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

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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Modulating p-type doping of two-dimensional material palladium diselenide

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Nano Research 2024年第4期17卷 3232-3244页

作者： Jiali Yang Yu Liu En-Yang Wang Jinbo Pang Shirong Huang Thomas Gemming Jinshun Bi Alicja Bachmatiuk Hao Jia shu-xian Hu Chongyun Jiang Hong Liu Gianaurelio Cuniberti Weijia Zhou Mark H Rümmeli Institute for Advanced Interdisciplinary Research(iAIR) University of JinanJinan 250022China Institute for Materials Chemistry Leibniz Institute for Solid State and Materials Research Dresden(IFW Dresden)20 Helmholtz StrasseDresden 01069Germany State Key Lab of Transducer Technology Shanghai Institute of Microsystem and Information TechnologyChinese Academy of SciencesShanghai 200050China College of Energy Soochow Institute for Energy and Materials Innovations Soochow UniversitySuzhou 215006China Key Laboratory of Advanced Carbon Materials and Wearable Energy Technologies of Jiangsu Province Soochow UniversitySuzhou 215006China School of Integrated Circuits University of Chinese Academy of SciencesBeijing 101408China Institute of Microelectronics of Tianjin Binhai New Area Tianjin 300451China Institute of Microelectronics Chinese Academy of SciencesBeijing 100029China Lukasiewicz Research Network PORT Polish Center for Technology DevelopmentStablowicka 147Wroclaw 54-066Poland School of Mathematics and Physics University of Science and Technology BeijingBeijing 100083China College of electronic information and optical engineering Nankai UniversityTianjin 300350China Centre of Polymer and Carbon Materials Polish Academy of SciencesM.Curie Sklodowskiej 34Zabrze 41-819Poland Center for Energy and Environmental Technologies VŠB-Technical University of Ostrava17.Listopadu 15Ostrava 70833Czech Republic State Key Laboratory of Crystal Materials Center of Bio&Micro/Nano Functional MaterialsShandong UniversityJinan 250100China Dresden Center for Computational Materials Science Technische Universität DresdenDresden 01062Germany Dresden Center for Intelligent Materials(GCL DCIM) Technische Universität DresdenDresden 01062Germany Institute for Materials Science and Max Bergmann Center of Biomaterials Technische Universität DresdenDresden 01069Germany Center for Advancing Electronics Dresden Technische Universität DresdenDresden 01069Germany

The van der Waals heterostructures have evolved as novel materials for complementing the Si-based semiconductor ***-10 noble metal dichalcogenides(e.g.,PtS_(2),PtSe_(2),PdS_(2),and PdSe_(2))have been listed into two-dimensional(2D)materials toolkit to assemble van der Waals *** them,PdSe_(2) demonstrates advantages of high stability in air,high mobility,and wide tunable ***,the regulation of p-type doping of PdSe_(2) remains unsolved problem prior to fabricating p–n junction as a fundamental platform of semiconductor ***,a quantitative method for the controllable doping of PdSe_(2) is yet to be *** this study,the doping level of PdSe_(2) was correlated with the concentration of Lewis acids,for example,SnCl_(4),used for *** the transfer characteristics,the threshold voltage(the gate voltage corresponding to the minimum drain current)increased after SnCl_(4) soaking ***_(2) transistors were soaked in SnCl_(4) solutions with five different *** threshold voltages from the as-obtained transfer curves were extracted for linear fitting to the threshold voltage versus doping concentration correlation *** study provides in-depth insights into the controllable p-type doping of PdSe_(2).It may also push forward the research of the regulation of conductivity behaviors of 2D materials.

关键词： two-dimensional(2D)materials Lewis acid treatment p-type doping field-effect transistors transfer characteristic

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Combining lymph node ratio to develop prognostic models for postoperative gastric neuroendocrine neoplasm patients

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World Journal of Gastrointestinal Oncology 2024年第8期16卷 3507-3520页

作者： wen Liu Hong-Yu Wu Jia-Xi Lin shu-Ting Qu Yi-Jie Gu Jin-Zhou Zhu Chun-Fang Xu Department of Gastroenterology Changzhou Hospital of Traditional Chinese MedicineChangzhou 213000Jiangsu ProvinceChina Department of Gastroenterology The First Affiliated Hospital of Soochow UniversitySuzhou 215006Jiangsu ProvinceChina Department of Gastroenterology Suzhou Ninth Hospital Affiliated to Soochow UniversitySuzhou 215200Jiangsu ProvinceChina

BACKGROUND Lymph node ratio(LNR)was demonstrated to play a crucial role in the prognosis of many ***,research concerning the prognostic value of LNR in postoperative gastric neuroendocrine neoplasm(NEN)patients was *** To explore the prognostic value of LNR in postoperative gastric NEN patients and to combine LNR to develop prognostic *** A total of 286 patients from the Surveillance,Epidemiology,and End Results database were divided into the training set and validation set at a ratio of 8:2.92 patients from the First Affiliated Hospital of Soochow University in China were designated as a test *** regression analysis was used to explore the relationship between LNR and disease-specific survival(DSS)of gastric NEN *** survival forest(RSF)algorithm and Cox proportional hazards(CoxPH)analysis were applied to develop models to predict DSS respectively,and compared with the 8th edition American Joint Committee on Cancer(AJCC)tumornode-metastasis(TNM)*** Multivariate analyses indicated that LNR was an independent prognostic factor for postoperative gastric NEN patients and a higher LNR was accompanied by a higher risk of *** RSF model exhibited the best performance in predicting DSS,with the C-index in the test set being 0.769[95%confidence interval(CI):0.691-0.846]outperforming the CoxPH model(0.744,95%CI:0.665-0.822)and the 8th edition AJCC TNM staging(0.723,95%CI:0.613-0.833).The calibration curves and decision curve analysis(DCA)demonstrated the RSF model had good calibration and clinical ***,the RSF model could perform risk stratification and individual prognosis prediction *** A higher LNR indicated a lower DSS in postoperative gastric NEN *** RSF model outperformed the CoxPH model and the 8th edition AJCC TNM staging in the test set,showing potential in clinical practice.

关键词： Gastric neuroendocrine neoplasm Lymph node ratio Disease-specific survival Random survival forest Predictive model

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Structural Properties of Ions and Polyelectrolytes in Aqueous Solutions under External Electric Fields:The Sign Effect

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Chinese Journal of Polymer Science 2024年第9期42卷 1341-1352,I0007页

作者： Cheng-Jiang Lin Jun-Jun Wang Yuan Jiang shu-Li Chen Hong-Fei Li wen-Han Zhao Qing-Rong Huang Chang-Ru Rong Xiao-Zheng Duan State Key Laboratory of Polymer Physics and Chemistry Changchun Institute of Applied ChemistryChinese Academy of SciencesChangchun130022China School of Applied Chemistry and Engineering University of Science and Technology of ChinaHefei230026China National Key Laboratory of Advanced Vehicle Integration and Control China FAW Group Co.Ltd.Changchun130013China State Key Laboratory of Molecular Engineering of Polymers Department of Macromolecular ScienceFudan UniversityShanghai200438China Department of Food Science Rutgers University65 Dudley RoadNew BrunswickNew Jersey08901USA

We utilize molecular dynamics simulations to investigate the microstructures of ions and polyelectrolytes in aqueous solutions under external electric *** focusing on the multi-body interactions between ionic components and H_(2)O molecules,as well as their responses to the external electric fields,we clarify several nontrivial molecular features of the ionic and polyelectrolyte solutions,such as the solvations of cations and anions,clustering of the ions,and dispersions/aggregations of polyelectrolyte chains,as well as the corresponding responses of H_(2)O molecules in these *** simulations illustrate the variations in structures of ionic solutions caused by reversing the charge sign of the ions,and elucidate the disparity in structures between anionic and cationic polyelectrolyte solutions in the presence of the external electric *** work clarifies the mechanism for the alternations in complex multi-body interactions in aqueous solutions caused by the application electric field,which can contribute to the fundamental understanding of the physical and chemical natures of ion-containing and charged polymeric systems.

关键词： Polyelectrolyte Ions Aqueous solutions External electric fields Asymmetric dipole

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The prognostic value of collateral circulation in coronary chronic total occlusion underwent percutaneous coronary intervention

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Journal of Geriatric Cardiology 2024年第2期21卷 232-241页

作者： Xiao-Ying HU Wei-xian YANG Chang-Dong GUAN Li-Hua XIE Ke-Fei DOU Yong-Jian WU Jin-Qing YUAN Jie QIAN Yue-Jin YANG shu-Bin QIAO Lei SONG Department of Cardiology Fuwai HospitalNational Center for Cardiovascular DiseasesChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina National Clinical Research Center for Cardiovascular Diseases BeijingChina Catheterization Laboratories Fuwai HospitalNational Center for Cardiovascular DiseasesChinese Academy of Medical Sciences and Peking Union Medical CollegeBeijingChina

BACKGROUND The prognostic value of coronary collateral circulation(CC)in patients undergoing chronic total occlusion(CTO)percutaneous coronary intervention(PCI)is *** purpose of the study was to assess the prognostic value of current two CC grading systems and their association with long-term outcomes in patients with CTO underwent *** We consecutively enrolled patients with single-vessel CTO underwent PCI between January 2010 and *** patients were categorized into well-developed or poor-developed collaterals group according to angiographic Werner's CC(grade 2 *** 0–1)or Rentrop(grade 3 *** 0–2)grading *** primary endpoint was 5-year cardiac *** Of 2452 enrolled patients,the overall technical success rate was 74.1%.Well-developed collaterals were present in686 patients(28.0%)defined by Werner's CC grade 2,and in 1145 patients(46.7%)by Rentrop grade *** to Werner's CC grading system,patients with well-developed collaterals had a lower rate of 5-year cardiac death compared with those with poordeveloped collaterals(1.6%vs.3.3%,P=0.02),those with suboptimal recanalization was associated with higher rate of 5-year cardiac death compared with optimal recanalization(4.7%vs.0.8%,P=0.01)and failure patients(4.7%vs.1.6%,P=0.12).However,the similar effect was not shown in Rentrop grading *** In patients with the single-vessel CTO underwent PCI,well-developed collaterals by Werner's CC definition were associated with lower rate of 5-year cardiac ***'s CC grading system had a greater prognostic value than Rentrop grading system in patients with CTO underwent PCI.

关键词： coronary collateral occlusion

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Searching for the Highest Energy of Pulsation and Critical Luminosity of Swift J0243.6+6124 Observed by Insight-HXMT

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Research in Astronomy and Astrophysics 2024年第5期24卷 61-69页

作者： Qing-Xia Zhao xian Hou Ming-Yu Ge shuang-Nan Zhang Yun-xiang Xiao You-Li Tuo Zi-Xu Yang Ling-Da Kong Jin-Lu Qu shu Zhang Jian-Cheng Wang Yunnan Observatories Chinese Academy of SciencesKunming 650216China Key Laboratory of Particle Astrophysics Institute of High Energy PhysicsChinese Academy of SciencesBeijing 100049China University of Chinese Academy of Sciences ChineseAcademy of SciencesBeijing 100049China Key Laboratory for the Structure and Evolution of Celestial Objects Chinese Academy of SciencesKunming 650216China Institut fur Astronomic und Astrophysik Sand 1D-72076 TabingenGemany School of Physics and Optoelectronic Engineering Shandong University of TechnologyZibo 255000China

Owing to the broad energy coverage of Insight-HXMT in the hard X-ray band,we detected the highest energy of pulsation exceeding 200 keV around the 2017–2018 outburst peak of the first Galactic pulsating ultraluminous X-ray source (PULX) Swift J0243.6+6124,which is the highest energy detected from PULXs to *** also obtained the highest energy of pulsation of every exposure during the outburst in 2017–2018,and found the highest energy is roughly positively correlated with *** our newly developed method,we identified the critical luminosity being 4×10^(38)erg s^(-1) when the main peaks of the low and high energy pulse profiles became aligned,which separates the fan-beam dominated and pencil-beam dominated accretion *** the critical luminosity,the phase of the main peak shifted gradually from 0.5 to 0.8 until the outburst peak in al energy bands is reached,which is in agreement with the phase shift found previously at low *** result is consistent with what is derived from spectral analysis.

关键词： (stars:)pulsars-individual(Swift J0243.6+6124)-X-rays binaries–stars neutron

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基于高光谱的砀山酥梨炭疽病害等级分类研究

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计算机科学 2017年第S1期44卷 216-219,223页

作者：温淑娴李绍稳金秀赵刘江寒安徽农业大学信息与计算机学院合肥230036 安徽农业大学植物保护学院合肥230036

为了检测病害的不同程度等级,以接种炭疽病的砀山酥梨为研究对象,利用高光谱成像技术对病害进行建模分类。在400~1000nm光谱区域采集砀山酥梨样本接种炭疽病初期到发病、直至腐烂整个过程的时序高光谱图像;采用阈值分割法对图像进行背... 详细信息

为了检测病害的不同程度等级,以接种炭疽病的砀山酥梨为研究对象,利用高光谱成像技术对病害进行建模分类。在400~1000nm光谱区域采集砀山酥梨样本接种炭疽病初期到发病、直至腐烂整个过程的时序高光谱图像;采用阈值分割法对图像进行背景分割,并基于有效的光谱区域做主成分分析,选取第二主成分(PC2)提取染病的感兴趣区域,并对感兴趣区域用权重系数法作特征值提取;采用非监督的分类算法对特征值进行聚类分析。通过对210个样本集进行观察分析发现,样本分类的有效程度为98.41%。实验结果表明,采用高光谱成像无损检测技术对砀山酥梨炭疽病不同程度的分类是有效的。

关键词：高光谱成像技术砀山酥梨炭疽病光谱分析图像处理分类

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结直肠癌患者血清miR-92a-3p表达水平及其临床意义

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临床检验杂志 2015年第10期33卷 756-759页

作者：温淑娴温旺荣暨南大学附属第一医院临床检验中心广州510632

目的分析miR-92a-3p在体检健康者、结直肠腺瘤息肉患者以及结直肠癌（CRC）患者手术前后血清中的相对表达水平,探讨其在CRC临床诊断中的应用价值。方法用Trizol法分别对30例体检健康者、25例结直肠腺瘤息肉患者和40例CRC患者术前及术后... 详细信息

目的分析miR-92a-3p在体检健康者、结直肠腺瘤息肉患者以及结直肠癌（CRC）患者手术前后血清中的相对表达水平,探讨其在CRC临床诊断中的应用价值。方法用Trizol法分别对30例体检健康者、25例结直肠腺瘤息肉患者和40例CRC患者术前及术后的血清进行总RNA提取,用实时荧光定量PCR检测miR-92a-3p的相对表达水平,分析其在各组中的表达差异及其与CRC临床病理参数的关系,以受试者工作曲线确定血清miR-92a-3p的CRC诊断效能。结果 CRC术前组血清miR-92a-3p的表达水平高于结直肠腺瘤息肉组（Z=4.75,P〈0.01）、CRC术后组（Z=4.28,P〈0.01）和健康人对照组（Z=8.00,P〈0.01）;健康人对照组血清miR-92a-3p的表达水平低于CRC术后组（Z=4.08,P〈0.01）和结直肠腺瘤息肉组（Z=2.70,P=0.01）;结直肠腺瘤息肉组和CRC术后组的血清miR-92a-3p的表达水平差异无统计学意义（Z=0.99,P=0.32）;血清miR-92a-3p鉴别CRC的ROC曲线下面积（AUCROC）为0.899（95%CI：0.840-0.959）,当cut off值为2.75时,敏感性和特异性均为80%;血清miR-92a-3p的高低与CRC的浸润深度（Z=2.14,P=0.03）、淋巴结转移（Z=2.86,P=0.04）、TNM分期（Z=2.93,P〈0.01）等临床病理参数关系密切。结论血清miR-92a-3p可能为临床上CRC的筛查、病情监测等方面提供实验室依据。

关键词：结直肠癌 miR-92a-3p 血清标志物

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Preoperative controlling nutritional status as an optimal prognostic nutritional index to predict the outcome for colorectal cancer

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World Journal of Gastrointestinal Oncology 2024年第2期16卷 343-353页

作者： Li-xiang Liu Hao Wang Bo Gao Ting-Ting Xu Qing-Gang Yuan Shi-Zhen Zhou Chao Ding Ji Miao wen-xian Guan Department of General Surgery Nanjing Drum Tower HospitalNanjing Drum Tower Hospital Clinical CollegeNanjing Medical UniversityNanjing 210008Jiangsu ProvinceChina Department of General Surgery Nanjing Drum Tower HospitalThe Affiliated Hospital of Medical SchoolNanjing UniversityNanjing 210008Jiangsu ProvinceChina Department of Clinical Nutrition Nanjing Drum Tower HospitalThe Affiliated Hospital of Nanjing University Medical SchoolNanjing 210008Jiangsu ProvinceChina School of Chinese Materia Medica Nanjing University of Chinese MedicineNanjing 210008Jiangsu ProvinceChina Department of General Surgery Nanjing Drum Tower Clinical College of Xuzhou Medical UniversityNanjing 210008Jiangsu ProvinceChina

BACKGROUND The controlling nutritional status(CONUT)score effectively reflects a patient’s nutritional status,which is closely related to cancer *** study invest-igated the relationship between the CONUT score and prognosis after radical surgery for colorectal cancer,and compared the predictive ability of the CONUT score with other *** To analyze the predictive performance of the CONUT score for the survival rate of colorectal cancer patients who underwent potentially curative *** This retrospective analysis included 217 patients with newly diagnosed *** CONUT score was calculated based on the serum albumin level,total lymphocyte count,and total cholesterol *** cutoff value of the CONUT score for predicting prognosis was 4 according to the Youden Index by the receiver operating characteristic *** associations between the CONUT score and the prognosis were performed using Kaplan-Meier curves and Cox regression *** Using the cutoff value of the CONUT score,patients were stratified into CONUT low(n=189)and CONUT high groups(n=28).The CONUT high group had worse overall survival(OS)(P=0.013)and relapse-free survival(RFS)(P=0.015).The predictive performance of CONUT was superior to the modified Glasgow prognostic score,the prognostic nutritional index,and the neutrophil-to-lymphocyte ***,the predictive performances of CONUT+tumor node metastasis(TNM)stage for 3-year OS[area under the receiver operating characteristics curve(AUC)=0.803]and 3-year RFS(AUC=0.752)were no less than skeletal muscle mass index(SMI)+TNM *** CONUT score was negatively correlated with SMI(P<0.01).CONCLUSION As a nutritional indicator,the CONUT score could predict long-term outcomes after radical surgery for colorectal cancer,and its predictive ability was superior to other *** correlation between the CONUT score and skeletal muscle may be one of the factors that play a predictive role.

关键词： Controlling nutritional status Colorectal cancer Prognostic marker Sarcopenia Skeletal muscle

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Role of gut microbiota in Crohn’s disease pathogenesis:Insights from fecal microbiota transplantation in mouse model

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World Journal of Gastroenterology 2024年第31期30卷 3689-3704页

作者： Qiang Wu Lian-wen Yuan Li-Chao Yang Ya-Wei Zhang Heng-Chang Yao Liang-Xin Peng Bao-Jia Yao Zhi-xian Jiang Geriatric Surgery of Department of General Surgery The Second Xiangya HospitalCentral South UniversityChangsha 410011Hunan ProvinceChina

BACKGROUND Inflammatory bowel disease,particularly Crohn’s disease(CD),has been associated with alterations in mesenteric adipose tissue(MAT)and the phenomenon termed“creeping fat”.Histopathological evaluations showed that MAT and intestinal tissues were significantly altered in patients with CD,with these tissues characterized by inflammation and *** To evaluate the complex interplay among MAT,creeping fat,inflammation,and gut microbiota in *** Intestinal tissue and MAT were collected from 12 patients with *** manifestations and protein expression levels were analyzed to determine lesion *** samples were collected from five recently treated CD patients and five control subjects and transplanted into *** intestinal and mesenteric lesions in these mice,as well as their systemic inflammatory status,were assessed and compared in mice transplanted with fecal samples from CD patients and control *** Pathological examination of MAT showed significant differences between CDaffected and unaffected colons,including significant differences in gut microbiota *** microbiota transplantation(FMT)from clinically healthy donors into mice with 2,4,6-trinitrobenzene sulfonic acid(TNBS)-induced CD ameliorated CD symptoms,whereas FMT from CD patients into these mice exacerbated CD ***,FMT influenced intestinal permeability,barrier function,and levels of proinflammatory factors and ***,FMT from CD patients intensified fibrotic changes in the colon tissues of mice with TNBS-induced *** Gut microbiota play a critical role in the histopathology of *** MAT and creeping fat may therefore have potential in the treatment of patients with CD.

关键词： Mesenteric adipose tissue Crohn’s disease Fecal microbiota transplantation Intestinal fibrosis Intestinal barrier

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