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121篇 您的检索式:作者名="YAN HongMei"
    题名 作者 年代 出处 被引量
1Surveillance of Mycoplasma pneumoniae infection among children in Beijing from 2007 to 2012显示文摘Zhao Hanqing Li Shaoli Cao Ling Yuan Yi Xue Guanhua Feng Yanling Yan Chao Wang Liqiong Fan Zhaoyang Sun Hongmei 2014Chinese Medical Journal2014,,7:61
2H7N9 virulent mutants detected in chickens in China pose an increased threat to humans显示文摘Jianzhong Shi Guohua Deng Huihui Kong Chunyang Gu Shujie Ma Xin Yin Xianying Zeng Pengfei Cui Yan Chen Huanliang Yang Xiaopeng Wan Xiurong Wang Liling Liu Pucheng Chen Yongping Jiang Jinxiong Liu Yuntao Guan Yasuo Suzuki Mei Li Zhiyuan Qu Lizheng Guan Jinkai Zang Wenli Gu Shuyu Han Yangming Song Yuzhen Hu Zeng Wang Linlin Gu Wenyu Yang Libin Liang Hongmei Bao Guobin Tian Yanbing Li Chuanling Qiao Li Jiang Chengjun Li Zhigao Bu Hualan Chen 2017Cell Research2017,27,12:70
3Exotic origin of the Chinese continental shelf: new insights into the tectonic evolution of the western Pacific and eastern China since the Mesozoic显示文摘The effect of paleo-Pacific subduction on the geological evolution of the western Pacific and continental China is likely complex. Nevertheless, our analysis of the distribution of Mesozoic granitoids in the eastern continental China in space and time has led us to an interesting conclusion: The basement of the continental shelf beneath East and South China Seas may actually be of exotic origin geologically unrelated to the continental lithosphere of eastern China. By accepting the notion that the Jurassic–Cretaceous granitoids in the region are genetically associated with western Pacific subduction and the concept that subduction may cease to continue only if the trench is being jammed, then the termination of the granitoidmagmatism throughout the vast region at *88 ± 2 Ma manifests the likelihood of ‘‘sudden'', or shortly beforehand(*100 Ma), trench jam of the Mesozoic western Pacific subduction. Trench jam happens if the incoming‘‘plate'' or portion of the plate contains a sizeable mass that is too buoyant to subduct. The best candidate for such a buoyant and unsubductable mass is either an oceanic plateau or a micro-continent. We hypothesize that the basement of the Chinese continental shelf represents such an exotic, buoyant and unsubductable mass, rather than seaward extension of the continental lithosphere of eastern China. The locus of the jammed trench(i.e., the suture) is predictably located on the shelf in the vicinity of, and parallel to, the arc-curved coastal line of the southeast continental China. It is not straightforward to locate the locus in the northern section of the East China Sea shelf because of the more recent(\20 Ma) tectonic re-organization associated with the opening of the Sea of Japan. We predict that the trench jam at *100 Ma led to the re-orientation of the Pacific plate motion in the course of NNW direction as inferred from the age-progressive Emperor Seamount Chain of Hawaiian hotspot origin(its oldest unsubdued Meiji and Detroit seamounts are *82 Ma),making the boundary between the Pacific plate and the newly accreted plate of eastern Asia a transform fault at the location east of the continental shelf of exotic origin. This explains the apparent *40 Myr magmatic gap from *88to *50 Ma prior to present-day western Pacific subduction initiation. We propose that basement penetration drilling on well-chosen sites is needed to test the hypothesis in order to reveal the true nature of the Chinese continental shelf basement. This testing becomes critical and cannot longer be neglected in order to genuinely understand the tectonic evolution of the western Pacific and its effect on the geology of eastern China since the Mesozoic, includingthe cratonic lithosphere thinning, related magmatism/mineralization, and the mechanism of the subsequent South China Sea opening, while also offering novel perspectives on aspects of the plate tectonics theory. We also suggest the importance of future plate tectonic reconstruction of the western Pacific to consider the nature and histories of the Chinese continental shelf of exotic origin as well as the probable transform plate boundary from *100 to*50 Ma. Effort is needed to reveal the true nature and origin of the *88 ± 2 Ma granitic gneisses in Taiwan and the 110–88 Ma granitoids on the Hainan Island.Yaoling Niu Yi Liu Qiqi Xue Fengli Shao Shuo Chen Meng Duan Pengyuan Guo Hongmei Gong Yan Hu Zhenxing Hu Juanjuan Kong Jiyong Li Jinju Liu Pu Sun Wenli Sun Lei Ye Yuanyuan Xiao Yu Zhang 2015Science Bulletin2015,60,18:32
4Effect of acupotomy on nitric oxide synthase and beta-endorphin in third lumbar vertebrae transverse process syndrome model rats显示文摘OBJECTIVE: To explore the long-term effects and pain relief mechanism of acupotomy by observing changes in nitric oxide synthase(NOS) and beta-endorphin(β-EP) in the hypothalamus, spinal cord,and peripheral blood of rats with third lumbar vertebrae(L3) transverse process syndrome.METHODS:Twenty-eight SD rats were randomly assigned to normal, model, electroacupuncture(EA),and acupotomy group. The last three groups were put through an operation to emulate L3transverse process syndrome. Fourteen days after the simulation operation, EA and acupotomy treatments were applied to the respective groups. Fifty-six days afterthe simulation operation, biochemistry tests and enzyme-linked immunosorbent assay were used to measure NOS and β-EP in the hypothalamus, spinal cord, and peripheral blood.RESULTS: Rats with the simulation operation showed significantly higher levels of NOS and β-EP in the hypothalamus, spinal cord, and peripheral blood than those in the normal group. The EA and acupotomy groups had significantly lower levels of NOS and β-EP than those in the model group.There was no statistical difference between the EA and acupotomy groups.CONCLUSION: EA and acupotomy treatments significantly lowered NOS and β-EP levels in the hypothalamus, spinal cord, and peripheral blood and alleviated L3transverse process syndrome.Changqing Guo Naigang Liu Xiaohong Li Hongmei Sun Bo Hu Jing Lu Yan Guo Chuxi Liang Hong Xu Haixia Wu 2014Journal of Traditional Chinese Medicine2014,34,2:15
5Reproductive management through integration of PGD and MPS-based noninvasive prenatal screening/diagnosis for a family with GJB2-associated hearing impairment显示文摘A couple with a proband child of GJB2(encoding the gap junction protein connexin 26)-associated hearing impairment and a previous pregnancy miscarriage sought for a reproductive solution to bear a healthy child. Our study aimed to develop a customized preconception-to-neonate care trajectory to fulfill this clinical demand by integrating preimplantation genetic diagnosis(PGD), noninvasive prenatal testing(NIPT), and noninvasive prenatal diagnosis(NIPD) into the strategy. Auditory and genetic diagnosis of the proband child was carried out to identify the disease causative mutations. The couple then received in-vitro-fertilization treatment, and eight embryos were obtained for day 5 biopsy. PGD was performed by short-tandem-repeat linkage analysis and Sanger sequencing of GJB2 gene. Transfer of a GJB2 c.235del C heterozygous embryo resulted in a singleton pregnancy. At the 13 th week of gestation, genomic DNA(g DNA) from the trio family and cell-free DNA(cf DNA) from maternal plasma were obtained for assessment of fetal chromosomal aneuploidy and GJB2 mutations. NIPT and NIPD showed the absence of chromosomal aneuploidy and GJB2-associated disease in the fetus, which was later confirmed by invasive procedures and postnatal genetic/auditory diagnosis. This strategy successfully prevented the transmission of hearing impairment in the newborn, thus providing a valuable experience in reproductive management of similar cases and potentially other monogenic disorders.XIONG WenPing WANG DaYong GAO Yuan GAO Ya WANG HongYang GUAN Jing LAN Lan YAN JunHao ZONG Liang YUAN Yuan DONG Wei HUANG SeXin WU KeLiang WANG YaoShen WANG ZhiLi PENG HongMei LU YanPing XIE LinYi ZHAO Cui WANG Li ZHANG QiuJing GAO Yun LI Na YANG Ju YIN ZiFang HAN Bing WANG Wei CHEN Zi-Jiang WANG QiuJu 2015Science China(Life Sciences)2015,58,9:12
6Insight-HXMT observations of the first binary neutron star merger GW170817显示文摘Finding the electromagnetic(EM) counterpart of binary compact star merger, especially the binary neutron star(BNS) merger,is critically important for gravitational wave(GW) astronomy, cosmology and fundamental physics. On Aug. 17, 2017,Advanced LIGO and Fermi/GBM independently triggered the first BNS merger, GW170817, and its high energy EM counterpart,GRB 170817 A, respectively, resulting in a global observation campaign covering gamma-ray, X-ray, UV, optical, IR, radio as well as neutrinos. The High Energy X-ray telescope(HE) onboard Insight-HXMT(Hard X-ray Modulation Telescope) is the unique high-energy gamma-ray telescope that monitored the entire GW localization area and especially the optical counterpart(SSS17 a/AT2017 gfo) with very large collection area(~1000 cm^2) and microsecond time resolution in 0.2-5 MeV. In addition,Insight-HXMT quickly implemented a Target of Opportunity(ToO) observation to scan the GW localization area for potential X-ray emission from the GW source. Although Insight-HXMT did not detect any significant high energy(0.2-5 MeV) radiation from GW170817, its observation helped to confirm the unexpected weak and soft nature of GRB 170817 A. Meanwhile,Insight-HXMT/HE provides one of the most stringent constraints(~10^(-7) to 10^(-6) erg/cm^2/s) for both GRB170817 A and any other possible precursor or extended emissions in 0.2-5 MeV, which help us to better understand the properties of EM radiation from this BNS merger. Therefore the observation of Insight-HXMT constitutes an important chapter in the full context of multi-wavelength and multi-messenger observation of this historical GW event.TiPei Li ShaoLin Xiong ShuangNan Zhang FangJun Lu LiMing Song XueLei Cao Zhi Chang Gang Chen Li Chen TianXiang Chen Yong Chen YiBao Chen YuPeng Chen Wei Cui WeiWei Cui JingKang Deng YongWei Dong YuanYuan Du MinXue Fu GuanHua Gao He Gao Min Gao MingYu Ge YuDong Gu Ju Guan ChengCheng Guo DaWei Han Wei Hu Yue Huang Jia Huo ShuMei Jia LuHua Jiang WeiChun Jiang Jing Jin YongJie Jin Bing Li ChengKui Li Gang Li MaoShun Li Wei Li Xian Li XiaoBo Li XuFang Li YanGuo Li ZiJian Li ZhengWei Li XiaoHua Liang JinYuan Liao CongZhan Liu GuoQing Liu HongWei Liu ShaoZhen Liu XiaoJing Liu Yuan Liu YiNong Liu Bo Lu XueFeng Lu Tao Luo Xiang Ma Bin Meng Yi Nang JianYin Nie Ge OU JinLu Qu Na Sai Liang Sun Yin Tan Lian Tao WenHui Tao YouLi Tuo GuoFeng Wang HuanYu Wang Juan Wang WenShuai Wang YuSa Wang XiangYang Wen BoBing WU Mei Wu GuangCheng Xiao He Xu YuPeng Xu LinLi Yan JiaWei Yang Sheng Yang YanJi Yang AiMei Zhang ChunLei Zhang ChengMo Zhang Fan Zhang HongMei Zhang Juan Zhang Qiang Zhang Shu Zhang Tong Zhang Wei Zhang WanChang Zhang WenZhao Zhang Yi Zhang Yue Zhang YiFei Zhang YongJie Zhang Zhao Zhang ZiLiang Zhang HaiSheng Zhao JianLing Zhao XiaoFan Zhao ShiJie Zheng Yue Zhu YuXuan Zhu ChangLin Zou 2018Science China(Physics,Mechanics & Astronomy)2018,61,3:12
7Outcomes in refractory diffuse large B-cell lymphoma:results fromamulticenter real-world study in China显示文摘Background:Diffuse large B-cell lymphoma(DLBCL)patients refractory to rituximab-based immunochemotherapy have a dismal prognosis.However,the definition of refractory DLBCL remains inconsistent and no large cohort study data is available from Asian countries.To validate the definition and outcomes of refractory DLBCL in China,we conducted a multicenter,retrospective cohort study.Methods:The REtrospective AnaLysis of Treatment REspoNse of refractory DLBCL(REAL-TREND)study was performed using real-world data from 8 centers in China.DLBCL patients with curative intent were included in the REAL-TREND dataset.Overall survival(OS)was estimated using the Kaplan-Meier method and compared by the log-rank test.Due to heterogeneity in response rates among different centers,the response rates of refractory patients were pooled using random-effect models.Multivariate survival analysis was performed using the Cox regression model.Results:A total of 2778 DLBCL patients diagnosed between January,2010 and December,2015 were enrolled to this study.After validating previous definitions,the SCHOLAR-1 study was most suitable to define refractory DLBCL.The estimated 5-year cumulative incidence of refractory patients was 20%(95% confidence Interval[CI]=18%-22%).After the determination of refractory disease,overall response rate and complete remission rate were 30%(95%CI=22%-38%)and 9%(95%CI=4%-15%),respectively.Patients with either no response to immunochemotherapy or relapse within 12 months after stem-cell transplantation had inferior survival with a median OS of 5.9 months(95%CI=5.5-7.1 months)and 2-year OS rate of 16%(95%CI=12%-20%).International prognostic index score 4-5(hazard ratio[HR]=2.22;95%CI=1.47-3.35),central nervous systemrelapse(HR=1.43;95%CI=1.04-1.97),and best response status(HR=2.68;95%CI=1.42-5.03 for partial remission.HR=5.97,95%CI=3.21-11.11 for stable disease/progressive disease)were independent unfavorable prognostic factors.Conclusions:This is the first large-scale Asian cohort study focusing on outcomes of refractory DLBCL.The definition of the SCHOLAR-1 study identifies patients with homogenously inferior survival,thus is appropriate to select refractory DLBCL.Due to poor clinical outcomes in the rituximab era,patients with refractory DLBCL may be potential candidates for novel treatment modalities.Shuo Wang Li Wang Jianda Hu Wenbin Qian Xi Zhang Yu Hu Qi Zhu Bobin Chen Depei Wu Chung-Chou H.Chang Pengpeng Xu Xiaoyun Zheng Juying Wei Yao Liu Guohui Cui Yong Tang Yan Ma Haiwen Huang Hongmei Yi Weili Zhao 2021Cancer Communications2021,41,3:10
8Estimation of inbreeding and identification of regions under heavy selection based on runs of homozygosity in a Large White pig population显示文摘Background: Runs of homozygosity(ROHs) are homozygous segments of the genome where the two haplotypes inherited from the parents are identical. The current availability of genotypes for a very large number of single nucleotide polymorphisms(SNPs) is leading to more accurate characterization of ROHs in the whole genome. Here,we investigated the occurrence and distribution of ROHs in 3,692 Large White pigs and compared estimates of inbreeding coefficients calculated based on ROHs(FROH), homozygosity(FHOM), genomic relationship matrix(FGRM)and pedigree(FPED). Furthermore, we identified genomic regions with high ROH frequencies and annotated their candidate genes.Results: In total, 176,182 ROHs were identified from 3,569 animals, and all individuals displayed at least one ROH longer than 1 Mb. The ROHs identified were unevenly distributed on the autosomes. The highest and lowest coverages of Sus scrofa chromosomes(SSC) by ROH were on SSC14 and SSC13, respectively. The highest pairwise correlation among the different inbreeding coefficient estimates was 0.95 between FROH_totaland FHOM, while the lowest was-0.083 between FGRMand FPED. The correlations between FPEDand FROHusing four classes of ROH lengths ranged from 0.18 to 0.37 and increased with increasing ROH length, except for ROH > 10 Mb. Twelve ROH islands were located on four chromosomes(SSC1, 4, 6 and 14). These ROH islands harboured genes associated with reproduction, muscular development, fat deposition and adaptation, such as SIRT1, MYPN, SETDB1 and PSMD4.Conclusion: FROHcan be used to accurately assess individual inbreeding levels compared to other inbreeding coefficient estimators. In the absence of pedigree records, FROHcan provide an alternative to inbreeding estimates.Our findings can be used not only to effectively increase the response to selection by appropriately managing the rate of inbreeding and minimizing the negative effects of inbreeding depression but also to help detect genomic regions with an effect on traits under selection.Liangyu Shi Ligang Wang Jiaxin Liu Tianyu Deng Hua Yan Longchao Zhang Xin Liu Hongmei Gao Xinhua Hou Lixian Wang Fuping Zhao 2020Journal of Animal Science and Biotechnology2020,11,4:10
9MoSi_2 oxidation resistance coatings for Mo_5Si_3/MoSi_2 composites显示文摘In order to improve the oxidation resistance properties of 30 at.% Mo5Si3/MoSi2 composite at high temperature in air, a molybdenum disilicide coating was prepared on its surface by a molten salt technology. XRD and SEM analysis showed that only tetragonal MoSi2 phase existed in the coating after being siliconized for 5 h at 900°C. The oxidation film formed on the uncoated sample was not dense, so that oxygen diffused easily through it. The volatilization of MoO3 resulted in the oxidation film separating from the substrate. The MoSi2 coating was proved to be an effective method to prevent 30 at.% Mo5Si3/MoSi2 composites from being oxidized at 1200°C. A dense glassy SiO2 film was formed on the MoSi2 coating surface, which acted as a barrier layer for the diffusion of oxygen atoms to the substrate. The 30at.% Mo5Si3/MoSi2 composites with a MoSi2 coating showed much better oxidation resistance at high temperature.YAN Jianhui XU Hongmei ZHANG Houan TANG Siwen 2009Rare Metals2009,28,4:8
10Water-use efficiency in response to simulated increasing precipitation in a temperate desert ecosystem of Xinjiang, China显示文摘Water-use efficiency(WUE) is a key plant functional trait that plays a central role in the global cycles of water and carbon. Although increasing precipitation may cause vegetation changes, few studies have explored the linkage between alteration in vegetation and WUE. Here, we analyzed the responses of leaf WUE, ecosystem carbon and water exchanges, ecosystem WUE, and plant community composition changes under normal conditions and also under extra 15% or 30% increases in annual precipitation in a temperate desert ecosystem of Xinjiang, China. We found that leaf WUE and ecosystem WUE showed inconsistent responses to increasing precipitation. Leaf WUE consistently decreased as precipitation increased. By contrast, the responses of the ecosystem WUE to increasing precipitation are different in different precipitation regimes: increasing by 33.9% in the wet year(i.e., the normal precipitation years)and decreasing by 4.1% in the dry year when the precipitation was about 30% less than that in the wet year.We systematically assessed the herbaceous community dynamics, community composition, and vegetation coverage to explain the responses of ecosystem WUE, and found that the between-year discrepancy in ecosystem WUE was consistent with the extent to which plant biomass was stimulated by the increase in precipitation. Although there was no change in the relative significance of ephemerals in the plant community, its greater overall plant biomass drove an increased ecosystem WUE under the conditions of increasing precipitation in 2011. However, the slight increase in plant biomass exerted no significant effect on ecosystem WUE in 2012. Our findings suggest that an alteration in the dominant species in this plant community can induce a shift in the carbon-and water-based economics of desert ecosystems.HUANG Gang LI Yan MU Xiaohan ZHAO Hongmei CAO Yanfeng 2017Journal of Arid Land2017,9,6:7
11Potential role of Lactobacillus plantarum in colitis induced by dextran sulfate sodium through altering gut microbiota and host metabolism in murine model显示文摘Inflammatory bowel disease(IBD) is a chronic lifelong disease characterized by inflammation of the gastrointestinal tract.Although more and more treatment options serve IBD, there is still no cure. It is important to find an effective treatment for IBD.This study aims to investigate whether Lactobacillus plantarum(L. plantarum) could alleviate colitis induced by dextran sulfate sodium(DSS). Following the DSS challenge, L. plantarum on DSS-mediated inflammatory colon lesions in mice, and L.plantarum therapy heightened the relative abundance of the colon-resident Actinobacteria. Analysis of serum metabolomics also indicated that the content of MG(18:4(6 Z, 9 Z, 12 Z, 15 Z)/0:0/0:0) was increased in response to L. plantarum therapy, and this was also the case for indolepyruvate and 1-hydroxyibuprofen. However, 13-oxooctadecadienoic acid(13-oxo ODE) and indolylacryloylglycine content fell following the DSS challenge. Based on these results, the study elucidates the mitigatory effects of L. plantarum in colitis, which depend on its regulation of the colonic microbial community and its modification of serum metabolites. The results revealed that L. plantarum mitigated inflammatory colon lesions, reprogrammed the microbial community and altered the level of serum metabolites in a murine model challenged with DSS. The study may present a potential therapeutic strategy for colitis.Sujuan Ding Wenxin Yan Jun Fang Hongmei Jiang Gang Liu 2021Science China(Life Sciences)2021,64,11:7
12Protective effects of human umbilical cord mesenchymal stem cell-derived conditioned medium on ovarian damage显示文摘Chemotherapeutic agents are extensively used to treat malignancies.However,chemotherapy-induced ovarian damage and reduced fertility are severe side effects.Recently,stem cell transplantation has been reported to be an effective strategy for premature ovarian insufficiency(POI)treatment,but safety can still be an issue in stem cell-based therapy.Here,we show the protective effects of human umbilical cord mesenchymal stem cell-derived conditioned medium(hUCMSC-CM)on a cisplatin(Cs)-induced ovarian injury model.hUCMSC-CM can relieve Cs-induced depletion of follicles and preserve fertility.In addition,hUCMSC-CM can decrease apoptosis of oocytes and granulosa cells induced by Cs.RNA sequencing analysis reveals the differentially expressed genes of ovaries after Cs and hUCMSC-CM treatments,including genes involved in cell apoptosis.Furthermore,we show that the granulocyte colony-stimulating factor(G-CSF)/phosphatidylinositol 3-kinase(PI3K)/protein kinase B(Akt)pathway plays an important role in protecting granulosa cells from Cs-induced apoptosis.Together,we confirm the protective effects of hUCMSC-CM on ovarian reserve and fertility in mice treated with Cs,highlighting the remarkable therapeutic effects of hUCMSC-CM.Liming Hong Long Yan Zhimin Xin Jie Hao Wenjing Liu Shuyu Wang Shujie Liao Hongmei Wang Xiaokui Yang 2020Journal of Molecular Cell Biology2020,12,5:7
13Hyperuricemia Accompanied with Changes in the Retinal Microcirculation in a Chinese High-risk Population for Diabetes显示文摘Objective To investigate the association of retinal vascular calibers with hyperuricemia in a middle‐aged and elderly population. Methods A cross‐sectional design was applied in this study and 869 participants aged ≥40 years from a high‐risk group for diabetes were recruited. All participants received the anthropometrical measurements and laboratory tests. Retinal arteriolar and venular caliber of the participants were measured with a semi‐automated system. Hyperuricemia was defined as a serum uric acid level >420 μmol/L in men and >360 μmol/L in women. Linear regression models were used to assess the association of hyperuricemia with retinal vascular calibers. These models were additionally adjusted for age, central obesity, hypertension, dyslipidemia, weekly activity, smoking status, and education. Results Among the 869 participants, 133 (15.3%) suffered from hyperuricemia. The crude mean serum uric acid level was 312.3 μmol/L (Standard Deviation 79.5); mean concentration was 355.0 μmol/L (SD 75.5) in male participants, and 288.0 μmol/L (SD 71.1) in female participants (age‐adjusted difference 58.1 μmol/L, 95% Confidence Internal 48.5, 67.6). After adjusting for additional covariates, male participants with hyperuricemia had 3.77 μm (95% CI ‐0.46, 8.00) smaller arteriolar caliber and 6.20 μm (95% CI 0.36, 12.04) larger venule than those without hyperuricemia; the corresponding numbers among female participants were 1.57 μm (95% CI ‐1.07, 4.21) for retinal arteriolar caliber and 2.28 μm (95% CI ‐1.72, 6.27) for retinal venular caliber. Conclusion Hyperuricemia was associated with smaller retinal arteriolar caliber and larger venular caliber mainly in male participants in this study.YUAN YuanZhi M. Kamran IKRAM JIANG SunFang LIN HuanDong REN LiMin YAN HongMei SHENG JianHua CHEN XuSheng GAO Xin 2011Biomedical and Environmental Sciences2011,24,2:6
14Prevalence of stroke and metabolic disorders in the middle-aged and elderly Chinese with type 2 diabetes显示文摘Zhang Xuebing Mu Yiming Yan Wenhua Ba Jianming Li Hongmei 2014Chinese Medical Journal2014,,20:5
15Sustained high level transgene expression in mammalian cells mediated by the optimized piggyBac transposon system显示文摘Sustained,high level transgene expression in mammalian cells is desired in many cases for studying gene functions.Traditionally,stable transgene expression has been accomplished by using retroviral or lentiviral vectors.However,such viral vector-mediated transgene expression is often at low levels and can be reduced over time due to low copy numbers and/or chromatin remodeling repression.The piggyBac transposon has emerged as a promising nonviral vector system for efficient gene transfer into mammalian cells.Despite its inherent advantages over lentiviral and retroviral systems,piggyBac system has not been widely used,at least in part due to their limited manipulation flexibilities.Here,we seek to optimize piggyBac-mediated transgene expression and generate a more efficient,user-friendly piggyBac system.By engineering a panel of versatile piggyBac vectors and constructing recombinant adenoviruses expressing piggyBac transposase(PBase),we demonstrate that adenovirusmediated PBase expression significantly enhances the integration efficiency and expression level of transgenes in mesenchymal stem cells and osteosarcoma cells,compared to that obtained from co-transfection of the CMV-PBase plasmid.We further determine the drug selection timeline to achieve optimal stable transgene expression.Moreover,we demonstrate that the transgene copy number of piggyBac-mediated integration is approximately 10 times higher than that mediated by retroviral vectors.Using the engineered tandem expression vector,we show that three transgenes can be simultaneously expressed in a single vector with high efficiency.Thus,these results strongly suggest that the optimized piggyBac system is a valuable tool for making stable cell lines with sustained,high transgene expression.Xiang Chen Jing Cui Zhengjian Yan Hongmei Zhang Xian Chen Ning Wang Palak Shah Fang Deng Chen Zhao Nisha Geng Melissa Li Sahitya K.Denduluri Rex C.Haydon Hue H.Luu Russell R.Reid Tong-Chuan He 2015Genes & Diseases2015,2,1:5
16Social network analysis and network connectedness analysis for industrial symbiotic systems: model development and case study显示文摘工业共生的一个重要、实际的模式很快发展中:eco 工业的公园。在这研究,我们使用了社会网络分析学习网络 connectedness (即,被完成了的连接的理论数字的比例) 并且这些混合生态、工业的共生系统的相关属性。这条途径提供了卓见进 networka 的细节[欧元](TM ) s 内部并且在网络以内在节点之中分析了 connectedness 和关系的全面的度。我们然后在二个层次(核心和圆周) 描绘了网络和子网节点的结构的属性,从而在每个 eco 工业的公园以内提供卓见进运作的问题。我们在中国并且在全世界选了十为典型 ecoindustrial 公园并且比较了源于产品,副产品,和浪费的交换的这些系统的网络 connectedness 的度。由分析密度和节的度,我们在这些网络,以及象核心圆周结构和子网 connectedness 的度那样的另外的结构的属性决定了节点的相对力量和地位。结果揭示工业网络的结构创造的运作的问题并且为改进完全性的度,从而为持续开发增加他们的潜力并且充实为工业共生的学习可得到的方法提供一个基础[出版摘要]Yan ZHANG Hongmei ZHENG Bin CHEN Naijin YANG 2013Frontiers of Earth Science2013,7,2:5
17Synthesis and photocatalytic performance of ZnO with flower-like structure from zinc oxide ore显示文摘Employing zinc sulfate solution obtained from zinc oxide ore as raw material,sodium hydroxide as precipitant and PEG20000 as dispersant,ultrafine ZnO powders with different morphologies were successfully synthesized through hydrothermal method.The influences of the dosage of PEG20000 solution,molar ratio of OH-/Zn2+,reaction temperature,reaction time and Zn2+concentration on the structures and morphologies of the ZnO powders were discussed in detail.The reaction conditions of synthesizing ZnO powders with flower-like structure were obtained as below:dosage of PEG20000 with 10%mass fraction 5 mL,molar ratio of OH-to Zn2+5,reaction temperature 150℃,reaction time 8 h at Zn2+concentration1 mol L-1.The growth mechanism of ZnO particles with different morphologies was proposed.The ZnO powder with flower-like structure are composed of multiple micro-rods with hexagon morphology and has good photocatalytic degradation ability to degrade Rh B.20 mL Rh B solution with 15 mgL-1 could be completely degraded over flower-like ZnO powder 300 mg within 3 h.Xiaoyi Shen Hongmei Shao Yan Liu Yuchun Zhai 2020Journal of Materials Science & Technology2020,47,16:5
18Risk Factors for Age-Related Macular Degeneration in Elderly Chinese Population in Shenyang of China显示文摘Objective The paper aims to evaluate the risk factors for age‐related macular degeneration (AMD) in elderly Chinese population in Shenyang,a northeast city of China.Methods A case‐control study was conducted to investigate the risk factors for the prevalence of AMD.Ninety three AMD patients diagnosed by a complete ophthalmic examination were recruited as cases from the outpatient departments of two eye hospitals in Shenyang,while 108 normal subjects of similar age and sex were recruited as controls.A questionnaire was administered among both cases and controls.Results AMD patients aged 60 years and older accounted for 75.3%.There were significantly higher educational levels,shorter smoking history,less sunlight exposure and cataract,and higher proportion of antioxidants intake in controls than in AMD patients.The frequency of intake of fruits,legumes,fish and shrimps was significantly higher in controls than in AMD patients.In a binary logistic regression analysis,smoking and cataract were the risk factors for AMD (OR:4.44,95% CI:2.27‐8.69;OR:4.47,95% CI:2.26‐8.85 respectively).The high educational background was a protective factor for AMD (OR:0.761,95% CI:0.51‐0.98).Conclusion A low educational background,smoking and cataract are associated with a higher prevalence of AMD.JIA LiHong SHEN XueLi FAN Rui SUN Yan PAN XingYue YANH HongMei LIU Lu 2011Biomedical and Environmental Sciences2011,24,5:4
19Genome-wide identification of RNA editing in seven porcine tissues by matched DNA and RNA high-throughput sequencing显示文摘Background: RNA editing is a co/posttranscriptional modification mechanism that increases the diversity of transcripts, with potential functional consequences. The advent of next-generation sequencing technologies has enabled the identification of RNA edits at unprecedented throughput and resolution. However, our knowledge of RNA editing in swine is still limited.Results: Here, we utilized RES-Scanner to identify RNA editing sites in the brain, subcutaneous fat, heart, liver,muscle, lung and ovary in three 180-day-old Large White gilts based on matched strand-specific RNA sequencing and whole-genome resequencing datasets. In total, we identified 74863 editing sites, and 92.1% of these sites caused adenosine-to-guanosine(A-to-G) conversion. Most A-to-G sites were located in noncoding regions and generally had low editing levels. In total, 151 A-to-G sites were detected in coding regions(CDS), including 94 sites that could lead to nonsynonymous amino acid changes. We provide further evidence supporting a previous observation that pig transcriptomes are highly editable at PRE-1 elements. The number of A-to-G editing sites ranged from 4155(muscle) to 25001(brain) across the seven tissues. The expression levels of the ADAR enzymes could explain some but not all of this variation across tissues. The functional analysis of the genes with tissuespecific editing sites in each tissue revealed that RNA editing might play important roles in tissue function.Specifically, more pathways showed significant enrichment in the fat and liver than in other tissues, while no pathway was enriched in the muscle.Conclusions: This study identified a total of 74863 nonredundant RNA editing sites in seven tissues and revealed the potential importance of RNA editing in tissue function. Our findings largely extend the porcine editome and enhance our understanding of RNA editing in swine.Yuebo Zhang Longchao Zhang Jingwei Yue Xia Wei Ligang Wang Xin Liu Hongmei Gao Xinhua Hou Fuping Zhao Hua Yan Lixian Wang 2019Journal of Animal Science and Biotechnology2019,10,2:4
20A review of industrial symbiosis research: theory and methodology显示文摘工业共生的领域里的理论,方法论,和案例研究发展中将近 30 年了。在这篇论文,我们跟踪工业共生的开发历史,并且在当前的研究考察它的当前的理论、方法学的库,以及趋势。基于我们识别的研究差距,我们提供建议指导这条途径的未来发展允许更全面的分析。我们的理论评论包括关键定义,一个分类系统,和对形成和发展机制的描述。我们从单个工业新陈代谢的进程和网络分析的观点讨论方法学的研究。分析特定的新陈代谢的过程能帮助描绘材料和精力的交换,并且揭示生态的表演和共生的经济好处。网络分析方法逐渐地正在被使用两个都分析一个系统的结构、功能的特征。我们为未来研究的建议集中于三个方面:怎么分类工业共生系统到份量上,监视发展的动力学工业共生系统,和分析它的内部属性更深深地。Yan ZHANG Hongmei ZHENG Bin CHEN Meirong SU Gengyuan LIU 2015Frontiers of Earth Science2015,9,1:4
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