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| 1 | Psychosocial determinants of irritable bowel syndrome显示文摘From a pure motor disorder of the bowel,in the past few years,irritable bowel syndrome (IBS) has become a multifactorial disease that implies visceral hypersensitivity,alterations at the level of nervous and humoral communications between the enteric nervous system and the central nervous system,alteration of the gut microflora,an increased intestinal permeability and minimum intestinal inflammation.Psychological and social factors can interfere with the communication between the central and enteric nervous systems,and there is proof that they are involved in the onset of IBS and influence the response to treatment and outcome.There is evidence that abuse history and stressful life events are involved in the onset of functional gastrointestinal disorders.In order to explain clustering of IBS in families,genetic factors and social learning mechanisms have been proposed.The psychological features,such as anxiety,depression as well as the comorbid psychiatric disorders,health beliefs and coping of patients with IBS are discussed in relation to the symptoms and outcome. | Teodora Surdea-Blaga Adriana Bban Dan L Dumitrascu | 2012 | World Journal of Gastroenterology2012,18,7: | 34 |
| 2 | 尿钠排泄、血压、心血管病与死亡率的关系:社区前瞻性流行病学队列研究显示文摘WHO建议人群钠摄人<2 g/d作为预防心血管病的措施之一,但这一目标在任何国家都没有实现。该建议主要基于短期血压试验的个体水平数据,没有来自随机试验或观察性研究的关于低钠摄入与降低心血管事件的数据。前瞻性城市农村流行病学研究目前正在21个国家进行。该文对其中18个国家的数据进行分析,其中包含了临床结果数据。 | Mente A O'Donnell M Rangarajan S McQueen M Dagenais G Wielgosz A Lear S Ah STL Wei L Diaz R Avezum A Lopez-Jaramillo P Lanas F Mony P Szuba A Iqbal R Yusuf R Mohammadifard N Khatib R Yusoff K Ismail N Gulec S Rosengren A Yusufali A Kruger L Tsolekile LP Chifamba J Dans A Alhabib KF Yeates K Teo K Yusuf S 刘莉 叶鹏 | 2018 | 中华高血压杂志2018,26,12: | 29 |
| 3 | The Chromosome-Level Reference Genome of Tea Tree Unveils Recent Bursts of Nonautonomous LTR Retrotransposons in Driving Genome Size Evolution显示文摘Dear Editor,The tea tree Camellia sinensis,a member of the genus Camellia in the Theaceae family,includes two major cultivated varieties,C.sinensis var.assamica(CSA\Assam type)and C.sinensis var.sinensis(CSS;Chinese type)(Ming and Bartholomew,2007).Due to the high economic importance of the tea tree,considerable efforts have been made to explore genetic basis of the biosynthesis of natural metabolites that determine health benefits and diverse tea flavors(Shi et al.,2011;Li et al.,2011;Li et al.,2015;Xia et aL,2017;Liu et al.,2019). | Qun-Jie Zhang Wei L i Kui Li Hong Nan Cong Shi Yun Zhang Zhang-Yan Dai Yang-Lei Lin Xiao-Lan Yang Yan Tong Dan Zhang Cui Lu Li-Ying Feng Chen-Feng Wang Xiao-Xin Liu Jian-An Huang Wen-Kai Jiang Xing-Hua Wang Xing-Cai Zhang Evan E.Eichler Zhong-Hua Liu and Li-Zhi Gao | 2020 | Molecular Plant2020,13,7: | 27 |
| 4 | Atrial fibrillation in patients with gastroesophageal reflux disease: A comprehensive review显示文摘AIM:To analyze the potential relationship between gastroesophageal reflux disease(GERD)and the development of atrial fibrillation(AF).METHODS:Using the key words'atrial fibrillation and gastroesophageal reflux','atrial fibrillation and esophagitis,peptic','atrial fibrillation and hernia,hiatal'the PubMed,EMBASE,Cochrane Library,OVIDSP,WILEY databases were screened for relevant publications on GERD and AF in adults between January 1972-December 2013.Studies written in languages other than English or French,studies not performed in humans,reviews,case reports,abstracts,conference presentations,letters to the editor,editorials,comments and opinions were not taken into consideration.Articles treating the subject of radiofrequency ablation of AF and the consecutive development of GERD were also excluded.RESULTS:Two thousand one hundred sixty-one titles were found of which 8 articles met the inclusion criteria.The presence of AF in patients with GERD was reported to be between 0.62%-14%,higher compared to those without GERD.Epidemiological data provided by these observational studies showed that patients with GERD,especially those with more severe GERD-related symptoms,had an increased risk of developing AF compared with those without GERD,but a causal relationship between GERD and AF could not be established based on these studies.The mechanisms of AF as a consequence of GERD remain largely unknown,with inflammation and vagal stimulation playing a possible role in the development of these disorders.Treatment with proton pomp inhibitors may improve symptoms related to AF and facilitate conversion to sinus rhythm.CONCLUSION:Although links between AF and GERD exist,large randomized clinical studies are required for a better understanding of the relationship between these two entities. | Crina Roman Stanislas Bruley des Varannes Lucian Muresan Alina Picos Dan L Dumitrascu | 2014 | World Journal of Gastroenterology2014,20,28: | 16 |
| 5 | Spatiotemporal spectrum and momentum flux of the stratospheric gravity waves generated by a typhoon显示文摘The simulation results of Typhoon Matsa (2005) by using the Weather Research and Forecasting (WRF) model show that pronounced stratospheric gravity waves (GWs) are generated in the vicinity of the typhoon. Using the model output, we investigate the spatial structures and the temporal variations of the GWs through a three dimensional (3-d) spectral analysis, i.e. the spectrum with respect to two horizontal wavenumbers and frequency. We further derive the momentum flux carried by the GWs. Spectral investigation results show that the power spectral density (PSD) of the GWs exhibits a single-peaked spectrum, which consists primarily of a distinct spectrum at horizontal wavelength of ~1000km, time period of 12-18h, and vertical wavelength of 7-9km. This spectrum is different from the spectra of GWs generated by deep convections disclosed by the previous researches. Both the PSD and momentum flux spectrum are prominent in positive k h portion, which is consistent with the fact that the GWs propagate in the upstream of mean flow. Large momentum flux is found to be associated with the GWs, and the net zonal momentum flux is 0.7845×10 3 Pa at 20km height, which can account for ~26% of the momentum flux that is required in driving the QBO phenomenon. | CHEN Dan CHEN ZeYu Lü DaRen | 2013 | Science China Earth Sciences2013,56,1: | 15 |
| 6 | Simulation of the stratospheric gravity waves generated by the Typhoon Matsa in 2005显示文摘The generation of stratospheric gravity waves(GWs) due to typhoon is simulated by using a meso-scale model(WRF) with a typhoon case,the Matsa in 2005.An 8-day model run that covers the major stages of the Matsa's development reproduces the key features of the typhoon.For example,good agreements in the typhoon's track,the intensity,and the spiral clouds,as well as mean state of stratosphere,are seen between the simulation results and the observation.Simulation results clearly show that with typhoon propagates northwestward,pronounced stratospheric GWs are generated continuously in the vicinity of Matsa.The GWs exhibit the typical curve-like wave fronts away from the Typhoon Matsa,and propagate preferentially in the upstream of the background winds.These characteristics reflect that the stratospheric GWs are closely associated with the typhoon,and thus the GWs are referred to as Tropical Cyclone related Gravity Waves(TC-GWs).The results also show that these waves should have a rather large horizontal scale so that the outmost wave fronts can be seen at the distance of ~1000 km to the typhoon center in the horizontal plane of 20 km.This is consistent with the phenomenon of stratospheric TC-GWs with ~1000 km horizontal scale disclosed by the previous observational analysis results. | CHEN Dan CHEN ZeYu Lü DaRen | 2012 | Science China Earth Sciences2012,55,4: | 12 |
| 7 | Phase angle obtained by bioelectrical impedance analysis independently predicts mortality in patients with cirrhosis显示文摘AIM To evaluate the prognostic value of the phase angle(PA)obtained from bioelectrical impedance analysis(BIA) for mortality prediction in patients with cirrhosis. METHODS In total, 134 male cirrhotic patients prospectively completed clinical evaluations and nutritional assessment by BIA to obtain PAs during a 36-mo follow-up period. Mortality risk was analyzed by applying the PA cutoff point recently proposed as a malnutrition marker(PA ≤ 4.9°) in Kaplan-Meier curves and multivariate Cox regression models. RESULTS The patients were divided into two groups according to the PA cutoff value(PA > 4.9°, n = 73; PA ≤ 4.9°, n = 61). Weight, height, and body mass index were similar in both groups, but patients with PAs > 4.9° were younger and had higher mid-arm muscle circumference, albumin, and handgrip-strength values and lower severe ascites and encephalopathy incidences, interleukin(IL)-6/IL-10 ratios and C-reactive protein levels than did patients with PAs ≤ 4.9°(P ≤ 0.05). Forty-eight(35.80%) patients died due to cirrhosis, with a median of 18 mo(interquartile range, 3.3-25.6 mo) follow-up until death. Thirty-one(64.60%) of these patients were from the PA ≤ 4.9° group. PA ≤ 4.9° significantly and independently affected the mortality model adjusted for Model for End-Stage Liver Disease score and age(hazard ratio = 2.05, 95%CI: 1.11-3.77, P = 0.021). In addition, Kaplan-Meier curves showed that patients with PAs ≤ 4.9° were significantly more likely to die. CONCLUSION In male patients with cirrhosis, the PA ≤ 4.9° cutoff was associated independently with mortality and identified patients with worse metabolic, nutritional, and disease progression profiles. The PA may be a useful and reliable bedside tool to evaluate prognosis in cirrhosis. | Giliane Belarmino Maria Cristina Gonzalez Raquel S Torrinhas Priscila Sala Wellington Andraus Luiz Augusto Carneiro D'Albuquerque Rosa Maria R Pereira Valéria F Caparbo Graziela R Ravacci Lucas Damiani Steven B Heymsfield Dan L Waitzberg | 2017 | World Journal of Hepatology2017,9,7: | 11 |
| 8 | Temporal and Spatial Distribution of the Late Devonian (Famennian) Strata in the Northwestern Border of the Junggar Basin, Xinjiang, Northwestern China显示文摘The base of the Saerba Member(Mbr) of the Hongguleleng Formation(Fm.) probably lies in the Famennian Palmatolepis crepida Zone;the Longkou Mbr is probably a sedimentary wedge that thins out northwards;the Duguer Mbr has an approximate age from the upper part of the Pa.marginifera Zone or the Lower Pa.rugosa trachytera Zone through the top of the Pa.perlobata postera Zone;the Wulan Mbr has an age approximately corresponding to the whole Pa.gracilis expansa Zone.In the Bulongguoer section,the Lower Mbr of the Hongguleleng Fm.corresponds to Famennian Pa.crepida Zone through Pa.marginifera Zone;the Middle Mbr probably ranges from the Pa.r.trachytera Zone through the Pa.g.expansa Zone.The basal Namu Mbr of the Heishantou Fm.is probably the product during and after the Hangenberg Event in the upper part of the Siphonodella praesulcata Zone,which is still within the Devonian.In this context,the underlying Chasi Mbr may approximately correspond to the lower part of the S.praesulcata Zone(before the Hangenberg Event).Lateral distribution of strata indicates that the Upper Devonian in the Gennaren and Saerba areas each constitutes a structure of syncline,which differs from the previous recognition of a monocline structure. | MA Xueping ZHANG Meiqiong ZONG Pu ZHANG Yubo Lü Dan | 2017 | Acta Geologica Sinica(English Edition)2017,91,4: | 9 |
| 9 | Use of calcein and alizarin red S for immersion marking of black rockfish Sebastes schlegelii juveniles显示文摘Black rockfi sh Sebastes schlegelii juveniles(30–40 mm total length) were immersed in a range of calcein(CAL) solutions at concentrations ranging from 50 to 250 mg/L and alizarin red S(ARS) solutions at concentrations ranging from 100 to 500 mg/L in fi ltered seawater(salinity 30) for 24 h. Fluorescent marks were detected in otoliths(sagittae, asteriscus), scales, fi n rays(dorsal, pectoral, ventral, anal, and caudal fi n rays), and fi n spines(dorsal, ventral, and anal fi n spines) after a 60-d growth experiment. With the exception of 50–100 mg/L CAL, acceptable marks were produced in the otoliths and fi n spines by all concentrations of CAL and ARS. In particular, marks were clearly visible under normal light in the sagittae, asteriscus, and fi n spines of fi sh immersed in 200–500 mg/L, 300–500 mg/L, and 200–500 mg/L ARS, respectively. Scales and fi n rays had acceptable marks at much higher concentrations(≥50 mg/L CAL, ≥300 mg/L ARS for scales and ≥50 mg/L CAL, ≥200 mg/L ARS for fi n rays). The mark quality was highest(i.e., acceptable marks were observed in all sampled structures after immersion marking) in fi sh immersed in 150–250 mg/L CAL or 300–500 mg/L ARS. In addition, there was no signifi cant difference in survival and growth of marked fi sh compared with controls 60 d post-marking( P >0.05). | Lü Hongjian ZHANG Xiumei XI Dan GAO Tianxiang | 2014 | Chinese Journal of Oceanology and Limnology2014,32,1: | 8 |
| 10 | 4.4 A Resolution Cryo-EM structure of human mTOR Complex 1显示文摘 | Huirong Yang Jia Wang Mengjie Liu Xizi Chen Min Huang Dan Tan Meng-Qiu Dong Catherine C. L, Wong Jiawei Wang Yanhui Xu Hong-Wei Wang | 2016 | Protein & Cell2016,7,12: | 7 |
| 11 | Molecular insights into the heterogeneity of telomere reprogramming in induced pluripotent stem cells显示文摘有各种各样的长度的 telomeres 的返老还童在导致的 pluripotent 干细胞(iPSCs ) 被发现了。telomere 长度规定的机制在 iPSCs 的正式就职和增长期间留下逃犯。我们证明 telomere 动力学在 reprogramming 和经过期间在鼠标 iPSCs 是可变的,并且建议这些差别多半源于多重潜在的因素,包括包括外长的 reprogramming 因素的表示的 telomerase 机械, telomerase 独立的机制和同种细胞的影响。用一个基因模型 telomerase 缺乏(为 iPSCs 的推导和段落的 Terc −/− 和 Terc +/−) 房间,我们发现 telomerase 在 iPSCs 的 reprogramming 和自强起一个关键作用。进一步,当由再结合的延伸和维护的其他的小径也被要求时, telomeres 的 telomerase 维护为真 pluripotency 的正式就职是必要的,然而并非足够。一起, telomere 生物学的几个方面可以在 iPSCs 说明可变 telomere 动力学。尤其是,采用在 iPSC reprogramming 期间维持 telomeres 的机制很类似于胚胎的干细胞的那些。这些调查结果可以也联系到这些机制能为在由体的房间的原子 reprogramming 以后的 telomere 异质负责的克隆的地原子转移。 | Fang Wang Yu Yin Xiaoying Ye Kai Liu Haiying Zhu Lingling Wang Maria Chiourea Maja Okuka Guangzhen Ji Jiameng Dan Bingfeng Zuo Minshu Li Qian Zhang Na Liu Lingyi Chen Xinghua Pan Sarantis Gagos David L Keefe Lin Liu | 2012 | Cell Research2012,22,4: | 7 |
| 12 | Simulation of the stratosphere-troposphere exchange process in a typical cold vortex over Northeast China显示文摘A mesoscale weather research and forecasting(WRF)model was used to simulate a cold vortex that developed over Northeast China during June 19–23,2010.The simulation used high vertical resolution to reproduce the key features of the cold vortex development.Characteristics of the associated stratosphere-troposphere exchange(STE),specifically the spatiotemporal distribution of the cross-tropopause mass flux(CTF),were investigated using the Wei formula.The simulation results showed that the net mass exchange induced by the cold vortex was controlled by stratosphere-to-troposphere transport(STT)processes.In the pre-formation stage of the cold vortex(i.e.,the development of the trough and ridge),active exchange was evident.Over the lifecycle of the cold vortex,STT processes prevailed at the rear of the trough and moving vortex,whereas troposphere-to-stratosphere transport(TST)processes prevailed at the front end.This spatial pattern was caused by temporal fluctuations of the tropopause.However,because of the cancellation of the upward flux by the downward flux,the contribution of the tropopause fluctuation term to the net mass exchange was only minor.In this case,horizontal motion dominated the net mass exchange.The time evolution of the CTF exhibited three characteristics:(1)the predominance of the STT during the pre-formation stage;(2)the formation and development of the cold vortex,in which the CTF varied in a fluctuating pattern from TST to STT to TST;and(3)the prevalence of the STT during the decay stage. | CHEN Dan Lü DaRen CHEN ZeYu | 2014 | Science China Earth Sciences2014,57,7: | 7 |
| 13 | 青年型开角型青光眼的中国家系的新型Myocilin基因突变显示文摘目的:探讨某中国家系青年型开角型青光眼(JOAG)的致病基因。
方法:在一个青光眼家系中,三代人中患JOAG或高眼压。我们筛查了6位家族成员Myocilin(MYOC)和 optineurin(OPTN)的突变和apolipoprotein E的多态性,2位患有JOAG,2位患有高眼压,2位无症状。正常对照组包括200位与本家系无关联的受试者。用编码野生型或变异性 MYOC 互补 DNA 的表达载体转染cos-7细胞系。细胞内或分泌的MYOC蛋白用Western法进行检测。 | Bao Jian Fan Dexter Y. L Leung Dan Yi Wang Stéphane Vincent Raymond Pancy O. S. Tam Dennis S. C. Lam Chi Pui Pang 王婷(译) | 2006 | 美国医学会眼科杂志(中文版)2006,18,4: | 5 |
| 14 | Genetic determination of irritable bowel syndrome显示文摘急躁的肠症候群(IBS ) 是普通功能的胃肠的混乱。根据罗马 III 标准, IBS 在下列症状的与二联系的以前的 3 瞬间或更多期间每月为至少 3 d 被定义为周期性的腹的疼痛或不快:有澄清,在凳子的频率与一个变化联系的发作或与一个变化联系处于良好的竟技状态的发作或凳子的外观的改进。在 IBS 关于基因贡献正在种证据,然而, IBS 的精确病原学仍然是未知的。基因影响的评估基于成双的研究,家庭聚集和基因流行病学调查。大多数研究比在 dizygotic 为在单合子显著地更大的 IBS 显示出一个词语索引。研究的多数证明了家庭聚集可以代表暴露到基因因素的类似的环境,以及影响。而没有特定的基因与 IBS 联合被识别了,最近的研究在血清素的倡导者区域注意了多型性的重要性再入伍拿 transporter 基因,G蛋白质贝它 3 子单元基因( C825T ),缩胆囊素受体( CCKAR 基因 779T >C ),并且高制片人的肿瘤坏死因素遗传型。进一步的研究是必要的决定基因因素怎么在 IBS 病人影响临床的表明和 therapeutical 反应。 | Cristina Hotoleanu Radu Popp Adrian Pavel Trifa Laurentiu Nedelcu Dan L Dumitrascu | 2008 | World Journal of Gastroenterology2008,14,43: | 4 |
| 15 | Conophylline Promotes the Proliferation of Immortalized Mesenchymal Stem Cells Derived from Fetal Porcine Pancreas (iPMSCs)显示文摘Conophylline, is a bis (indole) alkaloid consisting of two pentacyclic aspidosperma skeletons, isolated from Tabernaemontana divaricata, which has been found to induce β-cell differentiation in rat pancreatic acinar carcinoma cells and in cultured rat pancreatic tissue. However, the precise role of conophylline in the growth and survival of immortalized pancreatic mesenchymal stem cells (iPMSCs) derived from fetal porcine pancreas were not understood at present. To determine whether this molecule is involved in controlling the proliferation of iPMSCs, we examined the effects of conophylline on iPMSCs. We found that conophylline can robustly stimulate iPMSCs proliferation, even promote their potential differentiation into islet-like clusters analyzed by cell counting, morphology, RT-PCR and real-time PCR, Western blotting, glucose-stimulated insulin release and insulin content analysis. The effects of conophylline were inhibited by LY294002, which is the inhibitor of the PI3K pathway. These results suggest that conophylline plays a key role in the regulation of cell mass proliferation, maintenance of the undifferentiated state of iPMSCs and also promotes iPMSCs differentiated into insulin-producing cells. | ZHANG Hui-ru LI Dan CAO Hui Lü Xiao CHU Yuan-kui BAI Yao-fu JIN Ya-ping PENG Sha DOU Zhong-ying HUA Jin-lian | 2013 | Journal of Integrative Agriculture2013,12,4: | 3 |
| 16 | Afatinib versus cisplatin plus gemcitabine for first-line treatment of Asian patients with advanced non-small-cell lung cancer harbouring EGFR mutations (LUX-Lung 6): an open-label, randomised phase 3 trial显示文摘 | Yi-Long Wu Caicun Zhou Cheng-Ping Hu Jifeng Feng Shun Lu Yunchao Huang Wei Li Mei Hou Jian Hua Shi Kye Young Lee Chong-Rui Xu Dan Massey Miyoung Kim Yang Shi Sarayut L Geater | 2014 | Lancet Oncology2014,,2: | 3 |
| 17 | DNA vaccination of infants in the presence of maternal antibody: a measles model in the primate显示文摘 | Mary Premenko-Lanier Paul A Rota Gary Rhodes David Verhoeven Dan H Barouch Nicholas W Lerche Norman L Letvin William J Bellini Michael B McChesney | 2003 | Virology2003,,1: | 2 |
| 18 | 多重结局的多元Meta分析和多重治疗的网状Meta分析:原理、概念及实例显示文摘英国国家健康与临床优选研究所(NICE)等组织需要对现有研究获得的证据进行整合来指导决策,需要确定关于多重疗效及安全性结局的最佳治疗。但是,相关的研究不一定对所有关注的治疗或结局都进行了直接比较,多元Meta分析及网状Meta分析为如何确定最佳治疗这一问题提供了思路,该方法不仅考虑了直接证据,还利用了关联或间接的证据。本文中,研究者描述了这些方法学的重要概念及假设,并阐述关联及间接证据如何产生,同时通过图表说明这些证据在涉及多重结局和多重治疗的真实临床案例中如何使用。 | Richard D Riley Dan Jackson Georgia Salanti Danielle L Burke Malcolm Price Jamie Kirkham Ian R White 孙至佳(译) 张岩(译) 刘雪晴(译) 杨智荣(校) 孙凤(校) | 2018 | 英国医学杂志中文版2018,21,12: | 2 |
| 19 | Hepatic and extrahepatic malignancies in primary sclerosing cholangitis显示文摘 | Annika Bergquist Anders Ekbom Rolf Olsson Dan Kornfeldt Lars L??f ?ke Danielsson Rolf Hultcrantz Stefan Lindgren Hanne Prytz Hanna Sandberg-Gertzén Sven Almer Fredrik Granath Ulrika Broomé | 2002 | Journal of Hepatology2002,,3: | 2 |
| 20 | SKP2/P27 expression Profile is correlated with epstein-Barr virus status in extranodal nasal-type natural Killer cell lymphoma显示文摘 | Xiang L M Zu L S Dan H | 2008 | Transl Res2008,151,6: | 1 |