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Multiomics analyses of two Leonurus species illuminate leonurine biosynthesis and its evolution

Molecular Plant 2024年第1期17卷 158-177页

作者： Peng Li Meng-Xiao Yan pan Liu Dan-Jie Yang Ze-Kun He Yun Gao Yan jiang Yu Kong Xin Zhong Sheng Wu Jun Yang Hong-Xia Wang Yan-Bo Huang Le Wang Xiao-Ya Chen Yong-Hong Hu {2. Zhao Ping Xu shanghai Key Laboratory of Plant Functional Genomics and Resources Shanghai Chenshan Botanical GardenShanghai Chenshan Plant Science Research CenterChineseAcademy of SciencesShanghaiChina College of Life Sciences Shanghai Normal UniversityShanghai 200234China State Key Laboratory of Plant Molecular Genetics CAS Center for Excellence in Molecular Plant SciencesChinese Academy of SciencesShanghaiChina University of the Chinese Academy of Sciences Beijing 100049China The Research Center of Chiral Drugs Innovation Research Institute of Traditional Chinese MedicineShanghai University of Traditional Chinese Medicine1200 Cailun RoadShanghai 201203China College of chemistry and Chemical Engineering Shanghai University of Engineering ScienceShanghai 201620China

The Lamiaceae family is renowned for its terpenoid-based medicinal components,but Leonurus,which has traditional medicinal uses,stands out for its alkaloid-rich ***,the principal active compound found in Leonurus,has demonstrated promising effects in reducing blood lipids and treating ***,the biosynthetic pathway of leonurine remains largely ***,we present the chromosome-level genome sequence assemblies of Leonurus japonicus,known for its high leonurine production,and Leonurus sibiricus,characterized by very limited leonurine *** integrating genomics,RNA sequencing,metabolomics,and enzyme activity assay data,we constructed the leonurine biosynthesis pathway and identified the arginine decarboxylase(ADC),uridine diphosphate glucosyltransferase(UGT),and serine carboxypeptidase-like(SCPL)acyltransferase enzymes that catalyze key reactions in this *** analyses revealed that the UGT–SCPL gene cluster evolved by gene duplication in the ancestor of Leonurus and neofunctionalization of SCPL in ***,which contributed to the accumulation of leonurine specifically in ***,our comprehensive study illuminates leonurine biosynthesis and its evolution in Leonurus.

关键词： Lamiaceae Leonurus japonicus Leonurus sibiricus genome sequence alkaloids leonurine gene cluster biosynthetic pathway evolution

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Optimizing high-coordination shell of Co-based single-atom catalysts for efficient ORR and zinc-air batteries

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Journal of Energy chemistry 2024年第8期95卷 306-314,I0007页

作者： Yugang Qi qing Liang Kexin Song Xinyan Zhou Meiqi Liu Wenwen Li Fuxi Liu Zhou jiang Xu Zou Zhongjun Chen Wei Zhang Weitao Zheng Key Laboratory of Automobile Materials MOE School of Materials Science&Engineering Electron Microscopy Centerand International Center of Future ScienceJilin Provincial International Cooperation Key Laboratory of High-Efficiency Clean Energy MaterialsJilin UniversityChangchun 130012JilinChina institute of High Energy Physics Chinese Academy of SciencesBeijing 100049China

Atom-level modulation of the coordination environment for single-atom catalysts(SACs)is considered as an effective strategy for elevating the catalytic *** the MNxsite,breaking the symmetrical geometry and charge distribution by introducing relatively weak electronegative atoms into the first/second shell is an efficient way,but it remains challenging for elucidating the underlying mechanism of ***,a practical strategy was reported to rationally design single cobalt atoms coordinated with both phosphorus and nitrogen atoms in a hierarchically porous carbon derived from metal-organic frameworks.X-ray absorption spectrum reveals that atomically dispersed Co sites are coordinated with four N atoms in the first shell and varying numbers of P atoms in the second shell(denoted as Co-N/P-C).The prepared catalyst exhibits excellent oxygen reduction reaction(ORR)activity as well as zinc-air battery *** introduction of P atoms in the Co-SACs weakens the interaction between Co and N,significantly promoting the adsorption process of ^(*)OOH,resulting in the acceleration of reaction kinetics and reduction of thermodynamic barrier,responsible for the increased intrinsic *** discovery provides insights into an ultimate design of single-atom catalysts with adjustable electrocatalytic activities for efficient electrochemical energy conversion.

关键词： Electrocatalytic Oxygen reduction reaction Single atom catalyst Shell coordination optimization

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Experimental study of the influencing factors and mechanisms of the pressure-reduction and augmented injection effect by nanoparticles in ultra-low permeability reservoirs

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Petroleum Science 2024年第3期21卷 1915-1927页

作者： pan Wang Yu-Hang Hu Liao-Yuan Zhang Yong Meng Zhen-Fu Ma Tian-Ru Wang Zi-Lin Zhang Ji-Chao Fang Xiao-Qiang Liu qing You Yan Zhang beijing Key Laboratory of Unconventional Natural Gas Geological Evaluation and Development Engineering China University of Geosciences(Beijing)Beijing100083China School of Energy Resources China University of Geosciences(Beijing)Beijing100083China Petroleum Engineering Technology Research institute Sinopec Shengli Oilfield CompanyDongying257000ShandongChina Hekou Oil Production Plant Sinopec Shengli Oilfield CompanyDongying257200ShandongChina Petroleum Exploration and Production Research institute SINOPECBeijing102206China CNPC Engineering Technology R&D Company Limited Beijing102206China

Nanoparticles(NPs)have gained significant attention as a functional material due to their ability to effectively enhance pressure reduction in injection processes in ultra-low permeability *** are typically studied in controlled laboratory conditions,and their behavior in real-world,complex environments such as ultra-low permeability reservoirs,is not well understood due to the limited scope of their *** study investigates the efficacy and underlying mechanisms of NPs in decreasing injection pressure under various injection conditions(2.—85℃,10—2. MPa).The results reveal that under optimal injection conditions,NPs effectively reduce injection pressure by a maximum of 2..77%in core *** pressure reduction rate is found to be positively correlated with oil saturation and permeability,and negatively correlated with temperature and ***,particle image velocimetry(PIV)experiments(2.℃,atmospheric pressure)indicate that the pressure reduction is achieved by NPs through the reduction of wall shear resistance and wettability *** work has important implications for the design of water injection strategies in ultra-low permeability reservoirs.

关键词： Nanoparticle Pressure reduction Augmented injection Ultra-low permeability reservoir

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Prevalence and clinical impact of sarcopenia in liver transplant recipients:A meta-analysis

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World Journal of Gastroenterology 2024年第8期30卷 956-968页

作者： Min-Jie jiang Mu-Chen Wu Zhong-Hui Duan Jing Wu Xiao-Tong Xu Juan Li qing-Hua Meng Department of Hepatology Beijing You-An HospitalCapital Medical UniversityBeijing 100069China Department of Emergency Beijing You-An HospitalCapital Medical UniversityBeijing 100069China

BACKGROUND The prevalence of sarcopenia in patients undergoing liver transplantation(LT)remains to be determined partly because of different diagnostic *** has recently been recognized as a new prognostic factor for predicting outcomes in LT *** To estimate the prevalence of sarcopenia and evaluate its clinical effect on LT *** This systematic search was conducted in PubMed,Web of Science,Embase,and Cochrane Library for original English-language articles that investigated the prevalence and influence of sarcopenia in patients undergoing LT from database inception to November 30,*** studies of the definition of sarcopenia that estimate sarcopenia prevalence and evaluate its effect on clinical outcomes and the risk of mortality were *** Twenty-five studies involving 7760 patients undergoing LT were *** pooled prevalence of sarcopenia in patients undergoing LT was 40.7%[95%confidence intervals(95%CI):32.1-49.6].The 1-,3-,and 5-year cumulative probab-ilities of post-LT survival in patients with preoperative sarcopenia were all lower than those without sarcopenia(P2.-2.07).Patients with preoperative sarcopenia had a longer intensive care unit stay,a high risk ratio of sepsis,and serious post-LT complications than those without *** Sarcopenia is prevalent in a substantial proportion of patients undergoing LT and is strongly and independently associated with higher a risk of mortality risk.

关键词： Sarcopenia Liver transplantation Mortality Clinical outcomes

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C634Y mutation in RET-induced multiple endocrine neoplasia type 2.:A case report

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World Journal of Clinical Cases 2024年第15期12卷 2627-2635页

作者： Hui-Fen Zhang Shu-Ling Huang Wen-Li Wang Yu-qing Zhou Jun jiang Zhuo-Jin Dai Department of Endocrinology Dongguan Hospital of Guangzhou University of Chinese MedicineDongguan 523003Guangdong ProvinceChina Department of Science and Technology Services Beijing Macro and Micro Test Co.Ltd.Beijing 100318China The First Clinical Medical College Guangdong Medical UniversityZhanjiang 524023Guangdong ProvinceChina

BACKGROUND Multiple endocrine neoplasia type 2.MEN2.is a rare,autosomal dominant endocrine ***,the RET proto-oncogene is the only gene implicated in MEN2. *** an RET carrier is detected,family members should be screened to enable early detection of medullary thyroid carcinoma,pheochromocytoma,and *** these,medullary thyroid carcinoma is the main factor responsible for patient ***,delineating strategies to inform clinical follow-up and treatment plans based on genes is paramount for clinical *** SUMMARY Herein,we present RET proto-oncogene mutations,clinical characteristics,and treatment strategies in a family with MEN2..A family study was conducted on patients diagnosed with *** was extracted from the peripheral blood of family members,and first-generation exon sequencing of the RET protooncogene was *** C634Y mutation was identified in three family members spanning three *** patients were sequentially diagnosed with pheochromocytomas and bilateral medullary thyroid carcinomas.A 9-yearold child harboring the gene mutation was diagnosed with medullary thyroid *** resection of the tumors was *** family members were advised to undergo complete genetic testing related to the C634Y mutation,and the corresponding treatments administered based on test results and associated clinical *** Advancements in MEN2. research are important for familial management,assessment of medullary thyroid cancer invasive risk,and deciding surgical timing.

关键词： Multiple endocrine neoplasia type 2. Mutation RET proto-oncogene Medullary thyroid carcinoma Pheochromocytoma Case report

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Dangling Ligand Enables an Iron Hexa-Coordinated Molecular Catalyst for Water Oxidation by Photocatalysis

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CCS chemistry 2024年第3期6卷 623-630页

作者： Bing Yang Qi Liu Xiang-Zhu Wei Tao Lei qing-qing Yang Xu-Zhe Wang Jing-Xin Jian Xin {2. Chen-Ho Tung Li-Zhu Wu Key Laboratory of Photochemical Conversion and Optoelectronic Materials New Cornerstone Science LaboratoryTechnical Institute of Physics and ChemistryChinese Academy of SciencesBeijing 100190 School of Future Technology University of Chinese Academy of SciencesBeijing 100049

Photocatalytic water oxidation reaction by transition metal complexes remains a challenge because of their poor stability under irradiation,especially for earth-abundant metal *** this regard,ironbased water oxidation catalysts are prone to hydrolysis and/or dissociate the ligands to form nanoparticles under a real catalytic ***,we describe a unique hexa-coordinated catalyst 1[Fe^(II)(Py_(3)tacn)Cl_(2.]and its reference 2.Fe^(II)(PhPy_(2.tacn)Cl_(2.]with a dangling pyridyl ligand and a phenyl group,*** anticipated that the dynamically open and close coordination behaviors of the pyridyl ligand enabled balance of the reactivity and stability of catalyst *** our delight,the“open form”of catalyst 1 provided a free coordination site,and the“close form”guaranteed its molecular integrity,resulting in a water oxidation reaction with high efficiency and *** turnover number and turnover frequency values of 2.32.and 60 s^(−1)are the highest known to date among iron-based homogeneous water oxidation systems under visible light irradiation.

关键词： water oxidation photocatalysis homogeneous catalysis iron complexes dangling ligand intermediates characterization

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Expert consensus on the diagnosis and therapy of endo-periodontal lesions

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International Journal of Oral Science 2024年第3期16卷 381-389页

作者： Bin Chen Yanan Zhu Minkui Lin Yangheng Zhang Yanfen Li Xiangying Ouyang Song Ge jiang Lin Yaping pan Yan Xu Yi Ding Shaohua Ge Faming Chen Zhongchen Song Shaoyun jiang jiang Sun Lijun Luo Junqi Ling Zhi Chen Lin Yue Xuedong Zhou Fuhua Yan Department of Periodontology Nanjing Stomatological HospitalAffiliated Hospital of Medical SchoolInstitute of StomatologyNanjing UniversityNanjingChina Department of Endodontics Nanjing Stomatological HospitalAffiliated Hospital of Medical SchoolInstitute of StomatologyNanjing UniversityNanjingChina Clinical Research Center for Oral Tissue Deficiency Diseases of Fujian Province&Fujian Key Laboratory of Oral Diseases&Fujian Provincial Engineering Research Center of Oral Biomaterial School and Hospital of StomatologyFujian Medical UniversityFuzhouChina Department of Periodontology Peking University School and Hospital of Stomatology&National Center for Stomatology&National Clinical Research Center for Oral Diseases&National Engineering Research Center of Oral Biomaterials and Digital Medical DevicesBeijingChina School and Hospital of Stomatology Zunyi Medical UniversityZunyiChina Department of Stomatology Beijing TongRen HospitalCapital Medical UniversityBeijingChina Department of Periodontics School and Hospital of StomatologyChina Medical UniversityShenyangChina Department of Periodontology The Affiliated Stomatological Hospital of Nanjing Medical UniversityJiangsu Key Laboratory of Oral DiseasesNanjing Medical UniversityNanjingChina State Key Laboratory of Oral Diseases&National Center for Stomatology&National Clinical Research Center for Oral Diseases&Department of Periodontics West China Hospital of StomatologySichuan UniversityChengduChina Department of Periodontology School and Hospital of StomatologyShandong University&Shandong Key Laboratory of Oral Tissue Regeneration&Shandong Engineering Research Center of Dental Materials and Oral Tissue Regeneration&Shandong Provincial Clinical Research Center for Oral Diseases JinanJinanChina State Key Laboratory of Oral&Maxillofacial Reconstruction and Regeneration National Clinical Research Center for Oral DiseasesShaanxi International Joint Research Center for Oral DiseasesDepartment of periodontologySchool of StomatologyThe Fou

Endo-periodontal lesions (EPLs) involve both the periodontium and pulp tissue and have complicated etiologies and pathogenic mechanisms,including unique anatomical and microbiological characteristics and multiple contributing *** etiological complexity leads to difficulties in determining patient prognosis,posing great challenges in clinical ***,EPL-affected teeth require multidisciplinary therapy,including periodontal therapy,endodontic therapy and others,but there is still much debate about the appropriate timing of periodontal therapy and root canal *** compiling the most recent findings on the etiology,pathogenesis,clinical characteristics,diagnosis,therapy,and prognosis of EPL-affected teeth,this consensus sought to support clinicians in making the best possible treatment decisions based on both biological and clinical evidence.

关键词： diagnosis periodontal lesions

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Trogocytosis of CAR molecule regulates CAR-T cell dysfunction and tumor antigen escape

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Signal Transduction and Targeted Therapy 2024年第1期9卷 326-337页

作者： You Zhai Yicong Du Guanzhang Li Mingchen Yu Huimin Hu Changqing pan Di Wang Zhongfang Shi Xu Yan Xuesong Li Tao {2. Wei Zhang Department of Molecular Neuropathology Beijing Neurosurgical InstituteCapital Medical UniversityBeijingPR China Department of Neurosurgery Beijing Tiantan HospitalCapital Medical UniversityBeijingPR China Department of Urology Peking University First HospitalInstitute of UrologyPeking UniversityNational Urological Cancer CenterBeijingPR China Department of Pathophysiology Beijing Neurosurgical InstituteCapital Medical UniversityBeijingPR China china National Clinical Research Center for Neurological Diseases BeijingPR China Center of Brain Tumor Beijing Institute for Brain DisordersBeijingPR China Research Unit of Accurate Diagnosis Treatmentand Translational Medicine of Brain TumorsChinese Academy of Medical SciencesBeijingPR China Chinese Glioma Genome Atlas Network(CGGA)and Asian Glioma Genome Atlas Network(AGGA) BeijingPR China

Chimeric antigen receptor(CAR)T-cell therapy has demonstrated clinical response in treating both hematologic malignancies and solid *** instances of rapid tumor remissions have been observed in animal models and clinical trials,tumor relapses occur with multiple therapeutic resistance ***,while the mechanisms underlying the long-term therapeutic resistance are well-known,short-term adaptation remains less ***,more views shed light on short-term adaptation and hold that it provides an opportunity window for long-term *** this study,we explore a previously unreported mechanism in which tumor cells employ trogocytosis to acquire CAR molecules from CAR-T cells,a reversal of previously documented *** mechanism results in the depletion of CAR molecules and subsequent CAR-T cell dysfunction,also leading to short-term antigen loss and antigen *** type of intercellular communication is independent of CAR downstream signaling,CAR-T cell condition,target antigen,and tumor cell ***,it is mainly dependent on antigen density and CAR sensitivity,and is associated with tumor cell cholesterol *** mitigation of this trogocytosis-induced CAR molecule transfer can be achieved by adaptively administering CAR-T cells with antigen density-individualized CAR ***,our study reveals a dynamic process of CAR molecule transfer and refining the framework of clinical CAR-T therapy for solid tumors.

关键词： Together instance depletion

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Defective Nickel-Iron Layered Double Hydroxide for Enhanced Photocatalytic NO Oxidation with Significant Alleviation of NO2.Production

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Engineering 2024年第5期36卷 276-284页

作者： Xiaoyu Li Xiaoshu Lv Jian pan Peng Chen Huihui Peng Yan jiang Haifeng Gong Guangming jiang Li’an Hou Engineering Research Center for Waste Oil Recovery Technology and Equipment Ministry of EducationChongqing Technology and Business UniversityChongqing 400067China State Key Laboratory of Water Environment Simulation School of EnvironmentBeijing Normal UniversityBeijing 100875China Environmental Technology Innovation Center of Jiande Hangzhou Bertzer Catalyst Co.Ltd.Hangzhou 310058China Chongqing Key Laboratory of Green Synthesis and Application College of ChemistryChongqing Normal UniversityChongqing 401331China

Photocatalysis offers a sustainable means for the oxidative removal of low concentrations of NOx(NO,NO2.N2.,N2.5,etc.)from the *** double hydroxides(LDHs)are promising candidate photocatalysts owing to their unique layered and tunable chemical structures and abundant surface hydroxide(OH)moieties,which are hydroxyl radical(OH)***,the practical applications of LDHs are limited by their poor charge-separation ability and insufficient active ***,we developed a facile N_(2.H_(4)-driven etching approach to introduce dual Ni^(2.)and OHvacancies(Niv and OHv,respectively)into NiFe-LDH nanosheets(hereafter referred to as NiFe-LDH-et)to facilitate improved charge-carrier separation and active Lewis acidic site(Fe^(3+)and Ni^(2.)exposed at OHv)*** contrast to inert pristine LDH,NiFe-LDH-et actively removed NO under visible-light ***,Ni_(76)Fe_(2.)-LDH-et etched with 1.50 mmol·L^(-1)N_(2.H_(4)solution removed 32.8%of the NO in continuously flowing air(NO feed concentration:500 parts per billion(ppb))under visible-light illumination,thereby outperforming most reported *** and theoretical data revealed that the dual vacancies promoted the production of reactive oxygen species(O_(2.·^(-)andOH)and the adsorption of NO on the *** situ spectroscopy demonstrated that NO was preferentially adsorbed at Lewis acidic sites,particularly exposed Fe^(3+)sites,converted into NO+,and subsequently oxidized to NO3without the notable formation of the more toxic intermediate NO2.thereby alleviating risks associated with its production and emission.

关键词： Vacancie Layered double hydroxide NO+ Photocatalysis NO removal

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Supramolecular systems for bioapplications:recent research progress in china

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Science china chemistry 2024年第5期67卷 1397-1441页

作者： Yue-Yang Liu Xiao-Yong Yu Yu-Chen pan Hang Yin Shuang Chao Yujie Li He Ma Minzan Zuo Kun-Xu Teng Jun-Li Hou Yong Chen Dong-Sheng Guo Ruibing Wang Yuxin Pei Zhichao Pei jiang-Fei Xu Xiao-Yu Hu Chunju Li {2.-Zheng Yang Leyong Wang Yu Liu Zhan-Ting Li State Key Laboratory of Organometallic chemistry Key Laboratory of Synthetic and Self-Assembly Chemistry for Organic Functional MoleculesShanghai Institute of Organic ChemistryChinese Academy of SciencesUniversity of Chinese Academy of SciencesShanghai 200032China Department of chemistry Fudan UniversityShanghai 200438China College of chemistry State Key Laboratory of Elemento-Organic ChemistryCollaborative Innovation Center of Chemical Science and EngineeringNankai UniversityTianjin 300071China State Key Laboratory of Quality Research in Chinese Medicine Institute of Chinese Medical SciencesUniversity of MacaoMacao 999078China College of chemistry&Pharmacy Northwest A&F UniversityYangling 712100China Key Lab of Organic Optoelectronics&Molecular Engineering Department of ChemistryTsinghua UniversityBeijing 100084China College of Materials Science and Technology Nanjing University of Aeronautics and AstronauticsNanjing 211106China Key Laboratory of Radiopharmaceuticals Ministry of EducationCollege of ChemistryBeijing Normal UniversityBeijing 100875China Tianjin Key Laboratory of Structure and Performance for Functional Molecules College of ChemistryTianjin Normal UniversityTianjin 300387China State Key Laboratory of Analytical chemistry for Life Science Jiangsu Key Laboratory of Advanced Organic MaterialsSchool of Chemistry and Chemical EngineeringNanjing UniversityNanjing 210023China

Supramolecular systems feature dynamic,reversible and stimuli-responsive characteristics,which are not easily achieved by molecular *** last decade has witnessed tremendous advances in the investigations of supramolecular systems for various bioapplications,which include drug delivery,anticancer therapy,antibacterial therapy,photodynamic therapy,photothermal therapy,combination therapy,antidotes for residual drugs or toxins,and bioimaging and ***-guest chemistry has played a key role in the development of such bioactive supramolecular systems,and natural macrocycles(such as cyclodextrins),synthetic macrocycles(such as calixarenes,cucurbit[n]urils,and pillararenes),and porous framework polymers(such as supramolecular organic frameworks and flexible organic frameworks)have been most successfully used as hosts to build different kinds of host-guest systems for attaining designed *** self-assembly of rationally designed amphiphilic molecules,macromolecules and polymers represent another important approach for the construction of supramolecular architectures with advanced *** this review,we summarize the important contributions made by Chinese researchers in this field,with emphasis on those reported in the past five years.

关键词： host-guest chemistry drug delivery anticancer and antibacterial photodynamic therapy photothermal therapy antidote transmembrane channel bioimaging and biosensing

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