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| 1 | Analyses of circRNA profiling during the development from pre-receptive to receptive phases in the goat endometrium显示文摘Background: Recent studies have revealed that noncoding RNAs play important regulatory roles in the formation of endometrial receptivity.Circular RNAs(circRNAs) are a universally expressed noncoding RNA species that have been recently proposed to act as miRNA sponges that directly regulate expression of target genes or parental genes.Results: We used Illumina Solexa technology to analyze the expression profiles of circRNAs in the endometrium from three goats at gestational day 5(pre-receptive endometrium,PE) and three goats at gestational day 15(receptive endometrium,RE).Overall,21,813 circRNAs were identified,of which 5,925 circRNAs were specific to the RE and 9,078 were specific to the PE,which suggested high stage-specificity.Further analysis found 334 differentially expressed circRNAs in the RE compared with PE(P < 0.05).The analysis of the circRNA-miRNA interaction network further supported the idea that circRNAs act as miRNA sponges to regulate gene expression.Moreover,some circRNAs were regulated by estrogen(E2)/progesterone(P4) in endometrial epithelium cell lines(EECs) and endometrial stromal cell line(ESCs),and each circRNA molecule exhibited unique regulation characteristics with respect to E2 and P4.Conclusions: These data provide an endometrium circRNA expression atlas corresponding to the biology of the goat receptive endometrium during embryo implantation. | Yuxuan Song Lei Zhang Xiaorui Liu Mengxiao Niu Jiuzeng Cui Sicheng Che Yuexia Liu Xiaopeng An Binyun Cao | 2019 | Journal of Animal Science and Biotechnology2019，10，3： | 8 |
| 2 | Nitrogen-doped Co_(3)O_(4) nanowires enable high-efficiency electrochemical oxidation of 5-hydroxymethylfurfural显示文摘Developing highly efficient and cost-effective catalysts for electrochemically oxidizing biomass-derived 5-hydroxymethylfurfural(HMF)into value-added 2,5-furandicarboxylic acid(FDCA)is of great importance.Herein,we report a controllable nitrogen doping strategy to significantly improve the catalytic activity of Co_(3)O_(4)nanowires for highly selective electro-oxidation of HMF into FDCA.The nitrogen doping leads to the generation of defects including nitrogen dopants and oxygen vacancies in Co_(3)O_(4)nanowires,which is conducive to the formation of catalytically active sites.As a result,the electro-oxidation potential for HMF is only 1.38 V(vs.RHE)when the current density reaches 50 mA/cm^(2).More importantly,the conversion rate of HMF is as high as 99.5%,and the yield of FDCA is up to 96.4%. | Mengxiao Sun Yue Wang Chunsen Sun Yan Qi Jia Cheng Yumei Song Lixue Zhang | 2022 | Chinese Chemical Letters2022，33，1： | 2 |
| 3 | Structural basis for gating mechanism of Pannexin 1 channel显示文摘Dear Editor,Pannexin 1(PANX1)plays extensive physiological roles across diverse fields of biology,including cell death,1,2 inflammation,3 cancer progression,4 and neurological disorders.5 As suggested by biochemical analysis,PANX1 forms an oligomeric channel for the facilitated diffusion of ions and large molecules across the plasma membrane upon activation.6 However,the underlying molecular gating mechanism of PANX1 and the structure of human PANX1 are still elusive.In the current study,we report the cryo-EM structures of full-length and carboxyl-terminal(CT)tail-cleaved human PANX1.Combined with single-channel electrophysiological study,we identified the key residues involved in the gating of PANX1. | Luqiu Mou Meng Ke Mengxiao Song Yuanyue Shan Qingjie Xiao Qingting Liu Jialu Li Ke Sun Lei Pu Li Guo Jia Geng Jianping Wu Dong Deng | 2020 | Cell Research2020，30，5： | 2 |
| 4 | Direct Numerical Simulation of the Pulsed Arc Discharge in Supersonic Compression Ramp Flow显示文摘Direct numerical simulation(DNS)of shock wave/turbulent boundary layer interaction(SWTBLI)with pulsed arc discharge is carried out in this paper.The subject in the study is a Ma=2.9 compression flow over a 24-degree ramp.The numerical approaches were validated by the experimental results in the same flow conditions.The heat source model was added to the Navier-Stokes equation to serve as the energy deposition of the pulsed arc discharge.Four streamwise locations are selected to apply energy deposition.The effect of the pulsed arc discharge on the ramp-induced flow separation has been studied in depth.The DNS results demonstrate the incentive locations play a dominant role in suppressing the separated flow.Results show that pulsed heating is characterized by a thermal blockage,which leads to streamwise deflection.The incentive locations upstream the interaction zone of the base flow have a better control effect.The separation bubble shape shows as'spikes',and the downstream flow of the heated region is accelerated due to the momentum exchange between the upper boundary layer and the bottom boundary layer.The high-speed upper fluid is transferred to the bottom,and thus enhances its ability to resist the flow separation.More stripe vortex structures are also generated at the edge of the flat-plate.Furthermore,the turbulent kinetic disturbance energy is increased in the flow filed.The disturbances that originate from the pulsed heating are capable of increasing the turbulent intensity and then diminishing the trend of flow separation. | SONG Guoxing LI Jun TANG Mengxiao | 2020 | Journal of Thermal Science2020，29，6： | 2 |
| 5 | Dimethyl sulfoxide-aided copper(0)-catalyzed intramolecular decarbonylative rearrangement of N-aryl isatins leading to acridones显示文摘Described here is the first example of Cu(0)-catalyzed intramolecular decarbonylative rearrangements of readily available N-aryl isatins assisted by solvent dimethyl sulfoxide(DMSO)under air atmosphere and additive-free conditions leading to various biologically important acridones in good to excellent yields.This novel transformation is proposed to go through a sequential DMSO-aided Cu insertion into the amide C-N bond,CO extrusion,Cu migration,reductive elimination and DMSO-aided proton migration processes,involving multiple types of bond cleavage and formation in a single chemical step. | Hao Wu Nana Ma Mengxiao Song Guisheng Zhang | 2020 | Chinese Chemical Letters2020，31，6： | 0 |
| 6 | General synthesis of Pt and Ni co-doped porous carbon nanofibers to boost HER performance in both acidic and alkaline solutions显示文摘It is essential to develop efficient electrocatalysts to generate hydrogen from water electrolysis for hydrogen economy. In this work, platinum(Pt) and nickel(Ni) co-doped porous carbon nanofibers(Pt/NiPCNFs) with low Pt content were prepared via an electrospinning, carbonization and galvanic replacement reaction. Because of the high electrical conductivity, abundant electrochemical active sites and synergistic effect between Pt and Ni nanoparticles, the optimized Pt/Ni-PCNFs catalyst shows an excellent HER activity with overpotentials of 20 m V in 0.5 mol/L H_(2)SO_(4) and 46 m V in 1 mol/L KOH at a current density of10 m A/cm^(2). Furthermore, over 35-h long-term stability has been achieved without significant attenuation.This work provides a simple route to prepare highly efficient electrocatalysts for water splitting and has great prospects in the field of renewable energy. | Jiaqi Xu Mengxiao Zhong Na Song Ce Wang Xiaofeng Lu | 2023 | Chinese Chemical Letters2023，34，2： | 0 |
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