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学者姓名:吴再生

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Folding an RCA Scaffold into an Intelligent Coiled Nanosnake for Precise/Synergistic RNAi-/Chemotherapy of Cancer SCIE
期刊论文 | 2025 , 97 (2) , 1107-1116 | ANALYTICAL CHEMISTRY
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Abstract :

An RCA product is a promising scaffold for the construction of DNA nanostructures, but so far, there is no RCA scaffold-based dynamic reconfigurable nanorobot for biological applications. In this contribution, we develop an intracellular stimuli-responsive reconfigurable coiled DNA nanosnake (N-Snake) by using incomplete aptamer-functionalized (A) DNA tetrahedrons (T) to fold a long tandemly repetitive DNA strand synthesized by rolling circle amplification reaction (R) with the help of palindromic fragment (P). A DNA-assembled product, ARTP, including spiked aptamers, can retain the structural integrity even if exposed to fetal bovine serum (FBS) for 24 h and displays substantially enhanced target molecule-dependent cellular internalization efficiency. ARTP contains tetrahedral containers and linear containers, so that there are 500 doxorubicins (DOXs) and 12.5 siRNAs per ARTP. Moreover, ARTP can precisely transport anticancer drugs to cancerous sites and controllably release via the structural reconfiguration upon intracellular stimuli, almost 100% inhibiting tumor growth without detectable systemic toxicity owing to the synergistic RNAi-/Chemotherapy. Apparently, coiled N-snake, DOX/siPlk1-loaded ARTP, can specifically enter tumor cells, uncoil upon intracellular stimuli, and attack the cells from the inside, exerting precise cancer therapy.

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GB/T 7714 Li, Congcong , Lin, Wenqing , Wang, Weijun et al. Folding an RCA Scaffold into an Intelligent Coiled Nanosnake for Precise/Synergistic RNAi-/Chemotherapy of Cancer [J]. | ANALYTICAL CHEMISTRY , 2025 , 97 (2) : 1107-1116 .
MLA Li, Congcong et al. "Folding an RCA Scaffold into an Intelligent Coiled Nanosnake for Precise/Synergistic RNAi-/Chemotherapy of Cancer" . | ANALYTICAL CHEMISTRY 97 . 2 (2025) : 1107-1116 .
APA Li, Congcong , Lin, Wenqing , Wang, Weijun , Wu, Jingting , Luo, Shasha , Chen, Linhuan et al. Folding an RCA Scaffold into an Intelligent Coiled Nanosnake for Precise/Synergistic RNAi-/Chemotherapy of Cancer . | ANALYTICAL CHEMISTRY , 2025 , 97 (2) , 1107-1116 .
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Folding an RCA Scaffold into an Intelligent Coiled Nanosnake for Precise/Synergistic RNAi-/Chemotherapy of Cancer Scopus
期刊论文 | 2025 , 97 (2) , 1107-1116 | Analytical Chemistry
Folding an RCA Scaffold into an Intelligent Coiled Nanosnake for Precise/Synergistic RNAi-/Chemotherapy of Cancer EI
期刊论文 | 2025 , 97 (2) , 1107-1116 | Analytical Chemistry
Y-Shaped Backbone-Rigidified DNA Tiles for the Construction of Supersized Nondeformable Tetrahedrons for Precise Cancer Therapies SCIE
期刊论文 | 2024 , 96 (4) , 1488-1497 | ANALYTICAL CHEMISTRY
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Abstract :

While engineered DNA nanoframeworks have been extensively exploited for delivery of diagnostic and therapeutic regents, DNA tiling-based DNA frameworks amenable to applications in living systems lag much behind. In this contribution, by developing a Y-shaped backbone-based DNA tiling technique, we assemble Y-shaped backbone-rigidified supersized DNA tetrahedrons (RDT) with 100% efficiency for precisely targeted tumor therapy. RDT displays unparalleled rigidness and unmatched resistance to nuclease degradation so that it almost does not deform under the force exerted by the atomic force microscopy tip, and the residual amount is not less than 90% upon incubating in biological media for 24 h, displaying at least 11.6 times enhanced degradation resistance. Without any targeting ligand, RDT enters the cancer cell in a targeted manner, and internalization specificity is up to 15.8. Moreover, 77% of RDT objects remain intact within living cells for 14 h. The drug loading content of RDT is improved by 4-8 times, and RDT almost 100% eliminates the unintended drug leakage in a stimulated physiological medium. Once systemically administrated into HeLa tumor-bearing mouse models, doxorubicin-loaded RDTs preferentially accumulate in tumor sites and efficiently suppress tumor growth without detectable off-target toxicity. The Y-DNA tiling technique offers invaluable insights into the development of structural DNA nanotechnology for precise medicine.

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GB/T 7714 Wang, Weijun , Lin, Mengling , Chen, Yan-Ru et al. Y-Shaped Backbone-Rigidified DNA Tiles for the Construction of Supersized Nondeformable Tetrahedrons for Precise Cancer Therapies [J]. | ANALYTICAL CHEMISTRY , 2024 , 96 (4) : 1488-1497 .
MLA Wang, Weijun et al. "Y-Shaped Backbone-Rigidified DNA Tiles for the Construction of Supersized Nondeformable Tetrahedrons for Precise Cancer Therapies" . | ANALYTICAL CHEMISTRY 96 . 4 (2024) : 1488-1497 .
APA Wang, Weijun , Lin, Mengling , Chen, Yan-Ru , Wang, Wenqing , Lv, Jinrui , Chen, Yaxin et al. Y-Shaped Backbone-Rigidified DNA Tiles for the Construction of Supersized Nondeformable Tetrahedrons for Precise Cancer Therapies . | ANALYTICAL CHEMISTRY , 2024 , 96 (4) , 1488-1497 .
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Y-Shaped Backbone-Rigidified DNA Tiles for the Construction of Supersized Nondeformable Tetrahedrons for Precise Cancer Therapies EI
期刊论文 | 2024 , 96 (4) , 1488-1497 | Analytical Chemistry
Y-Shaped Backbone-Rigidified DNA Tiles for the Construction of Supersized Nondeformable Tetrahedrons for Precise Cancer Therapies Scopus
期刊论文 | 2024 , 96 (4) , 1488-1497 | Analytical Chemistry
DNA tetrahedral nanostructures for the biomedical application and spatial orientation of biomolecules SCIE CSCD
期刊论文 | 2024 , 33 , 279-310 | BIOACTIVE MATERIALS
WoS CC Cited Count: 13
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Abstract :

DNA not only plays a vital role in nature as fundamental hereditary material for storing genetic material, but also serves as well-defined functional material, for example, building blocks for the assembly of nanoscale bioarchitectures by Watson-Crick base-pairing interaction. With the development of molecular biology, biotechnology and nanoscience, structural DNA nanotechnology has achieved numerous advances, contributing to the construction of various DNA nanostructures ranging from discrete objects to one dimensional (1D), two dimensional (2D), and three dimensional (3D) architectures. Among them, DNA tetrahedral nanoarchitecture is intensively studied because of simple 3D structure, easy design and unique properties, such as high rigidity, desirable biostability and efficient cellular uptake without auxiliary species. This review summarizes the research progress in the assembly of DNA tetrahedral objects and outlines the applications in biosensing, drug delivery and targeted therapy. Moreover, the dependence of biological activity of biomolecules on DNA tetrahedronmediated spatially-controlled arrangement and great potential applications are discussed. In addition, the challenges in the design and clinic applications of DNA tetrahedron-based platforms are described, the perspectives towards biomedical applications are foreseen, and our understandings on further studies of DNA tetrahedron are provided, aiming to motivate the development of DNA nanotechnology and interdisciplinary research.

Keyword :

Biomarker detection Biomarker detection cancer treatment cancer treatment DNA nanotechnology DNA nanotechnology DNA tetrahedron DNA tetrahedron Drug delivery Drug delivery Oriented arrangement Oriented arrangement

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GB/T 7714 Wang, Weijun , Lin, Mengling , Wang, Wenqing et al. DNA tetrahedral nanostructures for the biomedical application and spatial orientation of biomolecules [J]. | BIOACTIVE MATERIALS , 2024 , 33 : 279-310 .
MLA Wang, Weijun et al. "DNA tetrahedral nanostructures for the biomedical application and spatial orientation of biomolecules" . | BIOACTIVE MATERIALS 33 (2024) : 279-310 .
APA Wang, Weijun , Lin, Mengling , Wang, Wenqing , Shen, Zhifa , Wu, Zai-Sheng . DNA tetrahedral nanostructures for the biomedical application and spatial orientation of biomolecules . | BIOACTIVE MATERIALS , 2024 , 33 , 279-310 .
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DNA tetrahedral nanostructures for the biomedical application and spatial orientation of biomolecules Scopus CSCD
期刊论文 | 2024 , 33 , 279-310 | Bioactive Materials
Persistent autonomous molecular motion of DNA walker along a single-molecule nano-track for intracellular MicroRNA imaging Scopus
期刊论文 | 2024 , 280 | Talanta
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Abstract :

While the intracellular imaging of miRNA biomarkers is of significant importance for the diagnosis and treatment of human cancers, DNA assembled nanoprobe has recently attracted considerable attention for imaging intracellular biomolecules. However, the complex construction process, intrinsic vulnerability to nuclease degradation and the limited signal transduction efficiency hamper its widespread application. In this contribution, based on persistent autonomous molecular motion of DNAzyme walker along a nano-substrate track, a DNA nanosphere probe (PNLD) is developed for the sensitive intracellular miR-21 imaging. Specifically, DNA nanosphere (called PN, single-molecule nano-track) is assembled from only one palindromic substrate, into which the locking strand-silenced DNAzymes (LD) are installed in a controlled manner. PNLD (made of PN and LD) can protect all DNA components against nuclease attack and maintain its structural integrity in serum solution over 24 h. Upon the activation by target miRNA, DNAzyme walker can move on the substrate scattered within PNLD (or on the surface) and between different PNLD objects and cleave many DNA substrates, generating an amplified signal. As a result, miR-21 can be detected down to 6.83 pM without the detectable interference from co-existing nontarget miRNAs. Moreover, PNLD system can accurately screen the different expression levels of miR-21 within the same type of cells and different types of cells, which is consistent with gold standard polymerase chain reaction (PCR) assay. Via changing the target recognition sequence, the PNLD system can be suitable for the intracellular imaging of miR-155, exhibiting the desirable universality. In addition, the DNAzyme walker-based PNLD system can be used to distinguish cancer cells from healthy cells, implying the potential application in cancer diagnosis and prognosis. © 2024 Elsevier B.V.

Keyword :

Cell imaging Cell imaging DNA walker DNA walker Fluorescence Fluorescence miRNA detection miRNA detection Single-molecule track Single-molecule track

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GB/T 7714 Pan, W. , Chen, L. , Zhu, S. et al. Persistent autonomous molecular motion of DNA walker along a single-molecule nano-track for intracellular MicroRNA imaging [J]. | Talanta , 2024 , 280 .
MLA Pan, W. et al. "Persistent autonomous molecular motion of DNA walker along a single-molecule nano-track for intracellular MicroRNA imaging" . | Talanta 280 (2024) .
APA Pan, W. , Chen, L. , Zhu, S. , Li, D. , Shen, Z. , Wu, Z.-S. . Persistent autonomous molecular motion of DNA walker along a single-molecule nano-track for intracellular MicroRNA imaging . | Talanta , 2024 , 280 .
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Spherical Nucleic Acid-Mediated Spatial Matching-Guided Nonenzymatic DNA Circuits for the Prediction and Prevention of Malignant Tumor Invasion SCIE
期刊论文 | 2024 , 96 (18) , 7091-7100 | ANALYTICAL CHEMISTRY
WoS CC Cited Count: 1
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Abstract :

Detection of intracellular miRNAs, especially sensitive imaging of in vivo miRNAs, is vital to the precise prediction and timely prevention of tumorgenesis but remains a technical challenge in terms of nuclease resistance and signal amplification. Here, we demonstrate a gold nanoparticle-based spherical nucleic acid-mediated spatial matching-guided nonenzymatic DNA circuit (SSDC) for efficient screening of intracellular miRNAs and, in turn, finding cancerous tissues in living organisms before the appearance of clinical symptoms. Due to the substantially enhanced nuclease resistance, the false positive signal is avoided even in a complex biological medium. Target miRNA can straighten out the hairpin DNA probe to be linear, allowing the probe to penetrate into the internal region of a core/shell DNA-functionalized signal nanoampfilier and initiate a strand displacement reaction, generating an amplified fluorescence signal. The detection limit is as low as 17 pM, and miRNA imaging is in good accordance with the gold standard polymerase chain reaction method. The ability to image intracellular miRNAs is substantially superior to that of conventional fluorescence in situ hybridization techniques, making in vivo SSDC-based imaging competent for the precise prediction of tumorigenesis. By intratumoral chemotherapy guided by SSDC-based imaging, tumorigenesis and progression are efficiently controlled before the onset of clinical symptoms.

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GB/T 7714 Wang, Weijun , Li, Congcong , Luo, Shasha et al. Spherical Nucleic Acid-Mediated Spatial Matching-Guided Nonenzymatic DNA Circuits for the Prediction and Prevention of Malignant Tumor Invasion [J]. | ANALYTICAL CHEMISTRY , 2024 , 96 (18) : 7091-7100 .
MLA Wang, Weijun et al. "Spherical Nucleic Acid-Mediated Spatial Matching-Guided Nonenzymatic DNA Circuits for the Prediction and Prevention of Malignant Tumor Invasion" . | ANALYTICAL CHEMISTRY 96 . 18 (2024) : 7091-7100 .
APA Wang, Weijun , Li, Congcong , Luo, Shasha , Wu, Zai-Sheng . Spherical Nucleic Acid-Mediated Spatial Matching-Guided Nonenzymatic DNA Circuits for the Prediction and Prevention of Malignant Tumor Invasion . | ANALYTICAL CHEMISTRY , 2024 , 96 (18) , 7091-7100 .
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Spherical Nucleic Acid-Mediated Spatial Matching-Guided Nonenzymatic DNA Circuits for the Prediction and Prevention of Malignant Tumor Invasion EI
期刊论文 | 2024 , 96 (18) , 7091-7100 | Analytical Chemistry
Spherical Nucleic Acid-Mediated Spatial Matching-Guided Nonenzymatic DNA Circuits for the Prediction and Prevention of Malignant Tumor Invasion Scopus
期刊论文 | 2024 , 96 (18) , 7091-7100 | Analytical Chemistry
Superlarge, Rigidified DNA Tetrahedron with a Y-Shaped Backbone for Organizing Biomolecules Spatially and Maintaining Their Full Bioactivity EI
期刊论文 | 2024 , 18 (28) , 18257-18281 | ACS Nano
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Abstract :

A major impediment to the clinical translation of DNA tiling nanostructures is a technical bottleneck for the programmable assembly of DNA architectures with well-defined local geometry due to the inability to achieve both sufficient structural rigidity and a large framework. In this work, a Y-backbone was inserted into each face to construct a superlarge, sufficiently rigidified tetrahedral DNA nanostructure (called RDT) with extremely high efficiency. In RDT, the spatial size increased by 6.86-fold, and the structural rigidity was enhanced at least 4-fold, contributing to an ∼350-fold improvement in the resistance to nucleolytic degradation even without a protective coating. RDT can be mounted onto an artificial lipid-bilayer membrane with molecular-level precision and well-defined spatial orientation that can be validated using the fluorescence resonance energy transfer (FRET) assay. The spatial orientation of Y-shaped backbone-rigidified RDT is unachievable for conventional DNA polyhedrons and ensures a high level of precision in the geometric positioning of diverse biomolecules with an approximately homogeneous environment. In tests of RDT, surface-confined horseradish peroxidase (HRP) exhibited nearly 100% catalytic activity and targeting aptamer-immobilized gold nanoparticles showed 5.3-fold enhanced cellular internalization. Significantly, RDT exhibited a 27.5-fold enhanced structural stability in a bodily environment and did not induce detectable systemic toxicity. © 2024 American Chemical Society

Keyword :

Biomolecules Biomolecules Catalyst activity Catalyst activity DNA DNA Energy transfer Energy transfer Geometry Geometry Gold nanoparticles Gold nanoparticles Protective coatings Protective coatings Rigidity Rigidity

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GB/T 7714 Wang, Weijun , Wang, Wenqing , Chen, Yaxin et al. Superlarge, Rigidified DNA Tetrahedron with a Y-Shaped Backbone for Organizing Biomolecules Spatially and Maintaining Their Full Bioactivity [J]. | ACS Nano , 2024 , 18 (28) : 18257-18281 .
MLA Wang, Weijun et al. "Superlarge, Rigidified DNA Tetrahedron with a Y-Shaped Backbone for Organizing Biomolecules Spatially and Maintaining Their Full Bioactivity" . | ACS Nano 18 . 28 (2024) : 18257-18281 .
APA Wang, Weijun , Wang, Wenqing , Chen, Yaxin , Lin, Mengling , Chen, Yan-Ru , Zeng, Ruijin et al. Superlarge, Rigidified DNA Tetrahedron with a Y-Shaped Backbone for Organizing Biomolecules Spatially and Maintaining Their Full Bioactivity . | ACS Nano , 2024 , 18 (28) , 18257-18281 .
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Intelligent Reconfiguration-Promoted Cellular Internalization of Core-Shell DNA Nanoprobe Equipped with Successive Dual Stimuli-Responsive Protective Satellites for Amplification Fluorescence Imaging of Tumor Cells SCIE
期刊论文 | 2024 , 20 (28) | SMALL
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Abstract :

Although DNA probes have attracted increasing interest for precise tumor cell identification by imaging intracellular biomarkers, the requirement of commercial transfection reagents, limited targeting ligands, and/or non-biocompatible inorganic nanostructures has hampered the clinic translation. To circumvent these shortcomings, a reconfigurable ES-NC (Na+-dependent DNAzyme (E)-based substrate (S) cleavage core/shell DNA nanocluster (NC)) entirely from DNA strands is assembled for precise imaging of cancerous cells in a successive dual-stimuli-responsive manner. This nanoprobe is composed of a strung DNA tetrahedral satellites-based protective (DTP) shell, parallelly aligned target-responsive sensing (PTS) interlayer, and hydrophobic cholesterol-packed innermost layer (HCI core). Tetrahedral axial rotation-activated reconfiguration of DTP shell promotes the exposure of interior hydrophobic moieties, enabling cholesterol-mediated cellular internalization without auxiliary elements. Within cells, over-expressed glutathione triggers the disassembly of the DTP protective shell (first stimulus), facilitating target-stimulated signal transduction/amplification process (second stimuli). Target miRNA-21 is detected down to 10.6 fM without interference from coexisting miRNAs. Compared with transfection reagent-mediated counterpart, ES-NC displays a higher imaging ability, resists nuclease degradation, and has no detectable damage to healthy cells. The blind test demonstrates that the ES-NC is suitable for the identification of cancerous cells from healthy cells, indicating a promising tool for early diagnosis and prediction of cancer. A reconfigurable core/shell DNAzyme-based ES-NC nanoprobe is demonstrated for the specific identification of cancerous cells. Axial rotation of the tetrahedral shell turns interior cholester moieties inside out and makes ES-NC grow a wiggling tentacle, contributing to cellular internalization. The disassembly of the protective shell by endogenous stimuli exposes the target miRNA binding site and catalytic core, activating the signal transduction/amplification process for cell imaging. image

Keyword :

axial rotation-based structural reconfiguration axial rotation-based structural reconfiguration ES-NC nanoprobe made entirely of DNA strands ES-NC nanoprobe made entirely of DNA strands hydrophobicity-mediated assembly hydrophobicity-mediated assembly precise tumor cell identification precise tumor cell identification successive dual stimuli-responsive intracellular signaling successive dual stimuli-responsive intracellular signaling

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GB/T 7714 Pan, Wenhao , Niu, Huimin , Luo, Shasha et al. Intelligent Reconfiguration-Promoted Cellular Internalization of Core-Shell DNA Nanoprobe Equipped with Successive Dual Stimuli-Responsive Protective Satellites for Amplification Fluorescence Imaging of Tumor Cells [J]. | SMALL , 2024 , 20 (28) .
MLA Pan, Wenhao et al. "Intelligent Reconfiguration-Promoted Cellular Internalization of Core-Shell DNA Nanoprobe Equipped with Successive Dual Stimuli-Responsive Protective Satellites for Amplification Fluorescence Imaging of Tumor Cells" . | SMALL 20 . 28 (2024) .
APA Pan, Wenhao , Niu, Huimin , Luo, Shasha , Chen, Linhuan , Wu, Zai-Sheng . Intelligent Reconfiguration-Promoted Cellular Internalization of Core-Shell DNA Nanoprobe Equipped with Successive Dual Stimuli-Responsive Protective Satellites for Amplification Fluorescence Imaging of Tumor Cells . | SMALL , 2024 , 20 (28) .
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Intelligent Reconfiguration-Promoted Cellular Internalization of Core–Shell DNA Nanoprobe Equipped with Successive Dual Stimuli-Responsive Protective Satellites for Amplification Fluorescence Imaging of Tumor Cells EI
期刊论文 | 2024 , 20 (28) | Small
Intelligent Reconfiguration-Promoted Cellular Internalization of Core–Shell DNA Nanoprobe Equipped with Successive Dual Stimuli-Responsive Protective Satellites for Amplification Fluorescence Imaging of Tumor Cells Scopus
期刊论文 | 2024 , 20 (28) | Small
Persistent Targeting DNA Nanocarrier Made of 3D Structural Unit Assembled from Only One Basic Multi-Palindromic Oligonucleotide for Precise Gene Cancer Therapy SCIE
期刊论文 | 2024 , 13 (11) | ADVANCED HEALTHCARE MATERIALS
WoS CC Cited Count: 3
Abstract&Keyword Cite Version(2)

Abstract :

Construction of a simple, reconfigurable, and stimuli-responsive DNA nanocarrier remains a technical challenge. In this contribution, by designing three palindromic fragments, a simplest four-sticky end-contained 3D structural unit (PS-unit) made of two same DNA components is proposed. Via regulating the rotation angle of central longitudinal axis of PS-unit, the oriented assembly of one-component spherical architecture is accomplished with high efficiency. Introduction of an aptamer and sticky tail warehouse into one component creates a size-change-reversible targeted siRNA delivery nanovehicle. Volume swelling of 20 nm allows one carrier to load 1987 siPLK1s. Once entering cancer cells and responding to glutathione (GSH) stimuli, siPLK1s are almost 100% released and original size of nanovehicle is restored, inhibiting the expression of PLK1 protein and substantially suppressing tumor growth (superior to commercial transfection agents) in tumor-bearing mice without systemic toxicity. A simple, reconfigurable, and stimuli-responsive DNA nanocarrier is developed for targeted siRNA delivery by using one-component. Once entering cancer cells and responding to GSH stimuli, siPLK1s are almost 100% released and original size of nanovehicle is restored, inhibiting the expression of PLK1 protein and achieving tumor growth suppression (superior to commercial transfection agents) in tumor-bearing mice without systemic toxicity. image

Keyword :

DNA nanocarrier DNA nanocarrier gene silencing gene silencing stimuli-responsive drug release stimuli-responsive drug release structural unit made of only one palindromic strand structural unit made of only one palindromic strand tumor inhibition tumor inhibition

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GB/T 7714 Wu, Jingting , Zheng, Xiaoqi , Lin, Wenqing et al. Persistent Targeting DNA Nanocarrier Made of 3D Structural Unit Assembled from Only One Basic Multi-Palindromic Oligonucleotide for Precise Gene Cancer Therapy [J]. | ADVANCED HEALTHCARE MATERIALS , 2024 , 13 (11) .
MLA Wu, Jingting et al. "Persistent Targeting DNA Nanocarrier Made of 3D Structural Unit Assembled from Only One Basic Multi-Palindromic Oligonucleotide for Precise Gene Cancer Therapy" . | ADVANCED HEALTHCARE MATERIALS 13 . 11 (2024) .
APA Wu, Jingting , Zheng, Xiaoqi , Lin, Wenqing , Chen, Linhuan , Wu, Zai-Sheng . Persistent Targeting DNA Nanocarrier Made of 3D Structural Unit Assembled from Only One Basic Multi-Palindromic Oligonucleotide for Precise Gene Cancer Therapy . | ADVANCED HEALTHCARE MATERIALS , 2024 , 13 (11) .
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Persistent Targeting DNA Nanocarrier Made of 3D Structural Unit Assembled from Only One Basic Multi-Palindromic Oligonucleotide for Precise Gene Cancer Therapy Scopus
期刊论文 | 2024 , 13 (11) | Advanced Healthcare Materials
Persistent Targeting DNA Nanocarrier Made of 3D Structural Unit Assembled from Only One Basic Multi-Palindromic Oligonucleotide for Precise Gene Cancer Therapy EI
期刊论文 | 2024 , 13 (11) | Advanced Healthcare Materials
Triangle-toothed gear occlude-guided universal nanotechnology constructs 3D symmetric DNA polyhedra with high assembly efficiency for precision cancer therapy SCIE
期刊论文 | 2024 , 677 , 1045-1060 | JOURNAL OF COLLOID AND INTERFACE SCIENCE
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Abstract :

Chemotherapy is commonly used to treat malignant tumors. However, conventional chemotherapeutic drugs often cannot distinguish between tumor and healthy cells, resulting in adverse effects and reduced therapeutic efficacy. Therefore, zigzag-shaped gear-occlude-guided cymbal-closing (ZGC) DNA nanotechnology was developed based on the mirror-symmetry principle to efficiently construct symmetric DNA polyhedra. This nanotechnology employed simple mixing steps for efficient sequence design and assembly. A targeting aptamer was installed at a user-defined position using an octahedron as a model structure. Chemotherapeutic drug-loaded polyhedral objects were subsequently delivered into tumor cells. Furthermore, anticancer drug-loaded DNA octahedra were intravenously injected into a HeLa tumor-bearing mouse model. Assembly efficiency was almost 100 %, with no residual building blocks identified. Moreover, this nanotechnology required a few DNA oligonucleotides, even for complex polyhedrons. Symmetric DNA polyhedrons retained their structural integrity for 24 h in complex biological environments, guaranteeing prolonged circulation without drug leakage in the bloodstream and promoting efficient accumulation in tumor tissues. In addition, DNA octahedra were cleared relatively slowly from tumor tissues. Similarly, tumor growth was significantly inhibited in vivo, , and a thera- peutic outcome comparable to that of conventional gene-chemo combination therapy was observed. Moreover, no systemic toxicity was detected. These findings indicate the potential application of ZGC DNA nanotechnology in precision medicine.

Keyword :

DNA nanotechnology DNA nanotechnology Human cancer Human cancer Mirror-symmetric DNA polyhedron Mirror-symmetric DNA polyhedron Precision medicine Precision medicine Zigzag-shaped triangle-toothed gear occlude Zigzag-shaped triangle-toothed gear occlude

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GB/T 7714 Gao, Qian , He, Tenghang , Chen, Linhuan et al. Triangle-toothed gear occlude-guided universal nanotechnology constructs 3D symmetric DNA polyhedra with high assembly efficiency for precision cancer therapy [J]. | JOURNAL OF COLLOID AND INTERFACE SCIENCE , 2024 , 677 : 1045-1060 .
MLA Gao, Qian et al. "Triangle-toothed gear occlude-guided universal nanotechnology constructs 3D symmetric DNA polyhedra with high assembly efficiency for precision cancer therapy" . | JOURNAL OF COLLOID AND INTERFACE SCIENCE 677 (2024) : 1045-1060 .
APA Gao, Qian , He, Tenghang , Chen, Linhuan , Zhu, Shidan , Li, Congcong , Zeng, Yi et al. Triangle-toothed gear occlude-guided universal nanotechnology constructs 3D symmetric DNA polyhedra with high assembly efficiency for precision cancer therapy . | JOURNAL OF COLLOID AND INTERFACE SCIENCE , 2024 , 677 , 1045-1060 .
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Triangle-toothed gear occlude-guided universal nanotechnology constructs 3D symmetric DNA polyhedra with high assembly efficiency for precision cancer therapy Scopus
期刊论文 | 2025 , 677 , 1045-1060 | Journal of Colloid and Interface Science
Triangle-toothed gear occlude-guided universal nanotechnology constructs 3D symmetric DNA polyhedra with high assembly efficiency for precision cancer therapy EI
期刊论文 | 2025 , 677 , 1045-1060 | Journal of Colloid and Interface Science
Self-folding RCA product into a parallel monolayer DNA nanoribbon and woven into a nano-fence structure by a short bridge strand SCIE
期刊论文 | 2024 , 677 , 30-39 | JOURNAL OF COLLOID AND INTERFACE SCIENCE
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Abstract :

The universal programmed construction of patterned periodic self-assembled nanostructures is a technical challenge in DNA origami nanotechnology but has numerous potential applications in biotechnology and biomedicine. In order to circumvent the dilemma that traditional DNA origami requires a long unusual singlestranded virus DNA as the scaffold and hundreds or even thousands of short strands as staples, we report a method for constructing periodically-self-folded rolling circle amplification products (RPs). The repeating unit is designed to have 3 intra-unit duplexes (inDP1,2,3) and 2 between-unit duplexes (buDP1,2). Based on the complementary pairing of bases, RPs each can self-fold into a periodic grid-patterned ribbon (GR) without the help of any auxiliary oligonucleotide staple. Moreover, by using only an oligonucleotide bridge strand, the GRs are connected together into the larger and denser planar nano-fence-shaped product (FP), which substantially reduces the number of DNA components compared with DNA origami and eliminates the obstacles in the practical application of DNA nanostructures. More interestingly, the FP-based DNA framework can be easily functionalized to offer spatial addressability for the precise positioning of nanoparticles and guest proteins with high spatial resolution, providing a new avenue for the future application of DNA assembled framework nanostructures in biology, material science, nanomedicine and computer science that often requires the ordered organization of functional moieties with nanometer-level and even molecular-level precision.

Keyword :

assembled from a self-folding RCA product assembled from a self-folding RCA product DNA scaffold DNA scaffold origami microarray origami microarray Periodic grid-patterned nanoribbon (GR) Periodic grid-patterned nanoribbon (GR) Structural DNA nanotechnology Structural DNA nanotechnology without short staple without short staple

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GB/T 7714 Pan, Wenhao , Zhu, Shidan , Chen, Linhuan et al. Self-folding RCA product into a parallel monolayer DNA nanoribbon and woven into a nano-fence structure by a short bridge strand [J]. | JOURNAL OF COLLOID AND INTERFACE SCIENCE , 2024 , 677 : 30-39 .
MLA Pan, Wenhao et al. "Self-folding RCA product into a parallel monolayer DNA nanoribbon and woven into a nano-fence structure by a short bridge strand" . | JOURNAL OF COLLOID AND INTERFACE SCIENCE 677 (2024) : 30-39 .
APA Pan, Wenhao , Zhu, Shidan , Chen, Linhuan , Chen, Chang , Xue, Chang , Wu, Rong et al. Self-folding RCA product into a parallel monolayer DNA nanoribbon and woven into a nano-fence structure by a short bridge strand . | JOURNAL OF COLLOID AND INTERFACE SCIENCE , 2024 , 677 , 30-39 .
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Self-folding RCA product into a parallel monolayer DNA nanoribbon and woven into a nano-fence structure by a short bridge strand Scopus
期刊论文 | 2025 , 677 , 30-39 | Journal of Colloid and Interface Science
Self-folding RCA product into a parallel monolayer DNA nanoribbon and woven into a nano-fence structure by a short bridge strand EI
期刊论文 | 2025 , 677 , 30-39 | Journal of Colloid and Interface Science
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