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Lazovic B, Nguyen HT, Ansarizadeh M, Wigge L, Kohl F, Li S, Carracedo M, Kettunen J, Krimpenfort L, Elgendy R, Richter K, De Silva L, Bilican B, Singh P, Saxena P, Jakobsson L, Hong X, Eklund L, Hicks R. Human iPSC and CRISPR targeted gene knock-in strategy for studying the somatic TIE2 L914F mutation in endothelial cells. Angiogenesis 2024:10.1007/s10456-024-09925-9. [PMID: 38771392 DOI: 10.1007/s10456-024-09925-9] [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: 12/01/2023] [Accepted: 04/22/2024] [Indexed: 05/22/2024]
Abstract
Induced pluripotent stem cell (iPSC) derived endothelial cells (iECs) have emerged as a promising tool for studying vascular biology and providing a platform for modelling various vascular diseases, including those with genetic origins. Currently, primary ECs are the main source for disease modelling in this field. However, they are difficult to edit and have a limited lifespan. To study the effects of targeted mutations on an endogenous level, we generated and characterized an iPSC derived model for venous malformations (VMs). CRISPR-Cas9 technology was used to generate a novel human iPSC line with an amino acid substitution L914F in the TIE2 receptor, known to cause VMs. This enabled us to study the differential effects of VM causative mutations in iECs in multiple in vitro models and assess their ability to form vessels in vivo. The analysis of TIE2 expression levels in TIE2L914F iECs showed a significantly lower expression of TIE2 on mRNA and protein level, which has not been observed before due to a lack of models with endogenous edited TIE2L914F and sparse patient data. Interestingly, the TIE2 pathway was still significantly upregulated and TIE2 showed high levels of phosphorylation. TIE2L914F iECs exhibited dysregulated angiogenesis markers and upregulated migration capability, while proliferation was not affected. Under shear stress TIE2L914F iECs showed reduced alignment in the flow direction and a larger cell area than TIE2WT iECs. In summary, we developed a novel TIE2L914F iPSC-derived iEC model and characterized it in multiple in vitro models. The model can be used in future work for drug screening for novel treatments for VMs.
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Affiliation(s)
- Bojana Lazovic
- BioPharmaceuticals R&D Cell Therapy Department, Research and Early Development, Cardiovascular, Renal, and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
- Translational Genomics, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
- Oulu Center for Cell-Matrix Research, Biocenter Oulu and Faculty of Biochemistry and Molecular Medicine, University of Oulu, Oulu, Finland
| | - Hoang-Tuan Nguyen
- Oulu Center for Cell-Matrix Research, Biocenter Oulu and Faculty of Biochemistry and Molecular Medicine, University of Oulu, Oulu, Finland
- Finnadvance Ltd., Oulu, Finland
| | - Mohammadhassan Ansarizadeh
- Oulu Center for Cell-Matrix Research, Biocenter Oulu and Faculty of Biochemistry and Molecular Medicine, University of Oulu, Oulu, Finland
| | - Leif Wigge
- Data Sciences and Quantitative Biology, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Franziska Kohl
- Translational Genomics, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
- Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
| | - Songyuan Li
- Translational Genomics, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Miguel Carracedo
- Bioscience Renal, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | | | - Luc Krimpenfort
- Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
| | - Ramy Elgendy
- Translational Genomics, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Kati Richter
- Oulu Center for Cell-Matrix Research, Biocenter Oulu and Faculty of Biochemistry and Molecular Medicine, University of Oulu, Oulu, Finland
| | - Laknee De Silva
- Oulu Center for Cell-Matrix Research, Biocenter Oulu and Faculty of Biochemistry and Molecular Medicine, University of Oulu, Oulu, Finland
| | - Bilada Bilican
- Translational Genomics, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | | | - Pratik Saxena
- BioPharmaceuticals R&D Cell Therapy Department, Research and Early Development, Cardiovascular, Renal, and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Lars Jakobsson
- Department of Medical Biochemistry and Biophysics, Karolinska Institutet, Stockholm, Sweden
| | - Xuechong Hong
- BioPharmaceuticals R&D Cell Therapy Department, Research and Early Development, Cardiovascular, Renal, and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Lauri Eklund
- Oulu Center for Cell-Matrix Research, Biocenter Oulu and Faculty of Biochemistry and Molecular Medicine, University of Oulu, Oulu, Finland
| | - Ryan Hicks
- BioPharmaceuticals R&D Cell Therapy Department, Research and Early Development, Cardiovascular, Renal, and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden.
- School of Cardiovascular and Metabolic Medicine & Sciences, King's College London, London, UK.
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2
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Hayhow TG, Williamson B, Lawson M, Cureton N, Braybrooke EL, Campbell A, Carbajo RJ, Cheraghchi-Bashi A, Chiarparin E, Diène CR, Fallan C, Fisher DI, Goldberg FW, Hopcroft L, Hopcroft P, Jackson A, Kettle JG, Klinowska T, Künzel U, Lamont G, Lewis HJ, Maglennon G, Martin S, Gutierrez PM, Morrow CJ, Nikolaou M, Nissink JWM, O'Shea P, Polanski R, Schade M, Scott JS, Smith A, Weber J, Wilson J, Yang B, Crafter C. Metabolism-driven in vitro/in vivo disconnect of an oral ERɑ VHL-PROTAC. Commun Biol 2024; 7:563. [PMID: 38740899 DOI: 10.1038/s42003-024-06238-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/17/2024] [Accepted: 04/24/2024] [Indexed: 05/16/2024] Open
Abstract
Targeting the estrogen receptor alpha (ERα) pathway is validated in the clinic as an effective means to treat ER+ breast cancers. Here we present the development of a VHL-targeting and orally bioavailable proteolysis-targeting chimera (PROTAC) degrader of ERα. In vitro studies with this PROTAC demonstrate excellent ERα degradation and ER antagonism in ER+ breast cancer cell lines. However, upon dosing the compound in vivo we observe an in vitro-in vivo disconnect. ERα degradation is lower in vivo than expected based on the in vitro data. Investigation into potential causes for the reduced maximal degradation reveals that metabolic instability of the PROTAC linker generates metabolites that compete for binding to ERα with the full PROTAC, limiting degradation. This observation highlights the requirement for metabolically stable PROTACs to ensure maximal efficacy and thus optimisation of the linker should be a key consideration when designing PROTACs.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Anne Jackson
- Discovery Sciences, R&D, AstraZeneca, Cambridge, UK
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Bin Yang
- Oncology R&D, AstraZeneca, Waltham, MA, USA
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3
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Mansouri M, Fussenegger M. Small-Molecule Regulators for Gene Switches to Program Mammalian Cell Behaviour. Chembiochem 2024; 25:e202300717. [PMID: 38081780 DOI: 10.1002/cbic.202300717] [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: 10/18/2023] [Revised: 12/11/2023] [Indexed: 01/13/2024]
Abstract
Synthetic or natural small molecules have been extensively employed as trigger signals or inducers to regulate engineered gene circuits introduced into living cells in order to obtain desired outputs in a controlled and predictable manner. Here, we provide an overview of small molecules used to drive synthetic-biology-based gene circuits in mammalian cells, together with examples of applications at different levels of control, including regulation of DNA manipulation, RNA synthesis and editing, and protein synthesis, maturation, and trafficking. We also discuss the therapeutic potential of these small-molecule-responsive gene circuits, focusing on the advantages and disadvantages of using small molecules as triggers, the mechanisms involved, and the requirements for selecting suitable molecules, including efficiency, specificity, orthogonality, and safety. Finally, we explore potential future directions for translation of these devices to clinical medicine.
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Affiliation(s)
- Maysam Mansouri
- ETH Zurich, Department of Biosystems Science and Engineering, Klingelbergstrasse 48, CH-4056, Basel, Switzerland
| | - Martin Fussenegger
- ETH Zurich, Department of Biosystems Science and Engineering, Klingelbergstrasse 48, CH-4056, Basel, Switzerland
- University of Basel, Faculty of Science, Klingelbergstrasse 48, CH-4056, Basel, Switzerland
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4
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Hardaker EL, Sanseviero E, Karmokar A, Taylor D, Milo M, Michaloglou C, Hughes A, Mai M, King M, Solanki A, Magiera L, Miragaia R, Kar G, Standifer N, Surace M, Gill S, Peter A, Talbot S, Tohumeken S, Fryer H, Mostafa A, Mulgrew K, Lam C, Hoffmann S, Sutton D, Carnevalli L, Calero-Nieto FJ, Jones GN, Pierce AJ, Wilson Z, Campbell D, Nyoni L, Martins CP, Baker T, Serrano de Almeida G, Ramlaoui Z, Bidar A, Phillips B, Boland J, Iyer S, Barrett JC, Loembé AB, Fuchs SY, Duvvuri U, Lou PJ, Nance MA, Gomez Roca CA, Cadogan E, Critichlow SE, Fawell S, Cobbold M, Dean E, Valge-Archer V, Lau A, Gabrilovich DI, Barry ST. The ATR inhibitor ceralasertib potentiates cancer checkpoint immunotherapy by regulating the tumor microenvironment. Nat Commun 2024; 15:1700. [PMID: 38402224 PMCID: PMC10894296 DOI: 10.1038/s41467-024-45996-4] [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: 07/10/2023] [Accepted: 02/09/2024] [Indexed: 02/26/2024] Open
Abstract
The Ataxia telangiectasia and Rad3-related (ATR) inhibitor ceralasertib in combination with the PD-L1 antibody durvalumab demonstrated encouraging clinical benefit in melanoma and lung cancer patients who progressed on immunotherapy. Here we show that modelling of intermittent ceralasertib treatment in mouse tumor models reveals CD8+ T-cell dependent antitumor activity, which is separate from the effects on tumor cells. Ceralasertib suppresses proliferating CD8+ T-cells on treatment which is rapidly reversed off-treatment. Ceralasertib causes up-regulation of type I interferon (IFNI) pathway in cancer patients and in tumor-bearing mice. IFNI is experimentally found to be a major mediator of antitumor activity of ceralasertib in combination with PD-L1 antibody. Improvement of T-cell function after ceralasertib treatment is linked to changes in myeloid cells in the tumor microenvironment. IFNI also promotes anti-proliferative effects of ceralasertib on tumor cells. Here, we report that broad immunomodulatory changes following intermittent ATR inhibition underpins the clinical therapeutic benefit and indicates its wider impact on antitumor immunity.
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Affiliation(s)
| | | | | | - Devon Taylor
- Oncology R&D, AstraZeneca, Gaithersburg, MD, 20878, USA
| | - Marta Milo
- Oncology R&D, AstraZeneca, Cambridge, UK
| | | | | | - Mimi Mai
- Oncology R&D, AstraZeneca, Gaithersburg, MD, 20878, USA
| | | | | | | | | | - Gozde Kar
- Oncology R&D, AstraZeneca, Cambridge, UK
| | - Nathan Standifer
- Oncology R&D, AstraZeneca, Gaithersburg, MD, 20878, USA
- Tempest Therapeutics, Brisbane, CA, USA
| | | | - Shaan Gill
- Oncology R&D, AstraZeneca, Cambridge, UK
| | | | | | | | | | - Ali Mostafa
- Oncology R&D, AstraZeneca, Gaithersburg, MD, 20878, USA
| | - Kathy Mulgrew
- Oncology R&D, AstraZeneca, Gaithersburg, MD, 20878, USA
| | | | | | - Daniel Sutton
- Imaging and Data Analytics, AstraZeneca, Cambridge, UK
| | | | | | | | - Andrew J Pierce
- Oncology R&D, AstraZeneca, Cambridge, UK
- Crescendo Biologics Limited, Cambridge, UK
| | | | | | | | | | | | | | | | - Abdel Bidar
- CPSS, Imaging, AstraZeneca, Gothenburg, Sweden
| | - Benjamin Phillips
- Data Sciences & Quantitative Biology, Discovery Sciences, R&D, AstraZeneca, Cambridge, UK
| | - Joseph Boland
- Oncology R&D, AstraZeneca, Gaithersburg, MD, 20878, USA
| | - Sonia Iyer
- Oncology R&D, AstraZeneca, Boston, MA, USA
| | | | | | - Serge Y Fuchs
- Department of Biomedical Sciences, School of Veterinary Medicine University of Pennsylvania, Philadelphia, PA, 19104, USA
| | - Umamaheswar Duvvuri
- UPMC Department of Otolaryngology and UPMC Hillman Cancer Center, 200 Lothrop St. Suite 500, Pittsburg, PA, 15213, USA
| | - Pei-Jen Lou
- National Taiwan University Hospital, No. 7, Chung Shan S. Rd. (Zhongshan S. Rd.), Zhongzheng Dist., Taipei City, 10002, Taiwan
| | - Melonie A Nance
- VA Pittsburgh Healthcare System, University Drive C, Pittsburg, PA, 15240, USA
| | - Carlos Alberto Gomez Roca
- Institut Claudius Regaud-Cancer Comprehensive Center, 1 Avenue Irene Joliot-Curie, IUCT-O, Toulouse, 31059 Cedex 9, France
| | | | | | | | - Mark Cobbold
- Oncology R&D, AstraZeneca, Gaithersburg, MD, 20878, USA
| | - Emma Dean
- Oncology R&D, AstraZeneca, Cambridge, UK
| | | | - Alan Lau
- Oncology R&D, AstraZeneca, Cambridge, UK
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5
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LaFleur MW, Lemmen AM, Streeter ISL, Nguyen TH, Milling LE, Derosia NM, Hoffman ZM, Gillis JE, Tjokrosurjo Q, Markson SC, Huang AY, Anekal PV, Montero Llopis P, Haining WN, Doench JG, Sharpe AH. X-CHIME enables combinatorial, inducible, lineage-specific and sequential knockout of genes in the immune system. Nat Immunol 2024; 25:178-188. [PMID: 38012416 PMCID: PMC10881062 DOI: 10.1038/s41590-023-01689-6] [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: 10/07/2022] [Accepted: 10/20/2023] [Indexed: 11/29/2023]
Abstract
Annotation of immunologic gene function in vivo typically requires the generation of knockout mice, which is time consuming and low throughput. We previously developed CHimeric IMmune Editing (CHIME), a CRISPR-Cas9 bone marrow delivery system for constitutive, ubiquitous deletion of single genes. Here we describe X-CHIME, four new CHIME-based systems for modular and rapid interrogation of gene function combinatorially (C-CHIME), inducibly (I-CHIME), lineage-specifically (L-CHIME) or sequentially (S-CHIME). We use C-CHIME and S-CHIME to assess the consequences of combined deletion of Ptpn1 and Ptpn2, an embryonic lethal gene pair, in adult mice. We find that constitutive deletion of both PTPN1 and PTPN2 leads to bone marrow hypoplasia and lethality, while inducible deletion after immune development leads to enteritis and lethality. These findings demonstrate that X-CHIME can be used for rapid mechanistic evaluation of genes in distinct in vivo contexts and that PTPN1 and PTPN2 have some functional redundancy important for viability in adult mice.
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Affiliation(s)
- Martin W LaFleur
- Department of Immunology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA
- Gene Lay Institute of Immunology and Inflammation, Brigham and Women's Hospital, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Ashlyn M Lemmen
- Department of Immunology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA
- Gene Lay Institute of Immunology and Inflammation, Brigham and Women's Hospital, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Ivy S L Streeter
- Department of Immunology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA
- Gene Lay Institute of Immunology and Inflammation, Brigham and Women's Hospital, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Thao H Nguyen
- Department of Immunology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA
- Gene Lay Institute of Immunology and Inflammation, Brigham and Women's Hospital, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Lauren E Milling
- Department of Immunology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA
- Gene Lay Institute of Immunology and Inflammation, Brigham and Women's Hospital, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Nicole M Derosia
- Department of Immunology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA
- Gene Lay Institute of Immunology and Inflammation, Brigham and Women's Hospital, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Zachary M Hoffman
- Department of Immunology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA
- Gene Lay Institute of Immunology and Inflammation, Brigham and Women's Hospital, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Jacob E Gillis
- Department of Immunology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA
- Gene Lay Institute of Immunology and Inflammation, Brigham and Women's Hospital, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Qin Tjokrosurjo
- Department of Immunology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA
- Gene Lay Institute of Immunology and Inflammation, Brigham and Women's Hospital, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
| | - Samuel C Markson
- Department of Immunology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA
- Gene Lay Institute of Immunology and Inflammation, Brigham and Women's Hospital, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Broad Institute of Harvard and Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Amy Y Huang
- Department of Immunology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA
- Gene Lay Institute of Immunology and Inflammation, Brigham and Women's Hospital, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA
- Broad Institute of Harvard and Massachusetts Institute of Technology, Cambridge, MA, USA
- Dana-Farber Cancer Institute, Boston, MA, USA
| | | | | | | | - John G Doench
- Broad Institute of Harvard and Massachusetts Institute of Technology, Cambridge, MA, USA
| | - Arlene H Sharpe
- Department of Immunology, Blavatnik Institute, Harvard Medical School, Boston, MA, USA.
- Gene Lay Institute of Immunology and Inflammation, Brigham and Women's Hospital, Massachusetts General Hospital and Harvard Medical School, Boston, MA, USA.
- Broad Institute of Harvard and Massachusetts Institute of Technology, Cambridge, MA, USA.
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6
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Rovira E, Moreno B, Razquin N, Blázquez L, Hernández-Alcoceba R, Fortes P, Pastor F. Engineering U1-Based Tetracycline-Inducible Riboswitches to Control Gene Expression in Mammals. ACS NANO 2023; 17:23331-23346. [PMID: 37971502 DOI: 10.1021/acsnano.3c01994] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/19/2023]
Abstract
Synthetic riboswitches are promising regulatory devices due to their small size, lack of immunogenicity, and ability to fine-tune gene expression in the absence of exogenous trans-acting factors. Based on a gene inhibitory system developed at our lab, termed U1snRNP interference (U1i), we developed tetracycline (TC)-inducible riboswitches that modulate mRNA polyadenylation through selective U1 snRNP recruitment. First, we engineered different TC-U1i riboswitches, which repress gene expression unless TC is added, leading to inductions of gene expression of 3-to-4-fold. Second, we developed a technique called Systematic Evolution of Riboswitches by Exponential Enrichment (SEREX), to isolate riboswitches with enhanced U1 snRNP binding capacity and activity, achieving inducibilities of up to 8-fold. Interestingly, by multiplexing riboswitches we increased inductions up to 37-fold. Finally, we demonstrated that U1i-based riboswitches are dose-dependent and reversible and can regulate the expression of reporter and endogenous genes in culture cells and mouse models, resulting in attractive systems for gene therapy applications. Our work probes SEREX as a much-needed technology for the in vitro identification of riboswitches capable of regulating gene expression in vivo.
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Affiliation(s)
- Eric Rovira
- Department of Gene Therapy and Regulation of Gene Expression, Center for Applied Medical Research (CIMA), University of Navarra (UNAV), Pamplona 31008, Spain
| | - Beatriz Moreno
- Department of Molecular Therapy, Aptamer Unit, Center for Applied Medical Research (CIMA), University of Navarra (UNAV), Pamplona 31008, Spain
| | - Nerea Razquin
- Department of Gene Therapy and Regulation of Gene Expression, Center for Applied Medical Research (CIMA), University of Navarra (UNAV), Pamplona 31008, Spain
| | - Lorea Blázquez
- Department of Neurosciences, Biodonostia Health Research Institute, 20014 San Sebastián, Spain
- CIBERNED, ISCIII (CIBER, Carlos III Institute, Spanish Ministry of Sciences and Innovation), 28031 Madrid, Spain
- Ikerbasque, Basque Foundation for Science, 48009 Bilbao, Spain
| | - Ruben Hernández-Alcoceba
- Department of Gene Therapy and Regulation of Gene Expression, Center for Applied Medical Research (CIMA), University of Navarra (UNAV), Pamplona 31008, Spain
- Navarra Institute for Health Research (IdiSNA), Pamplona 31008, Spain
- Spanish Network for Advanced Therapies (TERAV ISCIII), Madrid 28029, Spain
| | - Puri Fortes
- Department of Gene Therapy and Regulation of Gene Expression, Center for Applied Medical Research (CIMA), University of Navarra (UNAV), Pamplona 31008, Spain
- Navarra Institute for Health Research (IdiSNA), Pamplona 31008, Spain
- Spanish Network for Advanced Therapies (TERAV ISCIII), Madrid 28029, Spain
- Liver and Digestive Diseases Networking Biomedical Research Centre (CIBERehd), Madrid 28029, Spain
| | - Fernando Pastor
- Department of Molecular Therapy, Aptamer Unit, Center for Applied Medical Research (CIMA), University of Navarra (UNAV), Pamplona 31008, Spain
- Navarra Institute for Health Research (IdiSNA), Pamplona 31008, Spain
- Centro de Investigación Biomédica en Red de Cáncer (CIBERONC), Madrid 28029, Spain
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7
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Lei P, Ju Y, Peng F, Luo J. Applications and advancements of CRISPR-Cas in the treatment of lung cancer. Front Cell Dev Biol 2023; 11:1295084. [PMID: 38188023 PMCID: PMC10768725 DOI: 10.3389/fcell.2023.1295084] [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: 09/15/2023] [Accepted: 11/13/2023] [Indexed: 01/09/2024] Open
Abstract
Lung cancer is one of the most malignant diseases and a major contributor to cancer-related deaths worldwide due to the deficiency of early diagnosis and effective therapy that are of great importance for patient prognosis and quality of life. Over the past decade, the advent of clustered regularly interspaced short palindromic repeats/CRISPR associated protein (CRISPR/Cas) system has significantly propelled the progress of both fundamental research and clinical trials of lung cancer. In this review, we review the current applications of the CRISPR/Cas system in diagnosis, target identification, and treatment resistance of lung cancer. Furthermore, we summarize the development of lung cancer animal models and delivery methods based on CRISPR system, providing novel insights into clinical diagnosis and treatment strategies of lung cancer.
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Affiliation(s)
- Pan Lei
- Hubei Clinical Research Center for Precise Diagnosis and Treatment of Liver Cancer, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei, China
- Hubei Hongshan Laboratory, College of Biomedicine and Health, Huazhong Agricultural University, Wuhan, China
| | - Yixin Ju
- Hubei Hongshan Laboratory, College of Biomedicine and Health, Huazhong Agricultural University, Wuhan, China
| | - Fenfen Peng
- Department of Pharmacy, Jianyang City Hospital of Traditional Chinese Medicine, Chengdu University of Traditional Chinese Medicine, Jianyang, Sichuan, China
| | - Jie Luo
- Hubei Clinical Research Center for Precise Diagnosis and Treatment of Liver Cancer, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei, China
- Hubei Hongshan Laboratory, College of Biomedicine and Health, Huazhong Agricultural University, Wuhan, China
- Department of Neurosurgery, Taihe Hospital, Hubei University of Medicine, Shiyan, Hubei, China
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8
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Fletcher A, Clift D, de Vries E, Martinez Cuesta S, Malcolm T, Meghini F, Chaerkady R, Wang J, Chiang A, Weng SHS, Tart J, Wong E, Donohoe G, Rawlins P, Gordon E, Taylor JD, James L, Hunt J. A TRIM21-based bioPROTAC highlights the therapeutic benefit of HuR degradation. Nat Commun 2023; 14:7093. [PMID: 37925433 PMCID: PMC10625600 DOI: 10.1038/s41467-023-42546-2] [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: 01/05/2023] [Accepted: 10/13/2023] [Indexed: 11/06/2023] Open
Abstract
Human antigen R (HuR) is a ubiquitously expressed RNA-binding protein, which functions as an RNA regulator. Overexpression of HuR correlates with high grade tumours and poor patient prognosis, implicating it as an attractive therapeutic target. However, an effective small molecule antagonist to HuR for clinical use remains elusive. Here, a single domain antibody (VHH) that binds HuR with low nanomolar affinity was identified and shown to inhibit HuR binding to RNA. This VHH was used to engineer a TRIM21-based biological PROTAC (bioPROTAC) that could degrade endogenous HuR. Significantly, HuR degradation reverses the tumour-promoting properties of cancer cells in vivo by altering the HuR-regulated proteome, highlighting the benefit of HuR degradation and paving the way for the development of HuR-degrading therapeutics. These observations have broader implications for degrading intractable therapeutic targets, with bioPROTACs presenting a unique opportunity to explore targeted-protein degradation through a modular approach.
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Affiliation(s)
| | - Dean Clift
- MRC Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge Biomedical Campus, Cambridge, UK
| | - Emma de Vries
- Biologics Engineering, R&D, AstraZeneca, Cambridge, UK
| | - Sergio Martinez Cuesta
- Data Sciences and Quantitative Biology, Discovery Sciences, R&D, AstraZeneca, Cambridge, UK
| | | | | | - Raghothama Chaerkady
- Centre for Genomics Research, Discovery Sciences, R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Junmin Wang
- Centre for Genomics Research, Discovery Sciences, R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Abby Chiang
- Centre for Genomics Research, Discovery Sciences, R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Shao Huan Samuel Weng
- Centre for Genomics Research, Discovery Sciences, R&D, AstraZeneca, Gaithersburg, MD, USA
| | - Jonathan Tart
- Discovery Biology, Discovery Sciences, R&D, AstraZeneca, Cambridge, UK
| | - Edmond Wong
- Biologics Engineering, R&D, AstraZeneca, Cambridge, UK
| | | | - Philip Rawlins
- Mechanistic and Structural Biology, Discovery Sciences, R&D, AstraZeneca, Cambridge, UK
| | - Euan Gordon
- Discovery Biology, Discovery Sciences, R&D, AstraZeneca, Gothenburg, Sweden
| | | | - Leo James
- MRC Laboratory of Molecular Biology, Francis Crick Avenue, Cambridge Biomedical Campus, Cambridge, UK
| | - James Hunt
- Biologics Engineering, R&D, AstraZeneca, Cambridge, UK.
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9
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Lara-Astiaso D, Goñi-Salaverri A, Mendieta-Esteban J, Narayan N, Del Valle C, Gross T, Giotopoulos G, Beinortas T, Navarro-Alonso M, Aguado-Alvaro LP, Zazpe J, Marchese F, Torrea N, Calvo IA, Lopez CK, Alignani D, Lopez A, Saez B, Taylor-King JP, Prosper F, Fortelny N, Huntly BJP. In vivo screening characterizes chromatin factor functions during normal and malignant hematopoiesis. Nat Genet 2023; 55:1542-1554. [PMID: 37580596 PMCID: PMC10484791 DOI: 10.1038/s41588-023-01471-2] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2022] [Accepted: 07/11/2023] [Indexed: 08/16/2023]
Abstract
Cellular differentiation requires extensive alterations in chromatin structure and function, which is elicited by the coordinated action of chromatin and transcription factors. By contrast with transcription factors, the roles of chromatin factors in differentiation have not been systematically characterized. Here, we combine bulk ex vivo and single-cell in vivo CRISPR screens to characterize the role of chromatin factor families in hematopoiesis. We uncover marked lineage specificities for 142 chromatin factors, revealing functional diversity among related chromatin factors (i.e. barrier-to-autointegration factor subcomplexes) as well as shared roles for unrelated repressive complexes that restrain excessive myeloid differentiation. Using epigenetic profiling, we identify functional interactions between lineage-determining transcription factors and several chromatin factors that explain their lineage dependencies. Studying chromatin factor functions in leukemia, we show that leukemia cells engage homeostatic chromatin factor functions to block differentiation, generating specific chromatin factor-transcription factor interactions that might be therapeutically targeted. Together, our work elucidates the lineage-determining properties of chromatin factors across normal and malignant hematopoiesis.
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Affiliation(s)
- David Lara-Astiaso
- Department of Haematology, University of Cambridge, Cambridge, UK.
- Wellcome Trust-Medical Research Council Cambridge Stem Cell Institute, Cambridge, UK.
| | | | | | - Nisha Narayan
- Department of Haematology, University of Cambridge, Cambridge, UK
- Wellcome Trust-Medical Research Council Cambridge Stem Cell Institute, Cambridge, UK
| | - Cynthia Del Valle
- Centre for Applied Medical Research, University of Navarra, Pamplona, Spain
| | | | - George Giotopoulos
- Department of Haematology, University of Cambridge, Cambridge, UK
- Wellcome Trust-Medical Research Council Cambridge Stem Cell Institute, Cambridge, UK
| | - Tumas Beinortas
- Department of Haematology, University of Cambridge, Cambridge, UK
- Wellcome Trust-Medical Research Council Cambridge Stem Cell Institute, Cambridge, UK
| | - Mar Navarro-Alonso
- Centre for Applied Medical Research, University of Navarra, Pamplona, Spain
| | | | - Jon Zazpe
- Centre for Applied Medical Research, University of Navarra, Pamplona, Spain
| | - Francesco Marchese
- Centre for Applied Medical Research, University of Navarra, Pamplona, Spain
| | - Natalia Torrea
- Centre for Applied Medical Research, University of Navarra, Pamplona, Spain
| | - Isabel A Calvo
- Centre for Applied Medical Research, University of Navarra, Pamplona, Spain
| | - Cecile K Lopez
- Department of Haematology, University of Cambridge, Cambridge, UK
- Wellcome Trust-Medical Research Council Cambridge Stem Cell Institute, Cambridge, UK
| | - Diego Alignani
- Centre for Applied Medical Research, University of Navarra, Pamplona, Spain
| | - Aitziber Lopez
- Centre for Applied Medical Research, University of Navarra, Pamplona, Spain
| | - Borja Saez
- Centre for Applied Medical Research, University of Navarra, Pamplona, Spain
| | | | - Felipe Prosper
- Centre for Applied Medical Research, University of Navarra, Pamplona, Spain
| | - Nikolaus Fortelny
- Department of Biosciences & Medical Biology, University of Salzburg, Salzburg, Austria.
| | - Brian J P Huntly
- Department of Haematology, University of Cambridge, Cambridge, UK.
- Wellcome Trust-Medical Research Council Cambridge Stem Cell Institute, Cambridge, UK.
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10
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Wimberger S, Akrap N, Firth M, Brengdahl J, Engberg S, Schwinn MK, Slater MR, Lundin A, Hsieh PP, Li S, Cerboni S, Sumner J, Bestas B, Schiffthaler B, Magnusson B, Di Castro S, Iyer P, Bohlooly-Y M, Machleidt T, Rees S, Engkvist O, Norris T, Cadogan EB, Forment JV, Šviković S, Akcakaya P, Taheri-Ghahfarokhi A, Maresca M. Simultaneous inhibition of DNA-PK and Polϴ improves integration efficiency and precision of genome editing. Nat Commun 2023; 14:4761. [PMID: 37580318 PMCID: PMC10425386 DOI: 10.1038/s41467-023-40344-4] [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: 01/26/2023] [Accepted: 07/25/2023] [Indexed: 08/16/2023] Open
Abstract
Genome editing, specifically CRISPR/Cas9 technology, has revolutionized biomedical research and offers potential cures for genetic diseases. Despite rapid progress, low efficiency of targeted DNA integration and generation of unintended mutations represent major limitations for genome editing applications caused by the interplay with DNA double-strand break repair pathways. To address this, we conduct a large-scale compound library screen to identify targets for enhancing targeted genome insertions. Our study reveals DNA-dependent protein kinase (DNA-PK) as the most effective target to improve CRISPR/Cas9-mediated insertions, confirming previous findings. We extensively characterize AZD7648, a selective DNA-PK inhibitor, and find it to significantly enhance precise gene editing. We further improve integration efficiency and precision by inhibiting DNA polymerase theta (Polϴ). The combined treatment, named 2iHDR, boosts templated insertions to 80% efficiency with minimal unintended insertions and deletions. Notably, 2iHDR also reduces off-target effects of Cas9, greatly enhancing the fidelity and performance of CRISPR/Cas9 gene editing.
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Affiliation(s)
- Sandra Wimberger
- Genome Engineering, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden.
- Department of Chemistry & Molecular Biology, University of Gothenburg, Gothenburg, Sweden.
| | - Nina Akrap
- Genome Engineering, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Mike Firth
- Data Sciences & Quantitative Biology, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge, UK
| | - Johan Brengdahl
- Cell Assay Development, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Susanna Engberg
- Cell Engineering Sweden, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | | | | | - Anders Lundin
- Translational Genomics, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Pei-Pei Hsieh
- Genome Engineering, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Songyuan Li
- Genome Engineering, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Silvia Cerboni
- Translational Science & Experimental Medicine, Research and Early Development, Respiratory & Immunology (R&I), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Jonathan Sumner
- Cell Immunology, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge, UK
| | - Burcu Bestas
- Genome Engineering, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Bastian Schiffthaler
- Data Sciences & Quantitative Biology, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Björn Magnusson
- Translational Genomics, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Silvio Di Castro
- Compound Synthesis & Management, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Preeti Iyer
- Molecular AI, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Mohammad Bohlooly-Y
- Translational Genomics, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | | | - Steve Rees
- Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge, UK
| | - Ola Engkvist
- Molecular AI, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Tyrell Norris
- Cell Engineering Sweden, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | | | | | - Saša Šviković
- Genome Engineering, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Pinar Akcakaya
- Genome Engineering, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Amir Taheri-Ghahfarokhi
- Genome Engineering, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Marcello Maresca
- Genome Engineering, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden.
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11
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Carracedo M, Ericson E, Ågren R, Forslöw A, Madeyski-Bengtson K, Svensson A, Riddle R, Christoffersson J, González-King Garibotti H, Lazovic B, Hicks R, Buvall L, Fornoni A, Greasley PJ, Lal M. APOL1 promotes endothelial cell activation beyond the glomerulus. iScience 2023; 26:106830. [PMID: 37250770 PMCID: PMC10209455 DOI: 10.1016/j.isci.2023.106830] [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: 03/30/2023] [Revised: 04/27/2023] [Accepted: 05/03/2023] [Indexed: 05/31/2023] Open
Abstract
Apolipoprotein L1 (APOL1) high-risk genotypes are associated with increased risk of chronic kidney disease (CKD) in people of West African ancestry. Given the importance of endothelial cells (ECs) in CKD, we hypothesized that APOL1 high-risk genotypes may contribute to disease via EC-intrinsic activation and dysfunction. Single cell RNA sequencing (scRNA-seq) analysis of the Kidney Precision Medicine Project dataset revealed APOL1 expression in ECs from various renal vascular compartments. Utilizing two public transcriptomic datasets of kidney tissue from African Americans with CKD and a dataset of APOL1-expressing transgenic mice, we identified an EC activation signature; specifically, increased intercellular adhesion molecule 1 (ICAM-1) expression and enrichment in leukocyte migration pathways. In vitro, APOL1 expression in ECs derived from genetically modified human induced pluripotent stem cells and glomerular ECs triggered changes in ICAM-1 and platelet endothelial cell adhesion molecule 1 (PECAM-1) leading to an increase in monocyte attachment. Overall, our data suggest the involvement of APOL1 as an inducer of EC activation in multiple renal vascular beds with potential effects beyond the glomerular vasculature.
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Affiliation(s)
- Miguel Carracedo
- Bioscience Renal, Research and Early Development, Cardiovascular , Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Elke Ericson
- Genome Engineering, Discovery Biology, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Rasmus Ågren
- Translational Science and Experimental Medicine, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Anna Forslöw
- Translational Genomics, Discovery Biology, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Katja Madeyski-Bengtson
- Translational Genomics, Discovery Biology, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Anna Svensson
- Translational Genomics, Discovery Biology, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Rebecca Riddle
- Department of Pharmacology, University of Cambridge, Cambridge, UK
| | - Jonas Christoffersson
- Bioscience Cardiovascular, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Hernán González-King Garibotti
- Bioscience Cardiovascular, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Bojana Lazovic
- Genome Engineering, Discovery Biology, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
- BioPharmaceuticals R&D Cell Therapy, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), AstraZeneca, Gothenburg, Sweden
| | - Ryan Hicks
- BioPharmaceuticals R&D Cell Therapy, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), AstraZeneca, Gothenburg, Sweden
- School of Cardiovascular and Metabolic Medicine and Sciences, King’s College London, London, UK
| | - Lisa Buvall
- Bioscience Renal, Research and Early Development, Cardiovascular , Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Alessia Fornoni
- Katz Family Division of Nephrology and Hypertension, Department of Medicine, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
- Peggy and Harold Katz Family Drug Discovery Center, Miller School of Medicine, University of Miami, Miami, FL 33136, USA
| | - Peter J. Greasley
- Early Clinical Development, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Mark Lal
- Bioscience Renal, Research and Early Development, Cardiovascular , Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
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12
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Jiang W, Aman R, Ali Z, Mahfouz M. Bio-SCAN V2: A CRISPR/dCas9-based lateral flow assay for rapid detection of theophylline. Front Bioeng Biotechnol 2023; 11:1118684. [PMID: 36741753 PMCID: PMC9893010 DOI: 10.3389/fbioe.2023.1118684] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/07/2022] [Accepted: 01/09/2023] [Indexed: 01/20/2023] Open
Abstract
Rapid, specific, and robust diagnostic strategies are needed to develop sensitive biosensors for small molecule detection, which could aid in controlling contamination and disease transmission. Recently, the target-induced collateral activity of Cas nucleases [clustered regularly interspaced short palindromic repeats (CRISPR)-associated nucleases] was exploited to develop high-throughput diagnostic modules for detecting nucleic acids and small molecules. Here, we have expanded the diagnostic ability of the CRISPR-Cas system by developing Bio-SCAN V2, a ligand-responsive CRISPR-Cas platform for detecting non-nucleic acid small molecule targets. The Bio-SCAN V2 consists of an engineered ligand-responsive sgRNA (ligRNA), biotinylated dead Cas9 (dCas9-biotin), 6-carboxyfluorescein (FAM)-labeled amplicons, and lateral flow assay (LFA) strips. LigRNA interacts with dCas9-biotin only in the presence of sgRNA-specific ligand molecules to make a ribonucleoprotein (RNP). Next, the ligand-induced ribonucleoprotein is exposed to FAM-labeled amplicons for binding, and the presence of the ligand (small molecule) is detected as a visual signal [(dCas9-biotin)-ligRNA-FAM labeled DNA-AuNP complex] at the test line of the lateral flow assay strip. With the Bio-SCAN V2 platform, we are able to detect the model molecule theophylline with a limit of detection (LOD) up to 2 μM in a short time, requiring only 15 min from sample application to visual readout. Taken together, Bio-SCAN V2 assay provides a rapid, specific, and ultrasensitive detection platform for theophylline.
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13
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Jin Q, Liu X, Zhuang Z, Huang J, Gou S, Shi H, Zhao Y, Ouyang Z, Liu Z, Li L, Mao J, Ge W, Chen F, Yu M, Guan Y, Ye Y, Tang C, Huang R, Wang K, Lai L. Doxycycline-dependent Cas9-expressing pig resources for conditional in vivo gene nullification and activation. Genome Biol 2023; 24:8. [PMID: 36650523 PMCID: PMC9843877 DOI: 10.1186/s13059-023-02851-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/05/2022] [Accepted: 01/06/2023] [Indexed: 01/18/2023] Open
Abstract
BACKGROUND CRISPR-based toolkits have dramatically increased the ease of genome and epigenome editing. SpCas9 is the most widely used nuclease. However, the difficulty of delivering SpCas9 and inability to modulate its expression in vivo hinder its widespread adoption in large animals. RESULTS Here, to circumvent these obstacles, a doxycycline-inducible SpCas9-expressing (DIC) pig model was generated by precise knock-in of the binary tetracycline-inducible expression elements into the Rosa26 and Hipp11 loci, respectively. With this pig model, in vivo and/or in vitro genome and epigenome editing could be easily realized. On the basis of the DIC system, a convenient Cas9-based conditional knockout strategy was devised through controlling the expression of rtTA component by tissue-specific promoter, which allows the one-step generation of germline-inherited pigs enabling in vivo spatiotemporal control of gene function under simple chemical induction. To validate the feasibility of in vivo gene mutation with DIC pigs, primary and metastatic pancreatic ductal adenocarcinoma was developed by delivering a single AAV6 vector containing TP53-sgRNA, LKB1-sgRNA, and mutant human KRAS gene into the adult pancreases. CONCLUSIONS Together, these results suggest that DIC pig resources will provide a powerful tool for conditional in vivo genome and epigenome modification for fundamental and applied research.
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Affiliation(s)
- Qin Jin
- grid.428926.30000 0004 1798 2725China-New Zealand Joint Laboratory on Biomedicine and Health, CAS Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Centre for Regenerative Medicine and Health, Hong Kong Institute of Science and Innovation, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530 China ,Research Unit of Generation of Large Animal Disease Models, Chinese Academy of Medical Sciences (2019RU015), Guangzhou, 510530 China ,Sanya Institute of Swine Resource, Hainan Provincial Research Centre of Laboratory Animals, Sanya, 572000 China
| | - Xiaoyi Liu
- grid.428926.30000 0004 1798 2725China-New Zealand Joint Laboratory on Biomedicine and Health, CAS Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Centre for Regenerative Medicine and Health, Hong Kong Institute of Science and Innovation, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530 China ,grid.410726.60000 0004 1797 8419University of Chinese Academy of Sciences, Beijing, 100049 China
| | - Zhenpeng Zhuang
- grid.428926.30000 0004 1798 2725China-New Zealand Joint Laboratory on Biomedicine and Health, CAS Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Centre for Regenerative Medicine and Health, Hong Kong Institute of Science and Innovation, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530 China ,grid.410726.60000 0004 1797 8419University of Chinese Academy of Sciences, Beijing, 100049 China
| | - Jiayuan Huang
- grid.464317.3Guangdong Provincial Key Laboratory of Laboratory Animals, Guangdong Laboratory Animals Monitoring Institute, Guangzhou, 510633 China
| | - Shixue Gou
- grid.428926.30000 0004 1798 2725China-New Zealand Joint Laboratory on Biomedicine and Health, CAS Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Centre for Regenerative Medicine and Health, Hong Kong Institute of Science and Innovation, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530 China ,Sanya Institute of Swine Resource, Hainan Provincial Research Centre of Laboratory Animals, Sanya, 572000 China
| | - Hui Shi
- grid.428926.30000 0004 1798 2725China-New Zealand Joint Laboratory on Biomedicine and Health, CAS Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Centre for Regenerative Medicine and Health, Hong Kong Institute of Science and Innovation, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530 China ,Sanya Institute of Swine Resource, Hainan Provincial Research Centre of Laboratory Animals, Sanya, 572000 China
| | - Yu Zhao
- grid.428926.30000 0004 1798 2725China-New Zealand Joint Laboratory on Biomedicine and Health, CAS Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Centre for Regenerative Medicine and Health, Hong Kong Institute of Science and Innovation, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530 China ,Research Unit of Generation of Large Animal Disease Models, Chinese Academy of Medical Sciences (2019RU015), Guangzhou, 510530 China ,Sanya Institute of Swine Resource, Hainan Provincial Research Centre of Laboratory Animals, Sanya, 572000 China ,grid.500400.10000 0001 2375 7370Guangdong Provincial Key Laboratory of Large Animal models for Biomedicine, School of Biotechnology and Health Science, Wuyi University, Jiangmen, 529020 China
| | - Zhen Ouyang
- grid.428926.30000 0004 1798 2725China-New Zealand Joint Laboratory on Biomedicine and Health, CAS Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Centre for Regenerative Medicine and Health, Hong Kong Institute of Science and Innovation, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530 China ,Research Unit of Generation of Large Animal Disease Models, Chinese Academy of Medical Sciences (2019RU015), Guangzhou, 510530 China ,Sanya Institute of Swine Resource, Hainan Provincial Research Centre of Laboratory Animals, Sanya, 572000 China ,grid.500400.10000 0001 2375 7370Guangdong Provincial Key Laboratory of Large Animal models for Biomedicine, School of Biotechnology and Health Science, Wuyi University, Jiangmen, 529020 China
| | - Zhaoming Liu
- grid.428926.30000 0004 1798 2725China-New Zealand Joint Laboratory on Biomedicine and Health, CAS Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Centre for Regenerative Medicine and Health, Hong Kong Institute of Science and Innovation, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530 China ,Research Unit of Generation of Large Animal Disease Models, Chinese Academy of Medical Sciences (2019RU015), Guangzhou, 510530 China ,Sanya Institute of Swine Resource, Hainan Provincial Research Centre of Laboratory Animals, Sanya, 572000 China ,grid.500400.10000 0001 2375 7370Guangdong Provincial Key Laboratory of Large Animal models for Biomedicine, School of Biotechnology and Health Science, Wuyi University, Jiangmen, 529020 China
| | - Lei Li
- grid.428926.30000 0004 1798 2725China-New Zealand Joint Laboratory on Biomedicine and Health, CAS Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Centre for Regenerative Medicine and Health, Hong Kong Institute of Science and Innovation, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530 China ,grid.410726.60000 0004 1797 8419University of Chinese Academy of Sciences, Beijing, 100049 China
| | - Junjie Mao
- grid.428926.30000 0004 1798 2725China-New Zealand Joint Laboratory on Biomedicine and Health, CAS Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Centre for Regenerative Medicine and Health, Hong Kong Institute of Science and Innovation, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530 China ,Sanya Institute of Swine Resource, Hainan Provincial Research Centre of Laboratory Animals, Sanya, 572000 China
| | - Weikai Ge
- grid.428926.30000 0004 1798 2725China-New Zealand Joint Laboratory on Biomedicine and Health, CAS Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Centre for Regenerative Medicine and Health, Hong Kong Institute of Science and Innovation, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530 China ,Sanya Institute of Swine Resource, Hainan Provincial Research Centre of Laboratory Animals, Sanya, 572000 China ,grid.500400.10000 0001 2375 7370Guangdong Provincial Key Laboratory of Large Animal models for Biomedicine, School of Biotechnology and Health Science, Wuyi University, Jiangmen, 529020 China
| | - Fangbing Chen
- grid.428926.30000 0004 1798 2725China-New Zealand Joint Laboratory on Biomedicine and Health, CAS Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Centre for Regenerative Medicine and Health, Hong Kong Institute of Science and Innovation, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530 China ,Sanya Institute of Swine Resource, Hainan Provincial Research Centre of Laboratory Animals, Sanya, 572000 China ,grid.500400.10000 0001 2375 7370Guangdong Provincial Key Laboratory of Large Animal models for Biomedicine, School of Biotechnology and Health Science, Wuyi University, Jiangmen, 529020 China
| | - Manya Yu
- grid.428926.30000 0004 1798 2725China-New Zealand Joint Laboratory on Biomedicine and Health, CAS Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Centre for Regenerative Medicine and Health, Hong Kong Institute of Science and Innovation, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530 China ,grid.410737.60000 0000 8653 1072Joint School of Life Sciences, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou Medical University, Guangzhou, 510530 China
| | - Yezhi Guan
- grid.464317.3Guangdong Provincial Key Laboratory of Laboratory Animals, Guangdong Laboratory Animals Monitoring Institute, Guangzhou, 510633 China
| | - Yinghua Ye
- grid.428926.30000 0004 1798 2725China-New Zealand Joint Laboratory on Biomedicine and Health, CAS Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Centre for Regenerative Medicine and Health, Hong Kong Institute of Science and Innovation, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530 China ,Research Unit of Generation of Large Animal Disease Models, Chinese Academy of Medical Sciences (2019RU015), Guangzhou, 510530 China ,Sanya Institute of Swine Resource, Hainan Provincial Research Centre of Laboratory Animals, Sanya, 572000 China
| | - Chengcheng Tang
- grid.500400.10000 0001 2375 7370Guangdong Provincial Key Laboratory of Large Animal models for Biomedicine, School of Biotechnology and Health Science, Wuyi University, Jiangmen, 529020 China
| | - Ren Huang
- grid.464317.3Guangdong Provincial Key Laboratory of Laboratory Animals, Guangdong Laboratory Animals Monitoring Institute, Guangzhou, 510633 China
| | - Kepin Wang
- grid.428926.30000 0004 1798 2725China-New Zealand Joint Laboratory on Biomedicine and Health, CAS Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Centre for Regenerative Medicine and Health, Hong Kong Institute of Science and Innovation, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530 China ,Research Unit of Generation of Large Animal Disease Models, Chinese Academy of Medical Sciences (2019RU015), Guangzhou, 510530 China ,Sanya Institute of Swine Resource, Hainan Provincial Research Centre of Laboratory Animals, Sanya, 572000 China ,grid.500400.10000 0001 2375 7370Guangdong Provincial Key Laboratory of Large Animal models for Biomedicine, School of Biotechnology and Health Science, Wuyi University, Jiangmen, 529020 China
| | - Liangxue Lai
- grid.428926.30000 0004 1798 2725China-New Zealand Joint Laboratory on Biomedicine and Health, CAS Key Laboratory of Regenerative Biology, Guangdong Provincial Key Laboratory of Stem Cell and Regenerative Medicine, Centre for Regenerative Medicine and Health, Hong Kong Institute of Science and Innovation, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou, 510530 China ,Research Unit of Generation of Large Animal Disease Models, Chinese Academy of Medical Sciences (2019RU015), Guangzhou, 510530 China ,Sanya Institute of Swine Resource, Hainan Provincial Research Centre of Laboratory Animals, Sanya, 572000 China ,grid.500400.10000 0001 2375 7370Guangdong Provincial Key Laboratory of Large Animal models for Biomedicine, School of Biotechnology and Health Science, Wuyi University, Jiangmen, 529020 China ,grid.410737.60000 0000 8653 1072Joint School of Life Sciences, Guangzhou Institutes of Biomedicine and Health, Chinese Academy of Sciences, Guangzhou Medical University, Guangzhou, 510530 China
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14
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In through the Out Exit: the Role of the Exocyst in Listeria monocytogenes Cell Entry. Infect Immun 2022; 90:e0048422. [PMID: 36394320 PMCID: PMC9753639 DOI: 10.1128/iai.00484-22] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/19/2022] Open
Abstract
The intracellular pathogen Listeria monocytogenes is one of the leading causes of death from foodborne illness in the United States. Internalin A is the key surface protein that drives Listeria uptake by epithelial cells expressing E-cadherin. G. C. Gyanwali, T. U. B. Herath, A. Gianfelice, and K. Ireton (Infect Immun 90:e00326-22, 2022, https://doi.org/10.1128/iai.00326-22) unravel the close relationship between internalin A and the exocyst, adding another layer of complexity to the bacterial internalization process.
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15
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Sapozhnikov DM, Szyf M. Enzyme-free targeted DNA demethylation using CRISPR-dCas9-based steric hindrance to identify DNA methylation marks causal to altered gene expression. Nat Protoc 2022; 17:2840-2881. [PMID: 36207463 DOI: 10.1038/s41596-022-00741-3] [Citation(s) in RCA: 5] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/19/2022] [Accepted: 06/22/2022] [Indexed: 11/09/2022]
Abstract
DNA methylation involves the enzymatic addition of a methyl group primarily to cytosine residues in DNA. This protocol describes how to produce complete and minimally confounded DNA demethylation of specific sites in the genome of cultured cells by clustered regularly interspaced short palindromic repeats (CRISPR)-dCas9 and without the involvement of an epigenetic-modifying enzyme, the purpose of which is the evaluation of the functional (i.e., gene expression or phenotypic) consequences of DNA demethylation of specific sites that have been previously implicated in particular pathological or physiological contexts. This protocol maximizes the ability of the easily reprogrammable CRISPR-dCas9 system to assess the impact of DNA methylation from a causal rather than correlational perspective: alternative protocols for CRISPR-dCas9-based site-specific DNA methylation or demethylation rely on the recruitment of epigenetic enzymes that exhibit additional nonspecific activities at both the targeted site and throughout the genome, confounding conclusions of causality of DNA methylation. Inhibition or loss of DNA methylation is accomplished by three consecutive lentiviral transductions. The first two lentiviruses establish stable expression of dCas9 and a guide RNA, which will physically obstruct either maintenance or de novo DNA methyltransferase activity at the guide RNA target site. A third lentivirus introduces Cre recombinase to delete the dCas9 transgene, which leads to loss of dCas9 from the target site, allowing transcription factors and/or the transcription machinery to interact with the demethylated target site. This protocol requires 3-8 months to complete owing to prolonged cell passaging times, but there is little hands-on time, and no specific skills beyond basic molecular biology techniques are necessary.
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Affiliation(s)
- Daniel M Sapozhnikov
- Department of Pharmacology and Therapeutics, Faculty of Medicine, McGill University, Montreal, Quebec, Canada
| | - Moshe Szyf
- Department of Pharmacology and Therapeutics, Faculty of Medicine, McGill University, Montreal, Quebec, Canada.
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16
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Buvall L, Menzies RI, Williams J, Woollard KJ, Kumar C, Granqvist AB, Fritsch M, Feliers D, Reznichenko A, Gianni D, Petrovski S, Bendtsen C, Bohlooly-Y M, Haefliger C, Danielson RF, Hansen PBL. Selecting the right therapeutic target for kidney disease. Front Pharmacol 2022; 13:971065. [DOI: 10.3389/fphar.2022.971065] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/16/2022] [Accepted: 10/17/2022] [Indexed: 11/06/2022] Open
Abstract
Kidney disease is a complex disease with several different etiologies and underlying associated pathophysiology. This is reflected by the lack of effective treatment therapies in chronic kidney disease (CKD) that stop disease progression. However, novel strategies, recent scientific breakthroughs, and technological advances have revealed new possibilities for finding novel disease drivers in CKD. This review describes some of the latest advances in the field and brings them together in a more holistic framework as applied to identification and validation of disease drivers in CKD. It uses high-resolution ‘patient-centric’ omics data sets, advanced in silico tools (systems biology, connectivity mapping, and machine learning) and ‘state-of-the-art‘ experimental systems (complex 3D systems in vitro, CRISPR gene editing, and various model biological systems in vivo). Application of such a framework is expected to increase the likelihood of successful identification of novel drug candidates based on strong human target validation and a better scientific understanding of underlying mechanisms.
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17
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Chakraborty A, Hanson L, Robinson D, Lewis H, Bickerton S, Davies M, Polanski R, Whiteley R, Koers A, Atkinson J, Baker T, del Barco Barrantes I, Ciotta G, Kettle JG, Magiera L, Martins CP, Peter A, Wigmore E, Underwood Z, Cosulich S, Niedbala M, Ross S. AZD4625 is a Potent and Selective Inhibitor of KRASG12C. Mol Cancer Ther 2022; 21:1535-1546. [PMID: 35930755 PMCID: PMC9538594 DOI: 10.1158/1535-7163.mct-22-0241] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/05/2022] [Revised: 06/19/2022] [Accepted: 08/03/2022] [Indexed: 01/07/2023]
Abstract
AZD4625 is a potent, selective, and orally bioavailable inhibitor of oncogenic KRASG12C as demonstrated in cellular assays and in vivo in preclinical cell line-derived and patient-derived xenograft models. In vitro and cellular assays have shown selective binding and inhibition of the KRASG12C mutant isoform, which carries a glycine to cysteine mutation at residue 12, with no binding and inhibition of wild-type RAS or isoforms carrying non-KRASG12C mutations. The pharmacology of AZD4625 shows that it has the potential to provide therapeutic benefit to patients with KRASG12C mutant cancer as either a monotherapy treatment or in combination with other targeted drug agents.
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Affiliation(s)
| | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | | - Sarah Ross
- AstraZeneca, Cambridge, United Kingdom.,Corresponding Author: Sarah Ross, Bioscience, Oncology R&D, AstraZeneca, Cambridge CB2 0RE, United Kingdom. Phone: +44 (0) 7584 909550; E-mail:
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18
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Shin S, Jang S, Lim D. Small Molecules for Enhancing the Precision and Safety of Genome Editing. Molecules 2022; 27:6266. [PMID: 36234804 PMCID: PMC9573751 DOI: 10.3390/molecules27196266] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/30/2022] [Revised: 09/17/2022] [Accepted: 09/20/2022] [Indexed: 11/24/2022] Open
Abstract
Clustered regularly interspaced short palindromic repeats (CRISPR)-based genome-editing technologies have revolutionized biology, biotechnology, and medicine, and have spurred the development of new therapeutic modalities. However, there remain several barriers to the safe use of CRISPR technologies, such as unintended off-target DNA cleavages. Small molecules are important resources to solve these problems, given their facile delivery and fast action to enable temporal control of the CRISPR systems. Here, we provide a comprehensive overview of small molecules that can precisely modulate CRISPR-associated (Cas) nucleases and guide RNAs (gRNAs). We also discuss the small-molecule control of emerging genome editors (e.g., base editors) and anti-CRISPR proteins. These molecules could be used for the precise investigation of biological systems and the development of safer therapeutic modalities.
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Affiliation(s)
- Siyoon Shin
- School of Biopharmaceutical and Medical Sciences, Sungshin University, Seoul 01133, Korea
- Department of Next-Generation Applied Science, Sungshin University, Seoul 01133, Korea
| | - Seeun Jang
- School of Biopharmaceutical and Medical Sciences, Sungshin University, Seoul 01133, Korea
- Department of Next-Generation Applied Science, Sungshin University, Seoul 01133, Korea
| | - Donghyun Lim
- School of Biopharmaceutical and Medical Sciences, Sungshin University, Seoul 01133, Korea
- Department of Next-Generation Applied Science, Sungshin University, Seoul 01133, Korea
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19
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Trush O, Takasato M. Kidney organoid research: current status and applications. Curr Opin Genet Dev 2022; 75:101944. [PMID: 35785592 DOI: 10.1016/j.gde.2022.101944] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/08/2022] [Revised: 05/19/2022] [Accepted: 05/25/2022] [Indexed: 11/03/2022]
Abstract
Organoids are being widely introduced as novel research models in multiple research fields. Human-induced pluripotent stem cells-derived kidney organoids became an indispensable tool to study human kidney development, model various diseases and infections leading to kidney damage, and offer a new route towards better drug development and validation, personalized drug screening, and regenerative medicine. In this review, we provide an update of the most recent developments in kidney organoid induction: their main goals, advantages, and shortcomings. We further discuss their current applications in providing modeling and treatment avenues to various kidney injuries, their use in genome-wide screening of kidney diseases, and the cell interactions occurring in these kidney structures.
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Affiliation(s)
- Olena Trush
- Laboratory for Human Organogenesis, RIKEN Center for Biosystems Dynamics Research, Kobe 650-0047, Japan
| | - Minoru Takasato
- Laboratory for Human Organogenesis, RIKEN Center for Biosystems Dynamics Research, Kobe 650-0047, Japan; Laboratory of Molecular Cell Biology and Development, Department of Animal Development and Physiology, Graduate School of Biostudies, Kyoto University, Kyoto 606-8501, Japan; Department of Development and Regeneration, Graduate School of Medicine, Osaka University, Suita 565-0871, Japan.
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20
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Abstract
Over the past decade, CRISPR has become as much a verb as it is an acronym, transforming biomedical research and providing entirely new approaches for dissecting all facets of cell biology. In cancer research, CRISPR and related tools have offered a window into previously intractable problems in our understanding of cancer genetics, the noncoding genome and tumour heterogeneity, and provided new insights into therapeutic vulnerabilities. Here, we review the progress made in the development of CRISPR systems as a tool to study cancer, and the emerging adaptation of these technologies to improve diagnosis and treatment.
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Affiliation(s)
- Alyna Katti
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA
- Weill Cornell Graduate School of Medical Science, Weill Cornell Medicine, New York, NY, USA
| | - Bianca J Diaz
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA
- Weill Cornell Graduate School of Medical Science, Weill Cornell Medicine, New York, NY, USA
| | - Christina M Caragine
- Department of Biology, New York University, New York, NY, USA
- New York Genome Center, New York, NY, USA
| | - Neville E Sanjana
- Department of Biology, New York University, New York, NY, USA.
- New York Genome Center, New York, NY, USA.
| | - Lukas E Dow
- Meyer Cancer Center, Weill Cornell Medicine, New York, NY, USA.
- Department of Medicine, Weill Cornell Medicine, New York, NY, USA.
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21
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Kaltenbacher T, Löprich J, Maresch R, Weber J, Müller S, Oellinger R, Groß N, Griger J, de Andrade Krätzig N, Avramopoulos P, Ramanujam D, Brummer S, Widholz SA, Bärthel S, Falcomatà C, Pfaus A, Alnatsha A, Mayerle J, Schmidt-Supprian M, Reichert M, Schneider G, Ehmer U, Braun CJ, Saur D, Engelhardt S, Rad R. CRISPR somatic genome engineering and cancer modeling in the mouse pancreas and liver. Nat Protoc 2022; 17:1142-1188. [PMID: 35288718 DOI: 10.1038/s41596-021-00677-0] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/28/2021] [Accepted: 12/07/2021] [Indexed: 12/23/2022]
Abstract
Genetically engineered mouse models (GEMMs) transformed the study of organismal disease phenotypes but are limited by their lengthy generation in embryonic stem cells. Here, we describe methods for rapid and scalable genome engineering in somatic cells of the liver and pancreas through delivery of CRISPR components into living mice. We introduce the spectrum of genetic tools, delineate viral and nonviral CRISPR delivery strategies and describe a series of applications, ranging from gene editing and cancer modeling to chromosome engineering or CRISPR multiplexing and its spatio-temporal control. Beyond experimental design and execution, the protocol describes quantification of genetic and functional editing outcomes, including sequencing approaches, data analysis and interpretation. Compared to traditional knockout mice, somatic GEMMs face an increased risk for mouse-to-mouse variability because of the higher experimental demands of the procedures. The robust protocols described here will help unleash the full potential of somatic genome manipulation. Depending on the delivery method and envisaged application, the protocol takes 3-5 weeks.
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Affiliation(s)
- Thorsten Kaltenbacher
- Institute of Molecular Oncology and Functional Genomics, School of Medicine, Technical University of Munich, Munich, Germany.,Center for Translational Cancer Research (TranslaTUM), School of Medicine, Technical University of Munich, Munich, Germany
| | - Jessica Löprich
- Institute of Molecular Oncology and Functional Genomics, School of Medicine, Technical University of Munich, Munich, Germany.,Center for Translational Cancer Research (TranslaTUM), School of Medicine, Technical University of Munich, Munich, Germany
| | - Roman Maresch
- Institute of Molecular Oncology and Functional Genomics, School of Medicine, Technical University of Munich, Munich, Germany.,Center for Translational Cancer Research (TranslaTUM), School of Medicine, Technical University of Munich, Munich, Germany
| | - Julia Weber
- Institute of Molecular Oncology and Functional Genomics, School of Medicine, Technical University of Munich, Munich, Germany.,Center for Translational Cancer Research (TranslaTUM), School of Medicine, Technical University of Munich, Munich, Germany
| | - Sebastian Müller
- Institute of Molecular Oncology and Functional Genomics, School of Medicine, Technical University of Munich, Munich, Germany.,Center for Translational Cancer Research (TranslaTUM), School of Medicine, Technical University of Munich, Munich, Germany
| | - Rupert Oellinger
- Institute of Molecular Oncology and Functional Genomics, School of Medicine, Technical University of Munich, Munich, Germany.,Center for Translational Cancer Research (TranslaTUM), School of Medicine, Technical University of Munich, Munich, Germany
| | - Nina Groß
- Institute of Molecular Oncology and Functional Genomics, School of Medicine, Technical University of Munich, Munich, Germany.,Center for Translational Cancer Research (TranslaTUM), School of Medicine, Technical University of Munich, Munich, Germany
| | - Joscha Griger
- Institute of Molecular Oncology and Functional Genomics, School of Medicine, Technical University of Munich, Munich, Germany.,Center for Translational Cancer Research (TranslaTUM), School of Medicine, Technical University of Munich, Munich, Germany
| | - Niklas de Andrade Krätzig
- Institute of Molecular Oncology and Functional Genomics, School of Medicine, Technical University of Munich, Munich, Germany.,Center for Translational Cancer Research (TranslaTUM), School of Medicine, Technical University of Munich, Munich, Germany
| | - Petros Avramopoulos
- Institute of Pharmacology and Toxicology, Technical University of Munich, Munich, Germany.,DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany
| | - Deepak Ramanujam
- Institute of Pharmacology and Toxicology, Technical University of Munich, Munich, Germany.,DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany
| | - Sabine Brummer
- Institute of Pharmacology and Toxicology, Technical University of Munich, Munich, Germany
| | - Sebastian A Widholz
- Institute of Molecular Oncology and Functional Genomics, School of Medicine, Technical University of Munich, Munich, Germany.,Center for Translational Cancer Research (TranslaTUM), School of Medicine, Technical University of Munich, Munich, Germany
| | - Stefanie Bärthel
- Center for Translational Cancer Research (TranslaTUM), School of Medicine, Technical University of Munich, Munich, Germany.,Institute of Experimental Cancer Therapy, Technical University of Munich, Munich, Germany
| | - Chiara Falcomatà
- Center for Translational Cancer Research (TranslaTUM), School of Medicine, Technical University of Munich, Munich, Germany.,Institute of Experimental Cancer Therapy, Technical University of Munich, Munich, Germany
| | - Anja Pfaus
- Institute of Molecular Oncology and Functional Genomics, School of Medicine, Technical University of Munich, Munich, Germany.,Center for Translational Cancer Research (TranslaTUM), School of Medicine, Technical University of Munich, Munich, Germany
| | - Ahmed Alnatsha
- Department of Medicine II, University Hospital, LMU Munich, Munich, Germany
| | - Julia Mayerle
- Department of Medicine II, University Hospital, LMU Munich, Munich, Germany.,German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Marc Schmidt-Supprian
- Center for Translational Cancer Research (TranslaTUM), School of Medicine, Technical University of Munich, Munich, Germany.,German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany.,Institute of Experimental Hematology, School of Medicine, Technical University of Munich, Munich, Germany
| | - Maximilian Reichert
- Department of Medicine II, Klinikum rechts der Isar, School of Medicine, Technical University of Munich, Munich, Germany
| | - Günter Schneider
- Department of Medicine II, Klinikum rechts der Isar, School of Medicine, Technical University of Munich, Munich, Germany
| | - Ursula Ehmer
- Department of Medicine II, Klinikum rechts der Isar, School of Medicine, Technical University of Munich, Munich, Germany
| | - Christian J Braun
- Institute of Molecular Oncology and Functional Genomics, School of Medicine, Technical University of Munich, Munich, Germany.,Department of Pediatrics, Dr. von Hauner Children's Hospital, University Hospital, LMU Munich, Munich, Germany.,Hopp Children's Cancer Center Heidelberg (KiTZ), German Cancer Research Center (DKFZ), Heidelberg, Germany
| | - Dieter Saur
- Center for Translational Cancer Research (TranslaTUM), School of Medicine, Technical University of Munich, Munich, Germany.,Institute of Experimental Cancer Therapy, Technical University of Munich, Munich, Germany.,German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany.,Department of Medicine II, Klinikum rechts der Isar, School of Medicine, Technical University of Munich, Munich, Germany
| | - Stefan Engelhardt
- Institute of Pharmacology and Toxicology, Technical University of Munich, Munich, Germany.,DZHK (German Centre for Cardiovascular Research), Partner Site Munich Heart Alliance, Munich, Germany
| | - Roland Rad
- Institute of Molecular Oncology and Functional Genomics, School of Medicine, Technical University of Munich, Munich, Germany. .,Center for Translational Cancer Research (TranslaTUM), School of Medicine, Technical University of Munich, Munich, Germany. .,German Cancer Consortium (DKTK), German Cancer Research Center (DKFZ), Heidelberg, Germany. .,Department of Medicine II, Klinikum rechts der Isar, School of Medicine, Technical University of Munich, Munich, Germany.
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22
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Vaclova T, Chakraborty A, Sherwood J, Ross S, Carroll D, Barrett JC, Downward J, de Bruin EC. Concomitant KRAS mutations attenuate sensitivity of non-small cell lung cancer cells to KRAS G12C inhibition. Sci Rep 2022; 12:2699. [PMID: 35177674 PMCID: PMC8854729 DOI: 10.1038/s41598-022-06369-3] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/11/2021] [Accepted: 01/17/2022] [Indexed: 12/17/2022] Open
Abstract
The development of covalent inhibitors against KRAS G12C represents a major milestone in treatment of RAS-driven cancers, especially in non-small cell lung cancer (NSCLC), where KRAS G12C is one of the most common oncogenic driver. Here we investigated if additional KRAS mutations co-occur with KRAS G12C (c.34G>T) in NSCLC tumours and if such mutation co-occurrence affects cellular response to G12C-specific inhibitors. Analysis of a large cohort of NSCLC patients whose tumours harboured KRAS mutations revealed co-occurring KRAS mutations in up to 8% of tumours with the KRAS c.34G>T mutation. KRAS c.35G>T was the most frequently co-occurring mutation, and could occur on the same allele (in cis) translating to a single mutant KRAS G12F protein, or on the other allele (in trans), translating to separate G12C and G12V mutant proteins. Introducing KRAS c.35G>T in trans in the KRAS G12C lung cancer model NCI-H358, as well as the co-occurrence in cis in the KRAS G12F lung cancer model NCI-H2291 led to cellular resistance to the G12C-specific inhibitor AZ’8037 due to continuing active MAPK and PI3K cascades in the presence of the inhibitor. Overall, our study provides a comprehensive assessment of co-occurring KRAS mutations in NSCLC and in vitro evidence of the negative impact of co-occurring KRAS mutations on cellular response to G12C inhibitors, highlighting the need for a comprehensive KRAS tumour genotyping for optimal patient selection for treatment with a KRAS G12C inhibitor.
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Affiliation(s)
- Tereza Vaclova
- Translational Medicine, Oncology, AstraZeneca, Cambridge, CB4 0WG, UK
| | | | - James Sherwood
- Precision Medicine and Biosamples, BioPharmaceutical, AstraZeneca, Cambridge, CB4 0WG, UK
| | - Sarah Ross
- Bioscience, Oncology, AstraZeneca, Cambridge, CB2 0RE, UK
| | - Danielle Carroll
- Translational Medicine, Oncology, AstraZeneca, Cambridge, CB4 0WG, UK
| | - J Carl Barrett
- Translational Medicine, Oncology, AstraZeneca, Waltham, MA, 02451, USA
| | - Julian Downward
- Oncogene Biology, Francis Crick Institute, London, NW1 1AT, UK
| | - Elza C de Bruin
- Translational Medicine, Oncology, AstraZeneca, Cambridge, CB4 0WG, UK.
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23
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Khajanchi N, Saha K. Controlling CRISPR with small molecule regulation for somatic cell genome editing. Mol Ther 2022; 30:17-31. [PMID: 34174442 PMCID: PMC8753294 DOI: 10.1016/j.ymthe.2021.06.014] [Citation(s) in RCA: 4] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/31/2021] [Revised: 05/26/2021] [Accepted: 06/21/2021] [Indexed: 01/07/2023] Open
Abstract
Biomedical research has been revolutionized by the introduction of many CRISPR-Cas systems that induce programmable edits to nearly any gene in the human genome. Nuclease-based CRISPR-Cas editors can produce on-target genomic changes but can also generate unwanted genotoxicity and adverse events, in part by cleaving non-targeted sites in the genome. Additional translational challenges for in vivo somatic cell editing include limited packaging capacity of viral vectors and host immune responses. Altogether, these challenges motivate recent efforts to control the expression and activity of different Cas systems in vivo. Current strategies utilize small molecules, light, magnetism, and temperature to conditionally control Cas systems through various activation, inhibition, or degradation mechanisms. This review focuses on small molecules that can be incorporated as regulatory switches to control Cas genome editors. Additional development of CRISPR-Cas-based therapeutic approaches with small molecule regulation have high potential to increase editing efficiency with less adverse effects for somatic cell genome editing strategies in vivo.
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Affiliation(s)
- Namita Khajanchi
- Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA
| | - Krishanu Saha
- Department of Biomedical Engineering, University of Wisconsin-Madison, Madison, WI 53706, USA; Wisconsin Institute for Discovery, University of Wisconsin-Madison, Madison, WI 53715, USA.
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24
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Kiourtis C, Wilczynska A, Nixon C, Clark W, May S, Bird TG. Specificity and off-target effects of AAV8-TBG viral vectors for the manipulation of hepatocellular gene expression in mice. Biol Open 2021; 10:271899. [PMID: 34435198 PMCID: PMC8487635 DOI: 10.1242/bio.058678] [Citation(s) in RCA: 23] [Impact Index Per Article: 7.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/26/2021] [Accepted: 08/17/2021] [Indexed: 12/12/2022] Open
Abstract
Mice are a widely used pre-clinical model system in large part due to their potential for genetic manipulation. The ability to manipulate gene expression in specific cells under temporal control is a powerful experimental tool. The liver is central to metabolic homeostasis and a site of many diseases, making the targeting of hepatocytes attractive. Adeno-associated virus 8 (AAV8) vectors are valuable instruments for the manipulation of hepatocellular gene expression. However, their off-target effects in mice have not been thoroughly explored. Here, we sought to identify the short-term off-target effects of AAV8 administration in mice. To do this, we injected C57BL/6J wild-type mice with either recombinant AAV8 vectors expressing Cre recombinase or control AAV8 vectors and characterised the changes in general health and in liver physiology, histology and transcriptomics compared to uninjected controls. We observed an acute and transient trend for reduction in homeostatic liver proliferation together with induction of the DNA damage marker γH2AX following AAV8 administration. The latter was enhanced upon Cre recombinase expression by the vector. Furthermore, we observed transcriptional changes in genes involved in circadian rhythm and response to infection. Notably, there were no additional transcriptomic changes upon expression of Cre recombinase by the AAV8 vector. Overall, there was no evidence of liver injury, and only mild T-cell infiltration was observed 14 days following AAV8 infection. These data advance the technique of hepatocellular genome editing through Cre-Lox recombination using Cre expressing AAV vectors, demonstrating their minimal effects on murine physiology and highlight the more subtle off target effects of these systems.
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Affiliation(s)
- Christos Kiourtis
- Cancer Research UK Beatson Institute, Glasgow G61 1BD, UK.,Institute of Cancer Sciences, University of Glasgow, Glasgow G61 1QH, United Kingdom
| | - Ania Wilczynska
- Cancer Research UK Beatson Institute, Glasgow G61 1BD, UK.,Institute of Cancer Sciences, University of Glasgow, Glasgow G61 1QH, United Kingdom
| | - Colin Nixon
- Cancer Research UK Beatson Institute, Glasgow G61 1BD, UK
| | - William Clark
- Cancer Research UK Beatson Institute, Glasgow G61 1BD, UK
| | - Stephanie May
- Cancer Research UK Beatson Institute, Glasgow G61 1BD, UK
| | - Thomas G Bird
- Cancer Research UK Beatson Institute, Glasgow G61 1BD, UK.,MRC Centre for Inflammation Research, The Queen's Medical Research Institute, University of Edinburgh, Edinburgh EH164TJ, UK
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25
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Dawes JC, Uren AG. Forward and Reverse Genetics of B Cell Malignancies: From Insertional Mutagenesis to CRISPR-Cas. Front Immunol 2021; 12:670280. [PMID: 34484175 PMCID: PMC8414522 DOI: 10.3389/fimmu.2021.670280] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/20/2021] [Accepted: 07/09/2021] [Indexed: 12/21/2022] Open
Abstract
Cancer genome sequencing has identified dozens of mutations with a putative role in lymphomagenesis and leukemogenesis. Validation of driver mutations responsible for B cell neoplasms is complicated by the volume of mutations worthy of investigation and by the complex ways that multiple mutations arising from different stages of B cell development can cooperate. Forward and reverse genetic strategies in mice can provide complementary validation of human driver genes and in some cases comparative genomics of these models with human tumors has directed the identification of new drivers in human malignancies. We review a collection of forward genetic screens performed using insertional mutagenesis, chemical mutagenesis and exome sequencing and discuss how the high coverage of subclonal mutations in insertional mutagenesis screens can identify cooperating mutations at rates not possible using human tumor genomes. We also compare a set of independently conducted screens from Pax5 mutant mice that converge upon a common set of mutations observed in human acute lymphoblastic leukemia (ALL). We also discuss reverse genetic models and screens that use CRISPR-Cas, ORFs and shRNAs to provide high throughput in vivo proof of oncogenic function, with an emphasis on models using adoptive transfer of ex vivo cultured cells. Finally, we summarize mouse models that offer temporal regulation of candidate genes in an in vivo setting to demonstrate the potential of their encoded proteins as therapeutic targets.
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Affiliation(s)
- Joanna C Dawes
- Medical Research Council, London Institute of Medical Sciences, London, United Kingdom.,Institute of Clinical Sciences (ICS), Faculty of Medicine, Imperial College London, London, United Kingdom
| | - Anthony G Uren
- Medical Research Council, London Institute of Medical Sciences, London, United Kingdom.,Institute of Clinical Sciences (ICS), Faculty of Medicine, Imperial College London, London, United Kingdom
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26
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Shamshirgaran Y, Jonebring A, Svensson A, Leefa I, Bohlooly-Y M, Firth M, Woollard KJ, Hofherr A, Rogers IM, Hicks R. Rapid target validation in a Cas9-inducible hiPSC derived kidney model. Sci Rep 2021; 11:16532. [PMID: 34400685 PMCID: PMC8368200 DOI: 10.1038/s41598-021-95986-5] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2021] [Accepted: 08/02/2021] [Indexed: 12/24/2022] Open
Abstract
Recent advances in induced pluripotent stem cells (iPSCs), genome editing technologies and 3D organoid model systems highlight opportunities to develop new in vitro human disease models to serve drug discovery programs. An ideal disease model would accurately recapitulate the relevant disease phenotype and provide a scalable platform for drug and genetic screening studies. Kidney organoids offer a high cellular complexity that may provide greater insights than conventional single-cell type cell culture models. However, genetic manipulation of the kidney organoids requires prior generation of genetically modified clonal lines, which is a time and labor consuming procedure. Here, we present a methodology for direct differentiation of the CRISPR-targeted cell pools, using a doxycycline-inducible Cas9 expressing hiPSC line for high efficiency editing to eliminate the laborious clonal line generation steps. We demonstrate the versatile use of genetically engineered kidney organoids by targeting the autosomal dominant polycystic kidney disease (ADPKD) genes: PKD1 and PKD2. Direct differentiation of the respective knockout pool populations into kidney organoids resulted in the formation of cyst-like structures in the tubular compartment. Our findings demonstrated that we can achieve > 80% editing efficiency in the iPSC pool population which resulted in a reliable 3D organoid model of ADPKD. The described methodology may provide a platform for rapid target validation in the context of disease modeling.
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Affiliation(s)
- Yasaman Shamshirgaran
- Translational Genomics, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Anna Jonebring
- Translational Genomics, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Anna Svensson
- Translational Genomics, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Isabelle Leefa
- Translational Genomics, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Mohammad Bohlooly-Y
- Translational Genomics, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Mike Firth
- Quantitative Biology, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge, UK
| | - Kevin J Woollard
- Bioscience Renal, Research and Early Development Cardiovascular, Renal and Metabolism, BioPharmaceuticals R&D, AstraZeneca, Cambridge, UK
| | - Alexis Hofherr
- Early Clinical Development, Research and Early Development, Cardiovascular, Renal and Metabolic, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Ian M Rogers
- Department of Physiology, University of Toronto, Toronto, ON, M5S 1A8, Canada
- Lunenfeld-Tanenbaum Research Institute, Mount Sinai Hospital, Toronto, ON, M5G 1X5, Canada
- Soham & Shaila Ajmera Family Transplant Centre, University Health Network, Toronto, ON, M5G 2C4, Canada
- Department of Obstetrics and Gynecology, University of Toronto, Toronto, ON, M5G1E2, Canada
| | - Ryan Hicks
- BioPharmaceuticals R&D Cell Therapy, Research and Early Development, Cardiovascular, Renal and Metabolism (CVRM), BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden.
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27
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David F, Davis AM, Gossing M, Hayes MA, Romero E, Scott LH, Wigglesworth MJ. A Perspective on Synthetic Biology in Drug Discovery and Development-Current Impact and Future Opportunities. SLAS DISCOVERY 2021; 26:581-603. [PMID: 33834873 DOI: 10.1177/24725552211000669] [Citation(s) in RCA: 5] [Impact Index Per Article: 1.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
Abstract
The global impact of synthetic biology has been accelerating, because of the plummeting cost of DNA synthesis, advances in genetic engineering, growing understanding of genome organization, and explosion in data science. However, much of the discipline's application in the pharmaceutical industry remains enigmatic. In this review, we highlight recent examples of the impact of synthetic biology on target validation, assay development, hit finding, lead optimization, and chemical synthesis, through to the development of cellular therapeutics. We also highlight the availability of tools and technologies driving the discipline. Synthetic biology is certainly impacting all stages of drug discovery and development, and the recognition of the discipline's contribution can further enhance the opportunities for the drug discovery and development value chain.
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Affiliation(s)
- Florian David
- Department of Biology and Biological Engineering, Division of Systems and Synthetic Biology, Chalmers University of Technology, Gothenburg, Sweden
| | - Andrew M Davis
- Discovery Sciences, Biopharmaceutical R&D, AstraZeneca, Cambridge, UK
| | - Michael Gossing
- Discovery Sciences, Biopharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Martin A Hayes
- Discovery Sciences, Biopharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Elvira Romero
- Discovery Sciences, Biopharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Louis H Scott
- Discovery Sciences, Biopharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
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28
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Li S, Akrap N, Cerboni S, Porritt MJ, Wimberger S, Lundin A, Möller C, Firth M, Gordon E, Lazovic B, Sieńska A, Pane LS, Coelho MA, Ciotta G, Pellegrini G, Sini M, Xu X, Mitra S, Bohlooly-Y M, Taylor BJM, Sienski G, Maresca M. Universal toxin-based selection for precise genome engineering in human cells. Nat Commun 2021; 12:497. [PMID: 33479216 PMCID: PMC7820243 DOI: 10.1038/s41467-020-20810-z] [Citation(s) in RCA: 19] [Impact Index Per Article: 6.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/21/2020] [Accepted: 12/21/2020] [Indexed: 01/29/2023] Open
Abstract
Prokaryotic restriction enzymes, recombinases and Cas proteins are powerful DNA engineering and genome editing tools. However, in many primary cell types, the efficiency of genome editing remains low, impeding the development of gene- and cell-based therapeutic applications. A safe strategy for robust and efficient enrichment of precisely genetically engineered cells is urgently required. Here, we screen for mutations in the receptor for Diphtheria Toxin (DT) which protect human cells from DT. Selection for cells with an edited DT receptor variant enriches for simultaneously introduced, precisely targeted gene modifications at a second independent locus, such as nucleotide substitutions and DNA insertions. Our method enables the rapid generation of a homogenous cell population with bi-allelic integration of a DNA cassette at the selection locus, without clonal isolation. Toxin-based selection works in both cancer-transformed and non-transformed cells, including human induced pluripotent stem cells and human primary T-lymphocytes, as well as it is applicable also in vivo, in mice with humanized liver. This work represents a flexible, precise, and efficient selection strategy to engineer cells using CRISPR-Cas and base editing systems.
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Affiliation(s)
- Songyuan Li
- Translational Genomics, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden.
| | - Nina Akrap
- Translational Genomics, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Silvia Cerboni
- Translational Science and Experimental Medicine, Respiratory & Immunology, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Michelle J Porritt
- Translational Genomics, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Sandra Wimberger
- Translational Genomics, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
- Department of Chemistry & Molecular Biology, University of Gothenburg, Gothenburg, Sweden
| | - Anders Lundin
- Translational Genomics, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Carl Möller
- Translational Genomics, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Mike Firth
- R&D Data Infrastructure & Tools, AstraZeneca, Cambridge, UK
| | - Euan Gordon
- Discovery Biology SWE, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Bojana Lazovic
- Translational Genomics, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
- Oulu Center for Cell-Matrix Research, Biocenter Oulu and Faculty of Biochemistry and Molecular Medicine, University of Oulu, Oulu, Finland
| | - Aleksandra Sieńska
- Translational Genomics, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Luna Simona Pane
- Translational Genomics, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | | | - Giovanni Ciotta
- Discovery Biology UK, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge, UK
| | - Giovanni Pellegrini
- CVRM pathology, Clinical Pharmacology & Safety Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Marcella Sini
- CVRM pathology, Clinical Pharmacology & Safety Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Xiufeng Xu
- Department of Biosciences and Nutrition, Karolinska Institute, Stockholm, Sweden
| | - Suman Mitra
- Inserm UMR1277 CNRS UMR9020 - CANTHER, Institut pour la Recherche sur le Cancer de Lille, Lille, France
| | - Mohammad Bohlooly-Y
- Translational Genomics, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Benjamin J M Taylor
- Discovery Biology UK, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Cambridge, UK
| | - Grzegorz Sienski
- Translational Genomics, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden.
| | - Marcello Maresca
- Translational Genomics, Discovery Sciences, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden.
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29
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Ruiz M, Palmgren H, Henricsson M, Devkota R, Jaiswal H, Maresca M, Bohlooly-Y M, Peng XR, Borén J, Pilon M. Extensive transcription mis-regulation and membrane defects in AdipoR2-deficient cells challenged with saturated fatty acids. Biochim Biophys Acta Mol Cell Biol Lipids 2021; 1866:158884. [PMID: 33444759 DOI: 10.1016/j.bbalip.2021.158884] [Citation(s) in RCA: 6] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/01/2020] [Revised: 12/18/2020] [Accepted: 01/06/2021] [Indexed: 12/24/2022]
Abstract
How cells maintain vital membrane lipid homeostasis while obtaining most of their constituent fatty acids from a varied diet remains largely unknown. Here, we used transcriptomics, lipidomics, growth and respiration assays, and membrane property analyses in human HEK293 cells or human umbilical vein endothelial cells (HUVEC) to show that the function of AdipoR2 is to respond to membrane rigidification by regulating many lipid metabolism genes. We also show that AdipoR2-dependent membrane homeostasis is critical for growth and respiration in cells challenged with saturated fatty acids. Additionally, we found that AdipoR2 deficiency causes transcriptome and cell physiological defects similar to those observed in SREBP-deficient cells upon SFA challenge. Finally, we compared several genes considered important for lipid homeostasis, namely AdipoR2, SCD, FADS2, PEMT and ACSL4, and found that AdipoR2 and SCD are the most important among these to prevent membrane rigidification and excess saturation when human cells are challenged with exogenous SFAs. We conclude that AdipoR2-dependent membrane homeostasis is one of the primary mechanisms that protects against exogenous SFAs.
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Affiliation(s)
- Mario Ruiz
- Dept. Chemistry and Molecular Biology, Univ. Gothenburg, 405 30 Gothenburg, Sweden
| | - Henrik Palmgren
- Metabolism Bioscience, Cardiovascular, Renal and Metabolism, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Marcus Henricsson
- Dept. Molecular and Clinical Medicine/Wallenberg Laboratory, Institute of Medicine, Univ. of Gothenburg, 405 30 Gothenburg, Sweden
| | - Ranjan Devkota
- Dept. Chemistry and Molecular Biology, Univ. Gothenburg, 405 30 Gothenburg, Sweden
| | - Himjyot Jaiswal
- Discovery Biology, Discovery Sciences, R&D, AstraZeneca, Gothenburg, Sweden; CellinkAB, Arvid Wallgrens Backe 20, 413 46 Gothenburg, Sweden
| | - Marcello Maresca
- Discovery Biology, Discovery Sciences, R&D, AstraZeneca, Gothenburg, Sweden
| | | | - Xiao-Rong Peng
- Metabolism Bioscience, Cardiovascular, Renal and Metabolism, BioPharmaceuticals R&D, AstraZeneca, Gothenburg, Sweden
| | - Jan Borén
- Dept. Molecular and Clinical Medicine/Wallenberg Laboratory, Institute of Medicine, Univ. of Gothenburg, 405 30 Gothenburg, Sweden
| | - Marc Pilon
- Dept. Chemistry and Molecular Biology, Univ. Gothenburg, 405 30 Gothenburg, Sweden.
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