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Strategies that regulate LSD1 for novel therapeutics

Acta Pharmaceutica Sinica B 2024年第4期14卷 1494-1507页

作者： Meng li Mengge Dai bing cheng Shaotong li Enhui Guo Junwei Fu ting ma bin Yu School of Pharmaceutical Sciences&Key Laboratory of Advanced Drug Preparation Technologies Ministry of EducationZhengzhou UniversityZhengzhou 450001China College of Chemistry Zhengzhou UniversityZhengzhou 450001China Tianjian Laboratory of Advanced Biomedical Sciences Institute of Advanced Biomedical SciencesZhengzhou UniversityZhengzhou 450000China Pingyuan Laboratory State Key Laboratory of Antiviral DrugsHenan Normal UniversityXinxiang 453007China State Key Laboratory of Pharmaceutical Biotechnology Nanjing UniversityNanjing 210023China

Histone methylation plays crucial roles in regulating chromatin structure and gene transcrip-tion in epigenetic ***-specific demethylase 1(LSD1),the first identified histone de-methylase,is universally overexpressed in various ***1 dysregulation is closely associated with cancer,viral infections,and neurodegenerative diseases,etc.,making it a promising therapeutic *** LSD1 inhibitors and two small-molecule degraders(UM171 and BEA-17)have entered the clinical ***1 can remove methyl groups from histone 3 at lysine 4 or lysine 9(H3K4 or H3K9),resulting in either transcription repression or *** the roles of LSD1 in transcrip-tional regulation are well-established,studies have revealed that LSDl can also be dynamically regulated by other *** example,the expression or activity of LSD1 can be regulated by many proteins that form transcriptional corepressor complexes with ***,some post-transcriptional modifica-tions and cellular metabolites can also regulate LSD1 expression or its demethylase ***,in this review,we will systematically summarize how proteins involved in the transcriptional corepressor complex,various post-translational modifications,and metabolites act as regulatory factors for LSD1 ac-tivity.

关键词： LSD1 regulation Transcription repression Transcription activation the Corepressor complex Post-transcriptional modifications Metabolites

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The application of very high resolution satellite image in urban vegetation cover investigation:a case study of Xiamen City

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Journal of Geographical Sciences 2003年第3期13卷 265-270页

作者： cheng chengqi,li bin,ma ting(Institute of Remote Sensing & GIS, Peking University, Beijing 100871, China) Institute of Remote Sensing & GIS Peking University Beijing China

With the technological improvements of satellite sensors, we will acquire more information about the earth so that we have reached a new application epoch of observation on earth environmental change and cartography. But with the enhancement of spatial resolution, some questions have arisen in the application of using traditional image processing and classification methods. Aiming for such questions, we studied the application of IKONOS very high resolution image (1 m) in Xiamen City on Urban Vegetation Cover Investigation and discussed the difference between the very high resolution image and traditional low spatial resolution image at classification, information abstraction etc. It is an advantageous test for the large-scale application of very high resolution data in the future.

关键词： high resolution remote sensing vegetation cover investigation

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A review on graphite surface modification methods towards low carbon-containing refractories

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Journal of Iron and Steel Research International 2024年第6期31卷 1291-1303页

作者： ting-ting Zhang Jun Ding Bei-yue ma Zheng-long liu Chao Yu cheng-ji Deng The State Key Laboratory of Refractories and Metallurgy Wuhan University of Science and TechnologyWuhan 430081HubeiChina School of Metallurgy Northeastern UniversityShenyang 110819LiaoningChina

The rapid development of iron and steel metallurgy technology has promoted the continuous innovation and iteration of carbon-containing refractories for clean steel *** meet the high-quality requirements for clean steel production and full exploit the performance advantages of carbon-containing refractories in dynamic smelting environment,it is necessary to explore the role of graphite and modified graphite in carbon-containing *** on this,graphite surface modification methods,including surfactants,surface oxidation,and surface coating,and their applications in carbon-containing refractories are *** advantages and disadvantages of each method are analyzed for practical ***,combined with the existing problems,the application prospect of improved graphite in carbon-containing refractories is discussed.

关键词： Graphite Carbon-containing refractory Clean steel Surface modification Service performance

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Causal Analysis Between Rice Growth and Cadmium Accumulation and Transfer under Arbuscular Mycorrhizal Inoculation

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Rice science 2024年第2期31卷 226-236页

作者： ZHAO ting WANG li YANG Jixian ma Fang State Key Laboratory of Urban Water Resource and Environment School of EnvironmentHarbin Institute of TechnologyHarbin 150090China

Cadmium(Cd)contamination in rice has been a serious threat to human *** investigate the effects of arbuscular mycorrhizal fungi(AMF)on the Cd translocation in rice,a controlled pot experiment was *** results indicated that AMF significantly increased rice biomass,with an increase of up to 40.0%,particularly in root biomass by up to 68.4%.Notably,the number of prominent rice individuals also increased,and their plasticity was enhanced following AMF *** led to an increase in the net photosynthetic rate and antioxidant enzyme activity of *** the AMF treatment group,the Cd concentration in the rice roots was significantly higher(19.1%‒68.0%)compared with that in the control ***,the Cd concentration in the rice seeds was lower in the AMF treatment group,indicating that AMF facilitated the sequestration of Cd in rice roots and reduced Cd accumulation in the *** coefficients varied across different treatments,suggesting that AMF inoculation reduced the direct impact of soil Cd concentration on the total Cd accumulation in *** translocation of Cd was consistently associated with simultaneous growth dilution and compensatory accumulation as a result of mycorrhizal *** study quantitatively analyzed this process through path analysis and clarified the causal relationship between rice growth and Cd transfer under the influence of AMF.

关键词： cadmium transfer dilution effect heavy metal immobilization mycorrhizal effect path analysis phenotypic plasticity

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Analysis of piezoelectric semiconductor fibers under gradient temperature changes

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Applied mathematics and Mechanics(English Edition) 2024年第2期45卷 311-320页

作者： Shuangpeng li Ruoran cheng Nannan ma Chunli ZHANG Department of Engineering Mechanics Zhejiang UniversityHangzhou 310027China

Piezoelectric semiconductors(PSs)possess both semiconducting properties and piezoelectric coupling effects,making them optimal building blocks for semiconductor *** fiber-like structures have wide applications in multi-functional semiconductor *** this paper,a one-dimensional(1D)theoretical model is established to describe the piezotronic responses of a PS fiber under gradient temperature *** theoretical model aims to explain the mechanism behind the resistance change caused by such gradient temperature *** results demonstrate that a gradient temperature change significantly affects the physical fields within the PS fiber,and can induce changes in its surface *** provides important theoretical guidance on the development of piezotronic devices that are sensitive to temperature effects.

关键词： piezoelectric semiconductor(PS)fiber one-dimensional(1D)model piezotronic effect gradient temperature change

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Cucurbit[n]uril-based nanostructure construction and modification

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Chinese Chemical Letters 2024年第8期35卷 138-148页

作者： lijun mao Shuo li Xin Zhang Zhan-ting li Da ma School of Pharmaceutical Engineering&Institute for Advanced Studies Taizhou UniversityJiaojiang 318000China Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional Molecules Shanghai Institute of Organic ChemistryChinese Academy of SciencesShanghai 200032China Department of Chemistry Shanghai Key Laboratory of Molecular Catalysis and Innovative MaterialsFudan UniversityShanghai 200438China

New fabrication method of nanostructures is of great importance for the applications of nanoscience and *** review summarizes cucurbit[n]uril(CB[n])-based nanostructure fabrication and modification *** strategies include the use of CB[n]s as building blocks and supramolecular crosslinkers to fabricate nanostructures,to surface modify nanostructures,and as gatekeepers to control the release of encapsulated *** nanostructures are used for drug delivery,bioimaging,chemical sensing,catalysis and other ***[n]s often play a vital role in the fabrication of these nanos-tructures,and the realization of the applications.

关键词： Cucurbit[n]uril Nanostructure Host-guest interaction Nanofabrication

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Silencing of Jumonji domain-containing 1C inhibits the osteogenic differentiation of bone marrow mesenchymal stem cells via nuclear factor-κB signaling

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World Journal of Stem Cells 2024年第2期16卷 151-162页

作者： Jing-Yi li ting-ting Wang li ma Yu Zhang Di Zhu Department of Medical Cosmetology Beijing Tiantan HospitalCapital Medical UniversityBeijing 100070China Department of General Gerontology The First Affiliated Hospital of Zhengzhou UniversityZhengzhou 450052Henan ProvinceChina Department of Plastic Surgery China-Japan Friendship HospitalBeijing 100029China Senior Department of Hematology The Fifth Medical CentreGeneral Hospital of Chinese People’s Liberation ArmyBeijing 100071China Department of Orthopaedic Surgery Beijing Tiantan HospitalCapital Medical UniversityBeijing 100070China

BACKGROUND Osteoporosis is a common metabolic bone disorder induced by an imbalance between osteoclastic activity and osteogenic *** osteoporosis,bone mesenchymal stem cells(BMSCs)exhibit an increased ability to differentiate into adipocytes and a decreased ability to differentiate into osteoblasts,resulting in bone *** domain-containing 1C(JMJD1C)has been demonstrated to suppress *** To examine the effect of JMJD1C on the osteogenesis of BMSCs and the potential underlying *** BMSCs were isolated from mouse bone marrow *** Red O staining,Alizarin red staining,alkaline phosphatase staining and the expression of adipo-genic and osteogenic-associated genes were assessed to determine the differen-tiation of *** marrow-derived macrophages(BMMs)were incubated with receptor activator of nuclear factor-kappaΒligand to induce osteoclast differentiation,and osteoclast differen-tiation was confirmed by tartrate-resistant acid phosphatase *** related genes were measured via reverse transcription coupled to the quantitative polymerase chain reaction and western ***-linked immunosorbent assays were used to measure the levels of inflammatory cytokines,including tumor necrosis factor alpha,interleukin-6 and interleukin-1 *** The osteogenic and adipogenic differentiation potential of BMSCs isolated from mouse bone marrow samples was ***1C mRNA and protein expression was upregulated in BMSCs after osteoblast induction,while p-nuclear factor-κB(NF-κB)and inflammatory cytokines were not significantly *** of JMJD1C repressed osteogenic differentiation and enhanced NF-κB activation and inflammatory cytokine release in ***,JMJD1C expression decreased during BMM osteoclast *** The JMJD1C/NF-κB signaling pathway is potentially involved in BMSC osteogenic differentiation and may play vital roles in the pathogenesis of osteoporosis.

关键词： Osteoporosis Mesenchymal stem cells Osteogenesis Jumonji domain-containing 1C Nuclear factor-κB

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Multi-functional metasurface:ultra-wideband/multi-band absorption switching by adjusting guided-mode resonance and local surface plasmon resonance effects

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Communications in Theoretical Physics 2024年第6期76卷 174-184页

作者： Wenxin li Shubo cheng Huafeng Zhang Zao Yi bin Tang Can ma Pinghui Wu Qingdong Zeng Rizwan Raza School of Physics and Optoelectronic Engineering Yangtze UniversityJingzhouHubei 434023China Joint Laboratory for Extreme Conditions matter Properties Southwest University of Science and TechnologyMianyang 621010China School of Chemistry and Chemical Engineering Jishou UniversityJishou 416000China School of Microelectronics and Control Engineering Changzhou UniversityChangzhou 213164China Department of Oncology Sichuan Science City HospitalMianyangSichuan Province 621000China Office of Science and Technology Quanzhou Normal UniversityQuanzhou 362000China School of Physics and Electronic-information Engineering Hubei Engineering UniversityXiaogan 432000China Department of Physics COMSATS Institute of Information Technology 54000 LahorePakistan

This study introduces an innovative dual-tunable absorption film with the capability to switch between ultra-wideband and narrowband *** manipulating the temperature,the film can achieve multi-band absorption within the 30-45 THz range or ultra-wideband absorption spanning 30-130 THz,with an absorption rate exceeding ***,the structural parameters of the absorption film are optimized using the particle swarm optimization(PSO)algorithm to ensure the optimal absorption *** absorption response of the film is primarily attributed to the coupling of guided-mode resonance and local surface plasmon resonance *** film's symmetric structure enables polarization incoherence and allows for tuning through various means such as doping/voltage,temperature and structural *** the case of a multi-band absorption response,the film exhibits good sensitivity to refractive index changes in multiple absorption ***,the absorption spectrum of the film remains effective even at large incidence angles,making it highly promising for applications in fields such as biosensing and infrared stealth.

关键词： PSO optimization ultra-wideband/narrowband absorption switching intelligent absorption film vanadium dioxide

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Higher intakes of lysine,threonine and valine are inversely associated with non-alcoholic fatty liver disease risk:a community-based case-control study in the Chinese elderly

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Food Science and Human Wellness 2024年第1期13卷 191-197页

作者： Xueqi li Wenjun ma ting Yang Chong Wang Wei Zhang Hui li ting Zhao Xiaofei Guo Institute of Nutrition&Health School of Public HealthQingdao UniversityQingdao 260071China Affiliated Hospital of Qingdao University Qingdao 260071China

The associations of individual amino acid with non-alcoholic fatty liver disease(NAFLD)risk remained *** present study aimed to investigate the associations between the two in the Chinese ***:A community-based health check-up program was conducted in Qingdao,*** was diagnosed by ultrasonography accompanied by epidemiological *** dietary intakes of amino acids were investigated with 3-day,24-h dietary records and calculated by Nutrition Calculator *** cubic spline model was used to evaluate a nonlinear relationship between amino acid intake and NAFLD ***:400 NAFLD subjects were identified,and 400 participants were randomly selected as controls and matched by gender and age(±3 years)Dose-response analysis showed that 1000 mg increment of aromatic amino acids(AAAs)was associated with reduced 16%risk of *** increments of 750 mg/d threonine,950 mg/d valine,or 1700 mg/d lysine were associated with a 20%reduction in the NAFLD risk(all P for linearityting against NAFLD in the elderly.

关键词： Amino acid Non-alcoholic fatty liver disease Senior citizen Dose-response analysis

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Clinical nursing value of predictive nursing in reducing complications of pregnant women undergoing short-term massive blood transfusion during cesarean section

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World Journal of Clinical Cases 2024年第1期12卷 51-58页

作者： li cheng li-Ping li Yuan-Yuan Zhang Fang Deng ting-ting Lan Department of Obstertrics Wuhan Third HospitalWuhan 430000Hubei ProvinceChina Department of Gynaecology Wuhan No.1 HospitalWuHan 430030Hubei ProvinceChina Center for Reproductive Medicine Department of Obstetrics and GynecologySichuan Provincial People's HospitalSchool of MedicineUniversity of Electronic Science and Technology of ChinaChengdu 610072Sichuan ProvinceChina

BACKGROUND Cesarean hemorrhage is one of the serious complications,and short-term massive blood transfusion can easily cause postoperative infection and physical stress ***,predictive nursing intervention has important clinical significance for *** To explore the effect of predictive nursing intervention on the stress response and complications of women undergoing short-term mass blood transfusion during cesarean section(CS).METHODS A clinical medical record of 100 pregnant women undergoing rapid mass blood transfusion during sections from June 2019 to June *** to the different nursing methods,patients divided into control group(n=50)and observation group(n=50).Among them,the control group implemented routine nursing,and the observation group implemented predictive nursing intervention based on the control ***,compared the differences in stress res-ponse,complications,and pain scores before and after the nursing of pregnant women undergoing rapid mass blood transfusion during *** The anxiety and depression scores of pregnant women in the two groups were significantly improved after nursing,and the psychological stress response of the observation group was significantly lower than that of the control group(PmaP)of the observation group during delivery were lower than those of the control group,and the maP at the end of delivery was lower than that of the control group(Plications such as skin rash,urinary retention,chills,diarrhea,and anaphylactic shock in the observation group were 18%,which significantly higher than in the control group(4%)(Plieve the pain,reduce the incidence of complications,improve mood and stress response,and serve as a

关键词： Predictive care Rapid mass blood transfusion Cesarean section Stress response Complications

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