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学者姓名：杨黄浩
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Abstract ：
Evaluating tumor radiosensitivity is beneficial for the prediction of treatment efficacy, customization of treatment plans, and minimization of side effects. Tracking the mitochondrial DNA (mtDNA) repair process helps to assess tumor radiosensitivity as mtDNA repair determines the fate of the cell under radiation-induced mtDNA damage. However, current probes developed to monitor levels of DNA repair enzymes suffered from complex synthesis, uncontrollable preparation, limited tumor selectivity, and poor organelle-targeting ability. Especially, the correlation between mtDNA repair activity and inherent radiosensitivity of tumors has not yet been explored. Here, we present a mitochondria-targeted DNA-based nanoprobe (TPP-Apt-tFNA) for in situ monitoring of the activity of the mtDNA repair enzyme and evaluating tumor radiosensitivity. TPP-Apt-tFNA consists of a DNA tetrahedral framework precisely modified with three functional modules on each of the three vertexes, that is, the tumor cell-targeting aptamer, the mitochondrion-targeting moiety, and the apurinic/apyrimidinic endonuclease 1 (APE1)-responsive molecule beacon. Once selectively internalized by tumor cells, the nanoprobe targeted the mitochondrion and specifically recognized APE1 to activate fluorescence, allowing the observation of mtDNA repair activity. The nanoprobe showed elevated APE1 levels in the mitochondria of tumor cells under oxidative stress. Moreover, the nanoprobe enabled the illumination of different levels of APE1-mediated mtDNA repair activity in different cell cycle phases. Furthermore, using the nanoprobe in vitro and in vivo, we found that tumor cells with high activity of mtDNA repair, which allowed them to recover from radiation-induced mtDNA lesions, had low sensitivity to radiation and an unsatisfactory radiotherapy outcome. Our work provides a new imaging tool for exploring the roles of mtDNA repair activity in diverse biological processes and for guiding tumor radiation treatment.
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| GB/T 7714 | Chen, Lanlan , Lai, Jingjing , Dong, Siqi et al. Mitochondria-Targeted DNA-Based Nanoprobe for In Situ Monitoring of the Activity of the mtDNA Repair Enzyme and Evaluating Tumor Radiosensitivity [J]. | ANALYTICAL CHEMISTRY , 2025 , 97 (1) : 382-391 . |
| MLA | Chen, Lanlan et al. "Mitochondria-Targeted DNA-Based Nanoprobe for In Situ Monitoring of the Activity of the mtDNA Repair Enzyme and Evaluating Tumor Radiosensitivity" . | ANALYTICAL CHEMISTRY 97 . 1 (2025) : 382-391 . |
| APA | Chen, Lanlan , Lai, Jingjing , Dong, Siqi , Liu, Wenjun , Zhang, Ximei , Yang, Huanghao . Mitochondria-Targeted DNA-Based Nanoprobe for In Situ Monitoring of the Activity of the mtDNA Repair Enzyme and Evaluating Tumor Radiosensitivity . | ANALYTICAL CHEMISTRY , 2025 , 97 (1) , 382-391 . |
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The development of RNA interference (RNAi) therapy offers a potential solution for Alzheimer's disease (AD). However, the brain-blood barrier (BBB) with its selective permeability and pharmacokinetic-related challenges poses restrictions on the delivery of small interfering RNA (siRNA) to the central nervous system (CNS). In this study, we demonstrate that the incorporation of 2 '-fluoro (2 '-F) substitutions and L-carnitine modification facilitates the self-assembly of siRNA through triple interaction, leading to the formation of nanorings, called LCSF-NR. Based on the enhanced cellular uptake and lysosomal escape by 2 '-F substitution and the transport across the BBB promoted by L-carnitine, the nanorings realized the improved brain-targeted delivery of siRNA, both in zebrafish and mice models. Moreover, our findings highlight the therapeutic potential of LCSF-NR formulation in an AD zebrafish model through a synergistic effect of downregulating the beta-site APP cleavage enzyme 1 (BACE1) gene and L-carnitine-mediated neuroprotection, effectively inhibiting pathological processes. Overall, these results suggest that the chemical modification-based siRNA self-assembly strategy enables trans-BBB delivery and presents a concise approach for synergistic therapy of AD.
Keyword ：
Alzheimer's disease Alzheimer's disease blood-brain barrier blood-brain barrier chemical modification chemical modification self-assembly self-assembly siRNA siRNA
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| GB/T 7714 | Jiang, Yifan , Li, Lisha , Fang, Xiao et al. Self-assembling chemically modified siRNA nanorings for RNAi therapy and neuroprotection in Alzheimer's disease [J]. | SCIENCE CHINA-CHEMISTRY , 2025 . |
| MLA | Jiang, Yifan et al. "Self-assembling chemically modified siRNA nanorings for RNAi therapy and neuroprotection in Alzheimer's disease" . | SCIENCE CHINA-CHEMISTRY (2025) . |
| APA | Jiang, Yifan , Li, Lisha , Fang, Xiao , Zeng, Tao , Su, Lichao , Liu, Yichang et al. Self-assembling chemically modified siRNA nanorings for RNAi therapy and neuroprotection in Alzheimer's disease . | SCIENCE CHINA-CHEMISTRY , 2025 . |
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Proteolysis-targeting chimeras (PROTACs) are dual-functional molecules composed of a protein of interest (POI) ligand and an E3 ligase ligand connected by a linker, which can recruit POI and E3 ligases simultaneously, thereby inducing the degradation of POI and showing great potential in disease treatment. A challenge in developing PROTACs is the design of linkers and the modification of ligands to establish a multifunctional platform that enhances degradation efficiency and antitumor activity. As a programmable and modifiable nanomaterial, DNA tetrahedron can precisely assemble and selectively recognize molecules and flexibly adjust the distance between molecules, making them ideal linkers. Herein, we developed a multivalent PROTAC based on a DNA tetrahedron, named AS-TD2-PRO. Using DNA tetrahedron as a linker, we combined modules targeting tumor cells, recognizing E3 ligases, and multiple POI together. We took the undruggable target protein signal transducer and activator of transcription 3 (STAT3), associated with the etiology and progression in a variety of malignant tumors, as an example in this study. AS-TD2-PRO with two STAT3 recognition modules demonstrated good potential in enhancing tumor-specific targeting and degradation efficiency compared to traditional bivalent PROTACs. Furthermore, in a mouse tumor model, the superior therapeutic activity of AS-TD2-PRO was observed. Overall, DNA tetrahedron-driven multivalent PROTACs both serve as a proof of principle for multifunctional PROTAC design and introduce a promising avenue for cancer treatment strategies.
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| GB/T 7714 | Li, Shiqing , Zeng, Tao , Wu, Zhixing et al. DNA Tetrahedron-Driven Multivalent Proteolysis-Targeting Chimeras: Enhancing Protein Degradation Efficiency and Tumor Targeting [J]. | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY , 2025 , 147 (2) : 2168-2181 . |
| MLA | Li, Shiqing et al. "DNA Tetrahedron-Driven Multivalent Proteolysis-Targeting Chimeras: Enhancing Protein Degradation Efficiency and Tumor Targeting" . | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY 147 . 2 (2025) : 2168-2181 . |
| APA | Li, Shiqing , Zeng, Tao , Wu, Zhixing , Huang, Jiabao , Cao, Xiuping , Liu, Yana et al. DNA Tetrahedron-Driven Multivalent Proteolysis-Targeting Chimeras: Enhancing Protein Degradation Efficiency and Tumor Targeting . | JOURNAL OF THE AMERICAN CHEMICAL SOCIETY , 2025 , 147 (2) , 2168-2181 . |
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Chemical warfare agents represent a severe threat to mankind and their efficient decontamination is a global necessity. However, traditional disposal strategies have limitations, including high energy consumption, use of aggressive reagents and generation of toxic byproducts. Here, inspired by the compartmentalized architecture and detoxification mechanism of bacterial micro-compartments, we constructed oil-in-water Pickering emulsion droplets stabilized by hydrogen-bonded organic framework immobilized cascade enzymes for decontaminating mustard gas simulant (2-chloroethyl ethyl sulfide, CEES) under sweet conditions. Two exemplified droplet systems were developed with two-enzyme (glucose oxidase/chloroperoxidase) and three-enzyme (invertase/glucose oxidase/chloroperoxidase) cascades, both achieving over 6-fold enhancement in decontamination efficiency compared with free enzymes and >99% selectivity towards non-toxic sulfoxide. We found that the favored mass transfer of sugars and CEES from their respective phases to approach the cascade enzymes located at the droplet surface and the facilitated substrate channeling between proximally immobilized enzymes were key factors in augmenting the decontamination efficacy. More importantly, the robustness of immobilized enzymes enabled easy reproduction of both the droplet formation and detoxification performance over 10 cycles, following long-term storage and in far-field locations. © The Author(s) 2024.
Keyword ：
bacterial microcompartment bacterial microcompartment biocatalysis biocatalysis biomimetics biomimetics chemical warfare agent chemical warfare agent Pickering emulsion Pickering emulsion
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| GB/T 7714 | Xu, X. , Xie, W. , Wu, T. et al. Bacterial microcompartment-mimicking Pickering emulsion droplets for detoxification of chemical threats under sweet conditions [J]. | Science China Chemistry , 2024 , 67 (9) : 3039-3049 . |
| MLA | Xu, X. et al. "Bacterial microcompartment-mimicking Pickering emulsion droplets for detoxification of chemical threats under sweet conditions" . | Science China Chemistry 67 . 9 (2024) : 3039-3049 . |
| APA | Xu, X. , Xie, W. , Wu, T. , Chen, C. , Chen, X. , Yang, Y. et al. Bacterial microcompartment-mimicking Pickering emulsion droplets for detoxification of chemical threats under sweet conditions . | Science China Chemistry , 2024 , 67 (9) , 3039-3049 . |
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The growing demands for X-ray imaging applications impose diverse and stringent requirements on advanced X-ray detectors. Among these, flexibility stands out as the most expected characteristic for next-generation X-ray detectors. Flexible X-ray detectors can spatially conform to nonflat surfaces, substantially improving the imaging resolution, reducing the X-ray exposure dosage, and enabling extended application opportunities that are hardly achievable by conventional rigid flat-panel detectors. Over the past years, indirect- and direct-conversion flexible X-ray detectors have made marvelous achievements. In particular, microscale and nanoscale engineering technologies play a pivotal role in defining the optical, electrical, and mechanical properties of flexible X-ray detectors. In this Perspective, we spotlight recent landmark advancements in flexible X-ray detectors from the aspects of micro/nano engineering strategies, which are broadly categorized into two prevailing modalities: materials-in-substrate and materials-on-substrate. We also discuss existing challenges hindering the development of flexible X-ray detectors, as well as prospective research opportunities to mitigate these issues. © 2024 American Chemical Society.
Keyword ：
Carrier concentration Carrier concentration II-VI semiconductors II-VI semiconductors Particle detectors Particle detectors Photons Photons Scintillation counters Scintillation counters Semiconductor detectors Semiconductor detectors X ray analysis X ray analysis X ray cameras X ray cameras X ray detectors X ray detectors X ray laboratories X ray laboratories
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| GB/T 7714 | Ou, Xiangyu , Hong, Zhongzhu , Wu, Qinxia et al. Micro/Nano Engineering Advances Next-Generation Flexible X-ray Detectors [J]. | ACS Nano , 2024 , 18 (40) : 27126-27137 . |
| MLA | Ou, Xiangyu et al. "Micro/Nano Engineering Advances Next-Generation Flexible X-ray Detectors" . | ACS Nano 18 . 40 (2024) : 27126-27137 . |
| APA | Ou, Xiangyu , Hong, Zhongzhu , Wu, Qinxia , Chen, Xiaofeng , Xie, Lili , Zhang, Zhenzhen et al. Micro/Nano Engineering Advances Next-Generation Flexible X-ray Detectors . | ACS Nano , 2024 , 18 (40) , 27126-27137 . |
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Traditional cancer chemotherapy suffers from low efficacy and severe side effects, limiting its use as a first-line treatment. To address this issue, we investigated a novel way to induce lipid peroxidation (LPO), which plays an essential role in ferroptosis and may be useful against cancer cells and tumors. In this study, a pH-responsive synergistic cancer therapy nanoplatform was prepared using CaCO3 co-loaded with oleanolic acid (OA) and lipoxygenase (LOX), resulting in the formation OLCaP NP. This nanoplatform exhibited good drug release properties in an acidic tumor environment owing to the presence of CaCO3. As a result of acidic stimulation at tumor sites, the OLCaP NP released OA and LOX. OA, a chemotherapeutic drug with anticancer activity, is already known to promote the apoptosis of cancer cells, and LOX is a natural enzyme that catalyzes the oxidation of polyunsaturated fatty acids, leading to the accumulation of lipid peroxides and promoting the apoptosis of cancer cells. More importantly, OA upregulated the expression of acyl-coenzyme A synthetase long-chain family member 4 (ACSL4), which promoted enzyme-mediated LPO. Based on our combined chemotherapy and nanocatalytic therapy, the OLCaP NP not only had remarkable antitumor ability but also upregulated ACSL4 expression, allowing further amplification of LPO to inhibit tumor growth. These findings demonstrate the potential of this nanoplatform to enhance the therapeutic efficacy against tumors by inducing oxidative stress and disrupting lipid metabolism, highlighting its clinical potential for improved cancer treatment. Statement of significance: This study presents a novel nanoplatform that combines oleanolic acid (OA), a chemotherapeutic drug, and lipoxygenase (LOX), which oxidizes polyunsaturated fatty acids to trigger apoptosis, for targeted cancer therapy. Unlike traditional treatments, our nanoplatform exhibits pH-responsive drug release, specifically in acidic tumor environments. This innovation enhances the therapeutic effects of OA and LOX, upregulating acyl-CoA synthetase long-chain family member 4 expression and amplifying lipid peroxidation to promote tumor cell apoptosis. Our findings significantly advance the existing literature by demonstrating a synergistic approach that combines chemotherapy and nanocatalytic therapy. The scientific impact of this work lies in its potential to improve cancer treatment efficacy and specificity, offering a promising strategy for clinical applications and future research in cancer therapy. © 2024 Acta Materialia Inc.
Keyword ：
Double emulsion Double emulsion Lipid peroxidation Lipid peroxidation Mitochondrial damage Mitochondrial damage Nanocatalytic tumor therapy Nanocatalytic tumor therapy
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| GB/T 7714 | Zhuge, X. , Tang, R. , Jiang, Y. et al. A multifunctional nanoplatform for chemotherapy and nanocatalytic synergistic cancer therapy achieved by amplified lipid peroxidation [J]. | Acta Biomaterialia , 2024 , 184 : 419-430 . |
| MLA | Zhuge, X. et al. "A multifunctional nanoplatform for chemotherapy and nanocatalytic synergistic cancer therapy achieved by amplified lipid peroxidation" . | Acta Biomaterialia 184 (2024) : 419-430 . |
| APA | Zhuge, X. , Tang, R. , Jiang, Y. , Lin, L. , Xi, D. , Yang, H. . A multifunctional nanoplatform for chemotherapy and nanocatalytic synergistic cancer therapy achieved by amplified lipid peroxidation . | Acta Biomaterialia , 2024 , 184 , 419-430 . |
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X射线发光是指闪烁体在X射线激发下发射出低能量光子的过程，在生物传感、医学成像、光动力治疗、光遗传等领域具有应用前景。相较于传统的紫外激发光，X射线对生物组织具有高穿透性且不会触发生物体的自荧光，可实现深组织、无背景、高灵敏的生物分析。近年来，基于纳米闪烁体的X射线发光在生物光子学领域中得到广泛研究，促进了X射线发光在分析化学和生物医学中的应用。本文首先对闪烁体的X射线发光机理进行了概述，接着重点介绍了纳米闪烁体作为光学探针在生物分子测量与疾病治疗中的研究进展，包括生物传感、活体成像和光动力治疗等，最后讨论了该领域存在的一些挑战和可能的解决方案。
Keyword ：
X射线发光 X射线发光 光学探针 光学探针 生物分析 生物分析 纳米闪烁体 纳米闪烁体
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| GB/T 7714 | 徐新奇 , 张珍珍 , 陈小丰 et al. 基于纳米闪烁体的X射线发光生物分子测量与疾病治疗研究进展 [J]. | 化学通报 , 2024 , 87 (09) : 1009-1019 . |
| MLA | 徐新奇 et al. "基于纳米闪烁体的X射线发光生物分子测量与疾病治疗研究进展" . | 化学通报 87 . 09 (2024) : 1009-1019 . |
| APA | 徐新奇 , 张珍珍 , 陈小丰 , 陈秋水 , 杨黄浩 . 基于纳米闪烁体的X射线发光生物分子测量与疾病治疗研究进展 . | 化学通报 , 2024 , 87 (09) , 1009-1019 . |
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Mn-based metal halides scintillators with high photoluminescence quantum yield (PLQY) have recently emerged as promising large-size candidates for X-ray imaging but still remains as difficult challenge in stability and high processing temperatures. Here, three manganese halides are designed by introducing branched chains into organic cations and extending the carbon chains, namely (i-PrTPP)2MnBr4, (i-BuTPP)2MnBr4 and (i-AmTPP)2MnBr4, successfully lowered the melting point of manganese halides to 120.2 degrees C. Three materials show striking light yields of 59 000, 40 000, and 52 000 photons MeV-1, respectively. The lowest detection limits are 42.30, 50.92, and 45.71 nGy s-1, respectively. Meanwhile, compared to their counterparts with linear carbon chains, the introduction of branched chains has significantly enhanced the stability of the scintillators in the glass state. A transparent glass has been prepared using a melt-quenching method, which exhibited 80% transmittance at 400-700 nm. The glass is utilized for X-ray imaging, achieving a high spatial resolution up to 46.6 lp mm-1. This result provides a new approach to enhancing the performance of such scintillator materials.
Keyword ：
glass scintillator glass scintillator low temperature melting low temperature melting metal halide metal halide stability stability X-ray detection X-ray detection
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| GB/T 7714 | Chen, Shichuan , Guo, Cuiling , Chen, Shan-Ci et al. Enhanced Stability of Melt-Processable Organic-Inorganic Hybrid Manganese Halides for X-Ray Imaging [J]. | SMALL , 2024 , 20 (52) . |
| MLA | Chen, Shichuan et al. "Enhanced Stability of Melt-Processable Organic-Inorganic Hybrid Manganese Halides for X-Ray Imaging" . | SMALL 20 . 52 (2024) . |
| APA | Chen, Shichuan , Guo, Cuiling , Chen, Shan-Ci , Di, Yiming , Fang, Xin , Lin, Mei-Jin et al. Enhanced Stability of Melt-Processable Organic-Inorganic Hybrid Manganese Halides for X-Ray Imaging . | SMALL , 2024 , 20 (52) . |
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Radiodynamic therapy that employs X-rays to trigger localized reactive oxygen species (ROS) generation can tackle the tissue penetration issue of phototherapy. Although calcium tungstate (CaWO4) shows great potential as a radiodynamic agent benefiting from its strong X-ray absorption and the ability to generate electron-hole (e(-)-h(+)) pairs, slow charge carrier transfer and fast e(-)-h(+) recombination greatly limit its ROS-generating performance. Herein, via a one-pot wet-chemical method, oxygen vacancy-rich amorphous/crystalline heterophase CaWO4 nanoparticles (Ov-a/c-CaWO4 NPs) with enhanced radiodynamic effect are synthesized for radiodynamic-immunotherapy of cancer. The phase composition and oxygen vacancy content of CaWO4 can be easily tuned by adjusting the solvothermal temperature. More intriguingly, the amorphous/crystalline interfaces and abundant oxygen vacancies accelerate charge carrier transfer and suppress e(-)-h(+) recombination, respectively, enabling synergistically improved ROS production from X-ray-irradiated Ov-a/c-CaWO4 NPs. In addition to directly inducing oxidative damage of cancer cells, radiodynamic generation of ROS also boosts immunogenic cell death to provoke a systemic antitumor immune response, thereby allowing the inhibition of both primary and distant tumors as well as cancer metastasis. This study establishes a synergistic enhancement strategy involving the integration of phase and defect engineering to improve the ROS generation capacity of radiodynamic-immunotherapeutic anticancer nanoagents.
Keyword ：
CaWO4 nanoparticles CaWO4 nanoparticles enhanced radiodynamic effect enhanced radiodynamic effect heterophase heterophase oxygen vacancies oxygen vacancies radiodynamic-immunotherapy radiodynamic-immunotherapy
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| GB/T 7714 | Peng, Shanshan , Chen, Zhen , Wang, Jun et al. One-Pot Synthesis of Oxygen Vacancy-Rich Amorphous/Crystalline Heterophase CaWO4 Nanoparticles for Enhanced Radiodynamic-Immunotherapy [J]. | ADVANCED SCIENCE , 2024 , 12 (7) . |
| MLA | Peng, Shanshan et al. "One-Pot Synthesis of Oxygen Vacancy-Rich Amorphous/Crystalline Heterophase CaWO4 Nanoparticles for Enhanced Radiodynamic-Immunotherapy" . | ADVANCED SCIENCE 12 . 7 (2024) . |
| APA | Peng, Shanshan , Chen, Zhen , Wang, Jun , Yu, Meili , Niu, Xuegang , Cui, Tingting et al. One-Pot Synthesis of Oxygen Vacancy-Rich Amorphous/Crystalline Heterophase CaWO4 Nanoparticles for Enhanced Radiodynamic-Immunotherapy . | ADVANCED SCIENCE , 2024 , 12 (7) . |
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Among nucleic acid-based cell membrane functionalization strategies, target recognition is a common route to attach DNA probes on receptors via modifying DNA with receptor-biorecognition elements. Nucleic acid has evolved into a promising molecular tool for probing receptors and even manipulating receptor functions. Given the diversity of receptor-binding aptamers, the covalent chemical conjugation strategies could be easily expanded to other target receptors by using appropriate biorecognition elements. Overall, the nucleic acid-based cell membrane functionalization strategies combined with receptor-biorecognition elements have succeeded in the connection of DNA probes with selective receptors, providing desirable opportunities for cellular receptor visualization and regulation. Cellular receptors offer abundant molecular information closely relevant to cell behaviors, mainly involving receptor expression levels, posttranslational modification patterns, and dynamic nanoscale organizations. © 2024 WILEY-VCH GmbH, BoschstraΒe 12, 69469 Weinheim, Germany.
Keyword ：
cell membrane functionalization strategies cell membrane functionalization strategies cellular receptor regulation cellular receptor regulation cellular receptor visualization cellular receptor visualization DNA probes DNA probes nucleic acid nucleic acid receptor-biorecognition elements receptor-biorecognition elements
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| GB/T 7714 | Chen, S. , Li, J. , Yang, H. . Cell Membrane Functionalization via Nucleic Acid Tools for Visualization and Regulation of Cellular Receptors [未知]. |
| MLA | Chen, S. et al. "Cell Membrane Functionalization via Nucleic Acid Tools for Visualization and Regulation of Cellular Receptors" [未知]. |
| APA | Chen, S. , Li, J. , Yang, H. . Cell Membrane Functionalization via Nucleic Acid Tools for Visualization and Regulation of Cellular Receptors [未知]. |
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