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1Washed microbiota transplantation vs.manual fecal microbiota transplantation:clinical findings,animal studies and in vitro screening显示文摘Fecal microbiota transplantation(FMT)by manual preparation has been applied to treat diseases for thousands of years.However,this method still endures safety risks and challenges the psychological endurance and acceptance of doctors,patients and donors.Population evidence showed the washed microbiota preparation with microfiltration based on an automatic purification system followed by repeated centrifugation plus suspension for three times significantly reduced FMT-related adverse events.This washing preparation makes delivering a precise dose of the enriched microbiota feasible,instead of using the weight of stool.Intraperitoneal injection in mice with the fecal microbiota supernatant obtained after repeated centrifugation plus suspension for three times induced less toxic reaction than that by the first centrifugation following the microfiltration.The toxic reactions that include death,the change in the level of peripheral white blood cells,and the proliferation of germinal center in secondary lymphoid follicles in spleen were noted.The metagenomic next-generation sequencing(NGS)indicated the increasing types and amount of viruses could be washed out during the washing process.Metabolomics analysis indicated metabolites with pro-inflammatory effects in the fecal microbiota supernatant such as leukotriene B4,corticosterone,and prostaglandin G2 could be removed by repeated washing.Near-infrared absorption spectroscopy could be served as a rapid detection method to control the quality of the washingprocess.In conclusion,this study for the first time provides evidence linking clinical findings and animal experiments to support that washed microbiota transplantation(WMT)is safer,more precise and more quality-controllable than the crude FMT by manual.Ting Zhang Gaochen Lu Zhe Zhao Yafei Liu Quan Shen Pan Li Yaoyao Chen Haoran Yin Huiquan Wang Cicilia Marcella Bota Cui Lei Cheng Guozhong Ji Faming Zhang 2020Protein & Cell2020,11,4:44
2Fecal microbiota transplantation cured epilepsy in a case with Crohn's disease: The first report显示文摘Fecal microbiota transplantation(FMT)is a promising strategy that involves reconstruction of gut microbiota.Recently,it has been considered as a treatment of Crohn’s disease(CD)and certain neurological diseases.Here,to the best of our knowledge,we report the first case that used FMT to achieve remission of intestinal and neurological symptoms in a girl with CD and a 17-year history of epilepsy.During the 20 mo of follow-up,FMT has proved its efficacy in preventing relapse of seizures after withdrawing the antiepileptic drugs.Furthermore,this finding highlights the role of microbiota-gut-brain axis and inspires a novel treatment for epilepsy through remodeling gut microbiota.Zhi He Bo-Ta Cui Ting Zhang Pan Li Chu-Yan Long Guo-Zhong Ji Fa-Ming Zhang 2017World Journal of Gastroenterology2017,23,19:37
3IL-1beta sensitizes rat intervertebral disc cells to Fas ligand mediated apoptosis in vitro显示文摘瞄准:在老鼠上决定 recombinant 老鼠船边交货 Ligand 的 apoptotic 效果内部脊椎的磁盘房间在有教养的老鼠与船边交货的 IL-1beta 在试管内,和表达式预先对待内部脊椎的磁盘房间。方法:房间从 Sprague-Dawley 老鼠从腰部的磁盘的内部纤维环和移行区被孤立。房间在单层被种并且在 5 个处理组划分。IL-1beta (10 ng/mL ) , FasL (5, 20 ng/mL ) 与 / 没有 IL-1beta (10 ng/mL ) ,预告的处理分别地在 Dulbeccoos 被增加有 1% 胎儿的牛的浆液的修改 Eagleos 媒介和 Hamos 氟利昂十二媒介。在 32 h 以后,房间在 V-FITC 和 propidium 碘化物与附属建筑被染色用 RT-PCR 用流动血细胞计数并且到船边交货的分析抄写评估 apoptosis。结果:与控制组相比, FasL (20 ng/mL ) , IL-1beta (10 ng/mL )+FasL (5 ng/mL ) ,和 IL-1beta (10 ng/mL )+FasL (20 ng/mL ) 导致了圆盘房间(P<0.01 ) 的重要 apoptosis。Apoptosis 被 FasL 5 ng/mL (P<0.05 ) 也导致;而, apoptosis 没被 IL-1beta (10 ng/mL )(P>0.05 ) 导致。IL-1beta (10 ng/mL ) 在圆盘房间提高了 FasL (5 ng/mL ) 和 FasL (20 ng/mL ) 的导致 apoptosis 效果。在所有组的船边交货基因抄写和在 5 个处理组的船边交货表示是近似比控制组大的 1.2-2.1-fold (分别地, P<0.05 ) 。另外,在与 IL-1beta 预告的处理组一起的 FasL 的船边交货表示比在 FasL 组(P<0.01 ) 显著地起来调整。结论:这研究的结果证明圆盘房间与增加的 apoptotic 响应 FasL 在试管内评估的 IL-1beta 预先对待并且提供了卓见在将在退化圆盘由于发炎因素被提高的圆盘房间理解 Fas/FasL 调停系统的 apoptosis。Li-yang CUI Shang-li LIU Yue DING Dong-sheng HUANG Ruo-fan MA Wei-guo HUANG Bao-shan HU Qiu-hui PAN 2007Acta Pharmacologica Sinica2007,28,10:32
4Targeting calcium signaling in cancer therapy显示文摘The intracellular calcium ions(Ca^(2+)) act as second messenger to regulate gene transcription,cell proliferation, migration and death. Accumulating evidences have demonstrated that intracellular Ca^(2+)homeostasis is altered in cancer cells and the alteration is involved in tumor initiation, angiogenesis,progression and metastasis. Targeting derailed Ca^(2+)signaling for cancer therapy has become an emerging research area. This review summarizes some important Ca^(2+)channels, transporters and Ca^(2+)-ATPases,which have been reported to be altered in human cancer patients. It discusses the current research effort toward evaluation of the blockers, inhibitors or regulators for Ca^(2+)channels/transporters or Ca^(2+)-ATPase pumps as anti-cancer drugs. This review is also aimed to stimulate interest in, and support for researchinto the understanding of cellular mechanisms underlying the regulation of Ca^(2+)signaling in different cancer cells, and to search for novel therapies to cure these malignancies by targeting Ca^(2+)channels or transporters.Chaochu Cui Robert Merritt Liwu Fu Zui Pan 2017Acta Pharmaceutica Sinica B2017,7,1:32
5Painful intervertebral disc degeneration and inflammation:from laboratory evidence to clinical interventions显示文摘Low back pain(LBP),as a leading cause of disability,is a common musculoskeletal disorder that results in major social and economic burdens.Recent research has identified inflammation and related signaling pathways as important factors in the onset and progression of disc degeneration,a significant contributor to LBP.Inflammatory mediators also play an indispensable role in discogenic LBP.The suppression of LBP is a primary goal of clinical practice but has not received enough attention in disc research studies.Here,an overview of the advances in inflammation-related pain in disc degeneration is provided,with a discussion on the role of inflammation in IVD degeneration and pain induction.Puncture models,mechanical models,and spontaneous models as the main animal models to study painful disc degeneration are discussed,and the underlying signaling pathways are summarized.Furthermore,potential drug candidates,either under laboratory investigation or undergoing clinical trials,to suppress discogenic LBP by eliminating inflammation are explored.We hope to attract more research interest to address inflammation and pain in IDD and contribute to promoting more translational research.Feng-Juan Lyu Haowen Cui Hehai Pan Kenneth MC Cheung Xu Cao James C.Iatridis Zhaomin Zheng 2021Bone Research2021,9,1:24
6YAP promotes osteogenesis and suppresses adipogenic differentiation by regulatingβ-catenin signaling显示文摘YAP(yes-associated protein) is a transcriptional factor that is negatively regulated by Hippo pathway, a conserved pathway for the development and size control of multiple organs. The exact function of YAP in bone homeostasis remains controversial. Here we provide evidence for YAP's function in promoting osteogenesis, suppressing adipogenesis, and thus maintaining bone homeostasis.YAP is selectively expressed in osteoblast(OB)-lineage cells. Conditionally knocking out Yap in the OB lineage in mice reduces cell proliferation and OB differentiation and increases adipocyte formation, resulting in a trabecular bone loss. Mechanistically, YAP interacts with β-catenin and is necessary for maintenance of nuclear β-catenin level and Wnt/β-catenin signaling. Expression of β-catenin in YAP-deficient BMSCs(bone marrow stromal cells) diminishes the osteogenesis deficit. These results thus identify YAP-β-catenin as an important pathway for osteogenesis during adult bone remodeling and uncover a mechanism underlying YAP regulation of bone homeostasis.Jin-Xiu Pan Lei Xiong Kai Zhao Peng Zeng Bo Wang Fu-Lei Tang Dong Sun Hao-han Guo Xiao Yang Shun Cui Wen-Fang Xia Lin Mei Wen-Cheng Xiong 2018Bone Research2018,6,2:19
7Melatonin alleviates intervertebral disc degeneration by disrupting the IL-1β/NF-κB-NLRP3 inflammasome positive feedback loop显示文摘The inflammatory response is induced by the overexpression of inflammatory cytokines, mainly interleukin(IL)-1β, and is one of the main causes of intervertebral disc degeneration(IVDD). NLR pyrin domain containing 3(NLRP3) inflammasome activation is an important source of IL-1β. As an anti-inflammatory neuroendocrine hormone, melatonin plays various roles in different pathophysiological conditions. However, its roles in IVDD are still not well understood and require more examination. First, we demonstrated that melatonin delayed the progression of IVDD and relieved IVDD-related low back pain in a rat needle puncture IVDD model;moreover, NLRP3 inflammasome activation(NLRP3, p20, and IL-1β levels) was significantly upregulated in severely degenerated human discs and a rat IVDD model. Subsequently, an IL-1β/NF-κB-NLRP3 inflammasome activation positive feedback loop was found in nucleus pulposus(NP) cells that were treated with IL-1β. In these cells, expression of NLRP3 and p20 was significantly increased, NF-κB signaling was involved in this regulation, and mitochondrial reactive oxygen species(mt ROS)production increased. Furthermore, we found that melatonin disrupted the IL-1β/NF-κB-NLRP3 inflammasome activation positive feedback loop in vitro and in vivo. Melatonin treatment decreased NLRP3, p20, and IL-1β levels by inhibiting NF-κB signaling and downregulating mt ROS production. Finally, we showed that melatonin mediated the disruption of the positive feedback loop of IL-1β in vivo. In this study, we showed for the first time that IL-1β promotes its own expression by upregulating NLRP3 inflammasome activation. Furthermore, melatonin disrupts the IL-1β positive feedback loop and may be a potential therapeutic agent for IVDD.Fan Chen Guowei Jiang Hui Liu Zemin Li Yuxin Pei Hua Wang Hehai Pan Haowen Cui Jun Long Jianru Wang Zhaomin Zheng 2020Bone Research2020,8,2:18
8Combined obeticholic acid and apoptosis inhibitor treatment alleviates liver fibrosis显示文摘Obeticholic acid(OCA), the first FXR-targeting drug, has been claimed effective in the therapy of liver fibrosis. However, recent clinical trials indicated that OCA might not be effective against liver fibrosis, possibly due to the lower dosage to reduce the incidence of the side-effect of pruritus. Here we propose a combinatory therapeutic strategy of OCA and apoptosis inhibitor for combating against liver fibrosis. CCl4-injured mice, D-galactosamine/LPS(GalN/LPS)-treated mice and cycloheximide/TNFα(CHX/TNFα)-treated HepG2 cells were employed to assess the effects of OCA, or together with IDN-6556, an apoptosis inhibitor. OCA treatment significantly inhibited hepatic stellate cell(HSC)activation/proliferation and prevented fibrosis. Elevated bile acid(BA) levels and hepatocyte apoptosis triggered the activation and proliferation of HSCs. OCA treatment reduced BA levels but could not inhibit hepatocellular apoptosis. An enhanced anti-fibrotic effect was observed when OCA was co-administrated with IDN-6556. Our study demonstrated that OCA inhibits HSCs activation/proliferation partially by regulating BA homeostasis and thereby inhibiting activation of HSCs. The findings in this study suggest that combined use of apoptosis inhibitor and OCA at lower dosage represents a novel therapeutic strategy for liver fibrosis.Jiyu Zhou Ningning Huang Yitong Guo Shuang Cui Chaoliang Ge Qingxian He Xiaojie Pan Guangji Wang Hong Wang Haiping Hao 2019Acta Pharmaceutica Sinica B2019,9,3:13
9Genetic and biological characteristics of the globally circulating H5N8 avian influenza viruses and the protective efficacy offered by the poultry vaccine currently used in China显示文摘The H5N8 avian influenza viruses have been widely circulating in wild birds and are responsible for the loss of over 33 million domestic poultry in Europe, Russia, Middle East, and Asia since January 2020. To monitor the invasion and spread of the H5N8 virus in China, we performed active surveillance by analyzing 317 wild bird samples and swab samples collected from 41,172 poultry all over the country. We isolated 22 H5N8 viruses from wild birds and 14 H5N8 viruses from waterfowls. Genetic analysis indicated that the 36 viruses formed two different genotypes: one genotype viruses were widely detected from different wild birds and domestic waterfowls;the other genotype was isolated from a whopper swan. We further revealed the origin and spatiotemporal spread of these two distinct H5N8 virus genotypes in 2020 and 2021. Animal studies indicated that the H5N8 isolates are highly pathogenic to chickens, mildly pathogenic in ducks, but have distinct pathotypes in mice. Moreover, we found that vaccinated poultry in China could be completely protected against H5N8 virus challenge. Given that the H5N8 viruses are likely to continue to spread in wild birds, vaccination of poultry is highly recommended in high-risk countries to prevent H5N8 avian influenza.Pengfei Cui Xianying Zeng Xuyong Li Yanbing Li Jianzhong Shi Conghui Zhao Zhiyuan Qu Yanwen Wang Jing Guo Wenli Gu Qi Ma Yuancheng Zhang Weipeng Lin Minghui Li Jingman Tian Dongxue Wang Xin Xing Yanjing Liu Shuxin Pan Yaping Zhang Hongmei Bao Liling Liu Guobin Tian Chengjun Li Guohua Deng Hualan Chen 2022Science China(Life Sciences)2022,65,4:12
10A new approach based on PSO algorithm to find good computational encoding sequences显示文摘Computational encoding DNA sequence design is one of the most important steps in molecular computation. A lot of research work has been done to design reliable sequence library. A revised method based on the support system developed by Tanaka et al. is proposed here with different criteria to construct fitness function. Then we adapt particle swarm optimization (PSO) algorithm to our encoding problem. By using the new algorithm, a set of sequences with good quality is generated. The result also shows that our PSO-based approach could rapidly converge at the minimum level for an output of the simulation model. The celerity of the algorithm fits our requirements.Cui Guangzhao Niu Yunyun Wang Yanfeng Zhang Xuncai Pan Linqiang 2007Progress in Natural Science:Materials International2007,17,6:11
11The enhanced X-ray Timing and Polarimetry mission—eXTP显示文摘In this paper we present the enhanced X-ray Timing and Polarimetry mission—eXTP. eXTP is a space science mission designed to study fundamental physics under extreme conditions of density, gravity and magnetism. The mission aims at determining the equation of state of matter at supra-nuclear density, measuring effects of QED, and understanding the dynamics of matter in strong-field gravity. In addition to investigating fundamental physics, eXTP will be a very powerful observatory for astrophysics that will provide observations of unprecedented quality on a variety of galactic and extragalactic objects. In particular, its wide field monitoring capabilities will be highly instrumental to detect the electro-magnetic counterparts of gravitational wave sources.The paper provides a detailed description of:(1) the technological and technical aspects, and the expected performance of the instruments of the scientific payload;(2) the elements and functions of the mission, from the spacecraft to the ground segment.ShuangNan Zhang Andrea Santangelo Marco Feroci YuPeng Xu FangJun Lu Yong Chen Hua Feng Shu Zhang Sφren Brandt Margarita Hernanz Luca Baldini Enrico Bozzo Riccardo Campana Alessandra De Rosa YongWei Dong Yuri Evangelista Vladimir Karas Norbert Meidinger Aline Meuris Kirpal Nandra Teng Pan Giovanni Pareschi Piotr Orleanski QiuShi Huang Stephane Schanne Giorgia Sironi Daniele Spiga Jiri Svoboda Gianpiero Tagliaferri Christoph Tenzer Andrea Vacchi Silvia Zane Dave Walton ZhanShan Wang Berend Winter Xin Wu Jean J.M.in't Zand Mahdi Ahangarianabhari Giovanni Ambrosi Filippo Ambrosino Marco Barbera Stefano Basso Jörg Bayer Ronaldo Bellazzini Pierluigi Bellutti Bruna Bertucci Giuseppe Bertuccio Giacomo Borghi XueLei Cao Franck Cadoux Francesco Ceraudo TianXiang Chen Yu Peng Chen Jerome Chevenez Marta Civitani Wei Cui WeiWei Cui Thomas Dauser Ettore Del Monte Sergio Di Cosimo Sebastian Diebold Victor Doroshenko Michal Dovciak YuanYuan Du Lorenzo Ducci QingMei Fan Yannick Favre Fabio Fuschino JoséLuis Ga'lvez Min Gao MingYu Ge Olivier Gevin Marco Grassi QuanYing Gu YuDong Gu DaWei Han Bin Hong Wei Hu Long Ji ShuMei Jia WeiChun Jiang Thomas Kennedy Ingo Kreykenbohm Irfan Kuvvetli Claudio Labanti Luca Latronico Gang Li MaoShun Li Xian Li Wei Li ZhengWei Li Olivier Limousin HongWei Liu XiaoJing Liu Bo Lu Tao Luo Daniele Macera Piero Malcovati Adrian Martindale Malgorzata Michalska Bin Meng Massimo Minuti Alfredo Morbidini Fabio Muleri Stephane Paltani Emanuele Perinati Antonino Picciotto Claudio Piemonte JinLu Qu Alexandre Rachevski Irina Rashevskaya Jerome Rodriguez Thomas Schanz ZhengXiang Shen LiZhi Sheng JiangBo Song LiMing Song Carmelo Sgro Liang Sun Ying Tan Phil Uttley Bo Wang DianLong Wang GuoFeng Wang Juan Wang LangPing Wang YuSa Wang Anna L.Watts XiangYang Wen Jörn Wilms ShaoLin Xiong JiaWei Yang Sheng Yang YanJi Yang Nian Yu WenDa Zhang Gianluigi Zampa Nicola Zampa Andrzej A.Zdziarski AiMei Zhang ChengMo Zhang Fan Zhang Long Zhang Tong Zhang Yi Zhang XiaoLi Zhang ZiLiang Zhang BaoSheng Zhao ShiJie Zheng Yu Peng Zhou Nicola Zorzi J.Frans Zwart 2019Science China(Physics,Mechanics & Astronomy)2019,62,2:11
12Late Quaternary glacial chronology on the eastern slope of Gongga Mountain,eastern Tibetan Plateau,China显示文摘The Gongga Mountain is the largest area of modern glaciation in the Hengduan Mountains and,with a summit elevation of 7556 m,is the highest mountain on the eastern margin of the Tibetan Plateau.During the Quaternary glacial-interglacial cycles the Gongga Mountain was extensively and repeatedly glaciated,and glacial landforms and outwash deposits from multiple glaciations are well-preserved in valleys,in basins,and on piedmonts.To constrain the glacial chronology of the eastern slope of Gongga Mountain,sample sites were selected based on the distribution and weathering of glacial tills,relationships among glacial deposits,and soil development on moraines.Dating of the tills and glaciofluvial deposits was undertaken with electron spin resonance(ESR) and optically stimulated luminescence(OSL).The ages of the glacial deposits can be divided into four clusters:2.2±0.5,11.9±0.6,35.9±2.7-58.0±6.3 and 119.2±15.9-194.2±32.8 ka.Five glacial advances in this region have been identified,which are equivalent in age to the Little Ice Age(LIA),Neoglaciation,marine oxygen isotope stage(MIS) 2,mid-MIS3,and MIS6.The largest local last glacial maximum(LGML) occurred on Gongga Mountain during mid-MIS3,characterized by a cold-humid climate,rather than the global Last Glacial Maximum(LGMG) of MIS2.The Gongga,Nanmenguangou(NMGG) and Yajiageng Glaciations occurred during the late part of the last glacial cycle,the middle of the last glacial cycle and the penultimate glacial cycle,respectively.On the basis of geomorphological,sedimentological,and compositional characteristics,landforms of the Moxi Platform and terraces can be grouped by facies and geochronology.In combination with the dating results,this analysis indicates the basal part of the Moxi Platform between Xinxin and the Moxi Hotel is correlative with the till of the Nanguanmen Glaciation(mid-MIS3).This basal unit has occasional lenses of glaciofluvial sandy gravel and lacustrine sediments.The remainder of the Moxi Platform and the terraces beside the platform are glaciofluvial deposits occasionally mixed with debris flow deposits and range in age from MIS3 to Holocene.WANG Jie PAN BaoTian ZHANG GuoLiang CUI Hang CAO Bo GENG HaoPeng 2013Science China Earth Sciences2013,56,3:11
13Application of nanoindentation to investigate chemomechanical properties change of cement paste in the carbonation reaction显示文摘Nanoindentation technique was adopted to investigate the chemomechanical properties change of hardened cement paste before and after carbonation.It was found that the mean elastic modulus and mean hardness obviously increase after the carbonation reaction.Specifically,the probability of the elastic modulus showed a sharp reduction for the elastic modulus at the range of 7-34 and 83-160 GPa,in comparison of a large increase for the elastic modulus between 34-83 GPa.For the same reason,the probability of the hardness showed a large decrease when the hardness fell within 0.15-1.75 and 4.15-8.20 GPa and a dramatic increase for the hardness at the range of 1.75-4.15 GPa.In addition,low density C-S-H was affected by the carbonation degradation more seriously than high density C-S-H.The carbonation reaction led to distinct decrease of the number and size of unhydrated cement paste particles.HAN JianDe PAN GangHua SUN Wei WANG CaiHui CUI Dong 2012Science China(Technological Sciences)2012,55,3:10
14miR-188-5p regulates proliferation and invasion via PI3K/Akt/MMP-2/9 signaling in keloids显示文摘Keloids(KDs)and hypertrophic scars(HSs),two forms of pathological scars,seriously affect the physical and psychological health of patients.Despite many similarities with HSs,KDs are characterized by invasion and a high rate of recurrence after surgery,features they share in common with tumors.The underlying molecular mechanisms of this phenomenon have not been fully elucidated.In this study,we used microRNA(miRNA)array analysis to search for invasion-associated miRNAs in KDs.The expression of miR-188-5p in KDs,HSs,normal skin(NS)tissues,and cell lines was measured by quantitative real-time polymerase chain reaction.Furthermore,cell proliferation,migration,and invasion were detected in KD fibroblasts(KFs)and HS fibroblasts(HSFs),and interrelated proteins were ascertained by western blot analysis.It was found that miR-188-5p was significantly decreased in KD tissue compared with HS and NS tissues.Upregulated expression of miR-188-5p suppressed KF proliferation,migration,and invasion;and decreased expression of miR-188-5p also promoted HSF proliferation,migration,and invasion.The protein levels of MMP-2,MMP-9,PI3K,and p-Akt in miR-188-5p mimic-transfected KFs were repressed.In contrast,after transfection with miR-188-5p inhibitor,the protein levels of MMP-2,MMP-9,PI3K,and p-Akt were higher than the control in HSFs.Treatment with PI3K/Akt inhibitor LY294002 in KFs with miR-188-5p inhibitor did not further reduce their proliferation,migration,and invasion.The upregulation of MMP-2 and MMP-9 by miR-188-5p inhibitor could be abolished by LY294002.These findings together demonstrate a tumor-suppressive role of miR-188-5p in KD proliferation and invasion via PI3K/Akt/MMP-2/9 signaling,indicating that miR-188-5p may be a potential prognostic marker and therapeutic target for KDs.Wenyan Zhu Xiaoyan Wu Bo Yang Xiaodong Yao Xiaomei Cui Pan Xu Xiaodong Chen 2019Acta Biochimica et Biophysica Sinica2019,51,2:9
15A wideband combined transducer for measuring system in sound tube显示文摘为健全试管系统的一个宽带变换器被介绍,它联合纵的变换器和类 IV flextensional 变换器在低频率改进性能并且拓宽工作乐队。相等的电路被获得并且过去常分析在纵的变换器和 flextensional 变换器之间的联合机制。变换器的一个原型在由有限元素方法优化电声的表演以后被开发。在这个变换器刺激的健全试管的站的波浪被学习了,二件声学的材料样品的健全吸收系数用这个健全试管被测量,它证明变换器能满足声学的材料测量的要求,工作乐队从 1.4 kHz 到 23 kHz。PAN Yaozong MO Xiping LIU Yongping CUI Zheng ZHANG Tonggen 2012Chinese Journal of Acoustics2012,31,2:9
16Gold nanoprisms as a hybrid in vivo cancer theranostic platform for in situ photoacoustic imaging, angiography, and localized hyperthermia显示文摘高分辨率的 nanosized photoacoustic 对比代理人的发展是令人激动的还挑战性的工艺的进展。此处,抗体(胸联系癌症的抗原 1 (Brcaa1 ) monoclonal 抗体)- 并且肽(RGD )-functionalized 金牌 nanoprisms (AuNprs ) 被用作组合方法论为在使用的 situ photoacoustic 成像, angiography,和局部性的过高热, orthotopic 和下的鼠科的胃的癌当模特儿。结合 RGD 的 PEGylated AuNprs 为结合抗体的 PEGylated AuNprs 被用于指向的肿瘤 angiography,和 Brcaa1 monoclonal 并且为是可得到的在在 orthotopic 的胃的癌的 situ 成像,肿瘤当模特儿。在 situ photoacoustic 成像允许在肿瘤地点的解剖、功能的成像。在 vivo 肿瘤 angiography,成像以一种时间依赖者方式显示出 photoacoustic 信号的改进。而且, photoacoustic 成像证明肿瘤容器清楚地在局部性的过高热以后被损坏。这作为高度敏感的对比和治疗学的代理人是用二根 AuNprs 探针的第一 proof-of-concept 为在 situ 肿瘤察觉和抑制。这些聪明的抗体 / 肽 AuNprs 能被用作一个有效 nanotheranostic 平台为在局部性的过高热处理以后在有高敏感的 vivo 肿瘤察觉,以及为指向治疗,与单个剂量的注射,它导致肿瘤的肿瘤缩放减小和增加老鼠幸存。Chenchen Bao Joao Conde Fei Pan Chao Li Chunlei Zhang Furong Tian Shujing Liang Jesus M. de la Fuente Daxiang Cui 2016Nano Research2016,9,4:9
17Progress in ceramic materials and structure design toward advanced thermal barrier coatings显示文摘Thermal barrier coatings(TBCs)can effectively protect the alloy substrate of hot components in aeroengines or land-based gas turbines by the thermal insulation and corrosion/erosion resistance of the ceramic top coat.However,the continuous pursuit of a higher operating temperature leads to degradation,delamination,and premature failure of the top coat.Both new ceramic materials and new coating structures must be developed to meet the demand for future advanced TBC systems.In this paper,the latest progress of some new ceramic materials is first reviewed.Then,a comprehensive spalling mechanism of the ceramic top coat is summarized to understand the dependence of lifetime on various factors such as oxidation scale growth,ceramic sintering,erosion,and calcium–magnesium–aluminium–silicate(CMAS)molten salt corrosion.Finally,new structural design methods for high-performance TBCs are discussed from the perspectives of lamellar,columnar,and nanostructure inclusions.The latest developments of ceramic top coat will be presented in terms of material selection,structural design,and failure mechanism,and the comprehensive guidance will be provided for the development of next-generation advanced TBCs with higher temperature resistance,better thermal insulation,and longer lifetime.Zhi-Yuan WEI Guo-Hui MENG Lin CHEN Guang-Rong LI Mei-Jun LIU Wei-Xu ZHANG Li-Na ZHAO Qiang ZHANG Xiao-Dong ZHANG Chun-Lei WAN Zhi-Xue QU Lin CHEN Jing FENG Ling LIU Hui DONG Ze-Bin BAO Xiao-Feng ZHAO Xiao-Feng ZHANG Lei GUO Liang WANG Bo CHENG Wei-Wei ZHANG Peng-Yun XU Guan-Jun YANG Hong-Neng CAI Hong CUI You WANG Fu-Xing YE Zhuang MA Wei PAN Min LIU Ke-Song ZHOU Chang-Jiu LI 2022Journal of Advanced Ceramics2022,11,7:9
18Formaldehyde induces toxic effects and regulates the expression of damage response genes in BM-MSCs显示文摘在这研究,我们在老鼠骨头髓上估计了甲醛(FA ) 的有毒的效果间充质的干细胞(BM-MSCs ) 。Cytotoxicity 被使用 MTT 试金测量。DNA 海滨破裂被与朊酶 K (PK ) 修改的标准碱的彗星试金和彗星试金检测。DNAprotein 交叉连接(DPC ) 被 KCl-SDS 降水试金检测。我们发现在从 75 ~ 200 M 的集中的 FA 禁止了房间幸存并且在 125 M 上导致了 DPC。修改 PK 的彗星试金证明那导致 FA 的 DNA 海滨破裂从 75 ~ 200 M 以一种剂量依赖者方式被增加。在另一方面,标准碱的彗星试金证明那 DNA 海滨破裂在 125 M 上与 FA 集中被减少。我们由使用在 DPC 和幸存率之间有否定线性关联的皮尔森关联证实了(r = 0.987, P < 0.01 ) 并且在 DPC 和(i) 姐妹染色单体交换之间的积极线性关系并且(ii ) micronucleus (r = 0.995, P < 0.01;r = 0.968, P < 0.01 ) 。DNA 损坏 RT2 剖析程序聚合酶链反应数组被用来在损坏反应基因的表达式调查变化。相应再结合小径的核苷酸切除修理小径和 Brca2, Rad51,和 Xrcc2 的 Xpa 和 Xpc 都在 75 和 125 M FA 是起来调整的。然而,一样的基因与 175 M FA 是下面调整的。Chek1 和 Hus1 的表情,涉及房间周期规定,与 75, 125,和 175 M FA 以一样的方式被改变。这些结果显示 Xpa, Xpc, Brca2, Rad51, Xrcc2, Chek1,和 Hus1 是必要的让 BM-MSCs 抵抗 FA 的效果。Yali She Yi Li Yongqi Liu Guli Asai Shaobo Sun Jianxin He Zheng Pan Yan Cui 2013Acta Biochimica et Biophysica Sinica2013,45,12:8
19Cow manure and cow manure-derived biochar application as a soil amendment for reducing cadmium availability and accumulation by Brassica chinensis L. in acidic red soil显示文摘Organic amendment is a promising,in situ phytostabilization approach to alleviate the phytotoxic effects of heavy metal contaminated soils.The aim of this study was to evaluate the feasibility of cow manure(CM)and its derived biochar(CMB)as a soil amendment on cadmium(Cd)availability and accumulation in low and high Cd-accumulating cultivars of Brassica chinensis L.grown in an acidic red soil.CM and CMB were applied to Cd-contaminated acidic red soil at the rates of 0,3.0and 6.0%(w/w).Application of CMB was significantly more effective than that of CM,as it reduced the availability of Cd in soil by 34.3–69.9%and its bioaccumulation in the low Cd accumulator,Aijiaoheiye 333,by 51.2 and 67.4%,respectively.The addition of CMB significantly increased the extractability and accumulation of trace metals(Zn,Mn,Fe,and Cu)by plants and improved plant biomass production.CMB application,combined with utilizing low Cd accumulating cultivars represents a new,sustainable strategy to alleviate the toxic effects on Cd and improve food safety.Yasmin Khan Kiran Ali Barkat CUI Xiao-qiang FENG Ying PAN Feng-shan TANG Lin YANG Xiao-e 2017Journal of Integrative Agriculture2017,16,3:8
20GCH1 plays a role in the high-altitude adaptation of Tibetans显示文摘Tibetans are well adapted to high-altitude hypoxia. Previous genome-wide scans have reported many candidate genes for this adaptation, but only a few have been studied. Here we report on a hypoxia gene(GCH1, GTP-cyclohydrolase I), involved in maintaining nitric oxide synthetase(NOS) function and normal blood pressure, that harbors many potentially adaptive variants in Tibetans. We resequenced an 80.8 kb fragment covering the entire gene region of GCH1 in 50 unrelated Tibetans. Combined with previously published data, we demonstrated many GCH1 variants showing deep divergence between highlander Tibetans and lowlander Han Chinese. Neutrality tests confirmed a signal of positive Darwinian selection on GCH1 in Tibetans. Moreover, association analysis indicated that the Tibetan version of GCH1 was significantly associated with multiple physiological traits in Tibetans, including blood nitric oxide concentration, blood oxygen saturation, and hemoglobin concentration. Taken together, we propose that GCH1 plays a role in the genetic adaptation of Tibetans to high altitude hypoxia.Yong-Bo Guo Yao-Xi He Chao-Ying Cui Ouzhuluobu Baimakangzhuo Duojizhuoma Dejiquzong Bianba Yi Peng Cai-juan Bai Gonggalanzi Yong-Yue Pan Qula Kangmin Cirenyangji Baimayangji Wei Guo Yangla Hui Zhang Xiao-Ming Zhang Wang-Shan Zheng Shu-Hua Xu Hua Chen Sheng-Guo Zhao Yuan Cai Shi-Ming Liu Tian-Yi Wu Xue-Bin Qi Bing Su 2017Zoological Research2017,38,3:8
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