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Bai S, Luo H, Tong H, Wu Y, Yuan Y. Advances on transfer and maintenance of large DNA in bacteria, fungi, and mammalian cells. Biotechnol Adv 2024; 76:108421. [PMID: 39127411 DOI: 10.1016/j.biotechadv.2024.108421] [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] [Received: 03/24/2023] [Revised: 05/07/2024] [Accepted: 08/04/2024] [Indexed: 08/12/2024]
Abstract
Advances in synthetic biology allow the design and manipulation of DNA from the scale of genes to genomes, enabling the engineering of complex genetic information for application in biomanufacturing, biomedicine and other areas. The transfer and subsequent maintenance of large DNA are two core steps in large scale genome rewriting. Compared to small DNA, the high molecular weight and fragility of large DNA make its transfer and maintenance a challenging process. This review outlines the methods currently available for transferring and maintaining large DNA in bacteria, fungi, and mammalian cells. It highlights their mechanisms, capabilities and applications. The transfer methods are categorized into general methods (e.g., electroporation, conjugative transfer, induced cell fusion-mediated transfer, and chemical transformation) and specialized methods (e.g., natural transformation, mating-based transfer, virus-mediated transfection) based on their applicability to recipient cells. The maintenance methods are classified into genomic integration (e.g., CRISPR/Cas-assisted insertion) and episomal maintenance (e.g., artificial chromosomes). Additionally, this review identifies the major technological advantages and disadvantages of each method and discusses the development for large DNA transfer and maintenance technologies.
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Affiliation(s)
- Song Bai
- Frontiers Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering (Ministry of Education), School of Chemical Engineering and Technology, Tianjin University, 300072 Tianjin, China; Frontiers Research Institute for Synthetic Biology, Tianjin University, Tianjin 300072, China
| | - Han Luo
- Frontiers Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering (Ministry of Education), School of Chemical Engineering and Technology, Tianjin University, 300072 Tianjin, China; Frontiers Research Institute for Synthetic Biology, Tianjin University, Tianjin 300072, China
| | - Hanze Tong
- Frontiers Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering (Ministry of Education), School of Chemical Engineering and Technology, Tianjin University, 300072 Tianjin, China; Frontiers Research Institute for Synthetic Biology, Tianjin University, Tianjin 300072, China
| | - Yi Wu
- Frontiers Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering (Ministry of Education), School of Chemical Engineering and Technology, Tianjin University, 300072 Tianjin, China; Frontiers Research Institute for Synthetic Biology, Tianjin University, Tianjin 300072, China. @tju.edu.cn
| | - Yingjin Yuan
- Frontiers Science Center for Synthetic Biology and Key Laboratory of Systems Bioengineering (Ministry of Education), School of Chemical Engineering and Technology, Tianjin University, 300072 Tianjin, China; Frontiers Research Institute for Synthetic Biology, Tianjin University, Tianjin 300072, China
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Kim JH, Nagaraja R, Ogurtsov AY, Noskov VN, Liskovykh M, Lee HS, Hori Y, Kobayashi T, Hunter K, Schlessinger D, Kouprina N, Shabalina SA, Larionov V. Comparative analysis and classification of highly divergent mouse rDNA units based on their intergenic spacer (IGS) variability. NAR Genom Bioinform 2024; 6:lqae070. [PMID: 38881577 PMCID: PMC11177557 DOI: 10.1093/nargab/lqae070] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/22/2024] [Revised: 05/20/2024] [Accepted: 06/05/2024] [Indexed: 06/18/2024] Open
Abstract
Ribosomal DNA (rDNA) repeat units are organized into tandem clusters in eukaryotic cells. In mice, these clusters are located on at least eight chromosomes and show extensive variation in the number of repeats between mouse genomes. To analyze intra- and inter-genomic variation of mouse rDNA repeats, we selectively isolated 25 individual rDNA units using Transformation-Associated Recombination (TAR) cloning. Long-read sequencing and subsequent comparative sequence analysis revealed that each full-length unit comprises an intergenic spacer (IGS) and a ∼13.4 kb long transcribed region encoding the three rRNAs, but with substantial variability in rDNA unit size, ranging from ∼35 to ∼46 kb. Within the transcribed regions of rDNA units, we found 209 variants, 70 of which are in external transcribed spacers (ETSs); but the rDNA size differences are driven primarily by IGS size heterogeneity, due to indels containing repetitive elements and some functional signals such as enhancers. Further evolutionary analysis categorized rDNA units into distinct clusters with characteristic IGS lengths; numbers of enhancers; and presence/absence of two common SNPs in promoter regions, one of which is located within promoter (p)RNA and may influence pRNA folding stability. These characteristic features of IGSs also correlated significantly with 5'ETS variant patterns described previously and associated with differential expression of rDNA units. Our results suggest that variant rDNA units are differentially regulated and open a route to investigate the role of rDNA variation on nucleolar formation and possible associations with pathology.
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Affiliation(s)
- Jung-Hyun Kim
- National Cancer Institute, Developmental Therapeutics Branch, Bethesda, MD, USA
| | - Ramaiah Nagaraja
- National Institute of Aging, Laboratory of Genetics and Genomics, Baltimore, MD, USA
| | - Alexey Y Ogurtsov
- National Center for Biotechnology Information, National Library of Medicine, Bethesda, MD, USA
| | - Vladimir N Noskov
- National Cancer Institute, Developmental Therapeutics Branch, Bethesda, MD, USA
| | - Mikhail Liskovykh
- National Cancer Institute, Developmental Therapeutics Branch, Bethesda, MD, USA
| | - Hee-Sheung Lee
- National Cancer Institute, Developmental Therapeutics Branch, Bethesda, MD, USA
| | - Yutaro Hori
- The University of Tokyo, Laboratory of Genome Regeneration, Tokyo 113-0032, Japan
| | - Takehiko Kobayashi
- The University of Tokyo, Laboratory of Genome Regeneration, Tokyo 113-0032, Japan
| | - Kent Hunter
- National Cancer Institute, Laboratory of Cancer Biology and Genetics, Bethesda, MD, USA
| | - David Schlessinger
- National Institute of Aging, Laboratory of Genetics and Genomics, Baltimore, MD, USA
| | - Natalay Kouprina
- National Cancer Institute, Developmental Therapeutics Branch, Bethesda, MD, USA
| | - Svetlana A Shabalina
- National Center for Biotechnology Information, National Library of Medicine, Bethesda, MD, USA
| | - Vladimir Larionov
- National Cancer Institute, Developmental Therapeutics Branch, Bethesda, MD, USA
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La Grua A, Rao I, Susani L, Lucchini F, Raimondi E, Vezzoni P, Paulis M. Chromosome Transplantation: Opportunities and Limitations. Cells 2024; 13:666. [PMID: 38667281 PMCID: PMC11048979 DOI: 10.3390/cells13080666] [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: 03/12/2024] [Revised: 04/04/2024] [Accepted: 04/09/2024] [Indexed: 04/28/2024] Open
Abstract
There are thousands of rare genetic diseases that could be treated with classical gene therapy strategies such as the addition of the defective gene via viral or non-viral delivery or by direct gene editing. However, several genetic defects are too complex for these approaches. These "genomic mutations" include aneuploidies, intra and inter chromosomal rearrangements, large deletions, or inversion and copy number variations. Chromosome transplantation (CT) refers to the precise substitution of an endogenous chromosome with an exogenous one. By the addition of an exogenous chromosome and the concomitant elimination of the endogenous one, every genetic defect, irrespective of its nature, could be resolved. In the current review, we analyze the state of the art of this technique and discuss its possible application to human pathology. CT might not be limited to the treatment of human diseases. By working on sex chromosomes, we showed that female cells can be obtained from male cells, since chromosome-transplanted cells can lose either sex chromosome, giving rise to 46,XY or 46,XX diploid cells, a modification that could be exploited to obtain female gametes from male cells. Moreover, CT could be used in veterinary biology, since entire chromosomes containing an advantageous locus could be transferred to animals of zootechnical interest without altering their specific genetic background and the need for long and complex interbreeding. CT could also be useful to rescue extinct species if only male cells were available. Finally, the generation of "synthetic" cells could be achieved by repeated CT into a recipient cell. CT is an additional tool for genetic modification of mammalian cells.
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Affiliation(s)
- Angela La Grua
- Department of Medical Biotechnologies and Translational Medicine, University of Milan, 20129 Milan, Italy;
- IRCCS Humanitas Research Hospital, 20089 Rozzano, Italy; (I.R.); (L.S.)
| | - Ilaria Rao
- IRCCS Humanitas Research Hospital, 20089 Rozzano, Italy; (I.R.); (L.S.)
- Department of Biomedical Sciences, Humanitas University, 20072 Pieve Emanuele, Italy
| | - Lucia Susani
- IRCCS Humanitas Research Hospital, 20089 Rozzano, Italy; (I.R.); (L.S.)
- UOS Milan Unit, Istituto di Ricerca Genetica e Biomedica (IRGB), CNR, 20138 Milan, Italy
| | - Franco Lucchini
- Department for Sustainable Food Process, Università Cattolica del Sacro Cuore, 29122 Piacenza, Italy;
| | - Elena Raimondi
- Department of Biology and Biotechnology “L. Spallanzani”, University of Pavia, 27100 Pavia, Italy;
| | - Paolo Vezzoni
- IRCCS Humanitas Research Hospital, 20089 Rozzano, Italy; (I.R.); (L.S.)
- UOS Milan Unit, Istituto di Ricerca Genetica e Biomedica (IRGB), CNR, 20138 Milan, Italy
| | - Marianna Paulis
- IRCCS Humanitas Research Hospital, 20089 Rozzano, Italy; (I.R.); (L.S.)
- UOS Milan Unit, Istituto di Ricerca Genetica e Biomedica (IRGB), CNR, 20138 Milan, Italy
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Uno N, Satofuka H, Miyamoto H, Honma K, Suzuki T, Yamazaki K, Ito R, Moriwaki T, Hamamichi S, Tomizuka K, Oshimura M, Kazuki Y. Treatment of CHO cells with Taxol and reversine improves micronucleation and microcell-mediated chromosome transfer efficiency. MOLECULAR THERAPY. NUCLEIC ACIDS 2023; 33:391-403. [PMID: 37547291 PMCID: PMC10403731 DOI: 10.1016/j.omtn.2023.07.002] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 07/25/2022] [Accepted: 07/11/2023] [Indexed: 08/08/2023]
Abstract
Microcell-mediated chromosome transfer is an attractive technique for transferring chromosomes from donor cells to recipient cells and has enabled the generation of cell lines and humanized animal models that contain megabase-sized gene(s). However, improvements in chromosomal transfer efficiency are still needed to accelerate the production of these cells and animals. The chromosomal transfer protocol consists of micronucleation, microcell formation, and fusion of donor cells with recipient cells. We found that the combination of Taxol (paclitaxel) and reversine rather than the conventional reagent colcemid resulted in highly efficient micronucleation and substantially improved chromosomal transfer efficiency from Chinese hamster ovary donor cells to HT1080 and NIH3T3 recipient cells by up to 18.3- and 4.9-fold, respectively. Furthermore, chromosome transfer efficiency to human induced pluripotent stem cells, which rarely occurred with colcemid, was also clearly improved after Taxol and reversine treatment. These results might be related to Taxol increasing the number of spindle poles, leading to multinucleation and delaying mitosis, and reversine inducing mitotic slippage and decreasing the duration of mitosis. Here, we demonstrated that an alternative optimized protocol improved chromosome transfer efficiency into various cell lines. These data advance chromosomal engineering technology and the use of human artificial chromosomes in genetic and regenerative medical research.
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Affiliation(s)
- Narumi Uno
- Laboratory of Bioengineering, Faculty of Life Sciences, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo 192-0392, Japan
- Chromosome Engineering Research Center, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
| | - Hiroyuki Satofuka
- Chromosome Engineering Research Center, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
| | - Hitomaru Miyamoto
- Department of Chromosome Biomedical Engineering, School of Life Science, Faculty of Medicine, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
| | - Kazuhisa Honma
- Department of Chromosome Biomedical Engineering, School of Life Science, Faculty of Medicine, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
| | - Teruhiko Suzuki
- Stem Cell Project, Tokyo Metropolitan Institute of Medical Science, Kamikitazawa, Setagaya-ku, Tokyo 156-8506, Japan
| | - Kyotaro Yamazaki
- Department of Chromosome Biomedical Engineering, School of Life Science, Faculty of Medicine, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
- Chromosome Engineering Research Group, The Exploratory Research Center on Life and Living Systems (ExCELLS), National Institutes of Natural Sciences, 5-1 Higashiyama, Myodaiji, Okazaki, Aichi 444-8787, Japan
| | - Ryota Ito
- Laboratory of Bioengineering, Faculty of Life Sciences, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo 192-0392, Japan
| | - Takashi Moriwaki
- Chromosome Engineering Research Center, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
- Department of Chromosome Biomedical Engineering, School of Life Science, Faculty of Medicine, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
| | - Shusei Hamamichi
- Chromosome Engineering Research Center, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
| | - Kazuma Tomizuka
- Laboratory of Bioengineering, Faculty of Life Sciences, Tokyo University of Pharmacy and Life Sciences, 1432-1 Horinouchi, Hachioji, Tokyo 192-0392, Japan
| | - Mitsuo Oshimura
- Chromosome Engineering Research Center, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
| | - Yasuhiro Kazuki
- Chromosome Engineering Research Center, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
- Department of Chromosome Biomedical Engineering, School of Life Science, Faculty of Medicine, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
- Chromosome Engineering Research Group, The Exploratory Research Center on Life and Living Systems (ExCELLS), National Institutes of Natural Sciences, 5-1 Higashiyama, Myodaiji, Okazaki, Aichi 444-8787, Japan
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Serrat J, Torres-Valle M, López-García M, Becerro-Recio D, Siles-Lucas M, González-Miguel J. Molecular Characterization of the Interplay between Fasciola hepatica Juveniles and Laminin as a Mechanism to Adhere to and Break through the Host Intestinal Wall. Int J Mol Sci 2023; 24:8165. [PMID: 37175870 PMCID: PMC10179147 DOI: 10.3390/ijms24098165] [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: 04/11/2023] [Revised: 04/26/2023] [Accepted: 04/28/2023] [Indexed: 05/15/2023] Open
Abstract
Fasciola hepatica is the main causative agent of fasciolosis, a zoonotic parasitic disease of growing public health concern. F. hepatica metacercariae are ingested by the host and excyst in the intestine, thereby releasing the newly excysted juveniles (FhNEJ), which traverse the gut wall and migrate towards the biliary ducts. Since blocking F. hepatica development is challenging after crossing of the intestinal wall, targeting this first step of migration might result in increased therapeutic success. The intestinal extracellular matrix (ECM) is constituted by a network of structural proteins, including laminin (LM) and fibronectin (FN), that provide mechanical support while acting as physical barrier against intestinal pathogens. Here, we employed ELISA and immunofluorescent assays to test for the presence of LM- and FN-binding proteins on a tegument-enriched antigenic fraction of FhNEJ, and further determined their identity by two-dimensional electrophoresis coupled to mass spectrometry. Additionally, we performed enzymatic assays that revealed for the first time the capability of the juvenile-specific cathepsin L3 to degrade LM, and that LM degradation by FhNEJ proteins is further potentiated in the presence of host plasminogen. Finally, a proteomic analysis showed that the interaction with LM triggers protein changes in FhNEJ that may be relevant for parasite growth and adaptation inside the mammalian host. Altogether, our study provides valuable insights into the molecular interplay between FhNEJ and the intestinal ECM, which may lead to the identification of targetable candidates for the development of more effective control strategies against fasciolosis.
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Affiliation(s)
| | | | | | | | | | - Javier González-Miguel
- Laboratory of Helminth Parasites of Zoonotic Importance (ATENEA), Institute of Natural Resources and Agrobiology of Salamanca (IRNASA-CSIC), C/Cordel de Merinas 40-52, 37008 Salamanca, Spain; (J.S.); (M.T.-V.); (M.L.-G.); (D.B.-R.); (M.S.-L.)
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Liskovykh M, Petrov NS, Noskov VN, Masumoto H, Earnshaw WC, Schlessinger D, Shabalina SA, Larionov V, Kouprina N. Actively transcribed rDNA and distal junction (DJ) sequence are involved in association of NORs with nucleoli. Cell Mol Life Sci 2023; 80:121. [PMID: 37043028 PMCID: PMC10097779 DOI: 10.1007/s00018-023-04770-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/30/2022] [Revised: 03/27/2023] [Accepted: 03/28/2023] [Indexed: 04/13/2023]
Abstract
Although they are organelles without a limiting membrane, nucleoli have an exclusive structure, built upon the rDNA-rich acrocentric short arms of five human chromosomes (nucleolar organizer regions or NORs). This has raised the question: what are the structural features of a chromosome required for its inclusion in a nucleolus? Previous work has suggested that sequences adjacent to the tandemly repeated rDNA repeat units (DJ, distal junction sequence) may be involved, and we have extended such studies by addressing several issues related to the requirements for the association of NORs with nucleoli. We exploited both a set of somatic cell hybrids containing individual human acrocentric chromosomes and a set of Human Artificial Chromosomes (HACs) carrying different parts of a NOR, including an rDNA unit or DJ or PJ (proximal junction) sequence. Association of NORs with nucleoli was increased when constituent rDNA was transcribed and may be also affected by the status of heterochromatin blocks formed next to the rDNA arrays. Furthermore, our data suggest that a relatively small size DJ region, highly conserved in evolution, is also involved, along with the rDNA repeats, in the localization of p-arms of acrocentric chromosomes in nucleoli. Thus, we infer a cooperative action of rDNA sequence-stimulated by its activity-and sequences distal to rDNA contributing to incorporation into nucleoli. Analysis of NOR sequences also identified LncRNA_038958 in the DJ, a candidate transcript with the region of the suggested promoter that is located close to the DJ/rDNA boundary and contains CTCF binding sites. This LncRNA may affect RNA Polymerase I and/or nucleolar activity. Our findings provide the basis for future studies to determine which RNAs and proteins interact critically with NOR sequences to organize the higher-order structure of nucleoli and their function in normal cells and pathological states.
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Affiliation(s)
- Mikhail Liskovykh
- Developmental Therapeutics Branch, National Cancer Institute, NIH, Bethesda, MD, 20892, USA.
| | - Nikolai S Petrov
- Developmental Therapeutics Branch, National Cancer Institute, NIH, Bethesda, MD, 20892, USA
| | - Vladimir N Noskov
- Developmental Therapeutics Branch, National Cancer Institute, NIH, Bethesda, MD, 20892, USA
| | - Hiroshi Masumoto
- Laboratory of Chromosome Engineering, Department of Frontier Research and Development, Kazusa DNA Research Institute, Kisarazu, Chiba, 292-0818, Japan
| | - William C Earnshaw
- Wellcome Centre for Cell Biology, University of Edinburgh, Edinburgh, EH9 3JR, Scotland, UK
| | - David Schlessinger
- National Institute on Aging, Laboratory of Genetics and Genomics, NIH, Baltimore, MD, 21224, USA
| | - Svetlana A Shabalina
- National Center for Biotechnology Information, National Library of Medicine, NIH, Bethesda, MD, 20892, USA
| | - Vladimir Larionov
- Developmental Therapeutics Branch, National Cancer Institute, NIH, Bethesda, MD, 20892, USA.
| | - Natalay Kouprina
- Developmental Therapeutics Branch, National Cancer Institute, NIH, Bethesda, MD, 20892, USA.
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Ponomartsev SV, Sinenko SA, Tomilin AN. Human Artificial Chromosomes and Their Transfer to Target Cells. Acta Naturae 2022; 14:35-45. [PMID: 36348716 PMCID: PMC9611860 DOI: 10.32607/actanaturae.11670] [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: 12/27/2021] [Accepted: 07/12/2022] [Indexed: 11/02/2023] Open
Abstract
Human artificial chromosomes (HACs) have been developed as genetic vectors with the capacity to carry large transgenic constructs or entire gene loci. HACs represent either truncated native chromosomes or de novo synthesized genetic constructs. The important features of HACs are their ultra-high capacity and ability to self-maintain as independent genetic elements, without integrating into host chromosomes. In this review, we discuss the development and construction methods, structural and functional features, as well as the areas of application of the main HAC types. Also, we address one of the most technically challenging and time-consuming steps in this technology - the transfer of HACs from donor to recipient cells.
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Affiliation(s)
- S. V. Ponomartsev
- Institute of Cytology Russian Academy of Sciences, St. Petersburg, 194064 Russia
| | - S. A. Sinenko
- Institute of Cytology Russian Academy of Sciences, St. Petersburg, 194064 Russia
| | - A. N. Tomilin
- Institute of Cytology Russian Academy of Sciences, St. Petersburg, 194064 Russia
- Institute of Translational Biomedicine, St. Petersburg State University, St. Petersburg, 199034 Russia
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Bianconi E, Tassinari R, Alessandrini A, Ragazzini G, Cavallini C, Abruzzo PM, Petrocelli G, Pampanella L, Casadei R, Maioli M, Canaider S, Facchin F, Ventura C. Cytochalasin B Modulates Nanomechanical Patterning and Fate in Human Adipose-Derived Stem Cells. Cells 2022; 11:cells11101629. [PMID: 35626666 PMCID: PMC9139657 DOI: 10.3390/cells11101629] [Citation(s) in RCA: 8] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/23/2022] [Revised: 05/05/2022] [Accepted: 05/09/2022] [Indexed: 11/16/2022] Open
Abstract
Cytoskeletal proteins provide architectural and signaling cues within cells. They are able to reorganize themselves in response to mechanical forces, converting the stimuli received into specific cellular responses. Thus, the cytoskeleton influences cell shape, proliferation, and even differentiation. In particular, the cytoskeleton affects the fate of mesenchymal stem cells (MSCs), which are highly attractive candidates for cell therapy approaches due to their capacity for self-renewal and multi-lineage differentiation. Cytochalasin B (CB), a cyto-permeable mycotoxin, is able to inhibit the formation of actin microfilaments, resulting in direct effects on cell biological properties. Here, we investigated for the first time the effects of different concentrations of CB (0.1–10 μM) on human adipose-derived stem cells (hASCs) both after 24 h (h) of CB treatment and 24 h after CB wash-out. CB influenced the metabolism, proliferation, and morphology of hASCs in a dose-dependent manner, in association with progressive disorganization of actin microfilaments. Furthermore, the removal of CB highlighted the ability of cells to restore their cytoskeletal organization. Finally, atomic force microscopy (AFM) revealed that cytoskeletal changes induced by CB modulated the viscoelastic properties of hASCs, influencing their stiffness and viscosity, thereby affecting adipogenic fate.
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Affiliation(s)
- Eva Bianconi
- Laboratory of Cardiovascular Biology, IRCCS Ospedale Policlinico San Martino, Viale Rosanna Benzi 10, 16132 Genova, Italy;
- National Laboratory of Molecular Biology and Stem Cell Bioengineering of the National Institute of Biostructures and Biosystems (NIBB)—Eldor Lab, Innovation Accelerator, CNR, Via Piero Gobetti 101, 40129 Bologna, Italy; (R.T.); (C.C.); (C.V.)
| | - Riccardo Tassinari
- National Laboratory of Molecular Biology and Stem Cell Bioengineering of the National Institute of Biostructures and Biosystems (NIBB)—Eldor Lab, Innovation Accelerator, CNR, Via Piero Gobetti 101, 40129 Bologna, Italy; (R.T.); (C.C.); (C.V.)
| | - Andrea Alessandrini
- Department of Physics, Informatics and Mathematics, University of Modena and Reggio Emilia, Via Campi 213/A, 41125 Modena, Italy; (A.A.); (G.R.)
- CNR-Nanoscience Institute-S3, Via Campi 213/A, 41125 Modena, Italy
| | - Gregorio Ragazzini
- Department of Physics, Informatics and Mathematics, University of Modena and Reggio Emilia, Via Campi 213/A, 41125 Modena, Italy; (A.A.); (G.R.)
- CNR-Nanoscience Institute-S3, Via Campi 213/A, 41125 Modena, Italy
| | - Claudia Cavallini
- National Laboratory of Molecular Biology and Stem Cell Bioengineering of the National Institute of Biostructures and Biosystems (NIBB)—Eldor Lab, Innovation Accelerator, CNR, Via Piero Gobetti 101, 40129 Bologna, Italy; (R.T.); (C.C.); (C.V.)
| | - Provvidenza Maria Abruzzo
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Via Massarenti 9, 40138 Bologna, Italy; (P.M.A.); (G.P.); (L.P.)
| | - Giovannamaria Petrocelli
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Via Massarenti 9, 40138 Bologna, Italy; (P.M.A.); (G.P.); (L.P.)
| | - Luca Pampanella
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Via Massarenti 9, 40138 Bologna, Italy; (P.M.A.); (G.P.); (L.P.)
| | - Raffaella Casadei
- Department for Life Quality Studies (QuVi), University of Bologna, Corso D’Augusto 237, 47921 Rimini, Italy;
| | - Margherita Maioli
- Department of Biomedical Sciences, University of Sassari, Viale San Pietro 43/B, 07100 Sassari, Italy;
| | - Silvia Canaider
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Via Massarenti 9, 40138 Bologna, Italy; (P.M.A.); (G.P.); (L.P.)
- Correspondence: (S.C.); (F.F.); Tel.: +39-051-2094114 (S.C.); +39-051-2094104 (F.F.)
| | - Federica Facchin
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Via Massarenti 9, 40138 Bologna, Italy; (P.M.A.); (G.P.); (L.P.)
- Correspondence: (S.C.); (F.F.); Tel.: +39-051-2094114 (S.C.); +39-051-2094104 (F.F.)
| | - Carlo Ventura
- National Laboratory of Molecular Biology and Stem Cell Bioengineering of the National Institute of Biostructures and Biosystems (NIBB)—Eldor Lab, Innovation Accelerator, CNR, Via Piero Gobetti 101, 40129 Bologna, Italy; (R.T.); (C.C.); (C.V.)
- Department of Experimental, Diagnostic and Specialty Medicine (DIMES), University of Bologna, Via Massarenti 9, 40138 Bologna, Italy; (P.M.A.); (G.P.); (L.P.)
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Lee NCO, Petrov NS, Larionov V, Kouprina N. Assembly of Multiple Full-Size Genes or Genomic DNA Fragments on Human Artificial Chromosomes Using the Iterative Integration System. Curr Protoc 2021; 1:e316. [PMID: 34919348 PMCID: PMC8730363 DOI: 10.1002/cpz1.316] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/04/2022]
Abstract
Human artificial chromosomes (HACs) are gene delivery vectors that have been used for decades for gene functional studies. HACs have several advantages over viral‐based gene transfer systems, including stable episomal maintenance in a single copy in the cell and the ability to carry up to megabase‐sized genomic DNA segments. We have previously developed the alphoidtetO‐HAC, which has a single gene acceptor loxP site that allows insertion of an individual gene of interest using Chinese hamster ovary (CHO) hybrid cells. The HAC, along with a DNA segment of interest, can then be transferred from donor CHO cells to various recipient cells of interest via microcell‐mediated chromosome transfer (MMCT). Here, we detail a protocol for loading multiple genomic DNA segments or genes into the alphoidtetO‐HAC vector using an iterative integration system (IIS) that utilizes recombinases Cre, ΦC31, and ΦBT. This IIS‐alphoidtetO‐HAC can be used for either serially assembling genomic loci or fragments of a large gene, or for inserting multiple genes into the same artificial chromosome. The insertions are executed iteratively, whereby each round results in the insertion of a new DNA segment of interest. This is accompanied by changes of expression of marker fluorescent proteins, which simplifies screening of correct clones, and changes of selection and counterselection markers, which constitutes an error‐proofing mechanism that removes mis‐incorporated DNA segments. In addition, the IIS‐alphoidtetO‐HAC carrying the genes can be eliminated from the cells, offering the possibility to compare the phenotypes of human cells with and without functional copies of the genes of interest. The resulting HAC molecules may be used to investigate biomedically relevant pathways or the regulation of multiple genes, and to potentially engineer synthetic chromosomes with a specific set of genes of interest. The IIS‐alphoidtetO‐HAC system is expected to be beneficial in creating multiple‐gene humanized models with the purpose of understanding complex multi‐gene genetic disorders. Published 2021. This article is a U.S. Government work and is in the public domain in the USA. Current Protocols published by Wiley Periodicals LLC. Basic Protocol 1: Integration of the first DNA segment of interest into the IIS‐alphoidteto‐HAC Basic Protocol 2: Integration of a second DNA segment of interest into the IIS‐alphoidteto‐HAC Basic Protocol 3: Integration of a third DNA segment of interest into the IIS‐alphoidteto‐HAC Support Protocol: Fluorescence in situ hybridization analysis for the circular IIS‐alphoidtetO‐HAC
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Affiliation(s)
- Nicholas C O Lee
- Developmental Therapeutics Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Nikolai S Petrov
- Developmental Therapeutics Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Vladimir Larionov
- Developmental Therapeutics Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Natalay Kouprina
- Developmental Therapeutics Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
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10
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Dastjerd NT, Valibeik A, Rahimi Monfared S, Goodarzi G, Moradi Sarabi M, Hajabdollahi F, Maniati M, Amri J, Samavarchi Tehrani S. Gene therapy: A promising approach for breast cancer treatment. Cell Biochem Funct 2021; 40:28-48. [PMID: 34904722 DOI: 10.1002/cbf.3676] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/05/2021] [Revised: 11/11/2021] [Accepted: 11/16/2021] [Indexed: 02/06/2023]
Abstract
Breast cancer (BC) is the most prevalent malignancy and the second leading cause of death among women worldwide that is caused by numerous genetic and environmental factors. Hence, effective treatment for this type of cancer requires new therapeutic approaches. The traditional methods for treating this cancer have side effects, therefore so much research have been performed in last decade to find new methods to alleviate these problems. The study of the molecular basis of breast cancer has led to the introduction of gene therapy as an effective therapeutic approach for this cancer. Gene therapy involves sending genetic material through a vector into target cells, which is followed by a correction, addition, or suppression of the gene. In this technique, it is necessary to target tumour cells without affecting normal cells. In addition, clinical trial studies have shown that this approach is less toxic than traditional therapies. This study will review various aspects of breast cancer, gene therapy strategies, limitations, challenges and recent studies in this area.
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Affiliation(s)
- Niloufar Tavakoli Dastjerd
- Department of Medical Biotechnology, School of Allied Medical Sciences, Qazvin University of Medical Sciences, Qazvin, Iran
| | - Ali Valibeik
- Department of Clinical Biochemistry, School of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Sobhan Rahimi Monfared
- Department of Clinical Biochemistry, School of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Golnaz Goodarzi
- Department of Clinical Biochemistry, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.,Student Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Mostafa Moradi Sarabi
- Department of Biochemistry and Genetics, School of Medicine, Lorestan University of Medical Sciences, Khorramabad, Iran
| | - Faezeh Hajabdollahi
- Department of Anatomical Sciences, School of Medicine, Mazandaran University of Medical Sciences, Sari, Iran
| | - Mahmood Maniati
- English Department, Ahvaz Jundishapur University of Medical Sciences, Ahvaz, Iran
| | - Jamal Amri
- Department of Clinical Biochemistry, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.,Student Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
| | - Sadra Samavarchi Tehrani
- Department of Clinical Biochemistry, School of Medicine, Tehran University of Medical Sciences, Tehran, Iran.,Student Scientific Research Center, Tehran University of Medical Sciences, Tehran, Iran
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11
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Liskovykh M, Larionov V, Kouprina N. Highly Efficient Microcell-Mediated Transfer of HACs Containing a Genomic Region of Interest into Mammalian Cells. Curr Protoc 2021; 1:e236. [PMID: 34491634 PMCID: PMC10758282 DOI: 10.1002/cpz1.236] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/13/2022]
Abstract
Human artificial chromosomes (HACs) are considered promising tools for gene delivery, functional analyses, and gene therapy. HACs have the potential to overcome many of the problems caused by the use of viral-based gene transfer systems, such as limited cloning capacity, lack of copy number control, and insertional mutagenesis during integration into host chromosomes. The recently developed alphoidtetO -HAC has an advantage over other HAC vectors because it can be easily eliminated from dividing cells by inactivation of its conditional kinetochore. This provides a unique control mechanism to study phenotypes induced by a gene or genes carried on the HAC. The alphoidtetO -HAC has a single gene acceptor loxP site that allows insertion of an individual gene of interest or a cluster of genes of up to several Mb in size in Chinese hamster ovary (CHO) hybrid cells. The HACs carrying chromosomal copies of genes can then be transferred from these donor CHO cells to different recipient cells of interest via microcell-mediated chromosome transfer (MMCT). Here, we describe a detailed protocol for loading a gene of interest into the alphoidtetO -HAC vector and for the subsequent transfer of the HAC to recipient cells using an improved MMCT protocol. The original MMCT protocol includes treatment of donor cells with colcemid to induce micronucleation, wherein the HAC becomes surrounded with a nuclear membrane. That step is followed by disarrangement of the actin cytoskeleton using cytochalasin B to help induce microcell formation. The updated MMCT protocol, described here, features the replacement of colcemid and cytochalasin B with TN16 + griseofulvin and latrunculin B, respectively, and the use of collagen/laminin surface coating to promote attachment of metaphase cells to plates during micronuclei induction. These modifications increase the efficiency of HAC transfer to recipient cells ten fold. The improved MMCT protocol has been successfully tested on several recipient cell lines, including human mesenchymal stem cells and mouse embryonic stem cells. © 2021 The Authors. Current Protocols published by Wiley Periodicals LLC. Basic Protocol 1: Insertion of a BAC containing a gene of interest into a single loxP loading site of alphoidtetO -HAC in hamster CHO cells Basic Protocol 2: Microcell-mediated chromosome transfer from donor hamster CHO cells to mammalian cells.
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Affiliation(s)
- Mikhail Liskovykh
- Developmental Therapeutics Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Vladimir Larionov
- Developmental Therapeutics Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
| | - Natalay Kouprina
- Developmental Therapeutics Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland
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12
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Grazioli S, Petris G. Synthetic genomics for curing genetic diseases. PROGRESS IN MOLECULAR BIOLOGY AND TRANSLATIONAL SCIENCE 2021; 182:477-520. [PMID: 34175051 DOI: 10.1016/bs.pmbts.2021.02.002] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Subscribe] [Scholar Register] [Indexed: 11/29/2022]
Abstract
From the beginning of the genome sequencing era, it has become increasingly evident that genetics plays a role in all diseases, of which only a minority are single-gene disorders, the most common target of current gene therapies. However, the majority of people have some kind of health problems resulting from congenital genetic mutations (over 6000 diseases have been associated to genes, https://www.omim.org/statistics/geneMap) and most genetic disorders are rare and only incompletely understood. The vision and techniques applied to the synthesis of genomes may help to address unmet medical needs from a chromosome and genome-scale perspective. In this chapter, we address the potential therapy of genetic diseases from a different outlook, in which we no longer focus on small gene corrections but on higher-order tools for genome manipulation. These will play a crucial role in the next years, as they prelude to a much deeper understanding of the architecture of the human genome and a more accurate modeling of human diseases, offering new therapeutic opportunities.
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Affiliation(s)
| | - Gianluca Petris
- Medical Research Council Laboratory of Molecular Biology (MRC LMB), Cambridge, United Kingdom.
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13
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Kazuki Y, Uno N, Abe S, Kajitani N, Kazuki K, Yakura Y, Sawada C, Takata S, Sugawara M, Nagashima Y, Okada A, Hiratsuka M, Osaki M, Ferrari G, Tedesco FS, Nishikawa S, Fukumoto K, Takayanagi SI, Kunisato A, Kaneko S, Oshimura M, Tomizuka K. Engineering of human induced pluripotent stem cells via human artificial chromosome vectors for cell therapy and disease modeling. MOLECULAR THERAPY. NUCLEIC ACIDS 2021; 23:629-639. [PMID: 33552683 PMCID: PMC7819819 DOI: 10.1016/j.omtn.2020.12.012] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Accepted: 12/11/2020] [Indexed: 02/04/2023]
Abstract
Genetic engineering of induced pluripotent stem cells (iPSCs) holds great promise for gene and cell therapy as well as drug discovery. However, there are potential concerns regarding the safety and control of gene expression using conventional vectors such as viruses and plasmids. Although human artificial chromosome (HAC) vectors have several advantages as a gene delivery vector, including stable episomal maintenance and the ability to carry large gene inserts, the full potential of HAC transfer into iPSCs still needs to be explored. Here, we provide evidence of a HAC transfer into human iPSCs by microcell-mediated chromosome transfer via measles virus envelope proteins for various applications, including gene and cell therapy, establishment of versatile human iPSCs capable of gene loading and differentiation into T cells, and disease modeling for aneuploidy syndrome. Thus, engineering of human iPSCs via desired HAC vectors is expected to be widely applied in biomedical research.
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Affiliation(s)
- Yasuhiro Kazuki
- Division of Genome and Cellular Functions, Department of Molecular and Cellular Biology, School of Life Science, Faculty of Medicine, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
- Chromosome Engineering Research Center (CERC), Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
| | - Narumi Uno
- Division of Genome and Cellular Functions, Department of Molecular and Cellular Biology, School of Life Science, Faculty of Medicine, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
- Chromosome Engineering Research Center (CERC), Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
- Laboratory of Bioengineering, Tokyo University of Pharmacy and Life Sciences, 1432-1, Horinouchi, Hachioji, Tokyo 192-0392, Japan
| | - Satoshi Abe
- Chromosome Engineering Research Center (CERC), Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
| | - Naoyo Kajitani
- Chromosome Engineering Research Center (CERC), Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
| | - Kanako Kazuki
- Chromosome Engineering Research Center (CERC), Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
| | - Yuwna Yakura
- Chromosome Engineering Research Center (CERC), Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
| | - Chiaki Sawada
- Division of Genome and Cellular Functions, Department of Molecular and Cellular Biology, School of Life Science, Faculty of Medicine, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
| | - Shuta Takata
- Division of Genome and Cellular Functions, Department of Molecular and Cellular Biology, School of Life Science, Faculty of Medicine, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
| | - Masaki Sugawara
- Division of Genome and Cellular Functions, Department of Molecular and Cellular Biology, School of Life Science, Faculty of Medicine, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
| | - Yuichi Nagashima
- Division of Genome and Cellular Functions, Department of Molecular and Cellular Biology, School of Life Science, Faculty of Medicine, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
| | - Akane Okada
- Division of Genome and Cellular Functions, Department of Molecular and Cellular Biology, School of Life Science, Faculty of Medicine, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
| | - Masaharu Hiratsuka
- Division of Genome and Cellular Functions, Department of Molecular and Cellular Biology, School of Life Science, Faculty of Medicine, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
| | - Mitsuhiko Osaki
- Division of Experimental Pathology, Faculty of Medicine, Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
| | - Giulia Ferrari
- Department of Cell and Developmental Biology, University College London, London WC1E 6DE, UK
| | - Francesco Saverio Tedesco
- Department of Cell and Developmental Biology, University College London, London WC1E 6DE, UK
- Dubowitz Neuromuscular Centre, Great Ormond Street Institute of Child Health, University College London, London WC1N 1EH, UK
- The Francis Crick Institute, London NW1 1AT, UK
| | - Satoshi Nishikawa
- Regenerative Medicine Research Laboratories, Research Functions Unit, R&D Division, Kyowa Kirin, Co., Ltd. 3-6-6, Asahi-machi, Machida-shi, Tokyo 194-8533, Japan
| | - Ken Fukumoto
- Cell Therapy Project, R&D Division, Kirin Holdings, Co., Ltd. 1-13-5, Fukuura Kanazawa-ku, Yokohama, Kanagawa 236-0004 Japan
| | - Shin-ichiro Takayanagi
- Cell Therapy Project, R&D Division, Kirin Holdings, Co., Ltd. 1-13-5, Fukuura Kanazawa-ku, Yokohama, Kanagawa 236-0004 Japan
| | - Atsushi Kunisato
- Project Planning Section, Kirin Holdings, Co., Ltd., 4-10-2 Nakano, Nakano-ku, Tokyo 164-0001 Japan
| | - Shin Kaneko
- Shin Kaneko Laboratory, Department of Cell Growth and Differentiation, Center for iPS Cell Research and Application (CiRA), Kyoto University, Kyoto, Japan
| | - Mitsuo Oshimura
- Chromosome Engineering Research Center (CERC), Tottori University, 86 Nishi-cho, Yonago, Tottori 683-8503, Japan
| | - Kazuma Tomizuka
- Laboratory of Bioengineering, Tokyo University of Pharmacy and Life Sciences, 1432-1, Horinouchi, Hachioji, Tokyo 192-0392, Japan
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14
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Sinenko SA, Ponomartsev SV, Tomilin AN. Pluripotent stem cell-based gene therapy approach: human de novo synthesized chromosomes. Cell Mol Life Sci 2021; 78:1207-1220. [PMID: 33011821 PMCID: PMC11072874 DOI: 10.1007/s00018-020-03653-1] [Citation(s) in RCA: 13] [Impact Index Per Article: 4.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/25/2020] [Revised: 09/14/2020] [Accepted: 09/22/2020] [Indexed: 02/06/2023]
Abstract
A novel approach in gene therapy was introduced 20 years ago since artificial non-integrative chromosome-based vectors containing gene loci size inserts were engineered. To date, different human artificial chromosomes (HAC) were generated with the use of de novo construction or "top-down" engineering approaches. The HAC-based therapeutic approach includes ex vivo gene transferring and correction of pluripotent stem cells (PSCs) or highly proliferative modified stem cells. The current progress in the technology of induced PSCs, integrating with the HAC technology, resulted in a novel platform of stem cell-based tissue replacement therapy for the treatment of genetic disease. Nowadays, the sophisticated and laborious HAC technology has significantly improved and is now closer to clinical studies. In here, we reviewed the achievements in the technology of de novo synthesized HACs for a chromosome transfer for developing gene therapy tissue replacement models of monogenic human diseases.
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Affiliation(s)
- Sergey A Sinenko
- Institute of Cytology, Russian Academy of Sciences, 4 Tikhoretsky Ave, St-Petersburg, 194064, Russia.
| | - Sergey V Ponomartsev
- Institute of Cytology, Russian Academy of Sciences, 4 Tikhoretsky Ave, St-Petersburg, 194064, Russia
| | - Alexey N Tomilin
- Institute of Cytology, Russian Academy of Sciences, 4 Tikhoretsky Ave, St-Petersburg, 194064, Russia.
- Institute of Translational Biomedicine, St-Petersburg State University, 7-9, Universitetskaya Emb, St-Petersburg, 199034, Russia.
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15
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Aneuploidy in Cancer: Lessons from Acute Lymphoblastic Leukemia. Trends Cancer 2021; 7:37-47. [PMID: 32952102 DOI: 10.1016/j.trecan.2020.08.008] [Citation(s) in RCA: 15] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/05/2020] [Revised: 08/19/2020] [Accepted: 08/24/2020] [Indexed: 11/22/2022]
Abstract
Aneuploidy, the gain or loss of chromosomes in a cell, is a hallmark of cancer. Although our understanding of the contribution of aneuploidy to cancer initiation and progression is incomplete, significant progress has been made in uncovering the cellular consequences of aneuploidy and how aneuploid cancer cells self-adapt to promote tumorigenesis. Aneuploidy is physiologically associated with significant cellular stress but, paradoxically, it favors tumor progression. Although more common in solid tumors, different forms of aneuploidy represent the initiating oncogenic lesion in patients with B cell acute lymphoblastic leukemia (B-ALL), making B-ALL an excellent model for studying the role of aneuploidy in tumorigenesis. We review the molecular mechanisms underlying aneuploidy and discuss its contributions to B-ALL initiation and progression.
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16
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Pesenti E, Liskovykh M, Okazaki K, Mallozzi A, Reid C, Abad MA, Jeyaprakash AA, Kouprina N, Larionov V, Masumoto H, Earnshaw WC. Analysis of Complex DNA Rearrangements during Early Stages of HAC Formation. ACS Synth Biol 2020; 9:3267-3287. [PMID: 33289546 PMCID: PMC7754191 DOI: 10.1021/acssynbio.0c00326] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/31/2022]
Abstract
Human artificial chromosomes (HACs) are important tools for epigenetic engineering, for measuring chromosome instability (CIN), and for possible gene therapy. However, their use in the latter is potentially limited because the input HAC-seeding DNA can undergo an unpredictable series of rearrangements during HAC formation. As a result, after transfection and HAC formation, each cell clone contains a HAC with a unique structure that cannot be precisely predicted from the structure of the HAC-seeding DNA. Although it has been reported that these rearrangements can happen, the timing and mechanism of their formation has yet to be described. Here we synthesized a HAC-seeding DNA with two distinct structural domains and introduced it into HT1080 cells. We characterized a number of HAC-containing clones and subclones to track DNA rearrangements during HAC establishment. We demonstrated that rearrangements can occur early during HAC formation. Subsequently, the established HAC genomic organization is stably maintained across many cell generations. Thus, early stages in HAC formation appear to at least occasionally involve a process of DNA shredding and shuffling that resembles chromothripsis, an important hallmark of many cancer types. Understanding these events during HAC formation has critical implications for future efforts aimed at synthesizing and exploiting synthetic human chromosomes.
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Affiliation(s)
- Elisa Pesenti
- Wellcome
Trust Centre for Cell Biology, Edinburgh EH9 3BF, United Kingdom,
| | - Mikhail Liskovykh
- National
Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892, United States
| | - Koei Okazaki
- Kazusa
DNA Research Institute, Kisarazu 292-0818, Japan
| | - Alessio Mallozzi
- Wellcome
Trust Centre for Cell Biology, Edinburgh EH9 3BF, United Kingdom
| | - Caitlin Reid
- Wellcome
Trust Centre for Cell Biology, Edinburgh EH9 3BF, United Kingdom
| | - Maria Alba Abad
- Wellcome
Trust Centre for Cell Biology, Edinburgh EH9 3BF, United Kingdom
| | | | - Natalay Kouprina
- National
Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892, United States
| | - Vladimir Larionov
- National
Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892, United States
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17
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Khan AH, Lin A, Wang RT, Bloom JS, Lange K, Smith DJ. Pooled analysis of radiation hybrids identifies loci for growth and drug action in mammalian cells. Genome Res 2020; 30:1458-1467. [PMID: 32878976 PMCID: PMC7605260 DOI: 10.1101/gr.262204.120] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/10/2020] [Accepted: 08/26/2020] [Indexed: 12/16/2022]
Abstract
Genetic screens in mammalian cells commonly focus on loss-of-function approaches. To evaluate the phenotypic consequences of extra gene copies, we used bulk segregant analysis (BSA) of radiation hybrid (RH) cells. We constructed six pools of RH cells, each consisting of ∼2500 independent clones, and placed the pools under selection in media with or without paclitaxel. Low pass sequencing identified 859 growth loci, 38 paclitaxel loci, 62 interaction loci, and three loci for mitochondrial abundance at genome-wide significance. Resolution was measured as ∼30 kb, close to single-gene. Divergent properties were displayed by the RH-BSA growth genes compared to those from loss-of-function screens, refuting the balance hypothesis. In addition, enhanced retention of human centromeres in the RH pools suggests a new approach to functional dissection of these chromosomal elements. Pooled analysis of RH cells showed high power and resolution and should be a useful addition to the mammalian genetic toolkit.
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Affiliation(s)
- Arshad H Khan
- Department of Molecular and Medical Pharmacology, David Geffen School of Medicine, UCLA, Los Angeles, California 90095-1735, USA
| | - Andy Lin
- Office of Information Technology, UCLA, Los Angeles, California 90095-1557, USA
| | - Richard T Wang
- Department of Human Genetics, David Geffen School of Medicine, UCLA, Los Angeles, California 90095-7088, USA
| | - Joshua S Bloom
- Department of Human Genetics, David Geffen School of Medicine, UCLA, Los Angeles, California 90095-7088, USA
- Howard Hughes Medical Institute, David Geffen School of Medicine, UCLA, Los Angeles, California 90095-7088, USA
| | - Kenneth Lange
- Department of Human Genetics, David Geffen School of Medicine, UCLA, Los Angeles, California 90095-7088, USA
| | - Desmond J Smith
- Department of Molecular and Medical Pharmacology, David Geffen School of Medicine, UCLA, Los Angeles, California 90095-1735, USA
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18
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Wang C, Chang CC, Wang L, Yuan F. Inhibition of Caspases Improves Non-Viral T Cell Receptor Editing. Cancers (Basel) 2020; 12:E2603. [PMID: 32933048 PMCID: PMC7565551 DOI: 10.3390/cancers12092603] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/16/2020] [Revised: 09/04/2020] [Accepted: 09/08/2020] [Indexed: 12/13/2022] Open
Abstract
T cell receptor (TCR) knockout is a critical step in producing universal chimeric antigen receptor T cells for cancer immunotherapy. A promising approach to achieving the knockout is to deliver the CRISPR/Cas9 system into cells using electrotransfer technology. However, clinical applications of the technology are currently limited by the low cell viability. In this study, we attempt to solve the problem by screening small molecule drugs with an immortalized human T cell line, Jurkat clone E6-1, for inhibition of apoptosis. The study identifies a few caspase inhibitors that could be used to simultaneously enhance the cell viability and the efficiency of plasmid DNA electrotransfer. Additionally, we show that the enhancement could be achieved through knockdown of caspase 3 expression in siRNA treated cells, suggesting that the cell death in electrotransfer experiments was caused mainly by caspase 3-dependent apoptosis. Finally, we investigated if the caspase inhibitors could improve TCR gene-editing with electrotransferred ribonucleoprotein, a complex of Cas9 protein and a T cell receptor-α constant (TRAC)-targeting single guide RNA (sgRNA). Our data showed that inhibition of caspases post electrotransfer could significantly increase cell viability without compromising the TCR disruption efficiency. These new findings can be used to improve non-viral T cell engineering.
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Affiliation(s)
| | | | | | - Fan Yuan
- Department of Biomedical Engineering, Duke University, Durham, NC 27708, USA; (C.W.); (C.-C.C.); or (L.W.)
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19
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Ikeno M, Hasegawa Y. Applications of bottom-up human artificial chromosomes in cell research and cell engineering. Exp Cell Res 2020; 390:111793. [PMID: 31874174 DOI: 10.1016/j.yexcr.2019.111793] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/05/2019] [Accepted: 12/20/2019] [Indexed: 02/06/2023]
Abstract
Chromosome manipulation is a useful technique in biological science. We have constructed human artificial chromosomes (HACs) based on the transfection of centromeric alphoid DNA precursors into cultured human cells. Moreover, HAC-based technology has been developed into a novel gene expression vector tool for introducing large-size genomic DNA. This technique provides natural expression, as well as stable expression without the gene silencing that often occurs with conventional vectors in mammalian cells. Here we review the properties of HACs, and issues regarding the use of HAC technology for basic and applied research.
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Affiliation(s)
- Masashi Ikeno
- Department of Medical Biology, Aichi Medical University, Nagakute, Aichi, Japan.
| | - Yoshinori Hasegawa
- Laboratory of Clinical Omics Research, Department of Applied Genomics, Kazusa DNA Research Institute, Chiba, Japan
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20
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Human Alphoid tetO Artificial Chromosome as a Gene Therapy Vector for the Developing Hemophilia A Model in Mice. Cells 2020; 9:cells9040879. [PMID: 32260189 PMCID: PMC7226776 DOI: 10.3390/cells9040879] [Citation(s) in RCA: 14] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/28/2020] [Revised: 03/28/2020] [Accepted: 03/30/2020] [Indexed: 01/17/2023] Open
Abstract
Human artificial chromosomes (HACs), including the de novo synthesized alphoidtetO-HAC, are a powerful tool for introducing genes of interest into eukaryotic cells. HACs are mitotically stable, non-integrative episomal units that have a large transgene insertion capacity and allow efficient and stable transgene expression. Previously, we have shown that the alphoidtetO-HAC vector does not interfere with the pluripotent state and provides stable transgene expression in human induced pluripotent cells (iPSCs) and mouse embryonic stem cells (ESCs). In this study, we have elaborated on a mouse model of ex vivo iPSC- and HAC-based treatment of hemophilia A monogenic disease. iPSCs were developed from FVIIIY/− mutant mice fibroblasts and FVIII cDNA, driven by a ubiquitous promoter, was introduced into the alphoidtetO-HAC in hamster CHO cells. Subsequently, the therapeutic alphoidtetO-HAC-FVIII was transferred into the FVIIIY/– iPSCs via the retro-microcell-mediated chromosome transfer method. The therapeutic HAC was maintained as an episomal non-integrative vector in the mouse iPSCs, showing a constitutive FVIII expression. This study is the first step towards treatment development for hemophilia A monogenic disease with the use of a new generation of the synthetic chromosome vector—the alphoidtetO-HAC.
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21
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Sinenko SA, Ponomartsev SV, Tomilin AN. Human artificial chromosomes for pluripotent stem cell-based tissue replacement therapy. Exp Cell Res 2020; 389:111882. [DOI: 10.1016/j.yexcr.2020.111882] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2019] [Revised: 01/23/2020] [Accepted: 01/29/2020] [Indexed: 02/08/2023]
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22
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Enhanced chromosome extraction from cells using a pinched flow microfluidic device. Biomed Microdevices 2020; 22:25. [DOI: 10.1007/s10544-020-0477-7] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/19/2023]
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23
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Current advances in microcell-mediated chromosome transfer technology and its applications. Exp Cell Res 2020; 390:111915. [PMID: 32092294 DOI: 10.1016/j.yexcr.2020.111915] [Citation(s) in RCA: 9] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/02/2019] [Revised: 02/06/2020] [Accepted: 02/19/2020] [Indexed: 11/22/2022]
Abstract
Chromosomes and chromosomal gene delivery vectors, human/mouse artificial chromosomes (HACs/MACs), can introduce megabase-order DNA sequences into target cells and are used for applications including gene mapping, gene expression control, gene/cell therapy, and the development of humanized animals and animal models of human disease. Microcell-mediated chromosome transfer (MMCT), which enables chromosome transfer from donor cells to target cells, is a key technology for these applications. In this review, we summarize the principles of gene transfer with HACs/MACs; their engineering, characteristics, and utility; and recent advances in the chromosome transfer technology.
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24
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Paulis M, Susani L, Castelli A, Suzuki T, Hara T, Straniero L, Duga S, Strina D, Mantero S, Caldana E, Sergi LS, Villa A, Vezzoni P. Chromosome Transplantation: A Possible Approach to Treat Human X-linked Disorders. MOLECULAR THERAPY-METHODS & CLINICAL DEVELOPMENT 2020; 17:369-377. [PMID: 32099849 PMCID: PMC7029378 DOI: 10.1016/j.omtm.2020.01.003] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 10/21/2019] [Accepted: 01/07/2020] [Indexed: 01/06/2023]
Abstract
Many human genetic diseases are associated with gross mutations such as aneuploidies, deletions, duplications, or inversions. For these “structural” disorders, conventional gene therapy, based on viral vectors and/or on programmable nuclease-mediated homologous recombination, is still unsatisfactory. To correct such disorders, chromosome transplantation (CT), defined as the perfect substitution of an endogenous defective chromosome with an exogenous normal one, could be applied. CT re-establishes a normal diploid cell, leaving no marker of the procedure, as we have recently shown in mouse pluripotent stem cells. To prove the feasibility of the CT approach in human cells, we used human induced pluripotent stem cells (hiPSCs) reprogrammed from Lesch-Nyhan (LN) disease patients, taking advantage of their mutation in the X-linked HPRT gene, making the LN cells selectable and distinguishable from the resistant corrected normal cells. In this study, we demonstrate, for the first time, that CT is feasible in hiPSCs: the normal exogenous X chromosome was first transferred using an improved chromosome transfer system, and the extra sex chromosome was spontaneously lost. These CT cells were functionally corrected and maintained their pluripotency and differentiation capability. By inactivation of the autologous HPRT gene, CT paves the way to the correction of hiPSCs from several X-linked disorders.
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Affiliation(s)
- Marianna Paulis
- National Research Council (CNR)-IRGB/UOS, Milan, Italy.,Humanitas Clinical and Research Center, Rozzano (MI), Italy
| | - Lucia Susani
- National Research Council (CNR)-IRGB/UOS, Milan, Italy.,Humanitas Clinical and Research Center, Rozzano (MI), Italy
| | - Alessandra Castelli
- National Research Council (CNR)-IRGB/UOS, Milan, Italy.,Humanitas Clinical and Research Center, Rozzano (MI), Italy
| | - Teruhiko Suzuki
- Stem Cell Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Takahiko Hara
- Stem Cell Project, Tokyo Metropolitan Institute of Medical Science, Tokyo, Japan
| | - Letizia Straniero
- Department of Biomedical Sciences, Humanitas University, Pieve Emanuele (MI), Italy
| | - Stefano Duga
- Humanitas Clinical and Research Center, Rozzano (MI), Italy.,Department of Biomedical Sciences, Humanitas University, Pieve Emanuele (MI), Italy
| | - Dario Strina
- National Research Council (CNR)-IRGB/UOS, Milan, Italy.,Humanitas Clinical and Research Center, Rozzano (MI), Italy
| | - Stefano Mantero
- National Research Council (CNR)-IRGB/UOS, Milan, Italy.,Humanitas Clinical and Research Center, Rozzano (MI), Italy
| | - Elena Caldana
- National Research Council (CNR)-IRGB/UOS, Milan, Italy.,Humanitas Clinical and Research Center, Rozzano (MI), Italy
| | | | - Anna Villa
- National Research Council (CNR)-IRGB/UOS, Milan, Italy.,San Raffaele-TIGET, Milan, Italy
| | - Paolo Vezzoni
- National Research Council (CNR)-IRGB/UOS, Milan, Italy.,Humanitas Clinical and Research Center, Rozzano (MI), Italy
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25
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Brown DM, Glass JI. Technology used to build and transfer mammalian chromosomes. Exp Cell Res 2020; 388:111851. [PMID: 31952951 DOI: 10.1016/j.yexcr.2020.111851] [Citation(s) in RCA: 8] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/08/2019] [Revised: 01/09/2020] [Accepted: 01/14/2020] [Indexed: 01/05/2023]
Abstract
In the near twenty-year existence of the human and mammalian artificial chromosome field, the technologies for artificial chromosome construction and installation into desired cell types or organisms have evolved with the rest of modern molecular and synthetic biology. Medical, industrial, pharmaceutical, agricultural, and basic research scientists seek the as yet unrealized promise of human and mammalian artificial chromosomes. Existing technologies for both top-down and bottom-up approaches to construct these artificial chromosomes for use in higher eukaryotes are very different but aspire to achieve similar results. New capacity for production of chromosome sized synthetic DNA will likely shift the field towards more bottom-up approaches, but not completely. Similarly, new approaches to install human and mammalian artificial chromosomes in target cells will compete with the microcell mediated cell transfer methods that currently dominate the field.
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26
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Ling YH, Lin Z, Yuen KWY. Genetic and epigenetic effects on centromere establishment. Chromosoma 2019; 129:1-24. [PMID: 31781852 DOI: 10.1007/s00412-019-00727-3] [Citation(s) in RCA: 7] [Impact Index Per Article: 1.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/27/2019] [Revised: 09/24/2019] [Accepted: 10/10/2019] [Indexed: 01/19/2023]
Abstract
Endogenous chromosomes contain centromeres to direct equal chromosomal segregation in mitosis and meiosis. The location and function of existing centromeres is usually maintained through cell cycles and generations. Recent studies have investigated how the centromere-specific histone H3 variant CENP-A is assembled and replenished after DNA replication to epigenetically propagate the centromere identity. However, existing centromeres occasionally become inactivated, with or without change in underlying DNA sequences, or lost after chromosomal rearrangements, resulting in acentric chromosomes. New centromeres, known as neocentromeres, may form on ectopic, non-centromeric chromosomal regions to rescue acentric chromosomes from being lost, or form dicentric chromosomes if the original centromere is still active. In addition, de novo centromeres can form after chromatinization of purified DNA that is exogenously introduced into cells. Here, we review the phenomena of naturally occurring and experimentally induced new centromeres and summarize the genetic (DNA sequence) and epigenetic features of these new centromeres. We compare the characteristics of new and native centromeres to understand whether there are different requirements for centromere establishment and propagation. Based on our understanding of the mechanisms of new centromere formation, we discuss the perspectives of developing more stably segregating human artificial chromosomes to facilitate gene delivery in therapeutics and research.
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Affiliation(s)
- Yick Hin Ling
- School of Biological Sciences, The University of Hong Kong, Kadoorie Biological Sciences Building, Pokfulam Road, Hong Kong
| | - Zhongyang Lin
- School of Biological Sciences, The University of Hong Kong, Kadoorie Biological Sciences Building, Pokfulam Road, Hong Kong
| | - Karen Wing Yee Yuen
- School of Biological Sciences, The University of Hong Kong, Kadoorie Biological Sciences Building, Pokfulam Road, Hong Kong.
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27
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Liskovykh M, Goncharov NV, Petrov N, Aksenova V, Pegoraro G, Ozbun LL, Reinhold WC, Varma S, Dasso M, Kumeiko V, Masumoto H, Earnshaw WC, Larionov V, Kouprina N. A novel assay to screen siRNA libraries identifies protein kinases required for chromosome transmission. Genome Res 2019; 29:1719-1732. [PMID: 31515286 PMCID: PMC6771407 DOI: 10.1101/gr.254276.119] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/02/2019] [Accepted: 08/21/2019] [Indexed: 12/30/2022]
Abstract
One of the hallmarks of cancer is chromosome instability (CIN), which leads to aneuploidy, translocations, and other chromosome aberrations. However, in the vast majority of human tumors the molecular basis of CIN remains unknown, partly because not all genes controlling chromosome transmission have yet been identified. To address this question, we developed an experimental high-throughput imaging (HTI) siRNA assay that allows the identification of novel CIN genes. Our method uses a human artificial chromosome (HAC) expressing the GFP transgene. When this assay was applied to screen an siRNA library of protein kinases, we identified PINK1, TRIO, IRAK1, PNCK, and TAOK1 as potential novel genes whose knockdown induces various mitotic abnormalities and results in chromosome loss. The HAC-based assay can be applied for screening different siRNA libraries (cell cycle regulation, DNA damage response, epigenetics, and transcription factors) to identify additional genes involved in CIN. Identification of the complete spectrum of CIN genes will reveal new insights into mechanisms of chromosome segregation and may expedite the development of novel therapeutic strategies to target the CIN phenotype in cancer cells.
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Affiliation(s)
- Mikhail Liskovykh
- Developmental Therapeutics Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892, USA
| | - Nikolay V. Goncharov
- Developmental Therapeutics Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892, USA;,School of Biomedicine, Far Eastern Federal University, A.V. Zhirmunsky National Scientific Center of Marine Biology, Far Eastern Branch of Russian Academy of Sciences, Vladivostok, 690000, Russia
| | - Nikolai Petrov
- Developmental Therapeutics Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892, USA
| | - Vasilisa Aksenova
- Division of Molecular and Cellular Biology, National Institute for Child Health and Human Development, National Institutes of Health, Bethesda, Maryland 20892, USA
| | - Gianluca Pegoraro
- High-Throughput Imaging Facility, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892, USA
| | - Laurent L. Ozbun
- High-Throughput Imaging Facility, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892, USA
| | - William C. Reinhold
- Developmental Therapeutics Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892, USA
| | - Sudhir Varma
- Developmental Therapeutics Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892, USA
| | - Mary Dasso
- Division of Molecular and Cellular Biology, National Institute for Child Health and Human Development, National Institutes of Health, Bethesda, Maryland 20892, USA
| | - Vadim Kumeiko
- School of Biomedicine, Far Eastern Federal University, A.V. Zhirmunsky National Scientific Center of Marine Biology, Far Eastern Branch of Russian Academy of Sciences, Vladivostok, 690000, Russia
| | - Hiroshi Masumoto
- Laboratory of Chromosome Engineering, Department of Frontier Research and Development, Kazusa DNA Research Institute, Kisarazu, Chiba 292-0818d, Japan
| | - William C. Earnshaw
- Wellcome Centre for Cell Biology, University of Edinburgh, Edinburgh EH9 3JR, United Kingdom
| | - Vladimir Larionov
- Developmental Therapeutics Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892, USA
| | - Natalay Kouprina
- Developmental Therapeutics Branch, National Cancer Institute, National Institutes of Health, Bethesda, Maryland 20892, USA
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28
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Kouprina N, Larionov V. TAR Cloning: Perspectives for Functional Genomics, Biomedicine, and Biotechnology. Mol Ther Methods Clin Dev 2019; 14:16-26. [PMID: 31276008 PMCID: PMC6586605 DOI: 10.1016/j.omtm.2019.05.006] [Citation(s) in RCA: 12] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
Completion of the human genome sequence and recent advances in engineering technologies have enabled an unprecedented level of understanding of DNA variations and their contribution to human diseases and cellular functions. However, in some cases, long-read sequencing technologies do not allow determination of the genomic region carrying a specific mutation (e.g., a mutation located in large segmental duplications). Transformation-associated recombination (TAR) cloning allows selective, most accurate, efficient, and rapid isolation of a given genomic fragment or a full-length gene from simple and complex genomes. Moreover, this method is the only way to simultaneously isolate the same genomic region from multiple individuals. As such, TAR technology is currently in a leading position to create a library of the individual genes that comprise the human genome and physically characterize the sites of chromosomal alterations (copy number variations [CNVs], inversions, translocations) in the human population, associated with the predisposition to different diseases, including cancer. It is our belief that such a library and analysis of the human genome will be of great importance to the growing field of gene therapy, new drug design methods, and genomic research. In this review, we detail the motivation for TAR cloning for human genome studies, biotechnology, and biomedicine, discuss the recent progress of some TAR-based projects, and describe how TAR technology in combination with HAC (human artificial chromosome)-based and CRISPR-based technologies may contribute in the future.
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Affiliation(s)
- Natalay Kouprina
- Developmental Therapeutics Branch, National Cancer Institute, Bethesda, MD 20892, USA
| | - Vladimir Larionov
- Developmental Therapeutics Branch, National Cancer Institute, Bethesda, MD 20892, USA
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29
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Hasegawa Y, Ikeno M, Suzuki N, Nakayama M, Ohara O. Improving the efficiency of gene insertion in a human artificial chromosome vector and its transfer in human-induced pluripotent stem cells. Biol Methods Protoc 2018; 3:bpy013. [PMID: 32161806 PMCID: PMC6994043 DOI: 10.1093/biomethods/bpy013] [Citation(s) in RCA: 8] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/08/2018] [Revised: 11/15/2018] [Accepted: 11/26/2018] [Indexed: 01/24/2023] Open
Abstract
A human artificial chromosome (HAC) vector has potential to overcome the problems of stable gene expression associated with plasmid, transposon, and virus-based vectors, such as insertional mutagenesis, position effect, uncontrollable copy number, unstable gene expression, and DNA size limitation. The main advantages of the HAC are its episomal nature and ability to accommodate DNA inserts of any size. However, HAC vectors have two disadvantages: low efficiency of gene insertion and lack of reports regarding the successful HAC transfer to human-induced pluripotent stem cells (iPSCs). We here provide the first report of a method for the efficient transfer of HAC to human iPSCs for obtaining reproducible experimental results. Moreover, we achieved a 10% increase in the gene insertion efficiency in the HAC vector using our new site-specific recombination systems VCre/VloxP and SCre/SloxP.
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Affiliation(s)
- Yoshinori Hasegawa
- Laboratory of Clinical Omics Research, Department of Applied Genomics, Kazusa DNA Research Institute, Chiba, Japan
| | | | | | - Manabu Nakayama
- Laboratory of Medical Omics Research, Department of Frontier Research and Development, Kazusa DNA Research Institute, Chiba, Japan
| | - Osamu Ohara
- Laboratory of Clinical Omics Research, Department of Applied Genomics, Kazusa DNA Research Institute, Chiba, Japan
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30
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Sinenko SA, Skvortsova EV, Liskovykh MA, Ponomartsev SV, Kuzmin AA, Khudiakov AA, Malashicheva AB, Alenina N, Larionov V, Kouprina N, Tomilin AN. Transfer of Synthetic Human Chromosome into Human Induced Pluripotent Stem Cells for Biomedical Applications. Cells 2018; 7:cells7120261. [PMID: 30544831 PMCID: PMC6316689 DOI: 10.3390/cells7120261] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/07/2018] [Revised: 12/03/2018] [Accepted: 12/06/2018] [Indexed: 12/27/2022] Open
Abstract
AlphoidtetO-type human artificial chromosome (HAC) has been recently synthetized as a novel class of gene delivery vectors for induced pluripotent stem cell (iPSC)-based tissue replacement therapeutic approach. This HAC vector was designed to deliver copies of genes into patients with genetic diseases caused by the loss of a particular gene function. The alphoidtetO-HAC vector has been successfully transferred into murine embryonic stem cells (ESCs) and maintained stably as an independent chromosome during the proliferation and differentiation of these cells. Human ESCs and iPSCs have significant differences in culturing conditions and pluripotency state in comparison with the murine naïve-type ESCs and iPSCs. To date, transferring alphoidtetO-HAC vector into human iPSCs (hiPSCs) remains a challenging task. In this study, we performed the microcell-mediated chromosome transfer (MMCT) of alphoidtetO-HAC expressing the green fluorescent protein into newly generated hiPSCs. We used a recently modified MMCT method that employs an envelope protein of amphotropic murine leukemia virus as a targeting cell fusion agent. Our data provide evidence that a totally artificial vector, alphoidtetO-HAC, can be transferred and maintained in human iPSCs as an independent autonomous chromosome without affecting pluripotent properties of the cells. These data also open new perspectives for implementing alphoidtetO-HAC as a gene therapy tool in future biomedical applications.
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Affiliation(s)
- Sergey A Sinenko
- Institute of Cytology, Russian Academy of Sciences, 4 Tikhoretsky Ave., St-Petersburg 194064, Russia.
- Division of Molecular and Radiation Biophysics, Petersburg Nuclear Physics Institute named by B.P. Konstantinov of National Research Centre "Kurchatov Institute", Orlova Roscha 1, Gatchina 188300, Russia.
| | - Elena V Skvortsova
- Institute of Cytology, Russian Academy of Sciences, 4 Tikhoretsky Ave., St-Petersburg 194064, Russia.
| | - Mikhail A Liskovykh
- Developmental Therapeutics Branch, National Cancer Institute, Bethesda, MD 20892, USA.
| | - Sergey V Ponomartsev
- Institute of Cytology, Russian Academy of Sciences, 4 Tikhoretsky Ave., St-Petersburg 194064, Russia.
| | - Andrey A Kuzmin
- Institute of Cytology, Russian Academy of Sciences, 4 Tikhoretsky Ave., St-Petersburg 194064, Russia.
| | - Aleksandr A Khudiakov
- Almazov National Medical Research Centre, 2 Akkuratova Str., St-Petersburg 197341, Russia.
| | - Anna B Malashicheva
- Almazov National Medical Research Centre, 2 Akkuratova Str., St-Petersburg 197341, Russia.
| | - Natalia Alenina
- Max-Delbruck Center for Molecular Medicine, 10 Robert-Rössle-Straße, 13125 Berlin, Germany.
| | - Vladimir Larionov
- Developmental Therapeutics Branch, National Cancer Institute, Bethesda, MD 20892, USA.
| | - Natalay Kouprina
- Developmental Therapeutics Branch, National Cancer Institute, Bethesda, MD 20892, USA.
| | - Alexey N Tomilin
- Institute of Cytology, Russian Academy of Sciences, 4 Tikhoretsky Ave., St-Petersburg 194064, Russia.
- Institute of Translational Biomedicine, St-Petersburg State University, 7-9, Universitetskaya nab., St-Petersburg 199034, Russia.
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Kouprina N, Petrov N, Molina O, Liskovykh M, Pesenti E, Ohzeki JI, Masumoto H, Earnshaw WC, Larionov V. Human Artificial Chromosome with Regulated Centromere: A Tool for Genome and Cancer Studies. ACS Synth Biol 2018; 7:1974-1989. [PMID: 30075081 PMCID: PMC6154217 DOI: 10.1021/acssynbio.8b00230] [Citation(s) in RCA: 21] [Impact Index Per Article: 3.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
Abstract
Since their description in the late 1990s, Human Artificial Chromosomes (HACs) bearing functional kinetochores have been considered as promising systems for gene delivery and expression. More recently a HAC assembled from a synthetic alphoid DNA array has been exploited in studies of centromeric chromatin and in assessing the impact of different epigenetic modifications on kinetochore structure and function in human cells. This HAC was termed the alphoidtetO-HAC, as the synthetic monomers each contained a tetO sequence in place of the CENP-B box that can be targeted specifically with tetR-fusion proteins. Studies in which the kinetochore chromatin of the alphoidtetO-HAC was specifically modified, revealed that heterochromatin is incompatible with centromere function and that centromeric transcription is important for centromere assembly and maintenance. In addition, the alphoidtetO-HAC was modified to carry large gene inserts that are expressed in target cells under conditions that recapitulate the physiological regulation of endogenous loci. Importantly, the phenotypes arising from stable gene expression can be reversed when cells are "cured" of the HAC by inactivating its kinetochore in proliferating cell populations, a feature that provides a control for phenotypic changes attributed to expression of HAC-encoded genes. AlphoidtetO-HAC-based technology has also been used to develop new drug screening and assessment strategies to manipulate the CIN phenotype in cancer cells. In summary, the alphoidtetO-HAC is proving to be a versatile tool for studying human chromosome transactions and structure as well as for genome and cancer studies.
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Affiliation(s)
- Natalay Kouprina
- Developmental
Therapeutics Branch, National Cancer Institute,
NIH, Bethesda, Maryland 20892, United
States,E-mail: . Tel: +1-240-760-7325
| | - Nikolai Petrov
- Developmental
Therapeutics Branch, National Cancer Institute,
NIH, Bethesda, Maryland 20892, United
States
| | - Oscar Molina
- Josep
Carreras Leukaemia Research Institute, School of Medicine, University
of Barcelona, Casanova 143, 08036 Barcelona, Spain
| | - Mikhail Liskovykh
- Developmental
Therapeutics Branch, National Cancer Institute,
NIH, Bethesda, Maryland 20892, United
States
| | - Elisa Pesenti
- Wellcome
Centre for Cell Biology, University of Edinburgh, Edinburgh EH9 3JR, Scotland
| | - Jun-ichirou Ohzeki
- Laboratory
of Chromosome Engineering, Department of Frontier Research and Development, Kazusa DNA Research Institute, Kisarazu, Chiba 292-0818d Japan
| | - Hiroshi Masumoto
- Laboratory
of Chromosome Engineering, Department of Frontier Research and Development, Kazusa DNA Research Institute, Kisarazu, Chiba 292-0818d Japan,E-mail: . Tel: +81-438-52-395
| | - William C. Earnshaw
- Wellcome
Centre for Cell Biology, University of Edinburgh, Edinburgh EH9 3JR, Scotland,E-mail: . Tel: +44-(0)131-650-7101
| | - Vladimir Larionov
- Developmental
Therapeutics Branch, National Cancer Institute,
NIH, Bethesda, Maryland 20892, United
States,E-mail: . Tel: +1-240-760-7325
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32
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Pesenti E, Kouprina N, Liskovykh M, Aurich-Costa J, Larionov V, Masumoto H, Earnshaw WC, Molina O. Generation of a Synthetic Human Chromosome with Two Centromeric Domains for Advanced Epigenetic Engineering Studies. ACS Synth Biol 2018; 7:1116-1130. [PMID: 29565577 PMCID: PMC5951608 DOI: 10.1021/acssynbio.8b00018] [Citation(s) in RCA: 15] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/09/2023]
Abstract
It is generally accepted that chromatin containing the histone H3 variant CENP-A is an epigenetic mark maintaining centromere identity. However, the pathways leading to the formation and maintenance of centromere chromatin remain poorly characterized due to difficulties of analysis of centromeric repeats in native chromosomes. To address this problem, in our previous studies we generated a human artificial chromosome (HAC) whose centromere contains a synthetic alpha-satellite (alphoid) DNA array containing the tetracycline operator, the alphoidtetO-HAC. The presence of tetO sequences allows the specific targeting of the centromeric region in the HAC with different chromatin modifiers fused to the tetracycline repressor. The alphoidtetO-HAC has been extensively used to investigate protein interactions within the kinetochore and to define the epigenetic signature of centromeric chromatin to maintain a functional kinetochore. In this study, we developed a novel synthetic HAC containing two alphoid DNA arrays with different targeting sequences, tetO, lacO and gal4, the alphoidhybrid-HAC. This new HAC can be used for detailed epigenetic engineering studies because its kinetochore can be simultaneously or independently targeted by different chromatin modifiers and other fusion proteins.
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Affiliation(s)
- Elisa Pesenti
- Wellcome
Trust Centre for Cell Biology, University of Edinburgh, Edinburgh EH9 3QR, United
Kingdom
| | - Natalay Kouprina
- Genome
Structure and Function Group, Developmental Therapeutics Branch, National
Cancer Institute, National Institutes of
Health, Bethesda, Maryland 20892, United States
| | - Mikhail Liskovykh
- Genome
Structure and Function Group, Developmental Therapeutics Branch, National
Cancer Institute, National Institutes of
Health, Bethesda, Maryland 20892, United States
| | - Joan Aurich-Costa
- Research
and Development, Cellay Inc., Cambridge, Massachusetts 02139, United States
| | - Vladimir Larionov
- Genome
Structure and Function Group, Developmental Therapeutics Branch, National
Cancer Institute, National Institutes of
Health, Bethesda, Maryland 20892, United States
| | - Hiroshi Masumoto
- Laboratory
of Cell Engineering, Department of Frontier Research, Kazusa DNA Research Institute, Kisazaru 292-0818, Japan
| | - William C. Earnshaw
- Wellcome
Trust Centre for Cell Biology, University of Edinburgh, Edinburgh EH9 3QR, United
Kingdom,E-mail: ; tel: +34 93-557-2810
| | - Oscar Molina
- Wellcome
Trust Centre for Cell Biology, University of Edinburgh, Edinburgh EH9 3QR, United
Kingdom,Josep
Carreras Leukaemia Research Institute, School of Medicine, University of Barcelona, Casanova 143, 08036 Barcelona, Spain,E-mail: ; tel: +44-(0)131-650-7101
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Genome Writing: Current Progress and Related Applications. GENOMICS PROTEOMICS & BIOINFORMATICS 2018; 16:10-16. [PMID: 29474887 PMCID: PMC6000237 DOI: 10.1016/j.gpb.2018.02.001] [Citation(s) in RCA: 4] [Impact Index Per Article: 0.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 01/02/2018] [Revised: 02/05/2018] [Accepted: 02/09/2018] [Indexed: 11/18/2022]
Abstract
The ultimate goal of synthetic biology is to build customized cells or organisms to meet specific industrial or medical needs. The most important part of the customized cell is a synthetic genome. Advanced genomic writing technologies are required to build such an artificial genome. Recently, the partially-completed synthetic yeast genome project represents a milestone in this field. In this mini review, we briefly introduce the techniques for de novo genome synthesis and genome editing. Furthermore, we summarize recent research progresses and highlight several applications in the synthetic genome field. Finally, we discuss current challenges and future prospects.
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Lee NCO, Kim JH, Petrov NS, Lee HS, Masumoto H, Earnshaw WC, Larionov V, Kouprina N. Method to Assemble Genomic DNA Fragments or Genes on Human Artificial Chromosome with Regulated Kinetochore Using a Multi-Integrase System. ACS Synth Biol 2018; 7:63-74. [PMID: 28799737 PMCID: PMC5778389 DOI: 10.1021/acssynbio.7b00209] [Citation(s) in RCA: 16] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/05/2023]
Abstract
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The production of cells capable of carrying multiple transgenes
to Mb-size genomic loci has multiple applications in biomedicine and
biotechnology. In order to achieve this goal, three key steps are
required: (i) cloning of large genomic segments; (ii) insertion of
multiple DNA blocks at a precise location and (iii) the capability
to eliminate the assembled region from cells. In this study, we designed
the iterative integration system (IIS) that utilizes recombinases
Cre, ΦC31 and ΦBT1, and combined it with a human artificial
chromosome (HAC) possessing a regulated kinetochore (alphoidtetO-HAC). We have demonstrated that the IIS-alphoidtetO-HAC
system is a valuable genetic tool by reassembling a functional gene
from multiple segments on the HAC. IIS-alphoidtetO-HAC
has several notable advantages over other artificial chromosome-based
systems. This includes the potential to assemble an unlimited number
of genomic DNA segments; a DNA assembly process that leaves only a
small insertion (<60 bp) scar between adjacent DNA, allowing genes
reassembled from segments to be spliced correctly; a marker exchange
system that also changes cell color, and counter-selection markers
at each DNA insertion step, simplifying selection of correct clones;
and presence of an error proofing mechanism to remove cells with misincorporated
DNA segments, which improves the integrity of assembly. In addition,
the IIS-alphoidtetO-HAC carrying a locus of interest is
removable, offering the unique possibility to revert the cell line
to its pretransformed state and compare the phenotypes of human cells
with and without a functional copy of a gene(s). Thus, IIS-alphoidtetO-HAC allows investigation of complex biomedical pathways,
gene(s) regulation, and has the potential to engineer synthetic chromosomes
with a predetermined set of genes.
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Affiliation(s)
- Nicholas C. O. Lee
- Developmental Therapeutics Branch, National Cancer Institute, Bethesda, Maryland 20892, United States
| | - Jung-Hyun Kim
- Developmental Therapeutics Branch, National Cancer Institute, Bethesda, Maryland 20892, United States
| | - Nikolai S. Petrov
- Developmental Therapeutics Branch, National Cancer Institute, Bethesda, Maryland 20892, United States
| | - Hee-Sheung Lee
- Developmental Therapeutics Branch, National Cancer Institute, Bethesda, Maryland 20892, United States
| | - Hiroshi Masumoto
- Laboratory of Cell Engineering, Department of Frontier Research, Kazusa DNA Research Institute, 2-6-7 Kazusa-Kamatari, Kisarazu, Chiba 292-0818, Japan
| | - William C. Earnshaw
- Wellcome Trust Centre for Cell Biology, University of Edinburgh, Edinburgh EH9 3JR, Scotland
| | - Vladimir Larionov
- Developmental Therapeutics Branch, National Cancer Institute, Bethesda, Maryland 20892, United States
| | - Natalay Kouprina
- Developmental Therapeutics Branch, National Cancer Institute, Bethesda, Maryland 20892, United States
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Uno N, Abe S, Oshimura M, Kazuki Y. Combinations of chromosome transfer and genome editing for the development of cell/animal models of human disease and humanized animal models. J Hum Genet 2017; 63:145-156. [PMID: 29180645 DOI: 10.1038/s10038-017-0378-7] [Citation(s) in RCA: 14] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2017] [Revised: 10/03/2017] [Accepted: 10/11/2017] [Indexed: 11/09/2022]
Abstract
Chromosome transfer technology, including chromosome modification, enables the introduction of Mb-sized or multiple genes to desired cells or animals. This technology has allowed innovative developments to be made for models of human disease and humanized animals, including Down syndrome model mice and humanized transchromosomic (Tc) immunoglobulin mice. Genome editing techniques are developing rapidly, and permit modifications such as gene knockout and knockin to be performed in various cell lines and animals. This review summarizes chromosome transfer-related technologies and the combined technologies of chromosome transfer and genome editing mainly for the production of cell/animal models of human disease and humanized animal models. Specifically, these include: (1) chromosome modification with genome editing in Chinese hamster ovary cells and mouse A9 cells for efficient transfer to desired cell types; (2) single-nucleotide polymorphism modification in humanized Tc mice with genome editing; and (3) generation of a disease model of Down syndrome-associated hematopoiesis abnormalities by the transfer of human chromosome 21 to normal human embryonic stem cells and the induction of mutation(s) in the endogenous gene(s) with genome editing. These combinations of chromosome transfer and genome editing open up new avenues for drug development and therapy as well as for basic research.
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Affiliation(s)
- Narumi Uno
- Chromosome Engineering Research Center, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan.,Department of Biomedical Science, Institute of Regenerative Medicine and Biofunction, Graduate School of Medical Science, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan
| | - Satoshi Abe
- Chromosome Engineering Research Center, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan
| | - Mitsuo Oshimura
- Chromosome Engineering Research Center, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan.,Trans Chromosomics Inc., 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan
| | - Yasuhiro Kazuki
- Chromosome Engineering Research Center, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan. .,Department of Biomedical Science, Institute of Regenerative Medicine and Biofunction, Graduate School of Medical Science, Tottori University, 86 Nishi-cho, Yonago, Tottori, 683-8503, Japan.
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CRISPR/Cas9-induced transgene insertion and telomere-associated truncation of a single human chromosome for chromosome engineering in CHO and A9 cells. Sci Rep 2017; 7:12739. [PMID: 28986519 PMCID: PMC5630592 DOI: 10.1038/s41598-017-10418-7] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.4] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/09/2017] [Accepted: 08/08/2017] [Indexed: 12/18/2022] Open
Abstract
Chromosome engineering techniques including gene insertion, telomere-associated truncation and microcell-mediated chromosome transfer (MMCT) are powerful tools for generation of humanised model animal, containing megabase-sized genomic fragments. However, these techniques require two cell lines: homologous recombination (HR)-proficient DT40 cells for chromosome modification, and CHO cells for transfer to recipient cells. Here we show an improved technique using a combination of CRISPR/Cas9-induced HR in CHO and mouse A9 cells without DT40 cells following MMCT to recipient cells. Transgene insertion was performed in CHO cells with the insertion of enhanced green fluorescence protein (EGFP) using CRISPR/Cas9 and a circular targeting vector containing two 3 kb HR arms. Telomere-associated truncation was performed in CHO cells using CRISPR/Cas9 and a linearised truncation vector containing a single 7 kb HR arm at the 5′ end, a 1 kb artificial telomere at the 3′ end. At least 11% and 6% of the targeting efficiency were achieved for transgene insertion and telomere-associated truncation, respectively. The transgene insertion was also confirmed in A9 cells (29%). The modified chromosomes were transferrable to other cells. Thus, this CHO and A9 cell-mediated chromosome engineering using the CRISPR/Cas9 for direct transfer of the modified chromosome is a rapid technique that will facilitate chromosome manipulation.
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37
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Core Concept: Human artificial chromosomes offer insights, therapeutic possibilities, and challenges. Proc Natl Acad Sci U S A 2017; 114:9752-9754. [PMID: 28899976 DOI: 10.1073/pnas.1713319114] [Citation(s) in RCA: 2] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/27/2023] Open
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Brown DM, Chan YA, Desai PJ, Grzesik P, Oldfield LM, Vashee S, Way JC, Silver PA, Glass JI. Efficient size-independent chromosome delivery from yeast to cultured cell lines. Nucleic Acids Res 2017; 45:e50. [PMID: 27980064 PMCID: PMC5397165 DOI: 10.1093/nar/gkw1252] [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: 08/17/2016] [Accepted: 12/13/2016] [Indexed: 01/04/2023] Open
Abstract
The delivery of large DNA vectors (>100 000 bp) remains a limiting step in the engineering of mammalian cells and the development of human artificial chromosomes (HACs). Yeast is commonly used to assemble genetic constructs in the megabase size range, and has previously been used to transfer constructs directly into cultured cells. We improved this method to efficiently deliver large (1.1 Mb) synthetic yeast centromeric plasmids (YCps) to cultured cell lines at rates similar to that of 12 kb YCps. Synchronizing cells in mitosis improved the delivery efficiency by 10-fold and a statistical design of experiments approach was employed to boost the vector delivery rate by nearly 300-fold from 1/250 000 to 1/840 cells, and subsequently optimize the delivery process for multiple mammalian, avian, and insect cell lines. We adapted this method to rapidly deliver a 152 kb herpes simplex virus 1 genome cloned in yeast into mammalian cells to produce infectious virus.
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Affiliation(s)
- David M Brown
- Synthetic Biology and Bioenergy, J. Craig Venter Institute, Rockville, MD, 20850, USA.,Department of Cell Biology and Molecular Genetics, University of Maryland, College Park, MD 20742, USA
| | - Yujia A Chan
- Department of Systems Biology, Harvard Medical School, Boston, MA 02115, USA.,Wyss Institute for Biologically Inspired Engineering, Boston, MA 02115, USA
| | - Prashant J Desai
- Johns Hopkins University, Sidney Kimmel Comprehensive Cancer Center Johns Hopkins, Viral Oncology Program, Baltimore, MD 21231, USA
| | - Peter Grzesik
- Johns Hopkins University, Sidney Kimmel Comprehensive Cancer Center Johns Hopkins, Viral Oncology Program, Baltimore, MD 21231, USA
| | - Lauren M Oldfield
- Synthetic Biology and Bioenergy, J. Craig Venter Institute, Rockville, MD, 20850, USA
| | - Sanjay Vashee
- Synthetic Biology and Bioenergy, J. Craig Venter Institute, Rockville, MD, 20850, USA
| | - Jeffrey C Way
- Wyss Institute for Biologically Inspired Engineering, Boston, MA 02115, USA
| | - Pamela A Silver
- Department of Systems Biology, Harvard Medical School, Boston, MA 02115, USA.,Wyss Institute for Biologically Inspired Engineering, Boston, MA 02115, USA
| | - John I Glass
- Synthetic Biology and Bioenergy, J. Craig Venter Institute, Rockville, MD, 20850, USA
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Kandpal RP, Sandhu AK, Kaur G, Kaur GP, Athwal RS. Monochromosomal Hybrids and Chromosome Transfer: A Functional Approach for Gene Identification. Cancer Genomics Proteomics 2017; 14:93-101. [PMID: 28387649 PMCID: PMC5369314 DOI: 10.21873/cgp.20022] [Citation(s) in RCA: 3] [Impact Index Per Article: 0.4] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/09/2017] [Revised: 02/19/2017] [Accepted: 02/22/2017] [Indexed: 11/10/2022] Open
Abstract
Functional complementation of cellular defects has been a valuable approach for localizing causative genes to specific chromosomes. The complementation strategy was followed by positional cloning and characterization of genes for their biological relevance. We herein describe strategies used for the construction of monochromosomal hybrids and their applications for cloning and characterization of genes related to cell growth, cell senescence and DNA repair. We have cloned RNaseT2, GluR6 (glutamate ionotropic receptor kainate type subunit 2-GRIK2) and protein tyrosine phosphatase, receptor type K (PTPRK) genes using these strategies.
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Affiliation(s)
- Raj P Kandpal
- Department of Basic Medical Sciences, Western University of Health Sciences, Pomona, CA, U.S.A.
| | - Arbans K Sandhu
- Fels Institute for Cancer Research and Molecular Biology, Temple University School of Medicine, Philadelphia, PA, U.S.A
| | - Gurpreet Kaur
- Fels Institute for Cancer Research and Molecular Biology, Temple University School of Medicine, Philadelphia, PA, U.S.A
| | - Gursurinder P Kaur
- Fels Institute for Cancer Research and Molecular Biology, Temple University School of Medicine, Philadelphia, PA, U.S.A
| | - Raghbir S Athwal
- Fels Institute for Cancer Research and Molecular Biology, Temple University School of Medicine, Philadelphia, PA, U.S.A.
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