1
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De Castro V, Galaine J, Loyon R, Godet Y. CRISPR-Cas gene knockouts to optimize engineered T cells for cancer immunotherapy. Cancer Gene Ther 2024:10.1038/s41417-024-00771-x. [PMID: 38609574 DOI: 10.1038/s41417-024-00771-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/07/2024] [Revised: 04/02/2024] [Accepted: 04/03/2024] [Indexed: 04/14/2024]
Abstract
While CAR-T and tgTCR-T therapies have exhibited noteworthy and promising outcomes in hematologic and solid tumors respectively, a set of distinct challenges remains. Consequently, the quest for novel strategies has become imperative to safeguard and more effectively release the full functions of engineered T cells. These factors are intricately linked to the success of adoptive cell therapy. Recently, CRISPR-based technologies have emerged as a major breakthrough for maintaining T cell functions. These technologies have allowed the discovery of T cells' negative regulators such as specific cell-surface receptors, cell-signaling proteins, and transcription factors that are involved in the development or maintenance of T cell dysfunction. By employing a CRISPR-genic invalidation approach to target these negative regulators, it has become possible to prevent the emergence of hypofunctional T cells. This review revisits the establishment of the dysfunctional profile of T cells before delving into a comprehensive summary of recent CRISPR-gene invalidations, with each invalidation contributing to the enhancement of engineered T cells' antitumor capacities. The narrative unfolds as we explore how these advancements were discovered and identified, marking a significant advancement in the pursuit of superior adoptive cell therapy.
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Affiliation(s)
- Valentine De Castro
- Université de Franche-Comté, EFS, INSERM, UMR RIGHT, F-25000, Besançon, France
| | - Jeanne Galaine
- Université de Franche-Comté, EFS, INSERM, UMR RIGHT, F-25000, Besançon, France
| | - Romain Loyon
- Université de Franche-Comté, EFS, INSERM, UMR RIGHT, F-25000, Besançon, France
| | - Yann Godet
- Université de Franche-Comté, EFS, INSERM, UMR RIGHT, F-25000, Besançon, France.
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2
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Tao R, Han X, Bai X, Yu J, Ma Y, Chen W, Zhang D, Li Z. Revolutionizing cancer treatment: enhancing CAR-T cell therapy with CRISPR/Cas9 gene editing technology. Front Immunol 2024; 15:1354825. [PMID: 38449862 PMCID: PMC10914996 DOI: 10.3389/fimmu.2024.1354825] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/13/2023] [Accepted: 02/01/2024] [Indexed: 03/08/2024] Open
Abstract
CAR-T cell therapy, a novel immunotherapy, has made significant breakthroughs in clinical practice, particularly in treating B-cell-associated leukemia and lymphoma. However, it still faces challenges such as poor persistence, limited proliferation capacity, high manufacturing costs, and suboptimal efficacy. CRISPR/Cas system, an efficient and simple method for precise gene editing, offers new possibilities for optimizing CAR-T cells. It can increase the function of CAR-T cells and reduce manufacturing costs. The combination of CRISPR/Cas9 technology and CAR-T cell therapy may promote the development of this therapy and provide more effective and personalized treatment for cancer patients. Meanwhile, the safety issues surrounding the application of this technology in CAR-T cells require further research and evaluation. Future research should focus on improving the accuracy and safety of CRISPR/Cas9 technology to facilitate the better development and application of CAR-T cell therapy. This review focuses on the application of CRISPR/Cas9 technology in CAR-T cell therapy, including eliminating the inhibitory effect of immune checkpoints, enhancing the ability of CAR-T cells to resist exhaustion, assisting in the construction of universal CAR-T cells, reducing the manufacturing costs of CAR-T cells, and the security problems faced. The objective is to show the revolutionary role of CRISPR/Cas9 technology in CAR-T cell therapy for researchers.
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Affiliation(s)
- Ruiyu Tao
- Department of Gastrointestinal Surgery, Gansu Provincial Maternity and Child-care Hospital, Lanzhou, Gansu, China
| | - Xiaopeng Han
- Department of Gastrointestinal Surgery, Gansu Provincial Maternity and Child-care Hospital, Lanzhou, Gansu, China
| | - Xue Bai
- Department of Urology, Gansu Provincial Maternity and Child-care Hospital, Lanzhou, Gansu, China
| | - Jianping Yu
- Department of Gastrointestinal Surgery, Gansu Provincial Maternity and Child-care Hospital, Lanzhou, Gansu, China
| | - Youwei Ma
- Department of Gastrointestinal Surgery, Gansu Provincial Maternity and Child-care Hospital, Lanzhou, Gansu, China
| | - Weikai Chen
- Department of Gastrointestinal Surgery, Gansu Provincial Maternity and Child-care Hospital, Lanzhou, Gansu, China
| | - Dawei Zhang
- Department of Gastrointestinal Surgery, Gansu Provincial Maternity and Child-care Hospital, Lanzhou, Gansu, China
| | - Zhengkai Li
- Department of Gastrointestinal Surgery, Gansu Provincial Maternity and Child-care Hospital, Lanzhou, Gansu, China
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3
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Kruglova N, Shepelev M. Increasing Gene Editing Efficiency via CRISPR/Cas9- or Cas12a-Mediated Knock-In in Primary Human T Cells. Biomedicines 2024; 12:119. [PMID: 38255224 PMCID: PMC10813735 DOI: 10.3390/biomedicines12010119] [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: 11/27/2023] [Revised: 12/22/2023] [Accepted: 01/03/2024] [Indexed: 01/24/2024] Open
Abstract
T lymphocytes represent a promising target for genome editing. They are primarily modified to recognize and kill tumor cells or to withstand HIV infection. In most studies, T cell genome editing is performed using the CRISPR/Cas technology. Although this technology is easily programmable and widely accessible, its efficiency of T cell genome editing was initially low. Several crucial improvements were made in the components of the CRISPR/Cas technology and their delivery methods, as well as in the culturing conditions of T cells, before a reasonable editing level suitable for clinical applications was achieved. In this review, we summarize and describe the aforementioned parameters that affect human T cell editing efficiency using the CRISPR/Cas technology, with a special focus on gene knock-in.
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Affiliation(s)
- Natalia Kruglova
- Center for Precision Genome Editing and Genetic Technologies for Biomedicine, Institute of Gene Biology RAS, 119334 Moscow, Russia;
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4
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Maltseva EA, Vasil’eva IA, Moor NA, Kim DV, Dyrkheeva NS, Kutuzov MM, Vokhtantsev IP, Kulishova LM, Zharkov DO, Lavrik OI. Cas9 is mostly orthogonal to human systems of DNA break sensing and repair. PLoS One 2023; 18:e0294683. [PMID: 38019812 PMCID: PMC10686484 DOI: 10.1371/journal.pone.0294683] [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: 06/28/2023] [Accepted: 11/06/2023] [Indexed: 12/01/2023] Open
Abstract
CRISPR/Cas9 system is а powerful gene editing tool based on the RNA-guided cleavage of target DNA. The Cas9 activity can be modulated by proteins involved in DNA damage signalling and repair due to their interaction with double- and single-strand breaks (DSB and SSB, respectively) generated by wild-type Cas9 or Cas9 nickases. Here we address the interplay between Streptococcus pyogenes Cas9 and key DNA repair factors, including poly(ADP-ribose) polymerase 1 (SSB/DSB sensor), its closest homolog poly(ADP-ribose) polymerase 2, Ku antigen (DSB sensor), DNA ligase I (SSB sensor), replication protein A (DNA duplex destabilizer), and Y-box binding protein 1 (RNA/DNA binding protein). None of those significantly affected Cas9 activity, while Cas9 efficiently shielded DSBs and SSBs from their sensors. Poly(ADP-ribosyl)ation of Cas9 detected for poly(ADP-ribose) polymerase 2 had no apparent effect on the activity. In cellulo, Cas9-dependent gene editing was independent of poly(ADP-ribose) polymerase 1. Thus, Cas9 can be regarded as an enzyme mostly orthogonal to the natural regulation of human systems of DNA break sensing and repair.
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Affiliation(s)
| | - Inna A. Vasil’eva
- SB RAS Institute of Chemical Biology and Fundamental Medicine, Novosibirsk, Russia
| | - Nina A. Moor
- SB RAS Institute of Chemical Biology and Fundamental Medicine, Novosibirsk, Russia
| | - Daria V. Kim
- SB RAS Institute of Chemical Biology and Fundamental Medicine, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
| | | | - Mikhail M. Kutuzov
- SB RAS Institute of Chemical Biology and Fundamental Medicine, Novosibirsk, Russia
| | - Ivan P. Vokhtantsev
- SB RAS Institute of Chemical Biology and Fundamental Medicine, Novosibirsk, Russia
| | - Lilya M. Kulishova
- SB RAS Institute of Chemical Biology and Fundamental Medicine, Novosibirsk, Russia
| | - Dmitry O. Zharkov
- SB RAS Institute of Chemical Biology and Fundamental Medicine, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
| | - Olga I. Lavrik
- SB RAS Institute of Chemical Biology and Fundamental Medicine, Novosibirsk, Russia
- Novosibirsk State University, Novosibirsk, Russia
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5
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Ding S, Liu J, Han X, Tang M. CRISPR/Cas9-Mediated Genome Editing in Cancer Therapy. Int J Mol Sci 2023; 24:16325. [PMID: 38003514 PMCID: PMC10671490 DOI: 10.3390/ijms242216325] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/08/2023] [Revised: 11/09/2023] [Accepted: 11/10/2023] [Indexed: 11/26/2023] Open
Abstract
The Clustered Regularly Interspaced Short Palindromic Repeats/CRISPR-associated protein 9 (CRISPR/Cas9) system, an RNA-based adaptive immune system found in bacteria and archaea, has catalyzed the development and application of a new generation of gene editing tools. Numerous studies have shown that this system can precisely target a wide range of human genes, including those associated with diseases such as cancer. In cancer research, the intricate genetic mutations in tumors have promoted extensive utilization of the CRISPR/Cas9 system due to its efficient and accurate gene editing capabilities. This includes improvements in Chimeric Antigen Receptor (CAR)-T-cell therapy, the establishment of tumor models, and gene and drug target screening. Such progress has propelled the investigation of cancer molecular mechanisms and the advancement of precision medicine. However, the therapeutic potential of genome editing remains underexplored, and lingering challenges could elevate the risk of additional genetic mutations. Here, we elucidate the fundamental principles of CRISPR/Cas9 gene editing and its practical applications in tumor research. We also briefly discuss the primary challenges faced by CRISPR technology and existing solutions, intending to enhance the efficacy of this gene editing therapy and shed light on the underlying mechanisms of tumors.
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Affiliation(s)
- Shuai Ding
- Department of Biochemistry and Molecular Biology, School of Medicine and Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China;
| | - Jinfeng Liu
- Department of Immunology, School of Medicine and Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China;
| | - Xin Han
- Department of Biochemistry and Molecular Biology, School of Medicine and Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China;
| | - Mengfan Tang
- Department of Immunology, School of Medicine and Holistic Integrative Medicine, Nanjing University of Chinese Medicine, Nanjing 210023, China;
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6
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Abstract
Ex vivo gene editing in hematopoietic stem and progenitor cells (HSPCs) represents a promising curative treatment strategy for monogenic blood disorders. Gene editing using the homology-directed repair (HDR) pathway enables precise genetic modifications ranging from single base pair correction to replacement or insertion of large DNA segments. Hence, HDR-based gene editing could facilitate broad application of gene editing across monogenic disorders, but the technology still faces challenges for clinical translation. Among these, recent studies demonstrate induction of a DNA damage response (DDR) and p53 activation caused by DNA double-strand breaks and exposure to recombinant adeno-associated virus vector repair templates, resulting in reduced proliferation, engraftment, and clonogenic capacity of edited HSPCs. While different mitigation strategies can reduce this DDR, more research is needed on this phenomenon to ensure safe and efficient implementation of HDR-based gene editing in the clinic.
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Affiliation(s)
- Sofie R. Dorset
- Department of Biomedicine, Aarhus University, Aarhus C, Denmark
| | - Rasmus O. Bak
- Department of Biomedicine, Aarhus University, Aarhus C, Denmark
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7
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Yao F, Huang S, Liu J, Tan C, Xu M, Wang D, Huang M, Zhu Y, Huang X, He S. Deletion of ARGLU1 causes global defects in alternative splicing in vivo and mouse cortical malformations primarily via apoptosis. Cell Death Dis 2023; 14:543. [PMID: 37612280 PMCID: PMC10447433 DOI: 10.1038/s41419-023-06071-w] [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: 02/14/2023] [Revised: 08/01/2023] [Accepted: 08/15/2023] [Indexed: 08/25/2023]
Abstract
Haploinsufficient mutation in arginine and glutamine-rich protein 1 (Arglu1), a newly identified pre-mRNA splicing regulator, may be linked to neural developmental disorders associated with mental retardation and epilepsy in human patients, but the underlying causes remain elusive. Here we show that ablation of Arglu1 promotes radial glial cell (RG) detachment from the ventricular zone (VZ), leading to ectopic localized RGs in the mouse embryonic cortex. Although they remain proliferative, ectopic progenitors, as well as progenitors in the VZ, exhibit prolonged mitosis, p53 upregulation and cell apoptosis, leading to reduced neuron production, neuronal loss and microcephaly. RNA seq analysis reveals widespread changes in alternative splicing in the mutant mouse embryonic cortex, preferentially affecting genes involved in neuronal functions. Mdm2 and Mdm4 are found to be alternatively spliced at the exon 3 and exon 5 respectively, leading to absence of the p53-binding domain and nonsense-mediated mRNA decay (NMD) and thus relieve inhibition of p53. Removal of p53 largely rescues the microcephaly caused by deletion of Arglu1. Our findings provide mechanistic insights into cortical malformations of human patients with Arglu1 haploinsufficient mutation.
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Affiliation(s)
- Fenyong Yao
- School of Life Science and Technology, ShanghaiTech University, 393 Middle Huaxia Road, Pudong New District, 201210, Shanghai, China
| | - Shisheng Huang
- School of Life Science and Technology, ShanghaiTech University, 393 Middle Huaxia Road, Pudong New District, 201210, Shanghai, China
- Institute of Neuroscience, Shanghai Institutes for Biological Sciences, Chinese Academy of Sciences, Shanghai, China
- University of Chinese Academy of Sciences, Beijing, China
| | - Jiahui Liu
- School of Life Science and Technology, ShanghaiTech University, 393 Middle Huaxia Road, Pudong New District, 201210, Shanghai, China
| | - Chunhua Tan
- School of Life Science and Technology, ShanghaiTech University, 393 Middle Huaxia Road, Pudong New District, 201210, Shanghai, China
| | - Mengqi Xu
- School of Life Science and Technology, ShanghaiTech University, 393 Middle Huaxia Road, Pudong New District, 201210, Shanghai, China
| | - Dengkui Wang
- School of Life Science and Technology, ShanghaiTech University, 393 Middle Huaxia Road, Pudong New District, 201210, Shanghai, China
| | - Maoqing Huang
- School of Life Science and Technology, ShanghaiTech University, 393 Middle Huaxia Road, Pudong New District, 201210, Shanghai, China
| | - Yiyao Zhu
- School of Information Science and Technology, ShanghaiTech University, 393 Middle Huaxia Road, Pudong New District, 201210, Shanghai, China
| | - Xingxu Huang
- School of Life Science and Technology, ShanghaiTech University, 393 Middle Huaxia Road, Pudong New District, 201210, Shanghai, China.
| | - Shuijin He
- School of Life Science and Technology, ShanghaiTech University, 393 Middle Huaxia Road, Pudong New District, 201210, Shanghai, China.
- Shanghai Clinical Research and Trial Center, 201210, Shanghai, China.
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8
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Adlat S, Vázquez Salgado AM, Lee M, Yin D, Wangensteen KJ. Emerging and potential use of CRISPR in human liver disease. Hepatology 2023:01515467-990000000-00538. [PMID: 37607734 PMCID: PMC10881897 DOI: 10.1097/hep.0000000000000578] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Submit a Manuscript] [Subscribe] [Scholar Register] [Received: 07/17/2023] [Accepted: 08/13/2023] [Indexed: 08/24/2023]
Abstract
CRISPR is a gene editing tool adapted from naturally occurring defense systems from bacteria. It is a technology that is revolutionizing the interrogation of gene functions in driving liver disease, especially through genetic screens and by facilitating animal knockout and knockin models. It is being used in models of liver disease to identify which genes are critical for liver pathology, especially in genetic liver disease, hepatitis, and in cancer initiation and progression. It holds tremendous promise in treating human diseases directly by editing DNA. It could disable gene function in the case of expression of a maladaptive protein, such as blocking transthyretin as a therapy for amyloidosis, or to correct gene defects, such as restoring the normal functions of liver enzymes fumarylacetoacetate hydrolase or alpha-1 antitrypsin. It is also being studied for treatment of hepatitis B infection. CRISPR is an exciting, evolving technology that is facilitating gene characterization and discovery in liver disease and holds the potential to treat liver diseases safely and permanently.
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Affiliation(s)
- Salah Adlat
- Division of Gastroenterology and Hepatology, Department of Medicine, Mayo Clinic, Rochester, Minnesota, USA
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9
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Cullot G, Boutin J, Fayet S, Prat F, Rosier J, Cappellen D, Lamrissi I, Pennamen P, Bouron J, Amintas S, Thibault C, Moranvillier I, Laharanne E, Merlio JP, Guyonnet-Duperat V, Blouin JM, Richard E, Dabernat S, Moreau-Gaudry F, Bedel A. Cell cycle arrest and p53 prevent ON-target megabase-scale rearrangements induced by CRISPR-Cas9. Nat Commun 2023; 14:4072. [PMID: 37429857 DOI: 10.1038/s41467-023-39632-w] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/22/2022] [Accepted: 06/22/2023] [Indexed: 07/12/2023] Open
Abstract
The CRISPR-Cas9 system has revolutionized our ability to precisely modify the genome and has led to gene editing in clinical applications. Comprehensive analysis of gene editing products at the targeted cut-site has revealed a complex spectrum of outcomes. ON-target genotoxicity is underestimated with standard PCR-based methods and necessitates appropriate and more sensitive detection methods. Here, we present two complementary Fluorescence-Assisted Megabase-scale Rearrangements Detection (FAMReD) systems that enable the detection, quantification, and cell sorting of edited cells with megabase-scale loss of heterozygosity (LOH). These tools reveal rare complex chromosomal rearrangements caused by Cas9-nuclease and show that LOH frequency depends on cell division rate during editing and p53 status. Cell cycle arrest during editing suppresses the occurrence of LOH without compromising editing. These data are confirmed in human stem/progenitor cells, suggesting that clinical trials should consider p53 status and cell proliferation rate during editing to limit this risk by designing safer protocols.
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Affiliation(s)
- G Cullot
- Bordeaux University, INSERM, BRIC, U1312, F-33000, Bordeaux, France
| | - J Boutin
- Bordeaux University, INSERM, BRIC, U1312, F-33000, Bordeaux, France
- CHU de Bordeaux, Biochemistry Laboratory, F-33000, Bordeaux, France
| | - S Fayet
- Bordeaux University, INSERM, BRIC, U1312, F-33000, Bordeaux, France
| | - F Prat
- Bordeaux University, INSERM, BRIC, U1312, F-33000, Bordeaux, France
| | - J Rosier
- Bordeaux University, INSERM, BRIC, U1312, F-33000, Bordeaux, France
| | - D Cappellen
- Bordeaux University, INSERM, BRIC, U1312, F-33000, Bordeaux, France
- CHU de Bordeaux, Tumor Biology and Tumor Bank Laboratory, F-33000, Bordeaux, France
| | - I Lamrissi
- Bordeaux University, INSERM, BRIC, U1312, F-33000, Bordeaux, France
| | - P Pennamen
- CHU de Bordeaux, department of medical genetics, F-33000, Bordeaux, France
| | - J Bouron
- CHU de Bordeaux, department of medical genetics, F-33000, Bordeaux, France
| | - S Amintas
- Bordeaux University, INSERM, BRIC, U1312, F-33000, Bordeaux, France
- CHU de Bordeaux, Tumor Biology and Tumor Bank Laboratory, F-33000, Bordeaux, France
| | - C Thibault
- Bordeaux University, INSERM, BRIC, U1312, F-33000, Bordeaux, France
| | - I Moranvillier
- Bordeaux University, INSERM, BRIC, U1312, F-33000, Bordeaux, France
| | - E Laharanne
- CHU de Bordeaux, Tumor Biology and Tumor Bank Laboratory, F-33000, Bordeaux, France
| | - J P Merlio
- Bordeaux University, INSERM, BRIC, U1312, F-33000, Bordeaux, France
- CHU de Bordeaux, Tumor Biology and Tumor Bank Laboratory, F-33000, Bordeaux, France
| | - V Guyonnet-Duperat
- Bordeaux University, INSERM, BRIC, U1312, F-33000, Bordeaux, France
- Vect'UB, vectorology platform, INSERM US 005-CNRS UAR 3427-TBM-Core, Bordeaux university, Bordeaux, France
| | - J M Blouin
- Bordeaux University, INSERM, BRIC, U1312, F-33000, Bordeaux, France
- CHU de Bordeaux, Biochemistry Laboratory, F-33000, Bordeaux, France
| | - E Richard
- Bordeaux University, INSERM, BRIC, U1312, F-33000, Bordeaux, France
- CHU de Bordeaux, Biochemistry Laboratory, F-33000, Bordeaux, France
| | - S Dabernat
- Bordeaux University, INSERM, BRIC, U1312, F-33000, Bordeaux, France
- CHU de Bordeaux, Biochemistry Laboratory, F-33000, Bordeaux, France
| | - F Moreau-Gaudry
- Bordeaux University, INSERM, BRIC, U1312, F-33000, Bordeaux, France.
- CHU de Bordeaux, Biochemistry Laboratory, F-33000, Bordeaux, France.
| | - A Bedel
- Bordeaux University, INSERM, BRIC, U1312, F-33000, Bordeaux, France.
- CHU de Bordeaux, Biochemistry Laboratory, F-33000, Bordeaux, France.
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10
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Rodrigo S, Senasinghe K, Quazi S. Molecular and therapeutic effect of CRISPR in treating cancer. Med Oncol 2023; 40:81. [PMID: 36650384 PMCID: PMC9845174 DOI: 10.1007/s12032-022-01930-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/09/2022] [Accepted: 12/13/2022] [Indexed: 01/18/2023]
Abstract
Cancer has become one of the common causes of mortality around the globe due to mutations in the genome which allows rapid growth of cells uncontrollably without repairing DNA errors. Cancers could arise due alterations in DNA repair mechanisms (errors in mismatch repair genes), activation of oncogenes and inactivation of tumor suppressor genes. Each cancer type is different and each individual has a unique genetic change which leads them to cancer. Studying genetic and epigenetic alterations in the genome leads to understanding the underlying features. CAR T therapy over other immunotherapies such as monoclonal antibodies, immune checkpoint inhibitors, cancer vaccines and adoptive cell therapies has been widely used to treat cancer in recent days and gene editing has now become one of the promising treatments for many genetic diseases. This tool allows scientists to change the genome by adding, removing or altering genetic material of an organism. Due to advance in genetics and novel molecular techniques such as CRISPR, TALEN these genes can be edited in such a way that their original function could be replaced which in turn improved the treatment possibilities and can be used against malignancies and even cure cancer in future along with CAR T cell therapy due to the specific recognition and attacking of tumor.
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Affiliation(s)
- Sawani Rodrigo
- Human Genetics Unit, Faculty of Medicine, University of Colombo, Colombo, Sri Lanka
| | - Kaveesha Senasinghe
- Human Genetics Unit, Faculty of Medicine, University of Colombo, Colombo, Sri Lanka
| | - Sameer Quazi
- GenLab Biosolutions Private Limited, Bengaluru, Karnataka, 560043, India.
- Department of Biomedical Sciences, School of Life Sciences, Anglia Ruskin University, Cambridge, UK.
- School of Health Sciences, The University of Manchester, Manchester, UK.
- SCAMT Institute, ITMO University, St. Petersburg, Russia.
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11
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Wild SA, Cannell IG, Nicholls A, Kania K, Bressan D, Hannon GJ, Sawicka K. Clonal transcriptomics identifies mechanisms of chemoresistance and empowers rational design of combination therapies. eLife 2022; 11:e80981. [PMID: 36525288 PMCID: PMC9757829 DOI: 10.7554/elife.80981] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/10/2022] [Accepted: 11/10/2022] [Indexed: 12/23/2022] Open
Abstract
Tumour heterogeneity is thought to be a major barrier to successful cancer treatment due to the presence of drug resistant clonal lineages. However, identifying the characteristics of such lineages that underpin resistance to therapy has remained challenging. Here, we utilise clonal transcriptomics with WILD-seq; Wholistic Interrogation of Lineage Dynamics by sequencing, in mouse models of triple-negative breast cancer (TNBC) to understand response and resistance to therapy, including BET bromodomain inhibition and taxane-based chemotherapy. These analyses revealed oxidative stress protection by NRF2 as a major mechanism of taxane resistance and led to the discovery that our tumour models are collaterally sensitive to asparagine deprivation therapy using the clinical stage drug L-asparaginase after frontline treatment with docetaxel. In summary, clonal transcriptomics with WILD-seq identifies mechanisms of resistance to chemotherapy that are also operative in patients and pin points asparagine bioavailability as a druggable vulnerability of taxane-resistant lineages.
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Affiliation(s)
- Sophia A Wild
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Robinson WayCambridgeUnited Kingdom
| | - Ian G Cannell
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Robinson WayCambridgeUnited Kingdom
| | - Ashley Nicholls
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Robinson WayCambridgeUnited Kingdom
| | - Katarzyna Kania
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Robinson WayCambridgeUnited Kingdom
| | - Dario Bressan
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Robinson WayCambridgeUnited Kingdom
| | - Gregory J Hannon
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Robinson WayCambridgeUnited Kingdom
| | - Kirsty Sawicka
- Cancer Research UK Cambridge Institute, University of Cambridge, Li Ka Shing Centre, Robinson WayCambridgeUnited Kingdom
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12
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CRISPR/dCas9 for hepatic fibrosis therapy: implications and challenges. Mol Biol Rep 2022; 49:11403-11408. [PMID: 35960410 DOI: 10.1007/s11033-022-07713-6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/07/2022] [Revised: 06/08/2022] [Accepted: 06/14/2022] [Indexed: 10/15/2022]
Abstract
Hepatic fibrosis is a pathological reaction of tissue damage and repair caused by various pathogenic factors acting on liver. At present, there is no effective anti-fibrotic specific therapy. Clustered regularly interspaced short palindromic repeats (CRISPR)/CRISPR-associated protein 9 (dCas9) system is a new generation of gene editing technology. The CRISPR/dCas9 system provides a platform for studying site-specific transcriptional regulation, which has high efficiency in gene transcriptional activation for achieving robust. This system holds promise for hepatic fibrosis therapy via acting on liver fibrosis effector cells. However, there are some challenges associated with this novel technology, such as large structural variants at on-target, off-target sites, and targeted delivery efficiency. In this review, we present the potential implications and describe the challenges of CRISPR/dCas9 system that might be encountered in hepatic fibrosis therapy.
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Huang L, Liao Z, Liu Z, Chen Y, Huang T, Xiao H. Application and Prospect of CRISPR/Cas9 Technology in Reversing Drug Resistance of Non-Small Cell Lung Cancer. Front Pharmacol 2022; 13:900825. [PMID: 35620280 PMCID: PMC9127258 DOI: 10.3389/fphar.2022.900825] [Citation(s) in RCA: 2] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/21/2022] [Accepted: 04/25/2022] [Indexed: 11/13/2022] Open
Abstract
Cancer drug resistance has always been a major factor affecting the treatment of non-small cell lung cancer, which reduces the quality of life of patients. The clustered regularly interspaced short palindromic repeats/CRISPR associated protein 9 (CRISPR/Cas9) technology, as an efficient and convenient new gene-editing technology, has provided a lot of help to the clinic and accelerated the research of cancer and drug resistance. In this review, we introduce the mechanisms of drug resistance in non-small cell lung cancer (NSCLC), discuss how the CRISPR/Cas9 system can reverse multidrug resistance in NSCLC, and focus on drug resistance gene mutations. To improve the prognosis of NSCLC patients and further improve patients' quality of life, it is necessary to utilize the CRISPR/Cas9 system in systematic research on cancer drug resistance.
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Affiliation(s)
- Lu Huang
- Department of Clinical Pharmacy, Sichuan Cancer Center, School of Medicine, Sichuan Cancer Hospital and Institute, University of Electronic Science and Technology of China, Chengdu, China.,Personalized Drug Therapy Key Laboratory of Sichuan Province, Chengdu, China
| | - Zhi Liao
- Department of Gynecology and Obstetrics, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, Chengdu, China
| | - Zhixi Liu
- Department of Clinical Pharmacy, Sichuan Cancer Center, School of Medicine, Sichuan Cancer Hospital and Institute, University of Electronic Science and Technology of China, Chengdu, China.,Personalized Drug Therapy Key Laboratory of Sichuan Province, Chengdu, China
| | - Yan Chen
- Department of Clinical Pharmacy, Sichuan Cancer Center, School of Medicine, Sichuan Cancer Hospital and Institute, University of Electronic Science and Technology of China, Chengdu, China
| | - Tingwenli Huang
- Department of Clinical Pharmacy, Sichuan Cancer Center, School of Medicine, Sichuan Cancer Hospital and Institute, University of Electronic Science and Technology of China, Chengdu, China.,Personalized Drug Therapy Key Laboratory of Sichuan Province, Chengdu, China
| | - Hongtao Xiao
- Department of Clinical Pharmacy, Sichuan Cancer Center, School of Medicine, Sichuan Cancer Hospital and Institute, University of Electronic Science and Technology of China, Chengdu, China.,Personalized Drug Therapy Key Laboratory of Sichuan Province, Chengdu, China
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Jiang L, Wermeling F. A CRISPR-p53 interactome with potential implications for clinical CRISPR/Cas9 use. Oncoscience 2022; 9:27-29. [PMID: 35548777 PMCID: PMC9084925 DOI: 10.18632/oncoscience.557] [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: 04/08/2022] [Accepted: 05/02/2022] [Indexed: 11/25/2022] Open
Abstract
CRISPR/Cas9-based tools are anticipated to transform the gene therapy field by facilitating the correction of disease-causing mutations. However, CRISPR/Cas9 generates DNA damage, which triggers a DNA damage response centered around the tumor-suppressor p53. In this research perspective, we discuss implications of this and describe a CRISPR-p53 interactome with cancer-related genes that, if mutated, can give cells a selective advantage following exposure to CRISPR/Cas9. We propose that the genes in the CRISPR-p53 interactome should be monitored in the clinical setting and describe that transient p53 inhibition could be used to limit the enrichment of cells with such mutations.
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Affiliation(s)
- Long Jiang
- Department of Medicine Solna, Center for Molecular Medicine, Karolinska University Hospital and Karolinska Institutet, Stockholm, Sweden
| | - Fredrik Wermeling
- Department of Medicine Solna, Center for Molecular Medicine, Karolinska University Hospital and Karolinska Institutet, Stockholm, Sweden
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