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整合素α6靶向自组装促凋亡纳米多肽对中枢神经系统急性淋巴细胞白血病的靶向治疗

Engineering 2024年第4期35卷 226-240页

作者： Jia-Cong Ye Wan-Qiong Li Mei-ling Chen Qian-Kun Shi Hua Wang Xin-ling Li Ying-He Li Jie Yang Qiao-Li Wang Fang Hu Yan-feng Gao shu-Wen Liu Mu-Sheng Zeng Guo-Kai feng Guangdong Provincial Key Laboratory of New Drug Screening&NMPA Key Laboratory of Drug Metabolism Research and Evaluation School of Pharmaceutical SciencesSouthern Medical UniversityGuangzhou 510515China State Key Laboratory of Oncology in South China&Guangdong Key Laboratory of Nasopharyngeal Carcinoma Diagnosis and Therapy Guangdong Provincial Clinical Research Center for CancerSun Yat-sen University Cancer CenterGuangzhou 510060China School of Pharmaceutical Sciences(Shenzhen) Shenzhen Campus of Sun Yat-sen UniversityShenzhen 518107China Guangdong Provincial Key Laboratory of Construction and Detection in Tissue Engineering Biomaterials Research CenterSchool of Biomedical EngineeringSouthern Medical UniversityGuangzhou 510515China State Key Laboratory of Organ Failure Research Guangdong Provincial Institute of NephrologySouthern Medical UniversityGuangzhou 510515China

There is currently no effective targeted therapeutic strategy for the treatment of central nervous system acute lymphoblastic leukemia(CNS-ALL).Integrinα6 is considered a potential target for CNS-ALL diagnosis and therapy because of its role in promoting CNS-ALL disease *** targeted peptide D(RWYD)(abbreviated RD),with nanomolar affinity to integrinα6 was identified by peptide scanning techniques such as alanine scanning,truncation,and ***,we developed a therapeutic nanoparticle based on the integrinα6-targeted peptide for treating *** self-assembled proapoptotic nanopeptide_(D)(RWYD)-_(D)(KLAKLAK)_(2)-G_(D)(FFY)(abbreviated RD-KLA-Gffy)contains the integrinα6-targeted peptide RD,the well-known proapoptotic peptide_(D)(KLAKLAK)_(2)(abbreviated KLA),and the self-assembling tetrapeptide GD(FFY)(abbreviated Gffy).The functional mechanism of RD-KLA-Gffy is clarified using different *** results demonstrate that RD-KLA-Gffy is highly enriched in CNS-ALL lesions and induces tumor cell apoptosis,thus reducing CNS-ALL disease burden and prolonging the survival of CNS-ALL mice without obvious ***,the combined use of RD-KLA-Gffy and methotrexate(MTX)shows a potent antitumor effect in treating CNS-ALL,indicating that RD-KLA-Gffy plays an important role in suppressing CNS-ALL progression either as a single agent or in combination with MTX,which shows promise for application in CNS-ALL therapy.

关键词： Central nervous system acute lymphoblastic leukemia Integrinα6 Targeted peptide Proapoptotic Nanopeptide

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A_(2)B_(7)-type La-Mg-Ni alloys prepared by Mg thermal diffusion for improved hydrogen storage performance

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Rare Metals 2024年第7期43卷 3260-3272页

作者： Yong-Xi Zhang Guan-Jiu Wu Jing Gu Hong-Xing Kang Yuan Li Di Zhou Wen-feng Wang Lu Zhang shu-Min Han Hebei Key Laboratory of Applied Chemistry School of Environmental and Chemical EngineeringYanshan UniversityQinhuangdao 066004China Department of Chemistry and Biochemistry San Diego State UniversitySan DiegoCA92182-1030USA State Key Laboratory of Metastable Materials Science and Technology Yanshan UniversityQinhuangdao 066004China

A novel approach based on thermal diffusion was used to achieve controllable Mg content in A_(2)B_(7)-type La-Mg-Ni-based *** formation mechanism of the A_(2)B_(7)-type phase as a result of the thermal diffusion process and the effect of Mg content on hydrogen storage performance were investigated.X-ray diffraction(XRD)patterns and Rietveld refinement results showed that increased Mg transformed the LaNi_(5)phase in the La_(0.74)Sm_(0.03)Y_(0.23)Ni_(4.32)Al_(0.04)precursor alloy into a superlattice *** electron microscopy(SEM)images showed that Mg was evenly distributed in the alloy *** in the superlattice significantly inhibited the phase decomposition of the superlattice structure during the hydrogen absorption/desorption *** A_(2)B_(7)-type La_(0.57)Sm_(0.02)Y_(0.18)Mg_(0.23)Ni_(3.38)Al_(0.03)alloy composed of Gd_(2)Co_(7)and Ce_(2)Ni_(7)phases was successfully *** pressure-composition isotherm profiles showed that the alloy had a hydrogen storage capacity as high as 1.73 wt%,with good cycling *** 50 cycles of hydrogen absorption/desorption,the alloy retained a hydrogen storage capacity of 1.45 wt%,with a capacity retention rate of up to 84.28%.The Mg thermal diffusion process thus provides a new approach for the controlled preparation of La-Mg-Ni-based alloys.

关键词： La-Mg-Ni-based hydrogen storage alloy A_(2)B_(7)-type superlattice alloy Mg thermal diffusion process Phase transformation Hydrogen storage property

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C634Y mutation in RET-induced multiple endocrine neoplasia type 2A: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 MEN2A *** 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 MEN2A.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 MEN2A research are important for familial management,assessment of medullary thyroid cancer invasive risk,and deciding surgical timing.

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

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Angular distribution of products in multinucleon transfer reactions

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Chinese Physics C 2024年第10期48卷 193-200页

作者： Xian-Kai Le Kuan Fan feng-Zhu Xing shu-Qing Guo Nan Wang College of Physics and Optoelectronic Engineering Shenzhen UniversityShenzhen 518060China Shenzhen Key Laboratory of Nuclear and Radiation Safety Shenzhen 518060China

A method based on the dinuclear system(DNS)is proposed to describe the angular distribution of products in multinucleon transfer(MNT)*** considering fluctuation effects,the angular distributions of reactions involving^(136)Xe+^(208)Pb,^(136)Xe+^(209)Bi,^(86)Kr+^(166)Er,^(84)Kr+^(209)Bi,and^(84)Kr+^(208)Pb are examined,demonstrating good agreement with experimental ***,the double differential cross-sections(dσ^(2)/dl_(i)dΘand dσ^(2)/dZdΘ)of reactions^(136)Xe+^(208)Pb and^(136)Xe+^(209)Bi are analyzed to explore the mechanism of angular distribution in MNT ***,the optimal angles for detecting N=126 isotopes are determined via an analysis on the influence of proton and neutron numbers of the projectiles on the angular distribution of the N=126 isotopic *** results of this study can provide valuable insights for experimental detection.

关键词： angular distribution multinucleon transfer reaction dinuclear system model neutron-rich nuclei

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Top-quark rare decays with flavor violation

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Chinese Physics C 2024年第9期48卷 68-81页

作者： Ming-Yue Liu shu-Min Zhao Song Gao Xing-Yu Han Tai-Fu feng Department of Physics Hebei UniversityBaoding 071002China Hebei Key Laboratory of High-precision Computation and Application of Quantum Field Theory Baoding 071002China Hebei Research Center of the Basic Discipline for Computational Physics Baoding 071002China Department of Physics Chongqing UniversityChongqing 401331China

In the present study,we investigated the decays of the top quark:t→cy,t→cg,t→cZ,and t→*** are extremely rare processes in the standard model(SM).As the U(1)extension of the minimal supersymmetric standard model(MSSM),the U(1)_X SSM features new superfields such as the right-handed neutrinos and three Higgs *** analyzed the effects of different sensitive parameters on the results and made reasonable theoretical predictions,thereby providing a useful reference for future experimental *** the constraint set by the updated experimental data,the numerical results show that the branching ratios of the four proccsscs,i.e.,t→cγ,cg,cZ,ch,can reach the same order of magnitude as their experimental upper *** them,tanβhas the most evident effect on these processes and is the main parameter;g_(X),g_(YX),μ,M_(2),λ_(H),M_(U23)^(2),and M_(Q23)^(2) are also important parameters for the processes,and have effects on the numerical results.

关键词： Top quark flavor violation U(1)_(X)SSM new physics

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Review on laser directed energy deposited aluminum alloys

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International Journal of Extreme Manufacturing 2024年第2期6卷 84-131页

作者： Tian-shu Liu Peng Chen feng Qiu Hong-Yu Yang Nicholas Tan Yew Jin Youxiang Chew Di Wang Ruidi Li Qi-Chuan Jiang Chaolin Tan Singapore Institute of Manufacturing Technology(SIMTech) Agency for ScienceTechnology and Research(A∗STAR)5 Cleantech LoopSingapore 636732Singapore State Key Laboratory of Automotive Simulation and Control Jilin UniversityChangchun 130025People’s Republic of China Key Laboratory of Automobile Materials Ministry of Education and Department of Materials Science and EngineeringJilin UniversityChangchun 130025People’s Republic of China School of Mechanical&Automotive Engineering South China University of TechnologyGuangzhou 510640People’s Republic of China State Key Laboratory of Powder Metallurgy Central South UniversityChangsha 410083People’s Republic of China

Lightweight aluminum(Al)alloys have been widely used in frontier fields like aerospace and automotive industries,which attracts great interest in additive manufacturing(AM)to process high-value Al *** a mainstream AM technique,laser-directed energy deposition(LDED)shows good scalability to meet the requirements for large-format component manufacturing and ***,LDED Al alloys are highly challenging due to their inherent poor printability(*** laser absorption,high oxidation sensitivity and cracking tendency).To further promote the development of LDED high-performance Al alloys,this review offers a deep understanding of the challenges and strategies to improve printability in LDED Al *** porosity,cracking,distortion,inclusions,element evaporation and resultant inferior mechanical properties(worse than laser powder bed fusion)are the key challenges in LDED Al *** parameter optimizations,in-situ alloy design,reinforcing particle addition and field assistance are the efficient approaches to improving the printability and performance of LDED Al *** underlying correlations between processes,alloy innovation,characteristic microstructures,and achievable performances in LDED Al alloys are *** benchmark mechanical properties and primary strengthening mechanism of LDED Al alloys are *** review aims to provide a critical and in-depth evaluation of current progress in LDED Al *** opportunities and perspectives in LDED high-performance Al alloys are also outlined.

关键词： additive manufacturing laser directed energy deposition(LDED) aluminum alloys printability aluminum matrix composite auxiliary fields mechanical properties

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ZnGa_(2)S_(4):an infrared nonlinear optical material with large second-harmonic generation response and wide band gap

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Rare Metals 2024年第1期43卷 395-401页

作者： Chen-Yang Zhang Xiao-Nan Niu Yan-feng Wei shu-Xing Zhou Da-Qing Yang Ying Wang Jian Wang Bing-Bing Zhang College of Chemistry and Materials Science Key Laboratory of Medicinal Chemistry and Molecular Diagnosis of the Ministry of EducationState Key Laboratory of New Pharmaceutical Preparations and ExcipientsHebei UniversityBaoding 071002China Hubei Key Laboratory of Low Dimensional Optoelectronic Materials and Devices Hubei University of Arts and ScienceXiangyang 441053China Hubei Longzhong Laboratory Xiangyang 441000China Department of Chemistry and Biochemistry Wichita State UniversityKansas 67260USA

High-performance nonlinear optical(NLO)crystals are crucial devices to convert wavelength of solid-state *** play an indispensable role in the research of infrared NLO *** this work,ternary chalcogenide ZnGa_(2)S_(4) ... 详细信息

关键词： optical nonlinear harmonic

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Left bundle branch area pacing combined with implantable cardioverter-defibrillator treatment for heart failure after myocardial infarction

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Journal of Geriatric Cardiology 2024年第5期21卷 577-582页

作者： Bing-Chen GUO Jian XU Yan-Zong LIU Guo-Qing DU Bo YU shu-feng LI Wen-Juan DU Department of Cardiology the 2nd Affiliated Hospital of Harbin Medical UniversityHarbinChina The Key Laboratory of Myocardial Ischemia Chinese Ministry of EducationHarbinChina Department of Ultrasonography Guangdong Provincial People's HospitalGuangzhouGuangdongChina

Left bundle branch area pacing(LBBAP)has emerged as a new physiological pacing *** studies have confirmed the feasibility and efficacy of LBBAP for cardiac resynchronization therapy(CRT)in heart failure(HF)patients with left bundle branch block(LBBB)and a narrower QRS duration(QRSd)to have a higher percentage of super responders,and lower pacing thresholds than biventricular pacing(BiVP).

关键词： pacing branch bundle

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Metamorphic P-T conditions and ages of garnet-biotite schists in the Dahongshan Group from the southwestern Yangtze Block

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Acta Geochimica 2024年第4期43卷 707-718页

作者： Jun-xiao Ma Guang-shu Yang Yong-feng Yan Xiao-Fei Xu Yun-hua Ren Hui Zhao Xiao-jun Zheng Yuan Qin Faculty of Land Resources Engineering Kunming University of Science and TechnologyKunming 650093China Geological Team 306 of Yunnan Non-Ferrous Metals Geological Bureau Kunming 650217China Yunnan Provincial Bureau of Non-Ferrous Geology Kunming 650051China

The Dahongshan Group,situated at the southwestern margin of the Yangtze Block,represents a geological unit characterized by relatively high-grade metamorphism in the *** paper investigates the garnet-biotite schist from the Laochanghe Formation of the Dahongshan Group,employing an integrated approach that includes petrological analysis,phase equilibrium modeling,and zircon U-Pb *** schist is mainly composed of garnet,biotite,plagioclase,quartz,rutile,and *** equilibrium modeling revealed the peak metamorphic conditions of 8-9 kbar and 635-675°*** further integrating the prograde metamorphic profile of garnet and geothermobarometric results,a clockwise P-T metamorphic evolution path is constructed,which includes an increase in temperature and pressure during the prograde ***-ICP-MS zircon U-Pb dating and zircon Ti thermometry constrains the post-peak metamorphic age of 831.2±7.2 *** with previously reported results,it is revealed that the southwestern margin of the Yangtze Block experienced a large-scale regional metamorphism during the Neoproterozoic(890-750 Ma),which is related to the collisional orogenic *** may be associated with the late-stage assembly of the Rodinia supercontinent or with local compression and subduction processes during the breakup of the Rodinia supercontinent.

关键词： Southwestern Yangtze Block Dahongshan Group Phase equilibrium modeling Zircon U-Pb dating Neoproterozoic metamorphism

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Life's essential 8 and risk of subclinical atherosclerosis progression: a prospective cohort study

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Journal of Geriatric Cardiology 2024年第7期21卷 751-759页

作者： Shi-Yu ZHOU Fang-Chao LIU shu-feng CHEN Jian-Xin LI Jie CAO Ke-Yong HUANG Zheng-Hao TANG feng-Chao LIANG Dong-Sheng HU Lian-Cheng ZHAO Ying LI Jian-feng HUANG Xiang-feng LU Bin LU Dong-feng GU Department of Epidemiology&Key Laboratory of Cardiovascular Epidemiology State Key Laboratory of Cardiovas-cular DiseaseFuwai HospitalNational Center for Cardiovascular DiseasesChinese Academy of Medical Sciences&Peking Union Medical CollegeBeijingChina School of Public Health and Emergency Management School of Medi-cineSouthern University of Science and TechnologyShenzhenChina Department of Epidemiology and Health Stat-istics School of Public HealthZhengzhou UniversityZhengzhouChina Department of Biostatistics and Epidemi-ology School of Public HealthShenzhen University Health Science CenterShenzhenChina Department of Radi-ology State Key Laboratory of Cardiovascular DiseaseFuwai HospitalNational Center for Cardiovascular DiseasesChinese Academy of Medical Sciences&Peking Union Medical CollegeBeijingChina

BACKGROUND Previous studies have demonstrated the benefits of ideal cardiovascular health(CVH) in reducing cardiovascular ***,its role in subclinical atherosclerosis(SA) progression remains *** aim to examine the association of CVH,estimated by the American Heart Association's new Life's Essential 8(LE8),with the progression of *** This prospective cohort study was conducted among 972 asymptomatic Chinese participants and followed up for5.7 *** LE8 score(range,0–100) consisted of blood pressure,lipids,glucose,body mass index,smoking status,diet health,physical activity and sleep health was evaluated in 1998 and 2008–*** of SA was determined by carotid plaque and coronary artery calcification(CAC) in 2008–2009 and 2013–***-binomial regression model was used to estimate the association of LE8 score with SA *** Each 10 points increment in LE8 score was associated with 15.2%(RR:0.848,95% CI:0.797–0.902),17.7%(RR:0.823,95% CI:0.766–0.884) and 12.0%(RR:0.880,95% CI:0.845–0.916) lower risks of carotid plaque,CAC and overall SA progression,*** with participants with non-ideal CVH at both visits,the participants with ideal CVH at both visits had39.1%(RR:0.609,95% CI:0.494–0.752),41.0%(RR:0.590,95% CI:0.456–0.764) and 29.7%(RR:0.703,95% CI:0.598–0.825) lower risks of carotid plaque,CAC and overall SA progression,*** Higher LE8 scores were associated with lower risks of SA ***,long-term maintenance of optimal CVH was more beneficial to prevent SA progression.

关键词： atherosclerosis prospective cardiovascular

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