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Camouflaging attenuated Salmonella by cryo-shocked macrophages for tumor-targeted therapy

Signal Transduction and Targeted Therapy 2024年第2期9卷 709-723页

作者： Leyang Wu Zengzheng Du lin Li Liyuan Qiao Shuhui Zhang Xingpeng Yin Xiaoyao Chang Chenyang Li Zichun hua The State Key Laboratory of Pharmaceutical Biotechnology and Department of Neurology of Nanjing Drum Tower Hospital School of Life Sciences and The Affiliated Hospital of Nanjing University Medical SchoolNanjing UniversityNanjing 21008 JiangsuChina Nanjing Generecom Biotechnology Co. LtdNanjing 210023China Changzhou High-Tech Research Institute of Nanjing University and Jiangsu TargetPharma Laboratories Inc Changzhou 213164 JiangsuChina School of Biopharmacy China Pharmaceutical UniversityNanjing 210023 JiangsuChina

Live bacteria-mediated antitumor therapies mark a pivotal point in cancer ***,the difficulty in reconciling the safety and efficacy of bacterial therapies has limited their *** bacterial tumor-targeted delivery while maintaining biosafety is a critical hurdle for the clinical translation of live microbial therapy for ***,we developed“dead”yet“functional”Salmonella-loaded macrophages using liquid nitrogen cold shock of an attenuated Salmonella typhimurium VNP20009-contained macrophage cell *** obtained“dead”macrophages achieve an average loading of approximately 257 live bacteria per 100 *** engineered cells maintain an intact cellular structure but lose their original pathogenicity,while intracellular bacteria retain their original biological activity and are delay freed,followed by ***“Trojan horse”-like bacterial camouflage strategy avoids bacterial immunogenicity-induced neutrophil recruitment and activation in peripheral blood,reduces the clearance of bacteria by neutrophils and enhances bacterial tumor enrichment efficiently after systemic ***,this strategy also strongly activated the tumor microenvironment,including increasing antitumor effector cells(including M1-like macrophages and CD8+Teffs)and decreasing protumor effector cells(including M2-like macrophages and CD4+Tregs),and ultimately improved antitumor efficacy in a subcutaneous H22 tumor-bearing mouse *** cryo-shocked macrophage-mediated bacterial delivery strategy holds promise for expanding the therapeutic applications of living bacteria for cancer.

关键词： shock holds maintain

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Convergence analysis for complementary-label learning with kernel ridge regression

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Applied Mathematics(A Journal of Chinese Universities) 2024年第3期39卷 533-544页

作者： NIE Wei-lin WANG Cheng XIE Zhong-hua School of Mathematics and Statistics Huizhou UniversityHuizhou 516007China School of Computer Science and Engineering Huizhou UniversityHuizhou 516007China

Complementary-label learning(CLL)aims at finding a classifier via samples with complementary *** data is considered to contain less information than ordinary-label *** transition matrix between the true label and the complementary label,and some loss functions have been developed to handle this *** this paper,we show that CLL can be transformed into ordinary classification under some mild conditions,which indicates that the complementary labels can supply enough information in most *** an example,an extensive misclassification error analysis was performed for the Kernel Ridge Regression(KRR)method applied to multiple complementary-label learning(MCLL),which demonstrates its superior performance compared to existing approaches.

关键词： multiple complementary-label learning partial label learning error analysis reproducing kernel Hilbert spaces

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Demonstration of a small‐scale power generator using supercritical CO_(2)

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Carbon Energy 2024年第4期6卷 269-290页

作者： Ligeng Li hua Tian Xin lin Xianyu Zeng Yurong Wang Weilin Zhuge lingfeng Shi Xuan Wang Xingyu Liang Gequn Shu State Key Laboratory of Engines Tianjin UniversityTianjinChina Department of Thermal Science and Energy Engineering University of Science and Technology of ChinaHefeiChina State Key Laboratory of Automotive Safety and Energy Tsinghua UniversityBeijingChina

The supercritical CO_(2)(sCO_(2))power cycle could improve efficiencies for a wide range of thermal power *** sCO_(2)turbine generator plays an important role in the sCO_(2)power cycle by directly converting thermal energy into mechanical work and electric *** operation of the generator encounters challenges,including high temperature,high pressure,high rotational speed,and other engineering problems,such as *** studies of sCO_(2)turbines are insufficient because of the significant difficulties in turbine manufacturing and system *** most experimental investigations that primarily focus on 100 kW‐or MW‐scale power generation systems,we consider,for the first time,a small‐scale power generator using sCO_(2).A partial admission axial turbine was designed and manufactured with a rated rotational speed of 40,000 rpm,and a CO_(2)transcritical power cycle test loop was constructed to validate the performance of our manufactured generator.A resistant gas was proposed in the constructed turbine expander to solve the leakage *** dynamic and steady performances were *** results indicated that a peak electric power of 11.55 kW was achieved at 29,369 *** maximum total efficiency of the turbo‐generator was 58.98%,which was affected by both the turbine rotational speed and pressure ratio,according to the proposed performance map.

关键词： generator performance map power generation supercritical CO_(2) turbine

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Integrated gut microbiota,plasma metabolomics and network pharmacology to reveal the anti-ischemic stroke effect of cooked rhubarb

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Traditional Medicine Research 2024年第9期9卷 1-13页

作者： Ting Li Lan-Fang tan lin Shen Jie-Hui Kuang Si-Kai Zhan Bang Liu Jia-Le Cai Sheng-Wang Liang Ming-hua Xian Shu-Mei Wang School of Chinese Materia Medica Guangdong Pharmaceutical UniversityGuangzhou 510006China Key Laboratory of Digital Quality Evaluation of Chinese Materia Medica of State Administration of TCM School of Chinese Materia MedicaGuangdong Pharmaceutical UniversityGuangzhou 510006China Engineering&Technology Research Center for Chinese Materia Medica Quality of the Universities of Guangdong Province School of Chinese Materia MedicaGuangdong Pharmaceutical UniversityGuangzhou 510006China Guangxi Key Laboratory of Functional Phytochemicals Research and Utilization Guangxi Institute of BotanyChinese Academy of SciencesGuilin 541006China Traditional Chinese Medicine Resource Germplasm Bank Management Center Yunfu 527300China

Background:Cooked rhubarb(CR)is obtained by steaming raw rhubarb(Rheum palmatum L.,Rheum officinale Baill.,or Rheum tanguticum *** Balf.)with millet *** is used as a traditional Chinese medicine for treating cerebral stroke,where patients often face severe *** study explored the pharmacological effects and mechanisms of CR against ischemic stroke(IS)in *** used integrated analysis of gut microbiota,metabolomics,and network ***:The compounds in CR were identified using LC-MS/*** impact of CR on rat middle cerebral artery occlusion/reperfusion(MCAO/R)-induced cerebral infarct size and brain tissue pathology was assessed through 2,3,5-triphenyl tetrazolium chloride and HE *** in hemorheology were measured by evaluating blood viscosity,and serum levels of pro-inflammatory cytokine were also *** microbiota composition was analyzed through 16S rRNA gene *** metabolites were examined using untargeted metabolomics and Spearman correlation *** pseudo-germ-free test was used to determine whether tumour necrosis factor-α(TNF-α)and interleukin-1β(IL-1β)improvement in IS are dependent on gut ***:In vivo studies showed CR enhances neurobehavioral function in MCAO/R rats and reduces cerebral infarction *** also ameliorates brain and intestinal barrier damage caused by *** also decreased inflammation and oxidative stress in IS ***,CR promotes the growth of Akkermansia and Verrucomicrobia,aiding in intestinal barrier ***,CR primarily influences the primary bile acid biosynthesis *** pseudo-germ-free experiment and network pharmacology confirmed TNF-αand IL-1βas potential *** relies on gut microbiota for its anti-inflammatory effects to improve ***:Cooked rhubarb offers neuroprotective benefits by enhancing beneficial bacteria abundance and regulating bile acid *** emerges as a potential therapeutic agent for

关键词： cooked rhubarb ischemic stroke gut microbiota metabolomics

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Accelerating Asteroidal Period and Pole Inversion from Multiple Lightcurves Using Parallel Differential Evolution and Cellinoid Shape Model

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Research in Astronomy and Astrophysics 2024年第4期24卷 271-286页

作者： Yong-Xiong Zhang Wen-Xiu Guo Xiao-Ping Lu hua Zheng Hai-Bin Zhao Jun Tian Wei-lin Wang School of Engineering Guangzhou College of Technology and BusinessGuangzhou 510850China School of Computer Science and Engineering Macao University of Science and TechnologyTaipaMacao 999078China School of Mathematics and Statistics Shaoguan UniversityShaoguan 512099China State Key Laboratory of Lunar and Planetary Sciences Macao University of Science and TechnologyMacao 999078China Key Laboratory of Planetary Sciences Purple Mountain ObservatoryCASNanjing 210023China

Determining asteroid properties provides valuable physical insights but inverting them from photometric lightcurves remains computationally *** paper presents a new approach that combines a simplified Cellinoid shape model with the Parallel Differential Evolution(PDE)algorithm to accelerate *** PDE algorithm is more efficient than the Differential Evolution algorithm,achieving an extraordinary speedup of 37.983 with 64 workers on multicore *** PDE algorithm accurately derives period and pole values from simulated *** analysis of real asteroid lightcurves validates the method’s reliability:in comparison with results published elsewhere,the PDE algorithm accurately recovers the rotational periods and,given adequate viewing geometries,closely matches the pole *** PDE approach converges to solutions within 20,000 iterations and under one hour,demonstrating its potential for large-scale data *** work provides a promising new tool for unveiling asteroid physical properties by overcoming key computational bottlenecks.

关键词： methods:numerical minor planets asteroids:general techniques:photometric astrom

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High critical current density in Li_(6.4)La_(3)Zr_(1.4)Ta_(0.6)O_(12) electrolyte via interfacial engineering with complex hydride

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Rare Metals 2024年第2期43卷 692-701页

作者： Ying-Tong Lv Teng-Fei Zhang Zhao-Tong Hu Guang-lin Xia Ze-Ya huang Zhen-hua Liu Li-hua Que Cai-Ting Yuan Fang-Qin Guo Takayuki Ichikawa Xue-Bin Yu College of Materials Science and Technology Nanjing University of Aeronautics and AstronauticsNanjing210016China Centre for Hydrogenergy College of Materials Science and TechnologyNanjing University of Aeronautics and AstronauticsNanjing210016China Department of Materials Science Fudan UniversityShanghai200433China Graduate School of Advanced Science and Engineering Hiroshima University1-4-1 KagamiyamaHigashi-Hiroshima739-8527Japan

Garnet-type solid-state batteries(SSBs)are considered to be one of the most promising candidates to realize next-generation lithium metal batteries with high energy density and ***,the dendrite-induced short-circuit and the poor interfacial contact impeded the practical ***,interface engineering to achieve low interfacial resistance without high temperature calcination was developed,which Li_(6.4)La_(3)Zr_(1.4)Ta_(0.6)O_(12)(LLZTO)was simply coated with complex hydride(Li_(4)(BH_(4))_(3)I(3L1L))in various mass ratios n(Li_(4)(BH_(4))_(3)I)-(100−n)LLZTO(10≤n≤40).The interfacial conductivity increases by more than three orders of magnitude from 8.29×10^(−6)S·cm^(−1)to 1.10×10^(−2)S·cm^(−1).Symmetric Li cells exhibit a high critical current density(CCD)of 4.0 mA·cm^(−2) and an excellent cycling stability for 200 h at 4.0 mA·cm^(−2).SSBs with polymeric sulfur-polyacrylonitrile(SPAN)cathode achieve a high discharge capacity of 1149 mAh·g^(−1) with a capacity retention of 91%after 100 cycles(0.2 C).This attempt guides a simple yet efficient strategy for obtaining a stable Li/LLZTO interface,which would promote the development of solid-state batteries.

关键词： Hydrides Li_(6.4)La_(3)Zr_(1.4)Ta_(0.6)O_(12)(LLZTO) Critical current density Solid-state electrolytes(SSEs) Lithium-sulfur batteries

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Effect of microalloying on wettability and interface characteristics of Zr-based bulk metallic glasses with W substrate

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China Foundry 2024年第4期21卷 352-359页

作者： Zhen Zhang lin-na Feng Jin-he Wang Zheng-kun Li hua-meng Fu Hong Li Zheng-wang Zhu Hai-feng Zhang School of Materials Science and Engineering Shenyang University of TechnologyShenyang 110870China Shi-changxu Innovation Center for Advanced Materials Institute of Metal ResearchChinese Academy of SciencesShenyang 110016China School of Materials Science and Engineering University of Science and Technology of ChinaShenyang 110016China School of Metallurgy Northeastern UniversityShenyang 110004China

The infiltration casting method is widely employed for the preparation of ex-situ composite ***,the production of composite materials using this method must necessitates a comprehensive understanding of the wettability and interface characteristics between the reinforcing phase and the bulk metallic glasses(BMGs).This work optimized the composition of Zr-based BMGs through microalloying methods,resulting in a new set of Zr-based BMGs with excellent glass-forming *** experiments between the Zr-based BMGs melts and W substrates were conducted using the traditional sessile drop method,and the interfaces were characterized utilizing a scanning electron microscope(SEM)equipped with energy dispersive X-ray spectroscopy(EDS).The work demonstrates that the microalloying method substantially enhances the wettability of the Zr-based BMGs ***,the incorporation of Nb element impedes the formation of W-Zr phases,but the introduction of Nb element does not alter the extent of interdiffusion between the constituent elements of the amorphous matrix and W element,indicating that the influence of Nb element on the diffusion of individual elements is minute.

关键词： Zr-based BMGs infiltration casting method wettability interface characteristics W-Zr phases

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Retrospective analysis of patients with hepatocellular carcinoma complicated with human immunodeficiency virus infection after hepatectomy

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World Journal of Gastrointestinal Oncology 2024年第9期16卷 3851-3864页

作者： Jia-Jie Lu Shuai Yan lin Chen lin-ling Ju Wei-hua Cai Jin-Zhu Wu Department of Hepatobiliary Surgery Nantong Third People's HospitalMedical School of Nantong UniversityNantong 226000Jiangsu ProvinceChina Department of Medical School Nantong UniversityNantong 226300Jiangsu ProvinceChina Institute of Liver Disease Nantong Third People’s HospitalAffiliated Nantong Hospital 3 of Nantong UniversityNantong 226000Jiangsu ProvinceChina Department of Hepatobiliary Surgery Affiliated Nantong Hospital 3 of Nantong UniversityNantong 226006Jiangsu ProvinceChina

BACKGROUND Hepatocellular carcinoma(HCC)is the third leading cause of cancer death worldwide,with a 5-year relative survival rate of approximately 18%.The similarity between incidence and mortality(830000 deaths per year)underscores the bleak prognosis associated with the *** is the fourth most common malignancy and the second leading cause of cancer death in *** patients with HCC have a history of chronic liver disease such as chronic hepatitis B virus(HBV)or hepatitis C virus(HCV)infection,alcoholism or alcoholic steatohepatitis,nonalcoholic fatty liver disease,or nonalcoholic *** diagnosis and effective treatment are the keys to improving the prognosis of patients with *** the total number of human immunodeficiency virus(HIV)-infected patients is declining globally the incidence of HCC is increasing in HIVinfected patients,especially those who are coinfected with HBV or *** a result,people infected with HIV still face unique challenges in terms of their risk of developing *** To investigate the survival prognosis and clinical efficacy of surgical resection in patients with HCC complicated with HIV *** The clinical data of 56 patients with HCC complicated with HIV admitted to the Third Affiliated Hospital of Nantong University from January 2013 to December 2023 were retrospectively *** these,27 patients underwent hepatectomy(operation group)and 29 patients received conservative treatment(nonoperation group).All patients signed informed consents in line with the provisions of medical *** general data,clinicopathological features and prognoses for the patients in the two groups were analyzed and the risk factors related to the prognoses of the patients in the operation group were *** The median disease-free survival(DFS)and overall survival(OS)of HIV-HCC patients in the surgical group were 13 months and 17 months,respectively,and the median OS of patients in the nonsurgic

关键词： Hepatocellular carcinoma Human Immunodeficiency virus Liver resection Retrospective analysis Prognosis

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Efficacy and Safety of Sanjie Analgesic Capsule in Patients with Endometriosis-Associated Pain:A Multicenter,3:1 Randomized,Double-Blind,Placebo-Controlled Trial

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Chinese Journal of Integrative Medicine 2024年第9期30卷 780-787页

作者： LENG Jin-hua DUAN hua GUAN Zheng ZHOU Ying-fang QU Hong XU Kai-hong ZHANG Shao-fen ZHANG Qin WANG Xin lin Kai-qing LANG Jing-he Department of Obstetrics and Gynecology Peking Union Medical College HospitalBeijing100730China Department of Gynecology Beijing Obstetrics and Gynecology HospitalCapital Medical UniversityBeijing100006China Department of Gynecology Chinese PLA General HospitalBeijing100039China Department of Gynecology Peking University First HospitalBeijing100034China Department of Gynecology Beijing Chao-yang HospitalBeijing100020China Department of Gynecology Womens Hospital School of Medicine Zhejiang UniversityHangzhouZhejiang Province310006China Department of Gynecology Obstetrics and Gynecology Hospital of Fudan UniversityShanghai200090China Department of Gynecology Hangzhou Hospital of Traditional Chinese MedicineHangzhou310007China Department of Gynecology Affiliated Hospital of Liaoning University of Traditional Chinese MedicineShenyang110032China

Objective:To assess the efficacy and safety of Sanjie Analgesic Capsule(SAC)in Chinese patients with endometriosis-associated ***:This was a multicenter,randomized,double-blind,placebo-controlled trial conducted at 15 centers between November 2013 and July 2017 in *** 323 patients with endometriosis were randomized at a 3:1 ratio to the SAC group(241 cases)and placebo group(82 cases)by stratified block *** in the SAC or placebo groups were given SAC or placebo 1.6 g 3 times per day,orally,respectively since the first day of menstruation for 3 consecutive menstrual *** primary endpoint was clinical response to dysmenorrhea evaluated using a 10-point Visual Analogue Scale at 3 and 6 *** secondary endpoint was the pain score evaluated by VAS(chronic pelvic pain,defecation pain,and dyspareunia)at 3 and 6 months,and the pain recurrence rate at 6 *** events(AEs)were recorded during the ***:A total of 241 women were included in the SAC group,and 82 were in the placebo *** these women,217(90.0%)and 71(86.6%)completed the intervention,*** 3 months,overall response rate(ORR)was significantly higher in women administered SAC(80.1%)compared with those who received a placebo(30.5%,P<0.01).Six months after treatment,the ORR for dysmenorrhea was 62.7%in the SAC group and 31.7%in the placebo group(P<0.01).Chronic pelvic pain and defecation pain were significantly improved by SAC compared with placebo(both P<0.05).The incidence rates of total AEs events in the SAC and placebo groups were 6.6%and 9.8%,respectively,and no significant difference was shown between the two groups(P=0.339).Conclusion:SAC is well-tolerated and may improve dysmenorrhea in women with endometriosis-associated pain.

关键词： endometriosis pain Sanjie Analgesic Capsule randomized controlled trial Chinese medicine

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Precise determination of the pole position of the exotic Zc（3900）

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Science China(Physics,Mechanics & Astronomy) 2024年第9期Mechanics & Astronomy) .卷 88-94页

作者： Yun-hua Chen Meng-lin Du Feng-Kun Guo School of Mathematics and Physics University of Science and Technology Beijing School of Physics University of Electronic Science and Technology of China CAS Key Laboratory of Theoretical Physics Institute of Theoretical PhysicsChinese Academy of Sciences School of Physical Sciences University of Chinese Academy of Sciences Peng huanwu Collaborative Center for Research and Education Beihang University

We perform a unified description of the experimental data of the π+π-and J/ψπ±invariant mass spectra for e+e-→J/ψπ+π-and the D0D*-mass spectrum for e+e-→D0D*-π+at e+e-center-of-mass energies 4.23 and 4.26 *** analysis takes into account open-charm meson loops that contain triangle singularities,the J/ψπ-■ coupled-channel interaction respecting unitarity,and the strong ππ-■ final state interaction using dispersion *** analysis leads to a precise determination of the Zc（3900） pole with the pole mass and width (3880.7±1.7stat±22.4syst) MeV and (35.9±1.4stat±15.3syst) MeV,respectively,and hints at that the ■ molecular and non-molecular components are of similar importance in the Zc（3900） formation.

关键词： exotic hadrons dispersion relations final state interaction triangle singularity

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