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Gut microbiota remodeling drived by dietary millet protein prevents the metabolic syndrome

Food Science and Human Wellness 2024年第4期13卷 1987-2001页

作者： Shuhua Shan Ruopeng Yin Jiangying Shi Lizhen Zhang Jiaqi Zhou Qinqin Qiao Xiushan Dong wenjing zhao Zhuoyu Li Institute of Biotechnology Key Laboratory of Chemical Biology and Molecular Engineering of National Ministry of EducationShanxi UniversityTaiyuan 030006China School of Life Science Shanxi UniversityTaiyuan 030006China Shanxi Bethune Hospital Shanxi Academy of Medical SciencesTongji Shanxi HospitalThird Hospital of Shanxi Medical UniversityTaiyuan 030032China Department of Biology Biological Science and Technology CollegeTaiyuan Normal UniversityJinzhong 030619China

Metabolic syndrome(Met S)is a chronic disease associated with the disturbance of gut microbiota homeostasis.Metabolites derived from gut microbes play essential roles in Met S prevention and therapy.Here,we focused on the inhibitory effect of the extract of millet bran protein(EMBP)on a high-fat diet(HFD)-induced Met S,aiming to identify gut microbiota and their metabolites that involve in the anti-Met S activity of EMBP.The obesity,chronic inflammation,insulin resistance in Met S mouse models were abolished after EMBP treatment.The protective mechanism of EMBP against HFD-induced Met S may depend on improved gut barrier function.Using microbiome analysis,we found that EMBP supplementation improved gut microbiome dysbiosis in Met S mice,specifically upregulating Bacteroides acidifaciens.The fecal microbiota transplantation(FMT)also demonstrated this phenomenon.In addition,metabolomic analysis showed that EMBP mediates metabolic profiling reprogramming in Met S mice.Notably,a microbiota-derived metabolite,gamma-aminobutyric acid(GABA),is enriched by EMBP.In addition,exogenous GABA treatment produced a similar protective effect to EMBP by improving NRF2-dependent gut barrier function to protect HFDinduced Met S.The results suggest that EMBP suppress host Met S by remodeling of gut microbiota as an effective candidate for next-generation medicine food dual purpose dietary supplement to intervene in MetS.

关键词： Metabolic syndrome Gut microbiota Extract of millet bran protein Gamma-aminobutyric acid Gut barrier function

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Resilient control of flexible hypersonic vehicles against unmatched distributed faults

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Chinese Journal of Aeronautics 2024年第5期37卷 60-70页

作者： Dong zhao wenjing REN School of Artificial Intelligence Anhui UniversityHefei 230601China Key Laboratory of System Control and Information Processing Ministry of EducationShanghai Jiao Tong UniversityShanghai 200240China School of Electrical Engineering and Automation Hefei University of TechnologyHefei 230009China

This paper studies a robust fault compensation and vibration suppression problem of flexible hypersonic vehicles.The controlled plant is represented by a cascade system composed of a nonlinear Ordinary Differential Equation(ODE)and an Euler-Bernoulli Beam Equation(EBBE),in which the vibration dynamics is coupled with the rigid dynamics and suffers from distributed faults.A state differential transformation is introduced to transfer distributed faults to an EBBE boundary and a longitudinal dynamics is refined by utilizing T-S fuzzy IF-THEN rules.A novel T-S fuzzy based fault-tolerant control algorithm is developed and related stability conditions are established.The robust exponential stability and well-posedness are proved by using the modified l_(0)-semigroup based Lyapunov direct approach.A simulation study on the longitudinal dynamics of flexible hypersonic vehicles effectively verifies the validity of the developed theoretical results.

关键词： Flexible hypersonic vehicles ODE-EBBE cascade Robust exponential stability Unmatched distributed fault compensation Vibration suppression

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Covalent Triazine Framework Nanosheets:Synthesis and Energy Conversion and Storage

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Chinese Journal of Chemistry 2024年第3期42卷 301-316页

作者： zhao Liu Congxu Wang wenjing Yuan Yuxi Xu School of Materials Science & Engineering Hebei University of TechnologyTianjin300130 China School of Engineering Westlake UniversityHangzhouZhejiang310024 China

Covalent triazine framework nanosheets (CTF NSs),an emerging class of two-dimensional nanomaterials,have received great attention due to their abundant active sites,permanent porosity,molecular structural diversity,superior chemical/thermal stability,and short charge diffusion path,enabling technological breakthroughs in a myriad of applications. The forefront developments and applications of CTF NSs as photocatalysts and electrochemical electrodes have conferred superior performance and made great impact in the field of energy and advanced catalysis. This forward-looking review aims to summarize the research trends,synthesis,properties of CTF NSs and their CTF counterpart,and highlight their progress in applications with respect to energy storage and conversion devices. Finally,the current challenges and future perspectives for CTF NSs are also presented.

关键词： Covalent triazine framework Nanosheets Photocatalysis Energy storage Charge transfer

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Ultrathin two-dimensional medium-entropy oxide as a highly efficient and stable electrocatalyst for oxygen evolution reaction

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Nano Research 2024年第4期17卷 2555-2562页

作者： Guangyuan Yan Tianlu Wang Biwei zhao wenjing Gao Tong Wu Liming Ou School of Mechanical Electronic and Control EngineeringBeijing Jiaotong UniversityBeijing 100044China

Medium-entropy oxides(MEOs)with broad compositional tunability and entropy-driven structural stability,are receiving booming attention as a promising candidate for oxygen evolution reaction(OER)electrocatalysts.Meanwhile,ultrathin two-dimensional(2D)nanostructure offers extremely large specific surface area and is therefore considered to be an ideal catalyst structure.However,it remains a grant challenge to synthesize ultrathin 2D MEOs due to distinct nucleation and growth kinetics of constituent multimetallic elements in 2D anisotropic systems.In this work,an ultrathin 2D MEO(MnFeCoNi)O was successfully synthesized by a facile and low-temperature ionic layer epitaxy method.Benefiting from multi-metal synergistic effects within ultrathin 2D nanostructure,this 2D MEO(MnFeCoNi)O revealed excellent OER electrocatalytic performance with a quite low overpotential of 117 mV at 10 mA·cm^(-2) and an impressive stability for 120 h continuous operation with only 6.9%decay.Especially,the extremely high mass activity(5584.3 A·g^(-1))was three orders of magnitude higher than benchmark RuO_(2)(3.4 A·g^(-1))at the same overpotential of 117 mV.This work opens up a new avenue for developing highly efficient and stable electrocatalysts by creating 2D nanostructured MEOs.

关键词： medium-entropy oxide two-dimensional nanomaterials ionic layer epitaxy oxygen evolution reaction electrocatalysis

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Identification and validation of novel prognostic fatty acid metabolic gene signatures in colon adenocarcinoma through systematic approaches

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Oncology Research 2024年第2期32卷 297-308页

作者： HENG ZHANG wenjing CHENG HAIBO zhao WEIDONG CHEN QIUJIE ZHANG QING-QING YU Department of Laboratory Shandong Daizhuang HospitalJining272051China Jining No.1 People’s Hospital Shandong First Medical UniversityJining272000China

Colorectal cancer(CRC)belongs to the class of significantly malignant tumors found in humans.Recently,dysregulated fatty acid metabolism(FAM)has been a topic of attention due to its modulation in cancer,specifically CRC.However,the regulatory FAM pathways in CRC require comprehensive elucidation.Methods:The clinical and gene expression data of 175 fatty acid metabolic genes(FAMGs)linked with colon adenocarcinoma(COAD)and normal cornerstone genes were gathered through The Cancer Genome Atlas(TCGA)-COAD corroborating with the Molecular Signature Database v7.2(MSigDB).Initially,crucial prognostic genes were selected by uni-and multi-variate Cox proportional regression analyses;then,depending upon these identified signature genes and clinical variables,a nomogram was generated.Lastly,to assess tumor immune characteristics,concomitant evaluation of tumor immune evasion/risk scoring were elucidated.Results:A 8-gene signature,including ACBD4,ACOX1,CD36,CPT2,ELOVL3,ELOVL6,ENO3,and SUCLG2,was generated,and depending upon this,CRC patients were categorized within high-risk(H-R)and low-risk(L-R)cohorts.Furthermore,risk and age-based nomograms indicated moderate discrimination and good calibration.The data confirmed that the 8-gene model efficiently predicted CRC patients’prognosis.Moreover,according to the conjoint analysis of tumor immune evasion and the risk scorings,the H-R cohort had an immunosuppressive tumor microenvironment,which caused a substandard prognosis.Conclusion:This investigation established a FAMGs-based prognostic model with substantially high predictive value,providing the possibility for improved individualized treatment for CRC individuals.

关键词： Fatty acid metabolism Colorectal cancer Gene signatures Machine learning

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Emerging strategies for nerve repair and regeneration in ischemic stroke:neural stem cell therapy

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Neural Regeneration Research 2024年第11期19卷 2430-2443页

作者： Siji Wang Qianyan He Yang Qu wenjing Yin Ruoyu zhao Xuyutian Wang Yi Yang Zhen-Ni Guo Stroke Center Department of Neurologythe First Hospital of Jilin UniversityChangchunJilin ProvinceChina Neuroscience Research Center Department of Neurologythe First Hospital of Jilin UniversityChangchunJilin ProvinceChina Department of Breast Surgery General Surgery Centerthe First Hospital of Jilin UniversityChangchunJilin ProvinceChina

Ischemic stroke is a major cause of mortality and disability worldwide,with limited treatment options available in clinical practice.The emergence of stem cell therapy has provided new hope to the field of stroke treatment via the restoration of brain neuron function.Exogenous neural stem cells are beneficial not only in cell replacement but also through the bystander effect.Neural stem cells regulate multiple physiological responses,including nerve repair,endogenous regeneration,immune function,and blood-brain barrier permeability,through the secretion of bioactive substances,including extracellular vesicles/exosomes.However,due to the complex microenvironment of ischemic cerebrovascular events and the low survival rate of neural stem cells following transplantation,limitations in the treatment effect remain unresolved.In this paper,we provide a detailed summary of the potential mechanisms of neural stem cell therapy for the treatment of ischemic stroke,review current neural stem cell therapeutic strategies and clinical trial results,and summarize the latest advancements in neural stem cell engineering to improve the survival rate of neural stem cells.We hope that this review could help provide insight into the therapeutic potential of neural stem cells and guide future scientific endeavors on neural stem cells.

关键词： bystander effect cell replacement extracellular vesicles ischemic stroke neural stem cells neural stem cell engineering

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Ferroptosis contributes to JEV-induced neuronal damage and neuroinflammation

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Virologica Sinica 2024年第1期39卷 144-155页

作者： wenjing Zhu Qi Li Yong Yin Huanchun Chen Youhui Si Bibo Zhu Shengbo Cao Zikai zhao Jing Ye National Key Laboratory of Agricultural Microbiology Huazhong Agricultural UniversityWuhan430070China Frontiers Science Center for Animal Breeding and Sustainable Production Huazhong Agricultural UniversityWuhan430070China The Cooperative Innovation Center for Sustainable Pig Production Huazhong Agricultural UniversityWuhan430070China Hubei Hongshan Laboratory Wuhan430070China

Ferroptosis is a newly discovered prototype of programmed cell death (PCD) driven by iron-dependent phospholipid peroxidation accumulation, and it has been linked to numerous organ injuries and degenerative pathologies. Although studies have shown that a variety of cell death processes contribute to JEV-induced neuroinflammation and neuronal injury, there is currently limited research on the specific involvement of ferroptosis. In this study, we explored the neuronal ferroptosis induced by JEV infection in vitro and in vivo. Our results indicated that JEV infection induces neuronal ferroptosis through inhibiting the function of the antioxidant system mediated by glutathione (GSH)/glutathione peroxidase 4 (GPX4), as well as by promoting lipid peroxidation mediated by yes-associated protein 1 (YAP1)/long-chain acyl-CoA synthetase 4 (ACSL4). Further analyses revealed that JEV E and prM proteins function as agonists, inducing ferroptosis. Moreover, we found that treatment with a ferroptosis inhibitor in JEV-infected mice reduces the viral titers and inflammation in the mouse brains, ultimately improving the survival rate of infected mice. In conclusion, our study unveils a critical role of ferroptosis in the pathogenesis of JEV, providing new ideas for the prevention and treatment of viral encephalitis.

关键词： Japanese encephalitisvirus(JEV) Ferroptosis Neuron Lipid peroxidation Inflammatory response

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Recent progresses of exosome-liposome fusions in drug delivery

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Chinese Chemical Letters 2024年第2期35卷 107-117页

作者： Lulu Zheng Bo Hu Deyao zhao wenjing Liu Qing Liu Yuanyu Huang Shaobo Ruan School of Life Science Advanced Research Institute of Multidisciplinary ScienceSchool of Medical TechnologyKey Laboratory of Molecular Medicine and BiotherapyKey Laboratory of Medical Molecule Science and Pharmaceutics EngineeringBeijing Institute of TechnologyBeijing 100081China Department of Radiation Oncology The First Affiliated Hospital of Zhengzhou UniversityZhengzhou 450000China Beijing Key Laboratory of Drug Resistance Tuberculosis Research Beijing Tuberculosis and Thoracic Tumor Research Instituteand Beijing Chest HospitalCapital Medical UniversityBeijing 101149China

Exosomes are membrane-bound nanoscale extracellular vesicles,which produced by almost all organisms.Due to the excellent biocompatibility,long circulation time as well as low immunogenicity,exosomes as naturally-derived drug delivery carriers have experienced explosive growth over the past decades.However,issues such as insufficient loading efficiency,heterogeneous delivery efficiency,uncontrollable targeting ability,and low production limit their wide application.Recently,the emerging exosome-liposome fusion strategy has become a potential approach to solve such issues.Thus,this review mainly focuses on the currently developed exosome-liposome fusion strategy and their application in drug delivery as well as disease treatment.This review aims to shed light on the advantages of fusion strategy in drug delivery and provides a better understanding for more rational design.The current challenge and future perspective regarding their clinical translation and application will also be discussed.

关键词： Exosome Liposome Membrane fusion Drug delivery Disease treatment

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Microstructure homogeneity and mechanical properties of laser-arc hybrid welded AZ31B magnesium alloy

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Journal of Magnesium and Alloys 2024年第5期12卷 1986-1995页

作者： Yongkang Gao Kangda Hao Lianyong Xu Yongdian Han Lei zhao wenjing Ren Hongyang Jing School of Materials Science and Engineering Tianjin University Tianjin Key Laboratory of Advanced Joining Technology

Laser-arc hybrid welding of AZ31B magnesium alloy was carried out, the effects of welding parameters on weld formation, microstructure homogeneity and mechanical properties were investigated. The results showed that laser-arc hybrid welding was beneficial to improve the weld formation of magnesium alloy by inhibiting the defect of undercut and pores. The weld microstructure was mainly columnar grains neighboring the fusion line and equiaxed grains at the weld center. It was interesting that the grain size at the upper arc zone was smaller than that at the lower laser zone, with the difference mainly affected by laser power rather than welding current and welding speed. The welding parameters were optimized as laser power of 3.5 kW, welding current of 100 A and welding speed of 1.5 m/min. In this case,the weld was free of undercut and pores, and the tensile strength and elongation rate reached 252 MPa and 11.2%, respectively. Finally,the microstructure homogeneity was illustrated according to the heat distribution, and the evolution law of tensile properties was discussed basing on the weld formation and microstructure characteristics.

关键词： Magnesium alloy Laser-arc hybrid welding Microstructure homogeneity Mechanical properties

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Efficacy of Daoyin combined with lower limb robot as a comprehensive rehabilitation intervention for stroke patients: a randomized controlled trial

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Journal of Traditional Chinese Medicine 2024年第3期44卷 530-536页

作者： TIAN Haolin YANG Yuanbin ZHANG Hu zhao wenjing ZHOU Jing TIAN Jingfeng HE Long LI Xuechao SHEN Qinxuan SHUAI Mei Department of First Rehabilitation Wangjing Hospital of China Academy of Chinese Medical Sciences Department of Rehabilitation Shunyi HospitalBeijing Traditional Chinese Medicine Hospital School of Biological Science and Medical Engineering Beihang University

OBJECTIVE: To assess the effectiveness of a comprehensive rehabilitation approach combining Traditional Chinese Medicine Daoyin with lower limb robotics during the recovery phase of stroke patients.METHODS: Stroke patients meeting the specified criteria were randomly assigned to one of four groups using a random number table: Control group, Daoyin group, lower limb robot group(LLR group), and Daoyin and lower limb robot group(DLLR group). Each group received distinct treatments based on conventional rehabilitation training.The treatment duration spanned two weeks with two days of rest per week. Pre-and post-intervention assessments included various scales: Fugl-Meyer Assessment(FMA),Berg balance scale(BBS), Barthel index(BI), Fatigue Scale-14(FS-14), Pittsburgh sleep quality index(PSQI),Hamilton Anxiety Scale(HAMA), and Hamilton Depression Scale(HAMD).RESULTS: Statistically significant differences were observed in the lower limb function measured by FAM between the Control group(15 ± 5) and the DLLR group(18 ± 5)(P = 0.049). In the Barthel index, a statistically significant difference was noted between the Control group(54 ± 18) and the DLLR group(64 ± 11)(P = 0.041).Additionally, significant differences were found in the Berg balance scale between the Control group(21 ± 10)and the DLLR group(27 ± 8)(P = 0.024), as well as between the Control group(21 ± 10) and the LLR group(26 ± 10)(P = 0.048).CONCLUSION: The findings of this study suggest that the combined use of Daoyin and robotics not only enhances motor function in stroke patients but also has a positive impact on fatigue, sleep quality, and mood. This approach may offer a more effective rehabilitation strategy for stroke patients.

关键词： Daoyin lower limb robot randomized controlled trial rehabilitation stroke

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