1
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Zhan P, Yang J, Ding L, Jing X, Hipp K, Nussberger S, Yan H, Liu N. 3D DNA origami pincers that multitask on giant unilamellar vesicles. SCIENCE ADVANCES 2024; 10:eadn8903. [PMID: 39151012 PMCID: PMC11328896 DOI: 10.1126/sciadv.adn8903] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 01/05/2024] [Accepted: 07/10/2024] [Indexed: 08/18/2024]
Abstract
Proteins self-assemble to function in living cells. They may execute essential tasks in the form of monomers, complexes, or supramolecular cages via oligomerization, achieving a sophisticated balance between structural topology and functional dynamics. The modularity and programmability make DNA origami unique in mimicking these key features. Here, we demonstrate three-dimensional reconfigurable DNA origami pincers (DOPs) that multitask on giant unilamellar vesicles (GUVs). By programmably adjusting their pinching angle, the DOPs can dynamically control the degree of GUV remodeling. When oligomerized on the GUV to form origami cages, the DOP units interact with one another and undergo reorganization, resulting in the capture, compartmentalization, and detachment of lipid fragments. This oligomerization process is accompanied with membrane disruptions, enabling the passage of cargo across the membrane. We envisage that interfacing synthetic cells with engineered, multifunctional DNA nanostructures may help to confer customized cellular properties, unleashing the potential of both fields.
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Affiliation(s)
- Pengfei Zhan
- Hangzhou Institute of Medicine, Chinese Academy of Sciences, 310022 Hangzhou, Zhejiang, China
- 2nd Physics Institute, University of Stuttgart, D-70569 Stuttgart, Germany
| | - Juanjuan Yang
- 2nd Physics Institute, University of Stuttgart, D-70569 Stuttgart, Germany
- Max Planck Institute for Solid State Research, D-70569 Stuttgart, Germany
| | - Longjiang Ding
- 2nd Physics Institute, University of Stuttgart, D-70569 Stuttgart, Germany
- Max Planck Institute for Solid State Research, D-70569 Stuttgart, Germany
| | - Xinxin Jing
- 2nd Physics Institute, University of Stuttgart, D-70569 Stuttgart, Germany
- Max Planck Institute for Solid State Research, D-70569 Stuttgart, Germany
| | - Katharina Hipp
- Electron Microscopy, Max Planck Institute for Biology Tübingen, 72076 Tübingen, Germany
| | - Stephan Nussberger
- Department of Biophysics, Institute of Biomaterials and Biomolecular Systems, University of Stuttgart, D-70569 Stuttgart, Germany
| | - Hao Yan
- Biodesign Center for Molecular Design and Biomimetics, Arizona State University, Tempe, AZ 85287, USA
| | - Na Liu
- 2nd Physics Institute, University of Stuttgart, D-70569 Stuttgart, Germany
- Max Planck Institute for Solid State Research, D-70569 Stuttgart, Germany
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2
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Le QV, Shim G. Biorobotic Drug Delivery for Biomedical Applications. Molecules 2024; 29:3663. [PMID: 39125066 PMCID: PMC11314275 DOI: 10.3390/molecules29153663] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/30/2024] [Revised: 06/24/2024] [Accepted: 06/27/2024] [Indexed: 08/12/2024] Open
Abstract
Despite extensive efforts, current drug-delivery systems face biological barriers and difficulties in bench-to-clinical use. Biomedical robotic systems have emerged as a new strategy for drug delivery because of their innovative diminutive engines. These motors enable the biorobots to move independently rather than relying on body fluids. The main components of biorobots are engines controlled by external stimuli, chemical reactions, and biological responses. Many biorobot designs are inspired by blood cells or microorganisms that possess innate swimming abilities and can incorporate living materials into their structures. This review explores the mechanisms of biorobot locomotion, achievements in robotic drug delivery, obstacles, and the perspectives of translational research.
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Affiliation(s)
- Quoc-Viet Le
- Faculty of Pharmacy, Ton Duc Thang University, Ho Chi Minh City 700000, Vietnam;
| | - Gayong Shim
- School of Systems Biomedical Science, Soongsil University, Seoul 06978, Republic of Korea
- Integrative Institute of Basic Sciences, Soongsil University, Seoul 06978, Republic of Korea
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3
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Takezawa Y, Shionoya M. Enzymatic synthesis of ligand-bearing oligonucleotides for the development of metal-responsive DNA materials. Org Biomol Chem 2024. [PMID: 38967487 DOI: 10.1039/d4ob00947a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 07/06/2024]
Abstract
Metal-mediated artificial base pairs are some of the most promising building blocks for constructing DNA-based supramolecules and functional materials. These base pairs are formed by coordination bonds between ligand-type nucleobases and a bridging metal ion and have been exploited to develop metal-responsive DNA materials and DNA-templated metal arrays. In this review, we provide an overview of methods for the enzymatic synthesis of DNA strands containing ligand-type artificial nucleotides that form metal-mediated base pairs. Conventionally, ligand-bearing DNA oligomers have been synthesized via solid-phase synthesis using a DNA synthesizer. In recent years, there has been growing interest in enzymatic methods as an alternative approach to synthesize ligand-bearing DNA oligomers, because enzymatic reactions proceed under mild conditions and do not require protecting groups. DNA polymerases are used to incorporate ligand-bearing unnatural nucleotides into DNA, and DNA ligases are used to connect artificial DNA oligomers to natural DNA fragments. Template-independent polymerases are also utilized to post-synthetically append ligand-bearing nucleotides to DNA oligomers. In addition, enzymatic replication of DNA duplexes containing metal-mediated base pairs has been intensively studied. Enzymatic methods facilitate the synthesis of DNA strands containing ligand-bearing nucleotides at both internal and terminal positions. Enzymatically synthesized ligand-bearing DNAs have been applied to metal-dependent self-assembly of DNA structures and the allosteric control of DNAzyme activity through metal-mediated base pairing. Therefore, the enzymatic synthesis of ligand-bearing oligonucleotides holds great potential in advancing the development of various metal-responsive DNA materials, such as molecular sensors and machines, providing a versatile tool for DNA supramolecular chemistry and nanotechnology.
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Affiliation(s)
- Yusuke Takezawa
- Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.
| | - Mitsuhiko Shionoya
- Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.
- Research Institute for Science and Technology, Tokyo University of Science, 2641 Yamazaki, Noda-shi, Chiba 278-8510, Japan.
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4
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Ji W, Xiong X, Cao M, Zhu Y, Li L, Wang F, Fan C, Pei H. Encoding signal propagation on topology-programmed DNA origami. Nat Chem 2024:10.1038/s41557-024-01565-2. [PMID: 38886615 DOI: 10.1038/s41557-024-01565-2] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/11/2022] [Accepted: 05/24/2024] [Indexed: 06/20/2024]
Abstract
Biological systems often rely on topological transformation to reconfigure connectivity between nodes to guide the flux of molecular information. Here we develop a topology-programmed DNA origami system that encodes signal propagation at the nanoscale, analogous to topologically efficient information processing in cellular systems. We present a systematic molecular implementation of topological operations involving 'glue-cut' processes that can prompt global conformational change of DNA origami structures, with demonstrated major topological properties including genus, number of boundary components and orientability. By spatially arranging reactive DNA hairpins, we demonstrate signal propagation across transmission paths of varying lengths and orientations, and curvatures on the curved surfaces of three-dimensional origamis. These DNA origamis can also form dynamic scaffolds for regulating the spatial and temporal signal propagations whereby topological transformations spontaneously alter the location of nodes and boundary of signal propagation network. We anticipate that our strategy for topological operations will provide a general route to manufacture dynamic DNA origami nanostructures capable of performing global structural transformations under programmable control.
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Affiliation(s)
- Wei Ji
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes; Shanghai Center of Brain-inspired Intelligent Materials and Devices; Shanghai Frontiers Science Center of Molecule Intelligent Syntheses; School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, China
| | - Xiewei Xiong
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes; Shanghai Center of Brain-inspired Intelligent Materials and Devices; Shanghai Frontiers Science Center of Molecule Intelligent Syntheses; School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, China
| | - Mengyao Cao
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes; Shanghai Center of Brain-inspired Intelligent Materials and Devices; Shanghai Frontiers Science Center of Molecule Intelligent Syntheses; School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, China
| | - Yun Zhu
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes; Shanghai Center of Brain-inspired Intelligent Materials and Devices; Shanghai Frontiers Science Center of Molecule Intelligent Syntheses; School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, China
| | - Li Li
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes; Shanghai Center of Brain-inspired Intelligent Materials and Devices; Shanghai Frontiers Science Center of Molecule Intelligent Syntheses; School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, China
| | - Fei Wang
- School of Chemistry and Chemical Engineering, New Cornerstone Science Laboratory, Frontiers Science Center for Transformative Molecules, Zhangjiang Institute for Advanced Study and National Center for Translational Medicine, Shanghai Jiao Tong University, Shanghai, China
| | - Chunhai Fan
- School of Chemistry and Chemical Engineering, New Cornerstone Science Laboratory, Frontiers Science Center for Transformative Molecules, Zhangjiang Institute for Advanced Study and National Center for Translational Medicine, Shanghai Jiao Tong University, Shanghai, China.
- Institute of Molecular Medicine, Shanghai Key Laboratory for Nucleic Acids Chemistry and Nanomedicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, China.
| | - Hao Pei
- Shanghai Key Laboratory of Green Chemistry and Chemical Processes; Shanghai Center of Brain-inspired Intelligent Materials and Devices; Shanghai Frontiers Science Center of Molecule Intelligent Syntheses; School of Chemistry and Molecular Engineering, East China Normal University, Shanghai, China.
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5
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Zhu D, Zhao D, Hu Y, Wei T, Su T, Su S, Chao J, Wang L. Programmably engineered stochastic RNA nanowalker for ultrasensitive miRNA detection. Chem Commun (Camb) 2024; 60:6142-6145. [PMID: 38804211 DOI: 10.1039/d4cc01656d] [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: 05/29/2024]
Abstract
A programmably engineered stochastic RNA nanowalker powered by duplex-specific nuclease (DSN) is developed. By utilizing poly-adenine-based spherical nucleic acids (polyA-SNA) to accurately regulate the densities of DNA tracks, the nanowalker showcases its capability to identify miRNA-21, miRNA-486, and miRNA-155 with quick kinetics and attomolar sensitivity, positioning it as a promising option for cancer clinical surveillance.
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Affiliation(s)
- Dan Zhu
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing 210023, China.
- State Key Laboratory of Transducer Technology, Shanghai Institute of Microsystem and Information Technology, Chinese Academy of Sciences, Shanghai 200050, China
| | - Dongxia Zhao
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing 210023, China.
| | - Yang Hu
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing 210023, China.
| | - Tianhui Wei
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing 210023, China.
| | - Tong Su
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing 210023, China.
| | - Shao Su
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing 210023, China.
| | - Jie Chao
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing 210023, China.
| | - Lianhui Wang
- State Key Laboratory of Organic Electronics and Information Displays & Jiangsu Key Laboratory for Biosensors, Institute of Advanced Materials (IAM), Nanjing University of Posts and Telecommunications, 9 Wenyuan Road, Nanjing 210023, China.
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6
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Kou B, Wang Z, Mousavi S, Wang P, Ke Y. Dynamic Gold Nanostructures Based on DNA Self Assembly. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2024; 20:e2308862. [PMID: 38143287 DOI: 10.1002/smll.202308862] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/04/2023] [Revised: 12/10/2023] [Indexed: 12/26/2023]
Abstract
The combination of DNA nanotechnology and Nano Gold (NG) plasmon has opened exciting possibilities for a new generation of functional plasmonic systems that exhibit tailored optical properties and find utility in various applications. In this review, the booming development of dynamic gold nanostructures are summarized, which are formed by DNA self-assembly using DNA-modified NG, DNA frameworks, and various driving forces. The utilization of bottom-up strategies enables precise control over the assembly of reversible and dynamic aggregations, nano-switcher structures, and robotic nanomachines capable of undergoing on-demand, reversible structural changes that profoundly impact their properties. Benefiting from the vast design possibilities, complete addressability, and sub-10 nm resolution, DNA duplexes, tiles, single-stranded tiles and origami structures serve as excellent platforms for constructing diverse 3D reconfigurable plasmonic nanostructures with tailored optical properties. Leveraging the responsive nature of DNA interactions, the fabrication of dynamic assemblies of NG becomes readily achievable, and environmental stimulation can be harnessed as a driving force for the nanomotors. It is envisioned that intelligent DNA-assembled NG nanodevices will assume increasingly important roles in the realms of biological, biomedical, and nanomechanical studies, opening a new avenue toward exploration and innovation.
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Affiliation(s)
- Bo Kou
- Jiangsu Key Laboratory of Advanced Structural Materials and Application Technology, School of Materials Science and Engineering, Nanjing Institute of Technology, Nanjing, 211167, China
| | - Zhichao Wang
- Jiangsu Key Laboratory of Advanced Structural Materials and Application Technology, School of Materials Science and Engineering, Nanjing Institute of Technology, Nanjing, 211167, China
| | - Shikufa Mousavi
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, Georgia, 30322, USA
| | - Pengfei Wang
- Institute of Molecular Medicine, Department of Laboratory Medicine, Renji Hospital, School of Medicine, Shanghai Jiao Tong University, Shanghai, 200127, China
| | - Yonggang Ke
- Wallace H. Coulter Department of Biomedical Engineering, Georgia Institute of Technology and Emory University, Atlanta, Georgia, 30322, USA
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7
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Wei W, Wang Z, Wang B, He X, Wang Y, Bai Y, Yang Q, Pang W, Duan X. Acoustofluidic manipulation for submicron to nanoparticles. Electrophoresis 2024. [PMID: 38794970 DOI: 10.1002/elps.202400062] [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: 03/29/2024] [Revised: 04/25/2024] [Accepted: 04/29/2024] [Indexed: 05/27/2024]
Abstract
Particles, ranging from submicron to nanometer scale, can be broadly categorized into biological and non-biological types. Submicron-to-nanoscale bioparticles include various bacteria, viruses, liposomes, and exosomes. Non-biological particles cover various inorganic, metallic, and carbon-based particles. The effective manipulation of these submicron to nanoparticles, including their separation, sorting, enrichment, assembly, trapping, and transport, is a fundamental requirement for different applications. Acoustofluidics, owing to their distinct advantages, have emerged as a potent tool for nanoparticle manipulation over the past decade. Although recent literature reviews have encapsulated the evolution of acoustofluidic technology, there is a paucity of reports specifically addressing the acoustical manipulation of submicron to nanoparticles. This article endeavors to provide a comprehensive study of this topic, delving into the principles, apparatus, and merits of acoustofluidic manipulation of submicron to nanoparticles, and discussing the state-of-the-art developments in this technology. The discourse commences with an introduction to the fundamental theory of acoustofluidic control and the forces involved in nanoparticle manipulation. Subsequently, the working mechanism of acoustofluidic manipulation of submicron to nanoparticles is dissected into two parts, dominated by the acoustic wave field and the acoustic streaming field. A critical analysis of the advantages and limitations of different acoustofluidic platforms in nanoparticles control is presented. The article concludes with a summary of the challenges acoustofluidics face in the realm of nanoparticle manipulation and analysis, and a forecast of future development prospects.
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Affiliation(s)
- Wei Wei
- State Key Laboratory of Precision Measuring Technology & Instruments, Tianjin University, Tianjin, P. R. China
| | - Zhaoxun Wang
- State Key Laboratory of Precision Measuring Technology & Instruments, Tianjin University, Tianjin, P. R. China
| | - Bingnan Wang
- State Key Laboratory of Precision Measuring Technology & Instruments, Tianjin University, Tianjin, P. R. China
| | - Xinyuan He
- State Key Laboratory of Precision Measuring Technology & Instruments, Tianjin University, Tianjin, P. R. China
| | - Yaping Wang
- State Key Laboratory of Precision Measuring Technology & Instruments, Tianjin University, Tianjin, P. R. China
| | - Yang Bai
- State Key Laboratory of Precision Measuring Technology & Instruments, Tianjin University, Tianjin, P. R. China
| | - Qingrui Yang
- State Key Laboratory of Precision Measuring Technology & Instruments, Tianjin University, Tianjin, P. R. China
| | - Wei Pang
- State Key Laboratory of Precision Measuring Technology & Instruments, Tianjin University, Tianjin, P. R. China
| | - Xuexin Duan
- State Key Laboratory of Precision Measuring Technology & Instruments, Tianjin University, Tianjin, P. R. China
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8
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Willner E, Kolbe F, Momburg F, Protzer U, Dietz H. Hepatitis B Virus Neutralization with DNA Origami Nanoshells. ACS APPLIED MATERIALS & INTERFACES 2024; 16:25836-25842. [PMID: 38728653 PMCID: PMC11129107 DOI: 10.1021/acsami.4c03700] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/05/2024] [Revised: 04/30/2024] [Accepted: 05/03/2024] [Indexed: 05/12/2024]
Abstract
We demonstrate the use of DNA origami to create virus-trapping nanoshells that efficiently neutralize hepatitis B virus (HBV) in cell culture. By modification of the shells with a synthetic monoclonal antibody that binds to the HBV envelope, the effective neutralization potency per antibody is increased by approximately 100 times compared to using free antibodies. The improvements in neutralizing the virus are attributed to two factors: first, the shells act as a physical barrier that blocks the virus from interacting with host cells; second, the multivalent binding of the antibodies inside the shells lead to stronger attachment to the trapped virus, a phenomenon known as avidity. Pre-incubation of shells with HBV and simultaneous addition of both components separately to cells lead to comparable levels of neutralization, indicating rapid trapping of the virions by the shells. Our study highlights the potential of the DNA shell system to rationally create antivirals using components that, when used individually, show little to no antiviral effectiveness.
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Affiliation(s)
- Elena
M. Willner
- Department
of Biosciences, School of Natural Sciences and Munich Institute of
Biomedical Engineering, Technical University
of Munich, Boltzmannstraße 11, 85748 Garching, Germany
| | - Fenna Kolbe
- Institute
of Virology, School of Medicine & Health, Technical University of Munich and Helmholtz Munich, Trogerstraße 30, 81675 Munich, Germany
| | - Frank Momburg
- Translational
Immunity Unit, German Cancer Research Center
(DKFZ), Im Neuenheimer Feld, 69120 Heidelberg, Germany
| | - Ulrike Protzer
- Institute
of Virology, School of Medicine & Health, Technical University of Munich and Helmholtz Munich, Trogerstraße 30, 81675 Munich, Germany
- German
Center for Infection Research (DZIF),
Munich Partner Site, 81675 Munich, Germany
| | - Hendrik Dietz
- Department
of Biosciences, School of Natural Sciences and Munich Institute of
Biomedical Engineering, Technical University
of Munich, Boltzmannstraße 11, 85748 Garching, Germany
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9
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Kalra S, Donnelly A, Singh N, Matthews D, Del Villar-Guerra R, Bemmer V, Dominguez C, Allcock N, Cherny D, Revyakin A, Rusling DA. Functionalizing DNA Origami by Triplex-Directed Site-Specific Photo-Cross-Linking. J Am Chem Soc 2024; 146:13617-13628. [PMID: 38695163 PMCID: PMC11100008 DOI: 10.1021/jacs.4c03413] [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: 03/12/2024] [Revised: 04/22/2024] [Accepted: 04/23/2024] [Indexed: 05/16/2024]
Abstract
Here, we present a cross-linking approach to covalently functionalize and stabilize DNA origami structures in a one-pot reaction. Our strategy involves adding nucleotide sequences to adjacent staple strands, so that, upon assembly of the origami structure, the extensions form short hairpin duplexes targetable by psoralen-labeled triplex-forming oligonucleotides bearing other functional groups (pso-TFOs). Subsequent irradiation with UVA light generates psoralen adducts with one or both hairpin staples leading to site-specific attachment of the pso-TFO (and attached group) to the origami with ca. 80% efficiency. Bis-adduct formation between strands in proximal hairpins further tethers the TFO to the structure and generates "superstaples" that improve the structural integrity of the functionalized complex. We show that directing cross-linking to regions outside of the origami core dramatically reduces sensitivity of the structures to thermal denaturation and disassembly by T7 RNA polymerase. We also show that the underlying duplex regions of the origami core are digested by DNase I and thus remain accessible to read-out by DNA-binding proteins. Our strategy is scalable and cost-effective, as it works with existing DNA origami structures, does not require scaffold redesign, and can be achieved with just one psoralen-modified oligonucleotide.
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Affiliation(s)
- Shantam Kalra
- Department
of Molecular and Cell Biology, and Leicester Institute of Chemical
Biology, University of Leicester, Leicester LE1 7RH, U.K.
| | - Amber Donnelly
- Department
of Molecular and Cell Biology, and Leicester Institute of Chemical
Biology, University of Leicester, Leicester LE1 7RH, U.K.
| | - Nishtha Singh
- Department
of Molecular and Cell Biology, and Leicester Institute of Chemical
Biology, University of Leicester, Leicester LE1 7RH, U.K.
| | - Daniel Matthews
- Department
of Molecular and Cell Biology, and Leicester Institute of Chemical
Biology, University of Leicester, Leicester LE1 7RH, U.K.
| | - Rafael Del Villar-Guerra
- Department
of Molecular and Cell Biology, and Leicester Institute of Chemical
Biology, University of Leicester, Leicester LE1 7RH, U.K.
| | - Victoria Bemmer
- Centre
for Enzyme Innovation, School of Biological Sciences, University of Portsmouth, Portsmouth, Hampshire PO1 2DY, U.K.
| | - Cyril Dominguez
- Department
of Molecular and Cell Biology, and Leicester Institute of Chemical
Biology, University of Leicester, Leicester LE1 7RH, U.K.
| | - Natalie Allcock
- Core
Biotechnology Services Electron Microscopy Facility, University of Leicester, Leicester LE1 7RH, U.K.
| | - Dmitry Cherny
- Department
of Molecular and Cell Biology, and Leicester Institute of Chemical
Biology, University of Leicester, Leicester LE1 7RH, U.K.
| | - Andrey Revyakin
- Department
of Molecular and Cell Biology, and Leicester Institute of Chemical
Biology, University of Leicester, Leicester LE1 7RH, U.K.
| | - David A. Rusling
- School
of Medicine, Pharmacy and Biomedical Sciences, University of Portsmouth, Portsmouth PO1 2DT, U.K.
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10
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Patiño Padial T, Del Grosso E, Gentile S, Baranda Pellejero L, Mestre R, Paffen LJMM, Sánchez S, Ricci F. Synthetic DNA-based Swimmers Driven by Enzyme Catalysis. J Am Chem Soc 2024; 146:12664-12671. [PMID: 38587543 DOI: 10.1021/jacs.4c02094] [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: 04/09/2024]
Abstract
Here, we report DNA-based synthetic nanostructures decorated with enzymes (hereafter referred to as DNA-enzyme swimmers) that self-propel by converting the enzymatic substrate to the product in solution. The DNA-enzyme swimmers are obtained from tubular DNA structures that self-assemble spontaneously by the hybridization of DNA tiles. We functionalize these DNA structures with two different enzymes, urease and catalase, and show that they exhibit concentration-dependent movement and enhanced diffusion upon addition of the enzymatic substrate (i.e., urea and H2O2). To demonstrate the programmability of such DNA-based swimmers, we also engineer DNA strands that displace the enzyme from the DNA scaffold, thus acting as molecular "brakes" on the DNA swimmers. These results serve as a first proof of principle for the development of synthetic DNA-based enzyme-powered swimmers that can self-propel in fluids.
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Affiliation(s)
- Tania Patiño Padial
- Department of Chemical Sciences and Technologies, University of Rome, Tor Vergata, Via della Ricerca Scientifica, 00133 Rome, Italy
- Biomedical Engineering Department, Institute for Complex Molecular Systems, Technische Universiteit Eindhoven, Het Kranenveld 14, 5612 AZ Eindhoven, The Netherlands
| | - Erica Del Grosso
- Department of Chemical Sciences and Technologies, University of Rome, Tor Vergata, Via della Ricerca Scientifica, 00133 Rome, Italy
| | - Serena Gentile
- Department of Chemical Sciences and Technologies, University of Rome, Tor Vergata, Via della Ricerca Scientifica, 00133 Rome, Italy
| | - Lorena Baranda Pellejero
- Department of Chemical Sciences and Technologies, University of Rome, Tor Vergata, Via della Ricerca Scientifica, 00133 Rome, Italy
| | - Rafael Mestre
- School of Electronics and Computer Science (ECS), University of Southampton, University Road, Southampton SO17 1BJ, U.K
| | - Lars J M M Paffen
- Biomedical Engineering Department, Institute for Complex Molecular Systems, Technische Universiteit Eindhoven, Het Kranenveld 14, 5612 AZ Eindhoven, The Netherlands
| | - Samuel Sánchez
- Institute for Bioengineering of Catalonia (IBEC), The Barcelona Institute of Science and Technology (BIST), Baldiri i Reixac 10-12, 08028 Barcelona, Spain
- Catalan Institute for Research and Advanced Studies (ICREA), Pg. Lluís Companys 23, Barcelona 08010, Spain
| | - Francesco Ricci
- Department of Chemical Sciences and Technologies, University of Rome, Tor Vergata, Via della Ricerca Scientifica, 00133 Rome, Italy
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11
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Kang H, Yang Y, Wei B. Synthetic molecular switches driven by DNA-modifying enzymes. Nat Commun 2024; 15:3781. [PMID: 38710688 DOI: 10.1038/s41467-024-47742-2] [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: 08/08/2023] [Accepted: 04/10/2024] [Indexed: 05/08/2024] Open
Abstract
Taking inspiration from natural systems, in which molecular switches are ubiquitous in the biochemistry regulatory network, we aim to design and construct synthetic molecular switches driven by DNA-modifying enzymes, such as DNA polymerase and nicking endonuclease. The enzymatic treatments on our synthetic DNA constructs controllably switch ON or OFF the sticky end cohesion and in turn cascade to the structural association or disassociation. Here we showcase the concept in multiple DNA nanostructure systems with robust assembly/disassembly performance. The switch mechanisms are first illustrated in minimalist systems with a few DNA strands. Then the ON/OFF switches are realized in complex DNA lattice and origami systems with designated morphological changes responsive to the specific enzymatic treatments.
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Affiliation(s)
- Hong Kang
- School of Life Sciences, Center for Synthetic and Systems Biology, Tsinghua University, 100084, Beijing, China
- Department of Biochemistry and Biophysics, University of Pennsylvania Perelman School of Medicine, Philadelphia, PA, USA
| | - Yuexuan Yang
- School of Life Sciences, Center for Synthetic and Systems Biology, Tsinghua University, 100084, Beijing, China
| | - Bryan Wei
- School of Life Sciences, Center for Synthetic and Systems Biology, Tsinghua University, 100084, Beijing, China.
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12
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Li H, Wang Y, Wan Y, Li M, Xu J, Wang Q, Wu D. Stimuli-responsive incremental DNA machine auto-catalyzed CRISPR-Cas12a feedback amplification permits ultrasensitive molecular diagnosis of esophageal cancer-related microRNA. Talanta 2024; 271:125675. [PMID: 38245957 DOI: 10.1016/j.talanta.2024.125675] [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: 11/28/2023] [Revised: 01/07/2024] [Accepted: 01/13/2024] [Indexed: 01/23/2024]
Abstract
Development of new diagnostic methods is essential for disease diagnosis and treatment. In this work, we present a stimuli-responsive incremental DNA machine auto-catalyzed CRISPR-Cas12a (SRI-DNA machine/CRISPR-Cas12a) feedback amplification for ultrasensitive molecular detection of miRNA-21, which is an important biomarker related closely to the initiation and development of cancers, such as esophageal cancer. Strategically, the powerful SRI-DNA machine and efficient trans-cleavage activity of the CRISPR-Cas12a system are ingeniously integrated via a rationally designed probe termed as stem-elongated functional hairpin probe (SEF-HP). The SRI-DNA machine begins with the target miRNA, the trigger of the reaction, binding complementarily to the SEF-HP, followed by autonomously performed mechanical strand replication, cleavage, and displacement circuit at multiple sites. This conversion process led to the amplified generation of numerous DNA activators that are complementary with CRISPR RNA (CrRNA). Once formed the DNA activator/CrRNA heteroduplex, the trans-cleavage activity of the CRISPR-Cas12a was activated to nonspecific cleavage of single-stranded areas of a reporter probe for fluorescence emission. Under optimal conditions, the target miRNA can be detected with a wide linear range and an excellent specificity. As a proof-of-concept, this SRI-DNA machine/CRISPR-Cas12a feedback amplification system is adaptable and scalable to higher-order artificial amplification circuits for biomarkers detection, highlighting its promising potential in early diagnosis and disease treatment.
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Affiliation(s)
- Hongxia Li
- Department of Oncology, Hefei First People's Hospital, Third Affiliated Hospital of Anhui Medical University, Hefei, 230032, PR China
| | - Yi Wang
- Department of Oncology, Hefei First People's Hospital, Third Affiliated Hospital of Anhui Medical University, Hefei, 230032, PR China
| | - Yu Wan
- Department of Oncology, Hefei First People's Hospital, Third Affiliated Hospital of Anhui Medical University, Hefei, 230032, PR China
| | - Meimei Li
- Department of Oncology, Hefei First People's Hospital, Third Affiliated Hospital of Anhui Medical University, Hefei, 230032, PR China
| | - Jianguo Xu
- Jiaxing Key Laboratory of Molecular Recognition and Sensing, College of Biological, Chemical Sciences and Engineering, Jiaxing University, Zhejiang, Jiaxing, 314001, PR China; Engineering Research Center of Bio-Process, Ministry of Education, School of Food and Biological, Hefei University of Technology, Hefei, 230009, PR China.
| | - Qi Wang
- Key Laboratory of Embryo Development and Reproductive Regulation, Key Laboratory of Environmental Hormone and Reproduction, School of Biological and Food Engineering, Fuyang Normal University, Fuyang, 236037, PR China.
| | - Donglei Wu
- Department of Oncology, Hefei First People's Hospital, Third Affiliated Hospital of Anhui Medical University, Hefei, 230032, PR China.
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13
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Zhang X, Liu X, Zhang X, Cui S, Yao Y, Wang B, Zhang Q. Arbitrary Digital DNA Computing: A Programmable Molecular Perceptron Driven by Lambda Exonuclease for Lighting up Concatenated Circuits. ACS APPLIED MATERIALS & INTERFACES 2024. [PMID: 38688864 DOI: 10.1021/acsami.4c03486] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/02/2024]
Abstract
DNA circuits, as a type of biochemical system, have the capability to synchronize the perception of molecular information with a chemical reaction response and directly process the molecular characteristic information in biological activities, making them a crucial area in molecular digital computing and smart bioanalytical applications. Instead of cascading logic gates, the traditional research approach achieves multiple logic operations which limits the scalability of DNA circuits and increases the development costs. Based on the interface reaction mechanism of Lambda exonuclease, the molecular perceptron proposed in this study, with the need for only adjusting weight and bias parameters to alter the corresponding logic expressions, enhances the versatility of the molecular circuits. We also establish a mathematical model and an improved heuristic algorithm for solving weights and bias parameters for arbitrary logic operations. The simulation and FRET experiment results of a series of logic operations demonstrate the universality of molecular perceptron. We hope the proposed molecular perceptron can introduce a new design paradigm for molecular circuits, fostering innovation and development in biomedical research related to biosensing, targeted therapy, and nanomachines.
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Affiliation(s)
- Xun Zhang
- School of Computer Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Xin Liu
- School of Computer Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Xiaokang Zhang
- School of Computer Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Shuang Cui
- School of Computer Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Yao Yao
- School of Computer Science and Technology, Dalian University of Technology, Dalian 116024, China
| | - Bin Wang
- Key Laboratory of Advanced Design and Intelligent Computing, Dalian University, Dalian 116622, China
| | - Qiang Zhang
- School of Computer Science and Technology, Dalian University of Technology, Dalian 116024, China
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14
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Khoshouei A, Kempf G, Mykhailiuk V, Griessing JM, Honemann MN, Kater L, Cavadini S, Dietz H. Designing Rigid DNA Origami Templates for Molecular Visualization Using Cryo-EM. NANO LETTERS 2024; 24. [PMID: 38602296 PMCID: PMC11057029 DOI: 10.1021/acs.nanolett.4c00915] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/21/2024] [Revised: 04/07/2024] [Accepted: 04/09/2024] [Indexed: 04/12/2024]
Abstract
DNA origami, a method for constructing nanostructures from DNA, offers potential for diverse scientific and technological applications due to its ability to integrate various molecular functionalities in a programmable manner. In this study, we examined the impact of internal crossover distribution and the compositional uniformity of staple strands on the structure of multilayer DNA origami using cryogenic electron microscopy (cryo-EM) single-particle analysis. A refined DNA object was utilized as an alignment framework in a host-guest model, where we successfully resolved an 8 kDa thrombin binding aptamer (TBA) linked to the host object. Our results broaden the spectrum of DNA in structural applications.
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Affiliation(s)
- Ali Khoshouei
- Laboratory
for Biomolecular Nanotechnology, Department of Biosciences, School
of Natural Sciences, Technical University
of Munich, Am Coulombwall 4a, 85748 Garching, Germany
- Munich
Institute of Biomedical Engineering, Technical
University of Munich, Boltzmannstraße 11, 85748 Garching, Germany
| | - Georg Kempf
- Friedrich
Miescher Institute for Biomedical Research, Maulbeerstrasse 66, 4058 Basel, Switzerland
| | - Volodymyr Mykhailiuk
- Laboratory
for Biomolecular Nanotechnology, Department of Biosciences, School
of Natural Sciences, Technical University
of Munich, Am Coulombwall 4a, 85748 Garching, Germany
- Munich
Institute of Biomedical Engineering, Technical
University of Munich, Boltzmannstraße 11, 85748 Garching, Germany
| | - Johanna Mariko Griessing
- Laboratory
for Biomolecular Nanotechnology, Department of Biosciences, School
of Natural Sciences, Technical University
of Munich, Am Coulombwall 4a, 85748 Garching, Germany
- Munich
Institute of Biomedical Engineering, Technical
University of Munich, Boltzmannstraße 11, 85748 Garching, Germany
| | - Maximilian Nicolas Honemann
- Laboratory
for Biomolecular Nanotechnology, Department of Biosciences, School
of Natural Sciences, Technical University
of Munich, Am Coulombwall 4a, 85748 Garching, Germany
- Munich
Institute of Biomedical Engineering, Technical
University of Munich, Boltzmannstraße 11, 85748 Garching, Germany
| | - Lukas Kater
- Friedrich
Miescher Institute for Biomedical Research, Maulbeerstrasse 66, 4058 Basel, Switzerland
| | - Simone Cavadini
- Friedrich
Miescher Institute for Biomedical Research, Maulbeerstrasse 66, 4058 Basel, Switzerland
| | - Hendrik Dietz
- Laboratory
for Biomolecular Nanotechnology, Department of Biosciences, School
of Natural Sciences, Technical University
of Munich, Am Coulombwall 4a, 85748 Garching, Germany
- Munich
Institute of Biomedical Engineering, Technical
University of Munich, Boltzmannstraße 11, 85748 Garching, Germany
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15
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Sundaray K, Baral B, Subudhi U. DNA polyhedrons cube, prism, and square pyramid protect the catalytic activity of catalase: A thermodynamics and kinetics study. Int J Biol Macromol 2024; 264:130557. [PMID: 38431020 DOI: 10.1016/j.ijbiomac.2024.130557] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/03/2024] [Revised: 02/26/2024] [Accepted: 02/28/2024] [Indexed: 03/05/2024]
Abstract
DNA is widely used as building block material for the construction of polyhedral nanostructures. DNA polyhedrons (DNA prism, cube, and square pyramid) are small 3D wireframed nanostructures with tunable shapes and sizes. Despite substantial progress in synthesis, the study regarding cellular responses to DNA polyhedrons is limited. Herein, the molecular interaction between DNA polyhedrons and the antioxidant enzyme, catalase has been explored. The enzymatic activity of bovine liver catalase (BLC) remains unaltered in the presence of DNA polyhedrons after 1 h of incubation. However, the activity of BLC was protected after 24 h of incubation in the presence of DNA polyhedrons as compared to the natural unfolding. The kinetics study confirmed the protective role of DNA polyhedrons on BLC with lower KM and higher catalytic efficiency. Furthermore, no profound conformational changes of BLC occur in the presence of DNA polyhedrons as observed in spectroscopic studies. From fluorescence quenching data we confirmed the binding between DNA polyhedrons and BLC. The thermodynamic parameters indicate that non-covalent bonds played a major role during the interaction of BLC with DNA polyhedrons. Moreover, the hepatic catalase activity remains unaltered in the presence of DNA polyhedrons. The cytotoxicity assay revealed that DNA polyhedrons were biocompatible in the cellular environment. The protective role of DNA polyhedrons on enzyme activity and the unaltered conformational change of protein ensures the biocompatibility of DNA polyhedrons in the cellular environment.
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Affiliation(s)
- Kajal Sundaray
- DNA Nanotechnology & Application Laboratory, Environment and Sustainability Department, CSIR-Institute of Minerals & Materials Technology, Bhubaneswar 751013, Odisha, India; Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Bineeth Baral
- DNA Nanotechnology & Application Laboratory, Environment and Sustainability Department, CSIR-Institute of Minerals & Materials Technology, Bhubaneswar 751013, Odisha, India; Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India
| | - Umakanta Subudhi
- DNA Nanotechnology & Application Laboratory, Environment and Sustainability Department, CSIR-Institute of Minerals & Materials Technology, Bhubaneswar 751013, Odisha, India; Academy of Scientific & Innovative Research (AcSIR), Ghaziabad 201002, India.
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16
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de Haas RJ, Brunette N, Goodson A, Dauparas J, Yi SY, Yang EC, Dowling Q, Nguyen H, Kang A, Bera AK, Sankaran B, de Vries R, Baker D, King NP. Rapid and automated design of two-component protein nanomaterials using ProteinMPNN. Proc Natl Acad Sci U S A 2024; 121:e2314646121. [PMID: 38502697 PMCID: PMC10990136 DOI: 10.1073/pnas.2314646121] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/24/2023] [Accepted: 02/20/2024] [Indexed: 03/21/2024] Open
Abstract
The design of protein-protein interfaces using physics-based design methods such as Rosetta requires substantial computational resources and manual refinement by expert structural biologists. Deep learning methods promise to simplify protein-protein interface design and enable its application to a wide variety of problems by researchers from various scientific disciplines. Here, we test the ability of a deep learning method for protein sequence design, ProteinMPNN, to design two-component tetrahedral protein nanomaterials and benchmark its performance against Rosetta. ProteinMPNN had a similar success rate to Rosetta, yielding 13 new experimentally confirmed assemblies, but required orders of magnitude less computation and no manual refinement. The interfaces designed by ProteinMPNN were substantially more polar than those designed by Rosetta, which facilitated in vitro assembly of the designed nanomaterials from independently purified components. Crystal structures of several of the assemblies confirmed the accuracy of the design method at high resolution. Our results showcase the potential of deep learning-based methods to unlock the widespread application of designed protein-protein interfaces and self-assembling protein nanomaterials in biotechnology.
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Affiliation(s)
- Robbert J. de Haas
- Department of Physical Chemistry and Soft Matter, Wageningen University and Research, Wageningen6078 WE, The Netherlands
| | - Natalie Brunette
- Department of Biochemistry, University of Washington, Seattle, WA98195
- Institute for Protein Design, University of Washington, Seattle, WA98195
| | - Alex Goodson
- Department of Biochemistry, University of Washington, Seattle, WA98195
- Institute for Protein Design, University of Washington, Seattle, WA98195
| | - Justas Dauparas
- Department of Biochemistry, University of Washington, Seattle, WA98195
- Institute for Protein Design, University of Washington, Seattle, WA98195
| | - Sue Y. Yi
- Department of Biochemistry, University of Washington, Seattle, WA98195
- Institute for Protein Design, University of Washington, Seattle, WA98195
| | - Erin C. Yang
- Department of Biochemistry, University of Washington, Seattle, WA98195
- Institute for Protein Design, University of Washington, Seattle, WA98195
| | - Quinton Dowling
- Department of Biochemistry, University of Washington, Seattle, WA98195
- Institute for Protein Design, University of Washington, Seattle, WA98195
| | - Hannah Nguyen
- Department of Biochemistry, University of Washington, Seattle, WA98195
- Institute for Protein Design, University of Washington, Seattle, WA98195
| | - Alex Kang
- Department of Biochemistry, University of Washington, Seattle, WA98195
- Institute for Protein Design, University of Washington, Seattle, WA98195
| | - Asim K. Bera
- Department of Biochemistry, University of Washington, Seattle, WA98195
- Institute for Protein Design, University of Washington, Seattle, WA98195
| | - Banumathi Sankaran
- Molecular Biophysics and Integrated Bioimaging, Lawrence Berkeley National Laboratory, Berkeley, CA94720
| | - Renko de Vries
- Department of Physical Chemistry and Soft Matter, Wageningen University and Research, Wageningen6078 WE, The Netherlands
| | - David Baker
- Department of Biochemistry, University of Washington, Seattle, WA98195
- Institute for Protein Design, University of Washington, Seattle, WA98195
- HHMI, Seattle, WA98195
| | - Neil P. King
- Department of Biochemistry, University of Washington, Seattle, WA98195
- Institute for Protein Design, University of Washington, Seattle, WA98195
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17
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Wang B, Lu Y. Collective Molecular Machines: Multidimensionality and Reconfigurability. NANO-MICRO LETTERS 2024; 16:155. [PMID: 38499833 PMCID: PMC10948734 DOI: 10.1007/s40820-024-01379-4] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 12/29/2023] [Accepted: 02/17/2024] [Indexed: 03/20/2024]
Abstract
Molecular machines are key to cellular activity where they are involved in converting chemical and light energy into efficient mechanical work. During the last 60 years, designing molecular structures capable of generating unidirectional mechanical motion at the nanoscale has been the topic of intense research. Effective progress has been made, attributed to advances in various fields such as supramolecular chemistry, biology and nanotechnology, and informatics. However, individual molecular machines are only capable of producing nanometer work and generally have only a single functionality. In order to address these problems, collective behaviors realized by integrating several or more of these individual mechanical units in space and time have become a new paradigm. In this review, we comprehensively discuss recent developments in the collective behaviors of molecular machines. In particular, collective behavior is divided into two paradigms. One is the appropriate integration of molecular machines to efficiently amplify molecular motions and deformations to construct novel functional materials. The other is the construction of swarming modes at the supramolecular level to perform nanoscale or microscale operations. We discuss design strategies for both modes and focus on the modulation of features and properties. Subsequently, in order to address existing challenges, the idea of transferring experience gained in the field of micro/nano robotics is presented, offering prospects for future developments in the collective behavior of molecular machines.
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Affiliation(s)
- Bin Wang
- Department of Chemical Engineering, Tsinghua University, Beijing, 100084, People's Republic of China
| | - Yuan Lu
- Key Laboratory of Industrial Biocatalysis, Ministry of Education, Tsinghua University, Beijing, 100084, People's Republic of China.
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18
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Nerantzaki M, Husser C, Ryckelynck M, Lutz JF. Exchanging and Releasing Information in Synthetic Digital Polymers Using a Strand-Displacement Strategy. J Am Chem Soc 2024; 146:6456-6460. [PMID: 38286022 DOI: 10.1021/jacs.3c13953] [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: 01/31/2024]
Abstract
Toehold-mediated strand displacement (TMSD) was tested as a tool to edit information in synthetic digital polymers. Uniform DNA-polymer biohybrid macromolecules were first synthesized by automated phosphoramidite chemistry and characterized by HPLC, mass spectrometry, and polyacrylamide gel electrophoresis (PAGE). These precursors were diblock structures containing a synthetic poly(phosphodiester) (PPDE) segment covalently attached to a single-stranded DNA sequence. Three types of biohybrids were prepared herein: a substrate containing an accessible toehold as well as input and output macromolecules. The substrate and the input macromolecules contained noncoded PPDE homopolymers, whereas the output macromolecule contained a digitally encoded segment. After hybridization of the substrate with the output, incubation in the presence of the input led to efficient TMSD and the release of the digital segment. TMSD can therefore be used to erase or rewrite information in self-assembled biohybrid superstructures. Furthermore, it was found in this work that the conjugation of DNA single strands to synthetic segments of chosen lengths greatly facilitates the characterization and PAGE visualization of the TMSD process.
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Affiliation(s)
- Maria Nerantzaki
- Université de Strasbourg, CNRS, ISIS, 8 allée Gaspard Monge, 67000 Strasbourg, France
| | - Claire Husser
- Université de Strasbourg, CNRS, Architecture et Réactivité de l'ARN, UPR 9002, 2 allée Konrad Roentgen, 67084 Strasbourg, France
| | - Michael Ryckelynck
- Université de Strasbourg, CNRS, Architecture et Réactivité de l'ARN, UPR 9002, 2 allée Konrad Roentgen, 67084 Strasbourg, France
| | - Jean-François Lutz
- Université de Strasbourg, CNRS, ISIS, 8 allée Gaspard Monge, 67000 Strasbourg, France
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19
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Nanoturbine driven by flow across a nanopore. NATURE NANOTECHNOLOGY 2024; 19:279-280. [PMID: 37903893 DOI: 10.1038/s41565-023-01532-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/01/2023]
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20
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Astumian RD. Kinetic Asymmetry and Directionality of Nonequilibrium Molecular Systems. Angew Chem Int Ed Engl 2024; 63:e202306569. [PMID: 38236163 DOI: 10.1002/anie.202306569] [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: 05/10/2023] [Indexed: 01/19/2024]
Abstract
Scientists have long been fascinated by the biomolecular machines in living systems that process energy and information to sustain life. The first synthetic molecular rotor capable of performing repeated 360° rotations due to a combination of photo- and thermally activated processes was reported in 1999. The progress in designing different molecular machines in the intervening years has been remarkable, with several outstanding examples appearing in the last few years. Despite the synthetic accomplishments, there remains confusion regarding the fundamental design principles by which the motions of molecules can be controlled, with significant intellectual tension between mechanical and chemical ways of thinking about and describing molecular machines. A thermodynamically consistent analysis of the kinetics of several molecular rotors and pumps shows that while light driven rotors operate by a power-stroke mechanism, kinetic asymmetry-the relative heights of energy barriers-is the sole determinant of the directionality of catalysis driven machines. Power-strokes-the relative depths of energy wells-play no role whatsoever in determining the sign of the directionality. These results, elaborated using trajectory thermodynamics and the nonequilibrium pump equality, show that kinetic asymmetry governs the response of many non-equilibrium chemical phenomena.
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Affiliation(s)
- Raymond Dean Astumian
- Department of Physics and Astronomy, The University of Maine, 5709 Bennett Hall, Orono, ME-04469, USA
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21
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Takezawa Y, Zhang H, Mori K, Hu L, Shionoya M. Ligase-mediated synthesis of Cu II-responsive allosteric DNAzyme with bifacial 5-carboxyuracil nucleobases. Chem Sci 2024; 15:2365-2370. [PMID: 38362437 PMCID: PMC10866359 DOI: 10.1039/d3sc05042d] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/25/2023] [Accepted: 01/17/2024] [Indexed: 02/17/2024] Open
Abstract
A CuII-responsive allosteric DNAzyme has been developed by introducing bifacial 5-carboxyuracil (caU) nucleobases, which form both hydrogen-bonded caU-A and metal-mediated caU-CuII-caU base pairs. The base sequence was logically designed based on a known RNA-cleaving DNAzyme so that the caU-modified DNAzyme (caU-DNAzyme) can form a catalytically inactive structure containing three caU-A base pairs and an active form with three caU-CuII-caU pairs. The caU-DNAzyme was synthesized by joining short caU-containing fragments with a standard DNA ligase. The activity of caU-DNAzyme was suppressed without CuII, but enhanced 21-fold with the addition of CuII. Furthermore, the DNAzyme activity was turned on and off during the reaction by the addition and removal of CuII ions. Both ligase-mediated synthesis and CuII-dependent allosteric regulation were achieved by the bifacial base pairing properties of caU. This study provides a new strategy for designing stimuli-responsive DNA molecular systems.
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Affiliation(s)
- Yusuke Takezawa
- Department of Chemistry, Graduate School of Science, The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Hanci Zhang
- Department of Chemistry, Graduate School of Science, The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Keita Mori
- Department of Chemistry, Graduate School of Science, The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Lingyun Hu
- Department of Chemistry, Graduate School of Science, The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Mitsuhiko Shionoya
- Department of Chemistry, Graduate School of Science, The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033 Japan
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22
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Centola M, Poppleton E, Ray S, Centola M, Welty R, Valero J, Walter NG, Šulc P, Famulok M. A rhythmically pulsing leaf-spring DNA-origami nanoengine that drives a passive follower. NATURE NANOTECHNOLOGY 2024; 19:226-236. [PMID: 37857824 PMCID: PMC10873200 DOI: 10.1038/s41565-023-01516-x] [Citation(s) in RCA: 6] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 02/27/2023] [Accepted: 08/31/2023] [Indexed: 10/21/2023]
Abstract
Molecular engineering seeks to create functional entities for modular use in the bottom-up design of nanoassemblies that can perform complex tasks. Such systems require fuel-consuming nanomotors that can actively drive downstream passive followers. Most artificial molecular motors are driven by Brownian motion, in which, with few exceptions, the generated forces are non-directed and insufficient for efficient transfer to passive second-level components. Consequently, efficient chemical-fuel-driven nanoscale driver-follower systems have not yet been realized. Here we present a DNA nanomachine (70 nm × 70 nm × 12 nm) driven by the chemical energy of DNA-templated RNA-transcription-consuming nucleoside triphosphates as fuel to generate a rhythmic pulsating motion of two rigid DNA-origami arms. Furthermore, we demonstrate actuation control and the simple coupling of the active nanomachine with a passive follower, to which it then transmits its motion, forming a true driver-follower pair.
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Affiliation(s)
- Mathias Centola
- LIMES Program Unit Chemical Biology & Medicinal Chemistry, c/o Kekulé Institut für Organische Chemie und Biochemie, Universität Bonn, Bonn, Germany
- Max-Planck Institute for Neurobiology of Behaviour, Bonn, Germany
| | - Erik Poppleton
- School of Molecular Sciences and Center for Molecular Design and Biomimetics, The Biodesign Institute, Arizona State University, Tempe, AZ, USA
- Max-Planck-Institute for Medical Research, Heidelberg, Germany
| | - Sujay Ray
- Single Molecule Analysis Group, Department of Chemistry, Ann Arbor, MI, USA
| | | | - Robb Welty
- Single Molecule Analysis Group, Department of Chemistry, Ann Arbor, MI, USA
| | - Julián Valero
- LIMES Program Unit Chemical Biology & Medicinal Chemistry, c/o Kekulé Institut für Organische Chemie und Biochemie, Universität Bonn, Bonn, Germany
- Max-Planck Institute for Neurobiology of Behaviour, Bonn, Germany
- Interdisciplinary Nanoscience Center - INANO-MBG, iNANO-huset, Århus, Denmark
| | - Nils G Walter
- Single Molecule Analysis Group, Department of Chemistry, Ann Arbor, MI, USA.
| | - Petr Šulc
- LIMES Program Unit Chemical Biology & Medicinal Chemistry, c/o Kekulé Institut für Organische Chemie und Biochemie, Universität Bonn, Bonn, Germany.
- School of Molecular Sciences and Center for Molecular Design and Biomimetics, The Biodesign Institute, Arizona State University, Tempe, AZ, USA.
| | - Michael Famulok
- LIMES Program Unit Chemical Biology & Medicinal Chemistry, c/o Kekulé Institut für Organische Chemie und Biochemie, Universität Bonn, Bonn, Germany.
- Max-Planck Institute for Neurobiology of Behaviour, Bonn, Germany.
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23
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Foguel MV, Zamora V, Ojeda J, Reed M, Bennett A, Calvo-Marzal P, Gerasimova YV, Kolpashchikov D, Chumbimuni-Torres KY. DNA nanotechnology for nucleic acid analysis: sensing of nucleic acids with DNA junction-probes. Analyst 2024; 149:968-974. [PMID: 38197474 DOI: 10.1039/d3an01707a] [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: 01/11/2024]
Abstract
DNA nanotechnology deals with the design of non-naturally occurring DNA nanostructures that can be used in biotechnology, medicine, and diagnostics. In this study, we introduced a nucleic acid five-way junction (5WJ) structure for direct electrochemical analysis of full-length biological RNAs. To the best of our knowledge, this is the first report on the interrogation of such long nucleic acid sequences by hybridization probes attached to a solid support. A hairpin-shaped electrode-bound oligonucleotide hybridizes with three adaptor strands, one of which is labeled with methylene blue (MB). The four strands are combined into a 5WJ structure only in the presence of specific DNA or RNA analytes. Upon interrogation of a full-size 16S rRNA in the total RNA sample, the electrode-bound MB-labeled 5WJ association produces a higher signal-to-noise ratio than electrochemical nucleic acid biosensors of alternative design. This advantage was attributed to the favorable geometry on the 5WJ nanostructure formed on the electrode's surface. The 5WJ biosensor is a cost-efficient alternative to the traditional electrochemical biosensors for the analysis of nucleic acids due to the universal nature of both the electrode-bound and MB-labeled DNA components.
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Affiliation(s)
- Marcos V Foguel
- Department of Chemistry. University of Central Florida, 4000 Central Florida Boulevard, Orlando, Fl 32816, USA.
| | - Victor Zamora
- Escuela Professional de Quimica, Facultad de Ciencias, Universidad Nacional Ingenieria, Av. Tupac 210, Lima, Peru
| | - Julio Ojeda
- Department of Chemistry. University of Central Florida, 4000 Central Florida Boulevard, Orlando, Fl 32816, USA.
| | - Mark Reed
- Department of Chemistry. University of Central Florida, 4000 Central Florida Boulevard, Orlando, Fl 32816, USA.
| | - Alexander Bennett
- Department of Chemistry. University of Central Florida, 4000 Central Florida Boulevard, Orlando, Fl 32816, USA.
| | - Percy Calvo-Marzal
- Department of Chemistry. University of Central Florida, 4000 Central Florida Boulevard, Orlando, Fl 32816, USA.
| | - Yulia V Gerasimova
- Department of Chemistry. University of Central Florida, 4000 Central Florida Boulevard, Orlando, Fl 32816, USA.
| | - Dmitry Kolpashchikov
- Department of Chemistry. University of Central Florida, 4000 Central Florida Boulevard, Orlando, Fl 32816, USA.
- Burnett School of Biomedical Science, university of Central Florida, 4000 Central Florida Boulevard, Orlando, Fl 32816, USA
| | - Karin Y Chumbimuni-Torres
- Department of Chemistry. University of Central Florida, 4000 Central Florida Boulevard, Orlando, Fl 32816, USA.
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24
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Yang F, Li S, Wu J, Liu S. 2-Aminopurine-based quencher-free DNA tweezers with fluorescence properties well tuned by surrounding bases. ANALYTICAL METHODS : ADVANCING METHODS AND APPLICATIONS 2024; 16:576-582. [PMID: 38189219 DOI: 10.1039/d3ay01973j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 01/09/2024]
Abstract
Reversible structural changes in DNA nanomachines have great potential in the field of bioanalysis. Here, we demonstrate an assembly strategy for quencher-free and tunable DNA tweezers based on 2-aminopurine (2-AP), avoiding the tedious fluorescence labelling step. The conformational state of the tweezers could be controlled by specific oligonucleotides (fuel or anti-fuel). Taking advantage of the local environmental sensitivity of 2-AP, the structural changes of the tweezers were easily tracked, and multiple cyclic switching of the tweezers between the open and closed states was achieved. In addition, the influence of oligonucleotide structure on the fluorescence properties of 2-AP was deeply explored. We figured out that the fluorescence of 2-AP was highly quenched by the base-stacking of natural bases in DNA oligonucleotides. Moreover, by comprehensively regulating the type of bases surrounding the inserted 2-AP site, a sensitive fluorescence response towards dynamic change can be obtained. This principle of quencher-free nanodevices based on 2-AP provides a convenient method for monitoring the structural changes of DNA nanomachines.
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Affiliation(s)
- Fangfang Yang
- College of Chemistry and Chemical Engineering, Yantai University, 30 Qingquan Road, Yantai 264005, China.
| | - Shuang Li
- College of Chemistry and Chemical Engineering, Yantai University, 30 Qingquan Road, Yantai 264005, China.
| | - Jialiang Wu
- College of Chemistry and Chemical Engineering, Yantai University, 30 Qingquan Road, Yantai 264005, China.
| | - Shufeng Liu
- College of Chemistry and Chemical Engineering, Yantai University, 30 Qingquan Road, Yantai 264005, China.
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25
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Li S, Zhao D, Yang F, Liu S. Dynamic monitoring of an enzymatically driven dissipative toehold-mediated strand displacement reaction. Chem Commun (Camb) 2024; 60:570-573. [PMID: 38093688 DOI: 10.1039/d3cc05061k] [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: 01/12/2024]
Abstract
A general strategy to program self-resettable and dissipative toehold-mediated strand displacement reactions was proposed, using DNA strands as the fuel and lambda exonuclease as the fuel-consuming unit. This non-equilibrium system is reversible and temporally controllable. Furthermore, it can be well integrated into a DNA network to temporally control its cascade reaction or dynamic behaviour.
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Affiliation(s)
- Shuang Li
- College of Chemistry and Chemical Engineering, Yantai University, 30 Qingquan Road, Yantai 264005, China.
| | - Disong Zhao
- College of Chemistry and Chemical Engineering, Yantai University, 30 Qingquan Road, Yantai 264005, China.
| | - Fangfang Yang
- College of Chemistry and Chemical Engineering, Yantai University, 30 Qingquan Road, Yantai 264005, China.
| | - Shufeng Liu
- College of Chemistry and Chemical Engineering, Yantai University, 30 Qingquan Road, Yantai 264005, China.
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26
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Borsley S, Gallagher JM, Leigh DA, Roberts BMW. Ratcheting synthesis. Nat Rev Chem 2024; 8:8-29. [PMID: 38102412 DOI: 10.1038/s41570-023-00558-y] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Accepted: 11/02/2023] [Indexed: 12/17/2023]
Abstract
Synthetic chemistry has traditionally relied on reactions between reactants of high chemical potential and transformations that proceed energetically downhill to either a global or local minimum (thermodynamic or kinetic control). Catalysts can be used to manipulate kinetic control, lowering activation energies to influence reaction outcomes. However, such chemistry is still constrained by the shape of one-dimensional reaction coordinates. Coupling synthesis to an orthogonal energy input can allow ratcheting of chemical reaction outcomes, reminiscent of the ways that molecular machines ratchet random thermal motion to bias conformational dynamics. This fundamentally distinct approach to synthesis allows multi-dimensional potential energy surfaces to be navigated, enabling reaction outcomes that cannot be achieved under conventional kinetic or thermodynamic control. In this Review, we discuss how ratcheted synthesis is ubiquitous throughout biology and consider how chemists might harness ratchet mechanisms to accelerate catalysis, drive chemical reactions uphill and programme complex reaction sequences.
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Affiliation(s)
- Stefan Borsley
- Department of Chemistry, University of Manchester, Manchester, UK
| | | | - David A Leigh
- Department of Chemistry, University of Manchester, Manchester, UK.
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27
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Zerbetto M, Saint-Pierre C, Piserchia A, Torrengo S, Gambarelli S, Abergel D, Polimeno A, Gasparutto D, Sicoli G. Intrinsic Flexibility beyond the Highly Ordered DNA Tetrahedron: An Integrative Spectroscopic and Molecular Dynamics Approach. J Phys Chem Lett 2023; 14:10032-10038. [PMID: 37906734 DOI: 10.1021/acs.jpclett.3c02383] [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: 11/02/2023]
Abstract
Since the introduction of DNA-based architectures, in the past decade, DNA tetrahedrons have aroused great interest. Applications of such nanostructures require structural control, especially in the perspective of their possible functionalities. In this work, an integrated approach for structural characterization of a tetrahedron structure is proposed with a focus on the fundamental biophysical aspects driving the assembly process. To address such an issue, spin-labeled DNA sequences are chemically synthesized, self-assembled, and then analyzed by Continuous-Wave (CW) and pulsed Electron Paramagnetic Resonance (EPR) spectroscopy. Interspin distance measurements based on PELDOR/DEER techniques combined with molecular dynamics (MD) thus revealed unexpected dynamic heterogeneity and flexibility of the assembled structures. The observation of flexibility in these ordered 3D structures demonstrates the sensitivity of this approach and its effectiveness in accessing the main dynamic and structural features with unprecedented resolution.
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Affiliation(s)
- Mirco Zerbetto
- Department of Chemical Sciences, University of Padova, Via Marzolo 1, I-35131 Padova, Italy
| | - Christine Saint-Pierre
- Univ. Grenoble Alpes, CEA, CNRS, IRIG, SyMMES, 17 rue des Martyrs, F-38000 Grenoble, France
| | - Andrea Piserchia
- Department of Chemical Sciences, University of Padova, Via Marzolo 1, I-35131 Padova, Italy
| | - Simona Torrengo
- Univ. Grenoble Alpes, CEA, CNRS, IRIG, SyMMES, 17 rue des Martyrs, F-38000 Grenoble, France
| | - Serge Gambarelli
- Univ. Grenoble Alpes, CEA, CNRS, IRIG, SyMMES, 17 rue des Martyrs, F-38000 Grenoble, France
| | - Daniel Abergel
- Laboratoire des biomolécules, LBM, Département de chimie, École Normale Supérieure, PSL University, Sorbonne Université, CNRS, 75005 Paris, France
| | - Antonino Polimeno
- Department of Chemical Sciences, University of Padova, Via Marzolo 1, I-35131 Padova, Italy
| | - Didier Gasparutto
- Univ. Grenoble Alpes, CEA, CNRS, IRIG, SyMMES, 17 rue des Martyrs, F-38000 Grenoble, France
| | - Giuseppe Sicoli
- CNRS UMRS 8516, LASIRE, University of Lille, Avenue Paul Langevin - C4 building, F-59655 Villeneuve d'Ascq Cedex, France
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28
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Thiede J, Rothenbühler S, Iacovache I, Langenegger SM, Zuber B, Häner R. Supramolecular assembly of pyrene-DNA conjugates: influence of pyrene substitution pattern and implications for artificial LHCs. Org Biomol Chem 2023; 21:7908-7912. [PMID: 37750811 PMCID: PMC10566252 DOI: 10.1039/d3ob01375h] [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: 08/28/2023] [Accepted: 09/20/2023] [Indexed: 09/27/2023]
Abstract
The supramolecular self-assembly of pyrene-DNA conjugates into nanostructures is presented. DNA functionalized with different types of pyrene isomers at the 3'-end self-assemble into nano-objects. The shape of the nanostructures is influenced by the type of pyrene isomer appended to the DNA. Multilamellar vesicles are observed with the 1,6- and 1,8-isomers, whereas conjugates of the 2,7-isomer exclusively assemble into spherical nanoparticles. Self-assembled nano-spheres obtained with the 2,7-dialkynyl pyrene isomer were used for the construction of an artificial light-harvesting complex (LHC) in combination with Cy3 as the energy acceptor.
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Affiliation(s)
- Jan Thiede
- Department of Chemistry, Biochemistry, and Pharmaceutical Sciences, University of Bern, Freiestrasse 3, CH-3012 Bern, Switzerland.
| | - Simon Rothenbühler
- Department of Chemistry, Biochemistry, and Pharmaceutical Sciences, University of Bern, Freiestrasse 3, CH-3012 Bern, Switzerland.
| | - Ioan Iacovache
- Institute of Anatomy, University of Bern, Baltzerstrasse 2, CH-3012 Bern, Switzerland
| | - Simon M Langenegger
- Department of Chemistry, Biochemistry, and Pharmaceutical Sciences, University of Bern, Freiestrasse 3, CH-3012 Bern, Switzerland.
| | - Benoît Zuber
- Institute of Anatomy, University of Bern, Baltzerstrasse 2, CH-3012 Bern, Switzerland
| | - Robert Häner
- Department of Chemistry, Biochemistry, and Pharmaceutical Sciences, University of Bern, Freiestrasse 3, CH-3012 Bern, Switzerland.
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29
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Wang J, Zhang T, Li X, Wu W, Xu H, Xu XM, Zhang T. DNA Nanobarrel-Based Drug Delivery for Paclitaxel and Doxorubicin. Chembiochem 2023; 24:e202300424. [PMID: 37470220 DOI: 10.1002/cbic.202300424] [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: 06/06/2023] [Revised: 07/16/2023] [Accepted: 07/18/2023] [Indexed: 07/21/2023]
Abstract
Co-delivery of anticancer drugs and target agents by endogenous materials is an inevitable approach towards targeted and synergistic therapy. Employing DNA base pair complementarities, DNA nanotechnology exploits a unique nanostructuring method and has demonstrated its capacity for nanoscale positioning and templated assembly. Moreover, the water solubility, biocompatibility, and modifiability render DNA structure suitable candidate for drug delivery applications. We here report single-stranded DNA tail conjugated antitumor drug paclitaxel (PTX), and the co-delivery of PTX, doxorubicin and targeting agent mucin 1 (MUC-1) aptamer on a DNA nanobarrel carrier. We investigated the effect of tail lengths on drug release efficiencies and dual drug codelivery-enabled cytotoxicity. Owing to the rapidly developing field of structural DNA nanotechnology, functional DNA-based drug delivery is promising to achieve clinical therapeutic applications.
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Affiliation(s)
- Jiaoyang Wang
- Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, School of Pharmacy, Yantai University, Yantai, 264005, China
| | - Tianyu Zhang
- Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, School of Pharmacy, Yantai University, Yantai, 264005, China
| | - Xueqiao Li
- Department of Applied Chemistry, School of Chemistry and Chemical Engineering, Yantai University, Yantai, 264005, China
| | - Wenna Wu
- Department of Applied Chemistry, School of Chemistry and Chemical Engineering, Yantai University, Yantai, 264005, China
| | - Hui Xu
- Collaborative Innovation Center of Advanced Drug Delivery System and Biotech Drugs in Universities of Shandong, Key Laboratory of Molecular Pharmacology and Drug Evaluation, Ministry of Education, School of Pharmacy, Yantai University, Yantai, 264005, China
| | - Xin-Ming Xu
- Department of Applied Chemistry, School of Chemistry and Chemical Engineering, Yantai University, Yantai, 264005, China
| | - Tao Zhang
- Department of Applied Chemistry, School of Chemistry and Chemical Engineering, Yantai University, Yantai, 264005, China
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30
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Meng R, Zhang X, Liu J, Zhou Y, Zhang P, Chai Y, Yuan R. Dual-layer 3D DNA nanostructure: The next generation of ultrafast DNA nanomachine for microRNA sensing and intracellular imaging. Biosens Bioelectron 2023; 237:115517. [PMID: 37459686 DOI: 10.1016/j.bios.2023.115517] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/25/2023] [Revised: 06/20/2023] [Accepted: 07/04/2023] [Indexed: 08/13/2023]
Abstract
The working efficiency of traditional 3D DNA nanomachines is extremely restricted due to the complex DNA components modified on nanoparticles in the same spatial height. Herein, an ultrafast dual-layer 3D DNA nanomachine (UDDNM) based on catalytic hairpin assembly (CHA) was developed by assembling two different lengths of hairpin DNA on the surface of gold nanoparticles, the long hairpin 1 (H1), to capture the trigger, and the short hairpin 2 (H2), as the signal probe, to recycle the trigger. Compared to the traditional single-layer 3D DNA nanomachine, the dual-layer 3D DNA nanostructure greatly enhances the effective collision between trigger and targeted DNA probe, H1, since the H1 located in outer layer would react with the trigger, inhibiting the invalid collision between the trigger and residual DNA component, H2, and remarkably decreasing the steric hindrance associated with the nucleic acids layer around the nanoparticles. Especially, when the distance of two layers was fixed at 3 nm, the corresponding UDDNM could accomplish the overall reaction only in 3 min with a dramatically high initial rate of up to 5.93 × 10-7 M s-1, which was at least 5-fold beyond that of the typical single-layer 3D DNA nanomachines. As a proof of concept, the described UDDNM was successfully applied in ultrasensitive fluorescence detection and sensitive intracellular imaging of miRNA-21. Consequently, our strategy, based on the creation of dual-layer 3D DNA nanostructure, may create a new approach to designing the next generation of DNA nanomachine and has enormous potential for applications in bio-analysis, logic gate operations, and clinical diagnoses.
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Affiliation(s)
- Rui Meng
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, PR China
| | - Xiaolong Zhang
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, PR China
| | - Jiali Liu
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, PR China
| | - Ying Zhou
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, PR China
| | - Pu Zhang
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, PR China.
| | - Yaqin Chai
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, PR China.
| | - Ruo Yuan
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing, 400715, PR China.
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31
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Meng X, Cheng Y, Wang F, Sun Z, Chu H, Wang Y. Nano Self-Assembly for Apoptosis Induction and Early Therapeutic Efficacy Monitoring. Anal Chem 2023; 95:14421-14429. [PMID: 37695215 DOI: 10.1021/acs.analchem.3c02860] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 09/12/2023]
Abstract
Real-time monitoring of early antitumor efficacy is one of the key issues in realizing high-efficiency and more precise tumor treatment. As a highly specific event in the early stage of apoptosis, the release of cytochrome c may act as a key biomarker for monitoring cell apoptosis. However, achieving real-time monitoring of the cytochrome c release in vivo remains a challenge. Herein, we report a novel integrated nanosystem named DFeK nanoparticle (DFeK NP) to achieve a favorable collaboration of inducing tumor cell apoptosis and monitoring early therapeutic efficacy, which combined the cytochrome c-activated DNA nanoprobe cApt-App with pro-apoptotic peptide [KLAKLAK]2 and ferrous ions. [KLAKLAK]2 can target the mitochondria to disrupt the mitochondrial membrane together with reactive oxygen species produced by ferrous ions via the Fenton reaction to promote mitochondrial damage. Then, cytochrome c is released from damaged mitochondria to trigger apoptosis, further activating the cApt-App probe from the fluorescence "off" state to the "on" state. The cytochrome c-specific "off-to-on" transition was successfully applied in fluorescence imaging of cytochrome c in vivo and thus achieved real-time early therapeutic efficacy monitoring. Collectively, this work presents a valuable integrated tool for tumor inhibition and therapeutic efficacy evaluation to realize more precise and more effective tumor treatment.
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Affiliation(s)
- Xiaoyi Meng
- Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, China
| | - Yue Cheng
- Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, China
| | - Fang Wang
- Translational Medicine Center, Beijing Chest Hospital, Capital Medical University/Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing 101149, China
| | - Zhaogang Sun
- Translational Medicine Center, Beijing Chest Hospital, Capital Medical University/Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing 101149, China
| | - Hongqian Chu
- Translational Medicine Center, Beijing Chest Hospital, Capital Medical University/Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing 101149, China
| | - Yong Wang
- Department of Chemistry, School of Science, Tianjin University, Tianjin 300072, China
- Translational Medicine Center, Beijing Chest Hospital, Capital Medical University/Beijing Tuberculosis and Thoracic Tumor Research Institute, Beijing 101149, China
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32
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Takezawa Y, Kanemaru D, Kudo N, Shionoya M. Phenanthroline-modified DNA three-way junction structures stabilized by interstrand 3 : 1 metal complexation. Dalton Trans 2023; 52:11025-11029. [PMID: 37309206 DOI: 10.1039/d3dt01508d] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 06/14/2023]
Abstract
Incorporation of interstrand metal complexes into DNA is a versatile strategy for metal-dependent stabilization and structural induction of DNA supramolecular structures. In this study, we have synthesized DNA three-way junction (3WJ) structures modified with phenanthroline (phen) ligands. The phen-modified 3WJ was found to be thermally stabilized (ΔTm = +16.9 °C) by the formation of an interstrand NiII(phen)3 complex. Furthermore, NiII-mediated structure induction of 3WJs was demonstrated with the phen-modified strands and their unmodified counterparts. This study suggests that ligand-modified 3WJs would be useful structural motifs for the construction of metal-responsive DNA molecular systems.
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Affiliation(s)
- Yusuke Takezawa
- Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.
| | - Daisuke Kanemaru
- Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.
| | - Naofumi Kudo
- Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.
| | - Mitsuhiko Shionoya
- Department of Chemistry, Graduate School of Science, The University of Tokyo, 7-3-1 Hongo, Bunkyo-ku, Tokyo 113-0033, Japan.
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33
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Li R, Madhvacharyula AS, Du Y, Adepu HK, Choi JH. Mechanics of dynamic and deformable DNA nanostructures. Chem Sci 2023; 14:8018-8046. [PMID: 37538812 PMCID: PMC10395309 DOI: 10.1039/d3sc01793a] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/06/2023] [Accepted: 07/05/2023] [Indexed: 08/05/2023] Open
Abstract
In DNA nanotechnology, DNA molecules are designed, engineered, and assembled into arbitrary-shaped architectures with predesigned functions. Static DNA assemblies often have delicate designs with structural rigidity to overcome thermal fluctuations. Dynamic structures reconfigure in response to external cues, which have been explored to create functional nanodevices for environmental sensing and other applications. However, the precise control of reconfiguration dynamics has been a challenge due partly to flexible single-stranded DNA connections between moving parts. Deformable structures are special dynamic constructs with deformation on double-stranded parts and single-stranded hinges during transformation. These structures often have better control in programmed deformation. However, related deformability and mechanics including transformation mechanisms are not well understood or documented. In this review, we summarize the development of dynamic and deformable DNA nanostructures from a mechanical perspective. We present deformation mechanisms such as single-stranded DNA hinges with lock-and-release pairs, jack edges, helicity modulation, and external loading. Theoretical and computational models are discussed for understanding their associated deformations and mechanics. We elucidate the pros and cons of each model and recommend design processes based on the models. The design guidelines should be useful for those who have limited knowledge in mechanics as well as expert DNA designers.
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Affiliation(s)
- Ruixin Li
- School of Mechanical Engineering, Purdue University 585 Purdue Mall West Lafayette Indiana 47907 USA
| | - Anirudh S Madhvacharyula
- School of Mechanical Engineering, Purdue University 585 Purdue Mall West Lafayette Indiana 47907 USA
| | - Yancheng Du
- School of Mechanical Engineering, Purdue University 585 Purdue Mall West Lafayette Indiana 47907 USA
| | - Harshith K Adepu
- School of Mechanical Engineering, Purdue University 585 Purdue Mall West Lafayette Indiana 47907 USA
| | - Jong Hyun Choi
- School of Mechanical Engineering, Purdue University 585 Purdue Mall West Lafayette Indiana 47907 USA
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34
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Alexander S, Moghadam MG, Rothenbroker M, Y T Chou L. Addressing the in vivo delivery of nucleic-acid nanostructure therapeutics. Adv Drug Deliv Rev 2023; 199:114898. [PMID: 37230305 DOI: 10.1016/j.addr.2023.114898] [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: 02/24/2023] [Revised: 05/02/2023] [Accepted: 05/18/2023] [Indexed: 05/27/2023]
Abstract
DNA and RNA nanostructures are being investigated as therapeutics, vaccines, and drug delivery systems. These nanostructures can be functionalized with guests ranging from small molecules to proteins with precise spatial and stoichiometric control. This has enabled new strategies to manipulate drug activity and to engineer devices with novel therapeutic functionalities. Although existing studies have offered encouraging in vitro or pre-clinical proof-of-concepts, establishing mechanisms of in vivo delivery is the new frontier for nucleic-acid nanotechnologies. In this review, we first provide a summary of existing literature on the in vivo uses of DNA and RNA nanostructures. Based on their application areas, we discuss current models of nanoparticle delivery, and thereby highlight knowledge gaps on the in vivo interactions of nucleic-acid nanostructures. Finally, we describe techniques and strategies for investigating and engineering these interactions. Together, we propose a framework to establish in vivo design principles and advance the in vivo translation of nucleic-acid nanotechnologies.
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Affiliation(s)
- Shana Alexander
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON M5S 3G9, Canada
| | | | - Meghan Rothenbroker
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON M5S 3G9, Canada
| | - Leo Y T Chou
- Institute of Biomedical Engineering, University of Toronto, Toronto, ON M5S 3G9, Canada.
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35
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Kong H, Sun B, Yu F, Wang Q, Xia K, Jiang D. Exploring the Potential of Three-Dimensional DNA Crystals in Nanotechnology: Design, Optimization, and Applications. ADVANCED SCIENCE (WEINHEIM, BADEN-WURTTEMBERG, GERMANY) 2023; 10:e2302021. [PMID: 37327311 PMCID: PMC10460852 DOI: 10.1002/advs.202302021] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Received: 03/28/2023] [Revised: 05/23/2023] [Indexed: 06/18/2023]
Abstract
DNA has been used as a robust material for the building of a variety of nanoscale structures and devices owing to its unique properties. Structural DNA nanotechnology has reported a wide range of applications including computing, photonics, synthetic biology, biosensing, bioimaging, and therapeutic delivery, among others. Nevertheless, the foundational goal of structural DNA nanotechnology is exploiting DNA molecules to build three-dimensional crystals as periodic molecular scaffolds to precisely align, obtain, or collect desired guest molecules. Over the past 30 years, a series of 3D DNA crystals have been rationally designed and developed. This review aims to showcase various 3D DNA crystals, their design, optimization, applications, and the crystallization conditions utilized. Additionally, the history of nucleic acid crystallography and potential future directions for 3D DNA crystals in the era of nanotechnology are discussed.
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Affiliation(s)
- Huating Kong
- Shanghai Synchrotron Radiation FacilityShanghai Advanced Research InstituteChinese Academy of SciencesShanghai201204China
| | - Bo Sun
- Shanghai Synchrotron Radiation FacilityShanghai Advanced Research InstituteChinese Academy of SciencesShanghai201204China
| | - Feng Yu
- Shanghai Synchrotron Radiation FacilityShanghai Advanced Research InstituteChinese Academy of SciencesShanghai201204China
| | - Qisheng Wang
- Shanghai Synchrotron Radiation FacilityShanghai Advanced Research InstituteChinese Academy of SciencesShanghai201204China
| | - Kai Xia
- Shanghai Frontier Innovation Research InstituteShanghai201108China
- Shanghai Stomatological HospitalFudan UniversityShanghai200031China
| | - Dawei Jiang
- Wuhan Union HospitalTongji Medical CollegeHuazhong University of Science and TechnologyWuhan430022China
- Hubei Key Laboratory of Molecular ImagingWuhan430022China
- Key Laboratory of Biological Targeted Therapythe Ministry of EducationWuhan430022China
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36
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Mizunuma M, Suzuki M, Kobayashi T, Hara Y, Kaneko A, Furukawa K, Chuman Y. Development of Mn 2+-Specific Biosensor Using G-Quadruplex-Based DNA. Int J Mol Sci 2023; 24:11556. [PMID: 37511324 PMCID: PMC10380348 DOI: 10.3390/ijms241411556] [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: 06/23/2023] [Revised: 07/14/2023] [Accepted: 07/15/2023] [Indexed: 07/30/2023] Open
Abstract
Metal ions are used in various situations in living organisms and as a part of functional materials. Since the excessive intake of metal ions can cause health hazards and environmental pollution, the development of new molecules that can monitor metal ion concentrations with high sensitivity and selectivity is strongly desired. DNA can form various structures, and these structures and their properties have been used in a wide range of fields, including materials, sensors, and drugs. Guanine-rich sequences respond to metal ions and form G-quadruplex structures and G-wires, which are the self-assembling macromolecules of G-quadruplex structures. Therefore, guanine-rich DNA can be applied to a metal ion-detection sensor and functional materials. In this study, the IRDAptamer library originally designed based on G-quadruplex structures was used to screen for Mn2+, which is known to induce neurodegenerative diseases. Circular dichroism and fluorescence analysis using Thioflavin T showed that the identified IRDAptamer sequence designated MnG4C1 forms a non-canonical G-quadruplex structure in response to low concentrations of Mn2+. A serum resistance and thermostability analysis revealed that MnG4C1 acquired stability in a Mn2+-dependent manner. A Förster resonance energy transfer (FRET) system using fluorescent molecules attached to the termini of MnG4C1 showed that FRET was effectively induced based on Mn2+-dependent conformational changes, and the limit of detection (LOD) was 0.76 µM for Mn2+. These results suggested that MnG4C1 can be used as a novel DNA-based Mn2+-detecting molecule.
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Affiliation(s)
- Masataka Mizunuma
- Department of Chemistry, Faculty of Science, Niigata University, Niigata 950-2181, Japan
| | - Mirai Suzuki
- Department of Chemistry, Faculty of Science, Niigata University, Niigata 950-2181, Japan
| | - Tamaki Kobayashi
- Department of Chemistry, Faculty of Science, Niigata University, Niigata 950-2181, Japan
| | - Yuki Hara
- Department of Chemistry, Faculty of Science, Niigata University, Niigata 950-2181, Japan
| | - Atsushi Kaneko
- Department of Chemistry, Faculty of Science, Niigata University, Niigata 950-2181, Japan
| | - Kazuhiro Furukawa
- Department of Chemistry, Faculty of Science, Niigata University, Niigata 950-2181, Japan
| | - Yoshiro Chuman
- Department of Chemistry, Faculty of Science, Niigata University, Niigata 950-2181, Japan
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Ricci F, Dietz H. The harmony of form and function in DNA nanotechnology. NATURE NANOTECHNOLOGY 2023; 18:541-542. [PMID: 36991158 DOI: 10.1038/s41565-023-01362-x] [Citation(s) in RCA: 3] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Affiliation(s)
- Francesco Ricci
- Laboratory of Biosensors and Nanomachines, Department of Chemical Sciences and Technologies, University of Rome, Tor Vergata, Rome, Italy.
| | - Hendrik Dietz
- Department of Biosciences and Munich Institute of Biomedical Engineering, School of Natural Sciences, Technical University of Munich, Munich, Germany.
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38
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Wang X, Dai C, Wu Y, Liu Y, Wei D. Molecular-electromechanical system for unamplified detection of trace analytes in biofluids. Nat Protoc 2023:10.1038/s41596-023-00830-x. [PMID: 37208410 DOI: 10.1038/s41596-023-00830-x] [Citation(s) in RCA: 2] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/23/2022] [Accepted: 03/07/2023] [Indexed: 05/21/2023]
Abstract
Biological research and diagnostic applications normally require analysis of trace analytes in biofluids. Although considerable advancements have been made in developing precise molecular assays, the trade-off between sensitivity and ability to resist non-specific adsorption remains a challenge. Here, we describe the implementation of a testing platform based on a molecular-electromechanical system (MolEMS) immobilized on graphene field-effect transistors. A MolEMS is a self-assembled DNA nanostructure, containing a stiff tetrahedral base and a flexible single-stranded DNA cantilever. Electromechanical actuation of the cantilever modulates sensing events close to the transistor channel, improving signal-transduction efficiency, while the stiff base prevents non-specific adsorption of background molecules present in biofluids. A MolEMS realizes unamplified detection of proteins, ions, small molecules and nucleic acids within minutes and has a limit of detection of several copies in 100 μl of testing solution, offering an assay methodology with wide-ranging applications. In this protocol, we provide step-by-step procedures for MolEMS design and assemblage, sensor manufacture and operation of a MolEMS in several applications. We also describe adaptations to construct a portable detection platform. It takes ~18 h to construct the device and ~4 min to finish the testing from sample addition to result.
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Affiliation(s)
- Xuejun Wang
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, China
- Laboratory of Molecular Materials and Devices, Fudan University, Shanghai, China
| | - Changhao Dai
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, China
- Laboratory of Molecular Materials and Devices, Fudan University, Shanghai, China
| | - Yungeng Wu
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, China
- Laboratory of Molecular Materials and Devices, Fudan University, Shanghai, China
| | - Yunqi Liu
- Laboratory of Molecular Materials and Devices, Fudan University, Shanghai, China
| | - Dacheng Wei
- State Key Laboratory of Molecular Engineering of Polymers, Fudan University, Shanghai, China.
- Laboratory of Molecular Materials and Devices, Fudan University, Shanghai, China.
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39
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Maingi V, Zhang Z, Thachuk C, Sarraf N, Chapman ER, Rothemund PWK. Digital nanoreactors to control absolute stoichiometry and spatiotemporal behavior of DNA receptors within lipid bilayers. Nat Commun 2023; 14:1532. [PMID: 36941256 PMCID: PMC10027858 DOI: 10.1038/s41467-023-36996-x] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2022] [Accepted: 02/24/2023] [Indexed: 03/23/2023] Open
Abstract
Interactions between membrane proteins are essential for cell survival but are often poorly understood. Even the biologically functional ratio of components within a multi-subunit membrane complex-the native stoichiometry-is difficult to establish. Here we demonstrate digital nanoreactors that can control interactions between lipid-bound molecular receptors along three key dimensions: stoichiometric, spatial, and temporal. Each nanoreactor is based on a DNA origami ring, which both templates the synthesis of a liposome and provides tethering sites for DNA-based receptors (modelling membrane proteins). Receptors are released into the liposomal membrane using strand displacement and a DNA logic gate measures receptor heterodimer formation. High-efficiency tethering of receptors enables the kinetics of receptors in 1:1 and 2:2 absolute stoichiometries to be observed by bulk fluorescence, which in principle is generalizable to any ratio. Similar single-molecule-in-bulk experiments using DNA-linked membrane proteins could determine native stoichiometry and the kinetics of membrane protein interactions for applications ranging from signalling research to drug discovery.
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Affiliation(s)
- Vishal Maingi
- Department of Bioengineering, California Institute of Technology, Pasadena, CA, USA.
| | - Zhao Zhang
- Department of Neuroscience and Howard Hughes Medical Institute, University of Wisconsin-Madison, 1111 Highland Avenue, Madison, WI, 53705, USA
| | - Chris Thachuk
- Paul G. Allen School of Computer Science & Engineering, University of Washington, Seattle, WA, USA.
| | - Namita Sarraf
- Department of Bioengineering, California Institute of Technology, Pasadena, CA, USA
| | - Edwin R Chapman
- Department of Neuroscience and Howard Hughes Medical Institute, University of Wisconsin-Madison, 1111 Highland Avenue, Madison, WI, 53705, USA.
| | - Paul W K Rothemund
- Department of Bioengineering, California Institute of Technology, Pasadena, CA, USA.
- Department of Computation & Neural Systems, California Institute of Technology, Pasadena, CA, USA.
- Department of Computation + Mathematical Sciences, California Institute of Technology, Pasadena, CA, USA.
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40
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Kocabey S, Chiarelli G, Acuna GP, Ruegg C. Ultrasensitive and multiplexed miRNA detection system with DNA-PAINT. Biosens Bioelectron 2023; 224:115053. [PMID: 36608362 DOI: 10.1016/j.bios.2022.115053] [Citation(s) in RCA: 11] [Impact Index Per Article: 11.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/12/2022] [Revised: 12/27/2022] [Accepted: 12/28/2022] [Indexed: 12/31/2022]
Abstract
MiRNAs hold great potential as biomarkers for the early detection and monitoring of diseases based on their differential expression profiles. Therefore, the sensitive, specific and accurate detection of miRNAs represents an emerging new tool to improve diagnosis and treatment of several diseases, cancer in particular. DNA origami-based miRNA detection is particularly advantageous as it allows to incorporate multiple attachment sites to capture different target miRNAs at the nanoscale. In this work, we present a DNA origami nanoarray system providing distance-dependent recognition of miRNAs by applying super-resolution microscopy technique; DNA-PAINT (point accumulation for imaging in nanoscale topography). The sensor can detect up to 4 miRNAs either separately or in combination based on the relative distance to the boundary markers on the structure using a single imager strand. The detection is highly sensitive, with a limit of detection down to the low femtomolar range (11 fM - 388 fM) and has a large dynamic range up to 10 nM without need for amplification. Moreover, our detection system can discriminate single base mismatches with low false positive rates. Using our strategy, we demonstrate the detection of endogenous miRNAs from cell extracts of cancer cell lines and plasma from breast cancer patients. Overall, we developed an ultrasensitive and amplification-free, DNA-PAINT imaging-based miRNA detection method using DNA origami nanoarray system for the detection of breast-cancer associated miRNAs which potentially provides a sensitive and accurate alternative to the current multiplexed diagnostic technologies.
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Affiliation(s)
- Samet Kocabey
- Laboratory of Experimental and Translational Oncology, Department of Oncology, Microbiology and Immunology, Faculty of Science and Medicine, University of Fribourg, Chemin du Musée 18, PER17, 1700, Fribourg, Switzerland.
| | - Germán Chiarelli
- Photonic Nanosystems, Department of Physics, Faculty of Science and Medicine, University of Fribourg, Chemin du Musée 3, PER08, 1700, Fribourg, Switzerland
| | - Guillermo P Acuna
- Photonic Nanosystems, Department of Physics, Faculty of Science and Medicine, University of Fribourg, Chemin du Musée 3, PER08, 1700, Fribourg, Switzerland
| | - Curzio Ruegg
- Laboratory of Experimental and Translational Oncology, Department of Oncology, Microbiology and Immunology, Faculty of Science and Medicine, University of Fribourg, Chemin du Musée 18, PER17, 1700, Fribourg, Switzerland
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41
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Wang W, Shen Y, Wei B. Controllable dynamics of complex DNA nanostructures. NANOSCALE 2023; 15:4795-4800. [PMID: 36806876 DOI: 10.1039/d2nr05872c] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/18/2023]
Abstract
In the past four decades, a variety of self-assembly design frameworks have led to the construction of versatile DNA nanostructures with increasing complexity and controllability. The controllable dynamics of DNA nanostructures has garnered much interest and emerged as a powerful tool for conducting sophisticated tasks at the molecular level. In this minireview, we summarized the controllable reconfigurations of complex DNA nanostructures induced by nucleic acid strands, environmental stimuli and enzymatic treatments. We also envisioned that with the optimization of response time, sensitivity and specificity, dynamic DNA nanostructures have great promise in applications ranging from nanorobotics to life sciences.
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Affiliation(s)
- Wen Wang
- BGI Research, BGI, Shenzhen 518083, China
- Guangdong Provincial Key Laboratory of Genome Read and Write, Shenzhen 518120, China.
| | - Yue Shen
- BGI Research, BGI, Shenzhen 518083, China
- Guangdong Provincial Key Laboratory of Genome Read and Write, Shenzhen 518120, China.
| | - Bryan Wei
- School of Life Sciences, Tsinghua University-Peking University Center for Life Sciences, Center for Synthetic and Systems Biology, Tsinghua University, Beijing 100084, China.
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42
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Oral CM, Ussia M, Urso M, Salat J, Novobilsky A, Stefanik M, Ruzek D, Pumera M. Radiopaque Nanorobots as Magnetically Navigable Contrast Agents for Localized In Vivo Imaging of the Gastrointestinal Tract. Adv Healthc Mater 2023; 12:e2202682. [PMID: 36502367 DOI: 10.1002/adhm.202202682] [Citation(s) in RCA: 4] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Grants] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/17/2022] [Revised: 11/29/2022] [Indexed: 12/14/2022]
Abstract
Magnetic nanorobots offer wireless navigation capability in hard-to-reach areas of the human body for targeted therapy and diagnosis. Though in vivo imaging is required for guidance of the magnetic nanorobots toward the target areas, most of the imaging techniques are inadequate to reveal the potential locomotion routes. This work proposes the use of radiopaque magnetic nanorobots along with microcomputed tomography (microCT) for localized in vivo imaging applications. The nanorobots consist of a contrast agent, barium sulfate (BaSO4 ), magnetized by the decoration of magnetite (Fe3 O4 ) particles. The magnetic features lead to actuation under rotating magnetic fields and enable precise navigation in a microfluidic channel used to simulate confined spaces of the body. In this channel, the intrinsic radiopacity of the nanorobots also provides the possibility to reveal the internal structures by X-ray contrast. Furthermore, in vitro analysis indicates nontoxicity of the nanorobots. In vivo experiments demonstrate localization of the nanorobots in a specific part of the gastrointestinal (GI) tract upon the influence of the magnetic field, indicating the efficient control even in the presence of natural peristaltic movements. The nanorobots reported here highlight that smart nanorobotic contrast agents can improve the current imaging-based diagnosis techniques by providing untethered controllability in vivo.
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Affiliation(s)
- Cagatay M Oral
- Future Energy and Innovation Laboratory, Central European Institute of Technology, Brno University of Technology, Purkynova 123, Brno, CZ-61200, Czech Republic
| | - Martina Ussia
- Future Energy and Innovation Laboratory, Central European Institute of Technology, Brno University of Technology, Purkynova 123, Brno, CZ-61200, Czech Republic
| | - Mario Urso
- Future Energy and Innovation Laboratory, Central European Institute of Technology, Brno University of Technology, Purkynova 123, Brno, CZ-61200, Czech Republic
| | - Jiri Salat
- Laboratory of Emerging Viral Infections, Veterinary Research Institute, Hudcova 296/70, Brno, CZ-62100, Czech Republic
- Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, Branisovska 31, Ceske Budejovice, CZ-37005, Czech Republic
| | - Adam Novobilsky
- Department of Pharmacology and Toxicology, Veterinary Research Institute, Hudcova 296/70, Brno, CZ-62100, Czech Republic
| | - Michal Stefanik
- Laboratory of Emerging Viral Infections, Veterinary Research Institute, Hudcova 296/70, Brno, CZ-62100, Czech Republic
- Department of Chemistry and Biochemistry, Mendel University in Brno, Zemedelska 1665/1, Brno, CZ-61300, Czech Republic
| | - Daniel Ruzek
- Laboratory of Emerging Viral Infections, Veterinary Research Institute, Hudcova 296/70, Brno, CZ-62100, Czech Republic
- Institute of Parasitology, Biology Centre of the Czech Academy of Sciences, Branisovska 31, Ceske Budejovice, CZ-37005, Czech Republic
- Department of Experimental Biology, Faculty of Science, Masaryk University, Kamenice 735/5, Brno, CZ-62500, Czech Republic
| | - Martin Pumera
- Future Energy and Innovation Laboratory, Central European Institute of Technology, Brno University of Technology, Purkynova 123, Brno, CZ-61200, Czech Republic
- Department of Medical Research, China Medical University Hospital, China Medical University, No. 91 Hsueh-Shih Road, Taichung, TW-40402, Taiwan
- Faculty of Electrical Engineering and Computer Science, VSB - Technical University of Ostrava, 17. listopadu 2172/15, Ostrava, CZ-70800, Czech Republic
- Department of Chemical and Biomolecular Engineering, Yonsei University, 50 Yonsei-ro, Seodaemun-gu, Seoul, KR-03722, Korea
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43
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He B, Zhang Z, Huang Z, Duan X, Wang Y, Cao J, Li L, He K, Nice EC, He W, Gao W, Shen Z. Protein persulfidation: Rewiring the hydrogen sulfide signaling in cell stress response. Biochem Pharmacol 2023; 209:115444. [PMID: 36736962 DOI: 10.1016/j.bcp.2023.115444] [Citation(s) in RCA: 12] [Impact Index Per Article: 12.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/11/2022] [Revised: 01/27/2023] [Accepted: 01/27/2023] [Indexed: 02/04/2023]
Abstract
The past few decades have witnessed significant progress in the discovery of hydrogen sulfide (H2S) as a ubiquitous gaseous signaling molecule in mammalian physiology, akin to nitric oxide and carbon monoxide. As the third gasotransmitter, H2S is now known to exert a wide range of physiological and cytoprotective functions in the biological systems. However, endogenous H2S concentrations are usually low, and its potential biologic mechanisms responsible have not yet been fully clarified. Recently, a growing body of evidence has demonstrated that protein persulfidation, a posttranslational modification of cysteine residues (RSH) to persulfides (RSSH) elicited by H2S, is a fundamental mechanism of H2S-mediated signaling pathways. Persulfidation, as a biological switch for protein function, plays an important role in the maintenance of cell homeostasis in response to various internal and external stress stimuli and is also implicated in numerous diseases, such as cardiovascular and neurodegenerative diseases and cancer. In this review, the biological significance of protein persulfidation by H2S in cell stress response is reviewed providing a framework for understanding the multifaceted roles of H2S. A mechanism-guided perspective can help open novel avenues for the exploitation of therapeutics based on H2S-induced persulfidation in the context of diseases.
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Affiliation(s)
- Bo He
- West China School of Basic Medical Sciences & Forensic Medicine, and State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu 610041, China
| | - Zhe Zhang
- West China School of Basic Medical Sciences & Forensic Medicine, and State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu 610041, China
| | - Zhao Huang
- West China School of Basic Medical Sciences & Forensic Medicine, and State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu 610041, China
| | - Xirui Duan
- Department of Oncology, Sichuan Academy of Medical Sciences and Sichuan Provincial People's Hospital, School of Medicine, University of Electronic Science and Technology of China, Chengdu 610072, China
| | - Yu Wang
- West China School of Basic Medical Sciences & Forensic Medicine, and State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu 610041, China
| | - Jiangjun Cao
- West China School of Basic Medical Sciences & Forensic Medicine, and State Key Laboratory of Biotherapy and Cancer Center, West China Hospital, Sichuan University, and Collaborative Innovation Center for Biotherapy, Chengdu 610041, China
| | - Lei Li
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Kai He
- School of Basic Medical Sciences, Chengdu University of Traditional Chinese Medicine, Chengdu, 611137, China
| | - Edouard C Nice
- Department of Biochemistry and Molecular Biology, Monash University, Clayton, Victoria, Australia
| | - Weifeng He
- Institute of Burn Research, Southwest Hospital, State Key Laboratory of Trauma, Burn and Combined Injury, Chongqing Key Laboratory for Disease Proteomics, Army Military Medical University, Chongqing 400038, China.
| | - Wei Gao
- Clinical Genetics Laboratory, Affiliated Hospital & Clinical Medical College of Chengdu University, Chengdu 610081, China.
| | - Zhisen Shen
- Department of Otorhinolaryngology and Head and Neck Surgery, Affiliated Lihuili Hospital, Ningbo University, Ningbo 315040, Zhejiang, China.
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44
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Gene-encoding DNA origami for mammalian cell expression. Nat Commun 2023; 14:1017. [PMID: 36823187 PMCID: PMC9950468 DOI: 10.1038/s41467-023-36601-1] [Citation(s) in RCA: 22] [Impact Index Per Article: 22.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/24/2022] [Accepted: 02/09/2023] [Indexed: 02/25/2023] Open
Abstract
DNA origami may enable more versatile gene delivery applications through its ability to create custom nanoscale objects with specific targeting, cell-invading, and intracellular effector functionalities. Toward this goal here we describe the expression of genes folded in DNA origami objects delivered to mammalian cells. Genes readily express from custom-sequence single-strand scaffolds folded within DNA origami objects, provided that the objects can denature in the cell. We demonstrate enhanced gene expression efficiency by including and tuning multiple functional sequences and structures, including virus-inspired inverted-terminal repeat-like (ITR) hairpin motifs upstream or flanking the expression cassette. We describe gene-encoding DNA origami bricks that assemble into multimeric objects to enable stoichiometrically controlled co-delivery and expression of multiple genes in the same cells. Our work provides a framework for exploiting DNA origami for gene delivery applications.
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45
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Mori K, Takezawa Y, Shionoya M. Metal-dependent base pairing of bifacial iminodiacetic acid-modified uracil bases for switching DNA hybridization partner. Chem Sci 2023; 14:1082-1088. [PMID: 36756334 PMCID: PMC9891364 DOI: 10.1039/d2sc06534g] [Citation(s) in RCA: 7] [Impact Index Per Article: 7.0] [Reference Citation Analysis] [Abstract] [Grants] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/28/2022] [Accepted: 01/02/2023] [Indexed: 01/05/2023] Open
Abstract
Dynamic control of DNA assembly by external stimuli has received increasing attention in recent years. Dynamic ligand exchange in metal complexes can be a central element in the structural and functional transformation of DNA assemblies. In this study, N,N-dicarboxymethyl-5-aminouracil (dcaU) nucleoside with an iminodiacetic acid (IDA) ligand at the 5-position of the uracil base has been developed as a bifacial nucleoside that can form both hydrogen-bonded and metal-mediated base pairs. Metal complexation study of dcaU nucleosides revealed their ability to form a 2:1 complex with a GdIII ion at the monomeric level. The characteristics of base pairing of dcaU nucleosides were then examined inside DNA duplexes. The results revealed that the formation of the metal-mediated dcaU-GdIII-dcaU pair significantly stabilized the DNA duplex containing one dcaU-dcaU mismatch (ΔT m = +16.1 °C). In contrast, a duplex containing a hydrogen-bonded dcaU-A pair was destabilized in the presence of GdIII (ΔT m = -3.5 °C). The GdIII-dependent base pairing of dcaU bases was applied to control the hybridization preference of DNA in response to metal ions. The hybridization partner of a dcaU-containing strand was reversibly exchanged by the addition and removal of GdIII ions. Since the incorporation of a single dcaU base can switch the hybridization behavior of DNA, the bifacial dcaU base would be a versatile building block for imparting metal responsiveness to DNA assemblies, allowing the rational design of dynamic DNA systems.
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Affiliation(s)
- Keita Mori
- Department of Chemistry, Graduate School of Science, The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Yusuke Takezawa
- Department of Chemistry, Graduate School of Science, The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033 Japan
| | - Mitsuhiko Shionoya
- Department of Chemistry, Graduate School of Science, The University of Tokyo 7-3-1 Hongo, Bunkyo-ku Tokyo 113-0033 Japan
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46
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Barclay MS, Chowdhury AU, Biaggne A, Huff JS, Wright ND, Davis PH, Li L, Knowlton WB, Yurke B, Pensack RD, Turner DB. Probing DNA structural heterogeneity by identifying conformational subensembles of a bicovalently bound cyanine dye. J Chem Phys 2023; 158:035101. [PMID: 36681650 DOI: 10.1063/5.0131795] [Citation(s) in RCA: 1] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023] Open
Abstract
DNA is a re-configurable, biological information-storage unit, and much remains to be learned about its heterogeneous structural dynamics. For example, while it is known that molecular dyes templated onto DNA exhibit increased photostability, the mechanism by which the structural dynamics of DNA affect the dye photophysics remains unknown. Here, we use femtosecond, two-dimensional electronic spectroscopy measurements of a cyanine dye, Cy5, to probe local conformations in samples of single-stranded DNA (ssDNA-Cy5), double-stranded DNA (dsDNA-Cy5), and Holliday junction DNA (HJ-DNA-Cy5). A line shape analysis of the 2D spectra reveals a strong excitation-emission correlation present in only the dsDNA-Cy5 complex, which is a signature of inhomogeneous broadening. Molecular dynamics simulations support the conclusion that this inhomogeneous broadening arises from a nearly degenerate conformer found only in the dsDNA-Cy5 complex. These insights will support future studies on DNA's structural heterogeneity.
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Affiliation(s)
- Matthew S Barclay
- Micron School for Materials Science and Engineering, Boise State University, Boise, Idaho 83725, USA
| | - Azhad U Chowdhury
- Micron School for Materials Science and Engineering, Boise State University, Boise, Idaho 83725, USA
| | - Austin Biaggne
- Micron School for Materials Science and Engineering, Boise State University, Boise, Idaho 83725, USA
| | - Jonathan S Huff
- Micron School for Materials Science and Engineering, Boise State University, Boise, Idaho 83725, USA
| | - Nicholas D Wright
- Micron School for Materials Science and Engineering, Boise State University, Boise, Idaho 83725, USA
| | - Paul H Davis
- Micron School for Materials Science and Engineering, Boise State University, Boise, Idaho 83725, USA
| | - Lan Li
- Micron School for Materials Science and Engineering, Boise State University, Boise, Idaho 83725, USA
| | - William B Knowlton
- Micron School for Materials Science and Engineering, Boise State University, Boise, Idaho 83725, USA
| | - Bernard Yurke
- Micron School for Materials Science and Engineering, Boise State University, Boise, Idaho 83725, USA
| | - Ryan D Pensack
- Micron School for Materials Science and Engineering, Boise State University, Boise, Idaho 83725, USA
| | - Daniel B Turner
- Micron School for Materials Science and Engineering, Boise State University, Boise, Idaho 83725, USA
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47
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Structures and Applications of Nucleic Acid-Based Micelles for Cancer Therapy. Int J Mol Sci 2023; 24:ijms24021592. [PMID: 36675110 PMCID: PMC9861421 DOI: 10.3390/ijms24021592] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/14/2022] [Revised: 01/05/2023] [Accepted: 01/11/2023] [Indexed: 01/15/2023] Open
Abstract
Nucleic acids have become important building blocks in nanotechnology over the last 30 years. DNA and RNA can sequentially build specific nanostructures, resulting in versatile drug delivery systems. Self-assembling amphiphilic nucleic acids, composed of hydrophilic and hydrophobic segments to form micelle structures, have the potential for cancer therapeutics due to their ability to encapsulate hydrophobic agents into their core and position functional groups on the surface. Moreover, DNA or RNA within bio-compatible micelles can function as drugs by themselves. This review introduces and discusses nucleic acid-based spherical micelles from diverse amphiphilic nucleic acids and their applications in cancer therapy.
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48
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Doye JPK, Fowler H, Prešern D, Bohlin J, Rovigatti L, Romano F, Šulc P, Wong CK, Louis AA, Schreck JS, Engel MC, Matthies M, Benson E, Poppleton E, Snodin BEK. The oxDNA Coarse-Grained Model as a Tool to Simulate DNA Origami. Methods Mol Biol 2023; 2639:93-112. [PMID: 37166713 DOI: 10.1007/978-1-0716-3028-0_6] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 05/12/2023]
Abstract
This chapter introduces how to run molecular dynamics simulations for DNA origami using the oxDNA coarse-grained model.
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Affiliation(s)
- Jonathan P K Doye
- Physical and Theoretical Chemistry Laboratory, Department of Chemistry, University of Oxford, Oxford, UK.
| | - Hannah Fowler
- Physical and Theoretical Chemistry Laboratory, Department of Chemistry, University of Oxford, Oxford, UK
| | - Domen Prešern
- Physical and Theoretical Chemistry Laboratory, Department of Chemistry, University of Oxford, Oxford, UK
| | - Joakim Bohlin
- Department of Physics, Clarendon Laboratory, University of Oxford, Oxford, UK
| | | | - Flavio Romano
- Dipartimento di Fisica, Sapienza Universitá di Roma, Rome, Italy
| | - Petr Šulc
- School of Molecular Sciences and Center for Molecular Design and Biomimetics, The Biodesign Institute, Arizona State University, Tempe, AZ, USA
| | - Chak Kui Wong
- Physical and Theoretical Chemistry Laboratory, Department of Chemistry, University of Oxford, Oxford, UK
| | - Ard A Louis
- Rudolf Peierls Centre for Theoretical Physics, University of Oxford, Parks Road, Oxford, UK
| | - John S Schreck
- Computational and Information Systems Laboratory, National Center for Atmospheric Research (NCAR), Boulder, USA
| | - Megan C Engel
- School of Engineering and Applied Sciences, Harvard University, Cambridge, MA, USA
| | - Michael Matthies
- School of Molecular Sciences and Center for Molecular Design and Biomimetics, The Biodesign Institute, Arizona State University, Tempe, AZ, USA
| | - Erik Benson
- Department of Physics, Clarendon Laboratory, University of Oxford, Oxford, UK
| | - Erik Poppleton
- School of Molecular Sciences and Center for Molecular Design and Biomimetics, The Biodesign Institute, Arizona State University, Tempe, AZ, USA
| | - Benedict E K Snodin
- Department of Philosophy, Future of Humanity Institute, University of Oxford, Oxford, UK
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49
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Chattha GM, Arshad S, Kamal Y, Chattha MA, Asim MH, Raza SA, Mahmood A, Manzoor M, Dar UI, Arshad A. Nanorobots: An innovative approach for DNA-based cancer treatment. J Drug Deliv Sci Technol 2023. [DOI: 10.1016/j.jddst.2023.104173] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/15/2023]
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Biochemical analysis based on optical detection integrated microfluidic chip. Trends Analyt Chem 2023. [DOI: 10.1016/j.trac.2022.116865] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/12/2022]
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