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Yang Z, Zhou J, Liu F, Chai Y, Zhang P, Yuan R. CsPbBr 3 Perovskite Quantum Dots Encapsulated by a Polymer Matrix for Ultrasensitive Dynamic Imaging of Intracellular MicroRNA. Anal Chem 2024; 96:10738-10747. [PMID: 38898770 DOI: 10.1021/acs.analchem.4c01833] [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: 06/21/2024]
Abstract
Herein, CsPbBr3 perovskite quantum dots (CPB PQDs)@poly(methyl methacrylate) (PMMA) (CPB@PMMA) nanospheres were used as energy donors with high Förster resonance energy transfer (FRET) efficiency and exceptional biocompatibility for ultrasensitive dynamic imaging of tiny amounts of microRNAs in living cells. Impressively, compared with traditional homogeneous single QDs as energy donors, CPB@PMMA obtained by encapsulating numerous CPB PQDs into PMMA as energy donors could not only significantly increase the efficiency of FRET via improving the local concentration of CPB PQDs but also distinctly avoid the problem of cytotoxicity caused by divulged heavy metal ions entering living cells. Most importantly, in the presence of target miRNA-21, DNA dendrimer-like nanostructures labeled with 6-carboxy-tetramethylrhodamine (TAMRA) were generated by the exposed tether interhybridization of the Y-shape structure, which could wrap around the surface of CPB@PMMA nanospheres to remarkably bridge the distance of FRET and increase the opportunity for effective energy transfer, resulting in excellent precision and accuracy for ultrasensitive and dynamic imaging of miRNAs. As proof of concept, the proposed strategy exhibited ultrahigh sensitivity with a detection limit of 45.3 aM and distinctly distinguished drug-irritative miRNA concentration abnormalities with living cells. Hence, the proposed enzyme-free CPB@PMMA biosensor provides convincing evidence for supplying accurate information, which could be expected to be a powerful tool for bioanalysis, diagnosis, and prognosis of human diseases.
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Affiliation(s)
- Zezhou Yang
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China
| | - Jie Zhou
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China
| | - Fang Liu
- Key Laboratory of Luminescence Analysis and Molecular Sensing (Southwest University), Ministry of Education, College of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. 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, P. R. 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, P. R. 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, P. R. China
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2
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Liu Y, Wang R, Zhang F, Ma Y, Jiang T. Detection of intracellular microRNA-21 for cancer diagnosis by a nanosystem containing a ZnO@polydopamine and DNAzyme probe. RSC Adv 2024; 14:13351-13360. [PMID: 38680416 PMCID: PMC11047055 DOI: 10.1039/d4ra00636d] [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: 01/25/2024] [Accepted: 04/15/2024] [Indexed: 05/01/2024] Open
Abstract
MicroRNAs (miRNAs) are a series of single-stranded non-coding ribonucleic acid (RNA) molecules which associated closely with various human diseases. Efficient strategies for detecting miRNAs are of great significance to cancer diagnosis and prognosis. Here we provide a novel nanosystem that can be applied for the detection of miRNAs. The nanosystem consists of a single-stranded deoxyribonucleic acid (DNA) probe and a probe carrier. The DNA probe was designed based on a deoxyribozyme (DNAzyme) with several necessary functional sequences and two fluorescent dyes labeled at proper sites. The ZnO@polydopamine (ZnO@PDA) nanomaterial serves not only as a probe carrier, but also as a supplier of Zn2+ that can activate the DNAzyme. The DNA probe will undergo a conformation alteration induced by miRNA-21, which then trigger the DNAzyme catalyzed self-cleavage reaction with the assist of Zn2+ provided by ZnO decomposition under weak acid environment. A change of fluorescent color will occur due to the interruption of fluorescence resonance energy transfer between the two fluorescent dyes, and the dissociated miRNA-21 can repeatedly induce the above responses to amplify the fluorescence signal. The feasibility of the whole procedure was demonstrated by various experiments. This nanosystem showed a good selectivity towards miRNA-21, and under the optimal incubation time of 2 hours, a good linear relationship was obtained in a concentration range of 0.01-2.0 nM with a detection limit of 3.8 pM. In in vivo detection, an obvious fluorescence color change from red to green can be observed in the presence of miRNA-21. The results proved that this miRNA detection strategy has a broad application prospect in tumor diagnosis and miRNA related biological studies.
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Affiliation(s)
- Yuanyuan Liu
- School of Municipal and Environmental Engineering, Shandong Jianzhu University Jinan 250101 Shandong P. R. China
| | - Ranran Wang
- Yantai Engineering & Technology College Yantai 264006 Shandong P. R. China
| | - Fengxia Zhang
- School of Municipal and Environmental Engineering, Shandong Jianzhu University Jinan 250101 Shandong P. R. China
| | - Yongshan Ma
- School of Municipal and Environmental Engineering, Shandong Jianzhu University Jinan 250101 Shandong P. R. China
| | - Tianyi Jiang
- School of Municipal and Environmental Engineering, Shandong Jianzhu University Jinan 250101 Shandong P. R. China
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3
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Su J, Wang M, Lin P, Huang Z, Li G, Chen X, Yan H, Zhou L. Trigger-activated autonomous DNA machine for amplified liver cancer biomarker microRNA21 imaging. ANAL SCI 2023; 39:1661-1667. [PMID: 37552462 DOI: 10.1007/s44211-023-00397-3] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/06/2022] [Accepted: 09/03/2022] [Indexed: 08/09/2023]
Abstract
MicroRNA-21 (miRNA-21) is a kind of RNA that exists in biological fluids such as blood, urine and saliva. It has over expression in liver cancer and has different expression in different stages of cancer. However, due to the characteristics of small base number, short length, low abundance and easy degradation of miRNA-21, the detection of miRNA-21 is a challenging subject. Visualization, sensitive, specific and stable detection of tumor suppressor or oncogene microRNAs (miRNAs) remains challenging and is highly significant for clinical diagnostics. To solve this problem, we have developed a target-triggered hybridization assembly DNA machine for intracellular miRNA imaging based on strand displacement amplification (SDA) and branched hybridization chain reaction (B-HCR). In this approach, the target miRNA could hybridize with the template probe to trigger the SDA, resulting in the formation of nicked fragments (NFs) that hybridized with hairpin probe1 (HP1). The opened HP1 could hybridize with hairpin probe2 (HP2), leading to the self-assembly of hyperbranched DNA nanostructures through B-HCR. As expected, the newly developed method exhibits a detection limit down to 11.3 pM miRNA-21 and achieves high selectivity toward miRNA-21 against other interfering miRNAs. Due to its superior sensitivity and selectivity, our method can be further used to detect miRNA-21 in human serum samples. By taking advantage of intelligent design, the proposed method was also used for image miRNA-21 expression levels in different cell lines. This method shows a broad application in clinical diagnosis.
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Affiliation(s)
- Jiqin Su
- The Second Affiliated Hospital of Xiamen Medical College, Xiamen, 361021, Fujian, China
| | - Maolin Wang
- The Second Affiliated Hospital of Xiamen Medical College, Xiamen, 361021, Fujian, China
| | - Peiyi Lin
- The Second Affiliated Hospital of Xiamen Medical College, Xiamen, 361021, Fujian, China
| | - Zhishu Huang
- The Second Affiliated Hospital of Xiamen Medical College, Xiamen, 361021, Fujian, China
| | - Guibin Li
- The Second Affiliated Hospital of Xiamen Medical College, Xiamen, 361021, Fujian, China
| | - Xiangru Chen
- The Second Affiliated Hospital of Xiamen Medical College, Xiamen, 361021, Fujian, China
| | - Huidi Yan
- The Second Affiliated Hospital of Xiamen Medical College, Xiamen, 361021, Fujian, China.
| | - Lixin Zhou
- The Second Affiliated Hospital of Xiamen Medical College, Xiamen, 361021, Fujian, China.
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Thangudu S, Lin WC, Lee CL, Liao MC, Yu CC, Wang YM, Su CH. Ligand free FeSn 2 alloy nanoparticles for safe T2-weighted MR imaging of in vivo lung tumors. Biomater Sci 2023; 11:2177-2185. [PMID: 36740962 DOI: 10.1039/d2bm01517j] [Citation(s) in RCA: 0] [Impact Index Per Article: 0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/04/2023]
Abstract
Biosafety is a critical issue for the successful translocation of nanomaterial-based therapeutic/diagnostic agents from bench to bedside. For instance, after the withdrawal of clinically approved magnetic resonance (MR) imaging contrast agents (CAs) due to their biosafety issues, there is a massive demand for alternative, efficient, and biocompatible MR contrast agents for future MRI clinical applications. To this end, here we successfully demonstrate the in vivo MR contrast abilities and biocompatibilities of ligand-free FeSn2 alloy NPs for tracking in vivo lung tumors. In vitro and in vivo results reveal the FeSn2 alloy NPs acting as appreciable T2 weighted MR contrast agents to locate tumors. The construction of iron (Fe) on biocompatible tin (Sn) greatly facilitates the reduction of the intrinsic toxicities of Fe in vivo resulting in no significant abnormalities in liver and kidney functions. Therefore, we envision that constructing ligand-free alloy NPs will be a promising candidate for tracking in vivo tumors in future clinical applications.
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Affiliation(s)
- Suresh Thangudu
- Center for General Education, Chang Gung University, Taoyuan, 333, Taiwan. .,Department of Diagnostic Radiology, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan
| | - Wei-Che Lin
- Department of Diagnostic Radiology, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan
| | - Chin-Lai Lee
- Department of Diagnostic Radiology, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan
| | - Min-Chiao Liao
- Department of Radiation Oncology, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan.
| | - Chun-Chieh Yu
- Institute for Translational Research in Biomedicine, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan
| | - Yu-Ming Wang
- Department of Radiation Oncology, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan.
| | - Chia-Hao Su
- Center for General Education, Chang Gung University, Taoyuan, 333, Taiwan. .,Department of Diagnostic Radiology, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan.,Department of Radiation Oncology, Kaohsiung Chang Gung Memorial Hospital, Kaohsiung 833, Taiwan. .,Department of Biomedical Imaging and Radiological Sciences, National Yang Ming Chiao Tung University, Taipei 112, Taiwan
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5
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Yang L, Yu S, Yan Y, Bi S, Zhu JJ. Upconversion Nanoparticle@Au Core-Satellite Assemblies for In Situ Amplified Imaging of MicroRNA in Living Cells and Combined Cancer Phototherapy. Anal Chem 2022; 94:7075-7083. [PMID: 35503860 DOI: 10.1021/acs.analchem.2c00477] [Citation(s) in RCA: 11] [Impact Index Per Article: 5.5] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/28/2022]
Abstract
Stimuli-responsive therapy of cancer with spatial and temporal control is crucial in improving the treatment efficacy and minimizing the side effects. MicroRNA (miRNA) as an important biomarker has become one of the most promising endogenous stimuli for cancer therapy. However, the therapy efficacy is often impeded by the low expression amount of miRNA. Herein, the upconversion nanoparticle@Au (UCNP@Au) core-satellite nanostructures are rationally fabricated for isothermal amplification detection and in situ imaging of microRNA-21 (miR-21) in living cells based on the toehold-mediated strand displacement (TMSD) reaction, which is further applied to miRNA-responsive combined photothermal and photodynamic therapy of breast cancer. The UCNP@Au are constructed by linking AuNPs to photosensitizers Rose Bengal (RB)-loaded UCNPs through DNA hybridization. The upconversion luminescence (UCL) is quenched by AuNPs, resulting in the attenuation of singlet oxygen generation of RB. Once UCNP@Au are internalized into MCF-7 cells, the overexpressed intracellular miR-21 trigger the cyclic disassembly of UCNP@Au through cascade TMSD reactions, which facilitate the restoration of UCL for in situ imaging of miR-21 with signal amplification. Moreover, the released AuNPs are aggregated for photothermal therapy (PTT), while the singlet oxygen generated by RB is enhanced for photodynamic therapy (PDT). Compared with single-mode therapy, the miRNA-activated combinational phototherapy has demonstrated a greatly improved therapeutic efficacy for breast cancer. Therefore, our proposed core-satellite nanostructures cannot only achieve in situ amplified imaging of endogenous miRNA but also provide an effective nanoplatform for stimuli-responsive combinational phototherapy, which hold great prospects in early diagnosis and treatment of cancers.
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Affiliation(s)
- Lin Yang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Sha Yu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
| | - Yongcun Yan
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao 266071, China
| | - Sai Bi
- College of Chemistry and Chemical Engineering, Qingdao University, Qingdao 266071, China
| | - Jun-Jie Zhu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering, Nanjing University, Nanjing 210023, China
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Yang F, Lu H, Meng X, Dong H, Zhang X. Shedding Light on DNA-Based Nanoprobes for Live-Cell MicroRNA Imaging. SMALL (WEINHEIM AN DER BERGSTRASSE, GERMANY) 2022; 18:e2106281. [PMID: 34854567 DOI: 10.1002/smll.202106281] [Citation(s) in RCA: 10] [Impact Index Per Article: 5.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/15/2021] [Indexed: 06/13/2023]
Abstract
DNA-based nanoprobes integrated with various imaging signals have been employed for fabricating versatile biosensor platforms for the study of intracellular biological process and biomarker detection. The nanoprobes developments also provide opportunities for endogenous microRNA (miRNA) in situ analysis. In this review, the authors are primarily interested in various DNA-based nanoprobes for miRNA biosensors and declare strategies to reveal how to customize the desired nanoplatforms. Initially, various delivery vehicles for nanoprobe architectures transmembrane transport are delineated, and their biosecurity and ability for resisting the complex cellular environment are evaluated. Then, the novel strategies for designing DNA sequences as target miRNA specific recognition and signal amplification modules for miRNA detection are presented. Afterward, recent advances in imaging technologies to accurately respond and produce significant signal output are summarized. Finally, the challenges and future directions in the field are discussed.
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Affiliation(s)
- Fan Yang
- Marshall Laboratory of Biomedical Engineering Research Center for Biosensor and Nanotheranostic, School of Biomedical Engineering, Health Science Center, Shenzhen University, Guangdong, 518060, P. R. China
- College of Basic Medical Sciences, Shanxi Medical University, Taiyuan, 030001, P. R. China
- School of Chemistry & Biological Engineering, University of Science & Technology Beijing, Beijing, 100083, P. R. China
| | - Huiting Lu
- School of Chemistry & Biological Engineering, University of Science & Technology Beijing, Beijing, 100083, P. R. China
| | - Xiangdan Meng
- School of Chemistry & Biological Engineering, University of Science & Technology Beijing, Beijing, 100083, P. R. China
| | - Haifeng Dong
- Marshall Laboratory of Biomedical Engineering Research Center for Biosensor and Nanotheranostic, School of Biomedical Engineering, Health Science Center, Shenzhen University, Guangdong, 518060, P. R. China
- School of Chemistry & Biological Engineering, University of Science & Technology Beijing, Beijing, 100083, P. R. China
| | - Xueji Zhang
- Marshall Laboratory of Biomedical Engineering Research Center for Biosensor and Nanotheranostic, School of Biomedical Engineering, Health Science Center, Shenzhen University, Guangdong, 518060, P. R. China
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7
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DNA–Gold Nanoparticle Conjugates for Intracellular miRNA Detection Using Surface-Enhanced Raman Spectroscopy. BIOCHIP JOURNAL 2022. [DOI: 10.1007/s13206-021-00042-z] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 11/02/2022]
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8
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Abstract
MicroRNAs (miRNAs) are considerably small yet highly important riboregulators involved in nearly all cellular processes. Due to their critical roles in posttranscriptional regulation of gene expression, they have the potential to be used as biomarkers in addition to their use as drug targets. Although computational approaches speed up the initial genomewide identification of putative miRNAs, experimental approaches are essential for further validation and functional analyses of differentially expressed miRNAs. Therefore, sensitive, specific, and cost-effective microRNA detection methods are imperative for both individual and multiplex analysis of miRNA expression in different tissues and during different developmental stages. There are a number of well-established miRNA detection methods that can be exploited depending on the comprehensiveness of the study (individual miRNA versus multiplex analysis), the availability of the sample and the location and intracellular concentration of miRNAs. This review aims to highlight not only traditional but also novel strategies that are widely used in experimental identification and quantification of microRNAs.
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9
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Kalogianni DP. Nanotechnology in emerging liquid biopsy applications. NANO CONVERGENCE 2021; 8:13. [PMID: 33934252 PMCID: PMC8088419 DOI: 10.1186/s40580-021-00263-w] [Citation(s) in RCA: 14] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 10/19/2020] [Accepted: 03/23/2021] [Indexed: 05/17/2023]
Abstract
Liquid biopsy is considered as the most attractive alternative to traditional tissue biopsies. The major advantages of this approach lie in the non-invasive procedure, the rapidness of sample collection and the potential for early cancer diagnosis and real-time monitoring of the disease and the treatment response. Nanotechnology has dynamically emerged in a wide range of applications in the field of liquid biopsy. The benefits of using nanomaterials for biosensing include high sensitivity and detectability, simplicity in many cases, rapid analysis, the low cost of the analysis and the potential for portability and personalized medicine. The present paper reports on the nanomaterial-based methods and biosensors that have been developed for liquid biopsy applications. Most of the nanomaterials used exhibit great analytical performance; moreover, extremely low limits of detection have been achieved for all studied targets. This review will provide scientists with a comprehensive overview of all the nanomaterials and techniques that have been developed for liquid biopsy applications. A comparison of the developed methods in terms of detectability, dynamic range, time-length of the analysis and multiplicity, is also provided.
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10
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MnO 2 nanosheet-mediated target-binding-induced FRET strategy for multiplexed microRNAs detection and imaging in living cells. Talanta 2021; 226:122202. [PMID: 33676722 DOI: 10.1016/j.talanta.2021.122202] [Citation(s) in RCA: 7] [Impact Index Per Article: 2.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/03/2020] [Revised: 01/27/2021] [Accepted: 02/03/2021] [Indexed: 01/22/2023]
Abstract
In the regulatory network, miRNAs play a regulatory role in a cooperative or antagonistic manner. Simultaneous accurate detection and imaging of multiplexed miRNAs in living cells are of great significance for miRNA-associated biological research and disease diagnosis and treatment. Herein, a MnO2 nanosheet-mediated target-binding-induced fluorescence resonance energy transfer (FRET) strategy was developed for detection and imaging of multiplexed miRNAs in living cells. Two pairs of DNA probes (P1-AF 488/P1'-Cy3 and P2-AF 488/P2'-AF 594) contained the complementary sequence to target miRNAs (miRNA-373 and miRNA-96) and labelled with different fluorescence dyes were designed. They were adsorbed onto MnO2 nanosheets by physisorption to form DNA/MnO2 nanocomposite probes. When the DNA/MnO2 nanocomposite probes were taken up by cells, the MnO2 nanosheets were reduced by intracellular glutathione, accompanying the release of DNA probe pairs. Then the DNA probe pairs specifically recognized and combined with miRNA-373 and miRNA-96 to form stable duplexes, respectively, bringing labelled fluorophores into close proximity to occur FRET. Based on this, the simultaneous imaging of miRNA-373 and miRNA-96 in MDA-MB-231 and L02 cells was successfully implemented. The results displayed a higher expression level of target miRNAs in MDA-MB-231 cells compared to L02 cells. The changes in expression levels of miRNA-96 induced by anti-miRNA-96 or mimics in MDA-MB-231 cells could also be monitored. In addition, the ratiometric detections of multiplexed miRNAs were achieved by utilizing the DNA probe pairs. The proposed strategy provides an alternative method for simultaneous accurate detection and imaging of multiplexed miRNAs and has potential application in biomedical applications.
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11
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Kasiviswanathan U, Kumar C, Poddar S, Jit S, Sharma N, Mahto SK. Functional Behavior of the Primary Cortical Neuronal Cells on the Large Surface of TiO₂ and SnO₂ Based Biosensing Device. IEEE Trans Nanobioscience 2021; 20:138-145. [PMID: 33566763 DOI: 10.1109/tnb.2021.3058332] [Citation(s) in RCA: 3] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [MESH Headings] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/10/2022]
Abstract
In this study, we report the fabrication of poly-L-lysine (PLL) coated large surface TiO2 and SnO2 based biosensing devices to analyze the influence of the functional behaviour of primary cortical neuronal cells. Through frequency-dependent impedance study, we observed an increase in the impedance values initially most likely due to cell adhesion, proliferation and differentiation processes leading to an increase in both the single-cell mass as well as overall cellular mass; however, it got decreased eventually with the progression of various other cellular functions including neural activity, synapse formation and neuron-neuron communication. Typically, formation and regulation of the neuronal junction i.e., synapses noticeably affected the functional behaviour of the fabricated biosensing device by increasing the neuronal communication and thereby improving the flow of current by altering the thin film resistance and capacitance. Further, the neuro-electrical phenomenon is validated by fitting the experimental impedance data to an equivalent electrical circuit model. A significant shift in the Nyquist plot was also observed visually, which indicates that this alternation is primarily due to change in characteristic behaviour of the fabricated biosensing device. Hence, we anticipate that the fabricated PLL coated large surface TiO2 and SnO2 based biosensing device can serve as a promising tool to monitor the influence of the functional behaviour of neuronal cells.
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12
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Wen Y, He MQ, Yu YL, Wang JH. Biomolecule-mediated chiral nanostructures: a review of chiral mechanism and application. Adv Colloid Interface Sci 2021; 289:102376. [PMID: 33561566 DOI: 10.1016/j.cis.2021.102376] [Citation(s) in RCA: 18] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/22/2020] [Revised: 01/18/2021] [Accepted: 01/27/2021] [Indexed: 12/30/2022]
Abstract
The chirality of biomolecules is vital importance in biosensing and biomedicine. However, most biomolecules only have a chiral response in the ultraviolet region, and the corresponding chiral signal is weak. In recent years, inorganic nanomaterials can adjust chiral light signals to the visible and near-infrared regions and enhance optical signals due to their high polarizability and adjustable morphology-dependent optical properties. Nonetheless, inorganic nanomaterials usually lack specificity to identify targets, and have strong toxicity when applied in organisms. The combination of chiral biomolecules and inorganic nanomaterials offers a way to solve these problems. Because chiral biomolecules, such as DNA, amino acids, and peptides, have programmability, specific recognition, excellent biocompatibility, and strong binding force to inorganic nanomaterials. Biomolecule-mediated chiral nanostructures show specific recognition of targets, extremely low biological toxicity and adjustable optical activity by regulating, assembling and inducing inorganic nanomaterials. Therefore, biomolecule-mediated chiral nanostructures have received widespread attention, including chiral biosensing, enantiomers recognition and separation, biological diagnosis and treatment, chiral catalysis, and circular polarization of chiral metamaterials. This review mainly introduces the three chiral mechanisms of biomolecule-mediated chiral nanostructures, lists some important applications at present, and discusses the development prospects of biomolecule-mediated chiral nanostructures.
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13
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Xiong X, Dang W, Luo R, Long Y, Tong C, Yuan L, Liu B. A graphene-based fluorescent nanoprobe for simultaneous imaging of dual miRNAs in living cells. Talanta 2020; 225:121947. [PMID: 33592702 DOI: 10.1016/j.talanta.2020.121947] [Citation(s) in RCA: 6] [Impact Index Per Article: 1.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/07/2020] [Revised: 11/19/2020] [Accepted: 11/30/2020] [Indexed: 02/06/2023]
Abstract
MicroRNAs (miRNAs) are regarded as important biomarkers for disease diagnostics and therapeutics due to their significant regulatory roles in physiologic and pathologic processes. Herein, a versatile nanoprobe based on reduced graphene oxide (rGO) and nucleic acid (DNA) probe was prepared for simultaneously visualize miR-451a and miR-214-3p in living cells. In vitro experiments demonstrated that the nanoprobe exhibits excellent selectivity and outstanding sensitivity as low as 1 nM towards miR-451a and miR-214-3p. Moreover, the detection signals of miRNAs have good linearity in their respective concentration ranges (miR-451a: 1-100 nM, Y1 = 9.3062X1+114.85 (R2 = 0.9965). miR-214-3p: 1-200 nM, Y2 = 1.4424X2+91.312 (R2 = 0.9961)). Finally, simultaneous dual-color imaging of miR-451a and miR-214-3p in human breast cancer cells (MDA-MB-231) was realized by exploiting the P1&P2@rGO nanoprobe. In summary, this simple and effective strategy provides a general sensing platform for highly sensitive detection and simultaneous imaging of dual miRNAs in living cells.
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Affiliation(s)
- Xiang Xiong
- Department of General Surgery, Department of Burn and Plastic Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China
| | - Wenya Dang
- College of Biology, Hunan University, Changsha, 410082, China
| | - Ruxin Luo
- College of Biology, Hunan University, Changsha, 410082, China
| | - Ying Long
- College of Biology, Hunan University, Changsha, 410082, China
| | - Chunyi Tong
- College of Biology, Hunan University, Changsha, 410082, China
| | - Liqin Yuan
- Department of General Surgery, Department of Burn and Plastic Surgery, The Second Xiangya Hospital, Central South University, Changsha, Hunan, 410011, China.
| | - Bin Liu
- College of Biology, Hunan University, Changsha, 410082, China.
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14
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Fan Y, Liu Y, Zhou Q, Du H, Zhao X, Ye F, Zhao H. Catalytic hairpin assembly indirectly covalent on Fe 3O 4@C nanoparticles with signal amplification for intracellular detection of miRNA. Talanta 2020; 223:121675. [PMID: 33303136 DOI: 10.1016/j.talanta.2020.121675] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.5] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/29/2020] [Revised: 09/08/2020] [Accepted: 09/14/2020] [Indexed: 12/22/2022]
Abstract
Fluorescence resonance energy transfer, a promising method for in situ imaging of miRNA in living cells, has intrinsic limitation on sensitivity and selectivity. Herein, a fluorescent amplification strategy based on catalyzed hairpin assembly indirectly covalent on Fe3O4@C nanoparticles via short single-stranded DNA was investigated for cellular miRNA detection in living cells, integrating non-enzyme target-active releasing for amplifying the signal output, highly quenching efficiency of Fe3O4@C nanoparticles with low background, ssDNA assisted fluorescent group-fueled chain releasing from Fe3O4@C nanoparticles with enhanced fluorescence response. The designed platform exhibits highly sensitive in a wide linear concentration range of 0.450 pM-190 pM and is highly specific for miRNA-20a detection with the ability of discriminating one mistake base. Additionally, the CHA-Fe3O4@C was successfully applied in imaging visualization of miRNA-20a in the living cell. The strategy provides a promising bioassay approach for clinical research.
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Affiliation(s)
- Yaofang Fan
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education, China), School of Environmental Science and Technology, Dalian University of Technology, Dalian, 116024, China
| | - Yanming Liu
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education, China), School of Environmental Science and Technology, Dalian University of Technology, Dalian, 116024, China
| | - Qihui Zhou
- Institute for Translational Medicine, Department of Stomatology, The Affiliated Hospital of Qingdao University, Qingdao, 266003, China
| | - Hao Du
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education, China), School of Environmental Science and Technology, Dalian University of Technology, Dalian, 116024, China
| | - Xueyang Zhao
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education, China), School of Environmental Science and Technology, Dalian University of Technology, Dalian, 116024, China
| | - Fei Ye
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education, China), School of Environmental Science and Technology, Dalian University of Technology, Dalian, 116024, China
| | - Huimin Zhao
- Key Laboratory of Industrial Ecology and Environmental Engineering (Ministry of Education, China), School of Environmental Science and Technology, Dalian University of Technology, Dalian, 116024, China.
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15
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Liu R, Zhang S, Zheng TT, Chen YR, Wu JT, Wu ZS. Intracellular Nonenzymatic In Situ Growth of Three-Dimensional DNA Nanostructures for Imaging Specific Biomolecules in Living Cells. ACS NANO 2020; 14:9572-9584. [PMID: 32806042 DOI: 10.1021/acsnano.9b09995] [Citation(s) in RCA: 62] [Impact Index Per Article: 15.5] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/11/2023]
Abstract
Real-time in situ monitoring of low-abundance cancer biomarkers (e.g., miRNAs and proteins) in living cells by nonenzymatic assembly entirely from original DNA probes remains unexplored due to an extremely complex intracellular environment. Herein, a nonenzymatic palindrome-catalyzed DNA assembly (NEPA) technique is developed to execute the in situ imaging of intracellular miRNAs by assembling a three-dimensional nanoscale DNA spherical structure (NS) with low mobility from three free hairpin-type DNAs rather than from DNA intermediates based on the interaction of designed terminal palindromes. Target miRNA was detected down to 1.4 pM, and its family members were distinguished with almost 100% accuracy. The subcellular localization of NS products can be visualized in real time. The NEPA-based sensing strategy is also suitable for the intracellular in situ fluorescence imaging of cancer-related protein receptors, offering valuable insight into developing sensing protocols for understanding the biological function of vital biomolecules in disease pathogenesis and future therapeutic applications.
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Affiliation(s)
- Ran Liu
- Cancer Metastasis Alert and Prevention Center, Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, National and Local Joint Biomedical Engineering Research Center on Photodynamic Technologies, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350002, China
| | - Songbai Zhang
- Cancer Metastasis Alert and Prevention Center, Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, National and Local Joint Biomedical Engineering Research Center on Photodynamic Technologies, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350002, China
- College of Chemistry and Materials Engineering, Hunan University of Arts and Science, Changde 415000, China
| | - Ting-Ting Zheng
- Cancer Metastasis Alert and Prevention Center, Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, National and Local Joint Biomedical Engineering Research Center on Photodynamic Technologies, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350002, China
| | - Yan-Ru Chen
- Cancer Metastasis Alert and Prevention Center, Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, National and Local Joint Biomedical Engineering Research Center on Photodynamic Technologies, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350002, China
| | - Jing-Ting Wu
- Cancer Metastasis Alert and Prevention Center, Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, National and Local Joint Biomedical Engineering Research Center on Photodynamic Technologies, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350002, China
| | - Zai-Sheng Wu
- Cancer Metastasis Alert and Prevention Center, Fujian Provincial Key Laboratory of Cancer Metastasis Chemoprevention and Chemotherapy, National and Local Joint Biomedical Engineering Research Center on Photodynamic Technologies, State Key Laboratory of Photocatalysis on Energy and Environment, College of Chemistry, Fuzhou University, Fuzhou 350002, China
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16
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Li H, Li Q, Li Y, Sang X, Yuan H, Zheng B. Stannic Oxide Nanoparticle Regulates Proliferation, Invasion, Apoptosis, and Oxidative Stress of Oral Cancer Cells. Front Bioeng Biotechnol 2020; 8:768. [PMID: 32766221 PMCID: PMC7379168 DOI: 10.3389/fbioe.2020.00768] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/22/2020] [Accepted: 06/18/2020] [Indexed: 12/30/2022] Open
Abstract
Objective To explore the effects of SnO2 nanoparticles (NPs) on proliferation, invasion, apoptosis, and oxidative stress of oral cancer. Methods SnO2 NPs were prepared and characterized. Oral cancer cell lines CAL-27 and SCC-9 were cultured in vitro. We detected the effects of various concentrations of SnO2 NPs (0, 5, 25, 50, 100, 200 μg/mL) on the proliferation of oral cancer cells, and observed the morphological changes, and measured the cells ability of migration, invasion and apoptosis condition, and the levels of oxidative stress were measured by detecting malondialdehyde (MDA) and reactive oxygen species (ROS). Besides, we also measured the changes of mRNA and protein levels of factors related to cell proliferation, migration, invasion, apoptosis, and oxidative stress. Results SnO2 NPs inhibited the proliferation of oral cancer cells in a concentration-dependent manner (all P < 0.05). And SnO2 NPs treatment could reduce the migration and invasion ability of cells (all P < 0.05), induce apoptosis, and those effects were better when treated for 48 h than 24 h (all P < 0.05). And SnO2 NPs could induce oxidative stress in cells (all P < 0.05). Besides, the concentrations of cyclin-D1, C-myc, matrix MMP-9, and MMP-2 in SnO2 NPs treated group was decreased (all P < 0.05), and the expression levels of cleaved Caspase-3, cleaved Caspase-9, and Cytochrome C were increased (all P < 0.05). Conclusion In the present study, we found that SnO2 NPs could play a cytotoxic role in oral cancer cells, and inhibit cell proliferation, migration, and invasion, and induce oxidative stress and apoptosis, which suggests that SnO2 NPs may have the effects of anti-oral cancer. However, a more in-depth study is needed to determine its roles.
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Affiliation(s)
- Hui Li
- Department of Stomatology, China-Japan Union Hospital, Jilin University, Changchun, China
| | - Qiushi Li
- VIP Integrated Department, School and Hospital of Stomatology, Jilin University, Changchun, China
| | - Yingcai Li
- Department of Stomatology, China-Japan Union Hospital, Jilin University, Changchun, China
| | - Xue Sang
- Department of Stomatology, China-Japan Union Hospital, Jilin University, Changchun, China
| | - Haotian Yuan
- Department of Stomatology, China-Japan Union Hospital, Jilin University, Changchun, China
| | - Baihong Zheng
- Department of Pediatrics, The Second Hospital of Jilin University, Changchun, China
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17
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Mahjouri S, Kosari-Nasab M, Mohajel Kazemi E, Divband B, Movafeghi A. Effect of Ag-doping on cytotoxicity of SnO 2 nanoparticles in tobacco cell cultures. JOURNAL OF HAZARDOUS MATERIALS 2020; 381:121012. [PMID: 31437804 DOI: 10.1016/j.jhazmat.2019.121012] [Citation(s) in RCA: 4] [Impact Index Per Article: 1.0] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 04/18/2019] [Revised: 08/11/2019] [Accepted: 08/12/2019] [Indexed: 06/10/2023]
Abstract
SnO2 nanoparticles (NPs) are promising materials for electrochemical, catalytic, and biomedical applications due to their high photosensitivity, suitable stability characteristics, wide band gap energy potential, and low cost. Doping SnO2 NPs with metallic elements such as Ag has been used to improve their efficiency. Despite their commercial importance, the current literature lacks investigations to determine their toxic effects on plant systems. In this study, SnO2 and Ag/SnO2 NPs were synthesized using polymer pyrolysis method and characterized by means of XRD, TEM, SEM, EDX, and DLS techniques. Subsequently, the toxicity of the synthesized NPs on cell viability, cell proliferation, and a number of oxidative stress markers were measured in tobacco cell cultures. SnO2 and Ag/SnO2 NPs were found to be polygonal in shape with the size range of 10-30 nm. Both NPs induced cytotoxicity by reducing the cell viability and cell proliferation in a dose-dependent manner. Furthermore, the generation of H2O2, phenolics, flavonoids, and increased activities of superoxide dismutase (SOD) and peroxidase (POD) were observed. According to the results, Ag-doping played a key role in the induction of toxicity in tobacco cell cultures. The obtained results confirmed that SnO2 and Ag/SnO2 NPs induced cytotoxicity in tobacco cells through oxidative stress.
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Affiliation(s)
- Sepideh Mahjouri
- Department of Plant Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran.
| | - Morteza Kosari-Nasab
- Department of Plant Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran; Drug Applied Research Center, Tabriz University of Medical Sciences, Tabriz, Iran
| | - Elham Mohajel Kazemi
- Department of Plant Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran
| | - Baharak Divband
- Dental and Periodontal Research Center, Tabriz University of Medical Sciences, Tabriz, Iran; Department of Inorganic Chemistry, Faculty of Chemistry, University of Tabriz, Tabriz, Iran
| | - Ali Movafeghi
- Department of Plant Biology, Faculty of Natural Sciences, University of Tabriz, Tabriz, Iran.
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18
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Yang L, Zhang K, Bi S, Zhu JJ. Dual-Acceptor-Based Upconversion Luminescence Nanosensor with Enhanced Quenching Efficiency for in Situ Imaging and Quantification of MicroRNA in Living Cells. ACS APPLIED MATERIALS & INTERFACES 2019; 11:38459-38466. [PMID: 31593426 DOI: 10.1021/acsami.9b12254] [Citation(s) in RCA: 19] [Impact Index Per Article: 3.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/10/2023]
Abstract
Upconversion nanoparticles (UCNPs) have become competitive materials for bioanalysis, bioimaging, and early diagnosis of diseases, especially cancers. However, traditional upconversion luminescence (UCL) nanosensors are often challenged with complicated covalent modification and relatively poor stability. As efficient energy acceptors in the luminescence resonance energy-transfer (LRET) process, organic dyes exhibit unique advantages such as easy modification and stable property. Herein, a simple and universal bioplatform is constructed for in situ imaging and quantitation of intracellular microRNA-21 (miR-21) using dual-acceptor-based upconversion nanoprobes with enhanced quenching efficiency. In this assay, UCNPs with core-shell structures are synthesized, in which the emitting ions are confined in the shell to take the energy donors and acceptors in close proximity. The complementary DNA (cDNA) that can specifically recognize target miR-21 is labeled with organic dyes TAMRA and black hole quencher as dual acceptors and easily assembled on UCNPs via electrostatic adsorption. Compared with only one acceptor for LRET, two dyes quench more luminescence of UCNPs (>60%), which thus reduce the background and improve the sensitivity. With the enhanced quenching efficiency and simple assembly process, the proposed system is readily applied to in situ imaging of miR-21 in different cancer cells, which further achieves quantification of miR-21 in MCF-7 cells. Therefore, our proposed dual-acceptor-based upconversion nanoplatform opens up new opportunities for sensitive analysis of miRNA and provides potential applications in biomedical and clinical research.
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Affiliation(s)
- Lin Yang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , China
| | - Keying Zhang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , China
- Anhui Key Laboratory of Spin Electron and Nanomaterials, School of Chemistry and Chemical Engineering , Suzhou University , Suzhou 234000 , Anhui , China
| | - Sai Bi
- Center for Marine Observation and Communications, Research Center for Intelligent and Wearable Technology, College of Chemistry and Chemical Engineering , Qingdao University , Qingdao 266071 , China
| | - Jun-Jie Zhu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , China
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19
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Wu H, Chen TT, Wang XN, Ke Y, Jiang JH. RNA imaging in living mice enabled by an in vivo hybridization chain reaction circuit with a tripartite DNA probe. Chem Sci 2019; 11:62-69. [PMID: 32110357 PMCID: PMC7012062 DOI: 10.1039/c9sc03469b] [Citation(s) in RCA: 63] [Impact Index Per Article: 12.6] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/14/2019] [Accepted: 10/15/2019] [Indexed: 12/13/2022] Open
Abstract
RNA imaging in living animals helps decipher biology and creates new theranostics for disease treatment. Due to their low delivery efficiency and high background, however, fluorescence probes for in situ RNA imaging in living mice have not been reported. We develop a new cell-targeting fluorescent probe that enables RNA imaging in living mice via an in vivo hybridization chain reaction (HCR). The minimalistic Y-shaped design of the tripartite DNA probe improves its performance in live animal studies and serves as a modular scaffold for three DNA motifs for cell-targeting and the HCR circuit. The tripartite DNA probe allows facile synthesis with a high yield and demonstrates ultrasensitive RNA detection in vitro. The probe also exhibits selective and efficient internalization into folate (FA) receptor-overexpressed cells via a caveolar-mediated endocytosis mechanism and produces fluorescence signals dynamically correlated with intracellular target expressions. Furthermore, the probe exhibits specific delivery into tumor cells and allows high-contrast imaging of miR-21 in living mice. The tripartite DNA design may open the door for intracellular RNA imaging in living animals using DNA-minimal structures and its design strategy can help future development of DNA-based multi-functional molecular probes.
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Affiliation(s)
- Han Wu
- State Key Laboratory of Chemo/Bio-Sensing and Chemometrics , College of Chemistry and Chemical Engineering , Hunan University , Changsha 410082 , P. R. China . .,Wallace H. Coulter Department of Biomedical Engineering , Emory University School of Medicine , Emory University , Atlanta , Georgia 30322 , USA .
| | - Ting-Ting Chen
- State Key Laboratory of Chemo/Bio-Sensing and Chemometrics , College of Chemistry and Chemical Engineering , Hunan University , Changsha 410082 , P. R. China .
| | - Xiang-Nan Wang
- State Key Laboratory of Chemo/Bio-Sensing and Chemometrics , College of Chemistry and Chemical Engineering , Hunan University , Changsha 410082 , P. R. China .
| | - Yonggang Ke
- Wallace H. Coulter Department of Biomedical Engineering , Emory University School of Medicine , Emory University , Atlanta , Georgia 30322 , USA .
| | - Jian-Hui Jiang
- State Key Laboratory of Chemo/Bio-Sensing and Chemometrics , College of Chemistry and Chemical Engineering , Hunan University , Changsha 410082 , P. R. China .
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20
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Goryacheva O, Vostrikova A, Kokorina A, Mordovina E, Tsyupka D, Bakal A, Markin A, Shandilya R, Mishra P, Beloglazova N, Goryacheva I. Luminescent carbon nanostructures for microRNA detection. Trends Analyt Chem 2019. [DOI: 10.1016/j.trac.2019.07.024] [Citation(s) in RCA: 10] [Impact Index Per Article: 2.0] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/06/2023]
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21
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Yao Y, Zhao D, Li N, Shen F, Machuki JO, Yang D, Li J, Tang D, Yu Y, Tian J, Dong H, Gao F. Multifunctional Fe 3O 4@Polydopamine@DNA-Fueled Molecular Machine for Magnetically Targeted Intracellular Zn 2+ Imaging and Fluorescence/MRI Guided Photodynamic-Photothermal Therapy. Anal Chem 2019; 91:7850-7857. [PMID: 31117411 DOI: 10.1021/acs.analchem.9b01591] [Citation(s) in RCA: 44] [Impact Index Per Article: 8.8] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
For the precise treatment of tumors, it is necessary to develop a theranostic nanoplatform that has both diagnostic and therapeutic functions. In this article, we designed a new theranostic probe for fluorescence imaging of Zn2+ and fluorescence/MRI guided magnetically targeted photodynamic-photothermal therapy. The fluorescence imaging of Zn2+ was based on an endogenous ATP-driven DNA nanomachine that could perform repetitive stand displacement reaction. It modifies all units on a single PDA/Fe3O4 nanoparticle containing a hairpin-locked initiated strand activated by a target molecule in cells, a two-stranded fuel DNA triggered by ATP, and a two-stranded DNA track responding to an initiated strand and fuel DNA. After entering the cell, the intracellular target Zn2+ initiates the nanomachine via an autocatalytic cleavage reaction, and the machine programmatically and gradually runs on the assembled DNA track via fuel DNA driving and the intramolecular toehold-mediated stand displacement reaction. The Fe3O4 core first exhibits magnetic targeting, increasing the ability of nanoparticles to enter tumor cells at the tumor site. The Fe3O4 could also be employed as a powerful magnetic resonance imaging (MRI) contrast agent and guided therapy. Using 808 nm laser and 635 nm laser irradiation together at the tumor site, the PDA nanoshell produced an excellent photothermal effect and the TMPyP4 molecules entering the cell generated reactive oxygen species, followed by cell damage. A series of reliable experiments suggested that the Fe3O4@PDA@DNA nanoprobe showed superior fluorescence specificity, MRI, a remarkable photothermal/photodynamic therapy effect, and favorable biocompatibility. This theranostic nanoplatform offered a split-new insight into tumor fluorescence and MRI diagnosis as well as effective tumor therapy.
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Affiliation(s)
- Yao Yao
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy , Xuzhou Medical University , 221004 , Xuzhou , China
| | - Dan Zhao
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy , Xuzhou Medical University , 221004 , Xuzhou , China
| | - Na Li
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy , Xuzhou Medical University , 221004 , Xuzhou , China
| | - Fuzhi Shen
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy , Xuzhou Medical University , 221004 , Xuzhou , China
| | - Jeremiah Ong'achwa Machuki
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy , Xuzhou Medical University , 221004 , Xuzhou , China
| | - Dongzhi Yang
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy , Xuzhou Medical University , 221004 , Xuzhou , China
| | - Jingjing Li
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy , Xuzhou Medical University , 221004 , Xuzhou , China
| | - Daoquan Tang
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy , Xuzhou Medical University , 221004 , Xuzhou , China
| | - Yanyan Yu
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy , Xuzhou Medical University , 221004 , Xuzhou , China
| | - Jiangwei Tian
- School of Traditional Chinese Pharmacy , China Pharmaceutical University , 211198 , Nanjing , China
| | - Haifeng Dong
- Research Center for Bioengineering and Sensing Technology , University of Science & Technology Beijing , 30 Xueyuan Road , Beijing 100083 , China
| | - Fenglei Gao
- Jiangsu Key Laboratory of New Drug Research and Clinical Pharmacy , Xuzhou Medical University , 221004 , Xuzhou , China
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22
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Qing Z, Xu J, Hu J, Zheng J, He L, Zou Z, Yang S, Tan W, Yang R. In Situ Amplification‐Based Imaging of RNA in Living Cells. Angew Chem Int Ed Engl 2019. [DOI: 10.1002/ange.201812449] [Citation(s) in RCA: 36] [Impact Index Per Article: 7.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/29/2022]
Affiliation(s)
- Zhihe Qing
- School of Chemistry and Food Engineering Changsha University of Science and Technology Changsha 410114 China
| | - Jingyuan Xu
- School of Chemistry and Food Engineering Changsha University of Science and Technology Changsha 410114 China
| | - Jinlei Hu
- School of Chemistry and Food Engineering Changsha University of Science and Technology Changsha 410114 China
| | - Jing Zheng
- State Key Laboratory for Chemo/Bio-Sensing and Chemometrics College of Chemistry and Chemical Engineering, and Collaborative Research Center of Molecular Engineering for Theranostics Hunan University Changsha 410082 China
| | - Lei He
- State Key Laboratory for Chemo/Bio-Sensing and Chemometrics College of Chemistry and Chemical Engineering, and Collaborative Research Center of Molecular Engineering for Theranostics Hunan University Changsha 410082 China
| | - Zhen Zou
- School of Chemistry and Food Engineering Changsha University of Science and Technology Changsha 410114 China
| | - Sheng Yang
- School of Chemistry and Food Engineering Changsha University of Science and Technology Changsha 410114 China
| | - Weihong Tan
- State Key Laboratory for Chemo/Bio-Sensing and Chemometrics College of Chemistry and Chemical Engineering, and Collaborative Research Center of Molecular Engineering for Theranostics Hunan University Changsha 410082 China
| | - Ronghua Yang
- School of Chemistry and Food Engineering Changsha University of Science and Technology Changsha 410114 China
- State Key Laboratory for Chemo/Bio-Sensing and Chemometrics College of Chemistry and Chemical Engineering, and Collaborative Research Center of Molecular Engineering for Theranostics Hunan University Changsha 410082 China
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23
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In Situ Amplification‐Based Imaging of RNA in Living Cells. Angew Chem Int Ed Engl 2019; 58:11574-11585. [DOI: 10.1002/anie.201812449] [Citation(s) in RCA: 126] [Impact Index Per Article: 25.2] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 10/30/2018] [Revised: 01/24/2019] [Indexed: 12/11/2022]
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24
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Ren X, Xue Q, Wen L, Li X, Wang H. Fluorescence-enhanced p19 proteins-conjugated single quantum dot with multiplex antenna for one-step, specific and sensitive miRNAs detection. Anal Chim Acta 2019; 1053:114-121. [DOI: 10.1016/j.aca.2018.11.060] [Citation(s) in RCA: 9] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 08/17/2018] [Revised: 11/26/2018] [Accepted: 11/30/2018] [Indexed: 12/29/2022]
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25
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Huo M, Li S, Zhang P, Feng Y, Liu Y, Wu N, Ju H, Ding L. Nanoamplicon Comparator for Live-Cell MicroRNA Imaging. Anal Chem 2019; 91:3374-3381. [PMID: 30734561 DOI: 10.1021/acs.analchem.8b04661] [Citation(s) in RCA: 33] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Abstract] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/03/2023]
Abstract
As an investigative tool, live-cell imaging requires superior probe design to guarantee imaging quality and data validity. The ability to simultaneously address the robustness, sensitivity, and consistency issues in a single-assay system is highly desired, but it remains a largely unsolved challenge. We describe herein a probe-design strategy called a nanoamplicon comparator (NAC) and demonstrate its proof-of-concept utility in intracellular microRNA (miRNA) imaging. This novel designer architecture builds upon spherical nucleic acids (SNAs) for robustness, catalytic hairpin assembly (CHA) for sensitivity, and upconversion nanoparticles (UNPs) for consistency. A catalytic circuit comprising a UNP-hairpin-DNA (UNP-HDNA) conjugate and a hairpin-DNA-organic-fluorophore (HDNA-F) conjugate as probe responds to target miRNA and generates the UNP-HDNA-HDNA-F complex as an NAC for quantitative UNP-to-organic-fluorophore-luminescence-resonance-energy-transfer (LRET) imaging against a native UNP-emission reference channel. An imaging application with miR21 shows the ability to monitor miRNA-expression levels across different cell lines and under an external stimulus.
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Affiliation(s)
- Min Huo
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , PR China
| | - Siqiao Li
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , PR China
| | - Peiwen Zhang
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , PR China
| | - Yimei Feng
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , PR China
| | - Yiran Liu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , PR China
| | - Na Wu
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , PR China
| | - Huangxian Ju
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , PR China
| | - Lin Ding
- State Key Laboratory of Analytical Chemistry for Life Science, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , PR China
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26
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Li MX, Zhao W, Wang H, Li XL, Xu CH, Chen HY, Xu JJ. Dynamic Single Molecular Rulers: Toward Quantitative Detection of MicroRNA-21 in Living Cells. Anal Chem 2018; 90:14255-14259. [PMID: 30474960 DOI: 10.1021/acs.analchem.8b03322] [Citation(s) in RCA: 17] [Impact Index Per Article: 2.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 11/30/2022]
Abstract
Innovative techniques to measure microRNA (miRNA) in vivo could greatly improve the fundamental understanding of complex cellular processes. Herein, we report a novel method for real-time, quantitative miRNA detection inside living cells based on core-satellite plasmon rulers (PRs). This approach allows for the statistical analysis of single hybridization event caused by target miRNA. We investigated hundreds of satellite leaving events and found that the distribution of the time range for one strand displacement event is miRNA concentration-dependent, which obeyed Poisson statistics. Probing several such PRs under dark-field microscopy would provide precise determination of miRNA in vitro and in living cells, without photobleaching or blinking of the fluorophores. We believe the simple and practical approach on the basis of dynamic PRs with single-molecule sensitivity combined with statistical analysis hold promising potential to visualize native nucleic acids with short sequence and low-abundance.
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Affiliation(s)
- Mei-Xing Li
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Sciences, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , China
| | - Wei Zhao
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Sciences, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , China
| | - Hui Wang
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Sciences, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , China
| | - Xiang-Ling Li
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Sciences, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , China
| | - Cong-Hui Xu
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Sciences, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , China
| | - Hong-Yuan Chen
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Sciences, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , China
| | - Jing-Juan Xu
- State Key Laboratory of Analytical Chemistry for Life Science and Collaborative Innovation Center of Chemistry for Life Sciences, School of Chemistry and Chemical Engineering , Nanjing University , Nanjing 210023 , China
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27
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Meng X, Zhang K, Dai W, Cao Y, Yang F, Dong H, Zhang X. Multiplex microRNA imaging in living cells using DNA-capped-Au assembled hydrogels. Chem Sci 2018; 9:7419-7425. [PMID: 30542546 PMCID: PMC6237120 DOI: 10.1039/c8sc02858c] [Citation(s) in RCA: 65] [Impact Index Per Article: 10.8] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 06/28/2018] [Accepted: 08/06/2018] [Indexed: 12/14/2022] Open
Abstract
Non-invasively imaging multiplex microRNAs (miRNAs) in living cells is pivotal to understanding their physiological functions and pathological development due to the key regulatory roles of miRNAs in gene expression. However, developing smart delivery systems with large gene loading capacity, biocompatibility and responsiveness remains a significant challenge. Herein, we successfully incorporated DNA-capped Au nanoparticles (NPs) and their complementary fluorescent DNA sequences into a porous 3D hydrogel network (AuDH), in which hairpin-locked DNAzyme strands and active metal ions were loaded (AuDH/M n+/H) for simultaneously imaging multiplex miRNAs in living cells. After transfection into cells, the specific miRNAs trigger the strand-displacement reaction and sequentially activate the DNAzyme-assisted target recycling, leading to a strong increase in the corresponding fluorescence intensity for imaging. This enables simultaneous assessment of the abundance of multiplex cancer-related miRNAs, even if at a very low expression level, in different cells through the different fluorescence intensities due to the dual signal amplification, and the change in abundance of miRNAs induced by siRNA or miRNA mimics in living cells can also be efficiently monitored. The versatile and responsive DNA hydrogel system holds great potential for miRNA biomedical applications.
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Affiliation(s)
- Xiangdan Meng
- Beijing Key Laboratory for Bioengineering and Sensing Technology , Research Center for Bioengineering and Sensing Technology , School of Chemistry and Biological Engineering , University of Science & Technology Beijing , Beijing 100083 , P. R. China . ;
- Beijing Advanced Innovation Center for Materials Genome Engineering , University of Science and Technology Beijing , Beijing 100083 , P. R. China
| | - Kai Zhang
- Beijing Key Laboratory for Bioengineering and Sensing Technology , Research Center for Bioengineering and Sensing Technology , School of Chemistry and Biological Engineering , University of Science & Technology Beijing , Beijing 100083 , P. R. China . ;
- Beijing Advanced Innovation Center for Materials Genome Engineering , University of Science and Technology Beijing , Beijing 100083 , P. R. China
| | - Wenhao Dai
- Beijing Key Laboratory for Bioengineering and Sensing Technology , Research Center for Bioengineering and Sensing Technology , School of Chemistry and Biological Engineering , University of Science & Technology Beijing , Beijing 100083 , P. R. China . ;
- Beijing Advanced Innovation Center for Materials Genome Engineering , University of Science and Technology Beijing , Beijing 100083 , P. R. China
| | - Yu Cao
- Beijing Key Laboratory for Bioengineering and Sensing Technology , Research Center for Bioengineering and Sensing Technology , School of Chemistry and Biological Engineering , University of Science & Technology Beijing , Beijing 100083 , P. R. China . ;
- Beijing Advanced Innovation Center for Materials Genome Engineering , University of Science and Technology Beijing , Beijing 100083 , P. R. China
| | - Fan Yang
- Beijing Key Laboratory for Bioengineering and Sensing Technology , Research Center for Bioengineering and Sensing Technology , School of Chemistry and Biological Engineering , University of Science & Technology Beijing , Beijing 100083 , P. R. China . ;
- Beijing Advanced Innovation Center for Materials Genome Engineering , University of Science and Technology Beijing , Beijing 100083 , P. R. China
| | - Haifeng Dong
- Beijing Key Laboratory for Bioengineering and Sensing Technology , Research Center for Bioengineering and Sensing Technology , School of Chemistry and Biological Engineering , University of Science & Technology Beijing , Beijing 100083 , P. R. China . ;
- Beijing Advanced Innovation Center for Materials Genome Engineering , University of Science and Technology Beijing , Beijing 100083 , P. R. China
| | - Xueji Zhang
- Beijing Key Laboratory for Bioengineering and Sensing Technology , Research Center for Bioengineering and Sensing Technology , School of Chemistry and Biological Engineering , University of Science & Technology Beijing , Beijing 100083 , P. R. China . ;
- Beijing Advanced Innovation Center for Materials Genome Engineering , University of Science and Technology Beijing , Beijing 100083 , P. R. China
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Hu Q, Wang S, Wang L, Gu H, Fan C. DNA Nanostructure-Based Systems for Intelligent Delivery of Therapeutic Oligonucleotides. Adv Healthc Mater 2018; 7:e1701153. [PMID: 29356400 DOI: 10.1002/adhm.201701153] [Citation(s) in RCA: 52] [Impact Index Per Article: 8.7] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/29/2017] [Revised: 11/27/2017] [Indexed: 12/15/2022]
Abstract
In the beginning of the 21st century, therapeutic oligonucleotides have shown great potential for the treatment of many life-threatening diseases. However, effective delivery of therapeutic oligonucleotides to the targeted location in vivo remains a major issue. As an emerging field, DNA nanotechnology is applied in many aspects including bioimaging, biosensing, and drug delivery. With sequence programming and optimization, a series of DNA nanostructures can be precisely engineered with defined size, shape, surface chemistry, and function. Simply with hybridization, therapeutic oligonucleotides including unmethylated cytosine-phosphate-guanine dinucleotide oligos, small interfering RNA (siRNA) or antisense RNA, single guide RNA of the regularly interspaced short palindromic repeat-Cas9 system, and aptamers, are successfully loaded on DNA nanostructures for delivery. In this progress report, the development history of DNA nanotechnology is first introduced, and then the mechanisms and means for cellular uptake of DNA nanostructures are discussed. Next, current approaches to deliver therapeutic oligonucleotides with DNA nanovehicles are summarized. In the end, the challenges and opportunities for DNA nanostructure-based systems for the delivery of therapeutic oligonucleotides are discussed.
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Affiliation(s)
- Qinqin Hu
- Fudan University Shanghai Cancer Center, and Institutes of Biomedical Sciences; Shanghai Medical College of Fudan University; Fudan University; Shanghai 200032 China
| | - Sheng Wang
- Fudan University Shanghai Cancer Center, and Institutes of Biomedical Sciences; Shanghai Medical College of Fudan University; Fudan University; Shanghai 200032 China
| | - Lihua Wang
- Division of Physical Biology & Bioimaging Center; Shanghai Synchrotron Radiation Facility Shanghai Institute of Applied Physics; Chinese Academy of Sciences; Shanghai 201800 China
| | - Hongzhou Gu
- Fudan University Shanghai Cancer Center, and Institutes of Biomedical Sciences; Shanghai Medical College of Fudan University; Fudan University; Shanghai 200032 China
| | - Chunhai Fan
- Division of Physical Biology & Bioimaging Center; Shanghai Synchrotron Radiation Facility Shanghai Institute of Applied Physics; Chinese Academy of Sciences; Shanghai 201800 China
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29
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Li D, Wu Y, Gan C, Yuan R, Xiang Y. Bio-cleavable nanoprobes for target-triggered catalytic hairpin assembly amplification detection of microRNAs in live cancer cells. NANOSCALE 2018; 10:17623-17628. [PMID: 30204195 DOI: 10.1039/c8nr05229h] [Citation(s) in RCA: 44] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/06/2023]
Abstract
The monitoring and imaging of intracellular microRNAs (miRNAs) with specific sequences plays a vital role in cell biology as it can potentially elucidate many cellular processes and diseases related to miRNAs in living cells with accurate information. However, the detection of trace amounts of under-expressed intracellular miRNAs in living cells represents one of the current major challenges. In an effort to address this issue, we describe the establishment of an in cell catalytic hairpin assembly (CHA) signal amplification strategy for imaging under-expressed intracellular miRNAs in this work. Gold nanoparticles functionalized with FAM- and TAMRA-labeled hairpins with disulfide bonds in the stems are readily delivered into cells via endocytosis. Glutathione with evaluated concentrations in cancer cells cleaves the disulfide bonds in the hairpins by reduction to release the hairpins, and the target miRNAs further trigger CHA between the two hairpins to form many DNA duplexes, which bring the FAM and TAMRA labels into close proximity to generate apparently enhanced fluorescence resonance energy transfer (FRET) for the sensitive monitoring of low amounts of under-expressed miRNAs in live cancer cells. Using CHA to amplify the signal output and FRET to reduce the background noise, a significantly enhanced signal-to-noise ratio, thereby high sensitivity, over conventional fluorescence imaging can be realized, making our method particularly suitable for monitoring low levels of intracellular species.
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Affiliation(s)
- Daxiu Li
- Key Laboratory on Luminescence and Real-Time Analysis, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University, Chongqing 400715, P. R. China.
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Oxidative stress mediated cytotoxicity of tin (IV) oxide (SnO 2) nanoparticles in human breast cancer (MCF-7) cells. Colloids Surf B Biointerfaces 2018; 172:152-160. [PMID: 30172199 DOI: 10.1016/j.colsurfb.2018.08.040] [Citation(s) in RCA: 24] [Impact Index Per Article: 4.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/11/2018] [Revised: 08/12/2018] [Accepted: 08/18/2018] [Indexed: 01/15/2023]
Abstract
Due to unique optical and electronic properties tin oxide nanoparticles (SnO2 NPs) have shown potential for various applications including solar cell, catalyst, and biomedicine. However, there is limited information concerning the interaction of SnO2 NPs with human cells. In this study, we explored the potential mechanisms of cytotoxicity of SnO2 NPs in human breast cancer (MCF-7) cells. Results demonstrated that SnO2 NPs induce cell viability reduction, lactate dehydrogenase leakage, rounded cell morphology, cell cycle arrest and low mitochondrial membrane potential in dose- and time-dependent manner. SnO2 NPs were also found to provoke oxidative stress evident by generation of reactive oxygen species (ROS), hydrogen peroxide (H2O2) and lipid peroxidation, while depletion of glutathione (GSH) level and lower activity of several antioxidant enzymes. Remarkably, we observed that ROS generation, GSH depletion, and cytotoxicity induced by SnO2 NPs were effectively abrogated by antioxidant N-acetylcycteine. Our data have shown that SnO2 NPs induce toxicity in MCF-7 cells via oxidative stress. This study warrants further research to explore the genotoxicity of SnO2 NPs in different types of cancer cells.
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31
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Matlou GG, Oluwole DO, Prinsloo E, Nyokong T. Photodynamic therapy activity of zinc phthalocyanine linked to folic acid and magnetic nanoparticles. JOURNAL OF PHOTOCHEMISTRY AND PHOTOBIOLOGY B-BIOLOGY 2018; 186:216-224. [PMID: 30077918 DOI: 10.1016/j.jphotobiol.2018.07.025] [Citation(s) in RCA: 18] [Impact Index Per Article: 3.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Subscribe] [Scholar Register] [Received: 06/06/2018] [Revised: 07/13/2018] [Accepted: 07/25/2018] [Indexed: 01/25/2023]
Abstract
In this work, the photodynamic therapy (PDT) activities (using human carcinoma adherent MCF-7 cells) of zinc phthalocyanine derivatives: complexes 1 (Zn mono cinnamic acid phthalocyanine) and 2 (zinc mono carboxyphenoxy phthalocyanine) when covalently linked to folic acid (FA) and amine functionalized magnetic nanoparticles (AMNPs) are reported. The covalent linkage of asymmetric zinc cinnamic acid Pc (1) to FA (1-FA) through an amide bond is reported for the first time. Complex 1 is insoluble in water, but upon linkage to FA, (to form 1-FA) the molecule become water soluble, hence the UV-Vis spectrum and singlet oxygen quantum yield for 1-FA were also done in water since water solubility is essential for biological applications. The reported 2-FA is also water soluble. Linking complexes 1 and 2 to FA and AMNPs decreased the dark toxicity of 1 and 2 on MCF-7 cells. Pc-FA (1-FA and 2-FA) conjugates had better singlet oxygen quantum yields (Φ∆) in DMSO as compared to Pc-AMNPs (1-AMNPs and 2-AMNPs). The water- soluble 1-FA and 2-FA also achieved a better photodynamic therapy (PDT) activity as compared to 1-AMNPs and 2-AMNPs. Folic acid targeting on the tumor cells may have also facilitated better bioavailability of 1-FA and 2-FA and improved PDT activity on MCF-7 cells over AMNPs carriers.
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Affiliation(s)
- Gauta Gold Matlou
- Centre for Nanotechnology Innovation, Department of Chemistry, Rhodes University, Grahamstown 6140, South Africa
| | - David O Oluwole
- Centre for Nanotechnology Innovation, Department of Chemistry, Rhodes University, Grahamstown 6140, South Africa
| | - Earl Prinsloo
- Biotechnology Innovation Centre, Rhodes University, Grahamstown 6140, South Africa
| | - Tebello Nyokong
- Centre for Nanotechnology Innovation, Department of Chemistry, Rhodes University, Grahamstown 6140, South Africa.
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32
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Li D, Mo F, Wu J, Huang Y, Zhou H, Ding S, Chen W. A multifunctional DNA nano-scorpion for highly efficient targeted delivery of mRNA therapeutics. Sci Rep 2018; 8:10196. [PMID: 29976947 PMCID: PMC6033943 DOI: 10.1038/s41598-018-28542-3] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 04/17/2018] [Accepted: 06/22/2018] [Indexed: 12/15/2022] Open
Abstract
The highly efficient cancer cell targeted delivery plays an important role in precise targeted therapies. Herein, a multifunctional DNA nano-scorpion nanostructure (termed AptDzy-DNS) functioned with aptamers and DNAzyme is developed for highly efficient targeted delivery of mRNA therapeutics in gene therapy. The designed AptDzy-DNS is self-assembled with specific aptamers as “scorpion stingers” for targeting tumor cell and DNAzymes as “scorpion pincers” for targeted gene therapy by cleaving mRNA into fragments. The as-prepared AptDzy-DNS can effectively distinguish cancer cells from normal cells by specific cross-talking between aptamers on AptDzy-DNS and overexpressed cell-surface receptors. In the process of gene therapy, by reacting with Mg2+-dependent DNAzyme on AptDzy-DNS, the mRNA oligonucleotide in cancer cell is auto-cleaved into broken strand, failing to be translated into corresponding protein. Following, the downregulation protein can block cancer cell growth and realize highly efficient targeted therapies. The results demonstrate that the multifunctional AptDzy-DNS shows promise for targeted cancer cell discrimination, highly efficient targeted delivery of mRNA therapeutics in gene therapy. Thus, this developed strategy provides impressive improvement on gene targeted therapy and paves the way for application of AptDzy-DNS in human cancer targeted therapies.
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Affiliation(s)
- Dandan Li
- Department of Laboratory Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, P.R. China
| | - Fei Mo
- Key Laboratory of Clinical Laboratory Diagnostics (Ministry of Education), College of Laboratory Medicine, Chongqing Medical University, Chongqing, 400016, P.R. China
| | - Jiangling Wu
- Key Laboratory of Clinical Laboratory Diagnostics (Ministry of Education), College of Laboratory Medicine, Chongqing Medical University, Chongqing, 400016, P.R. China
| | - Yong Huang
- Department of Laboratory Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, P.R. China
| | - Huihao Zhou
- Key Laboratory of Clinical Laboratory Diagnostics (Ministry of Education), College of Laboratory Medicine, Chongqing Medical University, Chongqing, 400016, P.R. China
| | - Shijia Ding
- Key Laboratory of Clinical Laboratory Diagnostics (Ministry of Education), College of Laboratory Medicine, Chongqing Medical University, Chongqing, 400016, P.R. China.
| | - Weixian Chen
- Department of Laboratory Medicine, The Second Affiliated Hospital of Chongqing Medical University, Chongqing, 400010, P.R. China.
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Li J, Huang J, Yang X, Yang Y, Quan K, Xie N, Wu Y, Ma C, Wang K. Gold nanoparticle-based 2′-O-methyl modified DNA probes for breast cancerous theranostics. Talanta 2018; 183:11-17. [DOI: 10.1016/j.talanta.2018.02.036] [Citation(s) in RCA: 11] [Impact Index Per Article: 1.8] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 12/24/2017] [Revised: 02/07/2018] [Accepted: 02/08/2018] [Indexed: 12/15/2022]
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Yang L, Liu B, Wang M, Li J, Pan W, Gao X, Li N, Tang B. A Highly Sensitive Strategy for Fluorescence Imaging of MicroRNA in Living Cells and in Vivo Based on Graphene Oxide-Enhanced Signal Molecules Quenching of Molecular Beacon. ACS APPLIED MATERIALS & INTERFACES 2018; 10:6982-6990. [PMID: 29405060 DOI: 10.1021/acsami.7b19284] [Citation(s) in RCA: 35] [Impact Index Per Article: 5.8] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/07/2023]
Abstract
In situ imaging of microRNA (miRNA) in living cells and in vivo is beneficial for promoting the studies on miRNA-related physiological and pathological processes. However, the current strategies usually have a low signal-to-background ratio, which greatly affects the sensitivity and imaging performance. To solve this problem, we developed a highly sensitive strategy for fluorescence imaging of miRNA in living cells and in vivo based on graphene oxide (GO)-enhanced signal molecule quenching of a molecular beacon (MB). 2Cy5-MB was designed by coupling two Cy5 molecules onto the opposite ends of MB. The fluorescence intensities of two Cy5 molecules were reduced because of the self-quenching effect. After adsorbing on the GO surface, the fluorescence quenching of the molecules was enhanced by fluorescence resonance energy transfer. This double-quenching effect significantly reduced the fluorescence background. In the presence of one miRNA molecule, the fluorescence signals of two Cy5 molecules were simultaneously recovered. Therefore, a significantly enhanced signal-to-background ratio was obtained, which greatly improved the detection sensitivity. In the presence of miRNA, the fluorescence intensity of 2Cy5-MB-GO recovered about 156 times and the detection limit was 30 pM. Compared with 1Cy5-MB-GO, the elevated fluorescence intensity was enhanced 8 times and the detection limit was reduced by an order of magnitude. Furthermore, fluorescence imaging experiments demonstrated that 2Cy5-MB-GO could visually detect microRNA-21 in various cancer cells and tumor tissues. This simple and effective strategy provides a new sensing platform for highly sensitive detection and simultaneous imaging analysis of multiple low-level biomarkers in living cells and in vivo.
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Affiliation(s)
- Limin Yang
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Institute of Molecular and Nano Science, Shandong Normal University , Jinan 250014, P. R. China
| | - Bo Liu
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Institute of Molecular and Nano Science, Shandong Normal University , Jinan 250014, P. R. China
| | - Meimei Wang
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Institute of Molecular and Nano Science, Shandong Normal University , Jinan 250014, P. R. China
| | - Jia Li
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Institute of Molecular and Nano Science, Shandong Normal University , Jinan 250014, P. R. China
| | - Wei Pan
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Institute of Molecular and Nano Science, Shandong Normal University , Jinan 250014, P. R. China
| | - Xiaonan Gao
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Institute of Molecular and Nano Science, Shandong Normal University , Jinan 250014, P. R. China
| | - Na Li
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Institute of Molecular and Nano Science, Shandong Normal University , Jinan 250014, P. R. China
| | - Bo Tang
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Institute of Molecular and Nano Science, Shandong Normal University , Jinan 250014, P. R. China
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35
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Meng X, Dai W, Zhang K, Dong H, Zhang X. Imaging multiple microRNAs in living cells using ATP self-powered strand-displacement cascade amplification. Chem Sci 2018; 9:1184-1190. [PMID: 29675163 PMCID: PMC5885591 DOI: 10.1039/c7sc04725h] [Citation(s) in RCA: 54] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/01/2017] [Accepted: 11/30/2017] [Indexed: 12/14/2022] Open
Abstract
Herein, we design a smart autonomous ATP self-powered strand-displacement cascade amplification (SDCA) system for highly sensitive multiple intracellular miRNA detection. Rationally engineered Y-motif DNA structures are functionalized on mesoporous silica-coated copper sulfide nanoparticles loaded with numerous ATPs (CuS@mSiO2-Y/ATP) through pH stimulus-responsive disulfide bonds. The SDCA system is implemented by endogenous specific miRNA as a trigger and ATP as fuel released from the nanocarrier at acidic pH and photothermal stimuli-responsive CuS. The ATP self-powered SDCA process presents higher sensitivity compared to that without amplification for intracellular miRNA imaging. Two-color simultaneous and sensitive imaging of multiple cancer-related miRNAs in living cells is also confirmed. This enables facile and accurate differentiation between normal cells and different types of cancer cell using intracellular miRNA imaging, which improves the veracity and timeliness for early cancer diagnosis.
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Affiliation(s)
- Xiangdan Meng
- Research Center for Bioengineering and Sensing Technology , School of Chemistry and Bioengineering , University of Science & Technology Beijing , Beijing 100083 , P. R. China . ;
- National Institute of Precision Medicine & Health , Beijing , 100083 , P. R. China
| | - Wenhao Dai
- Research Center for Bioengineering and Sensing Technology , School of Chemistry and Bioengineering , University of Science & Technology Beijing , Beijing 100083 , P. R. China . ;
- National Institute of Precision Medicine & Health , Beijing , 100083 , P. R. China
| | - Kai Zhang
- Research Center for Bioengineering and Sensing Technology , School of Chemistry and Bioengineering , University of Science & Technology Beijing , Beijing 100083 , P. R. China . ;
- National Institute of Precision Medicine & Health , Beijing , 100083 , P. R. China
| | - Haifeng Dong
- Research Center for Bioengineering and Sensing Technology , School of Chemistry and Bioengineering , University of Science & Technology Beijing , Beijing 100083 , P. R. China . ;
- National Institute of Precision Medicine & Health , Beijing , 100083 , P. R. China
| | - Xueji Zhang
- Research Center for Bioengineering and Sensing Technology , School of Chemistry and Bioengineering , University of Science & Technology Beijing , Beijing 100083 , P. R. China . ;
- National Institute of Precision Medicine & Health , Beijing , 100083 , P. R. China
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36
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Abstract
Recent advances in miRNA detection methods and new applications.
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Affiliation(s)
- Yongqiang Cheng
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis
- Ministry of Education
- Key Laboratory of Analytical Science and Technology of Hebei Province
- College of Chemistry and Environmental Science
- Hebei University
| | - Lijuan Dong
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis
- Ministry of Education
- Key Laboratory of Analytical Science and Technology of Hebei Province
- College of Chemistry and Environmental Science
- Hebei University
| | - Jiangyan Zhang
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis
- Ministry of Education
- Key Laboratory of Analytical Science and Technology of Hebei Province
- College of Chemistry and Environmental Science
- Hebei University
| | - Yaqing Zhao
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis
- Ministry of Education
- Key Laboratory of Analytical Science and Technology of Hebei Province
- College of Chemistry and Environmental Science
- Hebei University
| | - Zhengping Li
- Key Laboratory of Medicinal Chemistry and Molecular Diagnosis
- Ministry of Education
- Key Laboratory of Analytical Science and Technology of Hebei Province
- College of Chemistry and Environmental Science
- Hebei University
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37
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Liu J, Du P, Zhang J, Shen H, Lei J. Sensitive detection of intracellular microRNA based on a flowerlike vector with catalytic hairpin assembly. Chem Commun (Camb) 2018; 54:2550-2553. [DOI: 10.1039/c7cc09579a] [Citation(s) in RCA: 37] [Impact Index Per Article: 6.2] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/12/2023]
Abstract
A flowerlike nanovector with horn-shaped tips is developed for in situ detection of intracellular microRNA with multiple signal outputs.
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Affiliation(s)
- Jintong Liu
- State Key Laboratory of Analytical Chemistry for Life Science
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing 210023
- China
| | - Ping Du
- State Key Laboratory of Analytical Chemistry for Life Science
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing 210023
- China
| | - Jing Zhang
- School of Petrochemical Engineering
- School of Food Science and Technology
- Changzhou University
- Changzhou 213164
- China
| | - Hong Shen
- State Key Laboratory of Analytical Chemistry for Life Science
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing 210023
- China
| | - Jianping Lei
- State Key Laboratory of Analytical Chemistry for Life Science
- School of Chemistry and Chemical Engineering
- Nanjing University
- Nanjing 210023
- China
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38
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Liu J, Cui M, Zhou H, Yang W. DNAzyme Based Nanomachine for in Situ Detection of MicroRNA in Living Cells. ACS Sens 2017; 2:1847-1853. [PMID: 29181969 DOI: 10.1021/acssensors.7b00710] [Citation(s) in RCA: 63] [Impact Index Per Article: 9.0] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/20/2022]
Abstract
The capability of in situ detection of microRNA in living cells with signal amplification strategy is of fundamental importance, and it will open up a new opportunity in development of diagnosis and prognosis of many diseases. Herein we report a swing DNA nanomachine for intracellular microRNA detection. The surfaces of Au nanoparticles (NPs) are modified by two hairpin DNA. We observe that one DNA (MB2) will open its hairpin structure upon partial hybridization with target miR-21 after entering into cells, and the other part of its hairpin structure could further react with the other hairpin DNA (MB1) to form a Zn2+-specific DNAzyme. This results in the disruption of MB1 through shearing action and the release of fluorescein Cy5. To provide an intelligent DNA nanomachine, MB2 is available again with the shearing action to bind with MB1, which provides effective signal amplification. This target-responsive, DNA nanomachine-based method showed a detection limit of 0.1 nM in vitro, and this approach could be an important step toward intracellular amplified detection and imaging of various analytes in living cells.
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Affiliation(s)
- Jing Liu
- Shandong
Provincial Key Laboratory of Detection Technology for Tumor Markers,
College of Chemistry and Chemical Engineering, Linyi University, Linyi 276005, P. R. China
- Centre
for Chemistry and Biotechnology, School of Life and Environmental
Sciences, Deakin University, Geelong, Victoria 3217, Australia
| | - Meirong Cui
- Shandong
Provincial Key Laboratory of Detection Technology for Tumor Markers,
College of Chemistry and Chemical Engineering, Linyi University, Linyi 276005, P. R. China
- Collaborative
Innovation Center of Functionalized Probes for Chemical Imaging in
Universities of Shandong, Shandong Normal University, Jinan 250014, P. R. China
| | - Hong Zhou
- Shandong
Provincial Key Laboratory of Detection Technology for Tumor Markers,
College of Chemistry and Chemical Engineering, Linyi University, Linyi 276005, P. R. China
- Centre
for Chemistry and Biotechnology, School of Life and Environmental
Sciences, Deakin University, Geelong, Victoria 3217, Australia
| | - Wenrong Yang
- Shandong
Provincial Key Laboratory of Detection Technology for Tumor Markers,
College of Chemistry and Chemical Engineering, Linyi University, Linyi 276005, P. R. China
- Centre
for Chemistry and Biotechnology, School of Life and Environmental
Sciences, Deakin University, Geelong, Victoria 3217, Australia
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39
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Dai W, Dong H, Guo K, Zhang X. Near-infrared triggered strand displacement amplification for MicroRNA quantitative detection in single living cells. Chem Sci 2017; 9:1753-1759. [PMID: 29732111 PMCID: PMC5909124 DOI: 10.1039/c7sc04243d] [Citation(s) in RCA: 73] [Impact Index Per Article: 10.4] [Reference Citation Analysis] [Abstract] [Track Full Text] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 09/28/2017] [Accepted: 11/27/2017] [Indexed: 01/08/2023] Open
Abstract
Two hairpin functionalized AuNRs were designed for NIR-laser triggered strand displacement amplification for microRNA quantitative analysis in single living cells.
As an important modulator of gene expression, microRNA (miRNA) has been described as a promising biomarker for the early diagnosis of cancers. A non-invasive method for real-time sensitive imaging and monitoring of miRNA in living cells is in urgent demand. Although some amplified methods have been developed, few can be programmed to assemble single intelligent nanostructures to realize sensitive intracellular miRNA detection without extra addition of an enzyme or catalytic fuel. Herein, two programmable oligonucleotide hairpin probe functionalized gold nanorods (THP-AuNRs) were designed to develop a near-infrared (NIR) laser triggered target strand displacement amplification (SDA) approach for sensitive miRNA imaging quantitative analysis in single living cells and multicellular tumor spheroids (MCTSs). Such a NIR-triggered SDA strategy achieves facile and sensitive monitoring of a model oncogenic miRNA-373 in various cancer lines and MCTS simulated tumor tissue. Notably, using a linear regression equation derived from miRNA mimics, a quantitative method of miRNA in single living cells was realized due to the high sensitivity. This provides a new way for sensitive real-time monitoring of intracellular miRNA, and may be promising for miRNA-based biomedical applications.
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Affiliation(s)
- Wenhao Dai
- Research Center for Bioengineering and Sensing Technology , School of Chemistry and Bioengineering , University of Science & Technology Beijing , Beijing 100083 , P. R. China . ; .,National Institute of Precision Medicine & Health , Beijing , 100083 , P. R. China
| | - Haifeng Dong
- Research Center for Bioengineering and Sensing Technology , School of Chemistry and Bioengineering , University of Science & Technology Beijing , Beijing 100083 , P. R. China . ; .,National Institute of Precision Medicine & Health , Beijing , 100083 , P. R. China
| | - Keke Guo
- Research Center for Bioengineering and Sensing Technology , School of Chemistry and Bioengineering , University of Science & Technology Beijing , Beijing 100083 , P. R. China . ; .,National Institute of Precision Medicine & Health , Beijing , 100083 , P. R. China
| | - Xueji Zhang
- Research Center for Bioengineering and Sensing Technology , School of Chemistry and Bioengineering , University of Science & Technology Beijing , Beijing 100083 , P. R. China . ; .,National Institute of Precision Medicine & Health , Beijing , 100083 , P. R. China
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40
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Li Y, Chen Y, Pan W, Yu Z, Yang L, Wang H, Li N, Tang B. Nanocarriers with multi-locked DNA valves targeting intracellular tumor-related mRNAs for controlled drug release. NANOSCALE 2017; 9:17318-17324. [PMID: 29091095 DOI: 10.1039/c7nr06479a] [Citation(s) in RCA: 13] [Impact Index Per Article: 1.9] [Reference Citation Analysis] [Abstract] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 06/07/2023]
Abstract
The fabrication of well-behaved drug delivery systems that can transport drugs to specifically treat cancer cells rather than normal cells is still a tremendous challenge. A novel drug delivery system with two types of tumor-related mRNAs as "keys" to open the multiple valves of the nanocarrier to control drug release was developed. Hollow mesoporous silica nanoparticles were employed as the nanocarrier and dual DNAs targeting two intracellular mRNAs were employed as "multi-locks" to lock up the nanocarrier. When the nanocarrier enters the cancer cells, the overexpressed endogenous mRNA keys hybridize with the DNA multi-locks to open the valves and release the drug. Each single mRNA could not trigger the opening of the locks to release the cargo. Therefore, the nanocarrier can be applied for specific chemotherapy against cancer cells with minor side effects to normal cells. The current strategy could provide an important avenue towards advancing the practical applications of drug delivery systems used for cancer therapy.
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Affiliation(s)
- Yanhua Li
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Institute of Molecular and Nano Science, Shandong Normal University, Jinan 250014, P. R. China.
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Single-step, homogeneous and sensitive detection for microRNAs with dual-recognition steps based on luminescence resonance energy transfer (LRET) using upconversion nanoparticles. Biosens Bioelectron 2017; 100:475-481. [PMID: 28963965 DOI: 10.1016/j.bios.2017.09.039] [Citation(s) in RCA: 33] [Impact Index Per Article: 4.7] [Reference Citation Analysis] [Abstract] [Key Words] [Journal Information] [Subscribe] [Scholar Register] [Received: 05/31/2017] [Revised: 09/08/2017] [Accepted: 09/20/2017] [Indexed: 01/23/2023]
Abstract
A single-step, homogeneous and sensitive LRET assay is presented for the detection of miRNAs. The amplification-free assay provides a unique combination of high specificity with dual-recognition approach of different hybridization and ligation steps and preventing background auto-fluorescence in biological samples using upconversion nanoparticles (UCNPs) as signal-producing nanoprobes. The assay probe is composed of signal-producing unit (a pair of homogeneous upconversion luminescence resonance energy transfer (UC-LRET)-based oligonucleotides) and recognition unit (two adaptor oligonucleotides). In the presence of target miRNAs, the probe and target miRNAs leads to the formation of stable double-strands and semi-stable adaptor-miRNAs complexes with an adaptor nick. Ligation of the nick using ligase cause the formation of stable double-strands, resulting in UCNPs-to-dye UC-LRET for detection of the miRNAs with near-infrared radiation (980nm). Sensitive detection of miRNA-21 at concentrations of 200pM to 1.4nM and detection limits of 0.095nM with good precision of 3.9% (RSD) for seven repeated measurements of 500pM miRNAs demonstrate the feasibility of both high throughput and point-of-care clinical diagnostics. The homogeneous UC-LRET assay without any washing can be extended to the application in other important types of nucleic acid analysis.
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Guan J, Zhou ZQ, Chen MH, Li HY, Tong DN, Yang J, Yao J, Zhang ZY. Folate-conjugated and pH-responsive polymeric micelles for target-cell-specific anticancer drug delivery. Acta Biomater 2017; 60:244-255. [PMID: 28713015 DOI: 10.1016/j.actbio.2017.07.018] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 03/04/2017] [Revised: 07/03/2017] [Accepted: 07/12/2017] [Indexed: 12/20/2022]
Abstract
In this study, we developed a folate (FA)-conjugated and pH-responsive active targeting micellar system for anti-cancer drug delivery. In this system, FA was attached to the terminal of the hydrophilic segment of poly(lactic acid)-poly(L-lysine) (PLA-PLL), and PLL was modified by a citric acid group. The FA receptor-mediated active targeting and electrostatic interaction between micelles and cell membrane due to a negative-to-positive charge reversal was combined in one micellar anti-cancer drug delivery system to enhance the tumour targeting and cellular internalisation of micelles. In vitro and in vivo anti-cancer studies demonstrated that the doxorubicin-loaded, FA-conjugated and pH-responsive polymeric micelles possess an enhanced and effective cancer efficiency. STATEMENT OF SIGNIFICANCE Negatively charged nano-carriers prolonged anti-cancer drugs' blood circulation. However it is difficult to be internalised. Therefore, a negative-to-positive charged micelle surface could improve selectivity for tumour cells and increase uptake chance. In this study, we developed a folate (FA)-conjugated and pH-responsive active targeting micellar system for anti-cancer drug delivery. The FA receptor-mediated active targeting and electrostatic interaction between micelles and cell membrane due to a negative-to-positive charge reversal was combined in one micellar anti-cancer drug delivery system to enhance the tumour targeting and cellular internalisation of micelles. In vitro and in vivo anti-cancer studies demonstrated that the doxorubicin-loaded, FA-conjugated and pH-responsive polymeric micelles possess an enhanced and effective cancer efficiency.
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Li D, Zhou W, Yuan R, Xiang Y. A DNA-Fueled and Catalytic Molecule Machine Lights Up Trace Under-Expressed MicroRNAs in Living Cells. Anal Chem 2017; 89:9934-9940. [PMID: 28809475 DOI: 10.1021/acs.analchem.7b02247] [Citation(s) in RCA: 69] [Impact Index Per Article: 9.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 02/07/2023]
Abstract
The detection of specific intracellular microRNAs (miRNAs) in living cells can potentially provide insight into the causal mechanism of cancer metastasis and invasion. However, because of the characteristic nature of miRNAs in terms of small sizes, low abundance, and similarity among family members, it is a great challenge to monitor miRNAs in living cells, especially those with much lower expression levels. In this work, we describe the establishment of a DNA-fueled and catalytic molecule machinery in cell signal amplification approach for monitoring trace and under-expressed miRNAs in living cells. The presence of the target miRNA releases the hairpin sequences from the dsDNA (containing the fluorescence resonance energy transfer (FRET) pair-labeled and unfolded hairpin sequences)-conjugated gold nanoparticles (dsDNA-AuNPs), and the DNA fuel strands assist the recycling of the target miRNA sequences via two cascaded strand displacement reactions, leading to the operation of the molecular machine in a catalytic fashion and the release of many hairpin sequences. As a result, the liberated hairpin sequences restore the folded hairpin structures and bring the FRET pair into close proximity to generate significantly amplified signals for detecting trace miRNA targets. Besides, the dsDNA-AuNP nanoprobes have good nuclease stability and show low cytotoxicity to cells, and the application of such a molecular system for monitoring trace and under-expressed miRNAs in living cells has also been demonstrated. With the advantages of in cell signal amplification and reduced background noise, the developed method thus offers new opportunities for detecting various trace intracellular miRNA species.
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Affiliation(s)
- Daxiu Li
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University , Chongqing 400715, P. R. China
| | - Wenjiao Zhou
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University , Chongqing 400715, P. R. China
| | - Ruo Yuan
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University , Chongqing 400715, P. R. China
| | - Yun Xiang
- Key Laboratory of Luminescent and Real-Time Analytical Chemistry, Ministry of Education, School of Chemistry and Chemical Engineering, Southwest University , Chongqing 400715, P. R. China
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Lu Q, Ericson D, Song Y, Zhu C, Ye R, Liu S, Spernyak JA, Du D, Li H, Wu Y, Lin Y. MnO 2 Nanotube-Based NanoSearchlight for Imaging of Multiple MicroRNAs in Live Cells. ACS APPLIED MATERIALS & INTERFACES 2017; 9:23325-23332. [PMID: 28493665 PMCID: PMC5831178 DOI: 10.1021/acsami.6b15387] [Citation(s) in RCA: 19] [Impact Index Per Article: 2.7] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Grants] [Track Full Text] [Subscribe] [Scholar Register] [Indexed: 05/23/2023]
Abstract
Sensitive assay and imaging of multiple low-abundance microRNAs (miRNAs) in living cells remain a grand challenge. Herein, based on polyelectrolyte-induced reduction, a facile approach has been proposed to synthesize novel MnO2 nanotubes. Owing to the remarkably strong fluorescence quenching ability, low cytotoxicity, and excellent colloid stability, the as-prepared MnO2 nanotubes showed great potential for simultaneous detection and imaging of multiple miRNAs in vitro and in situ in living cells for the first time. Besides, MnO2 nanotubes can be reduced to Mn2+ by intracellular acid pH or glutathione, which may serve as an activatable contrast reagent for MRI. Therefore, the MnO2 nanotube-based probes, termed "NanoSearchlight", provide a promising, multimodal imaging tool for precise and accurate diagnosis and prognosis of cancers.
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Affiliation(s)
- Qian Lu
- School of Mechanical and Material Engineering, Washington State University, Pullman, Washington 99164, United States
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing, Jiangsu 211189, China
| | - Daniel Ericson
- Department of Biomedical Engineering, State University of New York at Buffalo, Buffalo, New York 14260, United States
| | - Yang Song
- School of Mechanical and Material Engineering, Washington State University, Pullman, Washington 99164, United States
| | - Chengzhou Zhu
- School of Mechanical and Material Engineering, Washington State University, Pullman, Washington 99164, United States
| | - Ranfeng Ye
- School of Mechanical and Material Engineering, Washington State University, Pullman, Washington 99164, United States
| | - Songqin Liu
- School of Chemistry and Chemical Engineering, Southeast University, Nanjing, Jiangsu 211189, China
| | - Joseph A. Spernyak
- Dept. of Cell Stress Biology, Roswell Park Cancer Institute, Buffalo, New York 14263, United States
| | - Dan Du
- School of Mechanical and Material Engineering, Washington State University, Pullman, Washington 99164, United States
| | - He Li
- School of Mechanical and Material Engineering, Washington State University, Pullman, Washington 99164, United States
| | - Yun Wu
- Department of Biomedical Engineering, State University of New York at Buffalo, Buffalo, New York 14260, United States
| | - Yuehe Lin
- School of Mechanical and Material Engineering, Washington State University, Pullman, Washington 99164, United States
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45
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Wu JC, Meng QC, Ren HM, Wang HT, Wu J, Wang Q. Recent advances in peptide nucleic acid for cancer bionanotechnology. Acta Pharmacol Sin 2017; 38:798-805. [PMID: 28414202 DOI: 10.1038/aps.2017.33] [Citation(s) in RCA: 27] [Impact Index Per Article: 3.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 11/02/2016] [Accepted: 02/04/2017] [Indexed: 02/07/2023] Open
Abstract
Peptide nucleic acid (PNA) is an oligomer, in which the phosphate backbone has been replaced by a pseudopeptide backbone that is meant to mimic DNA. Peptide nucleic acids are of the utmost importance in the biomedical field because of their ability to hybridize with neutral nucleic acids and their special chemical and biological properties. In recent years, PNAs have emerged in nanobiotechnology for cancer diagnosis and therapy due to their high affinity and sequence selectivity toward corresponding DNA and RNA. In this review, we summarize the recent progresses that have been made in cancer detection and therapy with PNA biotechnology. In addition, we emphasize nanoparticle PNA-based strategies for the efficient delivery of drugs in anticancer therapies.
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Li S, Xu L, Sun M, Wu X, Liu L, Kuang H, Xu C. Hybrid Nanoparticle Pyramids for Intracellular Dual MicroRNAs Biosensing and Bioimaging. ADVANCED MATERIALS (DEERFIELD BEACH, FLA.) 2017; 29. [PMID: 28221715 DOI: 10.1002/adma.201606086] [Citation(s) in RCA: 51] [Impact Index Per Article: 7.3] [Reference Citation Analysis] [Abstract] [Key Words] [MESH Headings] [Track Full Text] [Subscribe] [Scholar Register] [Received: 11/10/2016] [Indexed: 05/07/2023]
Abstract
This study strategically fabricates multifunctional nanopyramids to allow the ultrasensitive quantification of dual microRNAs (miR-203b and miR-21) in living cells and their responsive bioimaging in vivo. The nanopyramids, composed of Au-Cu9 S5 nanoparticles (NPs), upconversion NPs (UCNPs), and Ag2 S NPs, emit two luminescent signals simultaneously with excitation at 808 nm, arising from the UCNPs at 541 nm in the visible region and from the Ag2 S NPs at 1227 nm in the second window of near-infrared (NIR-II) region. The upconversion luminescence has a linear relationship with miR-203b from 0.13 to 54.54 fmol per 10 µgRNA and a limit of detection (LOD) of 0.09 fmol per 10 µgRNA , whereas the Ag2 S NP luminescence has a linear relationship with miR-21 from 0.37 to 43.56 fmol per 10 µgRNA , with a LOD of 0.23 fmol per 10 µgRNA . Significantly, this study demonstrates that the nanopyramids can be successfully used for miRs-responsive bioimaging in a tumor-bearing animal model. Furthermore, taking advantage of the photothermal capabilities of pyramids, the tumors can also be eliminated completely. These nanopyramids not only overcome the obstacles in the simultaneous detection of multiple miRs at the cellular level but also provide a cancer theranostic platform in vivo.
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Affiliation(s)
- Si Li
- State Key Lab of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, P. R. China
- International Joint Research Laboratory for Biointerface and Biodetection, Jiangnan University, Wuxi, Jiangsu, 214122, P. R. China
| | - Liguang Xu
- State Key Lab of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, P. R. China
- International Joint Research Laboratory for Biointerface and Biodetection, Jiangnan University, Wuxi, Jiangsu, 214122, P. R. China
| | - Maozhong Sun
- State Key Lab of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, P. R. China
- International Joint Research Laboratory for Biointerface and Biodetection, Jiangnan University, Wuxi, Jiangsu, 214122, P. R. China
| | - Xiaoling Wu
- State Key Lab of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, P. R. China
- International Joint Research Laboratory for Biointerface and Biodetection, Jiangnan University, Wuxi, Jiangsu, 214122, P. R. China
| | - Liqiang Liu
- State Key Lab of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, P. R. China
- International Joint Research Laboratory for Biointerface and Biodetection, Jiangnan University, Wuxi, Jiangsu, 214122, P. R. China
| | - Hua Kuang
- State Key Lab of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, P. R. China
- International Joint Research Laboratory for Biointerface and Biodetection, Jiangnan University, Wuxi, Jiangsu, 214122, P. R. China
| | - Chuanlai Xu
- State Key Lab of Food Science and Technology, Jiangnan University, Wuxi, Jiangsu, 214122, P. R. China
- International Joint Research Laboratory for Biointerface and Biodetection, Jiangnan University, Wuxi, Jiangsu, 214122, P. R. China
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Ye S, Li X, Wang M, Tang B. Fluorescence and SERS Imaging for the Simultaneous Absolute Quantification of Multiple miRNAs in Living Cells. Anal Chem 2017; 89:5124-5130. [PMID: 28358481 DOI: 10.1021/acs.analchem.7b00697] [Citation(s) in RCA: 104] [Impact Index Per Article: 14.9] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 12/30/2022]
Abstract
The simultaneous imaging and quantification of multiple intracellular microRNAs (miRNAs) are particularly desirable for the early diagnosis of cancers. However, simultaneous direct imaging with absolute quantification of multiple intracellular RNAs remains a great challenge, particularly for miRNAs, which have significantly different expression levels in living cells. We designed dual-signal switchable (DSS) nanoprobes using the fluorescence-Raman signal switch. The intracellular uptake and dynamic behaviors of the probe are monitored by its fluorescence signal. Meanwhile, real-time quantitative detection of multiple miRNAs is made possible by measurements of the surface-enhanced Raman spectroscopy (SERS) ratios. Moreover, the signal 1:n ratio amplification mode only responds to low-abundance miRNA (asymmetric signal amplification mode) for simultaneous visualization and quantitative detection of significantly different levels of miRNAs in living cells. miR-21 and miR-203 were successfully detected in living MCF-7 cells, in agreement with in vitro results from the same batch of cell lysates. The reported dual-spectrum imaging method promises to offer a new strategy for the intracellular imaging and detection of various types of biomolecules.
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Affiliation(s)
- Sujuan Ye
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University , Jinan 250014, P.R. China.,Key Laboratory of Sensor Analysis of Tumor Marker Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology , Qingdao 266042, P.R. China
| | - Xiaoxiao Li
- Key Laboratory of Sensor Analysis of Tumor Marker Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology , Qingdao 266042, P.R. China
| | - Menglei Wang
- Key Laboratory of Sensor Analysis of Tumor Marker Ministry of Education, College of Chemistry and Molecular Engineering, Qingdao University of Science and Technology , Qingdao 266042, P.R. China
| | - Bo Tang
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Shandong Provincial Key Laboratory of Clean Production of Fine Chemicals, Shandong Normal University , Jinan 250014, P.R. China
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48
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Kuang T, Chang L, Peng X, Hu X, Gallego-Perez D. Molecular Beacon Nano-Sensors for Probing Living Cancer Cells. Trends Biotechnol 2017; 35:347-359. [DOI: 10.1016/j.tibtech.2016.09.003] [Citation(s) in RCA: 46] [Impact Index Per Article: 6.6] [Reference Citation Analysis] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Received: 07/23/2016] [Revised: 09/02/2016] [Accepted: 09/07/2016] [Indexed: 01/30/2023]
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49
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A DNA dual lock-and-key strategy for cell-subtype-specific siRNA delivery. Nat Commun 2016; 7:13580. [PMID: 27882923 PMCID: PMC5476801 DOI: 10.1038/ncomms13580] [Citation(s) in RCA: 136] [Impact Index Per Article: 17.0] [Reference Citation Analysis] [Abstract] [Download PDF] [Figures] [Journal Information] [Subscribe] [Scholar Register] [Received: 01/29/2016] [Accepted: 10/17/2016] [Indexed: 02/07/2023] Open
Abstract
The efficient and precise delivery of siRNA to target cells is critical to successful gene therapy. While novel nanomaterials enhance delivery efficiency, it still remains challenging for precise gene delivery to overcome nonspecific adsorption and off-target effect. Here we design a dual lock-and-key system to perform cell-subtype-specific recognition and siRNA delivery. The siRNA is self-assembled in an oligonucleotide nano vehicle that is modified with a hairpin structure to act as both the ‘smart key’ and the delivery carrier. The auto-cleavable hairpin structure can be activated on site at target cell membrane by reacting with two aptamers as ‘dual locks’ sequentially, which leads to cell-subtype discrimination and precise siRNA delivery for high efficient gene silencing. The success of this strategy demonstrates the precise delivery of siRNA to specific target cells by controlling multiple parameters, thus paving the way for application of RNAi in accurate diagnosis and intervention. Delivery of siRNA to target cells is essential for in vivo gene therapy. Here the authors demonstrate an oligonucleotide aptamer that targets therapeutic siRNA to a specific cell type.
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50
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Yang L, Ren Y, Pan W, Yu Z, Tong L, Li N, Tang B. Fluorescent Nanocomposite for Visualizing Cross-Talk between MicroRNA-21 and Hydrogen Peroxide in Ischemia-Reperfusion Injury in Live Cells and In Vivo. Anal Chem 2016; 88:11886-11891. [PMID: 27804287 DOI: 10.1021/acs.analchem.6b03701] [Citation(s) in RCA: 48] [Impact Index Per Article: 6.0] [Reference Citation Analysis] [Abstract] [Track Full Text] [Journal Information] [Subscribe] [Scholar Register] [Indexed: 01/29/2023]
Abstract
MicroRNAs (miRNAs) and reactive oxygen species (ROS) are concurrently implicated in heart ischemia-reperfusion (IR) injury. There may exist mutual cross-talk between miRNAs and ROS in cardiac IR injury process. In this study, we developed a novel crown-like silica@polydopamine-DNA-CeO2 nanocomposite by assembly of silica@polydopamine-DNA1 nanoparticles decorated with satellite CeO2-DNA2 nanoparticles for detecting and imaging of microRNA-21 (miR-21) and hydrogen peroxide (H2O2) in simulated IR injury in living cells and in vivo. The miRNA-21 was found to be regulated by H2O2 via PI3K/AKT signaling pathway for the first time in H9C2 cells in simulated ischemia-reperfusion injury. H2O2 and miRNA-21 are overproduced during mimicked heart ischemia-reperfusion injury, suggesting that they are closely related to reperfusion injury. All these results reveal that there is definite cross-talk between miR-21 and H2O2 in IR injury. The current method can provide a promising strategy to further explore the interplaying roles between ROS and miRNAs in other pathological processes.
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Affiliation(s)
- Limin Yang
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Institute of Molecular and Nano Science, Shandong Normal University , Jinan 250014, People's Republic of China
| | - Yanfei Ren
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Institute of Molecular and Nano Science, Shandong Normal University , Jinan 250014, People's Republic of China
| | - Wei Pan
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Institute of Molecular and Nano Science, Shandong Normal University , Jinan 250014, People's Republic of China
| | - Zhengze Yu
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Institute of Molecular and Nano Science, Shandong Normal University , Jinan 250014, People's Republic of China
| | - Lili Tong
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Institute of Molecular and Nano Science, Shandong Normal University , Jinan 250014, People's Republic of China
| | - Na Li
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Institute of Molecular and Nano Science, Shandong Normal University , Jinan 250014, People's Republic of China
| | - Bo Tang
- College of Chemistry, Chemical Engineering and Materials Science, Collaborative Innovation Center of Functionalized Probes for Chemical Imaging in Universities of Shandong, Key Laboratory of Molecular and Nano Probes, Ministry of Education, Institute of Molecular and Nano Science, Shandong Normal University , Jinan 250014, People's Republic of China
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