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120篇 您的检索式:作者名="Kui Zhou"
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1Analysis of factors associated with disease outcomes in hospitalized patients with 2019 novel coronavirus disease显示文摘Background Since early December 2019,the 2019 novel coronavirus disease(COVID-19)has caused pneumonia epidemic in Wuhan,Hubei province of China.This study aimed to investigate the factors affecting the progression of pneumonia in COVID-19 patients.Associated results will be used to evaluate the prognosis and to find the optimal treatment regimens for COVID-19 pneumonia.Methods Patients tested positive for the COVID-19 based on nucleic acid detection were included in this study.Patients were admitted to 3 tertiary hospitals in Wuhan between December 30,2019,and January 15,2020.Individual data,laboratory indices,imaging characteristics,and clinical data were collected,and statistical analysis was performed.Based on clinical typing results,the patients were divided into a progression group or an improvement/stabilization group.Continuous variables were analyzed using independent samples t-test or Mann-Whitney U test.Categorical variables were analyzed using Chi-squared test or Fisher’s exact test.Logistic regression analysis was performed to explore the risk factors for disease progression.Results Seventy-eight patients with COVID-19-induced pneumonia met the inclusion criteria and were included in this study.Efficacy evaluation at 2 weeks after hospitalization indicated that 11 patients(14.1%)had deteriorated,and 67 patients(85.9%)had improved/stabilized.The patients in the progression group were significantly older than those in the disease improvement/stabilization group(66[51,70]vs.37[32,41]years,U=4.932,P=0.001).The progression group had a significantly higher proportion of patients with a history of smoking than the improvement/stabilization group(27.3%vs.3.0%,χ^2=9.291,P=0.018).For all the 78 patients,fever was the most common initial symptom,and the maximum body temperature at admission was significantly higher in the progression group than in the improvement/stabilization group(38.2[37.8,38.6]vs.37.5[37.0,38.4]°C,U=2.057,P=0.027).Moreover,the proportion of patients with respiratory failure(54.5%vs.20.9%,χ^2=5.611,P=0.028)and respiratory rate(34[18,48]vs.24[16,60]breaths/min,U=4.030,P=0.004)were significantly higher in the progression group than in the improvement/stabilization group.C-reactive protein was significantly elevated in the progression group compared to the improvement/stabilization group(38.9[14.3,64.8]vs.10.6[1.9,33.1]mg/L,U=1.315,P=0.024).Albumin was significantly lower in the progression group than in the improvement/stabilization group(36.62±6.60 vs.41.27±4.55 g/L,U=2.843,P=0.006).Patients in the progression group were more likely to receive high-level respiratory support than in the improvement/stabilization group(χ^2=16.01,P=0.001).Multivariate logistic analysis indicated that age(odds ratio[OR],8.546;95%confidence interval[CI]:1.628-44.864;P=0.011),history of smoking(OR,14.285;95%CI:1.577-25.000;P=0.018),maximum body temperature at admission(OR,8.999;95%CI:1.036-78.147,P=0.046),respiratory failure(OR,8.772,95%CI:1.942-40.000;P=0.016),albumin(OR,7.353,95%CI:1.098-50.000;P=0.003),and C-reactive protein(OR,10.530;95%CI:1.224-34.701,P=0.028)were risk factors for disease progression.Conclusions Several factors that led to the progression of COVID-19 pneumonia were identified,including age,history of smoking,maximum body temperature at admission,respiratory failure,albumin,and C-reactive protein.These results can be used to further enhance the ability of management of COVID-19 pneumonia.Wei Liu Zhao-Wu Tao Lei Wang Ming-Li Yuan Kui Liu Ling Zhou Shuang Wei Yan Deng Jing Liu Hui-Guo Liu Ming Yang Yi Hu 2020Chinese Medical Journal2020,,9:31
2Clinical characteristics of fatal and recovered cases of coronavirus disease 2019 in Wuhan,China:a retrospective study显示文摘Background:The 2019 novel coronavirus has caused the outbreak of the acute respiratory disease in Wuhan,Hubei Province of China since December 2019.This study was performed to analyze the clinical characteristics of patients who succumbed to and who recovered from 2019 novel coronavirus disease(COVID-19).Methods:Clinical data were collected from two tertiary hospitals in Wuhan.A retrospective investigation was conducted to analyze the clinical characteristics of fatal cases of COVID-19(death group)and we compare them with recovered patients(recovered group).Continuous variables were analyzed using the Mann-WhitneyU test.Categorical variables were analyzed byχ2 test or Fisher exact test as appropriate.Results:Our study enrolled 109 COVID-19 patients who died during hospitalization and 116 recovered patients.The median age of the death group was older than the recovered group(69[62,74]vs.40[33,57]years,Z=9.738,P<0.001).More patients in the death group had underlying diseases(72.5%vs.41.4%,χ2=22.105,P<0.001).Patients in the death group had a significantly longer time of illness onset to hospitalization(10.0[6.5,12.0]vs.7.0[5.0,10.0]days,Z=3.216,P=0.001).On admission,the proportions of patients with symptoms of dyspnea(70.6%vs.19.0%,χ2=60.905,P<0.001)and expectoration(32.1%vs.12.1%,χ2=13.250,P<0.001)were significantly higher in the death group.The blood oxygen saturation was significantly lower in the death group(85[77,91]%vs.97[95,98]%,Z=10.625,P<0.001).The white blood cell(WBC)in death group was significantly higher on admission(7.23[4.87,11.17]vs.4.52[3.62,5.88]×109/L,Z=7.618,P<0.001).Patients in the death group exhibited significantly lower lymphocyte count(0.63[0.40,0.79]vs.1.00[0.72,1.27]×109/L,Z=8.037,P<0.001)and lymphocyte percentage(7.10[4.45,12.73]%vs.23.50[15.27,31.25]%,Z=10.315,P<0.001)on admission,and the lymphocyte percentage continued to decrease during hospitalization(7.10[4.45,12.73]%vs.2.91[1.79,6.13]%,Z=5.242,P<0.001).Alanine transaminase(22.00[15.00,34.00]vs.18.70[13.00,30.38]U/L,Z=2.592,P=0.010),aspartate transaminase(34.00[27.00,47.00]vs.22.00[17.65,31.75]U/L,Z=7.308,P<0.001),and creatinine levels(89.00[72.00,133.50]vs.65.00[54.60,78.75]μmol/L,Z=6.478,P<0.001)were significantly higher in the death group than those in the recovered group.C-reactive protein(CRP)levels were also significantly higher in the death group on admission(109.25[35.00,170.28]vs.3.22[1.04,21.80]mg/L,Z=10.206,P<0.001)and showed no significant improvement after treatment(109.25[35.00,170.28]vs.81.60[27.23,179.08]mg/L,Z=1.219,P=0.233).The patients in the death group had more complications such as acute respiratory distress syndrome(ARDS)(89.9%vs.8.6%,χ2=148.105,P<0.001),acute cardiac injury(59.6%vs.0.9%,χ2=93.222,P<0.001),acute kidney injury(18.3%vs.0%,χ2=23.257,P<0.001),shock(11.9%vs.0%,χ2=14.618,P<0.001),and disseminated intravascular coagulation(DIC)(6.4%vs.0%,χ2=7.655,P=0.006).Conclusions:Compared to the recovered group,more patients in the death group exhibited characteristics of advanced age,pre-existing comorbidities,dyspnea,oxygen saturation decrease,increased WBC count,decreased lymphocytes,and elevated CRP levels.More patients in the death group had complications such as ARDS,acute cardiac injury,acute kidney injury,shock,and DIC.Yan Deng Wei Liu Kui Liu Yuan-Yuan Fang Jin Shang Ling Zhou Ke Wang Fan Leng Shuang Wei Lei Chen Hui-Guo Liu 2020Chinese Medical Journal2020,,11:29
3One-step generation of complete gene knockout mice and monkeys by CRISPR/Cas9-mediated gene editing with multiple sgRNAs显示文摘CRISPR/Cas9 系统是一个有效编辑基因的方法,但是编辑基因的动物的多数显示出 mosaicism,与编辑仅仅在房间的部分发生。这里,我们证明那单个基因或多重基因能被 Cas9 mRNA 和多重邻近的单个指南的 RNA 的 zygotic 注射完全在老鼠和猴子胚胎击倒(spaced 10-200 bp 分开) 指向仅仅一把单个钥匙每基因的 exon。个别地在 Y 染色体上跟随八基因的指向的删除的 F0 老鼠的 Phenotypic 分析在产生猛烈老鼠表明了这条途径的坚韧性。重要地,这条途径在高效率交付完全的基因大美人(Arntl 上的 100% 并且 91% 在 Prrt2 上) 在猴子胚胎。最后,我们能在一个单个步骤产生一只完全的 Prrt2 猛烈猴子,表明在很快建立编辑基因的猴子模型的这条途径的实用性。Erwei Zuo Yi-Jun Cai Kui Li Yu Wei Bang-An Wang Yidi Sun Zhen Liu Jiwei Liu Xinde Hu Wei Wei Xiaona Huo Linyu Shi Cheng Tang Dan Liang Yan Wang Yan-Hong Nie Chen-Chen Zhang Xuan Yao Xing Wang Changyang Zhou Wenqin Ying Qifang Wang Ren-Chao Chen Qi Shen Guo-Liang Xu Jinsong Li Qiang Sun Zhi-Qi Xiong Hui Yang 2017Cell Research2017,27,7:21
4The Genome of Medicinal Plant Macleaya cordata Provides New Insights into Benzylisoquinoline Alkaloids Metabolism显示文摘在动物农业和药的抗菌素的 overuse 引起了一系列潜在的威胁到公共健康。Macleaya cordata 是从 Papaveraceae 家庭的药用的植物种,提供为抗菌剂的制造的一个安全资源为家畜喂添加剂。从 M. 的活跃成分 ? cordata 被知道包括 benzylisoquinoline 碱(偏爱) 象 sanguinarine (圣) 和 chelerythrine (CHE ) 那样的 ?,而是他们的新陈代谢的小径还得在这非模型植物被学习。在 M. 的圣和 CHE 的活跃生合成 ? cordata 被喂 13标记 C 的酷氨酸。为了增加,推进卓见,我们 de novo 定序 M 的整个染色体。cordata,第一从 Papaveraceae 家庭被定序。M.? 盖住 378 Mb 的 cordata 染色体与 43.5%being 编码 22,328 预言的编码蛋白质的基因 transposable 元素。作为基础 eudicot 的一个成员, M.? cordata 染色体缺乏 ? 发生在几乎所有 eudicots 的 paleohexaploidy 事件。从 genomics 数据, 16 的一个完全的集合 ? 新陈代谢 ? 为圣和 CHE 生合成的基因被检索,并且 14 项他们的生物化学的活动被验证。这些 genomics 和新陈代谢的数据在 M. 显示出保存 BIA 新陈代谢的小径 ? cordata 并且由庄稼改进或微生物引起的小径重建为圣和 CHE 的未来生产提供知识基础。Xiubin Liu Yisong Liu Peng Huang Yongshuo Ma Zhixing Qing Qi Tang Huifen Cao Pi Cheng Yajie Zheng Zejun Yuan Yuan Zhou Jinfeng Liu Zhaoshan Tang Yixiu Zhuo Yancong Zhang Linlan Yu Jialu Huang Peng Yang Qiong Peng dinbo Zhang Wenkai Jiang Zhonghua Zhang Kui Lin Dae-Kyun Ro Xiaoya Chen Xingyao Xiong Yi Shang Sanwen Huang Jianguo Zeng 2017Molecular Plant2017,10,7:19
5Single-cell transcriptomics reveals regulators underlying immune cell diversity and immune subtypes associated with prognosis in nasopharyngeal carcinoma显示文摘Nasopharyngeal carcinoma(NPC)is an aggressive malignancy with extremely skewed ethnic and geographic distributions.Increasing evidence indicates that targeting the tumor microenvironment(TME)represents a promising therapeutic approach in NPC,highlighting an urgent need to deepen the understanding of the complex NPC TME.Here,we generated single-cell transcriptome profiles for 7581 malignant cells and 40,285 immune cells from fifteen primary NPC tumors and one normal sample.We revealed malignant signatures capturing intratumoral transcriptional heterogeneity and predicting aggressiveness of malignant cells.Diverse immune cell subtypes were identified,including novel subtypes such as CLEC9A^+dendritic cells(DCs).We further revealed transcriptional regulators underlying immune cell diversity,and cell–cell interaction analyses highlighted promising immunotherapeutic targets in NPC.Moreover,we established the immune subtype-specific signatures,and demonstrated that the signatures of macrophages,plasmacytoid dendritic cells(pDCs),CLEC9A^+DCs,natural killer(NK)cells,and plasma cells were significantly associated with improved survival outcomes in NPC.Taken together,our findings represent a unique resource providing in-depth insights into the cellular heterogeneity of NPC TME and highlight potential biomarkers for anticancer treatment and risk stratification,laying a new foundation for precision therapies in NPC.Yu-Pei Chen Jian-Hua Yin Wen-Fei Li Han-Jie Li Dong-Ping Chen Cui-Juan Zhang Jia-Wei Lv Ya-Qin Wang Xiao-Min Li Jun-Yan Li Pan-Pan Zhang Ying-Qin Li Qing-Mei He Xiao-Jing Yang Yuan Lei Ling-Long Tang Guan-Qun Zhou Yan-Ping Mao Chen Wei Ke-Xu Xiong Hong-Bo Zhang Shi-Da Zhu Yong Hou Ying Sun Michael Dean Ido Amit Kui Wu Dong-Ming Kuang Gui-Bo Li Na Liu Jun Ma 2020Cell Research2020,30,11:19
6IL-37b gene transfer enhances the therapeutic efficacy of mesenchumal stromal cells in DSS- induced colitis mice显示文摘瞄准:调查是否 IL-37b 基因的转移,天生、适应的免疫的一个最新识别的禁止者,能在煽动性的肠疾病( IBD )改进 mesenchumal stromal 房间( MSC )的治疗学的功效 .Methods :在有活跃 ulcerative 大肠炎( UC )的病人的 biopsied 标本的 IL-37 的表示用 RT-PCR 和 immunohistochemistry 被检测。老鼠与 3% 葡聚糖硫酸盐钠(决策支持系统) 被对待 8 天导致大肠炎。在决策支持系统治疗前,老鼠与 MSC, MSC-eGFP 或 MSC-IL37b 被注射。他们的身体重量每天被测量,并且结肠和脾在 d 上被收获 10 为病理学、生物化学的 analyses.Results : 在有活跃 UC 的病人,的 biopsied 标本, IL-37 的表示戏剧性地在煽动的 mucosa 被提高,主要在上皮的房间和渗透的有免疫力的房间。比作 MSC-eGFP 或 MSC, MSC-IL37b 管理显著地稀释了身体重量和冒号长度减小,并且减少在导致决策支持系统的大肠炎老鼠的组织学的分数。而且, MSC-IL37b 管理在老鼠在脾的 CD4+ T 房间之中象规章的 T 房间(Tregs ) 的百分比一样在全部的脾的 mononuclear 房间之中增加了导出 myeloid 的 suppressor 房间(MDSC ) 的百分比。而且, MSC-IL37b 管理增加了 IL-2+ 房间并且减少 IFN-γ在脾的 CD4+ T cells.Conclusion 之中的 + 房间: IL-37 涉及 UC 的 pathophysiology。IL-37b 基因转移由导致 Tregs 和 MDSC 并且调整 cytokine 生产在导致决策支持系统的大肠炎老鼠提高 MSC 的治疗学的功效。Wei-qiang WANG Kui DONG Lu ZHOU Guo-hui JIAO Cong-zhong ZHU Wen-wen LI Gang YU Wan-tong WU Song CHEN Zhi-na SUN Yu-ming WANG Wen-tian LIU Jie ZHANG Bang-mao WANG Xiao-ming FENG 2015Acta Pharmacologica Sinica2015,36,11:13
7Heavy metals contents in soil profiles of typical agricultural lands in Yixing,Jiangsu Province,China显示文摘The effect of land use pattern on the heavy metals(HMs)distribution in soil profiles was investigated in Yixing City,China,for the four typical types of land utilization,i.e.vegetable fields on the plain,paddy fields,tea gardens on hilly lands and bamboo groves.The variance of HMs concentration in the depth of 0-15 cm,15-30 cm,30-60 cm of soil profiles was compared among the different tillage ages. Results showed there was a notable accumulation of Cd,Hg,Cu,Pb,Zn and Cr in the soil profiles of vegetable fields and paddy fields causing a pollution of Cu,Hg and Cd in some profiles,while no remarkable accumulation of HMs in the soil profiles of the tea gardens and bamboo groves was found. The accumulation extent of HMs in the soil profiles of the four kinds of land use followed a sequence of vegetable fields>paddy fields>tea gardens>bamboo groves.The accumulation of HMs was mainly due to the industry,transportation,other urban human activities,and intensive use of fertilizers and pesticides.The downward leaching of HMs was relatively remarkable in the soil profiles of vegetable fields. There was an accumulation in surface and subsurface layers for Cd,Hg,Pb,Zn in the soil profiles of paddy fields and tea gardens,and for Cd,Hg in those of bamboo groves.Serious pollution effects of Hg, Pb,and Zn have been shown in the soil of vegetable fields.All the four kinds of agricultural land are basically free from the pollution of the external sources of As and Ni.With the increase of tillage time, the soil of vegetable and paddy fields will face the potential risk of HMs pollution,which mainly comes from Hg,Cd and Cu,whereas that of tea gardens and bamboo groves faces a relatively small risk.Zhou ShengLu Liao FuQiang Wu ShaoHua Zhang HongFu Ren Kui 2008Chinese Science Bulletin2008,53,S1:11
8Corrosion behavior of aluminum alloys in Na_2SO_4 solution using the scanning electrochemical microscopy technique显示文摘The corrosion behavior of aluminum alloys 1060 and 2A12 in a 10 mM Na2SO4+5 mM KI solution was investigated by scanning electrochemical microscopy(SECM) and scanning electron microscopy(SEM) . The potential topography and corrosion morphology results show that the potential of the sample surface over the same area changes with the increase of immersion time. The corrosion area becomes large,and the potential becomes more negative. The corrosion potential of the 2A12 alloy surface is lower than that of 1060 aluminum,and 2A12 alloy becomes easily corrosive. This is the reason that preferential dissolution in the boundary region of some intermetallic particles(IMPs) occurs and different dissolution behaviors are associated with different types of IMPs because of different potentials.He-rong Zhou Xiao-gang Li Chao-fang Dong Kui Xiao Tai Li 2009International Journal of Minerals,Metallurgy and Materials2009,16,1:8
9Effects of Cultivar on Phenolic Content and Antioxidant Activity of Naked Oat in China显示文摘To evaluate the effects of naked oat cultivars on their phenolic contents and antioxidant activities, the oat seeds from 21 different cultivars in China were collected, and their major nutritional components, compositions of polyphenols, and antioxidant activities were measured. As the results, oat cultivars affected its phenolic composition and antioxidant activity significantly. Vanillin, chlorogenic acid, ferulic acid, avenanthramide C(Bc), avenanthramide A(Bp), and avenanthramide B(Bf) in oat polyphenols extracts were detected in all cultivars of oat, while caffeic acid, p-coumaric acid and rutin were partly detected. All oat cultivars showed significant free radical scavenging activity, although their activities were lower than that of vitamin C(VC). Different oat varieties showed different antioxidant activities, among which Yanke 1 had the best ability to scavenge ·OH((58.78±1.99) μg mL-1), Baiyan 10 showed the strongest DPPH·((22.00±0.43) μg mL-1) and ABTS·+((6.92±0.44) μg mL-1) scavenging activity, and Dingyou 1 showed good scavenging ability of DPPH·((22.71±0.42) μg mL-1) and ·OH((81.50±1.73) μg mL-1). In addition, the correlation coefficients of contents between the major nutritional components in different cultivars of oat and phenolic compounds indicated that determination of main nutrients could be used as an easy technique to evaluate approximately the contents and compositions of oat polyphenols, which simplifies the selection of good oat cultivar.TONG Li-tao LIU Li-ya ZHONG Kui WANG Yan GUO Li-na ZHOU Su-mei 2014Journal of Integrative Agriculture2014,13,8:8
10Spatial distribution and sources of soil heavy metals in the outskirts of Yixing City,Jiangsu Province,China显示文摘City outskirts serve as the concentration centers for the pollutants discharged from various sources such as industry,agriculture and transportation.With the acceleration of industrialization and urbanization,the eco-environment of the city outskirts has become a hot spot of public concern.An analysis was conducted in this paper on the soil in the outskirts of Yixing City using frequency distribution functions.The heavy metal sources in this region had been divided into two components,i.e.natural background component and strong human disturbance component.The corresponding interpretation of the distribution pattern and features of heavy metal elements was presented by spatial analysis.The results showed that the strong human disturbance components of Hg,Pb,and Cu accounted for 36.9%, 26.7%,and 23.3%in their contents respectively,which indicated directly the serious effect of human activities on heavy metal contents.Hg and Pb,because of the human disturbance,showed the greatest spatial variability,and human activities intensified the heterogeneity of the spatial distribution.The anisotropic analysis showed the higher organisation of Hg and Zn in the direction of urban-rural transition,which indicated their spatial characteristics with urban-rural transition.Pb displayed distinctive structure in the vertical direction of urban-rural transition,which was largely controlled by highway distribution.Cu content in paddy fields was significantly higher than those of other land-use-types,and the agricultural non-point source pollution played an important role in the distribution pattern of Cu.ShaoHua Wu ShengLu Zhou DeZhi Yang FuQiang Liao HongFu Zhang Kui Ren 2008Chinese Science Bulletin2008,53,S1:7
11Relationship between reduced nicotinamide adenine dinucleotide phosphate oxidase subunit p22phox gene polymorphism and obstructive sleep apnea-hypopnea syndrome in the Chinese Han population显示文摘背景反应的氧种类(ROS ) 的增加的生产被认为在妨碍的睡觉呼吸暂停呼吸过慢过浅症候群(OSAHS ) 的致病起一个主要作用。减少的菸碱腺嘌 dinucleotide 磷酸盐(NADPH ) oxidase 建筑群是 ROS 的重要来源。p22phox 子单元与在潜在的 heme 绑定地点为酷氨酸改变 histidine-72 的 C242T 变体是多态的。这研究试图调查在 NADPH oxidase 子单元 p22phox 基因多型性和 OSAHS 之间的关系。 p22phox 多型性的遗传型被聚合酶链反应限制决定的方法碎裂在在中国的南部的区域的汉人口的 176 个无关的题目的长度多型性( PCR-RFLP )试金(包括 107 个 OSAHS 题目和 69 non-OSAHS 使遭到),当 superoxide dismutase (草皮)的血浆集中在外部血 mononuclear 在二个组,和 p22phox mRNA 表示被检测时,房间( PBMC )与反向的抄写聚合酶链 re 被决定与 non-OSAHS 控制相比组织((85.31 牥吗??LIU Hui-guo LIU Kui ZHOU Yan-ning XU Yong-jian 2009Chinese Medical Journal2009,,12:6
12DIFFERENTIATION BETWEEN MALIGNANT AND BENIGN OVARIAN TUMORS BY MAGNETIC RESONANCE IMAGING显示文摘Objective To determine the magnetic resonance (MR) imaging findings of an ovarian mass which are most predictive of malignancy and assess the value of intravenous gadolinium administration in the characterization of an ovarian mass. Methods Totally 74 consecutive patients with a clinically or sonographically indeterminate adnexal mass underwent MR imaging, of whom 59 had subsequent surgical resection of 70 adnexal masses. These 59 patients formed the study population. MR imaging studies were prospectively and independently reviewed by a senior and a junior radiologist. The senior radiologist also reevaluated the studies in a blind fashion after a minimum 6 months interval. The sensitivity, specificity, positive predictive value, and negative predictive value of contrast-enhanced and unenhanced MR imaging were evaluated. Results The most predictive MR imaging findings for malignancy were presence of vegetations in a cystic lesion and presence of necrosis in a solid lesion. The odds ratio was even higher when the ancillary finding of peritoneal metastasis or ascites was present. Contrast media contributed significantly to lesion characterization. Total 70 ovarian masses were detected by contrast-enhanced MR imaging including 37 malignant ovarian masses and 33 benign ovarian masses with 87% (61/70) accuracy, 86% (32/37) sensitivity, 88% (29/33) specificity, 89% (32/36) positive predictive value, and 85% (29/34) negative predictive value, whereas 70 ovarian masses were detected by unenhanced MR imaging with 74% (52/70) accuracy, 73% (27/37) sensitivity, 76% (25/33) specificity, 77% (27/35) positive predictive value, and 71% (25/35) negative predictive value. There were significant differences in accuracy (P<0.01), sensitivity (P<0.01), specificity (P<0.01) between contrast-enhanced and unenhanced MR imaging. Conclusion Contrast-enhanced MR imaging is highly accurate in detection and characterization of complex adnexal masses.Min Chen Wen-chao Wang Cheng Zhou Ni-na Zhou Kui Cai Zheng-han Yang Wei-feng Zhao Sa-ying Li Guo-zhen Li 2006Chinese Medical Sciences Journal2006,21,4:6
13Dynamic Expression of MicroRNA-127 During Porcine Prenatal and Postnatal Skeletal Muscle Development显示文摘MicroRNAs(miRNAs), evolutionarily conserved non-coding RNAs in length 21-24 bp, play a critical role in skeletal muscle development. In this study, to explore the function of mircoRNA-127 in porcine skeletal muscle development, eight tissue samples from adult pigs and longissimus muscle samples at 26 developmental stages were collected from Tongcheng and Landrace pigs. The spatial-temporal expression profiles of miRNA-127 were carried out using step-loop quantitative real-time PCR(stemloop RT-PCR). To explore the molecular functions of miRNA-127, we predicted its target genes and performed functional annotation using bioinformatics methods. Results suggested that miRNA-127 was abundantly expressed in heart, ovary, uterus and spleen tissues and was weakly expressed in liver, lung, kidney and small intestine in both Tongcheng and Landrace pigs. And miRNA-127 showed significant expression differences in heart, ovary, spleen and uterus tissues between these two breeds. miRNA-127 basically kept at a relatively stable high level in middle and later embryonic stages and a low expression level in early embryonic stages and postnatal stages, but the expression levels of miRNA-127 were higher in Tongcheng pigs than in Landrace at most developmental stages. miRNA-127 potentially regulated 240 candidate genes. Results of Gene Ontology and KEGG pathway analysis indicated that these genes could be involved in many molecular functions and mechanisms, such as regulation of the force of heart contraction, regulation of transcription, regulation of T cell differentiation, MAPK signaling pathway and GnRH signaling pathway. Many significantly enriched GO terms and KEGG pathways were related to skeletal muscle development. This study will be helpful to understand the biological function for miRNA-127 and identify candidate gene associated with meat production traits in pigs.YANG Ya-lan LI Yan LIANG Ru-yi ZHOU Rong AO Hong MU Yu-lian YANG Shu-lin LI Kui TANG Zhong-lin 2014Journal of Integrative Agriculture2014,13,6:6
14Relationship of the preoperative NRS 2002 score,PG-SGA score,and serum indices with postoperative complications in patients with gastric cancer显示文摘Objective To examine the utility of the Nutrition Risk Screening 2002(NRS 2002),Patient-Generated Subjective Global Assessment(PG-SGA)and serum factors for the preoperative evaluation of gastric cancer patients.Methods We examined 181 gastric cancer patients treated at the First Affiliated Hospital of Guangxi Medical University from January 2015 to January 2018.Nutritional assessments were administered within 48 h of admission.The body mass index(BMI)and serum factors were measured,and information on preoperative nutritional support and postoperative complications was recorded.Results Both the NRS 2002 and PG-SGA had positive correlations with age(P<0.05),and negative correlations with albumin,prealbumin,transferrin,hemoglobin,BMI,and bodyweight(P<0.05).The NRS 2002 and PG-SGA scores were positively correlated with each other(r=0.683,P<0.01),but had poor consistency(κ=0.357,P<0.01).During the preoperative period,33.2%of patients received nutritional support,mainly enteral nutrition.The nutritional risk group(NRS 2002≥3)received more support than the group without nutritional risk(NRS 2002<3;P<0.05).Patients with nutritional risk or malnutrition who received preoperative nutritional support had fewer postoperative complications than unsupported patients.The overall rate of complications was 12.2%,and the rate of severe complications(gradeⅢor above)was 5.5%.The malnutrition and nutritional risk groups had higher rates of severe complications.Conclusions The combined application of the NRS 2002,PG-SGA,BMI,and serum nutritional indices was useful for the nutritional screening and assessment of preoperative gastric cancer patients.The NRS 2002 and PG-SGA provided guidance on the need for nutritional support during the preoperative period.Dao Lai Huang Xiang Hua Wu Chang Li Wang Jun Qiang Chen Kui Jia Jing Zhou Li Sheng Lu Yong Sheng Zhang Jing Jin Ke Ke Huang 2021Journal of Nutritional Oncology2021,6,2:5
15Structural basis for the recognition of Asef by adenomatous polyposis coli显示文摘Adenomatous polyposis coli (APC ) 通过激活刺激 APC 的 guanine 核苷酸交换因素调整房间房间粘附和房间移植(GEF;Asef ) ,它通常是通过在它的 Src 相同之间的绑定的 autoinhibited 3 (SH3 ) 并且 Dbl 相同(DH ) 领域。激活 APC 的 Asef 刺激小 GTPase Cdc42,它导致减少的房间房间坚持和提高的房间移植。在 colorectal 癌症,组成地截断了 APC 激活 Asef 并且支持癌症房间移植和 angiogenesis。这里,我们报导人的 APC/Asef 建筑群的水晶结构。我们发现 APC 的犰狳重复域使用一条高度保存的表面沟认出 Asef 的 APC 有约束力的区域(ABR ) ,哪个在绑定之上戏剧性地改变到 APC 的符合构造。为复杂形成的 APC 和 Asef 上的关键残余被变异,他们的重要性被绑定和活动试金表明。有 autoinhibited Asef 的 APC/Asef 建筑群的结构的重迭建议在 APC 和 Asef 之间的绑定可能创造在 Asef-DH 领域和 APC 之间的位的碰撞,它可能在刺激它的 GEF 活动的 Asef 导致一个 conformational 变化。我们的结构因此阐明由 APC 的 Asef 识别的分子的机制,以及对癌症为药品的干预提供一个潜在的目标。Zhenyi Zhang Leyi Chen Lei Gao Kui Lin Liang Zhu Yang Lu Xiaoshan Shi Yuan Gao Jing Zhou Ping Xu Jian Zhang Geng Wu 2012Cell Research2012,22,2:5
16Future livestock breeding: Precision breeding based on multiomics information and population personalization显示文摘With the rapid development of molecular biology and related disciplines, animal breeding has moved from conventional breeding to molecular breeding. Marker-assisted selection and genomic selection have become mainstream practices in molecular breeding of livestock. However, these techniques only use information from genomic variation but not multi-omics information, thus do not fully explain the molecular basis of phenotypic variations in complex traits. In addition, the accuracy of breeding value estimation based on these techniques is occasionally controversial in different populations or varieties. Given the rapid development of high-throughput sequencing techniques and functional genome and dramatic reductions in the overall cost of sequencing, it is possible to clarify the interactions between genes and formation of phenotypes using massive sets of omic-level data from studies of the transcriptome, proteome, epigenome, and metabolome. During livestock breeding, multi-omics information regarding breeding populations and individuals should be taken into account. The interactive regulatory networks governing gene regulation and phenotype formation in diverse livestock population, varieties and species should be analyzed. In addition, a multi-omics regulatory breeding model should be constructed. Precision, population-personalized breeding is expected to become a crucial practice in future livestock breeding. Precision breeding of individuals can be achieved by combining population genomic information at multi-omics levels together with genomic selection and genome editing techniques.YANG Ya-lan ZHOU Rong LI Kui 2017Journal of Integrative Agriculture2017,16,12:4
17Neuroprotective effects of vagus nerve stimulation on traumatic brain injury显示文摘Previous studies have shown that vagus nerve stimulation can improve the prognosis of traumatic brain injury. The aim of this study was to elucidate the mechanism of the neuroprotective effects of vagus nerve stimulation in rabbits with brain explosive injury. Rabbits with brain explosive injury received continuous stimulation(10 V, 5 Hz, 5 ms, 20 minutes) of the right cervical vagus nerve. Tumor necrosis factor-α, interleukin-1β and interleukin-10 concentrations were detected in serum and brain tissues, and water content in brain tissues was measured. Results showed that vagus nerve stimulation could reduce the degree of brain edema, decrease tumor necrosis factor-α and interleukin-1β concentrations, and increase interleukin-10 concentration after brain explosive injury in rabbits. These data suggest that vagus nerve stimulation may exert neuroprotective effects against explosive injury via regulating the expression of tumor necrosis factor-α, interleukin-1β and interleukin-10 in the serum and brain tissue.Long Zhou Jinhuang Lin Junming Lin Guoju Kui Jianhua Zhang Yigang Yu 2014Neural Regeneration Research2014,9,17:4
18Features of Sand-dust Deposits in Harbin City,China显示文摘From the sedimentologic view,this paper analyses the grain-size distribution and the chemical composition of the deposits from sand-dust storm,occurring in Harbin on March 20,2002.The result indicates that there exist plentiful coarse matters in the sand-dust deposits in Harbin,and the sand-dust composition presents obvious three peak distribu-tion characteristics,indicating that the sand-dust in Harbin is composed of multi-origin components.The grain-size composition consists of silt(4-8Ф),accounting for 71.18% of the total,sand(>4Ф),21.70%,and clay(<8Ф),only 7.13%.The average grain size(Mz) is 5.14Ф.The chemical elements of the deposits are mainly SiO2 and Al2O3 and Fe2O3,totally occupying 77.8%.The enrichment factors(EF) of Mg,K,Si,Fe,Mn,P,Ti,Co,Ni and V elements are all about 1,which mainly come from lithosphere source,while parts of Cu,Pb,Zn,Cr and Se elements are from pollution sources out of lithosphere source,and As,Cd and Sb elements are mainly from pollution sources.Based on the com-prehensive analysis of grain-size,chemical composition,enrichment factor(EF),discriminant function(DF) and matter source index(PI),this paper points out that the grain-size distribution and element composition of the sand-dust deposits in Harbin are evidently different from the loess and sand-dust in Lanzhou,and that matter source of the sand-dust in Harbin is different from the loess in Northwest China and the sand-dust in Lanzhou.The sand-dust deposits in Harbin are an admixture of coarse grains transmitted in short distance and fine grains transported in long distance.The plentiful coarse grains of the sand-dust deposits in Harbin origin from sand of local spot,and are the near-source deposits transported by low altitude airflow.XIE Yuanyun ZHANG yan HE Kui ZHOU Jia KANG Chunguo 2006Chinese Geographical Science2006,16,4:4
19Microstructure of Carbides at Grain Boundaries in Nickel Based Superalloys显示文摘It is well known that carbides at grain boundaries play an important role in affecting mechanical properties of nickel based superalloys. In order to deeply understand the relationship between grain boundary structures and properties, in this work, we have investigated the microstructure of grain boundaries with different misorientation angles in bicrystals of nickel based superalloys. It is found that the bicrystals with smaller misorientation angles contain denser M 23 C 6 but sparse MC particles at grain boundaries, and this kind of bicrystals presents longer stress rupture lives. It was observed that MC carbides were decorated by M 23 C 6 and M 6 C particles at grain boundaries. The formation of these carbide particles, therefore, is likely due to the local fluctuation of chemical composition around MC carbides. In addition, the orientation relationships between MC carbides and γ/γ matrix were also determined.Xiaoming Dong Xiaoli Zhang Kui Du Yizhou Zhou Tao Jin Hengqiang Ye 2012Journal of Materials Science & Technology2012,28,11:4
20Two New Dammarane Glycosides from the Acid Hydrolysis Product of Panax Notoginseng显示文摘Two new dammarane glycosides named notoginsenoside T1 and T2 were isolated from the mild acid hydrolysis products of the root saponins of Panax notoginseng. On the basis of spectroscopic evidences, their structures were elucidated to be 6-O-?-D-glucopyranosyl-24(25)-epoxy-3?,6?,12?,23ξ-tetrahydroxydammar-20(22)(E)-ene 1 and 6-O-?-D-glucopyranosyl-24(25)-epoxy-23ξ-methoxyl-3?,6?,12?-trihydroxydamm-ar-20(22)(E)-ene 2, respectively.Rong Wei TENG, Hai Zhou LI, Xue Mei ZHANG, Xi Kui LIU, De Zu WANG, Chong Ren YANG* Kunming Institute of Botany, Chinese Academy of Sciences, Kunming 650204 2001Chinese Chemical Letters2001,12,3:4
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