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1Establishment of cell clones with different metastatic potential from the metastatic hepatocellular carcinoma cell line MHCC97显示文摘ALM To establish clone cells with different metastatic potential for the study of metastasis-related mechanisms. METHODS Cloning procedure was performed on parental hepatocellular carcinoma (HCC) cell line MHCC97. andbiological characteristics of the target clones selected by in vivo screening were studied.``RESULTS Two clones with high MHCC97-H and IowMHCC9--L1 metastatic potential were isolated from theparent cell line. Compared with MHCC97-L. MHCC97-H hadsmaller cell size average cell diameter 43 um vs 50 μmand faster in vitro and in vivo growth rate tumor celldoubling time was 34.2 h vs 60.0 h. The main ranges ofchromosomes were 5.5 58 in MHCC97-H and 57 62 inMHCC97-L. Boyden chamber in vitro invasion assay demonstrated that the number of penetrating cells through the artificial basement membrane was 137.5 - 11 .0) cellsfield for MHC_C99--H vs 17.7 - 6.3) field for MHCC97-L.The proportions of cells in GO Gl phase. S phase, and G_ M phase for MHCC97-H MHCC97-L were 0.56 6.65.0.28 0.25 and 0.l6 0.10, respectively, as measured by flow cytometry. The serum AFP levels in nude mice 5 wk after orthotopic implantation of tumor tissue were ( 24666 μg. L for MHCC97-H and (91- 66) μg' L 1 for MHCC97L. The pulmonary metastatic rate was 100% (10-10) vs40% 4- 10).``CONCLUSION Two clones of the same genetic background but with different biological behaviors were established, which could be valuable models for investigation on HCC metastasis.Yan Li Zhao-You Tang Sheng-Long Ye Yin-Kun Liu Jie Chen Qiong Xue Jun Chen Dong-Mei Gao Wei-Hua Bao Liver Cancer Institute and Zhongshan Hospital of Fudan University (Former Liver Cancer Institute of Shanghai Medical University),Shanghai 200032,China 2001World Journal of Gastroenterology2001,7,5:111
2Towards 6G wireless communication networks:vision,enabling technologies,and new paradigm shifts显示文摘The fifth generation(5G)wireless communication networks are being deployed worldwide from 2020 and more capabilities are in the process of being standardized,such as mass connectivity,ultra-reliability,and guaranteed low latency.However,5G will not meet all requirements of the future in 2030 and beyond,and sixth generation(6G)wireless communication networks are expected to provide global coverage,enhanced spectral/energy/cost efficiency,better intelligence level and security,etc.To meet these requirements,6G networks will rely on new enabling technologies,i.e.,air interface and transmission technologies and novel network architecture,such as waveform design,multiple access,channel coding schemes,multi-antenna technologies,network slicing,cell-free architecture,and cloud/fog/edge computing.Our vision on 6G is that it will have four new paradigm shifts.First,to satisfy the requirement of global coverage,6G will not be limited to terrestrial communication networks,which will need to be complemented with non-terrestrial networks such as satellite and unmanned aerial vehicle(UAV)communication networks,thus achieving a space-airground-sea integrated communication network.Second,all spectra will be fully explored to further increase data rates and connection density,including the sub-6GHz,millimeter wave(mmWave),terahertz(THz),and optical frequency bands.Third,facing the big datasets generated by the use of extremely heterogeneous networks,diverse communication scenarios,large numbers of antennas,wide bandwidths,and new service requirements,6G networks will enable a new range of smart applications with the aid of artificial intelligence(AI)and big data technologies.Fourth,network security will have to be strengthened when developing 6G networks.This article provides a comprehensive survey of recent advances and future trends in these four aspects.Clearly,6G with additional technical requirements beyond those of 5G will enable faster and further communications to the extent that the boundary between physical and cyber worlds disappears.Xiaohu YOU Cheng-Xiang WANG Jie HUANG Xiqi GAO Zaichen ZHANG Mao WANG Yongming HUANG Chuan ZHANG Yanxiang JIANG Jiaheng WANG Min ZHU Bin SHENG Dongming WANG Zhiwen PAN Pengcheng ZHU Yang YANG Zening LIU Ping ZHANG Xiaofeng TAO Shaoqian LI Zhi CHEN Xinying MA Chih-Lin I Shuangfeng HAN Ke LI Chengkang PAN Zhimin ZHENG Lajos HANZO Xuemin(Sherman)SHEN Yingjie Jay GUO Zhiguo DING Harald HAAS Wen TONG Peiying ZHU Ganghua YANG Jun WANG Erik GLARSSON Hien Quoc NGO Wei HONG Haiming WANG Debin HOU Jixin CHEN Zhe CHEN Zhangcheng HAO Geoffrey Ye LI Rahim TAFAZOLLI Yue GAO HVincent POOR Gerhard P.FETTWEIS Ying-Chang LIANG 2021Science China(Information Sciences)2021,64,1:122
3Effect of Heat Treatment on Microstructure and Property of Cr13 Super Martensitic Stainless Steel显示文摘The microstructures and mechanical properties of Cr13 super martensitic stainless steel after different heat treatments were studied. The results show that the structures of the steel after quenching are of lath martensite mixed with a small amount of retained austenite. With the raising quenching temperature, the original austenite grain size increases and the lath martensite gradually becomes thicker. The structures of the tempered steel are mixtures of tempered martensite and reversed austenite dispersed in the martensite matrix. The amount of reversed austenite is from 7.54% to 22.49%. After different heat treatments, the tensile strength, the elongation and the HRC hardness of the steel are in the range of 813-1 070 MPa, 10.1%-21.2% and 21.33-32.37, respectively. The steel displays the best comprehensive mechanical properties after the sample is quenched at 1 050 ℃ followed by tempering at 650 ℃.LIU Yu-rong YE Dong YONG Qi-long SU Jie ZHAO Kun-yu JIANG Wen 2011Journal of Iron and Steel Research(International)2011,18,11:49
4Metastatic human hepatocellular carcinoma models in nude mice and cell line with metastatic potential显示文摘Metastatic human HCC model is needed for the studies on mechanism and intervention of metastatic recurrence. By using orthotopic implantation of histologically intact tissues of 30 surgical specimens, a patient like metastatic model of human HCC in nude mice (LCI-D20)and a Iow metastatic model of human HCC in nude mice LCI-D35 ) have been established. All mice with transplanted LCI-D20 tumors exhibited extremely high metastatic ability including spontaneous metastasis to liver, lungs, lymph nodes and peritoneal seeding.Remarkable difference was also found in expression of some of the invasiveness related genes and growth factors between the LCI-D20 and LCI-D35 tumors. PAI-Iincreased gradually following tumor progression in LCID20 model, and correlated with tumor size and AFP level,Phasic expression of tissue intercellular adhesion molecule-I in this model was also observed. Using corneal micropocket model, it was demonstrated that the vascular response induced by LCI-D20 tumor was stronger than that induced by LCI-D35 tumor. Similar report on metastatic human HCC model in nude mice and human HCC cell line with metastatic potential was rarely found in the literature. This LCI-D20 model has been widely used for the studies on intervention of metastasis, including antiangiogenesis, antisense approach, metalloproteinase inhibitor, differentiation inducer, etc. It is concluded that the establishment of metastatic human HCC model in nude mice and human HCC cell line with metastatic potential will provide important models for the in vivo and in vitro study of HCC invasiveness, angiogenesis as well as intervention of HCC recurrence.Zhao-You Tang Fan-Xian Sun Jian Tian Sheng-Long Ye Yin-Kun Liu Kang-Da Liu Qiong Xue Jie Chen Jing-Lin Xia Lun-Xiu Qin Hui-Chuan Sun Lu Wang Jian Zhou Yan Li Zeng-Chen Ma Xin-Da Zhou Zhi-Quan Wu Zhi-Ying Lin Bing-Hui Yang Liver Cancer Institute of Fudan University and Zhongshan Hospital,Shanghai 200032,China 2001World Journal of Gastroenterology2001,7,5:34
5Pathological changes at early stage of multiple organ injury in a rat model of severe acute pancreatitis显示文摘BACKGROUND:Severe acute pancreatitis (SAP) is a commonly seen acute abdominal syndrome characterized by sudden onset,rapid progression and high mortality rate.The damage in peripheral organs may be more severe than that in the pancreas,and can even lead to multiple organ dysfunction.It is critical to recognize early pathological changes in multiple organs.This study aimed to assess the early pathological features of damaged organs in a rat model of SAP.METHODS:Thirty clean grade healthy male Sprague-Dawley rats weighing 250-300 g were randomly divided into a model control group (n=15) and a sham-operated group (n=15).The SAP rat model was induced by sodium taurocholate.Samples of blood and from multiple organs were collected 3 hours after operation.We assessed the levels of IL-6,TNF-α,PLA2,NO,ET-1,MDA,amylases and endotoxin in blood and observed the early pathological changes in multiple damaged organs.RESULTS:Levels of IL-6,TNF-α,PLA2,NO,ET-1 and MDA in serum and of amylase and endotoxin in plasma of the model control group rats were significantly higher than those of the sham-operated group (P<0.01).Different degrees of pathological change were observed in multiple damaged organs.CONCLUSION:Multiple organ injury may occur at the early stage of SAP in rats.Zhang, Xi-Ping Zhang, Jie Ma, Mei-Li Cai, Yang Xu, Ru-Jun Xie, Qi Jiang, Xin-Ge Ye, Qian 2010Hepatobiliary & Pancreatic Diseases International2010,9,1:33
6Efficacy of postoperative adjuvant transcatheter arterial chemoembolization in hepatocellular carcinoma patients with microvascular invasion显示文摘AIM To investigate the efficacy and safety of postoperative adjuvant transcatheter arterial chemoembolization(PA-TACE) in preventing tumor recurrence and improving survival in Barcelona Clinic Liver Cancer(BCLC) early(A) and intermediate(B) stage hepatocellular carcinoma(HCC) patients with microvascular invasion(MVI).METHODS A total of 519 BCLC A or B HCC patients treated by liver resection alone or followed by PA-TACE between January 2012 and December 2015 were studied retrospectively. Univariate and multivariate analyses were performed to investigate the risk factors for recurrence-free survival(RFS) and overall survival(OS). Multiple logistic regression was used to identify the clinicopathological characteristics associated with MVI. The rates of RFS and OS were compared among patients with or without MVI treated with liver resection alone or followed by PA-TACE. RESULTS Univariate and multivariate analyses demonstrated that serum AFP level > 400 ng/m L, tumor size > 5 cm, tumor capsule invasion, MVI, and major hepatectomy were risk factors for poor OS. Tumor capsule invasion, MVI, tumor size > 5 cm, HBV-DNA copies > 1 x 104 IU/m L, and multinodularity were risk factors for poor RFS. Multiple logistic regression identified serum AFP level > 400 ng/m L, tumor size > 5 cm, and tumor capsule invasion as independent predictors of MVI. Both OS and DFS were significantly improved in patients with MVI who received PA-TACE as compared to those who underwent liver resection alone. Patients without MVI did not show a significant difference in OS and RFS between those treated by liver resection alone or followed by PA-TACE.CONCLUSION PA-TACE is a safe adjuvant intervention and can efficiently prevent tumor recurrence and improve the survival of BCLC early-and intermediate-stage HCC patients with MVI.Jia-Zhou Ye Jun-Ze Chen Zi-Hui Li Tao Bai Jie Chen Shao-Liang Zhu Le-Qun Li Fei-Xiang Wu 2017World Journal of Gastroenterology2017,23,41:29
7Programmed death-1 expression is associated with the disease status in hepatitis B virus infection显示文摘AIM: To define the potential role of programmed death-1/programmed death-ligand (PD-1/PD-L) pathway in different hepatitis B virus (HBV) infection disease status; we examined the expression of PD-1 on antigen specific CD8+ T cells in peripheral blood of patients with chronic hepatitis B (CHB) and acute exacerbation of hepatitis B (AEHB) infection. METHODS: The PD-1 level on CD8+ T lymphocytes and the number of HBV specifi c CD8+ T lymphocytes in patients and healthy controls (HCs) were analyzed by staining with pentameric peptide-human leukocyte antigen2 (HLA2) complexes combined with flow cytometry. Real-time quantitative polymerase chain reaction (PCR) was used to measure the serum HBV-DNA levels. RESULTS: The level of PD-1 expression on total CD8+ T cells in CHB patients (13.86% ± 3.38%) was significantly higher than that in AEHB patients (6.80%± 2.19%, P < 0.01) and healthy individuals (4.63% ± 1.23%, P < 0.01). Compared to AEHB patients (0.81% ± 0.73%), lower frequency of HBV-specific CD8+ T cells was detected in chronic hepatitis B patients (0.37% ± 0.43%, P < 0.05). There was an inverse correlation between the strength of HBV-specific CD8+ T-cell response and the level of PD-1 expression. Besides, there was a significant positive correlation between HBV viral load and the percentage of PD-1 expression on CD8+ T cells in CHB and AEHB subjects (R = 0.541, P < 0.01). However, PD-1 expression was not associated with disease flare-ups as indicated by alanine aminotransferase (ALT) levels (R = 0.066, P > 0.05). CONCLUSION: Our results confirm previous reports that HBV specific CD8+ T-cell response in the peripheral blood is more intense in patients with AEHB than in chronic hepatitis B with persistent viral infection. Moreover, there is a negative correlation between the level of PD-1 and the intensity of virus specific CD8+T cell response.Plan Ye Zhi-Hong Weng Shu-Ling Zhang Jian-Ao Zhang Lei Zhao Ji-Hua Dong Sheng-Hua Jie Ran Pang Rong-Hua Wei 2008World Journal of Gastroenterology2008,14,28:25
8Genome-wide Analysis of Plant-specific Dof Transcription Factor Family in Tomato显示文摘The Dof (DNA binding with One Finger) family encoding single zinc finger proteins has been known as a family of plant-specific transcription factors. These transcription factors are involved in a variety of functions of importance for different biological processes in plants. In the current study, we identified 34 Dof family genes in tomato (Solanum lycopersicum L.), distributed on 11 chromosomes. A complete overview of SlDof genes in tomato is presented, including the gene structures, chromosome locations, phylogeny, protein motifs and evolution pattern. Phylogenetic analysis of 34 SlDof proteins resulted in four classes constituting six clusters. In addition, a comparative analysis between these genes in tomato, Arabidopsis (Arabidopsis thaliana L.) and rice (Oryza sativa L.) was also performed. The tomato Dof family expansion has been dated to recent duplication events, and segmental duplication is predominant for the SlDof genes. Furthermore, the SlDof genes displayed differential expression either in their transcript abundance or in their expression patterns under normal growth conditions. This is the first step towards genome-wide analyses of the Dof genes in tomato. Our study provides a very useful reference for cloning and functional analysis of the members of this gene family in tomato and other species.Xiaofeng Cai Yuyang Zhang Chanjuan Zhang Tingyan Zhang Tixu Hu Jie Ye Junhong Zhang Taotao Wang Hanxia Li Zhibiao Ye 2013Journal of Integrative Plant Biology2013,55,6:26
9Prevalence of Thyroid Nodules and Its Relationship with Iodine Status in Shanghai:a Population-based Study显示文摘Objective This study was designed to evaluate the prevalence of thyroid nodules(TNs) and its relationship with urine iodine concentrations(UICs) after the regional rapid economic growth and lifestyle changes. Methods A cross-sectional survey was conducted in the general population aged 15-69 years. A questionnaire regarding general and personal characteristics and relevant information was administered. Ultrasonography of the thyroid was performed, and serum triiodothyronine(T3), tetraiodothyronine(T4), serum thyroid stimulating hormone(TSH), free triiodothyronine(FT3), free tetraiodothyronine(FT4), thyroglobulin antibody(Tg Ab), thyroid peroxidase antibody(TPOAb), and TSH receptor antibody(TRAb) levels were measured for each individual subject. Results The prevalence rates of TNs in the whole population, females and males were 27.76%, 34.04%, and 21.60%, respectively. The prevalence of multiple nodules increased with age, whereas the prevalence peaks differed between males and females. The median UICs in the whole population and females with non-TNs were higher than those of subjects with TNs(P=0.0035, P=0.0068). The median UICs in subjects with a single TN were higher than those in subjects with multiple TNs(P=0.0164, P=0.0127). The result showed a U-shaped curve relationship between UIC and prevalence of TNs. The prevalence of TNs was the lowest when the UIC was 140-400 μg/L. Conclusion The prevalence of TNs was nearly 30% and increased with age. The relationship between UIC and prevalence of TNs is U-shaped, with an increase in risk when the UIC was <140 μg/L and >400 μg/L. Very low or high UIC levels need attention and correction.SONG Jun ZOU Shu Rong GUO Chang Yi ZANG Jia Jie ZHU Zhen Ni MI Ming HUANG Cui Hua YU Hui Ting LU Xi RUAN Ye WU Fan 2016Biomedical and Environmental Sciences2016,29,6:25
10LSCHL4 from Japonica Cultivar, Which Is Allelic to NAL 1, Increases Yield of Indica Super Rice 93-11显示文摘在米饭的高产量的基本房屋是改进叶光合的效率和坐标 sourcesink relationshipin 米饭植物。与词法特点和米饭的叶绿素内容有关的量的特点 loci ( QTL )在出发到成熟的阶段离开 weredetected ,并且与旗帜叶形状和叶绿素内容有关的主要 QTL ( qLSCHL4 )在 recombinant 在两个阶段被检测生来的线构造了 usingthe indica 米饭栽培变种 93-11 和装饰用的梨树米饭栽培变种 Nipponbare 。基于地图的克隆和表示分析证明 LSCHL4 对 NAL1 突变而产生之遗传,基因以前在米饭的狭窄的叶异种报导了。与从 Nipponbare 带 LSCHL4 的向量转变的 Overexpression 线和 93-11 (NIL-9311 ) 的一根 near-isogenic 线显著地增加了叶叶绿素内容,扩大旗帜叶尺寸,和改进圆锥花序类型。NIL-9311 的 averageyield 比 93-11 的高是 18.70% 。这些结果显示 LSCHL4 有多种的功能。探索并且节节上升更产量很高的等位基因类似于为超级米饭繁殖的 LSCHL4 提供一个有效方法在提起米饭产量完成新突破并且产生解决全球食物 safety.Key 词的问题的新 ideasfor:Guang-Heng Zhang Shu-Yu Li Li Wang Wei-Jun Ye Da-Li Zeng Yu-Chun Rao You-Lin Peng Jiang Hu Yao-Long Yang Jie Xu De-Yong Ren Zhen-Yu Gao Li Zhu Guo-Jun Dong Xing-Ming Hu Mei-Xian Yan Long-Biao Guo Chuan-You Li Qian Qian 2014Molecular Plant2014,7,8:23
11Clinicopathologic characteristics and prognosis of gastroenteropancreatic neuroendocrine neoplasms: a multicenter study in South China显示文摘Background: Gastroenteropancreatic neuroendocrine neoplasms(GEP-NENs) are a heterogeneous group of rare tumors. Many issues in terms of epidemiologic features, pathogenesis, and treatment of GEP-NENs are still under discussion. Our study aimed to analyze the clinicopathologic characteristics and prognosis of Chinese patients with GEP-NENs.Methods: Complete clinicopathologic data and survival information of 1183 patients with GEP-NENs treated between 2005 and 2015 were collected from five medical centers in Guangdong Province, China. Patient survival was estimated using the Kaplan–Meier method and analyzed using the log-rank test; prognostic factors were analyzed using the Cox proportional hazards model.Results: The most common tumor location was the rectum(37.4%), followed by the pancreas(28.1%), stomach(20.7%), small intestine(7.2%), appendix(3.4%), and colon(3.3%). After initial definitive diagnosis, 1016(85.9%) patients underwent surgery. The 1-, 3-, and 5-year overall survival(OS) rates for the entire cohort were 87.9%, 78.5%, and 72.8%, respectively. The 3-year OS rates of patients with G1, G2, and G3 tumors were 93.1%, 82.7%, and 43.1%, respectively(P < 0.001). The 3-year OS rates of patients with stage I, II, III, and IV tumors were 96.0%, 87.3%, 64.0%, and 46.8%, respectively(P < 0.001). Patients with distant metastasis who underwent palliative surgery had a longer survival than those who did not(P = 0.003). Similar survival benefits of palliative surgery were observed in patients with neuroendocrine tumor(P y, M category, and sur= 0.031) or neuroendocrine carcinoma(P gery were found to be independent prog= 0.046). In multivariate analysis, age, grade, N categornostic factors.Conclusions: Patients with GEP-NENs who are women, younger than 50 years old, have smaller tumor size, have lower tumor grade, have lower T/N/M category, and who undergo surgery can have potentially longer survival time. Our data showed that surgery can improve the prognosis of GEP-NEN patients with distant metastasis. However, randomized controlled trials need to be conducted to establish the optimal criteria for selecting patients to undergo surgery.Cheng Fang Wei Wang Yu Zhang Xingyu Feng Jian Sun Yujie Zeng Ye Chen Yong Li Minhu Chen Zhiwei Zhou Jie Chen 2017Chinese Journal of Cancer2017,36,10:23
12Contributions of climate and human activities to changes in runoff of the Yellow and Yangtze rivers from 1950 to 2008显示文摘Runoffs in the Yellow River and Yangtze River basins,China,have been changing constantly during the last half century.In this paper,data from eight river gauging stations and 529 meteorological stations,inside and adjacent to the study basins,were analyzed and compared to quantify the hydrological processes involved,and to evaluate the role of human activities in changing river discharges.The Inverse Distance Weighted(IDW)interpolation method was used to obtain climatic data coverage from station observations.According to the runoff coefficient equation,the effect of human activities and climate can be expressed by changes in runoff coefficients and changes in precipitation,respectively.Annual runoff coefficients were calculated for the period 1950-2008,according to the correlation between respective hydrological series and regional precipitation.Annual precipitation showed no obvious trend in the upper reaches of the Yellow River but a marked downward trend in the middle and downstream reaches,with declines of 8.8 and 9.8 mm/10 a,respectively.All annual runoff series for the Yellow River basin showed a significant downward trend.Runoff declined by about 7.8 mm/10 a at Sanmenxia and 10.8 mm/10 a at Lijin.The series results indicated that an abrupt change occurred in the late 1980s to early 1990s.The trend of correlations between annual runoff and precipitation decreased significantly at the Yellow River stations,with rates ranging from 0.013/10 a to 0.019/10 a.For the hydrologic series,all precipitation series showed a downward trend in the Yangtze River basin with declines ranging from about 24.7 mm/10 a at Cuntan to 18.2 mm/10 a at Datong.Annual runoff series for the upper reaches of the Yangtze River decreased significantly,at rates ranging from 9.9 to 7.2 mm/10 a.In the middle and lower reaches,the runoff series showed no significant trend,with rates of change ranging from 2.1 to 2.9 mm/10 a.Human activities had the greatest influence on changes in the hydrological series of runoff,regardless of whether the effect was negative or positive.During 1970-2008,human activities contributed to 83% of the reduction in runoff in the Yellow River basin,and to 71% of the increase in runoff in the Yangtze River basin.Moreover,the impacts of human activities across the entire basin increased over time.In the 2000s,the impact of human activities exceeded that of climate change and was responsible for 84% of the decrease and 73% of the increase in runoff in the Yellow River and Yangtze River basins,respectively.The average annual runoff from 1980 to 2008 fell by about 97%,83%,83%,and 91%,compared with 1951-1969,at the Yellow River stations Lanzhou,Sanmenxia,Huayuankou and Lijin,respectively.Most of the reduction in runoff was caused by human activities.Changes in precipitation also caused reductions in runoff of about 3%,17%,17%,and 9% at these four stations,respectively.Falling precipitation rates were the main explanation for runoff changes at the Yangtze River stations Cuntan,Yichang,Hankou,and Datong,causing reductions in runoff of 89%,74%,43%,and 35%,respectively.Underlying surface changes caused decreases in runoff in the Yellow River basin and increases in runoff in the Yangtze River basin.Runoff decreased in arid areas as a result of increased water usage,but increased in humid and sub-humid areas as a result of land reclamation and mass urbanization leading to decreases in evaporation and infiltration.WANG Yan DING YongJian YE BaiSheng LIU FengJing WANG Jie WANG Jie 2013Science China Earth Sciences2013,56,8:21
13T_3/T_4 thoracic sympathictomy and compensatory sweating in treatment of palmar hyperhidrosis显示文摘背景(CS ) 补偿出汗是在为手掌的剧汗的胸的交感神经切除术, sympathicotomy 或内视镜的同情的块(ESB ) 以后的最普通的手术后的复杂并发症之一。这研究被进行检验在 CS 和是的同情的片断之间的关联在手掌的剧汗的外科的治疗的 transected ,并且这样检测在2004年10月和2006年6月之间的 CS.Methods 的出现的潜在的机制,有主要剧汗的 163 个病人随机被划分成二个组, T3 sympathicotomy ( 78 个病人)和 T4 sympathicotomy ( 85 ),经由单个腔 intubation 和脊间的录像中等在一般麻醉下面被操作在之上手掌的剧汗在所有病人被治好。后续(平均数(13.8?YANG Jie TAN Jia-ju YE Guo-lin GU Wei-quan WANG Jun LIU Yan-guo 2007Chinese Medical Journal2007,,18:19
14Simvastatin inhibited cardiac hypertrophy and fibrosis in apolipoprotein E-deficient mice fed a "Western-style diet" by increasing PPAR a and ~ expression and reducing TC, MMP-9, and Cat S levels显示文摘Yan-wen QIN Ping YE Ji-qiang HE Li SHENG Lu-ya WANG Jie DU 2010Acta Pharmacologica Sinica2010,31,10:19
15KISS-1 inhibits the proliferation and invasion of gastric carcinoma cells显示文摘AIM:To investigate the function of the KISS-1 gene in gastric carcinoma cells and to explore its potential mechanism.METHODS:A KISS-1 eukaryotic expression vector was constructed and transfected into BGC-823 cells.Resistant clones were obtained through G418 selection.reverse transcription-polymerase chain reaction and western blotting were used to detect KISS-1 and matrix metalloproteinase-9(MMP-9)expression in transfected cells.The growth of transfected cells was investigated by 3-(4,5-dimethylthiazolyl-2)-2,5-diphenyltetrazolium bromide(MTT)proliferation assays,and the cells'invasive potential was analyzed by basement membrane(Matrigel)invasion assays.The anti-tumor effects of KISS-1 were tested in vivo using allografts in nude mice.RESULTS:The expression level of KISS-1 mRNA andprotein in BGC-823/KISS-1 transfected cells were significantly higher than in BGC-823/pcDNA3.1 transfected cells(P<0.05)or the parental BGC-823 cell line(P< 0.05).The expression level of MMP-9 mRNA and protein in BGC-823/KISS-1 were significantly less than in BGC-823/pcDNA3.1(P<0.05)or BGC-823 cells(P< 0.05).MTT growth assays show the proliferation of BGC-823/KISS-1 cells at 48 h(0.642±0.130)and 72 h(0.530±0.164)were significantly reduced compared to BGC-823/pcDNA3.1(0.750±0.163,0.645±0.140)(P<0.05)and BGC-823 cells(0.782±0.137,0.685± 0.111)(P<0.05).Invasion assays indicate the invasive potential of BGC-823/KISS-1 cells(16.50±14.88)is significantly reduced compared to BGC-823/pcDNA3.1(20.22±14.87)(P<0.05)and BGC-823 cells after 24 h(22.12±16.12)(P<0.05).In vivo studies demonstrate the rate of pcDNA3.1-KISS-1 tumor growth is significantly slower than pcDNA3.1 and control cell tumor growth in nude mice.Furthermore,tumor volume of pcDNA3.1-KISS-1 tumors(939.38±82.08 mm3)was significantly less than pcDNA3.1(1250.46±44.36 mm3) and control tumors(1284.36±55.26 mm3)(P<0.05).Moreover,the tumor mass of pcDNA3.1-KISS-1 tumors(0.494±0.84 g)was significantly less than pcDNA3.1(0.668±0.55 g)and control tumors(0.682±0.38 g)(P <0.05).CONCLUSION:KISS-1 may inhibit the proliferation and invasion of gastric carcinoma cells in vitro and in vivo through the downregulation of MMP-9.Na Li Hong-Xing Wang Jie Zhang Ya-Ping Ye Guo-Yang He 2012World Journal of Gastroenterology2012,18,15:17
16Consensus on the application of negative pressure wound therapy of diabetic foot wounds显示文摘Because China is becoming an aging society,the incidence of diabetes and diabetic foot have been increasing.Diabetic foot has become one of the main health-related killers due to its high disability and mortality rates.Negative pressure wound therapy(NPWT)is one of the most effective techniques for the treatment of diabetic foot wounds and great progress,both in terms of research and its clinical application,has been made in the last 20 years of its development.However,due to the complex pathogenesis and management of diabetic foot,irregular application of NPWT often leads to complications,such as infection,bleeding and necrosis,that seriously affect its treatment outcomes.In 2020,under the leadership of Burns,Trauma and Tissue Repair Committee of the Cross-Straits Medicine Exchange Association,the writing group for‘Consensus on the application of negative pressure wound therapy of diabetic foot wounds’was established with the participation of scholars from the specialized areas of burns,endocrinology,vascular surgery,orthopedics and wound repair.Drawing on evidence-based practice suggested by the latest clinical research,this consensus proposes the best clinical practice guidelines for the application and prognostic evaluation of NPWT for diabetic foot.The consensus aims to support the formation of standardized treatment schemes that clinicians can refer to when treating cases of diabetic foot.Shizhao Ji Xiaobin Liu Jie Huang Junmin Bao Zhaohong Chen Chunmao Han Daifeng Hao Jingsong Hong Dahai Hu Yufeng Jiang Shang Ju Hongye Li Zongyu Li Guangping Liang Yan Liu Gaoxing Luo Guozhong Lv Xingwu Ran Zhongmin Shi Juyu Tang Aiping Wang Guangyi Wang Jiangning Wang Xin Wang Bing Wen Jun Wu Hailin Xu Maojin Xu Xiaofei Ye Liangxi Yuan Yi Zhang Shichu Xiao Zhaofan Xia 2021Burns & Trauma2021,9,1:17
17Recurrent gain-of-function USP8 mutations in Cushing's disease显示文摘库欣的疾病,引起过量皮质醇生产的也已知的同样促肾上腺皮质的荷尔蒙(ACTH )-secreting 垂体腺瘤(舞步) ,占多达 85%corticotrophin 依赖的库欣的症候群盒子。然而,在这疾病的基因改变是不清楚的。这里,我们执行了从 12 秘密 ACTH 舞步导出并且匹配血样品的 DNA 定序的 whole-exome,它在候选人基因揭示了体的变化的三种类型, USP8 (编码 ubiquitin 特定的朊酶 8 ) ,专门在 exon 14 在 12 秘密 ACTH 舞步中的 8 个。我们进一步评估了体的 USP8 变化在另外由定序的 Sanger 的 258 舞步。进一步定序指向在 108 秘密 ACTH 舞步(62.04%) 中的 67 个识别了 USP8 变体的 17 种类型的一个总数。然而,任何一个都没在舞步的另外的类型这些变化被检测(n = 150 ) 。这些变化在 USP8 的 14-3-3 绑定主题以内聚集并且破坏在 USP8 和 14-3-3 蛋白质之间的相互作用,导致保护 EGFR 免受 lysosomal 降级的伤害的一个提高的能力。因此,有 EGFR 表示,提高的 EGFR 蛋白质丰富和 mRNA 表示的更高的发生 POMC 铺平的变异的 USP8 显示的舞步,它编码 ACTH 的先锋。有变异的 USP8 的舞步在尺寸是显著地更小的并且比野类型的舞步有更高的 ACTH 生产。在里面通过手术 resected 主要变异 USP8 的肿瘤房间, USP8 击倒或堵住的 EGFR 有效地稀释 ACTH 分泌物。一起拿,体的 gain-of-function USP8 变化是普通的并且在库欣的疾病贡献 ACTH 生产过剩。USP8 或 EGFR 的抑制为对待变异 USP8 的 corticotrophin 腺瘤是有希望的。我们的学习在库欣的疾病加亮潜在地功能的变异的基因并且提供卓见进这疾病的治疗学。Zeng-Yi Ma Zhi-Jian Song Jian-Hua Chen Yong-Fei Wang Shi-Qi Li Liang-Fu Zhou Ying Mao Yi-Ming Li Rong-Gui Hu Zhao-Yun Zhang Hong-Ying Ye Ming Shen Xue-Fei Shou Zhi-Qiang Li Hong Peng Qing-Zhong Wang Dai-Zhan Zhou Xiao-Lan Qin Jue Ji Jie Zheng Hong Chen Yin Wang Dao-Ying Geng Wei-Jun Tang Chao-Wei Fu Zhi-Feng Shi Yi-Chao Zhang Zhao Ye Wen-Qiang He Qi-Lin Zhang Qi-Sheng Tang Rong Xie Jia-Wei Shen Zu-Jia Wen Juan Zhou Tao Wang Shan Huang Hui-Jia Qiu Ni-Dan Qiao Yi Zhang Li Pan Wei-Min Bao Ying-Chao Liu Chuan-Xin Huang Yong-Yong Shi Yao Zhao 2015Cell Research2015,25,3:16
18Burden of colorectal cancer in China, 1990-2017: Findings from the Global Burden of Disease Study 2017显示文摘Objective: Our goal is to analyze the trend of colorectal cancer(CRC) regarding the death, incidence and prevalence rates over time, and to provide epidemiological knowledge basis for health policy revision by comparing data about fatal outcomes of CRC in 2017 to those data in 1990, which was extracted from the Global Burden of Disease(GBD).Methods: The time trend and changes of CRC burden from 1990 to 2017 were measured by using the methods and results from the Institute for Health Metrics and Evaluation(IHME) GBD 2017, based on the rates of death,incidence and prevalence.Results: The death rate of CRC is 13.24/100,000, accounting for 1.79% of total deaths in China in 2017. In1990, CRC ranked 21 st in all causes of death in China compared to its 11 th ranking in 2017. The death, incidence and prevalence rate of CRC were standardized by the age scale of the global population in 2010, the change of standardized death rate of CRC was not significant, from 9.33/100,000 in 1990 to 10.10/100,000 in 2017. The standardized incidence rate of CRC significantly increased from 12.18/100,000 in 1990 to 22.42/100,000 in 2017.The standardized prevalence rate of CRC significantly increased from 44.55/100,000 in 1990 to 118.40/100,000 in2017. The trend of the prevalence rate in both genders grow higher in 2017 compared to the 1990, resulting in141.6%, 209.8% and 189.0% for the studied three age groups(15-49, 50-69 and 70+ years old), respectively. The death rate increased in the age groups of 50-69 and 70+ years in both genders(8.6% and 31.0% respectively), in contrast to a decrease of death rate in the age group of 15-49 years old(-10.8%).Conclusions: China experienced a stunning increase in terms of incidence and prevalence rate of CRC from1990 to 2017. To decrease the burden of CRC, prevention and management of known risk factors should be promoted through national polices.Jie Yin Zhigang Bai Jun Zhang Zhi Zheng Hongwei Yao Pengpeng Ye Jun Li Xin Gao Zhongtao Zhang 2019Chinese Journal of Cancer Research2019,31,3:16
19Hepatitis B virus X protein promotes liver cell proliferation via a positive cascade loop involving arachidonic acid metabolism and p-ERK1/2显示文摘肝炎 B 病毒 X 蛋白质(HBx ) 在 hepatocellular 癌的发展起一个关键作用。这里,我们寻求了识别 HBx 由调停的机制肝房间增长。我们发现那 HBx upregulated cyclooxygenase-2 (COX-2 ) 的层次, 5-lipoxygenase (5 哈鱼) 和 phosphorylated 在肝房间的细胞外的调整信号的蛋白质 kinases 1/2 (p-ERK1/2 ) 。导致 HBx 的 p-ERK1/2 被 Gi/o 蛋白质,艇长或哈鱼的抑制废除。另外, HBx 增加了前列腺素 E2 (PGE2 ) 的数量,免除房间线的 leukotriene B4 (LTB4 ) 源于 hepatocytes。而且,这些释放 arachidonic 酸代谢物能激活 ERK1/2。有趣地,激活 ERK1/2 能 upregulate 以一种积极反馈方式的 COX-2 和 5 哈鱼的表示。在结论, HBx 经由包含 COX-2, 5 哈鱼,释放 arachidonic 酸代谢物, Gi/o 蛋白质和 p-ERK1/2 的一个积极反馈环提高并且维持肝房间增长。Changliang Shan Fuqing Xu Shuai Zhang Jiacong YOU Xiaona You Liyan Qiu Jie Zheng Lihong Ye Xiaodong Zhang 2010Cell Research2010,20,5:15
20Comprehensive treatments for hepatocellular carcinoma with tumor thrombus in major portal vein显示文摘AIM: To evaluate the efficacy of transcatheter arterial chemoembolisation(TACE) compared with surgical intervention and sorafenib for treatment of hepatocellular carcinoma(HCC) in patients with tumor thrombus extending to the main portal vein.METHODS: From 2009 to 2013, a total of 418 HCC patients with tumor thrombus extending to the main portal vein were enrolled in this study and divided into four groups. These groups underwent different treatments as follows: TACE(n = 307), surgical intervention(n = 54), sorafenib(n = 15) and palliativetreatment(n = 42). Overall survival rates were determined by Kaplan-Meier method, and differences between the groups were identified through log-rank analysis. Cox's proportional hazard model was used to identify the risk factors for survival.RESULTS: The mean survival periods for patients in the TACE, surgical intervention, sorafenib and palliative treatment groups were 10.39, 4.13, 5.54 and 2.82 mo, respectively. For the TACE group, the 3-, 6-, 12-and 24-mo survival rates were 94.1%, 85.9%, 51.5% and 0.0%, respectively. The corresponding rates were 60.3%, 22.2%, 0.0% and 0.0% for the surgical intervention group and 50.9%, 29.5%, 0.0% and 0.0% for the sorafenib group. Evidently, the results in the TACE group were significantly higher than those in the other groups(P < 0.0001). Furthermore, no significant difference among survival rates was observed between TACE with/without sorafenib(10.22 mo vs 10.52 mo, P = 0.615). No significant difference in survival rates was also found among the surgical intervention, sorafenib and palliative treatment groups(P > 0.05). These values significantly increased after TACE with/without sorafenib compared with other treatments(P < 0.05).CONCLUSION: For HCC patients with tumor thrombus extending to the main portal vein, TACE can yield a higher survival rate than surgical intervention or sorafenib treatment.Hai-Hong Ye Jia-Zhou Ye Zhi-Bo Xie Yu-Chong Peng Jie Chen Liang Ma Tao Bai Jun-Ze Chen Zhan Lu Hong-Gui Qin Bang-De Xiang Le-Qun Li 2016World Journal of Gastroenterology2016,22,13:14
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