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5篇 您的检索式:作者名="Liujun Chen"
    题名 作者 年代 出处 被引量
1The long non-coding RNA expression profile of Coxsackievirus A16 infected RD cells identified by RNA-seq显示文摘Coxsackievirus A16(CVA16) is one of major pathogens of hand, foot and mouth disease(HFMD) in children. Long non-coding RNAs(Inc RNAs) have been implicated in various biological processes,but they have not been associated with CVA16 infection. In this study, we comprehensively characterized the landscape of Inc RNAs of normal and CVA16 infected rhabdomyosarcoma(RD)cells using RNA-Seq to investigate the functional relevance of Inc RNAs. We showed that a total of 760 Inc RNAs were upregulated and 1210 Inc RNAs were downregulated. Out of these dysregulated Inc RNAs, 43.64% were intergenic, 22.31% were sense, 15.89% were intronic, 8.67% were bidirectional, 5.59% were antisense, 3.85% were s RNA host Inc RNAs and 0.05% were enhancer. Six dysregulated Inc RNAs were validated by quantitative PCR assays and the secondary structures of these Inc RNAs were projected. Moreover, we conducted a bioinformatics analysis of an Inc RNAs(ENST00000602478) to elucidate the diversity of modification and functions of Inc RNAs. In summary, the current study compared the dysregulated Inc RNAs profile upon CVA16 challenge and illustrated the intricate relationship between coding and Inc RNAs transcripts. These results may not only provide a complete picture of transcription in CVA16 infected cells but also provide novel molecular targets for treatments of HFMD.Yingying Shi Huilin Tu Xiong Chen Yingying Zhang Liujun Chen Zhongchun Liu Jiqun Sheng Song Han Jun Yin Biwen Peng Xiaohua He Wanhong Liu 2016Virologica Sinica2016,31,2:4
2Lnc-RP5 Regulates the mi R-129-5p/Notch1/PFV Internal Promoter Axis to Promote the Expression of the Prototype Foamy Virus Transactivator Tas显示文摘Prototype foamy virus(PFV)is a unique retrovirus that infects animals and humans and does not cause clinical symptoms.Long noncoding RNAs(lncRNAs)are believed to exert multiple regulatory functions during viral infections.Previously,we utilized RNA sequencing(RNA-seq)to characterize and identify the lncRNA lnc-RP5-1086 D14.3.1-1:1(lnc-RP5),which is markedly decreased in PFV-infected cells.However,little is known about the function of lnc-RP5 during PFV infection.In this study,we identified lnc-RP5 as a regulator of the PFV transcriptional transactivator(Tas).Lnc-RP5 enhanced the activity of the PFV internal promoter(IP).The expression of PFV Tas was found to be promoted by lnc-RP5.Moreover,mi R-129-5 p was found to be involved in the lnc-RP5-mediated promotion of PFV IP activity,while the Notch1 protein suppressed the activity of PFV IP and the expression of Tas.Our results demonstrate that lnc-RP5 promotes the expression of PFV Tas through the miR-129-5 p/Notch1/PFV IP axis.This work provides evidence that host lnc RNAs can manipulate PFV replication by employing mi RNAs and proteins during an early viral infection.Shanshan Xu Liujun Chen Yinglian Tang Peipei Yuan Jun Yan Yingcheng Zheng Li Huang Zhi Li Yan Sun Song Han Jun Yin Qin Pan Biwen Peng Xiaohua He Wanhong Liu 2020Virologica Sinica2020,35,1:1
3Combination of steam-enhanced extraction and electrical resistance heating for efficient remediation of perchloroethylene-contaminated soil:Coupling merits and energy consumption显示文摘In situ thermal desorption(ISTD)technology effectively remediates soil contaminated by dense nonaqueous phase liquids(DNAPLs).However,more efforts are required to minimize the energy consumption of ISTD technology.This study developed a laboratory-scale experimental device to explore the coupling merits of two traditional desorption technologies:steam-enhanced extraction(SEE)and electrical resistance heating(ERH).The results showed that injecting high-density steam(>1 g/min)into loam or clay with relatively high moisture content(>13.3%)could fracture the soil matrix and lead to the occurrence of the preferential flow of steam.For ERH alone,the electrical resistance and soil moisture loss were critical factors influencing heating power.When ERH and SEE were combined,preheating soil by ERH could increase soil permeability,effectively alleviating the problem of preferential flow of SEE.Meanwhile,steam injection heated the soil and provided moisture for maintaining soil electrical conductivity,thereby ensuring power stability in the ERH process.Compared with ERH alone(8 V/cm)and SEE alone(1 g/min steam),the energy consumption of combined method in remediating perchloroethylene-contaminated soil was reduced by 39.3%and 52.9%,respectively.These findings indicate that the combined method is more favorable than ERH or SEE alone for remediating DNAPL-contaminated subsurfaces when considering ISTD technology.Rui Yue Zhikang Chen Liujun Liu Lipu Yin Yicheng Qiu Xianhui Wang Zhicheng Wang Xuhui Mao 2022Frontiers of Environmental Science & Engineering2022,16,11:1
4Burst Spike Trains Recognition Based on the Dynamic Properties of Hodgkin Huxley Neurons and Synapses 显示文摘Yan Liu Liujun Chen Jiawei Chen Jiaxin Cui Fukang Fang 2009Natural Computation (S 1567-7818)2009,1,8:1
5Most root-derived carbon inputs do not contribute to long-term global soil carbon storage显示文摘Plant root-derived carbon(C)inputs(I_(root))are the primary source of C in mineral bulk soil.However,a fraction of I_(root)may lose quickly(I_(loss),e.g.,via rhizosphere microbial respiration,leaching and fauna feeding)without contributing to long-term bulk soil C storage,yet this loss has never been quantified,particularly on a global scale.In this study we integrated three observational global data sets including soil radiocarbon content,allocation of photo synthetically assimilated C,and root biomass distribution in 2,034 soil profiles to quantify I_(root)and its contribution to the bulk soil C pool.We show that global average I_(root)in the 0-200 cm soil profile is 3.5 Mg ha^(-1)yr^(-1),~80%of which(i.e.,I_(loss))is lost rather than co ntributing to long-term bulk soil C storage.I_(root)decreases exponentially with soil depth,and the top 20 cm soil contains>60%of total I_(root).Actual C input contributing to long-term bulk soil storage(i.e.,I_(root)-I_(loss))shows a similar depth distribution to I_(root).We also map I_(loss)and its depth distribution across the globe.Our results demonstrate the global significance of direct C losses which limit the contribution of I_(root)to bulk soil C storage;and provide spatially explicit data to facilitate reliable soil C predictions via separating direct C losses from total root-derived C inputs.Guocheng WANG Liujun XIAO Ziqi LIN Qing ZHANG Xiaowei GUO Annette COWIE Shuai ZHANG Mingming WANG Songchao CHEN Ganlin ZHANG Zhou SHI Wenjuan SUN Zhongkui LUO 2023Science China Earth Sciences2023,66,5:0
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