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Imaging, pathology, and diagnosis of solitary fibrous tumor of the pancreas: A case report and review of literature

World Journal of Clinical Cases 2024年第5期12卷 995-1003页

作者： Wen-Wen Wang Shu-Ping Zhou Xiang Wu Luo-Luo Wang yi ruan Jun Lu Hai-Li Li Xu-Ling Ni Li-Li Qiu Xin-Hua Zhou Department of Hepatobiliary and Pancreatic Surgery The Affiliated Li Huili HospitalNingbo University School of MedicineNingbo 315000Zhejiang ProvinceChina Ningbo College of Health Sciences Ningbo College of Health SciencesNingbo 315000Zhejiang ProvinceChina Health Science Center Ningbo UniversityNingbo 315000Zhejiang ProvinceChina Department of Hepatobiliary and Pancreatic Surgery The Affiliated Hangzhou First People’s HospitalZhejiang University School of MedicineHangzhou310006Zhejiang ProvinceChina Department of Diagnosis Ningbo Diagnostic Pathology CenterNingbo 315000Zhejiang ProvinceChina

BACKGROUND A solitary fibrous tumor(SFT)is often located in the pleura,while SFT of the pancreas is extremely rare.Here,we report a case of SFT of the pancreas and discuss imaging,histopathology,and immunohistochemistry for accurate diagnosis and treatment.CASE SUMMARY A 54-year-old man presented to our hospital with pancreatic occupancy for over a month.There were no previous complaints of discomfort.His blood pressure was normal.Blood glucose,tumor markers,and enhanced computed tomography(CT)suggested a malignant tumor.Because the CT appearance of pancreatic cancer varies,we could not confirm the diagnosis;therefore,we performed endoscopic ultrasound-guided fine-needle biopsy(EUS-FNB).Pathology and immunohistochemistry were consistent with SFT of the pancreas.The posto-perative pathology and immunohistochemistry were consistent with the puncture results.The patient presented for a follow-up examination one month after discharge with no adverse effects.CONCLUSION Other diseases must be excluded in patients with a pancreatic mass that cannot be diagnosed.CT and pathological histology have diagnostic value for pancreatic tumors.Endoscopic puncture biopsy under ultrasound can help diagnose pancreatic masses that cannot be diagnosed preoperatively.Surgery is an effective treatment for SFT of the pancreas;however,long-term follow-up is strongly recommended because of the possibility of malignant transformation of the tumor.

关键词： Pancreas Neoplasm fibrous tumor Endoscopic ultrasound-guided fine-needle biopsy Treatment Case report

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Black phosphorus quantum dots induce myocardial inflammatory responses and metabolic disorders in mice

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Journal of Environmental Sciences 2024年第3期137卷 53-64页

作者： Chao Shen Xiaoyan Ding Jinpeng ruan Fengkai ruan Weiping Hu Jiyi Huang Chengyong He yi Yu Zhenghong Zuo Department of Nephrology State Key Laboratory of Cellular Stress BiologySchool of Life SciencesFaculty of Medicine and Life SciencesFujian Clinical Research Center for Chronic Glomerular DiseaseThe First Affiliated Hospital of Xiamen UniversitySchool of MedicineXiamen UniversityXiamen 361102China

As an ultrasmall derivative of black phosphorus(BP)sheets,BP quantum dots(BP-QDs)have been effectively used in many fields.Currently,information on the cardiotoxicity induced by BP-QDs remains limited.We aimed to evaluate BP-QD-induced cardiac toxicity in mice.Histopathological examination of heart tissue sections was performed.Transcriptome sequencing,real-time quantitative PCR(RT–qPCR),western blotting,and enzyme-linked immunosorbent assay(ELISA)assays were used to detect the m RNA and/or protein expression of proinfammatory cytokines,nuclear factor kappa B(NF-κB),phosphatidylinositol3 kinase-protein kinase B(PI3K-AKT),peroxisome proliferator-activated receptor gamma(PPARγ),and glucose/lipid metabolism pathway-related genes.We found that heart weight and heart/body weight index(HBI)were significantly reduced in mice after intragastric administration of 0.1 or 1 mg/kg BP-QDs for 28 days.In addition,obvious infammatory cell infiltration and increased cardiomyocyte diameter were observed in the BP-QD-treated groups.Altered expression of proinfammatory cytokines and genes related to the NF-κB signaling pathway further confirmed that BP-QD exposure induced infammatory responses.In addition,BP-QD treatment also affected the PI3K-AKT,PPARγ,thermogenesis,oxidative phosphorylation,and cardiac muscle contraction signaling pathways.The expression of genes related to glucose/lipid metabolism signaling pathways was dramatically affected by BP-QD exposure,and the effect was primarily mediated by the PPAR signaling pathway.Our study provides new insights into the toxicity of BP-QDs to human health.

关键词： BP-QDs Cardiac toxicity Infammatory responses NF-κB signaling pathway PPARγsignaling pathway Glucose/lipid metabolism

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Phosphorus lights up the trade-off between growth and immunity

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Molecular Plant 2024年第5期17卷 689-690页

作者： Wenyuan ruan Meina Guo Keke yi State Key Laboratory of Efficient Utilization of Arid and Semi-arid Arable Land in Northern China/Key Laboratory of Plant Nutrition and Fertilizer Ministry of AgricultureInstitute of Agricultural Resources and Regional PlanningChinese Academy of Agricultural SciencesBeijingChina State Key Laboratory of Efficient Production of Forest Resources/National Engineering Research Center of Tree Breeding and Ecological Restoration College of Biological Sciences and TechnologyBeijing Forestry UniversityBeijingChina

How plants respond simultaneously to various biotic and abiotic stresses to balance growth and immunity is an old but vibrant topic.Plants need to effectively integrate multiple signaling inputs to make the final decision and,thus,use limited resources efficiently.Typically,plant secondary metabolites,including phytohormones,are the key to modulate investment of resources into immunity or growth.However,the molecular mechanisms underlying this allocation dilemma are far from being understood.

关键词： immunity lights integrate

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Rheological properties and concentration evolution of thickened tailings under the coupling effect of compression and shear

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International Journal of Minerals,Metallurgy and Materials 2024年第5期31卷 862-876页

作者： Aixiang Wu Zhenqi Wang Zhuen ruan Raimund Bürger Shaoyong Wang yi Mo Key Laboratory of the Ministry of Education of China for High-efficient Mining and Safety of Metal Mines University of Science and Technology BeijingBeijing 100083China Shunde Innovation School University of Science and Technology BeijingFoshan 528399China CI2MA and Departamento de Ingeniería Matemática Facultad de Ciencias Físicas y MatemáticasUniversidad de ConcepciónCasilla 160-CConcepciónChile School of Civil and Resource Engineering University of Science and Technology BeijingBeijing 100083China China Railway Construction Tongguan Investment Co. Ltd.Tongling 244000China

Cemented paste backfill(CPB)is a key technology for green mining in metal mines,in which tailings thickening comprises the primary link of CPB technology.However,difficult flocculation and substandard concentrations of thickened tailings often occur.The rheological properties and concentration evolution in the thickened tailings remain unclear.Moreover,traditional indoor thickening experiments have yet to quantitatively characterize their rheological properties.An experiment of flocculation condition optimization based on the Box-Behnken design(BBD)was performed in the study,and the two response values were investigated:concentration and the mean weighted chord length(MWCL)of flocs.Thus,optimal flocculation conditions were obtained.In addition,the rheological properties and concentration evolution of different flocculant dosages and ultrafine tailing contents under shear,compression,and compression-shear coupling experimental conditions were tested and compared.The results show that the shear yield stress under compression and compression-shear coupling increases with the growth of compressive yield stress,while the shear yield stress increases slightly under shear.The order of shear yield stress from low to high under different thickening conditions is shear,compression,and compression-shear coupling.Under compression and compression-shear coupling,the concentration first rapidly increases with the growth of compressive yield stress and then slowly increases,while concentration increases slightly under shear.The order of concentration from low to high under different thickening conditions is shear,compression,and compression-shear coupling.Finally,the evolution mechanism of the flocs and drainage channels during the thickening of the thickened tailings under different experimental conditions was revealed.

关键词： thickened tailings compression-shear coupling compressive yield stress shear yield stress concentration

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Longitudinal changes in body weight of breastfeeding mothers in the first year after delivery and its relationship with human milk composition:a combined longitudinal and cross-sectional cohort study

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Food Science and Human Wellness 2024年第1期13卷 254-264页

作者： Huijuan ruan Yajie Zhang Qingya Tang Xuan Zhao Xuelin Zhao yi Xiang Wei Geng yi Feng Wei Cai Department of Clinical Nutrition Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghai 200092China Shanghai Key Laboratory of Pediatric Gastroenterology and Nutrition Shanghai Institute of Pediatric ResearchShanghai 200092China Department of Pediatric Surgery Xinhua Hospital Affiliated to Shanghai Jiao Tong University School of MedicineShanghai 200092China

Objective:Postpartum weight retention(PPWR)is a common problem among women after childbirth.The main objectives of this study are to understand the changes in body weight of breastfeeding mothers during long-term follow-up and preliminarily explore the relationship between maternal body weight and human milk composition,including macronutrients,leptin,and adiponectin.Methods:The study included a longitudinal cohort(122 mothers),and a cross-sectional cohort(37 mothers).The human milk,maternal weight,and dietary surveys were collected in the longitudinal cohort at different follow-up time points(1-14 days postpartum,2-4 months postpartum,5-7 months postpartum,and 12-17 months postpartum).The maternal body weight was analyzed using the responses in the survey questionnaires.A milk analyzer based on the mid-infrared spectroscopy(MIRS)was used to determine milk composition,and nutrition analysis software evaluated dietary intakes.In the cross-sectional cohort,participating mothers were asked to provide blood and human milk samples and pertinent information related to maternal body composition.Maternal body composition was measured by bioelectrical impedance analysis(BIA),while ELISA analyzed leptin and adiponectin in milk and serum.Results:At 5-7 months postpartum,the PPWR of breastfeeding mothers was(2.46±3.59)kg.At 12-17 months postpartum,the PPWR was(0.98±4.06)kg.PPWR was found to be negatively correlated with milk fat content within 14 days postpartum and positively correlated at 2-4 months postpartum.In addition,the maternal weight and body muscle mass were positively correlated with leptin and adiponectin in milk.Plasma leptin was positively correlated with the mother’s body weight,body mass index(BMI),FAT percentage,and body fat mass,while plasma adiponectin did not correlate with any parameter.The results also indicate that the PPWR did not correlate with leptin and adiponectin in plasma or milk.Conclusions:Breastfeeding mothers may retain considerable weight gain one year after delivery.Human milk composition

关键词： Human milk Milk composition Body weight Body mass index(BMI) Weight gain Postpartum weight retention

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Bimagnetic metal constructed core-shell structure of Fe@Co nanowires for multi-band microwave absorption

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Progress in Natural Science:Materials International 2024年第2期34卷 354-361页

作者： Ping-an Yang Rui Cai Haibo ruan Nanqing Zhang Xin Huang Rui Li Yuxin Zhang yi Lu Zhihao Zhou School of Automation Chongqing University of Posts and Telecommunications Chongqing Key Laboratory of Materials Surface & Interface Science Chongqing University of Arts and Sciences College of Engineering and Technology Zunyi Normal College College of Material Science and Engineering Chongqing University

Controlled fabrication of materials by surface modification techniques has been a hot research topic. In this paper,one-dimensional(1D) core-shell structure Fe@Co nanowires(NWs) were successfully prepared by anchoring 0-dimensional(0D) Co nanoparticles on 1D Fe NWs based on the in situ reduction method. The electromagnetic parameters of the specimens at a filler mass fraction of 25 wt% were tested and the microwave loss mechanism was deeply analyzed. Binary magnetic metals in a core-shell structure have excellent multi-band microwave absorption capability(S-band, X-band and Ku-band). This is due to the heterogeneous interface and magnetic coupling effects tuning the dielectric and magnetic loss. This study offers a workable plan for creating effective multi-band magnetic metal-based microwave absorbers.

关键词： Core-shell structure Interface Magnetic coupling Microwave absorption One-dimensional nanowires

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Electroacupuncture at Sensitized Acupoints Relieves Somatic Referred Pain in Colitis Rats by Inhibiting Sympathetic-Sensory Coupling to Interferewith 5-HT Signaling Pathway

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Chinese Journal of Integrative Medicine 2024年第2期30卷 152-162页

作者： YANG ying QU Jin-yu GUO Hua ZHOU Hai-ying ruan Xia PENG ying-chun SHEN Xue-fang XIONG Jin WANG yi-li School of Clinical Medicine Chengdu Medical CollegeChengdu(610500)China Department of Rehabilitation Medicine the First Affliated Hospital of Chengdu Medical CollegeChengdu(610500)China Department of Rehabilitation Medicine West China HospitalSichuan University/West China School of NursingSichuan UniversityChengdu(610041)China Department of Neurology the First Affiliated Hospital of Chengdu Medical CollegeChengdu(610500)China

Objective:To investigate whether electroacupuncture(EA) at sensitized acupoints could reduce sympathetic-sensory coupling(SSC) and neurogenic inflammatory response by interfering with 5-hydroxytryptamine(5-HT)ergic neural pathways to relieve colitis and somatic referred pain,and explore the underlying mechanisms.Methods:Rats were treated with 5% dextran sodium sulfate(DSS) solution for 7 days to establish a colitis model.Twelve rats were randomly divided into the control and model groups according to a random number table(n=6).According to the Research on Rat Acupoint Atlas",sensitized acupoints and non-sensitized acupoints were determined.Rats were randomly divided into the control,model,Zusanli-EA(ST 36),Dachangshu-EA(BL 25),and Xinshu(BL 15) groups(n=6),as well as the control,model,EA,and EA+GR113808(a 5-HT inhibitor)groups(n=6).The rats in the control group received no treatment.Acupuncture was administered on 2 days after modeling using the stimulation pavameters:1 mA,2 Hz,for 30 min,with sparse and dense waves,for 14 consecutive days.GR113808 was injected into the tail vein at 5 mg/kg before EA for 10 min for 7 consecutive days.Mechanical sensitivity was assessed with von Frey filaments.Body weight and disease activity index(DAI) scores of rats were determined.Hematoxylin and eosin staining was performed to observe colon histopathology.SSC was analyzed by immunofluorescence staining.Immunohistochemical staining was performed to detect 5-HT and substance P(SP) expressions.The calcitonin gene-related peptide(CGRP) in skin tissue and tyrosine hydroxylase(TH) protein levels in DRG were detected by Western blot.The levels of hyaluronic acid(HA),bradykinin(BK),prostaglandin I2(PGI2) in skin tissue,5-HT,tryptophan hydroxylase 1(TPH1),serotonin transporters(SERT),5-HT 3 receptor(5-HT3R),and 5-HT 4 receptor(5-HT4R) in colon tissue were measured by enzyme-linked immunosorbent assay(ELISA).Results:BL 25 and ST 36 acupoints were determined as sensitized acupoints,and BL 15 acupoint was used as a non-sensitized acupoint

关键词： electroacupuncture sensitized acupoints sympathetic-sensory coupling 5-hydroxytryptamine neurogenic inflammation somaticreferredpain

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Monogenic deficiency in murine intestinal Cdc42 leads to mucosal inflammation that induces crypt dysplasia

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Genes & Diseases 2024年第1期11卷 413-429页

作者： Dongsheng Zhang Wenjuan Tang Haitao Niu William Tse Hai-Bin ruan Helmut Dolznig Thomas Knosel Friedrich Karl-Heinz Madeleine Themanns Jiang Wang Mingquan Song Lee Denson Lukas Kenner Richard Moriggl yi Zheng Xiaonan Han Division of Hematology and Oncology Division of Cancer BiologyDepartment of MedicineMetroHealth Medical Center(MHMC)Case Western Reserve University(CWRU)School of MedicineClevelandOH 44109USA Cancer Genomics and Epigenomics Program Case Comprehensive Cancer CenterCase Western Reserve University(CWRU)ClevelandOH 44106USA Division of Gastroenterology Hepatology and NutritionCincinnati Children’s Hospital Medical Center(CCHMC)CincinnatiOH 45229USA Children’s Hospital of Fudan University Shanghai 201102China School of Medicine Jinan UniversityGuangzhouGuangdong 510632China Laboratory Animal Science(ILAS) Chinese Academy of Medical Science(CAMS)and Peking Union Medical College(PUMC)Beijing 100006China Department of Integrative Biology and Physiology University of Minnesota Medical SchoolMinneapolisMI 55455USA Institute of Medical Genetics Medical University of ViennaVienna 1040Austria Institute of Pathology Ludwig-Maximilians-University MunichMunich 80539Germany Institute of Biochemistry II University Hospital JenaJena 07743Germany Laboratory Animal Pathology University of Veterinary Medicine ViennaVienna 1210Austria Department of Pathology University of CincinnatiCincinnatiOH 45221USA Department of Gastroenterology The Affiliated Hospital of Qingdao UniversityQingdaoShandong 266005China Department of Pathology Medical University of ViennaVienna 1040Austria Ludwig Boltzmann Institute for Cancer Research Vienna 1090Austria Medical University of Vienna Vienna 1040Austria Institute of Animal Breeding and Genetics University of Veterinary Medicine ViennaVienna 1210Austria Division of Experimental Hematology CCHMCCincinnatiOH 45229USA

CDC42 controls intestinal epithelial(IEC)stem cell(IESC)division.How aberrant CDC42 initiates intestinal inflammation or neoplasia is unclear.We utilized models of inflam-matory bowel diseases(IBD),colorectal cancer,aging,and IESC injury to determine the loss of intestinal Cdc42 upon inflammation and neoplasia.Intestinal specimens were collected to determine the levels of CDC42 in IBD or colorectal cancer.Cdc42 floxed mice were crossed with Villin-Cre,Villin-CreERT2 and/or Lgr5-eGFP-IRES-CreERT2,or Bmi1-CreERT2 mice to generate Cdc42 deficient mice.Irradiation,colitis,aging,and intestinal organoid were used to evaluate CDC42 upon mucosal inflammation,IESC/progenitor regenerative capacity,and IEC repair.Our studies revealed that increased CDC42 in colorectal cancer correlated with lower survival;in contrast,lower levels of CDC42 were found in the inflamed IBD colon.Colonic Cdc42 depletion significantly reduced Lgr5+IEsCs,increased progenitors'hyperplasia,and induced mucosal inflammation,which led to crypt dysplasia.Colonic Cdc42 depletion markedly enhanced irra-diation-or chemical-induced colitis.Depletion or inhibition of Cdc42 reduced colonic Lgr5+IESC regeneration.In conclusion,depletion of Cdc42 reduces the IESC regeneration and IEC repair,leading to prolonged mucosal inflammation.Constitutive monogenic loss of Cdc42 in-duces mucosal inflammation,which could result in intestinal neoplasia in the context of aging.

关键词： Cell divisioncycle 42(CDC42) Colitis Colorectal cancer(CRC) Inflammatory bowel diseases(IBD) Intestinal epithelial cell(IEC) Intestinal epithelial stem cell(IESC) Irradiation

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苏轼对韩国汉诗中赤壁景观书写的影响

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中央民族大学学报（哲学社会科学版） 2024年第3期51卷 113-122页

作者：阮怡四川师范大学三苏研究院/文学院四川成都610068

赤壁是湖北省东南部的一处地理形胜,因赤壁之战而声名鹊起,引起历代文人吟咏,他们常以赤壁为媒介,拈出三国时期的历史来追叙咏叹。宋代苏轼贬谪黄州,写下了传诵千古的《赤壁赋》,赋予了赤壁这一景观全新的意义。在朝鲜朝前期,崇苏之风盛... 详细信息

赤壁是湖北省东南部的一处地理形胜,因赤壁之战而声名鹊起,引起历代文人吟咏,他们常以赤壁为媒介,拈出三国时期的历史来追叙咏叹。宋代苏轼贬谪黄州,写下了传诵千古的《赤壁赋》,赋予了赤壁这一景观全新的意义。在朝鲜朝前期,崇苏之风盛行,《赤壁赋》流传甚广,当时的文人将自身所处环境中与赤壁地理形貌类似的景观视为“赤壁”,将黄州赤壁移入自身所处的地方,赤壁成为一处流动的风景。在历代韩国文人的吟咏中,相关的文化文本构筑起了赤壁景观的想象空间,赤壁不仅仅是山水相得益彰的一处形胜之地,更是承载苏子精神的物质实体,体现了韩国文人对苏轼人格以及才华的崇拜景仰之情。韩国文人泛舟游“赤壁”亦是借此寄托自身的情感,在诗歌中他们视“赤壁”之游是游赏之至乐,“赤壁”成为韩国失意文人的世外桃源,表现出浓厚的归隐情绪。透过韩国文人的赤壁景观书写,可见苏轼这一文学典范对韩国文学产生了重要影响,彰显了中华文化在东亚中华文化圈中的意义。

关键词：赤壁景观在地化文化记忆归隐

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Benchmark experiment on slab^(238)U with D-T neutrons for validation of evaluated nuclear data

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Nuclear Science and Techniques 2024年第2期35卷 145-159页

作者： Yan-Yan Ding Yang-Bo Nie Yue Zhang Zhi-Jie Hu Qi Zhao Huan-Yu Zhang Kuo-Zhi Xu Shi-Yu Zhang Xin-yi Pan Chang-Lin Lan Jie Ren Xi-Chao ruan Key Laboratory of Nuclear Data China Institute of Atomic EnergyBeijing 102413China School of Nuclear Science and Technology Lanzhou UniversityLanzhou 730000China Institute of Fluid Physics China Academy of Engineering PhysicsMianyang 62100China

A benchmark experiment on^(238)U slab samples was conducted using a deuterium-tritium neutron source at the China Institute of Atomic Energy.The leakage neutron spectra within energy levels of 0.8-16 MeV at 60°and 120°were measured using the time-of-flight method.The samples were prepared as rectangular slabs with a 30 cm square base and thicknesses of 3,6,and 9 cm.The leakage neutron spectra were also calculated using the MCNP-4C program based on the latest evaluated files of^(238)U evaluated neutron data from CENDL-3.2,ENDF/B-Ⅷ.0,JENDL-5.0,and JEFF-3.3.Based on the comparison,the deficiencies and improvements in^(238)U evaluated nuclear data were analyzed.The results showed the following.(1)The calculated results for CENDL-3.2 significantly overestimated the measurements in the energy interval of elastic scattering at 60°and 120°.(2)The calculated results of CENDL-3.2 overestimated the measurements in the energy interval of inelastic scattering at 120°.(3)The calculated results for CENDL-3.2 significantly overestimated the measurements in the 3-8.5 MeV energy interval at 60°and 120°.(4)The calculated results with JENDL-5.0 were generally consistent with the measurement results.

关键词： Leakage neutron spectra Uranium D-T neutron source Evaluated nuclear data

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