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1A reversed CD4/CD8 ratio of tumor-infiltrating lymphocytes and a high percentage of CD4^(+)FOXP3^(+) regulatory T cells are significantly associated with clinical outcome in squamous cell carcinoma of the cervix显示文摘In this study,40 biopsy samples collected from cervical cancer patients at the First Affiliated Hospital of Xi’an Jiaotong University,China,were retrospectively assessed using immunohistochemistry for CD4^(+) and CD8^(+) tumor-infiltrating lymphocytes(TILs)and were analyzed for the expression of FOXP3,OX40,granzyme B(GrB)and perforin(Prf).The proliferating index of the TILs was determined by assessing Ki67 expression.We determined the prognostic value of low and high numbers of TILs on survival by performing Kaplan–Meier analysis using median values as the cut-off points.Except for the number of CD4^(+)FOXP3^(+) regulatory T cells(Tregs)and the CD4/CD8 ratio,none of the CD4^(+),CD8^(+),OX401,GrB^(+) or Prf^(+) TILs were associated with the overall 5-year survival rate.The 5-year survival rate was significantly lower in patients who had a high percentage of Tregs as compared with the those who had a lower percentage(35.3%versus 88.9%,P50.001),while the 5-year survival rate was significantly higher in patients with a high CD4/CD8 ratio as compared with patients who had a low CD4/CD8 ratio(82.4%versus 44.4%,P50.029).When we considered the deaths and surviving cases as separate groups,we found that both the number of CD4^(+) T cells and the CD4/CD8 ratio were significantly lower in patients who died as compared with those who survived(26.33±11.80 versus 47.79±38.18,P=0.023 and 0.60±0.25 versus 1.17±1.02,P=0.019,respectively).In conclusion,decreased proportions of tumor-infiltrating CD4^(+) T cells with high percentages of Tregs and reversed CD4/CD8 ratios were significantly associated with the clinical outcome of patients with cervical carcinoma.Walayat Shah Xiaofei Yan Li Jing Yi Zhou Hongwei Chen Yili Wang 2011Cellular & Molecular Immunology2011,8,1:24
2Consensus on the application of negative pressure wound therapy of diabetic foot wounds显示文摘Because China is becoming an aging society,the incidence of diabetes and diabetic foot have been increasing.Diabetic foot has become one of the main health-related killers due to its high disability and mortality rates.Negative pressure wound therapy(NPWT)is one of the most effective techniques for the treatment of diabetic foot wounds and great progress,both in terms of research and its clinical application,has been made in the last 20 years of its development.However,due to the complex pathogenesis and management of diabetic foot,irregular application of NPWT often leads to complications,such as infection,bleeding and necrosis,that seriously affect its treatment outcomes.In 2020,under the leadership of Burns,Trauma and Tissue Repair Committee of the Cross-Straits Medicine Exchange Association,the writing group for‘Consensus on the application of negative pressure wound therapy of diabetic foot wounds’was established with the participation of scholars from the specialized areas of burns,endocrinology,vascular surgery,orthopedics and wound repair.Drawing on evidence-based practice suggested by the latest clinical research,this consensus proposes the best clinical practice guidelines for the application and prognostic evaluation of NPWT for diabetic foot.The consensus aims to support the formation of standardized treatment schemes that clinicians can refer to when treating cases of diabetic foot.Shizhao Ji Xiaobin Liu Jie Huang Junmin Bao Zhaohong Chen Chunmao Han Daifeng Hao Jingsong Hong Dahai Hu Yufeng Jiang Shang Ju Hongye Li Zongyu Li Guangping Liang Yan Liu Gaoxing Luo Guozhong Lv Xingwu Ran Zhongmin Shi Juyu Tang Aiping Wang Guangyi Wang Jiangning Wang Xin Wang Bing Wen Jun Wu Hailin Xu Maojin Xu Xiaofei Ye Liangxi Yuan Yi Zhang Shichu Xiao Zhaofan Xia 2021Burns & Trauma2021,9,1:17
3Effects of calcined aluminum salts on the advanced dewatering and solidification/stabilization of sewage sludge显示文摘The high moisture content (80%) in the sewage dewatered sludge is the main obstacle to disposal and recycling. A chemical dewatering and stabilization/solidification (S/S) alternative for the sludge was developed, using calcined aluminum salts (AS) as solidifier, and CaCl 2 , Na 2 SO 4 and CaSO 4 as accelerators, to enhance the mechanical compressibility making the landfill operation possible. The properties of the resultant matrixes were determined in terms of moisture contents, unconfined compressive strength, products of hydration, and toxicity characteristics. The results showed that AS exhibited a moderate pozzolanic activity, and the mortar AS 0 obtained with 5% AS and 10% CaSO 4 of AS by weight presented a moisture contents below 50%–60% and a compressive strength of (51.32 ± 2.9) kPa after 5–7 days of curing time, meeting the minimum requirement for sanitary landfill. The use of CaSO 4 obviously improved the S/S performance, causing higher strength level. X-ray diffraction, scanning electron microscopy and thermogravimetry- differential scanning calorimetry investigations revealed that a large amount of hydrates (viz., gismondine and CaCO 3 ) were present in solidified sludge, leading to the depletion of evaporable water and the enhancement of the strength. In addition, the toxicity characteristic leaching procedure (TCLP) and horizontal vibration (HJ 557-2009) leaching test were conducted to evaluate their environmental compatibility. It was found that the solidified products conformed to the toxicity characteristic criteria in China and could be safely disposed of in a sanitary landfill.Guangyin Zhen Xiaofei Yan Haiyan Zhou Hua Chen Tiantao Zhao Youcai Zhao 2011Journal of Environmental Sciences2011,23,7:15
4Analysis of main controlling factors for hydrocarbon accumulation in central rift zones of the Hailar-Tamtsag Basin using a fault-caprock dual control mode显示文摘The Hailar-Tamtsag Basin is a typical rift basin where two sets of regional caprocks are developed,i.e.,mudstone caprocks(containing a small amount of tuff)developed in strong rifting stage and fault-depression stage,respectively.The caprocks have a cumulative thickness of 50-120 m in general,and a single-layer thickness of 20-50 m,interbedded with sandstone about 1-2 m thick.The large set of mudstone is distributed continuously,as pure mudstone caprock.Forty-three mudstone and tuff samples were taken to perform displacement pressure test with our independently developed displacement pressure tester.Test result shows that the displacement pressure is 0.04-10.00 MPa,which is equivalent to 0.09-20.01 MPa after being corrected to the actual burial depth.As the burial depth increases,the displacement pressure rises gradually,and is 1-10 times greater than that of oil-bearing sandstone or conglomerate reservoir at the same burial depth.The difference between displacement pressure of mudstone caprock and sandstone or conglomerate reservoir increases greatly if the burial depth exceeds 1000 m.Because of the displacement pressure difference between caprock and reservoir,the maximum height of hydrocarbon column sealed by the caprock ranges from 300 m to 2000 m,much higher than the height of the trap closure at the same burial depth.No hydrocarbons will leak through such caprocks.Analysis of the reservoir GOI,homogeneous temperature,and crude maturity of both deep and shallow reservoirs in Well Wu-20 in the Wuerxun Depression shows that Damoguaihe II Member reservoir is a secondary reservoir developed during adjustment of early reservoir.It is mainly distributed in inverted structures.Faulting is one of the main factors breaking the integrity of caprocks.Three kinds of faults are often related to the migration of hydrocarbons across regional caprocks:the first type refers to the positive inverted faults breaking the early sealing conditions and making the hydrocarbons accumulated in the early period re-migration;the second type refers to the faults with shear mudstone smear structures which lose their continuity and open vertically when the fault throws exceed 5 times of the mudstone thickness;the third type refers to the normal faults developed in the structural inversion stage,which have a typical cataclastic structure and are easy to cause vertical migration of hydrocarbons.Hydrocarbon enriched horizons of the rift basins are co-controlled by 'fault-caprock'.Specifically,95% of the geological reserve is controlled by regional caprocks,and only 5% is controlled by open faults,secondary oil/gas reservoirs are developed over regional caprocks.FU XiaoFei CHEN Zhe YAN BaiQuan YANG Mian SUN YongHe 2013Science China Earth Sciences2013,56,8:15
5IL-10-producing regulatory B cells restrain the T follicular helper cell response in primary Sjögren’s syndrome显示文摘Increased numbers of T follicular helper(Tfh)cells have been implicated in the development of autoimmune diseases including primary Sjögren’s syndrome(pSS),but how the Tfh cell response is regulated during autoimmune pathogenesis remains largely unclear.Here,we first found negative correlations between IL-10^(+)regulatory B(Breg)cell numbers and Tfh cell responses and disease activity in patients with pSS and mice with experimental Sjögren’s syndrome(ESS).Moreover,we detected high expression of IL-10 receptor on Tfh cells and their precursors in both humans and mice.In culture,IL-10 suppressed human and murine Tfh cell differentiation by promoting STAT5 phosphorylation.By using an adoptive transfer approach and two-photon live imaging,we found significantly increased numbers of Tfh cells with enhanced T cell homing into B cell follicles in the draining cervical lymph nodes of RAG-2−/−mice transferred with IL-10-deficient B cells during ESS development compared with those of RAG-2−/−mice transferred with wild-type B cells.In ESS mice,CD19^(+)CD1d^(hi)CD5^(+)Breg cells with decreased IL-10 production exhibited severely impaired suppressive effects on T cell proliferation.Consistently,CD19^(+)CD24^(+)CD38^(hi) Breg cells from pSS patients showed significantly reduced IL-10 production with defective inhibitory function in the suppression of autologous Tfh cell expansion.Furthermore,the adoptive transfer of IL-10-producing Breg cells markedly suppressed the Tfh cell response and ameliorated ESS progression in ESS mice.Together,these findings demonstrate a critical role for IL-10-producing Breg cells in restraining the effector Tfh cell response during pSS development.Xiang Lin Xiaohui Wang Fan Xiao Kongyang Ma Lixiong Liu Xiaoqi Wang Dong Xu Fei Wang Xiaofei Shi Dongzhou Liu Yan Zhao Liwei Lu 2019Cellular & Molecular Immunology2019,16,12:13
6Sequential fate-switches in stem-like cells drive the tumorigenic trajectory from human neural stem cells to malignant glioma显示文摘Glioblastoma(GBM)is an incurable and highly heterogeneous brain tumor,originating from human neural stem/progenitor cells(hNSCs/hNPCs)years ahead of diagnosis.Despite extensive efforts to characterize hNSCs and end-stage GBM at bulk and single-cell levels,the de novo gliomagenic path from hNSCs is largely unknown due to technical difficulties in early-stage sampling and preclinical modeling.Here,we established two highly penetrant hNSC-derived malignant glioma models,which resemble the histopathology and transcriptional heterogeneity of human GBM.Integrating time-series analyses of whole-exome sequencing,bulk and single-cell RNA-seq,we reconstructed gliomagenic trajectories,and identified a persistent NSC-like population at all stages of tumorigenesis.Through trajectory analyses and lineage tracing,we showed that tumor progression is primarily driven by multi-step transcriptional reprogramming and fate-switches in the NSC-like cells,which sequentially generate malignant heterogeneity and induce tumor phenotype transitions.We further uncovered stage-specific oncogenic cascades,and among the candidate genes we functionally validated C1QL1 as a new glioma-promoting factor.Importantly,the neurogenic-to-gliogenic switch in NSC-like cells marks an early stage characterized by a burst of oncogenic alterations,during which transient AP-1 inhibition is sufficient to inhibit gliomagenesis.Together,our results reveal previously undercharacterized molecular dynamics and fate choices driving de novo gliomagenesis from hNSCs,and provide a blueprint for potential early-stage treatment/diagnosis for GBM.Xiaofei Wang Ran Zhou Yanzhen Xiong Lingling Zhou Xiang Yan Manli Wang Fan Li Chuanxing Xie Yiming Zhang Zongyao Huang Chaoqiong Ding Kaidou Shi Weida Li Yu Liu Zhongwei Cao Zhen-Ning Zhang Shengtao Zhou Chong Chen Yan Zhang Lu Chen Yuan Wang 2021Cell Research2021,31,6:8
7Polybrominated diphenyl ethers in chicken tissues and eggs from an electronic waste recycling area in southeast China显示文摘The levels and distributions of polybrominated diphenyl ethers(PBDEs) in chicken tissues from an electronic waste(e-waste) recycling area in southeast China were investigated.Human dietary intake by local residents via chicken muscle and eggs was estimated.The mean PBDEs concentrations in tissues ranged from 15.2 to 3138.1 ng/g lipid weight(lw) and in egg the concentration was 563.5 ng/g lw.The results showed that the level of total PBDEs(ΣPBDEs) in the chicken tissue was 2-3 orders of magnitude higher than those reported in the literature.The large difference of ΣPBDEs concentrations between tissues confirmed that the distribution of PBDEs in tissues depend on tissue-specificity rather than the 'lipid-compartment'.BDE-209 was the predominant congener(82.5%-94.7% of ΣPBDEs) in all chicken tissues except in brain(34.7% of ΣPBDEs),which indicated that deca-BDE(the major commercial PBDE formulation comprising 65%-70% of total production) was major pollution source in this area and could be bioaccumulated in terrestrial animals.The dietary PBDEs intake of the local residents from chicken muscle and egg,assuming only local bred chickens and eggs were consumed,ranged from 2.2 to 22.5 ng/(day·kg body weight(bw)) with a mean value of 13.5 ng/(day·kg bw),which was one order of magnitude higher than the value reported in previous studies for consumption of all foodstuffs.Xiaofei Qin Zhanfen Qin Yan Li Yaxian Zhao Xijuan Xia Shishuai Yan Mi Tian Xingru Zhao Xiaobai Xu Yongjian Yang 2011Journal of Environmental Sciences2011,23,1:8
8Nicotine-induced upregulation of antioxidant protein Prx 1 in oral squamous cell carcinoma显示文摘Nicotine is a source of exogenous oxidative stress, which is associated with the pathogenesis of numerous diseases including oral squamous cell carcinoma (OSCC), whereas an antioxidant protein, peroxiredoxin 1 (Prx 1), plays an important role in the modulation of this condition. This study was to investigate the association between Prx 1 and tobacco-induced oxidative stress. The expression of Prx 1 and GST in OSCC Tca8113 cells, which were pre-treated with nicotine, was determined. In the present study, MTT assay, reactive oxygen species (ROS) assay, RT-PCR and Western blot analyses, respectively, were conducted to assess cell viability, ROS level, and expression level of Prx 1 and GST in nicotine-treated Tca8113 cells. Nuclear factor kappa B (NF- B) expression was detected by immuno-fluorescence. Our results showed the growth of Tca8113 cells was increased in a dose-dependent manner when cells were treated with nicotine at concentrations from 0.1 to 10 mol/L, but the proliferation of the cells decreased at 100 mol/L. ROS levels increased in all groups treated with nicotine at concentrations of 0.1, 1, 10, or 100 mol/L for 24h. Prx 1 and GST mRNA and protein expression were up-regulated in cells treated with nicotine for the same time at different concentrations or at the same concentration for different times (P<0.05). NF-B was translocated from cytoplasm to nucleus, the expression of NF- B was increased in nucleus. These results suggest that up-regulation of Prx1 expression appears to be associated with tobacco-induced oxidative stress, which may play an important role in the pathogenesis of OSCC.ZHAO YanHua ZHANG Min YAN Fei CASTO Bruce C TANG XiaoFei 2013Chinese Science Bulletin2013,58,16:7
9Corrigendum to“Research progress on electrical signals in higher plants”[Progress in Natural Science 19(2009) 531-541]显示文摘The authors would like to inform the readers that in the above mentioned paper,the word'Loosestrife'on p.533, the ninth line of the left-hand column should be replaced by'Desmodium motorium'.In addition,the cited refer-Xiaofei Yan Zhongyi Wang Lan Huang Cheng Wang Ruifeng Hou Zhilong Xu Xiaojun Qiao 2009Progress in Natural Science:Materials International2009,19,12:7
10Ecotoxicological effects of mixed pollutants resulted from e-wastes recycling and bioaccumulation of polybrominated diphenyl ethers in Chinese loach(Misgurnus anguillicaudatus)显示文摘To understand potential ecotoxicological effects of electrical and electronic equipment waste (e-waste) recycling and polybrominated diphenyl ethers (PBDEs) bioaccumulation in loaches, a semi-field experiment using Chinese loach (Misgurnus anguillicaudatus) as experimental fish was performed. Larval loaches were kept in net-cage for three months in an e-wastes recycling site and a reference site in Southeastern China. There was significant difference of the survival rate between the loaches from the e-wastes recycling site (27%, 19/70) and from reference site (70%, 49/70). Histopathological responses were also found in all the livers examined in loaches from the e-wastes recycling site. These results showed that mixed pollutants resulted from e-wastes recycling led to ecotoxicological effects on loaches. The bioaccumulation of polybrominated diphenyl ethers (PBDEs), the main pollutants in e-waste, in loaches was also studied, the mean concentration of total PBDEs in sediment was 6726.17 ng/g wet weight and in water samples was 4.08 ng/L (dissolved phase). BDE 209 was the dominant congener in sediment and with relatively high concentration in water. Relatively low concentration of BDE 209 (less than 0.01% of total PBDEs) and high concentration of BDE47 (up to 39.34% of total PBDEs) were detected in loaches.QIN Xiaofei XIA Xijuan LI Yan ZHAO Yaxian YANG Zhongzhi FU Shan TI-AN Mi ZHAO Xingru QIN Zhanfen XU Xiaobai YANG Yongjian 2009Journal of Environmental Sciences2009,21,12:6
11Catalytic conversion of lignocellulosic biomass into chemicals and fuels显示文摘In the search of alternative resources to make commodity chemicals and transportation fuels for a low carbon future,lignocellulosic biomass with over 180-billion-ton annual production rate has been identified as a promising feedstock.This review focuses on the state-of-the-art catalytic transformation of lignocellulosic biomass into value-added chemicals and fuels.Following a brief introduction on the structure,major resources and pretreatment methods of lignocellulosic biomass,the catalytic conversion of three main components,i.e.,cellulose,hemicellulose and lignin,into various compounds are comprehensively discussed.Either in separate steps or in one-pot,cellulose and hemicellulose are hydrolyzed into sugars and upgraded into oxygen-containing chemicals such as 5-HMF,furfural,polyols,and organic acids,or even nitrogen-containing chemicals such as amino acids.On the other hand,lignin is first depolymerized into phenols,catechols,guaiacols,aldehydes and ketones,and then further transformed into hydrocarbon fuels,bioplastic precursors and bioactive compounds.The review then introduces the transformations of whole biomass via catalytic gasification,catalytic pyrolysis,as well as emerging strategies.Finally,opportunities,challenges and prospective of woody biomass valorization are highlighted.Weiping Deng Yunchao Feng Jie Fu Haiwei Guo Yong Guo Buxing Han Zhicheng Jiang Lingzhao Kong Changzhi Li Haichao Liu Phuc T.T.Nguyen Puning Ren Feng Wang Shuai Wang Yanqin Wang Ye Wang Sie Shing Wong Kai Yan Ning Yan Xiaofei Yang Yuanbao Zhang Zhanrong Zhang Xianhai Zeng Hui Zhou 2023Green Energy & Environment2023,8,1:6
12Application of SVM in Feather and Down Category Recognition显示文摘Qisheng Yan Xiaofei Yan 2006通讯和计算机(中英文版)2006,3,1:5
13Activation of Na+/K+-ATPase attenuates high glucose-induced H9c2 cell apoptosis via suppressing ROS accumulation and MAPKs activities bv DRm217显示文摘多糖症在糖尿病是为心肌的 apoptosis 和机能障碍负责的主要因素之一。许多研究证明了在减少的 Na +/K+-ATPase 活动和糖尿病的心肌症之间有一种靠近的关系。然而,高导致葡萄糖的心肌的损害上的直接激活的 Na +/K+-ATPase 的效果仍然是未知的。这里,我们发现了那 DRm217, Na +/K+-ATPases 医生区域特定的 monoclonal 抗体和直接使活跃之物,能阻止高导致葡萄糖的 H9c2 细胞损害,反应的氧种(ROS ) 版本,和 mitochondrial 机能障碍。高葡萄糖处理减少了 Na +/K+-ATPase 活动和增加的细胞内部的 Ca 2+ 铺平,而 DRm217 增加了 Na +/K+-ATPase 活动和减轻的 Ca 2+ 超载。Ca 2+ 超载或关门的钠钙 exchanger (NCX 隧道) 的抑制能颠倒高导致葡萄糖的 ROS 增加和房间损害。另外, DRm217 能显著地稀释高导致葡萄糖的 p38, JNK 和 ERK1/2 phosphorylation,它涉及高导致葡萄糖的房间损害和 ROS 累积。我们的调查结果建议 DRm217 可以在心免于高葡萄糖的有害效果。由特定的 Na +/K+-ATPase 使活跃之物的高导致葡萄糖的心肌的房间损害的预防可以是一种吸引人的治疗学的选择。Xiaofei Yan Meng Xun Jing Li Litao Wu Xiaojuan Dou Jin Zheng 2016Acta Biochimica et Biophysica Sinica2016,48,10:5
14Deformation Mechanism and Vertical Sealing Capacity of Fault in the Mudstone Caprock显示文摘The petrophysical property of mudstone often transforms from ductile to brittle in the process of burial-uplift. The deformation mechanism of fault in brittle and ductile mudstone caprock is different, which leads to the formation of different types of fault zone structure. Different methods are required to evaluate the sealing mechanism of those fault zones. Based on the caprock deformation mechanism, fault sealing mechanism, quantitative evaluation method of vertical fault sealing capacity is put forward in this study. Clay smear is formed in the process of plastic deformation and its continuity controls the sealing capacity of fault. The outcrop and oil field data have confirmed that when sealing parameter SSF is less than 4–7, the clay smear becomes discontinuous and then oil and gas go through the caprock and migrate vertically. Quantities of fractures are formed in mudstone in the process of brittle deformation. The fracture density increases with the increase of the fault displacement. When the fractures are connected, oil and gas go through the caprock and migrate vertically. The connectivity of fault depends on the displacement and the thickness of caprock. On the basis of the above, a method is put forward to quantify the connectivity of fault with the juxtaposition thickness of caprock after faulting. The research on the juxtaposition thickness of caprock after faulting of the member II of Dongying Formation in Nanpu depression and the distribution of oil and gas indicates when the juxtaposition thickness of caprock is less than 96.2 m, the fault becomes leaking vertically. In the lifting stage, with the releasing and unloading of the stress, the caprock becomes brittle generally and then forms through going fault which will lead to a large quantity of oil and gas migrate vertically.Xiaofei Fu Lingyu Yan Lingdong Meng Xiaobo Liu 2019Journal of Earth Science2019,30,2:5
15Maize orthologs of rice GS5 and their transregulator are associated with kernel development显示文摘Genome information from model species such as rice can assist in the cloning of genes in a complex genome,such as maize.Here,we identified a maize ortholog of rice GS5 that contributes to kernel development in maize.The genomewide association analysis of the expression levels of ZmGS5,and 15 of its 26 paralogs,identified a trans-regulator on chromosome 7,which was a BAKi-like gene.This gene that we named as ZmBAK1-7 could regulate the expression of ZmGS5 and three of the paralogs.Candidate-gene association analyses revealed that these five genes were associated with maize kernel development-related traits.Linkage analyses also detected that ZmGSs and ZmBAK1-7 co-localized with mapped QTLs.A transgenic analysis of ZmGS5 in Arabidopsis thaliana L.showed a significant increase in seed weight and cell number,suggesting that ZmGS5 may have a conserved function among different plant species that affects seed development.Jie Liu Min Deng Huan Guo Sharif Raihan Jingyun Luo Yuancheng Xu Xiaofei Dong Jianbing Yan 2015Journal of Integrative Plant Biology2015,57,11:4
16MiR-205 inhibits the invasion and migration of esophageal squamous cell carcinoma by modulating SMAD1 expression显示文摘Esophageal squamous cell carcinoma(ESCC)is one of the most lethal cancers worldwide.In this study,we aimed to investigate the underlying mechanisms of metastasis inhibition by miR-205 in ESCC.In microRNA(miRNA)array and quantitative RT-PCR analyses,we found that the expression level of miR-205 was significantly lower in patients with lymph node metastasis compared with that in patients without lymph node metastasis.After transfection of miR-205 mimics or inhibitors into ESCC cell lines,a significant negative correlation was observed between the expression level of miR-205 and Smad1.In luciferase reporter assays,we revealed that miR-205 inhibited the expression of SMAD1 by targeting the 30untranslated region(30-UTR)of SMAD1 mRNA in ESCC cells.Furthermore,our results showed that miR-205 suppressed the invasion and migration of ESCC cells,whereas Smad1 increased their invasion and migration.Taken together,our study demonstrates that miR-205 functions as a suppressor of tumor metastasis by regulating SMAD1expression through targeting the 30-UTR of SMAD1 mRNAin ESCC.Therefore,miR-205 may be a potential therapeutic target for miRNA-based therapy of ESCC.Baoyu Liang Yan Wu Xu Han Xiaofei Zheng Qimin Zhan Tong Tong 2014Chinese Science Bulletin2014,59,19:4
17Genetic associations with adverse events from anti-tumor necrosis factor therapy in inflammatory bowel disease patients显示文摘AIM To study the type and frequency of adverse events associated with anti-tumor necrosis factor(TNF)therapy and evaluate for any serologic and genetic associations.METHODS This study was a retrospective review of patients attending the inflammatory bowel disease(IBD) centers at Cedars-Sinai IBD Center from 2005-2016. Adverse events were identified via chart review. IBD serologies were measured by ELISA. DNA samples were genotyped at Cedars-Sinai using Illumina Infinium Immunochipv1 array per manufacturer's protocol. SNPs underwent methodological review and were evaluated using several SNP statistic parameters to ensure optimal allele-calling. Standard and rigorous QC criteria were applied to the genetic data, which was generated using immunochip. Genetic association was assessed by logistic regression after correcting for population structure.RESULTS Altogether we identified 1258 IBD subjects exposed to anti-TNF agents in whom Immunochip data were available. 269/1258 patients(21%) were found to have adverse events to an anti-TNF-α agent that required the therapy to be discontinued. 25% of women compared to 17% of men experienced an adverse event. All adverse events resolved after discontinuing the antiTNF agent. In total: n = 66(5%) infusion reactions; n = 49(4%) allergic/serum sickness reactions; n = 19(1.5%) lupus-like reactions, n = 52(4%) rash, n = 18(1.4%) infections. In Crohn's disease, Ig A ASCA(P = 0.04) and Ig G-ASCA(P = 0.02) levels were also lower in patients with any adverse events, and anti-I2 level in ulcerative colitis was significantly associated with infusion reactions(P = 0.008). The logistic regression/human annotation and network analyses performed on the Immunochip data implicated the following five signaling pathways: JAK-STAT(Janus Kinase-signal transducer and activator of transcription), measles, IBD, cytokine-cytokine receptor interaction, and toxoplasmosis for any adverse event. CONCLUSION Our study shows 1 in 5 IBD patients experience an adverse event to anti-TNF therapy with novel serologic, genetic, and pathways associations.Daniel Lew Soon Man Yoon Xiaofei Yan Lori Robbins Talin Haritunians Zhenqiu Liu Dalin Li Dermot PB McGovern 2017World Journal of Gastroenterology2017,23,40:4
18Methane conversion into higher hydrocarbons with dielectric barrier discharge micro-plasma reactor显示文摘We reported a coaxial,micro-dielectric barrier discharge(micro-DBD)reactor and a conventional DBD reactor for the direct conversion of methane into higher hydrocarbons at atmospheric pressure.The effects of input power,residence time,discharge gap and external electrode length were investigated for methane conversion and product selectivity.We found the conversion of methane in a micro-DBD reactor was higher than that in a conventional DBD reactor.And at an input power of 25.0 W,the conversion of methane and the total C2+C3 selectivity reached 25.10% and 80.27%,respectively,with a micro-DBD reactor of 0.4 mm discharge gap.Finally,a nonlinear multiple regression model was used to study the correlations between both methane conversion and product selectivity and various system variables.The calculated data were obtained using SPSS 12.0 software.The regression analysis illustrated the correlations between system variables and both methane conversion and product selectivity.Baowei Wang Wenjuan Yan Wenjie Ge Xiaofei Duan 2013Journal of Energy Chemistry2013,22,6:3
19Speech Enhancement Using Multi-channel Post-Filtering with Modified Signal Presence Probability in Reverberant Environment显示文摘In this paper, a multi-channel post-filtering approach in reverberant environment based on detection and estimation scheme is presented. A modified Signal presence probability(SPP), which is in consideration of reverberation, is proposed with a novel estimator Direct-toreverberate ratio(DRR) to adapt to distant-talking scene.SPP is known a key estimator to instruct the updating of transient noise or residual directional interference and form gain function in the time-frequency domain, consequently a new desired signal detection scheme is proposed to improve its accuracy. Appropriate spectral enhancement technique is applied to the noisy speech signal taking advantage of the modified SPP estimator. The proposed multi-channel post-filtering is tested in different nonstationary noisy and reverberant environments. Experimental results show that it achieves considerable improvement on signal preservation of the desired speech with more noise reduction over the comparative algorithms.WANG Xiaofei GUO Yanmeng FU Qiang YAN Yonghong 2016Chinese Journal of Electronics2016,25,3:3
20Design and Optimization of a Full-Generation System for Marine LNG Cold Energy Cascade Utilization显示文摘This paper took a 100,000 DWT LNG fuel powered ship as the research object.Based on the idea of'temperature matching,cascade utilization'and combined with the application conditions of the ship,a horizontal three-level nested Rankine cycle full-generation system which combined the high-temperature waste heat of the main engine flue gas with the low-temperature cold energy of LNG was proposed in this paper.Furthermore,based on the analysis and selection of the parameters which had high sensitivity to the system performance,the parameters of the proposed system were optimized by using the genetic algorithm.After optimization,the exergy efficiency of the marine LNG gasification cold energy cascade utilization power generation system can reach 48.06%,and the thermal efficiency can reach 35.56%.In addition,this paper took LNG net power generation as the performance index,and compared it with the typical LNG cold energy utilization power generation system in this field.The results showed that the unit mass flow LNG power generation of the system proposed in this paper was the largest,reaching 457.41 k W.SUN Xiaofei YAO Shouguang XU Jinjin FENG Guozeng YAN Likun 2020Journal of Thermal Science2020,29,3:3
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