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Williams L, Larsen J. Nanoparticle-mediated delivery of non-viral gene editing technology to the brain. Prog Neurobiol 2024; 232:102547. [PMID: 38042249 PMCID: PMC10872436 DOI: 10.1016/j.pneurobio.2023.102547] [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: 07/18/2023] [Revised: 11/01/2023] [Accepted: 11/26/2023] [Indexed: 12/04/2023]
Abstract
Neurological disorders pose a significant burden on individuals and society, affecting millions worldwide. These disorders, including but not limited to Alzheimer's disease, Parkinson's disease, and Huntington's disease, often have limited treatment options and can lead to progressive degeneration and disability. Gene editing technologies, including Zinc Finger Nucleases (ZFN), Transcription Activator-Like Effector Nucleases (TALEN), and Clustered Regularly Interspaced Short Palindromic Repeats-associated Protein 9 (CRISPR-Cas9), offer a promising avenue for potential cures by targeting and correcting the underlying genetic mutations responsible for neurologic disorders. However, efficient delivery methods are crucial for the successful application of gene editing technologies in the context of neurological disorders. The central nervous system presents unique challenges to treatment development due to the blood-brain barrier, which restricts the entry of large molecules. While viral vectors are traditionally used for gene delivery, nonviral delivery methods, such as nanoparticle-mediated delivery, offer safer alternatives that can efficiently transport gene editing components. Herein we aim to introduce the three main gene editing nucleases as nonviral treatments for neurologic disorders, the delivery barriers associated with brain targeting, and the current nonviral techniques used for brain-specific delivery. We highlight the challenges and opportunities for future research in this exciting and growing field that could lead to blood-brain barrier bypassing therapeutic gene editing.
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Affiliation(s)
- Lucian Williams
- Department of Bioengineering, Clemson University, Clemson, SC 29631, USA
| | - Jessica Larsen
- Department of Bioengineering, Clemson University, Clemson, SC 29631, USA; Department of Chemical Engineering, Clemson University, Clemson, SC 29631, USA.
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102
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Koijam AS, Singh KD, Nameirakpam BS, Haobam R, Rajashekar Y. Drug addiction and treatment: An epigenetic perspective. Biomed Pharmacother 2024; 170:115951. [PMID: 38043446 DOI: 10.1016/j.biopha.2023.115951] [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: 09/16/2023] [Revised: 11/23/2023] [Accepted: 11/27/2023] [Indexed: 12/05/2023] Open
Abstract
Drug addiction is a complex disease affected by numerous genetic and environmental factors. Brain regions in reward pathway, neuronal adaptations, genetic and epigenetic interactions causing transcriptional enhancement or repression of multiple genes induce different addiction phenotypes for varying duration. Addictive drug use causes epigenetic alterations and similarly epigenetic changes induced by environment can promote addiction. Epigenetic mechanisms include DNA methylation and post-translational modifications like methylation, acetylation, phosphorylation, ubiquitylation, sumoylation, dopaminylation and crotonylation of histones, and ADP-ribosylation. Non-coding RNAs also induce epigenetic changes. This review discusses these above areas and stresses the need for exploring epidrugs as a treatment alternative and adjunct, considering the limited success of current addiction treatment strategies. Epigenome editing complexes have lately been effective in eukaryotic systems. Targeted DNA cleavage techniques such as CRISPR-Cas9 system, CRISPR-dCas9 complexes, transcription activator-like effector nucleases (TALENs) and zinc-finger nucleases (ZFNs) have been exploited as targeted DNA recognition or anchoring platforms, fused with epigenetic writer or eraser proteins and delivered by transfection or transduction methods. Efficacy of epidrugs is seen in various neuropsychiatric conditions and initial results in addiction treatment involving model organisms are remarkable. Epidrugs present a promising alternative treatment for addiction.
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Affiliation(s)
- Arunkumar Singh Koijam
- Insect Bioresources Laboratory, Animal Bioresources Programme, Institute of Bioresources & Sustainable Development, Department of Biotechnology, Govt. of India, Takyelpat, Imphal 795001, Manipur, India
| | - Kabrambam Dasanta Singh
- Insect Bioresources Laboratory, Animal Bioresources Programme, Institute of Bioresources & Sustainable Development, Department of Biotechnology, Govt. of India, Takyelpat, Imphal 795001, Manipur, India
| | - Bunindro Singh Nameirakpam
- Insect Bioresources Laboratory, Animal Bioresources Programme, Institute of Bioresources & Sustainable Development, Department of Biotechnology, Govt. of India, Takyelpat, Imphal 795001, Manipur, India
| | - Reena Haobam
- Department of Biotechnology, Manipur University, Canchipur, Imphal 795003, Manipur, India
| | - Yallappa Rajashekar
- Insect Bioresources Laboratory, Animal Bioresources Programme, Institute of Bioresources & Sustainable Development, Department of Biotechnology, Govt. of India, Takyelpat, Imphal 795001, Manipur, India.
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103
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Punetha M, Saini S, Chaudhary S, Yadav PS, Whitworth K, Green J, Kumar D, Kues WA. Induced Pluripotent Stem Cells in the Era of Precise Genome Editing. Curr Stem Cell Res Ther 2024; 19:307-315. [PMID: 36880183 DOI: 10.2174/1574888x18666230307115326] [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: 07/14/2022] [Revised: 11/22/2022] [Accepted: 12/06/2022] [Indexed: 03/08/2023]
Abstract
Genome editing has enhanced our ability to understand the role of genetics in a number of diseases by facilitating the development of more precise cellular and animal models to study pathophysiological processes. These advances have shown extraordinary promise in a multitude of areas, from basic research to applied bioengineering and biomedical research. Induced pluripotent stem cells (iPSCs) are known for their high replicative capacity and are excellent targets for genetic manipulation as they can be clonally expanded from a single cell without compromising their pluripotency. Clustered, regularly interspaced short palindromic repeats (CRISPR) and CRISPR/Cas RNA-guided nucleases have rapidly become the method of choice for gene editing due to their high specificity, simplicity, low cost, and versatility. Coupling the cellular versatility of iPSCs differentiation with CRISPR/Cas9-mediated genome editing technology can be an effective experimental technique for providing new insights into the therapeutic use of this technology. However, before using these techniques for gene therapy, their therapeutic safety and efficacy following models need to be assessed. In this review, we cover the remarkable progress that has been made in the use of genome editing tools in iPSCs, their applications in disease research and gene therapy as well as the hurdles that remain in the actual implementation of CRISPR/Cas systems.
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Affiliation(s)
- Meeti Punetha
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, 125001, Haryana, India
| | - Sheetal Saini
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, 125001, Haryana, India
| | - Suman Chaudhary
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, 125001, Haryana, India
| | - Prem Singh Yadav
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, 125001, Haryana, India
| | - Kristin Whitworth
- Division of Animal Sciences, University of Missouri, Columbia, MO, 65211, USA
| | - Jonathan Green
- Division of Animal Sciences, University of Missouri, Columbia, MO, 65211, USA
| | - Dharmendra Kumar
- Animal Physiology and Reproduction Division, ICAR-Central Institute for Research on Buffaloes, Hisar, 125001, Haryana, India
| | - Wilfried A Kues
- Department of Biotechnology, Friedrich-Loeffler-Institut, Federal Research Institute for Animal Health, Höltystr 10, 31535, Neustadt, Germany
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104
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Abdeeva IA, Panina YS, Maloshenok LG. Synthetic Biology Approaches to Posttranslational Regulation in Plants. BIOCHEMISTRY. BIOKHIMIIA 2024; 89:S278-S289. [PMID: 38621756 DOI: 10.1134/s0006297924140165] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 10/10/2023] [Accepted: 10/16/2023] [Indexed: 04/17/2024]
Abstract
To date synthetic biology approaches involving creation of functional genetic modules are used in a wide range of organisms. In plants, such approaches are used both for research in the field of functional genomics and to increase the yield of agricultural crops. Of particular interest are methods that allow controlling genetic apparatus of the plants at post-translational level, which allow reducing non-targeted effects from interference with the plant genome. This review discusses recent advances in the plant synthetic biology for regulation of the plant metabolism at posttranslational level and highlights their future directions.
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Affiliation(s)
- Inna A Abdeeva
- Vavilov Institute of General Genetics, Russian Academy of Sciences, Moscow, 119991, Russia.
| | - Yulia S Panina
- Vavilov Institute of General Genetics, Russian Academy of Sciences, Moscow, 119991, Russia
| | - Liliya G Maloshenok
- Vavilov Institute of General Genetics, Russian Academy of Sciences, Moscow, 119991, Russia.
- Bach Institute of Biochemistry, Federal Research Center of Biotechnology, Russian Academy of Sciences, Moscow, 119071, Russia
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105
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Tatwavedi D, Pellagatti A, Boultwood J. Recent advances in the application of induced pluripotent stem cell technology to the study of myeloid malignancies. Adv Biol Regul 2024; 91:100993. [PMID: 37827894 DOI: 10.1016/j.jbior.2023.100993] [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: 09/22/2023] [Accepted: 09/25/2023] [Indexed: 10/14/2023]
Abstract
Acquired myeloid malignancies are a spectrum of clonal disorders known to be caused by sequential acquisition of genetic lesions in hematopoietic stem and progenitor cells, leading to their aberrant self-renewal and differentiation. The increasing use of induced pluripotent stem cell (iPSC) technology to study myeloid malignancies has helped usher a paradigm shift in approaches to disease modeling and drug discovery, especially when combined with gene-editing technology. The process of reprogramming allows for the capture of the diversity of genetic lesions and mutational burden found in primary patient samples into individual stable iPSC lines. Patient-derived iPSC lines, owing to their self-renewal and differentiation capacity, can thus be a homogenous source of disease relevant material that allow for the study of disease pathogenesis using various functional read-outs. Furthermore, genome editing technologies like CRISPR/Cas9 enable the study of the stepwise progression from normal to malignant hematopoiesis through the introduction of specific driver mutations, individually or in combination, to create isogenic lines for comparison. In this review, we survey the current use of iPSCs to model acquired myeloid malignancies including myelodysplastic syndromes (MDS), myeloproliferative neoplasms (MPN), acute myeloid leukemia and MDS/MPN overlap syndromes. The use of iPSCs has enabled the interrogation of the underlying mechanism of initiation and progression driving these diseases. It has also made drug testing, repurposing, and the discovery of novel therapies for these diseases possible in a high throughput setting.
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Affiliation(s)
- Dharamveer Tatwavedi
- Blood Cancer UK Molecular Haematology Unit, Nuffield Division of Clinical Laboratory Sciences, Radcliffe Department of Medicine, University of Oxford, Oxford, UK.
| | - Andrea Pellagatti
- Blood Cancer UK Molecular Haematology Unit, Nuffield Division of Clinical Laboratory Sciences, Radcliffe Department of Medicine, University of Oxford, Oxford, UK
| | - Jacqueline Boultwood
- Blood Cancer UK Molecular Haematology Unit, Nuffield Division of Clinical Laboratory Sciences, Radcliffe Department of Medicine, University of Oxford, Oxford, UK.
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106
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Obermeier M, Rogiers V, Vanhaecke T, Baert Y. Lipofection-Based Delivery of CRISPR/Cas9 Ribonucleoprotein for Gene Editing in Male Germline Stem Cells. Methods Mol Biol 2024; 2770:123-134. [PMID: 38351451 DOI: 10.1007/978-1-0716-3698-5_10] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/16/2024]
Abstract
Gene editing in the murine germline is a valuable approach to investigate germ cell maturation and generate mouse models. Several studies demonstrated that CRISPR/Cas9 alters the genome of cultured male mouse germline stem cells delivered by electroporation of plasmids. Recently, we showed proof-of-principle that gene knockout can be effectively targeted in mouse germline stem cells by lipofecting Cas9:gRNA ribonucleoproteins. In this protocol, we describe a simple, fast, and cheap workflow for gene editing via the lipofection of non-integrative ribonucleoproteins in murine male germline stem cells.
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Affiliation(s)
- Mariella Obermeier
- Biology of the Testis Lab (BITE) Research Group, Department of Reproduction, Genetics and Regenerative Medicine, Vrije Universiteit Brussel (VUB), Brussels, Belgium
| | - Vera Rogiers
- In Vitro Toxicology and Dermato-Cosmetology (IVTD), Vrije Universiteit Brussel (VUB), Brussels, Belgium
| | - Tamara Vanhaecke
- In Vitro Toxicology and Dermato-Cosmetology (IVTD), Vrije Universiteit Brussel (VUB), Brussels, Belgium
| | - Yoni Baert
- Biology of the Testis Lab (BITE) Research Group, Department of Reproduction, Genetics and Regenerative Medicine, Vrije Universiteit Brussel (VUB), Brussels, Belgium.
- In Vitro Toxicology and Dermato-Cosmetology (IVTD), Vrije Universiteit Brussel (VUB), Brussels, Belgium.
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107
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Andreu-Saumell I, Rodriguez-Garcia A, Guedan S. Genome Editing in CAR-T Cells Using CRISPR/Cas9 Technology. Methods Mol Biol 2024; 2748:151-165. [PMID: 38070114 DOI: 10.1007/978-1-0716-3593-3_12] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/18/2023]
Abstract
CAR-T cell therapy is revolutionizing the treatment of hematologic malignancies. However, there are still many challenges ahead before CAR-T cells can be used effectively to treat solid tumors and certain hematologic cancers, such as T-cell malignancies. Next-generation CAR-T cells containing further genetic modifications are being developed to overcome some of the current limitations of this therapy. In this regard, genome editing is being explored to knock out or knock in genes with the goal of enhancing CAR-T cell efficacy or increasing access. In this chapter, we describe in detail a protocol to knock out genes on CAR-T cells using CRISPR-Cas9 technology. Among various gene editing protocols, due to its simplicity, versatility, and reduced toxicity, we focused on the electroporation of ribonucleoprotein complexes containing the Cas9 protein together with sgRNA. All together, these protocols allow for the design of the knockout strategy, CAR-T cell expansion and genome editing, and analysis of knockout efficiency.
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Affiliation(s)
- Irene Andreu-Saumell
- Department of Hematology and Oncology, Hospital Clinic de Barcelona, IDIBAPS, Barcelona, Spain
| | - Alba Rodriguez-Garcia
- Department of Hematology and Oncology, Hospital Clinic de Barcelona, IDIBAPS, Barcelona, Spain
| | - Sonia Guedan
- Department of Hematology and Oncology, Hospital Clinic de Barcelona, IDIBAPS, Barcelona, Spain.
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108
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Wang Q, Aliyu L, Chung CY, Rosenberg JN, Yu G, Betenbaugh MJ. Application of the CRISPR/Cas9 Gene Editing Method for Modulating Antibody Fucosylation in CHO Cells. Methods Mol Biol 2024; 2810:249-271. [PMID: 38926284 DOI: 10.1007/978-1-0716-3878-1_16] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/28/2024]
Abstract
Genetic engineering plays an essential role in the development of cell lines for biopharmaceutical manufacturing. Advanced gene editing tools can improve both the productivity of recombinant cell lines as well as the quality of therapeutic antibodies. Antibody glycosylation is a critical quality attribute for therapeutic biologics because the glycan patterns on the antibody fragment crystallizable (Fc) region can alter its clinical efficacy and safety as a therapeutic drug. As an example, recombinant antibodies derived from Chinese hamster ovary (CHO) cells are generally highly fucosylated; the absence of α1,6-fucose significantly enhances antibody-dependent cell-mediated cytotoxicity (ADCC) against cancer cells. This chapter describes a protocol applying clustered regularly interspaced short palindromic repeats (CRISPR) and CRISPR-associated protein 9 (Cas9) approach with different formats to disrupt the α-1,6-fucosyltransferase (FUT8) gene and subsequently inhibit α-1,6 fucosylation on antibodies expressed in CHO cells.
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Affiliation(s)
- Qiong Wang
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD, USA
| | - Lateef Aliyu
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD, USA
| | - Cheng-Yu Chung
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD, USA
| | - Julian N Rosenberg
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD, USA
| | - Geng Yu
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD, USA
| | - Michael J Betenbaugh
- Department of Chemical and Biomolecular Engineering, Johns Hopkins University, Baltimore, MD, USA.
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109
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Fu Y, He X, Gao XD, Li F, Ge S, Yang Z, Fan X. Prime editing: current advances and therapeutic opportunities in human diseases. Sci Bull (Beijing) 2023; 68:3278-3291. [PMID: 37973465 DOI: 10.1016/j.scib.2023.11.015] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/11/2023] [Revised: 09/06/2023] [Accepted: 10/28/2023] [Indexed: 11/19/2023]
Abstract
Gene editing ushers in a new era of disease treatment since many genetic diseases are caused by base-pair mutations in genomic DNA. With the rapid development of genome editing technology, novel editing tools such as base editing and prime editing (PE) have attracted public attention, heralding a great leap forward in this field. PE, in particular, is characterized by no need for double-strand breaks (DSBs) or homology sequence templates with variable application scenarios, including point mutations as well as insertions or deletions. With higher editing efficiency and fewer byproducts than traditional editing tools, PE holds great promise as a therapeutic strategy for human diseases. Subsequently, a growing demand for the standard construction of PE system has spawned numerous easy-to-access internet resources and tools for personalized prime editing guide RNA (pegRNA) design and off-target site prediction. In this review, we mainly introduce the innovation and evolutionary strategy of PE systems and the auxiliary tools for PE design and analysis. Additionally, its application and future potential in the clinical field have been summarized and envisaged.
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Affiliation(s)
- Yidian Fu
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai 200011, China
| | - Xiaoyu He
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai 200011, China
| | - Xin D Gao
- Merkin Institute of Transformative Technologies in Healthcare, Broad Institute of Harvard and MIT, Cambridge MA 02141, USA; Department of Chemistry and Chemical Biology, Harvard University, Cambridge MA 02138, USA; Howard Hughes Medical Institute, Harvard University, Cambridge MA 02138, USA
| | - Fang Li
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai 200011, China
| | - Shengfang Ge
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai 200011, China.
| | - Zhi Yang
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai 200011, China.
| | - Xianqun Fan
- Department of Ophthalmology, Ninth People's Hospital, Shanghai JiaoTong University School of Medicine, Shanghai 200011, China; Shanghai Key Laboratory of Orbital Diseases and Ocular Oncology, Shanghai 200011, China.
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110
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Ngo HKC, Le H, Surh YJ. Nrf2, A Target for Precision Oncology in Cancer Prognosis and Treatment. J Cancer Prev 2023; 28:131-142. [PMID: 38205365 PMCID: PMC10774478 DOI: 10.15430/jcp.2023.28.4.131] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/15/2023] [Accepted: 12/20/2023] [Indexed: 01/12/2024] Open
Abstract
Activating nuclear factor-erythroid 2-related factor (Nrf2), a master regulator of redox homeostasis, has been shown to suppress initiation of carcinogenesis in normal cells. However, this transcription factor has recently been reported to promote proliferation of some transformed or cancerous cells. In tumor cells, Nrf2 is prone to mutations that result in stabilization and concurrent accumulation of its protein product. A hyperactivated mutant form of Nrf2 could support the cancer cells for enhanced proliferation, invasiveness, and resistance to chemotherapeutic agents and radiotherapy, which are associated with a poor clinical outcome. Hence understanding mutations in Nrf2 would have a significant impact on the prognosis and treatment of cancer in the era of precision medicine. This perspective would provide an insight into the genetic alterations in Nrf2 and suggest the application of small molecules, RNAi, and genome editing technologies, particularly CRISR-Cas9, in therapeutic intervention of cancer in the context of the involvement of Nrf2 mutations.
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Affiliation(s)
- Hoang Kieu Chi Ngo
- Tumor Microenvironment Global Core Research Center, College of Pharmacy, Seoul National University, Seoul, Korea
| | - Hoang Le
- Department of Neurology, Massachusetts General Hospital, Harvard Medical School, Charlestown, MA, USA
| | - Young-Joon Surh
- Tumor Microenvironment Global Core Research Center, College of Pharmacy, Seoul National University, Seoul, Korea
- Cancer Research Institute, Seoul National University, Seoul, Korea
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111
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Liu J, Li W, Jin X, Lin F, Han J, Zhang Y. Optimal tagging strategies for illuminating expression profiles of genes with different abundance in zebrafish. Commun Biol 2023; 6:1300. [PMID: 38129658 PMCID: PMC10739737 DOI: 10.1038/s42003-023-05686-1] [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: 01/18/2023] [Accepted: 12/07/2023] [Indexed: 12/23/2023] Open
Abstract
CRISPR-mediated knock-in (KI) technology opens a new era of fluorescent-protein labeling in zebrafish, a preferred model organism for in vivo imaging. We described here an optimized zebrafish gene-tagging strategy, which enables easy and high-efficiency KI, ensures high odds of obtaining seamless KI germlines and is suitable for wide applications. Plasmid donors for 3'-labeling were optimized by shortening the microhomologous arms and by reducing the number and reversing the sequence of the consensus Cas9/sgRNA binding sites. To allow for scar-less KI across the genome, linearized dsDNA donors with 5'-chemical modifications were generated and successfully incorporated into our method. To refine the germline screen workflow and expedite the screen process, we combined fluorescence enrichment and caudal-fin junction-PCR. Furthermore, to trace proteins expressed at a low abundance, we developed a fluorescent signal amplifier using the transcriptional activation strategy. Together, our strategies enable efficient gene-tagging and sensitive expression detection for almost every gene in zebrafish.
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Affiliation(s)
- Jiannan Liu
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Faculty of Medicine and Life Sciences, Xiamen University, 361102, Xiamen, Fujian, China
| | - Wenyuan Li
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Faculty of Medicine and Life Sciences, Xiamen University, 361102, Xiamen, Fujian, China
| | - Xuepu Jin
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Faculty of Medicine and Life Sciences, Xiamen University, 361102, Xiamen, Fujian, China
| | - Fanjia Lin
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Faculty of Medicine and Life Sciences, Xiamen University, 361102, Xiamen, Fujian, China
| | - Jiahuai Han
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Faculty of Medicine and Life Sciences, Xiamen University, 361102, Xiamen, Fujian, China.
- Laboratory Animal Center, Xiamen University, 361102, Xiamen, Fujian, China.
- Research Unit of Cellular Stress of CAMS, Cancer Research Center of Xiamen University, Xiang'an Hospital of Xiamen University, School of Medicine, Xiamen University, 361102, Xiamen, Fujian, China.
| | - Yingying Zhang
- State Key Laboratory of Cellular Stress Biology, School of Life Sciences, Faculty of Medicine and Life Sciences, Xiamen University, 361102, Xiamen, Fujian, China.
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112
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Walker AJ, Graham C, Greenwood M, Woodall M, Maeshima R, O’Hara-Wright M, Sanz DJ, Guerrini I, Aldossary AM, O’Callaghan C, Baines DL, Harrison PT, Hart SL. Molecular and functional correction of a deep intronic splicing mutation in CFTR by CRISPR-Cas9 gene editing. Mol Ther Methods Clin Dev 2023; 31:101140. [PMID: 38027060 PMCID: PMC10661860 DOI: 10.1016/j.omtm.2023.101140] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/29/2022] [Accepted: 10/17/2023] [Indexed: 12/01/2023]
Abstract
Cystic fibrosis (CF) is an autosomal recessive disorder caused by mutations in the CFTR gene. The 10th most common mutation, c.3178-2477C>T (3849+10kb C>T), involves a cryptic, intronic splice site. This mutation was corrected in CF primary cells homozygous for this mutation by delivering pairs of guide RNAs (gRNAs) with Cas9 protein in ribonucleoprotein (RNP) complexes that introduce double-strand breaks to flanking sites to excise the 3849+10kb C>T mutation, followed by DNA repair by the non-homologous end-joining pathway, which functions in all cells of the airway epithelium. RNP complexes were delivered to CF basal epithelial cell by a non-viral, receptor-targeted nanocomplex comprising a formulation of targeting peptides and lipids. Canonical CFTR mRNA splicing was, thus, restored leading to the restoration of CFTR protein expression with concomitant restoration of electrophysiological function in airway epithelial air-liquid interface cultures. Off-target editing was not detected by Sanger sequencing of in silico-selected genomic sites with the highest sequence similarities to the gRNAs, although more sensitive unbiased whole genome sequencing methods would be required for possible translational developments. This approach could potentially be used to correct aberrant splicing signals in several other CF mutations and other genetic disorders where deep-intronic mutations are pathogenic.
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Affiliation(s)
- Amy J. Walker
- Genetics and Genomic Medicine Department, UCL Great Ormond Street Institute of Child Health, London, UK
| | - Carina Graham
- Genetics and Genomic Medicine Department, UCL Great Ormond Street Institute of Child Health, London, UK
| | - Miriam Greenwood
- Genetics and Genomic Medicine Department, UCL Great Ormond Street Institute of Child Health, London, UK
| | - Maximillian Woodall
- Institute for Infection and Immunity, St. George’s, University of London, London, UK
| | - Ruhina Maeshima
- Genetics and Genomic Medicine Department, UCL Great Ormond Street Institute of Child Health, London, UK
| | - Michelle O’Hara-Wright
- Genetics and Genomic Medicine Department, UCL Great Ormond Street Institute of Child Health, London, UK
| | - David J. Sanz
- Department of Physiology, BioSciences Institute, University College Cork, Cork, Ireland
| | - Ileana Guerrini
- Genetics and Genomic Medicine Department, UCL Great Ormond Street Institute of Child Health, London, UK
| | - Ahmad M. Aldossary
- Genetics and Genomic Medicine Department, UCL Great Ormond Street Institute of Child Health, London, UK
| | - Christopher O’Callaghan
- Infection, Immunity & Inflammation Department, UCL Great Ormond Street Institute of Child Health, London, UK
| | - Deborah L. Baines
- Institute for Infection and Immunity, St. George’s, University of London, London, UK
| | - Patrick T. Harrison
- Department of Physiology, BioSciences Institute, University College Cork, Cork, Ireland
| | - Stephen L. Hart
- Genetics and Genomic Medicine Department, UCL Great Ormond Street Institute of Child Health, London, UK
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113
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Kasianchuk N, Dobrowolska K, Harkava S, Bretcan A, Zarębska-Michaluk D, Jaroszewicz J, Flisiak R, Rzymski P. Gene-Editing and RNA Interference in Treating Hepatitis B: A Review. Viruses 2023; 15:2395. [PMID: 38140636 PMCID: PMC10747710 DOI: 10.3390/v15122395] [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: 10/28/2023] [Revised: 12/04/2023] [Accepted: 12/06/2023] [Indexed: 12/24/2023] Open
Abstract
The hepatitis B virus (HBV) continues to cause substantial health and economic burdens, and its target of elimination may not be reached in 2030 without further efforts in diagnostics, non-pharmaceutical prevention measures, vaccination, and treatment. Current therapeutic options in chronic HBV, based on interferons and/or nucleos(t)ide analogs, suppress the virus replication but do not eliminate the pathogen and suffer from several constraints. This paper reviews the progress on biotechnological approaches in functional and definitive HBV treatments, including gene-editing tools, i.e., zinc-finger proteins, transcription activator-like effector nucleases, and CRISPR/Cas9, as well as therapeutics based on RNA interference. The advantages and challenges of these approaches are also discussed. Although the safety and efficacy of gene-editing tools in HBV therapies are yet to be demonstrated, they show promise for the revitalization of a much-needed advance in the field and offer viral eradication. Particular hopes are related to CRISPR/Cas9; however, therapeutics employing this system are yet to enter the clinical testing phases. In contrast, a number of candidates based on RNA interference, intending to confer a functional cure, have already been introduced to human studies. However, larger and longer trials are required to assess their efficacy and safety. Considering that prevention is always superior to treatment, it is essential to pursue global efforts in HBV vaccination.
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Affiliation(s)
- Nadiia Kasianchuk
- Faculty of Biology, Adam Mickiewicz University in Poznań, 61-614 Poznań, Poland
| | | | - Sofiia Harkava
- Junior Academy of Sciences of Ukraine, Regional Branch in Dnipro, 49000 Dnipro, Ukraine;
| | - Andreea Bretcan
- National College “Ienăchiță Văcărescu”, 130016 Târgoviște, Romania;
| | - Dorota Zarębska-Michaluk
- Department of Infectious Diseases and Allergology, Jan Kochanowski University, 25-317 Kielce, Poland;
| | - Jerzy Jaroszewicz
- Department of Infectious Diseases and Hepatology, Medical University of Silesia in Katowice, 41-902 Bytom, Poland;
| | - Robert Flisiak
- Department of Infectious Diseases and Hepatology, Medical University of Białystok, 15-540 Białystok, Poland;
| | - Piotr Rzymski
- Department of Environmental Medicine, Poznan University of Medical Sciences, 60-806 Poznań, Poland
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114
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Bhuyan SJ, Kumar M, Ramrao Devde P, Rai AC, Mishra AK, Singh PK, Siddique KHM. Progress in gene editing tools, implications and success in plants: a review. Front Genome Ed 2023; 5:1272678. [PMID: 38144710 PMCID: PMC10744593 DOI: 10.3389/fgeed.2023.1272678] [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: 08/07/2023] [Accepted: 11/13/2023] [Indexed: 12/26/2023] Open
Abstract
Genetic modifications are made through diverse mutagenesis techniques for crop improvement programs. Among these mutagenesis tools, the traditional methods involve chemical and radiation-induced mutagenesis, resulting in off-target and unintended mutations in the genome. However, recent advances have introduced site-directed nucleases (SDNs) for gene editing, significantly reducing off-target changes in the genome compared to induced mutagenesis and naturally occurring mutations in breeding populations. SDNs have revolutionized genetic engineering, enabling precise gene editing in recent decades. One widely used method, homology-directed repair (HDR), has been effective for accurate base substitution and gene alterations in some plant species. However, its application has been limited due to the inefficiency of HDR in plant cells and the prevalence of the error-prone repair pathway known as non-homologous end joining (NHEJ). The discovery of CRISPR-Cas has been a game-changer in this field. This system induces mutations by creating double-strand breaks (DSBs) in the genome and repairing them through associated repair pathways like NHEJ. As a result, the CRISPR-Cas system has been extensively used to transform plants for gene function analysis and to enhance desirable traits. Researchers have made significant progress in genetic engineering in recent years, particularly in understanding the CRISPR-Cas mechanism. This has led to various CRISPR-Cas variants, including CRISPR-Cas13, CRISPR interference, CRISPR activation, base editors, primes editors, and CRASPASE, a new CRISPR-Cas system for genetic engineering that cleaves proteins. Moreover, gene editing technologies like the prime editor and base editor approaches offer excellent opportunities for plant genome engineering. These cutting-edge tools have opened up new avenues for rapidly manipulating plant genomes. This review article provides a comprehensive overview of the current state of plant genetic engineering, focusing on recently developed tools for gene alteration and their potential applications in plant research.
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Affiliation(s)
- Suman Jyoti Bhuyan
- Department of Biotechnology, Mizoram University (A Central University), Pachhunga University College Campus, Aizawl, Mizoram, India
| | - Manoj Kumar
- Institute of Plant Sciences, Agricultural Research Organization, Volcani Center, Rishon LeZion, Israel
| | - Pandurang Ramrao Devde
- Department of Biotechnology, Mizoram University (A Central University), Pachhunga University College Campus, Aizawl, Mizoram, India
| | - Avinash Chandra Rai
- Institute of Plant Sciences, Agricultural Research Organization, Volcani Center, Rishon LeZion, Israel
| | | | - Prashant Kumar Singh
- Department of Biotechnology, Mizoram University (A Central University), Pachhunga University College Campus, Aizawl, Mizoram, India
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Hahn R, Avraham KB. Gene Therapy for Inherited Hearing Loss: Updates and Remaining Challenges. Audiol Res 2023; 13:952-966. [PMID: 38131808 PMCID: PMC10740825 DOI: 10.3390/audiolres13060083] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/10/2023] [Revised: 11/13/2023] [Accepted: 11/24/2023] [Indexed: 12/23/2023] Open
Abstract
Hearing loss stands as the most prevalent sensory deficit among humans, posing a significant global health challenge. Projections indicate that by 2050, approximately 10% of the world's population will grapple with disabling hearing impairment. While approximately half of congenital hearing loss cases have a genetic etiology, traditional interventions such as hearing aids and cochlear implants do not completely restore normal hearing. The absence of biological treatment has prompted significant efforts in recent years, with a strong focus on gene therapy to address hereditary hearing loss. Although several studies have exhibited promising recovery from common forms of genetic deafness in mouse models, existing challenges must be overcome to make gene therapy applicable in the near future. Herein, we summarize the primary gene therapy strategies employed over past years, provide an overview of the recent achievements in preclinical studies for genetic hearing loss, and outline the current key obstacles to cochlear gene therapy.
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Affiliation(s)
| | - Karen B. Avraham
- Department of Human Molecular Genetics and Biochemistry, Faculty of Medicine and Sagol School of Neuroscience, Tel Aviv University, Tel Aviv 6997801, Israel;
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116
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Kumam Y, Trick HN, Vara Prasad P, Jugulam M. Transformative Approaches for Sustainable Weed Management: The Power of Gene Drive and CRISPR-Cas9. Genes (Basel) 2023; 14:2176. [PMID: 38136999 PMCID: PMC10742955 DOI: 10.3390/genes14122176] [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: 10/27/2023] [Revised: 11/25/2023] [Accepted: 12/01/2023] [Indexed: 12/24/2023] Open
Abstract
Weeds can negatively impact crop yields and the ecosystem's health. While many weed management strategies have been developed and deployed, there is a greater need for the development of sustainable methods for employing integrated weed management. Gene drive systems can be used as one of the approaches to suppress the aggressive growth and reproductive behavior of weeds, although their efficacy is yet to be tested. Their popularity in insect pest management has increased, however, with the advent of CRISPR-Cas9 technology, which provides specificity and precision in editing the target gene. This review focuses on the different types of gene drive systems, including the use of CRISPR-Cas9-based systems and their success stories in pest management, while also exploring their possible applications in weed species. Factors that govern the success of a gene drive system in weeds, including the mode of reproduction, the availability of weed genome databases, and well-established transformation protocols are also discussed. Importantly, the risks associated with the release of weed populations with gene drive-bearing alleles into wild populations are also examined, along with the importance of addressing ecological consequences and ethical concerns.
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Affiliation(s)
- Yaiphabi Kumam
- Department of Agronomy, Kansas State University, Manhattan, KS 66506, USA; (Y.K.); (P.V.V.P.)
| | - Harold N Trick
- Department of Plant Pathology, Kansas State University, Manhattan, KS 66506, USA;
| | - P.V. Vara Prasad
- Department of Agronomy, Kansas State University, Manhattan, KS 66506, USA; (Y.K.); (P.V.V.P.)
| | - Mithila Jugulam
- Department of Agronomy, Kansas State University, Manhattan, KS 66506, USA; (Y.K.); (P.V.V.P.)
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117
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Tan J, Shen M, Chai N, Liu Q, Liu YG, Zhu Q. Genome editing for plant synthetic metabolic engineering and developmental regulation. JOURNAL OF PLANT PHYSIOLOGY 2023; 291:154141. [PMID: 38016350 DOI: 10.1016/j.jplph.2023.154141] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 08/29/2023] [Revised: 10/31/2023] [Accepted: 11/17/2023] [Indexed: 11/30/2023]
Abstract
Plant metabolism and development are a reflection of the orderly expression of genetic information intertwined with the environment interactions. Genome editing is the cornerstone for scientists to modify endogenous genes or introduce exogenous functional genes and metabolic pathways, holding immense potential applications in molecular breeding and biosynthesis. Over the course of nearly a decade of development, genome editing has advanced significantly beyond the simple cutting of double-stranded DNA, now enabling precise base and fragment replacements, regulation of gene expression and translation, as well as epigenetic modifications. However, the utilization of genome editing in plant synthetic metabolic engineering and developmental regulation remains exploratory. Here, we provide an introduction and a comprehensive overview of the editing attributes associated with various CRISPR/Cas tools, along with diverse strategies for the meticulous control of plant metabolic pathways and developments. Furthermore, we discuss the limitations of current approaches and future prospects for genome editing-driven plant breeding.
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Affiliation(s)
- Jiantao Tan
- Rice Research Institute, Guangdong Academy of Agricultural Sciences, Key Laboratory of Genetics and Breeding of High-Quality Rice in Southern China (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Guangdong Key Laboratory of New Technology in Rice Breeding, Guangdong Rice Engineering Laboratory, Guangzhou, 510640, China.
| | - Mengyuan Shen
- Rice Research Institute, Guangdong Academy of Agricultural Sciences, Key Laboratory of Genetics and Breeding of High-Quality Rice in Southern China (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Guangdong Key Laboratory of New Technology in Rice Breeding, Guangdong Rice Engineering Laboratory, Guangzhou, 510640, China
| | - Nan Chai
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Laboratory for Lingnan Modern Agriculture, College of Life Sciences, South China Agricultural University, Guangzhou, 510642, China
| | - Qi Liu
- Rice Research Institute, Guangdong Academy of Agricultural Sciences, Key Laboratory of Genetics and Breeding of High-Quality Rice in Southern China (Co-construction by Ministry and Province), Ministry of Agriculture and Rural Affairs, Guangdong Key Laboratory of New Technology in Rice Breeding, Guangdong Rice Engineering Laboratory, Guangzhou, 510640, China
| | - Yao-Guang Liu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Laboratory for Lingnan Modern Agriculture, College of Life Sciences, South China Agricultural University, Guangzhou, 510642, China
| | - Qinlong Zhu
- State Key Laboratory for Conservation and Utilization of Subtropical Agro-Bioresources, Guangdong Laboratory for Lingnan Modern Agriculture, College of Life Sciences, South China Agricultural University, Guangzhou, 510642, China.
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Li X, Quan M, Wei Y, Wang W, Xu L, Wang Q, Jia J. Critical thinking of Alzheimer's transgenic mouse model: current research and future perspective. SCIENCE CHINA. LIFE SCIENCES 2023; 66:2711-2754. [PMID: 37480469 DOI: 10.1007/s11427-022-2357-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/22/2022] [Accepted: 04/23/2023] [Indexed: 07/24/2023]
Abstract
Transgenic models are useful tools for studying the pathogenesis of and drug development for Alzheimer's Disease (AD). AD models are constructed usually using overexpression or knock-in of multiple pathogenic gene mutations from familial AD. Each transgenic model has its unique behavioral and pathological features. This review summarizes the research progress of transgenic mouse models, and their progress in the unique mechanism of amyloid-β oligomers, including the first transgenic mouse model built in China based on a single gene mutation (PSEN1 V97L) found in Chinese familial AD. We further summarized the preclinical findings of drugs using the models, and their future application in exploring the upstream mechanisms and multitarget drug development in AD.
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Affiliation(s)
- Xinyue Li
- Innovation Center for Neurological Disorders and Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
| | - Meina Quan
- Innovation Center for Neurological Disorders and Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
- National Medical Center for Neurological Diseases and National Clinical Research Center for Geriatric Diseases, Beijing, 100053, China
| | - Yiping Wei
- Innovation Center for Neurological Disorders and Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
| | - Wei Wang
- Innovation Center for Neurological Disorders and Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
- National Medical Center for Neurological Diseases and National Clinical Research Center for Geriatric Diseases, Beijing, 100053, China
| | - Lingzhi Xu
- Innovation Center for Neurological Disorders and Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
| | - Qi Wang
- Innovation Center for Neurological Disorders and Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China
- National Medical Center for Neurological Diseases and National Clinical Research Center for Geriatric Diseases, Beijing, 100053, China
| | - Jianping Jia
- Innovation Center for Neurological Disorders and Department of Neurology, Xuanwu Hospital, Capital Medical University, Beijing, 100053, China.
- National Medical Center for Neurological Diseases and National Clinical Research Center for Geriatric Diseases, Beijing, 100053, China.
- Beijing Key Laboratory of Geriatric Cognitive Disorders, Beijing, 100053, China.
- Clinical Center for Neurodegenerative Disease and Memory Impairment, Capital Medical University, Beijing, 100053, China.
- Center of Alzheimer's Disease, Beijing Institute of Brain Disorders, Collaborative Innovation Center for Brain Disorders, Capital Medical University, Beijing, 100053, China.
- Key Laboratory of Neurodegenerative Diseases, Ministry of Education, Beijing, 100053, China.
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Bi M, Wang Z, Cheng K, Cui Y, He Y, Ma J, Qi M. Construction of transcription factor mutagenesis population in tomato using a pooled CRISPR/Cas9 plasmid library. PLANT PHYSIOLOGY AND BIOCHEMISTRY : PPB 2023; 205:108094. [PMID: 37995578 DOI: 10.1016/j.plaphy.2023.108094] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/18/2023] [Revised: 09/25/2023] [Accepted: 10/12/2023] [Indexed: 11/25/2023]
Abstract
Adequate mutant materials are the prerequisite for conducting gene function research or screening novel functional genes in plants. The strategy of constructing a large-scale mutant population using the pooled CRISPR/Cas9-sgRNA library has been implemented in several crops. However, the effective application of this CRISPR/Cas9 large-scale screening strategy to tomato remains to be attempted. Here, we identified 990 transcription factors in the tomato genome, designed and synthesized a CRISPR/Cas9 plasmid library containing 4379 sgRNAs. Using this pooled library, 487 T0 positive plants were obtained, among which 92 plants harbored a single sgRNA sequence, targeting 65 different transcription factors, with a mutation rate of 23%. In the T0 mutant population, the occurrence of homozygous and biallelic mutations was observed at higher frequencies. Additionally, the utilization of a small-scale CRISPR/Cas9 library targeting 30 transcription factors could enhance the efficacy of single sgRNA recognition in positive plants, increasing it from 19% to 42%. Phenotypic characterization of several mutants identified from the mutant population demonstrated the utility of our CRISPR/Cas9 mutant library. Taken together, our study offers insights into the implementation and optimization of CRISPR/Cas9-mediated large-scale knockout library in tomato.
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Affiliation(s)
- Mengxi Bi
- College of Horticulture, Shenyang Agricultural University, Shenyang, China; National & Local Joint Engineering Research Center of Northern Horticultural Facilities Design & Application Technology (Liaoning), Shenyang, China; Key Laboratory of Protected Horticulture (Shenyang Agricultural University), Ministry of Education, Shenyang, China; Key Laboratory of Horticultural Equipment, Ministry of Agriculture and Rural Affairs, Shenyang, China
| | - Zhijun Wang
- College of Horticulture, Shenyang Agricultural University, Shenyang, China; National & Local Joint Engineering Research Center of Northern Horticultural Facilities Design & Application Technology (Liaoning), Shenyang, China; Key Laboratory of Protected Horticulture (Shenyang Agricultural University), Ministry of Education, Shenyang, China; Key Laboratory of Horticultural Equipment, Ministry of Agriculture and Rural Affairs, Shenyang, China
| | - Keyan Cheng
- College of Horticulture, Shenyang Agricultural University, Shenyang, China; National & Local Joint Engineering Research Center of Northern Horticultural Facilities Design & Application Technology (Liaoning), Shenyang, China; Key Laboratory of Protected Horticulture (Shenyang Agricultural University), Ministry of Education, Shenyang, China; Key Laboratory of Horticultural Equipment, Ministry of Agriculture and Rural Affairs, Shenyang, China
| | - Yiqing Cui
- National & Local Joint Engineering Research Center of Northern Horticultural Facilities Design & Application Technology (Liaoning), Shenyang, China; Key Laboratory of Protected Horticulture (Shenyang Agricultural University), Ministry of Education, Shenyang, China
| | - Yi He
- National & Local Joint Engineering Research Center of Northern Horticultural Facilities Design & Application Technology (Liaoning), Shenyang, China; Key Laboratory of Protected Horticulture (Shenyang Agricultural University), Ministry of Education, Shenyang, China
| | - Jian Ma
- College of Horticulture, Shenyang Agricultural University, Shenyang, China; National & Local Joint Engineering Research Center of Northern Horticultural Facilities Design & Application Technology (Liaoning), Shenyang, China; Key Laboratory of Protected Horticulture (Shenyang Agricultural University), Ministry of Education, Shenyang, China; Key Laboratory of Horticultural Equipment, Ministry of Agriculture and Rural Affairs, Shenyang, China
| | - Mingfang Qi
- College of Horticulture, Shenyang Agricultural University, Shenyang, China; National & Local Joint Engineering Research Center of Northern Horticultural Facilities Design & Application Technology (Liaoning), Shenyang, China; Key Laboratory of Protected Horticulture (Shenyang Agricultural University), Ministry of Education, Shenyang, China; Key Laboratory of Horticultural Equipment, Ministry of Agriculture and Rural Affairs, Shenyang, China.
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120
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Yamakawa S, Sasakura Y, Morino Y, Wada H. Detection of TALEN-mediated genome cleavage during the early embryonic stage of the starfish Patiria pectinifera. Dev Dyn 2023; 252:1471-1481. [PMID: 37431812 DOI: 10.1002/dvdy.641] [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: 12/10/2022] [Revised: 06/16/2023] [Accepted: 06/20/2023] [Indexed: 07/12/2023] Open
Abstract
BACKGROUND Echinoderms have long been utilized as experimental materials to study the genetic control of developmental processes and their evolution. Among echinoderms, the molecular study of starfish embryos has received considerable attention across research topics such as gene regulatory network evolution and larval regeneration. Recently, experimental techniques to manipulate gene functions have been gradually established in starfish as the feasibility of genome editing methods was reported. However, it is still unclear when these techniques cause genome cleavage during the development of starfish, which is critical to understand the timeframe and applicability of the experiment during early development of starfish. RESULTS We herein reported that gene functions can be analyzed by the genome editing method TALEN in early embryos, such as the blastula of the starfish Patiria pectinifera. We injected the mRNA of TALEN targeting rar, which was previously constructed, into eggs of P. pectinifera and examined the efficiency of genome cleavage through developmental stages from 6 to 48 hours post fertilization. CONCLUSION The results will be key knowledge not only when designing TALEN-based experiments but also when assessing the results.
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Affiliation(s)
- Shumpei Yamakawa
- Graduate School of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Yasunori Sasakura
- Shimoda Marine Research Center, University of Tsukuba, Shimoda, Shizuoka, Japan
| | - Yoshiaki Morino
- Faculty of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan
| | - Hiroshi Wada
- Faculty of Life and Environmental Sciences, University of Tsukuba, Tsukuba, Ibaraki, Japan
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Bora J, Dey A, Lyngdoh AR, Dhasmana A, Ranjan A, Kishore S, Rustagi S, Tuli HS, Chauhan A, Rath P, Malik S. A critical review on therapeutic approaches of CRISPR-Cas9 in diabetes mellitus. NAUNYN-SCHMIEDEBERG'S ARCHIVES OF PHARMACOLOGY 2023; 396:3459-3481. [PMID: 37522916 DOI: 10.1007/s00210-023-02631-1] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/30/2023] [Accepted: 07/14/2023] [Indexed: 08/01/2023]
Abstract
Diabetes mellitus (D.M.) is a common metabolic disorder caused mainly by combining two primary factors, which are (1) defects in insulin production by the pancreatic β-cells and (2) responsiveness of insulin-sensitive tissues towards insulin. Despite the rapid advancement in medicine to suppress elevated blood glucose levels (hyperglycemia) and insulin resistance associated with this hazard, a demand has undoubtedly emerged to find more effective and curative dimensions in therapeutic approaches against D.M. The administration of diabetes treatment that emphasizes insulin production and sensitivity may result in unfavorable side effects, reduced adherence, and potential treatment ineffectiveness. Recent progressions in genome editing technologies, for instance, in zinc-finger nucleases, transcription activator-like effector nucleases, and clustered regularly interspaced short palindromic repeat (CRISPR-Cas)-associated nucleases, have greatly influenced the gene editing technology from concepts to clinical practices. Improvements in genome editing technologies have also opened up the possibility to target and modify specific genome sequences in a cell directly. CRISPR/Cas9 has proven effective in utilizing ex vivo gene editing in embryonic stem cells and stem cells derived from patients. This application has facilitated the exploration of pancreatic beta-cell development and function. Furthermore, CRISPR/Cas9 enables the creation of innovative animal models for diabetes and assesses the effectiveness of different therapeutic strategies in treating the condition. We, therefore, present a critical review of the therapeutic approaches of the genome editing tool CRISPR-Cas9 in treating D.M., discussing the challenges and limitations of implementing this technology.
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Affiliation(s)
- Jutishna Bora
- Amity Institute of Biotechnology, Amity University Jharkhand, Ranchi, 834001, India
| | - Ankita Dey
- Department of Biochemistry, North Eastern Hill University, Shillong, Meghalaya, 793022, India
| | - Antonia R Lyngdoh
- Department of Biochemistry, North Eastern Hill University, Shillong, Meghalaya, 793022, India
| | - Archna Dhasmana
- Himalayan School of Biosciences, Swami Rama Himalayan University, Jolly Grant, Dehradun, Uttarakhand, India
| | - Anuj Ranjan
- Academy of Biology and Biotechnology, Southern Federal University, Stachki 194/1, Rostov-On-Don, 344090, Russia
| | - Shristi Kishore
- Amity Institute of Biotechnology, Amity University Jharkhand, Ranchi, 834001, India
| | - Sarvesh Rustagi
- School of Applied and Life Sciences, Uttaranchal University, 22 Dehradun, Uttarakhand, India
| | - Hardeep Singh Tuli
- Department of Biotechnology, Maharishi Markandeshwar Engineering College, Maharishi Markandeshwar (Deemed to Be University), Mullana-Ambala, 133207, India
| | - Abhishek Chauhan
- Amity Institute of Environmental Toxicology Safety and Management, Amity University, Sector 125, Noida, Uttar Pradesh, India
| | - Prangya Rath
- Amity Institute of Environmental Sciences, Amity University, Noida, Uttar Pradesh, 201303, India
| | - Sumira Malik
- Amity Institute of Biotechnology, Amity University Jharkhand, Ranchi, 834001, India.
- School of Applied and Life Sciences, Uttaranchal University, 22 Dehradun, Uttarakhand, India.
- Guru Nanak College of Pharmaceutical Sciences, Dehradun, Uttarakhand, India.
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Pradhan SK, Karuppannasamy A, Sujatha PM, Nagaraja BC, Narayanappa AC, Chalapathi P, Dhawane Y, Bynakal S, Riegler M, Maligeppagol M, Ramasamy A. Embryonic microinjection of ribonucleoprotein complex (Cas9+sgRNA) of white gene in melon fly, Zeugodacus cucurbitae (Coquillett) (Diptera: Tephritidae) produced white eye phenotype. ARCHIVES OF INSECT BIOCHEMISTRY AND PHYSIOLOGY 2023; 114:e22059. [PMID: 37844014 DOI: 10.1002/arch.22059] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/01/2023] [Revised: 09/06/2023] [Accepted: 10/09/2023] [Indexed: 10/18/2023]
Abstract
Melon fly, Zeugodacus cucurbitae (Coquillett) is a major pest of cucurbitaceous crops, and causes substantial yield losses and economic costs. CRISPR/Cas9 is a rapid and effective site-specific genome editing tool for the generation of genetic changes that are stable and heritable. The CRISPR/Cas9 tool uses synthetically designed single guide RNA (sgRNA) that is complementary to the target gene and guides the Cas9 enzyme to perform nuclease activity by making double-strand breaks in the target DNA sequences. This tool can be effectively exploited to improve traits critical for the management of insect pests by targeting specific genes encoding these traits without the need of extensive genetic information. The white gene is an important gene responsible for the transport of body pigment precursor molecules. In this study, we produced effective mutagenesis of the white gene of Z. cucurbitae using the CRISPR/Cas9 tool with double sgRNA to target multiple sites of white to increase the efficiency in the generation of frame-shift mutations resulting in the white eye phenotype in adults. This was achieved through embryonic microinjection of the ribonucleoprotein (RNP) complex in the pre-blastoderm embryo stage 1 h after embryo laying. Our success with the production of a white eye mutant fly by CRISPR/Cas9 mutagenesis is important for the research on gene function and protein-level modifications in melon fly and forms the basis for the development of new genetic control strategies such as precision guided sterile insect technique (pgSIT) for this pest of economic significance.
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Affiliation(s)
- Sanjay Kumar Pradhan
- Division of Basic Sciences, ICAR-Indian Institute of Horticultural Research, Bengaluru, India
- Department of Agricultural Entomology, University of Agricultural Sciences, Bengaluru, India
- Hawkesbury Institute for the Environment, Western Sydney University, Penrith, New South Wales, Australia
| | - Ashok Karuppannasamy
- Division of Basic Sciences, ICAR-Indian Institute of Horticultural Research, Bengaluru, India
- Department of Agricultural Entomology, Tamil Nadu Agricultural University, Coimbatore, India
| | - Parvathy Madhusoodanan Sujatha
- Division of Basic Sciences, ICAR-Indian Institute of Horticultural Research, Bengaluru, India
- Department of Plant Biotechnology, University of Agricultural Sciences, Bengaluru, India
| | - Bhargava Chikmagalur Nagaraja
- Division of Basic Sciences, ICAR-Indian Institute of Horticultural Research, Bengaluru, India
- Department of Agricultural Entomology, University of Agricultural Sciences, Bengaluru, India
| | - Anu Cholenahalli Narayanappa
- Division of Basic Sciences, ICAR-Indian Institute of Horticultural Research, Bengaluru, India
- Department of Agricultural Entomology, University of Agricultural Sciences, Bengaluru, India
| | - Pradeep Chalapathi
- Division of Basic Sciences, ICAR-Indian Institute of Horticultural Research, Bengaluru, India
- Department of Plant Biotechnology, University of Agricultural Sciences, Bengaluru, India
| | - Yogi Dhawane
- Division of Basic Sciences, ICAR-Indian Institute of Horticultural Research, Bengaluru, India
| | - Shivanna Bynakal
- Department of Agricultural Entomology, University of Agricultural Sciences, Bengaluru, India
| | - Markus Riegler
- Hawkesbury Institute for the Environment, Western Sydney University, Penrith, New South Wales, Australia
| | - Manamohan Maligeppagol
- Division of Basic Sciences, ICAR-Indian Institute of Horticultural Research, Bengaluru, India
| | - Asokan Ramasamy
- Division of Basic Sciences, ICAR-Indian Institute of Horticultural Research, Bengaluru, India
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Aweidah H, Xi Z, Sahel JA, Byrne LC. PRPF31-retinitis pigmentosa: Challenges and opportunities for clinical translation. Vision Res 2023; 213:108315. [PMID: 37714045 PMCID: PMC10872823 DOI: 10.1016/j.visres.2023.108315] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2023] [Revised: 08/23/2023] [Accepted: 08/24/2023] [Indexed: 09/17/2023]
Abstract
Mutations in pre-mRNA processing factor 31 cause autosomal dominant retinitis pigmentosa (PRPF31-RP), for which there is currently no efficient treatment, making this disease a prime target for the development of novel therapeutic strategies. PRPF31-RP exhibits incomplete penetrance due to haploinsufficiency, in which reduced levels of gene expression from the mutated allele result in disease. A variety of model systems have been used in the investigation of disease etiology and therapy development. In this review, we discuss recent advances in both in vivo and in vitro model systems, evaluating their advantages and limitations in the context of therapy development for PRPF31-RP. Additionally, we describe the latest approaches for treatment, including AAV-mediated gene augmentation, genome editing, and late-stage therapies such as optogenetics, cell transplantation, and retinal prostheses.
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Affiliation(s)
- Hamzah Aweidah
- Department of Ophthalmology, University of Pittsburgh, Pittsburgh, PA, USA
| | - Zhouhuan Xi
- Department of Ophthalmology, University of Pittsburgh, Pittsburgh, PA, USA; Department of Ophthalmology, Eye Center, The First Affiliated Hospital of USTC, Division of Life Sciences and Medicine, University of Science and Technology of China, Hefei, Anhui, China
| | - José-Alain Sahel
- Department of Ophthalmology, University of Pittsburgh, Pittsburgh, PA, USA; Department of Neurobiology, University of Pittsburgh, Pittsburgh, PA, USA; Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, USA
| | - Leah C Byrne
- Department of Ophthalmology, University of Pittsburgh, Pittsburgh, PA, USA; Department of Neurobiology, University of Pittsburgh, Pittsburgh, PA, USA; Department of Bioengineering, University of Pittsburgh, Pittsburgh, PA, USA.
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124
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Ben-Zvi I, Karasik D, Ackert-Bicknell CL. Zebrafish as a Model for Osteoporosis: Functional Validations of Genome-Wide Association Studies. Curr Osteoporos Rep 2023; 21:650-659. [PMID: 37971665 DOI: 10.1007/s11914-023-00831-5] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Accepted: 10/02/2023] [Indexed: 11/19/2023]
Abstract
PURPOSE OF REVIEW GWAS, as a largely correlational analysis, requires in vitro or in vivo validation. Zebrafish (Danio rerio) have many advantages for studying the genetics of human diseases. Since gene editing in zebrafish has been highly valuable for studying embryonic skeletal developmental processes that are prenatally or perinatally lethal in mammalian models, we are reviewing pros and cons of this model. RECENT FINDINGS The true power for the use of zebrafish is the ease by which the genome can be edited, especially using the CRISPR/Cas9 system. Gene editing, followed by phenotyping, for complex traits such as BMD, is beneficial, but the major physiological differences between the fish and mammals must be considered. Like mammals, zebrafish do have main bone cells; thus, both in vivo stem cell analyses and in vivo imaging are doable. Yet, the "long" bones of fish are peculiar, and their bone cavities do not contain bone marrow. Partial duplication of the zebrafish genome should be taken into account. Overall, small fish toolkit can provide unmatched opportunities for genetic modifications and morphological investigation as a follow-up to human-first discovery.
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Affiliation(s)
- Inbar Ben-Zvi
- The Musculoskeletal Genetics Laboratory, The Azrieli Faculty of Medicine, Bar-Ilan University, Safed, Israel
| | - David Karasik
- The Musculoskeletal Genetics Laboratory, The Azrieli Faculty of Medicine, Bar-Ilan University, Safed, Israel.
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125
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Zanatta CB, Hoepers AM, Nodari RO, Agapito-Tenfen SZ. Specificity Testing for NGT PCR-Based Detection Methods in the Context of the EU GMO Regulations. Foods 2023; 12:4298. [PMID: 38231759 DOI: 10.3390/foods12234298] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/20/2023] [Revised: 11/07/2023] [Accepted: 11/20/2023] [Indexed: 01/19/2024] Open
Abstract
The term new genomic techniques (NGTs) is an umbrella term used to describe a variety of techniques that can alter the genetic material of an organism and that have emerged or have been developed since 2001, when the existing genetically modified organism (GMO) legislation was adopted. The analytical framework used to detect GMOs in Europe is an established single harmonized procedure that is mandatory for the authorization of GM food and feed, thus generating a reliable, transparent, and effective labeling scheme for GMO products. However, NGT products can challenge the implementation and enforcement of the current regulatory system in the EU, relating in particular to the detection of NGT products that contain no foreign genetic material. Consequently, the current detection methods might fail to meet the minimum performance requirements. Although existing detection methods may be able to detect and quantify even small alterations in the genome, this does not necessarily confirm the distinction between products resulting from NGTs subject to the GMO legislation and other products. Therefore, this study provides a stepwise approach for the in silico prediction of PCR systems' specificity by testing a bioinformatics pipeline for amplicon and primer set searches in current genomic databases. In addition, it also empirically tested the PCR system evaluated during the in silico analysis. Two mutant genotypes produced by CRISPR-Cas9 in Arabidopsis thaliana were used as a case study. Overall, our results demonstrate that the single PCR system developed for identifying a nucleotide insertion in the grf1-3 genotype has multiple matches in the databases, which do not enable the discrimination of this mutated event. Empirical assays further support this demonstration. In contrast, the second mutated genotype, grf8-61, which contains a -3 bp deletion, did not yield any matches in the sequence variant database. However, the primer sequences were not efficient during the empirical assay. Our approach represents a first step in decision making for analytical methods for NGT detection, identification, and quantification in light of the European labeling regulations.
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Affiliation(s)
- Caroline Bedin Zanatta
- Department of Crop Science, Federal University of Santa Catarina, Florianópolis 88034000, Brazil
| | - Aline Martins Hoepers
- Department of Crop Science, Federal University of Santa Catarina, Florianópolis 88034000, Brazil
| | - Rubens Onofre Nodari
- Department of Crop Science, Federal University of Santa Catarina, Florianópolis 88034000, Brazil
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126
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Park JH, Kim H. Harnessing CRISPR/Cas9 for Enhanced Disease Resistance in Hot Peppers: A Comparative Study on CaMLO2-Gene-Editing Efficiency across Six Cultivars. Int J Mol Sci 2023; 24:16775. [PMID: 38069102 PMCID: PMC10706117 DOI: 10.3390/ijms242316775] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/22/2023] [Revised: 11/20/2023] [Accepted: 11/23/2023] [Indexed: 12/18/2023] Open
Abstract
The Capsicum annuum Mildew Locus O (CaMLO2) gene is vital for plant defense responses against fungal pathogens like powdery mildew, a significant threat to greenhouse pepper crops. Recent advancements in genome editing, particularly using clustered regularly interspaced short palindromic repeats (CRISPR)/Cas9, have unlocked unprecedented opportunities for modifying disease-resistant genes and improving crop characteristics. However, the application of CRISPR technology in pepper cultivars has been limited, and the regeneration process remains challenging. This study addresses these limitations by investigating the feasibility of using the validated CaMLO2 genetic scissors system in six commercial hot pepper cultivars. We assessed the gene-editing efficiency of the previously reported high-efficiency Cas9/CaMLO2single-guide RNA (sgRNA)1-ribonucleoprotein (RNP) and the low-efficiency Cas9/CaMLO2sgRNA2-RNP systems by extending their application from the bell pepper 'Dempsey' and the hot pepper 'CM334' to six commercial hot pepper cultivars. Across the six cultivars, CaMLO2sgRNA1 demonstrated an editing efficiency ranging from 6.3 to 17.7%, whereas CaMLO2sgRNA2 exhibited no editing efficiency, highlighting the superior efficacy of sgRNA1. These findings indicate the potential of utilizing the verified Cas9/CaMLO2sgRNA1-RNP system to achieve efficient gene editing at the CaMLO2 locus in different Capsicum annuum cultivars regardless of their cultivar genotypes. This study provides an efficacious genome-editing tool for developing improved pepper cultivars with CaMLO2-mediated enhanced disease resistance.
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Affiliation(s)
- Jae-Hyeong Park
- Interdisciplinary Graduate Program in BIT Medical Convergence, Kangwon National University, Chuncheon 24341, Republic of Korea;
| | - Hyeran Kim
- Interdisciplinary Graduate Program in BIT Medical Convergence, Kangwon National University, Chuncheon 24341, Republic of Korea;
- Department of Biological Sciences, College of Natural Sciences, Kangwon National University, Chuncheon 24341, Republic of Korea
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127
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Martín-Valmaseda M, Devin SR, Ortuño-Hernández G, Pérez-Caselles C, Mahdavi SME, Bujdoso G, Salazar JA, Martínez-Gómez P, Alburquerque N. CRISPR/Cas as a Genome-Editing Technique in Fruit Tree Breeding. Int J Mol Sci 2023; 24:16656. [PMID: 38068981 PMCID: PMC10705926 DOI: 10.3390/ijms242316656] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/26/2023] [Revised: 11/20/2023] [Accepted: 11/21/2023] [Indexed: 12/18/2023] Open
Abstract
CRISPR (short for "Clustered Regularly Interspaced Short Palindromic Repeats") is a technology that research scientists use to selectively modify the DNA of living organisms. CRISPR was adapted for use in the laboratory from the naturally occurring genome-editing systems found in bacteria. In this work, we reviewed the methods used to introduce CRISPR/Cas-mediated genome editing into fruit species, as well as the impacts of the application of this technology to activate and knock out target genes in different fruit tree species, including on tree development, yield, fruit quality, and tolerance to biotic and abiotic stresses. The application of this gene-editing technology could allow the development of new generations of fruit crops with improved traits by targeting different genetic segments or even could facilitate the introduction of traits into elite cultivars without changing other traits. However, currently, the scarcity of efficient regeneration and transformation protocols in some species, the fact that many of those procedures are genotype-dependent, and the convenience of segregating the transgenic parts of the CRISPR system represent the main handicaps limiting the potential of genetic editing techniques for fruit trees. Finally, the latest news on the legislation and regulations about the use of plants modified using CRISPR/Cas systems has been also discussed.
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Affiliation(s)
- Marina Martín-Valmaseda
- Fruit Biotechnology Group, Department of Plant Breeding, CEBAS-CSIC (Centro de Edafología y Biología Aplicada del Segura-Consejo Superior de Investigaciones Científicas), Campus Universitario Espinardo, E-30100 Murcia, Spain (C.P.-C.); (N.A.)
| | - Sama Rahimi Devin
- Department of Horticultural Science, College of Agriculture, Shiraz University, Shiraz 7144165186, Iran; (S.R.D.); (S.M.E.M.)
| | - Germán Ortuño-Hernández
- Fruit Breeding Group, Department of Plant Breeding, CEBAS-CSIC (Centro de Edafología y Biología Aplicada del Segura-Consejo Superior de Investigaciones Científicas), Campus Universitario Espinardo, E-30100 Murcia, Spain; (G.O.-H.); (J.A.S.)
| | - Cristian Pérez-Caselles
- Fruit Biotechnology Group, Department of Plant Breeding, CEBAS-CSIC (Centro de Edafología y Biología Aplicada del Segura-Consejo Superior de Investigaciones Científicas), Campus Universitario Espinardo, E-30100 Murcia, Spain (C.P.-C.); (N.A.)
| | - Sayyed Mohammad Ehsan Mahdavi
- Department of Horticultural Science, College of Agriculture, Shiraz University, Shiraz 7144165186, Iran; (S.R.D.); (S.M.E.M.)
| | - Geza Bujdoso
- Research Centre for Fruit Growing, Hungarian University of Agriculture and Life Sciences, 1223 Budapest, Hungary;
| | - Juan Alfonso Salazar
- Fruit Breeding Group, Department of Plant Breeding, CEBAS-CSIC (Centro de Edafología y Biología Aplicada del Segura-Consejo Superior de Investigaciones Científicas), Campus Universitario Espinardo, E-30100 Murcia, Spain; (G.O.-H.); (J.A.S.)
| | - Pedro Martínez-Gómez
- Fruit Breeding Group, Department of Plant Breeding, CEBAS-CSIC (Centro de Edafología y Biología Aplicada del Segura-Consejo Superior de Investigaciones Científicas), Campus Universitario Espinardo, E-30100 Murcia, Spain; (G.O.-H.); (J.A.S.)
| | - Nuria Alburquerque
- Fruit Biotechnology Group, Department of Plant Breeding, CEBAS-CSIC (Centro de Edafología y Biología Aplicada del Segura-Consejo Superior de Investigaciones Científicas), Campus Universitario Espinardo, E-30100 Murcia, Spain (C.P.-C.); (N.A.)
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128
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Mirzaei F, Eslahi A, Karimi S, Alizadeh F, Salmaninejad A, Rezaei M, Mozaffari S, Hamzehloei T, Pasdar A, Mojarrad M. Generation of Zebrafish Models of Human Retinitis Pigmentosa Diseases Using CRISPR/Cas9-Mediated Gene Editing System. Mol Biotechnol 2023:10.1007/s12033-023-00907-8. [PMID: 37980693 DOI: 10.1007/s12033-023-00907-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/27/2023] [Accepted: 09/14/2023] [Indexed: 11/21/2023]
Abstract
Generating animal models can explore the role of new candidate genes in causing diseases and the pathogenicity of a specific mutation in the underlying genes. These animals can be used to identify new pharmaceutical or genetic therapeutic methods. In the present experiment, we developed a rpe65a knock out (KO) zebrafish as a retinitis pigmentosa (RP) disease model. Using the CRISPR/Cas9 system, the rpe65a gene was KO in zebrafish. Two specific single-guide RNAs (sgRNAs) were designed for the zebrafish rpe65a gene. SgRNAs were cloned into the DR274 plasmid and synthesized using in vitro transcription method. The efficiency of Ribonucleoprotein (synthesized sgRNA and recombinant Cas9) was evaluated by in vitro digestion experiment. Ribonucleoprotein complexes were microinjected into one to four-celled eggs of the TU zebrafish strain. The effectiveness of sgRNAs in KO the target gene was determined using the Heteroduplex mobility assay (HMA) and Sanger sequencing. Online software was used to determine the percent of mosaicism in the sequenced samples. By examining the sequences of the larvae that showed a mobility shift in the HMA method, the presence of indels in the binding region of sgRNAs was confirmed, so the zebrafish model for RP disease established. Zebrafish is an ideal animal model for the functional study of various diseases involving different genes and mutations and used for evaluating different therapeutic approaches in human diseases. This study presents the production of rpe65a gene KO zebrafish models using CRISPR/Cas9 technology. This model can be used in RP pathophysiology studies and preclinical gene therapy experiments.
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Affiliation(s)
- Farzaneh Mirzaei
- Department of Medical Genetics and Molecular Medicine, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Atiyeh Eslahi
- Department of Medical Genetics and Molecular Medicine, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Sareh Karimi
- Department of Anatomy and Cell Biology, School of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Farzaneh Alizadeh
- Department of Medical Genetics and Molecular Medicine, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Arash Salmaninejad
- Regenerative Medicine, Organ Procurement and Transplantation Multi-Disciplinary Center, Razi Hospital, School of Medicine, Guilan University of Medical Sciences, Rasht, Iran
| | - Mohammad Rezaei
- Department of Stem Cells and Developmental Biology, Cell Science Research Center, Royan Institute for Stem Cell Biology and Technology, ACECR, Tehran, Iran
| | - Sina Mozaffari
- Department of Medical Genetics and Molecular Medicine, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Tayebeh Hamzehloei
- Department of Medical Genetics and Molecular Medicine, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Alireza Pasdar
- Department of Medical Genetics and Molecular Medicine, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran
| | - Majid Mojarrad
- Department of Medical Genetics and Molecular Medicine, Faculty of Medicine, Mashhad University of Medical Sciences, Mashhad, Iran.
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129
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Nadi R, Juan-Vicente L, Mateo-Bonmatí E, Micol JL. The unequal functional redundancy of Arabidopsis INCURVATA11 and CUPULIFORMIS2 is not dependent on genetic background. FRONTIERS IN PLANT SCIENCE 2023; 14:1239093. [PMID: 38034561 PMCID: PMC10684699 DOI: 10.3389/fpls.2023.1239093] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 06/12/2023] [Accepted: 10/26/2023] [Indexed: 12/02/2023]
Abstract
The paralogous genes INCURVATA11 (ICU11) and CUPULIFORMIS2 (CP2) encode components of the epigenetic machinery in Arabidopsis and belong to the 2-oxoglutarate and Fe (II)-dependent dioxygenase superfamily. We previously inferred unequal functional redundancy between ICU11 and CP2 from a study of the synergistic phenotypes of the double mutant and sesquimutant combinations of icu11 and cp2 mutations, although they represented mixed genetic backgrounds. To avoid potential confounding effects arising from different genetic backgrounds, we generated the icu11-5 and icu11-6 mutants via CRISPR/Cas genome editing in the Col-0 background and crossed them to cp2 mutants in Col-0. The resulting mutants exhibited a postembryonic-lethal phenotype reminiscent of strong embryonic flower (emf) mutants. Double mutants involving icu11-5 and mutations affecting epigenetic machinery components displayed synergistic phenotypes, whereas cp2-3 did not besides icu11-5. Our results confirmed the unequal functional redundancy between ICU11 and CP2 and demonstrated that it is not allele or genetic background specific. An increase in sucrose content in the culture medium partially rescued the post-germinative lethality of icu11 cp2 double mutants and sesquimutants, facilitating the study of their morphological phenotypes throughout their life cycle, which include floral organ homeotic transformations. We thus established that the ICU11-CP2 module is required for proper flower organ identity.
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Affiliation(s)
| | | | | | - José Luis Micol
- Instituto de Bioingeniería, Universidad Miguel Hernández, Elche, Spain
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130
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Sahu S, Poplawska M, Lim SH, Dutta D. CRISPR-based precision medicine for hematologic disorders: Advancements, challenges, and prospects. Life Sci 2023; 333:122165. [PMID: 37832631 DOI: 10.1016/j.lfs.2023.122165] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2023] [Revised: 10/04/2023] [Accepted: 10/07/2023] [Indexed: 10/15/2023]
Abstract
The development of programmable nucleases to introduce defined alterations in genomic sequences has been a powerful tool for precision medicine. While several nucleases such as zinc-finger nucleases (ZFN), transcriptor activator-like effector nucleases (TALEN), and meganucleases have been explored, the advent of CRISPR/Cas9 technology has revolutionized the field of genome engineering. In addition to disease modeling, the CRISPR/Cas9 technology has contributed to safer and more effective treatment strategies for hematologic diseases and personalized T-cell-based therapies. Here we discuss the applications of the CRISPR technology in the treatment of hematologic diseases, their efficacy, and ongoing clinical trials. We examine the obstacles to their successful use and the approaches investigated to overcome these challenges. Finally, we provide our perspectives to improve this genome editing tool for targeted therapies.
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Affiliation(s)
- Sounak Sahu
- Mouse Cancer Genetics Program, Center for Cancer Research, National Cancer Institute, 1050 Boyles Street, Building 560, Room 32-04, Frederick, MD 21702, USA.
| | - Maria Poplawska
- Department of Medicine (Division of Hematology and Oncology), State University of New York Downstate Health Sciences University, Brooklyn, NY 11203, USA
| | - Seah H Lim
- Department of Medicine (Division of Hematology and Oncology), State University of New York Upstate Medical University, 750 E Adams, Syracuse, NY 13210, USA
| | - Dibyendu Dutta
- Department of Medicine (Division of Hematology and Oncology), State University of New York Upstate Medical University, 750 E Adams, Syracuse, NY 13210, USA.
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131
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Chen C, Wang Z, Qin Y. CRISPR/Cas9 system: recent applications in immuno-oncology and cancer immunotherapy. Exp Hematol Oncol 2023; 12:95. [PMID: 37964355 PMCID: PMC10647168 DOI: 10.1186/s40164-023-00457-4] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/01/2023] [Accepted: 11/08/2023] [Indexed: 11/16/2023] Open
Abstract
Clustered regulatory interspaced short palindromic repeats (CRISPR)/CRISPR-associated protein 9 (Cas9) is essentially an adaptive immunity weapon in prokaryotes against foreign DNA. This system inspires the development of genome-editing technology in eukaryotes. In biomedicine research, CRISPR has offered a powerful platform to establish tumor-bearing models and screen potential targets in the immuno-oncology field, broadening our insights into cancer genomics. In translational medicine, the versatile CRISPR/Cas9 system exhibits immense potential to break the current limitations of cancer immunotherapy, thereby expanding the feasibility of adoptive cell therapy (ACT) in treating solid tumors. Herein, we first explain the principles of CRISPR/Cas9 genome editing technology and introduce CRISPR as a tool in tumor modeling. We next focus on the CRISPR screening for target discovery that reveals tumorigenesis, immune evasion, and drug resistance mechanisms. Moreover, we discuss the recent breakthroughs of genetically modified ACT using CRISPR/Cas9. Finally, we present potential challenges and perspectives in basic research and clinical translation of CRISPR/Cas9. This review provides a comprehensive overview of CRISPR/Cas9 applications that advance our insights into tumor-immune interaction and lay the foundation to optimize cancer immunotherapy.
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Affiliation(s)
- Chen Chen
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Zehua Wang
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China
| | - Yanru Qin
- Department of Oncology, The First Affiliated Hospital of Zhengzhou University, Zhengzhou, China.
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132
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Zhao F, Ding X, Liu Z, Yan X, Chen Y, Jiang Y, Chen S, Wang Y, Kang T, Xie C, He M, Zheng J. Application of CRISPR/Cas9-based genome editing in ecotoxicology. ENVIRONMENTAL POLLUTION (BARKING, ESSEX : 1987) 2023; 336:122458. [PMID: 37633433 DOI: 10.1016/j.envpol.2023.122458] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 05/31/2023] [Revised: 08/22/2023] [Accepted: 08/23/2023] [Indexed: 08/28/2023]
Abstract
Chemicals are widely used and released into the environment, and their degradation, accumulation, migration, and transformation processes in the environment can pose a threat to the ecosystem. The advancement in analytical methods with high-throughput screening of biomolecules has revolutionized the way toxicologists used to explore the effects of chemicals on organisms. CRISPR/Cas is a newly developed tool, widely used in the exploration of basic science and biologically engineered products given its high efficiency and low cost. For example, it can edit target genes efficiently, and save loss of the crop yield caused by environmental pollution as well as gain a better understanding of the toxicity mechanisms from various chemicals. This review briefly introduces the development history of CRISPR/Cas and summarizes the current application of CRISPR/Cas in ecotoxicology, including its application on improving crop yield and drug resistance towards agricultural pollution, antibiotic pollution and other threats. The benefits by applying the CRISPR/Cas9 system in conventional toxicity mechanism studies are fully demonstrated here together with its foreseeable expansions in other area of ecotoxicology. Finally, the prospects and disadvantages of CRISPR/Cas system in the field of ecotoxicology are also discussed.
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Affiliation(s)
- Fang Zhao
- Scientific Research Center, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, China; State Environmental Protection Key laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences. Ministry of Environmental Protection, Guangzhou, China; School of Public Health, Guizhou Medical University, Guizhou, China
| | - Xiaofan Ding
- Faculty of Health Sciences, University of Macau, Taipa, Macao SAR, China
| | - Zimeng Liu
- Scientific Research Center, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
| | - Xiao Yan
- State Environmental Protection Key laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences. Ministry of Environmental Protection, Guangzhou, China
| | - Yanzhen Chen
- Faculty of Health Sciences, University of Macau, Taipa, Macao SAR, China
| | - Yaxin Jiang
- Scientific Research Center, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
| | - Shunjie Chen
- Scientific Research Center, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
| | - Yuanfang Wang
- Scientific Research Center, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
| | - Tingting Kang
- Scientific Research Center, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, China
| | - Chun Xie
- School of Public Health, Guizhou Medical University, Guizhou, China
| | - Mian He
- Scientific Research Center, The Seventh Affiliated Hospital of Sun Yat-sen University, Shenzhen, China.
| | - Jing Zheng
- State Environmental Protection Key laboratory of Environmental Pollution Health Risk Assessment, South China Institute of Environmental Sciences. Ministry of Environmental Protection, Guangzhou, China
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133
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Velvizhi G, Jacqueline PJ, Shetti NP, K L, Mohanakrishna G, Aminabhavi TM. Emerging trends and advances in valorization of lignocellulosic biomass to biofuels. JOURNAL OF ENVIRONMENTAL MANAGEMENT 2023; 345:118527. [PMID: 37429092 DOI: 10.1016/j.jenvman.2023.118527] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/20/2023] [Revised: 06/25/2023] [Accepted: 06/25/2023] [Indexed: 07/12/2023]
Abstract
Sustainable technologies pave the way to address future energy demand by converting lignocellulosic biomass into fuels, carbon-neutral materials, and chemicals which might replace fossil fuels. Thermochemical and biochemical technologies are conventional methods that convert biomass into value-added products. To enhance biofuel production, the existing technologies should be upgraded using advanced processes. In this regard, the present review explores the advanced technologies of thermochemical processes such as plasma technology, hydrothermal treatment, microwave-based processing, microbial-catalyzed electrochemical systems, etc. Advanced biochemical technologies such as synthetic metabolic engineering and genomic engineering have led to the development of an effective strategy to produce biofuels. The microwave-plasma-based technique increases the biofuel conversion efficiency by 97% and the genetic engineering strains increase the sugar production by 40%, inferring that the advanced technologies enhances the efficiency. So understanding these processes leads to low-carbon technologies which can solve the global issues on energy security, the greenhouse gases emission, and global warming.
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Affiliation(s)
- G Velvizhi
- CO(2) Research and Green Technology Centre, Vellore Institute of Technology (VIT), Vellore, 632 014, Tamil Nadu, India.
| | - P Jennita Jacqueline
- CO(2) Research and Green Technology Centre, Vellore Institute of Technology (VIT), Vellore, 632 014, Tamil Nadu, India; School of Chemical Engineering, Vellore Institute of Technology (VIT), Vellore, 632 014, Tamil Nadu, India
| | - Nagaraj P Shetti
- Center for Energy and Environment, School of Advanced Sciences, KLE Technological University, Hubballi, 580 031, Karnataka, India
| | - Latha K
- Department of Mathematics, Easwari Engineering College, Chennai, 600 089, Tamil Nadu, India
| | - Gunda Mohanakrishna
- Center for Energy and Environment, School of Advanced Sciences, KLE Technological University, Hubballi, 580 031, Karnataka, India
| | - Tejraj M Aminabhavi
- Center for Energy and Environment, School of Advanced Sciences, KLE Technological University, Hubballi, 580 031, Karnataka, India; School of Engineering, UPES, Bidholi, Dehradun, Uttarakhand 248 007, India.
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Godbole N, Quinn A, Carrion F, Pelosi E, Salomon C. Extracellular vesicles as a potential delivery platform for CRISPR-Cas based therapy in epithelial ovarian cancer. Semin Cancer Biol 2023; 96:64-81. [PMID: 37820858 DOI: 10.1016/j.semcancer.2023.10.002] [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: 05/15/2023] [Revised: 08/27/2023] [Accepted: 10/03/2023] [Indexed: 10/13/2023]
Abstract
Ovarian Cancer (OC) is the most common gynecological malignancy and the eighth most diagnosed cancer in females worldwide. Presently, it ranks as the fifth leading cause of cancer-related mortality among patients globally. Major factors contributing to the lethality of OC worldwide include delayed diagnosis, chemotherapy resistance, high metastatic rates, and the heterogeneity of subtypes. Despite continuous efforts to develop novel targeted therapies and chemotherapeutic agents, challenges persist in the form of OC resistance and recurrence. In the last decade, CRISPR-Cas-based genome editing has emerged as a powerful tool for modifying genetic and epigenetic mechanisms, holding potential for treating numerous diseases. However, a significant challenge for therapeutic applications of CRISPR-Cas technology is the absence of an optimal vehicle for delivering CRISPR molecular machinery into targeted cells or tissues. Recently, extracellular vesicles (EVs) have gained traction as potential delivery vehicles for various therapeutic agents. These heterogeneous, membrane-derived vesicles are released by nearly all cells into extracellular spaces. They carry a molecular cargo of proteins and nucleic acids within their intraluminal space, encased by a cholesterol-rich phospholipid bilayer membrane. EVs actively engage in cell-to-cell communication by delivering cargo to both neighboring and distant cells. Their inherent ability to shield molecular cargo from degradation and cross biological barriers positions them ideally for delivering CRISPR-Cas ribonucleoproteins (RNP) to target cells. Furthermore, they exhibit higher biocompatibility, lower immunogenicity, and reduced toxicity compared to classical delivery platforms such as adeno-associated virus, lentiviruses, and synthetic nanoparticles. This review explores the potential of employing different CRISPR-Cas systems to target specific genes in OC, while also discussing various methods for engineering EVs to load CRISPR components and enhance their targeting capabilities.
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Affiliation(s)
- Nihar Godbole
- Translational Extracellular Vesicles in Obstetrics and Gynae-Oncology Group, UQ Centre for Clinical Research, Royal Brisbane and Women's Hospital, Faculty of Medicine, The University of Queensland, Australia
| | - Alexander Quinn
- Centre for Clinical Research, The University of Queensland, Brisbane, QLD, Australia; CSIRO Agriculture and Food, Queensland Bioscience Precinct, Brisbane, QLD, Australia
| | - Flavio Carrion
- Departamento de Investigación, Postgrado y Educación Continua (DIPEC), Facultad de Ciencias de la Salud, Universidad del Alba, Santiago, Chile
| | - Emanuele Pelosi
- Centre for Clinical Research, The University of Queensland, Brisbane, QLD, Australia; Institute for Molecular Bioscience, The University of Queensland, Brisbane, QLD, Australia
| | - Carlos Salomon
- Translational Extracellular Vesicles in Obstetrics and Gynae-Oncology Group, UQ Centre for Clinical Research, Royal Brisbane and Women's Hospital, Faculty of Medicine, The University of Queensland, Australia; Departamento de Investigación, Postgrado y Educación Continua (DIPEC), Facultad de Ciencias de la Salud, Universidad del Alba, Santiago, Chile.
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135
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Krishna TA, Maharajan T, Krishna TA, Ceasar SA. Insights into Metabolic Engineering of Bioactive Molecules in Tetrastigma hemsleyanum Diels & Gilg: A Traditional Medicinal Herb. Curr Genomics 2023; 24:72-83. [PMID: 37994327 PMCID: PMC10662378 DOI: 10.2174/0113892029251472230921053135] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/06/2023] [Revised: 06/17/2023] [Accepted: 08/20/2023] [Indexed: 11/24/2023] Open
Abstract
Plants are a vital source of bioactive molecules for various drug development processes. Tetrastigma hemsleyanum is one of the endangered medicinal plant species well known to the world due to its wide range of therapeutic effects. Many bioactive molecules have been identified from this plant, including many classes of secondary metabolites such as flavonoids, phenols, terpenoids, steroids, alkaloids, etc. Due to its slow growth, it usually takes 3-5 years to meet commercial medicinal materials for this plant. Also, T. hemsleyanum contains low amounts of specific bioactive compounds, which are challenging to isolate easily. Currently, scientists are attempting to increase bioactive molecules' production from medicinal plants in different ways or to synthesize them chemically. The genomic tools helped to understand medicinal plants' genome organization and led to manipulating genes responsible for various biosynthesis pathways. Metabolic engineering has made it possible to enhance the production of secondary metabolites by introducing manipulated biosynthetic pathways to attain high levels of desirable bioactive molecules. Metabolic engineering is a promising approach for improving the production of secondary metabolites over a short time period. In this review, we have highlighted the scope of various biotechnological approaches for metabolic engineering to enhance the production of secondary metabolites for pharmaceutical applications in T. hemsleyanum. Also, we summarized the progress made in metabolic engineering for bioactive molecule enhancement in T. hemsleyanum. It may lead to reducing the destruction of the natural habitat of T. hemsleyanum and conserving them through the cost-effective production of bioactive molecules in the future.
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Affiliation(s)
- T.P. Ajeesh Krishna
- Division of Plant Molecular Biology and Biotechnology, Department of Biosciences, Rajagiri College of Social Sciences, Kochi, 683104, Kerala, India
| | - T. Maharajan
- Division of Plant Molecular Biology and Biotechnology, Department of Biosciences, Rajagiri College of Social Sciences, Kochi, 683104, Kerala, India
| | - T.P. Adarsh Krishna
- Research & Development Division, Sreedhareeyam Farmherbs India Pvt. Ltd, Ernakulam, 686-662, Kerala, India
| | - S. Antony Ceasar
- Division of Plant Molecular Biology and Biotechnology, Department of Biosciences, Rajagiri College of Social Sciences, Kochi, 683104, Kerala, India
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136
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Dhokane D, Shaikh A, Yadav A, Giri N, Bandyopadhyay A, Dasgupta S, Bhadra B. CRISPR-based bioengineering in microalgae for production of industrially important biomolecules. Front Bioeng Biotechnol 2023; 11:1267826. [PMID: 37965048 PMCID: PMC10641005 DOI: 10.3389/fbioe.2023.1267826] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/27/2023] [Accepted: 10/11/2023] [Indexed: 11/16/2023] Open
Abstract
Microalgae, as photosynthetic organisms, have the potential to produce biomolecules for use in food, feed, cosmetics, nutraceuticals, fuel, and other applications. Faster growth rates and higher protein and lipid content make microalgae a popular chassis for many industrial applications. However, challenges such as low productivity and high production costs have limited their commercialization. To overcome these challenges, bioengineering approaches such as genetic engineering, metabolic engineering, and synthetic biology have been employed to improve the productivity and quality of microalgae-based products. Genetic engineering employing genome editing tools like CRISPR/Cas allows precise and targeted genetic modifications. CRISPR/Cas systems are presently used to modify the genetic makeup of microalgae for enhanced production of specific biomolecules. However, these tools are yet to be explored explicitly in microalgae owing to some limitations. Despite the progress made in CRISPR-based bioengineering approaches, there is still a need for further research to optimize the production of microalgae-based products. This includes improving the efficiency of genome editing tools, understanding the regulatory mechanisms of microalgal metabolism, and optimizing growth conditions and cultivation strategies. Additionally, addressing the ethical, social, and environmental concerns associated with genetic modification of microalgae is crucial for the responsible development and commercialization of microalgae-based products. This review summarizes the advancements of CRISPR-based bioengineering for production of industrially important biomolecules and provides key considerations to use CRISPR/Cas systems in microalgae. The review will help researchers to understand the progress and to initiate genome editing experiments in microalgae.
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Affiliation(s)
| | | | | | | | | | | | - Bhaskar Bhadra
- Synthetic Biology Group, Reliance Industries Ltd., Navi Mumbai, India
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137
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Sarker PK, Paul AS, Karmoker D. Mitigating climate change and pandemic impacts on global food security: dual sustainable agriculture approach (2S approach). PLANTA 2023; 258:104. [PMID: 37878120 DOI: 10.1007/s00425-023-04257-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/30/2023] [Accepted: 10/01/2023] [Indexed: 10/26/2023]
Abstract
MAIN CONCLUSION Simultaneous application of two sustainability approaches such as the application of biofertilizers to GM plants and microbe bioengineering to enhance physiological response and beneficial interaction with GM plants may have a significant impact on strengthening global food security amid climate change and the pandemic. The second sustainable development goal (SDG 02, Zero Hunger) aims global agricultural sustainability and food security challenges. The agriculture sector has been an integral part of developing countries for millions of farmers and their families. Their contribution provides stability of raw matter related to food availability. But climate change, higher population growth and worldwide pandemics are the main obstacles to food quality, higher crop productivity and global food security. Scientists are concerned with the manifestation of agriculture sustainability in the modern crop management approach to resolving the issues. It is the only way to higher yield productivity by protecting the environment, conserving natural resources, and slowing climate change. Several strategies can be an option to implement, yet the proposed two sustainability approach or 2S approach will be the significant way toward the goal of zero hunger. The first sustainability approach is an application of genetically modified (S1: GMO) Plants and the other is an application of beneficiary plant growth-promoting microbes (S2: Biofertilizers) to the plants for both higher crops and maintenance of the environment. This study summarizes the essential points of S1 and S2 for the widespread utilization of the 2S approach in agriculture and recommends the potential alternatives to be implemented to produce food for all. Simultaneous application of the 2S approach can defeat all threats to gain sustainability in agriculture.
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Affiliation(s)
- Protup Kumer Sarker
- Division of Cell Biology, International Center for Brain Science, Fujita Health University, Toyoake, 470-1192, Japan.
- Department of Biochemistry and Molecular Biology, University of Dhaka, Dhaka-1000, Dhaka, Bangladesh.
| | - Archi Sundar Paul
- Department of Biochemistry and Molecular Biology, University of Dhaka, Dhaka-1000, Dhaka, Bangladesh
- Graduate School of Biomedical Sciences, Medical College of Wisconsin's, Milwaukee, WI53226, USA
| | - Dola Karmoker
- Department of Biochemistry and Molecular Biology, University of Dhaka, Dhaka-1000, Dhaka, Bangladesh
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138
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Li H, Song K, Li B, Zhang X, Wang D, Dong S, Yang L. CRISPR/Cas9 Editing Sites Identification and Multi-Elements Association Analysis in Camellia sinensis. Int J Mol Sci 2023; 24:15317. [PMID: 37894996 PMCID: PMC10607008 DOI: 10.3390/ijms242015317] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/31/2023] [Revised: 10/02/2023] [Accepted: 10/17/2023] [Indexed: 10/29/2023] Open
Abstract
CRISPR/Cas9 is an efficient genome-editing tool, and the identification of editing sites and potential influences in the Camellia sinensis genome have not been investigated. In this study, bioinformatics methods were used to characterise the Camellia sinensis genome including editing sites, simple sequence repeats (SSRs), G-quadruplexes (GQ), gene density, and their relationships. A total of 248,134,838 potential editing sites were identified in the genome, and five PAM types, AGG, TGG, CGG, GGG, and NGG, were observed, of which 66,665,912 were found to be specific, and they were present in all structural elements of the genes. The characteristic region of high GC content, GQ density, and PAM density in contrast to low gene density and SSR density was identified in the chromosomes in the joint analysis, and it was associated with secondary metabolites and amino acid biosynthesis pathways. CRISPR/Cas9, as a technology to drive crop improvement, with the identified editing sites and effector elements, provides valuable tools for functional studies and molecular breeding in Camellia sinensis.
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Affiliation(s)
| | | | | | | | | | | | - Long Yang
- College of Plant Protection and Agricultural Big-Data Research Center, Shandong Agricultural University, Tai’an 271018, China
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139
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Li L, Vasan L, Kartono B, Clifford K, Attarpour A, Sharma R, Mandrozos M, Kim A, Zhao W, Belotserkovsky A, Verkuyl C, Schmitt-Ulms G. Advances in Recombinant Adeno-Associated Virus Vectors for Neurodegenerative Diseases. Biomedicines 2023; 11:2725. [PMID: 37893099 PMCID: PMC10603849 DOI: 10.3390/biomedicines11102725] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/08/2023] [Revised: 09/29/2023] [Accepted: 10/03/2023] [Indexed: 10/29/2023] Open
Abstract
Recombinant adeno-associated virus (rAAV) vectors are gene therapy delivery tools that offer a promising platform for the treatment of neurodegenerative diseases. Keeping up with developments in this fast-moving area of research is a challenge. This review was thus written with the intention to introduce this field of study to those who are new to it and direct others who are struggling to stay abreast of the literature towards notable recent studies. In ten sections, we briefly highlight early milestones within this field and its first clinical success stories. We showcase current clinical trials, which focus on gene replacement, gene augmentation, or gene suppression strategies. Next, we discuss ongoing efforts to improve the tropism of rAAV vectors for brain applications and introduce pre-clinical research directed toward harnessing rAAV vectors for gene editing applications. Subsequently, we present common genetic elements coded by the single-stranded DNA of rAAV vectors, their so-called payloads. Our focus is on recent advances that are bound to increase treatment efficacies. As needed, we included studies outside the neurodegenerative disease field that showcased improved pre-clinical designs of all-in-one rAAV vectors for gene editing applications. Finally, we discuss risks associated with off-target effects and inadvertent immunogenicity that these technologies harbor as well as the mitigation strategies available to date to make their application safer.
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Affiliation(s)
- Leyao Li
- Department of Biochemistry, University of Toronto, Medical Sciences Building, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
- Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, Krembil Discovery Centre, 6th Floor, 60 Leonard Avenue, Toronto, ON M5T 0S8, Canada
| | - Lakshmy Vasan
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Medical Sciences Building, 6th Floor, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
| | - Bryan Kartono
- Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, Krembil Discovery Centre, 6th Floor, 60 Leonard Avenue, Toronto, ON M5T 0S8, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Medical Sciences Building, 6th Floor, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
| | - Kevan Clifford
- Institute of Medical Science, University of Toronto, Medical Sciences Building, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
- Centre for Addiction and Mental Health (CAMH), 250 College St., Toronto, ON M5T 1R8, Canada
| | - Ahmadreza Attarpour
- Department of Medical Biophysics, University of Toronto, 101 College St., Toronto, ON M5G 1L7, Canada
| | - Raghav Sharma
- Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, Krembil Discovery Centre, 6th Floor, 60 Leonard Avenue, Toronto, ON M5T 0S8, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Medical Sciences Building, 6th Floor, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
| | - Matthew Mandrozos
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Medical Sciences Building, 6th Floor, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
| | - Ain Kim
- Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, Krembil Discovery Centre, 6th Floor, 60 Leonard Avenue, Toronto, ON M5T 0S8, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Medical Sciences Building, 6th Floor, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
| | - Wenda Zhao
- Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, Krembil Discovery Centre, 6th Floor, 60 Leonard Avenue, Toronto, ON M5T 0S8, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Medical Sciences Building, 6th Floor, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
| | - Ari Belotserkovsky
- Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, Krembil Discovery Centre, 6th Floor, 60 Leonard Avenue, Toronto, ON M5T 0S8, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Medical Sciences Building, 6th Floor, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
| | - Claire Verkuyl
- Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, Krembil Discovery Centre, 6th Floor, 60 Leonard Avenue, Toronto, ON M5T 0S8, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Medical Sciences Building, 6th Floor, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
| | - Gerold Schmitt-Ulms
- Tanz Centre for Research in Neurodegenerative Diseases, University of Toronto, Krembil Discovery Centre, 6th Floor, 60 Leonard Avenue, Toronto, ON M5T 0S8, Canada
- Department of Laboratory Medicine and Pathobiology, University of Toronto, Medical Sciences Building, 6th Floor, 1 King’s College Circle, Toronto, ON M5S 1A8, Canada
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140
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Alavijeh NS, Serrano A, Peters MS, Wölper C, Schrader T. Design and Synthesis of Artificial Nucleobases for Sequence-Selective DNA Recognition within the Major Groove. Chem Asian J 2023; 18:e202300637. [PMID: 37616375 DOI: 10.1002/asia.202300637] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/21/2023] [Accepted: 08/23/2023] [Indexed: 08/26/2023]
Abstract
We present the design and synthesis of artificial specific nucleobases, each one recognizing a single base pair within the major groove of duplex DNA. Computational calculations indicate that PNAs modified with these nucleobases enable the formation of highly stable triple helices with no sequence restrictions through multiple hydrogen bonding and π⋅⋅⋅π stacking interactions, without significantly widening the DNA double helix. New synthetic routes were developed to the structures of these fused heterocycles which have rarely been described in the literature. NMR titration experiments indicate specific hydrogen bonding at the Hoogsteen sites. The new building blocks allow the construction of four PNA monomers for each canonic base pair and their covalent connection to PNA oligomers. These can be designed complementary to any given DNA sequence. With high efficiency and relative simplicity of operation, the described methodologies and strategies hence form the basis for a new supramolecular ligand system targeting double-stranded DNA without strand invasion.
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Affiliation(s)
- Nahid S Alavijeh
- Department of Chemistry, University of Duisburg-Essen, Universitätsstrasse 7, 45117, Essen, Germany
| | - Alvaro Serrano
- Department of Chemistry, University of Duisburg-Essen, Universitätsstrasse 7, 45117, Essen, Germany
| | - Max S Peters
- Department of Chemistry, University of Duisburg-Essen, Universitätsstrasse 7, 45117, Essen, Germany
| | - Christoph Wölper
- Department of Chemistry, University of Duisburg-Essen, Universitätsstrasse 7, 45117, Essen, Germany
| | - Thomas Schrader
- Department of Chemistry, University of Duisburg-Essen, Universitätsstrasse 7, 45117, Essen, Germany
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141
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Ma J, Zhang P, Zheng M, Wang B, Gao P, Qu L, Zheng F. A strain of Vibrio alginolyticus isolated from Azumapecten farreri and its pathogenic mechanism using CRISPR-Cas9 technology. Biotechnol Lett 2023; 45:1279-1291. [PMID: 37505340 DOI: 10.1007/s10529-023-03394-8] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/27/2022] [Revised: 04/26/2023] [Accepted: 04/30/2023] [Indexed: 07/29/2023]
Abstract
Scallops have become an important aquaculture species in China because they contain high-quality protein, and scallops are important health food that combines multiple effects and high economic benefits. However, scallop aquaculture is perennially threatened by various pathogenic Vibrio species, leading to great economic losses. We obtained a strain of pathogenic bacteria, identified as Vibrio alginolyticus, from the diseased Azumapecten farreri in the scallop farming area of Huangdao District in 2018, and V. alginolyticus is one of the major shellfish pathogens. We showed that V. alginolyticus was isolated and identified as a pathogen in A. farreri for the first time. In this study, we evaluated its morphology and performed a phylogenetic analysis based on 16S rRNA gene sequencing. In addition, we performed a preliminary analysis of its pathogenic mechanisms. The Hfq protein in V. alginolyticus is an important RNA-binding protein in the quorum-sensing system that not only affects the sensitivity of Vibrio to environmental stress but also regulates a variety of functions, such as cell membrane formation, motility, and virulence towards the host. However, its effect on the pathogenesis of V. alginolyticus to A. farreri is unclear. To further investigate the pathogenic mechanism of the Hfq protein in V. alginolyticus to A. farreri, we used the CRISPR-Cas9 system to target and deplete the hfq gene fragment in V. alginolyticus and obtained the mutant strain V. ΔHfq-. We found that the peripheral flagellum of the mutant strain was lost, which reduced the motility of V. alginolyticus. Therefore, the deletion of target genes by the CRISPR/Cas9 genome editing system confirmed that the Hfq protein played a key role in reducing the ability of V. alginolyticus to infect A. farreri. In conclusion, our current findings provided valuable insights into the healthy culture of scallops.
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Affiliation(s)
- Jingxue Ma
- First Institute of Oceanography MNR, Qingdao, People's Republic of China
- Key Laboratory of Science of Engineering for Marine Ecology and Environment, The First Institute of Oceanography, Ministry of Natural Resources, Qingdao, People's Republic of China
- Laboratory of Marine Ecology and Environmental Science, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, People's Republic of China
- Qingdao University, Qingdao, People's Republic of China
| | - Peiyu Zhang
- Qingdao University, Qingdao, People's Republic of China
| | - Minggang Zheng
- First Institute of Oceanography MNR, Qingdao, People's Republic of China
- Key Laboratory of Science of Engineering for Marine Ecology and Environment, The First Institute of Oceanography, Ministry of Natural Resources, Qingdao, People's Republic of China
- Laboratory of Marine Ecology and Environmental Science, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, People's Republic of China
| | - Bo Wang
- First Institute of Oceanography MNR, Qingdao, People's Republic of China
- Key Laboratory of Science of Engineering for Marine Ecology and Environment, The First Institute of Oceanography, Ministry of Natural Resources, Qingdao, People's Republic of China
- Laboratory of Marine Ecology and Environmental Science, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, People's Republic of China
| | - Ping Gao
- First Institute of Oceanography MNR, Qingdao, People's Republic of China
- Key Laboratory of Science of Engineering for Marine Ecology and Environment, The First Institute of Oceanography, Ministry of Natural Resources, Qingdao, People's Republic of China
- Laboratory of Marine Ecology and Environmental Science, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, People's Republic of China
| | - Lingyun Qu
- First Institute of Oceanography MNR, Qingdao, People's Republic of China
- Key Laboratory of Science of Engineering for Marine Ecology and Environment, The First Institute of Oceanography, Ministry of Natural Resources, Qingdao, People's Republic of China
- Laboratory of Marine Ecology and Environmental Science, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, People's Republic of China
| | - Fengrong Zheng
- First Institute of Oceanography MNR, Qingdao, People's Republic of China.
- Key Laboratory of Science of Engineering for Marine Ecology and Environment, The First Institute of Oceanography, Ministry of Natural Resources, Qingdao, People's Republic of China.
- Laboratory of Marine Ecology and Environmental Science, Pilot National Laboratory for Marine Science and Technology (Qingdao), Qingdao, People's Republic of China.
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142
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Baghini SS, Razeghian E, Malayer SK, Pecho RDC, Obaid M, Awfi ZS, Zainab HA, Shamsara M. Recent advances in the application of genetic and epigenetic modalities in the improvement of antibody-producing cell lines. Int Immunopharmacol 2023; 123:110724. [PMID: 37582312 DOI: 10.1016/j.intimp.2023.110724] [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: 01/31/2023] [Revised: 07/25/2023] [Accepted: 07/26/2023] [Indexed: 08/17/2023]
Abstract
There are numerous applications for recombinant antibodies (rAbs) in biological and toxicological research. Monoclonal antibodies are synthesized using genetic engineering and other related processes involved in the generation of rAbs. Because they can identify specific antigenic sites on practically any molecule, including medicines, hormones, microbial antigens, and cell receptors, rAbs are particularly useful in scientific research. The key benefits of rAbs are improved repeatability, control, and consistency, shorter manufacturing times than with hybridoma technology, an easier transition from one format of antibody to another, and an animal-free process. The engineering of the host cell has recently been developed method for enhancing the production efficiency and improving the quality of antibodies from mammalian cell lines. In this light, genetic engineering is mostly utilized to manage cellular chaperones, decrease cell death, increase cell viability, change the microRNAs (miRNAs) pattern in mammalian cells, and glycoengineered cell lines. Here, we shed light on how genetic engineering can be used therapeutically to produce antibodies at higher levels with greater potency and effectiveness.
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Affiliation(s)
- Sadegh Shojaei Baghini
- Plant Biotechnology Department, National Institute of Genetic Engineering and Biotechnology (NIGEB), Tehran, Iran.
| | - Ehsan Razeghian
- Human Genetics Division, Medical Biotechnology Department, National Institute of Genetics Engineering and Biotechnology (NIGEB), Tehran, Iran
| | - Setare Kakavand Malayer
- Department of Biology, Faculty of Biological Science, Tehran North Branch, Islamic Azad University, Tehran, Iran
| | | | | | - Zinah Salem Awfi
- Department of Dental Industry Techniques, Al-Noor University College, Nineveh, Iraq.
| | - H A Zainab
- Department of Pharmacy, Al-Zahrawi University College, Karbala, Iraq.
| | - Mehdi Shamsara
- Department of Animal Biotechnology, National Institute of Genetic Engineering and Biotechnology, Tehran, Iran.
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143
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Dhingra H, Gaidhane SA. Huntington's Disease: Understanding Its Novel Drugs and Treatments. Cureus 2023; 15:e47526. [PMID: 38021751 PMCID: PMC10664735 DOI: 10.7759/cureus.47526] [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: 08/21/2023] [Accepted: 10/23/2023] [Indexed: 12/01/2023] Open
Abstract
An inherited neurodegenerative ailment called Huntington's disease (HD) of gradual physical impairment, cognitive decline, and psychiatric symptoms. It is brought on by a mutation of the HTT gene, which causes aberrant huntingtin protein buildup in neurons. This predominantly affects the striatum and cerebral cortex, where neuronal malfunction and eventual cell death follow. The quality index of life for both patients and their families is significantly impacted when symptoms first appear in mid-adulthood. An overview of the available therapies for HD is given in this article. Although HD has no known treatment options, there are several that try to lessen symptoms and reduce the disease's development. By lowering involuntary movements, pharmaceutical treatments like tetrabenazine and deutetrabenazine focus on motor symptoms. Antidepressants and antipsychotic medicines are also used to manage the mental and cognitive symptoms of HD. The investigation of prospective gene-based medicines is a result of research into disease-modifying medications. Reduced synthesis of mutant huntingtin protein is the goal of RNA interference (RNAi) strategies, which may halt the course of illness. Additionally, continuing research into Clustered Regularly Interspaced Short Palindromic Repeats and CRISPR-associated protein 9 (CRISPR-Cas9) and other gene editing methods shows promise for reversing the genetic mutation that causes HD. Individuals with HD can benefit from non-pharmacological therapies such as physical therapy, speech therapy, and occupational therapy to increase their functional abilities and general well-being. Supportive treatment, psychiatric therapy, and caregiver support groups are also essential in addressing the difficult problems the illness presents. In conclusion, tremendous progress is being made in the domain of HD treatment, with an emphasis on symptom control, disease modification, and prospective gene-based therapeutics. Even though there has been significant improvement, more study is still required to provide better therapies and ultimately discover a solution for this debilitating condition.
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Affiliation(s)
- Hitaansh Dhingra
- Medicine, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
| | - Shilpa A Gaidhane
- Medicine, Jawaharlal Nehru Medical College, Datta Meghe Institute of Higher Education and Research, Wardha, IND
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144
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Harish RK, Gupta M, Zöller D, Hartmann H, Gheisari A, Machate A, Hans S, Brand M. Real-time monitoring of an endogenous Fgf8a gradient attests to its role as a morphogen during zebrafish gastrulation. Development 2023; 150:dev201559. [PMID: 37665167 PMCID: PMC10565248 DOI: 10.1242/dev.201559] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/04/2023] [Accepted: 08/29/2023] [Indexed: 09/05/2023]
Abstract
Morphogen gradients impart positional information to cells in a homogenous tissue field. Fgf8a, a highly conserved growth factor, has been proposed to act as a morphogen during zebrafish gastrulation. However, technical limitations have so far prevented direct visualization of the endogenous Fgf8a gradient and confirmation of its morphogenic activity. Here, we monitor Fgf8a propagation in the developing neural plate using a CRISPR/Cas9-mediated EGFP knock-in at the endogenous fgf8a locus. By combining sensitive imaging with single-molecule fluorescence correlation spectroscopy, we demonstrate that Fgf8a, which is produced at the embryonic margin, propagates by diffusion through the extracellular space and forms a graded distribution towards the animal pole. Overlaying the Fgf8a gradient curve with expression profiles of its downstream targets determines the precise input-output relationship of Fgf8a-mediated patterning. Manipulation of the extracellular Fgf8a levels alters the signaling outcome, thus establishing Fgf8a as a bona fide morphogen during zebrafish gastrulation. Furthermore, by hindering Fgf8a diffusion, we demonstrate that extracellular diffusion of the protein from the source is crucial for it to achieve its morphogenic potential.
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Affiliation(s)
- Rohit Krishnan Harish
- CRTD – Center for Regenerative Therapies TU Dresden, Technische Universität Dresden, Fetscherstraße 105, 01307 Dresden, Germany
- PoL – Cluster of Excellence Physics of Life, Technische Universität Dresden, Fetscherstraße 105, 01307 Dresden, Germany
| | - Mansi Gupta
- CRTD – Center for Regenerative Therapies TU Dresden, Technische Universität Dresden, Fetscherstraße 105, 01307 Dresden, Germany
- PoL – Cluster of Excellence Physics of Life, Technische Universität Dresden, Fetscherstraße 105, 01307 Dresden, Germany
| | - Daniela Zöller
- CRTD – Center for Regenerative Therapies TU Dresden, Technische Universität Dresden, Fetscherstraße 105, 01307 Dresden, Germany
- PoL – Cluster of Excellence Physics of Life, Technische Universität Dresden, Fetscherstraße 105, 01307 Dresden, Germany
| | - Hella Hartmann
- CRTD – Center for Regenerative Therapies TU Dresden, Technische Universität Dresden, Fetscherstraße 105, 01307 Dresden, Germany
- CMCB Technology Platform, Technische Universität Dresden, Tatzberg 47-51, 01307 Dresden, Germany
| | - Ali Gheisari
- CRTD – Center for Regenerative Therapies TU Dresden, Technische Universität Dresden, Fetscherstraße 105, 01307 Dresden, Germany
- CMCB Technology Platform, Technische Universität Dresden, Tatzberg 47-51, 01307 Dresden, Germany
| | - Anja Machate
- CRTD – Center for Regenerative Therapies TU Dresden, Technische Universität Dresden, Fetscherstraße 105, 01307 Dresden, Germany
- PoL – Cluster of Excellence Physics of Life, Technische Universität Dresden, Fetscherstraße 105, 01307 Dresden, Germany
| | - Stefan Hans
- CRTD – Center for Regenerative Therapies TU Dresden, Technische Universität Dresden, Fetscherstraße 105, 01307 Dresden, Germany
- PoL – Cluster of Excellence Physics of Life, Technische Universität Dresden, Fetscherstraße 105, 01307 Dresden, Germany
| | - Michael Brand
- CRTD – Center for Regenerative Therapies TU Dresden, Technische Universität Dresden, Fetscherstraße 105, 01307 Dresden, Germany
- PoL – Cluster of Excellence Physics of Life, Technische Universität Dresden, Fetscherstraße 105, 01307 Dresden, Germany
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145
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Liu L, Helal SE, Peng N. CRISPR-Cas-Based Engineering of Probiotics. BIODESIGN RESEARCH 2023; 5:0017. [PMID: 37849462 PMCID: PMC10541000 DOI: 10.34133/bdr.0017] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/15/2023] [Accepted: 08/30/2023] [Indexed: 10/19/2023] Open
Abstract
Probiotics are the treasure of the microbiology fields. They have been widely used in the food industry, clinical treatment, and other fields. The equivocal health-promoting effects and the unknown action mechanism were the largest obstacles for further probiotic's developed applications. In recent years, various genome editing techniques have been developed and applied to explore the mechanisms and functional modifications of probiotics. As important genome editing tools, CRISPR-Cas systems that have opened new improvements in genome editing dedicated to probiotics. The high efficiency, flexibility, and specificity are the advantages of using CRISPR-Cas systems. Here, we summarize the classification and distribution of CRISPR-Cas systems in probiotics, as well as the editing tools developed on the basis of them. Then, we discuss the genome editing of probiotics based on CRISPR-Cas systems and the applications of the engineered probiotics through CRISPR-Cas systems. Finally, we proposed a design route for CRISPR systems that related to the genetically engineered probiotics.
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Affiliation(s)
- Ling Liu
- National Key Laboratory of Agricultural Microbiology, Hubei Hongshan Laboratory, College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, Hubei, China
- CABIO Biotech (Wuhan) Co. Ltd., Wuhan, China
| | - Shimaa Elsayed Helal
- National Key Laboratory of Agricultural Microbiology, Hubei Hongshan Laboratory, College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, Hubei, China
| | - Nan Peng
- National Key Laboratory of Agricultural Microbiology, Hubei Hongshan Laboratory, College of Life Science and Technology, Huazhong Agricultural University, Wuhan 430070, Hubei, China
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146
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Bottino P, Pastrone L, Curtoni A, Bondi A, Sidoti F, Zanotto E, Cavallo R, Solidoro P, Costa C. Antiviral Approach to Cytomegalovirus Infection: An Overview of Conventional and Novel Strategies. Microorganisms 2023; 11:2372. [PMID: 37894030 PMCID: PMC10608897 DOI: 10.3390/microorganisms11102372] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/28/2023] [Revised: 09/16/2023] [Accepted: 09/20/2023] [Indexed: 10/29/2023] Open
Abstract
Human cytomegalovirus (HCMV) is a herpesvirus capable of establishing a lifelong persistence in the host through a chronic state of infection and remains an essential global concern due to its distinct life cycle, mutations, and latency. It represents a life-threatening pathogen for immunocompromised patients, such as solid organ transplanted patients, HIV-positive individuals, and hematopoietic stem cell recipients. Multiple antiviral approaches are currently available and administered in order to prevent or manage viral infections in the early stages. However, limitations due to side effects and the onset of antidrug resistance are a hurdle to their efficacy, especially for long-term therapies. Novel antiviral molecules, together with innovative approaches (e.g., genetic editing and RNA interference) are currently in study, with promising results performed in vitro and in vivo. Since HCMV is a virus able to establish latent infection, with a consequential risk of reactivation, infection management could benefit from preventive treatment for critical patients, such as immunocompromised individuals and seronegative pregnant women. This review will provide an overview of conventional antiviral clinical approaches and their mechanisms of action. Additionally, an overview of proposed and developing new molecules is provided, including nucleic-acid-based therapies and immune-mediated approaches.
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Affiliation(s)
- Paolo Bottino
- Microbiology and Virology Unit, A.O.U. “Città della Salute e della Scienza di Torino”, 10126 Turin, Italy; (L.P.); (A.C.); (A.B.); (F.S.); (E.Z.); (R.C.)
| | - Lisa Pastrone
- Microbiology and Virology Unit, A.O.U. “Città della Salute e della Scienza di Torino”, 10126 Turin, Italy; (L.P.); (A.C.); (A.B.); (F.S.); (E.Z.); (R.C.)
| | - Antonio Curtoni
- Microbiology and Virology Unit, A.O.U. “Città della Salute e della Scienza di Torino”, 10126 Turin, Italy; (L.P.); (A.C.); (A.B.); (F.S.); (E.Z.); (R.C.)
| | - Alessandro Bondi
- Microbiology and Virology Unit, A.O.U. “Città della Salute e della Scienza di Torino”, 10126 Turin, Italy; (L.P.); (A.C.); (A.B.); (F.S.); (E.Z.); (R.C.)
| | - Francesca Sidoti
- Microbiology and Virology Unit, A.O.U. “Città della Salute e della Scienza di Torino”, 10126 Turin, Italy; (L.P.); (A.C.); (A.B.); (F.S.); (E.Z.); (R.C.)
| | - Elisa Zanotto
- Microbiology and Virology Unit, A.O.U. “Città della Salute e della Scienza di Torino”, 10126 Turin, Italy; (L.P.); (A.C.); (A.B.); (F.S.); (E.Z.); (R.C.)
| | - Rossana Cavallo
- Microbiology and Virology Unit, A.O.U. “Città della Salute e della Scienza di Torino”, 10126 Turin, Italy; (L.P.); (A.C.); (A.B.); (F.S.); (E.Z.); (R.C.)
| | - Paolo Solidoro
- Pneumology Unit, A.O.U. “Città della Salute e della Scienza di Torino”, 10126 Turin, Italy;
| | - Cristina Costa
- Microbiology and Virology Unit, A.O.U. “Città della Salute e della Scienza di Torino”, 10126 Turin, Italy; (L.P.); (A.C.); (A.B.); (F.S.); (E.Z.); (R.C.)
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147
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Takahashi G, Miyaoka Y. Large-scale single-cell cloning of genome-edited cultured human cells by On-chip SPiS. STAR Protoc 2023; 4:102364. [PMID: 37329509 PMCID: PMC10285693 DOI: 10.1016/j.xpro.2023.102364] [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: 03/30/2023] [Revised: 05/01/2023] [Accepted: 05/17/2023] [Indexed: 06/19/2023] Open
Abstract
Single-cell cloning is the simplest strategy to isolate genome-edited cell clones, although its scalability has been an issue. Here, we present a protocol to establish genome-edited human cultured cell clones using the On-chip SPiS, a single-cell auto-dispensing device with image recognition technology. Human cultured cells are transfected with plasmids of the CRISPR-Cas9 components, and Cas9-expressing cells are sorted and individually plated into multi-well plates by the On-chip SPiS. For complete details on the use and execution of this protocol, please refer to Takahashi et al. (2022).1.
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Affiliation(s)
- Gou Takahashi
- Regenerative Medicine Project, Tokyo Metropolitan Institute of Medical Science, Tokyo 156-8506, Japan.
| | - Yuichiro Miyaoka
- Regenerative Medicine Project, Tokyo Metropolitan Institute of Medical Science, Tokyo 156-8506, Japan; Graduate School of Medical and Dental Sciences, Tokyo Medical and Dental University, Tokyo 113-8510, Japan; Graduate School of Humanities and Sciences, Ochanomizu University, Tokyo 112-8610, Japan.
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148
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Mak MCE, Gurung R, Foo RSY. Applications of Genome Editing Technologies in CAD Research and Therapy with a Focus on Atherosclerosis. Int J Mol Sci 2023; 24:14057. [PMID: 37762360 PMCID: PMC10531628 DOI: 10.3390/ijms241814057] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/14/2023] [Revised: 09/04/2023] [Accepted: 09/06/2023] [Indexed: 09/29/2023] Open
Abstract
Cardiovascular diseases, particularly coronary artery disease (CAD), remain the leading cause of death worldwide in recent years, with myocardial infarction (MI) being the most common form of CAD. Atherosclerosis has been highlighted as one of the drivers of CAD, and much research has been carried out to understand and treat this disease. However, there remains much to be better understood and developed in treating this disease. Genome editing technologies have been widely used to establish models of disease as well as to treat various genetic disorders at their root. In this review, we aim to highlight the various ways genome editing technologies can be applied to establish models of atherosclerosis, as well as their therapeutic roles in both atherosclerosis and the clinical implications of CAD.
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Affiliation(s)
| | - Rijan Gurung
- Cardiovascular Research Institute, Cardiovascular and Metabolic Disease Translational Research Programme, Yong Loo Lin School of Medicine, National University of Singapore, 14 Medical Drive, MD6, #08-01, Singapore 117599, Singapore; (M.C.E.M.); (R.S.Y.F.)
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149
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Fletcher RB, Stokes LD, Kelly IB, Henderson KM, Vallecillo-Viejo IC, Colazo JM, Wong BV, Yu F, d'Arcy R, Struthers MN, Evans BC, Ayers J, Castanon M, Weirich MJ, Reilly SK, Patel SS, Ivanova YI, Silvera Batista CA, Weiss SM, Gersbach CA, Brunger JM, Duvall CL. Nonviral In Vivo Delivery of CRISPR-Cas9 Using Protein-Agnostic, High-Loading Porous Silicon and Polymer Nanoparticles. ACS NANO 2023; 17:16412-16431. [PMID: 37582231 PMCID: PMC11129837 DOI: 10.1021/acsnano.2c12261] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 08/17/2023]
Abstract
The complexity of CRISPR machinery is a challenge to its application for nonviral in vivo therapeutic gene editing. Here, we demonstrate that proteins, regardless of size or charge, efficiently load into porous silicon nanoparticles (PSiNPs). Optimizing the loading strategy yields formulations that are ultrahigh loading─>40% cargo by volume─and highly active. Further tuning of a polymeric coating on the loaded PSiNPs yields nanocomposites that achieve colloidal stability under cryopreservation, endosome escape, and gene editing efficiencies twice that of the commercial standard Lipofectamine CRISPRMAX. In a mouse model of arthritis, PSiNPs edit cells in both the cartilage and synovium of knee joints, and achieve 60% reduction in expression of the therapeutically relevant MMP13 gene. Administered intramuscularly, they are active over a broad dose range, with the highest tested dose yielding nearly 100% muscle fiber editing at the injection site. The nanocomposite PSiNPs are also amenable to systemic delivery. Administered intravenously in a model that mimics muscular dystrophy, they edit sites of inflamed muscle. Collectively, the results demonstrate that the PSiNP nanocomposites are a versatile system that can achieve high loading of diverse cargoes and can be applied for gene editing in both local and systemic delivery applications.
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Affiliation(s)
- R Brock Fletcher
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee 37235-1631, United States
| | - Larry D Stokes
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee 37235-1631, United States
| | - Isom B Kelly
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee 37235-1631, United States
| | - Katelyn M Henderson
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee 37235-1631, United States
| | - Isabel C Vallecillo-Viejo
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee 37235-1631, United States
| | - Juan M Colazo
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee 37235-1631, United States
| | - Benjamin V Wong
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee 37235-1631, United States
| | - Fang Yu
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee 37235-1631, United States
| | - Richard d'Arcy
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee 37235-1631, United States
| | - Morgan N Struthers
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee 37235-1631, United States
| | - Brian C Evans
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee 37235-1631, United States
| | - Jacob Ayers
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee 37235-1631, United States
| | - Matthew Castanon
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee 37235-1631, United States
| | - Michael J Weirich
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee 37235-1631, United States
| | - Sarah K Reilly
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee 37235-1631, United States
| | - Shrusti S Patel
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee 37235-1631, United States
| | - Yoanna I Ivanova
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee 37235-1631, United States
| | - Carlos A Silvera Batista
- Department of Chemical and Biomolecular Engineering, Vanderbilt University, Nashville, Tennessee 37235-1631, United States
| | - Sharon M Weiss
- Department of Electrical Engineering, Vanderbilt University, Nashville, Tennessee 37235-1631, United States
| | - Charles A Gersbach
- Department of Biomedical Engineering, Duke University, Durham, North Carolina 27708, United States
| | - Jonathan M Brunger
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee 37235-1631, United States
| | - Craig L Duvall
- Department of Biomedical Engineering, Vanderbilt University, Nashville, Tennessee 37235-1631, United States
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150
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Tiroille V, Krug A, Bokobza E, Kahi M, Bulcaen M, Ensinck MM, Geurts MH, Hendriks D, Vermeulen F, Larbret F, Gutierrez-Guerrero A, Chen Y, Van Zundert I, Rocha S, Rios AC, Medaer L, Gijsbers R, Mangeot PE, Clevers H, Carlon MS, Bost F, Verhoeyen E. Nanoblades allow high-level genome editing in murine and human organoids. MOLECULAR THERAPY. NUCLEIC ACIDS 2023; 33:57-74. [PMID: 37435135 PMCID: PMC10331042 DOI: 10.1016/j.omtn.2023.06.004] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Subscribe] [Scholar Register] [Received: 12/08/2022] [Accepted: 06/04/2023] [Indexed: 07/13/2023]
Abstract
Genome engineering has become more accessible thanks to the CRISPR-Cas9 gene-editing system. However, using this technology in synthetic organs called "organoids" is still very inefficient. This is due to the delivery methods for the CRISPR-Cas9 machinery, which include electroporation of CRISPR-Cas9 DNA, mRNA, or ribonucleoproteins containing the Cas9-gRNA complex. However, these procedures are quite toxic for the organoids. Here, we describe the use of the "nanoblade (NB)" technology, which outperformed by far gene-editing levels achieved to date for murine- and human tissue-derived organoids. We reached up to 75% of reporter gene knockout in organoids after treatment with NBs. Indeed, high-level NB-mediated knockout for the androgen receptor encoding gene and the cystic fibrosis transmembrane conductance regulator gene was achieved with single gRNA or dual gRNA containing NBs in murine prostate and colon organoids. Likewise, NBs achieved 20%-50% gene editing in human organoids. Most importantly, in contrast to other gene-editing methods, this was obtained without toxicity for the organoids. Only 4 weeks are required to obtain stable gene knockout in organoids and NBs simplify and allow rapid genome editing in organoids with little to no side effects including unwanted insertion/deletions in off-target sites thanks to transient Cas9/RNP expression.
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Affiliation(s)
- Victor Tiroille
- Université Côte d’Azur, INSERM, C3M, 06204 Nice, France
- Equipe labélisée Ligue National Contre le Cancer, Basel, Switzerland
| | - Adrien Krug
- Université Côte d’Azur, INSERM, C3M, 06204 Nice, France
| | - Emma Bokobza
- Université Côte d’Azur, INSERM, C3M, 06204 Nice, France
- Equipe labélisée Ligue National Contre le Cancer, Basel, Switzerland
| | - Michel Kahi
- Université Côte d’Azur, INSERM, C3M, 06204 Nice, France
- Equipe labélisée Ligue National Contre le Cancer, Basel, Switzerland
| | - Mattijs Bulcaen
- Laboratory for Molecular Virology and Gene Therapy, Department of Pharmaceutical and Pharmacological Sciences, Faculty of Medicine, KU Leuven, Leuven, Belgium
- Laboratory of Respiratory Diseases and Thoracic Surgery (BREATHE), Department of Chronic Diseases and Metabolism, KU Leuven, Leuven, Belgium
| | - Marjolein M. Ensinck
- Laboratory for Molecular Virology and Gene Therapy, Department of Pharmaceutical and Pharmacological Sciences, Faculty of Medicine, KU Leuven, Leuven, Belgium
- Laboratory of Respiratory Diseases and Thoracic Surgery (BREATHE), Department of Chronic Diseases and Metabolism, KU Leuven, Leuven, Belgium
| | - Maarten H. Geurts
- Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences (KNAW) and University Medical Center Utrecht, Utrecht, the Netherlands
- Oncode Institute, Hubrecht Institute, Utrecht, the Netherlands
| | - Delilah Hendriks
- Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences (KNAW) and University Medical Center Utrecht, Utrecht, the Netherlands
- Oncode Institute, Hubrecht Institute, Utrecht, the Netherlands
| | | | | | - Alejandra Gutierrez-Guerrero
- CIRI – International Center for Infectiology Research, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, Ecole Normale Supérieure de Lyon, Université Lyon, F-69007 Lyon, France
| | - Yu Chen
- Human Oncology and Pathogenesis Program, Department of Medicine, Memorial Sloan; Department of Medicine, Weill Cornell Medical College, New York, NY 10065, USA
| | - Indra Van Zundert
- Synthetic Biology Group, Department of Biomedical Engineering, Eindhoven University of Technology, P.O. Box 513, 5600 MB Eindhoven, the Netherlands
| | - Susana Rocha
- Molecular Imaging and Photonics, Department of Chemistry, KU Leuven, Celestijnenlaan 200F, 3001 Heverlee, Belgium
| | - Anne C. Rios
- Oncode Institute, Hubrecht Institute, Utrecht, the Netherlands
- Princess Máxima Center for Pediatric Oncology, Utrecht, the Netherlands
| | - Louise Medaer
- Laboratory for Molecular Virology and Gene Therapy, Department of Pharmaceutical and Pharmacological Sciences, Faculty of Medicine, KU Leuven, Leuven, Belgium
| | - Rik Gijsbers
- Laboratory for Molecular Virology and Gene Therapy, Department of Pharmaceutical and Pharmacological Sciences, Faculty of Medicine, KU Leuven, Leuven, Belgium
| | - Philippe E. Mangeot
- CIRI – International Center for Infectiology Research, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, Ecole Normale Supérieure de Lyon, Université Lyon, F-69007 Lyon, France
| | - Hans Clevers
- Hubrecht Institute, Royal Netherlands Academy of Arts and Sciences (KNAW) and University Medical Center Utrecht, Utrecht, the Netherlands
- Oncode Institute, Hubrecht Institute, Utrecht, the Netherlands
| | - Marianne S. Carlon
- Laboratory for Molecular Virology and Gene Therapy, Department of Pharmaceutical and Pharmacological Sciences, Faculty of Medicine, KU Leuven, Leuven, Belgium
- Laboratory of Respiratory Diseases and Thoracic Surgery (BREATHE), Department of Chronic Diseases and Metabolism, KU Leuven, Leuven, Belgium
| | - Frédéric Bost
- Université Côte d’Azur, INSERM, C3M, 06204 Nice, France
- Equipe labélisée Ligue National Contre le Cancer, Basel, Switzerland
| | - Els Verhoeyen
- Université Côte d’Azur, INSERM, C3M, 06204 Nice, France
- CIRI – International Center for Infectiology Research, Inserm, U1111, Université Claude Bernard Lyon 1, CNRS, UMR5308, Ecole Normale Supérieure de Lyon, Université Lyon, F-69007 Lyon, France
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