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High mobility group-box 3 overexpression is associated with poor prognosis of resected gastric adenocarcinoma

World Journal of Gastroenterology 2012年第48期18卷 7319-7326页

作者： Hua-Rong Tang xian-qin luo Gang Xu Yan Wang ZhiJun Feng Hui Xu Ya-Wei Shi qin Zhang Li-Guang Wu Chun-Quan Xue Cheng-Wei Wang Chao-Yang Wu Department of Oncology Affiliated People's Hospital of Jiangsu University

AIM:To elucidate high mobility group-box 3(HMGB3) protein expression in gastric adenocarcinoma,its potential prognostic relevance,and possible mechanism of ***:Ninety-two patients with gastric adenocarcinomas surgically removed entered the ***3 expression was determined by immunohistochemistry through a tissue microarray *** clinicopathologic characteristics of all patients were recorded,and regular follow-up was made for all *** inter-relationship of HMGB3 expression with histological and clinical factors was analyzed using nonparametric *** analysis was carried out by Kaplan-Meier(log-rank) and multivariate Cox(Forward LR) analyses between the group with overexpression of HMGB3 and the group with low or no HMGB3 ex-pression to determine the prognosis value of HMGB3 expression on overall ***,HMGB3 expression was knocked down by small hairpin RNAs(shRNAs) in the human gastric cancer cell line BGC823 to observe its influence on cell biological *** MTT method was utilized to detect gastric cancer cell proliferation changes,and cell cycle distribution was analyzed by flow ***:Among 92 patients with gastric adenocarcinomas surgically removed in this study,high HMGB3 protein expression was detected in the gastric adenocarcinoma tissues vs peritumoral tissues(P < 0.001).Further correlation analysis with patients' clinical and histology variables revealed that HMGB3 overexpression was obviously associated with extensive wall penetration(P = 0.005),a positive nodal status(P = 0.004),and advanced tumor-node-metastasis(TNM) stage(P = 0.001).But there was no correlation between HMGB3 overexpression and the age and gender of the patient,tumor localization or histologic *** Kaplan-Meier survival analysis disclosed significant differences in overall survival between the HMGB3 overexpression group and the HMGB3 no or low expression group(P = 0.006).The expected overall survival

关键词： High mobility group-box 3 Gastric adenocarcinoma Prognosis Cell proliferation Cell cycle

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GPS: graph contrastive learning via multi-scale augmented views from adversarial pooling

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Science China(Information Sciences) 2025年第1期68卷 145-158页

作者： Wei JU Yiyang GU Zhengyang MAO Ziyue QIAO Yifang qin Xiao luo Hui XIONG Ming ZHANG School of Computer Science National Key Laboratory for Multimedia Information ProcessingPeking University Artificial Intelligence Thrust The Hong Kong University of Science and Technology Department of Computer Science University of California

Self-supervised graph representation learning has recently shown considerable promise in a range of fields, including bioinformatics and social networks. A large number of graph contrastive learning approaches have shown promising performance for representation learning on graphs, which train models by maximizing agreement between original graphs and their augmented views(i.e., positive views). Unfortunately, these methods usually involve pre-defined augmentation strategies based on the knowledge of human experts. Moreover, these strategies may fail to generate challenging positive views to provide sufficient supervision signals. In this paper, we present a novel approach named graph pooling contrast(GPS) to address these *** by the fact that graph pooling can adaptively coarsen the graph with the removal of redundancy, we rethink graph pooling and leverage it to automatically generate multi-scale positive views with varying emphasis on providing challenging positives and preserving semantics, i.e., strongly-augmented view and weakly-augmented view. Then, we incorporate both views into a joint contrastive learning framework with similarity learning and consistency learning, where our pooling module is adversarially trained with respect to the encoder for adversarial robustness. Experiments on twelve datasets on both graph classification and transfer learning tasks verify the superiority of the proposed method over its counterparts.

关键词： graph representation learning graph neural networks graph contrastive learning graph augmentations graph pooling

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青钱柳叶乙酸乙酯部位化学成分的研究

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中国药学杂志 2018年第6期53卷 418-420页

作者：王鹏程周先丽罗琴黄晓黄四新何常梅徐庆陈旭梁成钦桂林医学院广西桂林541004

目的研究我国特有植物青钱柳叶中的化学成分。方法利用硅胶色谱法、Sephadex LH-20柱色谱和半制备HPLC等技术手段进行分离纯化,并通过波谱学方法鉴定化合物的结构。结果从青钱柳叶的乙酸乙酯提取物中分离出11个化合物,分别为鉴定为hirsu... 详细信息

目的研究我国特有植物青钱柳叶中的化学成分。方法利用硅胶色谱法、Sephadex LH-20柱色谱和半制备HPLC等技术手段进行分离纯化,并通过波谱学方法鉴定化合物的结构。结果从青钱柳叶的乙酸乙酯提取物中分离出11个化合物,分别为鉴定为hirsutrin(1)、高山苷B(2)、山柰酚(3)、sterubin(4)、丁香酸(5)、香草酸(6)、2-羟基-5-甲氧基苯甲酸(7)、2-methoxy-4-hydroxycinnamic acid(8)、cis-p-hydroxycinnamic acid(9)、对羟基苯甲酸(10)和对羟基苯甲醛(11)。结论除化合物3和6外其他化合物是首次从该植物中分离得到。

关键词：青钱柳结构鉴定 2-methoxy-4-hydroxycinnamic acid cis-p-hydroxycinnamic acid 香草酸对羟基苯甲酸山柰酚

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Quantitative reconstruction of salinity and precipitation changes in Central Asia over the past 3200 years using diatom and pollen records of lacustrine sediment in Aibi Lake of SW Junggar Basin

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Journal of Earth Science 2025年

作者： Long Pan Guoqiang Li Xiaoyan Wang Ming Jin Xinrong He luo qin Zhong Wang Wenwei Zhao Chunzhu Chen Yuanlu Liu Jin Yang Lele Shu Key Laboratory of Western China's Environmental Systems (Ministry of Education)， College of Earth and Environmental Sciences， Lanzhou University College of Earth Sciences， Chengdu University of Technology School of Geographic Science， Nantong University Key Laboratory of Land Surface Process and Climate Change in Cold and Arid Regions， Northwest Institute of Eco-Environment and Resources， Chinese Academy of Sciences

The response of lake environments in arid Central Asia to climate change during the Late Holocene over the centennial to millennial timescales remains contentious. The reason that primarily paleoenvironmental proxies interpreting diverse and the scarcity of accurate quantitative reconstruction records. In this study， we employed diatoms and pollen records from lacustrine sediment in the Aibi Lake of SW Junggar Basin to quantitatively reconstruct salinity and watershed precipitation amounts while exploring the associated forcing mechanism. The results indicate that Aibi Lake salinity varied between 2 g/L and 47 g/L during the Late Holocene period， indicating a generally brackish environment， and corresponding to prevailing Tryblionella granulata diatom in the lake basin. Westerly-dominated annual precipitation varied between 250 mm and 320 mm during the Late Holocene period in the basin， exhibiting a generally semi-arid environment and prevailing desert steppe vegetation. The Aibi Lake has a low salinity of average value of ～15 g/L. It exhibits elevated precipitation (average value of ～280 mm) during the periods of the Roman Warm Period (2900-1990 cal yr BP)， Dark Age Cold Period (1570-1140 cal yr BP)， and Little Ice Age (590-120 cal yr BP). The reconstructed precipitation and salinity exhibit a periodicity of ～200 years， which is consistent with the cycle of phase changes of the North Atlantic Oscillation (NAO) and Total Solar Irradiance (TSI). This correlation suggests that variations in NOA and TSI significantly influence the precipitation and salinity changes in Central Asia over centennial to millennial timescales.

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昆明山海棠片所致大鼠睾丸损伤的病理学研究

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生殖与避孕 2011年第8期31卷 514-519页

作者：黄思行刘剑毅黄文涛赵丽罗先钦徐嘉红董志重庆市中药研究院重庆400065 重庆医科大学药学院重庆400016

目的:观察昆明山海棠片连续给药90 d对大鼠睾丸结构的损伤。方法:80只SD雄性大鼠随机分为5.0 g/kg、10.0 g/kg、20.0 g/kg 3个给药组及正常对照组(等量蒸馏水),连续灌胃3个月。于给药1个月、2个月、3个月,采用光学显微镜、透射电子显微... 详细信息

目的:观察昆明山海棠片连续给药90 d对大鼠睾丸结构的损伤。方法:80只SD雄性大鼠随机分为5.0 g/kg、10.0 g/kg、20.0 g/kg 3个给药组及正常对照组(等量蒸馏水),连续灌胃3个月。于给药1个月、2个月、3个月,采用光学显微镜、透射电子显微镜观察睾丸组织形态学的变化。结果:各给药组均可引起大鼠生精细胞损伤和破坏;睾丸超微结构的改变主要包括各级生精细胞坏死、空泡化,细胞质内溶酶体数量增多,线粒体肿胀、固缩,内质网扩张,细胞核染色质异常分布、溶解、固缩,核崩解消失等;支持细胞、间质细胞未见明显异常。结论:昆明山海棠片连续给药主要导致大鼠睾丸生精细胞超微结构损伤,其损伤存在剂量效应和时间效应关系。

关键词：昆明山海棠片(THH) 睾丸损伤病理超微结构

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Preparation of PMAA-coated Dysprosium Ferrite Ferrofluids and Study on the Superparamagnetism

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Chemical Research in Chinese Universities 2002年第1期18卷 30-33页

作者： ZHU Chuan-zheng SHEN qin HU xian-luo ZHANG Jie ZHAO Hong Department of Chemistry East China Normal UniversityShanghai 200062P.R.China

The present paper covers the unprecedented preparation of stable aqueous Dy-ferrite ferrofluids, whereby colloidal Dy_ δ Fe_ 3- δ O_4 ultrafine particles were dispersed by using polymeric surfactant PMAA. The stabilities of the series of the ferrofluids were studied according to the stability indexes. The susceptibility measurements were made with a Farady-type magnetic balance at various temperatures and magnetic field intensities. In terms of Langevin function, the σ versus H/T curves showed that Dy-ferrite ferrofluids exhibited superparamagnetism behavior and the blocking temperatures were in the range from 160 to 200 K. Moreover, the ferrofluids were characterized by means of Infra-red spectroscopy, transmission electron microscopy, X-ray diffraction, and Mssbauer spectroscopy.

关键词： Dy-ferrite ferrofluid Susceptibility Superparamagnetism Stability PMAA

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流态固化土水泥剂量EDTA滴定法检测影响因素分析

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大连理工大学学报 2025年第1期65卷 79-88页

作者：罗義錬罗强蒋良潍张良胡秋辉覃李兵西南交通大学土木工程学院四川成都610031 四川省名扬建设工程管理有限公司四川成都610017

水泥剂量是控制流态固化土强度的关键指标,工程中多采用EDTA滴定法进行检测,但流态固化土制备过程中含水量与水泥水化时间偏差会导致检测数据失真.研究了EDTA二钠标准溶液消耗量随水泥剂量、含水量和水化时间三因素的变化规律;基于回归... 详细信息

水泥剂量是控制流态固化土强度的关键指标,工程中多采用EDTA滴定法进行检测,但流态固化土制备过程中含水量与水泥水化时间偏差会导致检测数据失真.研究了EDTA二钠标准溶液消耗量随水泥剂量、含水量和水化时间三因素的变化规律;基于回归正交试验,开展了多因素及交互影响的主次关系分析与显著性评价,建立了考虑三因素综合影响的EDTA二钠标准溶液消耗量回归方程.试验表明,EDTA二钠标准溶液消耗量与水泥剂量近似呈线性正相关,随含水量增大或水化时间延长近似线性降低;影响因素主次顺序为水泥剂量、含水量、水化时间,交互作用不显著;因素水平在回归正交试验组范围内,回归方程计算值误差低于2.40%;含水量或水化时间分别偏差2.9%、86min,将造成水泥剂量检测值增减约0.5%.研究成果可为完善流态固化土水泥剂量检测技术提供参考.

关键词：流态固化土水泥剂量 EDTA滴定法回归正交试验因素主次关系

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Asymptotic in the Ordered Networks with a Noisy Degree Sequence

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Journal of Systems Science & Complexity 2022年第3期35卷 1137-1153页

作者： luo Jing qin Hong Department of Mathematics and Statistics South-Central University for NationalitiesWuhan 430074China Department of Statistics Zhongnan University of Economics and LawWuhan 430073China

In the case of the differential privacy under the Laplace mechanism,the asymptotic properties of parameter estimators have been derived in some special network models with common binary values,but the asymptotic properties in network models with the ordered values are *** this paper,the authors release the degree sequences of the ordered networks under a general noisy mechanism with the discrete Laplace mechanism as a special *** authors establish the asymptotic result including the consistency and asymptotical normality of the parameter estimator when the number of parameters goes to *** and a real data example are provided to illustrate asymptotic results.

关键词： Asymptotic normality consistency degree differential privacy network data

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Finite element modeling of consolidation process of Si C fiber-reinforced titanium matrix composites via matrix-coated fiber method

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Rare Metals 2015年第12期34卷 844-850页

作者： xiang-Hong Xu Yan-qing Yang xian luo Lin qin Ju-Hong Lou qing Sun Shazhou Polytechnic Institute of Technology State Key Laboratory of Solidification Processing Northwestern Polytechnical University

The consolidation process of SiCf/Ti-6Al-4V composites by matrix-coated fiber (MCF) method via hot pressing was investigated using finite element modeling (FEM). By analyzing the elastic–plastic contact deformation of the representative aligned coated fibers, the consolidation maps delineating the time–temperature–pressure relationship for full densification were constructed. Both the flow coefficient and the contact area coefficient used to describe the contact deformation were calculated according to the model. In addition, the effect of fiber content on matrix stress distribution was analyzed. The results show that fiber content is a significant factor that influences the densification process. Higher fiber content will lower the consolidation rate.

关键词： Titanium matrix composites Consolidation Finite element modeling Matrix-coated fiber

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Theoretical Design of Defects as a Driving Force for Ion Transport in Li_(3)OBr Solid Electrolyte

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Energy & Environmental Materials 2024年第3期7卷 143-153页

作者： Xingyun luo Yanlu Li xian Zhao State Key Lab of Crystal Materials and Institute of Crystal Materials Shandong UniversityJinan 250100China Center for Optics Research and Engineering Shandong UniversityQingdao 266237China

Due to ever-increasing concerns about safety issues in using Li ionic batteries,solid electrolytes have extensively *** Li-rich antiperovskite Li_(3)OBr has been considered as a promising solid electrolyte candidate,but it still suffers challenges to achieve a high ionic conductivity owing to the high intrinsic symmetry of the crystal ***,we presented a design strategy that introduces various point defects and grain boundaries to break the high lattice symmetry of Li_(3)OBr crystal,and their effect and microscopic mechanism of promoting the migration of Li-ion were explored *** has been found that Li_(i)are the dominant defects responsible for the fast Li-ion diffusion in bulk Li_(3)OBr and its surface,but they are easily trapped by the grain boundaries,leading to the annihilating of the Frenkel defect pair V'_(Li)+Li_(i),and thus limits the V'_(Li)diffusion at the grain *** V_(Br)defect near the grain boundaries can effectively drive V'_(Li)across the grain boundary,thereby converting the carrier of Li^(+)migration from Li,in the bulk and surface to V'_(Li)at the grain boundary,and thus improving the ionic conductivity in the whole Li_(3)OBr *** work provides a comprehensive insight into the Li^(+)transport and conduction mechanism in the Li_(3)OBr *** opens a new way of improving the conductivity for all-solid-state Li electrolyte material through the defect design.

关键词： defects density functional theory ionic migration solid electrolyte

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