised culture protocol allows the efficient differentiation and fusion of porcine myoblasts into myotubes and their prolonged adherence to the culture surface. Furthermore, we are able to recapitulate in 2D the maturation process of myotubes to resemble postnatal fibre types which represent a major technical advance in opening access to the in vitro study of coordinated postnatal muscle gene expression.
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Affiliation(s)
- Sujith Sebastian
- School of Veterinary Medicine and Science, University of Nottingham, Sutton Bonington, LE12 5RD, UK.
| | - Leah Goulding
- School of Veterinary Medicine and Science, University of Nottingham, Sutton Bonington, LE12 5RD, UK.
| | - Suresh V Kuchipudi
- School of Veterinary Medicine and Science, University of Nottingham, Sutton Bonington, LE12 5RD, UK.
| | - Kin-Chow Chang
- School of Veterinary Medicine and Science, University of Nottingham, Sutton Bonington, LE12 5RD, UK.
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Differentiation of bovine satellite cell-derived myoblasts under different culture conditions. In Vitro Cell Dev Biol Anim 2015; 51:885-9. [PMID: 26091626 DOI: 10.1007/s11626-015-9916-9] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.1] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/16/2015] [Accepted: 04/14/2015] [Indexed: 10/23/2022]
Abstract
The aim of this study was to develop adequate in vitro conditions for the differentiation of bovine skeletal muscle cells. Therefore, satellite cells isolated from the left foreleg of a Holstein-Friesian fetus at 4.5 mo of gestation were seeded on 24-well plates coated with extracellular matrix gel. Cells were cultured for 5 d in growth medium containing 10% fetal bovine serum. After reaching confluence, several differentiation media were tested for inducing myotube formation. The highest fusion rate of approximately 30% was achieved with a serum-free medium containing 1 μM dexamethasone, 1 μg/ml linoleic acid, and 0.1 μM insulin after a differentiation phase of 72 h. Two different culture conditions (serum-free and serum-containing) appropriate for bovine skeletal muscle cell differentiation are described in detail which allow the investigation of bovine skeletal muscle cell proliferation and differentiation in general as well as in response to bioactive compounds.
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Abstract
Skeletal muscle, at 30 to 40% of body mass, is the most abundant soft tissue in the body. Besides its primary function in movement and posture, skeletal muscle is a significant innate immune organ with the capacity to produce cytokines and chemokines and respond to proinflammatory cytokines. Little is known about the role of skeletal muscle during systemic influenza A virus infection in any host and particularly avian species. Here we used primary chicken and duck multinucleated myotubes to examine their susceptibility and innate immune response to influenza virus infections. Both chicken and duck myotubes expressed avian and human sialic acid receptors and were readily susceptible to low-pathogenicity (H2N3 A/mallard duck/England/7277/06) and high-pathogenicity (H5N1 A/turkey/England/50-92/91 and H5N1 A/turkey/Turkey/1/05) avian and human H1N1 (A/USSR/77) influenza viruses. Both avian host species produced comparable levels of progeny H5N1 A/turkey/Turkey/1/05 virus. Notably, the rapid accumulation of viral nucleoprotein and matrix (M) gene RNA in chicken and duck myotubes was accompanied by extensive cytopathic damage with marked myotube apoptosis (widespread microscopic blebs, caspase 3/7 activation, and annexin V binding at the plasma membrane). Infected chicken myotubes produced significantly higher levels of proinflammatory cytokines than did the corresponding duck cells. Additionally, in chicken myotubes infected with H5N1 viruses, the induction of interferon beta (IFN-β) and IFN-inducible genes, including the melanoma differentiation-associated protein 5 (MDA-5) gene, was relatively weak compared to infection with the corresponding H2N3 virus. Our findings highlight that avian skeletal muscle fibers are capable of productive influenza virus replication and are a potential tissue source of infection. IMPORTANCE Infection with high-pathogenicity H5N1 viruses in ducks is often asymptomatic, and skeletal muscle from such birds could be a source of infection of humans and animals. Little is known about the ability of influenza A viruses to replicate in avian skeletal muscle fibers. We show here that cultured chicken and duck myotubes were highly susceptible to infection with both low- and high-pathogenicity avian influenza viruses. Infected myotubes of both avian species displayed rapid virus accumulation, apoptosis, and extensive cellular damage. Our results indicate that avian skeletal muscle fibers of chicken and duck could be significant contributors to progeny production of highly pathogenic H5N1 viruses.
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Patel AK, Shah RK, Patel UA, Tripathi AK, Joshi CG. Goat activin receptor type IIB knockdown by muscle specific promoter driven artificial microRNAs. J Biotechnol 2014; 187:87-97. [PMID: 25107506 DOI: 10.1016/j.jbiotec.2014.07.450] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.2] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/24/2014] [Revised: 07/20/2014] [Accepted: 07/25/2014] [Indexed: 01/30/2023]
Abstract
Activin receptor type IIB (ACVR2B) is a transmembrane receptor which mediates signaling of TGF beta superfamily ligands known to function in regulation of muscle mass, embryonic development and reproduction. ACVR2B antagonism has shown to enhance the muscle growth in several disease and transgenic models. Here, we show ACVR2B knockdown by RNA interference using muscle creatine kinase (MCK) promoter driven artificial microRNAs (amiRNAs). Among the various promoter elements tested, the ∼1.26 kb MCK promoter region showed maximum transcriptional activity in goat myoblasts cells. We observed up to 20% silencing in non-myogenic 293T cells and up to 32% silencing in myogenic goat myoblasts by MCK directed amiRNAs by transient transfection. Goat myoblasts stably integrated with MCK directed amiRNAs showed merely 8% silencing in proliferating myoblasts which was increased to 34% upon induction of differentiation at transcript level whereas up to 57% silencing at protein level. Knockdown of ACVR2B by 5'-UTR derived amiRNAs resulted in decreased SMAD2/3 signaling, increased expression of myogenic regulatory factors (MRFs) and enhanced proliferation and differentiation of myoblasts. Unexpectedly, knockdown of ACVR2B by 3'-UTR derived amiRNAs resulted in increased SMAD2/3 signaling, reduced expression of MRFs and suppression of myogenesis. Our study offers muscle specific knockdown of ACVR2B as a potential strategy to enhance muscle mass in the farm animal species.
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Affiliation(s)
- Amrutlal K Patel
- Department of Animal Biotechnology, College of Veterinary Science and Animal Husbandry, Anand Agricultural University, Anand 388001, India
| | - Ravi K Shah
- Department of Animal Biotechnology, College of Veterinary Science and Animal Husbandry, Anand Agricultural University, Anand 388001, India
| | - Utsav A Patel
- Department of Animal Biotechnology, College of Veterinary Science and Animal Husbandry, Anand Agricultural University, Anand 388001, India
| | - Ajai K Tripathi
- Department of Pathology, Case Western Reserve University, Cleveland, OH, USA
| | - Chaitanya G Joshi
- Department of Animal Biotechnology, College of Veterinary Science and Animal Husbandry, Anand Agricultural University, Anand 388001, India.
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Patel AK, Shah RK, Parikh IK, Joshi CG. Goat activin receptor type IIB knockdown by artificial microRNAs in vitro. Appl Biochem Biotechnol 2014; 174:424-36. [PMID: 25080379 DOI: 10.1007/s12010-014-1071-3] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/08/2014] [Accepted: 07/21/2014] [Indexed: 10/25/2022]
Abstract
Activin receptor type IIB (ACVR2B) has been known to negatively regulate the muscle growth through mediating the action of transforming growth factor beta superfamily ligands. Recently, the artificial microRNAs (amiRNAs) which are processed by endogenous miRNA processing machinery have been proposed as promising approach for efficient gene knockdown. We evaluated amiRNAs targeting goat ACVR2B in HEK293T and goat myoblasts cells. The amiRNAs were designed based on the miR-155 backbone and cloned in 5'- and 3'-UTR of GFP reporter gene under the CMV promoter. Although both 5'- and 3'-UTR-amiRNAs vectors showed efficient synthesis of GFP transcripts, amiRNAs in 5'-UTR drastically affected GFP protein synthesis in transfected goat myoblast cells. Among the four amiRNAs targeting ACVR2B derived from either 5'- or 3'-UTR, ami318 showed highest silencing efficiency against exogenously co-expressed ACVR2B in both 293T and goat myoblast cells whereas ami204 showed highest silencing efficiency against endogenous ACVR2B in goat myoblasts cells. The 3'-UTR-derived amiRNA exerted higher knockdown efficiency against endogenous ACVR2B at transcript level whereas 5'-UTR-derived amiRNAs exerted higher knockdown efficiency at protein level. The expression of ACVR2B showed positive correlation with the expression of MYOD (r = 0.744; p = 0.009) and MYOG (r = 0.959; p = 0.000) in the amiRNA-transfected myoblasts. Although both 5'- and 3'-UTR-amiRNA vectors led to substantial induction of interferon response, the magnitude of the response was found to be higher with the 3'-UTR-amiRNA vectors.
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Affiliation(s)
- Amrutlal K Patel
- Department of Animal Biotechnology, College of Veterinary Science and Animal Husbandry, Anand Agricultural University, Anand, 388001, Gujarat, India
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Patel AK, Tripathi AK, Shah RK, Patel UA, Joshi CG. Assessment of goat activin receptor type IIB knockdown by short hairpin RNAs in vitro. J Recept Signal Transduct Res 2014; 34:506-12. [PMID: 24870261 DOI: 10.3109/10799893.2014.922574] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/07/2022]
Abstract
BACKGROUND Targeted knockdown of ACVR2B, a receptor for TGF beta superfamily, has been seen as a potential candidate to enhance the muscle mass through RNAi approach. METHODS We have evaluated the potential short hairpin RNAs targeting goat ACVR2B in human HEK293T cells and goat myoblasts cells by transient transfection and measured their knockdown efficiency and possible undesired interferon response by quantitative real-time PCR. RESULTS We observed a significant silencing (64-81%) of ACVR2B in 293T cells with all seven shRNAs (sh1 to sh7) constructs and 16-46% silencing with maximum of 46% by sh6 (p = 0.0318) against endogenous ACVR2B whereas up to 66% (p = 0.0002) silencing by sh6 against exogenously expressed ACVR2B in goat myoblasts cells. Transient knockdown of ACVR2B in goat myoblasts cells by shRNAs did not show significant correlation with the expression of MyoD (r = 0.547; p = 0.102), myogenin (r = 0.517; p = 0.126) and Myf5 (r = 0.262; p = 0.465). As reported earlier, transfection of plasmid DNA induced potent interferon response in 293T and goat myoblasts cells. CONCLUSIONS The present study demonstrates the targeted knockdown of ACVR2B by shRNAs in HEK293T and goat myoblasts cells in vitro. The transient knockdown of ACVR2B by shRNAs in goat myoblasts did not alter the myogenic gene expression program. However, shRNAs showing significant knockdown efficiency in our study may further be tested for long term and stable knockdown to assess their potential to use for enhancing muscle mass in vivo. As reported earlier, expression of shRNAs through plasmid expression vectors induces potent interferon response raising the concern of safety of its application in vivo.
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Affiliation(s)
- Amrutlal K Patel
- Department of Animal Biotechnology, College of Veterinary Science and Animal Husbandry, Anand Agricultural University , Anand, Gujarat , India , and
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Froehlich JM, Seiliez I, Gabillard JC, Biga PR. Preparation of primary myogenic precursor cell/myoblast cultures from basal vertebrate lineages. J Vis Exp 2014. [PMID: 24835774 DOI: 10.3791/51354] [Citation(s) in RCA: 17] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023] Open
Abstract
Due to the inherent difficulty and time involved with studying the myogenic program in vivo, primary culture systems derived from the resident adult stem cells of skeletal muscle, the myogenic precursor cells (MPCs), have proven indispensible to our understanding of mammalian skeletal muscle development and growth. Particularly among the basal taxa of Vertebrata, however, data are limited describing the molecular mechanisms controlling the self-renewal, proliferation, and differentiation of MPCs. Of particular interest are potential mechanisms that underlie the ability of basal vertebrates to undergo considerable postlarval skeletal myofiber hyperplasia (i.e. teleost fish) and full regeneration following appendage loss (i.e. urodele amphibians). Additionally, the use of cultured myoblasts could aid in the understanding of regeneration and the recapitulation of the myogenic program and the differences between them. To this end, we describe in detail a robust and efficient protocol (and variations therein) for isolating and maintaining MPCs and their progeny, myoblasts and immature myotubes, in cell culture as a platform for understanding the evolution of the myogenic program, beginning with the more basal vertebrates. Capitalizing on the model organism status of the zebrafish (Danio rerio), we report on the application of this protocol to small fishes of the cyprinid clade Danioninae. In tandem, this protocol can be utilized to realize a broader comparative approach by isolating MPCs from the Mexican axolotl (Ambystoma mexicanum) and even laboratory rodents. This protocol is now widely used in studying myogenesis in several fish species, including rainbow trout, salmon, and sea bream(1-4).
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Affiliation(s)
| | | | | | - Peggy R Biga
- Department of Biology, University of Alabama at Birmingham;
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Patel AK, Tripathi AK, Patel UA, Shah RK, Joshi CG. Myostatin knockdown and its effect on myogenic gene expression program in stably transfected goat myoblasts. In Vitro Cell Dev Biol Anim 2014; 50:587-96. [PMID: 24682647 DOI: 10.1007/s11626-014-9743-4] [Citation(s) in RCA: 10] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/18/2013] [Accepted: 02/24/2014] [Indexed: 12/12/2022]
Abstract
Myostatin, a negative regulator of skeletal muscle mass, is a proven candidate to modulate skeletal muscle mass through targeted gene knockdown approach. Here, we report myostatin (MSTN) knockdown in goat myoblasts stably expressing small hairpin RNA (shRNAs) against MSTN gene through lentivirus vector-mediated integration. We observed 72% (p = 0.003) and 54% (p = 0.022) downregulation of MSTN expression with sh2 shRNA compared to empty vector control and untransduced myoblasts, respectively. The knockdown of MSTN expression was accompanied with concomitant downregulation of myogenic regulatory factor MYOD (77%, p = 0.001), MYOG (94%, p = 0.000), and MYF5 (36%, p = 0.000), cell cycle regulator p21 (62%, p = 0.000), MSTN receptor ACVR2B (23%, p = 0.061), MSTN antagonist follistatin (81%, p = 0.000), and downstream signaling mediators SMAD2 (20%, p = 0.060) and SMAD3 (49%, p = 0.006). However, the expression of MYF6 was upregulated by 14% compared to control lentivirus-transduced myoblasts (p = 0.354) and 79% compared to untransduced myoblasts (p = 0.018) in sh2 shRNA-transduced goat myoblasts cells. Although, MSTN knockdown led to sustained cell proliferation of myoblasts, the myoblasts fusion was suppressed in both MSTN knocked down and control lentivirus-transduced myoblasts. The expression of interferon response gene OAS1 was significantly upregulated in control lentivirus (10.86-fold; p = 0.000)- and sh2 (1.71-fold; p = 0.002)-integrated myoblasts compared to untransduced myoblasts. Our study demonstrates stable knockdown of MSTN in goat myoblasts cells and its potential for use in generation of transgenic goat by somatic cell nuclear transfer.
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Affiliation(s)
- Amrutlal K Patel
- Department of Animal Biotechnology, College of Veterinary Science and Animal Husbandry, Anand Agricultural University, Anand, 388 001, Gujarat, India
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Siegel AL, Gurevich DB, Currie PD. A myogenic precursor cell that could contribute to regeneration in zebrafish and its similarity to the satellite cell. FEBS J 2013; 280:4074-88. [PMID: 23607511 DOI: 10.1111/febs.12300] [Citation(s) in RCA: 21] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/25/2013] [Accepted: 04/12/2013] [Indexed: 11/28/2022]
Abstract
The cellular basis for mammalian muscle regeneration has been an area of intense investigation over recent decades. The consensus is that a specialized self-renewing stem cell, termed the satellite cell, plays a major role during the process of regeneration in amniotes. How broadly this mechanism is deployed within the vertebrate phylogeny remains an open question. A lack of information on the role of cells analogous to the satellite cell in other vertebrate systems is even more unexpected given the fact that satellite cells were first designated in frogs. An intriguing aspect of this debate is that a number of amphibia and many fish species exhibit epimorphic regenerative processes in specific tissues, whereby regeneration occurs by the dedifferentiation of the damaged tissue, without deploying specialized stem cell populations analogous to satellite cells. Hence, it is feasible that a cellular process completely distinct from that deployed during mammalian muscle regeneration could operate in species capable of epimorphic regeneration. In this minireview, we examine the evidence for the broad phylogenetic distribution of satellite cells. We conclude that, in the vertebrates examined so far, epimorphosis does not appear to be deployed during muscle regeneration, and that analogous cells expressing similar marker genes to satellite cells appear to be deployed during the regenerative process. However, the functional definition of these cells as self-renewing muscle stem cells remains a final hurdle to the definition of the satellite cell as a generic vertebrate cell type.
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Affiliation(s)
- Ashley L Siegel
- Australian Regenerative Medicine Institute, Monash University, Clayton, Victoria, Australia.
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