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Targeting Cellular Senescence: A New Therapeutic Axis in Chronic Liver Disease 靶向细胞衰老:慢性肝病治疗的新方向
IF 12.8 1区 工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY Pub Date : 2026-03-05 DOI: 10.1016/j.eng.2026.02.019
Jiarui Li, Ze Xiang, Yunyang Xu, Xingyu Luo, Yao Jiang, Yingchen Huang, Zhe Yang, Ronggao Chen, Xiao Xu
Cellular senescence, a state of irreversible cell cycle arrest, is increasingly recognized as a key pathological driver of the progression of chronic liver diseases from metabolic dysfunction and fibrosis to hepatocellular carcinoma. While initially acting as a tumor-suppressive mechanism to eliminate damaged cells, the chronic accumulation of senescent cells creates a proinflammatory, profibrotic microenvironment through the senescence-associated secretory phenotype (SASP), thereby promoting tissue damage. This review examines the context-dependent mechanisms of cellular senescence across a range of chronic liver diseases, including metabolic, immune-mediated, viral, and malignant conditions. Building on these mechanisms, we critically assess the therapeutic landscape—from the selective clearance of senescent cells to novel strategies that modulate the senescence program—highlighting both their promise and current limitations. Despite the generally promising preclinical results, the clinical translation of senotherapies faces significant hurdles, including the heterogeneity of senescence, a lack of specific biomarkers, and potential off-target effects. Overcoming these challenges through emerging technologies will be crucial to harnessing senescence as a new therapeutic axis for chronic liver disease.
细胞衰老是一种不可逆的细胞周期停滞状态,越来越被认为是慢性肝病从代谢功能障碍和纤维化到肝细胞癌进展的关键病理驱动因素。衰老细胞的慢性积累通过衰老相关分泌表型(senescence associated secretory phenotype, SASP)创造了促炎、促纤维化的微环境,从而促进组织损伤。这篇综述探讨了一系列慢性肝脏疾病中细胞衰老的环境依赖机制,包括代谢性、免疫介导性、病毒性和恶性疾病。在这些机制的基础上,我们批判性地评估了治疗前景——从选择性清除衰老细胞到调节衰老程序的新策略——强调了它们的前景和当前的局限性。尽管临床前结果普遍看好,但老年疗法的临床转化面临着重大障碍,包括衰老的异质性、缺乏特异性生物标志物和潜在的脱靶效应。通过新兴技术克服这些挑战对于利用衰老作为慢性肝病的新治疗轴至关重要。
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引用次数: 0
Generative AI for Urban Planning and Design: Progress Review and Future Perspectives 城市规划与设计的生成式人工智能:进展回顾与未来展望
IF 12.8 1区 工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY Pub Date : 2026-03-05 DOI: 10.1016/j.eng.2026.03.001
Chao Liu, Guoqing Li, Chengcheng Huang, Otthein Herzog, Helge Ritter, Shengxin Ma, Yu Ye
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引用次数: 0
Boosting Fosfomycin Efficacy Against Methicillin-Resistant Staphylococcus aureus Infections by Targeting Pyrimidine Metabolism 以嘧啶代谢为靶点提高磷霉素抗耐甲氧西林金黄色葡萄球菌感染的疗效
IF 12.8 1区 工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY Pub Date : 2026-03-04 DOI: 10.1016/j.eng.2026.01.025
Jianya Luo, Qingyan Lv, Mengping He, Zhiqiang Wang, Yuan Liu
Methicillin-resistant Staphylococcus aureus (MRSA) represents a significant global public health threat. Combination therapy, particularly the use of antibiotics in conjunction with non-antibiotic agents, has emerged as a promising strategy to address the growing crisis of antibiotic resistance. Fosfomycin (FOS), increasingly utilized in clinical practice for treating drug-resistant bacterial infections, exhibits limited efficacy as a monotherapy. Here, we find that 5-fluorouracil (5-FU), a Food and Drug Administration (FDA)-approved anticancer drug, effectively enhances the antibacterial activity of FOS against MRSA, including biofilm-embedded MRSA cells. Mechanistically, 5-FU targets cytidine triphosphate (CTP) synthase, a rate-limiting enzyme responsible for the adenosine triphosphate (ATP)-dependent conversion of uridine triphosphate (UTP) to CTP. Moreover, we demonstrate that the synergistic effect of 5-FU and FOS arises from the perturbation of pyrimidine metabolism, which induces membrane damage, dissipation of the proton motive force (PMF), enhanced ATP synthesis, and accumulation of reactive oxygen species, culminating in bacterial death. In both Galleria mellonella (G. mellonella) and murine infection models, the combination of 5-FU and FOS markedly improves survival and reduces bacterial burdens. Collectively, our work demonstrates the therapeutic potential of 5-FU combined with FOS for tackling MRSA infections and highlights the pivotal role of perturbing pyrimidine metabolism in restoring antibiotic susceptibility.
耐甲氧西林金黄色葡萄球菌(MRSA)是一个重大的全球公共卫生威胁。联合治疗,特别是抗生素与非抗生素药物联合使用,已成为解决日益严重的抗生素耐药性危机的一种有希望的策略。磷霉素(FOS)在临床实践中越来越多地用于治疗耐药细菌感染,但作为单一疗法,其疗效有限。本研究发现,美国食品和药物管理局(FDA)批准的抗癌药物5-氟尿嘧啶(5-FU)可有效增强FOS对MRSA(包括生物膜嵌入的MRSA细胞)的抗菌活性。机制上,5-FU靶向胞苷三磷酸(CTP)合成酶,这是一种限速酶,负责三磷酸腺苷(ATP)依赖性尿苷三磷酸(UTP)向CTP的转化。此外,我们证明了5-FU和FOS的协同效应源于嘧啶代谢的扰动,这会导致膜损伤、质子动力(PMF)的耗散、ATP合成的增强和活性氧的积累,最终导致细菌死亡。在mellonella Galleria (G. mellonella)和小鼠感染模型中,5-FU和FOS联合使用可显著提高存活并减少细菌负荷。总之,我们的工作证明了5-FU联合FOS治疗MRSA感染的潜力,并强调了干扰嘧啶代谢在恢复抗生素敏感性中的关键作用。
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引用次数: 0
Upcycling and Redesigning of Polyolefins 聚烯烃的升级回收与再设计
IF 12.8 1区 工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY Pub Date : 2026-03-04 DOI: 10.1016/j.eng.2025.03.042
Min Chen, Guifu Si, Changle Chen
Polyolefins were first commercialized in the 1930s by Imperial Chemical Industries (ICI) and were applied as underwater cable coatings. After almost a century of development, polyolefins have become one of the most widely used synthetic polymers, accounting for almost half of all global plastics production [1]. Due to their many superior properties, they have found many everyday applications, but their annual production and widespread usage in single-use packaging have made them a major component of post-consumer plastic waste [2]. Polyolefins are indispensable in the modern chemical industry and society, and their global market size is expected to grow rapidly in the foreseeable future. However, the current linear production and consumption of polyolefins is unsustainable and has created a serious environmental burden. Traditional recycling of polyolefins is performed via either mechanical recycling or pyrolysis. Mechanical recycling has been the dominant polyolefin recycling strategy, but side reactions including degradation and crosslinking seriously damage material properties, leading to products with lower quality compared with the original materials. Pyrolysis also faces many issues such as low energy efficiency, poor product selectivity, and environmental pollution. Due to the limitations of these two strategies, novel recycling strategies or the redesigning of polyolefins are highly desirable.
聚烯烃在20世纪30年代由帝国化学工业公司(ICI)首次商业化,并应用于水下电缆涂层。经过近一个世纪的发展,聚烯烃已成为应用最广泛的合成聚合物之一,几乎占全球塑料总产量的一半。由于它们的许多优异性能,它们已经发现了许多日常应用,但它们的年产量和在一次性包装中的广泛使用使它们成为消费后塑料废物的主要组成部分。聚烯烃是现代化学工业和社会不可缺少的原料,在可预见的未来,其全球市场规模有望快速增长。然而,目前聚烯烃的线性生产和消费是不可持续的,并造成了严重的环境负担。传统的聚烯烃回收是通过机械回收或热解进行的。机械回收一直是聚烯烃回收的主要策略,但降解和交联等副反应严重破坏了材料的性能,导致产品质量低于原材料。热解还面临着能源效率低、产物选择性差、环境污染等问题。由于这两种策略的局限性,新的回收策略或重新设计聚烯烃是非常可取的。
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引用次数: 0
XiangShu Omics: A Framework Based on the Spatio–Temporal Field Rhythms of Human Life and Systems Intelligence Methodology 香树组学:基于人类生命时空场节奏的框架与系统智能方法论
IF 12.8 1区 工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY Pub Date : 2026-03-03 DOI: 10.1016/j.eng.2026.02.018
Hongyu Wang, Chunchun Yuan, Haitao Zhang, Xiaoyun Wang, Haifeng Jia, Furui Fu, Xichen Tang, Jiarui Cui, Jiangxun Ji, Senjie Shi, Hongbin Xu, Jinni Hong, Tianpeng Liu, Junhao Liang, Mengting Yuan, Xiaomei Liu, Qianqian Liang, Dezhi Tang, Qi Shi, Yongjun Wang
This review is the first to systematically propose and construct XiangShu (image–number) omics (XSO) that inherits the ecological values, epistemology, and methodology of traditional Chinese medicine (TCM), and absorbs modern mathematical sciences. We reposition XSO as a “promising research paradigm” rather than a definitive solution, serving as an exploratory computational bridge to address the epistemological chasm. By integrating the four diagnostic methods of TCM with cutting-edge multimodal technologies spanning acoustics, optics, thermodynamics, mechanics, electromagnetism, and magnetism, Xiang omics is established based on multiscale phenotypic data ranging from astronomical and geographical parameters to human macro-, meso-, and micro-level physiological characteristics. The Xiang data are then computed into Shu (number) Omics using classical TCM numerology and modern artificial intelligence. Shu omics contains two tiers of models. The small model aims to elucidate Yin–Yang dynamics conceptualized as a mathematical classification model; the progression from pre-disease to disease to recovery modeled via Shannon entropy-based predictive frameworks; the five-element relationships represented through complex functional equations. The large model integrates large language models (LLMs) based on the classical therapeutic logic of principle–method–formula–medicine, such as the Shu-Zhi Qihuang large model. Both models work together to support intelligent reasoning and system-level knowledge synthesis. Driven by the dual engines of data-intensive and experience-driven “blind computation” and “directed inference,” XSO enables a panoramic decoding of human life rhythms across temporal, spatial, and field dimensions, thereby inform clinical decision-making and precision-oriented interventions in TCM.
本文首次系统地提出并构建了“象数组学”,它继承了中医的生态价值、认识论和方法论,并吸收了现代数学科学。我们将XSO重新定位为“有前途的研究范式”,而不是一个确定的解决方案,作为解决认识论鸿沟的探索性计算桥梁。通过将中医四种诊断方法与声学、光学、热力学、力学、电磁学和磁学等前沿多模态技术相结合,基于从天文、地理参数到人体宏观、中观和微观生理特征的多尺度表型数据,建立了湘组学。然后使用经典中医命理学和现代人工智能将Xiang数据计算成Shu(数)组。树组学包含两层模型。小模型旨在阐明阴阳动力学的概念,作为一个数学分类模型;通过基于香农熵的预测框架建模从疾病前期到疾病再到康复的过程;用复杂的函数方程表示五行关系。大模型集成了基于原理-方法-方剂-医学的经典治疗逻辑的大语言模型(llm),如疏直奇黄大模型。这两个模型一起工作以支持智能推理和系统级知识综合。在数据密集型和经验驱动的“盲计算”和“定向推理”双引擎的驱动下,XSO能够跨越时间、空间和领域维度对人类生命节律进行全景解码,从而为中医临床决策和精准干预提供信息。
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引用次数: 0
Hydrogenolysis Versus Hydrocracking for Polyolefin Upcycling 聚烯烃升级回收的氢解与加氢裂化
IF 12.8 1区 工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY Pub Date : 2026-03-03 DOI: 10.1016/j.eng.2025.12.041
Ruoxi Zhang, Aaron D. Sadow, Wenyu Huang
Global plastic production has reached 413.8 million metric tons in 2024 [1] and is forecasted to surpass 1.2 billion metric tons by 2050 [2], [3]. Polyolefins, mainly polyethylene (PE) and polypropylene (PP), dominate single-use packaging and account for approximately 55% of global plastic waste [2]. The chemical inertness that makes these materials desirable for commercial applications also renders them persistent in the environment [3].
到2024年,全球塑料产量已达到4.138亿吨,预计到2050年将超过12亿吨。聚烯烃,主要是聚乙烯(PE)和聚丙烯(PP),主导着一次性包装,约占全球塑料废物的55%。化学惰性使这些材料适合商业应用,也使它们在环境中具有持久性。
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引用次数: 0
A Surface Quality Evaluation Method for Establishing Image-Surface Causal Chain in X-ray Computed Tomography Measurement x射线计算机断层扫描测量中建立像面因果链的表面质量评价方法
IF 12.8 1区 工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY Pub Date : 2026-03-03 DOI: 10.1016/j.eng.2025.12.042
Xiao Chen, Shan Lou, Wenhan Zeng, Paul Scott, Xiangqian Jiang, Wenjuan Sun
Ensuring reliable measurement quality in X-ray computed tomography (XCT) dimensional metrology remains challenging, because the complete causal chain—from XCT influencing factors, through image quality, to final surface quality—has not yet been established. A key gap is the absence of a surface quality evaluation method with metrics directly linked to image quality metrics. This paper addresses that gap by introducing such a method which determines the metrological structural resolution (MSR), a critical resolution metric for XCT dimensional metrology. The method computes the two-dimensional surface amplitude transfer function (SATF) to evaluate XCT systematic and random errors and also to identify the measurable scale limit. The MSR can then be determined by either the permissible systematic error or the measurable scale limit. By providing metrics that map surface systematic error, random error and MSR onto image blur, noise and resolution, the proposed method effectively completes the XCT causal chain and enhances the understanding of how XCT influencing factors affect measurement quality.
确保x射线计算机断层扫描(XCT)尺寸测量的可靠测量质量仍然具有挑战性,因为完整的因果链-从XCT影响因素,通过图像质量,到最终表面质量-尚未建立。一个关键的差距是缺乏与图像质量指标直接相关的表面质量评估方法。本文介绍了一种确定XCT尺寸计量的关键分辨率指标——计量结构分辨率(MSR)的方法,解决了这一问题。该方法通过计算二维表面振幅传递函数(SATF)来评估XCT的系统误差和随机误差,并确定可测量的尺度极限。然后,MSR可以通过允许的系统误差或可测量的尺度极限来确定。该方法通过提供将表面系统误差、随机误差和MSR映射到图像模糊、噪声和分辨率上的度量,有效地完成了XCT因果链,增强了对XCT影响因素如何影响测量质量的理解。
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引用次数: 0
Causality and Equipment Structure Enhanced Maintenance Plan Recommendation with Knowledge Graph Integration 基于知识图集成的因果关系和设备结构改进维修计划推荐
IF 12.8 1区 工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY Pub Date : 2026-02-18 DOI: 10.1016/j.eng.2025.11.036
Yanying Wang, Ying Cheng, Qinglin Qi, Zhiheng Zhao, George Q. Huang, Stefan Pickl, Fei Tao
Recommending maintenance plans presents significant challenges due to the low standardization of maintenance records and unclear pathways for identifying appropriate plans. While knowledge graphs have been extensively researched for integrating and evolving maintenance data, these issues hinder the accurate recommendation of maintenance solutions within large-scale maintenance knowledge systems. This paper proposes a causality and equipment structure enhanced maintenance plan matching and recommendation (CEE-MPMR) method to address these challenges. The method leverages an unsupervised SimCSE model to normalize domain vocabulary in the absence of domain lexicon, and proposes a maintenance plan reasoning method based on RotatE cc. The proposed method achieves a maintenance plan matching accuracy of 90.80%, effectively improving the precision of maintenance plan recommendations. Finally, we applied and validated the approach on real-world data from a nuclear power enterprise and integrated the algorithm into a maintenance plan recommendation system, supporting intelligent analysis and decision-making for nuclear complex equipment maintenance.
由于维护记录的低标准化和确定适当计划的途径不明确,建议维护计划提出了重大挑战。虽然知识图已经被广泛研究用于集成和发展维护数据,但这些问题阻碍了在大规模维护知识系统中准确推荐维护解决方案。本文提出了一种基于因果关系和设备结构增强的维修计划匹配与推荐(CEE-MPMR)方法来解决这些问题。该方法利用无监督SimCSE模型在缺乏领域词汇的情况下对领域词汇进行规范化,提出了一种基于RotatE cc的维修计划推理方法,该方法的维修计划匹配精度达到90.80%,有效提高了维修计划推荐的精度。最后,在某核电企业实际数据上进行了应用和验证,并将该算法集成到维修计划推荐系统中,为核复杂设备维修智能分析和决策提供支持。
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引用次数: 0
Gas Turbine Shortage Could Derail Data Center Expansion 燃气轮机短缺可能阻碍数据中心的扩张
IF 12.8 1区 工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY Pub Date : 2026-02-18 DOI: 10.1016/j.eng.2026.02.014
No Abstract
没有抽象的
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引用次数: 0
Advancements in Machine Learning for the Development of Cementitious Composites Toward an Intelligent and Green Lifecycle: A State-of-the-Art Review 面向智能和绿色生命周期的胶凝复合材料开发中的机器学习进展:最新进展综述
IF 12.8 1区 工程技术 Q1 ENGINEERING, MULTIDISCIPLINARY Pub Date : 2026-02-17 DOI: 10.1016/j.eng.2026.02.012
Jinyang Jiang, Junlin Lin, Lin Jin, Fengjuan Wang, Zhiyong Liu, Yingze Li, Zeyu Lu
As fundamental construction materials, cementitious composites face significant challenges under conventional development approaches, including carbon-intensive production, resource-intensive experimentation, and inefficient design processes. With the emergence of machine learning (ML) as a transformative solution to these limitations, this study presents a state-of-the-art review of existing research to highlight its potential in advancing the development of cementitious composites with intelligent and green lifecycles. The review first provides a foundational introduction to ML concepts and then proposes a novel four-quadrant classification framework to systematically organize current ML applications in the field. The ML-driven innovations integrate the component–structure–process–performance relationships of cementitious composites through sustainable material selection, effective characterization, accurate performance prediction, and optimized inverse design, collectively promoting a paradigm shift toward intelligent and green lifecycles. Furthermore, critical implementation challenges are examined across technical, methodological, and operational dimensions, together with corresponding solution strategies. This review ultimately offers both a conceptual framework and practical implementation guidelines for the development of next-generation sustainable construction materials.
作为基础建筑材料,胶凝复合材料在传统的开发方法下面临着巨大的挑战,包括碳密集型生产、资源密集型实验和低效的设计过程。随着机器学习(ML)作为这些限制的变革性解决方案的出现,本研究对现有研究进行了最新的回顾,以突出其在推进具有智能和绿色生命周期的胶凝复合材料发展方面的潜力。本文首先对机器学习概念进行了基础介绍,然后提出了一个新的四象限分类框架,以系统地组织当前该领域的机器学习应用。机器学习驱动的创新通过可持续的材料选择、有效的表征、准确的性能预测和优化的逆向设计,整合了胶凝复合材料的组件-结构-过程-性能关系,共同促进了向智能和绿色生命周期的范式转变。此外,通过技术、方法和操作维度以及相应的解决方案策略检查关键的实现挑战。这篇综述最终为下一代可持续建筑材料的发展提供了概念框架和实际实施指南。
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引用次数: 0
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