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| 1 | Mesenchymal stem cells: a new strategy for immunosuppression and tissue repair显示文摘间充质的干细胞(MSC ) 为治疗各种各样的疾病有大潜力,特别那些与织物有关损坏包含有免疫力的反应。各种各样的研究证明了 MSC 在 vitro 并且在 vivo 是强烈抑制免疫力的。我们的最近的研究证明了那未刺激的 MSC 确实不能免疫力的抑制;他们与 TNF- 伪, IL-1 伪或 IL-1 尾与激活的淋巴细胞的上层清液,或与 IFN- 纬的联合在刺激之上变得 potently 抑制免疫力。这观察表明在某些情形下面,煽动性的 cytokines 能实际上变得抑制免疫力。我们证明在调停 MSC 的免疫力的抑制的机制有一个种类变化:由告知 cytokine 的老鼠 MSC 的免疫力的抑制被氮的氧化物调停(没有) 而由告知 cytokine 的人的 MSC 的免疫力的抑制通过 indoleamine 被执行 2, 3-dioxygenase (伊多语) 。在有煽动性的 cytokines 的刺激之上,另外,老鼠和人的 MSC 分泌几白血球 chemokines 显然服务与 MSC 吸引有免疫力的房间进最近,在哪儿不或伊多语被预言很活跃。因此,由煽动性的刺激 cytokine 的 MSC 的免疫力的抑制经由 chemokines 的一致行动发生并且免疫者禁止没有或伊多语由 MSC 生产了。因此,我们的结果在对待有免疫力的回答导致的织物损害关于调停 MSC 的免疫力的抑制并且为 MSC 的更好的申请的机制提供新奇信息。 | Yufang Shi Gangzheng Hu Juanjuan Su Wenzhao Li Qing Chen Peishun Shou Chunliang Xu Xiaodong Chen Yin Huang Zhexin Zhu Xin Huang Xiaoyan Han Ningxia Xie Guangwen Ren | 2010 | Cell Research2010,20,5: | 72 |
| 2 | China’s urban expansion from 1990 to 2010 determined with satellite remote sensing显示文摘Based on the same data source of Landsat TM/ETM+ in 1990s,2000s and 2010s,all urban built-up areas in China are mapped mainly by human interpretation.Mapping results were checked and refined by the same analyst with the same set of criteria.The results show during the last 20 years urban areas in China have increased exponentially more than 2 times.The greatest area of urbanization changed from Northeastern provinces in 1990s to the Southeast coast of China in Jiangsu,Guangdong,Shandong,and Zhejiang in 2010s.Urban areas are mostly converted from croplands in China.Approximately 17750 km 2 croplands were converted into urban lands.Furthermore,the conversion from 2000 to 2010 doubled that from 1990 to 2000.During the 20 years,the most urbanized provinces are Jiangsu,Guangdong,Shandong and Zhejiang.We also analyzed built-up areas,gross domestic production (GDP) and population of 147 cities with a population of greater than 500000 in 2009.The result shows coastal cities and resource-based cities are with high economic efficiency per unit of built-up areas,resource-based cities have the highest population density,and the economic efficiency of most coastal provinces are lower than central provinces and Guangdong.The newly created urban expansion dataset is useful in many fields including trend analysis of urbanization in China;simulation of urban development dynamics;analysis of the relationship among urbanization,population growth and migration;studies of carbon emissions and climate change;adaptation of climate change;as well as land use and urban planning and management. | WANG Lei LI CongCong YING Qing CHENG Xiao WANG XiaoYi LI XueYan HU LuanYun LIANG Lu YU Le HUANG HuaBing GONG Peng | 2012 | Chinese Science Bulletin2012,57,22: | 64 |
| 3 | Tibetan Plateau climate dynamics: recent research progress and outlook显示文摘This paper reviews progress in the study of Tibetan Plateau(TP) climate dynamics over the past decade.Several theoretical frameworks, including thermal adaptation and the TP sensible heat(SH) driving air-pump, have been developed to identify the mechanisms responsible for the circulation anomaly produced by thermal forcing of the TP. Numerical simulations demonstrate that the thermal efects of large-scale orography, including the Tibetan and Iranian Plateaus(TIP), are crucial for the formation of the East Asian and South Asian summer monsoons(SASM) because the surface SH of the TIP is the major driver of the water vapor transport required for the genesis of the north branch of the SASM. he large-scale orography of the TP afects the Asian climate through thermal forcing in spring and summer, and mechanical forcing in winter. he TP forcing can also inluence the Asian summer monsoon(ASM) onset over the Bay of Bengal(BOB) by enhancing the BOB warm pool at the surface and by modulating the South Asian High(SAH) in the upper troposphere. On intra-seasonal timescales, the TP thermal forcing signiicantly modulates spring rainfall in southern China and generates the biweekly oscillation of the SAH in summer. Despite climate warming, the atmospheric heat source over the TP, particularly the spring SH,exhibits a clear weakening trend from the 1980 s to 2000 s. his weakening of the spring SH contributed to the anomalous ‘dry in the north' and ‘wet in the south' rainfall patern observed over East China. Also discussed are challenges to further understanding the mechanism of TP forcing on the multi-scale variability of the ASM. | Guoxiong Wu Anmin Duan Yimin Liu Jiangyu Mao Rongcai Ren Qing Bao Bian He Boqi Liu Wenting Hu | 2015 | National Science Review2015,2,1: | 51 |
| 4 | Analysis of point mutation in site 1896 of HBV precore and its detection in the tissues and serum of HCC patients显示文摘INTRODUCTION Hepatitis B is one of the common infectious diseases,which severely impairs the health of the people in our country and has close relationship | Yuan Wang Hu Liu Qing Zhou Xu Li | 2000 | World Journal of Gastroenterology2000,6,3: | 33 |
| 5 | Expanding the Range of CRISPR/Cas9 Genome Editing in Rice显示文摘 | Xixun Hu Chun Wang Yaping FU Qing Liu Xiaozhen Jiao Kejian Wang | 2016 | Molecular Plant2016,9,6: | 31 |
| 6 | Effects of large dose of dexamethasone on inflammatory mediators and pancreatic cell apoptosis of rats with severe acute pancreatitis显示文摘AIM: To investigate the influence of high dose of dexamethasone on inflammatory mediators and apoptosis of rats with severe acute pancreatitis (SAP). METHODS: SAP rats were randomly assigned to the model group and treatment group while the normal rats were assigned to the sham operation group. The mortality,ascite volumes,ascites/body weight ratio and pancreas pathological changes of all rats were observed at 3,6 and 12 h after operation. Their contents of amylase and endotoxin in plasma and contents of tumor necrosis factor (TNF-α),phospholipase A2 (PLA2) and IL-6 in serum were also determined. The microarray sections of their pancreatic tissues were prepared,terminal transferase dUTP nick end labeling (TUNEL) staining was performed and apoptotic indexes were calculated. RESULTS: There was no marked difference between treatment group and model group in survival. The contents of amylase and endotoxin in plasma and contents of TNF-α,PLA2 and IL-6 in serum,ascite volumes,ascites/body weight ratio and pancreas pathological scores were all lower in treatment group than in model group to different extents at different time points P < 0.05,58.3 (26.4) ng/L vs 77.535 (42.157) ng/L in TNF-α content,8.00 (2.00) points vs 9.00 (2.00) points in pathological score of pancreas respectively; P < 0.01,0.042 (0.018) EU/mL vs 0.056 (0.0195) EU/mL in endotoxin content,7791 (1863) U/L vs 9195 (1298) U/L in plasma amylase content,1.53 (0.79) vs 2.38 (1.10) in ascites/body weight ratio,8.00 (1.00) points vs 11.00 (1.50) points in pathological score of pancreas; P < 0.001,3.36 (1.56) ng/L vs 5.65 (1.08) ng/L in IL-6 content,4.50 (2.00) vs 7.20 (2.00),4.20 (1.60) vs 6.40 (2.30),3.40 (2.70) vs 7.90 (1.70) in ascite volumes,respectively. The apoptotic indexes of pancreas head and pancreas tail were all higher in treatment group than in model group at 6 h P < 0.01,0.00 (2.00)% vs 0.00 (0.00)%,0.20 (1.80) vs 0.00 (0.00) in apoptosis indexes,respectively. CONCLUSION: The mechanism of dexamethasone treatment in acute pancreatitis is related to its inhibition of inflammatory mediator generation and induction of pancreatic acinar cell apoptosis. | Xi-Ping Zhang Li Chen Qi-Fang Hu Hua Tian Ru-Jun Xu Zhi-Wei Wang Ke-Yi Wang Qi-Hui Cheng Wei Yan Yun Li Qing-Yu Li Qing He Fei Wang | 2007 | World Journal of Gastroenterology2007,13,41: | 29 |
| 7 | Two CYP82D Enzymes Function as Flavone Hydroxylases in the Biosynthesis of Root-Specific 4'-Deoxyflavones in Scutellaria baicalensis显示文摘Baicalein, wogonin,和他们的 glycosides 是在药用的植物黄芩 baicalensis Georgi 发现的主要 bioactive 混合物。这些黄酮能在许多癌症房间线导致 apoptosis,但是没在正常房间上有效果。而且,他们为人的健康有许多另外的好处,例如抗氧化剂,抗病毒、肝保护的性质。这里,我们报导二 CYP450 酶, SbCYP82D1.1 和 SbCYP82D2 的隔离和描述,分别地,它在 S. 作为黄酮 6-hydroxylase (F6H ) 和黄酮 8-hydroxylase (F8H ) 工作 ? baicalensis。SbCYP82D1.1 为象 chrysin 和 apigenin 那样的黄酮有宽广底层特性并且在根和 S. 的天线部分为 baicalein 和 scutellarein 的生合成负责 ? baicalensis 分别地。当 SbCYP82D1.1 的表示被击倒时,当时, baicalin 和 baicalein 层次显著地被减少 chrysin glycosides 在毛乎乎的根积累。SbCYP82D2 是有高底层特性的 F8H,接受仅仅象它生产 norwogonin 的底层的 chrysin,尽管次要的 6-hydroxylation 活动能也被检测。种系发生的分析建议 SbCYP82D2 可能经由 neofunctionalization 跟随的基因复制从 SbCYP82D1.1 演变,祖先的 F6H 活动由此部分在导出的 SbCYP82D2 被保留。 | Qing Zhao Meng-Ying Cui Olesya Levsh Dongfeng Yang Jie Liu Jie Li Lionel Hill Lei Yang Yonghong Hu Jing-Ke Weng Xiao-Ya Chen Cathie Martin | 2018 | Molecular Plant2018,11,1: | 30 |
| 8 | Evolution of strontium isotopic composition of sea-water from Late Permian to Early Triassic based on study of marine carbonates,Zhongliang Mountain,Chongqing,China显示文摘Collected from a Late Permian to Early Triassic sedimentary section in the Zhongliang Mountain of Chongqing, Southwest China, sixty marine carbonate samples were measured for the 87Sr/86Sr ratios, and corresponding evolution curve was constructed. The concentrations of SiO2, CaO, MgO, Mn and Sr are used to evaluate reservation of strontium isotopic composition for original seawater and the credi-bility of the dissolution method for sample preparation. The results show that most of the samples (except seven samples with the Mn/Sr ratios higher than 2) contain the original geochemistry signa-tures of ancient seawater. Compared to the published 87Sr/86Sr ratios from the Late Permian to Early Triassic, our database reported here is the largest and the curve constructed is the most complete. The strontium isotopic curve from Late Permian to Early Triassic is consistent globally and exhibits a gen-eral trend of steady increase during this period. The minimum of 87Sr/86Sr ratios (0.707011) occurs in the Late Permian (30 m in thickness below the Permian-Triassic boundary), and the maximum (0.708281), near the Early-Middle Triassic boundary. The lack of land plants and the rapid continental weathering result in the increase of 87Sr/86Sr ratios during the interval. The Permian-Triassic boundary in Zhongli-ang Mountain Section has been accepted internationally. The 87Sr/86Sr ratios of six samples near the boundary vary from 0.70714 to 0.70715 with an average of 0.70714, which is consistent with the value of 0.70715 (samples are from articulate brachiopod shells) from Korte et al. published in 2006 (within the error range in experiment). Accordingly, the strontium isotope composition in the Permian-Triassic boundary in this paper is of global significance. It can be confirmed that the 87Sr/86Sr ratios of the sea-water in the Permian-Triassic transition are in the range of 0.70714―0.70715. | HUANG SiJing Qing HaiRuo HUANG PeiPei HU ZuoWei WANG QingDong ZOU MingLiang LIU HaoNian | 2008 | Science China Earth Sciences2008,51,4: | 24 |
| 9 | The Hardy Rubber Tree Genome Provides Insights into the Evolution of Polyisoprene Biosynthesis显示文摘Eucommia ulmoides,也叫的强壮的橡胶树,是一棵经济地重要的树;然而,它的染色体顺序的缺乏 ?限制基本生物研究和这植物种的应用研究。这里,我们在场它的 1.2-Gb 染色体的一个高质量的集会(支架 N50 ?=? 1.88 Mb ) 与至少 26 ? 为 E 的 723 预言的基因。ulmoides,顺序 Garryales 的首先定序的染色体,它用联合定序的 Illumina 的综合策略被获得,定序的 PacBio,和印射的 BioNano。作为到 lamiids 和 campanulids 的姐妹 taxon, E。ulmoides 经历了三倍由核心 eudicots 而是没有进一步整个染色体的复制分享了的一个古老的染色体 ? 在最后 1.25 亿年里。E。ulmoides 为涉及压力回答和第二等的代谢物的生合成的多重基因展出高表达式层次或基因数字扩大,它可以说明它的可观的环境适应性。与橡胶树(Hevea brasiliensis ) 相对照,它生产 cis 聚异式戊二我烯, E。ulmoides 演变综合经由 farnesyl diphosphate synthases (FPS ) 的长链的 trans 聚异式戊二我烯。而且, FPS 和橡胶延伸 factor/small 橡胶粒子蛋白质基因家庭从 H 独立地被扩展。brasiliensis 系。这些结果提供新卓见进 E. 的生物学 ? ulmoides 和聚异式戊二我烯生合成的起源。 | Ta-na Wuyun Lin Wang Huimin Liu Xuewen Wang Liangsheng Zhang Jeffrey L. Bennetzen Tiezhu Li Lirong Yang Panfeng Liu Lanying Du Lu Wang Mengzhen Huang Jun Qing Iili Zhu Wenquan Bao Hongguo Li Qingxin Du Jingle Zhu Hong Yang Shuguang Yang Hui Liu Hui Yue Jiang Hu Suoliang Yu Yu Tian Fan Liang Jingjing Hu Depeng Wang Ruiwen Gao Dejun Li Hongyan Du | 2018 | Molecular Plant2018,11,3: | 24 |
| 10 | HIF-1α-induced expression of m6A reader YTHDF1 drives hypoxia-induced autophagy and malignancy of hepatocellular carcinoma by promoting ATG2A and ATG14 translation显示文摘N6-methyladenosine(m6A),and its reader protein YTHDF1,play a pivotal role in human tumorigenesis by affecting nearly everystage of RNA metabolism.Autophagy activation is one of the ways by which cancer cells survive hypoxia.However,the possibleinvolvement of m6A modification of mRNA in hypoxia-induced autophagy was unexplored in human hepatocellular carcinoma(HCO).In this study,specific variations in YTHDF1 expression were detected in YTHDF1-overexpressing,knockout,and-knockdownHCC cells,HCC organoids,and HCC patient-derived xenograft(PDX)murine models.YTHDF1 expression and hypoxia inducedautophagy were significantly correlated in vitro;signifhcant overexpression of YTHDF1 in HCC tissues was associated with poorprognosis,Multivariate cox regression analysis identihed YTHDF1 expression as an independent prognostic factor in patients withHCC.Multiple HC models conhrmed that YTHDF1 deficiency inhibited HCC autophagy,growth,and metastasis.Luciferase reporterassays and chromatin immunoprecipitation demonstrated that HlIF-1a regulated YTHDF1 transcription by directly binding to itspromoter region under hypoxia.The results of methylated RNA immunoprecipitation sequencing,proteomics,and polysomeprofling indicated that YTHDF1 contibuted to the translation of autophagy-related genes ATG2A and ATG14 by binding to m6A-modifhed ATG2A and ATG14 mRNA,thus facilitating autophagy and autophagy-related malignancy of HCC.Taken together,HlE-1d-induced YTHDF1 expression was associated with hypoxia-induced autophagy and autophagy-related HCC progression via promoting translation of autophagy-related genes ATG2A and ATG14 in a m6A-dependent manner.Our fndings suggest thatYTHDF1 is a potential prognostic biomarker and therapeutic target for patients with HCC. | Qing Li Yong Ni Liren Zhang Runqiu Jiang Jing Xu Hong Yang Yuanchang Hu Jiannan Qiu Liyong Pu Jinhai Tang Xuehao Wang | 2021 | Signal Transduction and Targeted Therapy2021,6,3: | 24 |
| 11 | Expression of peroxisome proliferator-activated receptor γ,E-cadherin and matrix metalloproteinases-2 in gastric carcinoma and lymph node metastases显示文摘背景 Peroxisome proliferator 激活受体(PPAR ) 是一个激活 ligand 的抄写因素。PPAR 的激活最近被表明了禁止生长,前进和 metastasis.E-cadherin-mediated 细胞粘附系统现在被考虑在癌症 tissues.Matrix metalloproteinases-2 (MMP-2 ) 是“一个侵略 suppressor 系统”的各种各样的肿瘤细胞是为转移的一个前提肿瘤细胞。然而,他们的关联在胃的癌仍然是未知的。这研究的目的是在胃的癌和 metastases.Methods 估计 PPAR, E-cadherin, MMP-2 和他们的关联的表示胃的有转移的癌纸巾和邻近的非肿瘤纸巾与胃的癌症从 54 个病人被获得经历了 gastrectomy。PPAR, E-cadherin 和 MMP-2 的表示被在肿瘤的房间的 PPAR 的原子表示水平是的 immunohistochemical staining.Results 估计显著地比的降低在正常控制(P0.001 ) ,在转移与那相比在主要肿瘤与 PPARy 的表示是更弱的。在所有肿瘤的房间, E-cadherin 与反常模式被表示(细胞质模式,细胞质和膜模式或不在) ,与 E-cadherin 与一个正常模式(膜模式) 被表示的正常房间相比。与正常纸巾相比, E-cadherin 的表示水平在主要肿瘤减少了并且进一步在转移(P0.001 ) 减少了。膜染色 MMP-2 在正常胃的 mucosa 的小凹的 epithelia 被检测,而占优势的细胞质染色 MMP-2 在恶意的纸巾被发现。MMP-2 的表示比在主要肿瘤在变形纸巾是更强壮的。在肿瘤的 foci, PPAR 的表示否定地与 MMP-2 表示(P0.05 ) 被相关。然而,在 E-cadherin 和 E-cadherin 之间没有关联,在肿瘤的 foci 的 MMP-2 的起来规定可能对胃的 carcinogenesis 和转移有用。在在人的胃的癌的 PPAR 和 MMP-2 之间的一种反的关系建议 PPAR 可能调制 MMP-2 表示并且影响胃的癌症转移。 | HE Qing CHEN Jie LIN Han-liang HU Pin-jin CHEN Min-hu | 2007 | Chinese Medical Journal2007,,17: | 22 |
| 12 | Neuroprotective effects of salidroside on focal cerebral ischemia/reperfusion injury involve the nuclear erythroid 2-related factor 2 pathway显示文摘Salidroside,the main active ingredient extracted from Rhodiola crenulata,has been shown to be neuroprotective in ischemic cerebral injury,but the underlying mechanism for this neuroprotection is poorly understood.In the current study,the neuroprotective effect of salidroside on cerebral ischemia-induced oxidative stress and the role of the nuclear factor erythroid 2-related factor 2(Nrf2)pathway was investigated in a rat model of middle cerebral artery occlusion.Salidroside(30 mg/kg)reduced infarct size,improved neurological function and histological changes,increased activity of superoxide dismutase and glutathione-S-transferase,and reduced malon-dialdehyde levels after cerebral ischemia and reperfusion.Furthermore,salidroside apparently increased Nrf2 and heme oxygenase-1 expression.These results suggest that salidroside exerts its neuroprotective effect against cerebral ischemia through anti-oxidant mechanisms and that activation of the Nrf2 pathway is involved.The Nrf2/antioxidant response element pathway may become a new therapeutic target for the treatment of ischemic stroke. | Jing Han Qing Xiao Yan-hua Lin Zhen-zhu Zheng Zhao-dong He Juan Hu Li-dian Chen | 2015 | Neural Regeneration Research2015,10,12: | 23 |
| 13 | The Reference Genome Sequence of Scutellaria baicalensis Provides Insights into the Evolution of Wogonin Biosynthesis显示文摘Scutellaria baicalensis Georgi is important in Chinese traditional medicine where preparations of dried roots,'Huang Qin,' are used for liver and lung complaints and as complementary cancer treatments. We report a high-quality reference genome sequence for S. baicalensis where 93% of the 408.14-Mb genome has been assembled into nine pseudochromosomes with a super-N50 of 33.2 Mb. Comparison of this sequence with those of closely related species in the order Lamiales, sesamum indicum and Salvia splendens,revealed that a specialized metabolic pathway for the synthesis of 4'-deoxyflavone bioactives evolved in the genus Scu-tellaria. We found that the gene encoding a specific cinnamate coenzyme A ligase likely obtained its newfunc- tion following recent mutations, and that four genes encoding enzymes in the 4'-deoxyflavone pathway are present as tandem repeats in the genome of S. baicalensis. Further analyses revealed that gene duplications, segmental duplication, gene amplification, and point mutations coupled to gene neo- and subfunctionaliza-tions were involved in the evolution of 4'-deoxyflavone synthesis in the genus Scutellaria. Our study not only provides significant insight into the evolution of specific flavone biosynthetic pathways in the mint family, Lamiaceae, but also will facilitate the development of tools for enhancing bioactive productivity by metabolic engineering in microbes or by molecular breeding in plants. The reference genome of S. baicalensis is also useful for improving the genome assemblies for other members of the mint family and offers an important foundation for decoding the synthetic pathways of bioactive compounds in medicinal plants. | Qing Zhao Jun Yang Meng-Ying Cui Jie Liu Yumin Fang Mengxiao Yan Wenqing Qiu Huiwen Shang Zhicheng Xu Reheman Yidiresi Jing-Ke Weng Tomas Pluskal Marielle Vigouroux Burkhard Steuernagel Yukun Wei Lei Yang Yonghong Hu Xiao-Ya Chen Cathie Martin | 2019 | Molecular Plant2019,12,7: | 23 |
| 14 | p53 gene therapy in combination with transcatheter arterial chemoembolization for HCC:One-year follow-up显示文摘AIM:To evaluate the efficacy and safety of combination therapy with recombinant adenovirus p53 injection (rAdp53) and transcatheter hepatic arterial chemoembolization (TACE) for advanced hepatocellular carcinoma (HCC).METHODS:A total of 82 patients with advanced HCC treated only with TACE served as control group.Another 68 patients with HCC treated with TACE in combination with recombinant adenovirus-p53 injection served as p53 treatment group.Patients were followed up for 12 mo.Safety and therapeutic effects were evaluated according to the improvement in clinical symptoms,leukocyte count,Karnofsky and RECIST criteria.Survival rate was calculated with Kaplan-Meier method.RESULTS:The total effective rate was 58.3% for p53 treatment group,and 26.5% for control group (P < 0.05).The incidence of gastrointestinal symptoms was lower in p53 treatment group than in control group (P < 0.05).The 3-,6-and 12-mo survival rates were significantly higher for p53 treatment group than for control group (P < 0.01).The combination treatment was well tolerated with such adverse events as fever (51.5%,P=0.006) and pain of muscles and joints (13.2%,P=0.003),which were significantly higher than the chemotherapy.Except for these minor adverse effects,no severe vector-related complications were identified.With respect to the efficacy,patients in p53 treatment group had less gastrointerestinal symptoms (P=0.062),better improvement in tumor-related pain (P=0.003),less downgrade of leukocyte counts (P=0.003) and more upgrade of Karnofsky performance score (P=0.029) than those in control group.The total effective rate (CR + PR) for p53 treatment group and control group was 58.3% and 26.5%,respectively,with distributions of different effect in two groups (P=0.042).The survival rates were 89.71%,76.13%,and 43.30% for p53 treatment group,and 68.15%,36.98%,and 24.02% for control group,respectively,3,6 and 12 mo after treatment,suggesting that the survival rates are significantly higher for p53 treatment group than for control group (P=0.0002).CONCLUSION:The rAd-p53 gene therapy in combination with TACE is a safe and effective treatment modality for advanced HCC. | Yong-Song Guan Yuan Liu Qing He Xiao Li Lin Yang Ying Hu Zi La | 2011 | World Journal of Gastroenterology2011,17,16: | 21 |
| 15 | Surface Active Sites on Co_(3)O_(4) Nanobelt and Nanocube Model Catalysts for CO Oxidation显示文摘CO oxidation has been performed on Co_(3)O_(4) nanobelts and nanocubes as model catalysts.The Co_(3)O_(4) nanobelts which have a predominance of exposed{011}planes are more active than Co_(3)O_(4) nanocubes with exposed{001}planes.Temperature programmed reduction of CO shows that Co_(3)O_(4) nanobelts have stronger reducing properties than Co_(3)O_(4) nanocubes.The essence of shape and crystal plane effect is revealed by the fact that turnover frequency of Co3+sites of{011}planes on Co_(3)O_(4) nanobelts is far higher than that of{001}planes on Co_(3)O_(4) nanocubes. | Linhua Hu Keqiang Sun Qing Peng Boqing Xu Yadong Li | 2010 | Nano Research2010,3,5: | 21 |
| 16 | Adenovirus-mediated wild-type p53 gene transfer in combination with bronchial arterial infusion for treatment of advanced non-small-cell lung cancer,one year follow-up显示文摘Objective:In the present study,we have examined the safety and efficacy of recombinant adenovirus encoding human p53 tumor suppressor gene(rAd-p53) injection in patients with advanced non-small-cell lung cancer(NSCLC) in the combination with the therapy of bronchial arterial infusion(BAI).Methods:A total of 58 patients with advanced NSCLC were enrolled in a non-randomized,two-armed clinical trial.Of which,19 received a combination treatment of BAI and rAd-p53(the combo group),while the remaining 39 were treated with only BAI(the control group).Patients were followed up for 12 months,with safety and local response evaluated by the National Cancer Institute's Common Toxicity Criteria and response evaluation criteria in solid tumor(RECIST),respectively.Time to progression(TTP) and survival rates were also analyzed by Kaplan-Meier method.Results:In the combo group,19 patients received a total of 49 injections of rAd-p53 and 46 times of BAI,respectively,while 39 patients in the control group received a total of 113 times of BAI.The combination treatment was found to have less adverse events such as anorexia,nausea and emesis,pain,and leucopenia(P<0.05) but more arthralgia,fever,influenza-like symptom,and myalgia(P<0.05),compared with the control group.The overall response rates(complete response(CR)+partial response(PR)) were 47.3% and 38.4% for the combo group and the control group,respectively(P>0.05).Patients in the combo group had a longer TTP than those in the control group(a median 7.75 vs 5.5 months,P=0.018).However,the combination treatment did not lead to better survival,with survival rates at 3,6,and 12 months in the combo group being 94.74%,89.47%,and 52.63%,respectively,compared with 92.31%,69.23%,and 38.83% in the control group(P=0.224).Conclusion:Our results show that the combination of rAd-p53 and BAI was well tolerated in patients with NSCLC and may have improved the quality of life and delayed the disease progression.A further study to better determine the efficacy of this combination therapy is warranted. | Yong-song GUAN Yuan LIU Qing ZOU Qing HE Zi LA Lin YANG Ying HU | 2009 | Journal of Zhejiang University-Science B(Biomedicine & Biotechnology)2009,10,5: | 20 |
| 17 | Aerosolized Amikacin as Adjunctive Therapy of Ventilator-associated Pneumonia Caused by Multidrug-resistant Gram-negative Bacteria: A Single-center Randomized Controlled Trial显示文摘 | Chang Liu Yu-Ting Zhang Zhi-Yong Peng Qing Zhou Bo Hu Hui Zhou Jian-Guo Li | 2017 | Chinese Medical Journal2017,,10: | 20 |
| 18 | Biphasic insulin aspart 30 improved glycemic control in Chinese patients with type 2 diabetes poorly controlled on oral glucose-lowering drugs: a subgroup analysis of the A1chieve study显示文摘 | Chen Liming Xing Xiaoyan Lei Minxiang Liu Jie Shi Yongquan Li Pengqiu Qin Guijun Li Chengjiang Li Yukun Wang Qing Gao Tianshu Hu Ling Wang Yangwei Yang Wenying | 2014 | Chinese Medical Journal2014,,2: | 19 |
| 19 | 宣威肺癌分子流行病学研究:煤种、基因型与肺癌风险显示文摘背景与目的已有的研究证明:宣威是我国农村肺癌死亡率最高的地区,肺癌危险与室内燃烧烟煤产生的多环芳烃(polycyclic aromatic hydrocarbons,PAHs)有关,肺癌发病具有明显的地域性差别和家族聚集性。本研究从分子流行病学角度探索宣威肺癌风险的危险因素及与发病机理有关的基因型和燃煤类型。方法运用两个基于人群的病例对照研究,开展问卷调查,同时采集口腔细胞和痰等生物样品,提取DNA。应用PCR法检测GST超家族、AKR超家族和OGG1等基因型。通过Logistic回归分析煤种、基因型与肺癌风险的关联。结果与燃用无烟煤或木柴的研究对象相比,家用来宾烟煤的肺癌风险比数比(odds ratio,OR)值高达24.8,其次为龙潭(OR=11.6)、宝山(OR=6.0)、龙场(OR=4.1)、羊场(OR=3.8)等;燃用同种烟煤的男女肺癌风险相似。对于GSTM1缺失、AKR1C3(Ex1-70C>G)、OGG1(Ex6-315C>G)基因型,肺癌风险明显增高,且具统计学意义[OR(95%CI)分别为2.3(1.3-4.2)、1.8(1.0-3.5)和1.9(1.1-3.3)]。与家用烟煤量小且具GSTM1阳性的研究对象相比,用量大且GSTM1缺失的研究对象肺癌风险更高,女性OR为4.9(1.3-18.2),男性OR为2.7(1.0-7.4)。但对于AKR1C3(Ex1-70C>G)和OGG1(Ex6-315C>G),仅观察到女性肺癌风险的明显增高,OR分别为12.9(2.2-107.8)和5.7(1.1-34.2)。结论宣威不同煤种的肺癌风险有很大差异,但暴露于相同煤种的男性与女性肺癌风险相似。GSTM1缺失基因型与肺癌风险增高有关联。AKR1C3与OGG1这2种基因型与肺癌风险有关联,且在烟煤使用量高的女性中肺癌风险更高。 | 李继华 何俊 唐锐 Wei HU Qing LAN 何兴舟 李云 张云生 | 2015 | 中国肺癌杂志2015,18,1: | 19 |
| 20 | Network platform for remote structural testing and shared use of laboratories显示文摘This paper presents a network platform developed for remote testing of scaled model or prototype structures and structural elements. The network platform, NetSLab, was developed based on the client/server concept along with a proposed data model and the communication protocols. The platform is capable of transferring the control and feedback data as well as signals among remotely located structural testing laboratories or computers connected by Internet. Several concepts were introduced to develop the platform and to provide relatively easy and friendly interface for applications and further enhancement. Trial and actual tests were successfully carried out at the Hunan University, China and the University of Southern California, USA. Models simulating bridge piers and piles or building substructures were subjected to recorded earthquake ground motions, and the tests were controlled remotely over the Internet using the platform. | XIAO Yan HU Qing GUO Yurong ZHU Pingsheng YI Weijian | 2005 | Progress in Natural Science:Materials International2005,15,12: | 18 |