维普中文期刊产品整合服务
56篇 您的检索式:作者名="Feng Lingyun"
    题名 作者 年代 出处 被引量
1Transplantation of Human Bone Marrow Mesenchymal Stem Cell Ameliorates the Autoimmune Pathogenesis in MRL/lpr Mice显示文摘Recent evidence indicates that mesenchymal stem cells (MSC) possess immunosuppressive properties both in vitro and in vivo. We previously demonstrated the functional abnormality of bone marrow derived MSC in patients with systemic lupus erythematosus (SLE). In this study, we aimed to investigate whether transplantation of human bone marrow derived MSC affects the autoimmune pathogenesis in MRL/lpr mice. We found that human MSC from healthy donors reduced the proliferation of T lymphocytes from MRL/lpr mice in a dose-dependent fashion. Two weeks after in vivo transfer of MSC, we detected significantly reduced serum levels of anti ds-DNA antibodies and 24 hour proteinuria in MRL/lpr mice as compared with control groups without MSC transplantation. Moreover, flow cytometric analysis revealed markedly reduced number of CD4+ T cells while increased Th1 subpopulation in MSC group and MSC + CTX group when compared with controls. Histopathological examination showed significantly reduced renal pathology in MSC-treated mice. Immunohistochemical studies further revealed reduced expression of TGF-β, FN, VEGF and the deposition of complement C3 in renal tissue after MSC and MSC + CTX treatment. Taken together, we have demonstrated that transplantation of human MSC can significantly inhibit the autoimmune progression in MRL/lpr mice.Kangxing Zhou Huayong Zhang Ouyang Jin Xuebing Feng Genhong Yao Yayi Hou Lingyun Sun 2008Cellular & Molecular Immunology2008,5,6:59
2The regulation of the Treg/Th 17 balance by mesenchyma stem cells in human systemic lupus erythematosus显示文摘Dandan Wang Saisai Huang Xinran Yuan Jun Liang Renju Xu Genhong Yao Xuebing Feng Lingyun Sun 2017Cellular & Molecular Immunology2017,14,5:44
3MicroRNA-663 induces immune dysregulation by inhibiting TGF-β1 production in bone marrow-derived mesenchymal stem cells in patients with systemic lupus erythematosus显示文摘Mesenchymal stem cells(MSCs)are critical for immune regulation.Although several microRNAs(miRNAs)have been shown to participate in autoimmune pathogenesis by affecting lymphocyte development and function,the roles of miRNAs in MSC dysfunction in autoimmune diseases remain unclear.Here,we show that patients with systemic lupus erythematosus(SLE)display a unique miRNA signature in bone marrow-derived MSCs(BMSCs)compared with normal controls,among which miR-663 is closely associated with SLE disease activity.MiR-663 inhibits the proliferation and migration of BMSCs and impairs BMSC-mediated downregulation of follicular T helper(Tfh)cells and upregulation of regulatory T(Treg)cells by targeting transforming growth factorβ1(TGF-β1).MiR-663 overexpression weakens the therapeutic effect of BMSCs,while miR-663 inhibition improves the remission of lupus disease in MRL/lpr mice.Thus,miR-663 is a key mediator of SLE BMSC regulation and may serve as a new therapeutic target for the treatment of lupus.Linyu Geng Xiaojun Tang Kangxing Zhou Dandan Wang Shiying Wang Genhong Yao Weiwei Chen Xiang Gao Wanjun Chen Songtao Shi Nan Shen Xuebing Feng Lingyun Sun 2019Cellular & Molecular Immunology2019,16,3:16
4Interactions of Sn and S and their effects on the magnetic properties of non-oriented silicon steel sheets显示文摘The interactions of Sn and S and their effects on the magnetic properties of non-oriented silicon steel sheets were discussed in reference to industrial production.Results show that minor amounts of Sn can improve magnetic induction sharply but have little effect on core loss when the S content is below 10×10-4%.The precipitation of AIN can be restrained effectively by Sn.Sn,as the nucleus,can remove some of the inclusions with a size of 0.5μm or larger,but has little effect on inclusions smaller than 0.5μm,which is the key factor affecting core loss.Sn improves the magnetic induction of finished steel sheets mainly through the change of the steel texture.The relationship between the magnetic induction and Sn and S content can be regressed as B50= 1.69 -4.37 ws+0.30 wSn.From the regression formulation,the magnetic induction can be improved by 0.03 T when 0.01%Sn is added under relatively low S content conditions.ZHANG Feng WANG Bo LV Xuejun CHEN Lingyun 2013Baosteel Technical Research2013,7,2:8
5In vivo retention of poloxamer-based in situhydrogels for vaginal application in mouse and rat models显示文摘The purpose of this study is to evaluate the in vivo retention capabilities of poloxamer-based in situ hydrogels for vaginal application with nonoxinol-9 as the model drug. Two in situ hydrogel formulations, which contained 18% poloxamer 407 plus 1% poloxamer 188(GEL1, relative hydrophobic)or 6% poloxamer 188(GEL2, relative hydrophilic), were compared with respect to the rheological properties, in vitro hydrogel erosion and drug release. The vaginal retention capabilities of these hydrogel formulations were further determined in two small animal models, including drug quantitation of vaginal rinsing fluid in mice and isotope tracing with99 m Tc in rats. The two formulations exhibited similar phase transition temperatures ranging from 27 to 32 1C. Increasing the content of poloxamer 188 resulted in higher rheological moduli under body temperature, but slightly accelerated hydrogel erosion and drug release. When compared in vivo, GEL1 was eliminated significantly slower in rat vagina than GEL2,while the vaginal retention of these two hydrogel formulations behaved similarly in mice. In conclusion,increases in the hydrophilic content of formulations led to faster hydrogel erosion, drug release andintravaginal elimination. Rats appear to be a better animal model than mice to evaluate the in situ hydrogel for vaginal application.Yu Liu Fujin Yang Linglin Feng Long Yang Lingyun Chen Gang Wei Weiyue Lu 2017Acta Pharmaceutica Sinica B2017,7,4:5
6Mizoribine versus mycophenolate mofetil or intravenous cyclophosphamide for induction treatment of active lupus nephritis显示文摘Feng Xuebing Gu Fei Chen Weiwei Liu Yan Wei Hua Liu Lin Yin Songlou Da Zhanyun Sun Lingyun 2014Chinese Medical Journal2014,,21:5
7Doxorubicin-Ioaded Fe3O4@MoS2-PEG-2DG nanocubes as a theranostic platform for magnetic resonance imaging- guided chemo-photothermal therapy of breast cancer显示文摘Wensheng Xie Qin Gao Dan Wang Zhenhu Guo Fei Gao Xiumei Wang Qiang Cai Si-shen Feng Haiming Fan Xiaodan Sun Lingyun Zhao 2018Nano Research2018,11,5:4
8Aberrant cholesterol metabolic signaling impairs antitumor immunosurveillance through natural killer T cell dysfunction in obese liver显示文摘Obesity is a major risk factor for cancers including hepatocellular carcinoma(HCC)that develops from a background of non-alcoholic fatty liver disease(NAFLD).Hypercholesterolemia is a common comorbidity of obesity.Although cholesterol biosynthesis mainly occurs in the liver,its role in HCC development of obese people remains obscure.Using high-fat high-carbohydrate diet-associated orthotopic and spontaneous NAFLD-HCC mouse models,we found that hepatic cholesterol accumulation in obesity selectively suppressed natural killer T(NKT)cell-mediated antitumor immunosurveillance.Transcriptome analysis of human liver revealed aberrant cholesterol metabolism and NKT cell dysfunction in NAFLD patients.Notably,cholesterol-lowering rosuvastatin restored NKT expansion and cytotoxicity to prevent obesogenic diet-promoted HCC development.Moreover,suppression of hepatic cholesterol biosynthesis by a mammalian target of rapamycin(mTOR)inhibitor vistusertib preceded tumor regression,which was abolished by NKT inactivation but not CD8^(+)T cell depletion.Mechanistically,sterol regulatory element-binding protein 2(SREBP2)-driven excessive cholesterol production from hepatocytes induced lipid peroxide accumulation and deficient cytotoxicity in NKT cells,which were supported by findings in people with obesity,NAFLD and NAFLD-HCC.This study highlights mTORC1/SREBP2/cholesterol-mediated NKT dysfunction in the tumor-promoting NAFLD liver microenvironment,providing intervention strategies that invigorating NKT cells to control HCC in the obesity epidemic.Wenshu Tang Jingying Zhou Weiqin Yang Yu Feng Haoran Wu Myth T.S.Mok Lingyun Zhang Zhixian Liang Xiaoyu Liu Zhewen Xiong Xuezhen Zeng Jing Wang Jiahuan Lu Jingqing Li Hanyong Sun Xiaoyu Tian Philip Chun Yeung Yong Hou Heung Man Lee Candice C.H.Lam Howard H.W.Leung Anthony W.H.Chan Ka Fai To John Wong Paul B.S.Lai Kelvin K.C.Ng Simon K.H.Wong Vincent W.S.Wong Alice P.S.Kong Joseph J.Y.Sung Alfred S.L.Cheng 2022Cellular & Molecular Immunology2022,19,7:3
9A new die-cast magnesium alloy for applications at higher elevated temperatures of 200-300℃显示文摘The development of lightweight magnesium(Mg)alloys capable of operating at elevated temperatures of 200-300℃and the ability of using high pressure die casting for high-volume manufacturing are the most advanced developments in manufacturing critical parts for internal combustion engines used in power tools.Here we report the microstructure and mechanical properties of a newly developed die-cast Mg-RE(La,Ce,Nd,Gd)-Al alloy capable of working at higher elevated temperatures of 200-300℃.The new alloy delivers the yield strength of 94 MPa at 300℃,which demonstrates a 42%increase over the benchmark AE44 high temperature die-cast Mg alloy.The new alloy also has good stiffness at elevated temperatures with its modulus only decreasing linearly by 13%from room temperature up to 300℃.Thermal analysis shows a minor peak at 364.7℃in the specific heat curve of the new alloy,indicating a good phase stability of the alloy up to 300℃.Nd and Gd have more affinity to Al for the formation of the minority of divorced Al-RE(Nd,Gd)based compounds,and the stable Al-poor Mg_(12)RE(La_(0.22)Ce_(0.13)Nd_(0.31)Gd_(0.31))Zn_(0.39)Al_(0.13)compound acts as the continuous inter-dendritic network,which contribute to the high mechanical performance and stability of the new die-cast Mg alloy at 200-300℃.Xixi Dong Lingyun Feng Shihao Wang Eric A.Nyberg Shouxun Ji 2021Journal of Magnesium and Alloys2021,9,1:2
10STUDIES ON PATHOGENESIS OF WAARDENBURG SYNDROME TYPE Ⅱ AND TIETZ SYNDROME RESULTING FROM MITF GENE MUTATIONS显示文摘Microphthalmia-associated transcription factor(MITF) controls melanocyte survival and differentiation through directly regulating the expression of the tyrosinase(TYR) and tyrosinase- related proteins 1 and 2(TYRP1 and TYRP2) genes. MITF mutations have been reported to result in an abnormal melanocyte development and lead to Waardenburg syndrome type 2(WS2), characterized by variable degrees of sensorineural hearing loss and patchy regional distribution of hypopigmentation. Recently, MITF was also indicated as a causative gene for a more severe syndrome, the Tietz Syndrome(TS), characterized by generalized hypopigmentation and complete hearing loss. However, few functional studies have been performed to compare the diseases-causing mutations. Here, we analyzed the in vitro activity of two recent identified WS2-associated mutation(p.R217I and p.T192fsX18) and one TS-associated mutation p.N210K. The R217I MITF retained partial activity, normal DNA-binding ability and nuclear distribution, whereas the T192fsX18 MITF failed to activate TYR promoter due to loss of DNA-binding activity, and aberrant subcellular localization.The aberrant subcellular localization of T192fsX18 MITF may be caused by deletion of a putative nuclear localization signal(NLS) at aa 213-218(ERRRRF). Indeed, MITF with deletion of the NLS fragment failed to translocate into the nucleus and activated the TYR promoter. Tagging this NLS to GFP promoted the green fluorescence protein(GFP) translocated into the nucleus. The surprising finding of our study is that a TS-associated MITF mutation, N210K, showed comparable in vitro activity as WT. Thus, the possible involvement of MITF in TS and its underlying mechanisms still need further investigation.ZHANG Hua LI Jiada LUO Hunjin CHEN Hongsheng MEI Lingyun HE Chufeng JIANG Lu FENG Yong 2013Journal of Otology2013,8,2:2
11Interleukin‐17 enhances the production of interferon‐γ and tumour necrosis factor‐α by bone marrow T lymphocytes from patients with lower risk myelodysplastic syndromes显示文摘Zheng Zhang Xiao Li Juan Guo Feng Xu Qi He Youshan Zhao Yujuan Yang Shucheng Gu Yan Zhang Lingyun Wu Chunkang Chang 2013Eur J Haematol2013,,5:2
12Assessment of strong earthquake risk in the Chinese mainland from 2021 to 2030显示文摘The long-term earthquake prediction from 2021 to 2030 is carried out by researching the active tectonic block boundary zones in the Chinese mainland.Based on the strong earthquake recurrence model,the cumulative probability of each target fault in the next 10 years is given by the recurrence period and elapsed time of each fault,which are adopted from relevant studies such as seismological geology,geodesy,and historical earthquake records.Based on the long-term predictions of large earthquakes throughout the world,this paper proposes a comprehensive judgment scheme based on the fault segments with the seismic gap,motion strongly locked,sparse small-moderate earthquakes,and apparent Coulomb stress increase.This paper presents a comprehensive analysis of the relative risk for strong earthquakes that may occur in the coming 10 years on the major faults in the active tectonic block boundary zones in the Chinese mainland.The present loading rate of each fault is first constrained by geodetic observations;the cumulative displacement of each fault is then estimated by the elapsed time since the most recent strong earthquake.Zhigang Shao Yanqiang Wu Lingyun Ji Faqi Diao Fuqiang Shi Yujiang Li Feng Long Hui Zhang Wuxing Wang Wenxin Wei Peng Wang Xiaoxia Liu Qi Liu Zhengyang Pan Xiaofei Yin Yue Liu Wei Feng Zhenyu Zou Jia Cheng Renqi Lu Yueren Xu Xi Li 2023Earthquake Research Advances2023,3,1:2
13Comparative proteomic analysis of a Haemophilus parasuis SC096 mutant deficient in the outer membrane protein P5显示文摘Bin Zhang Chenggang Xu Suming Zhou Saixiang Feng Lingyun Zhang Yanbin He Ming Liao 2011Microbial Pathogenesis2011,,2:1
14The role of galU and galE of Haemophilus parasuis SC096 in serum resistance and biofilm formation显示文摘Yi Zou Saixiang Feng Chenggang Xu Bin Zhang Suming Zhou Lingyun Zhang Xianhui He Jingyi Li Zhen Yang Ming Liao 2012Veterinary Microbiology2012,,:1
15Differences in CYP3A4 ? 1G genotype distribution and haplotypes of CYP3A4 , CYP3A5 and CYP3A7 in 3 Chinese populations显示文摘Jing Du Lan Yu Lei Wang Aiping Zhang Anli Shu Lingyun Xu Mingsheng Xu Yongyong Shi Xingwang Li Guoyin Feng Qinghe Xing Lin He 2007Clinica Chimica Acta2007,,1:1
16Systematic screening for polymorphisms in the CYP3A4 gene in the Chinese population显示文摘Jing Du Qinghe Xing Lingyun Xu Mingsheng Xu Anli Shu Yongyong Shi Lan Yu Aiping Zhang Lei Wang Hongsheng Wang Xingwang Li Guoyin Feng Lin He 2006Pharmacogenomics2006,,6:1
17Inhibition of HAP nanoparticles on W-256 sarcoma of rats in vivo显示文摘Feng Lingyun Li Shipu Yan Yuhua 2001Chinese of Biomedical Engineering2001,,:1
18A comprehensive review of the development of adaptive cruise control systems显示文摘Xiao Lingyun Gao Feng 2010Vehicle System Dynamics2010,48,10:1
19Model tests of modified suction caissons in marine sand under monotonic lateral combined loading显示文摘Li Dayong Feng Lingyun Zhang Yukun 2014Applied Ocean Research2014,48,:1
20The effect of CaCOa and TiO2 nanometer particles on A549 and L929 cells 显示文摘Feng Lingyun Li Shipu Yan Yuhua 2000Bioceramics2000,13,1:1
返回顶部 每页显示:
共3页 首页 上一页 第1页 下一页 末页 /3 跳转

网站首页 | 关于我们 | 联系我们 | 产品服务 | 客服中心 | 广告服务 | 版权声明 | 网站联盟 | 友情链接 | 售卡网点

版权所有© 渝B2-20050021-1 渝公网安备 50019002500403号 违法和不良信息举报中心

互联网出版许可证 新出网证(渝)字10号 全国400电话 - 免长途话费