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Neuroprotective potential for mitigating ischemia-reperfusion-induced damage

Neural Regeneration Research 2025年第8期20卷 2199-2217页

作者： Zi Ye Runqing Liu Hangxing Wang Aizhen Zuo Cen Jin Nan Wang Huiqi Sun Luqian Feng Hua Yang The Clinical medical college Guizhou Medical UniversityGuiyangGuizhou ProvinceChina Division of Infectious Diseases Department of Internal MedicinePeking Union Medical College HospitalChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina School of medical imaging Guizhou Medical UniversityGuiyangGuizhou ProvinceChina Division of Gastroenterology First Affiliated Hospital of Zhengzhou UniversityZhengzhouHenan ProvinceChina The Second Clinical medical college Lanzhou UniversityLanzhouGansu ProvinceChina Department of Neurosurgery Affiliated Hospital of Guizhou Medical UniversityGuiyangGuizhou ProvinceChina

Reperfusion following cerebral ischemia causes both structural and functional damage to brain tissue and could aggravate a patient's condition;this phenomenon is known as cerebral ischemia-reperfusion *** studies have elucidated the neuroprotective role of the sirtuin protein family(Sirtuins)in modulating cerebral ischemia-reperfusion ***,the potential of utilizing it as a novel intervention target to influence the prognosis of cerebral ischemia-reperfusion injury requires additional *** this review,the origin and research progress of Sirtuins are summarized,suggesting the involvement of Sirtuins in diverse mechanisms that affect cerebral ischemia-reperfusion injury,including inflammation,oxidative stress,blood-brain barrier damage,apoptosis,pyroptosis,and *** therapeutic avenues related to Sirtuins that may improve the prognosis of cerebral ischemia-reperfusion injury were also investigated by modulating Sirtuins expression and affecting representative pathways,such as nuclear factor-kappa B signaling,oxidative stress mediated by adenosine monophosphate-activated protein kinase,and the forkhead box *** review also summarizes the potential of endogenous substances,such as RNA and hormones,drugs,dietary supplements,and emerging therapies that regulate Sirtuins *** review also reveals that regulating Sirtuins mitigates cerebral ischemia-reperfusion injury when combined with other risk *** Sirtuins show promise as a potential target for the treatment of cerebral ischemiareperfusion injury,most recent studies are based on rodent models with circadian rhythms that are distinct from those of humans,potentially influencing the efficacy of Sirtuinstargeting drug ***,this review provides new insights into the role of Sirtuins in the pathology and treatment of cerebral ischemia-reperfusion injury.

关键词： apoptosis autophagy blood-brain barrier dietary supplements drug hormones inflammation neuroprotection oxidative stress prognosis pyroptosis reperfusion injury risk factors RNA therapeutics

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A spotlight on dosage and subject selection for effective neuroprotection: exploring the central role of mitochondria

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Neural Regeneration Research 2025年第4期20卷 1081-1082页

作者： John Mitrofanis Jonathan Stone Michael R.Hamblin Pierre Magistretti Alim-Louis Benabid Glen Jeffery Fonds Clinatec UniversitéGrenoble AlpesGrenobleFrance School of medical Science University of SydneySydneyAustralia Faculty of Health Sciences University of JohannesburgJohannesburgSouth Africa King Abdullah university of Science and Technology ThuwalSaudi Arabia Institute of Ophthalmology University College LondonLondonUK

Neurons are notoriously vulnerable cell *** the slightest change in their internal and/or external environments will cause much distress and dysfunction,leading often to their death.A range of pathological conditions,including stroke,head trauma,and neurodegenerative disease,can generate stress in neurons,affecting their survival and proper *** most neural pathologies,mitochondria become dysfunctional and this plays a pivotal role in the process of cell *** challenge over the last few decades has been to develop effective interventions that improve neuronal homeostasis under pathological *** interventions,often referred to as disease-modifying or neuroprotective,have,however,proved frustratingly elusive,at both preclinical and,in particular,clinical *** this perspective,we highlight two factors that we feel are key to the development of effective neuroprotective *** are:firstly,the choice of dose of intervention and method of application,and secondly,the selection of subjects,whether they be patients or the animal model.

关键词： protective dosage distress

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Advances in genotypic antimicrobialresistance testing: a comprehensive review

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Science China Life Sciences 2025年第01期 130-143页

作者： Boheng Duan Xianjun Zeng Junping Peng Huan Kui college of Nanchang university Department of imaging The Second Affiliated Hospital of Nanchang University NHC Key Laboratory of Systems Biology of Pathogens National Institute of Pathogen BiologyChinese Academy of Medical Sciences & Peking Union Medical College Key Laboratory of Respiratory Disease Pathogenomics Chinese Academy of Medical Sciences & Peking Union Medical College Key Laboratory of Pathogen Infection Prevention and Control (Ministry of Education) State Key Laboratory of Respiratory Health and MultimorbidityNational Institute of Pathogen BiologyChinese Academy of Medical Sciences & Peking Union Medical College

Antimicrobial resistance(AMR) represents a substantial threat to global public health, complicating the treatment of common infections and leading to prolonged illness and escalated healthcare expenses. To effectively combat AMR, timely and accurate detection is crucial for AMR surveillance and individual-based therapy. Phenotypic antibiotic resistance testing(AST) has long been considered the gold standard in clinical applications, serving as the foundation for clinical AMR diagnosis and optimized therapy. It has significantly contributed to ensuring patients′ health and the development of novel antimicrobials. Despite advancements in automated culture-based AST technologies,inherent limitations impede the widespread use of phenotypic AST in AMR surveillance. Genotypic AST technologies offer a promising alternative option, exhibiting advantages of rapidity, high sensitivity, and specificity. With the continuous advancement and expanding applications of genotypic AST technologies, such as microfluidics, mass spectrometry, and high-resolution melting curve analysis, new vigor has been injected into the development and clinical implementation of genotypic AST technologies. In this narrative review, we discuss the principles, applications, and advancements of emerging genotypic AST methods in clinical settings. The comprehensive review aims to highlight the significant scientific potential of emerging genotypic AST technologies in clinical AMR diagnosis, providing insights to enhance existing methods and explore novel approaches.

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Clinical observation of white eye distribution in patients with hyperlipidemia: an artificial intelligence digital visual examination technique

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Journal of Traditional Chinese Medicine 2025年

作者： SONG Tianli LI Haixia LIU Li'an Department of Cardiology， the Guang'anmen Hospital， China Academy of Chinese medical Sciences National college， Beijing university of Chinese Medicine

Objective: To explore the clinical observation of white eye distribution characteristics of hyperlipidemic patients based on artificial intelligence digital eye diagnosis technology. Methods: One hundred and fifty subjects were examined in the outpatient and inpatient departments of Guang'anmen Hospital of the China Academy of Traditional Chinese Medicine from 01 February 2022 to 01 February 2023， including 80 cases in the hyperlipidemic patient (HLP) group and 70 cases in the normal lipid level patient (NC) group. The two groups were collected and extracted by the artificial intelligence visual diagnostic instrument and analyzed by the MyEyeD-10 white eye shadowless imaging health intelligence analysis system. Finally， SPSS 26.0 (Version X; IBM Corp.， Armonk， NY， USA) was used for statistical processing. Results: Significant differences were noted in the scores of "spot" and "foggy" features between the two groups. Between groups， the "spot" feature score of the white eye morphology in the HLP group (11.07 ± 3.22) was higher than that in the NC group (7.50 ± 4.11) (P < 0.01). Moreover， the "foggy" feature score of the eye morphology in the HLP group (8.37 ± 2.25) was higher than that in the NC group (P < 0.01)， higher than that of the NC group (5.72 ± 1.21) (P < 0.05). There were significant differences in the "A" (stomach)， "B"， "O" (spleen)， and "M" (liver) eye-contact region scores between the two groups， and the "B"， "O" (spleen) and "M" (liver) eye-contact region scores were significantly different. The scores of the white eye channel region in the HLP group were significantly higher than those in the control group， with the "A"， "B"， and "O" regions (P < 0.01)， "M" region (P < 0.01)， "A"， "B"， "O"， and "M" region (P < 0.01). "M" zone (P < 0.05). The scores of "dull red" and "yellow" features were significantly different， and the scores of "dull red" and "yellow" colors of the white eye choroid in the HLP group were significantly higher than those in the HLP g

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Polymer-based smart fibers and textiles for wearable electronics

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Science China Technological Sciences 2025年第1期 85-120页

作者： Sanming HU Li WANG Zaixian YUAN Kun CHEN Wei PENG Hai YIN Zhijun SHI Guang YANG School of Biomedical Engineering and imaging Xianning Medical CollegeHubei University of Science and Technology college of Life Science and Technology Huazhong University of Science and Technology Wuhan Branch of the National Science Library Chinese Academy of Sciences

Smart fibers and textiles have attracted considerable interest for application in wearable devices because of their advantages of being human-friendly, lightweight, flexible, and comfortable. In addition, they are considered to have potential applications in health monitoring, energy management, and human-machine interaction systems. Polymers and polymer fibers,with excellent mechanical strength, wrinkle resistance, and heat resistance, are widely used to fabricate smart fibers and textiles. Herein, a comprehensive overview of polymer-based fibers and textiles is provided. First, we review the design principles of various polymer-based smart textiles, including textile-based sensors, energy capture and storage textiles, and computation and display textiles. Next, materials used for preparing polymer-based smart fibers, such as metals, carbon-based materials, and natural and synthetic polymers, particularly conductive polymers, are summarized. In addition, this review summarizes key technologies used for preparing smart fibers and the conventional structures of smart textiles. Furthermore, the applications of smart textiles in personal health monitoring, thermal management, energy capture and storage, and computation and displays are discussed. Finally, the current challenges, limitations, and future trends of smart fibers and textiles are discussed.

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Rational design of lipid-activatable NIR-II probes for precisely imaging atherosclerotic plaque

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Science China Chemistry 2025年

作者： Xinyu Xu Yuan Ma Hui Cao Li Xu Haoming Chen Sulai Liu Wei Sun Guosheng Song Xiaobing Zhang State Key Laboratory for Chemo/Bio-Sensing and Chemometrics College of Chemistry and Chemical EngineeringHunan University Department of Hepatobiliary Surgery/Central Laboratory Hunan Provincial People's Hospital (The First Affiliated Hospital of Hunan Normal University) Department of Cardiology the First Affiliated Hospital of Nanjing Medical University Key Laboratory of Targeted Intervention of Cardiovascular Disease Collaborative Innovation Center for Cardiovascular Disease Translational MedicineNanjing Medical University Shenzhen Research Institute of Hunan university

Atherosclerosis(AS) is a prevalent condition associated with cardiovascular and cerebrovascular diseases, featuring lipid-laden plaque; however, the insufficient resolution and low sensitivity of traditional medical imaging techniques limit their application in lipid imaging. Currently, the second near-infrared(NIR-II) fluorescence imaging offers promising sensitivity and convenience. However, existing probes have limitations in terms of signal-to-background ratio, penetration depth, and tissue scattering. Herein, we use a molecular regulatory strategy to design a lipid-activatable probe Rh-965 with high specificity and NIR-II emission for improved imaging potential in deep tissues. The potential of Rh-965 for imaging plaque lipids in mice with AS is demonstrated by localizing carotid artery plaques using NIR-II imaging. The development of more stable lipid-activated NIR-II probes can significantly enhance atherosclerosis diagnosis and facilitate in vivo imaging in deeper tissues.

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Propagation of tau and α-synuclein in the brain: therapeutic potential of the glymphatic system

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Translational Neurodegeneration 2022年第1期11卷 667-689页

作者： Douglas M.Lopes Sophie K.Llewellyn Ian F.Harrison Division of Medicine Department of ImagingCentre for Advanced Biomedical ImagingFaculty of Medical SciencesUniversity College LondonPaul O’Gorman Building72 Huntley StreetLondon WC1E 6DDUK

Many neurodegenerative diseases, including Alzheimer’s disease and Parkinson’s disease, are characterised by the accumulation of misfolded protein deposits in the brain, leading to a progressive destabilisation of the neuronal network and neuronal death. Among the proteins that can abnormally accumulate are tau and α-synuclein, which can propagate in a prion-like manner and which upon aggregation, represent the most common intracellular proteinaceous lesions associated with neurodegeneration. For years it was thought that these intracellular proteins and their accumulation had no immediate relationship with extracellular homeostasis pathways such as the glymphatic clearance system;however, mounting evidence has now suggested that this is not the case. The involvement of the glymphatic system in neurodegenerative disease is yet to be fully defined;however, it is becoming increasingly clear that this pathway contributes to parenchymal solute clearance. Importantly, recent data show that proteins prone to intracellular accumulation are subject to glymphatic clearance, suggesting that this system plays a key role in many neurological disorders. In this review, we provide a background on the biology of tau and α-synuclein and discuss the latest findings on the cell-to-cell propagation mechanisms of these proteins. Importantly, we discuss recent data demonstrating that manipulation of the glymphatic system may have the potential to alleviate and reduce pathogenic accumulation of propagation-prone intracellular cytotoxic proteins. Furthermore, we will allude to the latest potential therapeutic opportunities targeting the glymphatic system that might have an impact as disease modifiers in neurodegenerative diseases.

关键词： Glymphatic Propagation Tauopathy Synucleinopathy Clearance Aquaporin-4

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Radiomics and molecular analysis:Bridging the gap for predicting hepatocellular carcinoma prognosis

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World Journal of Clinical Cases 2025年第4期13卷 56-60页

作者： Chun-Han Cheng Wen-Rui Hao Tzu-Hurng Cheng Department of medical Education Linkou Chang Gung Memorial HospitalTaoyuan 33305TaiwanChina Division of Cardiology Department of Internal MedicineShuang Ho HospitalMinistry of Health and WelfareTaipei Medical UniversityNew Taipei 23561TaiwanChina Division of Cardiology Department of Internal MedicineSchool of MedicineCollege of MedicineTaipei Medical UniversityTaipei 11002TaiwanChina Department of Biochemistry School of MedicineCollege of MedicineChina Medical UniversityTaichung 404333TaiwanChina

This editorial examines a recent study that used radiomics based on computed tomography(CT)to predict the expression of the fibroblast-related gene enhancer of zeste homolog 2(EZH2)and its correlation with the survival of patients with hepatocellular carcinoma(HCC).By integrating radiomics with molecular analysis,the study presented a strategy for accurately predicting the expression of EZH2 from CT *** findings demonstrated a strong link between the radiomics model,EZH2 expression,and patient *** noninvasive approach provides valuable insights into the therapeutic management of HCC.

关键词： Hepatocellular carcinoma Computed tomography Radiomics Enhancer of zeste homologue 2 expression Non-invasive imaging

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Toxicity of superparamagnetic iron oxide nanoparticles: Research strategies and implications for nanomedicine

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Chinese Physics B 2013年第12期22卷 24-33页

作者：李蕾江玲玲曾云刘刚 Center for Molecular imaging and Translational Medicine School of Public Health Xiamen University Sichuan Key Laboratory of medical imaging North Sichuan Medical College

Superparamagnetic iron oxide nanoparticles （SPIONs） are one of the most versatile and safe nanoparticles in a wide variety of biomedical applications. In the past decades, considerable efforts have been made to investigate the potential adverse biological effects and safety issues associated with SPIONs, which is essential for the development of next-generation SPIONs and for continued progress in translational research. In this mini review, we summarize recent developments in toxicity studies on SPIONs, focusing on the relationship between the physicochemical properties of SPIONs and their induced toxic biological responses for a better toxicological understanding of SPIONs.

关键词： superparamagnetic iron oxide nanoparticle nanotoxicity cytotoxicity oxidative stress reactive oxygen species

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The therapeutic potential of targeting exchange protein directly activated by cyclic adenosine 3',5'-monophosphate(Epac)for central nervous system trauma

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Neural Regeneration Research 2021年第3期16卷 460-469页

作者： Alba Guijarro-Belmar Dominik Mateusz Domanski Xuenong Bo Derryck Shewan Wenlong Huang Institute of medical Sciences School of MedicineMedical Sciences&NutritionUniversity of AberdeenAberdeenUK Center for Neuroscience Surgery and TraumaQueen Mary University of LondonLondonUK Sainsbury Wellcome centre University College LondonLondonUK

Millions of people worldwide are affected by traumatic spinal cord injury,which usually results in permanent sensorimotor *** to the spinal cord leads to a series of detrimental events including ischaemia,haemorrhage and neuroinflammation,which over time result in further neural tissue ***,at chronic stages of traumatic spinal cord injury,the formation of a glial scar,cystic cavitation and the presence of numerous inhibitory molecules act as physical and chemical barriers to axonal *** is further hindered by a lack of intrinsic regrowth ability of adult neurons in the central nervous *** intracellular signalling molecule,cyclic adenosine 3′,5′-monophosphate(cAMP),is known to play many important roles in the central nervous system,and elevating its levels as shown to improve axonal regeneration outcomes following traumatic spinal cord injury in animal ***,therapies directly targeting cAMP have not found their way into the clinic,as cAMP is ubiquitously present in all cell types and its manipulation may have additional deleterious effects.A downstream effector of cAMP,exchange protein directly activated by cAMP 2(Epac2),is mainly expressed in the adult central nervous system,and its activation has been shown to mediate the positive effects of cAMP on axonal guidance and ***,using ex vivo modelling of traumatic spinal cord injury,Epac2 activation was found to profoundly modulate the post-lesion environment,such as decreasing the activation of astrocytes and *** data with Epac2 activation also suggested functional improvement assessed by in vivo models of traumatic spinal cord ***,targeting Epac2 in traumatic spinal cord injury could represent a novel strategy in traumatic spinal cord injury repair,and future work is needed to fully establish its therapeutic potential.

关键词： astrocytes axonal regeneration cAMP central nervous system regeneration Epac glial scar microglia neuroinflammation neurons spinal cord spinal cord injury traumatic spinal cord injury

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