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52篇 您的检索式:作者名="Lining Liu"
    题名 作者 年代 出处 被引量
1Blockade of Tim-3 Pathway Ameliorates Interferon-γ Production from Hepatic CD8^+ T Cells in a Mouse Model of Hepatitis B Virus Infection显示文摘T cell immunoglobulin-and mucin-domain-containing molecule-3(Tim-3) has been reported to participate in the pathogenesis of inflammatory diseases. However,whether Tim-3 is involved in hepatitis B virus(HBV) infection remains unknown. Here,we studied the expression and function of Tim-3 in a hydrodynamics-based mouse model of HBV infection. A significant increase of Tim-3 expression on hepatic T lymphocytes,especially on CD8+ T cells,was demonstrated in HBV model mice from day 7 to day 18. After Tim-3 knockdown by specific shRNAs,significantly increased IFN-γ production from hepatic CD8+ T cells in HBV model mice was observed. Very interestingly,we found Tim-3 expression on CD8+ T cells was higher in HBV model mice with higher serum anti-HBs production. Moreover,Tim-3 knockdown influenced anti-HBs production in vivo. Collectively,our data suggested that Tim-3 might act as a potent regulator of antiviral T-cell responses in HBV infection.Ying Ju Nan Hou Xiaoning Zhang Di Zhao Ying Liu Jinjin Wang Fang Luan Wei Shi Faliang Zhu Wensheng Sun Lining Zhang Chengjiang Gao Lifen Gao Xiaohong Liang Chunhong Ma 2009Cellular & Molecular Immunology2009,6,1:19
2Increased expression of human T-cell immunoglobulin-and mucin-domain-containing molecule-4 in peripheral blood mononuclear cells from patients with system lupus erythematosus显示文摘全身的豺狼座 erythematosus (SLE ) 是 prototypic 自体免疫的疾病。天生、适应的免疫合作地贡献 SLE 的发展。介绍抗原的房间(APC ) 被建议了连接天生、适应的免疫。T 房间 immunoglobulin-domain-containing 和 mucin-domain-containing molecule-4 (Tim-4;另外作为 Timd4 知道) ,首先在 APC 的表面上表示了,是 TIM 家庭,的一个成员作为免疫系统的潜在的管理者收到了许多注意的分子的一个最近描述的组。在这研究,我们使用了量的即时反向的抄写聚合酶链反应从 SLE 病人在外部血 mononuclear 房间( PBMC )检验 Tim-4 的 mRNA 表示并且进一步在 PBMC 和浆液肿瘤坏死因素( TNF )分析了在 Tim-4 和 Tim-1 (为 Tim-4 的潜在的 ligand )的表示之间的关联-伪层次。结果证明在 PBMC 的那个 Tim-4 mRNA 表达式比在健康控制在 SLE 病人是显著地更高的,特别在疾病的活跃阶段的那些病人。而且, Tim-4 mRNA 层次密切在 SLE 病人然而并非在控制组在 PBMC 并且与浆液 TNF- 伪层次与 Tim-1 mRNA 层次被相关。一起拿,这些结果证明 Tim-4 可以涉及 SLE 的致病。Peiqing Zhao Liyun Xu Piming Wang Xiaohong Liang Jianni Qi Peng Liu Chun Guo Lining Zhang Chunhong Ma Lifen Gao 2010Cellular & Molecular Immunology2010,7,2:11
3Design of a control system for a macro-micro dual-drive high acceleration high precision positioning stage for IC packaging显示文摘A macro-micro dual-drive positioning system showing good potential for high acceleration and high precision positioning required in IC packaging applications is devised in this paper. The dual-drive positioning stage uses a VCM (voice coil motor) driven macro positioning stage and a PZT piezo-electric driven micro positioning stage. The coupling characteristics of the system are analyzed to produce a control structure with a micro positioning stage that can dynamically compensate for the positioning error produced by the macro positioning stage. Models of the two positioning stages are described. The models cover both the mechanism and the actuator. For the macro positioning stage, friction characteristics are taken into account, and a controller with an LQG (linear-quadratic-Gaussian) control algorithm combining a feed-forward compensation algorithm is derived. A PID controller is used to control the micro positioning stage. Detailed designs are derived for the proposed approach, and the performance is validated by simulation.LIU YanJie LI Teng SUN LiNing 2009Science China(Technological Sciences)2009,52,7:10
4An epidermal sEMG tattoo-like patch as a new human–machine interface for patients with loss of voice显示文摘Throat cancer treatment involves surgical removal of the tumor,leaving patients with facial disfigurement as well as temporary or permanent loss of voice.Surface electromyography(sEMG)generated from the jaw contains lots of voice information.However,it is difficult to record because of not only the weakness of the signals but also the steep skin curvature.This paper demonstrates the design of an imperceptible,flexible epidermal sEMG tattoo-like patch with the thickness of less than 10μm and peeling strength of larger than 1N cm−1 that exhibits large adhesiveness to complex biological surfaces and is thus capable of sEMG recording for silent speech recognition.When a tester speaks silently,the patch shows excellent performance in recording the sEMG signals from three muscle channels and recognizing those frequently used instructions with high accuracy by using the wavelet decomposition and pattern recognization.The average accuracy of action instructions can reach up to 89.04%,and the average accuracy of emotion instructions is as high as 92.33%.To demonstrate the functionality of tattoo-like patches as a new human–machine interface(HMI)for patients with loss of voice,the intelligent silent speech recognition,voice synthesis,and virtual interaction have been implemented,which are of great importance in helping these patients communicate with people and make life more enjoyable.Huicong Liu Wei Dong Yunfei Li Fanqi Li Jiangjun Geng Minglu Zhu Tao Chen Hongmiao Zhang Lining Sun Chengkuo Lee 2020Microsystems & Nanoengineering2020,6,1:6
5An in-pipe micro robot actuated by piezoelectric bimorphs显示文摘A novel in-pipe micro robot providing stable and accurate locomotion inside a tubular structure with diameters ranging from 16 mm to 18 mm is presented in this paper. Driven by impulsive voltages, deflections of the piezoelectric bimorphs are generated and then converted into translational locomotion by the principle of the Impact Drive Mechanism (IDM). Theoretical analysis of the proposed system is performed based on a simplified mechanical model. Then dynamic simulations of the dynamic behavior are performed. Finally, an experiment is conducted to investigate the moving ability of this device. The results demonstrate that a maximum translational velocity of 3.5 mm/s can be obtained under an impulsive driving voltage with peak value at 50 V and frequency of 1100 Hz. Both theoretical analysis and experimental trials prove that the principle of IDM actuated by piezoelectric bimorphs is feasible and robust for achieving accurate locomotion of the micro robot in pipes with diameters of less than 20 mm.LIU PinKuan WEN ZhiJie SUN LiNing 2009Chinese Science Bulletin2009,54,12:5
6Fine particulate matter(PM_(2.5)/PM_(1.0)) in Beijing,China: Variations and chemical compositions as well as sources显示文摘Particulate matter(i.e.,PM_(1.0) and PM_(2.5)),considered as the key atmospheric pollutants,exerts negative effects on visibility,global climate,and human health by associated chemical compositions.However,our understanding of PM and its chemical compositions in Beijing under the current atmospheric environment is still not complete after witnessing marked alleviation during 2013–2017.Continuous measurements can be crucial for further air quality improvement by better characterizing PM pollution and chemical compositions in Beijing.Here,we conducted simultaneous measurements on PM in Beijing during 2018–2019.Results indicate that annualmean PM_(1.0) and PM_(2.5) concentrations were 35.49±18.61μg/m^(3) and 66.58±60.17μg/m^(3),showing a positive response to emission controls.The contribution of sulfate,nitrate,and ammonium(SNA)played an enhanced role with elevated PM loading and acted as the main contributors to pollution episodes.Discrepancies observed among chemical species between PM_(1.0) and PM_(2.5) in spring suggest that sand particles trend to accumulate in the range of 1–2.5μm.Pollution episodes occurred accompanied with southerly clusters and high formation of SNA by heterogeneous reactions in summer and winter,respectively.Results from positive matrix factorization(PMF)combined with potential source contribution function(PSCF)models showed that potential areas were seasonal dependent,secondary and vehicular sources became much more important compared with previous studies in Beijing.Our study presented a continuous investigation on PM and sources origins in Beijing,which provides a better understanding for further emission control as well as a reference for other cities in developing countries.Lining Luo Xiaoxuan Bai Shuhan Liu Bobo Wu Wei Liu Yunqian Lv Zhihui Guo Shumin Lin Shuang Zhao Yan Hao Jiming Hao Kai Zhang Aihua Zheng Hezhong Tian 2022Journal of Environmental Sciences2022,34,11:3
7Antigenicity of tissues and organs from GGTA1/CMAH/β4GalNT2 triple gene knockout pigs显示文摘Clinical xenotransplantations have been hampered by human preformed antibody-mediated damage of the xenografts.To overcome biological incompatibility between pigs and humans,one strategy is to remove the major antigens[Gal,Neu5 Gc,and Sd(a)]present on pig cells and tissues.Triple gene(GGTAI,CMAH,and β4 GalNT2)knockout(TKO)pigs were produced in our laboratory by CRISPR-Cas9 targeting.To investigate the antigenicity reduction in the TKO pigs,the expression levels of these three xenoantigens in the cornea,heart,liver,spleen,lung,kidney,and pancreas tissues were examined.The level of human IgG/IgM binding to those tissues was also investigated,with wildtype pig tissues as control.The results showed that aGal,Neu5 Gc,and Sd(a)were markedly positive in all the examined tissues in wildtype pigs but barely detected in TKO pigs.Compared to wildtype pigs,the liver,spleen,and pancreas of TKO pigs showed comparable levels of human IgG and IgM binding,whereas corneas,heart,lung,and kidney of TKO pigs exhibited significantly reduced human IgG and IgM binding.These results indicate that the antigenicity of TKO pig is significantly reduced and the remaining xenoantigens on porcine tissues can be eliminated via a gene targeting approach.Ronggen Wang Miaomiao Ruan Runjie Zhang Lei Chen Xiaoxue Li Bin Fang Chu Li Xueyang Ren Jiying Liu Qiang Xiong Lining Zhang Yong Jin Lin Li Rongfeng Li Ying Wang Haiyuan Yang Yifan Dai 2019The Journal of Biomedical Research2019,33,4:3
8Pitting Corrosion of 13Cr Steel in Oxygen-free Completion Fluids of Organic Salt显示文摘Corrosion behavior of 13Cr steel in oxygen-free completion fluids of the organic salt at 180 ℃ was studied. Cross-sectional morphologies of the corrosion products were observed by scanning electron microscopy. Energy dispersive spectrum (EDS) was used to study the element distribution of the corrosion product inside and outside the pits. The results show that the organic salt causes severe pitting corrosion of 13Cr steel. The width and depth of the pits increase simultaneously when the test duration prolongs, and potassium enriches inside the pits.Lining XU Yao MENG Yunguang SHI Yan LIU 2013Acta Metallurgica Sinica(English Letters)2013,26,3:2
9Overexpressing dominant-negative FGFR2-IIIb impedes lung branching morphogenesis in pigs显示文摘Genetic studies with mouse models have shown that fibroblast growth factor receptor 2-IIIb(FGFR2-IIIb)plays crucial roles in lung development and differentiation. To evaluate the effect of FGFR2-IIIb in pig lung development, we employed somatic cell nuclear transfer(SCNT) technology to generate transgenic pig fetuses overexpressing the transmembrane(dn FGFR2-IIIb-Tm) and soluble(dn FGFR2-IIIb-HFc) forms of the dominant-negative human FGFR2-IIIb driven by the human surfactant protein C(SP-C) promoter,which was specifically expressed in lung epithelia. Eight dn FGFR2-IIIb-Tm transgenic and twelve dn FGFR2-IIIb-HFc transgenic pig fetuses were collected from three and two recipient sows, respectively.Repression of FGFR2-IIIb in lung epithelia resulted in smaller lobes and retardation of alveolarization in both forms of dn FGFR2-IIIb transgenic fetuses. Moreover, the dn FGFR2-IIIb-HFc transgenic ones showed more deterioration in lung development. Our results demonstrate that disruption of FGFR2-IIIb signaling in the epithelium impedes normal branching and alveolarization in pig lungs, which is less severe than the results observed in transgenic mice. The dn FGFR2-IIIb transgenic pig is a good model for the studies of blastocyst complementation as well as the mechanisms of lung development and organogenesis.Qin Chen Bin Fang Ying Wang Chu Li Xiaoxue Li Ronggen Wang Qiang Xiong Lining Zhang Yong Jin Manling Zhang Xiaorui Liu Lin Li Lisha Mou Rongfeng Li Haiyuan Yang Yifan Dai 2018Journal of Genetics and Genomics2018,45,3:2
10A Bama miniature pig model of monoallelic TSC1 mutation for human tuberous sclerosis complex显示文摘Tuberous sclerosis complex(TSC)is a dominant genetic neurocutaneous syndrome characterized by multiple organ hamartomas.Although rodent models bearing a germline mutation in either TSC1 or TSC2 gene have been generated,they do not develop pathogenic lesions matching those seen in patients with TSC because of the significant differences between mice and humans,highlighting the need for an improved large animal model of TSC.Here,we successfully generate monoallelic TSC1-modified Bama miniature pigs using the CRISPR/Cas9 system along with somatic cell nuclear transfer(SCNT)technology.The expression of phosphorylated target ribosomal protein S6 is significantly enhanced in the piglets,indicating that disruption of a TSC1 allele activate the mechanistic target of rapamycin(mTOR)signaling pathway.Notably,differing from the mouse TSC models reported previously,the TSC1^(+/−)Bama miniature pig developed cardiac rhabdomyoma and subependymal nodules,resembling the major clinical features that occur in patients with TSC.These TSC1^(+/−)Bama miniature pigs could serve as valuable large animal models for further elucidation of the pathogenesis of TSC and the development of therapeutic strategies for TSC disease.Xiaoxue Li Tingdong Hu Jiying Liu Bin Fang Xue Geng Qiang Xiong Lining Zhang Yong Jin Xiaorui Liu Lin Li Ying Wang Rongfeng Li Xiaochun Bai Haiyuan Yang Yifan Dai 2020Journal of Genetics and Genomics2020,47,12:2
11Facile synthesis of Er^(3+)/Tm^(3+)co-doped magnetic/luminescent nanosystems for possible bioimaging and therapy applications显示文摘Manganese-zinc ferrite is a kind of very important magnetic ferrite material.The properties of wide absorption band,sensitivity to ultraviolet(UV)light and tumor H_(2)O_(2) promise it to be possibly used as a photothermal therapy(PTT),photodynamic therapy(PDT)and chemodynamic therapy(CDT)agent.Based on the unique advantages of rare-earth doped nanoparticles,an Er^(3+),Tm^(3+)co-doped upconversion-mediated nanosystem with manganese-zinc ferrite shell(named as UCNPS@M)was developed through a facile thermal co-decomposition method.The final nanosystems were surface-modified by using dopamine hydrochloride(DA)in order to warrant good biocompatibility(named as UCNPS@M@DA).Under irradiation of near-infrared(NIR)light,UCNPS emit both ultraviolet and visible light.The UV light is mostly abso rbed by manga nese-zinc ferrite shell to produce reactive oxygen species(ROS),which is essential to the potential PDT and CDT effect of nanosystems,and at the same time,Mn_(0.5)Zn_(0.5)Fe2O_(4) can further react with H_(2)O_(2) to promote the efficiency of OH-generation.It is expected that UCNPS@M@DA can act as upconversion luminescence imaging guidance due to the visible emission from UCNPS.In addition,the energy absorbed by the nanosystems can be transferred to heat to realize photothermal effect.Moreover,UCNPS@M@DA was successfully applied as a T_(1)/T_(2)-weighted magnetic resonance imaging(MRI)contrast agent due to the existence of Gd,Mn,and Fe elements.In light of the upconversion luminescence(UCL)imaging from the UCNPS as well as potential PTT,PDT,CDT effect mentioned above,this work provides a possibility to realize cancer multi-model bioimaging guided treatment by using an all-in-one diagnosis and therapy nanosystem through a simple yet powerful strategy.Hongyu Liu Jiabei Li Pengfei Hu Songqiang Sun Liyi Shi Lining Sun 2022Journal of Rare Earths2022,40,1:1
12Bond-graph model of a piezostack driven jetting dispenser显示文摘Shizhou Lu Yaxin Liu Yufeng Yao Lining Sun Ming Zhong 2014Simulation Modelling Practice and Theory2014,,:1
13Conversion of bound to free water in endodormant buds of apple is an incremental process显示文摘FAUST M LIU D LINE M J STUTTE G W 1995Acta Hort1995,395,:1
14The influence of forming processes on the distribution and morphologies of TiC in Al-Ti-C master alloys显示文摘Ding Haimin Liu Xiangfa Yu Line 2007Scripta Materialia2007,57,:1
15Ionic Liquids from Renewable Biomaterials: Synthesis, Characterization and Application in the Pretreatment of Biomass 显示文摘LIU Qiu-ping HOU Xue-dan LINing 2012Green Chem2012,14,:1
16A Java-based digital library portal-for geography education显示文摘LIU Z H YU H LINE P 2004Science of Computer Pro gramming2004,53,1:1
17Dietary Exposure to Benzyl Butyl Phthalate in China显示文摘Objective Benzyl butyl phthalate(BBP) is a plasticizer used in food contact materials. Dietary exposure to BBP might lead to reproduction and developmental damages to human. The present paper was aimed to assess the health risk of BBP dietary exposure in Chinese population. Methods The BBP contents were detected in 7409 food samples from 25 food categories by gas chromatography-mass spectrometry operated in selected ion monitoring(SIM) mode. The dietary exposures of BBP in different age and sex groups were estimated by combining the content data with food consumption data derived from 2002 China National Nutrient and Health Survey, and evaluated according to the tolerable daily intake(TDI) of BBP established by European Food safety Agency. Results It was found that BBP was undetectable in most samples and the highest level was 1.69 mg/kg detected in a vegetable oil sample. The average dietary exposure of BBP in people aged ≥2 years was 1.03 μg/kg bw per day and the highest average exposure was found in 2-6 years old children(1.98 μg/kg bw per day). The BBP exposure in 7-12 months old children excessed 10% of tolerable daily intake(TDI) in worst scenario. Conclusion The health risk of BBP dietary exposure in Chinese population is low and, considering BBP alone, there is no safety concern.ZHANG Lei JIANG Ding Guo SUIHaiXia WU Ping Gu LIU Ai Dong YANG Da Jin LIU Zhao Ping SONG Yan LINing 2016Biomedical and Environmental Sciences2016,29,5:1
18PAPR reduction based on improved Nyquist pulse shaping technology in OFDM-RoF systems 显示文摘LIU Jianfei LINing LU Jia 2013OptoelectronicsLetters(S1673-1905)2013,9,:1
19MGB-based one-step multiplex real-time PCR method for rapid detection of HPV显示文摘Jie Huang Chun Gao Xilai Ding Shoufang Qu Licheng Liu Weili Wu Lining Zhang Jinyin Zhao Shangxian Gao 2013Cancer Biomarkers2013,,3:1
20Conservation and characterization of unique porcine interstitial telomeric sequences显示文摘Telomeres are composed of TTAGGG repeats and located at the ends of chromosomes. Telomeres protect chromosomes from instability in mammals, including mice and humans. Repetitive TTAGGG sequences are also found at intrachromosomal sites, where they are named as interstitial telomeric sequences (ITSs). Aberrant ITSs are implicated in chromosomal instability and found in cancer cells. Interestingly, in pigs, vertebrate telomere sequences TTAGGG (vITSs) are also localized at the centromeric region of chromosome 6, in addition to the end of all chromosomes. Surprisingly, we found that botanic telomere sequences, TTTAGGG (bITSs), also localize with vITSs at the centromeric regions of pig chromosome 6 using telomere fluorescence in situ hybridization (FISH) and by comparisons between several species. Furthermore, the average lengths of vITSs are highly correlated with those of the terminal telomeres (TTS). Also, pig ITSs show a high incidence of telomere doublets, suggesting that pig ITSs might be unstable and dynamic. Together, our results show that pig cells maintain the conserved telomere sequences that are found at the ITSs from of plants and other vertebrates. Further understanding of the function and regulation of pig ITSs may provide new clues for evolution and chromosomal instability.JI GuangZhen LIU Kai CHEN ChengBin RUAN WeiMin GLYTSOU Christina YANG Yang OKUKA Maja SONG WenQing GAGOS Sarantis LINing LIU Lin 2012Science China(Life Sciences)2012,55,12:1
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