1
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Guo J, Chen S, Onishi Y, Shi Q, Song Y, Mei H, Chen L, Kool ET, Zhu RY. RNA Control via Redox-Responsive Acylation. Angew Chem Int Ed Engl 2024; 63:e202402178. [PMID: 38480851 DOI: 10.1002/anie.202402178] [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: 02/05/2024] [Indexed: 04/05/2024]
Abstract
Incorporating stimuli-responsive components into RNA constructs provides precise spatiotemporal control over RNA structures and functions. Despite considerable advancements, the utilization of redox-responsive stimuli for the activation of caged RNAs remains scarce. In this context, we present a novel strategy that leverages post-synthetic acylation coupled with redox-responsive chemistry to exert control over RNA. To achieve this, we design and synthesize a series of acylating reagents specifically tailored for introducing disulfide-containing acyl adducts into the 2'-OH groups of RNA ("cloaking"). Our data reveal that these acyl moieties can be readily appended, effectively blocking RNA catalytic activity and folding. We also demonstrate the traceless release and reactivation of caged RNAs ("uncloaking") through reducing stimuli. By employing this strategy, RNA exhibits rapid cellular uptake, effective distribution and activation in the cytosol without lysosomal entrapment. We anticipate that our methodology will be accessible to laboratories engaged in RNA biology and holds promise as a versatile platform for RNA-based applications.
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Affiliation(s)
- Junsong Guo
- Department of Chemistry, National University of Singapore, 4 Science Drive 2, Singapore, 117544, Singapore
| | - Siqin Chen
- Department of Chemistry, National University of Singapore, 4 Science Drive 2, Singapore, 117544, Singapore
| | - Yoshiyuki Onishi
- Department of Chemistry, Stanford University, Stanford, CA 94305, USA
| | - Qi Shi
- Department of Chemistry, National University of Singapore, 4 Science Drive 2, Singapore, 117544, Singapore
| | - Yangyang Song
- Cancer Science Institute of Singapore, National University of Singapore, 14 Medical Dr, Singapore, 117599, Singapore
| | - Hui Mei
- Department of Chemistry, Stanford University, Stanford, CA 94305, USA
| | - Leilei Chen
- Cancer Science Institute of Singapore, National University of Singapore, 14 Medical Dr, Singapore, 117599, Singapore
| | - Eric T Kool
- Department of Chemistry, Stanford University, Stanford, CA 94305, USA
| | - Ru-Yi Zhu
- Department of Chemistry, National University of Singapore, 4 Science Drive 2, Singapore, 117544, Singapore
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2
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Shi Y, Zhen X, Zhang Y, Li Y, Koo S, Saiding Q, Kong N, Liu G, Chen W, Tao W. Chemically Modified Platforms for Better RNA Therapeutics. Chem Rev 2024; 124:929-1033. [PMID: 38284616 DOI: 10.1021/acs.chemrev.3c00611] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/30/2024]
Abstract
RNA-based therapies have catalyzed a revolutionary transformation in the biomedical landscape, offering unprecedented potential in disease prevention and treatment. However, despite their remarkable achievements, these therapies encounter substantial challenges including low stability, susceptibility to degradation by nucleases, and a prominent negative charge, thereby hindering further development. Chemically modified platforms have emerged as a strategic innovation, focusing on precise alterations either on the RNA moieties or their associated delivery vectors. This comprehensive review delves into these platforms, underscoring their significance in augmenting the performance and translational prospects of RNA-based therapeutics. It encompasses an in-depth analysis of various chemically modified delivery platforms that have been instrumental in propelling RNA therapeutics toward clinical utility. Moreover, the review scrutinizes the rationale behind diverse chemical modification techniques aiming at optimizing the therapeutic efficacy of RNA molecules, thereby facilitating robust disease management. Recent empirical studies corroborating the efficacy enhancement of RNA therapeutics through chemical modifications are highlighted. Conclusively, we offer profound insights into the transformative impact of chemical modifications on RNA drugs and delineates prospective trajectories for their future development and clinical integration.
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Affiliation(s)
- Yesi Shi
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
- State Key Laboratory of Vaccines for Infectious Diseases, Xiang An Biomedicine Laboratory, National Innovation Platform for Industry-Education Integration in Vaccine Research, State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen 361102, China
| | - Xueyan Zhen
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Yiming Zhang
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Yongjiang Li
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Seyoung Koo
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Qimanguli Saiding
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
| | - Na Kong
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
- Liangzhu Laboratory, Zhejiang University Medical Center, Hangzhou 310058, China
| | - Gang Liu
- State Key Laboratory of Vaccines for Infectious Diseases, Xiang An Biomedicine Laboratory, National Innovation Platform for Industry-Education Integration in Vaccine Research, State Key Laboratory of Molecular Vaccinology and Molecular Diagnostics, Center for Molecular Imaging and Translational Medicine, School of Public Health, Xiamen University, Xiamen 361102, China
| | - Wei Chen
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
- Genomics Research Center, Academia Sinica, Taipei 11529, Taiwan
| | - Wei Tao
- Center for Nanomedicine and Department of Anesthesiology, Brigham and Women's Hospital, Harvard Medical School, Boston, Massachusetts 02115, United States
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3
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Qin Z, Zhang K, He P, Zhang X, Xie M, Fu Y, Gu C, Zhu Y, Tong A, Wei H, Zhang C, Xiang Y. Discovering covalent inhibitors of protein-protein interactions from trillions of sulfur(VI) fluoride exchange-modified oligonucleotides. Nat Chem 2023; 15:1705-1714. [PMID: 37653229 DOI: 10.1038/s41557-023-01304-z] [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: 06/04/2022] [Accepted: 07/24/2023] [Indexed: 09/02/2023]
Abstract
Molecules that covalently engage target proteins are widely used as activity-based probes and covalent drugs. The performance of these covalent inhibitors is, however, often compromised by the paradox of efficacy and risk, which demands a balance between reactivity and selectivity. The challenge is more evident when targeting protein-protein interactions owing to their low ligandability and undefined reactivity. Here we report sulfur(VI) fluoride exchange (SuFEx) in vitro selection, a general platform for high-throughput discovery of covalent inhibitors from trillions of SuFEx-modified oligonucleotides. With SuFEx in vitro selection, we identified covalent inhibitors that cross-link distinct residues of the SARS-CoV-2 spike protein at its protein-protein interaction interface with the human angiotensin-converting enzyme 2. A separate suite of covalent inhibitors was isolated for the human complement C5 protein. In both cases, we observed a clear disconnection between binding affinity and cross-linking reactivity, indicating that direct search for the aimed reactivity-as enabled by SuFEx in vitro selection-is vital for discovering covalent inhibitors of high selectivity and potency.
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Affiliation(s)
- Zichen Qin
- Department of Chemistry, Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Tsinghua University, Beijing, China
| | - Kaining Zhang
- Department of Chemistry, Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Tsinghua University, Beijing, China
| | - Ping He
- CAS Key Laboratory of Special Pathogens and Biosafety, Centre for Biosafety Mega-Science, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China
| | - Xue Zhang
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai, China
| | - Miao Xie
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai, China
| | - Yucheng Fu
- Department of Orthopedics, Ruijin Hospital, Shanghai Jiao Tong University School of Medicine, Shanghai, China
| | - Chunmei Gu
- Department of Chemistry, Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Tsinghua University, Beijing, China
- Beijing Institute of Collaborative Innovation (BICI), Beijing, China
| | - Yiying Zhu
- Department of Chemistry, Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Tsinghua University, Beijing, China
| | - Aijun Tong
- Department of Chemistry, Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Tsinghua University, Beijing, China
| | - Hongping Wei
- CAS Key Laboratory of Special Pathogens and Biosafety, Centre for Biosafety Mega-Science, Wuhan Institute of Virology, Chinese Academy of Sciences, Wuhan, China
| | - Chuan Zhang
- School of Chemistry and Chemical Engineering, Frontiers Science Center for Transformative Molecules, Shanghai Key Laboratory for Molecular Engineering of Chiral Drugs, State Key Laboratory of Metal Matrix Composites, Shanghai Jiao Tong University, Shanghai, China
| | - Yu Xiang
- Department of Chemistry, Key Laboratory of Bioorganic Phosphorus Chemistry and Chemical Biology (Ministry of Education), Tsinghua University, Beijing, China.
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4
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Fang L, Xiao L, Jun YW, Onishi Y, Kool ET. Reversible 2'-OH acylation enhances RNA stability. Nat Chem 2023; 15:1296-1305. [PMID: 37365334 DOI: 10.1038/s41557-023-01246-6] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/23/2022] [Accepted: 05/19/2023] [Indexed: 06/28/2023]
Abstract
The presence of a hydroxyl group at the 2'-position in its ribose makes RNA susceptible to hydrolysis. Stabilization of RNAs for storage, transport and biological application thus remains a serious challenge, particularly for larger RNAs that are not accessible by chemical synthesis. Here we present reversible 2'-OH acylation as a general strategy to preserve RNA of any length or origin. High-yield polyacylation of 2'-hydroxyls ('cloaking') by readily accessible acylimidazole reagents effectively shields RNAs from both thermal and enzymatic degradation. Subsequent treatment with water-soluble nucleophilic reagents removes acylation adducts quantitatively ('uncloaking') and recovers a remarkably broad range of RNA functions, including reverse transcription, translation and gene editing. Furthermore, we show that certain α-dimethylamino- and α-alkoxy- acyl adducts are spontaneously removed in human cells, restoring messenger RNA translation with extended functional half-lives. These findings support the potential of reversible 2'-acylation as a simple and general molecular solution for enhancing RNA stability and provide mechanistic insights for stabilizing RNA regardless of length or origin.
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Affiliation(s)
- Linglan Fang
- Department of Chemistry, Stanford University, Stanford, CA, USA
| | - Lu Xiao
- Department of Chemistry, Stanford University, Stanford, CA, USA
| | - Yong Woong Jun
- Department of Chemistry, Stanford University, Stanford, CA, USA
| | | | - Eric T Kool
- Department of Chemistry, Stanford University, Stanford, CA, USA.
- Sarafan ChEM-H Institute, Stanford University, Stanford, CA, USA.
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5
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Hu Z, Sun A, Yang J, Naz G, Sun G, Li Z, Gogo Liu JJ, Zhang S, Zhang X. Regulation of the CRISPR-Cas12a system by methylation and demethylation of guide RNA. Chem Sci 2023; 14:5945-5955. [PMID: 37293662 PMCID: PMC10246701 DOI: 10.1039/d3sc00629h] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 02/06/2023] [Accepted: 05/08/2023] [Indexed: 06/10/2023] Open
Abstract
Chemical modifications of CRISPR-Cas nucleases help decrease off-target editing and expand the biomedical applications of CRISPR-based gene manipulation tools. Here, we found that epigenetic modifications of guide RNA, such as m6A and m1A methylation, can effectively inhibit both the cis- and trans-DNA cleavage activities of CRISPR-Cas12a. The underlying mechanism is that methylations destabilize the secondary and tertiary structure of gRNA which prevents the assembly of the Cas12a-gRNA nuclease complex, leading to decreased DNA targeting ability. A minimum of three adenine methylated nucleotides are required to completely inhibit the nuclease activity. We also demonstrate that these effects are reversible through the demethylation of gRNA by demethylases. This strategy has been used in the regulation of gene expression, demethylase imaging in living cells and controllable gene editing. The results demonstrate that the methylation-deactivated and demethylase-activated strategy is a promising tool for regulation of the CRISPR-Cas12a system.
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Affiliation(s)
- Zhian Hu
- Beijing Key Laboratory for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing 30 Xueyuan Road, Haidian District Beijing 100083 P. R. China
- Department of Chemistry, Tsinghua University Beijing 100084 P. R. China
| | - Ao Sun
- Tsinghua-Peking Center for Life Sciences, School of Life Sciences, Tsinghua University Beijing 100084 P. R. China
| | - Jinlei Yang
- Department of Chemistry, Tsinghua University Beijing 100084 P. R. China
| | - Gul Naz
- Department of Chemistry, Tsinghua University Beijing 100084 P. R. China
| | - Gongwei Sun
- Department of Chemistry, Tsinghua University Beijing 100084 P. R. China
| | - Zhengping Li
- Beijing Key Laboratory for Bioengineering and Sensing Technology, School of Chemistry and Biological Engineering, University of Science and Technology Beijing 30 Xueyuan Road, Haidian District Beijing 100083 P. R. China
| | - Jun-Jie Gogo Liu
- Tsinghua-Peking Center for Life Sciences, School of Life Sciences, Tsinghua University Beijing 100084 P. R. China
- Beijing Advanced Innovation Center for Structural Biology & Frontier Research Center for Biological Structure, School of Life Sciences, Tsinghua University Beijing 100084 P. R. China
| | - Sichun Zhang
- Department of Chemistry, Tsinghua University Beijing 100084 P. R. China
| | - Xinrong Zhang
- Department of Chemistry, Tsinghua University Beijing 100084 P. R. China
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6
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Lei H, Zeng T, Ye X, Fan R, Xiong W, Tian T, Zhou X. Chemical Control of CRISPR Gene Editing via Conditional Diacylation Crosslinking of Guide RNAs. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2206433. [PMID: 36737854 PMCID: PMC10074079 DOI: 10.1002/advs.202206433] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Figures] [Subscribe] [Scholar Register] [Received: 11/03/2022] [Revised: 01/13/2023] [Indexed: 06/18/2023]
Abstract
Conditional control of RNA structure and function has emerged as an effective toolkit. Here, a strategy based on a one-step introduction of diacylation linkers and azide groups on the 2'-OH of RNA is advance. Selected from eight phosphine reagents, it is found that 2-(diphenylphosphino)ethylamine has excellent performance in reducing azides via a Staudinger reduction to obtain the original RNA. It is demonstrated that the enzymatic activities of Cas13 and Cas9 can be regulated by chemically modified guide RNAs, and further achieved ligand-induced gene editing in living cells by a controllable CRISPR/Cas9 system.
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Affiliation(s)
- Huajun Lei
- College of Chemistry and Molecular SciencesKey Laboratory of Biomedical Polymers of Ministry of EducationThe Institute of Molecular MedicineWuhan University People's HospitalHubei Province Key Laboratory of Allergy and ImmunologyWuhan UniversityWuhanHubei430072China
| | - Tianying Zeng
- College of Chemistry and Molecular SciencesKey Laboratory of Biomedical Polymers of Ministry of EducationThe Institute of Molecular MedicineWuhan University People's HospitalHubei Province Key Laboratory of Allergy and ImmunologyWuhan UniversityWuhanHubei430072China
| | - Xiaofang Ye
- College of Chemistry and Molecular SciencesKey Laboratory of Biomedical Polymers of Ministry of EducationThe Institute of Molecular MedicineWuhan University People's HospitalHubei Province Key Laboratory of Allergy and ImmunologyWuhan UniversityWuhanHubei430072China
| | - Ruochen Fan
- College of Chemistry and Molecular SciencesKey Laboratory of Biomedical Polymers of Ministry of EducationThe Institute of Molecular MedicineWuhan University People's HospitalHubei Province Key Laboratory of Allergy and ImmunologyWuhan UniversityWuhanHubei430072China
| | - Wei Xiong
- College of Chemistry and Molecular SciencesKey Laboratory of Biomedical Polymers of Ministry of EducationThe Institute of Molecular MedicineWuhan University People's HospitalHubei Province Key Laboratory of Allergy and ImmunologyWuhan UniversityWuhanHubei430072China
| | - Tian Tian
- College of Chemistry and Molecular SciencesKey Laboratory of Biomedical Polymers of Ministry of EducationThe Institute of Molecular MedicineWuhan University People's HospitalHubei Province Key Laboratory of Allergy and ImmunologyWuhan UniversityWuhanHubei430072China
| | - Xiang Zhou
- College of Chemistry and Molecular SciencesKey Laboratory of Biomedical Polymers of Ministry of EducationThe Institute of Molecular MedicineWuhan University People's HospitalHubei Province Key Laboratory of Allergy and ImmunologyWuhan UniversityWuhanHubei430072China
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7
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Yu L, Ma Z, He Q. Dynamic DNA Nanostructures for Cell Manipulation. ACS Biomater Sci Eng 2023; 9:562-576. [PMID: 36592368 DOI: 10.1021/acsbiomaterials.2c01204] [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: 01/03/2023]
Abstract
Dynamic DNA nanostructures are DNA nanostructures with reconfigurable elements that can undergo structural transformations in response to specific stimuli. Thus, anchoring dynamic DNA nanostructures on cell membranes is an attractive and promising strategy for well-controlled cell manipulation. Here, we review the latest progress in dynamic DNA nanostructures for cell manipulation. Commonly used mechanisms for dynamic DNA nanostructures are first introduced. Subsequently, we summarize the anchoring strategies for dynamic DNA nanostructures on cell membranes and list possible applications (including programming cell membrane receptors, controlling ligand activity and drug delivery, capturing and releasing cells, and assembling cells into clusters). Finally, insights into the remaining challenges are presented.
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Affiliation(s)
- Lu Yu
- Department of Endocrinology and Metabolism, The First People's Hospital of Changde City, Renmin Middle Road 818, Changde, Hunan 415000, P. R. China
| | - Zongrui Ma
- Department of Ophthalmology, The First People's Hospital of Changde City, Renmin Middle Road 818, Changde, Hunan 415000, P. R. China
| | - Qunye He
- School of Pharmacy, Shanghai Jiao Tong University, Dongchuan Road 800, Shanghai 200000, P. R. China
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8
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Sun YJ, Chen WD, Liu J, Li JJ, Zhang Y, Cai WQ, Liu L, Tang XJ, Hou J, Wang M, Cheng L. A Conformational Restriction Strategy for the Control of CRISPR/Cas Gene Editing with Photoactivatable Guide RNAs. Angew Chem Int Ed Engl 2023; 62:e202212413. [PMID: 36453982 DOI: 10.1002/anie.202212413] [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: 08/22/2022] [Revised: 11/30/2022] [Accepted: 12/01/2022] [Indexed: 12/05/2022]
Abstract
The CRISPR/Cas system is one of the most powerful tools for gene editing. However, approaches for precise control of genome editing and regulatory events are still desirable. Here, we report the spatiotemporal and efficient control of CRISPR/Cas9- and Cas12a-mediated editing with conformationally restricted guide RNAs (gRNAs). This approach relied on only two or three pre-installed photo-labile substituents followed by an intramolecular cyclization, representing a robust synthetic method in comparison to the heavily modified linear gRNAs that often require extensive screening and time-consuming optimization. This tactic could direct the precise cleavage of the genes encoding green fluorescent protein (GFP) and the vascular endothelial growth factor A (VEGFA) protein within a predefined cutting region without notable editing leakage in live cells. We also achieved light-mediated myostatin (MSTN) gene editing in embryos, wherein a new bow-knot-type gRNA was constructed with excellent OFF/ON switch efficiency. Overall, our work provides a significant new strategy in CRISPR/Cas editing with modified circular gRNAs to precisely manipulate where and when genes are edited.
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Affiliation(s)
- Ying-Jie Sun
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Laboratory of Molecular Recognition and Function, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Wen-Da Chen
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Laboratory of Molecular Recognition and Function, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Ji Liu
- BNLMS, CAS Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
| | - Jun-Jin Li
- State Key Laboratory of Agrobiotechnology and College of Biological Science, China Agricultural University, Beijing, 100193, China
| | - Yu Zhang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China
| | - Wei-Qi Cai
- BNLMS, CAS Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Li Liu
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Laboratory of Molecular Recognition and Function, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Xin-Jing Tang
- State Key Laboratory of Natural and Biomimetic Drugs, School of Pharmaceutical Sciences, Peking University, Beijing, 100191, China
| | - Jian Hou
- State Key Laboratory of Agrobiotechnology and College of Biological Science, China Agricultural University, Beijing, 100193, China
| | - Ming Wang
- BNLMS, CAS Key Laboratory of Analytical Chemistry for Living Biosystems, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
| | - Liang Cheng
- Beijing National Laboratory for Molecular Sciences (BNLMS), CAS Key Laboratory of Molecular Recognition and Function, CAS Research/Education Center for Excellence in Molecular Sciences, Institute of Chemistry, Chinese Academy of Sciences, Beijing, 100190, China
- Hangzhou Institute for Advanced Study, University of Chinese Academy of Sciences, Chinese Academy of Sciences, Hangzhou, 310024, China
- University of Chinese Academy of Sciences, Beijing, 100049, China
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9
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Ji H, Xiong W, Zhang K, Tian T, Zhou X. Hydrogen Peroxide-triggered Chemical Strategy for Controlling CRISPR systems. Chem Asian J 2022; 17:e202200214. [PMID: 35483968 DOI: 10.1002/asia.202200214] [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: 03/01/2022] [Revised: 04/04/2022] [Indexed: 11/09/2022]
Abstract
The function of the CRISPR system can be conditionally controlled through rationally guided RNA engineering such that the target sequences can be precisely selected and manipulated. In particular, gRNA, as an important component of the CRISPR system, provides a unique tool for multifunctional control of the system based on the structure of the RNA itself. Therefore, we introduced here a protective group on the 2'-OH position of RNA to inhibit RNA-guided nucleic acid cleavage. Next, the modified gRNA can restore its original function under the chemical stimulation of hydrogen peroxide to realize the control of the CRISPR system. The experiment result demonstrated that the operating mechanism of this strategy may be based on chemical modifications that reduce the number of complementary base pairs between RNAs and targets, and the RNA-protein interaction. This further enriches the toolbox of conditional control of CRISPR function and has broad potential for gene editing in living cells and disease treatment using endogenous hydrogen peroxide.
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Affiliation(s)
- Huimin Ji
- The Institute of Molecular Medicine, Wuhan University People's Hospital, Key Laboratory of Biomedical Polymers of Ministry of Education, College of Chemistry and Molecular Sciences, Hubei Province Key Laboratory of Allergy and Immunology, Wuhan University, 430072, Wuhan, Hubei, P. R. China
| | - Wei Xiong
- The Institute of Molecular Medicine, Wuhan University People's Hospital, Key Laboratory of Biomedical Polymers of Ministry of Education, College of Chemistry and Molecular Sciences, Hubei Province Key Laboratory of Allergy and Immunology, Wuhan University, 430072, Wuhan, Hubei, P. R. China
| | - Kaisong Zhang
- The Institute of Molecular Medicine, Wuhan University People's Hospital, Key Laboratory of Biomedical Polymers of Ministry of Education, College of Chemistry and Molecular Sciences, Hubei Province Key Laboratory of Allergy and Immunology, Wuhan University, 430072, Wuhan, Hubei, P. R. China
| | - Tian Tian
- The Institute of Molecular Medicine, Wuhan University People's Hospital, Key Laboratory of Biomedical Polymers of Ministry of Education, College of Chemistry and Molecular Sciences, Hubei Province Key Laboratory of Allergy and Immunology, Wuhan University, 430072, Wuhan, Hubei, P. R. China
| | - Xiang Zhou
- The Institute of Molecular Medicine, Wuhan University People's Hospital, Key Laboratory of Biomedical Polymers of Ministry of Education, College of Chemistry and Molecular Sciences, Hubei Province Key Laboratory of Allergy and Immunology, Wuhan University, 430072, Wuhan, Hubei, P. R. China
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10
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Photocontrolled crRNA activation enables robust CRISPR-Cas12a diagnostics. Proc Natl Acad Sci U S A 2022; 119:e2202034119. [PMID: 35727982 DOI: 10.1073/pnas.2202034119] [Citation(s) in RCA: 47] [Impact Index Per Article: 23.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/24/2022] Open
Abstract
CRISPR diagnostics based on nucleic acid amplification faces barriers to its commercial use, such as contamination risks and insufficient sensitivity. Here, we propose a robust solution involving optochemical control of CRISPR RNA (crRNA) activation in CRISPR detection. Based on this strategy, recombinase polymerase amplification (RPA) and CRISPR-Cas12a detection systems can be integrated into a completely closed test tube. crRNA can be designed to be temporarily inactivated so that RPA is not affected by Cas12a cleavage. After the RPA reaction is completed, the CRISPR-Cas12a detection system is activated under rapid light irradiation. This photocontrolled, fully closed CRISPR diagnostic system avoids contamination risks and exhibits a more than two orders of magnitude improvement in sensitivity compared with the conventional one-pot assay. This photocontrolled CRISPR method was applied to the clinical detection of severe acute respiratory syndrome coronavirus 2 (SARS-CoV-2) RNA, achieving detection sensitivity and specificity comparable to those of PCR. Furthermore, a compact and automatic photocontrolled CRISPR detection device was constructed.
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11
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Zhang D, Liu L, Jin S, Tota E, Li Z, Piao X, Zhang X, Fu XD, Devaraj NK. Site-Specific and Enzymatic Cross-Linking of sgRNA Enables Wavelength-Selectable Photoactivated Control of CRISPR Gene Editing. J Am Chem Soc 2022; 144:4487-4495. [PMID: 35257575 PMCID: PMC9469474 DOI: 10.1021/jacs.1c12166] [Citation(s) in RCA: 14] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/11/2022]
Abstract
Chemical cross-linking enables rapid identification of RNA-protein and RNA-nucleic acid inter- and intramolecular interactions. However, no method exists to site-specifically and covalently cross-link two user-defined sites within an RNA. Here, we develop RNA-CLAMP, which enables site-specific and enzymatic cross-linking (clamping) of two selected guanine residues within an RNA. Intramolecular clamping can disrupt normal RNA function, whereas subsequent photocleavage of the cross-linker restores activity. We used RNA-CLAMP to clamp two stem loops within the single-guide RNA (sgRNA) of the CRISPR-Cas9 gene editing system via a photocleavable cross-linker, completely inhibiting gene editing. Visible light irradiation cleaved the cross-linker and restored gene editing with high spatiotemporal resolution. Design of two photocleavable linkers responsive to different wavelengths of light allowed multiplexed photoactivation of gene editing in mammalian cells. This photoactivated CRISPR-Cas9 gene editing platform benefits from undetectable background activity, provides a choice of activation wavelengths, and has multiplexing capabilities.
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Affiliation(s)
- Dongyang Zhang
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, California 92093, United States
| | - Luping Liu
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, California 92093, United States
| | - Shuaijiang Jin
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, California 92093, United States
| | - Ember Tota
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, California 92093, United States
| | - Zijie Li
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, California 92093, United States
| | - Xijun Piao
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, California 92093, United States
| | - Xuan Zhang
- Department of Cellular and Molecular Medicine, University of California, San Diego, La Jolla, California 92093, United States
| | - Xiang-Dong Fu
- Department of Cellular and Molecular Medicine, University of California, San Diego, La Jolla, California 92093, United States
| | - Neal K Devaraj
- Department of Chemistry and Biochemistry, University of California, San Diego, La Jolla, California 92093, United States
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Prokhorova D, Zhukova (Eschenko) N, Lemza A, Sergeeva M, Amirkhanov R, Stepanov G. Application of the CRISPR/Cas9 System to Study Regulation Pathways of the Cellular Immune Response to Influenza Virus. Viruses 2022; 14:v14020437. [PMID: 35216030 PMCID: PMC8879999 DOI: 10.3390/v14020437] [Citation(s) in RCA: 1] [Impact Index Per Article: 0.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/28/2021] [Revised: 02/04/2022] [Accepted: 02/16/2022] [Indexed: 11/16/2022] Open
Abstract
Influenza A virus (IAV) causes a respiratory infection that affects millions of people of different age groups and can lead to acute respiratory distress syndrome. Currently, host genes, receptors, and other cellular components critical for IAV replication are actively studied. One of the most convenient and accessible genome-editing tools to facilitate these studies is the CRISPR/Cas9 system. This tool allows for regulating the expression of both viral and host cell genes to enhance or impair viral entry and replication. This review considers the effect of the genome editing system on specific target genes in cells (human and chicken) in terms of subsequent changes in the influenza virus life cycle and the efficiency of virus particle production.
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Affiliation(s)
- Daria Prokhorova
- Laboratory of Genome Editing, Institute of Chemical Biology and Fundamental Medicine of the Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (D.P.); (N.Z.); (A.L.); (M.S.); (R.A.)
- Department of Natural Sciences, Novosibirsk State University, 630090 Novosibirsk, Russia
| | - Natalya Zhukova (Eschenko)
- Laboratory of Genome Editing, Institute of Chemical Biology and Fundamental Medicine of the Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (D.P.); (N.Z.); (A.L.); (M.S.); (R.A.)
| | - Anna Lemza
- Laboratory of Genome Editing, Institute of Chemical Biology and Fundamental Medicine of the Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (D.P.); (N.Z.); (A.L.); (M.S.); (R.A.)
| | - Mariia Sergeeva
- Laboratory of Genome Editing, Institute of Chemical Biology and Fundamental Medicine of the Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (D.P.); (N.Z.); (A.L.); (M.S.); (R.A.)
- Laboratory of Vector Vaccines, Smorodintsev Research Institute of Influenza, Ministry of Health of the Russian Federation, 197376 Saint Petersburg, Russia
| | - Rinat Amirkhanov
- Laboratory of Genome Editing, Institute of Chemical Biology and Fundamental Medicine of the Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (D.P.); (N.Z.); (A.L.); (M.S.); (R.A.)
| | - Grigory Stepanov
- Laboratory of Genome Editing, Institute of Chemical Biology and Fundamental Medicine of the Siberian Branch of the Russian Academy of Sciences, 630090 Novosibirsk, Russia; (D.P.); (N.Z.); (A.L.); (M.S.); (R.A.)
- Correspondence: ; Tel.: +7-383-3635189
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